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Comparative Study
. 2020 Mar;50(3):353-362.
doi: 10.1002/eji.201948342. Epub 2019 Dec 11.

Comparative analysis of CreER transgenic mice for the study of brain macrophages: A case study

Louise Chappell-Maor  1 , Masha Kolesnikov  1 , Jung-Seok Kim  1 , Anat Shemer  1 , Zhana Haimon  1 , Jonathan Grozovski  1 , Sigalit Boura-Halfon  1 , Takahiro Masuda  2 , Marco Prinz  2   3   4 , Steffen Jung  1
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Free article
Comparative Study

Comparative analysis of CreER transgenic mice for the study of brain macrophages: A case study

Louise Chappell-Maor et al. Eur J Immunol. 2020 Mar.
Free article

Abstract

Conditional mutagenesis and fate mapping have contributed considerably to our understanding of physiology and pathology. Specifically, Cre recombinase-based approaches allow the definition of cell type-specific contributions to disease development and of inter-cellular communication circuits in respective animal models. Here we compared Cx3 cr1CreER and Sall1CreER transgenic mice and their use to decipher the brain macrophage compartment as a showcase to discuss recent technological advances. Specifically, we highlight the need to define the accuracy of Cre recombinase expression, as well as strengths and pitfalls of these particular systems that should be taken into consideration when applying these models.

Keywords: CreER; conditional mutagenesis; fate mapping; microglia; recombination.

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