Protocol for in vitro induction and characterization of murine B cell-induced CD4+ regulatory T cells

Chien-Hui Chien1, Chieh-Hsin Liao2, Bor-Luen Chiang3

  • 1Department of Medical Research, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu County, Taiwan.

STAR Protocols
|June 14, 2024
PubMed

Peyer's patches, splenic, and peritoneal B cells induce regulatory T (Treg-of-B) cells in vitro without exogenous chemicals and cytokines. Treg-of-B cells exert suppressive function both in vitro and in vivo. Here, we demonstrate experimental procedures for the generation and characterization of Treg-of-B cells. We describe steps for isolating B220+ B cells, isolating CD4+CD25- T cells, inducing Treg-of-B cells, identifying Treg-of-B cells by flow cytometry, cytokine analyzing by ELISA, and functional testing by suppression assay. For complete details on the use and execution of this protocol, please refer to Chien et al.1 and Chu et al.2.

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