Abstract Title:

[Effect of allicin on proliferation and apoptosis of KG-1 cells and its molecular mechanism].

Abstract Source:

Zhongguo Zhong Yao Za Zhi. 2018 Jun ;43(12):2612-2617. PMID: 29950084

Abstract Author(s):

Zheng Lou, Qing-Qing Wei, Da-Wei Wang, Huan-Peng Gu

Article Affiliation:

Zheng Lou


Allicin is one of the main bioactive substances in garlic, with antibacterial, hypolipidemic and other pharmacological effects. In this study, apoptosis-related indicators were detected to explore the molecular mechanism of allicin on KG-1 cell proliferation inhibition. The apoptosis rate of KG-1 cells induced by allicin was detected by flow cytometry. The effect of allicin on the expressions of Bax, Bcl-2, survivin and ERK mRNA in KG-1 cells was detected by RT-qPCR. Western blot was used to detect the expressions of caspase 3, cleaved caspase 3, ERK1/2, p-ERK1/2 and survivin protein in KG-1 cells. According to the findings, compared with the control group, allicin could significantly inhibit the proliferation activity of KG-1 cells in a concentration-dependent and time-dependent manner. Flow cytometry showed that allicin could induce the apoptosis of KG-1 cells, which was mainly late apoptosis. The results of RT-qPCR showed that the expressions of Bax mRNA, Bcl-2, survivin and ERK mRNA in KG-1 cells increased after treatment with allicin. The results of Western-blot showed that after KG-1 cells were treated with allicin, the expressions of caspase 3 and its active form cleaved caspase 3 increased, the expressions of survivin, ERK1/2 and its active form p-ERK1/2 were decreased, of which p-ERK1/2 was down-regulated in a dose-dependent manner. The above results suggest that allicin inhibited the proliferation of KG-1 cells primarily by inducing late apoptosis; the execution of apoptosis involved cleaved caspase 3; the induction of apoptosis involved the protein expression, the decrease of ERK1/2andexpression of survivin and the dose-dependent decrease of p-ERK1/2; the mRNA expression involved the increase of Bax, and the down-regulation of survivin, Bcl-2 and ERK1/2.

Study Type : In Vitro Study

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