Abstract
Coenzyme Q10 (CoQ10) is a lipophilic component of the mitochondrial respiratory enzyme chain, which transfers electrons to complex III (cytochrome bc1 complex) from complex I (NADH-CoQ reductase), complex II (succinate dehydrogenase), and from the oxidation of fatty acids and branched-chain amino acids via flavin-linked dehydrogenases. Additional cellular functions of CoQ10 have been described. Deficiency of CoQ10 in muscle has been identified in patients with a spectrum of encephalomyopathies ranging from predominant cerebellar ataxia to pure myopathy. In a family with two children affected by infantile-onset encephalomyopathy and nephropathy, the first mutation in a CoQ biosynthetic gene, COQ2, was identified, thus proving the existence of primary CoQ10 deficiency. This article reviews the current state-of-knowledge regarding biochemical and molecular genetic features of inherited CoQ10 deficiency.
Keywords: para-hydroxybenzoate (PHB), S. cerevisiae, C. elegans, nuclear DNA (nDNA), ataxia oculomotor apraxia 1 (AOA1)
Current Genomics
Title: Genetics of Primary CoQ10 Deficiency
Volume: 7 Issue: 6
Author(s): A. B. Naini, C. M. Quinzii, P. Navas, S. DiMauro and M. Hirano
Affiliation:
Keywords: para-hydroxybenzoate (PHB), S. cerevisiae, C. elegans, nuclear DNA (nDNA), ataxia oculomotor apraxia 1 (AOA1)
Abstract: Coenzyme Q10 (CoQ10) is a lipophilic component of the mitochondrial respiratory enzyme chain, which transfers electrons to complex III (cytochrome bc1 complex) from complex I (NADH-CoQ reductase), complex II (succinate dehydrogenase), and from the oxidation of fatty acids and branched-chain amino acids via flavin-linked dehydrogenases. Additional cellular functions of CoQ10 have been described. Deficiency of CoQ10 in muscle has been identified in patients with a spectrum of encephalomyopathies ranging from predominant cerebellar ataxia to pure myopathy. In a family with two children affected by infantile-onset encephalomyopathy and nephropathy, the first mutation in a CoQ biosynthetic gene, COQ2, was identified, thus proving the existence of primary CoQ10 deficiency. This article reviews the current state-of-knowledge regarding biochemical and molecular genetic features of inherited CoQ10 deficiency.
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Cite this article as:
Naini B. A., Quinzii M. C., Navas P., DiMauro S. and Hirano M., Genetics of Primary CoQ10 Deficiency, Current Genomics 2006; 7 (6) . https://dx.doi.org/10.2174/138920206778948682
DOI https://dx.doi.org/10.2174/138920206778948682 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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