ECs	endothelial cells
EPCs	endothelial progenitor cells
SPIONs	superparamagnetic iron-oxide nanoparticles
uSPIONs	uncoated superparamagnetic iron-oxide nanoparticles
hiPSCs	human induced pluripotent stem cells
hiPSC-ECs	hiPSC-derived endothelial cells
HUVECs	human umbilical vein endothelial cells
hiPSC-HUs	hiPSC derived from human umbilical vein endothelial cells
ECs-HU	endothelial cells differentiated from hiPSC-HU
hDF	human dermal fibroblasts
hiPSC-HF	hiPSC derived from human dermal fibroblasts
ECs-HF	endothelial cells differentiated from hiPSC-HF
HSVECs	human saphena vein endothelial cells
hiPSC-HSs	hiPSC derived from human saphena vein endothelial cells
ECs-HS	endothelial cells differentiated from hiPSC-HSs
ROS	reactive oxygen species
TEM	transmission electron microscopy