Abstract
As part of a cooperative program carried out by the American pharmaceutical industry and the United States National Cancer Institute, a concerted effort was made to find unique cytotoxic antibiotics which inhibited macromolecule synthesis in, and growth of, cancer cells, to explore their potential as chemotherapeutic agents in the treatment of human malignant disease. During the course of this screening effort, the antibiotic, nogalamycin, an anthracyclinone produced by Streptomyces nogalater var. nogalater, was discovered because of its marked cytotoxicity against KB human epidermoid carcinoma cells growing in culture. Nogalamycin selectively inhibited the synthesis of ribonucleic acid (RNA) after binding to the deoxyribonucleic acid (DNA) template. Mammalian cells and bacteria in vitro and enzyme induction in rat liver all appeared to be inhibited by the same mechanism. When the antibiotic was found to inhibit the growth of several experimental animal tumors, it was considered for clinical trial as an anticancer agent, but unacceptable toxicity in animals precluded such investigations. The compound still provides an interesting tool to the biochemist for studying various aspects of the molecular mechanism of nucleic acid synthesis.
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Bhuyan, B.K., Smith, C.G. (1975). Nogalamycin. In: Sartorelli, A.C., Johns, D.G. (eds) Antineoplastic and Immunosuppressive Agents. Handbuch der experimentellen Pharmakologie / Handbook of Experimental Pharmacology, vol 38 / 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-65806-8_33
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DOI: https://doi.org/10.1007/978-3-642-65806-8_33
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