Chondrocytes Animals 5 controlled study 5 Humans 4 animal cell 4 chondrocyte 4 human 4 nonhuman 4 Cartilage, Articular 3 Osteoarthritis 3 animal 3 animal experiment 3 animal tissue 3 article 3 in vitro study 3 male 3 metabolism 3 protein expression 3 unclassified drug 3 Article 2 C57BL mouse 2 Cartilage 2 Cell Differentiation 2 Cells, Cultured 2 Chondrogenesis 2 Collagen Type II 2 Gene Expression 2 Knee Joint 2 Male 2 Mice 2