Nature Communications (Aug 2018)

Inhibition of IRE1 RNase activity modulates the tumor cell secretome and enhances response to chemotherapy

  • Susan E. Logue,
  • Eoghan P. McGrath,
  • Patricia Cleary,
  • Stephanie Greene,
  • Katarzyna Mnich,
  • Aitor Almanza,
  • Eric Chevet,
  • Róisín M. Dwyer,
  • Anup Oommen,
  • Patrick Legembre,
  • Florence Godey,
  • Emma C. Madden,
  • Brian Leuzzi,
  • Joanna Obacz,
  • Qingping Zeng,
  • John B. Patterson,
  • Richard Jäger,
  • Adrienne M. Gorman,
  • Afshin Samali

DOI
https://doi.org/10.1038/s41467-018-05763-8
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 14

Abstract

Read online

IRE1/XBP-1 activation has a major role in Triple negative breast cancer (TNBC). Here, the authors show that inhibition of IRE1’s RNase activity attenuates autocrine and paracrine signaling of pro-tumorigenic cytokines and synergizes with paclitaxel to confer potent anti-tumor effects in TNBC.