Nature Communications (Aug 2022)

Prohormone convertase 1/3 deficiency causes obesity due to impaired proinsulin processing

  • Daniel T. Meier,
  • Leila Rachid,
  • Sophia J. Wiedemann,
  • Shuyang Traub,
  • Kelly Trimigliozzi,
  • Marc Stawiski,
  • Loïc Sauteur,
  • Denise V. Winter,
  • Christelle Le Foll,
  • Catherine Brégère,
  • Raphael Guzman,
  • Alex Odermatt,
  • Marianne Böni-Schnetzler,
  • Marc Y. Donath

DOI
https://doi.org/10.1038/s41467-022-32509-4
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 13

Abstract

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Defective insulin secretion is observed early in the development of diabetes. Here the authors report that β cell-specific deficiency of the insulin prohormone convertase 1/3 (PC1/3) leads not only to hyperglycemia, but also to hyperphagic obesity in mice.