期刊
BIOTECHNOLOGY LETTERS
卷 25, 期 13, 页码 1025-1029出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1024157508492
关键词
electroporation; gene transfer; green fluorescent protein; monocytic cells; nucleofection
Despite some progress in the field of gene transfer into hard-to-transfect cells, so far an efficient nonviral method for monocytes has not been available. A comparison of plasmid DNA with capped and polyadenylated mRNA for enhanced green fluorescent protein gene delivery into the commonly used monocytic cell lines U937 and THP-1 suggested that limited DNA trafficking may be the underlying cause of poor transfection results. As Nucleofector technology delivers DNA ( or mRNA) straight into the nucleus, we obtained nucleofection efficiencies of up to 80% without significant cell toxicity. Moreover, as the DNA quickly reaches the nucleus, nucleofected cells were ready for analysis after only 2 - 6 h. The technique is suitable not only for monocytes but also for other hard-to-transfect cells.
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