3D	Three-dimensional
ECM	Extracellular matrix
Col II	Type II collagen
Col I	Type I collagen
Col X	Type X collagen
TNF-α	Tumor necrosis factor-α
IGF-1	Insulin growth factor-1
TGF-β1	Transforming growth factor-β1
BMPs	Bone morphogenetic proteins
GAGs	Glycoaminoglycans
ASCs	Adipose-derived stem cells
MSCs	Mesenchymal stem cells
DAPI	4′,6-diamidino-2-phenylindole
FITC	Fluorescein isothiocyanate
Cy 3	Cyanine 3
RGD	Arg-Gly-Asp
PEG	Polyethylene glycol
qRT-PCR	Quantitative real-time polymerase chain reaction