AIM To investigate the effect of Boschniakiarossica(BR)extract on expression of GST-P,p53 and p21<sup>ras</sup>proteins in early stage of chemicalhepatocarcinogen
AIM To compare the effects of liposomes andglyco-poly-L-lysine on liver targeted uptake andexpression of plasmid in rat liver.METHODS After binding with lipofec
AIM To study the molecular mechanisms ofretinoic acid(RA)on proliferation andexpression of cyclin-dependent kinase inhibitors(CKI),i.e.p16,p21 and p27 in cultur