纳米控释系统使转染基因的胞内摄入量增高，增强其稳定性、靶向性及细胞定位。
Nano-delivery system increases cellular uptake of specific gene, protects them against nucleases and enhances their targeting and selectivity.
此外， PEI也被认为具有高转染率和使内涵体破裂的能力。
Additionally, PEI is considered to exhibit high transfection efficiency and endosomal disrupting capacity.
利用基因转染方法使细胞获得不死性，快速建立小鼠胸腺基质细胞（MTSC）系。
For rapid establishment of mouse thymic stromal cell(MTSC) lines, gene transfection was used to immortalize fresh viable cells.
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