Copyright (c) 2022 Guoyue Yan, Man Zhang, Ke Lu, Jiyong Lin, Ning Jiang, Bingbing Zhao, Dan Liang, Gang Fang
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Influences of Total Alkaloids in Caulis Mahoniae on Proliferation and Apoptosis of Cervical Cancer Cells and the Caspase-3 Expression
Corresponding Author(s) : Gang Fang
Cellular and Molecular Biology,
Vol. 68 No. 6: Issue 6
The study aimed to investigate the influences of the active ingredient in Caulis Mahoniae, total alkaloids, on the proliferation and apoptosis of cervical cancer cells and the caspase-3 expression. The total alkaloids were extracted in vitro from Caulis Mahoniae, and cervical cancer HeLa cell lines were used as experimental objects. The half inhibitory concentration (IC50) of total alkaloids on HeLa cell lines was detected via the preliminary experiment, the influences of total alkaloids at different concentrations on the proliferation of HeLa cell lines were detected via methyl thiazolyl tetrazolium (MTT) assay, and the cell growth curve was plotted. Moreover, the cell cycle and apoptosis after treatment with total alkaloids at different concentrations were detected via flow cytometry, and the caspase-3 gene and protein expressions were detected via reverse transcription-polymerase chain reaction (RT-PCR) and Western blotting. The IC50 of total alkaloids in Caulis Mahoniaeon HeLa cell lines was 12.5 μg/mL. With the gradual increase of concentration of total alkaloids in the treatment of cervical cancer cells, the inhibitory rate on cancer cells was gradually increased, and the proportion of cells in the G0/G1 phase was gradually decreased, while that in S and G2/M phases was gradually increased. Besides, with the increase in the concentration of total alkaloids, the apoptotic rate of cervical cancer cells was gradually increased, and both caspase-3 gene and protein expressions were also gradually increased. The total alkaloids extracted from Caulis Mahoniae can effectively inhibit the proliferation and promote the apoptosis of cervical cancer HeLa cells, which may be realized by promoting the expression of apoptosis-related factor caspase-3.
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