Polymeric micelle nanocarrier for drug and gene delivery

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To realize the targeting therapy against intractable tumors, we developed functional polymeric micelles integrated with the sensitivity to intracellular low pH conditions and the ability to bind the specific cells for the delivery of antitumor agents, and demonstrated their effectiveness in the in vivo study using tumor-bearing mice. Also, to establish the molecular cancer therapy based on gene delivery, we developed a non-viral gene vector based on polymeric micelles stabilized through the cross-linking cleavable under the intracellular reductive conditions, and succeeded in their application to antiangiogenic cancer therapy.