Dataset Information

Novel recessive mutations in COQ4 cause severe infantile cardiomyopathy and encephalopathy associated with CoQ10 deficiency.

ABSTRACT: Coenzyme Q10 (CoQ10) or ubiquinone is one of the two electron carriers in the mitochondrial respiratory chain which has an essential role in the process of oxidative phosphorylation. Defects in CoQ10 synthesis are usually associated with the impaired function of CoQ10-dependent complexes I, II and III. The recessively transmitted CoQ10 deficiency has been associated with a number of phenotypically and genetically heterogeneous groups of disorders manifesting at variable age of onset. The infantile, multisystemic presentation is usually caused by mutations in genes directly involved in CoQ10 biosynthesis. To date, mutations in COQ1 (PDSS1 and PDSS2), COQ2, COQ4, COQ6, COQ7, COQ8A/ADCK3, COQ8B/ADCK4, and COQ9 genes have been identified in patients with primary form of CoQ10 deficiency. Here we report novel mutations in the COQ4 gene, which were identified in an infant with profound mitochondrial disease presenting with perinatal seizures, hypertrophic cardiomyopathy and severe muscle CoQ10 deficiency.

SUBMITTER: Sondheimer N

PROVIDER: S-EPMC5432661 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Novel recessive mutations in COQ4 cause severe infantile cardiomyopathy and encephalopathy associated with CoQ10 deficiency.

Sondheimer Neal N Hewson Stacy S Cameron Jessie M JM Somers Gino R GR Broadbent Jane Dunning JD Ziosi Marcello M Quinzii Catarina Maria CM Naini Ali B AB

Molecular genetics and metabolism reports 20170511

Coenzyme Q10 (CoQ10) or ubiquinone is one of the two electron carriers in the mitochondrial respiratory chain which has an essential role in the process of oxidative phosphorylation. Defects in CoQ10 synthesis are usually associated with the impaired function of CoQ10-dependent complexes I, II and III. The recessively transmitted CoQ10 deficiency has been associated with a number of phenotypically and genetically heterogeneous groups of diso ...[more]

PMID: 28540186

Dataset Information

Novel recessive mutations in COQ4 cause severe infantile cardiomyopathy and encephalopathy associated with CoQ10 deficiency.

Publications

Novel recessive mutations in COQ4 cause severe infantile cardiomyopathy and encephalopathy associated with CoQ<sub>10</sub> deficiency.

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