OPTIMIZATION OF ELECTROPORATION PARAMETERS FOR TRANSFECTION OF PLASMID DNA INTO MURINE BONE MARROW-DERIVED DENDRITIC CELL  

OPTIMIZATION OF ELECTROPORATION PARAMETERS FOR TRANSFECTION OF PLASMID DNA INTO MURINE BONE MARROW-DERIVED DENDRITIC CELL

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作  者:柯山 陈雪华 黎皓 李建芳 顾琴龙 朱正纲 刘炳亚 

机构地区:[1]Department of Surgery,Shanghai Institute of Digestive Surgery, Ruijin Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai 200025, China

出  处:《Journal of Shanghai Second Medical University(Foreign Language Edition)》2006年第2期71-76,共6页上海第二医科大学学报(英文版)

基  金:Supported by National Natural Science Foundation of China (30570828,30471691, and30170915)

摘  要:Objective To explore the optimal electroporation parameters for transfection of plasmid DNA into murine bone marrow-derived dendritic cells. Methods Murine bone marrow-derived dendritic cells (DCs) were electroporated with plasmid DNA in varied conditions, such as electrical voltage, pulse time ,pre-electroporation cell condition and serum concentration in electrical buffer, lnverted fluorescence microscope and flow cytometer were used to determine the transfection efficiency. Some of the DCs genetically modified under different conditions were stained with trypan-blue and its viability was observed microscopically 48h after electroporation. Results Highest transfection efficiency (22.10%) could be reached when electrical voltage was 250V and pulse time was 20ms. Refreshing the culture medium pre-electroporation may help the cells recover more easily from gene transfer. Besides, electrical buffer containing serum may benefit the viability of DC after electroporation and temperature may has little influence on transfection efficiency. Conclusion Our observations demonstrated plasmid DNA could be efficiently transferred into murine bone marrow-derived DCs by electroporation. These data may helpful for cancer research related to murine DC transfection.Objective To explore the optimal electroporation parameters for transfection of plasmid DNA into murine bone marrow-derived dendritic cells. Methods Murine bone marrow-derived dendritic cells(DCs) were electroporated with plasmid DNA in varied conditions, such as electrical voltage, pulse time,pre-electroporation cell condition and serum concentration in electrical buffer. Inverted fluorescence microscope and flow cytometer were used to determine the transfection efficiency. Some of the DCs genetically modified under different conditions were stained with trypan-blue and its viability was observed microscopically 48h after electroporation. Results Highest transfection efficiency (22.10%) could be reached when electrical voltage was 250V and pulse time was 20ms. Refreshing the culture medium pre-electroporation may help the cells recover more easily from gene transfer. Besides, electrical buffer containing serum may benefit the viability of DC after electroporation and temperature may has little influence on transfection efficiency. Conclusion Our observations demonstrated plasmid DNA could be efficiently transferred into murine bone marrow-derived DCs by electroporation. These data may helpful for cancer research related to murine DC transfection.

关 键 词:dendritic cells electroporation murine bone marrow 

分 类 号:R457[医药卫生—治疗学]

 

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