Effects and Mechanism of Imatinib in Inhibiting Colon Cancer Cell Proliferation.

Med Sci Monit

Department of Endocrinology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China (mainland).

Published: November 2016

BACKGROUND This study investigated the effects and mechanism of imatinib in inhibiting colon cancer cell proliferation. MATERIAL AND METHODS The SW480 cells were divided into 4 imatinib-treated groups: 0 μM, 1.25 μM, 2.5 μM, and 5μM. We analyzed the apoptosis and cell cycle of the 4 groups. The gene and protein expressions of p21, p27, HGF, and GAPDH were measured by RT-PCR and Western blot. RESULTS Compared with the 0-μM imatinib-treated group, the apoptosis of 1.25-μM, 2.5-μM, and 5.0-μM treated groups was significantly induced (P<0.05, all). The G1 phase was significantly up-regulated in the 1.25-μM, 2.5-μM, and 5.0-μM treated groups compared with the 0-μM imatinib-treated group (P<0.05, respectively), but the S and G2 phase of 3 imatinib-treated groups were significantly down-regulated (P<0.05, all). The gene and protein expressions of p27 and HGF were significantly different among the 4 groups (P<0.05, all). CONCLUSIONS Imatinib inhibits proliferation of colon cancer cells by reducing HGF and increasing p27 in a dose-dependent manner.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5094473PMC
http://dx.doi.org/10.12659/msm.898152DOI Listing

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