PLOD2 and glioblastoma: In GBM, 28, 28, and 43 genes showed moderate correlations with LOXL1, LOXL3, and LOX, respectively, while SERPINE1 and PLOD2 displayed strong correlations with LOX (R = 0.707, p < 0.001 and R = 0.702, p < 0.001, respectively).