Abstract
Pretreatment of Swiss Webster mice with coenzyme Q10 (CoQ) markedly reduced the lethality of the antitumor antibiotic anthramycin as well as its ability to decrease ventricular weights. In tumor-bearing mice CoQ pretreatment did not produce any consistent alteration of radioactivity levels in blood, heart, tumor, lungs, kidneys, liver, muscles, brain, or spleen after [15-3H]anthramycin administration. Gross alterations in anthramycin distribution is probably not the mechanism by which CoQ alters the cardiotoxicity and lethality of anthramycin.
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