Fig. 4.
Effect of midazolam on cleaved caspase 3 and caspase 9 expression of A549 and H4 cells. Representative images and quantification of immunofluorescence staining of cleaved caspase 3+ A549 (A) or H4 (B) cells and cleaved caspase 9+ A549 (A, C) or H4 (B, D) cells after 24 h treatment with 400 μM midazolam treatment. Data are presented as mean ± SD. *P < 0.01 versus vehicle. n = 6 independent experiments. Scale bar: ×20 magnification, 50 μm.