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<meta name="keywords" content="C1829703, carnitine palmitoyl transferase 1 deficiency, carnitine palmitoyl transferase 1a deficiency, carnitine palmitoyl transferase ia deficiency, carnitine palmitoyltransferase 1 deficiency, carnitine palmitoyltransferase 1a deficiency, carnitine palmitoyltransferase deficiency type 1, carnitine palmitoyltransferase i deficiency, carnitine palmitoyltransferase ia deficiency, carnitine palmitoyltransferase type i deficiency, cpt 1 deficiency, cpt 1a deficiency, cpt deficiency, hepatic, type 1, cpt deficiency, hepatic, type i, cpt deficiency, hepatic, type ia, cpt i deficiency, cpt1 - carnitine palmitoyltransferase i deficiency, cpt1a, cpt1a deficiency, cpt1a disorder of carnitine cycle and carnitine transport, cpti - carnitine palmitoyltransferase deficiency type i, disease or syndrome, disorder of carnitine cycle and carnitine transport caused by mutation in cpt1a, hepatic carnitine palmitoyl transferase 1 deficiency, hepatic carnitine palmitoyl transferase i deficiency, hepatic carnitine palmitoyltransferase 1 deficiency, hepatic cpt deficiency type i, hepatic cpt1, l-cpt 1 deficiency, l-cpt1 deficiency, l-cpti deficiency, liver form of carnitine palmitoyltransferase deficiency, 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="Carnitine palmitoyltransferase 1A (CPT1A) deficiency is a disorder of long-chain fatty acid oxidation. Clinical manifestations usually occur in an individual with a concurrent febrile or gastrointestinal illness when energy demands are increased; onset of manifestations are usually rapid. The recognized presentations are: (1) out-of-range newborn screen (individual may be without features or with hepatic encephalopathy, hypoketotic hypoglycemia, and sudden onset of liver failure) and (2) later-onset manifestations (in the absence of newborn screening), including hepatic encephalopathy, hypoglycemia, absent or low levels of ketones, and elevated serum concentrations of liver transaminases, ammonia, and creatine kinase. Between episodes of hepatic encephalopathy, individuals appear developmentally and cognitively normal unless previous metabolic decompensation has resulted in neurologic damage. Acute fatty liver of pregnancy, in which the fetus has biallelic pathogenic variants in CPT1A, has been rarely associated with CPT1A deficiency." /><meta name="robots" content="index,nofollow,noarchive" />
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<title>Carnitine palmitoyl transferase 1A deficiency (Concept Id: C1829703)
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<!--
UID=316820
ConceptID=C1829703
-->
<!--imgCountBooks = 1--><div class="ncbi_carousel" data-ncbicarousel-config="imageWidth:'100px',numItemsVisible:2,toggler:false"><div class="nc_header"><span class="img_strip_title">Image</span></div><div class="nc_content"><div class="nc_item"><a class="figpopup"><img alt="Image from GeneReviews" src="/books/NBK1527/bin/cpt1a-Image001.gif" src-large="/books/NBK1527/bin/cpt1a-Image001.jpg" /></a><br /><a href="/books/NBK1527/figure/cpt1a.F1/" title="GeneReviews" target="_blank">details</a></div></div></div><h1 class="medgenTitle"><div class="MedGenTitleText">Carnitine palmitoyl transferase 1A deficiency</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>316820</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)&#10;Click for more information.">C1829703</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>Carnitine palmitoyl transferase 1 deficiency; Carnitine palmitoyltransferase 1A deficiency; Carnitine Palmitoyltransferase IA Deficiency; Carnitine palmitoyltransferase type I deficiency; CPT DEFICIENCY, HEPATIC, TYPE I; CPT deficiency, hepatic, type IA; CPT I DEFICIENCY; CPT1A deficiency; Hepatic carnitine palmitoyltransferase 1 deficiency; Hepatic CPT1; L-CPT 1 deficiency</td></tr>
<tr><td><span class="bold">SNOMED CT: </span></td>
<td>Carnitine palmitoyltransferase deficiency type 1 (238001003); Carnitine palmitoyltransferase I deficiency (238001003); Liver form of carnitine palmitoyltransferase deficiency (238001003); CPTI - Carnitine palmitoyltransferase deficiency type I (238001003); CPT1 - Carnitine palmitoyltransferase I deficiency (238001003)</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)&#10;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="CPT1A - ID: 1374 - NCBI Gene" href="/gene/1374" class="medgenPMinfo">CPT1A</a> (11q13.3)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0009705" target="_blank">MONDO:0009705</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/255120" target="_blank">255120</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&amp;Expert=156">ORPHA156</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>
<div class="portlet mgSection" id="ID_101">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Disease_characteristics">Disease characteristics</h1><a sid="101" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="excerpt">Excerpted from the <i>GeneReview: </i><a href="/books/NBK1527" target="_blank">Carnitine Palmitoyltransferase 1A Deficiency</a></div><div>Carnitine palmitoyltransferase 1A (CPT1A) deficiency is a disorder of long-chain fatty acid oxidation. Clinical manifestations usually occur in an individual with a concurrent febrile or gastrointestinal illness when energy demands are increased; onset of manifestations are usually rapid. The recognized presentations are: (1) out-of-range newborn screen (individual may be without features or with hepatic encephalopathy, hypoketotic hypoglycemia, and sudden onset of liver failure) and (2) later-onset manifestations (in the absence of newborn screening), including hepatic encephalopathy, hypoglycemia, absent or low levels of ketones, and elevated serum concentrations of liver transaminases, ammonia, and creatine kinase. Between episodes of hepatic encephalopathy, individuals appear developmentally and cognitively normal unless previous metabolic decompensation has resulted in neurologic damage. Acute fatty liver of pregnancy, in which the fetus has biallelic pathogenic variants in CPT1A, has been rarely associated with CPT1A deficiency. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</div><div class="spaceAbove"><strong>Full text of <i>GeneReview</i> (by section):</strong><br /><a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Summary" target="NBK1527">Summary</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Diagnosis" target="NBK1527">Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Clinical_Characteristics" target="NBK1527">Clinical Characteristics</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Genetically_Related_Allelic_Disord" target="NBK1527">Genetically Related (Allelic) Disorders</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Differential_Diagnosis" target="NBK1527">Differential Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Management" target="NBK1527">Management</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Genetic_Counseling" target="NBK1527">Genetic Counseling</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Resources" target="NBK1527">Resources</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Molecular_Genetics" target="NBK1527">Molecular Genetics</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.Chapter_Notes" target="NBK1527">Chapter Notes</a>  |  <a class="medgenPMinfo" href="/books/NBK1527#cpt1a.References" target="NBK1527">References</a></div><div class="spaceAbove"><strong>Authors:</strong><br />
Kristen Lee  |  Amanda Pritchard  |  Ayesha Ahmad   <a href="/books/NBK1527" target="NBK1527" title="NCBI Bookshelf: Carnitine Palmitoyltransferase 1A Deficiency">view full author information</a></div></div>
</div>
<div class="portlet mgSection" id="ID_117">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Additional_descriptions">Additional descriptions</h1><a sid="117" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="mgSection"><strong>From OMIM</strong><br />Carnitine palmitoyltransfease I deficiency is an autosomal recessive metabolic disorder of long-chain fatty acid oxidation characterized by severe episodes of hypoketotic hypoglycemia usually occurring after fasting or illness. Onset is in infancy or early childhood (Bougneres et al., 1981)  <a target="_blank" href="http://www.omim.org/entry/255120">http://www.omim.org/entry/255120</a></div><div class="mgSection"><strong>From MedlinePlus Genetics</strong><br />Carnitine palmitoyltransferase I (CPT I) deficiency is a condition that prevents the body from using certain fats for energy, particularly during periods without food (fasting). The severity of this condition varies among affected individuals.<br /><br />Signs and symptoms of CPT I deficiency often appear during early childhood. Affected individuals usually have low blood glucose (hypoglycemia) and a low level of ketones, which are produced during the breakdown of fats and used for energy. Together these signs are called hypoketotic hypoglycemia. People with CPT I deficiency can also have an enlarged liver (hepatomegaly), liver malfunction, and elevated levels of carnitine in the blood. Carnitine, a natural substance acquired mostly through the diet, is used by cells to process fats and produce energy. Individuals with CPT I deficiency are at risk for nervous system damage, liver failure, seizures, coma, and sudden death.<br /><br />Problems related to CPT I deficiency can be triggered by periods of fasting or by illnesses such as viral infections. This disorder is sometimes mistaken for Reye syndrome, a severe disorder that may develop in children while they appear to be recovering from viral infections such as chicken pox or flu. Most cases of Reye syndrome are associated with the use of aspirin during these viral infections.  <a target="_blank" href="https://medlineplus.gov/genetics/condition/carnitine-palmitoyltransferase-i-deficiency">https://medlineplus.gov/genetics/condition/carnitine-palmitoyltransferase-i-deficiency</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_56402"><div><strong>Ketonuria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>56402</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)&#10;Click for more information.">C0162275</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">High levels of ketone bodies (acetoacetic acid, beta-hydroxybutyric acid, and acetone) in the urine. Ketone bodies are insignificant in the blood and urine of normal individuals in the postprandial or overnight-fasted state.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/56402">Feature record</a> | <a href="/medgen?term=%22Ketonuria%22%5BClinical%20Features%5D%20OR%2056402%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_343550"><div><strong>Dicarboxylic aciduria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343550</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)&#10;Click for more information.">C1856432</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An increased concentration of dicarboxylic acid in the urine.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/343550">Feature record</a> | <a href="/medgen?term=%22Dicarboxylic%20aciduria%22%5BClinical%20Features%5D%20OR%20343550%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_2039"><div><strong>Cardiac arrhythmia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>2039</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)&#10;Click for more information.">C0003811</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Any cardiac rhythm other than the normal sinus rhythm. Such a rhythm may be either of sinus or ectopic origin and either regular or irregular. An arrhythmia may be due to a disturbance in impulse formation or conduction or both.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/2039">Feature record</a> | <a href="/medgen?term=%22Cardiac%20arrhythmia%22%5BClinical%20Features%5D%20OR%202039%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_5459"><div><strong>Cardiomegaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>5459</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)&#10;Click for more information.">C0018800</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased size of the heart, clinically defined as an increased transverse diameter of the cardiac silhouette that is greater than or equal to 50% of the transverse diameter of the chest (increased cardiothoracic ratio) on a posterior-anterior projection of a chest radiograph or a computed tomography.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/5459">Feature record</a> | <a href="/medgen?term=%22Cardiomegaly%22%5BClinical%20Features%5D%20OR%205459%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_8360"><div><strong>Diarrhea</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>8360</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)&#10;Click for more information.">C0011991</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">Abnormally increased frequency (usually defined as three or more) loose or watery bowel movements a day.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/8360">Feature record</a> | <a href="/medgen?term=%22Diarrhea%22%5BClinical%20Features%5D%20OR%208360%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_42428"><div><strong>Hepatomegaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42428</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)&#10;Click for more information.">C0019209</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Abnormally increased size of the liver.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/42428">Feature record</a> | <a href="/medgen?term=%22Hepatomegaly%22%5BClinical%20Features%5D%20OR%2042428%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_65429"><div><strong>Feeding difficulties</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>65429</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)&#10;Click for more information.">C0232466</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/65429">Feature record</a> | <a href="/medgen?term=%22Feeding%20difficulties%22%5BClinical%20Features%5D%20OR%2065429%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_398225"><div><strong>Hepatic steatosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>398225</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)&#10;Click for more information.">C2711227</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Steatosis is a term used to denote lipid accumulation within hepatocytes.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/398225">Feature record</a> | <a href="/medgen?term=%22Hepatic%20steatosis%22%5BClinical%20Features%5D%20OR%20398225%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1054"><div><strong>Coma</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1054</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)&#10;Click for more information.">C0009421</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">The complete absence of wakefulness and consciousness, which is evident through a lack of response to any form of external stimuli.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1054">Feature record</a> | <a href="/medgen?term=%22Coma%22%5BClinical%20Features%5D%20OR%201054%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_7310"><div><strong>Lethargy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>7310</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)&#10;Click for more information.">C0023380</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A state of fatigue, either physical or mental slowness and sluggishness, with difficulties in initiating or performing simple tasks. Distinguished from apathy which implies indifference and a lack of desire or interest in the task. A person with lethargy may have the desire, but not the energy to engage in personal or socially relevant tasks.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/7310">Feature record</a> | <a href="/medgen?term=%22Lethargy%22%5BClinical%20Features%5D%20OR%207310%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)&#10;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_195967"><div><strong>Hyporeflexia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>195967</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)&#10;Click for more information.">C0700078</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduction of neurologic reflexes such as the knee-jerk reaction.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/195967">Feature record</a> | <a href="/medgen?term=%22Hyporeflexia%22%5BClinical%20Features%5D%20OR%20195967%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_376865"><div><strong>Recurrent encephalopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376865</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)&#10;Click for more information.">C1850719</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Recurrent episodes of brain dysfunction that may be triggered by factors such as metabolic disturbances or infections.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/376865">Feature record</a> | <a href="/medgen?term=%22Recurrent%20encephalopathy%22%5BClinical%20Features%5D%20OR%20376865%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_381392"><div><strong>Motor delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>381392</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)&#10;Click for more information.">C1854301</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A type of Developmental delay characterized by a delay in acquiring motor skills.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/381392">Feature record</a> | <a href="/medgen?term=%22Motor%20delay%22%5BClinical%20Features%5D%20OR%20381392%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_10133"><div><strong>Hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>10133</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)&#10;Click for more information.">C0026827</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/10133">Feature record</a> | <a href="/medgen?term=%22Hypotonia%22%5BClinical%20Features%5D%20OR%2010133%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)&#10;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_346841"><div><strong>Generalized hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346841</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)&#10;Click for more information.">C1858120</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Generalized muscular hypotonia (abnormally low muscle tone).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/346841">Feature record</a> | <a href="/medgen?term=%22Generalized%20hypotonia%22%5BClinical%20Features%5D%20OR%20346841%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_90"><div><strong>Renal tubular acidosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>90</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)&#10;Click for more information.">C0001126</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Acidosis owing to malfunction of the kidney tubules with accumulation of metabolic acids and hyperchloremia, potentially leading to complications including hypokalemia, hypercalcinuria, nephrolithiasis and nephrocalcinosis.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/90">Feature record</a> | <a href="/medgen?term=%22Renal%20tubular%20acidosis%22%5BClinical%20Features%5D%20OR%2090%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_57497"><div><strong>Elevated circulating aspartate aminotransferase concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>57497</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)&#10;Click for more information.">C0151904</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">The concentration of aspartate aminotransferase (AST) in the blood circulation is above the upper limit of normal.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/57497">Feature record</a> | <a href="/medgen?term=%22Elevated%20circulating%20aspartate%20aminotransferase%20concentration%22%5BClinical%20Features%5D%20OR%2057497%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_57740"><div><strong>Elevated circulating alanine aminotransferase concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>57740</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)&#10;Click for more information.">C0151905</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormally high concentration in the circulation of alanine aminotransferase (ALT).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/57740">Feature record</a> | <a href="/medgen?term=%22Elevated%20circulating%20alanine%20aminotransferase%20concentration%22%5BClinical%20Features%5D%20OR%2057740%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_116013"><div><strong>Elevated circulating hepatic transaminase concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>116013</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)&#10;Click for more information.">C0235996</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Elevations of the levels of SGOT and SGPT in the serum. SGOT (serum glutamic oxaloacetic transaminase) and SGPT (serum glutamic pyruvic transaminase) are transaminases primarily found in the liver and heart and are released into the bloodstream as the result of liver or heart damage. SGOT and SGPT are used clinically mainly as markers of liver damage.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/116013">Feature record</a> | <a href="/medgen?term=%22Elevated%20circulating%20hepatic%20transaminase%20concentration%22%5BClinical%20Features%5D%20OR%20116013%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_69128"><div><strong>Elevated circulating creatine kinase concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>69128</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)&#10;Click for more information.">C0241005</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An elevation of the level of the enzyme creatine kinase (also known as creatine phosphokinase (CK; EC 2.7.3.2) in the blood. CK levels can be elevated in a number of clinical disorders such as myocardial infarction, rhabdomyolysis, and muscular dystrophy.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/69128">Feature record</a> | <a href="/medgen?term=%22Elevated%20circulating%20creatine%20kinase%20concentration%22%5BClinical%20Features%5D%20OR%2069128%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_340608"><div><strong>Transient hyperlipidemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340608</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)&#10;Click for more information.">C1850722</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove nowrap">See: <a href="/medgen/340608">Feature record</a> | <a href="/medgen?term=%22Transient%20hyperlipidemia%22%5BClinical%20Features%5D%20OR%20340608%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_344733"><div><strong>Hypoketotic hypoglycemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344733</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)&#10;Click for more information.">C1856438</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A decreased concentration of glucose in the blood associated with a reduced concentration of ketone bodies.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/344733">Feature record</a> | <a href="/medgen?term=%22Hypoketotic%20hypoglycemia%22%5BClinical%20Features%5D%20OR%20344733%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1802066"><div><strong>Hyperammonemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1802066</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)&#10;Click for more information.">C5574662</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Laboratory or Test Result</dd></dl></div></div></div>
<div class="spaceAbove">An increased concentration of ammonia in the blood.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen?term=%22Hyperammonemia%22%5BClinical%20Features%5D%20OR%201802066%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(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).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_57740" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Elevated circulating alanine aminotransferase concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_57497" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Elevated circulating aspartate aminotransferase concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_69128" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Elevated circulating creatine kinase concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_116013" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Elevated circulating hepatic transaminase concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1802066" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyperammonemia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_344733" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypoketotic hypoglycemia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_90" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Renal tubular acidosis</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_340608" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Transient hyperlipidemia</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_2039" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cardiac arrhythmia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_5459" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cardiomegaly</a></span></li></ul></li><li><span class="TLline">Abnormality of the digestive system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_8360" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Diarrhea</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_65429" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Feeding difficulties</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_398225" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hepatic steatosis</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_42428" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hepatomegaly</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_343550" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dicarboxylic aciduria</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_56402" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ketonuria</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_346841" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized hypotonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_10133" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypotonia</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_1054" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Coma</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_195967" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyporeflexia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_7310" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lethargy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_381392" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Motor delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_376865" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Recurrent encephalopathy</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="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0268634[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=468968">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"><a href="/medgen/468968" ref="tree=GTR&amp;ncbi_uid=468968&amp;link_uid=468968" title="View MedGen record for 'Disorder of fatty acid metabolism'">Disorder of fatty acid metabolism</a></span><ul><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0342791[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=91000">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=91000" target="_blank" href="/omim/212138">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK582032/" ref="ncbi_uid=91000">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=91000" ref="ncbi_uid=91000">V</a></span></span><span class="TLline"><a href="/medgen/91000" ref="tree=GTR&amp;ncbi_uid=91000&amp;link_uid=91000" title="View MedGen record for 'Carnitine acylcarnitine translocase deficiency'">Carnitine acylcarnitine translocase deficiency</a></span></li><li class="matched_ds"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1829703[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=316820">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=316820" target="_blank" href="/omim/255120">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK1527/" ref="ncbi_uid=316820">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=316820" ref="ncbi_uid=316820">V</a></span></span><span class="TLline">Carnitine palmitoyl transferase 1A deficiency</span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1833511[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=322211">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=322211" target="_blank" href="/omim/600649">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK1253/" ref="ncbi_uid=322211">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=322211" ref="ncbi_uid=322211">V</a></span></span><span class="TLline"><a href="/medgen/322211" ref="tree=GTR&amp;ncbi_uid=322211&amp;link_uid=322211" title="View MedGen record for 'Carnitine palmitoyl transferase II deficiency, severe infantile form'">Carnitine palmitoyl transferase II deficiency, severe infantile form</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0220710[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=65086">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=65086" target="_blank" href="/omim/201450">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK1424/" ref="ncbi_uid=65086">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=65086" ref="ncbi_uid=65086">V</a></span></span><span class="TLline"><a href="/medgen/65086" ref="tree=GTR&amp;ncbi_uid=65086&amp;link_uid=65086" title="View MedGen record for 'Medium-chain acyl-coenzyme A dehydrogenase deficiency'">Medium-chain acyl-coenzyme A dehydrogenase deficiency</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1969443[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=370665">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=370665" target="_blank" href="/omim/600890">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK583531/" ref="ncbi_uid=370665">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=370665" ref="ncbi_uid=370665">V</a></span></span><span class="TLline"><a href="/medgen/370665" ref="tree=GTR&amp;ncbi_uid=370665&amp;link_uid=370665" title="View MedGen record for 'Mitochondrial trifunctional protein deficiency'">Mitochondrial trifunctional protein deficiency</a></span><ul><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=CN376812[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1053401">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK583531/" ref="ncbi_uid=1053401">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1053401" ref="ncbi_uid=1053401">V</a></span></span><span class="TLline"><a href="/medgen/1053401" ref="tree=GTR&amp;ncbi_uid=1053401&amp;link_uid=1053401" title="View MedGen record for 'Mitochondrial trifunctional protein deficiency 1'">Mitochondrial trifunctional protein deficiency 1</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C5830374[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1841010">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=1841010" target="_blank" href="/omim/143450">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK583531/" ref="ncbi_uid=1841010">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1841010" ref="ncbi_uid=1841010">V</a></span></span><span class="TLline"><a href="/medgen/1841010" ref="tree=GTR&amp;ncbi_uid=1841010&amp;link_uid=1841010" title="View MedGen record for 'Mitochondrial trifunctional protein deficiency 2'">Mitochondrial trifunctional protein deficiency 2</a></span></li></ul></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0268596[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=75696">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=75696" target="_blank" href="/omim/231680">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK558236/" ref="ncbi_uid=75696">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=75696" ref="ncbi_uid=75696">V</a></span></span><span class="TLline"><a href="/medgen/75696" ref="tree=GTR&amp;ncbi_uid=75696&amp;link_uid=75696" title="View MedGen record for 'Multiple acyl-CoA dehydrogenase deficiency'">Multiple acyl-CoA dehydrogenase deficiency</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0342788[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=90999">C</a></span><span class="chiclet Rcolor round" title="Research test"><a target="_blank" href="/gtr/tests/?term=C0342788[DISCUI]&amp;test_type=Research&amp;redirect=true" ref="ncbi_uid=90999">R</a></span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=90999" target="_blank" href="/omim/212140">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK84551/" ref="ncbi_uid=90999">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=90999" ref="ncbi_uid=90999">V</a></span></span><span class="TLline"><a href="/medgen/90999" ref="tree=GTR&amp;ncbi_uid=90999&amp;link_uid=90999" title="View MedGen record for 'Renal carnitine transport defect'">Renal carnitine transport defect</a></span></li><li class="TLclosed"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C3887523[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=854382">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=854382" target="_blank" href="/omim/201475">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK6816/" ref="ncbi_uid=854382">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=854382" ref="ncbi_uid=854382">V</a></span></span><span class="TLline"><a href="/medgen/854382" ref="tree=GTR&amp;ncbi_uid=854382&amp;link_uid=854382" title="View MedGen record for 'Very long chain acyl-CoA dehydrogenase deficiency'">Very long chain acyl-CoA dehydrogenase deficiency</a></span></li></ul></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/1842227" ref="tree=MeSH" title="MedGen record for Disorder of carnitine cycle and carnitine transport">Disorder of carnitine cycle and carnitine transport</a></span><ul><li><span class="matched_ds">Carnitine palmitoyl transferase 1A 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/30617651">Follow-up of fatty acid β-oxidation disorders in expanded newborn screening era.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Janeiro P,
Jotta R,
Ramos R,
Florindo C,
Ventura FV,
Vilarinho L,
Tavares de Almeida I,
Gaspar A</span><br />
<span class="medgenPMjournal">Eur J Pediatr</span>
2019 Mar;178(3):387-394.
Epub 2019 Jan 7
doi: 10.1007/s00431-018-03315-2.
<span class="bold">PMID: </span><a href="/pubmed/30617651" target="_blank">30617651</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(carnitine%20palmitoyl%20transferase%201a%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 (1)</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/30617651">Follow-up of fatty acid β-oxidation disorders in expanded newborn screening era.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Janeiro P,
Jotta R,
Ramos R,
Florindo C,
Ventura FV,
Vilarinho L,
Tavares de Almeida I,
Gaspar A</span><br />
<span class="medgenPMjournal">Eur J Pediatr</span>
2019 Mar;178(3):387-394.
Epub 2019 Jan 7
doi: 10.1007/s00431-018-03315-2.
<span class="bold">PMID: </span><a href="/pubmed/30617651" target="_blank">30617651</a></div>
<div class="nl"><a target="_blank" href="/pubmed/28045774">Study of Carnitine/Acylcarnitine and Amino Acid Profile in Children and Adults With Acute Liver Failure.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sood V,
Rawat D,
Khanna R,
Sharma S,
Gupta PK,
Alam S,
Sarin SK</span><br />
<span class="medgenPMjournal">J Pediatr Gastroenterol Nutr</span>
2017 Jun;64(6):869-875.
doi: 10.1097/MPG.0000000000001510.
<span class="bold">PMID: </span><a href="/pubmed/28045774" target="_blank">28045774</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22301540">Carnitine palmitoyltransferase-1A deficiency: a look at classic and arctic variants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Dykema DM</span><br />
<span class="medgenPMjournal">Adv Neonatal Care</span>
2012 Feb;12(1):23-7.
doi: 10.1097/ANC.0b013e318242df6d.
<span class="bold">PMID: </span><a href="/pubmed/22301540" target="_blank">22301540</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Carnitine%20palmitoyl%20transferase%201A%20deficiency%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 (3)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/30617651">Follow-up of fatty acid β-oxidation disorders in expanded newborn screening era.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Janeiro P,
Jotta R,
Ramos R,
Florindo C,
Ventura FV,
Vilarinho L,
Tavares de Almeida I,
Gaspar A</span><br />
<span class="medgenPMjournal">Eur J Pediatr</span>
2019 Mar;178(3):387-394.
Epub 2019 Jan 7
doi: 10.1007/s00431-018-03315-2.
<span class="bold">PMID: </span><a href="/pubmed/30617651" target="_blank">30617651</a></div>
<div class="nl"><a target="_blank" href="/pubmed/28045774">Study of Carnitine/Acylcarnitine and Amino Acid Profile in Children and Adults With Acute Liver Failure.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sood V,
Rawat D,
Khanna R,
Sharma S,
Gupta PK,
Alam S,
Sarin SK</span><br />
<span class="medgenPMjournal">J Pediatr Gastroenterol Nutr</span>
2017 Jun;64(6):869-875.
doi: 10.1097/MPG.0000000000001510.
<span class="bold">PMID: </span><a href="/pubmed/28045774" target="_blank">28045774</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23639448">Differences between acylcarnitine profiles in plasma and bloodspots.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">de Sain-van der Velden MG,
Diekman EF,
Jans JJ,
van der Ham M,
Prinsen BH,
Visser G,
Verhoeven-Duif NM</span><br />
<span class="medgenPMjournal">Mol Genet Metab</span>
2013 Sep-Oct;110(1-2):116-21.
Epub 2013 Apr 13
doi: 10.1016/j.ymgme.2013.04.008.
<span class="bold">PMID: </span><a href="/pubmed/23639448" target="_blank">23639448</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23143007">Intracellular in vitro probe acylcarnitine assay for identifying deficiencies of carnitine transporter and carnitine palmitoyltransferase-1.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Purevsuren J,
Kobayashi H,
Hasegawa Y,
Yamada K,
Takahashi T,
Takayanagi M,
Fukao T,
Fukuda S,
Yamaguchi S</span><br />
<span class="medgenPMjournal">Anal Bioanal Chem</span>
2013 Feb;405(4):1345-51.
Epub 2012 Nov 10
doi: 10.1007/s00216-012-6532-3.
<span class="bold">PMID: </span><a href="/pubmed/23143007" target="_blank">23143007</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22301540">Carnitine palmitoyltransferase-1A deficiency: a look at classic and arctic variants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Dykema DM</span><br />
<span class="medgenPMjournal">Adv Neonatal Care</span>
2012 Feb;12(1):23-7.
doi: 10.1097/ANC.0b013e318242df6d.
<span class="bold">PMID: </span><a href="/pubmed/22301540" target="_blank">22301540</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Carnitine%20palmitoyl%20transferase%201A%20deficiency%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 (5)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/37432890">Liver transplantation for acute-on-chronic liver failure due to carnitine palmitoyl transferase (CPT) 1A deficiency.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Smart CL,
Bratkovic D,
Muller KR</span><br />
<span class="medgenPMjournal">Liver Transpl</span>
2024 Jan 1;30(1):107-109.
Epub 2023 Jul 12
doi: 10.1097/LVT.0000000000000207.
<span class="bold">PMID: </span><a href="/pubmed/37432890" target="_blank">37432890</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23969540">Atypical manifestation of carnitine palmitoyltransferase 1A deficiency: hepatosplenomegaly and nephromegaly.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lee BH,
Kim YM,
Kim JH,
Kim GH,
Kim JM,
Kim JH,
Woo KH,
Yang SH,
Kim CJ,
Choi IH,
Yoo HW</span><br />
<span class="medgenPMjournal">J Pediatr Gastroenterol Nutr</span>
2015 Mar;60(3):e19-22.
doi: 10.1097/MPG.0b013e3182a95a42.
<span class="bold">PMID: </span><a href="/pubmed/23969540" target="_blank">23969540</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21763168">Impaired fasting tolerance among Alaska native children with a common carnitine palmitoyltransferase 1A sequence variant.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Gillingham MB,
Hirschfeld M,
Lowe S,
Matern D,
Shoemaker J,
Lambert WE,
Koeller DM</span><br />
<span class="medgenPMjournal">Mol Genet Metab</span>
2011 Nov;104(3):261-4.
Epub 2011 Jun 28
doi: 10.1016/j.ymgme.2011.06.017.
<span class="bold">PMID: </span><a href="/pubmed/21763168" target="_blank">21763168</a><a href="/pmc/articles/PMC3197793" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Carnitine%20palmitoyl%20transferase%201A%20deficiency%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 (3)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/30617651">Follow-up of fatty acid β-oxidation disorders in expanded newborn screening era.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Janeiro P,
Jotta R,
Ramos R,
Florindo C,
Ventura FV,
Vilarinho L,
Tavares de Almeida I,
Gaspar A</span><br />
<span class="medgenPMjournal">Eur J Pediatr</span>
2019 Mar;178(3):387-394.
Epub 2019 Jan 7
doi: 10.1007/s00431-018-03315-2.
<span class="bold">PMID: </span><a href="/pubmed/30617651" target="_blank">30617651</a></div>
<div class="nl"><a target="_blank" href="/pubmed/28045774">Study of Carnitine/Acylcarnitine and Amino Acid Profile in Children and Adults With Acute Liver Failure.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sood V,
Rawat D,
Khanna R,
Sharma S,
Gupta PK,
Alam S,
Sarin SK</span><br />
<span class="medgenPMjournal">J Pediatr Gastroenterol Nutr</span>
2017 Jun;64(6):869-875.
doi: 10.1097/MPG.0000000000001510.
<span class="bold">PMID: </span><a href="/pubmed/28045774" target="_blank">28045774</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23639448">Differences between acylcarnitine profiles in plasma and bloodspots.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">de Sain-van der Velden MG,
Diekman EF,
Jans JJ,
van der Ham M,
Prinsen BH,
Visser G,
Verhoeven-Duif NM</span><br />
<span class="medgenPMjournal">Mol Genet Metab</span>
2013 Sep-Oct;110(1-2):116-21.
Epub 2013 Apr 13
doi: 10.1016/j.ymgme.2013.04.008.
<span class="bold">PMID: </span><a href="/pubmed/23639448" target="_blank">23639448</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22301540">Carnitine palmitoyltransferase-1A deficiency: a look at classic and arctic variants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Dykema DM</span><br />
<span class="medgenPMjournal">Adv Neonatal Care</span>
2012 Feb;12(1):23-7.
doi: 10.1097/ANC.0b013e318242df6d.
<span class="bold">PMID: </span><a href="/pubmed/22301540" target="_blank">22301540</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Carnitine%20palmitoyl%20transferase%201A%20deficiency%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 (4)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/30617651">Follow-up of fatty acid β-oxidation disorders in expanded newborn screening era.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Janeiro P,
Jotta R,
Ramos R,
Florindo C,
Ventura FV,
Vilarinho L,
Tavares de Almeida I,
Gaspar A</span><br />
<span class="medgenPMjournal">Eur J Pediatr</span>
2019 Mar;178(3):387-394.
Epub 2019 Jan 7
doi: 10.1007/s00431-018-03315-2.
<span class="bold">PMID: </span><a href="/pubmed/30617651" target="_blank">30617651</a></div>
<div class="nl"><a target="_blank" href="/pubmed/28045774">Study of Carnitine/Acylcarnitine and Amino Acid Profile in Children and Adults With Acute Liver Failure.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sood V,
Rawat D,
Khanna R,
Sharma S,
Gupta PK,
Alam S,
Sarin SK</span><br />
<span class="medgenPMjournal">J Pediatr Gastroenterol Nutr</span>
2017 Jun;64(6):869-875.
doi: 10.1097/MPG.0000000000001510.
<span class="bold">PMID: </span><a href="/pubmed/28045774" target="_blank">28045774</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23639448">Differences between acylcarnitine profiles in plasma and bloodspots.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">de Sain-van der Velden MG,
Diekman EF,
Jans JJ,
van der Ham M,
Prinsen BH,
Visser G,
Verhoeven-Duif NM</span><br />
<span class="medgenPMjournal">Mol Genet Metab</span>
2013 Sep-Oct;110(1-2):116-21.
Epub 2013 Apr 13
doi: 10.1016/j.ymgme.2013.04.008.
<span class="bold">PMID: </span><a href="/pubmed/23639448" target="_blank">23639448</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Carnitine%20palmitoyl%20transferase%201A%20deficiency%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 (3)</a></div></div>
</div>
</div></div></div></div></div></div></div>
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<div class="supplemental col three_col last">
<h2 class="offscreen_noflow">Supplemental Content</h2>
<div>
<!-- MedGen supplemental column starts here -->
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<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>
<div class="portlet_content ln"><ul id="my-toc"></ul></div>
</div>
<div class="portlet mgSection" id="ID_106">
<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=C1829703%5bDISCUI%5d&amp;filter=method%3A1%5F1" target="_blank">Analyte (7)</a></li>
<li><a href="/gtr/tests?term=C1829703%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (49)</a></li>
<li><a href="/gtr/tests?term=C1829703%5bDISCUI%5d&amp;filter=method%3A1%5F2" target="_blank">Enzyme assay (3)</a></li>
<li><a href="/gtr/tests?term=C1829703%5bDISCUI%5d&amp;filter=method%3A2%5F9" target="_blank">Sequence analysis of select exons (14)</a></li>
<li><a href="/gtr/tests?term=C1829703%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (73)</a></li>
<li><a href="/gtr/tests?term=C1829703%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (21)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C1829703%5bDISCUI%5d" target="_blank">See all (92)</a></total></li>
</ul></div>
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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>
<div class="portlet_content ln"><ul><li><a href="https://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=255120" target="_blank">OMIM</a></li><li><a href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Expert=156" target="_blank">Orphanet</a></li><li><a href="https://clinicaltrials.gov/search?cond=Carnitine%20palmitoyl%20transferase%201A%20deficiency" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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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=(carnitine%20palmitoyl%20transferase%201a%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 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&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=600528" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=1374[geneid]" target="_blank">View CPT1A variations in ClinVar</a></li><li><a href="/nuccore/226509828" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=255120" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
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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/Carnitine+Palmitoyl+Transferase+1+Deficiency/1109" target="_blank">Genetic Alliance</a></li><li><a href="https://www.malacards.org/card/carnitine_palmitoyltransferase_i_deficiency" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=Carnitine%20palmitoyl%20transferase%201A%20deficiency" target="_blank">MedlinePlus</a></li><li><a href="https://medlineplus.gov/genetics/condition/carnitine-palmitoyltransferase-i-deficiency" target="_blank">MedlinePlusGenetics (GHR)</a></li><li><a href="https://rarediseases.info.nih.gov/diseases/1120/disease" target="_blank">NCATS Office of Rare Diseases Research (GARD)</a></li></ul></div>
</div>
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<h3>Reviews</h3>
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<a href="/pubmed/20301700" ref="ncbi_uid=&amp;discoId=gtr_reviews&amp;linkpos=1&amp;linkpostotal=3" target="_blank"><span class="gene_reviews">GeneReviews</span></a>
</li>
<li>
<a href="/pubmed/clinical?term=Carnitine%20palmitoyl%20transferase%201A%20deficiency" ref="ncbi_uid=&amp;discoId=gtr_reviews&amp;linkpos=2&amp;linkpostotal=3" target="_blank">PubMed Clinical Queries</a>
</li>
<li>
<a href="/pubmed?term=Carnitine%20palmitoyl%20transferase%201A%20deficiency%20AND%20humans[mesh]%20AND%20review[publication%20type]" ref="ncbi_uid=&amp;discoId=gtr_reviews&amp;linkpos=3&amp;linkpostotal=3" target="_blank">Reviews in PubMed</a>
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<!-- MedGen supplemental column ends here -->
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<h3>Related information</h3>
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<li class="brieflinkpopper">
<a class="brieflinkpopperctrl" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=316820" ref="log$=recordlinks">ClinVar</a>
<div class="brieflinkpop offscreen_noflow">Related medical variations</div>
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