How human brain stem cells and blood vessel cells communicate

Human neural stem cell and endothelial cell reciprocal interactions govern cell function

NIH-funded research University of California-Irvine · NIH-11187089

This work looks at how human brain stem cells and the cells that line blood vessels interact to inform better brain repair for people with neurological injury or disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California-Irvine NIH-funded
Lab location1 site (Irvine, United States)
Project IDNIH-11187089 on NIH RePORTER

What this research studies

Researchers grow human neural stem/progenitor cells and human blood-vessel (endothelial) cells together in a 3D scaffold that mimics the brain to observe their interactions. They compare direct cell-to-cell contact with the effects of substances released by stem cells to see how each influences stem cell identity and vessel formation. The team measures cell markers that indicate a long-lived stem cell state and watches for new vessel growth in the engineered tissue. Findings will pinpoint signals that could be used to improve stem-cell transplants or encourage blood vessel support after brain injury.

Who could benefit from this research

Good fit: People with brain injuries or neurodegenerative conditions are the kinds of patients who could eventually benefit from therapies informed by this work.

Not a fit: People without neurological conditions or those seeking immediate clinical treatments are unlikely to get direct benefit from this laboratory-focused research right now.

Why it matters

Potential benefit: If successful, this could help improve stem-cell-based brain repair by identifying ways to keep transplanted stem cells functional and promote supportive blood vessel growth.

How similar studies have performed: Related animal studies have shown that blood vessels influence neural stem cells and vice versa, but applying and confirming those findings in human cells and 3D systems is relatively new.

Where this research is happening

Irvine, 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.