Fig. 3From: MicroRNA-145 engineered bone marrow-derived mesenchymal stem cells alleviated erectile dysfunction in aged ratsRepresentative images of Masson staining in penis tissues. The ratio of smooth muscle (red) to collagen (green) among the control cell, BMSC, vector-BMSC, and OE-miR-145-BMSC groups at 14 days after transplantation. *P < 0.05, **P < 0.01 compared with the control groupBack to article page