Title : 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C.

Pub. Date : 1990 Mar

PMID : 2107492






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1 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C. Epidermal Growth Factor (EGF) and Tetradecanoyl Phorbol Acetate (TPA) initiate signalling cascades in C3H 10T1/2 fibroblasts by primarily activating distinct protein kinases, the EGF receptor tyrosine kinase and protein kinase C respectively; there is no signal crossover at the initiation of signalling. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens
2 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C. Epidermal Growth Factor (EGF) and Tetradecanoyl Phorbol Acetate (TPA) initiate signalling cascades in C3H 10T1/2 fibroblasts by primarily activating distinct protein kinases, the EGF receptor tyrosine kinase and protein kinase C respectively; there is no signal crossover at the initiation of signalling. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens
3 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C. Epidermal Growth Factor (EGF) and Tetradecanoyl Phorbol Acetate (TPA) initiate signalling cascades in C3H 10T1/2 fibroblasts by primarily activating distinct protein kinases, the EGF receptor tyrosine kinase and protein kinase C respectively; there is no signal crossover at the initiation of signalling. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens
4 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C. Epidermal Growth Factor (EGF) and Tetradecanoyl Phorbol Acetate (TPA) initiate signalling cascades in C3H 10T1/2 fibroblasts by primarily activating distinct protein kinases, the EGF receptor tyrosine kinase and protein kinase C respectively; there is no signal crossover at the initiation of signalling. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens
5 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C. Epidermal Growth Factor (EGF) and Tetradecanoyl Phorbol Acetate (TPA) initiate signalling cascades in C3H 10T1/2 fibroblasts by primarily activating distinct protein kinases, the EGF receptor tyrosine kinase and protein kinase C respectively; there is no signal crossover at the initiation of signalling. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens
6 2-Aminopurine abolishes EGF- and TPA-stimulated pp33 phosphorylation and c-fos induction without affecting the activation of protein kinase C. Epidermal Growth Factor (EGF) and Tetradecanoyl Phorbol Acetate (TPA) initiate signalling cascades in C3H 10T1/2 fibroblasts by primarily activating distinct protein kinases, the EGF receptor tyrosine kinase and protein kinase C respectively; there is no signal crossover at the initiation of signalling. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens
7 Further, we show here that although EGF- and TPA-stimulated induction of c-fos is abolished by 2-aminopurine, the appearance of TRE-binding activity in nuclear extracts of stimulated cells is unaffected, suggesting that EGF- and TPA-stimulated induction of TRE-binding activity utilises existing proteins and is not dependent on fresh c-FOS synthesis. Tetradecanoylphorbol Acetate epidermal growth factor Homo sapiens