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Cell-cell interactions and segmentation in the developing vertebrate hindbrain

C Irving1, A Flenniken, G Alldus

  • 1Laboratory of Developmental Neurobiology, National Institute for Medical Research, London, U.K.

Biochemical Society Symposium
|January 1, 1996
PubMed
Summary
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Vertebrate hindbrain development involves precise gene expression patterns. Eph-related receptor tyrosine kinases (RTKs) and their ligands may mediate cell signaling and restrict cell movement across segment boundaries, contributing to hindbrain patterning.

Area of Science:

  • Developmental Biology
  • Neuroscience
  • Molecular Biology

Background:

  • Vertebrate hindbrain development features precise, segment-specific gene expression.
  • Cellular and molecular studies suggest dynamic cell identity regulation and restricted cell movement across rhombomere boundaries are crucial for this patterning.

Purpose of the Study:

  • To explore the role of Eph-related receptor tyrosine kinases (RTKs) in vertebrate hindbrain segmentation.
  • To discuss the expression patterns and potential functions of Eph-related RTKs in hindbrain patterning.

Main Methods:

  • Analysis of gene expression patterns in the developing vertebrate hindbrain.
  • Review of cellular and molecular studies on cell identity and movement.
  • Discussion of Eph-related RTK family members and their ligands.

Related Experiment Videos

Main Results:

  • Eph-related RTKs exhibit segmental expression in the hindbrain.
  • These RTKs and their membrane-bound ligands are candidates for mediating cell contact-dependent signaling.
  • Their expression patterns suggest a role in restricting cell movement and regulating cell identity.

Conclusions:

  • Eph-related RTKs likely play a significant role in the precise patterning of the vertebrate hindbrain.
  • Cell contact-dependent signaling mediated by these receptors may be essential for establishing segment boundaries.