Scientists Expected One Thing From Alzheimer’s Protein—They Found Another
Summary
Scientists studied a protein called tau, known for its role in Alzheimer’s disease, and found it also helps healthy brains form long-lasting memories. Research in mice showed tau helps select specific brain cells to store memories and reduces background brain activity to make memories clearer.Key Facts
- Tau protein usually is linked to brain damage in Alzheimer’s disease.
- New research shows tau also helps healthy brain cells build memories that last weeks.
- The study focused on “remote memory,” memories recalled days or weeks after an event.
- Tau helps select a small group of brain cells called engram cells to store memories.
- Tau reduces background brain activity, helping memories form more clearly.
- A chemical process called phosphorylation changes tau and is part of normal memory formation.
- This research was done in mice, so results may not apply directly to humans or Alzheimer’s.
- The findings could lead to new treatments that keep tau’s normal functions while addressing disease.
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