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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...
Bone Formation by Endochondral Ossification01:24

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...
Determination01:51

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...
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...

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Related Experiment Video

Updated: May 24, 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 and the developing skeleton.

Timothy J Mead1, Katherine E Yutzey

  • 1Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.

Advances in Experimental Medicine and Biology
|March 9, 2012
PubMed
Summary
This summary is machine-generated.

Notch signaling is crucial for skeletal development, regulating bone cell differentiation and formation. Its dysregulation leads to congenital skeletal malformations, indicating therapeutic potential.

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Isolation of Whole Cell Protein Lysates from Mouse Facial Processes and Cultured Palatal Mesenchyme Cells for Phosphoprotein Analysis
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Isolation of Whole Cell Protein Lysates from Mouse Facial Processes and Cultured Palatal Mesenchyme Cells for Phosphoprotein Analysis

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Last Updated: May 24, 2026

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

Isolation of Whole Cell Protein Lysates from Mouse Facial Processes and Cultured Palatal Mesenchyme Cells for Phosphoprotein Analysis
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Isolation of Whole Cell Protein Lysates from Mouse Facial Processes and Cultured Palatal Mesenchyme Cells for Phosphoprotein Analysis

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Area of Science:

  • Developmental Biology
  • Skeletal Biology
  • Cell Signaling

Background:

  • Notch signaling plays a vital role in skeletogenesis across various developmental stages.
  • It influences somite segmentation, patterning, and differentiation into pre-chondrogenic cells for axial skeleton development.

Purpose of the Study:

  • To elucidate the multifaceted roles of Notch signaling in regulating key skeletal development processes.
  • To explore the impact of Notch signaling on chondrogenesis, osteoblastogenesis, and osteoclastogenesis.

Main Methods:

  • Utilized in vitro and in vivo experimental approaches.
  • Investigated the effects of Notch signaling on cell differentiation and proliferation in skeletal tissues.

Main Results:

  • Notch signaling promotes somite segmentation and differentiation into sclerotome.
  • It suppresses chondrogenic and osteoblastic differentiation.
  • Notch signaling negatively regulates osteoclast formation and proliferation.

Conclusions:

  • Notch signaling is a key regulator of somitogenesis, chondrogenesis, osteoblastogenesis, and osteoclastogenesis.
  • Dysregulation of Notch signaling is linked to congenital skeletal malformations.
  • The pathway presents potential therapeutic targets for skeletal disorders.