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. 2019 Dec 24;27(1):91–99. doi: 10.1080/10717544.2019.1706669

Figure 7.

Figure 7.

SPA-mediated gene delivery. (A) The DNA binding ability of peptides was evaluated by gel retardation assay. (B) TEM micrographs of the stearyl-SPA/pGL3 plasmids complexes at an N/P ratio of 2. Bar, 0.2 μm. (C) Confocal images of CHO cells treated with the complexes formed by stearyl-SPA with Cy5-labeled plasmids. Bar, 10 μm. (D) Transfection efficiency of SPA and stearyl-SPA in CHO cells. LF2000 was taken as a positive control. *p < .05, **p < .01, ***p < .001.