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Updated: May 19, 2026

A Mouse Model to Investigate the Role of Cancer-Associated Fibroblasts in Tumor Growth
Published on: December 22, 2020
Basic fibroblast growth factor induces cholangiocarcinoma cell migration via activation of the MEK1/2 pathway
Siriluck Narong1, Kawin Leelawat
1Division of Research and Technology Assessment, Department of Academic Support, Rangsit University, Bangkok, Thailand.
Abstract:
The purpose of this study was to investigate the roles played by basic fibroblast growth factor (bFGF) in the induction of cholangiocarcinoma cell progression and to identify the signal transduction molecules that are activated by bFGF in cholangiocarcinoma cells. FGF receptor-2 (FGFR2) was shown to be expressed in two cholangiocarcinoma cell lines (RMCCA1 and KKU-100). Samples from RMCCA1 and KKU-100 were assayed for the mRNA. Phosphorylation levels were determined by Western blotting. Treatment of the cholangiocarcinoma cells with bFGF enhanced signaling via the phosphorylation of MEK1/2, induced cholangiocarcinoma cell migration and resulted in high levels of actin polymerization. Moreover, treatment with a MEK1/2 inhibitor (U0126) attenuated the effect of bFGF-induced cholangiocarcinoma cell migration. Taken together, these observations indicate that bFGF enhances the migration of cholangiocarcinoma cells and that this enhancement is regulated by the phosphorylation of MEK1/2.
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