期刊
PROTEIN ENGINEERING DESIGN & SELECTION
卷 24, 期 1-2, 页码 27-31出版社
OXFORD UNIV PRESS
DOI: 10.1093/protein/gzq083
关键词
cell-line development; gene therapy; I-CreI; homing endonuclease; protein-DNA interaction engineering
资金
- Cellectis
Meganucleases (MNs) are highly specific enzymes that can induce homologous recombination in different types of cells, including mammalian cells. Consequently, these enzymes are used as scaffolds for the development of custom gene-targeting tools for gene therapy or cell-line development. Over the past 15 years, the high resolution X-ray structures of several MNs from the LAGLIDADG family have improved our understanding of their protein-DNA interaction and mechanism of DNA cleavage. By developing and utilizing high-throughput screening methods to test a large number of variant-target combinations, we have been able to re-engineer scores of I-CreI derivatives into custom enzymes that target a specific DNA sequence of interest. Such customized MNs, along with wild-type ones, have allowed for exploring a large range of biotechnological applications, including protein-expression cell-line development, genetically modified plants and animals and therapeutic applications such as targeted gene therapy as well as a novel class of antivirals.
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