NIH-funded research Fellowship grant

Understanding how specific immune cells respond after a brain hemorrhage

Official title: Investigating the origin and role of the IgA+ B cell response to intracerebral hemorrhage

Funded at Yale University · NIH-11044980 · Data updated 2026-11-12

This study is looking at how certain immune cells in the brain might help people recover after a serious type of stroke called intracerebral hemorrhage, using mice to see when these cells show up and how they could support healing over 16 weeks.

Quick facts

Grant typeFellowship grant
Study typeNIH-funded research
Funding institutionYale University
NIH-funded
Lab location1 site (New Haven, United States)
Project startJanuary 1, 2024
Project endDecember 31, 2026
Funding year2025
Award (this year)$48,974
NIH project number5F31NS132530-02
Project IDNIH-11044980 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals who have experienced an intracerebral hemorrhage and are interested in understanding the immune response involved in their recovery.

Less likely to help

Patients who have not experienced a stroke or those with other types of strokes may not benefit from this research.

What this research studies

This research investigates the role of IgA+ B cells in the brain following an intracerebral hemorrhage (ICH), a serious type of stroke. The study aims to determine when these immune cells enter the brain and how they may help in recovery after a stroke. Using a mouse model, researchers will track the influx of these cells over a period of 16 weeks to understand their potential neuroprotective functions. This could provide insights into new therapeutic strategies for improving recovery in stroke patients.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that enhance recovery and reduce cognitive decline in stroke survivors.

How similar studies have gone: While the role of B cells in ischemic stroke has been studied, the specific investigation of IgA+ B cells in the context of intracerebral hemorrhage is novel and has not been extensively tested.

Where this research is happening

  • Yale University
    New Haven, United States
    Active

Researchers

  • Principal investigator: Ohashi, Sarah — Yale University
  • Study coordinator: Ohashi, Sarah

Related research

Other NIH-funded projects on the same topics.

  • Anticoagulation in ICH Survivors with Atrial Fibrillation and Small Vessel Disease

    This project looks at how to safely use blood-thinning medicines in people who survived a brain bleed and also have atrial fibrillation and small vessel disease.

    NIH research Yale University · New Haven, United States · NIH-11533213

  • Statin use after lobar intracerebral hemorrhage

    This trial compares continuing versus stopping statins in people who had a lobar intracerebral hemorrhage to see how that affects repeat brain bleeds, strokes, heart attacks, and recovery over two years.

    NIH research Beth Israel Deaconess Medical Center · Boston, United States · NIH-11518526

  • Statin use after lobar brain hemorrhage

    This trial compares stopping versus continuing statin medicine in people who had a lobar brain bleed to learn effects on repeat bleeding and future heart or stroke events.

    NIH research Beth Israel Deaconess Medical Center · Boston, United States · NIH-11518525

  • Blocking red blood cell death after brain hemorrhage

    A study at Yale is exploring whether stopping a specific kind of red blood cell death after a brain hemorrhage could improve recovery.

    NIH research Yale University · New Haven, United States · NIH-11450183

  • Targeting HDAC3 to reduce brain damage after a brain bleed

    This project will test whether blocking a protein called HDAC3 can reduce inflammation and improve recovery after an intracerebral hemorrhage (brain bleed).

    NIH research Augusta University · Augusta, United States · NIH-11386398

  • Silent brain injuries after brain bleed may predict dementia risk

    A study using MRI and cognitive tests to see if hidden brain injuries after spontaneous intracerebral hemorrhage help forecast later cognitive decline.

    NIH research Rush University Medical Center · Chicago, United States · NIH-11380839

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.