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Glycosphingolipids and neuroinflammation in parkinson''s disease

Abstract : Parkinson's disease is a progressive neurodegenerative disease characterized by the loss of dopaminergic neurons of the nigrostriatal pathway and the formation of neuronal inclusions known as Lewy bodies. Chronic neuroinflammation, another hallmark of the disease, is thought to play an important role in the neurodegenerative process. Glycosphingolipids are a well-defined subclass of lipids that regulate crucial aspects of the brain function and recently emerged as potent regulators of the inflammatory process. Deregulation in glycosphingolipid metabolism has been reported in Parkinson’s disease. However, the interrelationship between glycosphingolipids and neuroinflammation in Parkinson’s disease is not well known. This review provides a thorough overview of the links between glycosphingolipid metabolism and immune-mediated mechanisms involved in neuroinflammation in Parkinson’s disease. After a brief presentation of the metabolism and function of glycosphingolipids in the brain, it summarizes the evidences supporting that glycosphingolipids (i.e. glucosylceramides or specific gangliosides) are deregulated in Parkinson’s disease. Then, the implications of these deregulations for neuroinflammation, based on data from human inherited lysosomal glycosphingolipid storage disorders and gene-engineered animal studies are outlined. Finally, the key molecular mechanisms by which glycosphingolipids could control neuroinflammation in Parkinson’s disease are highlighted. These include inflammasome activation and secretion of pro-inflammatory cytokines, altered calcium homeostasis, changes in the blood-brain barrier permeability, recruitment of peripheral immune cells or production of autoantibodies.
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https://hal.univ-lille.fr/hal-03534000
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Soumis le : mercredi 19 janvier 2022 - 10:51:31
Dernière modification le : mercredi 23 mars 2022 - 15:51:30

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Karim-Ali Belarbi, Elodie Cuvelier, Marie-Amandine Bonte, Mazarine Desplanque, Bernard Gressier, et al.. Glycosphingolipids and neuroinflammation in parkinson''s disease. Molecular Neurodegeneration, BioMed Central, 2020, Molecular neurodegeneration, 15, pp.59. ⟨10.1186/s13024-020-00408-1⟩. ⟨hal-03534000⟩

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