Fig. 1From: Indole-3-propionic acid alleviates chondrocytes inflammation and osteoarthritis via the AhR/NF-κB axisEffects of IPA on chondrocyte viability. A Molecular structure of IPA. B–D Rat chondrocyte viability was evaluated by the CCK-8 assay with indicated concentrations of IPA for 24, 48, and 72 h (n = 3). ∗p < 0.05, ∗∗p < 0.01Back to article page