Title : Phosphorylation of JAK2 in thrombin-stimulated human platelets.

Pub. Date : 1994 Oct 3

PMID : 7925997






13 Functional Relationships(s)
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1 We show the presence of the tyrosine kinase JAK2 in human platelets and demonstrate that it undergoes phosphorylation on tyrosine residues on challenge with the G protein receptor stimulus, thrombin, or the tyrosine phosphatase inhibitor, peroxovanadate. Tyrosine Janus kinase 2 Homo sapiens
2 We show the presence of the tyrosine kinase JAK2 in human platelets and demonstrate that it undergoes phosphorylation on tyrosine residues on challenge with the G protein receptor stimulus, thrombin, or the tyrosine phosphatase inhibitor, peroxovanadate. peroxovanadate Janus kinase 2 Homo sapiens
3 Thrombin-induced phosphorylation of JAK2 is inhibited by two structurally distinct inhibitors of tyrosine kinases, staurosporine and the tyrphostin ST271. Staurosporine Janus kinase 2 Homo sapiens
4 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. Ro 31-8220 Janus kinase 2 Homo sapiens
5 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. Ro 31-8220 Janus kinase 2 Homo sapiens
6 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. 1,2-bis(2-aminophenoxy)ethane N,N,N',N'-tetraacetic acid acetoxymethyl ester Janus kinase 2 Homo sapiens
7 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. 1,2-bis(2-aminophenoxy)ethane N,N,N',N'-tetraacetic acid acetoxymethyl ester Janus kinase 2 Homo sapiens
8 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. Phorbol 12,13-Dibutyrate Janus kinase 2 Homo sapiens
9 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. Phorbol 12,13-Dibutyrate Janus kinase 2 Homo sapiens
10 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. Calcimycin Janus kinase 2 Homo sapiens
11 The protein kinase C (PKC) inhibitor, Ro 31-8220, and intracellular Ca2+ chelator, BAPTA-AM, also inhibit thrombin-induced phosphorylation of JAK2, while the phorbol ester, phorbol dibutyrate (PDBu), and Ca2+ ionophore, A23187, induce tyrosine phosphorylation of JAK2. Tyrosine Janus kinase 2 Homo sapiens
12 These results suggest that tyrosine phosphorylation of JAK2 stimulated by thrombin may be mediated downstream of phosphoinositide metabolism. Tyrosine Janus kinase 2 Homo sapiens
13 These results suggest that tyrosine phosphorylation of JAK2 stimulated by thrombin may be mediated downstream of phosphoinositide metabolism. Phosphatidylinositols Janus kinase 2 Homo sapiens