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Rodríguez-Zhurbenko N, Hernández AM. The role of B-1 cells in cancer progression and anti-tumor immunity. Front Immunol 2024; 15:1363176. [PMID: 38629061 PMCID: PMC11019000 DOI: 10.3389/fimmu.2024.1363176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 03/14/2024] [Indexed: 04/19/2024] Open
Abstract
In recent years, in addition to the well-established role of T cells in controlling or promoting tumor growth, a new wave of research has demonstrated the active involvement of B cells in tumor immunity. B-cell subsets with distinct phenotypes and functions play various roles in tumor progression. Plasma cells and activated B cells have been linked to improved clinical outcomes in several types of cancer, whereas regulatory B cells have been associated with disease progression. However, we are only beginning to understand the role of a particular innate subset of B cells, referred to as B-1 cells, in cancer. Here, we summarize the characteristics of B-1 cells and review their ability to infiltrate tumors. We also describe the potential mechanisms through which B-1 cells suppress anti-tumor immune responses and promote tumor progression. Additionally, we highlight recent studies on the protective anti-tumor function of B-1 cells in both mouse models and humans. Understanding the functions of B-1 cells in tumor immunity could pave the way for designing more effective cancer immunotherapies.
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Affiliation(s)
- Nely Rodríguez-Zhurbenko
- Immunobiology Department, Immunology and Immunotherapy Division, Center of Molecular Immunology, Habana, Cuba
| | - Ana M. Hernández
- Applied Genetics Group, Department of Biochemistry, Faculty of Biology, University of Habana, Habana, Cuba
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Bertrand Y, Sánchez-Montalvo A, Hox V, Froidure A, Pilette C. IgA-producing B cells in lung homeostasis and disease. Front Immunol 2023; 14:1117749. [PMID: 36936934 PMCID: PMC10014553 DOI: 10.3389/fimmu.2023.1117749] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/14/2023] [Indexed: 03/05/2023] Open
Abstract
Immunoglobulin A (IgA) is the most abundant Ig in mucosae where it plays key roles in host defense against pathogens and in mucosal immunoregulation. Whereas intense research has established the different roles of secretory IgA in the gut, its function has been much less studied in the lung. This review will first summarize the state-of-the-art knowledge on the distribution and phenotype of IgA+ B cells in the human lung in both homeostasis and disease. Second, it will analyze the studies looking at cellular and molecular mechanisms of homing and priming of IgA+ B cells in the lung, notably following immunization. Lastly, published data on observations related to IgA and IgA+ B cells in lung and airway disease such as asthma, cystic fibrosis, idiopathic pulmonary fibrosis, or chronic rhinosinusitis, will be discussed. Collectively it provides the state-of-the-art of our current understanding of the biology of IgA-producing cells in the airways and identifies gaps that future research should address in order to improve mucosal protection against lung infections and chronic inflammatory diseases.
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Affiliation(s)
- Youri Bertrand
- Centre de Pneumologie, Otorhinolaryngologie (ORL) et Dermatologie, Institut de Recherche Expérimentale et Clinique, Faculté de Pharmacie et des Sciences Biomédicales, Université Catholique de Louvain, Brussels, Belgium
| | - Alba Sánchez-Montalvo
- Centre de Pneumologie, Otorhinolaryngologie (ORL) et Dermatologie, Institut de Recherche Expérimentale et Clinique, Faculté de Pharmacie et des Sciences Biomédicales, Université Catholique de Louvain, Brussels, Belgium
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology and Transplantation, Katholieke universiteit (KU) Leuven, Leuven, Belgium
| | - Valérie Hox
- Centre de Pneumologie, Otorhinolaryngologie (ORL) et Dermatologie, Institut de Recherche Expérimentale et Clinique, Faculté de Pharmacie et des Sciences Biomédicales, Université Catholique de Louvain, Brussels, Belgium
- Department of Otorhinolaryngology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Antoine Froidure
- Centre de Pneumologie, Otorhinolaryngologie (ORL) et Dermatologie, Institut de Recherche Expérimentale et Clinique, Faculté de Pharmacie et des Sciences Biomédicales, Université Catholique de Louvain, Brussels, Belgium
- Service de Pneumologie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Charles Pilette
- Centre de Pneumologie, Otorhinolaryngologie (ORL) et Dermatologie, Institut de Recherche Expérimentale et Clinique, Faculté de Pharmacie et des Sciences Biomédicales, Université Catholique de Louvain, Brussels, Belgium
- Service de Pneumologie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- *Correspondence: Charles Pilette,
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Rodriguez-Zhurbenko N, Quach TD, Rothstein TL, Hernandez AM. Human B-1 cells are important contributors to the naturally-occurring IgM pool against the tumor-associated ganglioside Neu5GcGM3. Front Immunol 2022; 13:1061651. [PMID: 36524112 PMCID: PMC9747505 DOI: 10.3389/fimmu.2022.1061651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/02/2022] [Indexed: 12/02/2022] Open
Abstract
Only few studies have described the anti-tumor properties of natural antibodies (NAbs). In particular, natural IgM have been linked to cancer immunosurveillance due to its preferential binding to tumor-specific glycolipids and carbohydrate structures. Neu5GcGM3 ganglioside is a sialic acid-containing glycosphingolipid that has been considered an attractive target for cancer immunotherapy, since it is not naturally expressed in healthy human tissues and it is overexpressed in several tumors. Screening of immortalized mouse peritoneal-derived hybridomas showed that peritoneal B-1 cells contain anti-Neu5GcGM3 antibodies on its repertoire, establishing a link between B-1 cells, NAbs and anti-tumor immunity. Previously, we described the existence of naturally-occurring anti-Neu5GcGM3 antibodies with anti-tumor properties in healthy young humans. Interestingly, anti-Neu5GcGM3 antibodies level decreases with age and is almost absent in non-small cell lung cancer patients. Although anti-Neu5GcGM3 antibodies may be clinically relevant, the identity of the human B cells participating in this anti-tumor antibody response is unknown. In this work, we found an increased percentage of circulating human B-1 cells in healthy individuals with anti-Neu5GcGM3 IgM antibodies. Furthermore, anti-Neu5GcGM3 IgMs were generated predominantly by human B-1 cells and the antibodies secreted by these B-1 lymphocytes also recognized Neu5GcGM3-positive tumor cells. These data suggest a protective role for human B-1 cells against malignant transformation through the production of NAbs reactive to tumor-specific antigens such as Neu5GcGM3 ganglioside.
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Affiliation(s)
- Nely Rodriguez-Zhurbenko
- Immunology and Immunotherapy Division, Center of Molecular Immunology, Havana, Cuba,*Correspondence: Nely Rodriguez-Zhurbenko,
| | - Tam D. Quach
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Thomas L. Rothstein
- Center for Immunobiology and Department of Investigative Medicine, Western Michigan University Homer Stryker M.D. School of Medicine, Michigan, MI, United States
| | - Ana M. Hernandez
- Biochemistry Department, Faculty of Biology, Havana University, Havana, Cuba
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Cook SL, Sievert EP, Sciammas R. B Cell Intrinsic IRF4 Haploinsufficiency Impairs Affinity Maturation. THE JOURNAL OF IMMUNOLOGY 2021; 207:2992-3003. [PMID: 34759017 DOI: 10.4049/jimmunol.2100747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/29/2021] [Indexed: 11/19/2022]
Abstract
The germinal center (GC) reaction is a coordinated and dynamic ensemble of cells and processes that mediate the maturation and selection of high-affinity GC B cells (GCBs) from lower-affinity precursors and ultimately results in plasma cell and memory cell fates that exit the GC. It is of great interest to identify intrinsic and extrinsic factors that control the selection process. The transcription factor IRF4, induced upon BCR and CD40 signaling, is essential for the acquisition of plasma cell and GCB cell fates. We hypothesized that beyond this early requirement, IRF4 continuously operates at later phases of the B cell response. We show that IRF4 is expressed in GCBs at levels greater than seen in resting cells and plays a role in efficient selection of high-affinity GCBs. Halving Irf4 gene copy number in an Ag-specific murine B cell model, we found that Ag presentation, isotype switching, GC formation and zonation, somatic hypermutation rates, and proliferation were comparable with cells with a full Irf4 allelic complement. In contrast, Irf4 haploinsufficient GCBs exhibited impaired generation of high-affinity cells. Mechanistically, we demonstrate suboptimal Blimp-1 regulation among high-affinity Irf4 haploinsufficient GCBs. Furthermore, in cotransfer settings, we observed a marked disadvantage of Irf4 haploinsufficient cells for GC entry, evidential of ineffective recruitment of T cell help. We propose that, analogous to its role in early GC entry, IRF4 continues to function in the late phase of the Ab response to promote productive T follicular helper cell interactions and to activate optimal Blimp-1 expression during GC selection and affinity maturation.
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Affiliation(s)
- Sarah L Cook
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA
| | - Evelyn P Sievert
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA
| | - Roger Sciammas
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA
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