Nature Communications (Sep 2021)

SMARCA4/2 loss inhibits chemotherapy-induced apoptosis by restricting IP3R3-mediated Ca2+ flux to mitochondria

  • Yibo Xue,
  • Jordan L. Morris,
  • Kangning Yang,
  • Zheng Fu,
  • Xianbing Zhu,
  • Fraser Johnson,
  • Brian Meehan,
  • Leora Witkowski,
  • Amber Yasmeen,
  • Tunde Golenar,
  • Mackenzie Coatham,
  • Geneviève Morin,
  • Anie Monast,
  • Virginie Pilon,
  • Pierre Olivier Fiset,
  • Sungmi Jung,
  • Anne V. Gonzalez,
  • Sophie Camilleri-Broet,
  • Lili Fu,
  • Lynne-Marie Postovit,
  • Jonathan Spicer,
  • Walter H. Gotlieb,
  • Marie-Christine Guiot,
  • Janusz Rak,
  • Morag Park,
  • William Lockwood,
  • William D. Foulkes,
  • Julien Prudent,
  • Sidong Huang

DOI
https://doi.org/10.1038/s41467-021-25260-9
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 17

Abstract

Read online

SMARCA4/2 loss in ovarian and lung cancers is associated with chemotherapy resistance. Here, the authors show that SMARCA4/2 deficiency in cancer cells reduces the expression of the ER-Ca2+ channel IP3R3 and subsequently calcium transfer to the mitochondria, which inhibits apoptotic cell death.