Watching a loved one slowly lose memories is one of the most painful experiences many families face.
Despite decades of research, effective treatments for Alzheimer’s disease remain limited.
Now, a new animal study is offering a different angle that is turning heads in the scientific community.
Researchers from the Institute for Bioengineering of Catalonia (IBEC) and West China Hospital of Sichuan University report that they reversed key signs of Alzheimer’s in mice using just three injections of specially engineered nanoparticles.
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Instead of targeting brain cells directly, the team focused on repairing the brain’s vascular system.
A shift in strategy
Most Alzheimer’s therapies aim at neurons. This study, however, targeted the blood-brain barrier, the protective network of blood vessels that regulates what enters and leaves the brain.
When this barrier malfunctions, toxic proteins such as beta-amyloid accumulate. The scientists designed supramolecular nanoparticles to restore the barrier’s natural cleaning function and help remove these harmful proteins more efficiently.
What happened in mice
The team tested the therapy on genetically modified mice that develop memory loss similar to Alzheimer’s.
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After three doses, researchers observed:
- A sharp reduction in beta-amyloid buildup
- Noticeable improvements in memory performance
- Long-lasting effects months after treatment
According to reporting by La Vanguardia, the improvements were significant in animal models
Source: Clarin
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