ASU	avocado/soybean unsaponifiables
CHL	standardized phytosterol-rich avocado/soybean unsaponifiable preparation
COMP	cartilage oligomeric matrix protein
COX-2	cyclooxygenase-2
CT	Computed tomography
CTX-II	C-terminal cross-linked telopeptide of type II collagen
ECM	extracellular matrix
EPA	eicosapentaenoic acid
GAGs	glycosaminoglycans
HR-LC/MS	high-resolution liquid chromatography-mass spectrometry
IL	interleukin
MAPK	mitogen-activated protein kinase
MIA	monosodium iodoacetate
MMPs	matrix metalloproteinases
NF-κB	nuclear factor kappa-light-chain-enhancer of activated B cells
NO	nitric oxide
NOS2	inducible nitric oxide synthase
NSAIDs	nonsteroidal anti-inflammatory drugs
OA	osteoarthritis
OS	oxidative stress
PGE2	prostaglandin E2
ROS	reactive oxygen species
TIMPs	tissue inhibitors of metalloproteinases
TNF	tumor necrosis factor
ELISA	Enzyme-linked immunosorbent assay