Figure 4.
Baicalin pretreatment protected extracellular matrix (ECM) of human osteoarthritis (OA) chondrocytes under H2O2 treatment. Collange I (A), Collange II (B), Aggrecan (C), and Sox9 (D) messenger RNA (mRNA) expressions were measured by qPCR. *P < .05, **P < .01, and ***P < .001 in comparison with control, # P < .05, ## P < .01 in comparison with H2O2 group.