How estrogen affects blood vessels and memory during aging
Impact of estradiol on vascular health and subsequent implications for cognitive aging.
Testing whether estrogen treatment helps protect blood vessels and memory in midlife and older women, especially when high blood pressure or heart disease is present.
Quick facts
| Grant type | P01 program project |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Tulane University of Louisiana NIH-funded |
| Lab location | 1 site (New Orleans, United States) |
| Project ID | NIH-11269232 on NIH RePORTER |
What this research studies
Researchers use animal models (middle-aged rats and genetically modified mice) to mimic postmenopausal aging with and without cardiovascular disease to understand how estradiol affects vascular health and cognition. They compare healthy versus hypertensive models to see if high blood pressure changes how estrogen works on blood vessels. The team uses transgenic mice that report estrogen receptor activity and mice lacking specific receptors (ERα or GPER) to identify which signaling pathways drive any benefits or harms. Results will be linked to risks for Alzheimer’s disease and vascular dementia to inform future human-focused approaches.
Who could benefit from this research
Good fit: Women in midlife or after menopause who have high blood pressure or other cardiovascular disease and are concerned about memory decline or future Alzheimer's risk.
Not a fit: Men, younger premenopausal women, and people with advanced Alzheimer's disease are unlikely to directly benefit from this animal-focused work.
Why it matters
Potential benefit: Could guide safer, more targeted hormone treatments that protect blood vessels and lower the risk of dementia in women as they age.
How similar studies have performed: Previous human and animal research shows mixed results—some studies suggest estrogen can protect brain and blood vessels when started near menopause, but findings vary and may be altered by cardiovascular disease.
Where this research is happening
New Orleans, United States
- Tulane University of Louisiana — New Orleans, United States (Active)
Researchers
- Principal investigator: Lindsey, Sarah Hoffmann — Tulane University of Louisiana
- Study coordinator: Lindsey, Sarah Hoffmann
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.