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• W4286560355 endingPage "544" @default.
• W4286560355 startingPage "532" @default.
• W4286560355 abstract "Objective Human immunodeficiency virus (HIV) persistence in blood and tissue reservoirs, including the brain, is a major barrier to HIV cure and possible cause of comorbid disease. However, the size and replication competent nature of the central nervous system (CNS) reservoir is unclear. Here, we used the intact proviral DNA assay (IPDA) to provide the first quantitative assessment of the intact and defective HIV reservoir in the brain of people with HIV (PWH). Methods Total, intact, and defective HIV proviruses were measured in autopsy frontal lobe tissue from viremic (n = 18) or virologically suppressed (n = 12) PWH. Total or intact/defective proviruses were measured by detection of HIV pol or the IPDA, respectively, through use of droplet digital polymerase chain reaction (ddPCR). HIV‐seronegative individuals were included as controls (n = 6). Results Total HIV DNA was present at similar levels in brain tissues from untreated viremic and antiretroviral (ART)‐suppressed individuals (median = 22.3 vs 26.2 HIV pol copies/10 6 cells), reflecting a stable CNS reservoir of HIV that persists despite therapy. Furthermore, 8 of 10 viremic and 6 of 9 virally suppressed PWH also harbored intact proviruses in the CNS (4.63 vs 12.7 intact copies/10 6 cells). Viral reservoirs in CNS and matched lymphoid tissue were similar in the composition of intact and/or defective proviruses, albeit at lower levels in the brain. Importantly, CNS resident CD68+ myeloid cells in virally suppressed individuals harbored HIV DNA, directly showing the presence of a CNS resident HIV reservoir. Interpretation Our results demonstrate the first evidence for an intact, potentially replication competent HIV reservoir in the CNS of virally suppressed PWH. ANN NEUROL 2022;92:532–544" @default.
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• W4286560355 date "2022-08-09" @default.
• W4286560355 modified "2023-10-18" @default.
• W4286560355 title "Intact HIV Proviruses Persist in the Brain Despite Viral Suppression with ART" @default.
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• W4286560355 doi "https://doi.org/10.1002/ana.26456" @default.
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