Decrease of miR-622 expression promoted the proliferation, migration and invasion of cholangiocarcinoma cells by targeting regulation of c-Myc - 15/12/17
, Zhuo-Ri Li b, Zhi-Qi Cheng a, Xin-Min Yin a, Jin-Shu Wu aBienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Objective |
To explore the mechanism of miR-622 in regulating the proliferation, migration and invasion of cholangiocarcinoma (CCA) cells.
Materials and methods |
Quantitative real-time PCR was conducted to measure the expression of miR-622 and c-Myc in CCA tissues and cell lines. Protein level of c-Myc was measured by Western blot. The effect of miR-622 on cell proliferation, migration and invasion was analyzed by MTT assay and Transwell chamber migration assay. Luciferase reporter assay was performed to measure the effect of miR-622 on c-Myc.
Results |
miR-622 expression was downregulated in both CCA tissues and cell lines, while c-Myc expression was uregulated. Overexpression of miR-622 in CCA cells was statistically correlated with a decrease of cell proliferation, migration and invasion, while inhibition of miR-622 made an inverse result. We also proved c-Myc was identified as a target gene of miR-622 in CCA. Moreover, we found overexpression of c-Myc can strengthen the effects of miR-622 on the proliferation, migration and invasion of CCA cells.
Conclusion |
Decrease of miR-622 promotes the proliferation, migration and invasion of CCA cells by directly targeting c-Myc.
Le texte complet de cet article est disponible en PDF.Keywords : Cholangiocarcinoma, MiR-622, C-Myc
Plan
Vol 96
P. 7-13 - décembre 2017 Retour au numéro
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