How different brain cells produce amyloid plaques in Alzheimer's
Causes and consequences of differential APP processing in inhibitory and excitatory neurons
Researchers compare how two types of brain cells make amyloid protein to explain different patterns of Alzheimer’s disease.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Washington University NIH-funded |
| Lab location | 1 site (Saint Louis, United States) |
| Project ID | NIH-11267969 on NIH RePORTER |
What this research studies
This project uses mouse models that make human amyloid precursor protein (APP) only in either excitatory (glutamatergic) or inhibitory (GABAergic) neurons to mimic different plaque types seen in people with Alzheimer's. Scientists will compare the appearance and biochemical makeup of the resulting Aβ deposits and map how each pattern affects nearby brain cells. They will combine imaging, tissue analysis, and behavioral tests in the mice to link cell-type differences to brain damage and memory changes. Results will be compared to human Alzheimer’s pathology to see which cell-specific processes might explain clinical diversity.
Who could benefit from this research
Good fit: There is no human enrollment—this is preclinical mouse research—but people living with Alzheimer’s and their caregivers are the ultimate intended beneficiaries of the findings.
Not a fit: Patients seeking immediate treatment or clinical interventions are unlikely to benefit directly because the research is conducted in animal models to inform future therapies.
Why it matters
Potential benefit: If successful, this work could clarify why Alzheimer's shows different plaque types in different people and point toward therapies that target the specific brain cell types driving disease.
How similar studies have performed: Previous animal-model work on APP and Aβ has provided key insights into amyloid biology, but this direct comparison of excitatory versus inhibitory neuron-driven APP processing is relatively novel.
Where this research is happening
Saint Louis, United States
- Washington University — Saint Louis, United States (Active)
Researchers
- Principal investigator: Jankowsky, Joanna L — Washington University
- Study coordinator: Jankowsky, Joanna L
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.