alexa Blockade of interleukin-1 induced hyperthermia by subdiaphragmatic vagotomy: evidence for vagal mediation of immune-brain communication.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Clinical & Experimental Pharmacology

Author(s): Watkins LR, Goehler LE, Relton JK, Tartaglia N, Silbert L,

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Abstract Interleukin-1 beta (IL-1 beta), a cytokine released by activated immune cells, elicits various illness symptoms including hyperthermia. Previous hypotheses to account for these actions have focused on blood-borne IL-1 beta exerting its effects directly at the level of the brain. However, recent behavioral and physiological evidence suggest that IL-1 beta can activate the subdiaphragmatic vagus. The present experiments demonstrate that subdiaphragmatic vagal transection disrupts the hyperthermia-inducing effects of recombinant human IL-1 beta and stress. These data provide evidence for a novel route of immune-brain communication, as well as a novel route whereby stress can influence physiological processes.
This article was published in Neurosci Lett and referenced in Journal of Clinical & Experimental Pharmacology

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