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Receptor tyrosine phosphatases in axon growth and guidance

A W Stoker1

  • 1Neural Development Unit, Institute of Child Health, University College London, 30 Guilford Street, London WC1N 1EH, UK. astoker@ich.ucl.ac.uk

Current Opinion in Neurobiology
|February 17, 2001
PubMed

Insights

Receptor-like protein tyrosine phosphatases (RPTPs) are crucial signaling molecules in nerve cell growth. Research shows RPTPs guide axons in fruit flies and may also control axon development in vertebrates.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Developmental Biology

Background:

  • Receptor-like protein tyrosine phosphatases (RPTPs) are increasingly recognized as vital signaling molecules.
  • These molecules are particularly important in neuronal development, specifically within axons and their growth cones.

Purpose of the Study:

  • To review the emerging roles of RPTPs in axon guidance and outgrowth.
  • To highlight findings in Drosophila and discuss implications for vertebrate systems.

Main Methods:

  • Review of recent scientific literature on RPTPs in axon development.
  • Comparative analysis of findings in invertebrate (Drosophila) and vertebrate models.

Main Results:

  • Drosophila RPTPs are essential for guiding retinal axons and preventing aberrant midline crossing.
  • Vertebrate RPTPs are implicated in controlling axon outgrowth.
  • Preliminary data suggests vertebrate RPTPs may also play a role in axon guidance.

Conclusions:

  • RPTPs are conserved regulators of axon development across species.
  • Further research into vertebrate RPTPs is warranted to fully understand their role in axon guidance and potential therapeutic applications.

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