Membrane microdomain association of the glycosphingolipids (GSLs) globotriaosylceramide (Gb3Cer) and globotetraosylceramide (Gb4Cer), the highly and less effective receptors, respectively, for Shiga toxins (Stxs), is assumed as a functional requirement for Stx-mediated cytotoxicity. In a previous study, we demonstrated predominant localization
Glycosphingolipids serve as ligands for receptors involved in signal transduction and immune recognition, as exemplified by isoglobotrihexosylceramide, an antigenic ligand for T cell receptors. Mechanistic studies on the regulation of isoglobotrihexosylceramide require biochemical measurement of its lysosomal precursor, isoglobotetraglycosylceramide. It
Journal of virology, 84(22), 11737-11746 (2010-09-10)
Globoside (Gb4Cer), Ku80 autoantigen, and α5β1 integrin have been identified as cell receptors/coreceptors for human parvovirus B19 (B19V), but their role and mechanism of interaction with the virus are largely unknown. In UT7/Epo cells, expression of Gb4Cer and CD49e (integrin
Recognition of macromolecules by glycosphingolipids is closely correlated with the nature of the glycolipid carbohydrate; however, it is also thought to be secondarily modulated by the structure of the single fatty acid. In the present work, we sought insight into
International journal of molecular sciences, 21(10) (2020-05-28)
Glycosphingolipids containing very-long-chain fatty acids (VLCFAs) regulate several immune responses, such as cytokine production, immune signaling, and antibody induction. We previously reported that stimulation with an inflammatory mediator, TNF-α, promotes the expression of glycosphingolipids in vascular endothelial cells. The major
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