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在ART期间,HIV-1感染的T细胞克隆在脑脊液和血液中共享

Meng Wang¹, Jennifer Yoon², Hailey Reisert²

¹Program in Computational Biology and Bioinformatics, Yale University, New Haven, Connecticut, USA.

|April 8, 2024

概括

中枢神经系统 (CNS) 的HIV储备是治愈HIV的关键障碍. 这项研究揭示了中枢神经系统和血液中的T细胞中的HIVRNA,这表明受感染的细胞在这些区间之间移动,并为持久的HIV储存物作出贡献.

科学领域:

神经科学是一个神经科学.
免疫学免疫学免疫学
病毒学病毒学

背景情况:

中枢神经系统 (CNS) 的艾滋病毒储存库仍然不太了解.
它代表了实现治愈艾滋病毒感染的重大障碍.

研究的目的:

调查HIV在中枢神经系统中的持久性动态.
描述中枢神经系统HIV储存库的细胞和分子特征.

主要方法:

使用单细胞转录和T细胞受体 (TCR) 测序.
对接受抗逆转录病毒疗法 (ART) 的艾滋病毒感染者 (PWH) 和未感染的对照进行了分析.
分析了脑脊液 (CSF) 和血液样本.

主要成果:

在单细胞中检测到HIV-1RNA,主要是CD4中央记忆T细胞,在CSF和ART上PWH的血液中检测到.
含有HIV-1RNA的细胞在CSF中比在血液中更频繁,这表明在某些个体中中枢神经系统储库负担较高.
一组受感染的CD4T细胞克隆 (22%) 在CSF和血液中都存在,这表明存在区间间贩运.

结论:

受感染的T细胞可以在中枢神经系统和血液区间之间传播.
感染的T细胞克隆的维护和扩张有助于中枢神经系统的HIV储存库.
了解这些动态对于制定消除艾滋病毒储存库的战略至关重要.

关键词:

艾滋病/艾滋病病毒/艾滋病病毒免疫学免疫学免疫学 T细胞受体受体的 T 细胞受体.

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