Systemic effects of Wnt signaling

Nicola Maruotti1, Addolorata Corrado, Anna Neve

  • 1Department of Rheumatology, University of Foggia Medical School, Foggia, Italy.

Insights

Wnt signaling influences physiological and pathological processes, impacting angiogenesis, bone health, and diseases like cancer. Inhibitors like DKK-1 show therapeutic potential, but further research is needed for human applications.

Area of Science:

  • Molecular Biology
  • Cell Signaling
  • Physiology

Background:

  • Wnt signaling, discovered over 20 years ago, has recently shown involvement in systemic effects.
  • Its roles extend to angiogenesis, vascular disorders, bone biology, autoimmune diseases, neurological diseases, and cancer.

Purpose of the Study:

  • To explore the systemic roles of Wnt signaling.
  • To evaluate Wnt signaling inhibitors, such as DKK-1, as potential therapeutic targets.

Main Methods:

  • Utilized animal models.
  • Employed in vitro studies.

Main Results:

  • Wnt signaling impacts diverse physiological and pathological processes.
  • Wnt signaling inhibitors demonstrate potential in treating various diseases.

Conclusions:

  • Wnt signaling is crucial in multiple systemic functions and diseases.
  • DKK-1 and similar inhibitors offer promising therapeutic avenues for osteoporosis, vascular diseases, and cancer.
  • Further investigation is essential to fully elucidate Wnt signaling in human diseases and optimize inhibitor-based therapies.

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...