期刊
JOURNAL OF CELLULAR BIOCHEMISTRY
卷 113, 期 10, 页码 3229-3235出版社
WILEY
DOI: 10.1002/jcb.24200
关键词
miR-301a; Bim; PANCREATIC CANCER; PROLIFERATION; APOPTOSIS
It is well known that microRNAs (miRNAs) play an important role in many diseases, including tumorigenesis. However, the mechanisms by which miRNAs regulate pancreatic cancer (PC) development remain poorly understood. In the present study, we assayed expression level of miR-301a in PC tissues by real-time PCR, and defined the target gene and biological function by luciferase reporter assay and Western blot analysis. We first verified that the expression level of miR-301a was significantly increased in PC tissues. Moreover, miR-301a overexpression promoted PC cell proliferation, whereas its depletion decreased cell proliferation. We further demonstrated that miR-301a directly targeted 3'-UTR of Bim gene, and inhibited its protein expression in vitro and in vivo. Importantly, Bim re-expression reduced PC cell proliferation induced by miR-301a. These data suggest an important role of miR-301a in the molecular etiology of PC and implicate the potential application of miR-301a in PC therapy. J. Cell. Biochem. 113: 32293235, 2012. (c) 2012 Wiley Periodicals, Inc.
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