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Quassinoids as inhibitors of Epstein-Barr virus early antigen activation
K Kubota1, N Fukamiya, H Tokuda
1Department of Interdisciplinary Studies on Natural Environment, Faculty of Integrated Arts, Hiroshima University, Kagamiyama, Japan.
Cancer Letters
|February 26, 1997
Abstract:
Short-term in vitro assays for tumor promoters and antitumor promoters (Epstein-Barr virus activation test) were carried out for 14 quassinoids isolated from Ailanthus altissima. Some quassinoids, including ailantinol B, ailantinol C, ailanthone, and shinjulactone A, showed moderate activity at a molar ratio of 1:100 (TPA/quassinoids), and the results led to the elucidation of structure-activity relationships.