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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...
Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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...
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...

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Related Experiment Video

Updated: May 13, 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 bone remodeling.

Jenna Regan1, Fanxin Long

  • 1Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.

Current Osteoporosis Reports
|March 23, 2013
PubMed
Summary
This summary is machine-generated.

Notch signaling is crucial for bone cell development and function. Dysregulation, like NOTCH2 mutations causing Hajdu-Cheney syndrome, impacts human bone physiology.

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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 13, 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:

  • Molecular Biology
  • Developmental Biology
  • Genetics

Background:

  • Notch signaling influences mammalian cell and tissue development.
  • This pathway is vital for osteoblast and osteoclast differentiation and function.
  • Cellular differentiation status dictates Notch's specific skeletal roles.

Purpose of the Study:

  • To explore the critical roles of Notch signaling in skeletal development and physiology.
  • To understand the implications of Notch pathway dysregulation in bone disorders.

Main Methods:

  • Review of existing literature on Notch signaling in skeletal biology.
  • Analysis of genetic studies linking NOTCH2 mutations to bone diseases.
  • Comparative analysis of Notch pathway activity in different cell differentiation states.

Main Results:

  • Notch signaling is essential for both osteoblasts and osteoclasts.
  • The precise function of Notch signaling is context-dependent on cell differentiation.
  • Activating NOTCH2 mutations are identified as the cause of Hajdu-Cheney syndrome.

Conclusions:

  • Notch signaling is indispensable for maintaining skeletal homeostasis.
  • Aberrant Notch signaling, particularly via NOTCH2, contributes to skeletal pathologies like Hajdu-Cheney syndrome.
  • Further research into Notch signaling pathways is crucial for understanding and treating bone diseases.