Title : Carbachol-stimulated transactivation of epidermal growth factor receptor and mitogen-activated protein kinase in T(84) cells is mediated by intracellular Ca2+, PYK-2, and p60(src).

Pub. Date : 2000 Apr 28

PMID : 10777553






13 Functional Relationships(s)
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1 Carbachol-stimulated transactivation of epidermal growth factor receptor and mitogen-activated protein kinase in T(84) cells is mediated by intracellular Ca2+, PYK-2, and p60(src). Carbachol epidermal growth factor receptor Homo sapiens
2 Ca(2+)-dependent agonists, such as carbachol (CCh), stimulate epidermal growth factor receptor (EGFR) transactivation and mitogen-activated protein kinase activation in T(84) intestinal epithelial cells. Carbachol epidermal growth factor receptor Homo sapiens
3 Ca(2+)-dependent agonists, such as carbachol (CCh), stimulate epidermal growth factor receptor (EGFR) transactivation and mitogen-activated protein kinase activation in T(84) intestinal epithelial cells. Carbachol epidermal growth factor receptor Homo sapiens
4 Ca(2+)-dependent agonists, such as carbachol (CCh), stimulate epidermal growth factor receptor (EGFR) transactivation and mitogen-activated protein kinase activation in T(84) intestinal epithelial cells. Carbachol epidermal growth factor receptor Homo sapiens
5 Ca(2+)-dependent agonists, such as carbachol (CCh), stimulate epidermal growth factor receptor (EGFR) transactivation and mitogen-activated protein kinase activation in T(84) intestinal epithelial cells. Carbachol epidermal growth factor receptor Homo sapiens
6 Here, we investigated mechanisms underlying CCh-stimulated epidermal growth factor receptor (EGFR) transactivation. Carbachol epidermal growth factor receptor Homo sapiens
7 Here, we investigated mechanisms underlying CCh-stimulated epidermal growth factor receptor (EGFR) transactivation. Carbachol epidermal growth factor receptor Homo sapiens
8 CCh (100 microM) stimulated tyrosine phosphorylation and association of the Ca(2+)-dependent tyrosine kinase, PYK-2, with the EGFR, which was inhibited by the Ca(2+) chelator, BAPTA (20 microM). Carbachol epidermal growth factor receptor Homo sapiens
9 The calmodulin inhibitor, fluphenazine (50 microM) inhibited CCh-stimulated PYK-2 association with the EGFR and phosphorylation of EGFR and ERK. Carbachol epidermal growth factor receptor Homo sapiens
10 The calmodulin inhibitor, fluphenazine (50 microM) inhibited CCh-stimulated PYK-2 association with the EGFR and phosphorylation of EGFR and ERK. Carbachol epidermal growth factor receptor Homo sapiens
11 CCh also induced tyrosine phosphorylation of p60(src) and association of p60(src) with both PYK-2 and the EGFR. Carbachol epidermal growth factor receptor Homo sapiens
12 The Src family kinase inhibitor, PP2 (20 nM-20 microM) attenuated CCh-stimulated EGFR and ERK phosphorylation and potentiated chloride secretory responses to CCh. Carbachol epidermal growth factor receptor Homo sapiens
13 We conclude that CCh-stimulated transactivation of the EGFR is mediated by a pathway involving elevations in intracellular Ca(2+), calmodulin, PYK-2, and p60(src). Carbachol epidermal growth factor receptor Homo sapiens