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Gonçalves IV, Pinheiro-Rosa N, Torres L, Oliveira MDA, Rapozo Guimarães G, Leite CDS, Ortega JM, Lopes MTP, Faria AMC, Martins MLB, Felicori LF. Dynamic changes in B cell subpopulations in response to triple-negative breast cancer development. Sci Rep 2024; 14:11576. [PMID: 38773133 PMCID: PMC11109097 DOI: 10.1038/s41598-024-60243-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 04/19/2024] [Indexed: 05/23/2024] Open
Abstract
Despite presenting a worse prognosis and being associated with highly aggressive tumors, triple-negative breast cancer (TNBC) is characterized by the higher frequency of tumor-infiltrating lymphocytes, which have been implicated in better overall survival and response to therapy. Though recent studies have reported the capacity of B lymphocytes to recognize overly-expressed normal proteins, and tumor-associated antigens, how tumor development potentially modifies B cell response is yet to be elucidated. Our findings reveal distinct effects of 4T1 and E0771 murine tumor development on B cells in secondary lymphoid organs. Notably, we observe a significant expansion of total B cells and plasma cells in the tumor-draining lymph nodes (tDLNs) as early as 7 days after tumor challenge in both murine models, whereas changes in the spleen are less pronounced. Surprisingly, within the tumor microenvironment (TME) of both models, we detect distinct B cell subpopulations, but tumor development does not appear to cause major alterations in their frequency over time. Furthermore, our investigation into B cell regulatory phenotypes highlights that the B10 Breg phenotype remains unaffected in the evaluated tissues. Most importantly, we identified an increase in CD19 + LAG-3 + cells in tDLNs of both murine models. Interestingly, although CD19 + LAG-3 + cells represent a minor subset of total B cells (< 3%) in all evaluated tissues, most of these cells exhibit elevated expression of IgD, suggesting that LAG-3 may serve as an activation marker for B cells. Corroborating with these findings, we detected distinct cell cycle and proliferation genes alongside LAG-3 analyzing scRNA-Seq data from a cohort of TNBC patients. More importantly, our study suggests that the presence of LAG-3 B cells in breast tumors could be associated with a good prognosis, as patients with higher levels of LAG-3 B cell transcripts had a longer progression-free interval (PFI). This novel insight could pave the way for targeted therapies that harness the unique properties of LAG-3 + B cells, potentially offering new avenues for improving patient outcomes in TNBC. Further research is warranted to unravel the mechanistic pathways of these cells and to validate their prognostic value in larger, diverse patient cohorts.
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Affiliation(s)
- Igor Visconte Gonçalves
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Natália Pinheiro-Rosa
- NYU Grossman School of Medicine, NYU Langone Health, New York University, 550 1st Ave, New York, NY, 10016, USA
| | - Lícia Torres
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Mariana de Almeida Oliveira
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Gabriela Rapozo Guimarães
- Instituto Nacional de Câncer, Ministério da Saúde, Coordenação de Pesquisa, Laboratório de Bioinformática e Biologia Computacional - Rua André Cavalcanti, 37, 1 Andar, Centro, Rio de Janeiro, RJ, 20231050, Brasil
| | - Christiana da Silva Leite
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - José Miguel Ortega
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Miriam Teresa Paz Lopes
- Department of Pharmacology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Ana Maria Caetano Faria
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Mariana Lima Boroni Martins
- Instituto Nacional de Câncer, Ministério da Saúde, Coordenação de Pesquisa, Laboratório de Bioinformática e Biologia Computacional - Rua André Cavalcanti, 37, 1 Andar, Centro, Rio de Janeiro, RJ, 20231050, Brasil
| | - Liza Figueiredo Felicori
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
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Xiao T, Lee J, Gauntner TD, Velegraki M, Lathia JD, Li Z. Hallmarks of sex bias in immuno-oncology: mechanisms and therapeutic implications. Nat Rev Cancer 2024; 24:338-355. [PMID: 38589557 DOI: 10.1038/s41568-024-00680-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 04/10/2024]
Abstract
Sex differences are present across multiple non-reproductive organ cancers, with male individuals generally experiencing higher incidence of cancer with poorer outcomes. Although some mechanisms underlying these differences are emerging, the immunological basis is not well understood. Observations from clinical trials also suggest a sex bias in conventional immunotherapies with male individuals experiencing a more favourable response and female individuals experiencing more severe adverse events to immune checkpoint blockade. In this Perspective article, we summarize the major biological hallmarks underlying sex bias in immuno-oncology. We focus on signalling from sex hormones and chromosome-encoded gene products, along with sex hormone-independent and chromosome-independent epigenetic mechanisms in tumour and immune cells such as myeloid cells and T cells. Finally, we highlight opportunities for future studies on sex differences that integrate sex hormones and chromosomes and other emerging cancer hallmarks such as ageing and the microbiome to provide a more comprehensive view of how sex differences underlie the response in cancer that can be leveraged for more effective immuno-oncology approaches.
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Affiliation(s)
- Tong Xiao
- Pelotonia Institute for Immuno-Oncology, The Ohio State University Comprehensive Cancer Center-The James, Columbus, OH, USA
| | - Juyeun Lee
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Timothy D Gauntner
- Pelotonia Institute for Immuno-Oncology, The Ohio State University Comprehensive Cancer Center-The James, Columbus, OH, USA
| | - Maria Velegraki
- Pelotonia Institute for Immuno-Oncology, The Ohio State University Comprehensive Cancer Center-The James, Columbus, OH, USA
| | - Justin D Lathia
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.
- Case Comprehensive Cancer Center, Cleveland, OH, USA.
- Rose Ella Burkhardt Brain Tumour Center, Cleveland Clinic, Cleveland, OH, USA.
| | - Zihai Li
- Pelotonia Institute for Immuno-Oncology, The Ohio State University Comprehensive Cancer Center-The James, Columbus, OH, USA.
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van Outersterp I, Boer JM, van de Ven C, Reichert CEJ, Boeree A, Kruisinga B, de Groot-Kruseman HA, Escherich G, Sijs-Szabo A, Rijneveld AW, den Boer ML. Tyrosine kinase inhibitor resistance in de novo BCR::ABL1-positive BCP-ALL beyond kinase domain mutations. Blood Adv 2024; 8:1835-1845. [PMID: 38386975 PMCID: PMC11007435 DOI: 10.1182/bloodadvances.2023012162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/24/2024] Open
Abstract
ABSTRACT A better understanding of ABL1 kinase domain mutation-independent causes of tyrosine kinase inhibitor (TKI) resistance is needed for BCR::ABL1-positive B-cell precursor acute lymphoblastic leukemia (BCP-ALL). Although TKIs have dramatically improved outcomes, a subset of patients still experiences relapsed or refractory disease. We aimed to identify potential biomarkers of intrinsic TKI resistance at diagnosis in samples from 32 pediatric and 19 adult patients with BCR::ABL1-positive BCP-ALL. Reduced ex vivo imatinib sensitivity was observed in cells derived from newly diagnosed patients who relapsed after combined TKI and chemotherapy treatment compared with cells derived from patients who remained in continuous complete remission. We observed that ex vivo imatinib resistance was inversely correlated with the amount of (phosphorylated) BCR::ABL1/ABL1 protein present in samples that were taken at diagnosis without prior TKI exposure. This suggests an intrinsic cause of TKI resistance that is independent of functional BCR::ABL1 signaling. Simultaneous deletions of IKZF1 and CDKN2A/B and/or PAX5 (IKZF1plus), as well as deletions of PAX5 alone, were related to ex vivo imatinib resistance. In addition, somatic lesions involving ZEB2, SETD2, SH2B3, and CRLF2 were associated with reduced ex vivo imatinib sensitivity. Our data suggest that the poor prognostic value of IKZF1(plus) deletions is linked to intrinsic mechanisms of TKI resistance other than ABL1 kinase domain mutations in newly diagnosed pediatric and adult BCR::ABL1-positive BCP-ALL.
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Affiliation(s)
| | - Judith M. Boer
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Cesca van de Ven
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | | | - Aurelie Boeree
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Brian Kruisinga
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | | | - Gabriele Escherich
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg Eppendorf, Hamburg, Germany
| | - Aniko Sijs-Szabo
- Department of Hematology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Anita W. Rijneveld
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Monique L. den Boer
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
- Department of Pediatric Oncology and Hematology, Erasmus MC - Sophia Children's Hospital, Rotterdam, The Netherlands
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El Mahdaoui S, Hansen MM, von Essen MR, Hvalkof VH, Holm Hansen R, Mahler MR, Jennum P, Sellebjerg F, Romme Christensen J. CD11c + B cells in relapsing-remitting multiple sclerosis and effects of anti-CD20 therapy. Ann Clin Transl Neurol 2024; 11:926-937. [PMID: 38332555 PMCID: PMC11021659 DOI: 10.1002/acn3.52009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/10/2024] [Accepted: 01/12/2024] [Indexed: 02/10/2024] Open
Abstract
OBJECTIVES B cells are important in the pathogenesis of multiple sclerosis. It is yet unknown which subsets may be involved, but atypical B cells have been proposed as mediators of autoimmunity. In this study, we investigated differences in B-cell subsets between controls and patients with untreated and anti-CD20-treated multiple sclerosis. METHODS We recruited 155 participants for an exploratory cohort comprising peripheral blood and cerebrospinal fluid, and a validation cohort comprising peripheral blood. Flow cytometry was used to characterize B-cell phenotypes and effector functions of CD11c+ atypical B cells. RESULTS There were no differences in circulating B cells between controls and untreated multiple sclerosis. As expected, anti-CD20-treated patients had a markedly lower B-cell count. Of B cells remaining after treatment, we observed higher proportions of CD11c+ B cells and plasmablasts. CD11c+ B cells were expanded in cerebrospinal fluid compared to peripheral blood in controls and untreated multiple sclerosis. Surprisingly, the proportion of CD11c+ cerebrospinal fluid B cells was higher in controls and after anti-CD20 therapy than in untreated multiple sclerosis. Apart from the presence of plasmablasts, the cerebrospinal fluid B-cell composition after anti-CD20 therapy resembled that of controls. CD11c+ B cells demonstrated a high potential for both proinflammatory and regulatory cytokine production. INTERPRETATION The study demonstrates that CD11c+ B cells and plasmablasts are less efficiently depleted by anti-CD20 therapy, and that CD11c+ B cells comprise a phenotypically and functionally distinct, albeit heterogenous, B-cell subset with the capacity of exerting both proinflammatory and regulatory functions.
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Affiliation(s)
- Sahla El Mahdaoui
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
| | - Marie Mathilde Hansen
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
| | - Marina Rode von Essen
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
| | - Victoria Hyslop Hvalkof
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
| | - Rikke Holm Hansen
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
| | - Mie Reith Mahler
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
| | - Poul Jennum
- Department of NeurologyDanish Center for Sleep Medicine, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
- Department of Clinical MedicineUniversity of CopenhagenCopenhagen2200Denmark
| | - Finn Sellebjerg
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
- Department of Clinical MedicineUniversity of CopenhagenCopenhagen2200Denmark
| | - Jeppe Romme Christensen
- Department of NeurologyDanish Multiple Sclerosis Center, Copenhagen University Hospital – RigshospitaletGlostrup2600Denmark
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5
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Cevirgel A, Vos M, Holtrop AF, Beckers L, Reukers DFM, Meijer A, Rots N, van Beek J, van Baarle D, de Wit J. Delineating immune variation between adult and children COVID-19 cases and associations with disease severity. Sci Rep 2024; 14:5090. [PMID: 38429462 PMCID: PMC10907598 DOI: 10.1038/s41598-024-55148-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/20/2024] [Indexed: 03/03/2024] Open
Abstract
The SARS-CoV-2 pandemic has emphasized the need to explore how variations in the immune system relate to the severity of the disease. This study aimed to explore inter-individual variation in response to SARS-CoV-2 infection by comparing T cell, B cell, and innate cell immune subsets among primary infected children and adults (i.e., those who had never experienced SARS-CoV-2 infection nor received vaccination previously), with varying disease severity after infection. We also examined immune subset kinetics in convalescent individuals compared to those with persistent infection to identify possible markers of immune dysfunction. Distinct immune subset differences were observed between infected adults and children, as well as among adult cases with mild, moderate, and severe disease. IgM memory B cells were absent in moderate and severe cases whereas frequencies of B cells with a lack of surface immunoglobulin expression were significantly higher in severe cases. Interestingly, these immune subsets remained stable during recovery implying that these subsets could be associated with underlying baseline immune variation. Our results offer insights into the potential immune markers associated with severe COVID-19 and provide a foundation for future research in this area.
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Affiliation(s)
- Alper Cevirgel
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Martijn Vos
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Anne Floor Holtrop
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Lisa Beckers
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Daphne F M Reukers
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Adam Meijer
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Nynke Rots
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Josine van Beek
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Debbie van Baarle
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
- Department of Medical Microbiology and Infection Prevention, Virology and Immunology Research Group, University Medical Center Groningen, Groningen, The Netherlands
| | - Jelle de Wit
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands.
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6
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Koenig JFE, Knudsen NPH, Phelps A, Bruton K, Hoof I, Lund G, Libera DD, Lund A, Christensen LH, Glass DR, Walker TD, Fang A, Waserman S, Jordana M, Andersen PS. Type 2-polarized memory B cells hold allergen-specific IgE memory. Sci Transl Med 2024; 16:eadi0944. [PMID: 38324637 DOI: 10.1126/scitranslmed.adi0944] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 12/18/2023] [Indexed: 02/09/2024]
Abstract
Allergen-specific immunoglobulin E (IgE) antibodies mediate pathology in diseases such as allergic rhinitis and food allergy. Memory B cells (MBCs) contribute to circulating IgE by regenerating IgE-producing plasma cells upon allergen encounter. Here, we report a population of type 2-polarized MBCs defined as CD23hi, IL-4Rαhi, and CD32low at both the transcriptional and surface protein levels. These MBC2s are enriched in IgG1- and IgG4-expressing cells while constitutively expressing germline transcripts for IgE. Allergen-specific B cells from patients with allergic rhinitis and food allergy were enriched in MBC2s. Furthermore, MBC2s generated allergen-specific IgE during sublingual immunotherapy, thereby identifying these cells as a major reservoir for IgE. The identification of MBC2s provides insights into the maintenance of IgE memory, which is detrimental in allergic diseases but could be beneficial in protection against venoms and helminths.
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Affiliation(s)
- Joshua F E Koenig
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | | | - Allyssa Phelps
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Kelly Bruton
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Ilka Hoof
- ALK-Abelló A/S, 2970 Hørsholm, Denmark
| | | | - Danielle Della Libera
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | | | | | - David R Glass
- Vaccine and Infectious Diseases Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - Tina D Walker
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Allison Fang
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Susan Waserman
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Manel Jordana
- Schroeder Allergy and Immunology Research Institute, Faculty of Health Sciences, McMaster University, Hamilton, ON L8S 4L8, Canada
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7
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Dou DR, Zhao Y, Belk JA, Zhao Y, Casey KM, Chen DC, Li R, Yu B, Srinivasan S, Abe BT, Kraft K, Hellström C, Sjöberg R, Chang S, Feng A, Goldman DW, Shah AA, Petri M, Chung LS, Fiorentino DF, Lundberg EK, Wutz A, Utz PJ, Chang HY. Xist ribonucleoproteins promote female sex-biased autoimmunity. Cell 2024; 187:733-749.e16. [PMID: 38306984 PMCID: PMC10949934 DOI: 10.1016/j.cell.2023.12.037] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 10/03/2023] [Accepted: 12/31/2023] [Indexed: 02/04/2024]
Abstract
Autoimmune diseases disproportionately affect females more than males. The XX sex chromosome complement is strongly associated with susceptibility to autoimmunity. Xist long non-coding RNA (lncRNA) is expressed only in females to randomly inactivate one of the two X chromosomes to achieve gene dosage compensation. Here, we show that the Xist ribonucleoprotein (RNP) complex comprising numerous autoantigenic components is an important driver of sex-biased autoimmunity. Inducible transgenic expression of a non-silencing form of Xist in male mice introduced Xist RNP complexes and sufficed to produce autoantibodies. Male SJL/J mice expressing transgenic Xist developed more severe multi-organ pathology in a pristane-induced lupus model than wild-type males. Xist expression in males reprogrammed T and B cell populations and chromatin states to more resemble wild-type females. Human patients with autoimmune diseases displayed significant autoantibodies to multiple components of XIST RNP. Thus, a sex-specific lncRNA scaffolds ubiquitous RNP components to drive sex-biased immunity.
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Affiliation(s)
- Diana R Dou
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Yanding Zhao
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Julia A Belk
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Yang Zhao
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Kerriann M Casey
- Department of Comparative Medicine, Stanford University, Stanford, CA, USA
| | - Derek C Chen
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Rui Li
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Bingfei Yu
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Suhas Srinivasan
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Brian T Abe
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Katerina Kraft
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Ceke Hellström
- Autoimmunity and Serology Profiling, Division of Affinity Proteomics, Department of Protein Science, KTH Royal Institute of Technology, SciLifeLab, Stockholm, Sweden
| | - Ronald Sjöberg
- Autoimmunity and Serology Profiling, Division of Affinity Proteomics, Department of Protein Science, KTH Royal Institute of Technology, SciLifeLab, Stockholm, Sweden
| | - Sarah Chang
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Allan Feng
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Daniel W Goldman
- Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ami A Shah
- Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Michelle Petri
- Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Lorinda S Chung
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA
| | - David F Fiorentino
- Department of Dermatology, Stanford University School of Medicine, Redwood City, CA, USA
| | - Emma K Lundberg
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SciLifeLab, Stockholm, Sweden; Departments of Bioengineering and Pathology, Stanford University, Stanford, CA, USA
| | - Anton Wutz
- Department of Biology, Institute of Molecular Health Sciences, Swiss Federal Institute of Technology, ETH Hönggerberg, Zurich, Switzerland
| | - Paul J Utz
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA; Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA, USA
| | - Howard Y Chang
- Center for Personal Dynamic Regulomes, Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA.
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8
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Maxwell M, Söderlund R, Härtle S, Wattrang E. Single-cell RNA-seq mapping of chicken peripheral blood leukocytes. BMC Genomics 2024; 25:124. [PMID: 38287279 PMCID: PMC10826067 DOI: 10.1186/s12864-024-10044-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/23/2024] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND Single-cell transcriptomics provides means to study cell populations at the level of individual cells. In leukocyte biology this approach could potentially aid the identification of subpopulations and functions without the need to develop species-specific reagents. The present study aimed to evaluate single-cell RNA-seq as a tool for identification of chicken peripheral blood leukocytes. For this purpose, purified and thrombocyte depleted leukocytes from 4 clinically healthy hens were subjected to single-cell 3' RNA-seq. Bioinformatic analysis of data comprised unsupervised clustering of the cells, and annotation of clusters based on expression profiles. Immunofluorescence phenotyping of the cell preparations used was also performed. RESULTS Computational analysis identified 31 initial cell clusters and based on expression of defined marker genes 28 cluster were identified as comprising mainly B-cells, T-cells, monocytes, thrombocytes and red blood cells. Of the remaining clusters, two were putatively identified as basophils and eosinophils, and one as proliferating cells of mixed origin. In depth analysis on gene expression profiles within and between the initial cell clusters allowed further identification of cell identity and possible functions for some of them. For example, analysis of the group of monocyte clusters revealed subclusters comprising heterophils, as well as putative monocyte subtypes. Also, novel aspects of TCRγ/δ + T-cell subpopulations could be inferred such as evidence of at least two subtypes based on e.g., different expression of transcription factors MAF, SOX13 and GATA3. Moreover, a novel subpopulation of chicken peripheral B-cells with high SOX5 expression was identified. An overall good correlation between mRNA and cell surface phenotypic cell identification was shown. CONCLUSIONS Taken together, we were able to identify and infer functional aspects of both previously well known as well as novel chicken leukocyte populations although some cell types. e.g., T-cell subtypes, proved more challenging to decipher. Although this methodology to some extent is limited by incomplete annotation of the chicken genome, it definitively has benefits in chicken immunology by expanding the options to distinguish identity and functions of immune cells also without access to species specific reagents.
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Affiliation(s)
- Matilda Maxwell
- Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden
- Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden
| | - Robert Söderlund
- Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden
| | - Sonja Härtle
- Department for Veterinary Sciences, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Eva Wattrang
- Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden.
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Pattarabanjird T, Srikakulapu P, Ransegnola B, Marshall MA, Ghosheh Y, Gulati R, Durant C, Drago F, Taylor AM, Ley K, McNamara CA. Single-cell profiling of CD11c+ B cells in atherosclerosis. Front Immunol 2024; 14:1296668. [PMID: 38259450 PMCID: PMC10800418 DOI: 10.3389/fimmu.2023.1296668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 12/06/2023] [Indexed: 01/24/2024] Open
Abstract
Circulating CD11c+ B cells, a novel subset of activated B cells, have been linked to autoimmunity and shown to expand with age. Atherosclerosis is an age-associated disease that involves innate and adaptive immune responses to modified self-antigens. Yet, the expression of CD11c on specific B-cell subtypes and its link to atherosclerosis are poorly understood. In this study, we characterized the frequency of CD11c+ B cells in tissues in mice with aging. We observed an age-associated increase in CD11c+ B cells in the spleen and bone marrow of ApoE-/- mice, and this was associated with an increase in aortic plaque. In addition, we also utilized single-cell multi-omics profiling of 60 human subjects undergoing advanced imaging for coronary artery disease (CAD) to subtype CD11c+ B cells and determine their frequency in subjects with high and low severity of CAD. Using unsupervised clustering, we identified four distinct clusters of CD11c+ B cells, which include CD27 and IgD double negative 2 (DN2), age-associated (ABC), CD11c+ unswitched memory (USWM), and activated Naïve (aNav) B cells. We observed an increase in the frequency of both ABC B cells and DN2 B cells in patients with high CAD severity. Pathway analysis further demonstrated augmentation of autophagy, IFNg signaling, and TLR signaling in DN2 cells in high-severity CAD patients. On the other hand, an increase in the negative regulator of BCR signaling through CD72 was found in ABC cells in low-severity CAD patients. Through investigating scRNAseq of atheroma, these DN2 cells were also found to infiltrate human coronary atheroma.
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Affiliation(s)
- Tanyaporn Pattarabanjird
- Carter Immunology Center, University of Virginia, Charlottesville, VA, United States
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, United States
- Division of Cardiovascular Medicine/Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Prasad Srikakulapu
- Carter Immunology Center, University of Virginia, Charlottesville, VA, United States
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
| | - Brett Ransegnola
- Carter Immunology Center, University of Virginia, Charlottesville, VA, United States
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
- Division of Cardiovascular Medicine/Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Melissa A. Marshall
- Carter Immunology Center, University of Virginia, Charlottesville, VA, United States
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
| | - Yanal Ghosheh
- La Jolla Institute for Immunology, La Jolla, CA, United States
| | - Rishab Gulati
- La Jolla Institute for Immunology, La Jolla, CA, United States
| | | | - Fabrizio Drago
- Carter Immunology Center, University of Virginia, Charlottesville, VA, United States
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
| | - Angela M. Taylor
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
- Division of Cardiovascular Medicine/Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Klaus Ley
- Immunology Center of Georgia, Augusta University, Augusta, GA, United States
| | - Coleen A. McNamara
- Carter Immunology Center, University of Virginia, Charlottesville, VA, United States
- Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
- Division of Cardiovascular Medicine/Department of Medicine, University of Virginia, Charlottesville, VA, United States
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10
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Abstract
Recent advances in studies of immune memory in mice and humans have reinforced the concept that memory B cells play a critical role in protection against repeated infections, particularly from variant viruses. Hence, insights into the development of high-quality memory B cells that can generate broadly neutralizing antibodies that bind such variants are key for successful vaccine development. Here, we review the cellular and molecular mechanisms by which memory B cells are generated and how these processes shape the antibody diversity and breadth of memory B cells. Then, we discuss the mechanisms of memory B cell reactivation in the context of established immune memory; the contribution of antibody feedback to this process has now begun to be reappreciated.
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Affiliation(s)
- Takeshi Inoue
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.
- Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan.
- Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan.
- Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS), Kanagawa, Japan.
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11
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Haas KM. Noncanonical B Cells: Characteristics of Uncharacteristic B Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:1257-1265. [PMID: 37844278 PMCID: PMC10593487 DOI: 10.4049/jimmunol.2200944] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 05/12/2023] [Indexed: 10/18/2023]
Abstract
B lymphocytes were originally described as a cell type uniquely capable of secreting Abs. The importance of T cell help in Ab production was revealed soon afterward. Following these seminal findings, investigators made great strides in delineating steps in the conventional pathway that B cells follow to produce high-affinity Abs. These studies revealed generalized, or canonical, features of B cells that include their developmental origin and paths to maturation, activation, and differentiation into Ab-producing and memory cells. However, along the way, examples of nonconventional B cell populations with unique origins, age-dependent development, tissue localization, and effector functions have been revealed. In this brief review, features of B-1a, B-1b, marginal zone, regulatory, killer, NK-like, age-associated, and atypical B cells are discussed. Emerging work on these noncanonical B cells and functions, along with the study of their significance for human health and disease, represents an exciting frontier in B cell biology.
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Affiliation(s)
- Karen M Haas
- Department of Microbiology and Immunology, Wake Forest University School of Medicine, Winston-Salem, NC
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12
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Sadighi Akha AA, Csomós K, Ujházi B, Walter JE, Kumánovics A. Evolving Approach to Clinical Cytometry for Immunodeficiencies and Other Immune Disorders. Clin Lab Med 2023; 43:467-483. [PMID: 37481324 DOI: 10.1016/j.cll.2023.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2023]
Abstract
Primary immunodeficiencies were initially identified on the basis of recurrent, severe or unusual infections. Subsequently, it was noted that these diseases can also manifest with autoimmunity, autoinflammation, allergy, lymphoproliferation and malignancy, hence a conceptual change and their renaming as inborn errors of immunity. Ongoing advances in flow cytometry provide the opportunity to expand or modify the utility and scope of existing laboratory tests in this field to mirror this conceptual change. Here we have used the B cell subset, variably known as CD21low B cells, age-associated B cells and T-bet+ B cells, as an example to demonstrate this possibility.
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Affiliation(s)
- Amir A Sadighi Akha
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Krisztián Csomós
- Division of Pediatric Allergy/Immunology, University of South Florida, Johns Hopkins All Children's Hospital, St. Petersburg, FL, USA
| | - Boglárka Ujházi
- Division of Pediatric Allergy/Immunology, University of South Florida, Johns Hopkins All Children's Hospital, St. Petersburg, FL, USA
| | - Jolán E Walter
- Division of Pediatric Allergy/Immunology, University of South Florida, Johns Hopkins All Children's Hospital, St. Petersburg, FL, USA
| | - Attila Kumánovics
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
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13
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Reusch L, Angeletti D. Memory B-cell diversity: From early generation to tissue residency and reactivation. Eur J Immunol 2023; 53:e2250085. [PMID: 36811174 DOI: 10.1002/eji.202250085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/17/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023]
Abstract
Memory B cells (MBCs) have a crucial function in providing an enhanced response to repeated infections. Upon antigen encounter, MBC can either rapidly differentiate to antibody secreting cells or enter germinal centers (GC) to further diversify and affinity mature. Understanding how and when MBC are formed, where they reside and how they select their fate upon reactivation has profound implications for designing strategies to improve targeted, next-generation vaccines. Recent studies have crystallized much of our knowledge on MBC but also reported several surprising discoveries and gaps in our current understanding. Here, we review the latest advancements in the field and highlight current unknowns. In particular, we focus on timing and cues leading to MBC generation before and during the GC reaction, discuss how MBC become resident in mucosal tissues, and finally, provide an overview of factors shaping MBC fate-decision upon reactivation in mucosal and lymphoid tissues.
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Affiliation(s)
- Laura Reusch
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Davide Angeletti
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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14
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Gjertsson I, McGrath S, Grimstad K, Jonsson CA, Camponeschi A, Thorarinsdottir K, Mårtensson IL. A close-up on the expanding landscape of CD21-/low B cells in humans. Clin Exp Immunol 2022; 210:217-229. [PMID: 36380692 PMCID: PMC9985162 DOI: 10.1093/cei/uxac103] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/05/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022] Open
Abstract
Memory B cells (MBCs) are an essential part of our immunological memory. They respond fast upon re-encountering pathogens and can differentiate into plasma cells that secrete protective antibodies. The focus of this review is on MBCs that lack, or express low levels of, CD21, hereafter referred to as CD21-/low. These cells are expanded in peripheral blood with age and during chronic inflammatory conditions such as viral infections, malaria, common variable immunodeficiency, and autoimmune diseases. CD21-/low MBCs have gained significant attention; they produce disease-specific antibodies/autoantibodies and associate with key disease manifestations in some conditions. These cells can be divided into subsets based on classical B-cell and other markers, e.g. CD11c, FcRL4, and Tbet which, over the years, have become hallmarks to identify these cells. This has resulted in different names including age-associated, autoimmune-associated, atypical, tissue-like, tissue-resident, tissue-restricted, exhausted, or simply CD21-/low B cells. It is however unclear whether the expanded 'CD21-/low' cells in one condition are equivalent to those in another, whether they express an identical gene signature and whether they have a similar function. Here, we will discuss these issues with the goal to understand whether the CD21-/low B cells are comparable in different conditions.
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Affiliation(s)
- Inger Gjertsson
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden
| | - Sarah McGrath
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden
| | - Kristoffer Grimstad
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden
- School of Bioscience, University of Skövde, Skövde 54128, Sweden
| | - Charlotte A Jonsson
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden
| | - Alessandro Camponeschi
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden
| | - Katrin Thorarinsdottir
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden
| | - Inga-Lill Mårtensson
- Correspondence: Inga-Lill Mårtensson, Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg 40530, Sweden.
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