Coenzyme Q<sub>10</sub>

Coenzyme Q10

CAT N°: 11506
Price:

54.00 45.90

Coenzyme Q10 (CoQ10) is a quinone that is found throughout the human body in cell membranes, primarily in mitochondrial membranes, with the highest levels in the heart, lungs, liver, kidneys, spleen, pancreas, and adrenal glands.{20672} It exists in three redox states: fully oxidized (CoQ10/ubiquinone), partially reduced (semiquinone or ubisemiquinone), and fully reduced (ubiquinol; Item No. 19677).{63365} CoQ10 acts as an electron shuttle in the electron transport chain via its reduction to ubiquinol between mitochondrial complexes I and II, also known as NADH dehydrogenase and succinate dehydrogenase, respectively, and mitochondrial complex III, also known as cytochrome bc1 complex.{20670,63366} CoQ10 is also reduced to ubiquinol by ferroptosis suppressor protein 1 (FSP1) with NADPH as a cofactor, and ubiquinol traps lipid peroxyl radicals and inhibits lipid peroxidation helping to prevent ferroptosis.{50700} Mutations in genes encoding enzymes involved in CoQ10 biosynthesis lead to primary CoQ10 deficiency, which is characterized by encephalopathy, cerebellar ataxia, infantile multisystemic form, nephropathy, and isolated myopathy.{62500} Secondary CoQ10 deficiency, induced by non-genetic impaired CoQ10 biosynthesis, insufficient CoQ10 intake, or excessive CoQ10 utilization, has been observed in a variety of conditions, including ataxia-oculomotor-apraxia 1 (AOA1), mitochondrial diseases, and hypercholesteremia with statin therapy.{20671,62501} Formulations containing CoQ10 have been used in the treatment of CoQ10 deficiency.

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