Gas6 Increases Myelination by Oligodendrocytes and Its Deficiency Delays Recovery following Demyelination
Author Information
Author(s): Binder Michele D., Xiao Junhua, Kemper Dennis, Ma Gerry Z. M., Murray Simon S., Kilpatrick Trevor J.
Primary Institution: Multiple Sclerosis Division, Florey Neuroscience Institutes, University of Melbourne
Hypothesis
TAM receptor signaling would influence the extent of recovery in mice following demyelination.
Conclusion
The absence of Gas6 delays remyelination but does not prevent it, and this delay is associated with a reduction in oligodendrocyte numbers.
Supporting Evidence
- The absence of Gas6 resulted in lower myelination after 4 weeks of recovery compared to wild-type mice.
- Gas6 significantly increased myelination in a dose-dependent manner in vitro.
- Reduced oligodendrocyte numbers were observed in the absence of Gas6 during remyelination.
Takeaway
Gas6 helps the brain repair itself after damage, and without it, the repair takes longer.
Methodology
Mice were subjected to cuprizone-induced demyelination followed by recovery, and myelination was assessed using various histological and imaging techniques.
Limitations
The study primarily focuses on a specific animal model and may not fully translate to human conditions.
Participant Demographics
C57Bl6 mice were used in the study.
Statistical Information
P-Value
p=0.039
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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