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Combining amphiphilic chitosan and bioglass for mediating cellular osteogenic growth peptide gene

机译:结合两亲壳聚糖和生物胶中介介导细胞骨化生长肽基因

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摘要

The realization of gene therapy significantly depends on effective gene delivery vectors. Bioactive glasses (BG), as osteoinductive bone repair materials have been extensively applied clinically. Although there are numerous studies about the delivery of biomolecules by BG, to date, little study has been done to investigate the impact of BG as an enhancer for polymers/DNA complexes. In our study, we used an MBG with a suitable size to evaluate the influence of CS-PCL-mPEG/pOGP (containing the osteogenic growth peptide and green fluorescent protein fusion gene) on the gene transfection in different types of cell lines. MBG/CS-PCL-mPEG condense and dissociate the pOGP more effectively. These complexes, which are connected by the electrostatic effect, show lower and optimized zeta potential and size below 200 nm. Our study shows that MBG has good cellular biocompatibility and high cell uptake. MBG/CS-PCL-mPEG exhibits enhanced gene transfection efficiency despite the difference between the two cell lines. These results suggest that MBG has an enhanced impact on the polymer gene vectors. Therefore, this strategy may broaden the biomedical application of bioglass in the repair and reconstruction of bone and teeth.
机译:基因治疗的实现显着取决于有效的基因递送载体。作为骨诱导骨修复材料的生物活性玻璃(BG)已广泛应用于临床应用。迄今为止,迄今为止,迄今为止,迄今为止,迄今为止,迄今为止存在众多研究以研究Bg作为聚合物/ DNA复合物的增强剂的影响。在我们的研究中,我们使用具有合适尺寸的MBG来评估Cs-PCL-MPEG / POGP(含有骨质生长肽和绿色荧光蛋白融合基因)对不同类型细胞系的基因转染的影响。 MBG / CS-PCL-MPEG冷凝并更有效地解散POGP。这些配合物通过静电效应连接,显示出较低和优化的Zeta电位和大小低于200nm。我们的研究表明,MBG具有良好的细胞生物相容性和高细胞吸收。尽管两种细胞系之间有差异,MBG / CS-PCL-MPEG表现出增强的基因转染效率。这些结果表明MBG对聚合物基因载体的影响增强。因此,该策略可以扩大生物制造商在骨骼和牙齿的修复和重建中的生物医学应用。

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  • 来源
    《RSC Advances》 |2015年第97期|共10页
  • 作者单位

    S China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

    S China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

    S China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

    Minist Educ Key Lab Biomed Mat &

    Engn Guangzhou 510006 Guangdong Peoples R China;

    S China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

    S China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

    S China Univ Technol Sch Mat Sci &

    Engn Guangzhou 510641 Guangdong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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