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Scientific article
English

Rapid generation of stable transgenic embryonic stem cell lines using modular lentivectors

Published inStem cells, vol. 24, no. 3, p. 615-623
Publication date2006
Abstract

Generation of stable transgenic embryonic stem (ES) cell lines by classic transfection is still a difficult task, requiring time-consuming clonal selection, and hampered by clonal artifacts and gene silencing. Here we describe a novel system that allows construction of lentivectors and generation of stable ES cell lines with > 99% transgene expression within a very short time frame. Rapid insertion of promoters and genes of interest is obtained through a modular recombinational cloning system. Vectors contain central polypurine tract from HIV-1 element and woodchuck hepatitis virus post-transcriptional regulatory element as well as antibiotic resistance to achieve optimal and homogenous transgene expression. We show that the system 1) is functional in mouse and human ES cells, 2) allows the generation of ES cells expressing genes of interest under the control of ubiquitous or tissue-specific promoters, and 3) allows ES cells expressing two constructs through selection with different antibiotics to be obtained. The technology described herein should become a useful tool in stem cell research.

Keywords
  • Animals
  • Cell Line
  • Embryo, Mammalian/cytology/ physiology
  • Gene Expression/genetics
  • Genetic Vectors
  • Humans
  • Lentivirus
  • Mice
  • Recombination, Genetic/genetics
  • Regulatory Elements, Transcriptional/genetics
  • Stem Cells/cytology/ physiology
  • Transduction, Genetic/methods
  • Transgenes/genetics
Citation (ISO format)
SUTER, D. M. et al. Rapid generation of stable transgenic embryonic stem cell lines using modular lentivectors. In: Stem cells, 2006, vol. 24, n° 3, p. 615–623. doi: 10.1634/stemcells.2005-0226
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ISSN of the journal1066-5099
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