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Prevention of Acute Liver Failure in Rats with Reversibly Immortalized Human Hepatocytes

Science  18 Feb 2000:
Vol. 287, Issue 5456, pp. 1258-1262
DOI: 10.1126/science.287.5456.1258

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Abstract

Because of a critical shortage in suitable organs, many patients with terminal liver disease die each year before liver transplantation can be performed. Transplantation of isolated hepatocytes has been proposed for the temporary metabolic support of patients awaiting liver transplantation or spontaneous reversion of their liver disease. A major limitation of this form of therapy is the present inability to isolate an adequate number of transplantable hepatocytes. A highly differentiated cell line, NKNT-3, was generated by retroviral transfer in normal primary adult human hepatocytes of an immortalizing gene that can be subsequently and completely excised by Cre/Lox site-specific recombination. When transplanted into the spleen of rats under transient immunosuppression, reversibly immortalized NKNT-3 cells provided life-saving metabolic support during acute liver failure induced by 90% hepatectomy.

  • * To whom correspondence should be addressed. E-mail: ntanaka{at}med.okayama-u.ac.jp (N.K.); ifox{at}surgery.unmc.edu(I.J.F.); paulvw{at}mit.edu (P.L.).

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