{"title":"B1 Cells for Life.","authors":"Thomas L Rothstein","doi":"10.1111/imr.70160","DOIUrl":null,"url":null,"abstract":"<p><p>B cells are recognized and appreciated as (the only) immune system elements that produce antibodies. However, B cells are not all the same, and subpopulations differ in many respects. A particularly intriguing and consequential B cell subpopulation is designated B1 cells. B1 cells arise early in development, persist in life via self-renewal, and generate so-called \"natural\" antibodies spontaneously and continuously with unique characteristics and targets. The journey of B1 cell discovery began almost half a century ago in mice. Within just the last 15 years, the characteristics of mouse B1 cells were used to identify B1 cells in people. Human B1 cell antibodies provide defense against microbial pathogens and homeostatic control of toxic byproducts and cellular debris. However, B1 cells decline in number and function with advancing age, suggesting this loss may underlie the increased risk of older individuals to infectious disease, as well as several chronic diseases of aging (the Rheostat Hypothesis).</p>","PeriodicalId":178,"journal":{"name":"Immunological Reviews","volume":"341 1","pages":"e70160"},"PeriodicalIF":10.6000,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13500876/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Immunological Reviews","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1111/imr.70160","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"IMMUNOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
B cells are recognized and appreciated as (the only) immune system elements that produce antibodies. However, B cells are not all the same, and subpopulations differ in many respects. A particularly intriguing and consequential B cell subpopulation is designated B1 cells. B1 cells arise early in development, persist in life via self-renewal, and generate so-called "natural" antibodies spontaneously and continuously with unique characteristics and targets. The journey of B1 cell discovery began almost half a century ago in mice. Within just the last 15 years, the characteristics of mouse B1 cells were used to identify B1 cells in people. Human B1 cell antibodies provide defense against microbial pathogens and homeostatic control of toxic byproducts and cellular debris. However, B1 cells decline in number and function with advancing age, suggesting this loss may underlie the increased risk of older individuals to infectious disease, as well as several chronic diseases of aging (the Rheostat Hypothesis).
期刊介绍：
Immunological Reviews is a specialized journal that focuses on various aspects of immunological research. It encompasses a wide range of topics, such as clinical immunology, experimental immunology, and investigations related to allergy and the immune system.
The journal follows a unique approach where each volume is dedicated solely to a specific area of immunological research. However, collectively, these volumes aim to offer an extensive and up-to-date overview of the latest advancements in basic immunology and their practical implications in clinical settings.
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