Nature Communications (Jan 2021)

CTLA-4 expression by B-1a B cells is essential for immune tolerance

  • Yang Yang,
  • Xiao Li,
  • Zhihai Ma,
  • Chunlin Wang,
  • Qunying Yang,
  • Miranda Byrne-Steele,
  • Rongjian Hong,
  • Qing Min,
  • Gao Zhou,
  • Yong Cheng,
  • Guang Qin,
  • Justin V. Youngyunpipatkul,
  • James B. Wing,
  • Shimon Sakaguchi,
  • Christian Toonstra,
  • Lai-Xi Wang,
  • Jose G. Vilches-Moure,
  • Denong Wang,
  • Michael P. Snyder,
  • Ji-Yang Wang,
  • Jian Han,
  • Leonore A. Herzenberg

DOI
https://doi.org/10.1038/s41467-020-20874-x
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 17

Abstract

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CTLA-4 is an important co-inhibitory receptor for T cells. Here, the authors show that CTLA-4 also has a function on B-1a cells, as conditional deletion results in activation of these cells and knockout mice develop an autoimmune profile.