Nature Communications (Aug 2016)

Glycosylation and stabilization of programmed death ligand-1 suppresses T-cell activity

  • Chia-Wei Li,
  • Seung-Oe Lim,
  • Weiya Xia,
  • Heng-Huan Lee,
  • Li-Chuan Chan,
  • Chu-Wei Kuo,
  • Kay-Hooi Khoo,
  • Shih-Shin Chang,
  • Jong-Ho Cha,
  • Taewan Kim,
  • Jennifer L. Hsu,
  • Yun Wu,
  • Jung-Mao Hsu,
  • Hirohito Yamaguchi,
  • Qingqing Ding,
  • Yan Wang,
  • Jun Yao,
  • Cheng-Chung Lee,
  • Hsing-Ju Wu,
  • Aysegul A. Sahin,
  • James P. Allison,
  • Dihua Yu,
  • Gabriel N. Hortobagyi,
  • Mien-Chie Hung

DOI
https://doi.org/10.1038/ncomms12632
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 11

Abstract

Read online

Programmed Death ligand-1 (PD-L1) protein mediates immune suppression in cancer. Here, the authors show that in breast cancer, PD-L1 expression can be up regulated post-translationally by glycosylation, which in turn acts through inhibiting GSK3β-mediated PD-L1 degradation.