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Updated: Jun 26, 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
Notch signalling in cancer stem cells.
1Medical Oncology Department, Pfizer Spain, Alcobendas, Madrid, Spain. MariaVictoria.Bolos@pfizer.com
Summary
Solid tumors may develop from cancer stem cells (CSCs) that uncontrollably proliferate due to mutations in key stem cell signaling pathways. Targeting these pathways, like Notch, offers a promising therapeutic strategy against drug-resistant tumors.
Area of Science:
- Oncology
- Molecular Biology
- Stem Cell Research
Background:
- Solid tumors may originate from adult stem cells, termed cancer stem cells (CSCs).
- Genetic mutations in critical stem cell signaling pathways (BMP, Notch, Hedgehog, Wnt) can drive uncontrolled CSC proliferation.
- CSCs are implicated as the primary drivers of tumor growth and may possess inherent drug resistance.
Purpose of the Study:
- To review the molecular basis of the Notch signaling pathway.
- To examine the role of Notch signaling in adult stem cell self-renewal, fate specification, and differentiation.
- To explore the evidence linking Notch signaling to cancer development.
Main Methods:
- Literature review of molecular mechanisms.
- Analysis of studies on stem cell biology.
- Review of evidence implicating Notch signaling in tumorigenesis.
Main Results:
- The Notch pathway plays a crucial role in regulating stem cell behavior.
- Dysregulation of Notch signaling is frequently observed in various cancers.
- CSCs rely on pathways like Notch for their survival and proliferation.
Conclusions:
- Cancer stem cells are a potential origin for solid tumors.
- Targeting stem cell signaling pathways, particularly Notch, presents a novel therapeutic avenue.
- New agents targeting these pathways may overcome current limitations in anti-solid tumor therapies.
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...
01:26Stem Cell Niche
The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
02:40Cancer Stem Cells and Tumor Maintenance
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
02:40Cancer Stem Cells and Tumor Maintenance
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...