Title : Inhibition of 12-O-tetradecanoylphorbol-13-acetate and other skin tumor-promoter-caused induction of epidermal interleukin-1 alpha mRNA and protein expression in SENCAR mice by green tea polyphenols.

Pub. Date : 1995 Sep

PMID : 7665919






7 Functional Relationships(s)
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1 Inhibition of 12-O-tetradecanoylphorbol-13-acetate and other skin tumor-promoter-caused induction of epidermal interleukin-1 alpha mRNA and protein expression in SENCAR mice by green tea polyphenols. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus
2 Recent studies have shown that topical application of the tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA) to murine skin results in increased expression of the highly inflammatory cytokine interleukin (IL)-1 alpha in the epidermis. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus
3 Recent studies have shown that topical application of the tumor promoter 12-O-tetradecanoylphorbol-13-acetate (TPA) to murine skin results in increased expression of the highly inflammatory cytokine interleukin (IL)-1 alpha in the epidermis. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus
4 This has led to the suggestion that IL-1 alpha directly or indirectly mediates the inflammatory and hyperplastic responses elicited by TPA and possibly by other skin tumor promoters. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus
5 Northern blot analysis indicated that topical application of TPA, anthralin, mezerein, or benzoyl peroxide to SENCAR mice resulted in an increased expression of epidermal IL-1 alpha mRNA. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus
6 Pretreatment of the skin with GTP or individual epicatechin derivatives (ECDs) present therein, 30 min before that of TPA, resulted in a significant inhibition of enhanced expression of epidermal IL-1 alpha mRNA caused by skin application of TPA. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus
7 Pretreatment of the skin with GTP or individual epicatechin derivatives (ECDs) present therein, 30 min before that of TPA, resulted in a significant inhibition of enhanced expression of epidermal IL-1 alpha mRNA caused by skin application of TPA. Tetradecanoylphorbol Acetate interleukin 1 alpha Mus musculus