Approximately 200 patients with ODG and a cohort of 172 patient samples with GBM from The Cancer Genome Atlas (TCGA) RNA sequencing (RNAseq) database were analyzed for high and low TMEM230 expression levels (https://www.cancer.gov/ccg/research/genome-sequencing/tcga) accessed on 1 December 2023. This evidence concerns the gene TMEM230 and glioblastoma.