NIH-funded research R21 grant

How hyaluronan affects brain blood vessel cells during aging and injury

Official title: Regulation of brain vascular endothelial cell ferroptosis by hyaluronan

Funded at Oregon Health & Science University · NIH-11139321 · Data updated 2026-11-12

This study is looking at how a natural substance called hyaluronan can help protect the cells in your brain's blood vessels from damage that can lead to memory problems and dementia, and it aims to find new ways to keep your brain healthy as you age.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionOregon Health & Science University
NIH-funded
Lab location1 site (Portland, United States)
Project startJune 1, 2025
Project endMay 31, 2027
Funding year2025
Award (this year)$471,885
NIH project number1R21AG089920-01A1
Project IDNIH-11139321 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are older adults experiencing cognitive impairment or those at risk for vascular-related dementia.

Less likely to help

Patients with cognitive impairment not related to vascular issues or those with other neurological conditions may not benefit from this research.

What this research studies

This research investigates how hyaluronan, a natural substance in the body, can protect brain blood vessel cells from a type of cell death called ferroptosis, which is linked to cognitive decline and dementia. The study focuses on understanding the mechanisms behind brain vascular injury and how it leads to the breakdown of the blood-brain barrier, which can cause inflammation and neurodegenerative diseases. By examining the role of hyaluronan and its interaction with specific receptors on blood vessel cells, the researchers aim to identify potential therapeutic strategies to prevent or mitigate damage in aging populations. Patients may be involved in studies that explore these mechanisms and the effects of hyaluronan treatment.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that protect brain health and prevent cognitive decline in older adults.

How similar studies have gone: Previous research has shown promising results in using hyaluronan to inhibit cell death in other contexts, suggesting potential for success in this area as well.

Where this research is happening

  • Oregon Health & Science University
    Portland, United States
    Active

Researchers

  • Principal investigator: Sherman, Larry S. — Oregon Health & Science University
  • Study coordinator: Sherman, Larry S.

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.