How Plexin‑D1 controls blood vessel diameter

Mechanistic bases of vessel diameter regulation by Plexind1 - Resubmission

['FUNDING_R01'] · NEW YORK UNIVERSITY SCHOOL OF MEDICINE · NIH-11114073

Researchers are learning how the Plexin‑D1 protein and blood flow work together to set artery and vein sizes so blood flows properly.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorNEW YORK UNIVERSITY SCHOOL OF MEDICINE (nih funded)
Locations1 site (NEW YORK, UNITED STATES)
Trial IDNIH-11114073 on ClinicalTrials.gov

What this research studies

This project uses transparent zebrafish embryos, mouse models, and human blood vessel cells grown in the lab to learn how Plexin‑D1 and its Semaphorin partners determine vessel caliber. The team will alter genes, apply controlled flow or flow-like forces, and use high-resolution imaging to observe changes in vessel structure and cell behavior. Comparative experiments across species will test which molecular and cellular mechanisms are conserved in mammals. The overall aim is to connect specific signaling events and structural changes to abnormal blood flow that can harm cardiovascular health.

Who could benefit from this research

Good fit: The project does not enroll patients, but adults with vascular conditions such as atherosclerotic disease, peripheral artery disease, or congenital vascular malformations would be most likely to benefit from future therapies based on these findings.

Not a fit: People without vascular disease or those needing immediate emergency care (for example, heart attack or stroke treatment) are unlikely to get direct benefit from this laboratory-focused research.

Why it matters

Potential benefit: If successful, this work could point to new targets for preventing or treating blood flow problems and related cardiovascular disease.

How similar studies have performed: Prior animal and cell studies have shown Semaphorin‑Plexin signaling influences vessel patterning, but using this pathway specifically to control vessel diameter is a newer and less-tested direction.

Where this research is happening

NEW YORK, 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.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.