CeramidesGangliosidesSphingolipidsCeramidasesSphingosine N-AcyltransferaseG(M3) GangliosideG(M1) GangliosideChromatography, Thin LayerGlycosphingolipidsG(M2) GangliosideSphingomyelin PhosphodiesteraseSphingomyelinsSphingosineCarbohydrate SequenceSialic AcidsCerebrosidesNeuraminic AcidsNeuraminidaseGlucosylceramidesGlycolipidsSialyltransferasesFumonisinsN-Acetylneuraminic AcidSulfoglycosphingolipidsN-AcetylgalactosaminyltransferasesSpectrometry, Mass, Fast Atom BombardmentCarbohydrate ConformationBrain ChemistryGlobosidesGlucosyltransferasesAcid CeramidaseGuillain-Barre SyndromeApoptosisGalactosylgalactosylglucosylceramidaseCarbohydratesCells, CulturedCell LineMembrane MicrodomainsMass Spectrometry