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Methods Mol Biol. 2010;602:37-54. doi: 10.1007/978-1-60761-058-8_3.

Genetically engineered mouse models in drug discovery research.

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1
Genetically Modified Models Center of Emphasis, Pfizer Global Research and Development, Pfizer Inc., Groton, CT, USA.

Abstract

Genetically modified mouse models have been proven to be a powerful tool in drug discovery. The ability to genetically modify the mouse genome by removing or replacing a specific gene has enhanced our ability to identify and validate target genes of interest. In addition, many human diseases can be mimicked in the mouse and signaling pathways have been shown to be conserved. In spite of these advantages the technology has limitations. In transgenic animals there may be significant heterogeneity among different founders. In knock-out animals the predicted phenotypes are not always readily observed and occasionally a completely novel and unexpected phenotype emerges. To address the latter and ensure that a deep knowledge of the target of interest is obtained, we have developed a comprehensive phenotyping program which has identified novel phenotypes as well as any potential safety concerns which may be associated with a particular target. Finally we continue to explore innovative technologies as they become available such as RNAi for temporal and spatial gene knock-down and humanized models that may better simulate human disease states.

PMID:
20012391
DOI:
10.1007/978-1-60761-058-8_3
[Indexed for MEDLINE]
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