Cited by 596Protein Kinase Regulation and GTPase SignalingProtein Tyrosine PhosphatasesMelanoma and MAPK Pathways

Small molecule inhibition of the KRAS–PDEδ interaction impairs oncogenic KRAS signalling

Zimmermann, Gunther, Papke, Björn, Ismail, Shehab, Vartak, Nachiket, Chandra, Anchal, Hoffmann, Maike, Hahn, Stephan A., Triola, Gemma +3 more·2013·Nature

Abstract

The KRAS oncogene product is considered a major target in anticancer drug discovery. However, direct interference with KRAS signalling has not yet led to clinically useful drugs. Correct localization and signalling by farnesylated KRAS is regulated by the prenyl-binding protein PDEδ, which sustains the spatial organization of KRAS by facilitating its diffusion in the cytoplasm. Here we report that interfering with binding of mammalian PDEδ to KRAS by means of small molecules provides a novel opportunity to suppress oncogenic RAS signalling by altering its localization to endomembranes. Biochemical screening and subsequent structure-based hit optimization yielded inhibitors of the KRAS-PDEδ interaction that selectively bind to the prenyl-binding pocket of PDEδ with nanomolar affinity, inhibit oncogenic RAS signalling and suppress in vitro and in vivo proliferation of human pancreatic ductal adenocarcinoma cells that are dependent on oncogenic KRAS. Our findings may inspire novel drug discovery efforts aimed at the development of drugs targeting oncogenic RAS.

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Crossref · 10.1038/nature12205

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Authors
Zimmermann, G., Papke, B., Ismail, S., Vartak, N., Chandra, A., Hoffmann, M., Hahn, S. A., Triola, G., Wittinghofer, A., Bastiaens, P. I. H., & Waldmann, H.
Affiliations
  • Max Planck Institute of Molecular Physiology (DE)
  • Ruhr University Bochum (DE)
  • TU Dortmund University (DE)
Corresponding author
  • Wittinghofer, Alfred
  • Bastiaens, Philippe I. H.
  • Waldmann, Herbert
Venue
Nature
Published
2013-05
Volume
497
Issue
7451
Pages
638-642
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2043282329
Cited by
596
References
28
Citations by year
2026: 15 · 2025: 13 · 2024: 29 · 2023: 31 · 2022: 34 · 2021: 51 · 2020: 36 · 2019: 46 · 2018: 54 · 2017: 65 · 2016: 56 · 2015: 65 · 2014: 85 · 2013: 15
FWCI
33.12
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DORA PSI (Paul Scherrer Institute) (submittedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
European Commission
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
Keywords
KRAS, PDEδ, small molecule inhibitors, pancreatic ductal adenocarcinoma, anticancer drug discovery
MeSH terms
Adenocarcinoma, Animals, Benzimidazoles, Binding Sites, Cell Line, Dogs, Humans, Hydrogen Bonding, Mice, Nude, Models, Molecular, Molecular Conformation, Neoplasm Transplantation, Protein Binding, Signal Transduction, Oncogene Protein p21(ras), Mitogen-Activated Protein Kinases, MAP Kinase Signaling System, Carcinoma, Pancreatic Ductal, Cell Line, Tumor, Cell Proliferation, Mice, Cyclic Nucleotide Phosphodiesterases, Type 6

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