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Spatial and temporal down-regulation of transgene expression using the TRSID-silencer in mice: Application to Prnp

Abstract : Spatial and temporal control of ovine prion protein (Prnp) gene expression was achieved in mice using two transgenes: a Prnp minigene with tet-operator sequences inserted 50 to exon 1 and a mouse neurofilament genomic clone carrying the chimeric-repressor TRSID cDNA. In bi-transgenic mice, ovine PrPC expression could be reversibly controlled in neuronal cells by doxycycline treatment whereas it remains constant in other cell types. Overall, this model opens opportunities to assess the involvement of cell types in prion diseases and PrP physiological function. It demonstrates the potentiality of the TRSIDsilencer to precisely control temporal and spatial gene expression in vivo.
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https://hal.inrae.fr/hal-02667679
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Submitted on : Sunday, May 31, 2020 - 11:11:12 AM
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Micaela Gallozzi, Vincent Beringue, Pauline Decaunes, Annick Le Dur, Karine Le Roux, et al.. Spatial and temporal down-regulation of transgene expression using the TRSID-silencer in mice: Application to Prnp. FEBS Letters, Wiley, 2008, 582 (15), pp.2219-2224. ⟨10.1016/j.febslet.2008.05.014⟩. ⟨hal-02667679⟩

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