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[Curcumin inhibits growth, induces G1 arrest and apoptosis on human prostatic stromal cells by regulating Bcl-2/Bax]
Zhi-qiang Chen1, Xiao Jie, Zeng-nan Mo
1Institute of Urology & Nephrology, First Affiliated Hospital, Guangxi Medical Universuity, Nanning 530021, China.
Objective:
To investigate the effect of curcumin on apoptosis of human prostatic stromal cells.
Method:
Different concentrations of curcumin were added into culture media system to induce apoptosis of human prostatic stromal cells. The apoptosis was detected by MTT assay, flow cytometry, RT-PCR and TUNEL method.
Result:
Curcumin at concentrations of 10-40 micromol x L(-1) could inhibit the proliferation of human prostatic stromal cells in a doseand time-dependent manner (P < 0.05). Characteristic apoptosis were confirmed by TUNEL RT-PCR manifest downregulation of Bcl-2/Bax (P < 0.05). Cell cycle was arrested into G1 phase by curcumin.
Conclusion:
Curcumin can induce apoptosis in human prostatic stromal cells by down-regulation of Bcl-2/Bax.
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