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  • Title: Potentiation of mitomycin C, 6-mercaptopurine, bleomycin, cis-diamminedichloroplatinum and 5-fluorouracil by mycotrienins and mycotrienols.
    Author: Kuwano M, Ikezaki K, Mamizuka K, Komiyama S, Seto H, Otake N, Sugita M, Yamaguchi T, Kishiye T, Fukawa H.
    Journal: Gan; 1983 Oct; 74(5):759-66. PubMed ID: 6196249.
    Abstract:
    Mycotrienins I and II and mycotrienols I and II are ansamycin antibiotics containing a triene structure, isolated from Streptomyces rishiriensis. An amphotericin B-resistant clone (AMBR-1) derived from cultured Chinese hamster V79 cells was cross-resistant to mycotrienins I and II, but not to mycotrienol I or II. These four ansamycin antibiotics were found to potentiate significantly the action of some anti-cancer agents including 5-fluorouracil, cis-diamminedichloroplatinum, bleomycin, mitomycin C and 6-mercaptopurine against cultured V79 cells. The action of adriamycin was not potentiated. These four ansamycin antibiotics showed a synergism spectrum similar to that of smaller polyene antibiotics.
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