Disruption of the human COQ5-containing protein complex is associated with diminished coenzyme Q10 levels under two different conditions of mitochondrial energy deficiency.

Abstract excerpt

BACKGROUND: The Coq protein complex assembled from several Coq proteins is critical for coenzyme Q6 (CoQ6) biosynthesis in yeast. Secondary CoQ10 deficiency is associated with mitochondrial DNA (mtDNA) mutations in patients. We previously demonstrated that carbonyl cyanide-p-trifluoromethoxyphenylhydrazone (FCCP) suppressed CoQ10 levels and COQ5 protein maturation in human 143B cells. METHODS: This study explored...

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