Serine palmitoyltransferase-mediated de novo sphingolipid biosynthesis is required for normal insulin production and glucose tolerance
Chloé Amouyal, Shiou Ping Chen, Jessica Denom, Ilyès Raho, Nadim Kassis, Marc Diedisheim, F. Mifsud, Justine Lallement, Eleni Georgiadou, Mark R. Ibberson, Mikaël Croyal, Xian C Jiang, Céline Cruciani‐Guglielmacci, Hervé Le Stunff, Guy A. Rutter, Chr̀istophe Magnan
This study shows that de novo ceramide synthesis in beta-cells is essential for normal insulin production and glucose tolerance, as its inhibition leads to reduced beta-cell mass and impaired glucose regulation.
bioRxiv · May 14, 2025 · PreprintPhysiology