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Updated: Aug 13, 2026
07:35
Assessment of Open Probability of the Mitochondrial Permeability Transition Pore in the Setting of Coenzyme Q Excess
Published on: June 1, 2022
Coenzyme Q10 deficiency and isolated myopathy
R Horvath1, P Schneiderat, B G H Schoser
1Metabolic Disease Center Munich-Schwabing, Institutes of Clinical Chemistry, Molecular Diagnostics and Mitochondrial Genetics, Academic Hospital Schwabing, Munich, Germany.
Neurology
|January 26, 2006
Summary
Muscle coenzyme Q10 deficiency causes weakness and elevated creatine kinase. High-dose CoQ10 supplementation significantly improved muscle strength and normalized creatine kinase levels in patients.
Area of Science:
- Biochemistry
- Neurology
- Genetics
Background:
- Muscle coenzyme Q10 (CoQ10) deficiency is a rare condition affecting mitochondrial energy production.
- It can lead to various neuromuscular symptoms, including muscle weakness.
Observation:
- Three unrelated patients with sporadic CoQ10 deficiency presented with proximal muscle weakness, elevated serum creatine kinase (CK), and lactate.
- Muscle biopsies revealed lipid storage myopathy and combined deficiencies in respiratory chain complexes I and III, with CoQ10 levels below 50% of normal.
Findings:
- Oral high-dose CoQ10 supplementation resulted in dramatic improvement in muscle strength.
- Serum CK levels were normalized following CoQ10 treatment.
Implications:
- This study highlights the efficacy of high-dose CoQ10 supplementation in treating muscle CoQ10 deficiency.
- Early diagnosis and intervention with CoQ10 can significantly improve outcomes for patients with this condition.
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