Related Experiment Video

Updated: Aug 21, 2026

Modeling Paracrine Noncanonical Wnt Signaling In Vitro
11:14

Modeling Paracrine Noncanonical Wnt Signaling In Vitro

Published on: December 10, 2021

Wnt signaling: physiology and pathology

Céline Prunier1, Barbara A Hocevar, Philip H Howe

  • 1Department of Cell Biology, NC1, Cleveland Clinic Lerner College of Medicine, Cleveland Clinic Foundation, Cleveland, OH 44195, USA.

Growth Factors (Chur, Switzerland)
|November 3, 2004
PubMed

Insights

Wnt signaling, crucial for development and disease, is tightly regulated by proteins. This review covers Wnt pathway defects and highlights two antagonists: Disabled-2 and Chibby.

Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Cell Signaling

Background:

  • Wnt signaling is vital for embryonic development.
  • Aberrant Wnt signaling contributes to diseases like cancer.
  • The pathway involves complex regulation by agonists and antagonists.

Purpose of the Study:

  • To review the canonical Wnt signaling pathway.
  • To discuss molecular defects causing uncontrolled cell growth.
  • To highlight two novel Wnt signaling antagonists: Disabled-2 and Chibby.

Main Methods:

  • Literature review of Wnt signaling.
  • Analysis of molecular defects in Wnt pathway components.
  • Focus on cytoplasmic (Disabled-2) and nuclear (Chibby) antagonists.

Main Results:

  • Wnt pathway dysregulation can lead to uncontrolled cell proliferation.
  • Disabled-2 acts as a cytoplasmic antagonist.
  • Chibby functions as a nuclear antagonist.

Conclusions:

  • Understanding Wnt pathway regulation is key to addressing related diseases.
  • Disabled-2 and Chibby represent important negative regulators of Wnt signaling.
  • Further research into these antagonists may offer therapeutic targets.

More Related Videos

The Soft Agar Colony Formation Assay08:01

The Soft Agar Colony Formation Assay

Published on: October 27, 2014

Related Concept Videos

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...
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...
Notch Signaling Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
Notch Signaling Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...