Two distinct durable human class-switched memory B cell populations are induced by vaccination and infection

Memory lymphocytes are durable cells that persist in the absence of antigen, but few human B cell subsets have been characterized in terms of durability. The relative durability of eight non-overlapping human B cell sub-populations covering 100% of all human class-switched B cells was interrogated. Only two long-lived B cell populations persisted in the relative absence of antigen. In addition to canonical germinal center-derived switched-memory B cells with an IgD<sup>-</sup>CD27<sup>+</sup>CXCR5<sup>+</sup> phenotype, a second, non-canonical, but distinct memory population of IgD<sup>-</sup>CD27<sup>-</sup>CXCR5<sup>+</sup> DN1 B cells was also durable, exhibited a unique TP63-linked transcriptional and anti-apoptotic signature, had low levels of somatic hypermutation, but was more clonally expanded than canonical switched-memory B cells. DN1 B cells likely evolved to preserve immunological breadth and may represent the human counterparts of rodent extrafollicular memory B cells that, unlike canonical memory B cells, can enter germinal centers and facilitate B cell and antibody evolution.

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Publication Details

Journal
Cell Reports
Published
2025-04-01
DOI
https://doi.org/10.1016/j.celrep.2025.115472
Citations
8
Primary Topic
T-cell and B-cell Immunology
Type
article
Field-Weighted Citation Impact
6.38
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article

Two distinct durable human class-switched memory B cell populations are induced by vaccination and infection

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8 citations
Cell Reports
T-cell and B-cell Immunology
6.38
article

Two distinct durable human class-switched memory B cell populations are induced by vaccination and infection

Gaurav D. Gaiha, Zachary Manickas-Hill, Marcia B. Goldberg, Weiyang Tao, Neha Chaudhary, Richelle C. Charles, Onosereme Ofoman, John Iafrate, Matthew A. Getz, Cory A. Perugino, Jacob E. Lemieux, Duane R. Wesemann, Jared Feldman, Edward Thomas Ryan, Blake M. Hauser, Regina C. LaRocque, Zezhou Zhao, Anusha Nathan, Catherine Jacob-Dolan, Aaaron G Schmidt, Clarety Kaseke, Alejandro B. Balazs, Shiv Pillai, Ann M. Moormann, Cristhian Berrios, Vivek Naranbhai, Rhoda Tano-Menka, Ann Marshak‐Rothstein, Fernando Senjobe, Kerstin Nündel, Hang Liu, Daniel Lingwood, Thomas V. Guy, Zayd Mian, Aridaman Pandit, Jess Marbourg, Anson Hui, Nicole Ingram, Julian Liebaert
article en
8 citations

Abstract

Memory lymphocytes are durable cells that persist in the absence of antigen, but few human B cell subsets have been characterized in terms of durability. The relative durability of eight non-overlapping human B cell sub-populations covering 100% of all human class-switched B cells was interrogated. Only two long-lived B cell populations persisted in the relative absence of antigen. In addition to canonical germinal center-derived switched-memory B cells with an IgD<sup>-</sup>CD27<sup>+</sup>CXCR5<sup>+</sup> phenotype, a second, non-canonical, but distinct memory population of IgD<sup>-</sup>CD27<sup>-</sup>CXCR5<sup>+</sup> DN1 B cells was also durable, exhibited a unique TP63-linked transcriptional and anti-apoptotic signature, had low levels of somatic hypermutation, but was more clonally expanded than canonical switched-memory B cells. DN1 B cells likely evolved to preserve immunological breadth and may represent the human counterparts of rodent extrafollicular memory B cells that, unlike canonical memory B cells, can enter germinal centers and facilitate B cell and antibody evolution.

Cell ReportsVol. 44(4)
Broad Institute (US), Brigham and Women's Hospital (US), University of Massachusetts Chan Medical School (US), Centre for the AIDS Programme of Research in South Africa (ZA), Ragon Institute of MGH, MIT and Harvard (US), AbbVie (United States) (US), Massachusetts General Hospital (US)
Good health and well-being
Openalex Percentile: Top 3%
T-cell and B-cell Immunology
6.38
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