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首页> 外文期刊>Journal of dermatological science >The role of Langerhans cells in the sexual transmission of HIV.
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The role of Langerhans cells in the sexual transmission of HIV.

机译:朗格汉斯细胞在艾滋病毒的性传播中的作用。

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摘要

Sexual transmission of HIV is the most common mode of infection in the global HIV epidemic. In the absence of an effective vaccine, there is an urgent need for additional strategies to prevent new HIV infections. An emerging body of evidence now indicates that Langerhans cells (LC) are initial cellular targets in the sexual transmission of HIV, and CD4- and CCR5-mediated infection of LC plays a crucial role in virus dissemination. However, interactions between HIV and LC are complex. For example, it is evident that HIV can interact concomitantly with non-LC dendritic cells in two separate and distinct ways: a CD4- and CCR5-dependent infection pathway and a CD4- and CCR5-independent capture pathway mediated by DC-SIGN, a C-type lectin molecule. Thus, there may be multiple ways by which HIV interacts with target cells in the genital mucosa. This review focuses on the recent advances regarding the cellular events that may occur during heterosexual transmission of HIV.
机译:HIV的性传播是全球HIV流行中最常见的感染方式。在没有有效疫苗的情况下,迫切需要采取其他策略来预防新的HIV感染。现在越来越多的证据表明,朗格汉斯细胞(LC)是HIV有性传播的初始细胞靶标,而CD4和CCR5介导的LC感染在病毒传播中起着至关重要的作用。但是,HIV和LC之间的相互作用非常复杂。例如,很明显,HIV可以通过两种不同的方式与非LC树突状细胞同时发生相互作用:依赖于CD4和CCR5的感染途径以及依赖DC-SIGN介导的不依赖CD4和CCR5的捕获途径。 C型凝集素分子。因此,HIV可以通过多种方式与生殖器粘膜中的靶细胞相互作用。这项审查集中在有关艾滋病毒异性传播过程中可能发生的细胞事件的最新进展。

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