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Germline transgenesis in pigs by cytoplasmic microinjection of Sleeping Beauty transposons

Z. Ivics, W. Garrels, L. Mátés, TY. Yau, S. Bashir, V. Zidek, V. Landa, A. Geurts, M. Pravenec, T. Rülicke, WA. Kues, Z. Izsvák,

. 2014 ; 9 (4) : 810-27.

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc15023541
E-zdroje Online Plný text

NLK ProQuest Central od 2006-06-01 do Před 1 rokem
Medline Complete (EBSCOhost) od 2013-03-01 do 2015-12-31
Health & Medicine (ProQuest) od 2006-06-01 do Před 1 rokem

Odkazy

PubMed 24625780
DOI 10.1038/nprot.2014.010
Knihovny.cz E-zdroje

The pig has emerged as an important large animal model in biomedical and pharmaceutical research. We describe a protocol for high-efficiency germline transgenesis and sustained transgene expression in pigs by using the Sleeping Beauty (SB) transposon system. The protocol is based on co-injection of a plasmid encoding the SB100X hyperactive transposase, together with a second plasmid carrying a transgene flanked by binding sites for the transposase, into the cytoplasm of porcine zygotes. The transposase mediates excision of the transgene cassette from the plasmid vector and its permanent insertion into the genome to produce stable transgenic animals. This method compares favorably in terms of both efficiency and reliable transgene expression to classic pronuclear microinjection or somatic cell nuclear transfer (SCNT), and it offers comparable efficacies to lentiviral approaches, without limitations on vector design, issues of transgene silencing and the toxicity and biosafety concerns of working with viral vectors. Microinjection of the vectors into zygotes and transfer of the embryos to recipient animals can be performed in 1 d; generation of germline-transgenic lines by using this protocol takes ∼1 year.

Citace poskytuje Crossref.org

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