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. 2018 May 1;9(5):493. doi: 10.1038/s41419-018-0535-8

Fig. 5. Influence of hsa-miR-12528 on migratory activity in vitro and in vivo.

Fig. 5

Post transfection, the delayed cell motility was captured in a time-dependent manner in scratched A549 cells (a). Cell migration or invasion was measured after 48 h post transfection to allow for the permeabilization of the Trans-well membrane (b). Proteolytic enzyme activity of the secreted MMP-2 and -9 was analysed in the cultured soup for 48 h post transfection (c). The lung metastatic models that were injected with the miRNA mimic-transfected Fluc-stable A549 cells into the tail vein were grown for 5 weeks (n = 8 mice/group). After 5 weeks, the expressed Fluc signals visually show the degree of metastatic spread to lung, and Fluc signal intensity was quantified by ROI gates (d). Nodules generated on the lung surface (left) and histological staining (H&E) of lung tissues (right) visually show a distinct difference between each group (e) (bars, mean ± S.E.M.; *p < 0.05 and **p < 0.01)