Prostaglandin-metabolizing enzyme

Prostaglandin-metabolizing enzymes constitute a broad group of enzymes responsible for the synthesis and breakdown of prostaglandins, which are lipid signaling molecules derived from arachidonic acid. The major synthetic enzymes include cyclooxygenases (COX-1 and COX-2), which convert arachidonic acid to prostaglandin H2 (PGH2), and a series of terminal synthases (such as prostaglandin E synthase, prostacyclin synthase, prostaglandin D synthase, and thromboxane synthase) that generate specific prostaglandins. Catabolic enzymes such as prostaglandin reductase 1 (PTGR1) deactivate prostaglandins. These enzymes are crucial in regulating inflammation, vascular tone, pain, fever, and other physiological responses. Many prostaglandin-metabolizing enzymes have been identified as key therapeutic targets for anti-inflammatory drugs, cardiovascular medications, and anticancer agents. However, this umbrella term lacks specificity and should be broken down into individual enzyme targets for precise biomedical or pharmacological applications.

Other names

Prostaglandin metabolism enzymesProstaglandin biosynthetic enzymesProstaglandin-degrading enzymes

Inhibition of prostaglandin biosynthesis (by blocking COX enzymes); Inhibition of specific synthases (e.g., mPGES-1 inhibition decreases PGE2 production); Direct modulation of prostaglandin catabolism (e.g., PTGR1 inhibitors decrease prostaglandin breakdown); Mimicry or antagonism at prostaglandin receptors (via prostaglandin analogues).