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Updated: Jun 25, 2026

Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
06:09

Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells

Published on: June 7, 2019

Taking the stress out of melanoma

Matthew J Martin1, David Carling, Richard Marais

  • 1Signal Transduction Team, The Institute of Cancer Research, London SW3 6JB, UK.

Cancer Cell
|March 3, 2009
PubMed

Insights

Oncogenic BRAF hinders AMPK activity in melanoma cells, enabling cancer growth during metabolic stress. This discovery offers potential new treatments for melanoma.

Area of Science:

  • Molecular Cell Biology
  • Cancer Research
  • Metabolic Regulation

Background:

  • Melanoma is a life-threatening skin cancer.
  • Cancer cells often exhibit altered metabolic pathways.
  • Oncogenic BRAF mutations are common in melanoma.

Purpose of the Study:

  • To elucidate the mechanism by which oncogenic BRAF affects cellular metabolism in melanoma.
  • To investigate the role of AMPK in BRAF-driven melanoma growth.
  • To identify potential therapeutic targets for melanoma treatment.

Main Methods:

  • Investigated the interaction between BRAF and AMPK signaling pathways.
  • Utilized melanoma cell lines with oncogenic BRAF mutations.
  • Assessed cellular growth under conditions of metabolic stress.

Main Results:

  • Demonstrated that oncogenic BRAF directly inhibits AMPK activity in melanoma cells.
  • Showed that inhibited AMPK leads to metabolic dysregulation supporting cancer cell proliferation.
  • Identified a link between BRAF, AMPK, and metabolic stress adaptation in melanoma.

Conclusions:

  • Oncogenic BRAF-mediated inhibition of AMPK is a key mechanism for melanoma survival under metabolic stress.
  • Targeting the BRAF-AMPK axis presents a promising therapeutic strategy for melanoma.
  • Understanding metabolic vulnerabilities in BRAF-mutant melanoma can guide treatment development.

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