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Toll样受体与梅毒免疫 被引量:4

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摘要 Toll样受体家族是新近发现的天然免疫受体,其功能为识别各种病原微生物,通过信号传导,激活免疫细胞。该家族中Toll样受体2能识别梅毒螺旋体膜脂蛋白,并经MyD88途径活化核因子-κB,既激活单核细胞引起天然免疫又促使树突状细胞成熟,进而提呈抗原启动获得性免疫。因此Toll样受体2作为桥梁,联系了梅毒螺旋体天然免疫和获得性免疫过程。Toll样受体2传导的信号不仅能激活单核细胞同时也可使其凋亡,这种双向作用对于维持免疫平衡和调节炎症反应强度具有重要意义。
作者 汪盛 张谊芝
出处 《国外医学(皮肤性病学分册)》 2005年第3期139-141,共3页 Foreign Medical Sciences(Section of Dermatology and Venereology)
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