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胎盘胶原样凝集素1研究进展

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摘要 胎盘胶原样凝集素1(collectin placenta-1)即C型凝集素样清道夫受体,是一种Ⅱ型膜蛋白,其蛋白结构域融合胶原样凝集素和A型清道夫受体的结构特征,包括螺旋卷曲区、胶原样区、糖识别区(C型凝集素糖识别区)、颈区、胞浆区和跨膜区。胎盘胶原样凝集素1不仅能通过糖识别区和胶原样区的负电荷位点与病原微生物的糖类抗原结合直接发挥宿主防御功能,还能激活旁路补体途径间接参与机体固有免疫。此外,胎盘胶原样凝集素1通过摄取ox-LDL和清除β-淀粉样蛋白分别参与动脉粥样硬化和阿尔茨海默病的病理过程。
出处 《中南医学科学杂志》 CAS 2015年第4期469-472,共4页 Medical Science Journal of Central South China
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