As shown in Fig. 6A, MeCP2 expression was negatively correlated with the stromal score in GBM, LGG, and PCPG and positively correlated with the stromal score in BRCA, COAD, HNSC, KIRC, LAML, PAAD, and STAD (P < 0.01). The gene discussed is MECP2; the disease is glioblastoma.