Blood-Brain Barrier Impairment in an Animal Model of MPS III B
Author Information
Author(s): Garbuzova-Davis Svitlana, Louis Michael K., Haller Edward M., Derasari Hiranya M., Rawls Ashley E., Sanberg Paul R.
Primary Institution: University of South Florida
Hypothesis
What is the structural and functional integrity of the blood-brain barrier in a mouse model of Sanfilippo type B at different stages of disease?
Conclusion
The study found significant impairment of the blood-brain barrier in MPS III B mice, which may contribute to disease progression.
Supporting Evidence
- Endothelial cell damage was observed in capillaries, leading to vascular leakage.
- Significant accumulation of GM3 ganglioside was found in the brain microvasculature.
- Vascular leakage of Evans Blue and albumin was detected in various brain structures of mutant mice.
Takeaway
The blood-brain barrier in mice with a specific genetic disorder is damaged, which could make the disease worse.
Methodology
The study used electron microscopy and immunohistochemistry to assess the blood-brain barrier's integrity in a mouse model of MPS III B.
Limitations
The study is limited to a mouse model, and findings may not fully translate to human conditions.
Participant Demographics
The study involved Naglu mutant mice, including both male and female subjects at various ages.
Digital Object Identifier (DOI)
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