ACI	autologous chondrocyte implantation
3D	three-dimensional
ECM	extracellular matrix
MSC	mesenchymal stem cells
BMSC	bone-derived mesenchymal stem cells
hADSC	human adipose-derived stem cells
h	hour
min	minutes
CHI	chitosan
GAG	glycosaminoglycan
HA	hyaluronic acid
DMEM	Dulbecco’s modified eagle medium
SEM	scanning electron microscope
qRT-PCR	quantitative real-time polymerase chain reaction
hTGF-β3	human transforming growth factor beta 3
hBMP-6	human bone morphogenetic protein 6
WST-1	water soluble tetrazolium-1
NCHI	chitosan in normal growth medium
NCHI/HA	chitosan/hyaluronic acid in normal medium
CCHI	chitosan in chondrogenic growth medium
CCHI/HA	chitosan/hyaluronic acid in chondrogenic medium
NP	pellet in normal growth medium
CP	pellet in chondrogenic growth medium
ACAN	aggrecan
COL1A1	collagen type I
COL2A1	collagen type II
COL10A1	collagen type X
SOX9	SRY-box 9
COMP	cartilage oligomeric matrix protein
NRQ	normalized relative quantity
TBP	TATA sequence binding protein
SDHA	succinate dehydrogenase complex flavoprotein subunit A
RPLP0	ribosomal protein lateral stalk subunit P0
RPL13a	ribosomal protein L13a
ROCK	Rho/Rho associated kinase
PI3K	phosphatidylinositol-3-kinase
RHAMM	receptor for hyaluronic acid mediated mobility
PBS	phosphate buffered saline
FCS	fetal calf/bovine serum
SD	standard deviation