B-cells that have a role in regulating the immune response including the production of CYTOKINES. This function is in addition to their traditional role in making antibodies.

Synonyms: Cells, Breg, Regulatory B-Lymphocytes, Cells, Regulatory B, B-Cell, Regulatory, Regulatory B-Lymphocyte, Regulatory B-Cell, B Cells, Regulatory, B-Lymphocyte, Regulatory, Cell, Regulatory B, B Cell, Regulatory, Regulatory B-Cells, B-Cells, Regulatory, Regulatory B Cell, B Lymphocytes, Regulatory, Regulatory B Cells, Breg Cell, Breg Cells, Cell, Breg, B-Lymphocytes, Regulatory