SLC27A4 and glioblastoma: Similarly to the analysis of all patients, male samples showed a positive correlation of SLC27A1 expression with SLC27A3, SLC27A4 with SLC27A5, SLC27A4 with SLC27A6, and SLC27A5 with SLC27A6 in the studied regions of the glioblastoma tumor (Table 4).