Related Experiment Video
Updated: Aug 13, 2026

05:23
Demonstrating Hairy and Glabrous Skin Innervation in a 3D Pattern Using Multiple Fluorescent Staining and Tissue Clearing Approaches
Published on: May 20, 2022
Skin innervation and its in vitro modeling
Émilie Genin1,2, Lucile Guerber2, Elodie Aymard2
1LOEX, CHU de Quebec - Laval University Research Center and Department of Surgery, Faculty of Medicine, Laval University, Quebec City, QC, Canada.
Frontiers in Cellular Neuroscience
|August 12, 2026
Summary
Advanced 3D skin models now replicate human skin innervation, enabling study of neuroimmune interactions. These models aid in developing targeted therapies for skin diseases with fewer side effects.
Area of Science:
- Neuroscience and Dermatology
- Tissue Engineering and Immunology
Background:
- Skin innervation involves sensory fibers (Aβ, Aδ, C fibers) detecting touch, temperature, pain, and mediating neurogenic inflammation.
- Skin innervation's role in detecting pathogens and modulating immune responses (TH1, TH2, TH17) is a growing area of interest for skin diseases.
- Understanding neuroimmune interactions is crucial for developing novel therapeutic strategies for dermatological conditions.
Purpose of the Study:
- To review the development and capabilities of in vitro skin innervation models.
- To highlight the challenges and advancements in creating complex 3D skin models.
- To emphasize the potential of these models for studying skin diseases and developing new therapies.
Main Methods:
- Development of 2D and 3D in vitro culture systems to model skin innervation.
- Utilizing air-liquid interface cultures to promote epidermal differentiation in skin models.
- Engineering advanced 3D models incorporating sensory neurons, Schwann cells, vascular networks, and immune cells.
- Integration of microelectrode arrays for real-time monitoring of neuronal electrical activity.
Main Results:
- Advanced 3D tissue-engineered models successfully replicate innervated skin structures.
- These models recapitulate disease phenotypes using patient-derived cells.
- Real-time monitoring of neuronal activity is achievable within these complex in vitro systems.
Conclusions:
- In vitro modeling of skin innervation offers a powerful tool for advancing dermatological research.
- These models facilitate the study of neuroimmune interactions in various skin conditions.
- Targeting innervation through these models promises novel therapies with potentially fewer side effects than conventional treatments.

