Our results indicate that viremia and nadir CD4 T cells are important prognostic markers of B-cell perturbations and provide evidence that resting memory B-cell depletion during chronic infection is not reverted upon successful antiretroviral therapy.
Fas is regulated by the concerted action of viraemia, lymphopenia and T-cell activation during HIV-1 infection, and Fas expression is altered on all peripheral B-cell subsets. Resting memory B-cell homeostasis shows the highest sensitivity to HIV-1-induced perturbations.
Control of HIV-1 viremia through antiretroviral treatment appears to be crucial in decreasing the expansion and alteration of immature-transitional B-cells.
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