Communications Biology (Jul 2022)

NUPR1 protects against hyperPARylation-dependent cell death

  • Patricia Santofimia-Castaño,
  • Can Huang,
  • Xi Liu,
  • Yi Xia,
  • Stephane Audebert,
  • Luc Camoin,
  • Ling Peng,
  • Gwen Lomberk,
  • Raul Urrutia,
  • Philippe Soubeyran,
  • Jose Luis Neira,
  • Juan Iovanna

DOI
https://doi.org/10.1038/s42003-022-03705-1
Journal volume & issue
Vol. 5, no. 1
pp. 1 – 12

Abstract

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NUPR1 binds to PARP1 and inhibits PARP1 activity in pancreatic cancer cells, with the NUPR1 inhibitor ZZW-115 abolishing the protective effect of NUPR1, inducing strong hyperPARylation and cell death by mitochondrial dysfunction.