Pre-clinical Modeling of CCR5 Knockout in Human Hematopoietic Stem Cells by Zinc Finger Nucleases Using Humanized Mice
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Genetic strategies to block expression of CCR5, the major co-receptor of human immunodeficiency virus type 1 (HIV-1), are being developed as anti-HIV therapies. For example, human hematopoietic stem/precursor cells (HSPC) can be modified by the transient expression of CCR5-targeted zinc finger nucleases (ZFNs) to generate CCR5-negative cells, which could then give rise to HIV-resistant mature CD4(+) T cells following transplantation into patients. The safety and anti-HIV effects of such treatments can be evaluated by transplanting ZFN-treated HSPC into immunodeficient mice, where the extent of human cell engraftment, lineage differentiation and anti-HIV activity arising from the engineered HSPC can be examined. In this way, humanized mice are providing a powerful small animal model for pre-clinical studies of novel anti-HIV therapies.
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CCR5 gene-targeting ZFNs are in phase II clinical trials for HIV-1/AIDS treatment.
“CCR5 gene-targeting ZFNs are in phase II clinical trials for HIV-1/AIDS treatment”
From RNA-directed gene editing specifically eradicates latent and prevents new HIV-1 infection (2014) · cites this paper as [11]
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RNA-directed gene editing specifically eradicates latent and prevents new HIV-1 infection
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Self-citation
- Authors
- Hofer, U., Henley, J. E., Exline, C. M., Mulhern, O., Lopez, E., & Cannon, P. M.
- Affiliations
- University of Southern California (US)
- Corresponding author
- Hofer, U.
- ORCID
- Cannon, P. M.
- Venue
- Journal of Infectious Diseases
- Publisher
- Oxford University Press (OUP)
- Published
- 2013-10-22
- Volume
- 208
- Issue
- suppl 2
- Pages
- S160-S164
- ISSN
- 0022-1899 (ISSN-L)
- 1537-6613
- PMC
- PMC3807977
- OpenAlex
- W2132130510
- Cited by
- 43
- References
- 33
- Citations by year
- 2025: 2 · 2023: 3 · 2021: 3 · 2019: 2 · 2018: 1 · 2017: 7 · 2016: 8 · 2015: 9 · 2014: 6 · 2013: 2
- FWCI
- 1.06
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- The Journal of Infectious Diseases (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Heart, Lung, and Blood Institute (P01HL073104, HL073104)
- Topics
- Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
- Keywords
- zinc finger nucleases, hematopoietic stem cells, humanized mice, HIV-1 coreceptor, preclinical models
- MeSH terms
- Animals, Biological Therapy, Hematopoietic Stem Cells, Humans, HIV-1, HIV Infections, Receptors, HIV, Zinc Fingers, Mice, SCID, Receptors, CCR5, Mice
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