NIH-funded research R21 grant

Voltage-dependent potassium channels and tiny blood vessels in people

Official title: Voltage-Dependent K+ Channels and Microvascular Control in Humans

Funded at University of North Texas Hlth Sci Ctr · NIH-11437702 · Data updated 2026-11-12

This NIH grant explores how special potassium channels control tiny blood vessels in adults, which could affect blood pressure and heart health.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of North Texas Hlth Sci Ctr
NIH-funded
Lab location1 site (Fort Worth, United States)
Project startSeptember 15, 2026
Project endJuly 31, 2028
Funding year2026
Award (this year)$228,602
NIH project number1R21AG103379-01
Project IDNIH-11437702 on NIH RePORTER

Who could benefit from this research

Could help

Adults 21 years or older, including both men and women, who may participate in vascular or metabolic assessments relevant to KV channel function.

Less likely to help

Individuals without cardiovascular concerns or who are unable to participate in vascular function testing may not directly benefit.

What this research studies

Researchers at the University of North Texas Health Science Center are studying how voltage-dependent potassium (KV) channels help regulate vascular tone in humans, including how NO/cGMP/PKG signaling and beta-adrenergic signals influence these channels. The work builds on prior findings in young adults and aims to see how aging and hormonal differences (like menopause) impact KV channel function in the skeletal muscle microvasculature. The study uses human participants to better understand whether KV channels contribute to age- and sex-related changes in blood vessel regulation, with potential implications for cardiovascular risk. Overall, the project seeks to map how KV channels support vascular health and respond to nervous and hormonal signals in adults.

Why it matters

Potential benefit: If successful, the findings could lead to better strategies for maintaining vascular health and reducing cardiovascular risk as people age.

How similar studies have gone: Prior studies have shown KV channels influence human vascular function, with new data suggesting aging and sex hormones alter this regulation; the current work extends these findings.

Where this research is happening

  • University of North Texas Hlth Sci Ctr
    Fort Worth, United States
    Active

Researchers

  • Principal investigator: Romero, Steven a. — University of North Texas Hlth Sci Ctr
  • Study coordinator: Romero, Steven a.

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.