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Transgenic Res. 2015 Jun;24(3):509-17. doi: 10.1007/s11248-015-9866-8. Epub 2015 Feb 26.

Viable pigs with a conditionally-activated oncogenic KRAS mutation.

Author information

1
Chair of Livestock Biotechnology, Technische Universität München, Liesel-Beckmann-Straße 1, 85354, Freising, Germany.

Abstract

Oncogenic mutations of KRAS play a major role in human carcinogenesis. Here we describe viable gene-targeted pigs carrying a latent KRAS (G12D) mutant allele that can be activated by Cre recombination. These have been produced as part of a program to model human cancers in pigs by replicating genetic lesions known to initiate and drive human disease. Cre-activated KRAS (G12D) animals add to a growing set of gene-targeted pigs that includes a Cre-activated oncogenic mutant TP53, a Cre-responsive dual fluorescent reporter and two truncating mutations of APC (adenomatous polyposis coli). These alleles can be combined and activated in various tissues to produce new models for cancer research.

PMID:
25716163
DOI:
10.1007/s11248-015-9866-8
[Indexed for MEDLINE]

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