Fig. 3From: Zinc promotes cell apoptosis via activating the Wnt-3a/β-catenin signaling pathway in osteosarcomaProliferation and invasion of osteosarcoma cells were detected by CCK-8 (a and c) and Transwell chamber assays (b and d) in U-2OS cells. *p < 0.05, **p < 0.01, ***p < 0.001 in comparison between groups. n = 4 per groupBack to article page