血小板蛋白质组揭示了伪皮综合征中高凝血的新目标
Elif Ugurel1,2, Ghazal Narimanfar1, Neslihan Cilek1,2
1Research Center for Translational Medicine (KUTTAM), Koc University, Istanbul 34450, Turkey.
International journal of molecular sciences
|February 10, 2024
概括
伪脱皮综合征 (PEX) 与血块形成障碍和较高的P-选择素水平有关,增加了血栓形成的风险. 监测凝块形成时间和P-选择素可能有助于评估PEX患者的风险.
科学领域:
- 眼科医生 眼科 眼科
- 血液学 血液学 血液学
- 蛋白质组学是指蛋白质组学.
背景情况:
- 伪脱皮综合征 (PEX) 涉及到眼睛和非眼睛组织中异常的细胞外基质沉积.
- 凝块形成功能障碍是PEX患者静脉血栓形成的潜在原因.
研究的目的:
- 在PEX患者中调查全球凝血,血小板蛋白质和血小板功能.
- 为了确定PEX中血栓形成风险的预后生物标志物.
主要方法:
- 分析了PEX,视网膜静脉封闭 (RVO) 患者和对照组的外周血液.
- 粘弹性血静被评估使用旋转性血栓弹性仪 (ROTEM).
- 血小板和内皮标记物通过流动细胞计和ELISA进行评估;血小板蛋白质组使用2D光差凝电泳和质谱分析.
主要成果:
- 与对照组相比,PEX患者的凝块形成时间 (CFT) 显著减少.
- 在PEX患者中,P-选择素水平升高,而E-选择素和·维莱布兰德因子保持不变.
- 在PEX血小板中,Profilin-1的表达有差异,可能会影响actin-cytoskeleton稳定性和血小板功能.
结论:
- 降低CFT和升高的P-选择因水平可能表明PEX中血栓形成风险增加.
- 对CFT和可溶性P-选择素的ROTEM监测可以帮助评估血栓形成风险.
- 普罗菲林-1在血小板功能障碍中的作用需要进一步调查PEX相关的血栓形成.
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