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Updated: Apr 21, 2026

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

Published on: July 17, 2019

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Effects of BRAF mutations and BRAF inhibition on immune responses to melanoma

Kristina M Ilieva1, Isabel Correa1, Debra H Josephs2

  • 1St. John's Institute of Dermatology, Division of Genetics and Molecular Medicine and NIHR Biomedical Research Centre at Guy's and St. Thomas's Hospitals and King's College London, London, United Kingdom.

Molecular Cancer Therapeutics
|November 12, 2014
PubMed

Insights

Targeting BRAF mutations in melanoma with novel therapies, including immune checkpoint blockade, shows promise. Combination treatments may enhance anti-tumor immunity and overcome resistance for better patient outcomes in BRAF-mutant melanoma.

Area of Science:

  • Oncology
  • Immunology
  • Molecular Biology

Background:

  • Malignant melanoma presents a poor prognosis, but emerging molecular and immune therapies are improving outcomes.
  • Approximately 50% of melanomas have BRAF mutations, driving proliferation via the RAS-RAF-MEK-ERK pathway.
  • BRAF-mutant melanomas exhibit altered immune responses, presenting therapeutic opportunities.

Purpose of the Study:

  • To explore the therapeutic potential of targeting BRAF mutations in melanoma.
  • To investigate the interplay between BRAF inhibition and the tumor immune microenvironment.
  • To evaluate combination strategies involving BRAF inhibitors and immunotherapies.

Main Methods:

  • Review of preclinical data and ongoing clinical trials.
  • Analysis of molecular pathways (RAS-RAF-MEK-ERK) in melanoma.
  • Assessment of immune stimulatory and immunosuppressive signals in response to therapy.

Main Results:

  • BRAF inhibitors yield significant but transient responses, accompanied by immune modulation.
  • Resistance to BRAF inhibition can emerge, necessitating alternative or combined approaches.
  • Combination therapies, including BRAF inhibitors with checkpoint blockade, may enhance anti-tumor immunity.

Conclusions:

  • Targeting BRAF mutations is crucial for melanoma treatment.
  • Modulating the immune response alongside BRAF inhibition is a promising therapeutic strategy.
  • Further clinical trials are essential to optimize combination therapies for BRAF-mutant melanoma.

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