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The brain within the tumor: new roles for axon guidance molecules in cancers

A Chédotal1, G Kerjan, C Moreau-Fauvarque

  • 1CNRS UMR7102, Equipe Développement Neuronal, Université Paris 6, Batiment B, Case 12, 9 Quai Saint-Bernard, 75005 Paris, France. chedotal@infobiogen.fr

Cell Death and Differentiation
|July 15, 2005
PubMed

Insights

Slits, semaphorins, and netrins are axon guidance molecules now found to play roles in cancer. These proteins may act as tumor suppressors and influence tumor vascularization, offering potential therapeutic targets for malignancy.

Area of Science:

  • Neurobiology
  • Oncology
  • Molecular Biology

Background:

  • Slits, semaphorins, and netrins are key axon guidance proteins in the nervous system.
  • These molecules are increasingly recognized for their roles beyond neurodevelopment, particularly in cancer.

Purpose of the Study:

  • To explore the multifaceted roles of axon guidance molecules in cancer.
  • To investigate their potential as therapeutic targets for malignancies.

Main Methods:

  • Review of recent studies on Slits, semaphorins, and netrins in cancer.
  • Analysis of gene localization, promoter methylation, and functional roles in tumorigenesis.

Main Results:

  • Genes for these proteins are located in chromosomal regions with frequent loss-of-heterozygosity in tumors.
  • Hypermethylation of their promoters suggests tumor suppressor activity.
  • These proteins and their receptors influence tumor vascularization, cell migration, and apoptosis.

Conclusions:

  • Axon guidance molecules exhibit significant roles in cancer development and progression.
  • Targeting these molecules could offer novel therapeutic strategies for cancer treatment.

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