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Journal Articles International Journal of Molecular Sciences Year : 2023

Circulating Sphingolipids and Glucose Homeostasis: An Update


Sphingolipids are a family of lipid molecules produced through different pathways in mammals. Sphingolipids are structural components of membranes, but in response to obesity, they are implicated in the regulation of various cellular processes, including inflammation, apoptosis, cell proliferation, autophagy, and insulin resistance which favors dysregulation of glucose metabolism. Of all sphingolipids, two species, ceramides and sphingosine-1-phosphate (S1P), are also found abundantly secreted into the bloodstream and associated with lipoproteins or extracellular vesicles. Plasma concentrations of these sphingolipids can be altered upon metabolic disorders and could serve as predictive biomarkers of these diseases. Recent important advances suggest that circulating sphingolipids not only serve as biomarkers but could also serve as mediators in the dysregulation of glucose homeostasis. In this review, advances of molecular mechanisms involved in the regulation of ceramides and S1P association to lipoproteins or extracellular vesicles and how they could alter glucose metabolism are discussed.
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hal-04191064 , version 1 (10-10-2023)


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Sarah Ali-Berrada, Jeanne Guitton, Sophie Tan-Chen, Anna Gyulkhandanyan, Eric Hajduch, et al.. Circulating Sphingolipids and Glucose Homeostasis: An Update. International Journal of Molecular Sciences, 2023, 24 (16), pp.12720. ⟨10.3390/ijms241612720⟩. ⟨hal-04191064⟩
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