Title : Rapid desensitization of B-cell receptor by a dithiol-reactive protein tyrosine phosphatase inhibitor: uncoupling of membrane IgM from syk inhibits signals leading to Ca2+ mobilization.

Pub. Date : 1995 Jan

PMID : 7541023






12 Functional Relationships(s)
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1 In contrast, calcium response induced by a putative syk activator, H2O2, exhibited only a moderate sensitivity to PAO, demonstrating that PAO did not cause general suppression of all the functions leading to Ca2+ mobilization. Calcium spleen associated tyrosine kinase Homo sapiens
2 In contrast, calcium response induced by a putative syk activator, H2O2, exhibited only a moderate sensitivity to PAO, demonstrating that PAO did not cause general suppression of all the functions leading to Ca2+ mobilization. Hydrogen Peroxide spleen associated tyrosine kinase Homo sapiens
3 In contrast, calcium response induced by a putative syk activator, H2O2, exhibited only a moderate sensitivity to PAO, demonstrating that PAO did not cause general suppression of all the functions leading to Ca2+ mobilization. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
4 In contrast, calcium response induced by a putative syk activator, H2O2, exhibited only a moderate sensitivity to PAO, demonstrating that PAO did not cause general suppression of all the functions leading to Ca2+ mobilization. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
5 Since BCR cross-linking did not generate non-responsiveness to H2O2 in the presence of PAO, and PAO-treated cells remained responsive to syk activation by H2O2, we suppose that PAO may inhibit BCR-mediated signal transduction events upstream of syk activation. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
6 Since BCR cross-linking did not generate non-responsiveness to H2O2 in the presence of PAO, and PAO-treated cells remained responsive to syk activation by H2O2, we suppose that PAO may inhibit BCR-mediated signal transduction events upstream of syk activation. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
7 Since BCR cross-linking did not generate non-responsiveness to H2O2 in the presence of PAO, and PAO-treated cells remained responsive to syk activation by H2O2, we suppose that PAO may inhibit BCR-mediated signal transduction events upstream of syk activation. Hydrogen Peroxide spleen associated tyrosine kinase Homo sapiens
8 Since BCR cross-linking did not generate non-responsiveness to H2O2 in the presence of PAO, and PAO-treated cells remained responsive to syk activation by H2O2, we suppose that PAO may inhibit BCR-mediated signal transduction events upstream of syk activation. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
9 Since BCR cross-linking did not generate non-responsiveness to H2O2 in the presence of PAO, and PAO-treated cells remained responsive to syk activation by H2O2, we suppose that PAO may inhibit BCR-mediated signal transduction events upstream of syk activation. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
10 PAO induced rapid and dose-dependent tyrosine phosphorylation of lyn and selectively inhibited BCR-mediated tyrosine phosphorylation of syk. oxophenylarsine spleen associated tyrosine kinase Homo sapiens
11 PAO induced rapid and dose-dependent tyrosine phosphorylation of lyn and selectively inhibited BCR-mediated tyrosine phosphorylation of syk. Tyrosine spleen associated tyrosine kinase Homo sapiens
12 The results presented in this paper demonstrate that PAO may provoke cellular desensitization process by alteration of the signal transducer functions of lyn and syk tyrosine kinase enzymes. oxophenylarsine spleen associated tyrosine kinase Homo sapiens