Science Magazine | AAAS: Science Advances Follow Ligand-receptor interactions induce and mediate regulatory functions of BATF3+ B cells | Science Advances BATF3+ B cells are induced by specific receptor signals and express the ligand IL-27 and CXCL10 to play diverse regulatory roles. https://www.science.org/doi/10.1126/sciadv.adx9917 science.org