| 摘要 |
Non-human mammalian hosts are provided, comprising functional human hepatocytes. Isolated human hepatocytes or fragments of human hepatic tissue are introduced into the xenogeneic host in conjunction with one or more agent that stimulates human hepatocyte growth factor receptor. The human hepatocytes are maintained in the host by administration of one or more agent that stimulates human hepatocyte growth factor receptor, either continuously (<i>e.g.</i>, via an implanted catheter or intravenous apparatus) or in discrete, regular dosages of the agent (<i>e.g.</i>), via intravenous injections or oral dosages). The human hepatocytes are able to survive and function in the host animal for a period of at least 5 months.
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