{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T07:17:19Z","timestamp":1792221439122,"version":"4.4.0"},"reference-count":50,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2010,3,1]],"date-time":"2010-03-01T00:00:00Z","timestamp":1267401600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2010,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>KIT activation, through binding of its ligand, stem cell factor, is crucial for normal mast cell growth, differentiation, and survival. Furthermore, KIT may also contribute to mast cell homing and cytokine generation. Activating mutations in KIT lead to the dysregulated mast cell growth associated with the myeloproliferative disorder, mastocytosis. We investigated the potential of downregulating such responses through mast cell inhibitory receptor activation. In this study, we report that the B cell-associated ITIM-containing inhibitory receptor, CD72, is expressed in human mast cells. Ligation of CD72 with the agonistic Ab, BU40, or with recombinant human CD100 (rCD100), its natural ligand, induced the phosphorylation of CD72 with a resulting increase in its association with the tyrosine phosphatase SH2 domain-containing phosphatase-1. This, in turn, resulted in an inhibition of KIT-induced phosphorylation of Src family kinases and extracellular-regulated kinases (ERK1\/2). As a consequence of these effects, KIT-mediated mast cell proliferation, chemotaxis, and chemokine production were significantly reduced by BU40 and rCD100. Furthermore, BU40 and rCD100 also downregulated the growth of the HMC1.2 human mast cell line. Thus, targeting CD72 may provide a novel approach to the suppression of mast cell disease such as mastocytosis.<\/jats:p>","DOI":"10.4049\/jimmunol.0902450","type":"journal-article","created":{"date-parts":[[2010,1,25]],"date-time":"2010-01-25T21:51:51Z","timestamp":1264456311000},"page":"2468-2475","source":"Crossref","is-referenced-by-count":37,"title":["CD72 Negatively Regulates KIT-Mediated Responses in Human Mast Cells"],"prefix":"10.1093","volume":"184","author":[{"given":"Tatsuki R","family":"Kataoka","sequence":"first","affiliation":[{"name":"Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Bethesda, MD 20892"},{"name":"Department of Pathology, Hyogo College of Medicine , Nishinomiya, Hyogo"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Atsushi","family":"Kumanogoh","sequence":"additional","affiliation":[{"name":"Department of Immunopathology, Research Institute for Microbial Diseases"},{"name":"WPI Immunology Frontier Research Center, Osaka University , Suita, Osaka,","place":["Japan"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geethani","family":"Bandara","sequence":"additional","affiliation":[{"name":"Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Bethesda, MD 20892"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dean D","family":"Metcalfe","sequence":"additional","affiliation":[{"name":"Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Bethesda, MD 20892"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alasdair M","family":"Gilfillan","sequence":"additional","affiliation":[{"name":"Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health , Bethesda, MD 20892"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2010,3,1]]},"reference":[{"key":"2026012806291516400_r1","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1038\/nri2072","article-title":"New developments in Fc\u03b5RI regulation, function and inhibition.","volume":"7","author":"Kraft","year":"2007","journal-title":"Nat. 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