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中性粒细胞迁移参与了复合人体组织等离子体激活剂的副作用
Yuyou Huang1, Ziping Han1, Tong Shen1
1Department of Neurology and Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China.
重组人体组织等离子体激活剂 (rtPA) 通过增加缺血性中风期间的中性粒细胞透,恶化血脑屏障损伤. 中性粒细胞是中风损伤的关键参与者,可能是治疗点.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 血管生物学 血管生物学
背景情况:
- 缺血性中风具有有限的治疗选择,重组人体组织等离子体激活剂 (rtPA) 是主要的重化疗法.
- 在接受rtPA治疗的患者中,近50%的患者发生无效的再注血,原因不明.
- 中性粒细胞与rtPA血栓溶解结果有关,可能是通过中性粒细胞外陷.
研究的目的:
- 为了研究rtPA对中性粒细胞的非血栓解压作用.
- 为了阐明中性粒细胞对缺血性中风中无效的再输血的贡献.
主要方法:
- 评估了rtPA对大鼠中脑动脉堵塞的影响.
- 在大脑缺血症 (MCI) 患者体外和体内评估中性粒细胞透和激活.
主要成果:
- rtPA治疗增加了中性粒细胞透到大脑的微血管.
- 在缺血期间,rtPA会加剧血脑屏障损伤.
- 在接受rtPA治疗后,患有MCI的患者中,中性粒细胞数量增加.
结论:
- 中性粒细胞显著导致缺血损伤和血脑屏障破坏.
- 向中性粒细胞是一个潜在的治疗策略,可以改善中风的结果.
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