In this article for the Highlights of 2023 Series, we discuss four recent articles that investigated thymic B cells, in both mice and humans. These studies provide important novel insights into the biology of this unique B-cell population, from their activation and differentiation to their role in promoting the negative selection of thymocytes and the generation of regulatory T cells.
Keywords: Antibody‐secreting cells; T‐cell tolerance; class switch recombination; negative selection; thymic B cells.
© 2024 the Australian and New Zealand Society for Immunology, Inc.