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. 2022 Feb 28;8:91. doi: 10.1038/s41420-022-00883-z

Fig. 1. Increased expression of EIF4EBP1 mRNA in malignant gliomas relative to non-neoplastic brain tissue.

Fig. 1

A Expression levels of EIF4EBP1 in non-neoplastic brain tissue (NNBT) and glioblastoma tissues from the REMBRANDT [26] and SUN [27] cohorts. B Expression levels of EIF4EBP1 in 172 NNBT samples (BERCHTOLD [67]) and according to EIF4EBP1 copy number variation in 507 malignant gliomas of CNS WHO grade 4 of TCGA cohort [32] categorized as EIF4EBP1 copy number loss (hemizygous deletion [loss]), EIF4EBP1 balanced copy number (balanced), or EIF4EBP1 low-level copy number gain (gain). C DNA methylation levels of 12 CpG sites located within the EIF4EBP1 promoter region (hg19; Chr8: 37,886,520–37,889,020) using the datasets GSE112179 and GSE156374 for NNBT (n = 13) and GSE119774 for malignant glioma (M. glioma) tissues (n = 40) with 0 representing unmethylated and 1 representing fully methylated CpG sites. Note identical methylation patterns in normal brain tissue and the glioblastoma samples. Significance in A, B was calculated using an unpaired and two-tailed parametric t test (*p < 0.05, **p < 0.01, ****p < 0.0001).