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Enhanced enzymatic degradation resistance of plasmid DNA in ionic liquids

机译:增强离子液体中质粒DNA的抗酶降解能力

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Plasmid deoxyribonucleic acid (pDNA) is a promising therapeutic in gene therapy and as a DNA vaccine, but it is susceptible to degradation by nucleases in the extracellular environment. In this study, we report on the enhanced enzymatic degradation resistance of pDNA, when stored in a hydrated buffered ionic liquid (BIL) based on choline dihydrogen phosphate (CDHP). The stability of pDNA stored in buffered CDHP (bCDHP) in the presence of Turbo DNase was studied using agarose gel electrophoresis, which showed a prolonged shelf life at room temperature over a period of 28 days in bCDHP compared to within 10 minutes for phosphate buffered saline (PBS). In addition, the biological activity of pDNA was maintained under such conditions, as demonstrated by the expression of yellow fluorescent protein (YFP).
机译:质粒脱氧核糖核酸(pDNA)在基因治疗和作为DNA疫苗方面是一种有前途的治疗方法,但在细胞外环境中容易被核酸酶降解。在这项研究中,我们报告了当存储在基于磷酸胆碱二氢(CDHP)的水合缓冲离子液体(BIL)中时,pDNA增强的酶促降解抗性。使用琼脂糖凝胶电泳研究了在Turbo DNase存在下缓冲CDHP(bCDHP)中存储的pDNA的稳定性,与在磷酸盐缓冲液中10分钟之内相比,在bCDHP中室温下28天的保存期限延长了。 (PBS)。另外,pDNA的生物学活性在这种条件下得以保持,如黄色荧光蛋白(YFP)的表达所证明。

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