文章摘要
王艳妨 包暄文 宋小杰 王冰 张英 孙广炜 马小军.中空硅纳米药物递送体系的线粒体靶向性探究[J].,2016,16(27):5201-5205
中空硅纳米药物递送体系的线粒体靶向性探究
Hollow Silica Nanoparticles for Mitochondria-targeted Drug Delivery
  
DOI:
中文关键词: 中空硅纳米粒  线粒体靶向  药物递送
英文关键词: Hollow silica nanoparticles  Mitochondria-targeted  Drug-delivery system
基金项目:国家自然科学基金项目(31470944; 21576254; 31271055)
作者单位
王艳妨 包暄文 宋小杰 王冰 张英 孙广炜 马小军 中国科学院大连化学物理研究所大连医科大学第一附属医院 
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中文摘要:
      目的:探究中空硅纳米粒在细胞线粒体内的定位。方法:以阿霉素为模型药物及荧光影像分子,通过激光共聚焦显微镜,考 察中空硅纳米粒与线粒体分子探针在线粒体内的共定位。通过差速离心法提取线粒体,进一步确认硅纳米粒在线粒体内的聚集。 结果:与线粒体分子探针为共定位参照,中孔硅纳米粒在线粒体中分布的皮尔逊系数为0.758± 0.033,线粒体提取结果显示,进入 细胞的纳米粒有90.01± 3.89%分布于线粒体。结论:中空硅纳米粒具有自发聚集于线粒体的能力,可以作为药物靶向递送载体, 为线粒体类疾病的治疗提供新的平台。
英文摘要:
      Objective:To investigate the location of hollow silica nanoparticles in cells.Methods:Taken doxorubicin hydrochloride as the modal drug and fluorescence imaging molecular, the location of silica nanoparticles in cells were co-located with Mito-tracker Deep Red by laser scanning confocal microscope. The location of silica nanoparticles were further confirmed by isolation of mitochondrial and cytosolic extracts through differential centrifugation.Results:Compared with Mitotracker Deep Red, the Pearson's Coefficient of the silica nanoparticles was 0.758± 0.033, while the isolation of mitochondria showed 90.01± 3.89% of the model drug distributed in mitochondria.Conclusion:The hollow silica nanoparticles can spontaneously gathered in mitochondria, which provides a new platform to mitochondria-targeted drug delivery systemfor mitochondria dysfunctional diseases.
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