Patent ID: 7829657
Filing Date: 2010-11-09
Classification: A61K,A61P,C08G,C12N

Abstract:
1. A composition for the delivery of nucleic acid to target cells or tissues, which comprises a polycationically charged polymer as a carrier of nucleic acid and a nucleic acid, wherein the polycationically charged polymer is a polymer of formula (III) or its salt: wherein: R R R R R n denotes an integer of 2 to 5,000; y denotes an integer of 0 to 5,000; and z denotes an integer of 0 to 5,000, with the proviso that y+z is not larger than n, wherein the recurring units in formula (III) may be present in a random order or in the specific order of the formula; and wherein an N/P ratio is 10 to 80.