Trophoblast-specific gene manipulation using lentivirus-based vectors

Trophoblast-specific gene manipulation using lentivirus-based vectors

The trophoblast layers of the mammalian placenta carry out many complex functions required to pattern the developing embryo and maintain its growth and survival in the uterine environment. Genetic disruption of many gene pathways can result in embryonic lethality because of placental failure, potent...

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Veröffentlicht in:BioTechniques. - 1993. - 42(2007), 3 vom: 07. März, Seite 317-8, 320, 322-5
1. Verfasser: Georgiades, Pantelis (VerfasserIn)
Weitere Verfasser: Cox, Brian, Gertsenstein, Marina, Chawengsaksophak, Kallayanee, Rossant, Janet
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:BioTechniques
Schlagworte:Journal Article Research Support, Non-U.S. Gov't RNA, Small Interfering Green Fluorescent Proteins 147336-22-9 RNA 63231-63-0 Cre recombinase EC 2.7.7.- Integrases
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520 |a The trophoblast layers of the mammalian placenta carry out many complex functions required to pattern the developing embryo and maintain its growth and survival in the uterine environment. Genetic disruption of many gene pathways can result in embryonic lethality because of placental failure, potentially confusing the interpretation of mouse knockout phenotypes. Development of tools to specifically and efficiently manipulate gene expression in the trophoblast lineage would greatly aid understanding of the relative roles of different genetic pathways in the trophoblast versus embryonic lineages. We show that short-term lentivirus-mediated infection of mouse blastocysts can lead to rapid expression of a green fluorescent protein (GFP) transgene specifically in the outer trophoblast progenitors and their later placental derivatives. Efficient trophoblast-specific gene knockdown can also be produced by lentivirus-mediated pol III-driven short hairpin RNA (shRNA) and efficient trophoblast-specific gene knockout by pol II-driven Cre recombinase lentiviral vectors. This lentivirus lineage-specific infection system thus facilitates both gain and loss of function studies during placental development in the mouse and potentially other mammalian species 
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700 1 |a Gertsenstein, Marina  |e verfasserin  |4 aut 
700 1 |a Chawengsaksophak, Kallayanee  |e verfasserin  |4 aut 
700 1 |a Rossant, Janet  |e verfasserin  |4 aut 
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