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Perez, Elena E; Wang, Jianbin; Miller, Jeffrey C; Jouvenot, Yann; Kim, Kenneth A; Liu, Olga; Wang, Nathaniel; Lee, Gary; Bartsevich, Victor V; Lee, Ya-Li; Guschin, Dmitry Y; Rupniewski, Igor; Waite, Adam J; Carpenito, Carmine; Carroll, Richard G; Orange, Jordan S; Urnov, Fyodor D; Rebar, Edward J; Ando, Dale; Gregory, Philip D; Riley, James L; Holmes, Michael C; June, Carl H
Nature biotechnology, 07/2008, Letnik: 26, Številka: 7Journal Article
Homozygosity for the naturally occurring Delta32 deletion in the HIV co-receptor CCR5 confers resistance to HIV-1 infection. We generated an HIV-resistant genotype de novo using engineered zinc-finger nucleases (ZFNs) to disrupt endogenous CCR5. Transient expression of CCR5 ZFNs permanently and specifically disrupted approximately 50% of CCR5 alleles in a pool of primary human CD4(+) T cells. Genetic disruption of CCR5 provided robust, stable and heritable protection against HIV-1 infection in vitro and in vivo in a NOG model of HIV infection. HIV-1-infected mice engrafted with ZFN-modified CD4(+) T cells had lower viral loads and higher CD4(+) T-cell counts than mice engrafted with wild-type CD4(+) T cells, consistent with the potential to reconstitute immune function in individuals with HIV/AIDS by maintenance of an HIV-resistant CD4(+) T-cell population. Thus adoptive transfer of ex vivo expanded CCR5 ZFN-modified autologous CD4(+) T cells in HIV patients is an attractive approach for the treatment of HIV-1 infection.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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