Sex Differences in Human Immunodeficiency Virus Persistence and Reservoir Size During Aging.
HIV reservoir
aging
menopause
sex at birth
Journal
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
ISSN: 1537-6591
Titre abrégé: Clin Infect Dis
Pays: United States
ID NLM: 9203213
Informations de publication
Date de publication:
24 08 2022
24 08 2022
Historique:
received:
22
06
2021
pubmed:
7
10
2021
medline:
30
8
2022
entrez:
6
10
2021
Statut:
ppublish
Résumé
Sex differences in human immunodeficiency virus (HIV) reservoir dynamics remain underexplored. Longitudinal samples from virally suppressed midlife women (n = 59, median age 45 years) and age-matched men (n = 31) were analyzed retrospectively. At each time point, we measured sex hormones (by means of enzyme-linked immunosorbent assay) and cellular HIV DNA and RNA (by means of digital droplet polymerase chain reaction). Number of inducible HIV RNA+ cells, which provides an upper estimate of the replication-competent reservoir, was quantified longitudinally in a different subset of 14 women, across well-defined reproductive stages. Mixed-effects models included normalized reservoir outcomes and sex, time since antiretroviral therapy (ART) initiation, and the sex-by-time interaction as predictors. At ART initiation, women and men had median (interquartile range [IQR]) CD4+ T-cell counts of 204/μL (83-306/μL) versus 238/μL (120-284/μL), respectively; median ages of 45 (42-48) versus 47 (43-51) years; and median follow-up times of 79.2/μL (60.5-121.1/μL) versus 66.2/μL (43.2-80.6/μL) months. We observed a significant decline of total HIV DNA over time in both men and women (P < .01). However, the rates of change differed significantly between the sexes (P < .01), with women having a significantly slower rate of decline than men, more pronounced with age. By contrast, the levels of inducible HIV RNA increased incrementally over time in women during reproductive aging (P < .01). In contrast to men, in whom the HIV reservoir steadily declines with aging, the HIV reservoir in women is more dynamic. Total HIV DNA (including intact and defective genomes) declines more slowly in women than in men, while the inducible HIV RNA+ reservoir, which is highly enriched in replication-competent virus, increases in women after menopause.
Sections du résumé
BACKGROUND
Sex differences in human immunodeficiency virus (HIV) reservoir dynamics remain underexplored.
METHODS
Longitudinal samples from virally suppressed midlife women (n = 59, median age 45 years) and age-matched men (n = 31) were analyzed retrospectively. At each time point, we measured sex hormones (by means of enzyme-linked immunosorbent assay) and cellular HIV DNA and RNA (by means of digital droplet polymerase chain reaction). Number of inducible HIV RNA+ cells, which provides an upper estimate of the replication-competent reservoir, was quantified longitudinally in a different subset of 14 women, across well-defined reproductive stages. Mixed-effects models included normalized reservoir outcomes and sex, time since antiretroviral therapy (ART) initiation, and the sex-by-time interaction as predictors.
RESULTS
At ART initiation, women and men had median (interquartile range [IQR]) CD4+ T-cell counts of 204/μL (83-306/μL) versus 238/μL (120-284/μL), respectively; median ages of 45 (42-48) versus 47 (43-51) years; and median follow-up times of 79.2/μL (60.5-121.1/μL) versus 66.2/μL (43.2-80.6/μL) months. We observed a significant decline of total HIV DNA over time in both men and women (P < .01). However, the rates of change differed significantly between the sexes (P < .01), with women having a significantly slower rate of decline than men, more pronounced with age. By contrast, the levels of inducible HIV RNA increased incrementally over time in women during reproductive aging (P < .01).
CONCLUSIONS
In contrast to men, in whom the HIV reservoir steadily declines with aging, the HIV reservoir in women is more dynamic. Total HIV DNA (including intact and defective genomes) declines more slowly in women than in men, while the inducible HIV RNA+ reservoir, which is highly enriched in replication-competent virus, increases in women after menopause.
Identifiants
pubmed: 34612493
pii: 6382188
doi: 10.1093/cid/ciab873
pmc: PMC9402699
doi:
Substances chimiques
RNA
63231-63-0
Types de publication
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
73-80Subventions
Organisme : NIAID NIH HHS
ID : UM1 AI069423
Pays : United States
Organisme : NHLBI NIH HHS
ID : U01 HL146245
Pays : United States
Organisme : NICHD NIH HHS
ID : R21 HD094646
Pays : United States
Organisme : NIAID NIH HHS
ID : P30 AI036214
Pays : United States
Organisme : NIAID NIH HHS
ID : UM1 AI068636
Pays : United States
Organisme : NIMH NIH HHS
ID : P30 MH062512
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI154541
Pays : United States
Informations de copyright
© The Author(s) 2021. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: journals.permissions@oup.com.
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