Journal
ASIAN PACIFIC JOURNAL OF TROPICAL MEDICINE
Volume 9, Issue 1, Pages 46-50Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.1016/j.apjtm.2015.12.010
Keywords
Colon cancer; Apoptosis; MEK/ERK signaling pathway; Resveratrol; Inhibition of proliferation
Funding
- Natural Science Fund of Hubei Province [201918283]
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Objective: To study the involvement of MAPK MEK/ERK signaling transduction pathway in the apoptosis process of SW620 tumor cell line and the inhibition effect of resveratrol. Methods: SW620 cell lines were divided into 5 groups. namely, control group, PD98059 group, low-dose resveratrol group, mid-dose resveratrol group and high-dose resveratrol group. The inhibition rate of cell proliferation was detected by MTT method. The expression of apoptotic molecules and MEK/ERK signaling pathway related proteins were assayed by real-time PCR and Western blotting. Results: Compared with control group, the proliferation of cells treated with resveratrol was significantly inhibited. In the case of apoptotic molecules, the expression of Bax, Caspase 3 and Caspase 9 was increased significantly while the expression of anti-apoptotic molecule Bcl2 was decreased significantly in resveratrol groups with a dose-dependent manner. In the case of molecules in MEK/ERK signaling pathway, the expression of Ras. Raf, MEK and ERK1/2 was decreased significantly in resveratrol groups with a dose-dependent manner. Conclusions: PD98059 and resveratrol can effectively inhibit the proliferation of SW620 through inhibiting the MEK/ERK signaling pathway.
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