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  • Title: [Pharmacokinetics of C14-olivomycin in the body of mice with lymphosarcoma (L10-1 strain)].
    Author: Vatin AE, Filatov PP.
    Journal: Antibiotiki; 1975 Jan; 20(1):6-11. PubMed ID: 1173211.
    Abstract:
    The pharmacokinetics of C14-olivomycin after its single intravenous administration to mice with lymphosarcome (LIO-I) was studied. It was shown that according to the specific radioactivity the organs may be placed in the following order: I hour after the antibiotic administration-the blood, liver, spleen, thymus, tumor, muscle; 3 hour after the administration-the liver, spleen, thymus, blood, tumor, muscle. Accumulation of olivomycin in the mouse organs was mainly in direct dependence on the dose of the antibiotic administered. Chromatography of the substances extraceted with ethylacetate from the urine collected at various periods after C14-olivomycin administration showed the presence of a new radioactive product (Rf 0.35-0.37) in addition to the unchanged antibiotic (Rf 0.53). Bioautographic analysis of the chromatograms showed that the product of C14-olivomycin conversion preserved its biological activity. The analysis of the substances extracted with ethylacetate from the liver, spleen and tumors 3 hours after the antibiotic administration reveiled (except of the liver) the presence of a spot with Rf corresponding to that of the initial drug.
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