Article ; Online: Emerging insights into atypical B cells in pediatric chronic infectious diseases and immune system disorders: T(o)-bet on control of B-cell immune activation.
The Journal of allergy and clinical immunology
2023 Volume 153, Issue 1, Page(s) 12–27
Abstract: Repetitive or persistent cellular stimulation in vivo has been associated with the development of a heterogeneous B-cell population that exhibits a distinctive phenotype and, in addition to classical B-cell markers, often expresses the transcription ... ...
Abstract | Repetitive or persistent cellular stimulation in vivo has been associated with the development of a heterogeneous B-cell population that exhibits a distinctive phenotype and, in addition to classical B-cell markers, often expresses the transcription factor T-bet and myeloid marker CD11c. Research suggests that this atypical population consists of B cells with distinct B-cell receptor specificities capable of binding the antigens responsible for their development. The expansion of this population occurs in the presence of chronic inflammatory conditions and autoimmune diseases where different nomenclatures have been used to describe them. However, as a result of the diverse contexts in which they have been investigated, these cells have remained largely enigmatic, with much ambiguity remaining regarding their phenotype and function in humoral immune response as well as their role in autoimmunity. Atypical B cells have garnered considerable interest because of their ability to produce specific antibodies and/or autoantibodies and because of their association with key disease manifestations. Although they have been widely described in the context of adults, little information is present for children. Therefore, the aim of this narrative review is to describe the characteristics of this population, suggest their function in pediatric immune-related diseases and chronic infections, and explore their potential therapeutic avenues. |
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MeSH term(s) | Adult ; Humans ; Child ; B-Lymphocytes ; Communicable Diseases ; Autoimmune Diseases ; Autoantibodies ; Receptors, Antigen, B-Cell ; Autoimmunity |
Chemical Substances | Autoantibodies ; Receptors, Antigen, B-Cell |
Language | English |
Publishing date | 2023-10-25 |
Publishing country | United States |
Document type | Journal Article ; Review ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 121011-7 |
ISSN | 1097-6825 ; 1085-8725 ; 0091-6749 |
ISSN (online) | 1097-6825 ; 1085-8725 |
ISSN | 0091-6749 |
DOI | 10.1016/j.jaci.2023.10.009 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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