Title : Association of protein kinase C activation with induction of ornithine decarboxylase in murine but not human keratinocyte cultures.

Pub. Date : 1993

PMID : 8352882






4 Functional Relationships(s)
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1 The goal of this study was to compare the response of mouse epidermal keratinocytes (MEKs) and human epidermal keratinocytes (HEKs) to 12-O-tetradecanoylphorbol-13-acetate (TPA) with respect to the activation and downregulation of protein kinase C (PKC), the expression of c-jun and c-fos, and the expression and induction of ornithine decarboxylase (ODC) activity. Tetradecanoylphorbol Acetate protein kinase C alpha Homo sapiens
2 Activation of partially purified total PKC by TPA was similar in freshly isolated and cultured MEKs and HEKs, indicating that the two species were similar in this regard and that 2 wk of culture did not alter this characteristic. Tetradecanoylphorbol Acetate protein kinase C alpha Homo sapiens
3 When MEK and HEK cultures were treated with TPA for 3 h, less than 30% of the control level of PKC activity was detected, indicating that TPA-induced downregulation of PKC was similar in MEKs and HEKs. Tetradecanoylphorbol Acetate protein kinase C alpha Homo sapiens
4 When MEK and HEK cultures were treated with TPA for 3 h, less than 30% of the control level of PKC activity was detected, indicating that TPA-induced downregulation of PKC was similar in MEKs and HEKs. Tetradecanoylphorbol Acetate protein kinase C alpha Homo sapiens