Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/103306
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dc.contributor.authorLeibiger, Ingo B.en
dc.contributor.authorLeibiger, Barbaraen
dc.contributor.authorMoede, Tiloen
dc.contributor.authorPaschen, Meikeen
dc.contributor.authorDicker, Andreaen
dc.contributor.authorAbdulreda, Midhat H.en
dc.contributor.authorÅvall, Karinen
dc.contributor.authorAli, Yusufen
dc.contributor.authorDaré, Elisabettaen
dc.contributor.authorKöhler, Martinen
dc.contributor.authorIlegems, Erwinen
dc.contributor.authorGraham, Marken
dc.contributor.authorCrooke, Rosanne M.en
dc.contributor.authorTay, Vanessa Shi Yunen
dc.contributor.authorRefai, Essamen
dc.contributor.authorNilsson, Stefan K.en
dc.contributor.authorJacob, Stefanen
dc.contributor.authorSelander, Larsen
dc.contributor.authorBerggren, Per-Olofen
dc.contributor.authorJuntti-Berggren, Lisaen
dc.date.accessioned2015-06-04T01:13:34Zen
dc.date.accessioned2019-12-06T21:09:34Z-
dc.date.available2015-06-04T01:13:34Zen
dc.date.available2019-12-06T21:09:34Z-
dc.date.copyright2015en
dc.date.issued2015en
dc.identifier.citationÅvall, K., Ali, Y., Leibiger, I. B., Leibiger, B., Moede, T., Paschen, M., et al. (2015). Apolipoprotein CIII links islet insulin resistance to β-cell failure in diabetes. Proceedings of the National Academy of Sciences of the United States of America, 112(20), E2611-E2619.en
dc.identifier.urihttps://hdl.handle.net/10356/103306-
dc.identifier.urihttp://hdl.handle.net/10220/25742en
dc.description.abstractInsulin resistance and β-cell failure are the major defects in type 2 diabetes mellitus. However, the molecular mechanisms linking these two defects remain unknown. Elevated levels of apolipoprotein CIII (apoCIII) are associated not only with insulin resistance but also with cardiovascular disorders and inflammation. We now demonstrate that local apoCIII production is connected to pancreatic islet insulin resistance and β-cell failure. An increase in islet apoCIII causes promotion of a local inflammatory milieu, increased mitochondrial metabolism, deranged regulation of β-cell cytoplasmic free Ca2+ concentration ([Ca2+]i) and apoptosis. Decreasing apoCIII in vivo results in improved glucose tolerance, and pancreatic apoCIII knockout islets transplanted into diabetic mice, with high systemic levels of the apolipoprotein, demonstrate a normal [Ca2+]i response pattern and no hallmarks of inflammation. Hence, under conditions of islet insulin resistance, locally produced apoCIII is an important diabetogenic factor involved in impairment of β-cell function and may thus constitute a novel target for the treatment of type 2 diabetes mellitus.en
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en
dc.language.isoenen
dc.relation.ispartofseriesProceedings of the National Academy of Sciences of the United States of Americaen
dc.rights© 2015 The Author(s) (Published by National Academy of Sciences).This is the author created version of a work that has been peer reviewed and accepted for publication by Proceedings of the National Academy of Sciences of the United States of America, The Author(s) (Published by National Academy of Sciences). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1073/pnas.1423849112].en
dc.subjectdiabetesen
dc.subjectapoCIIIen
dc.subjectinsulin resistanceen
dc.subjectpancreatic isletsen
dc.titleApolipoprotein CIII links islet insulin resistance to β-cell failure in diabetesen
dc.typeJournal Articleen
dc.contributor.schoolLee Kong Chian School of Medicine (LKCMedicine)en
dc.identifier.doi10.1073/pnas.1423849112en
dc.description.versionAccepted Versionen
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Appears in Collections:LKCMedicine Journal Articles
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