Platelet blood factors to refresh the aging brain
Systemic Mechanisms of Brain Rejuvenation
Researchers want to see whether proteins from young or exercised blood platelets can help restore brain cell growth and memory in older people with Alzheimer's disease.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California, San Francisco NIH-funded |
| Lab location | 1 site (San Francisco, United States) |
| Project ID | NIH-11299487 on NIH RePORTER |
What this research studies
If you have age-related memory problems, this work looks at proteins released by platelets in young or well-exercised donors to see whether those blood factors can help an older brain grow new nerve cells, reduce inflammation, and improve memory. The team uses proteomics to identify candidate proteins such as PF4 and then gives purified platelet factors to aged animal models of Alzheimer's to measure neurogenesis, inflammation, and cognitive behavior. They compare factors from young versus exercised donors and link changes in the blood to molecular and functional changes in the hippocampus. Positive findings would guide development of blood-derived therapies that could move into future human trials.
Who could benefit from this research
Good fit: Ideal candidates for future trials would be older adults with mild or early-stage Alzheimer's disease or age-related memory loss who are medically stable.
Not a fit: People with very advanced Alzheimer's, severe medical conditions, or non‑Alzheimer causes of dementia may be unlikely to benefit from this approach.
Why it matters
Potential benefit: If successful, this could lead to blood-derived treatments that restore brain cell growth and improve memory for people with age-related cognitive decline or early Alzheimer's disease.
How similar studies have performed: Prior animal work using young blood, parabiosis, and young plasma has improved brain function in aged mice, but human evidence is limited and platelet-factor therapy is a relatively new approach.
Where this research is happening
San Francisco, United States
- University of California, San Francisco — San Francisco, United States (Active)
Researchers
- Principal investigator: Villeda, Saul a — University of California, San Francisco
- Study coordinator: Villeda, Saul a
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.