NIH-funded research R01 grant

Major immune-friendly stem cell transplants to prevent graft rejection

Official title: Major histocompatibility complex gene editing to prevent hematopoietic stem cell graft rejection

Funded at University of California, San Diego · NIH-11392480 · Data updated 2026-11-12

A patient-facing approach to safer stem cell transplants by using gene editing to reduce immune rejection and improve chances of engraftment.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego
NIH-funded
Lab location1 site (La Jolla, United States)
Project startAugust 15, 2025
Project endMay 31, 2030
Funding year2026
Award (this year)$701,040
NIH project number5R01HL180336-02
Project IDNIH-11392480 on NIH RePORTER

Who could benefit from this research

Could help

Patients with blood diseases who are candidates for HSCT, especially those without fully matched donors.

Less likely to help

Patients not undergoing stem cell transplantation or those not eligible for haploidentical transplant approaches.

What this research studies

This project looks at improving hematopoietic stem cell transplants by combining methods that lower immune attack on donor cells with gentler conditioning of the patient. Researchers will study how to silence mismatched HLA genes in donor grafts to prevent rejection while preserving the patient’s ability to fight infections. The work uses human cell and graft models to test gene-editing strategies in the context of haploidentical transplants. If successful, these strategies could mean more patients have access to HSCT with fewer complications.

Why it matters

Potential benefit: This research could lead to safer stem cell transplants with fewer complications and better survival for patients needing HSCT.

How similar studies have gone: Other studies have shown promise in reducing graft rejection with graft engineering and targeted conditioning, but this approach is still being evaluated for safety and effectiveness.

Where this research is happening

  • University of California, San Diego
    La Jolla, United States
    Active

Researchers

  • Principal investigator: Li, Hojun — University of California, San Diego
  • Study coordinator: Li, Hojun

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.