How immune cells can recognize-and control-HIV when therapy is interrupted

Immune cells that can recognize residual HIV-infected cells in people living with HIV (PLWH) who take antiretroviral therapy (ART) remain active for years, says a new study published today in eLife.

The findings also suggest the majority of these , called CD8+ T cells, should have the capacity to detect the HIV-infected cells that drive HIV-1 rebound following interruptions to treatment. This insight could contribute to the development of new curative strategies against HIV infection.

ART has transformed HIV-1 from a fatal disease to a chronic condition in PLWH. However, it must be taken by those with the infection for the rest of their lives, as interrupting treatment often allows the to rebound within weeks. This rebound results from cells harboring HIV-1 DNA that is integrated into the human genome.

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