Insulin promoter factor, and uses related thereto
AssigneeOntogeny, Inc.
InventorThomas Edlund
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Abstract
The present invention relates to the discovery in eukaryotic cells, particularly mammalian cells, of novel a transcriptional regulatory factor, referred to hereinafter as "Insulin Promoter Factor 1" or "Ipf1".
Claims13
A transgenic mouse having incorporated into its genome a heterologous nucleic acid which inhibits, by homologous recombination with an endogenous Ipf1 gene, expression of the endogenous Ipf1 gene, wherein said mouse lacks an insulin-producing pancreas.
A transgenic mouse in which Ipf1 gene expression is inhibited by homologous recombination of an endogenous Ipf1 gene with a transgene, wherein said mouse lacks an insulin-producing pancreas.
A transgenic mouse comprising stem and germ line cells whose chromosomal DNA is modified to include a heterologous nucleic acid, which inhibits, by homologous recombination with an endogenous Ipf1 gene of the mammal, expression of the endogenous Ipf1 gene, wherein said mouse lacks an insulin-producing pancreas.
A transgenic mouse having incorporated into its genome a heterologous nucleic acid which inhibits, by homologous recombination with an allele of an endogenous Ipf1 gene, expression of the said allele of said endogenous Ipf1 gene, which mouse is heterozygous for homologous recombination of the endogenous Ipf1 gene and can be bred to produce a homozygous mouse lacking an insulin-producing pancreas.
Dependencies are inferred from the claim text.