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Clin Rheumatol ; 2020 Jan 16.
Artigo em Inglês | MEDLINE | ID: mdl-31950440


The first name of the co-author of the above article was presented incorrect in the published version. The author name "Miangliang Qiu" should read "Mingliang Qiu" as mentioned above.

Clin Rheumatol ; 2019 Dec 26.
Artigo em Inglês | MEDLINE | ID: mdl-31879859


OBJECTIVE: miR-150-5p has been implicated in the regulation and onset of immune diseases. We investigated the effects of miR-150-5p on the functions of RA synovial fibroblasts (RASFs). METHOD: The binding site between suppressor of cytokine signaling 1 (SOCS1) and miR-150-5p was analyzed using European Bioinformatics Institute database, and the 3' UTR of SOCS1 mRNA, including the binding site, was amplified and ligated to the 3'-end of LUC2 gene in the pmirGL0 dual-luciferase vector. The pmirGL0 vector and corresponding mimics were subsequently co-transfected into 293T cells to compare the relative fluorescence intensity of LUC2 between the miR-150-5p mimics and the negative control (NC) mimics groups. Further, the RASF cell line MH7A was transfected with miR-150-5p or NC mimics and subjected to flow cytometric analysis, cell counting kit-8 assay, western blot analysis, qPCR, and enzyme-linked immunosorbent (ELISA) assay 48 h after transfection. RESULTS: miR-150-5p mimics resulted in a lower cell apoptotic rate and proportion of cells in the S phase. Using a dual-luciferase reporter gene assay, we then found that SOCS1 is a potential target of miR-150-5p. Compared with NC mimics, miR-150-5p mimics significantly decreased the protein and mRNA expression levels of SOCS1. ELISA assay showed that miR-150-5p mimics increased interleukin-6 level in the cell culture medium but did not influence tumor necrosis factor-alpha levels. CONCLUSIONS: Overall, the growth-promoting effect of miR-150-5p on MH7A cells may be attributed to the miR-150-5p-induced degradation of SOCS1 mRNA, suggesting a potential therapeutic target for RA.Key Points• SOCS1 is a potential target of miR-150-5p.• miR-150-5p promoted the growth of RASF cell line MH7A.• miR-150-5p increased the secretion of IL-6 but did not significantly affect TNF-α levels in MH7A cells.