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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...
Hedgehog Signaling Pathway02:33

Hedgehog Signaling Pathway

The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
Hedgehog Signaling Pathway02:33

Hedgehog Signaling Pathway

The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
Amplifying Signals via Enzymatic Cascade01:22

Amplifying Signals via Enzymatic Cascade

When a ligand binds to a cell-surface receptor, the receptor's intracellular domain changes shape, which may either activate its enzyme function or allow its binding to other molecules. The initial signal is amplified by most signal transduction pathways. This means that a single ligand molecule can activate multiple molecules of a downstream target. Proteins that relay a signal are most commonly phosphorylated at one or more sites, activating or inactivating the protein. Kinases catalyze the...

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Related Experiment Video

Updated: May 30, 2026

Cell Aggregation Assays to Evaluate the Binding of the Drosophila Notch with Trans-Ligands and its Inhibition by Cis-Ligands
05:48

Cell Aggregation Assays to Evaluate the Binding of the Drosophila Notch with Trans-Ligands and its Inhibition by Cis-Ligands

Published on: January 2, 2018

Notch signaling and Notch signaling modifiers.

Michael M Wang1

  • 1Neurology Service, Veterans Administration Ann Arbor Healthcare System, Ann Arbor, MI 48105, USA. micwang@umich.edu

The International Journal of Biochemistry & Cell Biology
|August 23, 2011
PubMed
Summary

The Notch signaling pathway, crucial for development and disease, is regulated by canonical DSL proteins and a growing number of non-canonical extracellular factors. Recent research reveals novel proteins that fine-tune Notch signal strength.

More Related Videos

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Related Experiment Videos

Last Updated: May 30, 2026

Cell Aggregation Assays to Evaluate the Binding of the Drosophila Notch with Trans-Ligands and its Inhibition by Cis-Ligands
05:48

Cell Aggregation Assays to Evaluate the Binding of the Drosophila Notch with Trans-Ligands and its Inhibition by Cis-Ligands

Published on: January 2, 2018

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Area of Science:

  • Cellular Biology
  • Developmental Biology
  • Molecular Signaling

Background:

  • The Notch signaling pathway is a conserved system vital for cellular communication during development and in disease.
  • Delta, Serrate, LAG-2 (DSL) proteins are established activators of the core Notch pathway.
  • Recent discoveries highlight a complex network of non-canonical extracellular factors influencing Notch signaling.

Purpose of the Study:

  • To review current understanding of Notch signaling.
  • To focus on novel extracellular proteins identified in the last decade that modulate Notch signal potency.
  • To elucidate the expanding complexity of Notch signal transduction.

Main Methods:

  • Literature review of recent research (last decade) on Notch signaling.
  • Analysis of studies identifying novel extracellular modulators of Notch.
  • Synthesis of current concepts in Notch pathway regulation.

Main Results:

  • The Notch pathway's regulation is more complex than previously understood, involving numerous non-canonical factors.
  • Novel extracellular proteins have been identified that either enhance or inhibit Notch signal activity.
  • These findings underscore the intricate nature of this evolutionarily conserved signaling system.

Conclusions:

  • The Notch pathway's regulation involves a sophisticated interplay between canonical and non-canonical extracellular factors.
  • Understanding these novel modulators is key to deciphering Notch's role in development and pathogenesis.
  • Future research will continue to uncover the full extent of Notch signaling complexity.