Title : Functional characterization of receptor-type protein tyrosine phosphatase CD148 (HPTP eta/DEP-1) in Fc gamma receptor IIa signal transduction of human neutrophils.

Pub. Date : 1997 Dec

PMID : 9464844






6 Functional Relationships(s)
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Protein Name
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1 Activation of the 40-kDa low-affinity receptor for IgG (Fc gammaRIIa, CD32) leads to tyrosine phosphorylation, increase of cytosolic free calcium concentration ([Ca2+]i), and production of superoxide anions (O2-) in neutrophils (PMN). Superoxides Fc gamma receptor IIa Homo sapiens
2 Activation of the 40-kDa low-affinity receptor for IgG (Fc gammaRIIa, CD32) leads to tyrosine phosphorylation, increase of cytosolic free calcium concentration ([Ca2+]i), and production of superoxide anions (O2-) in neutrophils (PMN). Superoxides Fc gamma receptor IIa Homo sapiens
3 Activation of the 40-kDa low-affinity receptor for IgG (Fc gammaRIIa, CD32) leads to tyrosine phosphorylation, increase of cytosolic free calcium concentration ([Ca2+]i), and production of superoxide anions (O2-) in neutrophils (PMN). Superoxides Fc gamma receptor IIa Homo sapiens
4 Activation of the 40-kDa low-affinity receptor for IgG (Fc gammaRIIa, CD32) leads to tyrosine phosphorylation, increase of cytosolic free calcium concentration ([Ca2+]i), and production of superoxide anions (O2-) in neutrophils (PMN). Superoxides Fc gamma receptor IIa Homo sapiens
5 [Ca2+]i measured with fluo-3-loaded PMN by flow cytometry and O2- production determined by lucigenin-dependent chemiluminescence were inhibited by co-cross-linking of CD45 with Fc gammaRIIa in comparison to isotype control monoclonal antibody (mAb). Superoxides Fc gamma receptor IIa Homo sapiens
6 In summary, both clustered human RPTP, CD45 and CD148, inhibit Fc gammaRIIa-induced O2- production in PMN, but they differ in regulation of [Ca2+]i. Superoxides Fc gamma receptor IIa Homo sapiens