Home Bratislava Medical Journal 2019 Bratislava Medical Journal Vol.120, No.5, p.386–391, 2019

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.2


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Bratislava Medical Journal Vol.120, No.5, p.386–391, 2019

Title: The function of microRNA-34a in osteoarthritis
Author: C. Luo, J. S. Liang, J. Gong, H. L. Zhang, Z. J. Feng, H. T. Yang, H. B. Zhang, Q. H. Kong

Abstract: AIM: To discuss the effects and mechanism of microRNA-34a in cell apoptosis induced by osteoarthritis.
METHODS: Collection of the normal and osteoarthritis synovial tissues and measurements of the miRNA-34a and TGIF2 gene expression. In the cell experiment, the cells were divided into Control, Blank and miRNA inhibitor group. The cell proliferation and apoptosis of the different groups were measured by MTT and flow cytometry and the TGIF2 protein expression in the different groups was evaluated by WB assay. The correlation between TGIF2 and miRNA-34a was analyzed by Double luciferase experiment.
RESULTS: Compared with normal synovial tissues, the miRNA-34a gene expression was significantly up-regulated and TGIF2 gene expression was significantly suppressed in osteoarthritis synovial tissues (p < 0.001, respectively). The cell proliferation was significantly depressed and the cell apoptosis rate was significantly increased in miRNA inhibitor group compared with the Control group (p < 0.001, respectively). Using the WB assay it was shown that the TGIF2 protein expression of miRNA inhibitor group was significantly suppressed compared with that of Control group (p < 0.01). By Double luciferase assay, TGIF2 gene was one target gene of miRNA-34a.
CONCLUSION: miRNA-34a could induce osteoarthritis synovial cell apoptosis via regulation of TGIF2 in vitro (Fig. 6, Ref. 29).

Keywords: miRNA-34a, osteoarthritis, TGIF2
Published online: 21-May-2019
Year: 2019, Volume: 120, Issue: 5 Page From: 386, Page To: 391

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