Title : The cAMP responsive element and CREB partially mediate the response of the tyrosine hydroxylase gene to phorbol ester.

Pub. Date : 2001 Mar

PMID : 11238722






12 Functional Relationships(s)
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1 Tyrosine hydroxylase (TH) gene promoter activity is increased in PC12 cells that are treated with the phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA). Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
2 Tyrosine hydroxylase (TH) gene promoter activity is increased in PC12 cells that are treated with the phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA). Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
3 Tyrosine hydroxylase (TH) gene promoter activity is increased in PC12 cells that are treated with the phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA). Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
4 Tyrosine hydroxylase (TH) gene promoter activity is increased in PC12 cells that are treated with the phorbol ester, 12-O-tetradecanoylphorbol 13-acetate (TPA). Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
5 Mutagenesis of either the cAMP responsive element (CRE) or the activator protein-1 element (AP1) within the TH gene proximal promoter leads to a dramatic inhibition of the TPA response. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
6 The TH CRE and TH AP1 sites are also independently responsive to TPA in minimal promoter constructs. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
7 In CREB-deficient cells, the response of the full TH gene proximal promoter or the independent response of the TH CRE by itself to TPA is inhibited. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
8 The TPA-inducibility of TH mRNA is also blocked in CREB-deficient cells. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
9 Expression of the PKA inhibitor protein, PKI, also inhibits the independent response of the TH CRE to TPA. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
10 Our results support the hypothesis that TPA stimulates the TH gene promoter via signaling pathways that activate either the TH AP1 or TH CRE sites. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
11 Our results support the hypothesis that TPA stimulates the TH gene promoter via signaling pathways that activate either the TH AP1 or TH CRE sites. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus
12 Our results support the hypothesis that TPA stimulates the TH gene promoter via signaling pathways that activate either the TH AP1 or TH CRE sites. Tetradecanoylphorbol Acetate tyrosine hydroxylase Rattus norvegicus