LAB/IN VITRO RESEARCH e-ISSN 1643-3750 © Med Sci Monit, 2017; 23: 535-541 DOI: 10.12659/MSM.898824

1,25-Dihydroxyvitamin D3 Does Not Affect MicroRNA Expression When Suppressing Human Th17 Differentiation

Received: 2016.03.31 Accepted: 2016.05.12 Published: 2017.01.30

Authors’ Contribution: Study Design  A Data Collection  B Statistical Analysis  C Data Interpretation  D Manuscript Preparation  E Literature Search  F Funds Collection  G

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Corresponding Author: Source of support:



Background:







Jian Huang Zibin Liang Ying Kuang Fujie Jia Yaqi Yang Miaomiao Kang Muke Xie Feng Li

1 Department of Anatomy and Neurobiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China 2 Guangdong Provincial Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, P.R. China

Feng Li, e-mail: [email protected] This work was supported in part by the National Natural Science Foundation of China (81271476), the Natural Science Foundation of Guangdong Province (2014A030310104), the Science and Technology Programme of Guangzhou City (201300000154), and the 111 Project (B13037)

Vitamin D is an import regulator of T helper 17 (Th17) differentiation, but our understanding of the underlying mechanisms remains limited. In the present study, we aimed to detect the expression levels of microRNAs (miRNAs) during human Th17 differentiation and evaluate the effects of 1,25-dihydroxyvitamin D3 (1,25(OH)2D3), the bioactive form of vitamin D, on Th17 differentiation and miRNA expression. Material/Methods: We cultured human peripheral blood mononuclear cells (PBMC) in vitro and activated them with anti-CD3 and anti-CD28 antibodies in the presence of Th17-promoting cytokines interleukin (IL)-23, IL-1b, TGF-b1, and IL-6 for 72 hours. 1,25(OH)2D3 was added to the medium at a final concentration of 100 nM on day 0. The production of IL-17A in culture medium was detected by enzyme-linked immunosorbent assay (ELISA). The expression levels of miRNAs during Th17 differentiation were determined by quantitative polymerase chain reaction (qPCR). Results: Six miRNAs were found to be dysregulated during human Th17 differentiation. Of these miRNAs, hsa-miR-155 was significantly up-regulated (median fold change: 3.61, P

1,25-Dihydroxyvitamin D3 Does Not Affect MicroRNA Expression When Suppressing Human Th17 Differentiation.

BACKGROUND Vitamin D is an import regulator of T helper 17 (Th17) differentiation, but our understanding of the underlying mechanisms remains limited...
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