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Human Hepatocyte Isolation and Relationship of Cell Viability to Early Graft Function

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Abstract:

Hepatocyte transplantation is emerging as an additional modality of treatment for patients with acute liver failure or liver-based metabolic disorders. The procedure requires isolation of high-quality hepatocytes from unused donor livers. Hepatocytes were isolated from 20 donor livers (11 right lobes, 3 left lateral segments, 6 whole livers) using a collagenase perfusion technique. Cell viability (median 56%, range 13–95%) and yield (median 1.4 × 109 cells, range 2.0 × 106–1.8 × 1010 cells) varied according to the tissue available. Fatty livers rejected for transplantation gave lower cell viability (median 45%, range 25–59%). There was a significant correlation between age of donor (median 21 years, range 7–66 years) and viability of isolated hepatocytes in vitro (r = −0.683, p = 0.001). The 13 segments of livers were from reduced/split grafts used for clinical transplantation in 9 children and 4 adults. There was no significant correlation between in vitro cell viability and clinical parameters including intensive care stay, serum aspartate aminotransferase, and international normalized ratio (in the first 7 days), and allograft rejection or other early posttransplant complications, in patients transplanted with the corresponding tissue.

Keywords: Collagenase perfusion; Graft function; Hepatocyte transplantation; Steatosis

Document Type: Research Article

DOI: http://dx.doi.org/10.3727/000000003783985197

Affiliations: Institute of Liver Studies, Guy's, King's and St. Thomas’ School of Medicine, and King's College Hospital, Denmark Hill, London, UK

Publication date: January 1, 2003

More about this publication?
  • 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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