{"id":13408,"date":"2019-03-14T14:47:17","date_gmt":"2019-03-14T13:47:17","guid":{"rendered":"http:\/\/cyber.pixilie.fr\/?post_type=publications&#038;p=13408"},"modified":"2025-09-11T16:48:03","modified_gmt":"2025-09-11T14:48:03","slug":"inhibition-of-monoacylglycerol-lipase-an-anti-inflammatory-and-antifibrogenic-strategy-in-the-liver","status":"publish","type":"publication","link":"https:\/\/cri1149.mlcom-dev.net\/en\/publication\/inhibition-of-monoacylglycerol-lipase-an-anti-inflammatory-and-antifibrogenic-strategy-in-the-liver\/","title":{"rendered":"Inhibition of monoacylglycerol lipase, an anti-inflammatory and antifibrogenic strategy in the liver"},"content":{"rendered":"","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-13408","publication","type-publication","status-publish","hentry"],"acf":{"numero_de_publication":"Gut. 2018 ","date_de_publication":"20181009","numero_doi":"","equipe":[144],"auteurs-liste":[{"texte_libre":false,"auteur-lien":13086,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Chokr D[:]"},{"texte_libre":false,"auteur-lien":13171,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Hegde P[:]"},{"texte_libre":false,"auteur-lien":13180,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Siebert M[:]"},{"texte_libre":false,"auteur-lien":13175,"auteur-text":[]},{"texte_libre":false,"auteur-lien":13105,"auteur-text":[]},{"texte_libre":false,"auteur-lien":13106,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Pilard N[:]"},{"texte_libre":false,"auteur-lien":13112,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Brouillet A[:]"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Tardelli M[:]"},{"texte_libre":false,"auteur-lien":13172,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Le Faouder P[:]"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Guillou H[:]"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Cravatt BF[:]"},{"texte_libre":false,"auteur-lien":13124,"auteur-text":[]},{"texte_libre":true,"auteur-lien":null,"auteur-text":"[:fr]Trauner M[:]"},{"texte_libre":false,"auteur-lien":13108,"auteur-text":[]}],"auteurs-manuel":"","liens_externes":null,"liens":[{"lien":"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/30301768"}],"paragraphe":"<h3 style=\"text-align: justify;\">Abstract<\/h3>\r\n<div class=\"\">\r\n<h4 style=\"text-align: justify;\">OBJECTIVE:<\/h4>\r\n<p style=\"text-align: justify;\">Sustained inflammation originating from macrophages is a driving force of fibrosis progression and resolution. Monoacylglycerol lipase (MAGL) is the rate-limiting enzyme in the degradation of monoacylglycerols. It is a proinflammatory enzyme that metabolises 2-arachidonoylglycerol, an endocannabinoid receptor ligand, into arachidonic acid. Here, we investigated the impact of MAGL on inflammation and fibrosis during chronic liver injury.<\/p>\r\n<h4 style=\"text-align: justify;\">DESIGN:<\/h4>\r\n<p style=\"text-align: justify;\">C57BL\/6J mice and mice with global invalidation of MAGL (MAGL\u00a0<b><sup>-\/-<\/sup><\/b>\u00a0), or myeloid-specific deletion of either MAGL (MAGL<sup>Mye-\/-<\/sup>), ATG5 (ATG<sup>Mye-\/-<\/sup>) or CB2 (CB2<sup>Mye-\/-<\/sup>), were used. Fibrosis was induced by repeated carbon tetrachloride (CCl<sub>4<\/sub>) injections or bile duct ligation (BDL). Studies were performed on peritoneal or bone marrow-derived macrophages and Kupffer cells.<\/p>\r\n<h4 style=\"text-align: justify;\">RESULTS:<\/h4>\r\n<p style=\"text-align: justify;\">MAGL\u00a0<b><sup>-\/-<\/sup><\/b>\u00a0or MAGL<sup>Mye-\/-<\/sup>\u00a0mice exposed to CCl<sub>4<\/sub>\u00a0or subjected to BDL were more resistant to inflammation and fibrosis than wild-type counterparts. Therapeutic intervention with MJN110, an MAGL inhibitor, reduced hepatic macrophage number and inflammatory gene expression and slowed down fibrosis progression. MAGL inhibitors also accelerated fibrosis regression and increased Ly-6C<sup>low<\/sup>\u00a0macrophage number. Antifibrogenic effects exclusively relied on MAGL inhibition in macrophages, since MJN110 treatment of MAGL<sup>Mye-\/-<\/sup>\u00a0BDL mice did not further decrease liver fibrosis. Cultured macrophages exposed to MJN110 or from MAGL<sup>Mye-\/-<\/sup>\u00a0mice displayed reduced cytokine secretion. These effects were independent of the cannabinoid receptor 2, as they were preserved in CB2<sup>Mye-\/-<\/sup>\u00a0mice. They relied on macrophage autophagy, since anti-inflammatory and antifibrogenic effects of MJN110 were lost in ATG5<sup>Mye-\/-<\/sup>\u00a0BDL mice, and were associated with increased autophagic flux and autophagosome biosynthesis in macrophages when MAGL was pharmacologically or genetically inhibited.<\/p>\r\n<h4 style=\"text-align: justify;\">CONCLUSION:<\/h4>\r\n<p style=\"text-align: justify;\">MAGL is an immunometabolic target in the liver. MAGL inhibitors may show promising antifibrogenic effects during chronic liver injury.<\/p>\r\n<\/div>","paragraphe_en":"","documents":[{"document":14588}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Inhibition of monoacylglycerol lipase, an anti-inflammatory and antifibrogenic strategy in the liver - CRI<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inhibition of monoacylglycerol lipase, an anti-inflammatory and antifibrogenic strategy in the liver - CRI\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cri1149.mlcom-dev.net\/publication\/inhibition-of-monoacylglycerol-lipase-an-anti-inflammatory-and-antifibrogenic-strategy-in-the-liver\/\" \/>\n<meta property=\"og:site_name\" content=\"CRI\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CRI-Centre-de-recherche-sur-linflammation-100116118884153\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-11T14:48:03+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cri1149.mlcom-dev.net\/publication\/inhibition-of-monoacylglycerol-lipase-an-anti-inflammatory-and-antifibrogenic-strategy-in-the-liver\/\",\"url\":\"https:\/\/cri1149.mlcom-dev.net\/publication\/inhibition-of-monoacylglycerol-lipase-an-anti-inflammatory-and-antifibrogenic-strategy-in-the-liver\/\",\"name\":\"Inhibition of monoacylglycerol lipase, an anti-inflammatory and antifibrogenic strategy in the liver - 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