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. 2014 Aug 21;20(31):10729–10739. doi: 10.3748/wjg.v20.i31.10729

Figure 3.

Figure 3

Metabolic pathway of arachidonic acid via 5- lipoxygenase. Arachidonic acid is released from membrane phospholipids by phospholipase A2 and converted to 5-HPETE by 5-LOX and 5-LOX activating protein (FLAP). 5-HPETE can then form either 5-HETE or LTA4. LTA4 then becomes LTB4 or LTC4. LTC4 can then form LTD4 and subsequently LTE4. cPLA2: Cytosolic phospholipase A2; LOX: Lipoxygenase; FLAP: 5-LOX activating protein; HPETE: Hydroperoxyeicosatetraenoic acid; HETE: Hydroxyl 6 trans 8, 11, 14 cis eicosatetraenoic acid; LT: Leukotriene.