Changes in markers of T-cell senescence and exhaustion with atazanavir-, raltegravir-, and darunavir-based initial antiviral therapy: ACTG 5260s

Citation: Kelesidis T, Tran TTT, Stein JH, Brown TT, Moser C, Ribaudo HJ, Dubé MP, Murphy RL, Yang O, Currier JS,  McComsey GA. Changes in markers of T-cell senescence and exhaustion with atazanavir-, raltegravir-, and darunavir-based iinitial antiviral therapy: ACTG 5260s. J Infect Dis. 2016 Sep 1;214(5):748-52. doi: 10.1093/infdis/jiw253. PMID: 27354367. PMCID: PMC4978379.

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https://www.ncbi.nlm.nih.gov/pubmed/27354367

It is unclear whether differential roles of CD4(+) versus CD8(+) T-cell senescence/exhaustion and effects of antiretroviral therapy (ART) on these processes may contribute to morbidity in treated human immunodeficiency virus type 1 (HIV) infection. In a prospective 96-week trial, 328 HIV-infected ART-naive participants were randomly assigned to receive tenofovir-emtricitabine plus either atazanavir/ritonavir, darunavir/ritonavir, or raltegravir. Markers of CD4(+) T-cell senescence (ie, the percentage of CD28(-)CD57(+) cells among CD4(+) T cells ) and CD4(+)/CD8(+) T-cell exhaustion (ie, the percentage of PD-1(+) cells among CD4(+)/CD8(+) T cells) decreased after ART. There were no changes in markers of CD8(+) T-cell senescence after ART and no differential changes in all markers in ART groups. Senescent CD4(+) and CD8(+) T cells may have differential roles in HIV pathogenesis.

J Infect Dis, 2016, 214(5):748-52

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