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A notch in the toll belt
1Centre for Innate Immunity and Infectious Disease, Monash Institute of Medical Research, 27-31 Wright Street, Clayton, Victoria, Australia. Paul.Hertzog@med.monash.edu.au
Immunity
|November 14, 2008
Summary
The Toll-like receptor (TLR) and Notch pathways, crucial for immunity and development, directly cooperate. This study reveals a novel interaction between these conserved cell signaling pathways.
Area of Science:
- Cellular Biology
- Immunology
- Developmental Biology
Background:
- Toll-like receptor (TLR) and Notch signaling pathways are evolutionarily conserved.
- TLR pathways are primarily involved in innate immunity.
- Notch pathways are critical for cell development and differentiation.
Discussion:
- This research investigates the direct interaction between TLR and Notch signaling.
- The study characterizes the functional implications of this cross-talk.
- Understanding this cooperation offers new insights into cellular regulation.
Key Insights:
- Hu et al. (2008) demonstrate direct cooperation between TLR and Notch pathways.
- This interaction links innate immunity and cell development.
- The findings reveal a previously unrecognized regulatory mechanism.
Outlook:
- Further research can explore the specific molecular mechanisms of this cooperation.
- Investigating this cross-talk may uncover new therapeutic targets.
- This discovery broadens our understanding of fundamental cell signaling networks.
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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...
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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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