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Potent non-benzoquinone ansamycin heat shock protein 90 inhibitors from genetic engineering of Streptomyces hygroscopicus

  • Hugo G. Menzella
  • , Thomas Toan Tran
  • , John R. Carney
  • , Janice Lau-Wee
  • , Jorge Galazzo
  • , Christopher D. Reeves
  • , Christopher Carreras
  • , Sophie Mukadam
  • , Sara Eng
  • , Ziyang Zhong
  • , Pieter B.M.W.M. Timmermans
  • , Sumati Murli
  • , Gary W. Ashley

Research output: Contribution to journalArticlepeer-review

Abstract

Inhibition of the protein chaperone Hsp90 is a promising new approach to cancer therapy. We describe the preparation of potent non-benzoquinone ansamycins. One of these analogues, generated by feeding 3-amino-5-chlorobenzoic acid to a genetically engineered strain of Streptomyces hygroscopicus, shows high accumulation and long residence time in tumor tissue, is well-tolerated upon intravenous dosing, and is highly efficacious in the COLO205 mouse tumor xenograft model.

Original languageEnglish (US)
Pages (from-to)1518-1521
Number of pages4
JournalJournal of Medicinal Chemistry
Volume52
Issue number6
DOIs
StatePublished - Mar 26 2009
Externally publishedYes

ASJC Scopus subject areas

  • Molecular Medicine
  • Drug Discovery

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