SC-Exos	Stem cell-derived exosomes
NPWT	Negative pressure wound therapy
MSCs	Mesenchymal stem cells
ECM	Extracellular matrix
PGDF	Platelet-derived growth factor
TGF-β	Transforming growth factor-β
VEGF	Vascular endothelial growth factor
FGF-2	Fibroblast growth factor 2
ADSCs	Adipose-derived stem cells
MMPs	Matrix metalloproteinases
TIMPs	Tissue inhibitors
MVBs	Multivesicular bodies
ILVs	Intraluminal vesicles
iPSCs	Pluripotent stem cells
BMMSCs	Bone marrow-derived mesenchymal stem cells
JMMSCs	Human jawbone marrow-derived mesenchymal stem cells
HUVECs	Human umbilical vein endothelial cells
iPSC-Exos	iPSC-derived exosomes
HucMSCs	Human umbilical cord MSCs
lncRNA	Long non-coding RNA
HF-MSC-Exos	Hair follicle mesenchymal stem cells
EV	Extracellular vesicles
TFF	Tangential flow filtration
GMP	Good Manufacturing Practice