ArticleMolecular and cellular biochemistry2026
Sphingomyelin synthase 2 deficiency suppresses airway mucus accumulation by altering sphingolipid flux and mucin glycosylation.
Article in Molecular and cellular biochemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Sphingomyelin synthase 2 (SMS2) produces sphingomyelin from ceramide. In this study, SMS2 deficiency reduced airway accumulation of glycosylated mucins, such as MUC5AC, in a murine model of asthma, prompting investigation of the molecular mechanisms in mucin-forming epithelial cells. In the cell model, SMS2 silencing promoted the conversion of ceramide to glucosylceramide, a precursor of complex glycosphingolipids. This alteration reduced MUC5AC glycosylation, suggesting the potential for biochemical competition between sphingolipids and MUC5AC for glycosylation. Supplying C
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