Title : Amiloride directly inhibits growth factor receptor tyrosine kinase activity.

Pub. Date : 1985 Feb 25

PMID : 2982824






3 Functional Relationships(s)
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1 The tyrosine phosphorylation of histone H2B catalyzed by an affinity-purified preparation of EGF receptor was also inhibited by amiloride. Tyrosine epidermal growth factor receptor Homo sapiens
2 The tyrosine phosphorylation of histone H2B catalyzed by the purified EGF receptor was inhibited by amiloride at concentrations identical to those previously reported to block EGF action on cell proliferation (Ki = 350 microM). Tyrosine epidermal growth factor receptor Homo sapiens
3 Immunoprecipitation of the EGF receptor from A431 cells labeled for 24 h with [32P]phosphate demonstrated that amiloride decreased the phosphorylation of the EGF receptor on serine and threonine residues and blocked the effect of EGF to cause phosphorylation of the receptor on tyrosine residues. Tyrosine epidermal growth factor receptor Homo sapiens