Co-invalidation of Prnp and Sprn in FVB/N mice affects reproductive performances and highlight complex biological relationship between PrP and Shadoo
2021
Castille, Johan | Passet, Bruno | Makhzami, Samira | Vilotte, Marthe | Moazami-Goudarzi, Katayoun | Truchet, Sandrine | Daniel-Carlier, Nathalie | Gaillard, Anne-Laure | Andréoletti, Olivier | Vaiman, Daniel | Beauvallet, Christian | Vaiman, Anne | Floriot, Sandrine | Calvel, Pierre | Mouillet-Richard, Sophie | Duchesne, Amandine | Béringue, Vincent | Vilotte, Jean-Luc | Génétique Animale et Biologie Intégrative (GABI) ; AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Virologie et Immunologie Moléculaires (VIM (UR 0892)) ; Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Institut Cochin (IC UM3 (UMR 8104 / U1016)) ; Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) | Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)) ; École Pratique des Hautes Études (EPHE) ; Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPCité) | INRAE Animal Genetic department projectAAP.GA.2013
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Afficher plus [+] Moins [-]anglais. Shadoo and PrP belongs to the same protein family, whose biological function remains poorly understood. Previous experiments reported potential functional redundancies or antagonisms between these two proteins, depending on the tissue analysed. While knockdown experiments suggested the requirement of Shadoo in the absence of PrP during early mouse embryogenesis, knockout ones, on the contrary, highlighted little impact, if any, of the double-knockout of these two loci. In the present study, we reinvestigated the phenotype associated with the concomitant knockout of these two genes using newly produced FVB/N Sprn knockout mice. In this genetic background, the combined two genes' knockout induces intra-uterine growth retardations, likely resulting from placental failures highlighted by transcriptomic analyses that revealed potential redundant or antagonist roles of these two proteins in different developmental-related pathways. It also induced an increased perinatal-lethality and ascertained the role of these two loci in the lactation process.
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