How changes to PD-L1 affect cancer diagnosis and treatment
PD-L1 MODIFICATIONS IN CANCER DIAGNOSIS AND TREATMENT
This project looks at how chemical tags on the PD-L1 protein change tumor tests and responses to PD-1/PD-L1 immunotherapies for people with cancers that express PD-L1.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Baylor College of Medicine NIH-funded |
| Lab location | 1 site (Houston, United States) |
| Project ID | NIH-11290798 on NIH RePORTER |
What this research studies
From a patient's perspective, researchers are studying small chemical changes to the PD-L1 protein that help tumors hide from the immune system. Their lab work found that an enzyme adds a tag that moves PD-L1 onto the tumor cell surface, where it can block T cells. The team will study tumor samples and laboratory models to understand this tagging process and how it affects PD-L1 tests and antibody treatments. The goal is to link these molecular changes to more reliable diagnostics and better use of immunotherapy for patients.
Who could benefit from this research
Good fit: Ideal candidates are people with cancers where PD-L1 is measured (for example certain lung, head and neck, or melanoma tumors) or patients willing to provide tumor tissue for research.
Not a fit: Patients with cancers that do not express PD-L1 or those not eligible for PD-1/PD-L1–targeted therapies are less likely to benefit directly from this work.
Why it matters
Potential benefit: If successful, this work could make PD-L1 tests more accurate and help doctors choose immunotherapies more reliably, improving treatment decisions for patients.
How similar studies have performed: Blocking PD-1/PD-L1 with antibodies has transformed cancer care, but studying PD-L1 post-translational modifications and their diagnostic impact is a newer and still emerging area.
Where this research is happening
Houston, United States
- Baylor College of Medicine — Houston, United States (Active)
Researchers
- Principal investigator: Li, Yong — Baylor College of Medicine
- Study coordinator: Li, Yong
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.