OBJECTIVES: To study CoQ(10) concentrations in muscle and fibroblast from 6 patients with a CoQ(10) deficiency syndrome. DESIGN AND METHODS: CoQ(10) was quantified by HPLC with electrochemical detection. RESULTS: Four out of the 6 cases showed muscle CoQ(10) deficiency plus a reduction of mitochondrial respiratory chain enzyme activities. All cases showed decreased CoQ(10) values in fibroblasts when compared with controls. CONCLUSIONS: Biochemical study of CoQ(10) in both muscle and fibroblasts seems advisable to demonstrate the deficiency in all patients.
Analysis of Coenzyme Q(10) in muscle and fibroblasts for the diagnosis of CoQ(10) deficiency syndromes
TREVISSON, EVA;SALVIATI, LEONARDO;
2008
Abstract
OBJECTIVES: To study CoQ(10) concentrations in muscle and fibroblast from 6 patients with a CoQ(10) deficiency syndrome. DESIGN AND METHODS: CoQ(10) was quantified by HPLC with electrochemical detection. RESULTS: Four out of the 6 cases showed muscle CoQ(10) deficiency plus a reduction of mitochondrial respiratory chain enzyme activities. All cases showed decreased CoQ(10) values in fibroblasts when compared with controls. CONCLUSIONS: Biochemical study of CoQ(10) in both muscle and fibroblasts seems advisable to demonstrate the deficiency in all patients.
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