Fig. 4From: Luteolin supports osteogenic differentiation of human periodontal ligament cellsEffect of Wnt/β-catenin pathway inhibitor XAV939 on HPDLCs (L). a, b Alizarin Red S staining was used to detect the formation of calcified nodules and calcium deposition in HPDLCs after treatment of 1 μmol/L luteolin, 5 μmol/L XAV939 or the combination of the two. **P < 0.001, vs. Control. ##P < 0.001, vs. L1 + XAV939Back to article page