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Determinants of HIV-1 CD4-Independent Brain Adaptation

机译:HIV-1 CD4独立脑适应的决定因素

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Background: HIV-1 is known to adapt to the local environment in its usage of receptors, and it can become CD4 independent in the brain where the receptor is scarce. This adaptation is through amino acid variations, but the patterns of such variation are not yet well understood. Given that infection of long-lived CD4-low and CD4-negative cells in anatomical compartments such as the brain expands cell tropism in vivo and may serve as potential viral reservoirs that pose challenge for HIV eradication, understanding the evolution to CD4 independence and envelope conformation associated with infection in the absence of CD4 will not only broaden our insights into HIV pathogenesis but may guide functional cure strategies as well.
机译:背景:已知HIV-1在使用受体时会适应当地环境,并且在受体稀缺的大脑中,它可以成为CD4独立的。这种适应是通过氨基酸变异来实现的,但这种变异的模式还不清楚。考虑到在大脑等解剖隔间中长期存活的CD4低和CD4阴性细胞的感染扩大了体内的细胞趋向性,并可能成为潜在的病毒储库,对根除艾滋病毒构成挑战,了解在没有CD4的情况下,与感染相关的CD4独立性和包膜构象的演变,不仅可以拓宽我们对HIV发病机制的认识,而且还可以指导功能性治疗策略。

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