Researchers have identified a previously unknown mechanism by which HIV-1 fundamentally alters the immune system’s architecture. A landmark study published in Science Translational Medicine reveals that HIV can convert CD4+ helper T cells into CD8+ cells while preserving their original immune memory functions. This cellular transformation represents a paradigm shift in our understanding of T cell biology, challenging the long-held belief that T cell lineage commitment is irreversible once established. The discovery has significant implications for HIV patients who maintain undetectable viral loads through antiretroviral therapy yet continue experiencing immune dysfunction. Scientists believe this conversion mechanism may explain the persistent immunological abnormalities observed in some treated patients, opening new avenues for therapeutic intervention. The findings suggest that effective HIV management may require addressing not only viral suppression but also the restoration of normal T cell biology. Read the full article on GMJ Newsroom.
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