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. Author manuscript; available in PMC: 2020 Jul 20.
Published in final edited form as: Int J Pharm. 2019 Jun 13;566:717–730. doi: 10.1016/j.ijpharm.2019.06.026

Fig. 9.

Fig. 9.

GFP expression levels 48 h after transfection in (a) bEnd.3 cells, (b) astrocytes and (c) primary neuronal cells treated with Plain-, Tf-, Pen- and PenTf-liposomes containing pGFP (1μg). Data expressed as mean ± SD (n=4). Statistically significant (p<0.05) differences are shown as (*) with pGFP, (#) with Plain-lip, (†****) with Tf-lip and (¥) with Pen-lip. (d) Fluorescence microscopy images of GFP expression in bEnd.3, astrocytes and primary neuronal cells treated with Plain-, Tf-, Pen- and PenTf-liposomes containing pGFP (Scale bar: 100 μm).