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The integration site of the APP transgene in the J20 mouse model of Alzheimer’s disease

Tosh, J; Rickman, M; Rhymes, E; Norona, F; Clayton, E; Mucke, L; Isaacs, A; ... Wiseman, F; + view all (2018) The integration site of the APP transgene in the J20 mouse model of Alzheimer’s disease. Wellcome Open Research , 2 , Article 84. 10.12688/wellcomeopenres.12237.2. Green open access

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Abstract

Background: Transgenic animal models are a widely used and powerful tool to investigate human disease and develop therapeutic interventions. Making a transgenic mouse involves random integration of exogenous DNA into the host genome that can have the effect of disrupting endogenous gene expression. The J20 mouse model of Alzheimer’s disease (AD) is a transgenic overexpresser of human APP with familial AD mutations and has been extensively utilised in preclinical studies and our aim was to determine the genomic location of the J20 transgene insertion. Methods: We used a combination of breeding strategy and Targeted Locus Amplification with deep sequencing to identify the insertion site of the J20 transgene array. To assess RNA and protein expression of Zbtb20, we used qRT-PCR and Western Blotting. Results: We demonstrate that the J20 transgene construct has inserted within the genetic locus of endogenous mouse gene Zbtb20 on chromosome 16 in an array , disrupting expression of mRNA from this gene in adult hippocampal tissue, while expression of Zbtb20 protein remains unchanged. We note that the endogenous mouse App gene also lies on chromosome 16, although 42 Mb from the Zbtb20 locus. Conclusions: These data will be useful for future studies utilising this popular model of AD, particularly those investigating gene interactions between the J20 APP transgene and other genes present on Mmu16 in the mouse.

Type: Article
Title: The integration site of the APP transgene in the J20 mouse model of Alzheimer’s disease
Open access status: An open access version is available from UCL Discovery
DOI: 10.12688/wellcomeopenres.12237.2
Publisher version: https://doi.org/10.12688/wellcomeopenres.12237.2
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Keywords: Transgenic, mouse model, Alzheimer’s disease, APP, Zbtb20, J20, Amyloid Precursor Protein
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Clinical and Experimental Epilepsy
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Neurodegenerative Diseases
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > UK Dementia Research Institute
URI: https://discovery.ucl.ac.uk/id/eprint/10072402
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