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Updated: Jun 23, 2026

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods
07:49

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods

Published on: July 17, 2019

Switching on kinases: oncogenic activation of BRAF and the PDGFR family

Nick J Dibb1, Stephen M Dilworth, Clifford D Mol

  • 1Institute of Reproductive and Developmental Biology, Imperial College, Hammersmith Campus, London W12 ONN, UK. n.dibb@imperial.ac.uk

Nature Reviews. Cancer
|September 3, 2004
PubMed

Insights

Mutations in BRAF and platelet-derived growth factor receptor (PDGFR) kinases activate cancer. Structural insights reveal common oncogenic hotspots, aiding cancer treatment development with kinase inhibitors.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cancer Biology

Background:

  • The BRAF serine/threonine kinase and platelet-derived growth factor receptor (PDGFR) family tyrosine kinases are frequently mutated in various cancers.
  • These mutations often occur at equivalent amino acid positions, suggesting shared mechanisms of activation.

Purpose of the Study:

  • To investigate the structural basis for shared oncogenic mutations in BRAF and PDGFR kinases.
  • To understand why the PDGFR juxtamembrane region is a common target for oncogenic mutations.
  • To explore the implications for other mutated kinases in cancer and the development of kinase inhibitors.

Main Methods:

  • Comparative structural analysis of BRAF and PDGFR kinases.
  • Analysis of mutation data from cancer patients.
  • In silico modeling to understand kinase activation mechanisms.

Main Results:

  • Structural studies reveal conserved features that explain why BRAF and PDGFR kinases share oncogenic "hot spots."
  • The juxtamembrane region of PDGFR is identified as a critical site for oncogenic mutations.
  • Insights into kinase activation mechanisms are provided by structural data.

Conclusions:

  • Understanding shared mutation sites in BRAF and PDGFR offers a framework for analyzing other oncogenic kinases.
  • Structural insights can guide the development of targeted kinase inhibitors for cancer treatment.
  • This research has broad implications for cancer therapy and drug discovery.

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