Recombinant bacterial cells for delivery of PNP to tumor cells
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United States of America Patent
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Oct 25, 2005
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Jul 18, 2002
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Sep 14, 1993
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Abstract
The present invention provides a procaryotic host cell stably transformed or transfected by a vector including a DNA sequence encoding for purine nucleoside phosphorylase or hydrolase. The transformed or transfected procaryotic host cell can be used in combination with a purine substrate to treat tumor cells and/or virally infected cells.
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