在体内功能和血管系统中聚酸盐的调节
Wen-Chan Huang1, Reiner K Mailer1, Thomas Renné1,2,3
1Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Current opinion in hematology
|July 17, 2023
概括
多酸盐在哺乳动物中起到促凝和促炎媒介的作用. 中和这种无机聚合物可以提供血栓保护,而不会影响血静,类似于XII因子缺乏.
科学领域:
- 生物化学 生化学
- 免疫学 免疫学 免疫学
- 血液学 血液学 血液学
背景情况:
- 聚酸盐是一种在生物体中发现的无机聚合物,在哺乳动物中扮演着新兴的角色.
- 虽然在植物,细菌和酵母菌中进行了研究,但哺乳动物的多酸盐功能尚未完全理解.
研究的目的:
- 审查多酸盐在哺乳动物中的新兴作用.
- 了解天然聚酸盐的促凝和促炎功能.
主要方法:
- 对自然多酸盐的ex-vivo研究的审查.
- 对细胞表面上的Ca2+/多酸盐聚合物的分析.
- 研究聚酸盐抑制剂及其对血栓形成和血液静止的影响.
主要成果:
- 自然聚酸盐与Ca2+复合,形成微粒,激活XII因子驱动的接触系统.
- 这种激活通过kallikrein kinin系统和内在凝结途径触发了促炎和促凝反应.
- 多酸盐抑制剂显示出对血栓保护的潜力,模仿XII因子缺乏,并可能在HIT和VITT等自身免疫性血栓性疾病中发挥作用.
结论:
- 多酸盐作为促凝剂和促炎媒介的功能.
- 聚酸盐的中和提供了耐受性良好的血栓保护,与XII因子缺乏症相当.
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