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Fibroblast Growth Factor 19 Induced Changes in Non-malignant Cholangiocytes

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摘要 Background and Aims:Fibroblast growth factor(FGF)19 has been implicated in the pathogenesis of murine hepatocellular carcinoma.Whether it plays a role in the development or course of human cholangiocarcinoma remains to be determined.The aim of this study was to determine whether prolonged exposure to FGF19 results in the transformation of non-malignant human cholangiocytes into cells with malignant features.Methods:Human SV-40 transfected non-malignant H69 cholangiocytes were cultured with FGF19(0-50 ng/mL)for 6 weeks,followed by 6 weeks with medium alone.Cell proliferation,invasion,stem cell surface markers,oncofetoprotein expression,state of differentiation,epithelial-mesenchymal transition(EMT)and interleukin(IL)-6 expression were documented at various time intervals throughout the 12-week period.Results:FGF19 exposure was associated with significant increases in cell proliferation,de-differentiation,EMT and IL-6 expression.However,each of these effects returned to baseline or control values during the 6-week FGF19 free follow-up period.The remaining cell properties remained unaltered.Conclusions:Six weeks of FGF19 exposure did not result in the acquisition of permanent malignant features in non-malignant,human cholangiocytes.
出处 《Journal of Clinical and Translational Hepatology》 SCIE 2021年第6期909-916,共8页 临床与转化肝病杂志(英文版)
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