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Journal of China Medical University ; (12): 230-233, 2015.
Article Dans Chinois | WPRIM | ID: wpr-460797

Résumé

Objective To evaluate the effect of rapamycin on proliferation and cell cycle of human bladder cancer cell line 5637. Methods Total?ly 5637 cells were maintained in RPMI 1640 containing 10%fetal bovine serum,100 U/mL penicillin and 100μg/mL streptomycin for adherent cul?ture. Cells were grown at 37℃in a 5%CO2 incubator. The 5637 cells were treated with various concentrations of rapamycin solution(50 nmol/L, 100 nmol/L,200 nmol/L,and 400 nmol/L). The control group was daily treated with single RPMI 1640 without medication. The growth repression rate for 5637 cells was evaluated by MTT. Flow cytometry was used to investigate the effect of rapamycin of different concentrations on cell cycle of 5637 cells. Results Compared to the control group,rapamycin can inhibit the proliferation of 5637 cells in a concentration and time dependent manner. Rapamycin inhibited 5637 cells at G0/G1 thus inhibiting cell proliferation but not inducing apoptosis. Conclusion Rapamycin inhibited growth of 5637 bladder carcinoma cells and arrested cell cycle at G0/G1,indicating that mammalian target of rapamycin may play an important role in proliferation of 5637 cells and act as a new tumor therapeutic target in patients with bladder cancer.

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