Glioblastoma cells release GABA that affects the immune environment

Glioblastoma-secreted GABA contributes to the immunosuppressive environment

NIH-funded research University of California Los Angeles · NIH-10809148

This study is looking at how a brain tumor called glioblastoma uses a chemical called GABA to change the way the immune system works around it, and by understanding this, the researchers hope to find new ways to help the immune system fight the tumor better.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California Los Angeles NIH-funded
Lab location1 site (Los Angeles, United States)
Project IDNIH-10809148 on NIH RePORTER

What this research studies

This research investigates how glioblastoma, a highly aggressive brain tumor, secretes a neurotransmitter called GABA that alters the immune environment around the tumor. By examining how GABA influences immune cells, the study aims to understand its role in creating an immunosuppressive environment that allows tumors to grow unchecked. The researchers will use specialized cell lines that lack the enzyme responsible for GABA production to see how this affects immune cell behavior and tumor growth. This approach could lead to new strategies for enhancing immune responses against glioblastoma.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults aged 21 and older who have been diagnosed with glioblastoma.

Not a fit: Patients with other types of tumors or those who are not diagnosed with glioblastoma may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to innovative treatments that improve immune responses against glioblastoma, potentially increasing survival rates for patients.

How similar studies have performed: Previous studies have shown that targeting GABA in other tumor types has led to promising results, suggesting that this approach may also be effective in glioblastoma.

Where this research is happening

Los Angeles, 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 2026-06-13 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.