NIH-funded research R01 grant

Estrogen receptor alpha in smooth muscle and aging arteries

Official title: The sexually dimorphic role of smooth muscle cell estrogen receptor alpha in vascular aging

Funded at Tufts Medical Center · NIH-11370324 · Data updated 2026-11-12

This NIH grant investigates how estrogen receptor alpha in artery walls affects aging-related stiffening, with a focus on differences between men and women.

More Aging research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTufts Medical Center
NIH-funded
Lab location1 site (Boston, United States)
Project startJune 10, 2022
Project endMay 31, 2027
Funding year2026
Award (this year)$680,908
NIH project number5R01HL160834-05
Project IDNIH-11370324 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates include adults with vascular aging concerns, especially postmenopausal women and older adults at risk for arterial stiffness.

Less likely to help

Individuals without vascular aging concerns or those not considering cardiovascular health as they age may not benefit.

What this research studies

Aging people often develop stiffer arteries, which raises heart and brain risks. The project looks at why women may experience this stiffness later in life and how estrogen receptor alpha in smooth muscles might influence this process. Researchers will study aging mice and human data to understand how estrogen signaling and a molecule called PARP1 interact with protective receptors in the blood vessels. The goal is to identify mechanisms that drive vascular aging and could point to new ways to protect vessel health as people age.

Why it matters

Potential benefit: Understanding these mechanisms could lead to new approaches to prevent or reduce arterial stiffening and related cardiovascular risks in aging women and men.

How similar studies have gone: Preliminary data in aging mice suggest sex-specific differences in arterial stiffness and estrogen signaling, indicating the approach has promising relevance.

Where this research is happening

  • Tufts Medical Center
    Boston, United States
    Active

Researchers

  • Principal investigator: Dupont, Jennifer — Tufts Medical Center
  • Study coordinator: Dupont, Jennifer

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.