Evolution of kinase polypharmacology across HSP90 drug discovery

Albert A. Antolin, Paul A. Clarke, Ian Collins, Paul Workman, Bissan Al-Lazikani

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Most small molecules interact with several target proteins but this polypharmacology is seldom comprehensively investigated or explicitly exploited during drug discovery. Here, we use computational and experimental methods to identify and systematically characterize the kinase cross-pharmacology of representative HSP90 inhibitors. We demonstrate that the resorcinol clinical candidates ganetespib and, to a lesser extent, luminespib, display unique off-target kinase pharmacology as compared with other HSP90 inhibitors. We also demonstrate that polypharmacology evolved during the optimization to discover luminespib and that the hit, leads, and clinical candidate all have different polypharmacological profiles. We therefore recommend the computational and experimental characterization of polypharmacology earlier in drug discovery projects to unlock new multi-target drug design opportunities.

Original languageEnglish (US)
Pages (from-to)1433-1445.e3
JournalCell Chemical Biology
Volume28
Issue number10
DOIs
StatePublished - Oct 21 2021
Externally publishedYes

Keywords

  • HSP90
  • cancer
  • computational
  • cross-pharmacology
  • drug design
  • drug discovery
  • kinase
  • off-targets
  • pharmacology
  • polypharmacology

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmacology
  • Drug Discovery
  • Clinical Biochemistry

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