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Moraru, A.* ; Wiederstein, J.* ; Pfaff, D. ; Fleming, T. ; Miller, A.K.* ; Nawroth, P.P. ; Teleman, A.A.*

Elevated levels of the reactive metabolite methylglyoxal recapitulate progression of type 2 diabetes.

Cell Metab. 27, 926-934.e8 (2018)
Publ. Version/Full Text Research data DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
The molecular causes of type 2 diabetes (T2D) are not well understood. Both type 1 diabetes (T1D) and T2D are characterized by impaired insulin signaling and hyperglycemia. From analogy to T1D, insulin resistance and hyperglycemia are thought to also play causal roles in T2D. Recent clinical studies, however, found that T2D patients treated to maintain glycemia below the diabetes definition threshold (HbA(1c) < 6.5%) still develop diabetic complications. This suggests additional insulin-and glucose-independent mechanisms could be involved in T2D progression and/or initiation. T2D patients have elevated levels of the metabolite methylglyoxal (MG). We show here, using Drosophila glyoxalase 1 knockouts, that animals with elevated methylglyoxal recapitulate several core aspects of T2D: insulin resistance, obesity, and hyperglycemia. Thus elevated MG could constitute one root cause of T2D, suggesting that the molecular causes of elevated MG warrant further study.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Drosophila ; Glo1 ; Methylglyoxal; Dicarbonyl Detoxification; Cardiovascular-disease; Intensive Treatment; Aldose Reductase; Glycemic Control; Protein; Stress; Hyperglycemia; Perspective; Drosophila
ISSN (print) / ISBN 1550-4131
e-ISSN 1932-7420
Journal Cell Metabolism
Quellenangaben Volume: 27, Issue: 4, Pages: 926-934.e8 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Cambridge
Non-patent literature Publications
Reviewing status Peer reviewed