Journal de l'obésité et du métabolisme

Abstrait

Reduced Metabolism of Sphingolipids

Rais Ansari

Gestational diabetes (GDM) is that the high risk issue for future kind two polygenic disorder (T2D) development. Quality deeply influences United Nations agency can transition from GDM to T2D, with high risk ascertained in Hispanic ladies. To raised perceive this risk, a nested 1:1 pair-matched, Hispanic-specific; case-control style was applied to a prospective cohort with GDM history. Ladies United Nations agency was non-diabetic 6–9 weeks postnatal (baseline) were monitored for the event of T2D. Metabolomics were performed on baseline plasma to spot metabolic pathways related to T2D risk. Notably, diminished sphingolipid metabolism was extremely related to future T2D. Defects in sphingolipid metabolism were any concerned by integration metabolomics and genome-wide association knowledge, that known 2 considerably enriched T2D-linked genes, CERS2 and CERS4. Follow-up experiments in mice and cells incontestible that inhibiting sphingolipid metabolism impaired exocrine gland exocrine gland cell perform. This knowledge recommends early postnatal alterations in sphingolipid synthesis contribute to β cell pathology and T2D risk.