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Ciucci T, Vacchio MS, Chen T, Nie J, Chopp LB, McGavern DB, Kelly MC, Bosselut R. Dependence on Bcl6 and Blimp1 drive distinct differentiation of murine memory and follicular helper CD4+ T cells. J Exp Med 2022; 219:e20202343. [PMID: 34792530 PMCID: PMC8605495 DOI: 10.1084/jem.20202343] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 09/22/2021] [Accepted: 10/29/2021] [Indexed: 12/24/2022] Open
Abstract
During the immune response, CD4+ T cells differentiate into distinct effector subtypes, including follicular helper T (Tfh) cells that help B cells, and into memory cells. Tfh and memory cells are required for long-term immunity; both depend on the transcription factor Bcl6, raising the question whether they differentiate through similar mechanisms. Here, using single-cell RNA and ATAC sequencing, we show that virus-responding CD4+ T cells lacking both Bcl6 and Blimp1 can differentiate into cells with transcriptomic, chromatin accessibility, and functional attributes of memory cells but not of Tfh cells. Thus, Bcl6 promotes memory cell differentiation primarily through its repression of Blimp1. These findings demonstrate that distinct mechanisms underpin the differentiation of memory and Tfh CD4+ cells and define the Bcl6-Blimp1 axis as a potential target for promoting long-term memory T cell differentiation.
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Affiliation(s)
- Thomas Ciucci
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
- David H. Smith Center for Vaccine Biology and Immunology, Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY
| | - Melanie S. Vacchio
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Ting Chen
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Jia Nie
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Laura B. Chopp
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
- Immunology Graduate Group, University of Pennsylvania Medical School, Philadelphia, PA
| | - Dorian B. McGavern
- Viral Immunology and Intravital Imaging Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD
| | - Michael C. Kelly
- Single Cell Analysis Facility, Cancer Research Technology Program, Frederick National Laboratory, Bethesda, MD
| | - Rémy Bosselut
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
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2
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Abstract
The adaptive immune system has the enormous challenge to protect the host through the generation and differentiation of pathogen-specific short-lived effector T cells while in parallel developing long-lived memory cells to control future encounters with the same pathogen. A complex regulatory network is needed to preserve a population of naïve cells over lifetime that exhibit sufficient diversity of antigen receptors to respond to new antigens, while also sustaining immune memory. In parallel, cells need to maintain their proliferative potential and the plasticity to differentiate into different functional lineages. Initial signs of waning immune competence emerge after 50 years of age, with increasing clinical relevance in the 7th-10th decade of life. Morbidity and mortality from infections increase, as drastically exemplified by the current COVID-19 pandemic. Many vaccines, such as for the influenza virus, are poorly effective to generate protective immunity in older individuals. Age-associated changes occur at the level of the T-cell population as well as the functionality of its cellular constituents. The system highly relies on the self-renewal of naïve and memory T cells, which is robust but eventually fails. Genetic and epigenetic modifications contribute to functional differences in responsiveness and differentiation potential. To some extent, these changes arise from defective maintenance; to some, they represent successful, but not universally beneficial adaptations to the aging host. Interventions that can compensate for the age-related defects and improve immune responses in older adults are increasingly within reach.
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Affiliation(s)
- Huimin Zhang
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA
- Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA, USA
| | - Cornelia M. Weyand
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA
- Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA, USA
| | - Jörg J. Goronzy
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University, Stanford, CA, USA
- Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA, USA
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3
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Chen H, Gao F, Bao Y, Zheng J, Sun L, Tang W, Zou J, Shi Y. Blimp-1 inhibits Th9 cell differentiation and attenuates diabetic coronary heart disease. Int Immunopharmacol 2021; 95:107510. [PMID: 33706054 DOI: 10.1016/j.intimp.2021.107510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/25/2021] [Accepted: 02/13/2021] [Indexed: 10/22/2022]
Abstract
Diabetic coronary heart disease (DM-CHD) poses a major threat to the world. The newly described T cell subset-Th9 cells and related cytokine interleukin (IL)-9 play important roles in the pathogenesis of diabetes and atherosclerosis. B lymphocyte-induced maturation protein 1 (Blimp-1) has been indicated to negatively regulate Th9 development in allergic asthma, but its role in DM-CHD remains unclear. Hence, this study was designed to investigate the role of Blimp-1 in DM-CHD and to elucidate whether the mechanism was associated with regulation of Th9 cell differentiation. Our results showed that serum Blimp-1 mRNA level was decreased whereas proportion of Th9 cells (IL-9+ CD4+ T cells) and serum level of Th9-related IL-9 were increased in DM-CHD patients. Furthermore, serum Blimp-1 mRNA level was negatively correlated with IL-9 level in DM-CHD patients. Importantly, administration of lentiviruses expressing Blimp-1 (LV-Blimp-1) significantly inhibited Th9 cell differentiation and alleviated the severity of atherosclerotic lesions in the aorta and coronary artery, dyslipidemia, inflammation, vascular endothelial dysfunction, and oxidative stress in DM-CHD model rats. Collectively, Blimp-1 exerts a protective effect in DM-CHD rats and the mechanism might involve inhibition of Th9 cell differentiation.
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Affiliation(s)
- Haiyan Chen
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Fangyuan Gao
- Department of Health Toxicology, Faculty of Naval Medicine, Naval Medical University, Shanghai 200433, China
| | - Yi Bao
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Jiaoyang Zheng
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Liangliang Sun
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Wei Tang
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Junjie Zou
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China.
| | - Yongquan Shi
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China.
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4
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Mijnheer G, Lutter L, Mokry M, van der Wal M, Scholman R, Fleskens V, Pandit A, Tao W, Wekking M, Vervoort S, Roberts C, Petrelli A, Peeters JGC, Knijff M, de Roock S, Vastert S, Taams LS, van Loosdregt J, van Wijk F. Conserved human effector Treg cell transcriptomic and epigenetic signature in arthritic joint inflammation. Nat Commun 2021; 12:2710. [PMID: 33976194 PMCID: PMC8113485 DOI: 10.1038/s41467-021-22975-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 04/08/2021] [Indexed: 02/07/2023] Open
Abstract
Treg cells are critical regulators of immune homeostasis, and environment-driven Treg cell differentiation into effector (e)Treg cells is crucial for optimal functioning. However, human Treg cell programming in inflammation is unclear. Here, we combine transcriptional and epigenetic profiling to identify a human eTreg cell signature. Inflammation-derived functional Treg cells have a transcriptional profile characterized by upregulation of both a core Treg cell (FOXP3, CTLA4, TIGIT) and effector program (GITR, BLIMP-1, BATF). We identify a specific human eTreg cell signature that includes the vitamin D receptor (VDR) as a predicted regulator in eTreg cell differentiation. H3K27ac/H3K4me1 occupancy indicates an altered (super-)enhancer landscape, including enrichment of the VDR and BATF binding motifs. The Treg cell profile has striking overlap with tumor-infiltrating Treg cells. Our data demonstrate that human inflammation-derived Treg cells acquire a conserved and specific eTreg cell profile guided by epigenetic changes, and fine-tuned by environment-specific adaptations.
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MESH Headings
- Adolescent
- Arthritis, Juvenile/genetics
- Arthritis, Juvenile/immunology
- Arthritis, Juvenile/pathology
- Base Sequence
- Basic-Leucine Zipper Transcription Factors/genetics
- Basic-Leucine Zipper Transcription Factors/immunology
- CTLA-4 Antigen/genetics
- CTLA-4 Antigen/immunology
- Case-Control Studies
- Cell Differentiation
- Child
- Child, Preschool
- Epigenesis, Genetic
- Female
- Forkhead Transcription Factors/genetics
- Forkhead Transcription Factors/immunology
- Gene Expression Profiling
- Gene Regulatory Networks
- Glucocorticoid-Induced TNFR-Related Protein/genetics
- Glucocorticoid-Induced TNFR-Related Protein/immunology
- Histones/genetics
- Histones/immunology
- Humans
- Joints/immunology
- Joints/pathology
- Male
- Metabolic Networks and Pathways/genetics
- Metabolic Networks and Pathways/immunology
- Positive Regulatory Domain I-Binding Factor 1/genetics
- Positive Regulatory Domain I-Binding Factor 1/immunology
- Primary Cell Culture
- Receptors, Calcitriol/genetics
- Receptors, Calcitriol/immunology
- Receptors, Immunologic/genetics
- Receptors, Immunologic/immunology
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/pathology
- Transcriptome
- Young Adult
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Affiliation(s)
- Gerdien Mijnheer
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Lisanne Lutter
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Michal Mokry
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Regenerative Medicine Center Utrecht, Department of Pediatrics, University Medical Center Utrecht, Utrecht, The Netherlands
- Epigenomics facility, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marlot van der Wal
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Rianne Scholman
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Veerle Fleskens
- Centre for Inflammation Biology and Cancer Immunology, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Aridaman Pandit
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Weiyang Tao
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Mark Wekking
- Epigenomics facility, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Stephin Vervoort
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Regenerative Medicine Center Utrecht, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ceri Roberts
- Centre for Inflammation Biology and Cancer Immunology, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Alessandra Petrelli
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Janneke G C Peeters
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Marthe Knijff
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Sytze de Roock
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Sebastiaan Vastert
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Leonie S Taams
- Centre for Inflammation Biology and Cancer Immunology, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Jorg van Loosdregt
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Regenerative Medicine Center Utrecht, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Femke van Wijk
- Center for Translational Immunology, Pediatric Immunology & Rheumatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
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5
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Howard E, Lewis G, Galle-Treger L, Hurrell BP, Helou DG, Shafiei-Jahani P, Painter JD, Muench GA, Soroosh P, Akbari O. IL-10 production by ILC2s requires Blimp-1 and cMaf, modulates cellular metabolism, and ameliorates airway hyperreactivity. J Allergy Clin Immunol 2021; 147:1281-1295.e5. [PMID: 32905799 DOI: 10.1016/j.jaci.2020.08.024] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/21/2020] [Accepted: 08/21/2020] [Indexed: 01/27/2023]
Abstract
BACKGROUND Group 2 innate lymphoid cells (ILC2s) are the dominant innate lymphoid cell population in the lungs at steady state, and their release of type 2 cytokines is a central driver in responding eosinophil infiltration and increased airway hyperreactivity. Our laboratory has identified a unique subset of ILC2s in the lungs that actively produce IL-10 (ILC210s). OBJECTIVE Our aim was to characterize the effector functions of ILC210s in the development and pathology of allergic asthma. METHODS IL-4-stimulated ILC210s were isolated to evaluate cytokine secretion, transcription factor signaling, metabolic dependence, and effector functions in vitro. ILC210s were also adoptively transferred into Rag2-/-γc-/- mice, which were then challenged with IL-33 and assessed for airway hyperreactivity and lung inflammation. RESULTS We have determined that the transcription factors cMaf and Blimp-1 regulate IL-10 expression in ILC210s. Strikingly, our results demonstrate that ILC210s can utilize both autocrine and paracrine signaling to suppress proinflammatory ILC2 effector functions in vitro. Further, this subset dampens airway hyperreactivity and significantly reduces lung inflammation in vivo. Interestingly, ILC210s demonstrated a metabolic dependency on the glycolytic pathway for IL-10 production, shifting from the fatty acid oxidation pathway conventionally utilized for proinflammatory effector functions. CONCLUSION These findings provide an important and previously unrecognized role of ILC210s in diseases associated with ILC2s such as allergic lung inflammation and asthma. They also provide new insights into the metabolism dependency of proinflammatory and anti-inflammatory ILC2 phenotypes.
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Affiliation(s)
- Emily Howard
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Gavin Lewis
- Janssen Research and Development, San Diego, Calif
| | - Lauriane Galle-Treger
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Benjamin P Hurrell
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Doumet Georges Helou
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Pedram Shafiei-Jahani
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Jacob D Painter
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | | | | | - Omid Akbari
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif.
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6
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Xiu W, Chen Y, Chen Q, Deng B, Su J, Guo Z. Sauchinone attenuates inflammatory responses in dendritic cells via Blimp-1 and ameliorates dextran sulfate sodium (DSS)-induced colitis. Biochem Biophys Res Commun 2020; 527:902-908. [PMID: 32430179 DOI: 10.1016/j.bbrc.2020.05.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 05/04/2020] [Indexed: 12/20/2022]
Abstract
Inflammatory bowel disease (IBD) is a complex inflammatory disorder of the digestive tract with dysregulated innate and adaptive immune responses. Dendritic cells (DC), the most important antigen presenting cells, act as bridges connecting the adaptive and innate immune systems, and play a crucial role in the regulation of local homeostasis in the gut and are also essential mediators in the initiation and development of intestinal inflammation. Our recent study found that sauchinone (SAU) was able to ameliorate experimental colitis in mice by restraining Th17 cell differentiation and their pathogenicity. Here, we found that SAU significantly inhibited LPS-induced DC activation. Moreover, SAU suppressed the ability of LPS-primed DC to induce Th1/Th17 cell differentiation, but SAU-treated DC up-regulated their ability to initiate Foxp3+ Treg cell generation. Of note, we found that genetical ablation of Blimp-1 in DC markedly abrogated the SAU suppression of pro-inflammatory cytokine or promote immunomodulatory molecule production by DC. Blimp-1 deficiency boosted the ability of DC to polarize naïve CD4+ T cells into Th1/Th17 cell lineages. SAU failed to alleviated DSS-induced colitis in mice with Blimp-1-deficient DC. Our results shed new lights on the mechanisms of how SAU regulates DC biology and intestinal inflammation.
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Affiliation(s)
- Wenbo Xiu
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Yanxi Chen
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Qinyuan Chen
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Bolin Deng
- Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Jiang Su
- Department of Rheumatology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
| | - Zhenzhen Guo
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China; Department of Gastroenterology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
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7
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Milner JJ, Toma C, He Z, Kurd NS, Nguyen QP, McDonald B, Quezada L, Widjaja CE, Witherden DA, Crowl JT, Shaw LA, Yeo GW, Chang JT, Omilusik KD, Goldrath AW. Heterogenous Populations of Tissue-Resident CD8 + T Cells Are Generated in Response to Infection and Malignancy. Immunity 2020; 52:808-824.e7. [PMID: 32433949 PMCID: PMC7784612 DOI: 10.1016/j.immuni.2020.04.007] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 01/21/2020] [Accepted: 04/17/2020] [Indexed: 11/23/2022]
Abstract
Tissue-resident memory CD8+ T cells (Trm) provide host protection through continuous surveillance of non-lymphoid tissues. Using single-cell RNA-sequencing (scRNA-seq) and genetic reporter mice, we identified discrete lineages of intestinal antigen-specific CD8+ T cells, including a Blimp1hiId3lo tissue-resident effector cell population most prominent in the early phase of acute viral and bacterial infections and a molecularly distinct Blimp1loId3hi tissue-resident memory population that subsequently accumulated at later infection time points. These Trm populations exhibited distinct cytokine production, secondary memory potential, and transcriptional programs including differential roles for transcriptional regulators Blimp1, T-bet, Id2, and Id3 in supporting and maintaining intestinal Trm. Extending our analysis to malignant tissue, we also identified discrete populations of effector-like and memory-like CD8+ T cell populations with tissue-resident gene-expression signatures that shared features of terminally exhausted and progenitor-exhausted T cells, respectively. Our findings provide insight into the development and functional heterogeneity of Trm cells, which has implications for enhancing vaccination and immunotherapy approaches.
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Affiliation(s)
- J Justin Milner
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Clara Toma
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Zhaoren He
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Nadia S Kurd
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Quynh P Nguyen
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Bryan McDonald
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Lauren Quezada
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | | | - Deborah A Witherden
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - John T Crowl
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Laura A Shaw
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Gene W Yeo
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, USA
| | - John T Chang
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Kyla D Omilusik
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA.
| | - Ananda W Goldrath
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, USA.
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8
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Gao Y, Jin H, Tan H, Wang Y, Wu J, Wang Y, Zhang J, Yang Y, Tian W, Hou R. The role of extracellular vesicles from stored RBC units in B lymphocyte survival and plasma cell differentiation. J Leukoc Biol 2020; 108:1765-1776. [PMID: 32421907 DOI: 10.1002/jlb.1a0220-666r] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/22/2020] [Accepted: 03/28/2020] [Indexed: 12/21/2022] Open
Abstract
Extracellular vesicles (EVs) are small, double-membrane vesicles derived from erythrocytes, leukocytes, platelets, and cells of multiple tissues under physiologic or pathologic conditions. The role of EVs in stored RBC units is of great interest with respect to transfusion-related immunomodulation. The current study focuses on the quantity of EVs isolated from stored RBC units and their action on B cell-mediated immune responses. The in vitro experiment demonstrated that EVs exhibited a negative role in B cell survival, plasmacytic differentiation, and class switch recombination under LPS stimulation. Furthermore, LPS-induced antibody production was significantly decreased after EVs injection in vivo. Biochemical analysis revealed that EVs hampered the expression of Blimp-1 and IRF4 and the activation of NF-κB pathway in LPS-primed B cells. Overall, these data imply a vital role for EVs isolated from RBC units in B cell-mediated immune responses.
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Affiliation(s)
- Yuhan Gao
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Haiqiang Jin
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Hui Tan
- Guangdong Innovation Platform of Translational Research for Cerebrovascular Diseases, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Yan Wang
- Department of Immunology, and Key Laboratory of Medical Immunology of Ministry of Public Health, Peking University Health Science Center, Beijing, China
| | - Jia Wu
- Department of Immunology, and Key Laboratory of Medical Immunology of Ministry of Public Health, Peking University Health Science Center, Beijing, China
| | - Yuqing Wang
- Department of Immunology, and Key Laboratory of Medical Immunology of Ministry of Public Health, Peking University Health Science Center, Beijing, China
| | - Jianhua Zhang
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Ying Yang
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Wenqin Tian
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Ruiqin Hou
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
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9
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Liu Z, Liu Y, Li T, Wang P, Mo X, Lv P, Ma D, Han W. CMTM7 plays key roles in TLR-induced plasma cell differentiation and p38 activation in murine B-1 B cells. Eur J Immunol 2020; 50:809-821. [PMID: 32022930 DOI: 10.1002/eji.201948363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 12/25/2019] [Accepted: 02/04/2020] [Indexed: 12/30/2022]
Abstract
Terminal differentiation of B cells into antibody-secreting cells is the foundation of humoral immune response. B-1 cells, which are different from B-2 cells, preferentially differentiate into plasma cells. CMTM7 is a MARVEL-domain-containing membrane protein predominantly expressed in B cells that plays an important role in B-1a cell development. The present study assessed CMTM7 function in response to antigen stimulation. Following immunization with T cell-dependent and T cell-independent antigens, Cmtm7-deficient mice exhibited decreased IgM but normal IgG responses in vivo. In vitro stimulation with LPSs induced Cmtm7-/- B-1 cell activation, whereas proliferation was marginally reduced. Notably, Cmtm7 deficiency markedly suppressed plasma cell differentiation in response to TLR agonists, accompanied by a decrease in IgM and IL-10 production. At the molecular level, loss of Cmtm7 repressed the downregulation of Pax5 and the upregulation of Xbp1, Irf4, and Prdm1. Furthermore, p38 phosphorylation was inhibited in Cmtm7-/- B-1 cells. Experiments using a p38 inhibitor revealed that p38 activation was essential for the terminal differentiation of B-1 cells, suggesting that Cmtm7 contributes to B-1 cell differentiation by maintaining p38 activation. Overall, the data reveal the crucial functions of CMTM7 in TLR-induced terminal differentiation and p38 activation in B-1 cells.
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Affiliation(s)
- Zhengyang Liu
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Yuan Liu
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Ting Li
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Pingzhang Wang
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Xiaoning Mo
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Ping Lv
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Dalong Ma
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Wenling Han
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
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10
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Wu L, Zhou E, Gao A, Kong L, Wu S, Bian X, Li Y, Li B, Fu S, Guo Z, Ye J. Blimp-1 is involved in B cell activation and maturation in Nile tilapia (Oreochromis niloticus). Dev Comp Immunol 2019; 98:137-147. [PMID: 31078630 DOI: 10.1016/j.dci.2019.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 05/06/2019] [Accepted: 05/06/2019] [Indexed: 06/09/2023]
Abstract
B lymphocyte-induced maturation protein 1 (Blimp-1), a transcription factor containing zinc finger, is required and sufficient to trigger terminal differentiation of B cells in mammals. The Blimp-1 (OnBlimp-1) from Nile tilapia (Oreochromis niloticus) was identified and characterized its expression pattern during B cell activation and maturation. The cDNA of OnBlimp-1 open reading frame is 2547 bp encoding a protein of 848 amino acids and the predicted molecular weight is 93.36 kDa. OnBlimp-1 contains a SET domain and five ZnF_C2H2 domains, which shares high homology with that of other species. OnBlimp-1 transcription was detected in all examined tissues with high expression in the spleen (SPL). Analysis of sorted lymphocyte populations, including IgM+ and IgM- cells from peripheral blood (PBL), SPL and anterior kidney (AK), indicated that the OnBlimp-1 transcription was highly expressed in the IgM+ B cells. Upon LPS stimulation, OnBlimp-1 expression was up-regulated in tissues of PBL, SPL and AK significantly. The expression of OnBlimp-1, as well as the secreted IgM, was significantly up-regulated in the SPL and AK leukocytes stimulated with anti-OnIgM monoclonal antibody and LPS in vitro, respectively. Above results suggest that OnBlimp-1, a cytokine regulating the terminal differentiation of activated B cells to antibody-secreting cells, is likely to play important roles in B cell activation and maturation in Nile tilapia.
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Affiliation(s)
- Liting Wu
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Enxu Zhou
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Along Gao
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Linghe Kong
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Siwei Wu
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Xia Bian
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Yuan Li
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Bingxi Li
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Shengli Fu
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China
| | - Zheng Guo
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China.
| | - Jianmin Ye
- School of Life Sciences, South China Normal University, Institute of Modern Aquaculture Science and Engineering, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, Guangdong 510631, PR China.
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Berrih-Aknin S, Panse RL, Dragin N. AIRE: a missing link to explain female susceptibility to autoimmune diseases. Ann N Y Acad Sci 2018; 1412:21-32. [PMID: 29291257 DOI: 10.1111/nyas.13529] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/20/2017] [Accepted: 09/25/2017] [Indexed: 12/13/2022]
Abstract
Women are more susceptible to autoimmune diseases than men. Autoimmunity results from tolerance breakdown toward self-components. Recently, three transcription modulators were identified in medullary thymic epithelial cells that orchestrate immune central tolerance processes: the autoimmune regulator (AIRE), FEZ family zinc finger 2 (FEZF2 or FEZ1), and PR domain zinc finger protein 1 (PRDM1). Interestingly, these three transcription modulators regulate nonredundant tissue-specific antigen subsets and thus cover broad antigen diversity. Recent data from different groups demonstrated that sex hormones (estrogen and testosterone) are involved in the regulation of thymic AIRE expression in humans and mice through direct transcriptional modulation and epigenetic changes. As a consequence, AIRE displays gender-biased thymic expression, with females showing a lower expression compared with males, a finding that could explain the female susceptibility to autoimmune diseases. So far, FEZF2 has not been related to an increased gender bias in autoimmune disease. PRDM1 expression has not been shown to display gender-differential thymic expression, but its expression level and its gene polymorphisms are associated with female-dependent autoimmune disease risk. Altogether, various studies have demonstrated that increased female susceptibility to autoimmune diseases is in part a consequence of hormone-driven reduced thymic AIRE expression.
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Affiliation(s)
- Sonia Berrih-Aknin
- UPMC Sorbonne Universities, Paris, France
- INSERM U974, Paris, France
- AIM, Institute of Myology, Paris, France
| | - Rozen Le Panse
- UPMC Sorbonne Universities, Paris, France
- INSERM U974, Paris, France
- AIM, Institute of Myology, Paris, France
| | - Nadine Dragin
- UPMC Sorbonne Universities, Paris, France
- INSERM U974, Paris, France
- AIM, Institute of Myology, Paris, France
- Inovarion, Paris, France
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