解码内质网膜应对冠状细胞的压力 驱动骨关节炎 通过整合单细胞和转录基因剖析来发展骨关节炎
Zhao Zhang1, Debin Cheng1, Jingyi Dang1
1Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, China, 710032.
细胞内膜网膜应激 (ERS) 通过激活未折叠的蛋白质反应和软质细胞的亡,驱动骨关节炎 (OA) 的进展. 关键调节剂IGFBP3和S100A4为OA提供了诊断和治疗潜力.
科学领域:
- 分子生物学分子生物学
- 基因组学就是基因组学.
- 生物化学 生物化学
背景情况:
- 细胞内膜网膜应激 (ERS) 与各种疾病有关.
- 骨关节炎 (OA) 涉及状细胞损伤,但ERS在OA状细胞中的作用尚不清楚.
研究的目的:
- 研究ERS在OA病变发生过程中的作用.
- 确定OA诊断和治疗的关键ERS监管者.
主要方法:
- 集成的单细胞和批量RNA测序 (scRNA-seq,RNA-seq) 用于分析OA胆固醇细胞中的ERS.
- 应用权重基因共同表达网络分析 (WGCNA) 和聚类以确定ERS模式.
- 使用LASSO,随机森林和蛋白质-蛋白质相互作用 (PPI) 分析选的ERS调节器;在体外验证的结果.
主要成果:
- 在高ERS亚群中,ERS与OA进展有着强烈的关联,具有增强的未折叠蛋白质反应,TNFα信号传递和亡.
- 确定了两个关键的ERS调节器,IGFBP3和S100A4,并开发了OA的预测名录.
- 在实验室中抑制IGFBP3通过抑制PERK/ATF4/CHOP通路来维持胆细胞平衡,并降低了亡.
结论:
- 埃尔斯对骨关节炎的发病和进展做出了重大贡献.
- IGFBP3和S100A4是关键的ERS调节器,具有OA诊断和治疗的潜力.
- 准ERS途径为OA提供了一个有前途的治疗策略.
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