Related Experiment Video

Updated: May 10, 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

The macrophage: a new factor in UVR-induced melanomagenesis

Tao Wang1, Meenhard Herlyn

  • 1Tumor Microenvironment and Metastasis Program, The Wistar Institute, Philadelphia, Pennsylvania 19104, USA.

The Journal of Investigative Dermatology
|June 14, 2013
PubMed

Insights

Ultraviolet radiation (UVR) is a major melanoma risk factor. This study reveals macrophages are essential for UVR-induced melanocyte proliferation and migration, suggesting they are a potential target for melanoma prevention.

Area of Science:

  • Dermatology
  • Immunology
  • Cancer Research

Background:

  • Ultraviolet radiation (UVR) is a primary risk factor for developing melanoma.
  • The precise mechanisms linking UVR exposure to melanoma initiation remain incompletely understood.

Purpose of the Study:

  • To investigate the role of macrophages in UVR-induced melanocyte responses.
  • To explore potential therapeutic targets for preventing UVR-induced melanoma.

Main Methods:

  • Utilized a neonatal mouse model to study UVR effects.
  • Observed melanocyte proliferation and migration in response to UVR.

Main Results:

  • Macrophages were identified as essential mediators of UVR-induced melanocyte proliferation.
  • Macrophages play a crucial role in UVR-induced melanocyte migration.

Conclusions:

  • Macrophages are critical components in the cellular response to UVR, influencing melanocyte behavior.
  • Targeting macrophages presents a promising strategy for preventing UVR-induced melanoma.

More Related Videos

In Vitro Assay to Study Tumor-macrophage Interaction08:36

In Vitro Assay to Study Tumor-macrophage Interaction

Published on: August 1, 2019

Related Concept Videos

Mechanisms of Retrovirus-induced Cancers01:51

Mechanisms of Retrovirus-induced Cancers

Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
Mutations01:35

Mutations

Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...