Abstract:
:Plasma metabolite concentrations reflect the activity of tissue metabolic pathways and their quantitative determination may be informative about pathogenic conditions. We searched for plasma lipid species whose concentrations correlate with various parameters of glucose homeostasis and susceptibility to type 2 diabetes (T2D). Shotgun lipidomic analysis of the plasma of mice from different genetic backgrounds, which develop a pre-diabetic state at different rates when metabolically stressed, led to the identification of a group of sphingolipids correlated with glucose tolerance and insulin secretion. Quantitative analysis of these and closely related lipids in the plasma of individuals from two population-based prospective cohorts revealed that specific long-chain fatty-acid-containing dihydroceramides were significantly elevated in the plasma of individuals who will progress to diabetes up to 9 years before disease onset. These lipids may serve as early biomarkers of, and help identify, metabolic deregulation in the pathogenesis of T2D.
journal_name
Cell Repjournal_title
Cell reportsauthors
Wigger L,Cruciani-Guglielmacci C,Nicolas A,Denom J,Fernandez N,Fumeron F,Marques-Vidal P,Ktorza A,Kramer W,Schulte A,Le Stunff H,Liechti R,Xenarios I,Vollenweider P,Waeber G,Uphues I,Roussel R,Magnan C,Ibberson M,Thdoi
10.1016/j.celrep.2017.02.019subject
Has Abstractpub_date
2017-02-28 00:00:00pages
2269-2279issue
9issn
2211-1247pii
S2211-1247(17)30184-5journal_volume
18pub_type
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