Journal
HUMAN GENE THERAPY
Volume 22, Issue 8, Pages 925-933Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/hum.2011.087
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Funding
- German Research Foundation [SPP1230-Ca311/2, SFB/TR19-TP C5]
- Federal Ministry of Education and Research [InTherGD-01GU0834, ReGene-01GN1003B]
- European Commission [PERSIST-222878, HeMiBio-266777]
- Mukoviszidose Institut gGmbH
- National Institutes of Health (NIH) [DP1 OD006862, GM069906]
- National Science Foundation
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Zinc-finger nucleases (ZFNs) are a powerful tool that can be used to edit the human genome ad libitum. The technology has experienced remarkable development in the last few years with regard to both the target site specificity and the engineering platforms used to generate zinc-finger proteins. As a result, two phase I clinical trials aimed at knocking out the CCR5 receptor in T cells isolated from HIV patients to protect these lymphocytes from infection with the virus have been initiated. Moreover, ZFNs have been successfully employed to knockout or correct disease-related genes in human stem cells, including hematopoietic precursor cells and induced pluripotent stem cells. Targeted genome engineering approaches in multipotent and pluripotent stem cells hold great promise for future strategies geared toward correcting inborn mutations for personalized cell replacement therapies. This review describes how ZFNs have been applied to models of gene therapy, discusses the opportunities and the risks associated with this novel technology, and suggests future directions for their safe application in therapeutic genome engineering.
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