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In Vivo Polynucleotide Delivery Conjugates Having Enzyme Sensitive Linkages
专利权人:
David B. Rozema
发明人:
David B. Rozema,Darren H. Wakefield,David L. Lewis,Jon A. Wolff,Andrei V. Blokhin,Jonathan D. Benson,Jeffrey C. Carlson,Philipp Hadwiger,Eric A. Kitas,Torsten Hoffmann,Kerstin Jahn-Hofmann,Peter Mohr
申请号:
US13336028
公开号:
US20120172412A1
申请日:
2011.12.23
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present invention is directed compositions for delivery of RNA interference (RNAi) polynucleotides to cells in vivo. The compositions comprise amphipathic membrane active polyamines reversibly modified with enzyme cleavable dipeptide-amidobenzyl-carbonate masking agents. Modification masks membrane activity of the polymer while reversibility provides physiological responsiveness. The reversibly modified polyamines (dynamic polyconjugate or DPC) are further covalently linked to an RNAi polynucleotide or co-administered with a targeted RNAi polynucleotide-targeting molecule conjugate.
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中国工程科技知识中心
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