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首页> 外文期刊>International immunopharmacology >SETD7 promotes TNF-alpha-induced proliferation and migration of airway smooth muscle cells in vitro through enhancing NF-kappa B/CD38 signaling
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SETD7 promotes TNF-alpha-induced proliferation and migration of airway smooth muscle cells in vitro through enhancing NF-kappa B/CD38 signaling

机译:通过增强NF-Kappa B / CD38信号传导,SetD7在体外促进TNF-α诱导的气道平滑肌细胞的增殖和迁移

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摘要

The inflammation-induced the excessive proliferation and migration of airway smooth muscle (ASM) cells in the airway wall contribute to airway remodeling in asthma pathogenesis. SET domain-containing lysine methyltransferase 7 (SETD7) has emerged as one of the key regulators of inflammation. Yet, the function of SETD7 in regulating inflammation-induced ASM cell proliferation and invasion remains unclear. In the present study, we aimed to investigate the function of SETD7 in regulating ASM cell proliferation and invasion induced by tumor necrosis factor (TNF)-alpha in vitro. Our results showed that SETD7 expression was upregulated in ASM cells stimulated with TNF-alpha. Silencing SETD7 significantly decreased TNF-alpha-induced ASM cell proliferation and migration, while SETD7 overexpression exhibited the opposite effect. Notably, silencing SETD7 decreased the activation of nuclear factor (NF)-kappa B and reduced the expression of CD38 induced by TNF-alpha. Blocking NF-kappa B activation significantly abrogated the promotional effect of SETD7 overexpression on CD38 expression. Moreover, overexpression of CD38 partially reversed the inhibitory effect of SETD7 silencing on TNF-alpha-induced ASM cell proliferation and migration. Overall, these results demonstrate that SETD7 regulates TNF-alpha-induced ASM cell proliferation and migration through modulation of NF-kappa B/CD38 signaling, suggesting a potential role of SETD7 in asthma airway remodeling.
机译:炎症诱导气道平滑肌(ASM)细胞在气道墙中的过度增殖和迁移有助于哮喘发病机制中的气道重塑。将含有结构域的赖氨酸甲基转移酶7(SetD7)作为炎症的关键调节器之一。然而,SetD7在调节炎症诱导的ASM细胞增殖和侵袭中的功能仍不清楚。在本研究中,我们旨在探讨SetD7在体外肿瘤坏死因子(TNF)肿瘤诱导的ASM细胞增殖和侵袭中的功能。我们的研究结果表明,用TNF-α刺激的ASM细胞中升高SetD7表达。沉默SetD7显着降低了TNF-α诱导的ASM细胞增殖和迁移,而SETD7过表达表现出相反的效果。值得注意的是,沉默SetD7降低了核因子(NF)-Kappa B的激活,并降低了TNF-α诱导的CD38的表达。阻断NF-Kappa B激活显着消除了SetD7过表达对CD38表达的促进效果。此外,CD38的过表达部分反转SetD7沉默对TNF-α诱导的ASM细胞增殖和迁移的抑制作用。总体而言,这些结果表明,SetD7通过调制NF-Kappa B / CD38信号传导来调节TNF-α诱导的ASM细胞增殖和迁移,表明SetD7在哮喘气道重塑中的潜在作用。

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  • 来源
    《International immunopharmacology》 |2019年第2019期|共8页
  • 作者单位

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

    Xi An Jiao Tong Univ Affiliated Hosp 2 Dept Resp &

    Crit Care Med 157 Xiwu Rd Xian 710004;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 药理学;
  • 关键词

    Airway smooth muscle cells; Asthma; CD38; NF-kappa B; SETD7;

    机译:气道平滑肌细胞;哮喘;CD38;NF-Kappa B;SetD7;

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