Perineural pathway that fuels HIV persistence despite treatment identified

Addressing the question of whether and how immune cells (macrophages) in the central nervous system (CNS) traffic out, researchers have now identified a perineural pathway through which the HIV virus can redistribute throughout the body. The findings from a study in The American Journal of Pathology shed light on how these cells travel from the brain through the body, reseeding HIV and sustaining inflammation despite treatment with antiretroviral therapy.

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