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. 2020 Feb 13;25(4):816. doi: 10.3390/molecules25040816

Figure 5.

Figure 5

MTT viability assay of (a) H292 and (c) H23 cells, depicting anticancer activity of colicin N (5–15 µM) against various types of human lung cancer cells. (e) Meanwhile, culture with 0.5–10 µM of colicin N for 24 h caused no alteration of %cell viability in human dermal papilla DPCs cells. Mode of cell death detected via co-staining of Hoechst33342/propidium iodide (PI) presents apoptosis in lung cancer (b) H292 and (d) H23 cells treated with 10–15 µM colicin N. (f) Neither apoptosis nor necrosis was observed in DPCs cells incubated with colicin N (10–15 µM). Values are means of the independent triplicate experiments ± SD. * p ≤ 0.05 versus non-treated control.