How brain support cells handle harmful Huntington protein clumps
Official title: Mechanisms of mutant huntingtin aggregate engulfment and spreading by phagocytic glia
Funded at Rowan University · NIH-11291647 · Data updated 2026-11-12
This work looks at how brain support cells called microglia and astrocytes deal with harmful Huntington protein clumps to help people with Huntington disease and related brain disorders.
Quick facts
| Grant type | R15 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Rowan University NIH-funded |
| Lab location | 1 site (Glassboro, United States) |
| Project start | August 19, 2022 |
| Project end | November 30, 2028 |
| Funding year | 2026 |
| Award (this year) | $549,717 |
| NIH project number | 2R15NS128847-03 |
| Project ID | NIH-11291647 on NIH RePORTER |
Who could benefit from this research
✓Could help
People with Huntington disease, people who carry the huntingtin gene mutation, or those interested in therapies for protein-aggregation brain disorders would be the most relevant group.
✕Less likely to help
Patients whose conditions are not caused by huntingtin or similar protein aggregates (for example primarily vascular dementia) are unlikely to directly benefit from this work.
What this research studies
From a patient viewpoint, researchers are studying how phagocytic glia (microglia and astrocytes) recognize, engulf, and either break down or spread mutant huntingtin protein clumps that damage brain cells. The team uses laboratory experiments—including cell-based models and animal systems—to follow how specific receptors (like Draper/MEGF10) and molecular pathways control this process. They compare situations where glia clear aggregates versus those where glia inadvertently promote their spread. The goal is to identify molecular steps that could be targeted to reduce aggregate spreading and protect neurons.
Why it matters
Potential benefit: If successful, this could identify new targets to stop harmful protein clumps from spreading and slow neurodegeneration.
How similar studies have gone: Prior laboratory work has shown that protein aggregates can spread between cells and that glia can both clear and propagate aggregates, but turning those findings into proven patient treatments has not yet happened.
Where this research is happening
-
Rowan University
Glassboro, United States Active
Researchers
- Principal investigator: Pearce, Margaret Panning — Rowan University
- Study coordinator: Pearce, Margaret Panning
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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.