Fig. 3

CaP/LNS NPs efficiently transfected miRNA into MDA-MB-231 cells. a Representative CLSM images of MDA-MB-231 cells after a 5 h incubation with PBS, free FAM-miRNC or FAM-miRNC-NP. b Flow cytometric analysis of FAM-miRNC positive MDA-MB-231 breast cancer cells treated with PBS, free FAM-miRNC or FAM-miRNC-NP. c MFI of FAM in MDA-MB-231 cells treated as described above. NS indicates no statistical significance, **p < 0.01