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Carcinogenicity study of fecapentaene-12 diacetate on skin painting in SENCAR mice. 1991

D E Devor, and J R Henneman, and L K Keefer, and D L Logsdon, and J M Rice, and A J Streeter, and J M Ward
Laboratory of Comparative Carcinogenesis, National Cancer Institute, Frederick Cancer Research and Development Center, MD 21702.

To investigate the effects of both diol esterification and coadministration with antioxidant on the tumorigenicity of fecapentaene-12 (FP-12) preparations, diacetylfecapentaene-12 (DAFP-12) in dimethylsulfoxide (DMSO) was applied to SENCAR mouse skin with or without the stabilizer, vitamin E, twice/week for 5 weeks, following which all animals were promoted for up to 25 weeks by weekly applications of 12-O-tetradecanoylphorbol-13-acetate (TPA). While positive controls receiving 7,12-dimethylbenz[a]anthracene (DMBA) instead of DAFP-12 in a similar protocol all developed papillomas (average of 23/animal), papilloma incidence in mice given DAFP-12 did not differ significantly from that of the vehicle control. We conclude that DAFP-12 shows little or no tumor initiating activity for mouse skin even when coadministered with vitamin E.

UI MeSH Term Description Entries
D009153 Mutagens Chemical agents that increase the rate of genetic mutation by interfering with the function of nucleic acids. A clastogen is a specific mutagen that causes breaks in chromosomes. Clastogen,Clastogens,Genotoxin,Genotoxins,Mutagen
D010212 Papilloma A circumscribed benign epithelial tumor projecting from the surrounding surface; more precisely, a benign epithelial neoplasm consisting of villous or arborescent outgrowths of fibrovascular stroma covered by neoplastic cells. (Stedman, 25th ed) Papilloma, Squamous Cell,Papillomatosis,Papillomas,Papillomas, Squamous Cell,Papillomatoses,Squamous Cell Papilloma,Squamous Cell Papillomas
D011090 Polyenes Hydrocarbons with more than one double bond. They are a reduced form of POLYYNES. Cumulenes
D004338 Drug Combinations Single preparations containing two or more active agents, for the purpose of their concurrent administration as a fixed dose mixture. Drug Combination,Combination, Drug,Combinations, Drug
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012878 Skin Neoplasms Tumors or cancer of the SKIN. Cancer of Skin,Skin Cancer,Cancer of the Skin,Neoplasms, Skin,Cancer, Skin,Cancers, Skin,Neoplasm, Skin,Skin Cancers,Skin Neoplasm
D013755 Tetradecanoylphorbol Acetate A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA. Phorbol Myristate Acetate,12-Myristoyl-13-acetylphorbol,12-O-Tetradecanoyl Phorbol 13-Acetate,Tetradecanoylphorbol Acetate, 4a alpha-Isomer,12 Myristoyl 13 acetylphorbol,12 O Tetradecanoyl Phorbol 13 Acetate,13-Acetate, 12-O-Tetradecanoyl Phorbol,Acetate, Phorbol Myristate,Acetate, Tetradecanoylphorbol,Myristate Acetate, Phorbol,Phorbol 13-Acetate, 12-O-Tetradecanoyl,Tetradecanoylphorbol Acetate, 4a alpha Isomer

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