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dc.contributor.author | Gallego-Villar, Lorena | - |
dc.contributor.author | Viecelli, Hiu Man | - |
dc.contributor.author | Pérez, Belén | - |
dc.contributor.author | Harding, Cary O | - |
dc.contributor.author | Ugarte, Magdalena | - |
dc.contributor.author | Thöny, Beat | - |
dc.contributor.author | Desviat, Lourdes R. | - |
dc.date.accessioned | 2015-10-29T10:59:56Z | - |
dc.date.available | 2015-10-29T10:59:56Z | - |
dc.date.issued | 2014-09-16 | - |
dc.identifier | doi: 10.1038/mtna.2014.44 | - |
dc.identifier | issn: 2162-2531 | - |
dc.identifier.citation | Molecular Therapy - Nucleic Acids 3: e193 (2014) | - |
dc.identifier.uri | http://hdl.handle.net/10261/124097 | - |
dc.description.abstract | © 2014 The American Society of Gene & Cell Therapy All rights reserved. We have previously demonstrated the efficacy of antisense therapy for splicing defects in cellular models of metabolic diseases, suppressing the use of cryptic splice sites or pseudoexon insertions. To date, no animal models with these defects are available. Here, we propose exon skipping of the phenylalanine hydroxylase (Pah) gene expressed in liver and kidney to generate systemic hyperphenylalaninemia in mice as a sensitive in vivo assay to test splice suppression. Systemic elevation of blood L-Phe can be quantified using tandem MS/MS. Exon 11 and/or 12 skipping for the normal PAH gene was validated in hepatoma cells for comparing two oligonucleotide chemistries, morpholinos and locked nucleic acids. Subsequently, Vivo-morpholinos (VMO) were tested in wild-type and in phenotypically normal Pahenu2/+ heterozygous mice to target exon 11 and/or 12 of the murine Pah gene using different VMO dosing, mode of injection and treatment regimes. Consecutive intravenous injections of VMO resulted in transient hyperphenylalaninemia correlating with complete exon skipping and absence of PAH protein and enzyme activity. Sustained effect required repeated injection of VMOs. Our results provide not only a sensitive in vivo assay to test for splice-modulating antisense oligonucleotides, but also a simple method to generate murine models for genetic liver diseases. | - |
dc.description.sponsorship | Ministerio de Economia y Competitividad (SAF2010-17272 to L.R.D), COST Action BM1207 (L.R.D. is Management Committee member), the National Institute of Health (research grant no. 1R01HD057033 to C.O.H. and B.T.), the Children’s Research Center Zurich (to H.M.V.), the Swiss National Science Foundation (no. 310030-122045 to B.T.), and the Stiftung für wissen schaftliche Forschung der Universität Zurich (to B.T.). L.G.V is supported by fellowship BES-2011–045011 from Ministerio de Economia y Competitividad and was granted a short term stay fellowship from CIBERER | - |
dc.publisher | Nature Publishing Group | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | A sensitive assay system to test antisense oligonucleotides for splice suppression therapy in the mouse liver | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1038/mtna.2014.44 | - |
dc.date.updated | 2015-10-29T10:59:57Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | University of Zurich | - |
dc.contributor.funder | Swiss National Science Foundation | - |
dc.contributor.funder | University Children's Hospital Zurich | - |
dc.contributor.funder | National Institutes of Health (US) | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100006447 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100000002 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.pmid | 25226162 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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LourdesRDesviat_A SensitiveAssay.pdf | 1,54 MB | Adobe PDF | Visualizar/Abrir |
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