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Gautheron, J.* ; Vucur, M.* ; Schneider, A.T.* ; Severi, I.* ; Roderburg, C.* ; Roy, S.* ; Bartneck, M.* ; Schrammen, P.* ; Berriel Diaz, M. ; Ehling, J.* ; Gremse, F.* ; Heymann, F.* ; Koppe, C.* ; Lammers, T.* ; Kiessling, F.* ; van Best, N.* ; Pabst, O.* ; Courtois, G.* ; Linkermann, A.* ; Krautwald, S.* ; Neumann, U.P.* ; Tacke, F.* ; Trautwein, C.* ; Green, D.R.* ; Longerich, T.* ; Frey, N.* ; Luedde, M.* ; Blüher, M.* ; Herzig, S. ; Heikenwälder, M.* ; Luedde, T.*

The necroptosis-inducing kinase RIPK3 dampens adipose tissue inflammation and glucose intolerance.

Nat. Commun. 7:11869 (2016)
Publ. Version/Full Text Research data DOI PMC
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Receptor-interacting protein kinase 3 (RIPK3) mediates necroptosis, a form of programmed cell death that promotes inflammation in various pathological conditions, suggesting that it might be a privileged pharmacological target. However, its function in glucose homeostasis and obesity has been unknown. Here we show that RIPK3 is over expressed in the white adipose tissue (WAT) of obese mice fed with a choline-deficient high-fat diet. Genetic inactivation of Ripk3 promotes increased Caspase-8-dependent adipocyte apoptosis and WAT inflammation, associated with impaired insulin signalling in WAT as the basis for glucose intolerance. Similarly to mice, in visceral WAT of obese humans, RIPK3 is overexpressed and correlates with the body mass index and metabolic serum markers. Together, these findings provide evidence that RIPK3 in WAT maintains tissue homeostasis and suppresses inflammation and adipocyte apoptosis, suggesting that systemic targeting of necroptosis might be associated with the risk of promoting insulin resistance in obese patients.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Tumor-necrosis-factor; Mixed Lineage Kinase; High-fat Diet; Insulin-resistance; Nonalcoholic Steatohepatitis; Cell-death; Adipocyte Apoptosis; Obese Mice; Liver; Macrophages
Language english
Publication Year 2016
HGF-reported in Year 2016
ISSN (print) / ISBN 2041-1723
e-ISSN 2041-1723
Journal Nature Communications
Quellenangaben Volume: 7, Issue: , Pages: , Article Number: 11869 Supplement: ,
Publisher Nature Publishing Group
Publishing Place London
Reviewing status Peer reviewed
Institute(s) Institute of Diabetes and Cancer (IDC)
POF-Topic(s) 90000 - German Center for Diabetes Research
Research field(s) Helmholtz Diabetes Center
PSP Element(s) G-501900-253
PubMed ID 27323669
DOI 10.1038/ncomms11869
WOS ID WOS:000379076400001
Erfassungsdatum 2016-06-27
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