Fig. 7From: Enhanced therapeutic effects of MSC-derived extracellular vesicles with an injectable collagen matrix for experimental acute kidney injury treatmentEVs derived from hP-MSCs protected injured kidneys through the suppression of IR-induced ER stress in vitro and in vivo. a The expression levels of ER stress-related proteins were detected at various groups in vitro using western blot. b The expression levels of ER stress-related proteins were detected in vivo using western blot. c Immunohistochemical staining of GRP78 three days after AKI. Scale bar, 100 μm. d Quantification of GRP78 staining area in each group. Data were represented as mean ± SEM (n = 5; *P < 0.05 vs. PBS; #P < 0.05 vs. Col)Back to article page