How potassium levels and astrocyte function affect brain cell activity

Extracellular Potassium and Astrocytic Kir4.1 Modulate Interneuron Activity in the Cerebral Cortex

NIH-funded research Tufts University Boston · NIH-11080336

This study looks at how a special brain cell called an astrocyte helps manage potassium levels, which in turn affects other brain cells that help control brain signals, and it aims to find new ways to understand and treat conditions like epilepsy and neurodegenerative diseases.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTufts University Boston NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11080336 on NIH RePORTER

What this research studies

This research investigates the role of astrocytes, a type of brain cell, in regulating potassium levels and how this impacts the activity of interneurons, which are crucial for controlling brain signaling. The study focuses on a specific potassium channel, Kir4.1, and its influence on neuronal excitability and synaptic function. By examining how changes in potassium levels affect these interneurons, the research aims to uncover new insights into conditions like epilepsy and neurodegenerative disorders. Patients may benefit from a better understanding of these mechanisms, potentially leading to new treatment strategies.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with epilepsy or neurodegenerative disorders that may be linked to astrocyte function and potassium regulation.

Not a fit: Patients with conditions unrelated to neuronal excitability or astrocyte function may not receive any benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for epilepsy and other neurodegenerative disorders by targeting the mechanisms of interneuron activity.

How similar studies have performed: Previous research has shown promising results in understanding the role of astrocytes in neuronal activity, suggesting that this approach could yield significant insights.

Where this research is happening

Boston, United States

Researchers

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 below.
Last reviewed 2026-06-09 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.