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Electrospun Polyhydroxyethyl-Aspartamide-Polylactic Acid Scaffold for Biliary Duct Repair: A Preliminary In Vivo
S Buscemi1, G Damiano2, S Fazzotta2
1PhD Course in Oncology and Experimental Surgery, University of Palermo, Palermo, Italy.
Transplantation Proceedings
|May 2, 2017
Summary
This study shows a new biodegradable scaffold resists bile corrosion and supports tissue growth. It holds promise for repairing serious bile duct injuries using resorbable copolymers.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Gastroenterology
Background:
- Traditional therapies for bile duct injuries have limitations.
- Tissue engineering offers a promising alternative approach.
- Biodegradable scaffolds are needed for tissue repair in the biliary tract.
Purpose of the Study:
- To evaluate a novel resorbable electrospun scaffold for its resistance to bile's corrosive action.
- To assess the scaffold's ability to support cell infiltration and neoangiogenesis.
- To determine the scaffold's potential as a biodegradable tissue substitute for bile duct injuries.
Main Methods:
- A resorbable electrospun polyhydroxyethyl-aspartamide-polylactic acid (PHEA/PLA)/polycaprolactone (PCL) scaffold was fabricated.
- The scaffold was implanted into rabbit gallbladders as a plate and tubular structure.
- In vivo effects were assessed at 15 days and 3 months post-implantation.
Main Results:
- The scaffold's fibrillar structure remained intact and organized, showing resistance to bile's lytic action.
- New epithelial tissue formation was observed on the scaffold surface.
- The scaffold demonstrated suitability for tissue regeneration in a bile environment.
Conclusions:
- The developed scaffold is resistant to bile corrosion and promotes tissue regeneration.
- This biodegradable copolymer scaffold shows potential for repairing biliary tract injuries.
- Further studies are warranted to explore its application in treating bile duct injuries.
