Virus-Inspired Polymer for Efficient In Vitro and In Vivo Gene Delivery.

Virus-Inspired Polymer for Efficient In Vitro and In Vivo Gene Delivery.
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DOI:
10.1002/anie.201605958
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发表时间:
2016-09-19
影响因子:
16.6
通讯作者:
Pun, Suzie H.
Pun, Suzie H.
中科院分区:
化学1区
文献类型:
--
作者:
Cheng, Yilong;Yumul, Roma C.;Pun, Suzie H.

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Clinical translation of nucleic acids drugs has been stunted by limited delivery options. Here, we report a synthetic polymer designed to mimic viral mechanisms of delivery called VIPER (virus-inspired polymer for endosomal release). VIPER is composed of a polycation block for condensation of nucleic acids and a pH-sensitive block for acid-triggered display of a lytic peptide to promote trafficking to the cell cytosol. VIPER shows superior efficiencies compared to commercial agents when delivering genes to multiple immortalized cell lines. Importantly, in murine models, VIPER facilitates effective gene transfer to solid tumors. A virus-inspired polymer is reported as an effective gene transfer vehicle. The polymer, called VIPER (virus-inspired polymer for endosomal release), is composed of a polycation block for nucleic acids condensation and a pH sensitive block for acid-triggered display of a lytic peptide to promote trafficking to the cell cytosol. VIPER shows potent membrane-lytic activity selectively at acidic pH, and mediates efficient gene transfer both in vitro and in vivo.
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