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Heterogeneity of coenzyme Q10 deficiency: patient study and literature review.


ABSTRACT: Coenzyme Q(10) (CoQ(10)) deficiency has been associated with 5 major clinical phenotypes: encephalomyopathy, severe infantile multisystemic disease, nephropathy, cerebellar ataxia, and isolated myopathy. Primary CoQ(10) deficiency is due to defects in CoQ(10) biosynthesis, while secondary forms are due to other causes. A review of 149 cases, including our cohort of 76 patients, confirms that CoQ(10) deficiency is a clinically and genetically heterogeneous syndrome that mainly begins in childhood and predominantly manifests as cerebellar ataxia. Coenzyme Q(10) measurement in muscle is the gold standard for diagnosis. Identification of CoQ(10) deficiency is important because the condition frequently responds to treatment. Causative mutations have been identified in a small proportion of patients.

SUBMITTER: Emmanuele V 

PROVIDER: S-EPMC3639472 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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Heterogeneity of coenzyme Q10 deficiency: patient study and literature review.

Emmanuele Valentina V   López Luis C LC   Berardo Andres A   Naini Ali A   Tadesse Saba S   Wen Bing B   D'Agostino Erin E   Solomon Martha M   DiMauro Salvatore S   Quinzii Catarina C   Hirano Michio M  

Archives of neurology 20120801 8


Coenzyme Q(10) (CoQ(10)) deficiency has been associated with 5 major clinical phenotypes: encephalomyopathy, severe infantile multisystemic disease, nephropathy, cerebellar ataxia, and isolated myopathy. Primary CoQ(10) deficiency is due to defects in CoQ(10) biosynthesis, while secondary forms are due to other causes. A review of 149 cases, including our cohort of 76 patients, confirms that CoQ(10) deficiency is a clinically and genetically heterogeneous syndrome that mainly begins in childhood  ...[more]

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