research Induction of dark keratinocytes by 12-O-tetradecanoyl-phorbol-13-acetate and mezerein as an indicator of tumor-promoting efficiency 77 citations , January 1980 in “Carcinogenesis” TPA is about 50 times more effective at promoting tumors than MZ.
research Induction of ornithine decarboxylase in specific subpopulations of murine epidermal cells following multiple exposures to 12-O-tetradecanoylphorbol-13-acetate, mezerein and ethyl phenylpropriolate 26 citations , January 1992 in “Carcinogenesis” TPA strongly increases ODC activity in certain skin cells, potentially aiding tumor growth.