{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T01:45:48Z","timestamp":1774316748167,"version":"3.50.1"},"reference-count":39,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2024,6,29]],"date-time":"2024-06-29T00:00:00Z","timestamp":1719619200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP15H04805"],"award-info":[{"award-number":["JP15H04805"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP21H02681"],"award-info":[{"award-number":["JP21H02681"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP20ek0109492"],"award-info":[{"award-number":["JP20ek0109492"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP20ek0109485"],"award-info":[{"award-number":["JP20ek0109485"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP23ek0109675"],"award-info":[{"award-number":["JP23ek0109675"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP21ek0109548"],"award-info":[{"award-number":["JP21ek0109548"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP21wm0425009"],"award-info":[{"award-number":["JP21wm0425009"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science KAKENHI","doi-asserted-by":"crossref","award":["JP23ek0109672"],"award-info":[{"award-number":["JP23ek0109672"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Japan Science and Technology Agency NBDC","award":["JPMJND2302"],"award-info":[{"award-number":["JPMJND2302"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,12,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>It is crucial to pinpoint the metabolites that cause Crohn\u2019s disease (CD) and ulcerative colitis (UC) to comprehend their pathogenesis and identify possible targets for therapy. To achieve this goal, we performed the first metabolome-wide Mendelian randomization (MR) study of Japanese patients with CD and UC.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>As exposure datasets, genetic instruments with blood-circulating metabolites were obtained from the Tohoku Medical Megabank Organization, which includes 204 metabolites from the genome-wide association study data of 7843 Japanese individuals. As outcome datasets, we enrolled Japanese patients with CD (n = 1803), Japanese patients with UC (n = 1992), and healthy controls (n = 2022). The main analysis utilized the inverse variance\u2013weighted method, while stability of the findings was evaluated through sensitivity analyses.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>After single nucleotide polymorphism (SNP) filtering, 169 SNPs for 45 metabolites were available for MR. Genetically predicted elevated circulating trans-glutaconic acid and tryptophan were associated with a lower CD risk (odds ratio [OR], 0.68; P\u2005=\u20055.95 \u00d7 10\u22123; and OR, 0.64; P\u2005=\u20051.90 \u00d7 10\u22122, respectively). Genetically predicted elevated caffeic acid was associated with a lower UC risk (OR, 0.67; P\u2005=\u20054.2 \u00d7 10\u22124), which remained significant after multiple testing correction. We identified a causal link between UC and 3-hydroxybutyrate (OR, 2.21; P\u2005=\u20051.41 \u00d7 10\u22122), trans-glutaconic acid (OR, 0.72; P\u2005=\u20051.77 \u00d7 10\u22122), and 2-hydroxyvaleric acid (OR, 1.31; P\u2005=\u20054.23 \u00d7 10\u22122). There was no evidence of pleiotropy or reverse causal effects for these candidate metabolites.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>In our metabolome-wide MR study, we discovered a notable protective effect of caffeic acid against UC.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ibd\/izae143","type":"journal-article","created":{"date-parts":[[2024,6,30]],"date-time":"2024-06-30T14:26:21Z","timestamp":1719757581000},"page":"2440-2448","source":"Crossref","is-referenced-by-count":3,"title":["Genetically Predicted Higher Levels of Caffeic Acid Are Protective Against Ulcerative Colitis: A Comprehensive Metabolome Analysis"],"prefix":"10.1093","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9744-7946","authenticated-orcid":false,"given":"Takeo","family":"Naito","sequence":"first","affiliation":[{"name":"Division of Gastroenterology, Tohoku University 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