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Peripheral corticotropin-releasing hormone and urocortin in the control of the immune response
Authors:Baigent S M
Institution:School of Animal and Microbial Sciences, University of Reading, Whiteknights, RG6 6AJ, Reading, United Kingdom. s.m.baigent@reading.ac.uk
Abstract:Immunological and cellular stress signals trigger the release of corticotropin-releasing hormone (CRH) from the spleen, thymus and inflamed tissue. In vivo and in vitro studies generally suggest that peripheral, immune CRH has pro-inflammatory effects and acts in a paracrine manner by binding to CRH-R1 and CRH-R2 receptors on neighboring immune cells. However, it now seems likely that some of the suggested pro-inflammatory actions of CRH may be attributed to novel CRH-like peptides or to the related peptide, urocortin, which is also present in immune cells and has especially high affinity for CRH-R2 receptors.
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