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. 2021 Mar 8;11:642030. doi: 10.3389/fonc.2021.642030

Figure 4.

Figure 4

Effects of miR-21-3p on malignant HCC phenotypes could be partly reversed via SMAD7 overexpression. (A) Flow cytometry was performed to analyze the apoptotic index of Huh-7 (a) and Hep-G2 (b) cells after transfection. Cells were co-stained with Annexin FITC/PI; Annexin FITC+/PI- cells that stained green were considered as being in early apoptosis. Normal, late-stage apoptotic and necrotic cells are shown in yellow, red and purple, respectively. Three independent experiments were performed. Data are shown as mean ± SD. (B) Transwell assay was performed to detect the migration (a, b) and invasion (c, d) in Huh-7 and Hep-G2 cells separately after transfection. *P < 0.05, **P < 0.01; ***P < 0.001.