| Therapeutic concepts in succinate semialdehyde dehydrogenase (SSADH; ALDH5a1) deficiency (gamma-hydroxybutyric aciduria). Hypotheses evolved from 25 years of patient evaluation, studies in Aldh5a1-/- mice and characterization of gamma-hydroxybutyric acid pharmacology. | |
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MedLine Citation:
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PMID: 17457693 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We overview the pathophysiological bases, clinical approaches and potential therapeutic options for succinate semialdehyde dehydrogenase (SSADH; EC1.2.1.24) deficiency (gamma-hydroxybutyric aciduria, OMIM 271980, 610045) in relation to studies on SSADH gene-deleted mice, outcome data developed from 25 years of patient evaluation, and characterization of gamma-hydroxybutyric acid (GHB) pharmacology in different species. The clinical picture of this disorder encompasses a wide spectrum of neurological and psychiatric dysfunction, such as psychomotor retardation, delayed speech development, epileptic seizures and behavioural disturbances, emphasizing the multifactorial pathophysiology of SSADH deficiency. The murine SSADH-/- (e.g. Aldh5a1-/-) mouse model suffers from epileptic seizures and succumbs to early lethality. Aldh5a1-/- mice accumulate GHB and gamma-aminobutyric acid (GABA) in the central nervous system, exhibit alterations of amino acids such as glutamine (Gln), alanine (Ala) and arginine (Arg), and manifest disturbances in other systems including dopamine, neurosteroids and antioxidant status. Therapeutic concepts in patients with SSADH deficiency and preclinical therapeutic experiments are discussed in light of data collected from research in Aldh5a1-/- mice and animal studies of GHB pharmacology; these studies are the foundation for novel working approaches, including pharmacological and dietary trials, which are presented for future evaluation in this disease. |
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Authors:
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I Knerr; P L Pearl; T Bottiglieri; O Carter Snead; C Jakobs; K M Gibson |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't Date: 2007-04-24 |
Journal Detail:
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Title: Journal of inherited metabolic disease Volume: 30 ISSN: 1573-2665 ISO Abbreviation: J. Inherit. Metab. Dis. Publication Date: 2007 Jun |
Date Detail:
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Created Date: 2007-06-01 Completed Date: 2007-08-17 Revised Date: 2007-12-03 |
Medline Journal Info:
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Nlm Unique ID: 7910918 Medline TA: J Inherit Metab Dis Country: Netherlands |
Other Details:
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Languages: eng Pagination: 279-94 Citation Subset: IM |
Affiliation:
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Children's and Adolescents' Hospital, University of Erlangen-Nuremberg, Erlangen, Germany. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acid Metabolism, Inborn Errors
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genetics*,
physiopathology Animals Anticonvulsants / pharmacology, therapeutic use Disease Models, Animal Humans Mice Mice, Knockout Phenotype Sodium Oxybate / urine* Succinate-Semialdehyde Dehydrogenase / deficiency*, genetics gamma-Aminobutyric Acid / metabolism |
| Grant Support | |
ID/Acronym/Agency:
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R01 NS40270/NS/NINDS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Anticonvulsants; 502-85-2/Sodium Oxybate; 56-12-2/gamma-Aminobutyric Acid; EC 1.2.1.24/Succinate-Semialdehyde Dehydrogenase |
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