{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T01:31:08Z","timestamp":1789090268257,"version":"build-2803163510"},"reference-count":42,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2024,2,16]],"date-time":"2024-02-16T00:00:00Z","timestamp":1708041600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Netherlands Society of Gastroenterology"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,8,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Aims<\/jats:title>\n                  <jats:p>Patients with mutations in ATP8B1 develop progressive familial intrahepatic cholestasis type 1 [PFIC1], a severe liver disease that requires life-saving liver transplantation. PFIC1 patients also present with gastrointestinal problems, including intestinal inflammation and diarrhoea, which are aggravated after liver transplantation. Here we investigate the intestinal function of ATP8B1 in relation to inflammatory bowel diseases.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>ATP8B1 expression was investigated in intestinal samples of patients with Crohn\u2019s disease [CD] or ulcerative colitis [UC] as well as in murine models of intestinal inflammation. Colitis was induced in ATP8B1-deficient mice with dextran sodium sulphate [DSS] and intestinal permeability was investigated. Epithelial barrier function was assessed in ATP8B1 knockdown Caco2-BBE cells. Co-immunoprecipitation experiments were performed in Caco2-BBE cells overexpressing ATP8B1-eGFP. Expression and localization of ATP8B1 and tight junction proteins were investigated in cells and in biopsies of UC and PFIC1 patients.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>ATP8B1 expression was decreased in UC and DSS-treated mice, and was associated with a decreased tight junctional pathway transcriptional programme. ATP8B1-deficient mice were extremely sensitive to DSS-induced colitis, as evidenced by increased intestinal barrier leakage. ATP8B1 knockdown cells showed delayed barrier establishment that affected Claudin-4 [CLDN4] levels and localization. CLDN4 immunohistochemistry showed a tight junctional staining in control tissue, whereas in UC and intestinal PFIC1 samples, CLDN4 was not properly localized.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>ATP8B1 is important in the establishment of the intestinal barrier. Downregulation of ATP8B1 levels in UC, and subsequent altered localization of tight junctional proteins, including CLDN4, might therefore be an important mechanism in UC pathophysiology.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ecco-jcc\/jjae024","type":"journal-article","created":{"date-parts":[[2024,2,15]],"date-time":"2024-02-15T21:38:18Z","timestamp":1708033098000},"page":"1134-1146","source":"Crossref","is-referenced-by-count":14,"title":["The Phospholipid Flippase ATP8B1 is Involved in the Pathogenesis of Ulcerative Colitis via Establishment of Intestinal Barrier Function"],"prefix":"10.1093","volume":"18","author":[{"given":"Pim J","family":"Koelink","sequence":"first","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valentina E","family":"G\u00f3mez-Mellado","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suzanne","family":"Duijst","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manon","family":"van Roest","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sander","family":"Meisner","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kam S","family":"Ho-Mok","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabrina","family":"Frank","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Babette S","family":"Appelman","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lysbeth ten","family":"Bloemendaal","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Georg F","family":"Vogel","sequence":"additional","affiliation":[{"name":"Department of Paediatrics I, Medical University of Innsbruck , 6020 Innsbruck , Austria"},{"name":"Institute of Cell Biology, Biocenter, Medical University of Innsbruck , 6020 Innsbruck , Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stan F J","family":"van de Graaf","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"},{"name":"Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Piter J","family":"Bosma","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"},{"name":"Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald P J","family":"Oude Elferink","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"},{"name":"Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manon E","family":"Wildenberg","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The Netherlands"},{"name":"Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam , Amsterdam , The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Coen C","family":"Paulusma","sequence":"additional","affiliation":[{"name":"Amsterdam University Medical Centers, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research , Amsterdam , The Netherlands"},{"name":"Amsterdam Gastroenterology Endocrinology Metabolism , Amsterdam , The 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