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Cell-cell signalling: Wingless lands at last

S Orsulic1, M Peifer

  • 1Max-Planck Institüt für Immunbiologie, Freiberg, Germany.

Current Biology : CB
|November 1, 1996
PubMed
Summary
This summary is machine-generated.

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Researchers discovered the Frizzled family of receptors, which are essential for Wingless and Wnt signaling pathways. These pathways are crucial for cell-cell interactions in the development of both fruit flies and vertebrates.

Area of Science:

  • Developmental Biology
  • Cell Signaling
  • Molecular Biology

Background:

  • Wingless (Wg) and Wnt proteins are critical signaling molecules.
  • Cell-cell interactions are fundamental to embryonic development.
  • Receptors mediating these signals were previously unidentified.

Purpose of the Study:

  • To identify the receptors for Wingless and Wnt proteins.
  • To elucidate the molecular mechanisms of Wg/Wnt signaling.
  • To understand the role of these receptors in development.

Main Methods:

  • Genetic screens in Drosophila.
  • Molecular cloning and characterization of receptor genes.
  • Expression pattern analysis.

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Main Results:

  • A novel class of receptors, the Frizzled family, was identified.
  • Frizzled receptors bind Wingless and Wnt proteins.
  • Frizzled family members are conserved in vertebrates.

Conclusions:

  • The Frizzled family represents the receptors for Wingless and Wnt.
  • These receptors mediate key cell-cell interactions in development.
  • This discovery provides insight into conserved developmental pathways.