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Open Access Use of Perfluorodecalin for Pancreatic Islet Culture Prior to Transplantation: A Liquid‐Liquid Interface Culture System—Preliminary Report

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Although the issue remains controversial, short-term culture is probably beneficial for islet graft quality. However, significant islet loss is invariably observed. This is related to reduced survival of large islets, which is compromised by hypoxia under standard culture conditions. We aimed to develop a method of culture, which would avoid exposure to relative hypoxia and hence maintain the quality of islets. Isolated rat islets cultured for 48 h in a liquid‐liquid interface culture system (LICS) with a perfluorocarbon were compared to islets cultured under standard (C1) and suboptimal conditions (C2). Islets were tested for viability and response to a glucose challenge, and a marginal mass was transplanted into syngeneic diabetic recipients. The viability of islets after 24-h culture in LICS was higher than in C1 and C2 groups (89.0% vs. 77.5% and 64.6%, respectively) and decreased with time to reach 79.0%, 62.9%, and 53.4% after 72-h culture. The stimulation index in LICS-cultured islets was also significantly higher than in C1 and C2 groups (12.3 ± 0.4 vs. 5.8 ± 0.5 and 4.1 ± 0.2, respectively). Following transplantation of LICS-cultured islets 50% of recipients were rendered normoglycemic compared with 14.3% and 31.3% for C2 and fresh islets, respectively. Our liquid‐liquid interface culture system using perfluorodecalin provides optimized culture conditions, which preserve both islet viability and their ability to engraft successfully after intraportal transplantation and could be used for islet transportation.

Keywords: Cell culture; Hypoxia; Pancreatic islets; Perfluorocarbons; Rat; Syngeneic transplantation

Document Type: Research Article


Publication date: 2011-02-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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