CD127 Expression in Naive and Memory T Cells in HIV Patients Who Have Undergone Long-Term HAART

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Objective: To evaluate cluster of differentiation (CD)127 expression in T cells of patients with HIV-1 and the relationship of CD127 expression with disease progression.

Methods: We divided 139 patients infected with human immunodeficiency virus type 1 (HIV-1) who had undergone highly active antiretroviral therapy (HAART) into 3 groups: patients with poor recovery (CD4+T < 350/μ;L, patients with general recovery (CD4+T =  350 – ∼600/μL) and patients with good recovery (CD4+T > 600/μL). Counts and percentages of naïve (CD45RA+) and memory (CD45RO+) T cells and CD127 expression were determined using flow cytometry.

Results: CD4+CD45RO+, CD4+CD45RA+, CD4+ CD45RO+ CD127+, and CD4+CD45RA+CD127+T-cell counts in patients with good recovery were higher than in patients with poor recovery and those with general recovery patients (P <.05). Percentages of CD45RO+ were increased, and percentages of CD45RA+ and CD127 in T cells were decreased in patients with poor and general recovery (P <.05). CD127 values were positively correlated with CD4+T-cell counts and percentages of CD45RA+ subsets (P <.05).

Conclusion: CD127 expression in T cells is decreased in patients with HIV-1 and is related to recovery of CD4+T-cell counts and to naïve subsets.

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