实验动物与比较医学 ›› 2019, Vol. 39 ›› Issue (1): 26-33.DOI: 10.3969/j.issn.1674-5817.2019.01.006

• 论著 • 上一篇    下一篇

靶向大鼠Vegf/Vegfr基因siRNA的基因沉默效应研究

陈林中日1, 殷冬来1, 赵泽婷1, 韦芊含1, 陈昕1, 张雨梅1,2   

  1. 1.扬州大学比较医学研究院, 扬州 225009;
    2.江苏省动物重要疫病与人兽共患病防控协同创新中心, 扬州 225009
  • 收稿日期:2018-09-12 出版日期:2019-02-25 发布日期:2021-01-29
  • 作者简介:陈林中日(1994-),女,硕士,主要从事兽医药理与毒理学研究。E-mail:691542955@qq.com.
  • 基金资助:
    江苏高校优势学科建设工程资助项目

The Silence Effect of siRNA Sequences Targeting on Vegf/Vegfr Genes in Rat Endothelial Cells

CHEN Lin-zhong-ri1, YIN Dong-lai1, ZHAO Ze-ting1, WEI Qian-han1, CHEN Xin1, ZHANG Yu-mei1,2   

  1. 1. Institute of Comparative Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, China;
    2. Jiangsu Coinnovation Center for Prevention and Control of Important AnimalInfectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, China
  • Received:2018-09-12 Online:2019-02-25 Published:2021-01-29

摘要: 目的 筛选靶向血管内皮生长因子/血管内皮生长因子受体(Vegf/Vegfr)基因的siRNA序列,有效沉默大鼠Vegf/Vegfr基因的表达。方法 根据大鼠Vegf、Vegfr1 (Flt1)、Vegfr2 (Flk1)基因,设计合成了各三个siRNA序列,转染大鼠内皮细胞后,通过RT-PCR、Western blot检测对靶基因的沉默效果。结果 所设计的siRNA有2个序列可有效沉默Vegf的表达,分别有一个序列可有效沉默Flt1和Flk1的表达。结论 所筛选出的靶向Vegf/Vegfr基因的siRNA有效序列,可用于VEGF/VEGFR相关的血管生成研究中。

关键词: 血管内皮生长因子(VEGF), 血管内皮生长因子受体(VEGFR), 小干扰RNA(siRNA), 大鼠

Abstract: Objective The effective siRNA sequences targeting on Vegf/Vegfr were screened for interference the expression of Vegf and Vegfr genes. Methods In this study, three siRNA sequences each gene were designed based on the gene of rat Vegf, Vegfr1 (Flt1) and Vegfr2 (Flk1). The effects of gene silence of these siRNA nucleotides on its target gene were evaluated by Western Blot and RT-PCR after transfection in rat endothelial cells. Result VEGF can be silenced by two siRNA sequences target on Vegf gene, FLT1 and FLK1 can be effectively depressed by one sequence target on Flt1 and Flk1 genes respectively. Conclusion The effective sequences were screened and could be used in angiogenesis research of VEGF/VEGFR signaling.

Key words: Vascular Endothelial Growth Factor (VEGF), VEGF receptor(VEGFR), siRNA, Rat

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