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Afterward samples were sonicated 2x20s with 60% amplitude and subsequently denatured at  98C for 5 min. To separate the fat samples were centrifuged twice for 30 min at 20,000 x g and protein concentrations were determined using BCA. Hundred fifty micrograms of protein were reduced with 3mM TCEP and alkylated with 20mM iodoacetamide prior to digestion with 0.04AU/mg protein LysC and 5% Trypsin overnight at 37 C. Next day, 1% Trypsin was added, and incubation was continued for 1 more hour. Afterwards, 10 µg of peptides were purified by reverse phase chromatography using a very small column built with 1 cm long R3 (Oligo R3, 1-1339-03, 30 μm particle, C18, Thermo Scientific) resin on top of a C18 disc in a P200 pipette tip (SP401 Thermo Scientific). Approximately 1 µg of peptides in solvent A (0.1% formic acid) were loaded onto a 20-cm analytical column (100-µm inner diameter) packed with ReproSil-Pur C18 AQ 1.9-µm RP material using a Thermo Scientific™ Vanquish™ Neo UHPLC system coupled to an Orbitrap Astral mass spectrometer. Peptides were eluted from the column by changing the gradient from 98% solvent A and 2% solvent B (80% acetonitrile and 0.1% formic acid) to 9.5% solvent B during the first 1 min. During the next 29 min, the percentage of solvent B was steadily increasing to 41.5%. During the 30 min gradient, mass spectrometer operated in a positive mode with orbitrap resolution set at 240 000, scan range between 400 and 100 m/z and minimum injection time of 3 ms. Data-independent acquisition (DIA) was performed with higher-energy collision-induced dissociation set to 25%, a scan range from 150 to 2000 m/z, a maximum injection time of 2.5 ms, and a cycle time of 0.6 s. Fragment ions were detected using the Astral detector."],"repository":["Pride"],"quantification_method":[""],"modification":[""],"data_protocol":["Raw data files were converted to HTRMS format using the HTRMS converter before searching with Spectronaut 19.5, using the Mus musculus reference proteome FASTA file, ID UP000000589, containing 21,757 genes (downloaded on 27.01.2025). Most search settings were kept at their defaults. In brief, search settings included trypsin-digested peptides with a maximum of 2 missed cleavages, carbamidomethyl (C) as a fixed modification, and a maximum of 5 variable modifications, including acetyl (Protein N-term) and oxidation (M). The Deep DirectDIA+ workflow was used for identification. For quantification, precursor filtering was set to “Identified (Qvalue)”, and no imputation was performed. The proteotypicity filter was set to “Only protein group specific”, and cross-run normalization was used."],"omics_type":["Proteomics"],"labhead":["Trisha Jean"],"instrument_platform":[""],"submission_type":["PARTIAL"],"labhead_affiliation":["Department of Biomedical Sciences, University of Copenhagen"],"species":["Mus Musculus (mouse)"],"submitter_mail":["ibradic95@gmail.com"],"publication":["10.1016/J.JHEP.2026.04.033"],"submitter_affiliation":["University of Southern Denmark"],"submitter_country":["Denmark"],"additional_accession":[]},"is_claimable":false,"name":"Arachidonoyl-taurine protects from diet-induced hepatic steatosis and inflammation","description":"Metabolic dysfunction-associated steatotic liver disease and its progressive and inflamma-tory form metabolic dysfunction-associated steatohepatitis represents a global health challenge, with limited treatment options available. In this study we identified an endoge-nous, understudied omega-6 fatty acid metabolite, arachidonoyl-taurine (ARA-T), capable of mitigating liver disease. ARA-T levels increased in human plasma of chronic and acute fatty liver and their abundance can be driven in humans and mice by dietary supplementa-tion of arachidonic acid. Surprisingly, our genetic model of elevated circulating ARA-T levels prevented inflammation and hepatic steatosis by increased uptake and turnover of fatty ac-ids in the liver. Pharmacological administration of ARA-T reduced liver weight and diet-induced hepatic lipid deposition in mice, demonstrating its potential to protect against and reverse the progression of liver disease. Thus, ARA-T may represent a way to protect against pro-inflammatory actions of omega-6 fatty acids thereby contributing to regulation of in-flammation and accumulation of hepatic lipids.","dates":{"publication":"2026-05-21","submission":"2025-03-02"},"accession":"PXD061361","cross_references":{"TAXONOMY":["NEWT:6945","NEWT:184922","NEWT:6703","NEWT:3555","NEWT:2","NEWT:157546","NEWT:35554","NEWT:38942","NEWT:307972","NEWT:32046","NEWT:544496","NEWT:2102","NEWT:2042546","NEWT:45351","NEWT:43179","NEWT:4513","NEWT:5722","NEWT:1247","NEWT:55153","NCBITaxon:10407","NEWT:1736309","NEWT:309800","NEWT:281395","NEWT:10360","NEWT:1211601","NEWT:876138","NEWT:47664","NEWT:3654","NEWT:237561","NEWT:5833","NEWT:6928","NEWT:10036","NEWT:36745","NEWT:498019","NEWT:1351","NEWT:1438992","NEWT:1352","NEWT:2649997","NEWT:272563","NEWT:224326","NCBITaxon:79857","NEWT:1096976","NEWT:82688","NEWT:95648","NEWT:3885","NEWT:3888","NEWT:5821","NEWT:1589","NEWT:135622","NCBITaxon:4896","NEWT:6915","NEWT:3649","NEWT:101510","NEWT:28903","NEWT:3880","NEWT:272559","NEWT:28909","NEWT:515849","NEWT:3641","NEWT:383379","NEWT:466585","NEWT:10029","NEWT:913645","NEWT:1000589","NEWT:85963","NEWT:85962","NEWT:143361","NEWT:317447","NEWT:7955","NEWT:7959","NEWT:2261","NEWT:31156","NEWT:398580","NEWT:4565","NEWT:1264690","NEWT:515619","NEWT:192875","NEWT:34305","NEWT:59729","NCBITaxon:183674","NEWT:224308","NEWT:84645","NEWT:626528","NEWT:3347","NEWT:139927","NEWT:4558","NEWT:209285","NEWT:5888","NEWT:211586","NEWT:747078","NEWT:1283","NEWT:931281","NEWT:4550","NEWT:1000561","NEWT:294381","NEWT:197","NEWT:1390363","NEWT:77133","NEWT:288705","NCBITaxon:79824","NEWT:4787","NCBITaxon:4563","NEWT:5755","NEWT:44689","NEWT:3218","NEWT:5759","NEWT:1736231","NEWT:1270","NEWT:374990","NEWT:498217","NEWT:156471","NEWT:2242","NEWT:4784","NEWT:11320","NEWT:360106","NEWT:156476","NEWT:286","NEWT:391619","NEWT:360104","NEWT:287","NEWT:246197","NEWT:10117","NEWT:10239","NEWT:10116","NEWT:1280","NEWT:1735272","NEWT:83334","NEWT:83332","NEWT:44685","NEWT:317513","NEWT:1148","NEWT:580240","NEWT:5508","NEWT:294128","NEWT:11676","NEWT:55571","NEWT:35500","NEWT:1140","NEWT:100226","NEWT:4530","NEWT:1143","NEWT:4896","NEWT:75058","NEWT:13616","NEWT:1390","NEWT:1094343","NEWT:1336795","NEWT:296543","NEWT:316435","NEWT:1773","NEWT:1895","NEWT:1182590","NEWT:3712","NEWT:82380","NEWT:105023","NEWT:866628","NEWT:935293","NEWT:64152","NEWT:4924","NEWT:749200","NEWT:375146","NEWT:990346","NEWT:145953","NEWT:257309","NEWT:100816","NEWT:263","NEWT:230741","NEWT:52283","NEWT:284812","NCBITaxon:1313","NEWT:43330","NEWT:1603293","NEWT:408169","NEWT:44544","NEWT:47946","NEWT:4911","NEWT:645463","NEWT:3702","NEWT:129249","NEWT:243277","NEWT:990119","NEWT:2850","NEWT:408172","NEWT:408170","NEWT:493760","NEWT:106590","NEWT:260710","NEWT:257313","NEWT:400772","NEWT:3708","NEWT:128161","NEWT:332648","NEWT:106592","NEWT:536231","NEWT:1436733","NEWT:460519","NEWT:1187947","NEWT:1432138","NEWT:269796","NEWT:10312","NEWT:1424507","NCBITaxon:1773","NEWT:9598","NEWT:8030","NEWT:9483","NEWT:1639","NEWT:188229","NEWT:3818","NEWT:480","NEWT:4909","NEWT:67767","NEWT:432359","NEWT:46835","NEWT:1182263","NEWT:109757","NEWT:943146","NEWT:2711","NEWT:300852","NEWT:1502","NEWT:376686","NEWT:95486","NEWT:9103","NEWT:1883446","NEWT:29159","NEWT:253","NEWT:10306","NCBITaxon:2759","NEWT:1233435","NEWT:93061","NEWT:8022","NEWT:145943","NCBITaxon:4932","NEWT:595536","NEWT:240906","NEWT:593117","NEWT:89920","NEWT:3635","NEWT:5811","NEWT:235443","NEWT:180923","NEWT:108458","NEWT:272623","NEWT:272624","NEWT:411483","NEWT:884019","NEWT:198215","NEWT:411490","NEWT:983964","NEWT:118499","NEWT:169963","NEWT:32644","NEWT:527796","NEWT:225117","NEWT:499175","NEWT:109779","NEWT:476272","NEWT:3747","NEWT:195051","NEWT:367830","NEWT:1255228","NEWT:178616","NEWT:649908","NEWT:410289","NEWT:373153","NEWT:375451","NEWT:352472","NEWT:357","NEWT:1071661","NEWT:360094","NEWT:470","NEWT:41364","NEWT:1313","NEWT:411469","NEWT:84023","NEWT:559292","NEWT:39491","NCBITaxon:5811","NEWT:411464","NEWT:411460","NEWT:2014887","NEWT:2762","NEWT:1174673","NEWT:1328426","NEWT:562","NEWT:411470","NEWT:33952","NEWT:2094720","NCBITaxon:2697049","NEWT:571256","NEWT:28038","NEWT:1663","NEWT:1423","NEWT:4932","NEWT:3603","NEWT:2759","NEWT:3847","NEWT:38293","NEWT:327159","NEWT:178876","NEWT:1660","NEWT:327160","NEWT:573","NEWT:9031","NEWT:1872122","NEWT:7091","NEWT:108931","NEWT:241368","NEWT:42528","NEWT:190802","NEWT:9778","NEWT:150475","NEWT:303","NEWT:9417","NEWT:7111","NEWT:347515","NEWT:1216979","NEWT:7237","NEWT:5180","NEWT:256737","NEWT:9541","NEWT:115104","NEWT:1121114","NEWT:663","NEWT:1081927","NEWT:1238993","NEWT:67825","NEWT:185579","NEWT:941442","NEWT:220668","NEWT:13076","NEWT:1821314","NEWT:1249668","NEWT:7108","NEWT:317","NEWT:5286","NEWT:7227","NEWT:7469","NEWT:885318","NEWT:9402","NEWT:9644","NEWT:415540","NEWT:550","NEWT:675060","NEWT:4081","NEWT:334542","NEWT:554","NEWT:27592","NEWT:98334","NEWT:426428","NEWT:63459","NEWT:36185","NEWT:588858","NEWT:9639","NCBITaxon:11071","NEWT:242231","NEWT:7574","NEWT:1715256","NEWT:7215","NEWT:575412","NEWT:929793","NEWT:29204","NEWT:28112","NEWT:2172103","NE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