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. 2013 Nov 13:27:5A.6.1-5A.6.8.
doi: 10.1002/9780470151808.sc05a06s27.

Retroviral gene expression control in primary organoid cultures

Bon-Kyoung Koo  1 , Valentina Sasselli  1 , Hans Clevers  1
Affiliations

Retroviral gene expression control in primary organoid cultures

Bon-Kyoung Koo et al. Curr Protoc Stem Cell Biol. .

Abstract

In this unit, we describe a protocol for regulated gene expression in primary endodermal organoid culture using retroviral vectors. The study of gene function in endodermal epithelia such as those lining the stomach, small intestine, and colon has so far mainly relied on the generation of transgenic mouse lines. Establishing such animal models is laborious, expensive, and time-consuming. Ever-expanding endodermal organoids, grown in an in vitro 3-D epithelial culture system, faithfully recapitulate the in vivo counterpart and represent a sustainable alternative. Gene overexpression and knockdown can be achieved in organoids by retroviral transduction. The technique can also be applied to organoids derived from pre-established mutant mouse lines or used in combination with chemical and biological inhibitors or activators. This method provides a novel, versatile tool for phenotypic analysis of endodermal epithelium in vitro.

Keywords: 3R; Lgr5-positive stem cells; organoid culture; retrovirus; transgenic animal model.

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References

Literature Cited

References
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Internet Resources
    1. http://www.addgene.org/browse/article/4977/

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