Nature Communications (Jun 2019)

SMPDL3b modulates insulin receptor signaling in diabetic kidney disease

  • A. Mitrofanova,
  • S. K. Mallela,
  • G. M. Ducasa,
  • T. H. Yoo,
  • E. Rosenfeld-Gur,
  • I. D. Zelnik,
  • J. Molina,
  • J. Varona Santos,
  • M. Ge,
  • A. Sloan,
  • J. J. Kim,
  • C. Pedigo,
  • J. Bryn,
  • I. Volosenco,
  • C. Faul,
  • Y. H. Zeidan,
  • C. Garcia Hernandez,
  • A. J. Mendez,
  • I. Leibiger,
  • G. W. Burke,
  • A. H. Futerman,
  • L. Barisoni,
  • Y. Ishimoto,
  • R. Inagi,
  • S. Merscher,
  • A. Fornoni

DOI
https://doi.org/10.1038/s41467-019-10584-4
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 16

Abstract

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Sphingomyelin phosphodiesterase acid-like 3b (SMPDL3b) is a lipid raft enzyme known to affect membrane lipid composition. Here, Mitrofanova et al. show that increased expression of SMPDL3b in diabetes impairs insulin signaling and ceramide-1-phosphate (C1P) availability in podocytes, and that C1P supplementation protects mice from diabetic kidney disease.