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LPS-induced serum levels of TNF-α, IL-1β, and IL-10 in HIV-1Tg rats. Serum levels of TNF-α, IL-1β, and IL-10 from HIV-1Tg and F344 rats were measured by ELISA 2 h following an i.p. injection with either saline or LPS (250 μg/kg). n = 3; *, P < 0.05 compared to saline treatment; ^, P < 0.05 compared to saline-treated F344 rats.
