neoplasm
• incidence of papilloma formation was increased in mutant mice by two-stage skin carcinogenesis in which DMBA was used as an initiator and TPA as a promoter
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integument
• epidermal hyperplasia induced by a single topical application of TPA was markedly reduced
• topical TPA treatment increased Brdu labeled basal keratinocytes at 16 to 24 hours but significantly decreased at 36 and 48 hours after application
• epidermal hyperplasia induced by skin wound showed a thinner regenerating epidermis
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• incidence of papilloma formation was increased in mutant mice by two-stage skin carcinogenesis in which DMBA was used as an initiator and TPA as a promoter
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