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Design of a Biaxial Mechanical Loading Bioreactor for Tissue Engineering
Published on: April 25, 2013
Bioreactor for biaxial mechanical stimulation to tissue engineered constructs.
Karin A Wartella1, Jennifer S Wayne
1Department of Biomedical Engineering and Department of Orthopaedic Surgery, Orthopaedic Research Laboratory, Virginia Commonwealth University, Richmond, VA 23284-3067, USA.
Journal of Biomechanical Engineering
|March 12, 2009
Summary
A new biaxial bioreactor enhances tissue engineering by applying mechanical stimulation to tissue constructs. This method promotes cell growth and matrix deposition, aiding in the development of functional tissue implants.
Area of Science:
- Biomedical Engineering
- Tissue Engineering
- Regenerative Medicine
Background:
- Self-healing of complex biological tissues is challenging due to their intricate structure and in situ environment.
- Tissue engineering offers an in vitro approach to create replacement tissues using mechanical stimulation of constructs.
Purpose of the Study:
- To design, construct, and evaluate a novel biaxial bioreactor for mechanical stimulation of tissue constructs.
- To assess the bioreactor's accuracy in applying strain and its effect on tissue construct development.
Main Methods:
- A biaxial bioreactor was engineered and assembled.
- Position accuracy and strain application were tested.
- A tissue construct was stimulated within the bioreactor and compared to a non-stimulated control.
Main Results:
- The bioreactor demonstrated high position accuracy.
- A slight discrepancy was noted between applied and experienced strain on the scaffold.
- Stimulated constructs showed increased cell and matrix deposition compared to controls.
Conclusions:
- The developed biaxial bioreactor is effective for mechanically stimulating tissue constructs in two perpendicular directions.
- This technology can aid in creating tissue implants with tailored compressive and tensile properties.
