Nature Communications (Jan 2021)

Low-dose decitabine priming endows CAR T cells with enhanced and persistent antitumour potential via epigenetic reprogramming

  • Yao Wang,
  • Chuan Tong,
  • Hanren Dai,
  • Zhiqiang Wu,
  • Xiao Han,
  • Yelei Guo,
  • Deyun Chen,
  • Jianshu Wei,
  • Dongdong Ti,
  • Zongzhi Liu,
  • Qian Mei,
  • Xiang Li,
  • Liang Dong,
  • Jing Nie,
  • Yajing Zhang,
  • Weidong Han

DOI
https://doi.org/10.1038/s41467-020-20696-x
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 18

Abstract

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De novo DNA methylation has been associated with T cell exhaustion in cancer immunotherapy. Here the authors show that the pre-treatment of CD19 CAR-T cells with the DNA methyltransferase inhibitor decitabine limits exhaustion and confers enhanced proliferative, effector and memory properties upon antigen exposure, with improved tumor control.