alexa Interleukin-1 mediates the behavioral hyperalgesia produced by lithium chloride and endotoxin.


Journal of Addiction Research & Therapy

Author(s): Maier SF, Wiertelak EP, Martin D, Watkins LR

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Abstract The sickness-inducing agents lithium chloride (LiCl) and lipopolysaccharide (LPS) produce a long-lasting facilitation of the nociceptive tailflick reflex. Many of the behavioral and physiological changes produced by illness are mediated by interleukin-1 (IL-1) released from monocytes stimulated by the pathogenic substance. Monocytes also produce an IL-1 receptor antagonist (IL-1ra) which has been sequenced and cloned. The present experiments report that IL-1 can itself produce hyperalgesia as assessed by tailflick to radiant heat, and that recombinant IL-1ra blocks the hyperalgesia produced by LiCl and LPS.
This article was published in Brain Res and referenced in Journal of Addiction Research & Therapy

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