内皮细胞释放的CD93有助于在异常性性综合征中导致细胞损伤
Colin Bauer1, Federica Piani1,2, Jonathan Troost3
1Department of Pediatrics, Section of Pediatric Nephrology, Children's Hospital Colorado, Aurora, CO 80045, USA.
Science translational medicine
|January 14, 2026
概括
可溶性CD93,一种在内皮中发现的蛋白质,有助于在异常性性综合征 (INS) 中导致细胞损伤. 在临床前模型中,阻断CD93减少了损伤,在INS患者中,高尿CD93水平与更糟糕的结果相关.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 免疫学 免疫学 免疫学
- 细胞生物学 细胞生物学
背景情况:
- 异常性性综合征 (INS) 是一种涉及免疫因子和内皮激活的 podocyte 疾病.
- 活化内皮质,特别是CD93蛋白对INS中细胞损伤的贡献尚不清楚.
研究的目的:
- 为了研究CD93在细胞损伤中的作用,在异常性性综合征.
- 为了确定CD93阻断是否可以减轻细胞损伤和疾病进展.
主要方法:
- 从460名INS患者和150名其他podocytopathies患者的组织,尿液和血清中分析CD93表达.
- 在体外和体内实验中测试CD93阻断功效的实验.
- 评估可溶性CD93水平和与人类INS临床结果的相关性.
主要成果:
- 在INS患者中,CD93被质内皮细胞高度表达,并由刺激的内皮细胞释放.
- 可溶性CD93通过β1整合蛋白/FAK信号传递促进了细胞激活.
- 在临床前模型中,CD93阻断减少了细胞激活,白蛋白尿和损伤.
- 在INS患者中,尿液中高的CD93水平与功能下降的速度更快,治疗反应更慢相关.
结论:
- 可溶性CD93是异常性性综合征中细胞损伤的关键媒介.
- CD93阻塞显示了综合征的治疗潜力.
- 尿液CD93可以作为一种生物标志物,用于INS的疾病活动和预后.
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