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Fuhrmeister, J.* ; Zota, A. ; Sijmonsma, T.P.* ; Seibert, O.* ; Cingır, S.* ; Schmidt, K.* ; Vallon, N.* ; de Guia, R.M.* ; Niopek, K. ; Berriel Diaz, M. ; Maida, A. ; Blüher, M.* ; Okun, J.G.* ; Herzig, S. ; Rose, A.J.*

Fasting-induced liver GADD45β restrains hepatic fatty acid uptake and improves metabolic health.

EMBO Mol. Med. 8, 654-669 (2016)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Recent studies have demonstrated that repeated short-term nutrient withdrawal (i.e. fasting) has pleiotropic actions to promote organismal health and longevity. Despite this, the molecular physiological mechanisms by which fasting is protective against metabolic disease are largely unknown. Here, we show that, metabolic control, particularly systemic and liver lipid metabolism, is aberrantly regulated in the fasted state in mouse models of metabolic dysfunction. Liver transcript assays between lean/healthy and obese/diabetic mice in fasted and fed states uncovered "growth arrest and DNA damage-inducible" GADD45β as a dysregulated gene transcript during fasting in several models of metabolic dysfunction including ageing, obesity/pre-diabetes and type 2 diabetes, in both mice and humans. Using whole-body knockout mice as well as liver/hepatocyte-specific gain- and loss-of-function strategies, we revealed a role for liver GADD45β in the coordination of liver fatty acid uptake, through cytoplasmic retention of FABP1, ultimately impacting obesity-driven hyperglycaemia. In summary, fasting stress-induced GADD45β represents a liver-specific molecular event promoting adaptive metabolic function.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Fabp1 ; Hormesis ; Lipid ; Metabolism ; Stress; Binding Protein Gene; Diet-induced Obesity; Acyl-coa Esters; Insulin-resistance; Skeletal-muscle; Adipose-tissue; Acetaminophen Hepatotoxicity; Lipid-metabolism; Stress-response; Murine Liver
Sprache englisch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 1757-4676
e-ISSN 1757-4684
Quellenangaben Band: 8, Heft: 6, Seiten: 654-669 Artikelnummer: , Supplement: ,
Verlag Wiley
Verlagsort Chichester
Begutachtungsstatus Peer reviewed
POF Topic(s) 90000 - German Center for Diabetes Research
Forschungsfeld(er) Helmholtz Diabetes Center
PSP-Element(e) G-501900-251
PubMed ID 27137487
Scopus ID 84964782069
Erfassungsdatum 2016-05-09