期刊
NUCLEIC ACIDS RESEARCH
卷 42, 期 4, 页码 2591-2601出版社
OXFORD UNIV PRESS
DOI: 10.1093/nar/gkt1224
关键词
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资金
- National Institutes of Health [RL1CA133832, UL1DE019582, R01-HL075453, PL1-HL092557, RL1-HL092553, RL1-HL92554, U19-AI96111]
- Seattle Children's Center for Immunity and Immunotherapies
Rare-cleaving endonucleases have emerged as important tools for making targeted genome modifications. While multiple platforms are now available to generate reagents for research applications, each existing platform has significant limitations in one or more of three key properties necessary for therapeutic application: efficiency of cleavage at the desired target site, specificity of cleavage (i.e. rate of cleavage at 'off-target' sites), and efficient/facile means for delivery to desired target cells. Here, we describe the development of a single-chain rare-cleaving nuclease architecture, which we designate 'megaTAL', in which the DNA binding region of a transcription activator-like (TAL) effector is used to 'address' a site-specific meganuclease adjacent to a single desired genomic target site. This architecture allows the generation of extremely active and hyper-specific compact nucleases that are compatible with all current viral and nonviral cell delivery methods.
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