vitex scabra/protease

The lignans (1-8) isolated from the roots of Vitex negundo Linn. were screened against the serine proteases alpha-chymotrypsin, thrombin and prolyl endopeptidase. Compounds 3 and 4 were found to be active only against alpha-chymotrypsin and were noncompetitive and competitive inhibitors of the

BACKGROUND Human Immunodeficiency Virus (HIV) strains resistant to licensed anti-retroviral drugs (ARVs) continue to emerge. On the African continent, uneven access to ARVs combined with occurrence of side-effects after prolonged ARV therapy have led to searches for traditional medicines as

OBJECTIVE To evaluate the protective effect of 2'-p-hydroxybenzoylmussaenosidic acid [negundoside (NG), against carbon tetrachloride (CCl(4))-induced toxicity in HuH-7 cells. METHODS CCl(4) is a well characterized hepatotoxin, and inducer of cytochrome P450 2E1 (CYP2E1)-mediated oxidative stress. In