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Zheng LY, Duan Y, He PY, Wu MY, Wei ST, Du XH, Yao RQ, Yao YM. Dysregulated dendritic cells in sepsis: functional impairment and regulated cell death. Cell Mol Biol Lett 2024; 29:81. [PMID: 38816685 PMCID: PMC11140885 DOI: 10.1186/s11658-024-00602-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
Sepsis is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. Studies have indicated that immune dysfunction plays a central role in the pathogenesis of sepsis. Dendritic cells (DCs) play a crucial role in the emergence of immune dysfunction in sepsis. The major manifestations of DCs in the septic state are abnormal functions and depletion in numbers, which are linked to higher mortality and vulnerability to secondary infections in sepsis. Apoptosis is the most widely studied pathway of number reduction in DCs. In the past few years, there has been a surge in studies focusing on regulated cell death (RCD). This emerging field encompasses various forms of cell death, such as necroptosis, pyroptosis, ferroptosis, and autophagy-dependent cell death (ADCD). Regulation of DC's RCD can serve as a possible therapeutic focus for the treatment of sepsis. Throughout time, numerous tactics have been devised and effectively implemented to improve abnormal immune response during sepsis progression, including modifying the functions of DCs and inhibiting DC cell death. In this review, we provide an overview of the functional impairment and RCD of DCs in septic states. Also, we highlight recent advances in targeting DCs to regulate host immune response following septic challenge.
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Affiliation(s)
- Li-Yu Zheng
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yu Duan
- Department of Critical Care Medicine, Affiliated Chenzhou Hospital (the First People's Hospital of Chenzhou), Southern Medical University, Chenzhou, 423000, China
| | - Peng-Yi He
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Meng-Yao Wu
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Shu-Ting Wei
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Xiao-Hui Du
- Department of General Surgery, The First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
| | - Ren-Qi Yao
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
- Department of General Surgery, The First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
| | - Yong-Ming Yao
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
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2
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Cheang NYZ, Tan KS, Tan PS, Purushotorma K, Yap WC, Tullett KM, Chua BYL, Yeoh AYY, Tan CQH, Qian X, Chen H, Tay DJW, Caminschi I, Tan YJ, Macary PA, Tan CW, Lahoud MH, Alonso S. Single-shot dendritic cell targeting SARS-CoV-2 vaccine candidate induces broad, durable and protective systemic and mucosal immunity in mice. Mol Ther 2024:S1525-0016(24)00304-6. [PMID: 38715364 DOI: 10.1016/j.ymthe.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 04/06/2024] [Accepted: 05/03/2024] [Indexed: 05/20/2024] Open
Abstract
Current coronavirus disease 2019 vaccines face limitations including waning immunity, immune escape by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants, limited cellular response, and poor mucosal immunity. We engineered a Clec9A-receptor binding domain (RBD) antibody construct that delivers the SARS-CoV-2 RBD to conventional type 1 dendritic cells. Compared with non-targeting approaches, single dose immunization in mice with Clec9A-RBD induced far higher RBD-specific antibody titers that were sustained for up to 21 months after vaccination. Uniquely, increasing neutralizing and antibody-dependent cytotoxicity activities across the sarbecovirus family was observed, suggesting antibody affinity maturation over time. Consistently and remarkably, RBD-specific follicular T helper cells and germinal center B cells persisted up to 12 months after immunization. Furthermore, Clec9A-RBD immunization induced a durable mono- and poly-functional T-helper 1-biased cellular response that was strongly cross-reactive against SARS-CoV-2 variants of concern, including Omicron subvariants, and with a robust CD8+ T cell signature. Uniquely, Clec9A-RBD single-shot systemic immunization effectively primed RBD-specific cellular and humoral immunity in lung and resulted in significant protection against homologous SARS-CoV-2 challenge as evidenced by limited body weight loss and approximately 2 log10 decrease in lung viral loads compared with non-immunized controls. Therefore, Clec9A-RBD immunization has the potential to trigger robust and sustained, systemic and mucosal protective immunity against rapidly evolving SARS-CoV2 variants.
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Affiliation(s)
- Nicholas You Zhi Cheang
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Kai Sen Tan
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Biosafety Level 3 Core Facility, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Peck Szee Tan
- Monash Biomedicine Discovery Institute & Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Kiren Purushotorma
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore; Immunology Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Wee Chee Yap
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Kirsteen McInnes Tullett
- Monash Biomedicine Discovery Institute & Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Benson Yen Leong Chua
- Immunology Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Aileen Ying-Yan Yeoh
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Caris Qi Hui Tan
- Histology Core Facility, Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore
| | - Xinlei Qian
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore; Immunology Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Huixin Chen
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Biosafety Level 3 Core Facility, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Douglas Jie Wen Tay
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Biosafety Level 3 Core Facility, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Irina Caminschi
- Monash Biomedicine Discovery Institute & Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia; Department of Microbiology and Immunology, Peter Doherty Institute, The University of Melbourne, Melbourne, VIC, Australia
| | - Yee Joo Tan
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Paul Anthony Macary
- Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore; Immunology Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Chee Wah Tan
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mireille Hanna Lahoud
- Monash Biomedicine Discovery Institute & Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Sylvie Alonso
- Infectious Diseases Translational Research Programme, Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Immunology Programme, Life Sciences Institute, National University of Singapore, Singapore, Singapore.
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3
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Whitehill GD, Joy J, Marino FE, Krause R, Mallick S, Courtney H, Park K, Carey J, Hoh R, Hartig H, Pae V, Sarvadhavabhatla S, Donaire S, Deeks SG, Lynch RM, Lee SA, Bar KJ. Autologous neutralizing antibody responses after antiretroviral therapy in acute and early HIV-1. J Clin Invest 2024; 134:e176673. [PMID: 38652564 PMCID: PMC11142743 DOI: 10.1172/jci176673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 04/09/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUNDEarly antiretroviral therapy initiation (ARTi) in HIV-1 restricts reservoir size and diversity while preserving immune function, potentially improving opportunities for immunotherapeutic cure strategies. For antibody-based cure approaches, the development of autologous neutralizing antibodies (anAbs) after acute/early ARTi is relevant but is poorly understood.METHODSWe characterized antibody responses in a cohort of 23 participants following ARTi in acute HIV (<60 days after acquisition) and early HIV (60-128 days after acquisition).RESULTSPlasma virus sequences at the time of ARTi revealed evidence of escape from anAbs after early, but not acute, ARTi. HIV-1 envelopes representing the transmitted/founder virus(es) (acute ARTi) or escape variants (early ARTi) were tested for sensitivity to longitudinal plasma IgG. After acute ARTi, no anAb responses developed over months to years of suppressive ART. In 2 of the 3 acute ARTi participants who experienced viremia after ARTi, however, anAbs arose shortly thereafter. After early ARTi, anAbs targeting those early variants developed between 12 and 42 weeks of ART and continued to increase in breadth and potency thereafter.CONCLUSIONResults indicate a threshold of virus replication (~60 days) required to induce anAbs, after which they continue to expand on suppressive ART to better target the range of reservoir variants.TRIAL REGISTRATIONClinicalTrials.gov NCT02656511.FUNDINGNIH grants U01AI169767, R01AI162646, UM1AI164570, UM1AI164560, U19AI096109, K23GM112526, T32AI118684, P30AI045008, P30AI027763, R24AI067039; Gilead Sciences grant INUS2361354; Viiv Healthcare grant A126326.
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Affiliation(s)
| | - Jaimy Joy
- Department of Medicine, Division of Infectious Disease, and
| | | | - Ryan Krause
- Department of Medicine, Division of Infectious Disease, and
| | | | | | - Kyewon Park
- Center for AIDS Research, Virus and Reservoirs Technology Core, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - John Carey
- Center for AIDS Research, Virus and Reservoirs Technology Core, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Rebecca Hoh
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Heather Hartig
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Vivian Pae
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Sannidhi Sarvadhavabhatla
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Sophia Donaire
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Steven G. Deeks
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Rebecca M. Lynch
- Department of Microbiology, Immunology, and Tropical Medicine, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
| | - Sulggi A. Lee
- Department of Medicine, Division of HIV, Infectious Diseases & Global Medicine, UCSF, San Francisco, California, USA
| | - Katharine J. Bar
- Department of Medicine, Division of Infectious Disease, and
- Center for AIDS Research, Virus and Reservoirs Technology Core, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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4
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Marquez-Martinez S, Salisch N, Serroyen J, Zahn R, Khan S. Peak transgene expression after intramuscular immunization of mice with adenovirus 26-based vector vaccines correlates with transgene-specific adaptive immune responses. PLoS One 2024; 19:e0299215. [PMID: 38626093 PMCID: PMC11020485 DOI: 10.1371/journal.pone.0299215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 02/07/2024] [Indexed: 04/18/2024] Open
Abstract
Non-replicating adenovirus-based vectors have been broadly used for the development of prophylactic vaccines in humans and are licensed for COVID-19 and Ebola virus disease prevention. Adenovirus-based vectored vaccines encode for one or more disease specific transgenes with the aim to induce protective immunity against the target disease. The magnitude and duration of transgene expression of adenovirus 5- based vectors (human type C) in the host are key factors influencing antigen presentation and adaptive immune responses. Here we characterize the magnitude, duration, and organ biodistribution of transgene expression after single intramuscular administration of adenovirus 26-based vector vaccines in mice and evaluate the differences with adenovirus 5-based vector vaccine to understand if this is universally applicable across serotypes. We demonstrate a correlation between peak transgene expression early after adenovirus 26-based vaccination and transgene-specific cellular and humoral immune responses for a model antigen and SARS-CoV-2 spike protein, independent of innate immune activation. Notably, the memory immune response was similar in mice immunized with adenovirus 26-based vaccine and adenovirus 5-based vaccine, despite the latter inducing a higher peak of transgene expression early after immunization and a longer duration of transgene expression. Together these results provide further insights into the mode of action of adenovirus 26-based vector vaccines.
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Affiliation(s)
| | - Nadine Salisch
- Janssen Vaccines & Prevention B.V, Leiden, CN, The Netherlands
| | - Jan Serroyen
- Janssen Vaccines & Prevention B.V, Leiden, CN, The Netherlands
| | - Roland Zahn
- Janssen Vaccines & Prevention B.V, Leiden, CN, The Netherlands
| | - Selina Khan
- Janssen Vaccines & Prevention B.V, Leiden, CN, The Netherlands
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5
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Krimpenfort LT, Degn SE, Heesters BA. The follicular dendritic cell: At the germinal center of autoimmunity? Cell Rep 2024; 43:113869. [PMID: 38431843 DOI: 10.1016/j.celrep.2024.113869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/09/2024] [Accepted: 02/10/2024] [Indexed: 03/05/2024] Open
Abstract
Autoimmune diseases strain healthcare systems worldwide as their incidence rises, and current treatments put patients at risk for infections. An increased understanding of autoimmune diseases is required to develop targeted therapies that do not impair normal immune function. Many autoimmune diseases present with autoantibodies, which drive local or systemic inflammation. This indicates the presence of autoreactive B cells that have escaped tolerance. An important step in the development of autoreactive B cells is the germinal center (GC) reaction, where they undergo affinity maturation toward cognate self-antigen. Follicular dendritic cells (FDCs) perform the essential task of antigen presentation to B cells during the affinity maturation process. However, in recent years, it has become clear that FDCs play a much more active role in regulation of GC processes. Here, we evaluate the biology of FDCs in the context of autoimmune disease, with the goal of informing future therapeutic strategies.
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Affiliation(s)
- Luc T Krimpenfort
- Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, the Netherlands
| | - Søren E Degn
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Balthasar A Heesters
- Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, the Netherlands.
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6
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Doan TA, Forward TS, Schafer JB, Lucas ED, Fleming I, Uecker-Martin A, Ayala E, Guthmiller JJ, Hesselberth JR, Morrison TE, Tamburini BAJ. Immunization-induced antigen archiving enhances local memory CD8+ T cell responses following an unrelated viral infection. NPJ Vaccines 2024; 9:66. [PMID: 38514656 PMCID: PMC10957963 DOI: 10.1038/s41541-024-00856-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 02/29/2024] [Indexed: 03/23/2024] Open
Abstract
Antigens from viruses or immunizations can persist or are archived in lymph node stromal cells such as lymphatic endothelial cells (LEC) and fibroblastic reticular cells (FRC). Here, we find that, during the time frame of antigen archiving, LEC apoptosis caused by a second, but unrelated, innate immune stimulus such as vaccina viral infection or CpG DNA administration resulted in cross-presentation of archived antigens and boosted memory CD8 + T cells specific to the archived antigen. In contrast to "bystander" activation associated with unrelated infections, the memory CD8 + T cells specific to the archived antigen from the immunization were significantly higher than memory CD8 + T cells of a different antigen specificity. Finally, the boosted memory CD8 + T cells resulted in increased protection against Listeria monocytogenes expressing the antigen from the immunization, but only for the duration that the antigen was archived. These findings outline an important mechanism by which lymph node stromal cell archived antigens, in addition to bystander activation, can augment memory CD8 + T cell responses during repeated inflammatory insults.
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Affiliation(s)
- Thu A Doan
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, CO, USA
- Immunology Graduate Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - Tadg S Forward
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Johnathon B Schafer
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Erin D Lucas
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, CO, USA
- Immunology Graduate Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - Ira Fleming
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, CO, USA
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, CO, USA
- Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, CO, USA
| | - Aspen Uecker-Martin
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - Edgardo Ayala
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Jenna J Guthmiller
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Jay R Hesselberth
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - Thomas E Morrison
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Beth A Jirón Tamburini
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, CO, USA.
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO, USA.
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7
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Stevenson FK, Forconi F. The essential microenvironmental role of oligomannoses specifically inserted into the antigen-binding sites of lymphoma cells. Blood 2024; 143:1091-1100. [PMID: 37992212 DOI: 10.1182/blood.2023022703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/27/2023] [Accepted: 10/29/2023] [Indexed: 11/24/2023] Open
Abstract
ABSTRACT There are 2 mandatory features added sequentially en route to classical follicular lymphoma (FL): first, the t(14;18) translocation, which upregulates BCL2, and second, the introduction of sequence motifs into the antigen-binding sites of the B-cell receptor (BCR), to which oligomannose-type glycan is added. Further processing of the glycan is blocked by complementarity-determining region-specific steric hindrance, leading to exposure of mannosylated immunoglobulin (Ig) to the microenvironment. This allows for interaction with the local lectin, dendritic cell-specific ICAM-3-grabbing nonintegrin (DC-SIGN), expressed by tissue macrophages and follicular dendritic cells. The major function of DC-SIGN is to engage pathogens, but this is subverted by FL cells. DC-SIGN induces tumor-specific low-level BCR signaling in FL cells and promotes membrane changes with increased adhesion to VCAM-1 via proximal kinases and actin regulators but, in contrast to engagement by anti-Ig, avoids endocytosis and apoptosis. These interactions appear mandatory for the early development of FL, before the acquisition of other accelerating mutations. BCR-associated mannosylation can be found in a subset of germinal center B-cell-like diffuse large B-cell lymphoma with t(14;18), tracking these cases back to FL. This category was associated with more aggressive behavior: both FL and transformed cases and, potentially, a significant number of cases of Burkitt lymphoma, which also has sites for N-glycan addition, could benefit from antibody-mediated blockade of the interaction with DC-SIGN.
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Affiliation(s)
- Freda K Stevenson
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Francesco Forconi
- School of Cancer Sciences, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
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8
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Syeda MZ, Hong T, Huang C, Huang W, Mu Q. B cell memory: from generation to reactivation: a multipronged defense wall against pathogens. Cell Death Discov 2024; 10:117. [PMID: 38453885 PMCID: PMC10920759 DOI: 10.1038/s41420-024-01889-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/09/2024] Open
Abstract
Development of B cell memory is a conundrum that scientists are still exploring. Studies have been conducted in vitro and using advanced animal models to elucidate the mechanism underlying the generation of memory B cells (MBCs), the precise roles of MBCs against pathogens, and their protective functions against repeated infections throughout life. Lifelong immunity against invading diseases is mainly the result of overcoming a single infection. This protection is largely mediated by the two main components of B cell memory-MBCs and long-lived plasma cells (PCs). The chemical and cellular mechanisms that encourage fat selection for MBCs or long-lived PCs are an area of active research. Despite the fact that nearly all available vaccinations rely on the capacity to elicit B-cell memory, we have yet to develop successful vaccines that can induce broad-scale protective MBCs against some of the deadliest diseases, including malaria and AIDS. A deeper understanding of the specific cellular and molecular pathways that govern the generation, function, and reactivation of MBCs is critical for overcoming the challenges associated with vaccine development. Here, we reviewed literature on the development of MBCs and their reactivation, interaction with other cell types, strategies against invading pathogens, and function throughout life and discussed the recent advances regarding the key signals and transcription factors which regulate B cell memory and their relevance to the quest for vaccine development.
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Affiliation(s)
- Madiha Zahra Syeda
- The People's Hospital of Gaozhou, Guangdong Medical University, Maoming, 525200, China
- School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
| | - Tu Hong
- The First Affiliated Hospital, Zhejiang University, School of Medicine, 310058, Hangzhou, China
| | - Chunming Huang
- The People's Hospital of Gaozhou, Guangdong Medical University, Maoming, 525200, China.
| | - Wenhua Huang
- School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China.
| | - Qingchun Mu
- The People's Hospital of Gaozhou, Guangdong Medical University, Maoming, 525200, China.
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9
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Hernández-Barranco A, Santos V, Mazariegos MS, Caleiras E, Nogués L, Mourcin F, Léonard S, Oblet C, Genebrier S, Rossille D, Benguría A, Sanz A, Vázquez E, Dopazo A, Efeyan A, Ortega-Molina A, Cogne M, Tarte K, Peinado H. NGFR regulates stromal cell activation in germinal centers. Cell Rep 2024; 43:113705. [PMID: 38307025 DOI: 10.1016/j.celrep.2024.113705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/30/2023] [Accepted: 01/09/2024] [Indexed: 02/04/2024] Open
Abstract
Nerve growth factor receptor (NGFR) is expressed by follicular dendritic cells (FDCs). However, the role of NGFR in the humoral response is not well defined. Here, we study the effect of Ngfr loss on lymph node organization and function, demonstrating that Ngfr depletion leads to spontaneous germinal center (GC) formation and an expansion of the GC B cell compartment. In accordance with this effect, stromal cells are altered in Ngfr-/- mice with a higher frequency of FDCs, characterized by CD21/35, MAdCAM-1, and VCAM-1 overexpression. GCs are located ectopically in Ngfr-/- mice, with lost polarization together with impaired high-affinity antibody production and an increase in circulating autoantibodies. We observe higher levels of autoantibodies in Bcl2 Tg/Ngfr-/- mice, concomitant with a higher incidence of autoimmunity and lower overall survival. Our work shows that NGFR is involved in maintaining GC structure and function, participating in GC activation, antibody production, and immune tolerance.
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Affiliation(s)
- Alberto Hernández-Barranco
- Microenvironment and Metastasis Laboratory, Molecular Oncology Program, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Vanesa Santos
- Microenvironment and Metastasis Laboratory, Molecular Oncology Program, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Marina S Mazariegos
- Microenvironment and Metastasis Laboratory, Molecular Oncology Program, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain; Liver Injury and Inflammation Laboratory, Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, 28040 Madrid, Spain
| | - Eduardo Caleiras
- Histopathology Unit, Biotechnology Program, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Laura Nogués
- Microenvironment and Metastasis Laboratory, Molecular Oncology Program, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain
| | - Frédéric Mourcin
- UMR U1236, University Rennes, INSERM, EFS Bretagne, Equipe Labellisée Ligue Contre le Cancer, 35000 Rennes, France
| | - Simon Léonard
- UMR U1236, University Rennes, INSERM, EFS Bretagne, Equipe Labellisée Ligue Contre le Cancer, 35000 Rennes, France
| | - Christelle Oblet
- Immunology Department, Faculty of Medicine, Limoges University, CNRS Umr 7276, Inserm U1262, 87000 Limoges, France
| | - Steve Genebrier
- UMR U1236, University Rennes, INSERM, EFS Bretagne, Equipe Labellisée Ligue Contre le Cancer, 35000 Rennes, France
| | - Delphine Rossille
- UMR U1236, University Rennes, INSERM, EFS Bretagne, Equipe Labellisée Ligue Contre le Cancer, 35000 Rennes, France; SITI Lab, Pôle Biologie, CHU Rennes, 35000 Rennes, France
| | - Alberto Benguría
- Genomic Unit, Spanish National Cardiovascular Research, Carlos III, 28029 Madrid, Spain
| | - Alba Sanz
- Metabolism and Cell Signaling Laboratory, Molecular Oncology Program, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain
| | - Enrique Vázquez
- Genomic Unit, Spanish National Cardiovascular Research, Carlos III, 28029 Madrid, Spain
| | - Ana Dopazo
- Genomic Unit, Spanish National Cardiovascular Research, Carlos III, 28029 Madrid, Spain
| | - Alejo Efeyan
- Metabolism and Cell Signaling Laboratory, Molecular Oncology Program, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain
| | - Ana Ortega-Molina
- Metabolism and Cell Signaling Laboratory, Molecular Oncology Program, Spanish National Cancer Research Centre (CNIO), 28029 Madrid, Spain; Metabolism in Cancer and Ageing Laboratory, Immune System and Function Department, Centro de Biología Molecular "Severo Ochoa" (CMBSO-CSIC), Madrid 28049, Spain
| | - Michel Cogne
- UMR U1236, University Rennes, INSERM, EFS Bretagne, Equipe Labellisée Ligue Contre le Cancer, 35000 Rennes, France
| | - Karin Tarte
- UMR U1236, University Rennes, INSERM, EFS Bretagne, Equipe Labellisée Ligue Contre le Cancer, 35000 Rennes, France; SITI Lab, Pôle Biologie, CHU Rennes, 35000 Rennes, France
| | - Héctor Peinado
- Microenvironment and Metastasis Laboratory, Molecular Oncology Program, Spanish National Cancer Research Center (CNIO), 28029 Madrid, Spain.
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10
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Uderhardt S, Neag G, Germain RN. Dynamic Multiplex Tissue Imaging in Inflammation Research. ANNUAL REVIEW OF PATHOLOGY 2024; 19:43-67. [PMID: 37722698 DOI: 10.1146/annurev-pathmechdis-070323-124158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Inflammation is a highly dynamic process with immune cells that continuously interact with each other and parenchymal components as they migrate through tissue. The dynamic cellular responses and interaction patterns are a function of the complex tissue environment that cannot be fully reconstructed ex vivo, making it necessary to assess cell dynamics and changing spatial patterning in vivo. These dynamics often play out deep within tissues, requiring the optical focus to be placed far below the surface of an opaque organ. With the emergence of commercially available two-photon excitation lasers that can be combined with existing imaging systems, new avenues for imaging deep tissues over long periods of time have become available. We discuss a selected subset of studies illustrating how two-photon microscopy (2PM) has helped to relate the dynamics of immune cells to their in situ function and to understand the molecular patterns that govern their behavior in vivo. We also review some key practical aspects of 2PM methods and point out issues that can confound the results, so that readers can better evaluate the reliability of conclusions drawn using this technology.
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Affiliation(s)
- Stefan Uderhardt
- Department of Medicine 3-Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
- Exploratory Research Unit, Optical Imaging Competence Centre, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Georgiana Neag
- Department of Medicine 3-Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
- Exploratory Research Unit, Optical Imaging Competence Centre, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Ronald N Germain
- Lymphocyte Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
- Center for Advanced Tissue Imaging (CAT-I), National Institute of Allergy and Infectious Diseases and National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA;
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11
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Aung A, Irvine DJ. Modulating Antigen Availability in Lymphoid Organs to Shape the Humoral Immune Response to Vaccines. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:171-178. [PMID: 38166252 PMCID: PMC10768795 DOI: 10.4049/jimmunol.2300500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/06/2023] [Indexed: 01/04/2024]
Abstract
Primary immune responses following vaccination are initiated in draining lymph nodes, where naive T and B cells encounter Ag and undergo coordinated steps of activation. For humoral immunity, the amount of Ag present over time, its localization to follicles and follicular dendritic cells, and the Ag's structural state all play important roles in determining the subsequent immune response. Recent studies have shown that multiple elements of vaccine design can impact Ag availability in lymphoid tissues, including the choice of adjuvant, physical form of the immunogen, and dosing kinetics. These vaccine design elements affect the transport of Ag to lymph nodes, Ag's localization in the tissue, the duration of Ag availability, and the structural integrity of the Ag. In this review, we discuss these findings and their implications for engineering more effective vaccines, particularly for difficult to neutralize pathogens.
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Affiliation(s)
- Aereas Aung
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Darrell J. Irvine
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
- Howard Hughes Medical Institute, Cambridge, MA, USA
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
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12
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M. S. Barron A, Fabre T, De S. Distinct fibroblast functions associated with fibrotic and immune-mediated inflammatory diseases and their implications for therapeutic development. F1000Res 2024; 13:54. [PMID: 38681509 PMCID: PMC11053351 DOI: 10.12688/f1000research.143472.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/28/2023] [Indexed: 05/01/2024] Open
Abstract
Fibroblasts are ubiquitous cells that can adopt many functional states. As tissue-resident sentinels, they respond to acute damage signals and shape the earliest events in fibrotic and immune-mediated inflammatory diseases. Upon sensing an insult, fibroblasts produce chemokines and growth factors to organize and support the response. Depending on the size and composition of the resulting infiltrate, these activated fibroblasts may also begin to contract or relax thus changing local stiffness within the tissue. These early events likely contribute to the divergent clinical manifestations of fibrotic and immune-mediated inflammatory diseases. Further, distinct changes to the cellular composition and signaling dialogue in these diseases drive progressive fibroblasts specialization. In fibrotic diseases, fibroblasts support the survival, activation and differentiation of myeloid cells, granulocytes and innate lymphocytes, and produce most of the pathogenic extracellular matrix proteins. Whereas, in immune-mediated inflammatory diseases, sequential accumulation of dendritic cells, T cells and B cells programs fibroblasts to support local, destructive adaptive immune responses. Fibroblast specialization has clear implications for the development of effective induction and maintenance therapies for patients with these clinically distinct diseases.
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Affiliation(s)
- Alexander M. S. Barron
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
| | - Thomas Fabre
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
| | - Saurav De
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
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13
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Morgun E, Zhu J, Almunif S, Bobbala S, Aguilar MS, Wang J, Conner K, Cui Y, Cao L, Seshadri C, Scott EA, Wang CR. Vaccination with mycobacterial lipid loaded nanoparticle leads to lipid antigen persistence and memory differentiation of antigen-specific T cells. eLife 2023; 12:RP87431. [PMID: 37877801 PMCID: PMC10599656 DOI: 10.7554/elife.87431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) infection elicits both protein and lipid antigen-specific T cell responses. However, the incorporation of lipid antigens into subunit vaccine strategies and formulations has been underexplored, and the characteristics of vaccine-induced Mtb lipid-specific memory T cells have remained elusive. Mycolic acid (MA), a major lipid component of the Mtb cell wall, is presented by human CD1b molecules to unconventional T cell subsets. These MA-specific CD1b-restricted T cells have been detected in the blood and disease sites of Mtb-infected individuals, suggesting that MA is a promising lipid antigen for incorporation into multicomponent subunit vaccines. In this study, we utilized the enhanced stability of bicontinuous nanospheres (BCN) to efficiently encapsulate MA for in vivo delivery to MA-specific T cells, both alone and in combination with an immunodominant Mtb protein antigen (Ag85B). Pulmonary administration of MA-loaded BCN (MA-BCN) elicited MA-specific T cell responses in humanized CD1 transgenic mice. Simultaneous delivery of MA and Ag85B within BCN activated both MA- and Ag85B-specific T cells. Notably, pulmonary vaccination with MA-Ag85B-BCN resulted in the persistence of MA, but not Ag85B, within alveolar macrophages in the lung. Vaccination of MA-BCN through intravenous or subcutaneous route, or with attenuated Mtb likewise reproduced MA persistence. Moreover, MA-specific T cells in MA-BCN-vaccinated mice differentiated into a T follicular helper-like phenotype. Overall, the BCN platform allows for the dual encapsulation and in vivo activation of lipid and protein antigen-specific T cells and leads to persistent lipid depots that could offer long-lasting immune responses.
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Affiliation(s)
- Eva Morgun
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Jennifer Zhu
- Department of Biomedical Engineering, Northwestern UniversityEvanstonUnited States
| | - Sultan Almunif
- Department of Biomedical Engineering, Northwestern UniversityEvanstonUnited States
| | - Sharan Bobbala
- Department of Biomedical Engineering, Northwestern UniversityEvanstonUnited States
| | - Melissa S Aguilar
- Department of Medicine, University of Washington School of MedicineSeattleUnited States
| | - Junzhong Wang
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Kathleen Conner
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Yongyong Cui
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Liang Cao
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Chetan Seshadri
- Department of Medicine, University of Washington School of MedicineSeattleUnited States
| | - Evan A Scott
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Chyung-Ru Wang
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
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14
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Tamburini B, Doan T, Forward T, Lucas E, Fleming I, Uecker-Martin A, Hesselberth J, Morrison T. Vaccine-induced antigen archiving enhances local memory CD8+ T cell responses following an unrelated viral infection. RESEARCH SQUARE 2023:rs.3.rs-3307809. [PMID: 37841845 PMCID: PMC10571600 DOI: 10.21203/rs.3.rs-3307809/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Viral and vaccine antigens persist or are archived in lymph node stromal cells (LNSC) such as lymphatic endothelial cells (LEC) and fibroblastic reticular cells (FRC). Here, we find that, during the time frame of antigen archiving, LEC apoptosis caused by a second, but unrelated, innate immune stimulus such as vaccina viral infection or CpG DNA administration boosted memory CD8+ T cells specific to the archived antigen. In contrast to "bystander" activation associated with unrelated infections, the memory CD8+ T cells specific to the vaccine archived antigen were significantly higher than memory CD8+ T cells of a different antigen specificity. Finally, the boosted memory CD8+ T cells resulted in increased protection against Listeria monocytogenes expressing the vaccine antigen, but only for the duration that the vaccine antigen was archived. These findings outline a novel mechanism by which LNSC archived antigens, in addition to bystander activation, can augment memory CD8+ T cell responses during repeated inflammatory insults.
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Affiliation(s)
| | - Thu Doan
- University of Colorado Anschutz Medical Campus
| | | | - Erin Lucas
- University of Colorado Anschutz Medical Campus
| | - Ira Fleming
- University of Colorado Anschutz Medical Campus
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15
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García-Sánchez M, Castro M, Faro J. B cell receptors and free antibodies have different antigen-binding kinetics. Proc Natl Acad Sci U S A 2023; 120:e2220669120. [PMID: 37616223 PMCID: PMC10469035 DOI: 10.1073/pnas.2220669120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 07/21/2023] [Indexed: 08/26/2023] Open
Abstract
Since the pioneering works of Berg and Purcell, discriminating between diffusion followed by binding has played a central role in understanding cell signaling. B cell receptors (BCR) and antibodies (Ab) challenge that simplified view as binding to the antigen follows after a chain of diffusion and rotations, including whole molecule rotation and independent tilts and twists of their Fab arms due to their Y-shaped structure and flexibility. In this paper, we combine analytical calculations with Brownian simulations to derive the first-passage times due to these three rotations positioning the Fab paratopes at a proper distance and orientation required for antigen binding. Our results indicate that when measuring Ab-Ag effective kinetic binding rates, using experimental methods in which the analyte is in solution only gives values proportional to the intrinsic binding rates, [Formula: see text], and [Formula: see text], for values of [Formula: see text] up to [Formula: see text]. Beyond that, a plateau of the effective 3D on rate between [Formula: see text] and [Formula: see text] is attained. Additionally, for BCR-Ag interactions, the effective 2D on and off binding rates can only be inferred from the corresponding effective 3D on and off rates for values of effective 3D on rates lower than [Formula: see text]. This is highly relevant when trying to relate BCR-antigen-binding strength and B cell response, especially during germinal center reactions. Therefore, there is a pressing need to reexamine our current understanding of the BCR-antigen kinetic rates in germinal centers using the latest experimental assays for BCR-Ag interactions.
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Affiliation(s)
- Miguel García-Sánchez
- Instituto de Investigación Tecnológica and Grupo Interdisciplinar de Sistemas Complejos, Universidad Pontificia Comillas, MadridE28015, Spain
| | - Mario Castro
- Instituto de Investigación Tecnológica and Grupo Interdisciplinar de Sistemas Complejos, Universidad Pontificia Comillas, MadridE28015, Spain
| | - José Faro
- Area of Immunology, Faculty of Biology, and Centro de Investigaciones Biomédicas (Biomedical Research Center), Universidade de Vigo, Vigo36310, Spain
- Instituto Gulbenkian de Ciência, Oeiras2781-901, Portugal
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16
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Ung T, Rutledge NS, Weiss AM, Esser-Kahn AP, Deak P. Cell-targeted vaccines: implications for adaptive immunity. Front Immunol 2023; 14:1221008. [PMID: 37662903 PMCID: PMC10468591 DOI: 10.3389/fimmu.2023.1221008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023] Open
Abstract
Recent advancements in immunology and chemistry have facilitated advancements in targeted vaccine technology. Targeting specific cell types, tissue locations, or receptors can allow for modulation of the adaptive immune response to vaccines. This review provides an overview of cellular targets of vaccines, suggests methods of targeting and downstream effects on immune responses, and summarizes general trends in the literature. Understanding the relationships between vaccine targets and subsequent adaptive immune responses is critical for effective vaccine design. This knowledge could facilitate design of more effective, disease-specialized vaccines.
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Affiliation(s)
- Trevor Ung
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, United States
| | - Nakisha S. Rutledge
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, United States
| | - Adam M. Weiss
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, United States
| | - Aaron P. Esser-Kahn
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, United States
| | - Peter Deak
- Chemical and Biological Engineering Department, Drexel University, Philadelphia, PA, United States
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17
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Matz H, Dooley H. 450 million years in the making: mapping the evolutionary foundations of germinal centers. Front Immunol 2023; 14:1245704. [PMID: 37638014 PMCID: PMC10450919 DOI: 10.3389/fimmu.2023.1245704] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 07/25/2023] [Indexed: 08/29/2023] Open
Abstract
Germinal centers (GCs) are distinct microanatomical structures that form in the secondary lymphoid organs of endothermic vertebrates (i.e., mammals and some birds). Within GCs, B cells undergo a Darwinian selection process to identify clones which can respond to pathogen insult as well as affinity mature the B cell repertoire. The GC response ultimately generates memory B cells and bone marrow plasma cells which facilitate humoral immunological memory, the basis for successful vaccination programs. GCs have not been observed in the secondary lymphoid organs of ectothermic jawed vertebrates (i.e., fishes, reptiles, and amphibians). However, abundant research over the past decades has indicated these organisms can produce antigen specific B cell responses and some degree of affinity maturation. This review examines data demonstrating that the fundamentals of B cell selection may be more conserved across vertebrate phylogeny than previously anticipated. Further, research in both conventional mammalian model systems and comparative models raises the question of what evolutionary benefit GCs provide endotherms if they are seemingly unnecessary for generating the basic functional components of jawed vertebrate humoral adaptive immune responses.
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18
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Matz HC, McIntire KM, Ellebedy AH. 'Persistent germinal center responses: slow-growing trees bear the best fruits'. Curr Opin Immunol 2023; 83:102332. [PMID: 37150126 PMCID: PMC10829534 DOI: 10.1016/j.coi.2023.102332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/06/2023] [Accepted: 04/09/2023] [Indexed: 05/09/2023]
Abstract
Germinal centers (GCs) are key microanatomical sites in lymphoid organs where responding B cells mature and undergo affinity-based selection. The duration of the GC reaction has long been assumed to be relatively brief, but recent studies in humans, nonhuman primates, and mice indicate that GCs can last for weeks to months after initial antigen exposure. This review examines recent studies investigating the factors that influence GC duration, including antigen persistence, T-follicular helper cells, and mode of immunization. Potential mechanisms for how persistent GCs influence the B-cell repertoire are considered. Overall, these studies provide a blueprint for how to design better vaccines that elicit persistent GC responses.
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Affiliation(s)
- Hanover C Matz
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA
| | - Katherine M McIntire
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA
| | - Ali H Ellebedy
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA; Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, St. Louis, MO, USA; The Andrew M. and Jane M. Bursky Center for Human Immunology & Immunotherapy Programs, USA.
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19
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Tonouchi K, Adachi Y, Suzuki T, Kuroda D, Nishiyama A, Yumoto K, Takeyama H, Suzuki T, Hashiguchi T, Takahashi Y. Structural basis for cross-group recognition of an influenza virus hemagglutinin antibody that targets postfusion stabilized epitope. PLoS Pathog 2023; 19:e1011554. [PMID: 37556494 PMCID: PMC10411744 DOI: 10.1371/journal.ppat.1011554] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/11/2023] [Indexed: 08/11/2023] Open
Abstract
Plasticity of influenza virus hemagglutinin (HA) conformation increases an opportunity to generate conserved non-native epitopes with unknown functionality. Here, we have performed an in-depth analysis of human monoclonal antibodies against a stem-helix region that is occluded in native prefusion yet exposed in postfusion HA. A stem-helix antibody, LAH31, provided IgG Fc-dependent cross-group protection by targeting a stem-helix kinked loop epitope, with a unique structure emerging in the postfusion state. The structural analysis and molecular modeling revealed key contact sites responsible for the epitope specificity and cross-group breadth that relies on somatically mutated light chain. LAH31 was inaccessible to the native prefusion HA expressed on cell surface; however, it bound to the HA structure present on infected cells with functional linkage to the Fc-mediated clearance. Our study uncovers a novel non-native epitope that emerges in the postfusion HA state, highlighting the utility of this epitope for a broadly protective antigen design.
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Affiliation(s)
- Keisuke Tonouchi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku, Tokyo, Japan
| | - Yu Adachi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
| | - Tateki Suzuki
- Laboratory of Medical Virology, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Daisuke Kuroda
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
| | - Ayae Nishiyama
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
- Laboratory of Precision Immunology, Center for Intractable Diseases and ImmunoGenomics research, National Institutes of Biomedical Innovation, Health and Nutrition; Saito-Asagi, Ibaraki City, Osaka, Japan
| | - Kohei Yumoto
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
| | - Haruko Takeyama
- Department of Life Science and Medical Bioscience, Waseda University, Shinjuku, Tokyo, Japan
- Computational Bio Big-Data Open Innovation Laboratory (CBBD-OIL), National Institute of Advanced Industrial Science and Technology, Shinjuku, Tokyo, Japan
- Research Organization for Nano and Life Innovation, Waseda University, Shinjuku, Tokyo, Japan
- Institute for Advanced Research of Biosystem Dynamics, Waseda Research Institute for Science and Engineering, Waseda University, Shinjuku, Tokyo, Japan
| | - Tadaki Suzuki
- Department of Pathology, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
| | - Takao Hashiguchi
- Laboratory of Medical Virology, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Shinjuku, Tokyo, Japan
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20
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Martínez-Riaño A, Wang S, Boeing S, Minoughan S, Casal A, Spillane KM, Ludewig B, Tolar P. Long-term retention of antigens in germinal centers is controlled by the spatial organization of the follicular dendritic cell network. Nat Immunol 2023; 24:1281-1294. [PMID: 37443283 PMCID: PMC7614842 DOI: 10.1038/s41590-023-01559-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 06/13/2023] [Indexed: 07/15/2023]
Abstract
Germinal centers (GCs) require sustained availability of antigens to promote antibody affinity maturation against pathogens and vaccines. A key source of antigens for GC B cells are immune complexes (ICs) displayed on follicular dendritic cells (FDCs). Here we show that FDC spatial organization regulates antigen dynamics in the GC. We identify heterogeneity within the FDC network. While the entire light zone (LZ) FDC network captures ICs initially, only the central cells of the network function as the antigen reservoir, where different antigens arriving from subsequent immunizations colocalize. Mechanistically, central LZ FDCs constitutively express subtly higher CR2 membrane densities than peripheral LZ FDCs, which strongly increases the IC retention half-life. Even though repeated immunizations gradually saturate central FDCs, B cell responses remain efficient because new antigens partially displace old ones. These results reveal the principles shaping antigen display on FDCs during the GC reaction.
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Affiliation(s)
- Ana Martínez-Riaño
- Immune Receptor Activation Laboratory, The Francis Crick Institute, London, UK
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, London, UK
| | - Shenshen Wang
- Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, CA, USA
| | - Stefan Boeing
- Bioinformatics and Biostatistics Science Technology Platform, The Francis Crick Institute, London, UK
| | - Sophie Minoughan
- Immune Receptor Activation Laboratory, The Francis Crick Institute, London, UK
| | - Antonio Casal
- Immune Receptor Activation Laboratory, The Francis Crick Institute, London, UK
| | - Katelyn M Spillane
- Department of Physics, King's College London, London, UK
- Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK
| | - Burkhard Ludewig
- Institute of Immunobiology, Medical Research Center, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Pavel Tolar
- Immune Receptor Activation Laboratory, The Francis Crick Institute, London, UK.
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, London, UK.
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21
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Matz H, Taylor RS, Redmond AK, Hill TM, Ruiz Daniels R, Beltran M, Henderson NC, Macqueen DJ, Dooley H. Organized B cell sites in cartilaginous fishes reveal the evolutionary foundation of germinal centers. Cell Rep 2023; 42:112664. [PMID: 37342909 PMCID: PMC10529500 DOI: 10.1016/j.celrep.2023.112664] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 02/28/2023] [Accepted: 06/04/2023] [Indexed: 06/23/2023] Open
Abstract
The absence of germinal centers (GCs) in cartilaginous fishes lies at odds with data showing that nurse sharks can produce robust antigen-specific responses and affinity mature their B cell repertoires. To investigate this apparent incongruity, we performed RNA sequencing on single nuclei, allowing us to characterize the cell types present in the nurse shark spleen, and RNAscope to provide in situ cellular resolution of key marker gene expression following immunization with R-phycoerythrin (PE). We tracked PE to the splenic follicles where it co-localizes with CXCR5high centrocyte-like B cells and a population of putative T follicular helper (Tfh) cells, surrounded by a peripheral ring of Ki67+ AID+ CXCR4+ centroblast-like B cells. Further, we reveal selection of mutations in B cell clones dissected from these follicles. We propose that the B cell sites identified here represent the evolutionary foundation of GCs, dating back to the jawed vertebrate ancestor.
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Affiliation(s)
- Hanover Matz
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Institute of Marine and Environmental Technology, Baltimore, MD, USA
| | - Richard S Taylor
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Anthony K Redmond
- Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland
| | - Thomas M Hill
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Institute of Marine and Environmental Technology, Baltimore, MD, USA
| | - Rose Ruiz Daniels
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Mariana Beltran
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh, UK
| | - Neil C Henderson
- Centre for Inflammation Research, The Queen's Medical Research Institute, Edinburgh BioQuarter, University of Edinburgh, Edinburgh, UK; MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Daniel J Macqueen
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK
| | - Helen Dooley
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Institute of Marine and Environmental Technology, Baltimore, MD, USA.
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22
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Morgun E, Zhu J, Almunif S, Bobbala S, Aguilar MS, Wang J, Conner K, Cui Y, Cao L, Seshadri C, Scott EA, Wang CR. Vaccination with mycobacterial lipid loaded nanoparticle leads to lipid antigen persistence and memory differentiation of antigen-specific T cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.07.531489. [PMID: 36945395 PMCID: PMC10028924 DOI: 10.1101/2023.03.07.531489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Mycobacterium tuberculosis (Mtb) infection elicits both protein and lipid antigen-specific T cell responses. However, the incorporation of lipid antigens into subunit vaccine strategies and formulations has been underexplored, and the characteristics of vaccine-induced Mtb lipid-specific memory T cells have remained elusive. Mycolic acid (MA), a major lipid component of the Mtb cell wall, is presented by human CD1b molecules to unconventional T cell subsets. These MA-specific CD1b-restricted T cells have been detected in the blood and disease sites of Mtb-infected individuals, suggesting that MA is a promising lipid antigen for incorporation into multicomponent subunit vaccines. In this study, we utilized the enhanced stability of bicontinuous nanospheres (BCN) to efficiently encapsulate MA for in vivo delivery to MA-specific T cells, both alone and in combination with an immunodominant Mtb protein antigen (Ag85B). Pulmonary administration of MA-loaded BCN (MA-BCN) elicited MA-specific T cell responses in humanized CD1 transgenic mice. Simultaneous delivery of MA and Ag85B within BCN activated both MA- and Ag85B-specific T cells. Notably, pulmonary vaccination with MA-Ag85B-BCN resulted in the persistence of MA, but not Ag85B, within alveolar macrophages in the lung. Vaccination of MA-BCN through intravenous or subcutaneous route, or with attenuated Mtb likewise reproduced MA persistence. Moreover, MA-specific T cells in MA-BCN-vaccinated mice differentiated into a T follicular helper-like phenotype. Overall, the BCN platform allows for the dual encapsulation and in vivo activation of lipid and protein antigen-specific T cells and leads to persistent lipid depots that could offer long-lasting immune responses.
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Affiliation(s)
- Eva Morgun
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jennifer Zhu
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - Sultan Almunif
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - Sharan Bobbala
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - Melissa S. Aguilar
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Junzhong Wang
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Kathleen Conner
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Yongyong Cui
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Liang Cao
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Chetan Seshadri
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Evan A. Scott
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - Chyung-Ru Wang
- Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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23
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Boudreau CM, Burke JS, Roederer AL, Gorman MJ, Mundle S, Lingwood D, Delagrave S, Sridhar S, Ross TM, Kleanthous H, Alter G. Pre-existing Fc profiles shape the evolution of neutralizing antibody breadth following influenza vaccination. Cell Rep Med 2023; 4:100975. [PMID: 36921600 PMCID: PMC10040413 DOI: 10.1016/j.xcrm.2023.100975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 12/08/2022] [Accepted: 02/19/2023] [Indexed: 03/16/2023]
Abstract
Under the ever-present threat of a pandemic influenza strain, the evolution of a broadly reactive, neutralizing, functional, humoral immune response may hold the key to protection against both circulating and emerging influenza strains. We apply a systems approach to profile hemagglutinin- and neuraminidase-specific humoral signatures that track with the evolution of broad immunity in a cohort of vaccinated individuals and validate these findings in a second longitudinal cohort. Multivariate analysis reveals the presence of a unique pre-existing Fcγ-receptor-binding antibody profile in individuals that evolved broadly reactive hemagglutination inhibition activity (HAI), marked by the presence of elevated levels of pre-existing FCGR2B-binding antibodies. Moreover, vaccination with FCGR2B-binding antibody-opsonized influenza results in enhanced antibody titers and HAI activity in a murine model. Together, these data suggest that pre-existing FCGR2B binding antibodies are a key correlate of the evolution of broadly protective influenza-specific antibodies, providing insight for the design of next-generation influenza vaccines.
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Affiliation(s)
- Carolyn M Boudreau
- PhD Program in Virology, Division of Medical Sciences, Harvard University, Boston, MA 02115, USA; Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - John S Burke
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Alexander L Roederer
- PhD Program in Virology, Division of Medical Sciences, Harvard University, Boston, MA 02115, USA; Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Matthew J Gorman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Sophia Mundle
- Discovery North America, Sanofi-Pasteur, Inc., Cambridge, MA 02139, USA
| | - Daniel Lingwood
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Saranya Sridhar
- Discovery North America, Sanofi-Pasteur, Inc., Cambridge, MA 02139, USA
| | - Ted M Ross
- University of Georgia, Athens, GA 30602, USA
| | | | - Galit Alter
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA.
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24
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Kalia A, Hickman HD. A vaccine sanctuary in the lymph node. Science 2023; 379:332-333. [PMID: 36701470 DOI: 10.1126/science.adf5134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
B cell follicles in the lymph node protect vaccines to enhance immune responses.
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Affiliation(s)
- Anurag Kalia
- Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Heather D Hickman
- Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
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25
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Aung A, Cui A, Maiorino L, Amini AP, Gregory JR, Bukenya M, Zhang Y, Lee H, Cottrell CA, Morgan DM, Silva M, Suh H, Kirkpatrick JD, Amlashi P, Remba T, Froehle LM, Xiao S, Abraham W, Adams J, Love JC, Huyett P, Kwon DS, Hacohen N, Schief WR, Bhatia SN, Irvine DJ. Low protease activity in B cell follicles promotes retention of intact antigens after immunization. Science 2023; 379:eabn8934. [PMID: 36701450 PMCID: PMC10041875 DOI: 10.1126/science.abn8934] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 12/14/2022] [Indexed: 01/27/2023]
Abstract
The structural integrity of vaccine antigens is critical to the generation of protective antibody responses, but the impact of protease activity on vaccination in vivo is poorly understood. We characterized protease activity in lymph nodes and found that antigens were rapidly degraded in the subcapsular sinus, paracortex, and interfollicular regions, whereas low protease activity and antigen degradation rates were detected in the vicinity of follicular dendritic cells (FDCs). Correlated with these findings, immunization regimens designed to target antigen to FDCs led to germinal centers dominantly targeting intact antigen, whereas traditional immunizations led to much weaker responses that equally targeted the intact immunogen and antigen breakdown products. Thus, spatially compartmentalized antigen proteolysis affects humoral immunity and can be exploited.
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Affiliation(s)
- Aereas Aung
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Ang Cui
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Harvard-MIT Division of Health Sciences and Technology, MIT, Cambridge, MA, USA
| | - Laura Maiorino
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Ava P. Amini
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Harvard-MIT Division of Health Sciences and Technology, MIT, Cambridge, MA, USA
- Program in Biophysics, Harvard University, Boston, MA, USA
- Microsoft Research New England, Cambridge, MA, USA
| | - Justin R. Gregory
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Maurice Bukenya
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Yiming Zhang
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Heya Lee
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Christopher A. Cottrell
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
| | - Duncan M. Morgan
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Murillo Silva
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Heikyung Suh
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Jesse D. Kirkpatrick
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Harvard-MIT Division of Health Sciences and Technology, MIT, Cambridge, MA, USA
| | - Parastoo Amlashi
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Tanaka Remba
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Leah M. Froehle
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
| | - Shuhao Xiao
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Wuhbet Abraham
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Josetta Adams
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - J. Christopher Love
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
| | - Phillip Huyett
- Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear Infirmary and Harvard Medical School, Boston, MA, USA
| | - Douglas S. Kwon
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
| | - Nir Hacohen
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - William R. Schief
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
- Dept. of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
| | - Sangeeta N. Bhatia
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Harvard-MIT Division of Health Sciences and Technology, MIT, Cambridge, MA, USA
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
- Wyss Institute at Harvard, Boston, MA, USA
- Howard Hughes Medical Institute, Cambridge, MA, USA
| | - Darrell J. Irvine
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
- Howard Hughes Medical Institute, Cambridge, MA, USA
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
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26
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Cousin VN, Perez GF, Payne KJ, Voll RE, Rizzi M, Mueller CG, Warnatz K. Lymphoid stromal cells - potential implications for the pathogenesis of CVID. Front Immunol 2023; 14:1122905. [PMID: 36875120 PMCID: PMC9982092 DOI: 10.3389/fimmu.2023.1122905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/03/2023] [Indexed: 02/19/2023] Open
Abstract
Non-hematopoietic lymphoid stromal cells (LSC) maintain lymph node architecture and form niches allowing the migration, activation, and survival of immune cells. Depending on their localization in the lymph node, these cells display heterogeneous properties and secrete various factors supporting the different activities of the adaptive immune response. LSCs participate in the transport of antigen from the afferent lymph as well as in its delivery into the T and B cell zones and organize cell migration via niche-specific chemokines. While marginal reticular cells (MRC) are equipped for initial B-cell priming and T zone reticular cells (TRC) provide the matrix for T cell-dendritic cell interactions within the paracortex, germinal centers (GC) only form when both T- and B cells successfully interact at the T-B border and migrate within the B-cell follicle containing the follicular dendritic cell (FDC) network. Unlike most other LSCs, FDCs are capable of presenting antigen via complement receptors to B cells, which then differentiate within this niche and in proximity to T follicular helper (TFH) cells into memory and plasma cells. LSCs are also implicated in maintenance of peripheral immune tolerance. In mice, TRCs induce the alternative induction of regulatory T cells instead of TFH cells by presenting tissue-restricted self-antigens to naïve CD4 T cells via MHC-II expression. This review explores potential implications of our current knowledge of LSC populations regarding the pathogenesis of humoral immunodeficiency and autoimmunity in patients with autoimmune disorders or common variable immunodeficiency (CVID), the most common form of primary immunodeficiency in humans.
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Affiliation(s)
- Victoria N Cousin
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,University of Freiburg, Faculty of Biology, Freiburg, Germany.,Freiburg Spemann Graduate School of Biology and Medicine (SGBM), Albert Ludwigs University Freiburg, Faculty of Biology, Freiburg, Germany
| | - Guillermo F Perez
- Immunologie, Immunopathologie et Chimie Thérapeutique, CNRS UPR3572, Strasbourg, France.,Faculty of Life Science, University of Strasbourg, Strasbourg, France
| | - Kathryn J Payne
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,University of Freiburg, Faculty of Biology, Freiburg, Germany
| | - Reinhard E Voll
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Marta Rizzi
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Clinical and Experimental Immunology, Institute of Immunology, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Christopher G Mueller
- Immunologie, Immunopathologie et Chimie Thérapeutique, CNRS UPR3572, Strasbourg, France.,Faculty of Life Science, University of Strasbourg, Strasbourg, France
| | - Klaus Warnatz
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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27
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Zhang FP, Zhu K, Zhu TF, Liu CQ, Zhang HH, Xu LB, Xiao G, Liu C. Intra-Tumoral Secondary Follicle-like Tertiary Lymphoid Structures Are Associated with a Superior Prognosis of Overall Survival of Perihilar Cholangiocarcinoma. Cancers (Basel) 2022; 14:cancers14246107. [PMID: 36551593 PMCID: PMC9776022 DOI: 10.3390/cancers14246107] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/07/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Ectopic lymphoid structures termed tertiary lymphoid structures (TLSs) have an immunomodulatory function and positively affect prognosis in certain cancers. However, their clinical relevance and prognostic utility in perihilar cholangiocarcinoma (pCCA) are unknown. Therefore, determining the involvement and prognostic utility of TLSs in pCCA is the aim of this study. Ninety-three patients with surgically resected pCCA were included retrospectively. Hematoxylin and eosin and immunohistochemical staining identified and classified the TLSs, and multiplex immunofluorescence determined the TLS composition in the pCCA sample. The correlations between clinical features and TLSs were analyzed using either Fisher's exact test or the Chi-squared test. Recurrence-free survival (RFS) and overall survival (OS) correlations with TLSs were analyzed using Cox regression and Kaplan-Meier analyses. We identified TLSs in 86% of patients with pCCA, including lymphoid aggregates (6.45%), primary (13.98%) and secondary follicles (65.59%). Patients with intra-tumoral secondary follicle-like TLSs (S-TLSs) had better OS (p = 0.003) and RFS (p = 0.0313). The multivariate analysis identified the presence of S-TLSs as a good independent prognostic indicator for OS but not for RFS. Interestingly, the presence of S-TLS only indicated better 5-year OS in 54 patients without lymph node metastasis (LNM-, p = 0.0232) but not in the 39 patients with lymph node metastasis (LNM+, p = 0.1244). Intra-tumoral S-TLSs predicted longer OS in patients with surgically resected pCCA, suggesting intra-tumoral S-TLSs' contribution to effective antitumor immunity and that S-TLSs hold promise for diagnostic and therapeutic development in pCCA.
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Affiliation(s)
- Fa-Peng Zhang
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Ke Zhu
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Tai-Feng Zhu
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Chao-Qun Liu
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Department of Pathology, Guangdong Provincial People’s Hospital, Academy of Medical Sciences, Guangzhou 510080, China
| | - Hong-Hua Zhang
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Lei-Bo Xu
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Gang Xiao
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Department of Thoracic Surgery, Guangzhou First People’s Hospital, South China University of Technology, Guangzhou 510180, China
- Correspondence: (G.X.); (C.L.); Tel.: +86-20-81048236 (G.X.); +86-20-34078840 (C.L.)
| | - Chao Liu
- Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Department of Biliary-Pancreatic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Correspondence: (G.X.); (C.L.); Tel.: +86-20-81048236 (G.X.); +86-20-34078840 (C.L.)
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28
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Arulraj T, Binder SC, Meyer-Hermann M. Antibody Mediated Intercommunication of Germinal Centers. Cells 2022; 11:cells11223680. [PMID: 36429109 PMCID: PMC9688628 DOI: 10.3390/cells11223680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/25/2022] [Accepted: 11/15/2022] [Indexed: 11/22/2022] Open
Abstract
Antibody diversification and selection of B cells occur in dynamic structures called germinal centers (GCs). Passively administered soluble antibodies regulate the GC response by masking the antigen displayed on follicular dendritic cells (FDCs). This suggests that GCs might intercommunicate via naturally produced soluble antibodies, but the role of such GC-GC interactions is unknown. In this study, we performed in silico simulations of interacting GCs and predicted that intense interactions by soluble antibodies limit the magnitude and lifetime of GC responses. With asynchronous GC onset, we observed a higher inhibition of late formed GCs compared to early ones. We also predicted that GC-GC interactions can lead to a bias in the epitope recognition even in the presence of equally dominant epitopes due to differences in founder cell composition or initiation timing of GCs. We show that there exists an optimal range for GC-GC interaction strength that facilitates the affinity maturation towards an incoming antigenic variant during an ongoing GC reaction. These findings suggest that GC-GC interactions might be a contributing factor to the unexplained variability seen among individual GCs and a critical factor in the modulation of GC response to antigenic variants during viral infections.
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Affiliation(s)
- Theinmozhi Arulraj
- Department of Systems Immunology, Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, 38106 Braunschweig, Germany
| | - Sebastian C. Binder
- Department of Systems Immunology, Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, 38106 Braunschweig, Germany
| | - Michael Meyer-Hermann
- Department of Systems Immunology, Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, 38106 Braunschweig, Germany
- Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, 38106 Braunschweig, Germany
- Correspondence:
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29
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Piccioli D, Alfini R, Monaci V, Arato V, Carducci M, Aruta MG, Rossi O, Necchi F, Anemona A, Bartolini E, Micoli F. Antigen presentation by Follicular Dendritic cells to cognate B cells is pivotal for Generalised Modules for Membrane Antigens (GMMA) immunogenicity. Vaccine 2022; 40:6305-6314. [PMID: 36137901 DOI: 10.1016/j.vaccine.2022.09.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 08/26/2022] [Accepted: 09/09/2022] [Indexed: 01/27/2023]
Abstract
GMMA has been proposed as a potent technology platform for the design of safe, effective and affordable vaccines. As GMMA are vesicles blebbing out of the outer membrane of Gram-negative bacteria, they contain lipopolysaccharides, lipoproteins and peptidoglycans that stimulate immune cells via Toll-like Receptors 4 (TLR4) or TLR2. Being basically nanoparticles, GMMA can be efficiently captured by Follicular Dendritic Cells (FDC) for antigen presentation to cognate B cells. GMMA have shown to be highly immunogenic in preclinical and clinical studies and the engagement of TLR4 and TLR2 or antigen presentation by FDC may have a prominent role in GMMA immunogenicity, which is well worth investigating. By using GMMA derived from Shigella sonnei and Salmonella Typhimurium, we show for the first time that the antigen presentation by FDC to cognate B cells plays a major role in the induction of an effective humoral immune response upon immunization with GMMA by using both models. The engagement of TLR4 is critical to elicit an optimal antibody production, but its effect on antibody functionality is dependent on GMMA type and is dispensable when immunizing with Alum adjuvant, whereas TLR2 does not have any role for GMMA immunogenicity. Our findings represent a substantial advancement of the knowledge on GMMA mode of action and shed a light on novel perspectives for the design of safer and more effective GMMA-based vaccines. ONE SENTENCE SUMMARY: The study demonstrated that the antigen presentation by FDC to cognate B cells plays a major role for GMMA immunogenicity.
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Affiliation(s)
| | - Renzo Alfini
- GSK Vaccine Institute for Global Health (GVGH), Siena, Italy
| | | | - Vanessa Arato
- GSK Vaccine Institute for Global Health (GVGH), Siena, Italy
| | | | | | - Omar Rossi
- GSK Vaccine Institute for Global Health (GVGH), Siena, Italy
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30
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Chappert P, Huetz F, Espinasse MA, Chatonnet F, Pannetier L, Da Silva L, Goetz C, Mégret J, Sokal A, Crickx E, Nemazanyy I, Jung V, Guerrera C, Storck S, Mahévas M, Cosma A, Revy P, Fest T, Reynaud CA, Weill JC. Human anti-smallpox long-lived memory B cells are defined by dynamic interactions in the splenic niche and long-lasting germinal center imprinting. Immunity 2022; 55:1872-1890.e9. [PMID: 36130603 PMCID: PMC7613742 DOI: 10.1016/j.immuni.2022.08.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/22/2022] [Accepted: 08/26/2022] [Indexed: 12/31/2022]
Abstract
Memory B cells (MBCs) can persist for a lifetime, but the mechanisms that allow their long-term survival remain poorly understood. Here, we isolated and analyzed human splenic smallpox/vaccinia protein B5-specific MBCs in individuals who were vaccinated more than 40 years ago. Only a handful of clones persisted over such an extended period, and they displayed limited intra-clonal diversity with signs of extensive affinity-based selection. These long-lived MBCs appeared enriched in a CD21hiCD20hi IgG+ splenic B cell subset displaying a marginal-zone-like NOTCH/MYC-driven signature, but they did not harbor a unique longevity-associated transcriptional or metabolic profile. Finally, the telomeres of B5-specific, long-lived MBCs were longer than those in patient-paired naive B cells in all the samples analyzed. Overall, these results imply that separate mechanisms such as early telomere elongation, affinity selection during the contraction phase, and access to a specific niche contribute to ensuring the functional longevity of MBCs.
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Affiliation(s)
- Pascal Chappert
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Inovarion, Paris, France; Institut Mondor de Recherche Biomédicale (IMRB), INSERM U955, équipe 2, Université Paris-Est Créteil (UPEC), Créteil, France.
| | - François Huetz
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Institut Pasteur, Université Paris Cité, Unité Anticorps en thérapie et pathologie, UMR 1222 INSERM, Paris, France
| | - Marie-Alix Espinasse
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Fabrice Chatonnet
- Université de Rennes 1, INSERM, Établissement Français du Sang de Bretagne, UMR_S1236, Rennes, France; Laboratoire d'Hématologie, Pôle de Biologie, Centre Hospitalier Universitaire, Rennes, France
| | - Louise Pannetier
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Lucie Da Silva
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Clara Goetz
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Jérome Mégret
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Aurélien Sokal
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Etienne Crickx
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Service de Médecine Interne, Centre Hospitalier Universitaire Henri Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Ivan Nemazanyy
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Vincent Jung
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Chiara Guerrera
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Sébastien Storck
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Matthieu Mahévas
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Institut Mondor de Recherche Biomédicale (IMRB), INSERM U955, équipe 2, Université Paris-Est Créteil (UPEC), Créteil, France; Service de Médecine Interne, Centre Hospitalier Universitaire Henri Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Antonio Cosma
- Translational Medicine Operations Hub, National Cytometry Platform, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
| | - Patrick Revy
- INSERM UMR 1163, Laboratory of Genome Dynamics in the Immune System, Labellisé Ligue Nationale contre le Cancer, Imagine Institute, Université Paris Cité, Paris, France
| | - Thierry Fest
- Université de Rennes 1, INSERM, Établissement Français du Sang de Bretagne, UMR_S1236, Rennes, France; Laboratoire d'Hématologie, Pôle de Biologie, Centre Hospitalier Universitaire, Rennes, France
| | - Claude-Agnès Reynaud
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France.
| | - Jean-Claude Weill
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France.
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Lee JH, Sutton HJ, Cottrell CA, Phung I, Ozorowski G, Sewall LM, Nedellec R, Nakao C, Silva M, Richey ST, Torres JL, Lee WH, Georgeson E, Kubitz M, Hodges S, Mullen TM, Adachi Y, Cirelli KM, Kaur A, Allers C, Fahlberg M, Grasperge BF, Dufour JP, Schiro F, Aye PP, Kalyuzhniy O, Liguori A, Carnathan DG, Silvestri G, Shen X, Montefiori DC, Veazey RS, Ward AB, Hangartner L, Burton DR, Irvine DJ, Schief WR, Crotty S. Long-primed germinal centres with enduring affinity maturation and clonal migration. Nature 2022; 609:998-1004. [PMID: 36131022 PMCID: PMC9491273 DOI: 10.1038/s41586-022-05216-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 08/09/2022] [Indexed: 02/06/2023]
Abstract
Germinal centres are the engines of antibody evolution. Here, using human immunodeficiency virus (HIV) Env protein immunogen priming in rhesus monkeys followed by a long period without further immunization, we demonstrate germinal centre B (BGC) cells that last for at least 6 months. A 186-fold increase in BGC cells was present by week 10 compared with conventional immunization. Single-cell transcriptional profiling showed that both light- and dark-zone germinal centre states were sustained. Antibody somatic hypermutation of BGC cells continued to accumulate throughout the 29-week priming period, with evidence of selective pressure. Env-binding BGC cells were still 49-fold above baseline at 29 weeks, which suggests that they could remain active for even longer periods of time. High titres of HIV-neutralizing antibodies were generated after a single booster immunization. Fully glycosylated HIV trimer protein is a complex antigen, posing considerable immunodominance challenges for B cells1,2. Memory B cells generated under these long priming conditions had higher levels of antibody somatic hypermutation, and both memory B cells and antibodies were more likely to recognize non-immunodominant epitopes. Numerous BGC cell lineage phylogenies spanning more than the 6-month germinal centre period were identified, demonstrating continuous germinal centre activity and selection for at least 191 days with no further antigen exposure. A long-prime, slow-delivery (12 days) immunization approach holds promise for difficult vaccine targets and suggests that patience can have great value for tuning of germinal centres to maximize antibody responses.
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Affiliation(s)
- Jeong Hyun Lee
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
| | - Henry J Sutton
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
| | - Christopher A Cottrell
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Ivy Phung
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego, La Jolla, CA, USA
| | - Gabriel Ozorowski
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Leigh M Sewall
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Rebecca Nedellec
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Catherine Nakao
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Murillo Silva
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sara T Richey
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Jonathan L Torres
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Wen-Hsin Lee
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Erik Georgeson
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Michael Kubitz
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Sam Hodges
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Tina-Marie Mullen
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Yumiko Adachi
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Kimberly M Cirelli
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
| | - Amitinder Kaur
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Carolina Allers
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Marissa Fahlberg
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Brooke F Grasperge
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Jason P Dufour
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Faith Schiro
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Pyone P Aye
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Oleksandr Kalyuzhniy
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Alessia Liguori
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Diane G Carnathan
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Emory National Primate Research Center and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Guido Silvestri
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Emory National Primate Research Center and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Xiaoying Shen
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, USA
| | - David C Montefiori
- Department of Surgery, Laboratory for AIDS Vaccine Research & Development, Duke University Medical Center, Duke University, Durham, NC, USA
| | - Ronald S Veazey
- Tulane National Primate Research Center, Tulane School of Medicine, Covington, LA, USA
| | - Andrew B Ward
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Lars Hangartner
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Dennis R Burton
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
| | - Darrell J Irvine
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | - William R Schief
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA, USA
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
| | - Shane Crotty
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, USA.
- Consortium for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, CA, USA.
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego, La Jolla, CA, USA.
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Arulraj T, Binder SC, Meyer-Hermann M. Investigating the Mechanism of Germinal Center Shutdown. Front Immunol 2022; 13:922318. [PMID: 35911680 PMCID: PMC9329532 DOI: 10.3389/fimmu.2022.922318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Germinal centers (GCs) are transient structures where affinity maturation of B cells gives rise to high affinity plasma and memory cells. The mechanism of GC shutdown is unclear, despite being an important phenomenon maintaining immune homeostasis. In this study, we used a mathematical model to identify mechanisms that can independently promote contraction of GCs leading to shutdown. We show that GC shutdown can be promoted by antigen consumption by B cells, antigen masking by soluble antibodies, alterations in follicular dendritic cell (FDC) network area, modulation of immune complex cycling rate constants, alterations in T follicular helper signaling, increased terminal differentiation and reduced B cell division capacity. Proposed mechanisms promoted GC contraction by ultimately decreasing the number of B cell divisions and recycling cells. Based on the in-silico predictions, we suggest a combination of experiments that can be potentially employed by future studies to unravel the mechanistic basis of GC shutdown such as measurements of the density of pMHC presentation of B cells, FDC network size per B cell, fraction of cells expressing differentiation markers. We also show that the identified mechanisms differentially affect the efficiency of GC reaction estimated based on the quantity and quality of resulting antibodies.
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Affiliation(s)
- Theinmozhi Arulraj
- Department of Systems Immunology, Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Sebastian C. Binder
- Department of Systems Immunology, Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Michael Meyer-Hermann
- Department of Systems Immunology, Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Braunschweig, Germany
- Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Braunschweig, Germany
- *Correspondence: Michael Meyer-Hermann,
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Bhattacharya D. Instructing durable humoral immunity for COVID-19 and other vaccinable diseases. Immunity 2022; 55:945-964. [PMID: 35637104 PMCID: PMC9085459 DOI: 10.1016/j.immuni.2022.05.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/02/2022] [Accepted: 05/05/2022] [Indexed: 11/29/2022]
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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From affinity selection to kinetic selection in Germinal Centre modelling. PLoS Comput Biol 2022; 18:e1010168. [PMID: 35658003 PMCID: PMC9200358 DOI: 10.1371/journal.pcbi.1010168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 06/15/2022] [Accepted: 05/05/2022] [Indexed: 11/30/2022] Open
Abstract
Affinity maturation is an evolutionary process by which the affinity of antibodies (Abs) against specific antigens (Ags) increases through rounds of B-cell proliferation, somatic hypermutation, and positive selection in germinal centres (GC). The positive selection of B cells depends on affinity, but the underlying mechanisms of affinity discrimination and affinity-based selection are not well understood. It has been suggested that selection in GC depends on both rapid binding of B-cell receptors (BcRs) to Ags which is kinetically favourable and tight binding of BcRs to Ags, which is thermodynamically favourable; however, it has not been shown whether a selection bias for kinetic properties is present in the GC. To investigate the GC selection bias towards rapid and tight binding, we developed an agent-based model of GC and compared the evolution of founder B cells with initially identical low affinities but with different association/dissociation rates for Ag presented by follicular dendritic cells in three Ag collection mechanisms. We compared an Ag collection mechanism based on association/dissociation rates of B-cell interaction with presented Ag, which includes a probabilistic rupture of bonds between the B-cell and Ag (Scenario-1) with a reference scenario based on an affinity-based Ag collection mechanism (Scenario-0). Simulations showed that the mechanism of Ag collection affects the GC dynamics and the GC outputs concerning fast/slow (un)binding of B cells to FDC-presented Ags. In particular, clones with lower dissociation rates outcompete clones with higher association rates in Scenario-1, while remaining B cells from clones with higher association rates reach higher affinities. Accordingly, plasma cell and memory B cell populations were biased towards B-cell clones with lower dissociation rates. Without such probabilistic ruptures during the Ag extraction process (Scenario-2), the selective advantage for clones with very low dissociation rates diminished, and the affinity maturation level of all clones decreased to the reference level. Adaptive immunity is one of the vital defence mechanisms of the human body to fight virtually unlimited types of pathogens by producing antigen-specific high-affinity antibodies that bind to pathogens and neutralise them or mark them for further elimination. Affinity is a quantity used to measure and report the strength of interaction between antibodies and antigens that depends both on how fast antibodies bind to antigens (association rate) and how long the bond lasts (dissociation rate). The affinity of produced antibodies for a specific antigen increases in germinal centres through a process called affinity maturation, during which B cells with higher affinities have a competitive advantage and get positively selected to differentiate to antibody-producing plasma cells. Our research shows that the mechanism by which B cells capture Ag affects GC dynamics and GC output with respect to B-cell receptor kinetics. Notably, in a mechanism where rupture of CC-FDC bonds is possible during Ag extraction, B-cell clones with low dissociation rates outcompete clones with high association rates over time. Understanding how B cells get selected in germinal centres could help to develop an optimised and effective immune response against a disease through vaccination for a fast-operating and long-lasting immune response.
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35
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Doan TA, Forward T, Tamburini BAJ. Trafficking and retention of protein antigens across systems and immune cell types. Cell Mol Life Sci 2022; 79:275. [PMID: 35505125 PMCID: PMC9063628 DOI: 10.1007/s00018-022-04303-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 04/01/2022] [Accepted: 04/12/2022] [Indexed: 12/05/2022]
Abstract
In response to infection or vaccination, the immune system initially responds non-specifically to the foreign insult (innate) and then develops a specific response to the foreign antigen (adaptive). The programming of the immune response is shaped by the dispersal and delivery of antigens. The antigen size, innate immune activation and location of the insult all determine how antigens are handled. In this review we outline which specific cell types are required for antigen trafficking, which processes require active compared to passive transport, the ability of specific cell types to retain antigens and the viruses (human immunodeficiency virus, influenza and Sendai virus, vesicular stomatitis virus, vaccinia virus) and pattern recognition receptor activation that can initiate antigen retention. Both where the protein antigen is localized and how long it remains are critically important in shaping protective immune responses. Therefore, understanding antigen trafficking and retention is necessary to understand the type and magnitude of the immune response and essential for the development of novel vaccine and therapeutic targets.
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Affiliation(s)
- Thu A Doan
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, USA.,Immunology Graduate Program, University of Colorado School of Medicine, Aurora, USA
| | - Tadg Forward
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, USA
| | - Beth A Jirón Tamburini
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Colorado School of Medicine, Aurora, USA. .,Immunology Graduate Program, University of Colorado School of Medicine, Aurora, USA. .,Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO, USA.
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Gordon L, Mabbott N, Wells J, Kulik L, Juleff N, Charleston B, Perez-Martin E. Foot-and-mouth disease virus localisation on follicular dendritic cells and sustained induction of neutralising antibodies is dependent on binding to complement receptors (CR2/CR1). PLoS Pathog 2022; 18:e1009942. [PMID: 35512014 PMCID: PMC9113581 DOI: 10.1371/journal.ppat.1009942] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 05/17/2022] [Accepted: 04/12/2022] [Indexed: 11/19/2022] Open
Abstract
Previous studies have shown after the resolution of acute infection and viraemia, foot-and-mouth disease virus (FMDV) capsid proteins and/or genome are localised in the light zone of germinal centres of lymphoid tissue in cattle and African buffalo. The pattern of staining for FMDV proteins was consistent with the virus binding to follicular dendritic cells (FDCs). We have now demonstrated a similar pattern of FMDV protein staining in mouse spleens after acute infection and showed FMDV proteins are colocalised with FDCs. Blocking antigen binding to complement receptor type 2 and 1 (CR2/CR1) prior to infection with FMDV significantly reduced the detection of viral proteins on FDCs and FMDV genomic RNA in spleen samples. Blocking the receptors prior to infection also significantly reduced neutralising antibody titres, through significant reduction in their avidity to the FMDV capsid. Therefore, the binding of FMDV to FDCs and sustained induction of neutralising antibody responses are dependent on FMDV binding to CR2/CR1 in mice.
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Affiliation(s)
- Lucy Gordon
- The Pirbright Institute, Woking, United Kingdom
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
| | - Neil Mabbott
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, United Kingdom
| | | | - Liudmila Kulik
- Division of Rheumatology, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Nick Juleff
- Bill and Melinda Gates Foundation, Seattle, Washington, United States of America
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Yeh CH, Finney J, Okada T, Kurosaki T, Kelsoe G. Primary germinal center-resident T follicular helper cells are a physiologically distinct subset of CXCR5 hiPD-1 hi T follicular helper cells. Immunity 2022; 55:272-289.e7. [PMID: 35081372 PMCID: PMC8842852 DOI: 10.1016/j.immuni.2021.12.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 09/10/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022]
Abstract
T follicular helper (Tfh) cells are defined by a Bcl6+CXCR5hiPD-1hi phenotype, but only a minor fraction of these reside in germinal centers (GCs). Here, we examined whether GC-resident and -nonresident Tfh cells share a common physiology and function. Fluorescently labeled, GC-resident Tfh cells in different mouse models were distinguished by low expression of CD90. CD90neg/lo GCTfh cells required antigen-specific, MHCII+ B cells to develop and stopped proliferating soon after differentiation. In contrast, nonresident, CD90hi Tfh (GCTfh-like) cells developed normally in the absence of MHCII+ B cells and proliferated continuously during primary responses. The TCR repertoires of both Tfh subsets overlapped initially but later diverged in association with dendritic cell-dependent proliferation of CD90hi GCTfh-like cells, suggestive of TCR-dependency seen also in TCR-transgenic adoptive transfer experiments. Furthermore, the transcriptomes of CD90neg/lo and CD90hi GCTfh-like cells were enriched in different functional pathways. Thus, GC-resident and nonresident Tfh cells have distinct developmental requirements and activities, implying distinct functions.
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Affiliation(s)
- Chen-Hao Yeh
- Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Joel Finney
- Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Takaharu Okada
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Kanagawa 230-0045, Japan; Graduate School of Medical Life Science, Yokohama City University, Yokohama, Kanagawa 230-0045, Japan
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan; Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Kanagawa 230-0045, Japan
| | - Garnett Kelsoe
- Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery and Duke University Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA.
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38
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Abstract
Germinal centers (GCs) are microanatomical sites of B cell clonal expansion and antibody affinity maturation. Therein, B cells undergo the Darwinian process of somatic diversification and affinity-driven selection of immunoglobulins that produces the high-affinity antibodies essential for effective humoral immunity. Here, we review recent developments in the field of GC biology, primarily as it pertains to GCs induced by infection or immunization. First, we summarize the phenotype and function of the different cell types that compose the GC, focusing on GC B cells. Then, we review the cellular and molecular bases of affinity-dependent selection within the GC and the export of memory and plasma cells. Finally, we present an overview of the emerging field of GC clonal dynamics, focusing on how GC and post-GC selection shapes the diversity of antibodies secreted into serum. Expected final online publication date for the Annual Review of Immunology, Volume 40 is April 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Gabriel D Victora
- Laboratory of Lymphocyte Dynamics, The Rockefeller University, New York, NY, USA;
| | - Michel C Nussenzweig
- Laboratory of Molecular Immunology and Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA;
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39
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Hikosaka-Kuniishi M, Yamane T, Isono K, Tetteh DN, Yamazaki H. Isolation of CD35+ follicular dendritic cells and its role in the differentiation from B cells to IgA+GL7+ cells. Immunol Lett 2022; 243:53-60. [DOI: 10.1016/j.imlet.2022.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 02/01/2022] [Accepted: 02/10/2022] [Indexed: 11/05/2022]
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40
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Pre-existing antibodies directed against a tetramerizing domain enhance the immune response against artificially stabilized soluble tetrameric influenza neuraminidase. NPJ Vaccines 2022; 7:11. [PMID: 35087067 PMCID: PMC8795415 DOI: 10.1038/s41541-022-00435-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 12/14/2021] [Indexed: 11/09/2022] Open
Abstract
The neuraminidase (NA) is an abundant antigen at the surface of influenza virions. Recent studies have highlighted the immune-protective potential of NA against influenza and defined anti-NA antibodies as an independent correlate of protection. Even though NA head domain changes at a slightly slower pace than hemagglutinin (HA), NA is still subject to antigenic drift, and therefore an NA-based influenza vaccine antigen may have to be updated regularly and thus repeatedly administered. NA is a tetrameric type II membrane protein, which readily dissociates into dimers and monomers when expressed in a soluble form. By using a tetramerizing zipper, such as the tetrabrachion (TB) from Staphylothermus marinus, it is possible to stabilize soluble NA in its active tetrameric conformation, an imperative for the optimal induction of protective NA inhibitory antibodies. The impact of repetitive immunizations with TB-stabilized antigens on the immunogenicity of soluble TB-stabilized NA is unknown. We demonstrate that TB is immunogenic in mice. Interestingly, preexisting anti-TB antibodies enhance the anti-NA antibody response induced by immunization with TB-stabilized NA. This immune-enhancing effect was transferable by serum and operated independently of activating Fcγ receptors. We also demonstrate that priming with TB-stabilized NA antigens, enhances the NA inhibitory antibody responses against a heterosubtypic TB-stabilized NA. These findings have implications for the clinical development of oligomeric vaccine antigens that are stabilized by a heterologous oligomerizing domain.
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41
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Lee JL, Linterman MA. Mechanisms underpinning poor antibody responses to vaccines in ageing. Immunol Lett 2022; 241:1-14. [PMID: 34767859 PMCID: PMC8765414 DOI: 10.1016/j.imlet.2021.11.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/29/2021] [Accepted: 11/08/2021] [Indexed: 12/13/2022]
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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42
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El Shikh MEM, El Sayed R, Aly NAR, Prediletto E, Hands R, Fossati-Jimack L, Bombardieri M, Lewis MJ, Pitzalis C. Follicular dendritic cell differentiation is associated with distinct synovial pathotype signatures in rheumatoid arthritis. Front Med (Lausanne) 2022; 9:1013660. [PMID: 36465908 PMCID: PMC9709129 DOI: 10.3389/fmed.2022.1013660] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 10/24/2022] [Indexed: 11/17/2022] Open
Abstract
Follicular dendritic cells (FDCs) fundamentally contribute to the formation of synovial ectopic lymphoid-like structures in rheumatoid arthritis (RA) which is associated with poor clinical prognosis. Despite this critical role, regulation of FDC development in the RA synovium and its correlation with synovial pathotype differentiation remained largely unknown. Here, we demonstrate that CNA.42+ FDCs distinctively express the pericyte/fibroblast-associated markers PDGFR-β, NG2, and Thy-1 in the synovial perivascular space but not in established follicles. In addition, synovial RNA-Seq analysis revealed that expression of the perivascular FDC markers was strongly correlated with PDGF-BB and fibroid synovitis, whereas TNF-α/LT-β was significantly associated with lymphoid synovitis and expression of CR1, CR2, and FcγRIIB characteristic of mature FDCs in lymphoid follicles. Moreover, PDGF-BB induced CNA.42+ FDC differentiation and CXCL13 secretion from NG2+ synovial pericytes, and together with TNF-α/LT-β conversely regulated early and late FDC differentiation genes in unsorted RA synovial fibroblasts (RASF) and this was confirmed in flow sorted stromal cell subsets. Furthermore, RASF TNF-αR expression was upregulated by TNF-α/LT-β and PDGF-BB; and TNF-α/LT-β-activated RASF retained ICs and induced B cell activation in in vitro germinal center reactions typical of FDCs. Additionally, FDCs trapped peptidyl citrulline, and strongly correlated with IL-6 expression, and plasma cell, B cell, and T cell infiltration of the RA synovium. Moreover, synovial FDCs were significantly associated with RA disease activity and radiographic features of tissue damage. To the best of our knowledge, this is the first report describing the reciprocal interaction between PDGF-BB and TNF-α/LT-β in synovial FDC development and evolution of RA histological pathotypes. Selective targeting of this interplay could inhibit FDC differentiation and potentially ameliorate RA in clinically severe and drug-resistant patients.
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43
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Steiner TM, Heath WR, Caminschi I. The unexpected contribution of conventional type 1 dendritic cells in driving antibody responses. Eur J Immunol 2021; 52:189-196. [PMID: 34897660 DOI: 10.1002/eji.202149658] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/02/2021] [Indexed: 11/09/2022]
Abstract
Antibodies are hallmarks of most effective vaccines. For successful T-dependent antibody responses, conventional dendritic cells (cDC) have been largely attributed the role of priming T cells. By contrast, follicular dendritic cells and macrophages have been seen as responsible for B cell activation, due to their strategic location within secondary lymphoid tissues and capacity to present native antigen to B cells. This review summarizes the mounting evidence that cDC can also present native antigen to B cells. cDC2 have been the main subset linked to humoral responses, based largely on their favorable location, capacity to prime CD4+ T cells, and ability to present native antigen to B cells. However, studies using strategies to deliver antigen to receptors on cDC1, reveal this subset can also contribute to naïve B cell activation, as well as T cell priming. cDC1 location within lymphoid tissues reveals their juxtaposition to B cell follicles, with ready access to B cells for presentation of native antigen. These findings support the view that both cDC1 and cDC2 are capable of initiating humoral responses provided antigen is captured by relevant surface receptors attuned to this process. Such understanding is fundamental for the development of innovative humoral vaccination approaches.
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Affiliation(s)
- Thiago M Steiner
- Department of Microbiology and Immunology, The Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Victoria, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, University of Melbourne, Melbourne, Victoria, Australia
| | - William R Heath
- Department of Microbiology and Immunology, The Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Victoria, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, University of Melbourne, Melbourne, Victoria, Australia
| | - Irina Caminschi
- Department of Microbiology and Immunology, The Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Victoria, Australia.,Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
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44
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Mitchell JL, Pollara J, Dietze K, Edwards RW, Nohara J, N'guessan KF, Zemil M, Buranapraditkun S, Takata H, Li Y, Muir R, Kroon E, Pinyakorn S, Jha S, Manasnayakorn S, Chottanapund S, Thantiworasit P, Prueksakaew P, Ratnaratorn N, Nuntapinit B, Fox L, Tovanabutra S, Paquin-Proulx D, Wieczorek L, Polonis VR, Maldarelli F, Haddad EK, Phanuphak P, Sacdalan CP, Rolland M, Phanuphak N, Ananworanich J, Vasan S, Ferrari G, Trautmann L. Anti-HIV antibody development up to one year after antiretroviral therapy initiation in acute HIV infection. J Clin Invest 2021; 132:150937. [PMID: 34762600 PMCID: PMC8718150 DOI: 10.1172/jci150937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 11/10/2021] [Indexed: 11/17/2022] Open
Abstract
Early initiation of antiretroviral therapy (ART) in acute HIV infection (AHI) is effective at limiting seeding of the HIV viral reservoir, but little is known about how the resultant decreased antigen load affects long-term Ab development after ART. We report here that Env-specific plasma antibody (Ab) levels and Ab-dependent cellular cytotoxicity (ADCC) increased during the first 24 weeks of ART and correlated with Ab levels persisting after 48 weeks of ART. Participants treated in AHI stage 1 had lower Env-specific Ab levels and ADCC activity on ART than did those treated later. Importantly, participants who initiated ART after peak viremia in AHI developed elevated cross-clade ADCC responses that were detectable 1 year after ART initiation, even though clinically undetectable viremia was reached by 24 weeks. These data suggest that there is more germinal center (GC) activity in the later stages of AHI and that Ab development continues in the absence of detectable viremia during the first year of suppressive ART. The development of therapeutic interventions that can enhance earlier development of GCs in AHI and Abs after ART initiation could provide important protection against the viral reservoir that is seeded in individuals treated early in the disease.
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Affiliation(s)
- Julie L Mitchell
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, United States of America
| | - Justin Pollara
- Department of Surgery, Duke University Medical Center, Durham, United States of America
| | - Kenneth Dietze
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - R Whitney Edwards
- Department of Surgery, Duke University Medical Center, Durham, United States of America
| | - Junsuke Nohara
- Department of Surgery, Duke University Medical Center, Durham, United States of America
| | - Kombo F N'guessan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Michelle Zemil
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Supranee Buranapraditkun
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Hiroshi Takata
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, United States of America
| | - Yifan Li
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Roshell Muir
- Demartment of Medicine, Division of Infectious Diseases & HIV Medicine, Drexel University, Philadelphia, United States of America
| | - Eugene Kroon
- Institute of HIV Research and Innovation, Bangkok, Thailand
| | - Suteeraporn Pinyakorn
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Shalini Jha
- Department of Surgery, Duke University Madical Center, Durham, United States of America
| | - Sopark Manasnayakorn
- Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Suthat Chottanapund
- Department of Surgery, Bamrasnaradura Infectious Disease Institute, Nonthaburi, Thailand
| | - Pattarawat Thantiworasit
- Center of Excellence in Vaccine Research and Development, Chulalongkorn University, Bangkok, Thailand
| | | | | | - Bessara Nuntapinit
- Armed Forces Research Institute of Medical Sciences in Bangkok, Bangkok, Thailand
| | - Lawrence Fox
- Division of AIDS, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, United States of America
| | - Sodsai Tovanabutra
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Dominic Paquin-Proulx
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Lindsay Wieczorek
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Victoria R Polonis
- Department of Vaccine Research, Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, United States of America
| | - Frank Maldarelli
- HIV Dynamics and Replication Program, NCI/NIH, Frederick, United States of America
| | - Elias K Haddad
- Demartment of Medicine, Division of Infectious Diseases & HIV Medicine, Drexel University College of Medicine, Philadelphia, United States of America
| | | | | | - Morgane Rolland
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | | | | | - Sandhya Vasan
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, United States of America
| | - Guido Ferrari
- Department of Surgery, Duke University Medical Center, Durham, United States of America
| | - Lydie Trautmann
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, United States of America
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45
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Yewdell WT, Smolkin RM, Belcheva KT, Mendoza A, Michaels AJ, Cols M, Angeletti D, Yewdell JW, Chaudhuri J. Temporal dynamics of persistent germinal centers and memory B cell differentiation following respiratory virus infection. Cell Rep 2021; 37:109961. [PMID: 34758310 PMCID: PMC7612942 DOI: 10.1016/j.celrep.2021.109961] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/07/2021] [Accepted: 10/18/2021] [Indexed: 11/18/2022] Open
Abstract
Following infection or immunization, memory B cells (MBCs) and long-lived plasma cells provide humoral immunity that can last for decades. Most principles of MBC biology have been determined with hapten-protein carrier models or fluorescent protein immunizations. Here, we examine the temporal dynamics of the germinal center (GC) B cell and MBC response following mouse influenza A virus infection. We find that antiviral B cell responses within the lung-draining mediastinal lymph node (mLN) and the spleen are distinct in regard to duration, enrichment for antigen-binding cells, and class switching dynamics. While splenic GCs dissolve after 6 weeks post-infection, mLN hemagglutinin-specific (HA+) GCs can persist for 22 weeks. Persistent GCs continuously differentiate MBCs, with “peak” and “late” GCs contributing equal numbers of HA+ MBCs to the long-lived compartment. Our findings highlight critical aspects of persistent GC responses and MBC differentiation following respiratory virus infection with direct implications for developing effective vaccination strategies.
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Affiliation(s)
- William T Yewdell
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
| | - Ryan M Smolkin
- Gerstner Sloan Kettering Graduate School of Biomedical Sciences, New York, NY 10065, USA
| | - Kalina T Belcheva
- Biochemistry, Cellular, and Molecular Biology Allied Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA
| | - Alejandra Mendoza
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Anthony J Michaels
- Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA
| | - Montserrat Cols
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Davide Angeletti
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, 41390 Gothenburg, Sweden
| | - Jonathan W Yewdell
- Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jayanta Chaudhuri
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Gerstner Sloan Kettering Graduate School of Biomedical Sciences, New York, NY 10065, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA.
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46
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Giza HM, Bozzacco L. Unboxing dendritic cells: Tales of multi-faceted biology and function. Immunology 2021; 164:433-449. [PMID: 34309853 PMCID: PMC8517577 DOI: 10.1111/imm.13394] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 12/14/2022] Open
Abstract
Often referred to as the bridge between innate and adaptive immunity, dendritic cells (DCs) are professional antigen-presenting cells (APCs) that constitute a unique, yet complex cell system. Among other APCs, DCs display the unique property of inducing protective immune responses against invading microbes, or cancer cells, while safeguarding the proper homeostatic equilibrium of the immune system and maintaining self-tolerance. Unsurprisingly, DCs play a role in many diseases such as autoimmunity, allergy, infectious disease and cancer. This makes them attractive but challenging targets for therapeutics. Since their initial discovery, research and understanding of DC biology have flourished. We now recognize the presence of multiple subsets of DCs distributed across tissues. Recent studies of phenotype and gene expression at the single cell level have identified heterogeneity even within the same DC type, supporting the idea that DCs have evolved to greatly expand the flexibility of the immune system to react appropriately to a wide range of threats. This review is meant to serve as a quick and robust guide to understand the basic divisions of DC subsets and their role in the immune system. Between mice and humans, there are some differences in how these subsets are identified and function, and we will point out specific distinctions as necessary. Throughout the text, we are using both fundamental and therapeutic lens to describe overlaps and distinctions and what this could mean for future research and therapies.
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47
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Verstegen NJM, Ubels V, Westerhoff HV, van Ham SM, Barberis M. System-Level Scenarios for the Elucidation of T Cell-Mediated Germinal Center B Cell Differentiation. Front Immunol 2021; 12:734282. [PMID: 34616402 PMCID: PMC8488341 DOI: 10.3389/fimmu.2021.734282] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022] Open
Abstract
Germinal center (GC) reactions are vital to the correct functioning of the adaptive immune system, through formation of high affinity, class switched antibodies. GCs are transient anatomical structures in secondary lymphoid organs where specific B cells, after recognition of antigen and with T cell help, undergo class switching. Subsequently, B cells cycle between zones of proliferation and somatic hypermutation and zones where renewed antigen acquisition and T cell help allows for selection of high affinity B cells (affinity maturation). Eventually GC B cells first differentiate into long-lived memory B cells (MBC) and finally into plasma cells (PC) that partially migrate to the bone marrow to encapsulate into long-lived survival niches. The regulation of GC reactions is a highly dynamically coordinated process that occurs between various cells and molecules that change in their signals. Here, we present a system-level perspective of T cell-mediated GC B cell differentiation, presenting and discussing the experimental and computational efforts on the regulation of the GCs. We aim to integrate Systems Biology with B cell biology, to advance elucidation of the regulation of high-affinity, class switched antibody formation, thus to shed light on the delicate functioning of the adaptive immune system. Specifically, we: i) review experimental findings of internal and external factors driving various GC dynamics, such as GC initiation, maturation and GCBC fate determination; ii) draw comparisons between experimental observations and mathematical modeling investigations; and iii) discuss and reflect on current strategies of modeling efforts, to elucidate B cell behavior during the GC tract. Finally, perspectives are specifically given on to the areas where a Systems Biology approach may be useful to predict novel GCBC-T cell interaction dynamics.
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Affiliation(s)
- Niels J M Verstegen
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Synthetic Systems Biology and Nuclear Organization, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, Netherlands
| | - Victor Ubels
- Systems Biology, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom.,Centre for Mathematical and Computational Biology, CMCB, University of Surrey, Guildford, United Kingdom
| | - Hans V Westerhoff
- Synthetic Systems Biology and Nuclear Organization, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, Netherlands.,Department of Molecular Cell Physiology, VU University Amsterdam, Amsterdam, Netherlands
| | - S Marieke van Ham
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Synthetic Systems Biology and Nuclear Organization, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, Netherlands
| | - Matteo Barberis
- Synthetic Systems Biology and Nuclear Organization, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, Netherlands.,Systems Biology, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom.,Centre for Mathematical and Computational Biology, CMCB, University of Surrey, Guildford, United Kingdom
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48
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Poirot J, Medvedovic J, Trichot C, Soumelis V. Compartmentalized multicellular crosstalk in lymph nodes coordinates the generation of potent cellular and humoral immune responses. Eur J Immunol 2021; 51:3146-3160. [PMID: 34606627 PMCID: PMC9298410 DOI: 10.1002/eji.202048977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/13/2021] [Accepted: 09/22/2021] [Indexed: 12/24/2022]
Abstract
Distributed throughout the body, lymph nodes (LNs) constitute an important crossroad where resident and migratory immune cells interact to initiate antigen‐specific immune responses supported by a dynamic 3‐dimensional network of stromal cells, that is, endothelial cells and fibroblastic reticular cells (FRCs). LNs are organized into four major subanatomically separated compartments: the subcapsular sinus (SSC), the paracortex, the cortex, and the medulla. Each compartment is underpinned by particular FRC subsets that physically support LN architecture and delineate functional immune niches by appropriately providing environmental cues, nutrients, and survival factors to the immune cell subsets they interact with. In this review, we discuss how FRCs drive the structural and functional organization of each compartment to give rise to prosperous interactions and coordinate immune cell activities. We also discuss how reciprocal communication makes FRCs and immune cells perfect compatible partners for the generation of potent cellular and humoral immune responses.
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Affiliation(s)
- Justine Poirot
- Université de Paris, INSERM U976, Paris, France.,Université Paris-Saclay, Saint Aubin, France
| | | | | | - Vassili Soumelis
- Université de Paris, INSERM U976, Paris, France.,AP-HP, Hôpital Saint-Louis, Laboratoire d'Immunologie-Histocompatibilité, Paris, France
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49
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Heesters BA, van Megesen K, Tomris I, de Vries RP, Magri G, Spits H. Characterization of human FDCs reveals regulation of T cells and antigen presentation to B cells. J Exp Med 2021; 218:e20210790. [PMID: 34424268 PMCID: PMC8404474 DOI: 10.1084/jem.20210790] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/02/2021] [Accepted: 07/27/2021] [Indexed: 12/13/2022] Open
Abstract
Stromal-derived follicular dendritic cells (FDCs) are essential for germinal centers (GCs), the site where B cells maturate their antibodies. FDCs present native antigen to B cells and maintain a CXCL13 gradient to form the B cell follicle. Yet despite their essential role, the transcriptome of human FDCs remains undefined. Using single-cell RNA sequencing and microarray, we provided the transcriptome of these enigmatic cells as a comprehensive resource. Key genes were validated by flow cytometry and microscopy. Surprisingly, marginal reticular cells (MRCs) rather than FDCs expressed B cell activating factor (BAFF). Furthermore, we found that human FDCs expressed TLR4 and can alter antigen availability in response to pathogen-associated molecular patterns (PAMPs). High expression of PD-L1 and PD-L2 on FDCs activated PD1 on T cells. In addition, we found expression of genes related to T cell regulation, such as HLA-DRA, CD40, and others. These data suggest intimate contact between human FDCs and T cells.
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Affiliation(s)
- Balthasar A. Heesters
- Amsterdam University Medical Centers, University of Amsterdam, Department of Experimental Immunology, Amsterdam institute for Infection and Immunity, Amsterdam, Netherlands
| | - Kyah van Megesen
- Amsterdam University Medical Centers, University of Amsterdam, Department of Experimental Immunology, Amsterdam institute for Infection and Immunity, Amsterdam, Netherlands
| | - Ilhan Tomris
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Robert P. de Vries
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Giuliana Magri
- Program for Inflammatory and Cardiovascular Disorders, Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
| | - Hergen Spits
- Amsterdam University Medical Centers, University of Amsterdam, Department of Experimental Immunology, Amsterdam institute for Infection and Immunity, Amsterdam, Netherlands
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Chen BM, Cheng TL, Roffler SR. Polyethylene Glycol Immunogenicity: Theoretical, Clinical, and Practical Aspects of Anti-Polyethylene Glycol Antibodies. ACS NANO 2021; 15:14022-14048. [PMID: 34469112 DOI: 10.1021/acsnano.1c05922] [Citation(s) in RCA: 158] [Impact Index Per Article: 52.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Polyethylene glycol (PEG) is a flexible, hydrophilic simple polymer that is physically attached to peptides, proteins, nucleic acids, liposomes, and nanoparticles to reduce renal clearance, block antibody and protein binding sites, and enhance the half-life and efficacy of therapeutic molecules. Some naïve individuals have pre-existing antibodies that can bind to PEG, and some PEG-modified compounds induce additional antibodies against PEG, which can adversely impact drug efficacy and safety. Here we provide a framework to better understand PEG immunogenicity and how antibodies against PEG affect pegylated drug and nanoparticles. Analysis of published studies reveals rules for predicting accelerated blood clearance of pegylated medicine and therapeutic liposomes. Experimental studies of anti-PEG antibody binding to different forms, sizes, and immobilization states of PEG are also provided. The widespread use of SARS-CoV-2 RNA vaccines that incorporate PEG in lipid nanoparticles make understanding possible effects of anti-PEG antibodies on pegylated medicines even more critical.
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Affiliation(s)
- Bing-Mae Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Tian-Lu Cheng
- Center for Biomarkers and Biotech Drugs, Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Steve R Roffler
- Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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