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. 2017 Jan;45(1):134-145.
doi: 10.1177/0192623316675767. Epub 2016 Nov 4.

Translating Mouse Models

Affiliations

Translating Mouse Models

Rani S Sellers. Toxicol Pathol. 2017 Jan.

Abstract

Mice and humans branched from a common ancestor approximately 80 million years ago. Despite this, mice are routinely utilized as animal models of human disease and in drug development because they are inexpensive, easy to handle, and relatively straightforward to genetically manipulate. While this has led to breakthroughs in the understanding of genotype-phenotype relationships and in the identification of therapeutic targets, translation of beneficial responses to therapeutics from mice to humans has not always been successful. In a large part, these differences may be attributed to variations in the alignment of protein expression and signaling in the immune systems between mice and humans. Well-established inbred strains of "The Laboratory Mouse" vary in their immune response patterns as a result of genetic mutations and polymorphisms arising from intentional selection for research relevant traits, and even closely related substrains vary in their immune response patterns as a result of genetic mutations and polymorphisms arising from genetic drift. This article reviews some of the differences between the mouse and human immune system and between inbred mouse strains and shares examples of how these differences can impact the usefulness of mouse models of disease.

Keywords: C57BL/6; comparative immunology; genetically engineered mice (GEM); immune variation; inbred mouse strains; mouse models.

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