Nature Communications (Jul 2022)

Maladaptive positive feedback production of ChREBPβ underlies glucotoxic β-cell failure

  • Liora S. Katz,
  • Gabriel Brill,
  • Pili Zhang,
  • Anil Kumar,
  • Sharon Baumel-Alterzon,
  • Lee B. Honig,
  • Nicolás Gómez-Banoy,
  • Esra Karakose,
  • Marius Tanase,
  • Ludivine Doridot,
  • Alexandra Alvarsson,
  • Bennett Davenport,
  • Peng Wang,
  • Luca Lambertini,
  • Sarah A. Stanley,
  • Dirk Homann,
  • Andrew F. Stewart,
  • James C. Lo,
  • Mark A. Herman,
  • Adolfo Garcia-Ocaña,
  • Donald K. Scott

DOI
https://doi.org/10.1038/s41467-022-32162-x
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 19

Abstract

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ChREBP is a glucose-responsive transcription factor, which regulates glucose-mediated proliferation and cell death in pancreatic β-cells. Here the authors show that the acute feed forward induction of ChREBPβ is required for adaptive β-cell expansion, that chronic overexpression of ChREBPβ is toxic to β-cells, and offer mitigation strategies