在体外和在患有大动脉动脉瘤和剖析的患者中,VE-cadherin流出
Paul Stammer1, Inka Terhorst1, Jiangang Guo1,2
1Clinic for Vascular and Endovascular Surgery, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany.
Scientific reports
|November 5, 2024
概括
溶性VE-cadherin (sVEC) 脱落与血管疾病中的TNF-α和ADAM10/17有关. 虽然sVEC水平在大动脉疾病和其他疾病中没有显著差异,但它们的相关性突显了大动脉病理生理学中的作用.
科学领域:
- 心血管生物学 心血管生物学
- 内皮细胞生物学 内皮细胞生物学
- 保护酶的功能 保护酶的功能
背景情况:
- VE-cadherin (VEC) 对于血管平衡至关重要.
- 在血管疾病期间,蛋白酶ADAM10/17在对TNF-α的反应中释放VEC.
- 可溶性VEC (sVEC) 碎片是内皮屏障分解的潜在标志物.
研究的目的:
- 研究sVEC产生与ADAM10/17和TNF-α的特异性和联系.
- 确定sVEC作为大动脉疾病的特定生物标志物的作用.
- 在患有大动脉动脉瘤/解剖症的患者中比较sVEC水平与大动脉狭窄/静脉缩.
主要方法:
- 在患者中测量了sVEC,TNF-α,ADAM10和专蛋白的血水平.
- 使用了用TNF-α或蛋白酶抑制剂治疗的人类大动脉内皮细胞 (HAEC).
- 通过使用德克斯进行透性测试,评估HAEC单层完整性.
主要成果:
- 在体外,TNF-α诱导了依赖于ADAM10/17的VEC脱落,改变了内皮透气性.
- 血sVEC水平在患有大动脉剖析,动脉瘤,大脑管狭窄和静脉的患者中是相似的.
- 血sVEC水平与TNF-α和ADAM10正相关,特别是在慢性大动脉剖析中.
结论:
- 维埃克的分泌和sVEC的血水平受到TNF-α和ADAM10/17的影响.
- 这些因素可能在大动脉疾病的病理生理学中发挥重要作用.
- 作为大动脉疾病的特定生物标志物,sVEC的实用性需要进一步研究.
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