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Updated: Feb 14, 2026

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

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An Epigenetic Switch: From Senescent Melanocytes to Malignant Melanoma (and Back)

Verena Wagner1, Jesús Gil1

  • 1MRC London Institute of Medical Sciences (LMS), Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK.

Cancer Cell
|February 14, 2018
PubMed

Insights

Melanoma cells evade senescence through increased H3K9 demethylase expression. Targeting these epigenetic regulators can restore senescence, offering a new therapeutic strategy for melanoma treatment.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Oncogene-induced senescence acts as a crucial tumor suppressor mechanism in melanoma development.
  • Dysregulation of senescence pathways contributes to melanoma progression.

Purpose of the Study:

  • To investigate the role of H3K9 demethylases in overcoming oncogene-induced senescence during melanomagenesis.
  • To explore the potential of targeting epigenetic regulators for restoring senescence in melanoma.

Main Methods:

  • Analysis of H3K9 demethylase expression in melanoma.
  • Investigating the functional impact of H3K9 demethylases on senescence pathways.
  • Evaluating pharmacological inhibition of H3K9 demethylases to restore senescence.

Main Results:

  • Elevated expression of structurally unrelated H3K9 demethylases was found to disable senescence.
  • These epigenetic regulators represent a vulnerability that can be targeted in melanoma.
  • Pharmacological inhibition successfully restored senescence in melanoma models.

Conclusions:

  • Aberrant H3K9 demethylase activity is a key mechanism enabling melanoma cells to evade senescence.
  • Targeting H3K9 demethylases offers a promising epigenetic therapy strategy for melanoma.

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