How different amyloid‑beta shapes affect Alzheimer's in lab-grown human brain tissue
Understanding the functional impacts of Aβ variants in Alzheimer's disease with human brain organoids
Researchers are comparing different shapes of the amyloid‑beta protein in lab-grown human brain tissue to find out how they may drive Alzheimer's disease.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Emory University NIH-funded |
| Lab location | 1 site (Atlanta, United States) |
| Project ID | NIH-11297513 on NIH RePORTER |
What this research studies
This project uses human brain organoids — small, lab-grown pieces of human brain tissue — to watch how different forms of the amyloid‑beta (Aβ) protein fold, clump, and spread. Scientists will combine advanced imaging (including cryo-electron microscopy), spectroscopy, and molecular profiling to map the structures of Aβ assemblies and how they interact inside these organoids. By linking specific structural 'strains' of Aβ to harmful behaviors in the organoids, the team hopes to reveal which forms are most likely to drive disease. The work is done in the lab at Emory and does not currently involve enrolling patients, but it uses human-derived cells to make the models.
Who could benefit from this research
Good fit: This project does not enroll patients; its results will be most relevant to people living with Alzheimer's disease and those with genetic risk factors like APOE ε4.
Not a fit: People whose dementia is not linked to amyloid pathology or who need immediate treatment options are unlikely to see direct benefit from this lab-based work.
Why it matters
Potential benefit: If successful, this could identify the Aβ forms most responsible for Alzheimer's and guide more precise tests and therapies.
How similar studies have performed: Prior studies have shown that Aβ can form distinct structures and affect toxicity, but using human brain organoids together with high-resolution cryo-EM to directly link structure to spread is a relatively new and advanced approach.
Where this research is happening
Atlanta, United States
- Emory University — Atlanta, United States (Active)
Researchers
- Principal investigator: Wen, Zhexing — Emory University
- Study coordinator: Wen, Zhexing
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.