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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Multifunctional spider silk polymers for gene delivery to human mesenchymal stem cells
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Multifunctional spider silk polymers for gene delivery to human mesenchymal stem cells

机译:多功能蜘蛛丝聚合物可将基因传递给人间充质干细胞

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摘要

Non-viral gene delivery systems are important transport vehicles that can be safe and effective alternatives to currently available viral systems. A new family of multifunctional spider silk-based gene carriers was bioengineered and found capable of targeting human mesenchymal stem cells (hMSCs). These carriers successfully delivered DNA to the nucleus of these mammalian cells. The presence of specific functional sequences in the recombinant proteins, such as a nuclear localization sequence (NLS) of the large tumor (T) antigen of the Simian virus 40 (SV40), an hMSC high affinity binding peptide (HAB), and a translocation motif (TLM) of the hepatitis-B virus surface protein (PreS2), and their roles in mitigation and enhancement of gene transfection efficiency towards hMSCs were characterized. The results demonstrate that these bioengineered spider silk proteins serve as effective carriers, without the well-known complications associated with viral delivery systems. (C) 2014 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 103B: 1390-1401,2015.
机译:非病毒基因传递系统是重要的运输工具,可以安全有效地替代当前可用的病毒系统。一个新的基于蜘蛛丝的多功能基因载体家族经过了生物工程改造,发现能够靶向人间充质干细胞(hMSCs)。这些载体成功地将DNA传递到这些哺乳动物细胞的细胞核。重组蛋白中存在特定功能序列,例如猿猴病毒40(SV40)的大肿瘤(T)抗原的核定位序列(NLS),hMSC高亲和力结合肽(HAB)和易位表征了乙型肝炎病毒表面蛋白(PreS2)的基序(TLM),以及它们在缓解和增强针对hMSC的基因转染效率中的作用。结果表明,这些生物工程化的蜘蛛丝蛋白可作为有效载体,而没有与病毒传递系统相关的众所周知的并发症。 (C)2014 Wiley Periodicals,Inc.J Biomed Mater Res B部分:Appl Biomater,103B:1390-1401,2015。

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