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<meta name="keywords" content="C1842170, central nuclei, centralised nuclei, centralised sarcomeric nuclei, centralized nuclei, centralized sarcomeric nuclei, centrally nucleated skeletal muscle fibers, centrally nucleated skeletal muscle fibres, finding, autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="An abnormality in which the nuclei of sarcomeres take on an abnormally central localization (or in which this feature is found in an increased proportion of muscle cells)." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
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||
UID=330782
|
||
ConceptID=C1842170
|
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-->
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<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Centrally nucleated skeletal muscle fibers</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>330782</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842170</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonym:</td>
|
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<td>Centralized nuclei</td></tr>
|
||
<tr><td colspan="2" class="small"> </td></tr><tr><td>HPO:</td>
|
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<td><a target="_blank" title="Human Phenotype Ontology" href="https://hpo.jax.org/app/browse/term/HP:0003687">HP:0003687</a></td></tr>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln">An abnormality in which the nuclei of sarcomeres take on an abnormally central localization (or in which this feature is found in an increased proportion of muscle cells). [from <a title="Human Phenotype Ontology" href="http://www.human-phenotype-ontology.org" class="defSource" target="_blank">HPO</a>]</div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Term_Hierarchy">Term Hierarchy</h1><a sid="118" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="portlet_content ln HierarchyGTR"><div class="jig-ncbitabs"><ul><li><a href="#tabGTR">GTR</a></li><li><a href="#tabMGEN">MeSH</a></li></ul><div id="tabGTR"><div class="search_result"><div class="rprts"><div class="chiclet_legend"><span class="chiclet_list" style="position:static;"><span title="Clinical test" class="chiclet Ccolor round">C</span><span>Clinical test, </span><span title="Research test" class="chiclet Rcolor round">R</span><span>Research test, </span><span title="OMIM" class="chiclet Ocolor ">O</span><span>OMIM, </span><span title="GeneReview" class="chiclet Gcolor">G</span><span><em>GeneReviews</em>, </span><span title="ClinVar" class="chiclet Vcolor">V</span><span>ClinVar </span></span></div><div id="hierarchy" class="margin_t1"><div class="ds_tree"><ul><li class="matched_ds"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1842170[DISCUI]&test_type=Clinical" ref="ncbi_uid=330782">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet unavailable" title="ClinVar">V</span></span><span class="TLline">Centrally nucleated skeletal muscle fibers</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/867443" ref="tree=MeSH" title="MedGen record for Phenotypic abnormality">Phenotypic abnormality</a></span><ul><li><span class="TLline"><a href="/medgen/1763488" ref="tree=MeSH" title="MedGen record for Abnormality of the musculoskeletal system">Abnormality of the musculoskeletal system</a></span><ul><li><span class="TLline"><a href="/medgen/867380" ref="tree=MeSH" title="MedGen record for Abnormality of the musculature">Abnormality of the musculature</a></span><ul><li><span class="TLline"><a href="/medgen/868776" ref="tree=MeSH" title="MedGen record for Abnormal skeletal muscle morphology">Abnormal skeletal muscle morphology</a></span><ul><li><span class="TLline"><a href="/medgen/867300" ref="tree=MeSH" title="MedGen record for Abnormal muscle fiber morphology">Abnormal muscle fiber morphology</a></span><ul><li><span class="matched_ds">Centrally nucleated skeletal muscle fibers</span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div></div></div>
|
||
</div>
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||
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||
<div class="portlet mgSection" id="ID_112">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Conditions_with_this_feature">Conditions with this feature</h1><a sid="112" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="portlet_content ln clinfeat">
|
||
<div class="divPopper rprt" id="rdis_6222"><div><strong>Marinesco-Sjögren syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>6222</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information."><span class="highlight" style="background-color:">C0024814</span></a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Marinesco-Sjögren syndrome (MSS) is characterized by cerebellar ataxia with cerebellar atrophy, dysarthria, nystagmus, early-onset (not necessarily congenital) cataracts, myopathy, muscle weakness, and hypotonia. Additional features may include psychomotor delay, hypergonadotropic hypogonadism, short stature, and various skeletal abnormalities. Children with MSS usually present with muscular hypotonia in early infancy; distal and proximal muscular weakness is noticed during the first decade of life. Later, cerebellar findings of truncal ataxia, dysdiadochokinesia, nystagmus, and dysarthria become apparent. Motor function worsens progressively for some years, then stabilizes at an unpredictable age and degree of severity. Cataracts can develop rapidly and typically require lens extraction in the first decade of life. Although many adults have severe disabilities, life span in MSS appears to be near normal.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/6222">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_78750"><div><strong>Sarcotubular myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>78750</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0270968</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A mild subtype of autosomal recessive limb girdle muscular dystrophy characterized by slowly progressive proximal muscle weakness and wasting of the pelvic and shoulder girdles with onset that usually occurs during the second or third decade of life. Clinical presentation is variable and can include calf psuedohypertrophy, joint contractures, scapular winging, muscle cramping and/or facial and respiratory muscle involvement.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/78750">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_98047"><div><strong>Eichsfeld type congenital muscular dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98047</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0410180</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Rigid spine muscular dystrophy (RSMD) is a form of congenital muscular dystrophy. Disorders in this group cause muscle weakness and wasting (atrophy) beginning very early in life. In particular, RSMD involves weakness of the muscles of the torso and neck (axial muscles). Other characteristic features include spine stiffness and serious breathing problems.\n\nIn RSMD, muscle weakness is often apparent at birth or within the first few months of life. Affected infants can have poor head control and weak muscle tone (hypotonia), which may delay the development of motor skills such as crawling or walking. Over time, muscles surrounding the spine atrophy, and the joints of the spine develop deformities called contractures that restrict movement. The neck and back become stiff and rigid, and affected children have limited ability to move their heads up and down or side to side. Affected children eventually develop an abnormal curvature of the spine (scoliosis). In some people with RSMD, muscles in the inner thighs also atrophy, although it does not impair the ability to walk.\n\nA characteristic feature of RSMD is breathing difficulty (respiratory insufficiency) due to restricted movement of the torso and weakness of the diaphragm, which is the muscle that separates the abdomen from the chest cavity. The breathing problems, which tend to occur only at night, can be life-threatening. Many affected individuals require a machine to help them breathe (mechanical ventilation) during sleep.\n\nThe combination of features characteristic of RSMD, particularly axial muscle weakness, spine rigidity, and respiratory insufficiency, is sometimes referred to as rigid spine syndrome. While these features occur on their own in RSMD, they can also occur along with additional signs and symptoms in other muscle disorders. The features of rigid spine syndrome typically appear at a younger age in people with RSMD than in those with other muscle disorders.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/98047">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_98049"><div><strong>Myopathy, centronuclear, 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98049</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0410204</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any centronuclear myopathy in which the cause of the disease is a mutation in the BIN1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/98049">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_108177"><div><strong>Congenital myopathy with fiber type disproportion</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>108177</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0546264</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital fiber-type disproportion is a condition that primarily affects skeletal muscles, which are muscles used for movement. People with this condition typically experience muscle weakness (myopathy), particularly in the muscles of the shoulders, upper arms, hips, and thighs. Weakness can also affect the muscles of the face and muscles that control eye movement (ophthalmoplegia), sometimes causing droopy eyelids (ptosis). Individuals with congenital fiber-type disproportion generally have a long face, a high arch in the roof of the mouth (high-arched palate), and crowded teeth.\n\nIndividuals with congenital fiber-type disproportion may have joint deformities (contractures) and an abnormally curved lower back (lordosis) or a spine that curves to the side (scoliosis). Approximately 30 percent of people with this disorder experience mild to severe breathing problems related to weakness of muscles needed for breathing. Some people who experience these breathing problems require use of a machine to help regulate their breathing at night (noninvasive mechanical ventilation), and occasionally during the day as well. About 30 percent of affected individuals have difficulty swallowing due to muscle weakness in the throat. Rarely, people with this condition have a weakened and enlarged heart muscle (dilated cardiomyopathy).\n\nThe severity of congenital fiber-type disproportion varies widely. It is estimated that up to 25 percent of affected individuals experience severe muscle weakness at birth and die in infancy or childhood. Others have only mild muscle weakness that becomes apparent in adulthood. Most often, the signs and symptoms of this condition appear by age 1. The first signs of this condition are usually decreased muscle tone (hypotonia) and muscle weakness. In most cases, muscle weakness does not worsen over time, and in some instances it may improve. Although motor skills such as standing and walking may be delayed, many affected children eventually learn to walk. These individuals often have less stamina than their peers, but they remain active. Rarely, people with this condition have a progressive decline in muscle strength over time. These individuals may lose the ability to walk and require wheelchair assistance.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/108177">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_331805"><div><strong>Bethlem myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>331805</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1834674</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Bethlem myopathy-1 (BTHLM1) is a congenital muscular dystrophy characterized by distal joint laxity and a combination of distal and proximal joint contractures. The age at onset is highly variable, ranging from infancy to adulthood. Disease progression is slow and ambulation is usually retained into adulthood (summary by Butterfield et al., 2013). Genetic Heterogeneity of Bethlem Myopathy See Bethlem myopathy-1B (BTHLM1B; 620725), caused by mutation in the COL6A2 gene (120240) on chromosome 21q22; Bethlem myopathy-1C (620726), caused by mutation the COL6A3 gene (120250) on chromosome 2q37; and Bethlem myopathy-2 (BTHLM2; 616471), caused by mutation in the COL12A1 gene (120320) on chromosome 6q13-q14.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/331805">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_324513"><div><strong>Congenital myopathy 23</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324513</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1836447</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Nemaline myopathy is divided into six types. In order of decreasing severity, the types are: severe congenital, Amish, intermediate congenital, typical congenital, childhood-onset, and adult-onset. The types are distinguished by the age when symptoms first appear and the severity of symptoms; however, there is overlap among the various types. The severe congenital type is the most life-threatening. Most individuals with this type do not survive past early childhood due to respiratory failure. The Amish type solely affects the Old Order Amish population of Pennsylvania and is typically fatal in early childhood. The most common type of nemaline myopathy is the typical congenital type, which is characterized by muscle weakness and feeding problems beginning in infancy. Most of these individuals do not have severe breathing problems and can walk unassisted. People with the childhood-onset type usually develop muscle weakness in adolescence. The adult-onset type is the mildest of all the various types. People with this type usually develop muscle weakness between ages 20 and 50.\n\nNemaline myopathy is a disorder that primarily affects skeletal muscles, which are muscles that the body uses for movement. People with nemaline myopathy have muscle weakness (myopathy) throughout the body, but it is typically most severe in the muscles of the face; neck; trunk; and other muscles close to the center of the body (proximal muscles), such as those of the upper arms and legs. This weakness can worsen over time. Affected individuals may have feeding and swallowing difficulties, foot deformities, abnormal curvature of the spine (scoliosis), and joint deformities (contractures). Most people with nemaline myopathy are able to walk, although some affected children may begin walking later than usual. As the condition progresses, some people may require wheelchair assistance. In severe cases, the muscles used for breathing are affected and life-threatening breathing difficulties can occur.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/324513">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_325364"><div><strong>Spinal muscular atrophy, type IV</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>325364</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838230</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Spinal muscular atrophy (SMA) is characterized by muscle weakness and atrophy resulting from progressive degeneration and irreversible loss of the anterior horn cells in the spinal cord (i.e., lower motor neurons) and the brain stem nuclei. The onset of weakness ranges from before birth to adulthood. The weakness is symmetric, proximal greater than distal, and progressive. Before the genetic basis of SMA was understood, it was classified into clinical subtypes based on maximum motor function achieved; however, it is now apparent that the phenotype of SMN1-associated SMA spans a continuum without clear delineation of subtypes. With supportive care only, poor weight gain with growth failure, restrictive lung disease, scoliosis, and joint contractures are common complications; however, newly available targeted treatment options are changing the natural history of the disease.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/325364">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_327082"><div><strong>King Denborough syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>327082</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1840365</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">King-Denborough syndrome (KDS) is an autosomal dominant disorder characterized by the triad of congenital myopathy, dysmorphic features, and susceptibility to malignant hyperthermia (summary by Dowling et al., 2011).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/327082">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_333983"><div><strong>Autosomal dominant limb-girdle muscular dystrophy type 1F</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>333983</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842062</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Autosomal dominant limb-girdle muscular dystrophy-2 (LGMDD2) is a myopathy characterized by proximal muscle weakness primarily affecting the lower limbs, but also affecting the upper limbs in most patients. Affected individuals also have distal muscle weakness of the hands and lower leg muscles. There is variability in presentation and progression. Some patients present in early childhood with mildly delayed walking and difficulty running and jumping, whereas others present as adults with mainly pelvic-girdle weakness. Patients with early onset tend to have a more severe disorder, and may develop contractures, loss of independent ambulation, and respiratory insufficiency. Muscle biopsy shows dystrophic changes with abnormal nuclei, rimmed vacuoles, and filamentous inclusions (summary by Melia et al., 2013). For a phenotypic description and a discussion of genetic heterogeneity of autosomal dominant limb-girdle muscular dystrophy, see LGMDD1 (603511).</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/333983">Condition Record</a></div></div>
|
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<div class="divPopper rprt" id="rdis_374868"><div><strong>Myosin storage myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>374868</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842160</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal dominant myosin storage congenital myopathy-7A (CMYO7A) is a skeletal muscle disorder with wide phenotypic variability. The age at symptom onset can range from early childhood to late adulthood. Affected individuals have proximal muscle weakness affecting the upper and lower limbs and distal muscle weakness of the lower limbs, resulting in gait difficulties and scapular winging (scapuloperoneal myopathy). Additional features may include thin habitus, high-arched palate, foot drop, pes cavus, calf pseudohypertrophy, and decreased reflexes. The severity is also variable: some patients develop respiratory insufficiency, joint contractures, and scoliosis in the first decades, whereas others are clinically unaffected, but show subtle signs of the disorder on examination. Serum creatine kinase may be normal or elevated. The disease is usually slowly progressive and most patients remain ambulatory. Skeletal muscle biopsy can show different abnormalities, including hyaline bodies, type 1 fiber predominance, congenital fiber-type disproportion (CFTD), and nonspecific myopathic changes with myofibrillar disarray. Intrafamilial variability is common (Dye et al., 2006; Pegoraro et al., 2007; review by Tajsharghi and Oldfors, 2013). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/374868">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_375302"><div><strong>Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>375302</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1843851</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">POLG-related disorders comprise a continuum of overlapping phenotypes that were clinically defined before the molecular basis was known. POLG-related disorders can therefore be considered an overlapping spectrum of disease presenting from early childhood to late adulthood. The age of onset broadly correlates with the clinical phenotype. In individuals with early-onset disease (prior to age 12 years), liver involvement, feeding difficulties, seizures, hypotonia, and muscle weakness are the most common clinical features. This group has the worst prognosis. In the juvenile/adult-onset form (age 12-40 years), disease is typically characterized by peripheral neuropathy, ataxia, seizures, stroke-like episodes, and, in individuals with longer survival, progressive external ophthalmoplegia (PEO). This group generally has a better prognosis than the early-onset group. Late-onset disease (after age 40 years) is characterized by ptosis and PEO, with additional features such as peripheral neuropathy, ataxia, and muscle weakness. This group overall has the best prognosis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/375302">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_335354"><div><strong>X-linked myotubular myopathy-abnormal genitalia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335354</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1846169</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare chromosomal anomaly, partial deletion of the long arm of chromosome X, with characteristics of a combination of clinical manifestations of X-linked myotubular myopathy and a 46,XY disorder of sex development. Patients present with a severe form of congenital myopathy and abnormal male genitalia.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/335354">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_340597"><div><strong>Congenital multicore myopathy with external ophthalmoplegia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340597</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1850674</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Congenital myopathy-1B (CMYO1B) is an autosomal recessive disorder of skeletal muscle characterized by severe hypotonia and generalized muscle weakness apparent soon after birth or in early childhood with delayed motor development, generalized muscle weakness and atrophy, and difficulty walking or running. Affected individuals show proximal muscle weakness with axial and shoulder girdle involvement, external ophthalmoplegia, and bulbar weakness, often resulting in feeding difficulties and respiratory insufficiency. Orthopedic complications such as joint laxity, distal contractures, hip dislocation, cleft palate, and scoliosis are commonly observed. Serum creatine kinase is normal. The phenotype is variable in severity (Jungbluth et al., 2005; Bharucha-Goebel et al., 2013). Some patients show symptoms in utero, including reduced fetal movements, polyhydramnios, and intrauterine growth restriction. The most severely affected patients present in utero with fetal akinesia, arthrogryposis, and lung hypoplasia resulting in fetal or perinatal death (McKie et al., 2014). Skeletal muscle biopsy of patients with recessive RYR1 mutations can show variable features, including multiminicores (Ferreiro and Fardeau, 2002), central cores (Jungbluth et al., 2002), congenital fiber-type disproportion (CFTD) (Monnier et al., 2009), and centronuclear myopathy (Wilmshurst et al., 2010). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/340597">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_340603"><div><strong>Myopathy, myosin storage, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340603</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1850709</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive myosin storage congenital myopathy-7B (CMYO7B) is a skeletal muscle disorder characterized by the onset of scapuloperoneal muscle weakness in early childhood or young adulthood. Affected individuals have difficulty walking, steppage gait, and scapular winging due to shoulder girdle involvement. The severity and progression of the disorder is highly variable, even within families. Most patients develop respiratory insufficiency, nocturnal hypoventilation, and restrictive lung disease; some develop hypertrophic cardiomyopathy. Additional features include myopathic facies, high-arched palate, scoliosis, and muscle wasting with thin body habitus. Serum creatine kinase may be normal or elevated. Skeletal muscle biopsy shows variable findings, including myosin storage disease, type 1 fiber predominance, centralized nuclei, and multiminicore disease (Onengut et al., 2004; Tajsharghi et al., 2007; Beecroft et al., 2019). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/340603">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_343979"><div><strong>Nemaline myopathy 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343979</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853154</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Nemaline myopathy-7 is an autosomal recessive congenital myopathy characterized by very early onset of hypotonia and delayed motor development. Affected individuals have difficulty walking and running due to proximal muscle weakness. The disorder is slowly progressive, and patients may lose independent ambulation. Muscle biopsy shows nemaline rods and may later show minicores, abnormal protein aggregates, and dystrophic changes (summary by Ockeloen et al., 2012). For a discussion of genetic heterogeneity of nemaline myopathy, see 161800.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343979">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355637"><div><strong>Vacuolar Neuromyopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355637</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1866139</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant myopathy with rimmed ubiquitin-positive autophagic vacuolation (MRUPAV) is characterized by adult onset of slowly progressive skeletal muscle weakness variably affecting the distal or proximal lower limbs. Some patients may also have upper limb involvement or neck muscle weakness, but respiratory and bulbar involvement only rarely occurs. EMG studies show a myopathic process, and myotonia may also be observed. Skeletal muscle biopsy shows myopathic features, rimmed vacuoles, and abnormal subsarcolemmal protein aggregation with activation of the autophagy pathway (Ruggieri et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355637">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_435983"><div><strong>Early-onset myopathy with fatal cardiomyopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>435983</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2673677</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Salih myopathy is characterized by muscle weakness (manifest during the neonatal period or in early infancy) and delayed motor development; children acquire independent walking between ages 20 months and four years. In the first decade of life, global motor performance is stable or tends to improve. Moderate joint and neck contractures and spinal rigidity may manifest in the first decade but become more obvious in the second decade. Scoliosis develops after age 11 years. Cardiac dysfunction manifests between ages five and 16 years, progresses rapidly, and leads to death between ages eight and 20 years, usually from heart rhythm disturbances.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/435983">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_412871"><div><strong>Congenital generalized lipodystrophy type 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>412871</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750069</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Berardinelli-Seip congenital lipodystrophy (BSCL) is usually diagnosed at birth or soon thereafter. Because of the absence of functional adipocytes, lipid is stored in other tissues, including muscle and liver. Affected individuals develop insulin resistance and approximately 25%-35% develop diabetes mellitus between ages 15 and 20 years. Hepatomegaly secondary to hepatic steatosis and skeletal muscle hypertrophy occur in all affected individuals. Hypertrophic cardiomyopathy is reported in 20%-25% of affected individuals and is a significant cause of morbidity from cardiac failure and early mortality.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/412871">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_414111"><div><strong>Emery-Dreifuss muscular dystrophy 5, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414111</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751805</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Any autosomal dominant Emery-Dreifuss muscular dystrophy in which the cause of the disease is a mutation in the SYNE2 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/414111">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_462136"><div><strong>Autosomal dominant limb-girdle muscular dystrophy type 1H</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462136</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150786</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Limb-girdle muscular dystrophy type 1H (LGMD1H) is an autosomal dominant disorder characterized by adult onset of progressive proximal muscle weakness affecting both the upper and lower limbs (Bisceglia et al., 2010). For a phenotypic description and a discussion of genetic heterogeneity of autosomal dominant limb-girdle muscular dystrophy, see LGMDD1 (603511).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462136">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482073"><div><strong>Distal myopathy, Tateyama type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482073</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280443</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">CAV3-related distal myopathy is one form of distal myopathy, a group of disorders characterized by weakness and loss of function affecting the muscles farthest from the center of the body (distal muscles), such as those of the hands and feet. People with CAV3-related distal myopathy experience wasting (atrophy) and weakness of the small muscles in the hands and feet that generally become noticeable in adulthood. A bump or other sudden impact on the muscles, especially those in the forearms, may cause them to exhibit repetitive tensing (percussion-induced rapid contraction). The rapid contractions can continue for up to 30 seconds and may be painful. Overgrowth (hypertrophy) of the calf muscles can also occur in CAV3-related distal myopathy. The muscles closer to the center of the body (proximal muscles) such as the thighs and upper arms are normal in this condition.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482073">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_811509"><div><strong>Myofibrillar myopathy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811509</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3714934</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Myofibrillar myopathy refers to a genetically heterogeneous group of muscular disorders characterized by a pathologic morphologic pattern of myofibrillar degradation and abnormal accumulation of proteins involved with the sarcomeric Z disc (summary by Foroud et al., 2005). For a general phenotypic description and a discussion of genetic heterogeneity of myofibrillar myopathy, see MFM1 (601419).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/811509">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_813851"><div><strong>Amyotrophic lateral sclerosis type 21</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>813851</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3807521</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Amyotrophic lateral sclerosis-21 (ALS21) is an autosomal dominant neurodegenerative disorder affecting upper and lower motor neurons, resulting in muscle weakness and respiratory failure. Some patients may develop myopathic features or dementia (summary by Johnson et al., 2014). For a discussion of genetic heterogeneity of amyotrophic lateral sclerosis, see ALS1 (105400).</div>
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||
<div class="spaceAbove nowrap">See: <a href="/medgen/813851">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_815798"><div><strong>Inclusion body myopathy with early-onset Paget disease with or without frontotemporal dementia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815798</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809468</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Inclusion body myopathy associated with Paget disease of bone (PDB) and/or frontotemporal dementia (IBMPFD) is characterized by adult-onset proximal and distal muscle weakness (clinically resembling a limb-girdle muscular dystrophy syndrome), early-onset PDB, and premature frontotemporal dementia (FTD). Muscle weakness progresses to involve other limb and respiratory muscles. PDB involves focal areas of increased bone turnover that typically lead to spine and/or hip pain and localized enlargement and deformity of the long bones; pathologic fractures occur on occasion. Early stages of FTD are characterized by dysnomia, dyscalculia, comprehension deficits, and paraphasic errors, with minimal impairment of episodic memory; later stages are characterized by inability to speak, auditory comprehension deficits for even one-step commands, alexia, and agraphia. Mean age at diagnosis for muscle disease and PDB is 42 years; for FTD, 56 years. Dilated cardiomyopathy, amyotrophic lateral sclerosis, and Parkinson disease are now known to be part of the spectrum of findings associated with IBMPFD.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/815798">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815799"><div><strong>Inclusion body myopathy with early-onset Paget disease with or without frontotemporal dementia 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815799</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809469</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Inclusion body myopathy associated with Paget disease of bone (PDB) and/or frontotemporal dementia (IBMPFD) is characterized by adult-onset proximal and distal muscle weakness (clinically resembling a limb-girdle muscular dystrophy syndrome), early-onset PDB, and premature frontotemporal dementia (FTD). Muscle weakness progresses to involve other limb and respiratory muscles. PDB involves focal areas of increased bone turnover that typically lead to spine and/or hip pain and localized enlargement and deformity of the long bones; pathologic fractures occur on occasion. Early stages of FTD are characterized by dysnomia, dyscalculia, comprehension deficits, and paraphasic errors, with minimal impairment of episodic memory; later stages are characterized by inability to speak, auditory comprehension deficits for even one-step commands, alexia, and agraphia. Mean age at diagnosis for muscle disease and PDB is 42 years; for FTD, 56 years. Dilated cardiomyopathy, amyotrophic lateral sclerosis, and Parkinson disease are now known to be part of the spectrum of findings associated with IBMPFD.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815799">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863251"><div><strong>Myopathy, centronuclear, 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863251</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014814</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
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<div class="spaceAbove">Centronuclear myopathy-5 (CNM5) is an autosomal recessive congenital myopathy characterized by severe neonatal hypotonia with respiratory insufficiency and difficulty feeding. Some patients die in infancy, and some develop dilated cardiomyopathy. Children show severely delayed motor development (summary by Agrawal et al., 2014). For a discussion of genetic heterogeneity of centronuclear myopathy, see CNM1 (160150).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863251">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_864034"><div><strong>Congenital myasthenic syndrome 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>864034</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015597</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital myasthenic syndrome-14 (CMS14) is an autosomal recessive neuromuscular disorder characterized by onset of limb-girdle muscle weakness in early childhood. The disorder is slowly progressive, and some patients may become wheelchair-bound. There is no respiratory or cardiac involvement. Treatment with anticholinesterase medication may be beneficial (summary by Cossins et al., 2013). For a discussion of genetic heterogeneity of CMS, see CMS1A (601462).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/864034">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_905125"><div><strong>Progressive scapulohumeroperoneal distal myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>905125</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225181</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Scapulohumeroperoneal myopathy is an autosomal dominant muscle disorder characterized by slowly progressive muscle weakness and atrophy affecting both proximal and distal muscles of the upper and lower limbs. Onset is usually in the first decade and can be as early as infancy, although some patients do not notice symptoms until young adulthood. There is marked variability in severity (summary by Zukosky et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/905125">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_903881"><div><strong>Lethal congenital contracture syndrome 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>903881</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225303</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Lethal congenital contracture syndrome-9 (LCCS9) is an autosomal recessive disorder characterized by multiple flexion and extension contractures resulting from reduced or absent fetal movement (Ravenscroft et al., 2015). For a general phenotypic description and discussion of genetic heterogeneity of lethal congenital contracture syndrome, see LCCS1 (253310).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/903881">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934612"><div><strong>Myofibrillar myopathy 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934612</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310645</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myofibrillar myopathy-8 (MFM8) is an autosomal recessive myopathy characterized by slowly progressive proximal muscle weakness and atrophy affecting the upper and lower limbs, resulting in increased falls, gait problems, difficulty running or climbing stairs, and upper limb weakness or scapular winging. Some patients develop distal muscle weakness and atrophy. The phenotype may also be consistent with a clinical diagnosis of limb-girdle muscular dystrophy (LGMD). Age at symptom onset ranges from infancy to adulthood. Ambulation is generally preserved and cardiac involvement is rare, but respiratory compromise with decreased forced vital capacity often occurs. Muscle biopsy shows a mix of myopathic features, including myofibrillar inclusions and sarcomeric disorganization; some patients have been reported to have dystrophic changes on muscle biopsy (O'Grady et al., 2016; Daimaguler et al., 2021). There is significant phenotypic variation, even in patients with the same mutation, which must be taken into account when counseling affecting individuals (Woods et al., 2020). For a general phenotypic description and a discussion of genetic heterogeneity of myofibrillar myopathy, see MFM1 (601419).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934612">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934703"><div><strong>Congenital muscular dystrophy-respiratory failure-skin abnormalities-joint hyperlaxity syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934703</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310736</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare congenital muscular dystrophy characterised by neonatal hypotonia, life-threatening respiratory failure and feeding difficulties, furthermore by delayed motor development, severe muscle weakness predominantly affecting axial muscles (leading to poor head control, rigid cervical spine, and severe scoliosis), generalised joint laxity with no or mild contractures, as well as dry skin with follicular hyperkeratosis. Serum creatine kinase is normal or slightly elevated. Muscle biopsy shows fibre size variability, rounded fibres with mild increase of endomysial connective tissue and adipose replacement, abundant minicore lesions, increase of centrally located nuclei, angular fibres and cap lesions.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934703">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1385152"><div><strong>Autosomal recessive limb-girdle muscular dystrophy type 2Y</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1385152</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4511482</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive myopathy with rigid spine and distal joint contractures (MRRSDC) is characterized by onset of slowly progressive muscle weakness in the first or second decades of life. There is initial involvement of the proximal lower limbs, followed by distal upper and lower limb muscle weakness and atrophy. Other features include joint contractures, rigid spine, and restricted pulmonary function; some patients may have mild cardiac involvement (summary by Kayman-Kurekci et al., 2014).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1385152">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1627492"><div><strong>Myopathy, centronuclear, 6, with fiber-type disproportion</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1627492</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4540345</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Centronuclear myopathy-6 with fiber-type disproportion (CNM6) is an autosomal recessive, slowly progressive congenital myopathy with onset in infancy or early childhood. Patients may be hypotonic at birth, but all show delayed motor development and walking difficulties due to muscle weakness mainly affecting the proximal lower and upper limbs. Other features include scapular winging, scoliosis, and mildly decreased respiratory vital capacity. The phenotype and muscle biopsy abnormalities are variable, although centralized nuclei and fiber-type disproportion appear to be a common finding on muscle biopsy (summary by Vasli et al., 2017). For a discussion of genetic heterogeneity of centronuclear myopathy, see CNM1 (160150).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1627492">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1645741"><div><strong>Autosomal dominant centronuclear myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1645741</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551952</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Centronuclear myopathy-1 (CNM1) is an autosomal dominant congenital myopathy characterized by slowly progressive muscular weakness and wasting. The disorder involves mainly limb girdle, trunk, and neck muscles but may also affect distal muscles. Weakness may be present during childhood or adolescence or may not become evident until the third decade of life, and some affected individuals become wheelchair-bound in their fifties. Ptosis and limitation of eye movements occur frequently. The most prominent histopathologic features include high frequency of centrally located nuclei in a large number of extrafusal muscle fibers (which is the basis of the name of the disorder), radial arrangement of sarcoplasmic strands around the central nuclei, and predominance and hypotrophy of type 1 fibers (summary by Bitoun et al., 2005). Genetic Heterogeneity of Centronuclear Myopathy Centronuclear myopathy is a genetically heterogeneous disorder. See also X-linked CNM (CNMX; 310400), caused by mutation in the MTM1 gene (300415) on chromosome Xq28; CNM2 (255200), caused by mutation in the BIN1 gene (601248) on chromosome 2q14; CNM4 (614807), caused by mutation in the CCDC78 gene (614666) on chromosome 16p13; CNM5 (615959), caused by mutation in the SPEG gene (615950) on chromosome 2q35; and CNM6 (617760), caused by mutation in the ZAK gene (609479) on chromosome 2q31. The mutation in the MYF6 gene that was reported to cause a form of CNM, formerly designated CNM3, has been reclassified as a variant of unknown significance; see 159991.0001. Some patients with mutation in the RYR1 gene (180901) have findings of centronuclear myopathy on skeletal muscle biopsy (see 255320).</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/1645741">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1631944"><div><strong>Fetal akinesia-cerebral and retinal hemorrhage syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1631944</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4706410</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Lethal congenital contracture syndrome-5 (LCCS5) is an autosomal recessive disorder characterized by decreased fetal movements, joint contractures, hypotonia, skeletal abnormalities with thin bones, and brain and retinal hemorrhages (Koutsopoulos et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of LCCS, see LCCS1 (253310).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1631944">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1642424"><div><strong>Congenital myopathy with internal nuclei and atypical cores</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1642424</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4707232</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Centronuclear myopathy is a condition characterized by muscle weakness (myopathy) and wasting (atrophy) in the skeletal muscles, which are the muscles used for movement. The severity of centronuclear myopathy varies among affected individuals, even among members of the same family.\n\nPeople with centronuclear myopathy begin experiencing muscle weakness at any time from birth to early adulthood. The muscle weakness slowly worsens over time and can lead to delayed development of motor skills, such as crawling or walking; muscle pain during exercise; and difficulty walking. Some affected individuals may need wheelchair assistance as the muscles atrophy and weakness becomes more severe. In rare instances, the muscle weakness improves over time.\n\nSome people with centronuclear myopathy experience mild to severe breathing problems related to the weakness of muscles needed for breathing. People with centronuclear myopathy may have droopy eyelids (ptosis) and weakness in other facial muscles, including the muscles that control eye movement. People with this condition may also have foot abnormalities, a high arch in the roof of the mouth (high-arched palate), and abnormal side-to-side curvature of the spine (scoliosis). Rarely, individuals with centronuclear myopathy have a weakened heart muscle (cardiomyopathy), disturbances in nerve function (neuropathy), or intellectual disability.\n\nA key feature of centronuclear myopathy is the displacement of the nucleus in muscle cells, which can be viewed under a microscope. Normally the nucleus is found at the edges of the rod-shaped muscle cells, but in people with centronuclear myopathy the nucleus is located in the center of these cells. How the change in location of the nucleus affects muscle cell function is unknown.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1642424">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648316"><div><strong>Muscular dystrophy, limb-girdle, autosomal dominant 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648316</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748295</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Calpainopathy is characterized by symmetric and progressive weakness of proximal limb-girdle muscles. Clinical findings of calpainopathy include the tendency to walk on tiptoe, difficulty in running, scapular winging, waddling gait, laxity of the abdominal muscles, Achilles tendon shortening, and scoliosis. Affected individuals typically do not have cardiac involvement or intellectual disability. Three autosomal recessive calpainopathy phenotypes have been identified based on the distribution of muscle weakness and age at onset: Pelvifemoral limb-girdle muscular dystrophy (LGMD) (Leyden-Möbius LGMD) phenotype, the most frequently observed calpainopathy phenotype, in which muscle weakness is first evident in the pelvic girdle and later in the shoulder girdle, with onset that may occur as early as before age 12 years or as late as after age 30 years. Scapulohumeral LGMD (Erb LGMD) phenotype, usually a milder phenotype with infrequent early onset, in which muscle weakness is first evident in the shoulder girdle and later in the pelvic girdle. HyperCKemia, usually observed in children or young individuals, in which individuals are asymptomatic and have high serum creatine kinase (CK) concentrations. The autosomal dominant form of calpainopathy is clinically variable, ranging from almost asymptomatic to wheelchair dependence after age 60 years in a few individuals; phenotype is generally milder than the recessive form.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/1648316">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_1680655"><div><strong>Arthrogryposis multiplex congenita 3, myogenic type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1680655</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193121</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myogenic-type arthrogryposis multiplex congenita-3 (AMC3) is an autosomal recessive disorder characterized by decreased fetal movements, hypotonia, variable skeletal defects, including clubfoot and scoliosis, and delayed motor milestones with difficulty walking (summary by Baumann et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1680655">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1717569"><div><strong>Myopathy, congenital proximal, with minicore lesions</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1717569</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5394193</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital myopathy-9B (CMYO9B) is an autosomal recessive early-onset skeletal muscle disorder mainly affecting proximal muscles. Affected individuals have neonatal hypotonia followed by mildly delayed walking in childhood. Muscle weakness is slowly progressive, resulting in positive Gowers sign and difficulty running or climbing, but most patients remain ambulatory. Some patients develop respiratory involvement requiring ventilatory support, whereas cardiac function is unaffected. Muscle biopsy shows type 1 fiber predominance with disorganized Z-lines and multiminicore myopathy (Estan et al., 2019). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1717569">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1755743"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with impaired intellectual development), type B, 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1755743</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436552</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Congenital muscular dystrophy-dystroglycanopathy with impaired intellectual development (MDDGB15) is characterized by elevated serum creatine kinase, developmental delay, epilepsy, impaired intellectual development, and brain abnormalities (Fu et al., 2019). For a discussion of genetic heterogeneity of congenital muscular dystrophy-dystroglycanopathy type B, see MDDGB1 (613155).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1755743">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1782465"><div><strong>Myofibrillar myopathy 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1782465</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543038</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Myofibrillar myopathy-11 (MFM11) is an autosomal recessive skeletal muscle disorder characterized by onset of slowly progressive proximal muscle weakness in the first decade of life. Some patients may present at birth with hypotonia and feeding difficulties, whereas others present later in mid-childhood. Although most patients show delayed walking at 2 to 3 years, all remain ambulatory into adulthood. More variable features may include decreased respiratory forced vital capacity, variable cardiac features, and calf hypertrophy. Skeletal muscle biopsy shows myopathic changes with variation in fiber size, type 1 fiber predominance, centralized nuclei, eccentrically placed core-like lesions, and distortion of the myofibrillary pattern with Z-line streaming and abnormal myofibrillar aggregates or inclusions (summary by Donkervoort et al., 2020). For a phenotypic description and a discussion of genetic heterogeneity of myofibrillar myopathy, see MFM1 (601419).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1782465">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_1794190"><div><strong>Muscular dystrophy, congenital hearing loss, and ovarian insufficiency syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794190</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561980</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Muscular dystrophy, congenital hearing loss, and ovarian insufficiency syndrome (MDHLO) is an autosomal recessive systemic disorder characterized by progressive muscle weakness, sensorineural hearing loss, and endocrine abnormalities, mainly primary amenorrhea due to ovarian insufficiency. Features of the disorder appear soon after birth, although endocrine anomalies are not noted until puberty. The severity of the phenotype is variable: some patients may lose ambulation and have significant respiratory insufficiency, whereas others retain the ability to walk (Foley et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794190">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1794213"><div><strong>Charcot-Marie-Tooth disease, axonal, Type 2HH</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794213</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562003</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Axonal Charcot-Marie-Tooth disease type 2HH (CMT2HH) is an autosomal dominant peripheral neuropathy characterized predominantly by onset of vocal cord weakness resulting in stridor in infancy or early childhood. The vocal cord paresis remains throughout life and may be severe enough to require tracheostomy. Additional features of the disorder usually include pes cavus and scoliosis. Some patients have mild distal muscle weakness and atrophy primarily affecting the lower limbs, although the upper limbs may also be involved, and distal sensory impairment, often with hyporeflexia (Sullivan et al., 2020). For a discussion of genetic heterogeneity of axonal CMT, see CMT2A1 (118210).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1794213">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1799561"><div><strong>Autosomal recessive limb-girdle muscular dystrophy type 2X</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1799561</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5568138</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal recessive limb-girdle muscular dystrophy-25 (LGMDR25) is characterized by slowly progressive onset of proximal lower limb weakness in adulthood. Affected individuals also develop cardiac arrhythmias resulting in syncopal episodes as young adults or later in life (summary by Schindler et al., 2016). For a discussion of genetic heterogeneity of autosomal recessive limb-girdle muscular dystrophy (LGMD), see LGMDR1 (253600).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1799561">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1808663"><div><strong>Myopathy, distal, 7, adult-onset, X-linked</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1808663</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676880</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">X-linked adult-onset distal myopathy-7 (MPD7) is an X-linked recessive disorder that affects only males. It is characterized by onset of distal muscle weakness predominantly affecting the lower limbs between 20 and 60 years of age. The disorder is slowly progressive, with most affected individuals developing distal upper limb involvement and some developing proximal muscle involvement, although patients remain ambulatory. Muscle biopsy shows variable myopathic changes as well as sarcoplasmic inclusions that may represent abnormally aggregated proteins (summary by Johari et al., 2021).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1808663">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1812978"><div><strong>Inclusion body myopathy and brain white matter abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1812978</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676909</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Inclusion body myopathy and brain white matter abnormalities (IBMWMA) is an autosomal dominant adult-onset disorder characterized predominantly by proximal limb girdle muscle weakness affecting the lower and upper limbs and resulting in gait difficulties and scapular winging. Additional features may include dysarthria, dysphagia, low back pain, and hyporeflexia. EMG is consistent with a myopathic process, although neuropathic findings have also been shown. Muscle biopsy shows fiber type variation, internal nuclei, rimmed vacuoles, and cytoplasmic protein aggregates or inclusions. Serum creatine kinase is usually elevated. Cognitive impairment or frontotemporal dementia occurs in some patients. The disorder is slowly progressive; some patients become wheelchair-bound after many years. Rare patients with this mutation develop ALS; some have both myopathy and ALS. Brain imaging shows white matter abnormalities using diffusion tensor imaging. The disorder is classified as multisystem proteinopathy-6 (MSP6) due to the characteristic disease mechanism of protein misfolding and abnormal tissue deposition (summary by Leoni et al., 2021).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1812978">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1824033"><div><strong>Myopathy with myalgia, increased serum creatine kinase, and with or without episodic rhabdomyolysis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824033</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774260</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Myopathy with myalgia, increased serum creatine kinase, and with or without episodic rhabdomyolysis-1 (MMCKR1) is an autosomal recessive skeletal muscle disorder characterized by the onset of muscle cramping and stiffness on exertion in infancy or early childhood, although later (even adult) onset has also been reported. The features remit with rest, but some individuals develop mild proximal or distal muscle weakness. Rare affected individuals may demonstrate cardiac involvement, including left ventricular dysfunction or rhythm abnormalities. Laboratory studies show increased baseline serum creatine kinase levels with episodic spikes that may coincide with rhabdomyolysis. EMG shows myopathic changes, and muscle biopsy shows nonspecific myopathic or degenerative features (Lopes Abath Neto et al., 2021; Salzer-Sheelo et al., 2022). Genetic Heterogeneity of Myopathy with Myalgia, Increased Serum Creatine Kinase, and with or without Episodic Rhabdomyolysis MMCKR2 (620971) is caused by mutation in the DTNA gene (601239) on chromosome 18q12.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1824033">Condition Record</a></div></div>
|
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<div class="divPopper rprt" id="rdis_1824080"><div><strong>Rhabdomyolysis, susceptibility to, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824080</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774307</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
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<div class="spaceAbove">Susceptibility to rhabdomyolysis-1 (RHABDO1) is an autosomal recessive disorder characterized by recurrent episodes of rhabdomyolysis beginning in the teenage years. Some of the episodes may be triggered by exercise or heat; others occur spontaneously. Severe cases may result in acute renal failure or compartment syndrome. Affected individuals tend to have myalgia or muscle weakness in childhood and between episodes. Laboratory studies show increased serum creatine kinase and nonspecific myopathic features on skeletal muscle biopsy (Cabrera-Serrano et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824080">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1840919"><div><strong>Congenital myopathy 18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1840919</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830283</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital myopathy-18 (CMYO18) is a disorder of the skeletal muscle characterized by the onset of symptoms of muscle weakness in early childhood, including in utero and infancy. There is clinical heterogeneity in the manifestations and severity, ranging from fetal akinesia sequence causing early death to onset of symptoms in adulthood. Most affected individuals show delayed motor development with generalized hypotonia and progressive axial and limb muscle weakness beginning soon after birth or in infancy. Additional features may include swallowing difficulties, external ophthalmoplegia, ptosis, high-arched palate, and respiratory insufficiency, which can lead to death in severe cases. Muscle biopsy shows variable morphologic abnormalities, including alveolar changes in the intermyofibrillar network, fiber size variability, focal disorganization, internal nuclei, and dilated sarcoplasmic reticulum and T-tubules. The disorder results from a defect in excitation-contraction coupling in skeletal muscle (Schartner et al., 2017; Ravenscroft et al., 2021; Mauri et al., 2021; Yis et al., 2019). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1840919">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1840998"><div><strong>Myopathy, sarcoplasmic body</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1840998</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830362</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Sarcoplasmic body myopathy (MYOSB), also known as myoglobinopathy, is an autosomal dominant disorder characterized by adult-onset muscle weakness affecting the proximal and distal muscles. Affected individuals usually present with proximal and axial muscle weakness leading to gait disturbances, although some present with hand muscle weakness and atrophy. The disorder is slowly progressive, and patients may lose ambulation after a long disease course. Some individuals develop respiratory or cardiac symptoms, often needing nocturnal ventilation. Other more variable features may include neck muscle weakness and dysphagia; facial muscle weakness is uncommon (Olive et al., 2019; Hama et al., 2022).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1840998">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1841029"><div><strong>Congenital myopathy 20</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841029</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830393</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital myopathy-20 (CMYO20) is an autosomal recessive neuromuscular disorder that shows wide phenotypic variability. Some patients present in early childhood with proximal muscle weakness affecting the lower and upper limbs resulting in difficulties running and climbing, whereas others present soon after birth with congenital limb or distal contractures. Additional features may include dysmorphic facial features and global developmental delay. Skeletal muscle biopsy may show nemaline rods (Nilipour et al., 2018; Pehlivan et al., 2019). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1841029">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1841089"><div><strong>Congenital myopathy 22A, classic</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841089</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830453</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Classic congenital myopathy-22A (CMYO22A) is an autosomal recessive muscle disorder characterized by onset of muscle weakness in utero or soon after birth. Early features may include fetal hypokinesia, breech presentation, and polyhydramnios. Affected individuals are born with severe hypotonia and require respiratory and feeding assistance. Those who survive the neonatal period show a 'classic' phenotype of congenital myopathy with delayed motor development, difficulty walking, proximal muscle weakness of the upper and lower limbs, facial and neck muscle weakness, easy fatigability, and mild limb contractures or foot deformities. Some have persistent respiratory insufficiency; dysmorphic facial features may be present (Zaharieva et al., 2016). For a discussion of genetic heterogeneity of congenital myopathy, see CMYO1A (117000).</div>
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||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841089">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1841154"><div><strong>Muscular dystrophy, limb-girdle, autosomal recessive 28</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841154</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830518</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal recessive limb-girdle muscular dystrophy-28 (LGMDR28) is characterized by progressive muscle weakness affecting the proximal and axial muscles of the upper and lower limbs. The age at onset is highly variable, usually in the first decade, although onset in the fourth decade has also been reported. The disorder can be rapidly progressive or show a slower course. Most patients have limited ambulation or become wheelchair-bound within a few decades, and respiratory insufficiency commonly occurs. Laboratory studies show increased serum creatine kinase and elevated fasting blood glucose levels, although cholesterol is normal. EMG shows a myopathic pattern; muscle biopsy is generally unremarkable, but can show nonspecific myopathic or dystrophic features (Yogev et al., 2023; Morales-Rosado et al., 2023). For a discussion of genetic heterogeneity of autosomal recessive limb-girdle muscular dystrophy, see LGMDR1 (253600).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1841154">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1841337"><div><strong>Central core myopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841337</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830701</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Congenital myopathy-1A (CMYO1A) with susceptibility to malignant hyperthermia is an autosomal dominant disorder of skeletal muscle characterized by muscle weakness primarily affecting the proximal muscles of the lower limbs beginning in infancy or early childhood, although later onset of symptoms has been reported. There is significant phenotypic variability, even within families, and the wide clinical diversity most likely depends on the severity of the RYR1 mutation. The disorder is static or slowly progressive; affected individuals typically show delayed motor development and usually achieve independent walking, although many have difficulty running or climbing stairs. Additional features often include mild facial weakness, joint laxity, shoulder girdle weakness, and skeletal manifestations, such as dislocation of the hips, foot deformities, scoliosis, and Achilles tendon contractures. Some patients present with orthopedic deformities. Serum creatine kinase is usually not elevated. Respiratory involvement is rare and there is no central nervous system or cardiac involvement. Patients with dominant mutations in the RYR1 gene are at risk for malignant hyperthermia and both disorders may segregate in the same family. Historically, patients with congenital myopathy due to RYR1 mutations were diagnosed based on the finding of pathologic central cores (central core disease; CCD) on muscle biopsy, which represent areas that lack oxidative enzymes and mitochondrial activity in type 1 muscle fibers. However, additional pathologic findings may also be observed, including cores and rods, central nuclei, fiber type disproportion, multiminicores, and uniform type 1 fibers. These histopathologic features are not always specific to RYR1 myopathy and often change over time (Quinlivan et al., 2003; Jungbluth et al., 2007; Klein et al., 2012; Ogasawara and Nishino, 2021). Some patients with RYR1 mutations have pathologic findings on muscle biopsy, but are clinically asymptomatic (Shuaib et al., 1987; Quane et al., 1993). Rare patients with a more severe phenotype have been found to carry a heterozygous mutation in the RYR1 gene inherited from an unaffected parent. However, in these cases, there is a possibility of recessive inheritance (CMYO1B; 255320) with either a missed second RYR1 mutation in trans or a genomic rearrangement on the other allele that is undetectable on routine genomic sequencing, since the RYR1 gene is very large and genetic analysis may be difficult (Klein et al., 2012). Genetic Heterogeneity of Congenital Myopathy See also CMYO1B (255320), caused by mutation in the RYR1 gene (180901) on chromosome 19q13; CMYO2A (161800), CMYO2B (620265), and CMYO2C (620278), caused by mutation in the ACTA1 gene (102610) on chromosome 1q42; CMYO3 (602771), caused by mutation in the SELENON gene (606210) on chromosome 1p36; CMYO4A (255310) and CMYO4B (609284), caused by mutation in the TPM3 gene (191030) on chromosome 1q21; CMYO5 (611705), caused by mutation in the TTN gene (188840) on chromosome 2q31; CMYO6 (605637), caused by mutation in the MYH2 gene (160740) on chromosome 17p13; CMYO7A (608358) and CMYO7B (255160), caused by mutation in the MYH7 gene (160760) on chromosome 14q11; CMYO8 (618654), caused by mutation in the ACTN2 gene (102573) on chromosome 1q43; CMYO9A (618822) and CMYO9B (618823), caused by mutation in the FXR1 gene (600819) on chromosome 3q28; CMYO10A (614399) and CMYO10B (620249), caused by mutation in the MEGF10 gene (612453) on chromosome 5q23; CMYO11 (619967), caused by mutation in the HACD1 gene (610467) on chromosome 10p12; CMYO12 (612540), caused by mutation in the CNTN1 gene (600016) on chromosome 12q12; CMYO13 (255995), caused by mutation in the STAC3 gene (615521) on chromosome 12q13; CMYO14 (618414), caused by mutation in the MYL1 gene (160780) on chromosome 2q34; CMYO15 (620161), caused by mutation in the TNNC2 gene (191039) on chromosome 20q13; CMYO16 (618524), caused by mutation in the MYBPC1 gene (160794) on chromosome 12q23; CMYO17 (618975), caused by mutation in the MYOD1 gene (159970) on chromosome 11p15; CMYO18 (620246), caused by mutation in the CACNA1S gene (114208) on chromosome 1q32; CMYO19 (618578), caused by mutation in the PAX7 gene (167410) on chromosome 1p36; CMYO20 (620310), caused by mutation in the RYR3 gene (180903) on chromosome 15q13; CMYO21 (620326), caused by mutation in the DNAJB4 gene (611327) on chromosome 1p31; CMYO22A (620351) and CMYO22B (620369), both caused by mutation in the SCN4A gene (603967) on chromosome 17q23; CMYO23 (609285), caused by mutation in the TPM2 gene (190990) on chromosome 9p13; and CMYO24 (617336), caused by mutation in the MYPN gene (608517) on chromosome 10q21.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1841337">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1847098"><div><strong>Progressive external ophthalmoplegia with mitochondrial dna deletions, autosomal recessive 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1847098</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882731</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal recessive progressive external ophthalmoplegia-6 (PEOB6) is characterized by ptosis and ophthalmoplegia as well as other clinical manifestations and multiple mtDNA deletions in muscle (Shintaku et al., 2022). For a discussion of genetic heterogeneity of autosomal recessive PEO, see PEOB1 (258450).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1847098">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1859128"><div><strong>Bethlem myopathy 1B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1859128</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5935580</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Collagen VI-related dystrophies (COL6-RDs) represent a continuum of overlapping clinical phenotypes with Bethlem muscular dystrophy at the milder end, Ullrich congenital muscular dystrophy (UCMD) at the more severe end, and a phenotype in between UCMD and Bethlem muscular dystrophy, referred to as intermediate COL6-RD. Bethlem muscular dystrophy is characterized by a combination of proximal muscle weakness and joint contractures. Hypotonia and delayed motor milestones occur in early childhood; mild hypotonia and weakness may be present congenitally. By adulthood, there is evidence of proximal weakness and contractures of the elbows, Achilles tendons, and long finger flexors. The progression of weakness is slow, and more than two thirds of affected individuals older than age 50 years remain independently ambulatory indoors, while relying on supportive means for mobility outdoors. Respiratory involvement is not a consistent feature. UCMD is characterized by congenital weakness, hypotonia, proximal joint contractures, and striking hyperlaxity of distal joints. Decreased fetal movements are frequently reported. Some affected children acquire the ability to walk independently; however, progression of the disease results in a loss of ambulation by age ten to eleven years. Early and severe respiratory insufficiency occurs in all individuals, resulting in the need for nocturnal noninvasive ventilation (NIV) in the form of bilevel positive airway pressure (BiPAP) by age 11 years. Intermediate COL6-RD is characterized by independent ambulation past age 11 years and respiratory insufficiency that is later in onset than in UCMD and results in the need for NIV in the form of BiPAP by the late teens to early 20s. In contrast to individuals with Bethlem muscular dystrophy, those with intermediate COL6-RD typically do not achieve the ability to run, jump, or climb stairs without use of a railing.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1859128">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_1859300"><div><strong>Ullrich congenital muscular dystrophy 1B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1859300</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5935582</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Collagen VI-related dystrophies (COL6-RDs) represent a continuum of overlapping clinical phenotypes with Bethlem muscular dystrophy at the milder end, Ullrich congenital muscular dystrophy (UCMD) at the more severe end, and a phenotype in between UCMD and Bethlem muscular dystrophy, referred to as intermediate COL6-RD. Bethlem muscular dystrophy is characterized by a combination of proximal muscle weakness and joint contractures. Hypotonia and delayed motor milestones occur in early childhood; mild hypotonia and weakness may be present congenitally. By adulthood, there is evidence of proximal weakness and contractures of the elbows, Achilles tendons, and long finger flexors. The progression of weakness is slow, and more than two thirds of affected individuals older than age 50 years remain independently ambulatory indoors, while relying on supportive means for mobility outdoors. Respiratory involvement is not a consistent feature. UCMD is characterized by congenital weakness, hypotonia, proximal joint contractures, and striking hyperlaxity of distal joints. Decreased fetal movements are frequently reported. Some affected children acquire the ability to walk independently; however, progression of the disease results in a loss of ambulation by age ten to eleven years. Early and severe respiratory insufficiency occurs in all individuals, resulting in the need for nocturnal noninvasive ventilation (NIV) in the form of bilevel positive airway pressure (BiPAP) by age 11 years. Intermediate COL6-RD is characterized by independent ambulation past age 11 years and respiratory insufficiency that is later in onset than in UCMD and results in the need for NIV in the form of BiPAP by the late teens to early 20s. In contrast to individuals with Bethlem muscular dystrophy, those with intermediate COL6-RD typically do not achieve the ability to run, jump, or climb stairs without use of a railing.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/1859300">Condition Record</a></div></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_813851" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Amyotrophic lateral sclerosis type 21</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1680655" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Arthrogryposis multiplex congenita 3, myogenic type</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1645741" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal dominant centronuclear myopathy</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_333983" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal dominant limb-girdle muscular dystrophy type 1F</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462136" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal dominant limb-girdle muscular dystrophy type 1H</a></div><div class="jig-moreless" data-jigconfig="class: 'moveDown', moreText: 'See full list (58)', lessText: 'Show less', nodeBefore: 0"><span id="clinMore">
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1799561" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive limb-girdle muscular dystrophy type 2X</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1385152" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive limb-girdle muscular dystrophy type 2Y</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_331805" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bethlem myopathy</a></div>
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||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1859128" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bethlem myopathy 1B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841337" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Central core myopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794213" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease, axonal, Type 2HH</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_412871" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital generalized lipodystrophy type 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_340597" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital multicore myopathy with external ophthalmoplegia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934703" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital muscular dystrophy-respiratory failure-skin abnormalities-joint hyperlaxity syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_864034" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myasthenic syndrome 14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1840919" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy 18</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841029" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy 20</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841089" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy 22A, classic</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324513" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy 23</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_108177" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy with fiber type disproportion</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1642424" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital myopathy with internal nuclei and atypical cores</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482073" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Distal myopathy, Tateyama type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_435983" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Early-onset myopathy with fatal cardiomyopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_98047" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Eichsfeld type congenital muscular dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414111" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Emery-Dreifuss muscular dystrophy 5, autosomal dominant</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1631944" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Fetal akinesia-cerebral and retinal hemorrhage syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1812978" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Inclusion body myopathy and brain white matter abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815798" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Inclusion body myopathy with early-onset Paget disease with or without frontotemporal dementia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815799" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Inclusion body myopathy with early-onset Paget disease with or without frontotemporal dementia 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_327082" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">King Denborough syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_903881" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lethal congenital contracture syndrome 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_6222" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Marinesco-Sjögren syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794190" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy, congenital hearing loss, and ovarian insufficiency syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648316" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy, limb-girdle, autosomal dominant 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841154" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy, limb-girdle, autosomal recessive 28</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1755743" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with impaired intellectual development), type B, 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1782465" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myofibrillar myopathy 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_811509" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myofibrillar myopathy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934612" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myofibrillar myopathy 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824033" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy with myalgia, increased serum creatine kinase, and with or without episodic rhabdomyolysis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_98049" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, centronuclear, 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863251" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, centronuclear, 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1627492" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, centronuclear, 6, with fiber-type disproportion</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1717569" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, congenital proximal, with minicore lesions</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1808663" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, distal, 7, adult-onset, X-linked</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_340603" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, myosin storage, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1840998" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathy, sarcoplasmic body</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_374868" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myosin storage myopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_343979" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nemaline myopathy 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1847098" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive external ophthalmoplegia with mitochondrial dna deletions, autosomal recessive 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_905125" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive scapulohumeroperoneal distal myopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824080" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Rhabdomyolysis, susceptibility to, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_78750" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sarcotubular myopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_375302" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_325364" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinal muscular atrophy, type IV</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1859300" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ullrich congenital muscular dystrophy 1B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355637" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Vacuolar Neuromyopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_335354" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked myotubular myopathy-abnormal genitalia syndrome</a></div></span></div></div>
|
||
</div>
|
||
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
|
||
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
|
||
<div class="portlet mgSection" id="ID_103">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/37705447">Short-term repeated human biopsy sampling contributes to changes in muscle morphology and higher outcome variability.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Long DE,
|
||
Mantuano AJ,
|
||
Confides AL,
|
||
Miller BF,
|
||
Kern PA,
|
||
Butterfield TA,
|
||
Dupont-Versteegden EE</span><br />
|
||
<span class="medgenPMjournal">J Appl Physiol (1985)</span>
|
||
2023 Dec 1;135(6):1403-1414.
|
||
Epub 2023 Sep 14
|
||
doi: 10.1152/japplphysiol.00441.2023.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37705447" target="_blank">37705447</a><a href="/pmc/articles/PMC10979834" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/37528588">Sustained oral spermidine supplementation rescues functional and structural defects in COL6-deficient myopathic mice.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Gambarotto L,
|
||
Metti S,
|
||
Corpetti M,
|
||
Baraldo M,
|
||
Sabatelli P,
|
||
Castagnaro S,
|
||
Cescon M,
|
||
Blaauw B,
|
||
Bonaldo P</span><br />
|
||
<span class="medgenPMjournal">Autophagy</span>
|
||
2023 Dec;19(12):3221-3229.
|
||
Epub 2023 Aug 1
|
||
doi: 10.1080/15548627.2023.2241125.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37528588" target="_blank">37528588</a><a href="/pmc/articles/PMC10621270" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/37106393">Immunomodulatory amnion-derived mesenchymal stromal cells preserve muscle function in a mouse model of Duchenne muscular dystrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Nitahara-Kasahara Y,
|
||
Nakayama S,
|
||
Kimura K,
|
||
Yamaguchi S,
|
||
Kakiuchi Y,
|
||
Nito C,
|
||
Hayashi M,
|
||
Nakaishi T,
|
||
Ueda Y,
|
||
Okada T</span><br />
|
||
<span class="medgenPMjournal">Stem Cell Res Ther</span>
|
||
2023 Apr 27;14(1):108.
|
||
doi: 10.1186/s13287-023-03337-0.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37106393" target="_blank">37106393</a><a href="/pmc/articles/PMC10142496" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/28480978">Lumbar multifidus muscle degenerates in individuals with chronic degenerative lumbar spine pathology.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Shahidi B,
|
||
Hubbard JC,
|
||
Gibbons MC,
|
||
Ruoss S,
|
||
Zlomislic V,
|
||
Allen RT,
|
||
Garfin SR,
|
||
Ward SR</span><br />
|
||
<span class="medgenPMjournal">J Orthop Res</span>
|
||
2017 Dec;35(12):2700-2706.
|
||
Epub 2017 May 23
|
||
doi: 10.1002/jor.23597.
|
||
<span class="bold">PMID: </span><a href="/pubmed/28480978" target="_blank">28480978</a><a href="/pmc/articles/PMC5677570" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/24668768">Respiratory assessment in centronuclear myopathies.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Smith BK,
|
||
Goddard M,
|
||
Childers MK</span><br />
|
||
<span class="medgenPMjournal">Muscle Nerve</span>
|
||
2014 Sep;50(3):315-26.
|
||
Epub 2014 Aug 5
|
||
doi: 10.1002/mus.24249.
|
||
<span class="bold">PMID: </span><a href="/pubmed/24668768" target="_blank">24668768</a><a href="/pmc/articles/PMC4140950" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Centrally%20nucleated%20skeletal%20muscle%20fibers%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (9)</a></div><h3 class="subhead">Diagnosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/24668768">Respiratory assessment in centronuclear myopathies.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Smith BK,
|
||
Goddard M,
|
||
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|
||
2014 Sep;50(3):315-26.
|
||
Epub 2014 Aug 5
|
||
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|
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<span class="bold">PMID: </span><a href="/pubmed/24668768" target="_blank">24668768</a><a href="/pmc/articles/PMC4140950" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/21630234">Muscle pathology in myotonic dystrophy: light and electron microscopic investigation in eighteen patients.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Nadaj-Pakleza A,
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Lusakowska A,
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Sułek-Piątkowska A,
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||
2011 May;70(2):121-9.
|
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<span class="bold">PMID: </span><a href="/pubmed/21630234" target="_blank">21630234</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/18816606">Preferential central nucleation of type 2 myofibers is an invariable feature of myotonic dystrophy type 2.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pisani V,
|
||
Panico MB,
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||
Terracciano C,
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Bonifazi E,
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Meola G,
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Novelli G,
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Bernardi G,
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Angelini C,
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||
2008 Nov;38(5):1405-1411.
|
||
doi: 10.1002/mus.21122.
|
||
<span class="bold">PMID: </span><a href="/pubmed/18816606" target="_blank">18816606</a></div>
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|
||
<div class="nl"><a target="_blank" href="/pubmed/12629053">Skeletal muscle repair by adult human mesenchymal stem cells from synovial membrane.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">De Bari C,
|
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Dell'Accio F,
|
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Vandenabeele F,
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||
Vermeesch JR,
|
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Raymackers JM,
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<span class="medgenPMjournal">J Cell Biol</span>
|
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2003 Mar 17;160(6):909-18.
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Epub 2003 Mar 10
|
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<span class="bold">PMID: </span><a href="/pubmed/12629053" target="_blank">12629053</a><a href="/pmc/articles/PMC2173757" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/12609501">Pathological analysis of muscle hypertrophy and degeneration in muscular dystrophy in gamma-sarcoglycan-deficient mice.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Sasaoka T,
|
||
Imamura M,
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Araishi K,
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Noguchi S,
|
||
Mizuno Y,
|
||
Takagoshi N,
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Hama H,
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Wakabayashi-Takai E,
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Yoshimoto-Matsuda Y,
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Nonaka I,
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Kaneko K,
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||
Yoshida M,
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<span class="medgenPMjournal">Neuromuscul Disord</span>
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2003 Mar;13(3):193-206.
|
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doi: 10.1016/s0960-8966(02)00220-1.
|
||
<span class="bold">PMID: </span><a href="/pubmed/12609501" target="_blank">12609501</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Centrally%20nucleated%20skeletal%20muscle%20fibers%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (11)</a></div><h3 class="subhead">Therapy</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/21829175">AAV6-mediated systemic shRNA delivery reverses disease in a mouse model of facioscapulohumeral muscular dystrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Bortolanza S,
|
||
Nonis A,
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||
Sanvito F,
|
||
Maciotta S,
|
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Sitia G,
|
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Wei J,
|
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Torrente Y,
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Di Serio C,
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<span class="medgenPMjournal">Mol Ther</span>
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2011 Nov;19(11):2055-64.
|
||
Epub 2011 Aug 9
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<span class="bold">PMID: </span><a href="/pubmed/21829175" target="_blank">21829175</a><a href="/pmc/articles/PMC3222524" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/17251023">Diagnosis of myotubular myopathy in the oldest known manifesting female carrier: a clinical and genetic study.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pénisson-Besnier I,
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||
Biancalana V,
|
||
Reynier P,
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||
Cossée M,
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Dubas F</span><br />
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<span class="medgenPMjournal">Neuromuscul Disord</span>
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2007 Feb;17(2):180-5.
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Epub 2007 Jan 23
|
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doi: 10.1016/j.nmd.2006.10.008.
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||
<span class="bold">PMID: </span><a href="/pubmed/17251023" target="_blank">17251023</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Centrally%20nucleated%20skeletal%20muscle%20fibers%22%20AND%20Therapy%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (2)</a></div><h3 class="subhead">Prognosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/21325027">Quadriceps myopathy caused by skeletal muscle-specific ablation of β(cyto)-actin.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Prins KW,
|
||
Call JA,
|
||
Lowe DA,
|
||
Ervasti JM</span><br />
|
||
<span class="medgenPMjournal">J Cell Sci</span>
|
||
2011 Mar 15;124(Pt 6):951-7.
|
||
Epub 2011 Feb 15
|
||
doi: 10.1242/jcs.079848.
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<span class="bold">PMID: </span><a href="/pubmed/21325027" target="_blank">21325027</a><a href="/pmc/articles/PMC3048892" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/18816606">Preferential central nucleation of type 2 myofibers is an invariable feature of myotonic dystrophy type 2.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pisani V,
|
||
Panico MB,
|
||
Terracciano C,
|
||
Bonifazi E,
|
||
Meola G,
|
||
Novelli G,
|
||
Bernardi G,
|
||
Angelini C,
|
||
Massa R</span><br />
|
||
<span class="medgenPMjournal">Muscle Nerve</span>
|
||
2008 Nov;38(5):1405-1411.
|
||
doi: 10.1002/mus.21122.
|
||
<span class="bold">PMID: </span><a href="/pubmed/18816606" target="_blank">18816606</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/18379436">Type 2 myotonic dystrophy can be predicted by the combination of type 2 muscle fiber central nucleation and scattered atrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Bassez G,
|
||
Chapoy E,
|
||
Bastuji-Garin S,
|
||
Radvanyi-Hoffman H,
|
||
Authier FJ,
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||
Pellissier JF,
|
||
Eymard B,
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Gherardi RK</span><br />
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<span class="medgenPMjournal">J Neuropathol Exp Neurol</span>
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2008 Apr;67(4):319-25.
|
||
doi: 10.1097/NEN.0b013e31816b4acc.
|
||
<span class="bold">PMID: </span><a href="/pubmed/18379436" target="_blank">18379436</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Centrally%20nucleated%20skeletal%20muscle%20fibers%22%20AND%20Prognosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (3)</a></div><h3 class="subhead">Clinical prediction guides</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/37106393">Immunomodulatory amnion-derived mesenchymal stromal cells preserve muscle function in a mouse model of Duchenne muscular dystrophy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Nitahara-Kasahara Y,
|
||
Nakayama S,
|
||
Kimura K,
|
||
Yamaguchi S,
|
||
Kakiuchi Y,
|
||
Nito C,
|
||
Hayashi M,
|
||
Nakaishi T,
|
||
Ueda Y,
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||
Okada T</span><br />
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<span class="medgenPMjournal">Stem Cell Res Ther</span>
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2023 Apr 27;14(1):108.
|
||
doi: 10.1186/s13287-023-03337-0.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37106393" target="_blank">37106393</a><a href="/pmc/articles/PMC10142496" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/36125902">A mitofusin 2/HIF1α axis sets a maturation checkpoint in regenerating skeletal muscle.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wang X,
|
||
Jia Y,
|
||
Zhao J,
|
||
Lesner NP,
|
||
Menezes CJ,
|
||
Shelton SD,
|
||
Venigalla SSK,
|
||
Xu J,
|
||
Cai C,
|
||
Mishra P</span><br />
|
||
<span class="medgenPMjournal">J Clin Invest</span>
|
||
2022 Dec 1;132(23)
|
||
doi: 10.1172/JCI161638.
|
||
<span class="bold">PMID: </span><a href="/pubmed/36125902" target="_blank">36125902</a><a href="/pmc/articles/PMC9711883" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/31429798">Training program-induced skeletal muscle adaptations in two men with myotonic dystrophy type 1.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Roussel MP,
|
||
Morin M,
|
||
Girardin M,
|
||
Fortin AM,
|
||
Leone M,
|
||
Mathieu J,
|
||
Gagnon C,
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||
Duchesne E</span><br />
|
||
<span class="medgenPMjournal">BMC Res Notes</span>
|
||
2019 Aug 20;12(1):526.
|
||
doi: 10.1186/s13104-019-4554-z.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31429798" target="_blank">31429798</a><a href="/pmc/articles/PMC6700834" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/28145949">Histological Evidence of Muscle Degeneration in Advanced Human Rotator Cuff Disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Gibbons MC,
|
||
Singh A,
|
||
Anakwenze O,
|
||
Cheng T,
|
||
Pomerantz M,
|
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Schenk S,
|
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Engler AJ,
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Ward SR</span><br />
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<span class="medgenPMjournal">J Bone Joint Surg Am</span>
|
||
2017 Feb 1;99(3):190-199.
|
||
doi: 10.2106/JBJS.16.00335.
|
||
<span class="bold">PMID: </span><a href="/pubmed/28145949" target="_blank">28145949</a><a href="/pmc/articles/PMC5395080" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26208388">In vitro and in vivo analysis of human fibroblast reprogramming and multipotency.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Pang R,
|
||
Zhu X,
|
||
Geng J,
|
||
Zhang Y,
|
||
Wang Q,
|
||
He J,
|
||
Wang J,
|
||
Zhu G,
|
||
Xiong F,
|
||
Zhang C,
|
||
Ruan G,
|
||
Pan X</span><br />
|
||
<span class="medgenPMjournal">Cell Mol Biol Lett</span>
|
||
2015 Sep;20(3):404-17.
|
||
doi: 10.1515/cmble-2015-0024.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26208388" target="_blank">26208388</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Centrally%20nucleated%20skeletal%20muscle%20fibers%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (15)</a></div></div>
|
||
</div>
|
||
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|
||
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|
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|
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|
||
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||
|
||
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|
||
|
||
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|
||
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|
||
<div class="supplemental col three_col last">
|
||
<h2 class="offscreen_noflow">Supplemental Content</h2>
|
||
|
||
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|
||
|
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||
<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C1842170%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (6)</a></li>
|
||
<li><a href="/gtr/tests?term=C1842170%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (6)</a></li>
|
||
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C1842170%5bDISCUI%5d" target="_blank">See all (6)</a></total></li>
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|
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<li>
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<a href="/pubmed/clinical?term=Centrally%20nucleated%20skeletal%20muscle%20fibers" ref="ncbi_uid=&discoId=gtr_reviews&linkpos=1&linkpostotal=2" target="_blank">PubMed Clinical Queries</a>
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<div class="brieflinkpop offscreen_noflow">Related information in GTR</div>
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