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Generation of a conditional transgenic mouse model expressing human Phospholipase A2 Receptor 1

Abstract : The Phospholipase A2 Receptor 1 (PLA2R1) was first identified for its ability to bind some secreted PLA2s (sPLA2s). It belongs to the C-type lectin superfamily and it binds different types of proteins. It is likely a multifunctional protein that plays a role i) in inflammation and inflammatory diseases, ii) in cellular senescence, a mechanism participating in aging and age-related diseases including cancer, and iii) in membranous nephropathy (MN), a rare autoimmune kidney disease where PLA2R1 is the major autoantigen. To help study the role of PLA2R1 in these pathophysiological conditions, we have generated a versatile NeoR-hPLA2R1 conditional transgenic mice which will allow the specific expression of human PLA2R1 (hPLA2R1) in relevant organs and cells following Cre recombinase-driven excision of the NeoR-stop cassette flanked by LoxP sites. Proof-of-concept breeding of NeoR-hPLA2R1 mice with the ubiquitous adenoviral EIIa promoter-driven Cre mouse line resulted in the expected excision of the NeoR-stop cassette and the expression of hPLA2R1 in all tested tissues. These Tg-hPLA2R1 animals breed normally, with no reproduction or apparent growth defect. These models, especially the NeoR-hPLA2R1 conditional transgenic mouse line, will facilitate the future investigation of PLA2R1 functions in relevant pathophysiological contexts, including inflammatory diseases, age-related diseases and MN.
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Submitted on : Thursday, June 11, 2020 - 5:48:15 PM
Last modification on : Thursday, August 4, 2022 - 4:57:38 PM


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Sara Jaber, Delphine Goehrig, Philippe Bertolino, Amélie Massemin, Franck Bihl, et al.. Generation of a conditional transgenic mouse model expressing human Phospholipase A2 Receptor 1. Scientific Reports, Nature Publishing Group, 2020, 10 (1), pp.8190. ⟨10.1038/s41598-020-64863-y⟩. ⟨inserm-02865473⟩



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