Skin microbes and the AHR: keeping your skin barrier healthy

Decoding microbial-Aryl Hydrocarbon Receptor interactions at the skin barrier interface

NIH-funded research Washington University · NIH-11192904

Researchers are looking at how skin microbes and a sensor called the aryl hydrocarbon receptor (AHR) help keep the skin barrier strong, which could help people with eczema, psoriasis, acne, or rosacea.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionWashington University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11192904 on NIH RePORTER

What this research studies

This work looks at how friendly microbes on the skin communicate with skin cells through a sensor called AHR to control barrier strength and repair. The team will use lab-grown skin cells, tissue or animal models, and microbial samples to map the signaling pathways involved. They will also test how environmental factors like ultraviolet light and air pollutants change these microbe–AHR interactions. Results are intended to point toward ways to strengthen the skin barrier or block harmful signals that trigger inflammation.

Who could benefit from this research

Good fit: Ideal candidates would be people with skin barrier problems such as atopic dermatitis (eczema), psoriasis, acne, or rosacea who are willing to provide skin samples or visit a research site.

Not a fit: People without skin barrier conditions or whose illness is unrelated to AHR signaling are less likely to benefit in the short term.

Why it matters

Potential benefit: If successful, this work could point to new treatments or skin therapies that restore the barrier and reduce flares in eczema, psoriasis, acne, or rosacea.

How similar studies have performed: Early laboratory studies suggest AHR and skin microbes influence barrier function, but translating this to human treatments is still new.

Where this research is happening

Saint Louis, 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.
Last reviewed 2026-06-13 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.