Conditional Gene Expression in Mice Using a Sleeping Beauty Transposon
Author Information
Author(s): Aaron M. Geurts, Andew Wilber, Corey M. Carlson, Paul D. Lobitz, Karl J. Clark, Perry B. Hackett, R. Scott McIvor, David A. Largaespada
Primary Institution: University of Minnesota
Hypothesis
Can a transposon system be developed to report and conditionally express mouse genes in a tissue-specific manner?
Conclusion
The gene-trap tTA system can effectively mutate and reveal the expression of mouse genes, providing a valuable resource for studying gene function.
Supporting Evidence
- The gene-trap tTA vector was shown to activate a TRE-regulated luciferase transgene in a doxycycline-dependent manner.
- Transgenic mice demonstrated tissue-specific expression patterns of the tTA transactivator.
- The study identified parameters affecting germline mobilization rates of the transposon.
Takeaway
Scientists created a special tool that helps them turn on and off mouse genes in specific tissues, which can help them understand what those genes do.
Methodology
The study involved creating a gene-trap tTA vector, testing its functionality in vitro and in vivo, and analyzing transposon mobilization rates in transgenic mice.
Limitations
The efficiency of gene expression and transposon mobilization rates varied, and some insertions did not completely disrupt gene expression.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website