Resident Memory B Cells

S. Rameeza Allie, Troy D. Randall

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


In mammals, adaptive immunity is mediated by a broadly diverse repertoire of naive B and T lymphocytes that recirculate between secondary lymphoid organs. Initial antigen exposure promotes lymphocyte clonal expansion and differentiation, including the formation of memory cells. Antigen-specific memory cells are maintained at higher frequencies than their naive counterparts and have different functional and homing abilities. Importantly, a subset of memory cells, known as tissue-resident memory cells, is maintained without recirculating in nonlymphoid tissues, often at barrier surfaces, where they can be reactivated by antigen and rapidly perform effector functions that help protect the tissue in which they reside. Although antigen-experienced B cells are abundant at many barrier surfaces, their characterization as tissue-resident memory B (BRM) cells is not well developed. In this study, we describe the characteristics of memory B cells in various locations and discuss their possible contributions to immunity and homeostasis as bona fide BRM cells.

Original languageEnglish (US)
Pages (from-to)282-293
Number of pages12
JournalViral Immunology
Issue number4
StatePublished - 2020

All Science Journal Classification (ASJC) codes

  • Immunology
  • Molecular Medicine
  • Virology


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