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HIV-1辅助蛋白负性调节因子下调细胞膜表面分子的研究进展

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摘要 人类免疫缺陷病毒1(HIV-1)感染机体之后,其辅助蛋白负性调节因子(Nef)可以通过其功能不同的结构域,以不同的机制,对靶细胞表面的多种细胞膜分子进行调节,同时增强病毒的感染力和抑制抗体类别转换。这些机制使得HIV-1侵染的靶细胞避免超感染,保证HIV-1在宿主细胞合适而稳定的环境中进行增殖、完成生命周期,从而实现HIV-1在人体内的长期潜伏和免疫逃逸。本文综述了Nef的结构域以及其下调多种靶细胞膜表面分子CD4、MHC-Ⅰ、CC趋化因子受体5(CCR5)、CXC趋化因子受体4(CXCR4)等的机制,以期加深对Nef蛋白功能的理解,为HIV-1的防治提供新的理论线索。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2015年第6期848-852,共5页 Chinese Journal of Cellular and Molecular Immunology
基金 国家自然科学基金(81370394)
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参考文献33

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