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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Cell Tissue Res. 2012 Jan 26;347(3):689–699. doi: 10.1007/s00441-011-1297-0

Fig. 2.

Fig. 2

Characterization of PEI:pDNA polyplex-mediated hMSC transfection. a) Normalized transfection efficiency of passage 6 hMSCs transfected with 60kDa branched PEI:1 μg pDNA polyplexes formed at different N/P ratios. * Denotes significant difference compared to a N/P ratio of 0. † denotes significant difference in transfection efficiency between day 1 and 4 post transfection (t test, p<0.05). b) Viability of passage 6 hMSCs transfected with 60kDa branched PEI:1 μg pDNA polyplexes formed at N/P ratios from 0–12 one and four days post transfection. * Denotes significant difference compared to a N/P ratio of 0 (t test, p<0.05). c) Normalized transfection efficiency of passage 6 hMSCs transfected with 0–8 μg 60kDa branched PEI:pDNA polyplexes formed at a N/P ratio of 7. * Denotes significant difference compared to 1μg pDNA (t test, p<0.05). d) Normalized viability of passage 6 hMSCs transfected with 60kDa branched PEI:pDNA polyplexes with 0–8μg pDNA. † Denotes significant difference with 1μg pDNA. * Denotes significant difference with 0μg pDNA (t test, p<0.05)