Key points from article :
Research in mice shows that senescent cells contribute to neurodegeneration.
Senescent cells accumulated in memory and cognition regions of the brain.
Treated by administering a genetically modified enzyme to clear senescent cells.
Outward symptoms of dementia vanished.
Animals retained the ability to form memories and eliminated signs of inflammation.
In the past decade evidence has emerged linking senescent cells to Parkinson’s disease.
Further work is needed to test whether the findings translate into patients.
The study was published in Nature journal.
