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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...
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...
T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
TGF - β Signaling Pathway01:16

TGF - β Signaling Pathway

The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...

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Related Experiment Video

Updated: Jul 18, 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 signalling during peripheral T-cell activation and differentiation.

Barbara A Osborne1, Lisa M Minter

  • 1Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, Massachusetts 01003, USA. Osborne@vasci.umass.edu

Nature Reviews. Immunology
|December 16, 2006
PubMed
Summary

Notch signaling, crucial for lymphoid development, is now being explored for its role in peripheral CD4(+) T cell activation and differentiation. This pathway

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Last Updated: Jul 18, 2026

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis
10:25

Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis

Published on: December 12, 2019

Mouse Na&#239;ve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
07:12

Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets

Published on: April 16, 2015

Area of Science:

  • Immunology
  • Cell Biology
  • Developmental Biology

Background:

  • Notch signaling is a critical pathway in regulating cell-fate decisions during lymphoid development.
  • Research has historically concentrated on Notch's role in primary lymphoid organs.

Purpose of the Study:

  • To investigate the emerging role of Notch signaling in the activation and differentiation of naive CD4(+) T cells in the periphery.
  • To understand if Notch's known function in cell-fate regulation extends to peripheral T cell responses.

Main Methods:

  • Studies involving the analysis of Notch pathway components in peripheral T cells.
  • Investigating the impact of Notch signaling on naive CD4(+) T cell activation markers.
  • Assessing Notch's influence on T cell differentiation pathways in peripheral settings.

Main Results:

  • Evidence suggests Notch signaling plays a role beyond primary lymphoid development.
  • Initial findings indicate Notch pathway activity during naive CD4(+) T cell activation and differentiation.
  • The cell-fate regulatory functions of Notch signaling appear relevant in the periphery.

Conclusions:

  • Notch signaling is increasingly recognized for its influence on peripheral T cell biology.
  • Further research is warranted to fully elucidate Notch's mechanisms in naive CD4(+) T cell responses.
  • The study highlights a potential expansion of Notch's known functions in adaptive immunity.