Role of substance P in immediate-type skin reactions induced by staphylococcal enterotoxin B in unsensitized monkeys

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Abstract

The staphylococcal enterotoxin B (SEB)-induced immediate-type skin reaction in unsensitized monkeys was used as a nonimmunologic mast cell stimulation to search for possible involvement of local neural mechanisms. Evidence is presented that substance P (SP) plays a predominant role in mediating intradermal SEB challenge in unsensitized monkeys. With a rabbit SP antiserum directed against the C-terminal region of SP, a concentration-dependent inhibition of SEB-induced skin reactivity could be demonstrated. Furthermore, a rabbit antiserum directed against the mast cell activating N-terminal part of SP was capable of impeding SEB-induced skin reactions totally. By use of SP antagonists, significant reduction of skin reactions evoked by SEB was found. Finally, capsaicin pretreatment of the skin caused a substantial inhibition of SEB-induced skin reactivity. These data suggest that SEB exerts its effect on cutaneous mast cells via stimulation of primary sensory neurons that contain SP. Moreover, a new in vivo model is described for studies of nerve-mast cell interactions. © 1989.

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APA

Alber, G., Scheuber, P. H., Reck, B., Sailer-Kramer, B., Hartmann, A., & Hammer, D. K. (1989). Role of substance P in immediate-type skin reactions induced by staphylococcal enterotoxin B in unsensitized monkeys. The Journal of Allergy and Clinical Immunology, 84(6 PART 1), 880–885. https://doi.org/10.1016/0091-6749(89)90383-7

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