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Effects of anticoagulants on porcine hepatocytes in vitro: implications in the porcine hepatocyte-based bioartificial liver



Effects of anticoagulants on porcine hepatocytes in vitro: implications in the porcine hepatocyte-based bioartificial liver



International Journal of Artificial Organs 22(5): 329-333



For the clinical treatment with porcine hepatocyte-based bioartificial liver (BAL), the use of an anticoagulant in the extracorporeal system is essential. In this experiment, we studied the effect of various anticoagulants on cultured porcine hepatocytes. Porcine hepatocytes were isolated and seeded at a density of 2 x 10(5) cells on a collagen-coated plate in Dulbecco's modified Eagle's medium (DMEM) with 10% fetal calf serum (FCS). Twenty-four hours later, the medium was changed to DMEM with various anticoagulants such as nafamostat mesilate (NM), sodium heparin (SH) and sodium citrate (SC) at concentration used clinically. As a control, the hepatocytes were cultured in only DMEM. After culturing for 6 hours, the viability of the porcine hepatocytes, lactate dehydrogenase (LDH) release, lidocaine clearance (cytochrome p450 function) and albumin synthesis were investigated. SC did not affect either the viability or the p450 function of the hepatocytes. In the NM group, the viability of porcine hepatocytes and lidocaine clearance were decreased significantly more than in the other groups. SH did not affect the viability of porcine hepatocytes, however, it seemed to reduce the p450 function. In conclusion, SC may therefore be the optimal anticoagulant available for hepatocyte-based BAL circuit in terms of its cell toxicity.

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Accession: 010545708

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PMID: 10467932


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