Volume 40, Issue 1 pp. 45-51
Technology Report
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Highly restricted expression of Cre recombinase in cerebellar Purkinje cells

Xin-Mei Zhang

Xin-Mei Zhang

Department of Biochemistry, University of Hong Kong, Faculty of Medicine Building, Pokfulam, Hong Kong SAR, China

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Alam Hoi-Lam Ng

Alam Hoi-Lam Ng

Department of Biochemistry, University of Hong Kong, Faculty of Medicine Building, Pokfulam, Hong Kong SAR, China

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Julian A. Tanner

Julian A. Tanner

Department of Biochemistry, University of Hong Kong, Faculty of Medicine Building, Pokfulam, Hong Kong SAR, China

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Wu-Tian Wu

Wu-Tian Wu

Department of Anatomy, University of Hong Kong, Faculty of Medicine Building, Pokfulam, Hong Kong SAR, China

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Neal G. Copeland

Neal G. Copeland

Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland

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Nancy A. Jenkins

Nancy A. Jenkins

Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland

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Jian-Dong Huang

Corresponding Author

Jian-Dong Huang

Department of Biochemistry, University of Hong Kong, Faculty of Medicine Building, Pokfulam, Hong Kong SAR, China

Department of Biochemistry, the University of Hong Kong, Faculty of Medicine Building, 21 Sassoon Road, Pokfulam, Hong Kong SAR, ChinaSearch for more papers by this author
First published: 01 September 2004
Citations: 88

Abstract

The Purkinje neuron, one of the most fascinating components of the cerebellar cortex, is involved in motor learning, motor coordination, and cognitive function. Purkinje cell protein 2 (Pcp2/L7) expression is highly restricted to Purkinje and retinal bipolar cells, where it has been exploited to enable highly specific, Cre recombinase-mediated, site-specific recombination. Previous studies showed that mice carrying a Cre transgene produced by insertion of Cre cDNA into a small 2.88-kb Pcp2 DNA fragment expressed Cre in Purkinje cells; however, some Cre activity was also observed outside the target tissues. Here, we used Red-mediated recombineering to insert Cre cDNA into a 173-kb BAC carrying the entire intact Pcp2 gene, and characterize the resultant BAC/Cre transgenic mice for Cre expression. We show that BAC/Cre transgenic mice have exclusive Cre expression in Purkinje and bipolar cells and nowhere else. These mice will facilitate Purkinje cell and retinal bipolar cell-specific genetic manipulation. genesis 40:45–51, 2004. © 2004 Wiley-Liss, Inc.

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