LTC4S and glioblastoma: According to GEPIA, higher expressions of FLAP/ALOX5AP, LTC4S, LTA4H, GGT5, and DPEP1 but not DPEP2 [9], the enzymes that synthesize LTB4 and LTE4 from the product of 5-LOX/ALOX5 activity, were also found in GBM tumors [224,225,229,230,232,234].