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Related Concept Videos

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...
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl hydroxylase and factor...
Differentiation of Common Myeloid Progenitor Cells01:15

Differentiation of Common Myeloid Progenitor Cells

Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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...
Role Of Notch Signalling In Intestinal Stem Cell Renewal01:12

Role 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...

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Articles linked to this work by shared authors, journal, and citation graph.

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Characterization of activating mutations of NOTCH3 in T-cell acute lymphoblastic leukemia and anti-leukemic activity of NOTCH3 inhibitory antibodies.

Oncogene·2016
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A Phase 1 study of the novel gamma-secretase inhibitor PF-03084014 in patients with T-cell acute lymphoblastic leukemia and T-cell lymphoblastic lymphoma.

Blood cancer journal·2015
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A microRNA-mediated regulatory loop modulates NOTCH and MYC oncogenic signals in B- and T-cell malignancies.

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Generation of high-titer, helper-free retroviruses by transient transfection.

Methods in molecular medicine·2014
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Defined, serum-free conditions for in vitro culture of primary human T-ALL blasts.

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A Notch1-neuregulin1 autocrine signaling loop contributes to melanoma growth.

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Related Experiment Video

Updated: Jul 26, 2026

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Notch signaling in leukemia.

J C Aster1, W S Pear

  • 1Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

Current Opinion in Hematology
|September 19, 2001
PubMed
Summary

Notch signaling is crucial for T cell development, but its constitutive activation drives T-cell leukemia. Downregulation of Notch signaling is essential for proper T cell maturation, preventing oncogenesis.

Area of Science:

  • Immunology
  • Molecular Biology
  • Oncology

Background:

  • Mammalian Notch homologs, particularly Notch1, were identified through their role in T-cell leukemias.
  • Chromosomal translocations led to constitutive Notch activation, highlighting its oncogenic potential in T cells.

Purpose of the Study:

  • To investigate the role of Notch signaling in T cell development and leukemia.
  • To understand the mechanisms by which Notch1 contributes to T-cell commitment and transformation.

Main Methods:

  • Utilized murine models to study lymphoid development and leukemia.
  • Analyzed the effects of constitutive Notch signaling (Notch1, Notch2, Notch3) on T cell development.

Main Results:

  • Notch1 drives early T cell commitment.

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Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
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Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells

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Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
09:08

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer

Published on: January 12, 2020

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Last Updated: Jul 26, 2026

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
10:21

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells

Published on: February 21, 2018

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
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 signaling must be downregulated by the double-positive stage for normal T cell development.
  • Constitutive Notch signaling predisposes to T-cell leukemia.
  • Conclusions:

    • Notch signaling plays a dual role in T cell development and oncogenesis.
    • Further research into Notch's transcriptional targets will illuminate its role in transformation.