1
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Tellier J, Tarasova I, Nie J, Smillie CS, Fedele PL, Cao WHJ, Groom JR, Belz GT, Bhattacharya D, Smyth GK, Nutt SL. Unraveling the diversity and functions of tissue-resident plasma cells. Nat Immunol 2024; 25:330-342. [PMID: 38172260 DOI: 10.1038/s41590-023-01712-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 11/13/2023] [Indexed: 01/05/2024]
Abstract
Antibody-secreting plasma cells (PCs) are generated in secondary lymphoid organs but are reported to reside in an emerging range of anatomical sites. Analysis of the transcriptome of different tissue-resident (Tr)PC populations revealed that they each have their own transcriptional signature indicative of functional adaptation to the host tissue environment. In contrast to expectation, all TrPCs were extremely long-lived, regardless of their organ of residence, with longevity influenced by intrinsic factors like the immunoglobulin isotype. Analysis at single-cell resolution revealed that the bone marrow is unique in housing a compendium of PCs generated all over the body that retain aspects of the transcriptional program indicative of their tissue of origin. This study reveals that extreme longevity is an intrinsic property of TrPCs whose transcriptome is imprinted by signals received both at the site of induction and within the tissue of residence.
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Affiliation(s)
- Julie Tellier
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia.
| | - Ilariya Tarasova
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| | - Junli Nie
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| | | | - Pasquale L Fedele
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Haematology Department, Monash Health, Clayton, Victoria, Australia
- School of Clinical Sciences at Monash Health, Monash University, Clayton, Victoria, Australia
| | - Wang H J Cao
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
- The University of Queensland Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia
| | - Joanna R Groom
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| | - Gabrielle T Belz
- The University of Queensland Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia
| | - Deepta Bhattacharya
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, AZ, USA
| | - Gordon K Smyth
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
- School of Mathematics and Statistics, University of Melbourne, Parkville, Victoria, Australia
| | - Stephen L Nutt
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia.
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2
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Pouw JEE, Hashemi SMS, Huisman MC, Wijngaarden JE, Slebe M, Oprea-Lager DE, Zwezerijnen GJC, Vugts D, Ulas EB, de Gruijl TD, Radonic T, Senan S, Menke-van der Houven van Oordt CW, Bahce I. First exploration of the on-treatment changes in tumor and organ uptake of a radiolabeled anti PD-L1 antibody during chemoradiotherapy in patients with non-small cell lung cancer using whole body PET. J Immunother Cancer 2024; 12:e007659. [PMID: 38302416 PMCID: PMC10836378 DOI: 10.1136/jitc-2023-007659] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND In patients with locally advanced unresectable non-small cell lung cancer (NSCLC), durvalumab, an anti-programmed cell death ligand-1 (PD-L1) antibody, has shown improved overall survival when used as consolidation therapy following concurrent chemoradiotherapy (CRT). However, it is unclear whether CRT itself upregulates PD-L1 expression. Therefore, this study aimed to explore the changes in the uptake of the anti PD-L1 antibody [89Zr]Zr-durvalumab in tumors and healthy organs during CRT in patients with NSCLC. METHODS Patients with NSCLC scheduled to undergo CRT were scanned 7±1 days after administration of 37±1 MBq [89Zr]Zr-durvalumab at baseline, 1-week on-treatment and 1 week after finishing 6 weeks of CRT. First, [89Zr]Zr-durvalumab uptake was visually assessed in a low dose cohort with a mass dose of 2 mg durvalumab (0.13% of therapeutic dose) and subsequently, quantification was done in a high dose cohort with a mass dose of 22.5 mg durvalumab (1.5% of therapeutic dose). Tracer pharmacokinetics between injections were compared using venous blood samples drawn in the 22.5 mg cohort. Visual assessment included suspected lesion detectability. Positron emission tomography (PET) uptake in tumoral and healthy tissues was quantified using tumor to plasma ratio (TPR) and organ to plasma ratio, respectively. RESULTS In the 2 mg dose cohort, 88% of the 17 identified tumor lesions were positive at baseline, compared with 69% (9/13) for the 22.5 mg cohort. Although the absolute plasma concentrations between patients varied, the intrapatient variability was low. The ten quantitatively assessed lesions in the 22.5 mg cohort had a median TPR at baseline of 1.3 (IQR 0.7-1.5), on-treatment of 1.0 (IQR 0.7-1.4) and at the end of treatment of 0.7 (IQR 0.6-0.7). On-treatment, an increased uptake in bone marrow was seen in three out of five patients together with a decreased uptake in the spleen in four out of five patients. CONCLUSIONS This study successfully imaged patients with NSCLC with [89Zr]Zr-durvalumab PET before and during CRT. Our data did not show any increase in [89Zr]Zr-durvalumab uptake in the tumor 1-week on-treatment and at the end of treatment. The changes observed in bone marrow and spleen may be due to an CRT-induced effect on immune cells. TRIAL REGISTRATION NUMBER EudraCT number: 2019-004284-51.
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Affiliation(s)
- Johanna E E Pouw
- Department of Medical Oncology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
| | - Sayed M S Hashemi
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Marc C Huisman
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Jessica E Wijngaarden
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Maarten Slebe
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Daniela E Oprea-Lager
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Gerben J C Zwezerijnen
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Danielle Vugts
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Ezgi B Ulas
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
- Cancer Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Tanja D de Gruijl
- Department of Medical Oncology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
| | - Teodora Radonic
- Department of Pathology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Suresh Senan
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiation Oncology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | | | - Idris Bahce
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
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3
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Ise W, Kurosaki T. Tissues of origin matter to plasma cell longevity. Nat Immunol 2024; 25:194-195. [PMID: 38191856 DOI: 10.1038/s41590-023-01731-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Affiliation(s)
- Wataru Ise
- Regulation of Host Defense Team, Division of Microbiology and Immunology, Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan.
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.
- Division of Microbiology and Immunology, Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan.
- Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan.
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4
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Aspden JW, Murphy MA, Kashlan RD, Xiong Y, Poznansky MC, Sîrbulescu RF. Intruders or protectors - the multifaceted role of B cells in CNS disorders. Front Cell Neurosci 2024; 17:1329823. [PMID: 38269112 PMCID: PMC10806081 DOI: 10.3389/fncel.2023.1329823] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 12/20/2023] [Indexed: 01/26/2024] Open
Abstract
B lymphocytes are immune cells studied predominantly in the context of peripheral humoral immune responses against pathogens. Evidence has been accumulating in recent years on the diversity of immunomodulatory functions that B cells undertake, with particular relevance for pathologies of the central nervous system (CNS). This review summarizes current knowledge on B cell populations, localization, infiltration mechanisms, and function in the CNS and associated tissues. Acute and chronic neurodegenerative pathologies are examined in order to explore the complex, and sometimes conflicting, effects that B cells can have in each context, with implications for disease progression and treatment outcomes. Additional factors such as aging modulate the proportions and function of B cell subpopulations over time and are also discussed in the context of neuroinflammatory response and disease susceptibility. A better understanding of the multifactorial role of B cell populations in the CNS may ultimately lead to innovative therapeutic strategies for a variety of neurological conditions.
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Affiliation(s)
- James W. Aspden
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Matthew A. Murphy
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Rommi D. Kashlan
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Yueyue Xiong
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Mark C. Poznansky
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Ruxandra F. Sîrbulescu
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
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5
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Sprumont A, Rodrigues A, McGowan SJ, Bannard C, Bannard O. Germinal centers output clonally diverse plasma cell populations expressing high- and low-affinity antibodies. Cell 2023; 186:5486-5499.e13. [PMID: 37951212 DOI: 10.1016/j.cell.2023.10.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 03/31/2023] [Revised: 08/05/2023] [Accepted: 10/24/2023] [Indexed: 11/13/2023]
Abstract
Germinal centers (GCs) form in lymph nodes after immunization or infection to facilitate antibody affinity maturation and memory and plasma cell (PC) development. PC differentiation is thought to involve stringent selection for GC B cells expressing the highest-affinity antigen receptors, but how this plays out during complex polyclonal responses is unclear. We combine temporal lineage tracing with antibody characterization to gain a snapshot of PCs developing during influenza infection. GCs co-mature B cell clones with antibody affinities spanning multiple orders of magnitude; however, each generates PCs with similar efficiencies, including weak binders. Within lineages, PC selection is not restricted to variants with the highest-affinity antibodies. Differentiation is commonly associated with proliferative expansion to produce "nodes" of identical PCs. Immunization-induced GCs generate fewer PCs but still of low- and high-antibody affinities. We propose that generating low-affinity antibody PCs reflects an evolutionary compromise to facilitate diverse serum antibody responses.
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Affiliation(s)
- Adrien Sprumont
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Ana Rodrigues
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Simon J McGowan
- Computational Biology Research Group, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Colin Bannard
- Department of Linguistics and English Language, University of Manchester, Manchester M13 9PL, UK
| | - Oliver Bannard
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK.
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6
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Ji X, Wu L, Marion T, Luo Y. Lipid metabolism in regulation of B cell development and autoimmunity. Cytokine Growth Factor Rev 2023; 73:40-51. [PMID: 37419766 DOI: 10.1016/j.cytogfr.2023.06.008] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
B cells play an important role in adaptive immunity and participate in the process of humoral immunity mainly by secreting antibodies. The entire development and differentiation process of B cells occurs in multiple microenvironments and is regulated by a variety of environmental factors and immune signals. Differentiation biases or disfunction of B cells participate in the process of many autoimmune diseases. Emerging studies report the impact of altered metabolism in B cell biology, including lipid metabolism. Here, we discuss how extracellular lipid environment and metabolites, membrane lipid-related components, and lipid synthesis and catabolism programs coordinate B cell biology and describe the crosstalk of lipid metabolic programs with signal transduction pathways and transcription factors. We conclude with a summary of therapeutic targets for B cell lipid metabolism and signaling in autoimmune diseases and discuss important future directions.
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Affiliation(s)
- Xing Ji
- Laboratory of Rheumatology and Immunology, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Liang Wu
- Laboratory of Rheumatology and Immunology, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Tony Marion
- Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Yubin Luo
- Laboratory of Rheumatology and Immunology, Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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7
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Kayama H, Takeda K. Emerging roles of host and microbial bioactive lipids in inflammatory bowel diseases. Eur J Immunol 2023; 53:e2249866. [PMID: 37191284 DOI: 10.1002/eji.202249866] [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: 12/28/2022] [Revised: 04/11/2023] [Accepted: 05/15/2023] [Indexed: 05/17/2023]
Abstract
The intestinal tract harbors diverse microorganisms, host- and microbiota-derived metabolites, and potentially harmful dietary antigens. The epithelial barrier separates the mucosa, where diverse immune cells exist, from the lumen to avoid excessive immune reactions against microbes and dietary antigens. Inflammatory bowel disease (IBD), such as ulcerative colitis and Crohn's disease, is characterized by a chronic and relapsing disorder of the gastrointestinal tract. Although the precise etiology of IBD is still largely unknown, accumulating evidence suggests that IBD is multifactorial, involving host genetics and microbiota. Alterations in the metabolomic profiles and microbial community are features of IBD. Advances in mass spectrometry-based lipidomic technologies enable the identification of changes in the composition of intestinal lipid species in IBD. Because lipids have a wide range of functions, including signal transduction and cell membrane formation, the dysregulation of lipid metabolism drastically affects the physiology of the host and microorganisms. Therefore, a better understanding of the intimate interactions of intestinal lipids with host cells that are implicated in the pathogenesis of intestinal inflammation might aid in the identification of novel biomarkers and therapeutic targets for IBD. This review summarizes the current knowledge on the mechanisms by which host and microbial lipids control and maintain intestinal health and diseases.
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Affiliation(s)
- Hisako Kayama
- Laboratory of Immune Regulation, Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- WPI, Osaka University, Suita, Osaka, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, Suita, Osaka, Japan
| | - Kiyoshi Takeda
- Laboratory of Immune Regulation, Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- WPI, Osaka University, Suita, Osaka, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan
- Center for Infection Disease Education and Research, Osaka University, Suita, Japan
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8
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Wittner J, Schuh W. Krüppel-like factor 2: a central regulator of B cell differentiation and plasma cell homing. Front Immunol 2023; 14:1172641. [PMID: 37251374 PMCID: PMC10213221 DOI: 10.3389/fimmu.2023.1172641] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/06/2023] [Indexed: 05/31/2023] Open
Abstract
The development of B cells, their activation and terminal differentiation into antibody-producing plasma cells are characterized by alternating phases of proliferation and quiescence that are controlled by complex transcriptional networks. The spatial and anatomical organization of B cells and plasma cells inside lymphoid organs as well as their migration within lymphoid structures and between organs are prerequisites for the generation and the maintenance of humoral immune responses. Transcription factors of the Krüppel-like family are critical regulators of immune cell differentiation, activation, and migration. Here, we discuss the functional relevance of Krüppel-like factor 2 (KLF2) for B cell development, B cell activation, plasma cell formation and maintenance. We elaborate on KLF2-mediated regulation of B cell and plasmablast migration in the context of immune responses. Moreover, we describe the importance of KLF2 for the onset and the progression of B cell-related diseases and malignancies.
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9
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Kihara Y, Chun J. Molecular and neuroimmune pharmacology of S1P receptor modulators and other disease-modifying therapies for multiple sclerosis. Pharmacol Ther 2023; 246:108432. [PMID: 37149155 DOI: 10.1016/j.pharmthera.2023.108432] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/25/2023] [Accepted: 05/02/2023] [Indexed: 05/08/2023]
Abstract
Multiple sclerosis (MS) is a neurological, immune-mediated demyelinating disease that affects people in the prime of life. Environmental, infectious, and genetic factors have been implicated in its etiology, although a definitive cause has yet to be determined. Nevertheless, multiple disease-modifying therapies (DMTs: including interferons, glatiramer acetate, fumarates, cladribine, teriflunomide, fingolimod, siponimod, ozanimod, ponesimod, and monoclonal antibodies targeting ITGA4, CD20, and CD52) have been developed and approved for the treatment of MS. All the DMTs approved to date target immunomodulation as their mechanism of action (MOA); however, the direct effects of some DMTs on the central nervous system (CNS), particularly sphingosine 1-phosphate (S1P) receptor (S1PR) modulators, implicate a parallel MOA that may also reduce neurodegenerative sequelae. This review summarizes the currently approved DMTs for the treatment of MS and provides details and recent advances in the molecular pharmacology, immunopharmacology, and neuropharmacology of S1PR modulators, with a special focus on the CNS-oriented, astrocyte-centric MOA of fingolimod.
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Affiliation(s)
- Yasuyuki Kihara
- Sanford Burnham Prebys Medical Discovery Institute, United States of America.
| | - Jerold Chun
- Sanford Burnham Prebys Medical Discovery Institute, United States of America
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10
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Shirai T, Nakai A, Ando E, Fujimoto J, Leach S, Arimori T, Higo D, van Eerden FJ, Tulyeu J, Liu YC, Okuzaki D, Murayama MA, Miyata H, Nunomura K, Lin B, Tani A, Kumanogoh A, Ikawa M, Wing JB, Standley DM, Takagi J, Suzuki K. Celastrol suppresses humoral immune responses and autoimmunity by targeting the COMMD3/8 complex. Sci Immunol 2023; 8:eadc9324. [PMID: 37000855 DOI: 10.1126/sciimmunol.adc9324] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Celastrol, a bioactive molecule extracted from the
Tripterygium wilfordii
plant, has been shown to exhibit anti-inflammatory properties. However, its mechanism of action has not been fully elucidated. Here, we show that celastrol suppresses humoral immune responses and autoimmunity by disabling a protein complex consisting of copper metabolism MURR1 domain–containing (COMMD) 3 and COMMD8 (COMMD3/8 complex), a signaling adaptor for chemoattractant receptors. Having demonstrated the involvement of the COMMD3/8 complex in a mouse model of rheumatoid arthritis, we identified celastrol as a compound that covalently bound to and dissociated the COMMD3/8 complex. Celastrol inhibited B cell migration, reduced antibody responses, and blocked arthritis progression, recapitulating deficiency of the COMMD3/8 complex. These effects of celastrol were abolished in mice expressing a celastrol-resistant mutant of the COMMD3/8 complex. These findings establish that celastrol exerts immunosuppressive activity by targeting the COMMD3/8 complex. Our study suggests that the COMMD3/8 complex is a potentially druggable target in autoimmune diseases and points to celastrol as a lead pharmacologic candidate in this capacity.
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Affiliation(s)
- Taiichiro Shirai
- Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Akiko Nakai
- Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Department of Immune Response Dynamics, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - Emiko Ando
- Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - Jun Fujimoto
- Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Sarah Leach
- Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - Takao Arimori
- Laboratory for Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Daisuke Higo
- Thermo Fisher Scientific K.K., Yokohama, Kanagawa, Japan
| | - Floris J. van Eerden
- Laboratory of Systems Immunology, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Department of Genome Informatics, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - Janyerkye Tulyeu
- Laboratory of Human Single Cell Immunology, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
| | - Yu-Chen Liu
- Laboratory of Human Immunology (Single Cell Genomics), WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - Daisuke Okuzaki
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
- Laboratory of Human Immunology (Single Cell Genomics), WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - Masanori A. Murayama
- Department of Animal Models for Human Diseases, Institute of Biomedical Science, Kansai Medical University, Hirakata, Osaka, Japan
| | - Haruhiko Miyata
- Department of Experimental Genome Research, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - Kazuto Nunomura
- Center for Supporting Drug Discovery and Life Science Research, Graduate School of Pharmaceutical Science, Osaka University, Suita, Osaka, Japan
| | - Bangzhong Lin
- Center for Supporting Drug Discovery and Life Science Research, Graduate School of Pharmaceutical Science, Osaka University, Suita, Osaka, Japan
| | - Akiyoshi Tani
- Center for Supporting Drug Discovery and Life Science Research, Graduate School of Pharmaceutical Science, Osaka University, Suita, Osaka, Japan
| | - Atsushi Kumanogoh
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
- Laboratory of Immunopathology, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka, Japan
| | - Masahito Ikawa
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
- Department of Experimental Genome Research, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - James B. Wing
- Laboratory of Human Single Cell Immunology, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
| | - Daron M. Standley
- Laboratory of Systems Immunology, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Department of Genome Informatics, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
| | - Junichi Takagi
- Laboratory for Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Suita, Osaka, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka, Japan
| | - Kazuhiro Suzuki
- Laboratory of Immune Response Dynamics, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- Department of Immune Response Dynamics, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
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11
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Simonin EM, Babasyan S, Tarsillo J, Wagner B. IgE+ plasmablasts predict the onset of clinical allergy. Front Immunol 2023; 14:1104609. [PMID: 36817463 PMCID: PMC9932261 DOI: 10.3389/fimmu.2023.1104609] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/24/2023] [Indexed: 02/05/2023] Open
Abstract
Introduction IgE+ plasmablasts develop following allergen exposure and B cell activation. They secrete IgE and therefore are directly linked to maintain the mechanisms of IgE-mediated allergies. Here, we show that the presence of IgE+ plasmablasts in peripheral blood not only coincides with clinical allergy, but also predicts the upcoming development of clinical disease. Methods Using an equine model of naturally occurring allergy, we compared the timing of allergen exposure, arrival of IgE+ plasmablasts in peripheral blood, and onset of clinical disease. Results We found that IgE+ plasmablasts predict the development of clinical allergy by at least 3 weeks and can be measured directly by flow cytometry or by IgE secretion following in vitro culture. We also compared the IgE secretion by IgE+ plasmablasts with total plasma IgE concentrations and found that while IgE secretion consistently correlates with clinical allergy, total plasma IgE does not. Discussion Together, we describe IgE+ plasmablasts as a reliable and sensitive predictive biomarker of allergic disease development.
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Affiliation(s)
| | | | - Justine Tarsillo
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
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12
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Bonaud A, Khamyath M, Espéli M. The cellular biology of plasma cells: Unmet challenges and opportunities. Immunol Lett 2023; 254:6-12. [PMID: 36646289 DOI: 10.1016/j.imlet.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/27/2022] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
Plasma cells and the antibodies they secrete are paramount for protection against infection but can also be implicated in diseases including autoantibody-mediated disease and multiple myeloma. Plasma cell terminal differentiation relies on a transcriptional switch and on important morphological changes. The cellular and molecular mechanisms underlying these processes are partly understood and how plasma cells manage to survive for long periods of time while secreting large quantities of antibodies remains unclear. In this review we aim to put in perspective what is known about plasma cell cellular biology to highlight the challenges faced by this field of research but also to illustrate how new opportunities may arise from the study of the fundamental mechanisms sustaining plasma cell survival and function.
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13
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Aaron TS, Fooksman DR. Dynamic organization of the bone marrow plasma cell niche. FEBS J 2022; 289:4228-4239. [PMID: 35114061 DOI: 10.1111/febs.16385] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/29/2021] [Accepted: 02/01/2022] [Indexed: 01/09/2023]
Abstract
Prophylactic, serological memory relies on maintaining stable reservoirs of plasma cells, capable of constitutively-secreting high-affinity, anti-pathogen antibody for a lifetime. Although antibody titers generated by some vaccines (e.g. measles) can last a lifetime, other vaccinations (e.g. tetanus) need repeated boosting because long-lived plasma cells are not produced or maintained. Moreover, in old age, the ability to generate long-lived humoral responses diminishes. Despite their importance to health, it is unknown how long-lived plasma cells survive over years, whereas most antibody secreting cells die off within weeks after vaccination. In this review, we focus on how known factors regulate the longevity of plasma cell fitness and survival, and how that landscape is shaped by environmental influences, such as inflammation, infection and aging. In addition, we highlight newly discovered cellular dynamics in the bone marrow that may reframe the mechanisms supporting long-lived plasma cell survival and function.
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Affiliation(s)
- Tonya S Aaron
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - David R Fooksman
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, USA
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14
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Petrusca DN, Lee KP, Galson DL. Role of Sphingolipids in Multiple Myeloma Progression, Drug Resistance, and Their Potential as Therapeutic Targets. Front Oncol 2022; 12:925807. [PMID: 35756630 PMCID: PMC9213658 DOI: 10.3389/fonc.2022.925807] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/16/2022] [Indexed: 11/13/2022] Open
Abstract
Multiple myeloma (MM) is an incapacitating hematological malignancy characterized by accumulation of cancerous plasma cells in the bone marrow (BM) and production of an abnormal monoclonal protein (M-protein). The BM microenvironment has a key role in myeloma development by facilitating the growth of the aberrant plasma cells, which eventually interfere with the homeostasis of the bone cells, exacerbating osteolysis and inhibiting osteoblast differentiation. Recent recognition that metabolic reprograming has a major role in tumor growth and adaptation to specific changes in the microenvironmental niche have led to consideration of the role of sphingolipids and the enzymes that control their biosynthesis and degradation as critical mediators of cancer since these bioactive lipids have been directly linked to the control of cell growth, proliferation, and apoptosis, among other cellular functions. In this review, we present the recent progress of the research investigating the biological implications of sphingolipid metabolism alterations in the regulation of myeloma development and its progression from the pre-malignant stage and discuss the roles of sphingolipids in in MM migration and adhesion, survival and proliferation, as well as angiogenesis and invasion. We introduce the current knowledge regarding the role of sphingolipids as mediators of the immune response and drug-resistance in MM and tackle the new developments suggesting the manipulation of the sphingolipid network as a novel therapeutic direction for MM.
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Affiliation(s)
- Daniela N Petrusca
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Kelvin P Lee
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN, United States.,Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN, United States
| | - Deborah L Galson
- Department of Medicine, Division of Hematology/Oncology, University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center, McGowan Institute for Regenerative Medicine, HCC Research Pavilion, University of Pittsburgh, Pittsburgh, PA, United States
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15
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Abstract
Many aspects of SARS-CoV-2 have fully conformed with the principles established by decades of viral immunology research, ultimately leading to the crowning achievement of highly effective COVID-19 vaccines. Nonetheless, the pandemic has also exposed areas where our fundamental knowledge is thinner. Some key unknowns are the duration of humoral immunity post-primary infection or vaccination and how long booster shots confer protection. As a corollary, if protection does not last as long as desired, what are some ways it can be improved? Here, I discuss lessons from other infections and vaccines that point to several key features that influence durable antibody production and the perseverance of immunity. These include (1) the specific innate sensors that are initially triggered, (2) the kinetics of antigen delivery and persistence, (3) the starting B cell receptor (BCR) avidity and antigen valency, and (4) the memory B cell subsets that are recalled by boosters. I further highlight the fundamental B cell-intrinsic and B cell-extrinsic pathways that, if understood better, would provide a rational framework for vaccines to reliably provide durable immunity.
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Affiliation(s)
- Deepta Bhattacharya
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA.
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16
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Yuzefpolskiy Y, Morawski P, Fahning M, Speake C, Lord S, Chaudhary A, Morishima C, Wener MH, Kita M, McCarthy L, Buckner JH, Campbell DJ, Bettelli E. Cutting Edge: Effect of Disease-Modifying Therapies on SARS-CoV-2 Vaccine-Induced Immune Responses in Multiple Sclerosis Patients. J Immunol 2022; 208:1519-1524. [PMID: 35288472 DOI: 10.4049/jimmunol.2101142] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Multiple sclerosis (MS) is a demyelinating inflammatory disease of the CNS treated by diverse disease-modifying therapies that suppress the immune system. Severe acute respiratory syndrome coronavirus 2 mRNA vaccines have been very effective in immunocompetent individuals, but whether MS patients treated with modifying therapies are afforded the same protection is not known. This study determined that dimethyl fumarate caused a momentary reduction in anti-Spike (S)-specific Abs and CD8 T cell response. MS patients treated with B cell-depleting (anti-CD20) or sphingosine 1-phosphate receptor agonist (fingolimod) therapies lack significant S-specific Ab response. Whereas S-specific CD4 and CD8 T cell responses were largely compromised by fingolimod treatment, T cell responses were robustly generated in anti-CD20-treated MS patients, but with a reduced proportion of CD4+CXCR5+ circulating follicular Th cells. These data provide novel information regarding vaccine immune response in patients with autoimmunity useful to help improve vaccine effectiveness in these populations.
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Affiliation(s)
- Yevgeniy Yuzefpolskiy
- Center for Fundamental Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA
| | - Peter Morawski
- Center for Fundamental Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA
| | - Mitch Fahning
- Center for Fundamental Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA
| | - Cate Speake
- Center for Interventional Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA
| | - Sandra Lord
- Center for Interventional Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA
| | - Anu Chaudhary
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA
| | - Chihiro Morishima
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA
| | - Mark H Wener
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA
- Department of Medicine, University of Washington School of Medicine, Seattle, WA
| | - Mariko Kita
- Neuroscience Institute, Virginia Mason Medical Center, Seattle, WA
| | - Lucas McCarthy
- Neuroscience Institute, Virginia Mason Medical Center, Seattle, WA
| | - Jane H Buckner
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, WA; and
| | - Daniel J Campbell
- Center for Fundamental Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA
- Department of Immunology, University of Washington School of Medicine, Seattle, WA
| | - Estelle Bettelli
- Center for Fundamental Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA;
- Department of Immunology, University of Washington School of Medicine, Seattle, WA
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17
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Abstract
Vaccines are a highly effective intervention for conferring protection against infections and reducing the associated morbidity and mortality in vaccinated individuals. However, ageing is often associated with a functional decline in the immune system that results in poor antibody production in older individuals after vaccination. A key contributing factor of this age-related decline in vaccine efficacy is the reduced size and function of the germinal centre (GC) response. GCs are specialised microstructures where B cells undergo affinity maturation and diversification of their antibody genes, before differentiating into long-lived antibody-secreting plasma cells and memory B cells. The GC response requires the coordinated interaction of many different cell types, including B cells, T follicular helper (Tfh) cells, T follicular regulatory (Tfr) cells and stromal cell subsets like follicular dendritic cells (FDCs). This review discusses how ageing affects different components of the GC reaction that contribute to its limited output and ultimately impaired antibody responses in older individuals after vaccination. An understanding of the mechanisms underpinning the age-related decline in the GC response is crucial in informing strategies to improve vaccine efficacy and extend the healthy lifespan amongst older people.
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Affiliation(s)
- Jia Le Lee
- Immunology Program, Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, UK.
| | - Michelle A Linterman
- Immunology Program, Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, UK.
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18
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Wittner J, Schulz SR, Steinmetz TD, Berges J, Hauke M, Channell WM, Cunningham AF, Hauser AE, Hutloff A, Mielenz D, Jäck HM, Schuh W. Krüppel-like factor 2 controls IgA plasma cell compartmentalization and IgA responses. Mucosal Immunol 2022; 15:668-682. [PMID: 35347229 PMCID: PMC9259478 DOI: 10.1038/s41385-022-00503-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/24/2022] [Accepted: 03/02/2022] [Indexed: 02/04/2023]
Abstract
Krüppel-like factor 2 (KLF2) is a potent regulator of lymphocyte differentiation, activation and migration. However, its functional role in adaptive and humoral immunity remains elusive. Therefore, by using mice with a B cell-specific deletion of KLF2, we investigated plasma cell differentiation and antibody responses. We revealed that the deletion of KLF2 resulted in perturbed IgA plasma cell compartmentalization, characterized by the absence of IgA plasma cells in the bone marrow, their reductions in the spleen, the blood and the lamina propria of the colon and the small intestine, concomitant with their accumulation and retention in mesenteric lymph nodes and Peyer's patches. Most intriguingly, secretory IgA in the intestinal lumen was almost absent, dimeric serum IgA was drastically reduced and antigen-specific IgA responses to soluble Salmonella flagellin were blunted in KLF2-deficient mice. Perturbance of IgA plasma cell localization was caused by deregulation of CCR9, Integrin chains αM, α4, β7, and sphingosine-1-phosphate receptors. Hence, KLF2 not only orchestrates the localization of IgA plasma cells by fine-tuning chemokine receptors and adhesion molecules but also controls IgA responses to Salmonella flagellin.
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Affiliation(s)
- Jens Wittner
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Sebastian R. Schulz
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Tobit D. Steinmetz
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Johannes Berges
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Manuela Hauke
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - William M. Channell
- grid.6572.60000 0004 1936 7486Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Adam F. Cunningham
- grid.6572.60000 0004 1936 7486Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Anja E. Hauser
- grid.6363.00000 0001 2218 4662Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany ,grid.418217.90000 0000 9323 8675Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Berlin, Germany
| | - Andreas Hutloff
- grid.412468.d0000 0004 0646 2097Institute of Immunology and Institute of Clinical Molecular Biology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Dirk Mielenz
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Hans-Martin Jäck
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Wolfgang Schuh
- grid.411668.c0000 0000 9935 6525Division of Molecular Immunology, Department of Internal Medicine 3, Nikolaus-Fiebiger Center, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
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19
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Kochayoo P, Sanguansuttikul P, Thawornpan P, Wangriatisak K, Adams JH, Ntumngia FB, Chootong P. The presence of circulating antibody secreting cells and long-lived memory B cell responses to reticulocyte binding protein 1a in Plasmodium vivax patients. Malar J 2021; 20:474. [PMID: 34930312 PMCID: PMC8686587 DOI: 10.1186/s12936-021-04015-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/08/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Development of an effective vaccine against blood-stage malaria requires the induction of long-term immune responses. Plasmodium vivax Reticulocyte Binding Protein 1a (PvRBP1a) is a blood-stage parasite antigen which is associated with invasion of red blood cells and induces antibody responses. Thus, PvRBP1a is considered as a target for design of a blood-stage vaccine against vivax malaria. METHODS Both cross-sectional and cohort studies were used to explore the development and persistence of long-lived antibody and memory B cell responses to PvRBP1a in individuals who lived in an area of low malaria endemicity. Antibody titers and frequency of memory B cells specific to PvRBP1a were measured during infection and following recovery for up to 12 months. RESULTS IgG antibody responses against PvRBP1a were prevalent during acute vivax malaria, predominantly IgG1 subclass responses. High responders to PvRBP1a had persistent antibody responses for at least 12-month post-infection. Further analysis of high responder found a direct relation between antibody titers and frequency of activated and atypical memory B cells. Furthermore, circulating antibody secreting cells and memory B cells specific to PvRBP1a were generated during infection. The PvRBP1a-specific memory B cells were maintained for up to 3-year post-infection, indicating the ability of PvRBP1a to induce long-term humoral immunity. CONCLUSION The study revealed an ability of PvRBP1a protein to induce the generation and maintenance of antibody and memory B cell responses. Therefore, PvRBP1a could be considered as a vaccine candidate against the blood-stage of P. vivax.
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Affiliation(s)
- Piyawan Kochayoo
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand
| | - Pattarawan Sanguansuttikul
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand
| | - Pongsakorn Thawornpan
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand
| | - Kittikorn Wangriatisak
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand
| | - John H Adams
- Center for Global Health and Infectious Diseases Research, University of South Florida, Tampa, FL, 33612, USA
| | - Francis B Ntumngia
- Center for Global Health and Infectious Diseases Research, University of South Florida, Tampa, FL, 33612, USA.
| | - Patchanee Chootong
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, 10700, Thailand
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20
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Wittner J, Schuh W. Krüppel-like Factor 2 (KLF2) in Immune Cell Migration. Vaccines (Basel) 2021; 9:1171. [PMID: 34696279 DOI: 10.3390/vaccines9101171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/27/2021] [Accepted: 10/06/2021] [Indexed: 01/30/2023] Open
Abstract
Krüppel-like factor 2 (KLF2), a transcription factor of the krüppel-like family, is a key regulator of activation, differentiation, and migration processes in various cell types. In this review, we focus on the functional relevance of KLF2 in immune cell migration and homing. We summarize the key functions of KLF2 in the regulation of chemokine receptors and adhesion molecules and discuss the relevance of the KLF2-mediated control of immune cell migration in the context of immune responses, infections, and diseases.
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21
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McGinley MP, Cohen JA. Sphingosine 1-phosphate receptor modulators in multiple sclerosis and other conditions. Lancet 2021; 398:1184-1194. [PMID: 34175020 DOI: 10.1016/s0140-6736(21)00244-0] [Citation(s) in RCA: 101] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/19/2020] [Accepted: 01/15/2021] [Indexed: 02/06/2023]
Abstract
The sphingosine 1-phosphate (S1P) signalling pathways have important and diverse functions. S1P receptors (S1PRs) have been proposed as a therapeutic target for various diseases due to their involvement in regulation of lymphocyte trafficking, brain and cardiac function, vascular permeability, and vascular and bronchial tone. S1PR modulators were first developed to prevent rejection by the immune system following renal transplantation, but the only currently approved indication is multiple sclerosis. The primary mechanism of action of S1PR modulators in multiple sclerosis is through binding S1PR subtype 1 on lymphocytes resulting in internalisation of the receptor and loss of responsiveness to the S1P gradient that drives lymphocyte egress from lymph nodes. The reduction in circulating lymphocytes presumably limits inflammatory cell migration into the CNS. Four S1PR modulators (fingolimod, siponimod, ozanimod, and ponesimod) have regulatory approval for multiple sclerosis. Preclinical evidence and ongoing and completed clinical trials support development of S1PR modulators for other therapeutic indications.
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22
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Nguyen DC, Duan M, Ali M, Ley A, Sanz I, Lee FEH. Plasma cell survival: The intrinsic drivers, migratory signals, and extrinsic regulators. Immunol Rev 2021; 303:138-153. [PMID: 34337772 DOI: 10.1111/imr.13013] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 12/13/2022]
Abstract
Antibody-secreting cells (ASC) are the effectors of protective humoral immunity and the only cell type that produces antibodies or immunoglobulins in mammals. In addition to their formidable capacity to secrete massive quantities of proteins, ASC are terminally differentiated and have unique features to become long-lived plasma cells (LLPC). Upon antigen encounter, B cells are activated through a complex multistep process to undergo fundamental morphological, subcellular, and molecular transformation to become an efficient protein factory with lifelong potential. The ASC survival potential is determined by factors at the time of induction, capacity to migration from induction to survival sites, and ability to mature in the specialized bone marrow microenvironments. In the past decade, considerable progress has been made in identifying factors regulating ASC longevity. Here, we review the intrinsic drivers, trafficking signals, and extrinsic regulators with particular focus on how they impact the survival potential to become a LLPC.
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Affiliation(s)
- Doan C Nguyen
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Meixue Duan
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Mohammad Ali
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Ariel Ley
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, Georgia, USA
| | - Ignacio Sanz
- Division of Rheumatology, Department of Medicine, Emory University, Atlanta, Georgia, USA.,Lowance Center for Human Immunology, Emory University, Atlanta, Georgia, USA
| | - F Eun-Hyung Lee
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, Georgia, USA.,Lowance Center for Human Immunology, Emory University, Atlanta, Georgia, USA
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23
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Manakkat Vijay GK, Singh H. Cell fate dynamics and genomic programming of plasma cell precursors. Immunol Rev 2021; 303:62-71. [PMID: 34195999 DOI: 10.1111/imr.13010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 05/18/2021] [Indexed: 02/06/2023]
Abstract
This review is focused on the cellular dynamics and genomic programming of plasma cell (PC) precursors that arise during germinal center (GC) B cell responses in secondary lymphoid organs (SLOs) and give rise to PCs in the bone marrow. Considerable progress has been made in the phenotypic characterization of circulating and bone marrow PC precursors as well as their differentiated short-lived (SLPC) and long-lived (LLPC) counterparts, in the context of model antigen and vaccine responses. Importantly, it has been possible to infer the temporal dynamics of generation of PC precursors during a GC response. However, the nature of the PC precursors at their site of generation in SLOs, and their signaling and genomic states, remain to be elucidated. Our synthesis draws upon experimental studies conducted in murine models as well as in humans, the latter complemented with cell culture manipulations of PCs and their precursors. By integration of the studies in murine and human systems, which are being accelerated by new genomic methodologies, we highlight insights and hypotheses concerning the generation of PCs. This framework can be extended and explored from both fundamental and translational standpoints.
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Affiliation(s)
- Godhev K Manakkat Vijay
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Harinder Singh
- Center for Systems Immunology and Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
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24
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Slamanig SA, Nolte MA. The Bone Marrow as Sanctuary for Plasma Cells and Memory T-Cells: Implications for Adaptive Immunity and Vaccinology. Cells 2021; 10:1508. [PMID: 34203839 DOI: 10.3390/cells10061508] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/31/2021] [Accepted: 06/08/2021] [Indexed: 12/20/2022] Open
Abstract
The bone marrow (BM) is key to protective immunological memory because it harbors a major fraction of the body’s plasma cells, memory CD4+ and memory CD8+ T-cells. Despite its paramount significance for the human immune system, many aspects of how the BM enables decade-long immunity against pathogens are still poorly understood. In this review, we discuss the relationship between BM survival niches and long-lasting humoral immunity, how intrinsic and extrinsic factors define memory cell longevity and show that the BM is also capable of adopting many responsibilities of a secondary lymphoid organ. Additionally, with more and more data on the differentiation and maintenance of memory T-cells and plasma cells upon vaccination in humans being reported, we discuss what factors determine the establishment of long-lasting immunological memory in the BM and what we can learn for vaccination technologies and antigen design. Finally, using these insights, we touch on how this holistic understanding of the BM is necessary for the development of modern and efficient vaccines against the pandemic SARS-CoV-2.
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25
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Liu Y, Yang CL, Yang B, Du T, Li XL, Zhang P, Ge MR, Lian Y, Li H, Liu YD, Duan RS. Prophylactic administration of fingolimod (FTY720) ameliorated experimental autoimmune myasthenia gravis by reducing the number of dendritic cells, follicular T helper cells and antibody-secreting cells. Int Immunopharmacol 2021; 96:107511. [PMID: 33915521 DOI: 10.1016/j.intimp.2021.107511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/13/2021] [Accepted: 02/14/2021] [Indexed: 11/28/2022]
Abstract
Fingolimod (FTY720), a sphingosine 1-phosphate (S1P) receptor antagonist, possesses potent immunomodulatory activity via lymphocyte homing. The effects of FTY720 have been widely studied in various T-cell-mediated autoimmune diseases, while the immunomodulatory effects on experimental autoimmune myasthenia gravis (EAMG), a typical disease model for antibody-mediated autoimmunity, remain elusive. In the present study, FTY720 was administered to EAMG rats as prophylaxis. The clinical scores were recorded every other day, and serum antibodies at different time points were measured by enzyme-linked immunosorbent assay (ELISA). The immune cell subsets in the spleen, bone marrow, circulation, and thymus were determined by flow cytometry. The prophylactic administration alleviated EAMG symptoms by reducing the level of serum antibodies IgG and its isotype IgG2b on days 30 and 46 post immunization, as well as IgG and Ig kappa antibody-secreting cells in the spleen and bone marrow. The mitigated humoral immune response can be attributed to the decreased dendritic cells, follicular T help cells (Tfh) and Tfh subsets (Tfh1, Tfh2, and Tfh17), and T helper cell subsets (Th1, Th2, and Th17) in the spleen. The promotion of lymphocyte homing and inhibition of thymocyte egress contribute to the effects of FTY720 on these effector T cell subsets. Overall, the prophylactic administration of FTY720 ameliorated EAMG partially by regulating humoral immune response,suggesting that FTY720 could be part of a pharmacological strategy for managing myasthenia gravis.
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Affiliation(s)
- Ying Liu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China; Department of Neurology, Shandong Provincial Qianfoshan Hospital, Shandong University, China.
| | - Chun-Lin Yang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Bing Yang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Tong Du
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Xiao-Li Li
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Peng Zhang
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Meng-Ru Ge
- Department of Neurology, Shandong Provincial Qianfoshan Hospital, Shandong University, China.
| | - Ying Lian
- Department of Health Management, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Heng Li
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Yu-Dong Liu
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China.
| | - Rui-Sheng Duan
- Department of Neurology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, China; Department of Neurology, Shandong Provincial Qianfoshan Hospital, Shandong University, China; Shandong Institute of Neuroimmunology, China.
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26
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Bonaud A, Lemos JP, Espéli M, Balabanian K. Hematopoietic Multipotent Progenitors and Plasma Cells: Neighbors or Roommates in the Mouse Bone Marrow Ecosystem? Front Immunol 2021; 12:658535. [PMID: 33936091 PMCID: PMC8083056 DOI: 10.3389/fimmu.2021.658535] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/25/2021] [Indexed: 11/25/2022] Open
Abstract
The bone marrow is a complex ecosystem in which hematopoietic and non-hematopoietic cells reside. In this review, we discuss the bone marrow niches in mice that facilitate the survival, maintenance, and differentiation of cells of hematopoietic origin based on the recent literature. Our review places a special focus on the hematopoietic multipotent progenitors and on plasma cells, corresponding to the last stage of the B-cell lineage, that play a key role in the humoral memory response. We highlight the similarities between the microenvironments necessary for the establishment and the maintenance of these two immune cell subsets, and how the chemokine CXCL12/CXCR4 signaling axis contributes to these processes. Finally, we bring elements to address the following question: are multipotent progenitors and plasma cells neighbors or roommates within the bone marrow?
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Affiliation(s)
- Amélie Bonaud
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
| | - Julia P Lemos
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
| | - Marion Espéli
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
| | - Karl Balabanian
- Université de Paris, Institut de Recherche Saint-Louis, EMiLy, INSERM U1160, Paris, France.,OPALE Carnot Institute, The Organization for Partnerships in Leukemia, Hôpital Saint-Louis, Paris, France
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27
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Riese J, Gromann A, Lührs F, Kleinwort A, Schulze T. Sphingosine-1-Phosphate Receptor Type 4 (S1P 4) Is Differentially Regulated in Peritoneal B1 B Cells upon TLR4 Stimulation and Facilitates the Egress of Peritoneal B1a B Cells and Subsequent Accumulation of Splenic IRA B Cells under Inflammatory Conditions. Int J Mol Sci 2021; 22:ijms22073465. [PMID: 33801658 PMCID: PMC8037865 DOI: 10.3390/ijms22073465] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/16/2021] [Accepted: 03/25/2021] [Indexed: 02/08/2023] Open
Abstract
Background: Gram-negative infections of the peritoneal cavity result in profound modifications of peritoneal B cell populations and induce the migration of peritoneal B cells to distant secondary lymphoid organs. However, mechanisms controlling the egress of peritoneal B cells from the peritoneal cavity and their subsequent trafficking remain incompletely understood. Sphingosine-1-phosphate (S1P)-mediated signaling controls migratory processes in numerous immune cells. The present work investigates the role of S1P-mediated signaling in peritoneal B cell trafficking under inflammatory conditions. Methods: Differential S1P receptor expression after peritoneal B cell activation was assessed semi‑quantitatively using RT-PCR in vitro. The functional implications of differential S1P1 and S1P4 expression were assessed by transwell migration in vitro, by adoptive peritoneal B cell transfer in a model of sterile lipopolysaccharide (LPS)‑induced peritonitis and in the polymicrobial colon ascendens stent peritonitis (CASP) model. Results: The two sphingosine-1-phosphate receptors (S1PRs) expressed in peritoneal B cell subsets S1P1 and S1P4 are differentially regulated upon stimulation with the TLR4 agonist LPS, but not upon PMA/ionomycin or B cell receptor (BCR) crosslinking. S1P4 deficiency affects both the trafficking of activated peritoneal B cells to secondary lymphoid organs and the positioning of these cells within the functional compartments of the targeted organ. S1P4 deficiency in LPS-activated peritoneal B cells results in significantly reduced numbers of splenic innate response activator B cells. Conclusions: The S1P-S1PR system is implicated in the trafficking of LPS-activated peritoneal B cells. Given the protective role of peritoneal B1a B cells in peritoneal sepsis, further experiments to investigate the impact of S1P4-mediated signaling on the severity and mortality of peritoneal sepsis are warranted.
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Affiliation(s)
- Janik Riese
- Experimental Surgical Research Laboratory, Department of General Surgery, Visceral, Thoracic and Vascular Surgery, Universitätsmedizin Greifswald, 17475 Greifswald, Germany
| | - Alina Gromann
- Experimental Surgical Research Laboratory, Department of General Surgery, Visceral, Thoracic and Vascular Surgery, Universitätsmedizin Greifswald, 17475 Greifswald, Germany
| | - Felix Lührs
- Experimental Surgical Research Laboratory, Department of General Surgery, Visceral, Thoracic and Vascular Surgery, Universitätsmedizin Greifswald, 17475 Greifswald, Germany
| | - Annabel Kleinwort
- Experimental Surgical Research Laboratory, Department of General Surgery, Visceral, Thoracic and Vascular Surgery, Universitätsmedizin Greifswald, 17475 Greifswald, Germany
| | - Tobias Schulze
- Experimental Surgical Research Laboratory, Department of General Surgery, Visceral, Thoracic and Vascular Surgery, Universitätsmedizin Greifswald, 17475 Greifswald, Germany
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28
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Saveliev A, Bell SE, Turner M. Efficient homing of antibody-secreting cells to the bone marrow requires RNA-binding protein ZFP36L1. J Exp Med 2021; 218:e20200504. [PMID: 33306108 PMCID: PMC7744253 DOI: 10.1084/jem.20200504] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 03/16/2020] [Revised: 05/16/2020] [Accepted: 10/29/2020] [Indexed: 12/19/2022] Open
Abstract
Cell migration relies on coordinated activity of chemotactic and guidance receptors. Here, we report a specific role for the RNA-binding protein ZFP36L1 in limiting the abundance of molecules involved in the homing of antibody-secreting cells (ASCs) to the bone marrow (BM). In the absence of ZFP36L1, ASCs build up in the spleen and the liver and show diminished accumulation in the BM. ZFP36L1 facilitates migration by directly regulating G protein-coupled receptor kinase 2 (GRK2) and the integrin chains α4 and β1 in splenic ASCs. Expression of CXCR4 and of the integrins α4 and β1 is differentially regulated on ASCs produced at the early and late stages of the immune response. Consequently, deletion of the Zfp36l1 gene has a stronger effect on BM accumulation of high-affinity ASCs formed late in the response. Thus, ZFP36L1 is an integral part of the regulatory network controlling gene expression during ASC homing.
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Affiliation(s)
- Alexander Saveliev
- Laboratory of Lymphocyte Signalling and Development, The Babraham Institute, Cambridge, UK
| | - Sarah E Bell
- Laboratory of Lymphocyte Signalling and Development, The Babraham Institute, Cambridge, UK
| | - Martin Turner
- Laboratory of Lymphocyte Signalling and Development, The Babraham Institute, Cambridge, UK
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29
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Abstract
For many infections and almost all vaccines, neutralizing-antibody-mediated immunity is the primary basis and best functional correlate of immunological protection. Durable long-term humoral immunity is mediated by antibodies secreted by plasma cells that preexist subsequent exposures and by memory B cells that rapidly respond to infections once they have occurred. In the midst of the current pandemic of coronavirus disease 2019, it is important to define our current understanding of the unique roles of memory B cells and plasma cells in immunity and the factors that control the formation and persistence of these cell types. This fundamental knowledge is the basis to interpret findings from natural infections and vaccines. Here, we review transcriptional and metabolic programs that promote and support B cell fates and functions, suggesting points at which these pathways do and do not intersect.
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Affiliation(s)
- Tyler J Ripperger
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, Arizona 85724, USA; ,
| | - Deepta Bhattacharya
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, Arizona 85724, USA; ,
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30
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Miao R, Lim VY, Kothapalli N, Ma Y, Fossati J, Zehentmeier S, Sun R, Pereira JP. Hematopoietic Stem Cell Niches and Signals Controlling Immune Cell Development and Maintenance of Immunological Memory. Front Immunol 2020; 11:600127. [PMID: 33324418 PMCID: PMC7726109 DOI: 10.3389/fimmu.2020.600127] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/29/2020] [Indexed: 12/11/2022] Open
Abstract
Studies over the last couple of decades have shown that hematopoietic stem cells (HSCs) are critically dependent on cytokines such as Stem Cell Factor and other signals provided by bone marrow niches comprising of mesenchymal stem and progenitor cells (MSPCs) and endothelial cells (ECs). Because of their critical roles in HSC maintenance the niches formed by MSPCs and ECs are commonly referred to as HSC niches. For the most part, the signals required for HSC maintenance act in a short-range manner, which imposes the necessity for directional and positional cues in order for HSCs to localize and be retained properly in stem cell niches. The chemokine CXCL12 and its Gαi protein coupled receptor CXCR4, besides promoting HSC quiescence directly, also play instrumental roles in enabling HSCs to access bone marrow stem cell niches. Recent studies have revealed, however, that HSC niches also provide a constellation of hematopoietic cytokines that are critical for the production of most, if not all, blood cell types. Some hematopoietic cytokines, namely IL-7 and IL-15 produced by HSC niches, are not only required for lymphopoiesis but are also essential for memory T cell maintenance. Consequently, hematopoietic progenitors and differentiated immune cells, such as memory T cell subsets, also depend on the CXCL12/CXCR4 axis for migration into bone marrow and interactions with MSPCs and ECs. Similarly, subsets of antibody-secreting plasma cells also reside in close association with CXCL12-producing MSPCs in the bone marrow and require the CXCR4/CXCL12 axis for survival and long-term maintenance. Collectively, these studies demonstrate a broad range of key physiological roles, spanning blood cell production and maintenance of immunological memory, that are orchestrated by stem cell niches through a common and simple mechanism: CXCL12/CXCR4-mediated cell recruitment followed by receipt of a maintenance and/or instructive signal. A fundamental flaw of this type of cellular organization is revealed by myeloid and lymphoid leukemias, which target stem cell niches and induce profound transcriptomic changes that result in reduced hematopoietic activity and altered mesenchymal cell differentiation.
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Affiliation(s)
- Runfeng Miao
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - Vivian Y Lim
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - Neeharika Kothapalli
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - Yifan Ma
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - Julia Fossati
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - Sandra Zehentmeier
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - Ruifeng Sun
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
| | - João P Pereira
- Department of Immunobiology and Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT, United States
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31
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Robinson MJ, Webster RH, Tarlinton DM. How intrinsic and extrinsic regulators of plasma cell survival might intersect for durable humoral immunity. Immunol Rev 2020; 296:87-103. [DOI: 10.1111/imr.12895] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/01/2020] [Accepted: 06/03/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Marcus J. Robinson
- Department of Immunology & Pathology Alfred Medical Research and Education Precinct Monash University Melbourne Vic. Australia
| | - Rosela H. Webster
- Department of Immunology & Pathology Alfred Medical Research and Education Precinct Monash University Melbourne Vic. Australia
| | - David M. Tarlinton
- Department of Immunology & Pathology Alfred Medical Research and Education Precinct Monash University Melbourne Vic. Australia
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32
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Abstract
The signaling lipid sphingosine 1-phosphate (S1P) plays critical roles in an immune response. Drugs targeting S1P signaling have been remarkably successful in treatment of multiple sclerosis, and they have shown promise in clinical trials for colitis and psoriasis. One mechanism of these drugs is to block lymphocyte exit from lymph nodes, where lymphocytes are initially activated, into circulation, from which lymphocytes can reach sites of inflammation. Indeed, S1P can be considered a circulation marker, signaling to immune cells to help them find blood and lymphatic vessels, and to endothelial cells to stabilize the vasculature. That said, S1P plays pleiotropic roles in the immune response, and it will be important to build an integrated view of how S1P shapes inflammation. S1P can function so effectively because its distribution is exquisitely tightly controlled. Here we review how S1P gradients regulate immune cell exit from tissues, with particular attention to key outstanding questions in the field.
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Affiliation(s)
- Audrey A.L. Baeyens
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA;,
| | - Susan R. Schwab
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA;,
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33
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Xiong Y, Piao W, Brinkman CC, Li L, Kulinski JM, Olivera A, Cartier A, Hla T, Hippen KL, Blazar BR, Schwab SR, Bromberg JS. CD4 T cell sphingosine 1-phosphate receptor (S1PR)1 and S1PR4 and endothelial S1PR2 regulate afferent lymphatic migration. Sci Immunol 2020; 4:4/33/eaav1263. [PMID: 30877143 DOI: 10.1126/sciimmunol.aav1263] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 01/29/2019] [Indexed: 12/12/2022]
Abstract
Sphingosine 1-phosphate (S1P) and S1P receptors (S1PRs) regulate migration of lymphocytes out of thymus to blood and lymph nodes (LNs) to efferent lymph, whereas their role in other tissue sites is not known. Here, we investigated the question of how these molecules regulate leukocyte migration from tissues through afferent lymphatics to draining LNs (dLNs). S1P, but not other chemokines, selectively enhanced human and murine CD4 T cell migration across lymphatic endothelial cells (LECs). T cell S1PR1 and S1PR4, and LEC S1PR2, were required for migration across LECs and into lymphatic vessels and dLNs. S1PR1 and S1PR4 differentially regulated T cell motility and vascular cell adhesion molecule-1 (VCAM-1) binding. S1PR2 regulated LEC layer structure, permeability, and expression of the junction molecules VE-cadherin, occludin, and zonulin-1 through the ERK pathway. S1PR2 facilitated T cell transcellular migration through VCAM-1 expression and recruitment of T cells to LEC migration sites. These results demonstrated distinct roles for S1PRs in comodulating T cell and LEC functions in migration and suggest previously unknown levels of regulation of leukocytes and endothelial cells during homeostasis and immunity.
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Affiliation(s)
- Yanbao Xiong
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.,Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Wenji Piao
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.,Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - C Colin Brinkman
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Lushen Li
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.,Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Joseph M Kulinski
- Mast Cell Biology Section, Laboratory of Allergic Diseases, NIAID, NIH, Bethesda, MD 20892, USA
| | - Ana Olivera
- Mast Cell Biology Section, Laboratory of Allergic Diseases, NIAID, NIH, Bethesda, MD 20892, USA
| | - Andreane Cartier
- Vascular Biology Program, Boston Children's Hospital, Boston, MA 20115, USA.,Department of Surgery, Harvard Medical School, Boston, MA 20115, USA
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Boston, MA 20115, USA.,Department of Surgery, Harvard Medical School, Boston, MA 20115, USA
| | - Keli L Hippen
- University of Minnesota Cancer Center and the Department of Pediatrics, Division of Blood and Marrow Transplantation, University of Minnesota, Minneapolis, MN 55455, USA
| | - Bruce R Blazar
- University of Minnesota Cancer Center and the Department of Pediatrics, Division of Blood and Marrow Transplantation, University of Minnesota, Minneapolis, MN 55455, USA
| | - Susan R Schwab
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA
| | - Jonathan S Bromberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA. .,Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA.,Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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34
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Hilchey SP, Palshikar MG, Emo JA, Li D, Garigen J, Wang J, Mendelson ES, Cipolla V, Thakar J, Zand MS. Cyclosporine a directly affects human and mouse b cell migration in vitro by disrupting a hIF-1 αdependent, o 2 sensing, molecular switch. BMC Immunol 2020; 21:13. [PMID: 32183695 PMCID: PMC7079363 DOI: 10.1186/s12865-020-0342-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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: 05/02/2019] [Accepted: 02/27/2020] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Hypoxia is a potent molecular signal for cellular metabolism, mitochondrial function, and migration. Conditions of low oxygen tension trigger regulatory cascades mediated via the highly conserved HIF-1 α post-translational modification system. In the adaptive immune response, B cells (Bc) are activated and differentiate under hypoxic conditions within lymph node germinal centers, and subsequently migrate to other compartments. During migration, they traverse through changing oxygen levels, ranging from 1-5% in the lymph node to 5-13% in the peripheral blood. Interestingly, the calcineurin inhibitor cyclosporine A is known to stimulate prolyl hydroxylase activity, resulting in HIF-1 α destabilization and may alter Bc responses directly. Over 60% of patients taking calcineurin immunosuppressant medications have hypo-gammaglobulinemia and poor vaccine responses, putting them at high risk of infection with significantly increased morbidity and mortality. RESULTS We demonstrate that O 2 tension is a previously unrecognized Bc regulatory switch, altering CXCR4 and CXCR5 chemokine receptor signaling in activated Bc through HIF-1 α expression, and controlling critical aspects of Bc migration. Our data demonstrate that calcineurin inhibition hinders this O 2 regulatory switch in primary human Bc. CONCLUSION This previously unrecognized effect of calcineurin inhibition directly on human Bc has significant and direct clinical implications.
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Affiliation(s)
- Shannon P Hilchey
- University of Rochester Medical CenterDivision of Nephrology, 601 Elmwood Ave., Rochester, 14642 NY USA
| | - Mukta G Palshikar
- University of RochesterBiophysics, Structural, and Computational Biology Program, 601 Elmwood Ave. - Box 675, Rochester, 14642 NY USA
| | - Jason A Emo
- University of Rochester Medical CenterDivision of Nephrology, 601 Elmwood Ave., Rochester, 14642 NY USA
| | - Dongmei Li
- University of RochesterClinical and Translational Science Institute, 265 Crittenden Blvd., Rochester, 14642 NY USA
| | - Jessica Garigen
- University of RochesterClinical and Translational Science Institute, 265 Crittenden Blvd., Rochester, 14642 NY USA
| | - Jiong Wang
- University of Rochester Medical CenterDivision of Nephrology, 601 Elmwood Ave., Rochester, 14642 NY USA
| | - Eric S Mendelson
- University of Rochester Medical CenterDivision of Nephrology, 601 Elmwood Ave., Rochester, 14642 NY USA
| | - Valentina Cipolla
- University of Rochester Medical CenterDivision of Nephrology, 601 Elmwood Ave., Rochester, 14642 NY USA
| | - Juilee Thakar
- University of RochesterDepartment of Microbiology and Immunology, 601 Elmwood Ave - Box 672, Rochester, 14642 NY USA
- University of RochesterDepartment of Biostatistics and Computational Biology, 265 Crittenden Blvd., Rochester, 14642 NY USA
| | - Martin S Zand
- University of Rochester Medical CenterDivision of Nephrology, 601 Elmwood Ave., Rochester, 14642 NY USA
- University of RochesterClinical and Translational Science Institute, 265 Crittenden Blvd., Rochester, 14642 NY USA
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35
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Eckert N, Permanyer M, Yu K, Werth K, Förster R. Chemokines and other mediators in the development and functional organization of lymph nodes. Immunol Rev 2020; 289:62-83. [PMID: 30977201 DOI: 10.1111/imr.12746] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 01/22/2019] [Indexed: 12/28/2022]
Abstract
Secondary lymphoid organs like lymph nodes (LNs) are the main inductive sites for adaptive immune responses. Lymphocytes are constantly entering LNs, scanning the environment for their cognate antigen and get replenished by incoming cells after a certain period of time. As only a minor percentage of lymphocytes recognizes cognate antigen, this mechanism of permanent recirculation ensures fast and effective immune responses when necessary. Thus, homing, positioning, and activation as well as egress require precise regulation within LNs. In this review we discuss the mediators, including chemokines, cytokines, growth factors, and others that are involved in the formation of the LN anlage and subsequent functional organization of LNs. We highlight very recent findings in the fields of LN development, steady-state migration in LNs, and the intranodal processes during an adaptive immune response.
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Affiliation(s)
- Nadine Eckert
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Marc Permanyer
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Kai Yu
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Kathrin Werth
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Reinhold Förster
- Institute of Immunology, Hannover Medical School, Hannover, Germany.,Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
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36
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Dixit D, Okuniewska M, Schwab SR. Secrets and lyase: Control of sphingosine 1-phosphate distribution. Immunol Rev 2020; 289:173-185. [PMID: 30977198 DOI: 10.1111/imr.12760] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 03/05/2019] [Accepted: 03/09/2019] [Indexed: 12/26/2022]
Abstract
The signaling lipid sphingosine 1-phosphate (S1P) plays key roles in many physiological processes. In the immune system, S1P's best-described function is to draw cells out of tissues into circulation. Here, we will review models of S1P distribution in the thymus, lymph nodes, spleen, and nonlymphoid tissues. These models have been challenging to construct, because of the lack of tools to map lipid gradients. Nonetheless, evidence to date suggests that S1P distribution is exquisitely tightly controlled, and that concentrations of signaling-available S1P cannot be predicted by standard rules of thumb. The fine regulation of S1P gradients may explain how S1P can simultaneously direct multiple cell movements both between tissues and circulation and within tissues. It may also make it feasible to develop drugs that enable spatially specific modulation of S1P signaling.
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Affiliation(s)
- Dhaval Dixit
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York City, New York
| | - Martyna Okuniewska
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York City, New York
| | - Susan R Schwab
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York City, New York
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37
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Lu E, Cyster JG. G-protein coupled receptors and ligands that organize humoral immune responses. Immunol Rev 2020; 289:158-172. [PMID: 30977196 DOI: 10.1111/imr.12743] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 01/22/2019] [Indexed: 12/26/2022]
Abstract
B-cell responses are dynamic processes that depend on multiple types of interactions. Rare antigen-specific B cells must encounter antigen and specialized systems are needed-unique to each lymphoid tissue type-to ensure this happens efficiently. Lymphoid tissue barrier cells act to ensure that pathogens, while being permitted entry for B-cell recognition, are blocked from replication or dissemination. T follicular helper (Tfh) cells often need to be primed by dendritic cells before supporting B-cell responses. For most responses, antigen-specific helper T cells and B cells need to interact, first to initiate clonal expansion and the plasmablast response, and later to support the germinal center (GC) response. Newly formed plasma cells need to travel to supportive niches. GC B cells must become confined to the follicle center, organize into dark and light zones, and interact with Tfh cells. Memory B cells need to be positioned for rapid responses following reinfection. Each of these events requires the actions of multiple G-protein coupled receptors (GPCRs) and their ligands, including chemokines and lipid mediators. This review will focus on the guidance cue code underlying B-cell immunity, with an emphasis on findings from our laboratory and on newer advances in related areas. We will discuss our recent identification of geranylgeranyl-glutathione as a ligand for P2RY8. Our goal is to provide the reader with a focused knowledge about the GPCRs guiding B-cell responses and how they might be therapeutic targets, while also providing examples of how multiple types of GPCRs can cooperate or act iteratively to control cell behavior.
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Affiliation(s)
- Erick Lu
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California San Francisco, San Francisco, California
| | - Jason G Cyster
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California San Francisco, San Francisco, California
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38
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Hwang IY, Park C, Harrison K, Kehrl JH. Biased S1PR1 Signaling in B Cells Subverts Responses to Homeostatic Chemokines, Severely Disorganizing Lymphoid Organ Architecture. J Immunol 2019; 203:2401-2414. [PMID: 31548329 DOI: 10.4049/jimmunol.1900678] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 08/29/2019] [Indexed: 11/19/2022]
Abstract
Ligand-engaged chemoattractant receptors trigger Gαi subunit nucleotide exchange, stimulating the activation of downstream effector molecules. Activated chemoattractant receptors also dock G protein-coupled receptor kinases (GRKs) that help mediate receptor desensitization. In this study, we show that the B cell-specific loss of GRK2 severely disrupts B cell trafficking and immune cell homeostasis. The GRK2 deficiency in developing murine B cells leads to a severe immune phenotype, including a major reduction of bone marrow IgD+ cells, splenomegaly with a loss of white pulp and grossly expanded red pulp, a deficit of Peyer patches, and small lymph nodes with marked reductions in B cell numbers. The major phenotypes in these mice arise from excessive S1PR1 signaling combined with inadequate homeostatic chemokine receptor signaling. CXCL13 signaling is the most severely compromised. In B cells, our data also indicate that S1PR1 signals constitutively, as blocking S1PR1 signaling with an S1PR1 antagonist enhanced CXCL13-triggered wild-type B cell migration. Furthermore, blocking S1PR1 signaling in the GRK2-deficient B cells partially corrected their poor response to chemokines. Treating mice lacking GRK2 expression in their B cells with an S1PR1 antagonist partially normalized B cell trafficking into lymph node and splenic follicles. These findings reveal the critical interdependence of Gαi-linked signaling pathways in controlling B lymphocyte trafficking.
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Affiliation(s)
- Il-Young Hwang
- B Cell Molecular Immunology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Chung Park
- B Cell Molecular Immunology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Kathleen Harrison
- B Cell Molecular Immunology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - John H Kehrl
- B Cell Molecular Immunology Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
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39
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Nguyen DC, Joyner CJ, Sanz I, Lee FEH. Factors Affecting Early Antibody Secreting Cell Maturation Into Long-Lived Plasma Cells. Front Immunol 2019; 10:2138. [PMID: 31572364 PMCID: PMC6749102 DOI: 10.3389/fimmu.2019.02138] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
Antibody secreting cells (ASCs) are terminally differentiated cells of the humoral immune response and must adapt morphologically, transcriptionally, and metabolically to maintain high-rates of antibody (Ab) secretion. ASCs differentiate from activated B cells in lymph nodes and transiently circulate in the blood. Most of the circulating ASCs undergo apoptosis, but a small fraction of early ASCs migrate to the bone marrow (BM) and eventually mature into long-lived plasma cells (LLPCs). LLPC survival is controlled both intrinsically and extrinsically. Their differentiation and maintenance programs are governed by many intrinsic mechanisms involving anti-apoptosis, autophagy, and metabolism. The extrinsic factors involved in LLPC generation include BM stromal cells, cytokines, and chemokines, such as APRIL, IL-6, and CXCL12. In humans, the BM CD19−CD38hiCD138+ ASC subset is the main repository of LLPCs, and our recent development of an in vitro BM mimic provides essential tools to study environmental cues that support LLPC survival and the critical molecular mechanisms of maturation from early minted blood ASCs to LLPCs. In this review, we summarize the evidence of LLPC generation and maintenance and provide novel paradigms of LLPC maturation.
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Affiliation(s)
- Doan C Nguyen
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States
| | - Chester J Joyner
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States.,Yerkes National Primate Research Center, Emory University, Atlanta, GA, United States
| | - Iñaki Sanz
- Division of Rheumatology, Department of Medicine, Emory University, Atlanta, GA, United States.,Lowance Center for Human Immunology, Emory University, Atlanta, GA, United States
| | - F Eun-Hyung Lee
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States.,Lowance Center for Human Immunology, Emory University, Atlanta, GA, United States
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40
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Lindquist RL, Niesner RA, Hauser AE. In the Right Place, at the Right Time: Spatiotemporal Conditions Determining Plasma Cell Survival and Function. Front Immunol 2019; 10:788. [PMID: 31068930 PMCID: PMC6491733 DOI: 10.3389/fimmu.2019.00788] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 03/25/2019] [Indexed: 12/21/2022] Open
Abstract
Plasma cells (PCs), the B lineage cells responsible for producing and secreting antibodies (Abs), are critical cellular components of the humoral immune system. While most of the antibody-secreting cells in the body have a rather short lifetime of a few days, some of them can become long-lived and persist in the body over the entire life span of an individual. The majority of these long-lived plasma cells secretes protective antibodies against pathogens, and are thereby crucial for the humoral component of immunological memory. The generation of these protective antibody-secreting cells can be triggered by an exposure to pathogens, and also by vaccination. Although the majority of plasma cells are protective, sometimes long-lived plasma cells produce autoreactive antibodies, which contribute to the pathogenesis and perpetuation of chronic autoimmune diseases, including lupus erythematosus, rheumatoid arthritis, or multiple sclerosis. In order to promote the formation of protective antibody-secreting cells and to target pathogenic plasma cells, it is crucial to understand the signals which promote their longevity and allow them to exert their function. In recent years, it has become clear that plasma cells depend on extrinsic factors for their survival, leading to the concept that certain tissue microenvironments promote plasma cell retention and longevity. However, these niches are not static structures, but also have dynamic features with respect to their cellular composition. Here, we review what is known about the molecular and cellular composition of the niches, and discuss the impact of dynamic changes within these microenvironments on plasma cell function. As plasma cell metabolism is tightly linked to their function, we present new tools, which will allow us to analyze metabolic parameters in the plasma cell niches in vivo over time.
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Affiliation(s)
- Randall L Lindquist
- Immunodynamics, Deutsches Rheuma-Forschungszentrum Berlin, A Leibniz Institute, Berlin, Germany
| | - Raluca A Niesner
- Biophysical Analysis, Deutsches Rheuma-Forschungszentrum Berlin, A Leibniz Institute, Berlin, Germany.,Fachbereich Veterinärmedizin, Institute of Veterinary Physiology, Freie Universität Berlin, Berlin, Germany
| | - Anja E Hauser
- Immunodynamics, Deutsches Rheuma-Forschungszentrum Berlin, A Leibniz Institute, Berlin, Germany.,Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
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41
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Pérez-Mazliah D, Gardner PJ, Schweighoffer E, McLaughlin S, Hosking C, Tumwine I, Davis RS, Potocnik AJ, Tybulewicz VL, Langhorne J. Plasmodium-specific atypical memory B cells are short-lived activated B cells. eLife 2018; 7:39800. [PMID: 30387712 PMCID: PMC6242553 DOI: 10.7554/elife.39800] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 10/31/2018] [Indexed: 12/15/2022] Open
Abstract
A subset of atypical memory B cells accumulates in malaria and several infections, autoimmune disorders and aging in both humans and mice. It has been suggested these cells are exhausted long-lived memory B cells, and their accumulation may contribute to poor acquisition of long-lasting immunity to certain chronic infections, such as malaria and HIV. Here, we generated an immunoglobulin heavy chain knock-in mouse with a BCR that recognizes MSP1 of the rodent malaria parasite, Plasmodium chabaudi. In combination with a mosquito-initiated P. chabaudi infection, we show that Plasmodium-specific atypical memory B cells are short-lived and disappear upon natural resolution of chronic infection. These cells show features of activation, proliferation, DNA replication, and plasmablasts. Our data demonstrate that Plasmodium-specific atypical memory B cells are not a subset of long-lived memory B cells, but rather short-lived activated cells, and part of a physiologic ongoing B-cell response.
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Affiliation(s)
| | - Peter J Gardner
- MRC National Institute for Medical Research, London, United Kingdom
| | | | | | | | | | - Randall S Davis
- Department of Medicine, University of Alabama at Birmingham, Birmingham, United States.,Department of Microbiology, University of Alabama at Birmingham, Birmingham, United States.,Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, United States
| | - Alexandre J Potocnik
- School of Biological Sciences, The University of Edinburgh, Edinburgh, United Kingdom
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42
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Tellier J, Nutt SL. Plasma cells: The programming of an antibody‐secreting machine. Eur J Immunol 2018; 49:30-37. [DOI: 10.1002/eji.201847517] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Accepted: 09/28/2018] [Indexed: 01/03/2023]
Affiliation(s)
- Julie Tellier
- The Walter and Eliza Hall Institute of Medical Research Parkville Victoria Australia
- Department of Medical Biology University of Melbourne Parkville Victoria Australia
| | - Stephen L Nutt
- The Walter and Eliza Hall Institute of Medical Research Parkville Victoria Australia
- Department of Medical Biology University of Melbourne Parkville Victoria Australia
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43
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Andreani V, Ramamoorthy S, Pandey A, Lupar E, Nutt SL, Lämmermann T, Grosschedl R. Cochaperone Mzb1 is a key effector of Blimp1 in plasma cell differentiation and β1-integrin function. Proc Natl Acad Sci U S A 2018; 115:E9630-9. [PMID: 30257949 DOI: 10.1073/pnas.1809739115] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Antibody-secreting plasma cells are effectors of the humoral immune response. Transcription factor Blimp1 (Prdm1) is essential for the generation and function of plasma cells, and it regulates many genes, including Mzb1 (pERp1). Mzb1 protein is localized in the endoplasmic reticulum and acts as a cochaperone for the substrate-specific chaperone Grp94 (gp96). By the analysis of Mzb1−/−Prdm1+/gfp mice, we find that Mzb1 is required for T cell-independent immune responses and differentiation of plasma cells. In Mzb1−/−Prdm1+/gfp mice, we also observe impaired β1-integrin activation and trafficking of plasma cells to the bone marrow. Notably, we show that Mzb1 accounts for many of the Blimp1-associated downstream functions, suggesting that Mzb1 is a key effector of the Blimp1 regulatory network in plasma cells. Plasma cell differentiation involves coordinated changes in gene expression and functional properties of B cells. Here, we study the role of Mzb1, a Grp94 cochaperone that is expressed in marginal zone (MZ) B cells and during the terminal differentiation of B cells to antibody-secreting cells. By analyzing Mzb1−/−Prdm1+/gfp mice, we find that Mzb1 is specifically required for the differentiation and function of antibody-secreting cells in a T cell-independent immune response. We find that Mzb1-deficiency mimics, in part, the phenotype of Blimp1 deficiency, including the impaired secretion of IgM and the deregulation of Blimp1 target genes. In addition, we find that Mzb1−/− plasmablasts show a reduced activation of β1-integrin, which contributes to the impaired plasmablast differentiation and migration of antibody-secreting cells to the bone marrow. Thus, Mzb1 function is required for multiple aspects of plasma cell differentiation.
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44
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Pabst R. The bone marrow is not only a primary lymphoid organ: The critical role for T lymphocyte migration and housing of long‐term memory plasma cells. Eur J Immunol 2018; 48:1096-1100. [DOI: 10.1002/eji.201747392] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 01/31/2018] [Accepted: 05/18/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Reinhard Pabst
- ImmunmorphologyCentre of AnatomyMedical School Hannover Germany
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45
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Abstract
Success with B cell depletion using rituximab has proven the concept that B lineage cells represent a valid target for the treatment of autoimmune diseases, and has promoted the development of other B cell targeting agents. Present data confirm that B cell depletion is beneficial in various autoimmune disorders and also show that it can worsen the disease course in some patients. These findings suggest that B lineage cells not only produce pathogenic autoantibodies, but also significantly contribute to the regulation of inflammation. In this review, we will discuss the multiple pro- and anti-inflammatory roles of B lineage cells play in autoimmune diseases, in the context of recent findings using B lineage targeting therapies.
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Affiliation(s)
- Katharina Hofmann
- Institute for Systemic Inflammation Research, University of Luebeck, Luebeck, Schleswig-Holstein, Germany
| | - Ann-Katrin Clauder
- Institute for Systemic Inflammation Research, University of Luebeck, Luebeck, Schleswig-Holstein, Germany
| | - Rudolf Armin Manz
- Institute for Systemic Inflammation Research, University of Luebeck, Luebeck, Schleswig-Holstein, Germany
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46
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Kleinwort A, Lührs F, Heidecke CD, Lipp M, Schulze T. S1P Signalling Differentially Affects Migration of Peritoneal B Cell Populations In Vitro and Influences the Production of Intestinal IgA In Vivo. Int J Mol Sci 2018; 19:E391. [PMID: 29382132 DOI: 10.3390/ijms19020391] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/15/2018] [Accepted: 01/24/2018] [Indexed: 01/07/2023] Open
Abstract
Introduction: Sphingosine-1-phosphate (S1P) regulates the migration of follicular B cells (B2 cells) and directs the positioning of Marginal zone B cells (MZ B cells) within the spleen. The function of S1P signalling in the third B cell lineage, B1 B cells, mainly present in the pleural and peritoneal cavity, has not yet been determined. Methods: S1P receptor expression was analysed in peritoneal B cells by real-time polymerase chain reaction (qPCR). The chemotactic response to S1P was studied in vitro. The role of S1P signalling was further explored in a s1p4−/− mouse strain. Results: Peritoneal B cells expressed considerable amounts of the S1P receptors 1 and 4 (S1P1 and S1P4, respectively). S1P1 showed differential expression between the distinct peritoneal B cell lineages. While B2 cells showed no chemotactic response to S1P, B1 B cells showed a migration response to S1P. s1p4−/− mice displayed significant alterations in the composition of peritoneal B cell populations, as well as a significant reduction of mucosal immunoglobulin A (IgA) in the gut. Discussion: S1P signalling influences peritoneal B1 B cell migration. S1P4 deficiency alters the composition of peritoneal B cell populations and reduces secretory IgA levels. These findings suggest that S1P signalling may be a target to modulate B cell function in inflammatory intestinal pathologies.
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47
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Mohr M, Hose D, Seckinger A, Marciniak-Czochra A. Quantification of plasma cell dynamics using mathematical modelling. R Soc Open Sci 2018; 5:170759. [PMID: 29410799 PMCID: PMC5792876 DOI: 10.1098/rsos.170759] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 12/15/2017] [Indexed: 05/26/2023]
Abstract
Plasma cells (PCs) are the main antibody-producing cells in humans. They are long-lived so that specific antibodies against either pathogens or vaccines are produced for decades. PC longevity is attributed to specific areas within the bone marrow micro-environment, the so-called 'niche', providing the cells with required growth and survival factors. With antigen encounters, e.g. infection or vaccination, new PCs are generated and home to the bone marrow where they compete with resident PCs for the niche. We propose a parametrized mathematical model describing healthy PC dynamics in the bone marrow. The model accounts for competition for the niche between newly produced PCs owing to vaccination and resident PCs. Mathematical analysis and numerical simulations of the model allow explanation of the recovery of PC homoeostasis after a vaccine-induced perturbation, and the fraction of vaccine-specific PCs inside the niche. The model enables quantification of the niche-related dynamics of PCs, i.e. the duration of PC transition into the niche and the impact of different rates for PC transitions into and out of the niche on the observed cell dynamics. Ultimately, it provides a potential basis for further investigations in health and disease.
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Affiliation(s)
- Marcel Mohr
- Heidelberg University, Institute of Applied Mathematics, BIOQUANT and IWR, Heidelberg, Germany
- Heidelberg University Hospital, Medical Clinic V, Heidelberg, Germany
| | - Dirk Hose
- Heidelberg University Hospital, Medical Clinic V, Heidelberg, Germany
| | - Anja Seckinger
- Heidelberg University Hospital, Medical Clinic V, Heidelberg, Germany
| | - Anna Marciniak-Czochra
- Heidelberg University, Institute of Applied Mathematics, BIOQUANT and IWR, Heidelberg, Germany
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48
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Pelz A, Schaffert H, Diallo R, Hiepe F, Meisel A, Kohler S. S1P receptor antagonists fingolimod and siponimod do not improve the outcome of experimental autoimmune myasthenia gravis mice after disease onset. Eur J Immunol 2017; 48:498-508. [DOI: 10.1002/eji.201747187] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 10/30/2017] [Accepted: 11/28/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Andreas Pelz
- Department of Experimental Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
- Department of Rheumatology and Clinical Immunology; Charité - Universitätsmedizin Berlin; Berlin Germany
| | - Hanne Schaffert
- Department of Experimental Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
| | - Radharani Diallo
- Department of Experimental Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
| | - Falk Hiepe
- Department of Rheumatology and Clinical Immunology; Charité - Universitätsmedizin Berlin; Berlin Germany
| | - Andreas Meisel
- Department of Experimental Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
- Department of Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
- NeuroCure Clinical Research Center (NCRC); Charité - Universitätsmedizin Berlin; Berlin Germany
| | - Siegfried Kohler
- Department of Experimental Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
- Department of Neurology; Charité - Universitätsmedizin Berlin; Berlin Germany
- NeuroCure Clinical Research Center (NCRC); Charité - Universitätsmedizin Berlin; Berlin Germany
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49
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Defendenti C, Atzeni F, Malandrin S, Ardizzone S, Almasio PL, Saibeni S, Bezzio C, Bollani S, Salerno R, Declich P, Sarno Z, Bruno S, Talotta R, Sarzi-Puttini P. Anti-tumour necrosis factor-α antibodies and B cell homeostasis in human inflammatory bowel diseases. Int Immunopharmacol 2017; 54:329-335. [PMID: 29197269 DOI: 10.1016/j.intimp.2017.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 11/05/2017] [Accepted: 11/12/2017] [Indexed: 02/05/2023]
Abstract
BACKGROUND The expression of CD70 on T cells is greatly enhanced by antigen-presenting cell (APC)-associated signals, such as tumour necrosis factor(TNF)-α, which is constitutionally high in patients with inflammatory bowel disease (IBD). Experimentally, the chronic activation of CD27 as a result of the constitutive expression of CD70 leads to the demise of B cells in bone marrow (BM) and the secondary lymphoid organs. The aim of this study was to assess the number and phenotype of circulating B cell in untreated IBD patients and their counterparts treated with biological anti-TNF drugs. METHODS The study involved 13 untreated IBD patients, 36 IBD patients treated with biological drugs, and 10 healthy controls. The B cell phenotypes were assessed by means of flow cytometry using monoclonal antibodies specific for CD20, CD19, CD3, CD27 and CD43. In order to evaluate B cell development in bone marrow and peripheral B cell activation, we identified four B cell subsets: hematogones (HBs: CD20+19+3-27-43+), memory B cells (MBs: CD20+19+3-27+43-), pre-plasmablasts (PPBs: CD20+19+3-27+43+), and plasmablasts (PBs: CD20-19+3-27+43+). RESULTS The total number of B cells in the untreated patients was three times lower than that in the patients treated with biological drug (p<0.001), and half that in the healthy controls (p=0.03). The between-group differences (including the healthy donors) were statistically significant in the case of HBs and MBs, but not in the case of PPBs and PBs. Only one treated patient showed a transiently large increase in PPBs. There were statistically significant differences in all of the parameters between the untreated patients and those receiving biological therapy, and in some cases between the untreated patients and healthy controls, but never between the controls and the treated patients. Four non-responders to anti-TNF therapy had a smaller number of total circulating B cells than the untreated patients. CONCLUSIONS Anti-TNF drugs disinhibit B cell production in IBD patients, but maintain the constant homeostasis of circulating B cells. The presence of individual variations may allow the activity of anti-TNF drugs to be monitored by studying B cell subgroups.
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Affiliation(s)
| | | | - Sergio Malandrin
- Microbiology and Virology Unit, ASST Ospedale San Gerardo, Monza, Italy
| | - Sandro Ardizzone
- Division of Gastroenterology, ASST Fatebenefratelli Sacco Buzzi, Milan, Italy
| | - Piero Luigi Almasio
- Biomedical Department of Internal and Specialized Medicine (DI.BI.M.I.S.), University of Palermo, Palermo, Italy
| | - Simone Saibeni
- Division of Gastroenterology, Guido Salvini Hospital, Rho, Italy
| | - Cristina Bezzio
- Division of Gastroenterology, Guido Salvini Hospital, Rho, Italy
| | - Simona Bollani
- Division of Gastroenterology, ASST Fatebenefratelli Sacco Buzzi, Milan, Italy
| | - Raffaele Salerno
- Division of Gastroenterology, ASST Fatebenefratelli Sacco Buzzi, Milan, Italy
| | - Paolo Declich
- Division of Pathology, ASST della Valtellina e dell'Alto Lario, Sondrio, Italy
| | - Zoe Sarno
- Laboratory, ASST Fatebenefratelli Sacco Buzzi, Milan, Italy
| | | | - Rossella Talotta
- Rheumatology Unit, ASST Fatebenefratelli Sacco Buzzi, Milan, Italy
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50
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Luque S, Lúcia M, Bestard O. Refinement of humoral immune monitoring in kidney transplantation: the role of “hidden” alloreactive memory B cells. Transpl Int 2017; 30:955-968. [DOI: 10.1111/tri.13014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 06/07/2017] [Accepted: 07/20/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Sergi Luque
- Experimental Nephrology Laboratory; IDIBELL; Barcelona Spain
| | - Marc Lúcia
- Experimental Nephrology Laboratory; IDIBELL; Barcelona Spain
- Transplant Immunology; Stanford School of Medicine; Stanford CA USA
| | - Oriol Bestard
- Experimental Nephrology Laboratory; IDIBELL; Barcelona Spain
- Kidney Transplant Unit; Nephrology Department; Bellvitge University Hospital; Barcelona University; Barcelona Spain
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