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Cytotoxicity of PLA-HPG and PLA-HPG-Ad NPs loaded with CPT in A) U87 glioblastoma cells and B) bEnd.3 cells. In general, both sets of NPs had similar cytotoxicity against U87 and bEnd.3 cells, which was also similar to free drug. A small increase in cytotoxicity to bEnd.3 cells was observed with CPT NPs.
