Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13287-019-1204-2/MediaObjects/13287_2019_1204_Fig4_HTML.png)
hBM-MSCs-Ex increases Ki-67+ and decreases α-SMA+ in a rat model of liver fibrosis. a Photomicrographs of liver tissue sections showing IHC staining for α-SMA and Ki-67 (black arrows indicate brown-positive cells, bar = 1 mm). b–d Quantification of α-SMA and Ki-67-positive cells was performed by computer-assisted image analysis. **p < 0.01, ***p < 0.001. Data: n = 12; mean ± SD