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Article Dans Une Revue (Article De Synthèse) Biochimie Année : 2020

Alterations of endogenous sphingolipid metabolism in cardiometabolic diseases: towards novel therapeutic approaches

Résumé

The increasing prevalence of obesity and metabolic diseases is a worldwide public health concern, and the advent of new analytical technologies has made it possible to highlight the involvement of some molecules, such as sphingolipids (SL), in their pathophysiology. SL are constituents of cell membranes, lipoproteins and lipid droplets (LD), and are now considered as bioactive molecules. Indeed, growing evidence suggests that SL, characterized by diverse families and species, could represent one of the main regulators of lipid metabolism. There is an increasing amount of data reporting that plasma SL profile is altered in metabolic diseases. However, less is known about SL metabolism dysfunction in cells and tissues and how it may impact the lipoprotein metabolism, its functionality and composition. In car-diometabolic pathologies, the link between serum SL concentrations and alterations of their metabolism in various organs and LD is still unclear. Pharmacological approaches have been developed in order to activate or inhibit specific key enzymes of the SL metabolism, and to positively modulate SL profile or related metabolic pathways. Nevertheless, little is known about the long-term impact of such approaches in humans and the current literature still focuses on the decomposition of the different parts of this complex system rather than performing an integrated analysis of the whole SL metabolism. In addition, since SL can be provided from exogenous sources, it is also of interest to evaluate their impact on the homeostasis of endogenous SL metabolism, which could be beneficial in prevention or treatment of obesity and related metabolic disorders.
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Dates et versions

hal-02322443 , version 1 (25-11-2020)

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Mélanie Le Barz, Marie Michèle Boulet, Catherine Calzada, David Cheillan, Marie-Caroline Michalski. Alterations of endogenous sphingolipid metabolism in cardiometabolic diseases: towards novel therapeutic approaches. Biochimie, 2020, 169, pp.133-143. ⟨10.1016/j.biochi.2019.10.003⟩. ⟨hal-02322443⟩
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