Title : Celecoxib inhibits phorbol ester-induced expression of COX-2 and activation of AP-1 and p38 MAP kinase in mouse skin.

Pub. Date : 2004 May

PMID : 14729583






6 Functional Relationships(s)
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1 In another study, celecoxib attenuated the DNA binding activity of activator protein 1 (AP-1) through suppression of c-Jun and c-Fos expression in TPA-treated mouse skin. Tetradecanoylphorbol Acetate jun proto-oncogene Mus musculus
2 In another study, celecoxib attenuated the DNA binding activity of activator protein 1 (AP-1) through suppression of c-Jun and c-Fos expression in TPA-treated mouse skin. Tetradecanoylphorbol Acetate jun proto-oncogene Mus musculus
3 In another study, celecoxib attenuated the DNA binding activity of activator protein 1 (AP-1) through suppression of c-Jun and c-Fos expression in TPA-treated mouse skin. Tetradecanoylphorbol Acetate jun proto-oncogene Mus musculus
4 In the same animal model, TPA treatment resulted in rapid activation via phosphorylation of extracellular signal-regulated protein kinase (ERK)1/2 and p38 MAP kinase, which are upstream of AP-1 in mouse skin. Tetradecanoylphorbol Acetate jun proto-oncogene Mus musculus
5 In order to clarify the roles of p38 and ERK in TPA-induced AP-1 activation, we utilized the pharmacologic inhibitors of these enzymes. Tetradecanoylphorbol Acetate jun proto-oncogene Mus musculus
6 The p38 inhibitor SB203580 blocked TPA-mediated AP-1 activation, while the MEK1/2 inhibitor U0126 was not inhibitory despite suppression of c-Fos expression in mouse skin. Tetradecanoylphorbol Acetate jun proto-oncogene Mus musculus