Sema7a蛋白作用机制研究进展

被引:0
|
作者
赖冬娣 [1 ,2 ,3 ]
钟明璐 [1 ,2 ,3 ]
董涵 [1 ,2 ]
彭伟康 [1 ,2 ,3 ]
魏亚明 [1 ,2 ,3 ]
苑召虎 [1 ,2 ,3 ]
机构
[1] 广州市第一人民医院
[2] 广东省精准输血技术工程研究中心
[3] 广州医科大学输血与血液病研究所
基金
广东省自然科学基金;
关键词
Sema7a; JMH抗原; 整合素; 丛蛋白C1;
D O I
暂无
中图分类号
R341 [];
学科分类号
摘要
信号素家族成员Sema7a,也称为CDw108、JMH抗原,是一种糖基磷脂酰肌醇(glycosylphosphatidylinositol,GPI)锚定的糖蛋白,广泛表达在全身多种组织细胞膜上。Sema7a蛋白可以受酶、血液应切力、缺氧等多种物理化学因素影响,从细胞膜上裂解下来,其中来源于红细胞膜表面的Sema7a蛋白是体内游离Sema7a的主要来源。Sema7a蛋白与两种已知的受体——整合素和丛蛋白C1(Plexin C1)结合或以游离方式参与全身多种生物活动过程,在细胞分化、神经信号转导、免疫应答、炎症调节及肿瘤进展等方面具有重要作用。本文根据系统疾病分类,对Sema7a蛋白参与不同疾病发生、发展的机制进行了叙述和总结。
引用
收藏
页码:234 / 246
页数:13
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