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Minced Tissue in Compressed Collagen: A Cell-containing Biotransplant for Single-staged Reconstructive Repair
Published on: February 24, 2016
A collagen matrix derived from bladder can be used to engineer smooth muscle tissue
Byung-Soo Kim1, Anthony Atala, James J Yoo
1Department of Bioengineering, Hanyang University, Seoul, South Korea.
World Journal of Urology
|July 3, 2008
Summary
Bladder submucosa (BSM) matrix supports urinary smooth muscle cell growth and function. This biomaterial promotes the regeneration of functional, contractile urinary smooth muscle tissue for reconstruction.
Area of Science:
- Biomaterials Science
- Urology
- Tissue Engineering
Background:
- Bladder submucosa (BSM) matrix, derived from lamina propria, is a collagen-based biomaterial.
- BSM matrix has shown promise in previous urologic reconstruction applications.
Purpose of the Study:
- To evaluate BSM matrix for urinary smooth muscle tissue engineering.
- Assess BSM matrix's physical properties, biocompatibility, cellular interactions, and tissue regeneration capabilities.
Main Methods:
- Characterized physical properties of BSM matrix.
- Assessed in vitro biocompatibility and cellular interactions with human urinary smooth muscle cells.
- Evaluated in vivo regeneration of urinary smooth muscle tissue post-implantation.
Main Results:
- BSM matrix exhibits native-like structure, composition, and mechanical properties.
- BSM matrix supported human urinary smooth muscle cell metabolism and proliferation without cytotoxicity.
- In vivo implantation led to regeneration of contractile urinary smooth muscle tissue.
Conclusions:
- BSM matrix is a suitable biomaterial for urinary smooth muscle tissue engineering.
- The matrix supports cell function and promotes the formation of functional, contractile tissue.
- BSM matrix holds potential for urinary smooth muscle reconstruction applications.

