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Wnt/frizzled signaling during vertebrate retinal development.
Terence J Van Raay1, Monica L Vetter
1Department of Neurobiology and Anatomy, University of Utah, 20 North 1900 East, Salt Lake City, UT 84132, USA.
Developmental Neuroscience
|April 28, 2005
Summary
Wnt/Frizzled (Fz) signaling is crucial for vertebrate neural retina development. This review details Wnt/Fz expression and activity, highlighting its diverse roles in retinogenesis.
Area of Science:
- Developmental Biology
- Neuroscience
- Molecular Biology
Background:
- Vertebrate neural retina development involves multiple signaling pathways.
- Wnt/Frizzled (Fz) signaling components are expressed during retinal development.
- Wnt/Fz signaling may play a fundamental role in retinogenesis.
Purpose of the Study:
- To review Wnt/Fz expression patterns in the developing vertebrate retina.
- To compare Wnt/Fz expression with Wnt/beta-catenin reporter activity.
- To elucidate the multiple roles of Wnt/Fz signaling in retinal development.
Main Methods:
- Literature review of Wnt/Fz expression patterns in chick and mouse retinas.
- Analysis of Wnt/beta-catenin reporter activity during retinogenesis.
- Synthesis of evidence on Wnt/Fz signaling functions in retinal development.
Main Results:
- Dynamic expression patterns of Wnt pathway components were observed.
- Wnt/Fz signaling components are present throughout retinal development.
- Wnt/beta-catenin reporter activity correlates with Wnt/Fz component expression.
Conclusions:
- Wnt/Frizzled signaling is dynamically regulated during retinal development.
- Evidence supports multiple roles for Wnt/Fz signaling in retinogenesis.
- Understanding Wnt/Fz signaling is key to understanding neural retina formation.