COQ9

COQ9 is a gene that encodes a protein involved in the biosynthesis of coenzyme Q, also known as ubiquinone, a key component in the mitochondrial respiratory chain. Mutations in this gene have been associated with mitochondrial disorders due to coenzyme Q deficiency.

Function

The protein encoded by the COQ9 gene is involved in the biosynthesis of coenzyme Q, a lipid-soluble molecule that functions as an electron carrier in the mitochondria's electron transport chain. This protein is likely to play a role in the final steps of coenzyme Q biosynthesis.

Clinical significance

Mutations in the COQ9 gene have been associated with primary coenzyme Q10 deficiency, a rare, clinically heterogeneous disorder characterized by a variety of symptoms, including encephalopathy, cardiomyopathy, and renal failure. The severity and onset of symptoms can vary widely, and treatment typically involves supplementation with coenzyme Q10.

Research

Research into the COQ9 gene and its associated protein is ongoing, with studies focusing on understanding the exact role of this gene in coenzyme Q biosynthesis and the mechanisms by which mutations in this gene lead to disease.

See also

• Coenzyme Q10 deficiency
• Mitochondrial disease
• Electron transport chain