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Related Concept Videos

Canonical Wnt Signaling Pathway02:54

Canonical Wnt Signaling Pathway

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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...
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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...
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Catenins01:23

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Catenins are characterized by multiple binding domains and dynamic structures that allow them to function as linker proteins in cell junction complexes. All catenins, except α-catenin, contain a characteristic protein sequence called the armadillo repeat and are therefore also called armadillo proteins.
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Modeling Paracrine Noncanonical Wnt Signaling In Vitro
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Updating the Wnt pathways.

Jia Yu1, David M Virshup

  • 1*Program in Cancer and Stem Cell Biology, Duke-NUS Graduate Medical School, 8 College Road, Singapore 169857, Singapore.

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|September 12, 2014
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Summary
This summary is machine-generated.

Wnt signaling pathways regulate biological processes and are linked to diseases. Recent advances focus on Wnt production and secretion, offering potential therapeutic targets for Wnt-related conditions.

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Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Cell Signaling

Background:

  • The Wnt signaling pathway, discovered three decades ago, is a complex network regulating numerous biological processes.
  • It interacts with other key signaling cascades like Notch, FGF, SHH, EGF, and Hippo pathways.
  • Dysregulation of Wnt signaling is implicated in various diseases, highlighting its developmental importance.

Purpose of the Study:

  • To provide an overview of Wnt-regulated signaling cascades.
  • To highlight recent advancements in understanding Wnt signaling.
  • To focus on novel findings in Wnt production and secretion pathways.

Main Methods:

  • Literature review and synthesis of recent research findings.
  • Analysis of Wnt signaling network interactions.
  • Identification of potential therapeutic targets within the Wnt pathway.

Main Results:

  • Wnt signaling is a central regulator of multiple biological processes.
  • Cross-talk between Wnt and other pathways (Notch, FGF, SHH, EGF, Hippo) is crucial.
  • The Wnt production and secretion pathway presents new therapeutic opportunities.

Conclusions:

  • Understanding Wnt signaling is key to comprehending developmental processes and disease.
  • Targeting the Wnt production and secretion pathway may offer new therapeutic strategies for Wnt-related diseases.