Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43141-021-00139-w/MediaObjects/43141_2021_139_Fig5_HTML.png)
Relative expression of caspase-3 and Bcl2 genes in control and treated groups. Results are expressed as mean ± SD. (n = 10). ALI acute lung injury, BM-MSCs bone marrow mesenchymal stem cells, CoPP cobalt protoporphyrin. ** p < 0.01, ***p < 0.001, respectively, compared with control. !!!: p < 0.001 compared with ALI. ###: p < 0.001 compared with ALI + CoPP