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Updated: Jun 8, 2026
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The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
Published on: February 16, 2017
Intracellular trafficking and signaling in development.
1Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL) CH 1015 Lausanne, Switzerland USA. Daniel.Constam@epfl.ch
F1000 Biology Reports
|October 16, 2010
Summary
Cell signaling pathways, including transforming growth factor beta, Wnt, Hedgehog, and Notch, are crucial for tissue patterning. Mechanisms controlling protein trafficking during secretion and endocytosis regulate these developmental signals.
Area of Science:
- Developmental Biology
- Cell Signaling
- Molecular Biology
Background:
- Tissue patterning requires intricate cell communication via secreted proteins and receptors.
- Complex signaling crosstalk dictates context-dependent cell behaviors during development.
Purpose of the Study:
- To summarize recent findings on mechanisms controlling the distribution and activity of key developmental signaling proteins.
- To highlight the role of trafficking decisions in regulating protein function.
Main Methods:
- Review of recent literature on protein trafficking.
- Analysis of regulatory mechanisms governing secretion and endocytosis.
- Focus on transforming growth factor beta, Wnt, Hedgehog, and Notch signaling pathways.
Main Results:
- Trafficking decisions during secretion and endocytosis are critical for controlling protein distribution.
- These mechanisms precisely regulate the activity of transforming growth factor beta, Wnt, Hedgehog, and Notch proteins.
- Context-dependent regulation of signaling protein localization impacts cell behaviors.
Conclusions:
- Understanding protein trafficking is essential for comprehending developmental tissue patterning.
- Precise control over signaling protein distribution and activity is fundamental to embryonic development.
- Further research into trafficking mechanisms will illuminate developmental processes and potential therapeutic targets.
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