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Programmable nuclease-based integration into novel extragenic genomic safe harbor identified from...
  • 작성일2020-02-07
  • 최종수정일2020-02-10
  • 담당부서연구기획과
  • 연락처043-719-8033
  • 899

Molecular Therapy: Oncolytics, 2019. 14, 253-265, DOI: https://doi.org/10.1016/j.omto.2019.07.001


Programmable nuclease-based integration into novel extragenic genomic safe harbor identified from Korean population-based CNV analysis

Eun-Seo Lee, Sanghoon Moon; Kwaku Dad Abu-Bonsrah; Yun Kyoung Kim; Mi Yeong Hwang; Young Jin Kim; Seokjoong Kim; Nathaniel S. Hwang; Hyongbum Henry Kim; Bong-Jo Kim


Abstract

    Here, we found two genomic safe harbor (GSH) candidates from chromosomes 3 and 8, based on large-scale population-based cohort data from 4,694 Koreans by CNV analysis. Furthermore, estimated genotype of these CNVRs was validated by quantitative real-time PCR, and epidemiological data examined no significant genetic association between diseases or traits and two CNVRs. After screening the GSH candidates by in silico approaches, we designed TALEN pairs to integrate EGFP expression cassette into human cell lines in order to confirm the functionality of GSH candidates in an in vitro setting. As a result, transgene insertion into one of the two loci using TALEN showed robust transgene expression comparable to that with an AAVS1 site without significantly perturbing neighboring genes. Changing the promoter or cell type did not noticeably disturb this trend. Thus, we could validate two CNVRs as a site for effective and safe transgene insertion in human cells.



  • 본 연구는 질병관리본부 연구개발과제연구비를 지원받아 수행되었습니다.
  • This research was supported by a fund by Research of Korea Centers for Disease Control and Prevention.


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