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Development of a User-Friendly Dynamic Culture System for Decellularized Scaffold-Based Tissue Engineering.
Shujuan Fan1,2,3, Yerong Qian4, Dan Li2
1Department of Medical Information Management, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China.
ACS Biomaterials Science & Engineering
|August 29, 2025
Summary
A new dynamic culture platform overcomes limitations in tissue engineering. This user-friendly system significantly improves cell viability and function in large 3D tissue constructs, advancing regenerative medicine.
Area of Science:
- Biomedical Engineering
- Tissue Engineering
- Regenerative Medicine
Background:
- Traditional tissue engineering faces challenges with complex bioreactors and diffusion limits in static cultures.
- Developing efficient and user-friendly dynamic culture systems is crucial for large-scale tissue fabrication.
Purpose of the Study:
- To develop and validate a novel, integrated dynamic culture platform for improved tissue engineering.
- To overcome operational and biological barriers in current tissue engineering methods.
Main Methods:
- A miniaturized, user-friendly platform integrating a peristaltic pump, oxygenator, and perfusion circuits with smart control was developed.
- AML12 hepatocytes were cultured on decellularized rat liver scaffolds for 7 days using the dynamic platform and compared to static controls.
Main Results:
- Dynamic culture significantly enhanced cell viability and functional maturity compared to static controls.
- Proliferating cells (Ki67+) increased over 5-fold, while apoptotic cells (TUNEL+) decreased 32-fold in the dynamic system.
- Hepatic functions, including urea production, albumin, UGT1, and CYP2D6 expression, were significantly enhanced.
Conclusions:
- The integrated dynamic culture platform offers a simple, reliable solution for creating large, viable 3D tissue constructs.
- This technology addresses usability and mass transport challenges, advancing tissue engineering for regenerative medicine and disease modeling.
