PLEK2 and glioblastoma: Further analysis using Kaplan–Meier survival curves demonstrated that lower expression of PLEK2 was related to better OS in ACC, GBM, LGG, LIHC, LUAD, MESO, OV, PAAD, SARC, SKCM, and UVM (Figures S5a, i, o and S6a, b, d, e, f, j, k, and r, respectively).