Elevations in IL-10, TNF-α, and IFN-γfrom the Earliest Point of HIV Type 1 Infection

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Abstract
Perturbations of plasma IL-10, IL-12, IL-13, TNF-α, and IFN-γ were measured longitudinally in HIV-1 seroconverting plasma donors and were compared to subjects with symptomatic primary HIV-1 infection. Control groups included uninfected patients with symptoms and risks for primary HIV-1, healthy controls, and asymptomatic plasma donors with primary HCV. IL-10, TNF-α, and IFN-γ rapidly rose in acute HIV-1 infection, while IL-13 predominated in acute HCV. Subjects with symptomatic primary HIV-1 had higher cytokine levels than asymptomatic subjects, statistically significant for TNF-α. Cytokine alterations occurred within 7 days of detectable HIV-1 viremia, emphasizing the need to study the earliest events of infection.