Journal
PLANTA MEDICA
Volume 74, Issue 13, Pages 1651-1655Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2008-1074516
Keywords
Resveratrol; cancer chemoprevention; caloric restriction; analogues
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Resveratrol is a phytoalexin with cancer chemopreventive properties in preclinical models of carcinogenesis. The mechanisms via which resveratrol is thought to exert chernopreventive efficacy are inhibition of cyclooxygenase enzymes, inhibition of angiogenesis, modulation of drug mietabolising enzymes, antioxidation and alterations of cell cycle components and apoptotic machinery. Pharmacokinetic evidence in rodents and humans suggests that the bioavailability gates are the major circulating agent-derived species. The recent realisation that resveratrol can mimic caloric restriction in several species has generated a lot of interest. Attempts to design analogues with the aim of optimising resveratrol pharmacology have furnished stilbenes with different aryl subtituents, e.g., methoxy instead of hydroxy. Some of these derivatives possess more potent pharmacological properties than the lead compound. More work is required to elucidate the role of metabolites in the pha rmaco logical activity of resveratrol.
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