Ace	Acetaminophen
CSE	Cigarette smoke extract
OA	Osteoarthritis
ROS	Reactive oxygen species
ECM	Extracellular matrix
IA	Intra-articular
HA	Hyaluronic acid
CSs	Corticosteroids
NSAID	Non-steroidal anti-inflammatory drug
OD	Optical density
PBS	Phosphate-buffered saline
RT	Room temperature
SRB	Sulforhodamine B
GAG	Glycosaminoglycan
DCFH-DA	Dichlorfluorescein-diacetate
AP	Alkaline Phosphatase
H2O2	Hydrogen peroxide
TGF-β	Transforming growth factor β
PAHs	Polycyclic aromatic hydrocarbons
Dic	Diclofenac
Dex	Dexamethasone
EC 50	Half maximal effective concentration
DMEM	Dulbecco’s Modified Eagle’s Medium
FCS	Fetal Calf Serum