Journal
JOURNAL OF PHARMACOLOGICAL SCIENCES
Volume 130, Issue 2, Pages 78-84Publisher
JAPANESE PHARMACOLOGICAL SOC
DOI: 10.1016/j.jphs.2015.12.001
Keywords
MicroRNA-375; Papillary thyroid carcinoma; ERBB2; Apoptosis
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MicroRNAs (miRs) played important roles in the cell proliferation, apoptosis and other biological processes in cancer. In the present study we found that miR-375 was significantly down-regulated in human papillary thyroid carcinoma (PTC) tissues and cell lines. In this study we try to investigate the biological activity of miR-375 in human PTC cells and try to find the potential target of miR-375. Our study indicated that over-expression of miR-375 could inhibit the PTC cells proliferation and this inhibition was caused by the induction of cell apoptosis. In vivo animal study indicated that over-expression of miR-375 could significantly decrease the migration and invasion of human PTC cell in vivo. These results exhibit over-expression of miR-375 in human PTC cells could inhibit the process of human PTC. Further study demonstrated ERBB2 was a direct target of miR-375, over-expression of miR-375 decrease the both mRNA and protein expression of ERBB2 in human PTC cells. These data indicate miR-375 play important roles in the process and development of human PTC. These finds suggested that appropriate application of miR-375 regulation might be a new sight for the treatment of human PTC in the future. (C) 2015 Japanese Pharmacological Society. Production and hosting by Elsevier B.V.
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