The functional link between microsomal prostaglandin E synthase-1 (mPGES-1) and peroxisome proliferator-activated receptor γ (PPARγ) in the onset of inflammation

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Colleges, School and Institutes


Many years have elapsed since the discovery of anti-inflammatories as effective therapeutics for the treatment of inflammatory-related diseases, but we are still uncovering learning their various mechanisms of action. Recent biochemical and pharmacological studies have shown that in different tissues and cell types lipid mediators from arachidonic acid cascade, play a crucial role in the initiation and resolution of inflammation by shifting from pro-inflammatory prostaglandin (PG)E2 to anti-inflammatory PGD2 and PGJ2. Considering that until now very little is known on the biological effects evoked by microsomal prostaglandin E synthase-1 (mPGES-1) and contextually by peroxisome proliferator-activated receptor γ (PPARγ) modulation (key enzymes involved in PGE2 and PGD2 metabolism), in this opinion paper we sought to define the coordinate functional regulation between these two enzymes as novel intermediates at the "crossroads of phlogistic pathway" involved in the induction and resolution of inflammation.


Original languageEnglish
Article number104807
JournalPharmacological Research
Early online date21 Apr 2020
Publication statusPublished - Jul 2020


  • inflammation, mPGES-1, PGE2, PPARγ