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  • Title: Tallysomycin, a new antitumor antibiotic complex related to bleomycin. V. Production, characterization and antitumor activity of tallysomycin S10b, a new biosynthetic tallysomycin derivative.
    Author: Miyaki T, Numata K, Nishiyama Y, Tenmyo O, Hatori M, Imanishi H, Konishi M, Kawaguchi H.
    Journal: J Antibiot (Tokyo); 1981 Jun; 34(6):665-74. PubMed ID: 6168631.
    Abstract:
    Tallysomycin S10b is a biosynthetic derivative of tallysomycin B obtained by precursor amine-feeding fermentation. Tallysomycin S10b contains 1,4-diaminobutane as the terminal amine moiety in place of spermidine of tallysomycin B, and its assigned structure was verified by carbon-13 NMR spectrum. The antitumor activity of tallysomycin S10b was comparable to that of tallysomycin A against sarcoma 180 but less active than the latter against leukemia P388. Tallysomycin S10b was less toxic than tallysomycin A in terms of acute and subacute LD50 values. The nephrotoxic potential of tallysomycin S10b in rats was less than that of tallysomycin A.
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