ECM1 and glioblastoma: In addition, the wound healing assay showed that overexpression of ECM1 enhanced the migration ability of GBM cells by 26.14 ± 5.63% in A172 cells (p < 0.01), 24.85 ± 3.24% in U251 cells (p < 0.01), and 19.38 ± 4.80% in U87 cells (p < 0.05) at 48 h (Figure 5E).