| 摘要 |
<p>The present invention provides a method comprising a step of transferring a cell proliferation factor gene into a mammalian liver cell to obtain an immortalized liver cell, a step of proliferating the immortalized liver cell, and a step of removing the cell proliferation factor gene from the immortalized liver cell; a large number of liver cells obtained therby; and a treating agent and a artificial liver comprising obtained liver cell.</p> |
