How BAG3 helps brain cells clear waste
BAG3 regulates Rab35 and the ESCRT/endolysosome pathway
['FUNDING_R01'] · UNIVERSITY OF ROCHESTER · NIH-11128596
Researchers are learning how a protein called BAG3 helps brain cells clear toxic tau in people with or at risk for Alzheimer's.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | UNIVERSITY OF ROCHESTER (nih funded) |
| Locations | 1 site (ROCHESTER, UNITED STATES) |
| Trial ID | NIH-11128596 on ClinicalTrials.gov |
What this research studies
This project focuses on BAG3, a protein that appears to help neurons maintain protein quality by working with the endolysosome and ESCRT pathways. Scientists will manipulate BAG3 levels in lab-grown neurons and animal models and analyze human brain tissue when available to see how BAG3 affects tau buildup and synaptic health. The team will track how changes in BAG3 influence protein clearance routes and neuron structure to understand mechanisms that protect against Alzheimer-type pathology. Results aim to reveal whether boosting BAG3-related pathways could reduce harmful tau accumulation and support neuron function.
Who could benefit from this research
Good fit: This research is most relevant to people with Alzheimer's disease, mild cognitive impairment due to Alzheimer's, or those at increased risk for Alzheimer's.
Not a fit: People with non-Alzheimer's forms of dementia or those seeking immediate treatment options are unlikely to gain direct benefit from this basic-science work.
Why it matters
Potential benefit: If successful, the work could point to new ways to prevent or slow tau buildup and preserve brain cell connections in Alzheimer's disease.
How similar studies have performed: Previous studies suggest BAG3 supports protein clearance and neuron survival, but applying these findings specifically to tau and the ESCRT/endolysosome pathway is relatively new and still being worked out.
Where this research is happening
ROCHESTER, UNITED STATES
- UNIVERSITY OF ROCHESTER — ROCHESTER, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: JOHNSON, GAIL V. W. — UNIVERSITY OF ROCHESTER
- Study coordinator: JOHNSON, GAIL V. W.
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.
Conditions: Alzheimer disease dementia, Alzheimer syndrome, Alzheimer's Disease