ArticleBMC infectious diseases2025
Lower immune senescence of T cell subsets among virologically suppressed Chinese men who have sex with men living with HIV in comparison with those ART naive.
Article in BMC infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.
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Who cites it
8 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Telomere length dynamics in adults living with HIV: A systematic review.BMC infectious diseases · 2026Pooled it
- Long-Acting Cabotegravir/Rilpivirine Reduces Immune-Activation and -Senescence in People With HIV With CMV Co-Infection.Immunology · 2026Article
- Immunosenescence and immune dysfunction in treated and untreated HIV-infected individuals.The Indian journal of medical research · 2026Article
- HIV associated immune aging among people living with HIV: implications for long-term antiretroviral therapy and potential HIV cure interventions in sub-Saharan Africa.Frontiers in immunology · 2026Review
- Humoral and cellular responses to SARS-CoV-2 variants after ancestral COVID-19 vaccines in people with HIV and lung transplant recipients.Clinical & translational immunology · 2026Article
- HIV infection and immunosenescence: challenges and intervention strategies.BMC medicine · 2025Review
- A decreased proportion of naïve MAIT cells is associated with the incomplete immune reconstitution in antiretroviral therapy-treated HIV-1 patients.Virologica Sinica · 2025Article
- Hematological disruptions in HIV-positive individuals with cardiac arrhythmias: a focus on coagulation and inflammation - a narrative review.Annals of medicine and surgery (2012) · 2025Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundImmune senescence can occur in untreated HIV infection and is partially reversible with effective antiretroviral therapy (ART). Here, we investigated the differences in immune senescence of T cell subsets among Chinese men who have sex with men (MSM) living with HIV virologically suppressed on ART compared to those ART-naive.
methodsA cohort of MSM living with HIV with different disease courses was included, untreated viral non-controllers (n = 26) and those on ART (n = 30). The percentages of naive, central memory (TCM), effector memory (TEM), and terminally differentiated memory (TemRA) subsets of CD4 and CD8 T cells were studied, along with markers of senescence (CD28-CD57+) and activation (HLA-DR). Telomere length of naive and memory CD8 T cells was quantified by real-time PCR. The correlation between senescent CD4 and CD8 T cell subsets and CD4 and CD8 cell counts was analyzed with the Spearman rank correlation.
resultsCompared with the ART-naive group, the percentage of senescent cells (CD28- CD57+) in total CD8 T cells was significantly lower in the ART group (P < 0.01). Significant differences were observed among CD8 T cell subsets, but not in CD4 T cell subsets (P < 0.05). In the ART group, the percentage of senescent cells (CD28-CD57+) in TN and TCM subsets of both CD4 and CD8 T cells was lower (all P < 0.05). HLA-DR expression was significantly lower in all CD4 and CD8 T cell subsets except TEMRA subset (P < 0.05). The telomere length of CD8 T cell subsets did not differ significantly between the two groups. The percentage of senescent naive CD4 T cells was inversely correlated with CD4 T cell counts (r = -0.42, P = 0.0343), while the percentage of senescent naive CD8 T cells was positively correlated with CD8 T cell counts (r = 0.47, P = 0.0161) in the ART-naive group, but not in the ART group.
conclusionsVirologically suppressed MSM living with HIV exhibit lower immune senescence of T cell subsets, which is more pronounced for CD8 cell subsets. The percentage of senescent naive T cells is significantly correlated with clinical immunity based on CD4 and CD8 T cell counts.
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