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HIV rebound is predominantly fueled by genetically identical viral expansions from diverse reservoirs

Tijdschriftbijdrage - Tijdschriftartikel

Viral rebound upon stopping combined antiretroviral therapy poses a major barrier toward an HIV cure. Cellular and anatomical sources responsible for reinitiating viral replication remain a subject of ardent debate, despite extensive research efforts. To unravel the source of rebounding viruses, we conducted a large-scale HIV-STAR (HIV-1 sequencing before analytical treatment interruption to identify the anatomically relevant HIV reservoir) clinical trial. We collected samples from 11 participants and compared the genetic composition of (pro)viruses collected under treatment from different cellular and anatomical compartments with that of plasma viruses sampled during analytical treatment interruption. We found a remarkably heterogeneous source of viral rebound. In addition, irrespective of the compartment or cell subset, genetically identical viral expansions played a significant role in viral rebound. Our study suggests that although there does not seem to be a primary source for rebound HIV, cellular proliferation is an important driver of HIV persistence and should therefore be considered in future curative strategies.
Tijdschrift: CELL HOST & MICROBE
ISSN: 1934-6069
Issue: 3
Volume: 26
Pagina's: 347 - 358
Jaar van publicatie:2019
BOF-keylabel:ja
IOF-keylabel:ja
BOF-publication weight:10
CSS-citation score:2
Auteurs:International
Authors from:Higher Education
Toegankelijkheid:Closed