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Related Concept Videos

Non-Canonical Wnt Signaling Pathways01:41

Non-Canonical Wnt Signaling Pathways

Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
Non-Canonical Wnt Signaling Pathways01:41

Non-Canonical Wnt Signaling Pathways

Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
Canonical Wnt Signaling Pathway02:54

Canonical Wnt Signaling Pathway

The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which results in tumor...
Canonical Wnt Signaling Pathway02:54

Canonical Wnt Signaling Pathway

The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which results in tumor...

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Related Experiment Video

Updated: Jun 26, 2026

The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
07:34

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

Dorsal axis duplication as a functional readout for Wnt activity.

Michael Kühl1, Petra Pandur

  • 1University of Ulm, Institute for Biochemistry and Molecular Biology, Ulm, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|December 26, 2008
PubMed
Summary

Xenopus embryos are ideal for studying gene function and signaling pathways. Researchers use secondary axis induction and gene expression analysis to understand Wnt signaling, a key developmental pathway.

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Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients
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Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients

Published on: December 14, 2015

Polarized Translocation of Fluorescent Proteins in Xenopus Ectoderm in Response to Wnt Signaling
06:55

Polarized Translocation of Fluorescent Proteins in Xenopus Ectoderm in Response to Wnt Signaling

Published on: May 26, 2011

Related Experiment Videos

Last Updated: Jun 26, 2026

The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
07:34

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

Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients
08:10

Using Confocal Analysis of Xenopus laevis to Investigate Modulators of Wnt and Shh Morphogen Gradients

Published on: December 14, 2015

Polarized Translocation of Fluorescent Proteins in Xenopus Ectoderm in Response to Wnt Signaling
06:55

Polarized Translocation of Fluorescent Proteins in Xenopus Ectoderm in Response to Wnt Signaling

Published on: May 26, 2011

Area of Science:

  • Developmental biology
  • Molecular biology
  • Genetics

Background:

  • Xenopus embryos offer accessibility and ease of manipulation for studying gene function and signaling pathways.
  • Investigating dorsalizing factors by inducing secondary dorsal structures in Xenopus embryos has significantly advanced understanding of Wnt signaling.
  • The secondary axis induction assay remains a primary method for assessing Wnt signaling pathway activity.

Purpose of the Study:

  • To describe experimental approaches for determining canonical Wnt signaling in Xenopus.
  • To outline methods for assessing the role of factors in the Wnt pathway.

Main Methods:

  • Induction of a secondary axis in early Xenopus embryos.
  • Analysis of target gene expression to infer Wnt pathway activity.

Main Results:

  • The described methods allow for the determination of canonical Wnt signaling.
  • These assays facilitate the assessment of whether a factor positively or negatively impacts the Wnt pathway.

Conclusions:

  • Xenopus embryos are a valuable model for dissecting Wnt signaling pathways.
  • Experimental approaches like secondary axis induction and gene expression analysis are crucial for understanding Wnt signaling dynamics.