The effects of l-phenylalanine (PHE) on cell growth and production of shikonin and its derivatives, acetylshikonin (ACS) and isobutyrylshikonin (IBS), in suspension cultures of Arnebia euchroma were examined. Supplementing media using PHE have been successfully utilized to enhance shikonin
Monoterpenes are compounds found in the essential oils extracted from many plants, including fruits, vegetables, spices and herbs. These compounds contribute to the flavor and aroma of plant from which they are extracted. Monoterpenes are acyclic, monocyclic, or bicyclic C30 compounds synthesized by
Cholesterol metabolites play a several critical roles in regulating cell growth and function. 3-Hydroxy-3-methylglutaryl CoA (HMG-CoA) reductase, the rate-limiting enzyme for this pathway, is down regulated by feedback mechanisms due to increased levels of cholesterol and its premetabolites. Several
Statins are a class of drugs, which act by inhibiting the rate-limiting enzyme of cholesterol biosynthesis (3-hydroxy-3-methyl-glutaryl-CoA reductase). The inhibition of mevalonate synthesis leads to subsequent inhibition of downstream products of this pathway, which explains the pleiotropic effects
HMG-CoA-reductase inhibitors (statins) are widely used drugs to interfere with cholesterol biosynthesis. Besides this usage, evidence is increasing that statins might also be useful in therapy of viral infections or cancer. We investigated the effects of fluva-, simva-, atorva-, rosuva- and
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