Figure 3From: Hyaluronic acid enhances the effect of the PAMPS/PDMAAm double-network hydrogel on chondrogenic differentiation of ATDC5 cells Gene expression of type-2 collagen (Col-2), aggrecan, and Sox9 in ATDC5 cells cultured on the PAMPS/PDMAAm double-network (DN) gel treated with different concentration of hyaluronic acid (HA) at 7 and 21 days of culture. *p < 0.05 vs. 0 mg/mL HA at each period (Dunnett’s test).Back to article page