Saliva molecules (piRNAs) that help mouth wounds heal
The function role of salivary piRNAs in oral wound healing
['FUNDING_R21'] · UNIVERSITY OF CALIFORNIA LOS ANGELES · NIH-11145220
This work is learning how tiny saliva molecules called piRNAs might help people with slow-healing mouth sores heal faster.
Quick facts
| Phase | ['FUNDING_R21'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | UNIVERSITY OF CALIFORNIA LOS ANGELES (nih funded) |
| Locations | 1 site (LOS ANGELES, UNITED STATES) |
| Trial ID | NIH-11145220 on ClinicalTrials.gov |
What this research studies
From a patient viewpoint, researchers are studying saliva and mouth-surface cells to find small RNA molecules (piRNAs) that appear when oral wounds are healing. They will map which piRNAs are present in saliva and in oral keratinocytes, and test how changing those piRNAs affects cell migration and wound closure in lab models. Early results show that blocking certain oral piRNAs slows re-epithelialization, so the team will follow up with more experiments to understand the mechanisms. The work is done at UCLA using human-derived samples and laboratory wound models to connect saliva signals to tissue repair.
Who could benefit from this research
Good fit: Ideal candidates for future clinical steps would be people with persistent or slow-healing oral wounds or mouth sores that interfere with eating, speaking, or cause repeated infections.
Not a fit: People without oral wounds or whose sores are driven primarily by unrelated systemic causes (for example severe immunosuppression or advanced radiation damage) may not directly benefit from these findings in the short term.
Why it matters
Potential benefit: If successful, this work could point to new treatments that speed mouth wound healing, lower infection risk, and make eating and speaking easier for affected patients.
How similar studies have performed: Related research on other small RNAs like microRNAs has suggested roles in wound repair, but using salivary piRNAs for oral healing is a new and largely untested idea.
Where this research is happening
LOS ANGELES, UNITED STATES
- UNIVERSITY OF CALIFORNIA LOS ANGELES — LOS ANGELES, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: LI, FENG — UNIVERSITY OF CALIFORNIA LOS ANGELES
- Study coordinator: LI, FENG
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.