MRG receptors and their role in pain signaling
STRUCTURE AND FUNCTION OF MRG-FAMILY RECEPTORS
Researchers are working to learn how MRG receptors on sensory nerves respond to opioids and other drugs to help people with chronic pain.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Univ of North Carolina Chapel Hill NIH-funded |
| Lab location | 1 site (Chapel Hill, United States) |
| Project ID | NIH-11264906 on NIH RePORTER |
What this research studies
Researchers are mapping the structure and function of MRG family receptors, proteins on pain-sensing nerves that help control pain signals. They will study how opioids and other medications activate these receptors and trigger reactions such as mast-cell dependent hypersensitivity. The team will use molecular techniques, human-derived nerve cells, and genetic data (including variants found more commonly in people of African ancestry) to see how differences in these receptors change responses. The goal is to identify ways to block harmful reactions or guide development of new non-opioid pain treatments.
Who could benefit from this research
Good fit: Adults with chronic pain or people who have experienced opioid-related hypersensitivity or allergic-type reactions, and those willing to provide genetic or tissue samples, would be most relevant.
Not a fit: Children under 21 and patients whose pain is driven entirely by central nervous system disorders unrelated to peripheral sensory neurons may not benefit directly from this work.
Why it matters
Potential benefit: If successful, this work could lead to safer, non-opioid pain treatments and ways to prevent drug-induced hypersensitivity.
How similar studies have performed: Some earlier studies have linked MRGPRX2 and MRGPRX4 to drug responses in humans, but turning these findings into proven non-opioid therapies is still at an early, experimental stage.
Where this research is happening
Chapel Hill, United States
- Univ of North Carolina Chapel Hill — Chapel Hill, United States (Active)
Researchers
- Principal investigator: Roth, Bryan L. — Univ of North Carolina Chapel Hill
- Study coordinator: Roth, Bryan L.
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.