PORCINE CMP-N-ACETYLNEURAMINIC ACID HYDROXYLASE GENE
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Abstract
The present invention provides porcine CMP-N-Acetylneuraminic-Acid Hydroxylase (CMP-Neu5Ac hydroxylase) protein, cDNA, and genomic DNA regulatory sequences. Furthermore, the present invention includes porcine animals, tissues, and organs, as well as cells and cell lines derived from such animals, tissues, and organs, which lack expression of functional CMP-Neu5Ac hydroxylase. Such animals, tissues, organs, and cells can be used in research and in medical therapy, including in xenotransplantation, and in industrial livestock farming operations.
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85 Claims
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1-66. -66. (canceled)
- 67. A targeting vector for homologous recombination in a somatic cell comprising a marker sequence and a sequence homologous to a porcine genomic CMP-N-acetylneuraminic-acid (CMP-Neu5Ac) hydroxylase sequence, wherein said homologous sequence is sufficient to provide targeted insertion of the selectable marker sequence into a target CMP-Neu5Ac gene in a host.
Specification