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[The effect of curcumin on bladder cancer cell line EJ in vitro]
1Department of Urology of Westchina Hospital of Sichuan University, Chengdu.
Objective:
To observe the effect of curcumin on bladder cancer cell line EJ in vitro.
Methods:
Cell morphology, MTT, flow cytometer, immunocytochemical method for detecting NF-KB, Cyclin D1 were used to observe the effect of 5,10,20 mg/L curcumin on bladder cancer cell line EJ in vitro.
Results:
All concentrations curcumin resulted in the growth suppression significantly [Suppression ratio > or = (27.5 + 3.1)%, P < 0.05]. Above 10 mg/L concentrations curcumin induced apoptosis [Apoptosis ratio > or = (14.6 +/- 1.8)%, P < 0.05] and down-regulated of the expression of NF-kappaB [Expression ratio < or = (35.8 +/- 4.2)%, P < 0.05], Cyclin D1 [Expression ratio < or = (29.7 +/- 3.2)%, P < 0.05]. The cell phase arrest induced by curcumin was G1 phase arrest mainly with significant decrease of S phase.
Conclusions:
Curcumin can suppress the growth, induce apoptosis of bladder cancer EJ cell in vitro. Its mechanism is related with down-regulations of the expressions of NF-kappaB and Cyclin D1. Curcumin has great potential for the treatment of bladder cancer.