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Neurokinin 1 receptor isoforms and the control of innate immunity
Ist Teil von
Trends in immunology, 2009-06, Vol.30 (6), p.271-276
Ort / Verlag
England: Elsevier Ltd
Erscheinungsjahr
2009
Quelle
Elsevier ScienceDirect Journals
Beschreibungen/Notizen
Substance P is the prototype tachykinin peptide and triggers a variety of biological effects in both the nervous and immune system. Two naturally occurring variants of the neurokinin 1 receptor (NK1R) mediate the effects of SP: a ‘classic’ full-length receptor and a truncated (tail-less) form that lacks 96 amino acid residues at the C-terminus. Most research has focused on the full length receptor and the truncated NK1R has not been extensively explored. Recent data demonstrate that truncated NK1R has important functional roles, including modulation of responses triggered by cytokines, chemotaxis of macrophages and regulation of HIV replication. Targeting the truncated NK1R with pharmacologic agents might result in novel therapeutic approaches in diseases which affect the immune system, including HIV disease.