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<p>The study was undertaken to determine the mechanism of miR-372-3p activating hepatic stellate cell (HSC). Transforming growth factor-β1 (TGF-β1) induced LX-2 cells were transfected with miR-372-3p mimics and/or RhoC overexpression vector (oe-RhoC), after which the miR-372–3 and RhoC expressions were detected and the biological functions of transfected cells were assessed. The relation between miR-372-3p and RhoC predicted online was validated using the dual-luciferase assay. Protein level of Collagen I (COL I), α-smooth muscle actin (α-SMA), and key proteins in the RhoC/ROCK pathway were determined using western blot. Activated LX-2 cells had decreased miR-372-3p and increased RhoC expression. Overexpression of miR-372-3p led to inhibited LX-2 cell proliferation, accelerated apoptosis, and decreased protein level of COL I and α-SMA, while such an expression pattern can be partially reversed by RhoC overexpression. miR-372-3p can bind and target RhoC expression. miR-372-3p inhibited RhoC expression to block the activation of the Rho/ROCK pathway and thus mediate LX-2 cell proliferation and apoptosis. miR-372-3p mediated RhoC/ROCK pathway to inhibit HSC activation.</p>

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miR-372-3p represses hepatic stellate cell activation via the RhoC/ROCK pathway

  • 期刊论文

  • 发表日期：

    2025年2月14日

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  • Shiyu Ou,
  • Xiaoling Tang,
  • Zhongzhuan Li,
  • Rong Ouyang,
  • Yuan Lei,
  • Gang Chen,
  • Ling Du

摘要

The study was undertaken to determine the mechanism of miR-372-3p activating hepatic stellate cell (HSC). Transforming growth factor-β1 (TGF-β1) induced LX-2 cells were transfected with miR-372-3p mimics and/or RhoC overexpression vector (oe-RhoC), after which the miR-372–3 and RhoC expressions were detected and the biological functions of transfected cells were assessed. The relation between miR-372-3p and RhoC predicted online was validated using the dual-luciferase assay. Protein level of Collagen I (COL I), α-smooth muscle actin (α-SMA), and key proteins in the RhoC/ROCK pathway were determined using western blot. Activated LX-2 cells had decreased miR-372-3p and increased RhoC expression. Overexpression of miR-372-3p led to inhibited LX-2 cell proliferation, accelerated apoptosis, and decreased protein level of COL I and α-SMA, while such an expression pattern can be partially reversed by RhoC overexpression. miR-372-3p can bind and target RhoC expression. miR-372-3p inhibited RhoC expression to block the activation of the Rho/ROCK pathway and thus mediate LX-2 cell proliferation and apoptosis. miR-372-3p mediated RhoC/ROCK pathway to inhibit HSC activation.