在子宫内膜异位症中,ECM1促进迁移和入侵
Chen Zhang1, Hongyan Cheng1, Xue Ye1
1Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China.
细胞外矩阵蛋白1 (ECM1) 在子宫内膜异位症组织中升高,促进细胞迁移和入侵. ECM1的淘汰会影响诸如RhoC/ROCK1之类的关键通路,这表明它在疾病进展中的作用.
科学领域:
- 生殖生物学 生殖生物学
- 分子生物学分子生物学
- 细胞生物学 细胞生物学
背景情况:
- 细胞外矩阵蛋白1 (ECM1) 与瘤发生有关.
- 在子宫内膜异位症 (EM) 中ECM1的作用仍然在很大程度上未被探索.
- 子宫内膜异位症是一种以子宫内膜组织在子宫外生长为特征的疾病.
研究的目的:
- 研究子宫内膜异位症中ECM1的表达和功能.
- 在子宫内膜异位症中识别受ECM1调节的分子通路.
- 探索ECM1作为治疗点的潜力.
主要方法:
- 微阵列分析来自EM患者的顺性 (EU) 和异性 (EC) 子宫内膜组织.
- 在人类子宫内膜细胞 (hEM15A) 中,siRNA介导的ECM1的淘汰.
- 生物信息学分析包括基因本体学 (GO) 和蛋白质-蛋白质相互作用 (PPI) 网络构建.
主要成果:
- 与EC和正常子宫内膜 (NE) 组织相比,EU组织中的ECM1表达显著更高.
- 抑制ECM1降低了细胞迁移和入侵,改变了F-actin细胞骨分布.
- 在ECM1敲除过程中,确定了161个差异表达基因 (DEG),与9个GO术语相关.
- 在ECM1中,降低了Radixin (RDX),RhoC,ROCK1,N-cadherin和β-catenin的表达.
结论:
- 在子宫内膜异位症患者的eutopic子宫内膜组织中,ECM1被上调.
- 在子宫内膜异位症中,ECM1有助于细胞迁移,入侵和F-actin重组.
- ECM1可能通过RhoC/ROCK1信号通路发挥其作用,影响参与细胞粘附和运动的关键蛋白质.
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