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Updated: Jul 6, 2026
09:08
Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
Published on: January 12, 2020
Primers on molecular pathways--notch
1Gastroenterology Research Unit, Saint Mary's Hospital, Mayo Clinic College of Medicine, Rochester, MN 55905, USA. lomberk.gwen@mayo.edu
Summary
The Notch signaling pathway is crucial for pancreas development and cancer. Its activation in pancreatic cancer suggests it may drive the accumulation of undifferentiated cells.
Area of Science:
- Cell biology
- Developmental biology
- Cancer biology
Background:
- The Notch signaling pathway is vital for cell-cell communication and regulates cell differentiation during embryonic and adult life.
- This pathway controls pancreas lineage specification and serves as a model for epithelial-to-cancer transitions.
- Changes in epithelial differentiation, including Notch pathway activation, are early hallmarks of human pancreatic cancer.
Purpose of the Study:
- To investigate the role of the Notch signaling pathway in pancreatic cancer development.
- To determine if Notch pathway activation is an early event in pancreatic carcinogenesis.
Main Methods:
- Analysis of Notch pathway components (receptors, ligands, targets) in human and mouse pancreatic tissues.
- Comparison of Notch signaling in normal embryonic pancreas, preneoplastic lesions, and invasive cancers.
Main Results:
- Notch pathway components are upregulated in both preneoplastic lesions and invasive pancreatic cancers in humans and mice.
- These changes mirror those observed during normal embryonic pancreatic development.
- Upregulation suggests Notch signaling may contribute to the accumulation of undifferentiated precursor cells.
Conclusions:
- The Notch signaling pathway is aberrantly activated in pancreatic cancer.
- Notch pathway activation appears to be an early event in pancreatic cancer progression.
- Targeting the Notch pathway may offer therapeutic strategies for pancreatic cancer by addressing the accumulation of undifferentiated cells.
Related Concept Videos
03:14Notch 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...
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...
03:14Notch 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...
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...
01:12Role Of Notch Signalling In Intestinal Stem Cell Renewal
Notch signaling was first discovered in Drosophila melanogaster, where it is involved in cell lineage differentiation. Notch signaling regulates the maintenance and differentiation of intestinal stem cells or ISCs by controlling the expression of atonal homolog 1 or Atoh1. Atoh1 directs cells to differentiate into secretory cells.
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
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01:41Non-Canonical Wnt Signaling Pathways
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