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Tissue engineering in pediatric urology - a critical appraisal
Frank-Mattias Schäfer1, Maximilian Stehr1
1Department of Pediatric Surgery and Pediatric Urology, Cnopfsche Kinderklinik, Nürnberg, Germany.
Innovative Surgical Sciences
|October 4, 2019
Summary
Tissue engineering in pediatric urology faces clinical translation challenges. Future strategies involve stem cells, signaling pathways, smart scaffolds, and immune modulation for better tissue regeneration.
Area of Science:
- Biomaterials and bioengineering principles applied to regenerative medicine.
Background:
- Clinical translation of tissue engineering in pediatric urology has been unsuccessful for both cell-seeded and acellular scaffolds.
- Limitations include the use of non-diseased models that do not accurately reflect diseased tissue characteristics.
Purpose of the Study:
- To address limitations in clinical applications of tissue engineering in pediatric urology.
- To propose future strategies for successful clinical translation.
Main Methods:
- Exploring various stem cell origins (mesenchymal, hematopoietic, urine-derived, urothelial progenitor cells).
- Investigating signaling pathways and dynamic reciprocity for tissue ingrowth and differentiation.
- Developing smart scaffolds for controlled trophic factor release.
- Modulating the innate immune response to improve regeneration outcomes.
Main Results:
- No single strategy is likely to yield clinically applicable tissue engineering solutions alone.
- Fundamental insights into regenerative processes of the lower urogenital tract have been gained.
Conclusions:
- A multi-faceted approach combining stem cell therapy, advanced biomaterials, and a deeper understanding of biological processes is necessary.
- Continued research into regenerative mechanisms is crucial for advancing tissue engineering in pediatric urology.
