Ketocholesterols

**Definition:** Cholesterol substituted in any position by a keto moiety. The 7-keto isomer inhibits cholesterol uptake in the coronary arteries and aorta by blocking 3-hydroxy-3-methylglutaryl-CoA reductase activity.

**Tree numbers:** - D04.210.500.247.222.265.450 - D04.210.500.247.222.284.800.750 - D04.210.500.247.808.197.800.750 - D10.570.938.208.825.750

**Synonyms:** - Oxocholesterols