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Progressive HIV infection is marked with reduced frequency and impaired function of Th17 cells. Since T-cell functional responses are regulated by various inhibitory receptors; we examined the expression profile of CTLA-4, PD-1, Tim-3 and apoptotic marker: Caspase-3 on virus-specific Th17 cells from HIV-infected Long-Term Non-Progressors (LTNPs), chronic disease progressors and HIV-uninfected healthy...