Related Experiment Video
Updated: Mar 20, 2026

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration
Published on: July 8, 2021
Notochord Cells in Intervertebral Disc Development and Degeneration
Matthew R McCann1, Cheryle A Séguin1
1Department of Physiology and Pharmacology, Schulich School of Medicine & Dentistry, Western University, London, ON N6A 5C1, Canada; Bone and Joint Institute, Western University, London, ON N6A 5C1, Canada.
Intervertebral disc degeneration, a cause of back pain, lacks disease-modifying treatments. Understanding notochord cell roles in disc development and degeneration offers potential therapeutic targets.
Area of Science:
- Spinal research
- Developmental biology
- Regenerative medicine
Background:
- The intervertebral disc (IVD) is crucial for spinal flexibility and load transmission.
- IVD degeneration is a primary cause of back pain, yet disease-modifying treatments are lacking.
- Current understanding of IVD developmental pathways and degeneration is incomplete.
Purpose of the Study:
- To review the developmental processes regulating IVD formation.
- To emphasize the role of notochord-derived cells in IVD homeostasis and degeneration.
- To highlight developmental pathways as potential therapeutic targets for degenerative disc disease.
Main Methods:
- Literature review of IVD development and degeneration.
- Emphasis on the notochord's role in IVD formation and homeostasis.
- Discussion of small animal models for studying IVD development and degeneration.
Main Results:
- The notochord and its derivatives are critical for IVD formation and maintenance.
- Loss of notochordal influence contributes to IVD degeneration.
- Small animal models are valuable tools for investigating IVD pathologies.
- Specific developmental pathways are linked to degeneration and tissue repair.
Conclusions:
- Understanding notochord cell function is key to comprehending IVD homeostasis and degeneration.
- Identifying developmental pathways involved in degeneration and repair can guide future therapeutic strategies.
- Targeting these pathways may lead to novel treatments for degenerative disc disease.
More Related Videos
Related Concept Videos
Growth of Cartilage and Bone Tissue
Bone Formation by Endochondral Ossification
General Structure of a Vertebra
Neurogenesis and Regeneration of Nervous Tissue
Structural Joints: Cartilaginous Joints
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
Bone Cells and Tissue
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the...

