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Cytotoxicity of TRAIL on colon cancer cell line SW480
Xiao-An Li, Dian-Chun Fang, Liu-Qin Yang, Ru-Gang Zhang, Pei-Ren Si
Xiao-An Li, Dian-Chun Fang, Liu-Qin Yang, Ru-Gang Zhang, Pei-Ren Si, Department of Gastroenterology, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
Correspondence to: Dian-Chun Fang, Department of Gastroenterology, Southwest Hospital, Third Military Medical University, Chongqing 400038, China. fangdianchun@hotmail.com
Received: July 31, 2002 Revised: August 3, 2002 Accepted: August 16, 2002 Published online: March 15, 2003
AIM: To study cytotoxic effect of TRAIL on colon cancer cell line SW480.
METHODS: The viability of SW480 cells was measured by MTT assay and the apoptotic rate was determined by TUNEL method.
RESULTS: Results of TUNEL and MTT assay showed that TRAIL had high antitumor activity in a time- and concentration-dependent manner. Survival rate of SW480 cells after TRAIL(1 000 μg/L) treatment was 18.7%. The apoptotic rates of SW480 cells after exposure TRAIL at concentration of 0, 50, 150, 500, 1 500 and 5 000 μg/L were 6.7%, 29.4%, 42.8%, 50.8%, 84.6% and 87.4%, respectively. The apoptotic rates of SW480 cells after treatment with 500 μg/L TRAIL for 0, 6, 12, 18, 24 and 30 hours were 7.8%, 21.4%, 41.8%, 60.6%, 73.8% and 77.3%, respectively.
CONCLUSION: The results demonstrate that TRAIL can induce apoptosis and destruction of SW480 cells, and is a potential new cytotoxic drug in cancer therapy.
Key Words: N/A
Citation: Li XA, Fang DC, Yang LQ, Zhang RG, Si PR. Cytotoxicity of TRAIL on colon cancer cell line SW480. Shijie Huaren Xiaohua Zazhi 2003; 11(3): 298-301
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