ASCs	human adipose-derived mesenchymal stem cells
DR	diabetic retinopathy
ROS	reactive oxygen species
PmASCs	ASCs pre-cultured in the pericyte medium
TGF-β1	transforming growth factor-β1
IL-10	interleukin-10
IL-1β	interleukin-1β
TNF-α	tumor necrosis factor-α
BRB	blood retinal barrier
VEGF	vascular endothelial growth factor
PM	pericyte medium
α-SMA	smooth muscle actin α
NG2	neural/glial antigen 2
HRECs	human retinal endothelial cells
MMP-9	matrix metallopeptidase-9
HRPCs	pericytes
NG	normal glucose
HG	high glucose
ECM	endothelial cell medium
DCFDA	2′,7′-dichlorodihydrofluorescein diacetate
MTT	3-[4,5-dimethylthiazol-2-y l]-2,5-diphenyl tetrasodium bromide