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Engineering of human cartilage rods: potential application for penile prostheses
Byung-Soo Kim1, James J Yoo, Anthony Atala
1Department of Urology, Children's Hospital and Harvard Medical School, Boston, MA 02115, USA.
The Journal of Urology
|September 28, 2002
Summary
Engineered human cartilage rods, created using ear chondrocytes on scaffolds, show promising mechanical properties for penile prostheses. This research offers a potential solution for penile reconstruction, reducing risks associated with artificial implants.
Area of Science:
- Tissue Engineering
- Biomaterials Science
- Regenerative Medicine
Background:
- Artificial penile prostheses carry biocompatibility risks.
- Previous studies showed success with autologous cartilaginous rods in animal models.
- Engineering patient-derived cartilage offers a biocompatible alternative.
Purpose of the Study:
- To investigate the feasibility of engineering human cartilage rods for penile prostheses.
- To assess the structural and mechanical properties of engineered human cartilage.
- To evaluate the potential of this technology for penile reconstruction.
Main Methods:
- Human ear chondrocytes were seeded onto biodegradable polymer scaffolds.
- Scaffolds were cultured in bioreactors and subsequently implanted subcutaneously in rats.
- Histological, structural, and mechanical analyses were performed on retrieved implants.
Main Results:
- Human chondrocytes formed mature cartilaginous rods on scaffolds.
- Engineered rods exhibited flexibility, elasticity, and high compressive strength.
- Mechanical properties were comparable to commercial silicone penile prostheses.
Conclusions:
- Human cartilage rods with suitable mechanical properties can be engineered using ear chondrocytes and scaffolds.
- This method demonstrates the feasibility of creating large-dimension human cartilage constructs.
- This tissue engineering approach holds potential for penile reconstruction and addressing biocompatibility concerns.