Curcuma zedoaria (christm.) roscoe inhibits proliferation of MDA‑MB231 cells via caspase‑cascade apoptosis

다국어 초록 (Multilingual Abstract)

Curcuma zedoaria is a perennial herb that belongs to Zingiberaceae family, found growing lavishly in Manipur; a north eastern part of India. The traditional usages of the plant is not limited to a particular disease but extended over a large number of diseases. Anti-breast cancer activity of ethyl acetate extract of Curcuma zedoaria was conducted on MDA-MB231 breast cancer cell line with the help of MTT assay technique and the mechanistic pathway was established with the help of western blot technique, confocal microscopy, wound healing migration assay and cell cycle analysis. Cell cytotoxicity test of ethyl acetate extracts showed remarkable result on MDA-MB231 in dose dependent manner (p<0.05). Confocal microscopy studies on MDA-MB231 cells revealed the activation of cleaved caspase 9 in treated cells. Western blot analyses confrm the regulation of cytochrome C and suppression of Bcl-2 in treated cells which suggest ethyl acetate extract of Curcuma zedoaria inhibits the cancer cells through cascase-dependent pathways. In cell cycle analysis, after the treatments of the cells; there was an increase in the percentage of SubG0/G1 cells that decreased S and G2 phase indicating the population undergoing cell death (apoptosis or necrosis) thereby, our data suggest that ethyl acetate extracts were able to induce signifcant apoptosis in MDA-MB-231 cells in dose dependent manner. The wound healing migration assay confrms the anti-metastatic nature of the plant extract. With the help one way ANOVA test, all the experiments were executed and it was found that ethyl acetate extract of Curcuma zedoaria inhibits MDA-MB231 cells with the down-regulation of the expression of Bcl-2 through cascase-dependent pathways therefore Curcuma zedoaria is a potent anti-cancer plant especially in breast cancer.

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