Related Experiment Videos
Two-layer method in short-term pancreas preservation for successful islet isolation
1Department of Surgery, Columbia University, 630 West 168th Street, P&S 17-514, New York, NY 10032, USA. pw2004@columbia.edu
Transplantation Proceedings
|November 22, 2005
Summary
The Two Layer Method (TLM) significantly improves pancreatic islet isolation success rates compared to UW storage for locally procured organs. TLM increases islet yield and isolation success, offering a better option for transplantation.
Area of Science:
- Organ transplantation
- Islet isolation techniques
- Preservation solutions
Background:
- Optimizing islet isolation from locally procured pancreata is crucial for transplantation success.
- Evaluating novel preservation methods against standard solutions is essential for improving outcomes.
Purpose of the Study:
- To compare the efficacy of the Two Layer Method (TLM) against the University of Wisconsin (UW) storage solution for islet isolation.
- To assess the impact of these preservation methods on islet yield and quality for pancreata with cold ischemia time <8 hours.
Main Methods:
- A comparative study involving 22 locally procured human pancreata.
- Preservation using UW solution (n=11) versus TLM (n=11).
- Assessment of islet isolation yield (IEQ) and quality parameters post-preservation.
Main Results:
- TLM preservation resulted in a higher isolation success rate (72% vs 27%) meeting clinical transplantation criteria.
- Mean islet yield (IEQ) and IEQ per gram were significantly higher with TLM.
- Islet purity, viability, and insulin secretion capacity did not differ significantly between the groups.
Conclusions:
- The Two Layer Method demonstrates a significant advantage over UW solution for islet isolation from short cold ischemia time pancreata.
- TLM enhances both the yield and success rate of pancreatic islet isolation for clinical transplantation.
- This method offers improved outcomes for utilizing locally procured donor organs.