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Development of Potent and Selective Monoacylglycerol Lipase Inhibitors. Sars, Structural Analysis, and Biological Characterization Publisher Pubmed

Summary: New inhibitors targeting MAGL show promise for treating central and peripheral diseases by boosting brain signaling, research finds. #Neuroscience #DrugDevelopment

Butini S1 ; Grether U2 ; Jung KM3 ; Ligresti A4 ; Allara M4 ; Postmus AGJ5 ; Maramai S1 ; Brogi S6 ; Papa A1 ; Carullo G1 ; Sykes D7, 8 ; Veprintsev D7 ; Federico S1 ; Grillo A1 Show All Authors
Authors
  1. Butini S1
  2. Grether U2
  3. Jung KM3
  4. Ligresti A4
  5. Allara M4
  6. Postmus AGJ5
  7. Maramai S1
  8. Brogi S6
  9. Papa A1
  10. Carullo G1
  11. Sykes D7, 8
  12. Veprintsev D7
  13. Federico S1
  14. Grillo A1
  15. Di Guglielmo B1
  16. Ramunno A9
  17. Stevens AF5
  18. Heer D2
  19. Lamponi S1
  20. Gemma S1
  21. Benz J2
  22. Di Marzo V4, 10, 11, 12, 13
  23. Van Der Stelt M5
  24. Piomelli D3
  25. Campiani G1, 14

Source: Journal of Medicinal Chemistry Published:2024


Abstract

New potent, selective monoacylglycerol lipase (MAGL) inhibitors based on the azetidin-2-one scaffold ((±)-5a-v, (±)-6a-j, and (±)-7a-d) were developed as irreversible ligands, as demonstrated by enzymatic and crystallographic studies for (±)-5d, (±)-5l, and (±)-5r. X-ray analyses combined with extensive computational studies allowed us to clarify the binding mode of the compounds. 5v was identified as selective for MAGL when compared with other serine hydrolases. Solubility, in vitro metabolic stability, cytotoxicity, and absence of mutagenicity were determined for selected analogues. The most promising compounds ((±)-5c, (±)-5d, and (±)-5v) were used for in vivo studies in mice, showing a decrease in MAGL activity and increased 2-arachidonoyl-sn-glycerol levels in forebrain tissue. In particular, 5v is characterized by a high eudysmic ratio and (3R,4S)-5v is one of the most potent irreversible inhibitors of h/mMAGL identified thus far. These results suggest that the new MAGL inhibitors have therapeutic potential for different central and peripheral pathologies. © 2024 American Chemical Society.