GS3 Novel DDS technology for development of gene therapy and nucleic acid drug   GS3-1. Development of PEGylated adenovirus vector for cancer gene therapy   GS3-2. Construction of siRNA delivery system targeting to angiogenic vessels with targeted liposomes   GS3-3. Preparation of biodegradable long-term sustained release microspheres including siRNA for tumor therapy   GS3-4. Development of a novel nucleic acid transfection system based on renal press-poration method   GS3-5. Importance of the intranuclear dispositions of exogenous DNA for non-viral gene delivery