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在薄膜矩阵中的重组等离子体DNA的物理特征和稳定性概况

Trang Nguyen Kieu Doan¹, Maria A Croyle²

¹The University of Texas at Austin College of Pharmacy, Division of Molecular Pharmaceutics and Drug Delivery, Austin, TX 78712, United States.

European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V

|August 11, 2023

概括

对于基因疗法和疫苗至关重要的等离子体,现在可以在室温下稳定,使用一种新的薄膜配方. 这一创新消除了冷链储存的需求,降低了成本并改善了可访问性.

科学领域:

生物技术是生物技术.
制药科学制药科学
分子生物学分子生物学

背景情况:

等离子体对于生产生物药物,疫苗和基因治疗载体至关重要.
目前的冷链存储和运输方法是昂贵和复杂的.
对等离子体配方的环境温度稳定方法有很大的需求.

研究的目的:

确定一种基于薄膜的配方,用于在25°C稳定等离子体.
评估在环境温度储存中保持等离子体转化效率的情况.

主要方法:

一个模型等离子体 (pAAVlacZ) 用于测试各种薄膜配方.
转染效率测试和阿加凝电泳测试评估了等离子体的生物活性和构型.
研究了辅助剂的组成,结合方法和储存湿度.

主要成果:

一种基于氨基酸的薄膜配方在25°C下9个月保持了等离子体转染效率.
加入糖和塑化剂维持了无形状态,并改善了片的处理.
辅助剂的配方和储存湿度显著影响了再水化等离子体的转染效率.

结论:

塑体可以在薄膜矩阵中有效地稳定长时间而不需要冷却.
这种基于薄膜的方法为塑存储的冷链物流提供了一个有希望的替代方案.
塑体的环境温度储存是可行的,可能降低成本并提高生物技术和基因疗法应用中的可访问性.

关键词:

电影电影电影电影这是一种等离子体.聚合物的聚合物.储存储存储存储存超卷式超卷式超卷转化转化转化转化

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相关概念视频

Plasmids

Plasmids

Plasmids are extrachromosomal DNA molecules found in bacteria, archaea, and some eukaryotic microbes like yeast. These small, circular DNA structures typically contain fewer than 30 genes, although some may exist linearly. Plasmids vary in their number within a cell, known as copy number. Single-copy plasmids are present in one copy per cell and multi-copy plasmids are present in multiple copies, reaching over 100 copies per cell.Plasmids usually replicate independently of the chromosomal DNA...