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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...
Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Amplifying Signals via Enzymatic Cascade01:22

Amplifying Signals via Enzymatic Cascade

When a ligand binds to a cell-surface receptor, the receptor's intracellular domain changes shape, which may either activate its enzyme function or allow its binding to other molecules. The initial signal is amplified by most signal transduction pathways. This means that a single ligand molecule can activate multiple molecules of a downstream target. Proteins that relay a signal are most commonly phosphorylated at one or more sites, activating or inactivating the protein. Kinases catalyze the...

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Related Experiment Video

Updated: Jun 24, 2026

Modeling Paracrine Noncanonical Wnt Signaling In Vitro
11:14

Modeling Paracrine Noncanonical Wnt Signaling In Vitro

Published on: December 10, 2021

Wnt signal transduction pathways.

Yuko Komiya1, Raymond Habas

  • 1Department of Biochemistry; University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School.

Organogenesis
|March 13, 2009
PubMed
Summary
This summary is machine-generated.

The Wnt signaling pathway regulates embryonic development through canonical and non-canonical pathways. This review summarizes recent advances in understanding Wnt signaling in embryonic patterning and morphogenesis.

Keywords:
Planar Cell PolarityWntcanonicaldishevelledfrizzlednon-canonicalβ-catenin

More Related Videos

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

Related Experiment Videos

Last Updated: Jun 24, 2026

Modeling Paracrine Noncanonical Wnt Signaling In Vitro
11:14

Modeling Paracrine Noncanonical Wnt Signaling In Vitro

Published on: December 10, 2021

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

Area of Science:

  • Developmental Biology
  • Cell Signaling

Background:

  • The Wnt signaling pathway is evolutionarily conserved, regulating critical embryonic processes like cell fate, migration, and organogenesis.
  • Wnt proteins, secreted glycoproteins, exhibit complex signaling due to a large family in humans.
  • Key branches include the canonical Wnt/beta-catenin pathway and non-canonical pathways (Planar Cell Polarity, Wnt/Ca2+).

Purpose of the Study:

  • To review recent advancements in Wnt signaling pathways.
  • To elucidate the role of Wnt signaling in embryonic patterning and morphogenesis.

Main Methods:

  • Literature review of recent research on Wnt signaling.
  • Analysis of molecular and biochemical data on Wnt pathway branches.

Main Results:

  • Identification of major signaling branches downstream of Frizzled (Fz) receptors.
  • Active dissection of molecular mechanisms underlying canonical and non-canonical Wnt pathways.

Conclusions:

  • Wnt signaling is fundamental to embryonic development.
  • Continued research is crucial for a comprehensive understanding of Wnt pathway complexity and its role in development.