[Resistance to BRAF inhibitors: A lesson from clinical observations]

Cylia Dahmani1, Eulalie Corre2, Sarah Dandou3

  • 1IBMM, université de Montpellier, CNRS, ENSCM, Montpellier, France - Groupe de la chaire de recherche du Canada en pharmacogénomique, Faculté de pharmacie de l'université Laval, Centre de recherche du CHU de Québec - université Laval (CRCHUQc-UL), Québec, QC, Canada.

Medecine Sciences : M/S
|June 29, 2022
PubMed

Insights

BRAF inhibitors target the MAPK/ERK pathway in cancer, but resistance limits their effectiveness. This review explores BRAF inhibitor development and resistance mechanisms to improve cancer therapy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Signaling

Background:

  • The MAPK/ERK pathway is crucial for cell signaling and its dysregulation contributes to cancer.
  • Activating BRAF mutations are common in various cancers, leading to targeted therapy development.
  • BRAF inhibitors offer therapeutic potential but face challenges with primary and acquired resistance.

Purpose of the Study:

  • To review the development of BRAF inhibitors.
  • To detail the molecular and cellular mechanisms of resistance to BRAF inhibitors in cancer.
  • To highlight the importance of understanding resistance for future therapeutic strategies.

Main Methods:

  • Literature review of BRAF inhibitor development.
  • Analysis of molecular mechanisms underlying BRAF inhibitor resistance.
  • Examination of cellular mechanisms of resistance in cancer.

Main Results:

  • BRAF inhibitors have shown promise but exhibit variable efficacy due to resistance.
  • Primary resistance limits initial treatment effectiveness.
  • Acquired resistance leads to treatment failure over time.

Conclusions:

  • Understanding BRAF inhibitor resistance mechanisms is critical for improving cancer treatment outcomes.
  • Further research into overcoming resistance is essential for developing more effective BRAF-targeted therapies.
  • This review provides insights into resistance pathways to guide future drug development.

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