DUSP1 and glioblastoma: In line with this evidence, association analysis in the human glioblastoma cohort from the TCGA showed an inverse correlation between MKP1 and SOX2 (r = −0.207, p value = 1.3e−06) and also with SOX9 (r = −0.169, p value = 1.7e−04) (Fig. 2g).