Sunday, September 6, 2009

Lovastatin


Lovastatin is a member of the drug class of statins, used for lowering cholesterol (hypolipidemic agent) in those with hypercholesterolemia and so preventing cardiovascular disease. Lovastatin is a naturally occurring drug found in food such as oyster mushrooms[1] and red yeast rice[2].

Lovastatin is an inhibitor of 3-hydroxy-3methylglutaryl-coenzyme A reductase (HMG-CoA reductase), an enzyme which catalyzes the conversion of HMG-CoA to mevalonate.[20] Mevalonate is a required building block for cholesterol biosynthesis and lovastatin interferes with its production by acting as a reversible competitive inhibitor for HMG-CoA which binds to the HMG-CoA reductase. Lovastatin, being inactive in the native form, the form in which it is administered,is hydrolysed to the β-hydroxy acid form in the body and it is this form which is active.

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