[2 cases of Salmonella Meningitis].
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Biomedical subjects
Publications and source records attributed to D Agnello.
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Administration of interleukin IL-1 induces acute-phase response and inhibition of gastric secretion more efficiently when administered intracerebroventricularly (i.c.v.) than when the same dose of IL-1 is administered systemically. In this study we describe the pharmacokinetics of IL-1beta, administered centrally or systemically, in the serum or in peripheral tissues. IL-1beta administered i.c.v. resulted in higher peak IL-1beta concentrations, and lasted longer, than intravenous (i.v.) or intraperitoneal (i.p.) administration. Higher IL-1beta levels in the liver and heart were observed after i. c.v. administration (compared to the i.p. or i.v. route). Our data suggest that centrally injected IL-1 induces higher circulating and hepatic IL-1 levels and contributes to the fact that the i.c.v. route of administration is particularly effective in inducing a liver acute-phase response.