Inhibitory effects of ursolic and oleanolic ancid on skin tumor promotion by 12-O-tetradecanoylphorbol-13-acetate

Correlation of the inhibition by retinoids of tumor promoter-induced mouse epidermal ornithine decarboxylase activity and of skin tumor promotion.

Ajit Kumar Verma, B. G. Shapas, Hope M. Rice et al. · PubMed · 1979 · 357 citations

Medicine, Oncology, Pharmacology +12

Tumor initiators and promoters in the induction of Epstein—Barr virus

Harald zur Hausen, Georg W. Bornkamm, Rainer Schmidt et al. · Proceedings of the National Academy of Sciences · 1979 · 245 citations · Full text

Medicine, Cancer Biology, Oncology +15

Search for possible antitumor promoters by inhibition of 12-O-tetradecanoylphorbol-13-acetate-induced Epstein-Barr virus activation; Ursolic acid and oleanolic acid from an anti-inflammatory Chinese medicinal plant, Glechoma hederaceae L.

Hajime Ohigashi, Hitoshi Takamura, Koichi Koshimįzu et al. · Cancer Letters · 1986 · 161 citations

Medicine, Oncology, Pharmacology +16

A short-term in vitro assay for promoter substances using human lymphoblastoid cells latently infected with Epstein-Barr virus

Yôhei Itô, Sugio Yanase, Jun Fujita et al. · Cancer Letters · 1981 · 160 citations

Life Sciences, Immunology, Molecular Biology +9

alpha-Difluoromethylornithine, an irreversible inhibitor of ornithine decarboxylase, inhibits tumor promoter-induced polyamine accumulation and carcinogenesis in mouse skin.

Charles E. Weeks, Adria Herrmann, Frederick Nelson et al. · Proceedings of the National Academy of Sciences · 1982 · 159 citations · Full text

Medicine, Cancer Biology, Pharmacology +13