ASAH1 and glioblastoma: The focal adhesion-PI3K-Akt-mTOR-signaling pathway positively correlated with ASAH1 in the Gravandeel dataset (Figure 2A) and had a positive normalized enrichment score in both TCGA GBM HG-U133A (Figure 2B) and TCGA GBM Agilent-4502A (Figure 2C).