Related Experiment Video
Updated: Apr 16, 2026

11:28
3D Microtissues for Injectable Regenerative Therapy and High-throughput Drug Screening
Published on: October 4, 2017
10.9K
Dynamic nano-interfaces enable harvesting of functional 3D-engineered tissues.
Akihiro Nishiguchi1, Michiya Matsusaki1, Shigeru Miyagawa2
1Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka, 565-0871, Japan.
Advanced Healthcare Materials
|March 3, 2015
Summary
Researchers developed a new method to harvest functional 3D-engineered tissues using stimuli-responsive hydrogel films. This technique enables gentle tissue detachment for regenerative medicine and organ transplantation.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Tissue Engineering
Background:
- 3D-engineered tissues are crucial for regenerative medicine and transplantation.
- Current methods for tissue harvesting can cause damage and leave residual polymers.
- Developing non-damaging harvesting techniques is essential for clinical applications.
Purpose of the Study:
- To develop a novel method for harvesting functional 3D-engineered tissues.
- To utilize stimuli-responsive hydrogel films with dynamic nano-interfaces for controlled cellular detachment.
- To enable damage-free tissue harvesting for regenerative medicine.
Main Methods:
- Fabrication of stimuli-responsive hydrogel films with tunable nano-interfaces.
- Implementation of dynamic wettability control at the hydrogel-tissue interface.
- Assessment of cellular detachment and tissue integrity post-harvesting.
Main Results:
- Successful harvesting of functional 3D-engineered tissues from the substrate.
- Demonstrated damage-free tissue detachment with minimal residual polymers.
- Validated the efficacy of dynamic wettability control for cellular release.
Conclusions:
- Stimuli-responsive hydrogel films with dynamic nano-interfaces provide an effective strategy for tissue harvesting.
- This method offers a gentle and efficient approach for preparing engineered tissues for transplantation.
- The technique holds significant potential for advancing regenerative medicine and organ engineering.

