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Application of hydrogels in heart valve tissue engineering
Xing Zhang1, Bin Xu2, Daniel S Puperi2
1Department of Bioengineering, Rice University, Houston, TX 77030, USA; Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China.
Journal of Long-Term Effects of Medical Implants
|May 9, 2015
Summary
Heart valve tissue engineering (HVTE) explores hydrogels as promising scaffolds. Research reviews hydrogel properties, fabrication, and performance for improved valve replacements.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Cardiovascular Engineering
Background:
- Increasing demand for heart valve replacements necessitates advanced tissue engineering solutions.
- Current treatments face limitations, driving research into novel biomaterials for heart valve tissue engineering (HVTE).
- Hydrogels are emerging as key materials in HVTE due to their biocompatibility and potential as cell carriers.
Purpose of the Study:
- To review current research strategies in heart valve tissue engineering (HVTE).
- To emphasize the application, properties, and performance of hydrogels in HVTE.
- To explore future directions for hydrogel-based HVTE.
Main Methods:
- Comprehensive literature review of hydrogel applications in HVTE.
- Analysis of hydrogel physicochemical, mechanical, and biological properties.
- Evaluation of in vitro and in vivo performance data for various hydrogels.
Main Results:
- Natural hydrogels offer good bioactivity but lack mechanical strength; synthetic hydrogels provide tunable mechanics but challenge cell integration.
- Hydrogels can serve as effective cell carriers within engineered valve scaffolds.
- Performance data from bioreactor studies and animal models highlight hydrogel potential and limitations.
Conclusions:
- Hydrogels represent a significant area of interest for heart valve tissue engineering.
- Composite hydrogels offer a promising avenue for mimicking native valve mechanical properties and biological functions.
- Further research into composite hydrogel construction is crucial for advancing future HVTE.
