Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 10, 2012
Patent Application Number
12515464
Date Filed
November 22, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is a siRNA-encapsulating polymeric micelle complex (a polyion complex) having high monodispersibility and structural stability and excellent in the ability of transporting siRNA into a cell. Further disclosed are a nucleic acid delivery device, a nucleic acid delivery kit, a pharmaceutical composition, and a gene therapy agent, each of which uses the complex. The polyion complex is characterized by comprising: a block copolymer composed of a polyethylene glycol moiety and a polycation moiety having a thiol group as a side chain at the terminus; and siRNA.
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