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Updated: Feb 2, 2026
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Generation of Self-assembled Vascularized Human Skin Equivalents
Published on: February 12, 2021
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Perfusable and stretchable 3D culture system for skin-equivalent.
Nobuhito Mori1,2, Yuya Morimoto1, Shoji Takeuchi1,3
1Center for International Research on Integrative Biomedical Systems, Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan.
Biofabrication
|November 16, 2018
Summary
This study presents a novel perfusable and stretchable culture system that significantly improves skin-equivalent development. Dynamic stretching and perfusion enhance epidermal differentiation and dermal fibroblast density for better skin tissue engineering.
Area of Science:
- Tissue Engineering
- Biomaterials Science
- Regenerative Medicine
Background:
- Developing functional skin-equivalents is crucial for wound healing and drug testing.
- Current methods often lack the dynamic physiological conditions found in native skin.
- A need exists for advanced culture systems that mimic in vivo environments.
Purpose of the Study:
- To develop and characterize a novel perfusable and stretchable culture system for skin-equivalents.
- To investigate the impact of dynamic stretching and perfusion on skin-equivalent morphology and differentiation.
- To establish a versatile platform for studying skin-equivalent biology and improving tissue engineering.
Main Methods:
- Fabrication of a flexible culture device with integrated vascular channel connections.
- Integration of a rapid-prototyped stretching apparatus for adjustable mechanical stimuli.
- Culture of skin-equivalents under dynamic stretching and perfusion conditions, with comparative static and non-dynamic controls.
- Morphological and histological analysis of epidermal and dermal layers.
Main Results:
- Dynamic stretching and perfusion significantly improved skin-equivalent morphology.
- The epidermal layer showed increased thickness and differentiation compared to static or unstretched controls.
- The dermal layer exhibited higher fibroblast density due to enhanced nutrient and oxygen supply via perfusion.
- The system demonstrated improved skin-equivalent development and viability.
Conclusions:
- The developed perfusable and stretchable culture system effectively enhances skin-equivalent development.
- Dynamic mechanical stimuli and perfusion are critical for improving epidermal and dermal layer quality.
- This system offers a valuable tool for advancing skin tissue engineering and biological studies.
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