首页> 外文会议>Society for Biomaterials Transaction of the 31st Annual Meeting vol.XXIX pt.2 >Cell Binding and Cytotoxicity of Palmitic-Acid Modified Polyethylenimine (PEI) and Poly-L-lysine (PLL) on Bone Marrow Stromal Cells (BMSC)
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Cell Binding and Cytotoxicity of Palmitic-Acid Modified Polyethylenimine (PEI) and Poly-L-lysine (PLL) on Bone Marrow Stromal Cells (BMSC)

机译:棕榈酸修饰的聚乙烯亚胺(PEI)和聚L-赖氨酸(PLL)对骨髓基质细胞(BMSC)的细胞结合和细胞毒性

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摘要

Modification of the cationic polymers PEI and PLL with hydrophobic side groups increases the binding of the polymers to the cells. Toxicity, in some cases is reduced as a result of PA substitution. Although DNA complexation ability of reduced, the hydrophobic polymers did retain the ability of condensing DNA at higher polymer:DNA ratios. Further studies are warranted to investigate the ability of these polymers to carry DNA intracellularly, and allow expression of genes delivered with a plasmid DNA.
机译:用疏水性侧基修饰阳离子聚合物PEI和PLL可增加聚合物与细胞的结合。由于PA取代,毒性在某些情况下会降低。尽管DNA络合能力降低,但疏水性聚合物的确保留了以较高的聚合物:DNA比值缩合DNA的能力。有必要进行进一步的研究来研究这些聚合物在细胞内携带DNA的能力,并允许表达随质粒DNA传递的基因。

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