Nature Communications (Dec 2022)

PPM1D suppresses p53-dependent transactivation and cell death by inhibiting the Integrated Stress Response

  • Zdenek Andrysik,
  • Kelly D. Sullivan,
  • Jeffrey S. Kieft,
  • Joaquin M. Espinosa

DOI
https://doi.org/10.1038/s41467-022-35089-5
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 16

Abstract

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The authors describe a functional crosstalk between the p53 network and the integrated stress response through the p53 repressor PPM1D. Inhibition of PPM1D potentiates p53-dependent transactivation and apoptosis via induction of the HRI-eIF2α-ATF4 pathway.