Additional file 2 of Human umbilical cord-derived mesenchymal stem cells prevent the progression of early diabetic nephropathy through inhibiting inflammation and fibrosis

Additional file 2: Figure S1. Immunofluorescence staining of F4/80 and CD3 in the glomerulus of DN kidney tissues. G: glomerulus. Figure S2. Isolation and identification of exosomes extracted from UC-MSCs (UC-MSCs-Exo). Figure S3. UC-MSCs-CM depressed cytokine expression in high glucose-injured NRK-52E cells. Figure S4. UC-MSCs-CM or UC-MSCs-Exo depressed cytokine expression in high glucose-injured hrGECs.