AJNR	Achyranthes japonica Nakai root
OA	osteoarthritis
RA	rheumatoid arthritis
CO2	carbon dioxide
DMM	destabilization of the medial meniscus
CIA	collagenase-induced arthritis
Epas1	endothelial PAS domain protein 1
Esrrg	estrogen-related receptor gamma
Nampt	nicotinamide phosphoribosyl-transferase
Mtf1	metal regulatory transcription factor 1
RUNX2	runt-related transcription factor 2
BATF	basic leucine zipper transcription factor, ATF-like
RORα	RAR-related orphan receptor α
TLR	toll-like receptor
NSAIDs	non-steroidal anti-inflammatory drugs
GC-MS	gas chromatography-mass spectrometry
Slc39a8	solute carrier family 39 member 8
Col2a1	collagen type II alpha 1 chain
Sox9	SRY-box transcription factor 9
Adamts	ADAM metallopeptidase with thrombospondin type 1 motif
OARSI	Osteoarthritis Research Society International
IP	intraperitoneal
H&E	hematoxylin and eosin stain
NI	non-immunized
DMEM	Dulbecco’s modified Eagle medium
MTT	3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
RT-PCR	reverse transcription-polymerase chain reaction