Host genomics of the HIV-1 reservoir size and its decay rate during suppressive antiretroviral treatment

Author:

Thorball Christian W.ORCID,Borghesi AlessandroORCID,Bachmann Nadine,von Siebenthal ChantalORCID,Vongrad ValentinaORCID,Turk TejaORCID,Neumann KathrinORCID,Beerenwinkel Niko,Bogojeska JasminaORCID,Roth Volker,Kok Yik Lim,Parbhoo SonaliORCID,Wieser Mario,Böni Jürg,Perreau Matthieu,Klimkait Thomas,Yerly Sabine,Battegay Manuel,Rauch Andri,Schmid Patrick,Bernasconi Enos,Cavassini MatthiasORCID,Kouyos Roger D.ORCID,Günthard Huldrych F.,Metzner Karin J.,Fellay JacquesORCID,

Abstract

ABSTRACTIntroductionA major hurdle to HIV-1 eradication is the establishment of a latent viral reservoir early after primary infection. Several factors are known to influence the HIV-1 reservoir size and decay rate on suppressive antiretroviral treatment (ART), but little is known about the role of human genetic variation.MethodsWe measured the reservoir size at three time points over a median of 5.4 years, and searched for associations between human genetic variation and two phenotypic readouts: the reservoir size at the first time point and its decay rate over the study period. We assessed the contribution of common genetic variants using genome-wide genotyping data from 797 patients with European ancestry enrolled in the Swiss HIV Cohort Study and searched for a potential impact of rare variants and exonic copy number variants using exome sequencing data generated in a subset of 194 study participants.ResultsGenome- and exome-wide analyses did not reveal any significant association with the size of the HIV-1 reservoir or its decay rate on suppressive ART.ConclusionsOur results point to a limited influence of human genetics on the size of the HIV-1 reservoir and its long-term dynamics in successfully treated individuals.

Publisher

Cold Spring Harbor Laboratory

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