Document Detail

Alpers-Huttenlocher syndrome.
MedLine Citation:
PMID:  23419467     Owner:  NLM     Status:  MEDLINE    
Alpers-Huttenlocher syndrome is an uncommon mitochondrial disease most often associated with mutations in the mitochondrial DNA replicase, polymerase-γ. Alterations in enzyme activity result in reduced levels or deletions in mitochondrial DNA. Phenotypic manifestations occur when the functional content of mitochondrial DNA reaches a critical nadir. The tempo of disease progression and onset varies among patients, even in identical genotypes. The classic clinical triad of seizures, liver degeneration, and progressive developmental regression helps define the disorder, but a wide range of clinical expression occurs. The majority of patients are healthy before disease onset, and seizures herald the disorder in most patients. Seizures can rapidly progress to medical intractability, with frequent episodes of epilepsia partialis continua or status epilepticus. Liver involvement may precede or occur after seizure onset. Regardless, eventual liver failure is common. Both the tempo of disease progression and range of organ involvement vary from patient to patient, and are only partly explained by pathogenic effects of genetic mutations. Diagnosis involves the constellation of organ involvement, not the sequence of signs. This disorder is relentlessly progressive and ultimately fatal.
Russell P Saneto; Bruce H Cohen; William C Copeland; Robert K Naviaux
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Intramural; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Pediatric neurology     Volume:  48     ISSN:  1873-5150     ISO Abbreviation:  Pediatr. Neurol.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-19     Completed Date:  2013-08-05     Revised Date:  2014-03-06    
Medline Journal Info:
Nlm Unique ID:  8508183     Medline TA:  Pediatr Neurol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  167-78     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
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MeSH Terms
Diffuse Cerebral Sclerosis of Schilder / diagnosis*,  genetics,  pathology
Disease Progression
Epilepsia Partialis Continua / complications,  genetics,  pathology*
Liver Failure / complications,  genetics,  pathology*
Mitochondria / genetics,  pathology
Status Epilepticus / complications,  genetics,  pathology*
Grant Support
Comment In:
Pediatr Neurol. 2013 Mar;48(3):165-6   [PMID:  23419466 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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