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Related Experiment Videos

Coupling planar cell polarity signaling to morphogenesis.

Jeffrey D Axelrod1, Helen McNeill

  • 1Department of Pathology, L235, Stanford University School of Medicine, Stanford, CA 94305-5324, USA. jaxelrod@cmgm.stanford.edu

Thescientificworldjournal
|June 14, 2003
PubMed
Summary

Planar Cell Polarity (PCP) involves cells sensing directional cues to create asymmetry, primarily studied in fruit flies. This review explores how cells achieve this, linking fly models to vertebrate development.

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Area of Science:

  • Cell Biology
  • Developmental Biology
  • Genetics

Background:

  • Planar Cell Polarity (PCP) describes a type of cell polarity crucial for tissue development.
  • The Frizzled receptor signaling pathway is essential for establishing PCP.
  • Much of the current understanding of PCP originates from studies in Drosophila melanogaster.

Purpose of the Study:

  • To review the mechanisms by which cells translate environmental cues into asymmetric cytoskeletal organization.
  • To explore the relationship between Drosophila PCP signaling and vertebrate developmental processes.

Main Methods:

  • Literature review of existing studies on Planar Cell Polarity.
  • Comparative analysis of signaling pathways in Drosophila and vertebrates.

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Main Results:

  • Cells utilize environmental cues to establish asymmetry through cytoskeletal reorganization.
  • The Frizzled pathway plays a conserved role in transducing directional information.

Conclusions:

  • Drosophila serves as a key model for understanding fundamental PCP mechanisms.
  • Vertebrate processes like convergent extension and cochlear hair cell development may involve conserved PCP pathways.