How estrogen controls protein cleanup in the brain's memory center to affect memory and connections
Estrogenic regulation of the hippocampal ubiquitin-proteasome system and its role in memory and structural plastcity
This project looks at whether the hormone estrogen helps strengthen memory in men and women by switching on the brain's protein-clearance system.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Wisconsin Milwaukee NIH-funded |
| Lab location | 1 site (Milwaukee, United States) |
| Project ID | NIH-11332514 on NIH RePORTER |
What this research studies
You can think of this work as exploring how the hormone 17β-estradiol influences a cellular "cleanup" system called the ubiquitin-proteasome system in the hippocampus, the part of the brain important for memory. Researchers will use lab models to compare males and females, measure memory-related behavior, examine protein degradation pathways, and count tiny neuronal connections called dendritic spines. They will experimentally change estrogen and proteasome activity to see how those changes affect memory consolidation and spine density. The findings aim to reveal biological steps that could be targeted in future treatments for memory problems.
Who could benefit from this research
Good fit: People with memory complaints, mild cognitive impairment, or early Alzheimer's disease might eventually be candidates for follow-up trials based on these findings.
Not a fit: Patients whose problems are unrelated to hippocampal memory circuits or those with very advanced dementia may not benefit from findings focused on early hippocampal mechanisms.
Why it matters
Potential benefit: If confirmed, the work could point to new molecular targets to protect or improve memory in people with age-related memory loss or dementia.
How similar studies have performed: Previous research shows estrogen affects hippocampal plasticity and that the proteasome is important for synaptic remodeling, but applying proteasome mechanisms specifically to explain estrogen-driven memory changes is largely new.
Where this research is happening
Milwaukee, United States
- University of Wisconsin Milwaukee — Milwaukee, United States (Active)
Researchers
- Principal investigator: Frick, Karyn M — University of Wisconsin Milwaukee
- Study coordinator: Frick, Karyn M
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.