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<meta name="keywords" content="5,10 alpha methylenetetrahydro-folate reductase deficiency, 5,10-alpha-methylenetetrahydro-folate reductase deficiency, C1856061, disease or syndrome, homocysteinemia due to methylenetetrahydro-folate reductase deficiency, homocysteinemia due to mthfr deficiency, homocysteinuria due to methylenetetrahydro-folate reductase deficiency, homocysteinuria due to mthfr deficiency, homocystinuria due to deficiency of n(5,10)-methylenetetrahydrofolate reductase activity, homocystinuria due to methylene tetrahydrofolate reductase deficiency, homocystinuria due to mthfr deficiency, methylene tetrahydrofolate reductase deficiency, methylenetetrahydro-folate reductase deficiency, methylenetetrahydrofolate reductase deficiency, mthfr, mthfr deficiency, mthfr deficiency, thermolabile type, 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="Methylenetetrahydrofolate reductase deficiency is a common inborn error of folate metabolism. The phenotypic spectrum ranges from severe neurologic deterioration and early death to asymptomatic adults. In the classic form, both thermostable and thermolabile enzyme variants have been identified (Rosenblatt et al., 1992)." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
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UID=343470
|
||
ConceptID=C1856061
|
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-->
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<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Homocystinuria due to methylene tetrahydrofolate reductase deficiency</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343470</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:">C1856061</span></a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
|
||
<td>5,10-alpha-methylenetetrahydro-folate reductase deficiency; Homocysteinemia due to methylenetetrahydro-folate reductase deficiency; Homocysteinemia due to MTHFR deficiency; Homocysteinuria due to methylenetetrahydro-folate reductase deficiency; HOMOCYSTEINURIA DUE TO MTHFR DEFICIENCY; HOMOCYSTINURIA DUE TO DEFICIENCY OF N(5,10)-METHYLENETETRAHYDROFOLATE REDUCTASE ACTIVITY; Homocystinuria due to MTHFR deficiency; Methylenetetrahydro-folate reductase deficiency</td></tr>
|
||
<tr><td>Modes of inheritance:</td>
|
||
<td>
|
||
<div class="divPopper rprt" id="moi_141025"><div><strong>Autosomal recessive inheritance</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141025</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.">C0441748</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Intellectual Product</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Source: Orphanet</div>
|
||
<div class="spaceAbove">A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in individuals with two pathogenic alleles, either homozygotes (two copies of the same mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele).</div></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#moi_141025" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive inheritance</a><span> (Orphanet)</span></div></td></tr>
|
||
<tr><td colspan="2" class="small"> </td></tr><tr><td><a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#target-gene-loc">Gene (location):<img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a><div class="display-none" id="target-gene-loc">
|
||
Gene(s) directly associated with<br />
|
||
this condition or phenotype.</div></td>
|
||
<td><a target="_blank" title="MTHFR - ID: 4524 - NCBI Gene" href="/gene/4524" class="medgenPMinfo">MTHFR</a> (1p36.22)</td></tr>
|
||
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
|
||
<td><a href="https://monarchinitiative.org/disease/MONDO:0009353" target="_blank">MONDO:0009353</a></td></tr>
|
||
<tr><td>OMIM<span class="superscript">®</span>:</td>
|
||
<td><a href="https://omim.org/entry/236250" target="_blank">236250</a></td></tr>
|
||
<tr><td>Orphanet:</td>
|
||
<td><a target="_blank" title="Orphanet: The portal for rare diseases and orphan drugs" href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=395">ORPHA395</a></td></tr></tbody></table></div><div class="rprt-body jig-ncbiinpagenav" data-jigconfig="smoothScroll: false, gotoTopLink: true, gotoTopLinkText: '', gotoTopLinkAttrs: {'title': 'Go to the top of the page'},allHeadingLevels: ['h1'], topOfPageTOC: true, tocId: 'my-toc'"><div id="rprt-tabs-1" class="rprt-tab"><div id="tb-termsProp-1"><div class="leftCol mgCol"><div>
|
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<div class="portlet mgSection" id="ID_100">
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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">Methylenetetrahydrofolate reductase deficiency is a common inborn error of folate metabolism. The phenotypic spectrum ranges from severe neurologic deterioration and early death to asymptomatic adults. In the classic form, both thermostable and thermolabile enzyme variants have been identified (Rosenblatt et al., 1992). [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_117">
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||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Additional_description">Additional description</h1><a sid="117" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><div class="mgSection"><strong>From MedlinePlus Genetics</strong><br />The signs and symptoms of homocystinuria typically develop during childhood, although some mildly affected people may not show signs and symptoms until adulthood.<br /><br />Less common forms of homocystinuria can cause intellectual disability, slower growth and weight gain (failure to thrive), seizures, and problems with movement. They can also cause and a blood disorder called megaloblastic anemia, which occurs when a person has a low number of red blood cells (anemia), and the remaining red blood cells are larger than normal (megaloblastic).<br /><br />The most common form of homocystinuria, called classic homocystinuria, is characterized by tall stature, nearsightedness (myopia), dislocation of the lens at the front of the eye, a higher risk of blood clotting disorders, and brittle bones that are prone to fracture (osteoporosis) or other skeletal abnormalities. Some affected individuals also have developmental delay and learning problems.<br /><br />Homocystinuria is an inherited disorder in which the body is unable to process certain building blocks of proteins (amino acids) properly. <a target="_blank" href="https://medlineplus.gov/genetics/condition/homocystinuria">https://medlineplus.gov/genetics/condition/homocystinuria</a></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_102">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_features">Clinical features</h1><a sid="102" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln clinfeat"><strong>From HPO</strong><br />
|
||
<div class="divPopper rprt" id="clin_42485"><div><strong>Homocystinuria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42485</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.">C0019880</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Homocystinuria is an inherited disorder in which the body is unable to process certain building blocks of proteins (amino acids) properly. \n\nThe most common form of homocystinuria, called classic homocystinuria, is characterized by tall stature, nearsightedness (myopia), dislocation of the lens at the front of the eye, a higher risk of blood clotting disorders, and brittle bones that are prone to fracture (osteoporosis) or other skeletal abnormalities. Some affected individuals also have developmental delay and learning problems.\n\nLess common forms of homocystinuria can cause intellectual disability, slower growth and weight gain (failure to thrive), seizures, and problems with movement. They can also cause and a blood disorder called megaloblastic anemia, which occurs when a person has a low number of red blood cells (anemia), and the remaining red blood cells are larger than normal (megaloblastic).\n\nThe signs and symptoms of homocystinuria typically develop during childhood, although some mildly affected people may not show signs and symptoms until adulthood.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/42485">Feature record</a> | <a href="/medgen?term=%22Homocystinuria%22%5BClinical%20Features%5D%20OR%2042485%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_52522"><div><strong>Stroke disorder</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>52522</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.">C0038454</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Sudden impairment of blood flow to a part of the brain due to occlusion or rupture of an artery to the brain.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/52522">Feature record</a> | <a href="/medgen?term=%22Stroke%20disorder%22%5BClinical%20Features%5D%20OR%2052522%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_14048"><div><strong>Atypical behavior</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>14048</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.">C0004941</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Atypical behavior is an abnormality in a person's actions that can be controlled or modulated by the will of the individual. While abnormal behaviors can be difficult to control, they are distinct from other abnormal actions that cannot be affected by the individual's will.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/14048">Feature record</a> | <a href="/medgen?term=%22Atypical%20behavior%22%5BClinical%20Features%5D%20OR%2014048%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_14619"><div><strong>Paresthesia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>14619</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.">C0030554</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Abnormal sensations such as tingling, pricking, or numbness of the skin with no apparent physical cause.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/14619">Feature record</a> | <a href="/medgen?term=%22Paresthesia%22%5BClinical%20Features%5D%20OR%2014619%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_20693"><div><strong>Seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>20693</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.">C0036572</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/20693">Feature record</a> | <a href="/medgen?term=%22Seizure%22%5BClinical%20Features%5D%20OR%2020693%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_141714"><div><strong>Incoordination</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141714</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.">C0520966</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/141714">Feature record</a> | <a href="/medgen?term=%22Incoordination%22%5BClinical%20Features%5D%20OR%20141714%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_107838"><div><strong>Global developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107838</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.">C0557874</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/107838">Feature record</a> | <a href="/medgen?term=%22Global%20developmental%20delay%22%5BClinical%20Features%5D%20OR%20107838%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_107895"><div><strong>Gait disturbance</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107895</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.">C0575081</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The term gait disturbance can refer to any disruption of the ability to walk.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/107895">Feature record</a> | <a href="/medgen?term=%22Gait%20disturbance%22%5BClinical%20Features%5D%20OR%20107895%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_57735"><div><strong>Muscle weakness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>57735</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.">C0151786</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Reduced strength of muscles.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/57735">Feature record</a> | <a href="/medgen?term=%22Muscle%20weakness%22%5BClinical%20Features%5D%20OR%2057735%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_1644158"><div><strong>Microcephaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1644158</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.">C4551563</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Head circumference below 2 standard deviations below the mean for age and gender.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1644158">Feature record</a> | <a href="/medgen?term=%22Microcephaly%22%5BClinical%20Features%5D%20OR%201644158%5Buid%5D">Search on this feature</a></div></div>
|
||
<div class="divPopper rprt" id="clin_812677"><div><strong>Hyperhomocystinemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>812677</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.">C3806347</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An increased concentration of homocystine in the blood.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/812677">Feature record</a> | <a href="/medgen?term=%22Hyperhomocystinemia%22%5BClinical%20Features%5D%20OR%20812677%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(".TreeLite","#ID_102").TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(".TreeLite","#ID_102").TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormality of metabolism/homeostasis</span><ul><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_812677" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyperhomocystinemia</a></span></li></ul></li><li><span class="TLline">Abnormality of the cardiovascular system</span><ul><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_52522" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Stroke disorder</a></span></li></ul></li><li><span class="TLline">Abnormality of the genitourinary system</span><ul><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_42485" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Homocystinuria</a></span></li></ul></li><li><span class="TLline">Abnormality of the musculoskeletal system</span><ul><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1644158" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly</a></span></li><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_57735" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscle weakness</a></span></li></ul></li><li><span class="TLline">Abnormality of the nervous system</span><ul><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_14048" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Atypical behavior</a></span></li><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107895" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gait disturbance</a></span></li><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107838" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Global developmental delay</a></span></li><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_141714" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Incoordination</a></span></li><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_14619" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Paresthesia</a></span></li><li class="TLline">
|
||
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_20693" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Seizure</a></span></li></ul></li></ul></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_118">
|
||
<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>
|
||
<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=C1856061[DISCUI]&test_type=Clinical" ref="ncbi_uid=343470">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=343470" target="_blank" href="/omim/236250">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&from_uid=343470" ref="ncbi_uid=343470">V</a></span></span><span class="TLline">Homocystinuria due to methylene tetrahydrofolate reductase deficiency</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/1842423" ref="tree=MeSH" title="MedGen record for Disorder of folate metabolism and transport">Disorder of folate metabolism and transport</a></span><ul><li><span class="matched_ds">Homocystinuria due to methylene tetrahydrofolate reductase deficiency</span></li></ul></li></ul></div></div></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_105">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/29094226">Aminoacidopathies: Prevalence, Etiology, Screening, and Treatment Options.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wasim M,
|
||
Awan FR,
|
||
Khan HN,
|
||
Tawab A,
|
||
Iqbal M,
|
||
Ayesha H</span><br />
|
||
<span class="medgenPMjournal">Biochem Genet</span>
|
||
2018 Apr;56(1-2):7-21.
|
||
Epub 2017 Nov 1
|
||
doi: 10.1007/s10528-017-9825-6.
|
||
<span class="bold">PMID: </span><a href="/pubmed/29094226" target="_blank">29094226</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/27905001">Guidelines for diagnosis and management of the cobalamin-related remethylation disorders cblC, cblD, cblE, cblF, cblG, cblJ and MTHFR deficiency.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Huemer M,
|
||
Diodato D,
|
||
Schwahn B,
|
||
Schiff M,
|
||
Bandeira A,
|
||
Benoist JF,
|
||
Burlina A,
|
||
Cerone R,
|
||
Couce ML,
|
||
Garcia-Cazorla A,
|
||
la Marca G,
|
||
Pasquini E,
|
||
Vilarinho L,
|
||
Weisfeld-Adams JD,
|
||
Kožich V,
|
||
Blom H,
|
||
Baumgartner MR,
|
||
Dionisi-Vici C</span><br />
|
||
<span class="medgenPMjournal">J Inherit Metab Dis</span>
|
||
2017 Jan;40(1):21-48.
|
||
Epub 2016 Nov 30
|
||
doi: 10.1007/s10545-016-9991-4.
|
||
<span class="bold">PMID: </span><a href="/pubmed/27905001" target="_blank">27905001</a><a href="/pmc/articles/PMC5203859" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/27130656">MTHFR: Addressing Genetic Counseling Dilemmas Using Evidence-Based Literature.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Levin BL,
|
||
Varga E</span><br />
|
||
<span class="medgenPMjournal">J Genet Couns</span>
|
||
2016 Oct;25(5):901-11.
|
||
Epub 2016 Apr 30
|
||
doi: 10.1007/s10897-016-9956-7.
|
||
<span class="bold">PMID: </span><a href="/pubmed/27130656" target="_blank">27130656</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (15)</a></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/29532755">Homocysteine and Hyperhomocysteinaemia.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Zaric BL,
|
||
Obradovic M,
|
||
Bajic V,
|
||
Haidara MA,
|
||
Jovanovic M,
|
||
Isenovic ER</span><br />
|
||
<span class="medgenPMjournal">Curr Med Chem</span>
|
||
2019;26(16):2948-2961.
|
||
doi: 10.2174/0929867325666180313105949.
|
||
<span class="bold">PMID: </span><a href="/pubmed/29532755" target="_blank">29532755</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/29094226">Aminoacidopathies: Prevalence, Etiology, Screening, and Treatment Options.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wasim M,
|
||
Awan FR,
|
||
Khan HN,
|
||
Tawab A,
|
||
Iqbal M,
|
||
Ayesha H</span><br />
|
||
<span class="medgenPMjournal">Biochem Genet</span>
|
||
2018 Apr;56(1-2):7-21.
|
||
Epub 2017 Nov 1
|
||
doi: 10.1007/s10528-017-9825-6.
|
||
<span class="bold">PMID: </span><a href="/pubmed/29094226" target="_blank">29094226</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/27130656">MTHFR: Addressing Genetic Counseling Dilemmas Using Evidence-Based Literature.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Levin BL,
|
||
Varga E</span><br />
|
||
<span class="medgenPMjournal">J Genet Couns</span>
|
||
2016 Oct;25(5):901-11.
|
||
Epub 2016 Apr 30
|
||
doi: 10.1007/s10897-016-9956-7.
|
||
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<div class="portlet mgSection" id="ID_104">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_systematic_reviews">Recent systematic reviews</h1><a sid="104" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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|
||
Liu NG,
|
||
Xie H</span><br />
|
||
<span class="medgenPMjournal">Arch Gynecol Obstet</span>
|
||
2021 Apr;303(4):1089-1098.
|
||
Epub 2020 Oct 31
|
||
doi: 10.1007/s00404-020-05851-5.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33128585" target="_blank">33128585</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/31661627">Associations between Folate Metabolism Enzyme Polymorphisms and Lung Cancer: A Meta-Analysis.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Chen F,
|
||
Wen T,
|
||
Lv Q,
|
||
Liu F</span><br />
|
||
<span class="medgenPMjournal">Nutr Cancer</span>
|
||
2020;72(7):1211-1218.
|
||
Epub 2019 Oct 29
|
||
doi: 10.1080/01635581.2019.1677924.
|
||
<span class="bold">PMID: </span><a href="/pubmed/31661627" target="_blank">31661627</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/25762406">Newborn screening for homocystinurias and methylation disorders: systematic review and proposed guidelines.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Huemer M,
|
||
Kožich V,
|
||
Rinaldo P,
|
||
Baumgartner MR,
|
||
Merinero B,
|
||
Pasquini E,
|
||
Ribes A,
|
||
Blom HJ</span><br />
|
||
<span class="medgenPMjournal">J Inherit Metab Dis</span>
|
||
2015 Nov;38(6):1007-19.
|
||
Epub 2015 Mar 12
|
||
doi: 10.1007/s10545-015-9830-z.
|
||
<span class="bold">PMID: </span><a href="/pubmed/25762406" target="_blank">25762406</a><a href="/pmc/articles/PMC4626539" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency%22%20AND%20systematic%5Bsb%5D%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (3)</a></div></div>
|
||
</div>
|
||
</div></div></div></div></div></div></div>
|
||
<div id="messagearea_bottom">
|
||
|
||
</div>
|
||
<div class=" bottom">
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
<div class="supplemental col three_col last">
|
||
<h2 class="offscreen_noflow">Supplemental Content</h2>
|
||
|
||
<div>
|
||
|
||
<!-- MedGen supplemental column starts here -->
|
||
<div class="rightCol mgCol">
|
||
<div class="portlet mgSection" id="ID_113">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Table_of_contents">Table of contents</h1><a sid="113" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
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<div class="portlet_content ln"><ul id="my-toc"></ul></div>
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</div>
|
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|
||
<div class="portlet mgSection" id="ID_106">
|
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Genetic_Testing_Registry">Genetic Testing Registry</h1><a sid="106" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A1%5F1" target="_blank">Analyte (4)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (35)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A1%5F2" target="_blank">Enzyme assay (2)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A2%5F18" target="_blank">Mutation scanning of select exons (1)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A2%5F17" target="_blank">Mutation scanning of the entire coding region (1)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A2%5F9" target="_blank">Sequence analysis of select exons (9)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (54)</a></li>
|
||
<li><a href="/gtr/tests?term=C1856061%5bDISCUI%5d&filter=method%3A2%5F19" target="_blank">Targeted variant analysis (35)</a></li>
|
||
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C1856061%5bDISCUI%5d" target="_blank">See all (86)</a></total></li>
|
||
</ul></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_119">
|
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_resources">Clinical resources</h1><a sid="119" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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||
<div class="portlet_content ln"><ul><li><a href="https://www.omim.org/search?index=entry&start=1&limit=10&sort=score%20desc&field=number&search=236250" target="_blank">OMIM</a></li><li><a href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Expert=395" target="_blank">Orphanet</a></li><li><a href="https://clinicaltrials.gov/search?cond=Homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency" target="_blank">ClinicalTrials.gov</a></li></ul></div>
|
||
</div>
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<div class="portlet mgSection" id="ID_121">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Practice_guidelines">Practice guidelines</h1><a sid="121" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul></div>
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</div>
|
||
|
||
<div class="portlet mgSection" id="ID_115">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Molecular_resources">Molecular resources</h1><a sid="115" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><ul><li><a href="http://www.omim.org/search?index=entry&start=1&limit=10&sort=score%20desc&field=number&search=607093" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=4524[geneid]" target="_blank">View MTHFR variations in ClinVar</a></li><li><a href="/nuccore/262331545" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=236250" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_116">
|
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Consumer_resources">Consumer resources</h1><a sid="116" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><ul><li><a href="http://www.diseaseinfosearch.org/Homocysteinemia+due+to+MTHFR+deficiency/3461" target="_blank">Genetic Alliance</a></li><li><a href="https://www.malacards.org/card/homocystinuria_due_to_deficiency_of_n_methylenetetrahydrofolate_reductase_activity" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&query=Homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency" target="_blank">MedlinePlus</a></li><li><a href="https://medlineplus.gov/genetics/condition/homocystinuria" target="_blank">MedlinePlusGenetics (GHR)</a></li><li><a href="https://rarediseases.info.nih.gov/diseases/2734/disease" target="_blank">NCATS Office of Rare Diseases Research (GARD)</a></li></ul></div>
|
||
</div>
|
||
</div>
|
||
<div class="portlet brieflink">
|
||
<div class="portlet_head">
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<div class="portlet_title">
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<h3>Reviews</h3>
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|
||
</div>
|
||
<div class="portlet_content">
|
||
<ul>
|
||
<li>
|
||
<a href="/books/NBK66131" ref="ncbi_uid=&discoId=gtr_reviews&linkpos=1&linkpostotal=3" target="_blank">Medical Genetics Summaries</a>
|
||
</li>
|
||
<li>
|
||
<a href="/pubmed/clinical?term=Homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency" ref="ncbi_uid=&discoId=gtr_reviews&linkpos=2&linkpostotal=3" target="_blank">PubMed Clinical Queries</a>
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||
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|
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<li>
|
||
<a href="/pubmed?term=Homocystinuria%20due%20to%20methylene%20tetrahydrofolate%20reductase%20deficiency%20AND%20humans[mesh]%20AND%20review[publication%20type]" ref="ncbi_uid=&discoId=gtr_reviews&linkpos=3&linkpostotal=3" target="_blank">Reviews in PubMed</a>
|
||
</li>
|
||
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|
||
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|
||
</div>
|
||
|
||
<!-- MedGen supplemental column ends here -->
|
||
<div class="portlet brieflink">
|
||
<div class="portlet_head">
|
||
<div class="portlet_title">
|
||
<h3>Related information</h3>
|
||
</div>
|
||
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||
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|
||
<div class="portlet_content DiscoveryDbLinks">
|
||
<ul>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/clinvar?LinkName=medgen_clinvar&from_uid=343470" ref="log$=recordlinks">ClinVar</a>
|
||
<div class="brieflinkpop offscreen_noflow">Related medical variations</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/gene?LinkName=medgen_gene_diseases&from_uid=343470" ref="log$=recordlinks">Gene</a>
|
||
<div class="brieflinkpop offscreen_noflow">Related information in NCBI Gene</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/gtr/tests?term=C1856061[DISCUI]" ref="log$=recordlinks">GTR</a>
|
||
<div class="brieflinkpop offscreen_noflow">Related information in GTR</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/gtr/tests?term=C1856061[DISCUI]&test_type=Clinical" ref="log$=recordlinks">GTR(Clinical)</a>
|
||
<div class="brieflinkpop offscreen_noflow">Clinical tests in GTR</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/mesh?LinkName=medgen_mesh&from_uid=343470" ref="log$=recordlinks">MeSH</a>
|
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<div class="brieflinkpop offscreen_noflow">Related Medical Subject Headings</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
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<a class="brieflinkpopperctrl" href="/books?LinkName=medgen_books&from_uid=343470" ref="log$=recordlinks">NCBI Bookshelf</a>
|
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<div class="brieflinkpop offscreen_noflow">Related information in NCBI Bookshelf</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/omim?LinkName=medgen_omim&from_uid=343470" ref="log$=recordlinks">OMIM</a>
|
||
<div class="brieflinkpop offscreen_noflow">Related records in OMIM</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/omim?LinkName=medgen_omim_gene&from_uid=343470" ref="log$=recordlinks">OMIM(Genes)</a>
|
||
<div class="brieflinkpop offscreen_noflow">OMIM records containing genes associated with phenotypes registered in MedGen</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/pmc?LinkName=medgen_pmc&from_uid=343470" ref="log$=recordlinks">PMC Articles</a>
|
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<div class="brieflinkpop offscreen_noflow">Related information in PubMed Central Links</div>
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|
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<li class="brieflinkpopper">
|
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<a class="brieflinkpopperctrl" href="/pubmed?LinkName=medgen_pubmed&from_uid=343470" ref="log$=recordlinks">PubMed</a>
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<div class="brieflinkpop offscreen_noflow">Related literature resources in PubMed</div>
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|
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<li class="brieflinkpopper">
|
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<a class="brieflinkpopperctrl" href="/pubmed?LinkName=medgen_pubmed_bookshelf_cited&from_uid=343470" ref="log$=recordlinks">PubMed (Bookshelf cited)</a>
|
||
<div class="brieflinkpop offscreen_noflow">Links to PubMed based on citations in GeneReviews and Medical Genetics Summaries</div>
|
||
</li>
|
||
<li class="brieflinkpopper">
|
||
<a class="brieflinkpopperctrl" href="/pubmed?LinkName=medgen_pubmed_omim&from_uid=343470" ref="log$=recordlinks">PubMed (OMIM)</a>
|
||
<div class="brieflinkpop offscreen_noflow">Related literature resources in PubMed</div>
|
||
</li>
|
||
</ul>
|
||
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|
||
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|
||
|
||
|
||
<div class="portlet">
|
||
<div class="portlet_head">
|
||
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<h3>Recent activity</h3>
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<div id="HTDisplay" class="">
|
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<input name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.Cmd" sid="1" type="hidden" />
|
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<div class="action">
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<a name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.ClearHistory" sid="1" realname="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.ClearHistory" cmd="ClearHT" href="?cmd=ClearHT&" onclick="return false;" id="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.ClearHistory">
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||
Clear
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<a name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.HistoryToggle" sid="1" realname="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.HistoryToggle" class="HTOn" cmd="HTOff" href="?cmd=HTOff&" onclick="return false;" id="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.HistoryToggle">
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<a name="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.HistoryToggle" sid="2" realname="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.HistoryToggle" class="HTOff" cmd="HTOn" href="?cmd=HTOn&" onclick="return false;" id="EntrezSystem2.PEntrez.MedGen.MedGen_ResultsPanel.HistoryDisplay.HistoryToggle">
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Turn On
|
||
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|
||
</div>
|
||
<ul id="activity">
|
||
<li class="ra_rcd ralinkpopper two_line">
|
||
<a class="htb ralinkpopperctrl" ref="log$=activity&linkpos=1" href="/portal/utils/pageresolver.fcgi?recordid=67ca744d84f3725e596c156a">Homocystinuria due to methylene tetrahydrofolate reductase deficiency</a>
|
||
<div class="ralinkpop offscreen_noflow">Homocystinuria due to methylene tetrahydrofolate reductase deficiency<div class="brieflinkpopdesc"></div></div>
|
||
<div class="tertiary">MedGen</div>
|
||
</li>
|
||
<li class="ra_qry two_line">
|
||
<a class="htb" ref="log$=activity&linkpos=2" href="/portal/utils/pageresolver.fcgi?recordid=67ca744bf4a390645e772e17">C1856061[conceptid] <span class="number">(1)</span></a>
|
||
<div class="tertiary">MedGen</div>
|
||
</li>
|
||
<li class="ra_qry ralinkpopper two_line">
|
||
<a class="htb ralinkpopperctrl" ref="log$=activity&linkpos=3" href="/portal/utils/pageresolver.fcgi?recordid=67ca744ab15b832ebc3e6311">C0079541[trait identifier] AND "Labcorp Genetics (formerly Invita... <span class="number">(145)</span></a>
|
||
<div class="ralinkpop offscreen_noflow">C0079541[trait identifier] AND "Labcorp Genetics (formerly Invitae), Labcorp"[submitter]<div class="brieflinkpopdesc">Search</div></div>
|
||
<div class="tertiary">ClinVar</div>
|
||
</li>
|
||
<li class="ra_rcd ralinkpopper two_line">
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