Abstract
In order to find high-efficiency and low-toxic anti-tumor drugs, 29 pyrido[3,4-d]pyrimidine compounds were designed, synthesized and evaluated by MTT assay in vitro. The results presented that most of the compounds had good antitumor activities, among which compound 30 had the best anti-tumor activity on MGC803 cells (IC50 = 0.59 μM). Mechanistic studies exhibited that compound 30 inhibited migration of MGC803 and induced apoptosis. It was proved that compound 30 up-regulated expression of Bid and PARP, down-regulated expression of CycD1 by western blot experiments. This study indicated that compound 30 might be served as a lead agent for the treatment of human gastric cancers.
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