NIH-funded research R21 grant

Investigating how genetic variants affect brain function in long QT syndrome patients

Official title: Probing mechanisms of long QT type 2-associated neuronal dysfunction using gene-edited stem cell-derived neurons

Funded at University of Michigan at Ann Arbor · NIH-11055811 · Data updated 2026-11-12

This study is looking at how certain genetic changes linked to long QT syndrome affect nerve cells in the brain, which could help explain why some people with epilepsy are at risk for serious problems like sudden unexplained death; by using special stem cells to create these nerve cells, researchers hope to find new ways to improve care for patients.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Michigan at Ann Arbor
NIH-funded
Lab location1 site (Ann Arbor, United States)
Project startDecember 1, 2024
Project endNovember 30, 2026
Funding year2025
Award (this year)$195,000
NIH project number1R21NS136833-01A1
Project IDNIH-11055811 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals diagnosed with long QT syndrome, particularly those with KCNH2 genetic variants.

Less likely to help

Patients without long QT syndrome or those whose condition is not linked to KCNH2 variants may not benefit from this research.

What this research studies

This research focuses on understanding how specific genetic variants associated with long QT syndrome disrupt the function of neurons. By using gene-edited stem cells to create neurons, researchers aim to uncover the cellular mechanisms that link these genetic changes to increased risks of epilepsy and sudden unexplained death in epilepsy (SUDEP) in patients. The study will explore the relationship between cardiac and neuronal electrical activity, providing insights into how heart and brain functions are interconnected. This could lead to better understanding and potential treatments for patients affected by these conditions.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments and management strategies for patients with long QT syndrome and related neurological issues.

How similar studies have gone: While the specific approach of linking KCNH2 variants to neuronal dysfunction is novel, similar studies have shown success in understanding genetic influences on neuronal and cardiac function.

Where this research is happening

  • University of Michigan at Ann Arbor
    Ann Arbor, United States
    Active

Researchers

  • Principal investigator: Jones, David K. — University of Michigan at Ann Arbor
  • Study coordinator: Jones, David K.

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.