Calcium phosphate has been used for over 30 years to deliver genetic material to mammalian cells. The traditional method using calcium phosphate strongly depends on the experimental parameters such as concentrations (DNA, salt), temperature, pH, reaction time for precipitation and also on person-to-person variation. In this study, to evaluate the effects of particle size on transfection efficiency, factors that affect transfection efficiency were carefully evaluated. Particularly, when plasmid DNA with filtered nano-particle was transfected to HEK293 cells, it was shown that the Ca-phosphate/DNA complexes were effectively transfected to the cells. We observed transfection efficiency by filtered Ca-phosphate particle with DNA varied according to the pore size filters (0.2 μm, 0.45 μm, 0.5 μm and 1 μm).When Caphosphate particles were filtered after preparation, particles could be stored for longer than one month without significant loss in transfection efficiency. This long-term stability is one of the important features that should be satisfied to be used as gene delivery tools for gene therapy applications
키워드
calcium phosphategene deliverytransfection
저자
Jung Mi SHIN [ Department of Bioscience and Biotechnology, Sejong University ]
Jang Hyeon PARK [ Bio R&D, Sejong University ]
Duk Jae OH [ Department of Bioscience and Biotechnology, Sejong University ]
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
이 법인은 생물 공학의 발전과 보급에 이바지하고, 회원 상호 간의 연구 협력과 친목을 도모함을 목적으로 한다
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2. 생물공학의 실용화를 촉진시키기 위한 산학 협동
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4. 국,영문 학술지,소식지,학술회의 Proceedings 및 학술도서의 발간
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