Marine animal biosynthetic constituents for cancer chemotherapy

George Pettit, Yoshiaki Kamano, Youichi Fujii, Cherry L. Herald, Masuo Inoue, Peter Brown, Devens Gust, Keiichi Kitahara, Jean M. Schmidt, Dennis L. Doubek, Claude Michel

Research output: Contribution to journalArticlepeer-review

103 Scopus citations


fifteen year investigation of marine animal components as sources for new and potentially useful cancer chemotherapeutic drugs has led to our discovery of a number of such valuable substances. The especially productive Indian Ocean sea hare Dolabella auricularia has yielded (100 kg→~l mg each) a series of very potent cell growth inhibitory substances designated dolastatins 1-9. The first member of this new’ series, dolastatin 1, may represent the most potent anticancer agent so far uncovered with, e.g., a curative response (33%) using a dose of 11µg/kg (T/C 240, to T/C 139 at 1.37µg/kg) in the National Cancer Institute's murine B16 melanoma. Structural elucidation of the new antineoplastic agents is underway, and recent progress is illustrated with the peptide dolastatin 3 (P388 ED50 2.7 x 10-7µg/ml).

Original languageEnglish (US)
Pages (from-to)482-485
Number of pages4
JournalJournal of Natural Products
Issue number4
StatePublished - Jul 1981

ASJC Scopus subject areas

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry


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