Rapid Control of Genome Editing in Human Cells by Chemical-Inducible CRISPR-Cas Systems

Methods in Molecular Biology
Kaiwen Ivy LiuMeng How Tan

Abstract

Genome editing using programmable DNA endonucleases enables the engineering of eukaryotic cells and living organisms with desirable properties or traits. Among the various molecular scissors that have been developed to date, the most versatile and easy-to-use family of nucleases derives from CRISPR-Cas, which exists naturally as an adaptive immune system in bacteria. Recent advances in the CRISPR-Cas technology have expanded our ability to manipulate complex genomes for myriad biomedical and biotechnological applications. Some of these applications are time-sensitive or demand high spatial precision. Here, we describe the use of an inducible CRISPR-Cas9 system, termed iCas, which we have developed to enable rapid and tight control of genome editing in mammalian cells. The iCas system can be switched on or off as desired through the introduction or removal of the small molecule tamoxifen or its related analogs such as 4-hydroxytamoxifen (4-HT).

Citations

Jul 4, 2019·Current Gene Therapy·Cia-Hin Lau, Chung Tin

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