Immortalized hepatocytes
First Claim
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1. A virally-immortalized porcine hepatocyte, said hepatocyte(a) being derived from a normal liver cell;
- (b) having retained differentiated hepatocyte-specific metabolic activity; and
(c) having the ability to proliferate, wherein said hepatocyte is nontumorigenic after prolonged culture.
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Abstract
The invention features a virally-immortalized mammalian hepatocyte, which is derived from a normal liver cell, has differentiated hepatocyte-specific metabolic activity, has the ability to proliferate, and is nontumorigenic after prolonged culture.
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Citations
38 Claims
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1. A virally-immortalized porcine hepatocyte, said hepatocyte
(a) being derived from a normal liver cell; -
(b) having retained differentiated hepatocyte-specific metabolic activity; and (c) having the ability to proliferate, wherein said hepatocyte is nontumorigenic after prolonged culture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A perfusion device comprising
(a) a housing defining a perfusion inlet and a perfusion outlet; -
(b) a porous membrane structure mounted within said housing to define a perfusion compartment and an adjacent hepatocyte compartment; and (c) virally-immortalized porcine hepatocytes, said hepatocytes (1) being derived from a normal liver cell, (2) having differentiated hepatocyte-specific metabolic activity, and (3) having the ability to proliferate, wherein said hepatocyte is nontumorigenic after prolonged culture.
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22. A perfusion device comprising
(a) a housing defining a perfusion inlet and a perfusion outlet; -
(b) a porous membrane structure mounted within said housing to define a perfusion compartment and an adjacent hepatocyte compartment; and (c) virally-immortalized mammalian hepatocytes, said hepatocytes (1) being derived from a normal liver cell, (2) having differentiated hepatocyte-specific metabolic activity, (3) comprising substantially pure DNA encoding wild type SV40 TAg, wherein expression of said TAg is inducible; and
(4) having the ability to proliferate, wherein said hepatocyte is nontumorigenic after prolonged culture. - View Dependent Claims (26, 27)
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23. A virally-immortalized mammalian hepatocyte, said hepatocyte
(a) being derived from a normal liver cell; -
(b) having retained differentiated hepatocyte-specific metabolic activity; (c) comprising substantially pure DNA encoding wild type SV40 TAg, wherein expression of said TAg is inducible; and (d) having the ability to proliferate, wherein said hepatocyte is nontumorigenic after prolonged culture. - View Dependent Claims (24, 25, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification