Zhao Hanxi,Hu Xudong,Xie Peng,Sun Xindong,Yu Jinming.(-)-epigallocatechin-3-gallate enhances low-dose cisplatin cytotoxicity to human small cell lung cancer cell line H446[J].J Amry Med Univ (J Third Mil Med Univ),2012,34(02):165-167.
Zhao Hanxi,Hu Xudong,Xie Peng,Sun Xindong,Yu Jinming.(-)-epigallocatechin-3-gallate enhances low-dose cisplatin cytotoxicity to human small cell lung cancer cell line H446[J].J Amry Med Univ (J Third Mil Med Univ),2012,34(02):165-167.DOI:
Objective To determine the effect of (-)-epigallocatechin-3-gallate (EGCG) combined with cisplatin (DDP) on the cytotoxicity
apoptosis
and cell cycle in human small cell lung cancer cell line H446 cells. Methods Human small cell lung cancer H446 cells were treated with different concentrations of EGCG and DDP. The proliferation of cells was assayed by MTT assay. Flow cytometry (FCM) was used to detect cell cycle arrest. Cell apoptosis was analyzed by FCM with Annexin V/PI staining. Results Treatment of EGCG led to a significant inhibition in the proliferation of H446 cells in
a dose- and time-dependent manner. The percentage of cells at G
2
/M phase was increased markedly after treatment with EGCG and low-dose DDP. The apoptosis of H446 cells was induced by EGCG and low-dose DDP. The apoptotic rate was higher in the group of EGCG combined with DDP than in either of them alone. Conclusion EGCG can effectively inhibit the proliferation of H446 cells and induce cell apoptosis. Moreover
EGCG enhances H446 cells apoptosis induced by low-dose of DDP