Fig. 3: PD-L2 knockdown inhibits migration and invasion of osteosarcoma cells.

a, b Transwell and wound-healing assays for KHOS cells after PD-L2 knockdown. c, d Transwell and wound-healing assays for U2OS cells after PD-L2 knockdown (magnification × 100). All experiments were repeated three times. Data are presented as the mean ± SD. **P < 0.01, ***P < 0.001