Abstract

Revolutionary progress in combinational antiretroviral therapy has transformed human immunodeficiency virus (HIV) infection into a chronic manageable disease; yet, there exists an uneasy truce between the virus and the immune cells, where inflammation is limited but infection continues to fester from latent reservoirs of the virus. Clinical studies have identified the major immune cell types that constitute the latent HIV-1 reservoirs as monocytes/macrophages and CD4+ T cells. Latency probing approaches have thrown some light on the interaction between the virus and the reservoir cells from the time of onset of infection. However, research combining latency reversal strategies and immunotherapies face daunting obstacles in clinical trials because of the lack of in-depth knowledge on viral pathogenesis and mechanisms of viral evasion, leaving us behind in the battle for HIV cure. This article reviews existing knowledge on the cells and mechanisms that contribute to the establishment and survival of HIV reservoirs in infected individuals.

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