ADMSCs	adipose-derived mesenchymal stem cells
α-MEM	α-Mininum essential medium
ANOVA	analysis of variance
BMSCs	bone marrow mesenchymal stem cells
CCK-8	Cell Counting Kit-8
DMEM	Dulbecco’s Modified Eagle’s medium
ECM	extracellular matrix
EDTA	ethylenediaminetetraacetic acid
FBS	fetal bovine serum
IACUC	Institutional Animal Care and Use Committee
IBMX	isobutylmethylxanthine
ITS	insulin-transferrin-selenious acid mix
hAMSCs	human amniotic mesenchymal cells
H&E	hematoxylin-eosin
HRP	horseradish peroxidase
MSCs	mesenchymal stem cells
PCL	polycaprolactone
PEG	poly(ethylene glycol)
PGA	polyglycolic acid
PLA	polylactide
PLGA	poly(l-lactide-co-glycolide)
PLLA	poly(l-lactide)
RUG	retrograde urethrogram
SEM	scanning electron microscopy