Scientists Reverse Alzheimer’s Damage in Mice With Just Two Injections
A huge step forwards.
Researchers at the University of South Carolina have demonstrated a promising new approach to treating Alzheimer’s disease by successfully reversing neurological damage in mice through just two injections. The breakthrough centers on a technique called Nano-ERASER, which uses injectable polymer particles containing antibodies to target and degrade specific proteins within brain cells.
The study focused on astrocytes, supportive brain cells that can transform into new neurons. By using Nano-ERASER to reduce levels of a protein called PTBP1, researchers were able to trigger astrocytes to regenerate functioning neurons. Initial tests in laboratory-cultured brain cells and three-dimensional organoids confirmed that the converted neurons behaved like natural neurons and formed connected networks.
When applied to mouse models of Alzheimer’s, the treatment produced measurable improvements in cognitive function and behavior. Treated mice showed enhanced nest-building abilities and improved performance in water maze tests designed to assess memory and navigation skills. Researchers also observed reductions in biological markers associated with the disease, including inflammation and harmful protein accumulation in the brain.
While these results represent a significant advance in neurodegenerative disease research, scientists caution that human trials remain distant. The team plans to conduct longer-term studies and test the approach in primates before pursuing clinical applications. If successful in further testing, this method could offer a new therapeutic strategy for addressing the structural damage caused by Alzheimer’s disease.
Originally reported by Sciencealert →
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