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Notch Signaling Pathway

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 Pathway

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 Renewal

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...

Bone Formation by Endochondral Ossification

Bone Formation by Endochondral Ossification

Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...

Growth of Cartilage and Bone Tissue

Growth of Cartilage and Bone Tissue

Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...

Determination

Determination

During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In contrast, determination...

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Related Experiment Video

Updated: Jun 22, 2026

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Notch signaling in chondrogenesis.

Camilla Karlsson¹, Anders Lindahl

¹Department of Clinical Chemistry and Transfusion Medicine, Sahlgrenska University Hospital, Gothenburg University, Göteborg, Sweden.

International Review of Cell and Molecular Biology

|June 4, 2009

Summary

This review explores the Notch signaling pathway

Area of Science:

Biochemistry
Developmental Biology
Cell Biology

Background:

Cartilage development stages are known, but specific articular cartilage differentiation factors and molecular mechanisms remain unclear.
Notch signaling is crucial for development and cell specification, with differential expression observed during cartilage development.
Notch signaling is linked to osteoarthritis, and Notch1 may identify chondrogenic progenitor cells.

Purpose of the Study:

To review the current understanding of Notch signaling's role in cartilage development.
To explore the involvement of Notch signaling in osteoarthritis.
To identify potential molecular mechanisms regulating cartilage development.

Main Methods:

Literature review of studies on Notch signaling in cartilage development and osteoarthritis.

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Co-localization of Cell Lineage Markers and the Tomato Signal

Co-localization of Cell Lineage Markers and the Tomato Signal

Published on: December 28, 2016

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Last Updated: Jun 22, 2026

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Co-localization of Cell Lineage Markers and the Tomato Signal

Co-localization of Cell Lineage Markers and the Tomato Signal

Published on: December 28, 2016

Analysis of gene expression patterns related to Notch signaling during chondrogenesis.

Examination of functional evidence for Notch signaling in cartilage biology.

Main Results:

Notch signaling pathway components are differentially expressed during cartilage development.
Evidence suggests a functional role for Notch signaling in chondrogenesis.
Notch signaling is implicated in the pathogenesis of osteoarthritis.

Conclusions:

The Notch signaling pathway plays a significant role in cartilage development and osteoarthritis.
Further research into Notch signaling could reveal novel therapeutic targets for cartilage repair and osteoarthritis treatment.