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PDX-1 gene transfection and expression in bone marrow stromal cells-derived nestin-positive cells / 南方医科大学学报

Hai-lan WANG; Ming-xin PAN; Hui-ying ZHANG; Jing AN; Yi GAO.
Artículo en Zh | WPRIM | ID: wpr-268085
<p><b>OBJECTIVE</b>To introduce the eukaryotic expression vector pEGFP-C1-PDX-1 into nestin-positive cell derived from bone marrow stromal cells by nucleofection and optimize the conditions for transfection.</p><p><b>METHODS</b>The recombinant plasmid was transfected into bone marrow stromal cells-derived nestin-positive cells with varied DNA quantities or the serum concentration in the medium. The expression of PDX-1 gene in the transfected cells was detected by RT-PCR.</p><p><b>RESULTS</b>Satisfactory efficiency of transfection was achieved with the DNA quantity of 2-10 microg and medium serum concentration of 20%. PDX-1 expression was detected in the transfected cells by RT-PCR.</p><p><b>CONCLUSION</b>The optimized transfection conditions result in enhanced efficiency of PDX-1 gene transfection into nestin-positive cells derived from bone marrow stromal cells, which may serve as the seed cells in tissue-engineering.</p>
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