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CRYSTAL STRUCTURE OF HUMAN MONOGLYCERIDE LIPASE WITH COMPOUND 13CRYSTAL STRUCTURE OF HUMAN MONOGLYCERIDE LIPASE WITH COMPOUND 13
Structural highlights
Function[MGLL_HUMAN] Converts monoacylglycerides to free fatty acids and glycerol. Hydrolyzes the endocannabinoid 2-arachidonoylglycerol, and thereby contributes to the regulation of endocannabinoid signaling, nociperception and perception of pain (By similarity). Regulates the levels of fatty acids that serve as signaling molecules and promote cancer cell migration, invasion and tumor growth.[1] Publication Abstract from PubMedMonoacylglycerol lipase (MAGL) is one of the key enzymes in the endocannabinoid system. Inhibition of MAGL has been proposed as an attractive approach for the treatment of various diseases. In this study, we designed and successfully synthesized two series of piperazinyl pyrrolidin-2-one derivatives as novel reversible MAGL inhibitors. (R)-[(18)F]13 was identified through the preliminary evaluation of two carbon-11-labeled racemic structures [(11)C]11 and [(11)C]16. In dynamic positron-emission tomography (PET) scans, (R)-[(18)F]13 showed a heterogeneous distribution and matched the MAGL expression pattern in the mouse brain. High brain uptake and brain-to-blood ratio were achieved by (R)-[(18)F]13 in comparison with previously reported reversible MAGL PET radiotracers. Target occupancy studies with a therapeutic MAGL inhibitor revealed a dose-dependent reduction of (R)-[(18)F]13 accumulation in the mouse brain. These findings indicate that (R)-[(18)F]13 ([(18)F]YH149) is a highly promising PET probe for visualizing MAGL non-invasively in vivo and holds great potential to support drug development. Development of High Brain-Penetrant and Reversible Monoacylglycerol Lipase PET Tracers for Neuroimaging.,He Y, Schild M, Grether U, Benz J, Leibrock L, Heer D, Topp A, Collin L, Kuhn B, Wittwer M, Keller C, Gobbi LC, Schibli R, Mu L J Med Chem. 2022 Feb 10;65(3):2191-2207. doi: 10.1021/acs.jmedchem.1c01706. Epub , 2022 Jan 28. PMID:35089028[2] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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