Ependymal Cells in Spinal Cord Injury
Author Information
Author(s): Meletis Konstantinos, Barnabé-Heider Fanie, Carlén Marie, Evergren Emma, Tomilin Nikolay, Shupliakov Oleg, Frisén Jonas
Primary Institution: Karolinska Institute
Hypothesis
Can ependymal cells in the adult spinal cord differentiate into various cell types after spinal cord injury?
Conclusion
Ependymal cells can proliferate and differentiate into astrocytes and oligodendrocytes after spinal cord injury, contributing to scar formation and potential recovery.
Supporting Evidence
- Ependymal cells lining the central canal act as neural stem cells in vitro.
- After spinal cord injury, ependymal cells proliferate and migrate towards the injury site.
- Ependymal cell progeny differentiate into astrocytes and oligodendrocytes.
- Ependymal cells contribute significantly to the glial scar after spinal cord injury.
- Most ependyma-derived cells express markers associated with astrocytes and oligodendrocytes.
Takeaway
When the spinal cord gets hurt, special cells called ependymal cells can grow and change into other helpful cells to fix the damage.
Methodology
The study used genetic fate mapping in transgenic mice to track ependymal cells and their progeny after spinal cord injury.
Limitations
The study may underestimate the contribution of ependymal cells due to incomplete recombination.
Participant Demographics
Adult mice were used in the study.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website