has subject area https://id.nlm.nih.gov/mesh/D000097564 Cells, Cultured Chondrocytes Cyclooxygenase 2 Gene Expression Regulation Gene Knockdown Techniques Glutathione Peroxidase Glutathione Peroxidase GPX1 Humans Inflammation Mediators Interleukin-1beta Iodide Peroxidase Liver X Receptors Orphan Nuclear Receptors RNA, Small Interfering Thioredoxin Reductase 1 Transfection