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Article Publish Status: FREE
Abstract Title:

Effects of allicin on both telomerase activity and apoptosis in gastric cancer SGC-7901 cells.

Abstract Source:

World J Gastroenterol. 2003 Sep ;9(9):1930-4. PMID: 12970878

Abstract Author(s):

Li Sun, Xu Wang

Article Affiliation:

Li Sun

Abstract:

AIM: To investigate the effects of allicin on both telomerase activity and apoptosis in gastric cancer SGC-7901 cells.

METHODS: The gastric cancer SGC-7901 adenocarcinoma cells were treated with allicin and the cell cycle, inhibitory rate, apoptosis, telomerase activity and morphologic changes were studied by MTT assay, flow cytometry (FCM), TRAP-PCR-ELISA assay, light microscope, electron microscope respectively. Results were compared with that of AZT (3'-Azido-3'-deoxythymidine).

RESULTS: SGC-7901 cells were suppressed after exposure to allicin of 0.016 mg/ml, 0.05 mg/ml, and 0.1 mg/ml for 48 h. Compared with the control, the difference was significant (P<0.05). Allicin could induce apoptosis of the cells in a dose-dependent and non-linear manner and increase the proportion of cells in the G(2)/M phase. Compared with the control, the difference was significant in terms of the percentage of cells in the G2/M phase (P<0.05). Allicin could inhibit telomerase activity in a time-dependent and dose-dependent pattern. After exposure to allicin at 0.016 mg/ml for 24 hours, SGC-7901 cells showed typical morphologic change.

CONCLUSION: Allicin can inhibit telomerase activity and induce apoptosis of gastric cancer SGC-7901 cells. Allicin may be more effective than AZT.

Study Type : In Vitro Study

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