Lung HIV-specific CD4+ T cells from a representative HIV+COPD+ subject exhibit diminished multifunctional capacity compared with an HIV+COPD? individual (Figure 3A)

Lung HIV-specific CD4+ T cells from a representative HIV+COPD+ subject exhibit diminished multifunctional capacity compared with an HIV+COPD? individual (Figure 3A). functional exhaustion. Moreover, lung CD4+ T cells from HIV+COPD+ patients demonstrated increased basal and HIV antigen-induced expression of the