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Updated: Jun 28, 2026
05:09
Urethral Stricture Induction Followed by Buccal Mucosa Graft Urethroplasty in a Rat Model
Published on: April 28, 2023
[A preliminary experimental study on urethral reconstruction using tissue engineered oral mucosa]
Chao Li1, Yuemin Xu, Lujie Song
1Department of Urology, Sixth People's Hospital, Jiaotong University of Shanghai, Shanghai 200233, PR China.
Summary
Oral mucosa cells can be cultured in large quantities and show good biocompatibility with bladder acellular matrix grafts (BAMG). This engineered tissue holds promise as a new material for urethral reconstruction.
Area of Science:
- Regenerative Medicine
- Biomaterials Science
- Urology
Context:
- Tissue engineering offers novel solutions for reconstructive surgery.
- Urinary tract reconstruction faces challenges with current graft materials.
- Oral mucosa presents a potential alternative cell source for tissue regeneration.
Purpose:
- To assess the feasibility of using oral mucosa cells on bladder acellular matrix grafts (BAMG) for urethral reconstruction.
- To evaluate the in vitro expansion and biocompatibility of oral mucosa cells with BAMG.
Summary:
- Oral mucosa cells cultured with a 3T3 feeder layer demonstrated robust proliferation, reaching 7-8 passages with consistent morphology and function.
- Bladder acellular matrix grafts (BAMG) were successfully prepared and showed good acellularization.
- Tissue-engineered mucosa, created by seeding expanded oral mucosa cells onto BAMG, exhibited excellent biocompatibility and structural integrity after 1 week of culture.
Impact:
- This study demonstrates that rabbit oral mucosa cells can be cultured in sufficient quantities for tissue engineering applications.
- The successful combination of oral mucosa cells and BAMG provides a promising new biomaterial for urethral reconstruction.
- Further research may lead to improved clinical outcomes in patients requiring urethral repair or replacement.
