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Efficient Generation of Human IgG1 Light Kappa Constant Region Knock-in Mouse by CRISPR/Cas9 System

  • Jung, Sundo (Department of Biomedical Laboratory Science, Shinhan University)
  • Received : 2019.11.12
  • Accepted : 2019.12.20
  • Published : 2019.12.31

Abstract

Mice with specific modified genes are useful means of studying development and disease. The CRISPR/Cas9 system is a very powerful and effective tool for generating genetically modified mice in a simple and fast manner. To generate human IgG light kappa constant knock-in mice, we tested by microinjection of a mixture of Cas9 protein, single-guide RNA and target homologous recombinant donor DNA into zygotes. We found that the injection of 10 ng/μL of Cas9 protein and crRNA/tracrRNA, rather than single guide RNA, induced the production of knock-in mice more effectively. Thus, our study provides valuable information that will help to improve the production of knock-in mice and contribute the successful generation of humanized Ab-producing mice in Korea.

Keywords

References

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