ArticleMetabolomics : Official journal of the Metabolomic Society2025
Identification of gangliosides and ceramides as biomarkers for mucopolysaccharidosis type II (hunter syndrome) through untargeted lipidomic analysis.
Article in Metabolomics : Official journal of the Metabolomic Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
introductionMucopolysaccharidosis type II (Hunter syndrome) is an X-linked recessive disorder caused by iduronate-2-sulfatase deficiency, affecting mainly male patients. The lack of its enzyme activity causes the accumulation of the glycosaminoglycans heparan sulfate and dermatan sulfate in all body tissues and leads to a secondary accumulation of gangliosides and ceramides. OBJECTIVE AND
methodsWe conducted a lipidomic study to investigate the dysregulation of lipid pathways in neuronopathic MPS type II. A modified liquid extraction was performed for untargeted lipid analysis. A reverse phase ultraperformance liquid chromatography coupled to quadrupole time-of-flight (UPLC-QTOF) mass spectrometry allowed the identification of upregulated ganglioside and ceramide biomarkers in the plasma and urine of a MPS II patient group compared to a healthy control group.
resultsThe altered pathways, including those related to glycerophospholipid metabolism and fatty acid oxidation, highlight the essential role of lipid metabolism in the progression of the disease.
conclusionThe accumulation of gangliosides and ceramides could be associated with the neuropathology in various lysosomal storage diseases including MPS II.
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