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Transfection of ApoE2 in (A) bEnd.3 cells, (B) primary astrocytes, and (C) primary neurons using various chitosan/pApoE2 (1 μg) loaded liposomes. Data represent mean ± SD of four replicates. *, #, +, &, !, and ~ indicate statistically (p < 0.05) different from plain, MAN, Pen, RVG liposomes, naked DNA, and lipofectamine, respectively.
