首页> 外文会议>Progress on post-genome technologies and modern natural products >THE REGULATION OF ANGIOGENESIS BY MICRORNA-210-MEDIATED HIF-1α/VEGF SIGNALING PATHWAYS AFTER RENAL ISCHEMIA/REPERFUSION INJURY
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THE REGULATION OF ANGIOGENESIS BY MICRORNA-210-MEDIATED HIF-1α/VEGF SIGNALING PATHWAYS AFTER RENAL ISCHEMIA/REPERFUSION INJURY

机译:微小RNA-210介导的HIF-1α/ VEGF信号通路对肾缺血/再灌注损伤后血管生成的调控

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摘要

Neovascularization is a major physiological response to ischemia, but the regulatory mechanism of renal angiogenesis after ischemic injury remains to be undetermined. MicroRNAs are a group of small noncoding RNAs with modulator activity of gene expression. This study aimed to observe the expression of microRNA-210-mediated HIF-la/VEGF signaling pathways and explore the regulatory mechanism of the angiogenesis after ischemiareperfusion (I/R) injury. Quantitative Real-Time RTPCR analysis showed that miR-210, HIF-1αmRNA and VEGFmRNA in IR 4h and Id group were increased significantly compared to sham-operated control group. Western blot analysis also showed that HIF-lot protein in IR 4h and Id group were increased apparently compared to sham-operated control group. (w=5 each, * P<0. 05 vs. control) Thus, we conclude that The renal ischemia/reperfusion injury might put an influence on the expression of miR-210, HIF-la,VEGF. The regulation of angiogenesis after renal ischemia/reperfusion injury might be associated with the microRNA-210-mediated HIF-la/VEGF signaling pathways.
机译:新血管形成是对缺血的主要生理反应,但是缺血性损伤后肾脏血管生成的调节机制尚待确定。 MicroRNA是一组具有基因表达调节活性的小型非编码RNA。本研究旨在观察microRNA-210介导的HIF-1a / VEGF信号通路的表达,并探讨缺血再灌注(I / R)损伤后血管新生的调控机制。实时定量RTPCR分析显示,IR 4h和Id组的miR-210,HIF-1αmRNA和VEGFmRNA与假手术对照组相比明显增加。 Western blot分析也显示,与假手术对照组相比,IR 4h和Id组的HIF-lot蛋白明显增加。 (各= 5,相对于对照,* P <0.05)。因此,我们得出结论,肾脏缺血/再灌注损伤可能对miR-210,HIF-1α,VEGF的表达有影响。肾缺血/再灌注损伤后血管生成的调节可能与microRNA-210介导的HIF-1a / VEGF信号通路有关。

著录项

  • 来源
  • 会议地点 Chongqing(CN)
  • 作者单位

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

    Institute of Orthopaedic Surgery,Shanghai Sixth People's Hospital,Shanghai Jiao-tong University,Shanghai 200233, China;

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

    Institute of Urology, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物工程学(生物技术);
  • 关键词

    Renal Ischemia-reperfusion injury; HIF-1α/VEGF signaling pathways; MicroRNA-210; Angiogenesis;

    机译:肾脏缺血再灌注损伤; HIF-1α/ VEGF信号通路; MicroRNA-210;血管生成;

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