Nature Communications (Nov 2021)

Insulin-activated store-operated Ca2+ entry via Orai1 induces podocyte actin remodeling and causes proteinuria

  • Ji-Hee Kim,
  • Kyu-Hee Hwang,
  • Bao T. N. Dang,
  • Minseob Eom,
  • In Deok Kong,
  • Yousang Gwack,
  • Seyoung Yu,
  • Heon Yung Gee,
  • Lutz Birnbaumer,
  • Kyu-Sang Park,
  • Seung-Kuy Cha

DOI
https://doi.org/10.1038/s41467-021-26900-w
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 13

Abstract

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Perturbations of Ca2+ signaling in podocytes may deteriorate kidney function and eventually lead to proteinuria. Here the authors show that insulin can affect the function of the calcium regulator Ora1 in podocytes, which is critical for maintaining kidney filter integrity.