Fig. 1From: Update on the pathological roles of prostaglandin E2 in neurodegeneration in amyotrophic lateral sclerosisThe biosynthetic and metabolic pathways of PGE2. COX, cyclooxygenase; EP1-4, E-prostanoid receptor 1–4; 15-PGDH, 15-hydroxyprostaglandin dehydrogenase; PGE2, prostaglandin E2; PGES, prostaglandin E synthase; PGG2, prostaglandin G2; PGH2, prostaglandin H2; PLA2, phospholipase A2Back to article page