PMID: 25755709Mar 11, 2015Paper

Fentanyl inhibits proliferation and invasion of colorectal cancer via β-catenin

International Journal of Clinical and Experimental Pathology
Xiu-Lai ZhangSheng-Li Zhou

Abstract

Fentanyl is widely used for relieving pain and narcotizing in cancer patients. However, there are few published reports regarding the effects of fentanyl on tumor control and treatment. Here we investigated the effects of fentanyl on tumor growth and cell invasion in the human colorectal carcinoma (HCT116) cells. Nude mice xenografts of HCT116 cells were established to assess the inhibition effect on tumor growth by fentanyl. MTT and Transwell were employed to determine the cell survival rate and cell invasion, respectively. MicroRNAs and mRNAs expression were quantified by real-time PCR. β-catenin and matrix metalloproteinases (MMP-2 and MMP-9) expression were assayed by western blotting. β-Catenin-specific small interfering RNA (Si-β-catenin) and miR-182 mimics were transfected in cells to investigate the mechanism underlying the effects of fentanyl on the colorectal tumor and HCT116 cells. Treatment with fentanyl inhibited the tumor growth and HCT116 cells invasion. Fentanyl also downregulated the expression of β-catenin and miR-182 in both xenograft tumors and HCT116 cells, and decreased the protein level of MMP-9 in HCT116 cells. Downregulation of β-Catenin resulted in the decrease of miR-182 expression in colorectal cells...Continue Reading

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