TGFβR-SMAD3 Signaling Induces Resistance to PARP Inhibitors in the Bone Marrow Microenvironment

  • Bac Viet Le
  • , Paulina Podszywalow-Bartnicka
  • , Silvia Maifrede
  • , Katherine Sullivan-Reed
  • , Margaret Nieborowska-Skorska
  • , Konstantin Golovine
  • , Juo Chin Yao
  • , Reza Nejati
  • , Kathy Q. Cai
  • , Lisa Beatrice Caruso
  • , Julian Swatler
  • , Michal Dabrowski
  • , Zhaorui Lian
  • , Peter Valent
  • , Elisabeth M. Paietta
  • , Ross L. Levine
  • , Hugo F. Fernandez
  • , Martin S. Tallman
  • , Mark R. Litzow
  • , Jian Huang
  • Grant A. Challen, Daniel Link, Italo Tempera, Mariusz A. Wasik, Katarzyna Piwocka, Tomasz Skorski

Research output: Contribution to journalArticlepeer-review

Abstract

Le et al. show that the TGF-β1-TGFβR kinase-SMAD3 pathway protects leukemia cells from PARP inhibitor (PARPi)-mediated synthetic lethality in the bone marrow microenvironment. The targeting of the TGF-β1 axis restored the sensitivity of leukemia cells to PARPi and prolonged survival of leukemia-bearing mice.

Original languageEnglish
Article number108221
JournalCell Reports
Volume33
Issue number1
DOIs
StatePublished - Oct 6 2020

Keywords

  • PARP inhibitor resistance
  • TGFβR signaling
  • bone marrow microenvironment

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