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. 2019 May 13;44(1):227–239. doi: 10.3892/ijmm.2019.4195

Figure 3.

Figure 3

BLM inhibits proliferation and promotes apoptosis of MLE-12 cells. (A) Exposure to 1 μg/ml BLM for 24 h; Ki67 (red) expression was detected in MLE-12 cells by immunofluorescence staining. DAPI (blue) staining was used to detect the nuclei (magnification, ×400). (B) Semi-quantitative analysis of Ki67-positive MLE-12 cells. (C) Apoptotic cells were detected by Annexin V-fluorescein isothiocyanate/PI staining and flow cytometry. (D) Quantitative analysis of total apoptotic Annexin V+/PI and Annexin V+/PI+ cells is shown. Data are presented as the means ± standard error of the mean, n=3. **P<0.01, ***P<0.001 vs. Con. BLM, bleomycin; Con, control; MLE, mouse lung epithelial; PI, propidium iodide.