1
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Zhang Y, Gu A, An Z, Huang S, Zhang C, Zhong X, Hu Y. B cells enhance EphA2 chimeric antigen receptor T cells cytotoxicity against glioblastoma via improving persistence. Hum Immunol 2024; 85:111093. [PMID: 39243423 DOI: 10.1016/j.humimm.2024.111093] [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: 05/22/2024] [Revised: 08/13/2024] [Accepted: 08/30/2024] [Indexed: 09/09/2024]
Abstract
Chimeric antigen receptor (CAR) T cell therapy is a powerful adoptive immunotherapy against blood cancers, but the therapeutic effect was not efficient enough on solid tumors. B cells have been reported to play a critical role in regulating memory T differentiation and cytotoxic T development. However, as of yet the influence of such B cells on CAR T cells has not been discussed. In this study, using ephrin type-A receptor 2 (EphA2) specific CAR T cells, we cultured B cells successfully to stimulate CAR T cells in vitro, and investigated the cell differentiation and anti-tumor efficiency. We observed that EphA2-CAR T cells stimulated by B cells performed increased interferon γ (IFN γ) production and upregulated OX40 expression, as well as the enhanced anti-tumor activity and reduced PD-1 expression. The persistence of CAR T cells was enhanced after B cells stimulation for more than 7 days with the increased subset of central memory T cells (TCM). In addition, next generation sequencing was performed to explore the underlying mechanisms. The up-regulated genes clustered in, immune response activation, chemokine signaling pathway, calcium signaling pathway, cGMP-PKG signaling pathway and et al. which contributed to the upregulated anti-glioblastoma (GBM) activity of CAR T cells stimulated by B cell. Furthermore, MEF2C, CD40, SYK and TNFRSF13B were upregulated in CAR T cells after co-culturing with B cells. These genes functionally enriched in promoting lymphocytes proliferation and may contribute to the enhanced persistence of CAR T cells. In conclusion, these results indicated the critical role of B cells in prolonging CAR T cells longevity and enhancing anti-tumor activity, which paves the way for the therapeutic exploitation of EphA2-CAR T cells against GBM in the future.
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Affiliation(s)
- Ying Zhang
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Aiqin Gu
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Zhijing An
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Shuai Huang
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Can Zhang
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Xiaosong Zhong
- The Clinical Center of Gene and Cell Engineering, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Yi Hu
- Beijing Key Laboratory for Therapeutic Cancer Vaccines, Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.
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2
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Inoue T, Baba Y, Kurosaki T. BCR signaling in germinal center B cell selection. Trends Immunol 2024; 45:693-704. [PMID: 39168721 DOI: 10.1016/j.it.2024.07.005] [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: 06/26/2024] [Revised: 07/23/2024] [Accepted: 07/23/2024] [Indexed: 08/23/2024]
Abstract
When mature B cells are activated by antigens, the selection of these activated B cells takes place particularly during T cell-dependent immune responses in which an improved antibody repertoire is generated through somatic hypermutation in germinal centers (GCs). In this process the importance of antigen presentation by GC B cells, and subsequent T follicular helper (Tfh) cell help in positive selection of GC B cells, has been well appreciated. By contrast, the role of B cell receptor (BCR) signaling per se remains unclear. Strong experimental support for the involvement of BCR signaling in GC B cell selection has now been provided. Interestingly, these studies suggest that several checkpoints operating through the BCR ensure affinity maturation.
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Affiliation(s)
- Takeshi Inoue
- Department of Molecular Systems Immunology, University of Tokyo Pandemic Preparedness, Infection, and Advanced Research Center (UTOPIA), Tokyo, Japan
| | - Yoshihiro Baba
- Division of Immunology and Genome Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, World Premier International (WPI) Immunology Frontier Research Center, Osaka University, Osaka, Japan; Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan; Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS), Kanagawa, Japan.
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3
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Hong Y, Kwak K. Both sides now: evolutionary traits of antigens and B cells in tolerance and activation. Front Immunol 2024; 15:1456220. [PMID: 39185403 PMCID: PMC11341355 DOI: 10.3389/fimmu.2024.1456220] [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: 06/28/2024] [Accepted: 07/25/2024] [Indexed: 08/27/2024] Open
Abstract
B cells are the cornerstone of our body's defense system, producing precise antibodies and safeguarding immunological memory for future protection against pathogens. While we have a thorough understanding of how naïve B cells differentiate into plasma or memory B cells, the early B cell response to various antigens-whether self or foreign-remains a thrilling and evolving area of study. Advances in imaging have illuminated the molecular intricacies of B cell receptor (BCR) signaling, yet the dynamic nature of B cell activation continues to reveal new insights based on the nature of antigen exposure. This review explores the evolutionary journey of B cells as they adapt to the unique challenges presented by pathogens. We begin by examining the specific traits of antigens that influence their pathogenic potential, then shift our focus to the distinct characteristics of B cells that counteract these threats. From foundational discoveries to the latest cutting-edge research, we investigate how B cells are effectively activated and distinguish between self and non-self antigens, ensuring a balanced immune response that defends against pathogenic diseases but not self-antigens.
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Affiliation(s)
- Youngjae Hong
- Department of Microbiology and Immunology, College of Medicine, Yonsei University, Seoul, Republic of Korea
- Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul, Republic of Korea
| | - Kihyuck Kwak
- Department of Microbiology and Immunology, College of Medicine, Yonsei University, Seoul, Republic of Korea
- Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul, Republic of Korea
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4
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Jucaud V. Allogeneic HLA Humoral Immunogenicity and the Prediction of Donor-Specific HLA Antibody Development. Antibodies (Basel) 2024; 13:61. [PMID: 39189232 PMCID: PMC11348167 DOI: 10.3390/antib13030061] [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: 04/08/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 08/28/2024] Open
Abstract
The development of de novo donor-specific HLA antibodies (dnDSAs) following solid organ transplantation is considered a major risk factor for poor long-term allograft outcomes. The prediction of dnDSA development is a boon to transplant recipients, yet the assessment of allo-HLA immunogenicity remains imprecise. Despite the recent technological advances, a comprehensive evaluation of allo-HLA immunogenicity, which includes both B and T cell allorecognition, is still warranted. Recent studies have proposed using mismatched HLA epitopes (antibody and T cell) as a prognostic biomarker for humoral alloimmunity. However, the identification of immunogenic HLA mismatches has not progressed despite significant improvements in the identification of permissible mismatches. Certainly, the prediction of dnDSA development may benefit permissible HLA mismatched organ transplantations, personalized immunosuppression, and clinical trial design. However, characteristics that go beyond the listing of mismatched HLA antibody epitopes and T cell epitopes, such as the generation of HLA T cell epitope repertoires, recipient's HLA class II phenotype, and immunosuppressive regiments, are required for the precise assessment of allo-HLA immunogenicity.
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Affiliation(s)
- Vadim Jucaud
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 91367, USA
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5
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Inoue T, Matsumoto Y, Kawai C, Ito M, Nada S, Okada M, Kurosaki T. Csk restrains BCR-mediated ROS production and contributes to germinal center selection and affinity maturation. J Exp Med 2024; 221:e20231996. [PMID: 38753246 PMCID: PMC11098938 DOI: 10.1084/jem.20231996] [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: 11/01/2023] [Revised: 03/26/2024] [Accepted: 05/03/2024] [Indexed: 05/19/2024] Open
Abstract
Compared with naïve B cells, the B cell receptor (BCR) signal in germinal center (GC) B cells is attenuated; however, the significance of this signaling attenuation has not been well defined. Here, to investigate the role of attenuation of BCR signaling, we employed a Csk mutant mouse model in which Csk deficiency in GC B cells resulted in augmentation of net BCR signaling with no apparent effect on antigen presentation. We found that Csk is required for GC maintenance and efficient antibody affinity maturation. Mechanistically, ROS-induced apoptosis was exacerbated concomitantly with mitochondrial dysfunction in Csk-deficient GC B cells. Hence, our data suggest that attenuation of the BCR signal restrains hyper-ROS production, thereby protecting GC B cells from apoptosis and contributing to efficient affinity maturation.
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Affiliation(s)
- Takeshi Inoue
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
- Department of Molecular Systems Immunology, The University of Tokyo Pandemic Preparedness, Infection and Advanced Research Center (UTOPIA), Tokyo, Japan
| | - Yuma Matsumoto
- Department of Oncogene Research, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Chie Kawai
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Mao Ito
- Department of Oncogene Research, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Shigeyuki Nada
- Department of Oncogene Research, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Masato Okada
- Department of Oncogene Research, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan
- Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences, Kanagawa, Japan
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6
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Karakousi T, Mudianto T, Lund AW. Lymphatic vessels in the age of cancer immunotherapy. Nat Rev Cancer 2024; 24:363-381. [PMID: 38605228 DOI: 10.1038/s41568-024-00681-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/27/2024] [Indexed: 04/13/2024]
Abstract
Lymphatic transport maintains homeostatic health and is necessary for immune surveillance, and yet lymphatic growth is often associated with solid tumour development and dissemination. Although tumour-associated lymphatic remodelling and growth were initially presumed to simply expand a passive route for regional metastasis, emerging research puts lymphatic vessels and their active transport at the interface of metastasis, tumour-associated inflammation and systemic immune surveillance. Here, we discuss active mechanisms through which lymphatic vessels shape their transport function to influence peripheral tissue immunity and the current understanding of how tumour-associated lymphatic vessels may both augment and disrupt antitumour immune surveillance. We end by looking forward to emerging areas of interest in the field of cancer immunotherapy in which lymphatic vessels and their transport function are likely key players: the formation of tertiary lymphoid structures, immune surveillance in the central nervous system, the microbiome, obesity and ageing. The lessons learnt support a working framework that defines the lymphatic system as a key determinant of both local and systemic inflammatory networks and thereby a crucial player in the response to cancer immunotherapy.
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Affiliation(s)
- Triantafyllia Karakousi
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Tenny Mudianto
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Amanda W Lund
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA.
- Department of Pathology, NYU Grossman School of Medicine, New York, NY, USA.
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, NY, USA.
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7
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Wang Q, Yang Y, Chen Z, Li B, Niu Y, Li X. Lymph Node-on-Chip Technology: Cutting-Edge Advances in Immune Microenvironment Simulation. Pharmaceutics 2024; 16:666. [PMID: 38794327 PMCID: PMC11124897 DOI: 10.3390/pharmaceutics16050666] [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: 03/25/2024] [Revised: 05/09/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
Organ-on-a-chip technology is attracting growing interest across various domains as a crucial platform for drug screening and testing and is set to play a significant role in precision medicine research. Lymph nodes, being intricately structured organs essential for the body's adaptive immune responses to antigens and foreign particles, are pivotal in assessing the immunotoxicity of novel pharmaceuticals. Significant progress has been made in research on the structure and function of the lymphatic system. However, there is still an urgent need to develop prospective tools and techniques to delve deeper into its role in various diseases' pathological and physiological processes and to develop corresponding immunotherapeutic therapies. Organ chips can accurately reproduce the specific functional areas in lymph nodes to better simulate the complex microstructure of lymph nodes and the interactions between different immune cells, which is convenient for studying specific biological processes. This paper reviews existing lymph node chips and their design approaches. It discusses the applications of the above systems in modeling immune cell motility, cell-cell interactions, vaccine responses, drug testing, and cancer research. Finally, we summarize the challenges that current research faces in terms of structure, cell source, and extracellular matrix simulation of lymph nodes, and we provide an outlook on the future direction of integrated immune system chips.
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Affiliation(s)
| | | | | | | | | | - Xiaoqiong Li
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China; (Q.W.); (Y.Y.); (Z.C.); (B.L.); (Y.N.)
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8
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Zareein A, Mahmoudi M, Jadhav SS, Wilmore J, Wu Y. Biomaterial engineering strategies for B cell immunity modulations. Biomater Sci 2024; 12:1981-2006. [PMID: 38456305 PMCID: PMC11019864 DOI: 10.1039/d3bm01841e] [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: 11/11/2023] [Accepted: 02/23/2024] [Indexed: 03/09/2024]
Abstract
B cell immunity has a penetrating effect on human health and diseases. Therapeutics aiming to modulate B cell immunity have achieved remarkable success in combating infections, autoimmunity, and malignancies. However, current treatments still face significant limitations in generating effective long-lasting therapeutic B cell responses for many conditions. As the understanding of B cell biology has deepened in recent years, clearer regulation networks for B cell differentiation and antibody production have emerged, presenting opportunities to overcome current difficulties and realize the full therapeutic potential of B cell immunity. Biomaterial platforms have been developed to leverage these emerging concepts to augment therapeutic humoral immunity by facilitating immunogenic reagent trafficking, regulating T cell responses, and modulating the immune microenvironment. Moreover, biomaterial engineering tools have also advanced our understanding of B cell biology, further expediting the development of novel therapeutics. In this review, we will introduce the general concept of B cell immunobiology and highlight key biomaterial engineering strategies in the areas including B cell targeted antigen delivery, sustained B cell antigen delivery, antigen engineering, T cell help optimization, and B cell suppression. We will also discuss our perspective on future biomaterial engineering opportunities to leverage humoral immunity for therapeutics.
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Affiliation(s)
- Ali Zareein
- Department of Biomedical Engineering, Syracuse University, Syracuse, NY, USA.
- The BioInspired Institute for Material and Living Systems, Syracuse University, Syracuse, NY, USA
| | - Mina Mahmoudi
- Department of Biomedical Engineering, Syracuse University, Syracuse, NY, USA.
- The BioInspired Institute for Material and Living Systems, Syracuse University, Syracuse, NY, USA
| | - Shruti Sunil Jadhav
- Department of Biomedical Engineering, Syracuse University, Syracuse, NY, USA.
| | - Joel Wilmore
- Department of Microbiology & Immunology, SUNY Upstate Medical University, Syracuse, NY, USA
| | - Yaoying Wu
- Department of Biomedical Engineering, Syracuse University, Syracuse, NY, USA.
- The BioInspired Institute for Material and Living Systems, Syracuse University, Syracuse, NY, USA
- Department of Microbiology & Immunology, SUNY Upstate Medical University, Syracuse, NY, USA
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9
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Jiménez-Martínez M, Dankers W, van Baarsen LGM. The key role of the lymph node niche in the development of rheumatoid arthritis. Joint Bone Spine 2024; 91:105661. [PMID: 37977526 DOI: 10.1016/j.jbspin.2023.105661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/16/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023]
Affiliation(s)
- Marina Jiménez-Martínez
- Department of Rheumatology and Clinical Immunology, Amsterdam UMC, location AMC, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Rheumatology and Immunology Center (ARC), Amsterdam, The Netherlands; Lab of Experimental Immunology, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Infection and Immunity, Inflammatory Diseases, Amsterdam, The Netherlands; Amsterdam Movement Sciences, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Wendy Dankers
- Department of Rheumatology and Clinical Immunology, Amsterdam UMC, location AMC, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Rheumatology and Immunology Center (ARC), Amsterdam, The Netherlands; Lab of Experimental Immunology, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Infection and Immunity, Inflammatory Diseases, Amsterdam, The Netherlands
| | - Lisa G M van Baarsen
- Department of Rheumatology and Clinical Immunology, Amsterdam UMC, location AMC, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Rheumatology and Immunology Center (ARC), Amsterdam, The Netherlands; Lab of Experimental Immunology, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands; Amsterdam Infection and Immunity, Inflammatory Diseases, Amsterdam, The Netherlands; Amsterdam Movement Sciences, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands.
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10
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Al-Ramadan SY, Moqbel MS, Akhodair KM, Rajendran P, Salem KTAM, Alshubaith IH, Alluwaimi AM. Innate and adaptive immune responses in the intestine of camel (Camelus dromedarius) naturally infected with Mycobacterium avium subspecies paratuberculosis. Trop Anim Health Prod 2024; 56:87. [PMID: 38393533 DOI: 10.1007/s11250-024-03924-0] [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: 06/09/2023] [Accepted: 02/06/2024] [Indexed: 02/25/2024]
Abstract
The spread of John's disease in camel herds (Camelus dromedarius) has been worldwide reported. Despite extensive studies on Mycobacterium avium subspecies paratuberculosis (MAP) infection in camels, the complete pathogenesis and epidemiology of this infection have not been fully exploited. The objective of the study is focusing on the nature of the immune responses, and the types of the recruited cells were studied in the intestine of naturally infected camels employing immunohistochemistry to analyze the expression of CD335, CD103, CD11b, and CD38 markers. Marked expression of some or all of the markers was observed in the ileum, mesenteric, and supramammary lymph nodes of the old infected camels. The expression of CD335, a well-known natural killer (NK) cell marker, was detected in the mesenteric lymph node, while the dendritic cell (DCs) marker, CD103, was markedly expressed in the villi and propria submucosa (PS) of the ileum in old infected camels. CD103 + and CD11b + DCs were detected in the mesenteric lymph nodes of young infected camels. The expression of CD38, a crucial proinflammatory marker, was more noticeable in the peripheral region of the mesenteric lymph node. The expression of these markers in the infected camel intestine was peculiar and is reported for the first time. In summary, the unique expression patterns of CD335, CD103, CD11b, and CD38 markers in naturally infected camel intestines revealed through immunohistochemistry new insights into the immune responses associated with MAP infection. These first-time observations suggest potential roles of innate and adaptive immunity, highlighting specific aspects of MAP immunopathology. Further studies with targeted tools are crucial for a precise understanding of these markers' roles in the infected intestines.
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Affiliation(s)
- Saeed Y Al-Ramadan
- Department of Anatomy, College of Veterinary Medicine, King Faisal University, 31982, Al-Ahsa, Saudi Arabia.
| | - M S Moqbel
- Department of Anatomy, College of Veterinary Medicine, King Faisal University, 31982, Al-Ahsa, Saudi Arabia
| | - K M Akhodair
- Department of Anatomy, College of Veterinary Medicine, King Faisal University, 31982, Al-Ahsa, Saudi Arabia
| | - P Rajendran
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
- COMManD, Department of Biochemistry, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Velappanchavadi, Chennai, 600 077, Tamil Nadu, India
| | - K T Al-Mohammed Salem
- Animal Resources Management, Ministry of Environment, Water and Agriculture, Al-Ahsa, Saudi Arabia
| | - I H Alshubaith
- International Organizations and Healthy Cities Department, Al-Ahsa Municipality, Al-Ahsa, Saudi Arabia
| | - A M Alluwaimi
- Formerly Department of Microbiology and Parasitology, College of Veterinary Medicine, King Faisal University, Al-Ahsa, Saudi Arabia
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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: 2] [Impact Index Per Article: 2.0] [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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Thim EA, Kitelinger LE, Rivera-Escalera F, Mathew AS, Elliott MR, Bullock TNJ, Price RJ. Focused ultrasound ablation of melanoma with boiling histotripsy yields abscopal tumor control and antigen-dependent dendritic cell activation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.09.02.552844. [PMID: 37732205 PMCID: PMC10508728 DOI: 10.1101/2023.09.02.552844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Background Boiling histotripsy (BH), a mechanical focused ultrasound ablation strategy, can elicit intriguing signatures of anti-tumor immunity. However, the influence of BH on dendritic cell function is unknown, compromising our ability to optimally combine BH with immunotherapies to control metastatic disease. Methods BH was applied using a sparse scan (1 mm spacing between sonications) protocol to B16F10-ZsGreen melanoma in bilateral and unilateral settings. Ipsilateral and contralateral tumor growth was measured. Flow cytometry was used to track ZsGreen antigen and assess how BH drives dendritic cell behavior. Results BH monotherapy elicited ipsilateral and abscopal tumor control in this highly aggressive model. Tumor antigen presence in immune cells in the tumor-draining lymph nodes (TDLNs) was ~3-fold greater at 24h after BH, but this abated by 96h. B cells, macrophages, monocytes, granulocytes, and both conventional dendritic cell subsets (i.e. cDC1s and cDC2s) acquired markedly more antigen with BH. BH drove activation of both cDC subsets, with activation being dependent upon tumor antigen acquisition. Our data also suggest that BH-liberated tumor antigen is complexed with damage-associated molecular patterns (DAMPs) and that cDCs do not traffic to the TDLN with antigen. Rather, they acquire antigen as it flows through afferent lymph vessels into the TDLN. Conclusion When applied with a sparse scan protocol, BH monotherapy elicits abscopal melanoma control and shapes dendritic cell function through several previously unappreciated mechanisms. These results offer new insight into how to best combine BH with immunotherapies for the treatment of metastatic melanoma.
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Affiliation(s)
- Eric A. Thim
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA 22908
| | | | - Fátima Rivera-Escalera
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, VA 22908
| | - Alexander S. Mathew
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA 22908
| | - Michael R. Elliott
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, VA 22908
| | | | - Richard J. Price
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA 22908
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13
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Yada Y, Matsumoto M, Inoue T, Baba A, Higuchi R, Kawai C, Yanagisawa M, Kitamura D, Ohga S, Kurosaki T, Baba Y. STIM-mediated calcium influx regulates maintenance and selection of germinal center B cells. J Exp Med 2024; 221:e20222178. [PMID: 37902601 PMCID: PMC10615893 DOI: 10.1084/jem.20222178] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 09/02/2023] [Accepted: 10/05/2023] [Indexed: 10/31/2023] Open
Abstract
Positive selection of high-affinity germinal center (GC) B cells is driven by antigen internalization through their B cell receptor (BCR) and presentation to follicular helper T cells. However, the requirements of BCR signaling in GC B cells remain poorly understood. Store-operated Ca2+ entry, mediated by stromal interacting molecule 1 (STIM1) and STIM2, is the main Ca2+ influx pathway triggered by BCR engagement. Here, we showed that STIM-deficient B cells have reduced B cell competitiveness compared with wild-type B cells during GC responses. B cell-specific deletion of STIM proteins decreased the number of high-affinity B cells in the late phase of GC formation. STIM deficiency did not affect GC B cell proliferation and antigen presentation but led to the enhancement of apoptosis due to the impaired upregulation of anti-apoptotic Bcl2a1. STIM-mediated activation of NFAT was required for the expression of Bcl2a1 after BCR stimulation. These findings suggest that STIM-mediated survival signals after antigen capture regulate the optimal selection and maintenance of GC B cells.
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Affiliation(s)
- Yutaro Yada
- Division of Immunology and Genome Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masanori Matsumoto
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
- Department of Pathobiology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Takeshi Inoue
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Akemi Baba
- Division of Immunology and Genome Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Ryota Higuchi
- Division of Immunology and Genome Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
| | - Chie Kawai
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Masashi Yanagisawa
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba, Tsukuba, Japan
| | - Daisuke Kitamura
- Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Shouichi Ohga
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
- Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Yoshihiro Baba
- Division of Immunology and Genome Biology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
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14
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Hanson CH, Henry B, Andhare P, Lin FJ, Pak H, Turner JS, Adams LJ, Liu T, Fremont DH, Ellebedy AH, Laidlaw BJ. CD62L expression marks a functionally distinct subset of memory B cells. Cell Rep 2023; 42:113542. [PMID: 38060451 PMCID: PMC10842417 DOI: 10.1016/j.celrep.2023.113542] [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: 07/06/2023] [Revised: 10/26/2023] [Accepted: 11/20/2023] [Indexed: 12/30/2023] Open
Abstract
The memory B cell response consists of phenotypically distinct subsets that differ in their ability to respond upon antigen re-encounter. However, the pathways regulating the development and function of memory B cell subsets are poorly understood. Here, we show that CD62L and CD44 are progressively expressed on mouse memory B cells and identify transcriptionally and functionally distinct memory B cell subsets. Bcl6 is important in regulating memory B cell subset differentiation with overexpression of Bcl6 resulting in impaired CD62L+ memory B cell development. Bcl6 regulates memory B cell subset development through control of a network of genes, including Bcl2 and Zeb2. Overexpression of Zeb2 impairs the development of CD62L+ memory B cells. Importantly, CD62L is also differentially expressed on human memory B cells following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination and identifies phenotypically distinct populations. Together, these data indicate that CD62L expression marks functionally distinct memory B cell subsets.
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Affiliation(s)
- Christopher H Hanson
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Brittany Henry
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Pradhnesh Andhare
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Frank J Lin
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Haley Pak
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Jackson S Turner
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Lucas J Adams
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Tom Liu
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Daved H Fremont
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA; Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA; Department of Biochemistry and Molecular Biophysics, 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; The Andrew M. and Jane M. Bursky Center for Human Immunology & Immunotherapy Programs, Washington University School of Medicine, Saint Louis, MO, USA; Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, Saint Louis, MO, USA
| | - Brian J Laidlaw
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.
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15
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Nguyen JH. Draining Lymph Nodes in Human Kidney Pancreas Transplant: Potential Implications in Alloimmunity and Tolerance. Transplant Proc 2023; 55:2183-2185. [PMID: 37748965 DOI: 10.1016/j.transproceed.2023.08.010] [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: 04/21/2023] [Revised: 07/07/2023] [Accepted: 08/01/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Draining lymph nodes (DLNs) are implicated in alloimmunity and tolerance regulation. The role of DLNs in human organ transplant is unknown due to the lack of relevant clinical tissues. METHODS During a combined kidney and pancreas transplant, the distal vena cava and both right and left common and external iliac vessels were mobilized and exposed. Draining lymph nodes along these vessels were removed sequentially and archived before the pancreas transplant. Similarly, the DLNs along the left iliac vessels were removed and archived before implantation of the kidney allograft. RESULTS Among 13 patients undergoing kidney and pancreas transplants, 6 had pre- and postreperfusion DLNs clinically archived. The remaining 7 either had only prereperfusion DLNs archived or none. Clinical archiving of DLNs did not alter operative times or parameters. CONCLUSION This study describes an approach for clinical archiving of DLNs obtained within the operative field during combined kidney-pancreas transplant in humans. The availability of relevant DLNs is essential for investigating fundamental initial primary immune responses potentially important in allograft alloimmunity and tolerance.
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Affiliation(s)
- Justin H Nguyen
- Division of Transplant Surgery, Mayo Clinic, Jacksonville, Florida.
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16
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Brooks JF, Riggs J, Mueller JL, Mathenge R, Wholey WY, Meyer AR, Yoda ST, Vykunta VS, Nielsen HV, Cheng W, Zikherman J. Molecular basis for potent B cell responses to antigen displayed on particles of viral size. Nat Immunol 2023; 24:1762-1777. [PMID: 37653247 PMCID: PMC10950062 DOI: 10.1038/s41590-023-01597-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 07/18/2023] [Indexed: 09/02/2023]
Abstract
Multivalent viral epitopes induce rapid, robust and T cell-independent humoral immune responses, but the biochemical basis for such potency remains incompletely understood. We take advantage of a set of liposomes of viral size engineered to display affinity mutants of the model antigen (Ag) hen egg lysozyme. Particulate Ag induces potent 'all-or-none' B cell responses that are density dependent but affinity independent. Unlike soluble Ag, particulate Ag induces signal amplification downstream of the B cell receptor by selectively evading LYN-dependent inhibitory pathways and maximally activates NF-κB in a manner that mimics T cell help. Such signaling induces MYC expression and enables even low doses of particulate Ag to trigger robust B cell proliferation in vivo in the absence of adjuvant. We uncover a molecular basis for highly sensitive B cell responses to viral Ag display that is independent of encapsulated nucleic acids and is not merely accounted for by avidity and B cell receptor cross-linking.
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Affiliation(s)
- Jeremy F Brooks
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA
| | - Julianne Riggs
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA
- Biomedical Sciences Graduate Program, University of California, San Francisco, CA, USA
| | - James L Mueller
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA
| | - Raisa Mathenge
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA
| | - Wei-Yun Wholey
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
| | - Alexander R Meyer
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
| | - Sekou-Tidiane Yoda
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA
| | - Vivasvan S Vykunta
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA
| | - Hailyn V Nielsen
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA
| | - Wei Cheng
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, USA.
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA.
| | - Julie Zikherman
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, USA.
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17
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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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18
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Maisel K, McClain CA, Bogseth A, Thomas SN. Nanotechnologies for Physiology-Informed Drug Delivery to the Lymphatic System. Annu Rev Biomed Eng 2023; 25:233-256. [PMID: 37000965 PMCID: PMC10879987 DOI: 10.1146/annurev-bioeng-092222-034906] [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: 11/05/2023]
Abstract
Accompanying the increasing translational impact of immunotherapeutic strategies to treat and prevent disease has been a broadening interest across both bioscience and bioengineering in the lymphatic system. Herein, the lymphatic system physiology, ranging from its tissue structures to immune functions and effects, is described. Design principles and engineering approaches to analyze and manipulate this tissue system in nanoparticle-based drug delivery applications are also elaborated.
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Affiliation(s)
- Katharina Maisel
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA;
| | - Claire A McClain
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA;
| | - Amanda Bogseth
- Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA;
| | - Susan N Thomas
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA;
- George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
- Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia, USA
- Winship Cancer Institute, Emory University, Atlanta, Georgia, USA
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19
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Ozulumba T, Montalbine AN, Ortiz-Cárdenas JE, Pompano RR. New tools for immunologists: models of lymph node function from cells to tissues. Front Immunol 2023; 14:1183286. [PMID: 37234163 PMCID: PMC10206051 DOI: 10.3389/fimmu.2023.1183286] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 04/20/2023] [Indexed: 05/27/2023] Open
Abstract
The lymph node is a highly structured organ that mediates the body's adaptive immune response to antigens and other foreign particles. Central to its function is the distinct spatial assortment of lymphocytes and stromal cells, as well as chemokines that drive the signaling cascades which underpin immune responses. Investigations of lymph node biology were historically explored in vivo in animal models, using technologies that were breakthroughs in their time such as immunofluorescence with monoclonal antibodies, genetic reporters, in vivo two-photon imaging, and, more recently spatial biology techniques. However, new approaches are needed to enable tests of cell behavior and spatiotemporal dynamics under well controlled experimental perturbation, particularly for human immunity. This review presents a suite of technologies, comprising in vitro, ex vivo and in silico models, developed to study the lymph node or its components. We discuss the use of these tools to model cell behaviors in increasing order of complexity, from cell motility, to cell-cell interactions, to organ-level functions such as vaccination. Next, we identify current challenges regarding cell sourcing and culture, real time measurements of lymph node behavior in vivo and tool development for analysis and control of engineered cultures. Finally, we propose new research directions and offer our perspective on the future of this rapidly growing field. We anticipate that this review will be especially beneficial to immunologists looking to expand their toolkit for probing lymph node structure and function.
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Affiliation(s)
- Tochukwu Ozulumba
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
| | - Alyssa N. Montalbine
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, United States
| | - Jennifer E. Ortiz-Cárdenas
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
- Department of Bioengineering, Stanford University, Stanford, CA, United States
| | - Rebecca R. Pompano
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, United States
- Carter Immunology Center and University of Virginia (UVA) Cancer Center, University of Virginia School of Medicine, Charlottesville, VA, United States
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20
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Chen ST, Oliveira TY, Gazumyan A, Cipolla M, Nussenzweig MC. B cell receptor signaling in germinal centers prolongs survival and primes B cells for selection. Immunity 2023; 56:547-561.e7. [PMID: 36882061 PMCID: PMC10424567 DOI: 10.1016/j.immuni.2023.02.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 10/28/2022] [Accepted: 02/08/2023] [Indexed: 03/08/2023]
Abstract
Germinal centers (GCs) are sites of B cell clonal expansion, diversification, and antibody affinity selection. This process is limited and directed by T follicular helper cells that provide helper signals to B cells that endocytose, process, and present cognate antigens in proportion to their B cell receptor (BCR) affinity. Under this model, the BCR functions as an endocytic receptor for antigen capture. How signaling through the BCR contributes to selection is not well understood. To investigate the role of BCR signaling in GC selection, we developed a tracker for antigen binding and presentation and a Bruton's tyrosine kinase drug-resistant-mutant mouse model. We showed that BCR signaling per se is necessary for the survival and priming of light zone B cells to receive T cell help. Our findings provide insight into how high-affinity antibodies are selected within GCs and are fundamental to our understanding of adaptive immunity and vaccine development.
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Affiliation(s)
- Spencer T Chen
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.
| | - Thiago Y Oliveira
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Anna Gazumyan
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Melissa Cipolla
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Michel C Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA; Howard Hughes Medical Institute (HHMI), The Rockefeller University, New York, NY 10065, USA.
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21
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Brooks JF, Riggs J, Mueller JL, Mathenge R, Wholey WY, Yoda ST, Vykunta VS, Cheng W, Zikherman J. Molecular basis for potent B cell responses to antigen displayed on particles of viral size. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.15.528761. [PMID: 36824873 PMCID: PMC9949087 DOI: 10.1101/2023.02.15.528761] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Although it has long been appreciated that multivalent antigens - and particularly viral epitope display - produce extremely rapid, robust, and T-independent humoral immune responses, the biochemical basis for such potency has been incompletely understood. Here we take advantage of a set of neutral liposomes of viral size that are engineered to display affinity mutants of the model antigen (Ag) hen egg lysozyme at precisely varied density. We show that particulate Ag display by liposomes induces highly potent B cell responses that are dose-and density-dependent but affinity-independent. Titrating dose of particulate, but not soluble, Ag reveals bimodal Erk phosphorylation and cytosolic calcium increases. Particulate Ag induces signal amplification downstream of the B cell receptor (BCR) by selectively evading LYN-dependent inhibitory pathways, but in vitro potency is independent of CD19. Importantly, Ag display on viral-sized particles signals independently of MYD88 and IRAK1/4, but activates NF- κ B robustly in a manner that mimics T cell help. Together, such biased signaling by particulate Ag promotes MYC expression and reduces the threshold required for B cell proliferation relative to soluble Ag. These findings uncover a molecular basis for highly sensitive B cell response to viral Ag display and remarkable potency of virus-like particle vaccines that is not merely accounted for by avidity and BCR cross-linking, and is independent of the contribution of B cell nucleic acid-sensing machinery.
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22
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Xia D, Toy R, Pradhan P, Hejri A, Chae J, Grossniklaus HE, Cursiefen C, Roy K, Prausnitz MR. Enhanced immune responses to vaccine antigens in the corneal stroma. J Control Release 2023; 353:434-446. [PMID: 36462639 PMCID: PMC9892265 DOI: 10.1016/j.jconrel.2022.11.045] [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: 07/25/2022] [Revised: 11/24/2022] [Accepted: 11/26/2022] [Indexed: 12/12/2022]
Abstract
To examine the widely accepted dogma that the eye is an immune-privileged organ that can suppress antigen immunogenicity, we explored systemic immune responses to a model vaccine antigen (tetanus toxoid) delivered to six compartments of the rodent eye (ocular surface, corneal stroma, anterior chamber, subconjunctival space, suprachoroidal space, vitreous body). We discovered that antigens delivered to corneal stroma induced enhanced, rather than suppressed, antigen-specific immune responses, which were 18- to 30-fold greater than conventional intramuscular injection and comparable to intramuscular vaccination with alum adjuvant. Systemic immune responses to antigen delivered to the other ocular compartments were much weaker. The enhanced systemic immune responses after intrastromal injection were related to a sequence of events involving the formation of an antigen "depot" in the avascular stroma, infiltration of antigen-presenting cells, up-regulation of MHC class II and costimulatory molecules CD80/CD86, and induction of lymphangiogenesis in the corneal stroma facilitating sustained presentation of antigen to the lymphatic system. These enhanced immune responses in corneal stroma suggest new approaches to medical interventions for ocular immune diseases and vaccination methods.
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Affiliation(s)
- Dengning Xia
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Randall Toy
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Pallab Pradhan
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Amir Hejri
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Jeremy Chae
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Hans E Grossniklaus
- Departments of Ophthalmology and Pathology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Claus Cursiefen
- Department of Ophthalmology, University of Cologne, Cologne 50937, Germany
| | - Krishnendu Roy
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA.
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23
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Hinke DM, Andersen TK, Gopalakrishnan RP, Skullerud LM, Werninghaus IC, Grødeland G, Fossum E, Braathen R, Bogen B. Antigen bivalency of antigen-presenting cell-targeted vaccines increases B cell responses. Cell Rep 2022; 39:110901. [PMID: 35649357 DOI: 10.1016/j.celrep.2022.110901] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 04/09/2022] [Accepted: 05/10/2022] [Indexed: 11/25/2022] Open
Abstract
Antibodies are important for vaccine efficacy. Targeting antigens to antigen-presenting cells (APCs) increases antibody levels. Here, we explore the role of antigen valency in MHC class II (MHCII)-targeted vaccines delivered as DNA. We design heterodimeric proteins that carry either two identical (bivalent vaccines), or two different antigens (monovalent vaccines). Bivalent vaccines with two identical influenza hemagglutinins (HA) elicit higher amounts of anti-HA antibodies in mice than monovalent versions with two different HAs. Bivalent vaccines increase the levels of germinal center (GC) B cells and long-lived plasma cells. Only HA-bivalent vaccines completely protect mice against challenge with homologous influenza virus. Similar results are obtained with other antigens by targeting CD11c and Xcr1 on dendritic cells (DCs) or when administering the vaccine as protein with adjuvant. Bivalency probably increases B cell responses by cross-linking BCRs in readily observable DC-B cell synapses. These results are important for generating potent APC-targeted vaccines.
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Affiliation(s)
- Daniëla Maria Hinke
- K.G. Jebsen Centre for Influenza Vaccine Research, Institute of Clinical Medicine, University of Oslo, Oslo 0372, Norway; Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway
| | - Tor Kristian Andersen
- K.G. Jebsen Centre for Influenza Vaccine Research, Institute of Clinical Medicine, University of Oslo, Oslo 0372, Norway; Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway
| | | | - Lise Madelene Skullerud
- Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway
| | | | - Gunnveig Grødeland
- K.G. Jebsen Centre for Influenza Vaccine Research, Institute of Clinical Medicine, University of Oslo, Oslo 0372, Norway; Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway
| | - Even Fossum
- K.G. Jebsen Centre for Influenza Vaccine Research, Institute of Clinical Medicine, University of Oslo, Oslo 0372, Norway; Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway
| | - Ranveig Braathen
- K.G. Jebsen Centre for Influenza Vaccine Research, Institute of Clinical Medicine, University of Oslo, Oslo 0372, Norway; Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway.
| | - Bjarne Bogen
- K.G. Jebsen Centre for Influenza Vaccine Research, Institute of Clinical Medicine, University of Oslo, Oslo 0372, Norway; Department of Immunology (IMM), University of Oslo and Oslo University Hospital, Oslo 0372, Norway.
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24
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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: 11] [Impact Index Per Article: 5.5] [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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25
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Long Z, Phillips B, Radtke D, Meyer-Hermann M, Bannard O. Competition for refueling rather than cyclic reentry initiation evident in germinal centers. Sci Immunol 2022; 7:eabm0775. [PMID: 35275753 PMCID: PMC7614495 DOI: 10.1126/sciimmunol.abm0775] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Antibody affinity maturation occurs in germinal centers (GCs) through iterative rounds of somatic hypermutation and proliferation in dark zones (DZs) and selection in light zones (LZs). GC B cells exit cell cycle a number of hours before entering LZs; therefore, continued participation in responses requires that they subsequently reenter cell cycle and move back to DZs, a process known as cyclic reentry. Affinity enhancements are thought to arise by B cells having to compete to initiate cyclic reentry each time they enter LZs, with T cell help being a major determinant; however, direct proof is lacking. Using Fucci2 mice, we confirmed an association between B cell receptor affinity and the first step of cyclic reentry, S phase initiation from a resting LZ state. However, neither T cell ablation nor MHCII deletion prevented resting LZ cells from reentering cell cycle, and this late G1-S transition was also not detectably restricted by competition. In contrast, using BATF induction as exemplar, we found that T cells "refueled" LZ cells in an affinity-dependent manner that was limited by both competition and cells' intrinsic antigen-acquiring abilities. Therefore, cyclic reentry initiation and B cell refueling are independently regulated in GCs, which may contribute to permitting cells of different competencies to be sustained alongside each other and allow T cell support to be provided across a dynamic range commensurate with affinity. We speculate that this less binary selection mechanism could help GCs nurture complex antibody maturation pathways and support the clonal diversity required for countering fast-evolving pathogens.
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Affiliation(s)
- Ziqi Long
- MRC Human Immunology Unit, Nuffield Department of Medicine, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Bethan Phillips
- MRC Human Immunology Unit, Nuffield Department of Medicine, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Daniel Radtke
- MRC Human Immunology Unit, Nuffield Department of Medicine, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Michael Meyer-Hermann
- Department of Systems Biology and Braunschweig Integrated Center for Systems Biology (BRICS), Helmholtz Center for Infection Research, Rebenring 56, D-38106 Braunschweig, Germany.,Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Braunschweig, Germany
| | - Oliver Bannard
- MRC Human Immunology Unit, Nuffield Department of Medicine, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
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26
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Latif MB, Shukla S, Del Rio Estrada PM, Ribeiro SP, Sekaly RP, Sharma AA. Immune mechanisms in cancer patients that lead to poor outcomes of SARS-CoV-2 infection. Transl Res 2022; 241:83-95. [PMID: 34871809 PMCID: PMC8641406 DOI: 10.1016/j.trsl.2021.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/28/2021] [Accepted: 12/01/2021] [Indexed: 02/09/2023]
Abstract
Patients with cancers have been severely affected by the COVID-19 pandemic. This is highlighted by the adverse outcomes in cancer patients with COVID-19 as well as by the impact of the COVID-19 pandemic on cancer care. Patients with cancer constitute a heterogeneous population that exhibits distinct mechanisms of immune dysfunction, associated with distinct systemic features of hot (T-cell-inflamed/infiltrated) and cold (Non-T-cell-inflamed and/or infiltrated) tumors. The former show hyper immune activated cells and a highly inflammatory environment while, contrastingly, the latter show the profile of a senescent and/or quiescent immune system. Thus, the evolution of SARS-CoV-2 infection in different types of cancers can show distinct trajectories which could lead to a variety of clinical and pathophysiological outcomes. The altered immunological environment including cytokines that characterizes hot and cold tumors will lead to different mechanisms of immune dysfunction, which will result in downstream effects on the course of SARS-CoV-2 infection. This review will focus on defining the known contributions of soluble pro- and anti-inflammatory mediators on immune function including altered T-cells and B-cells responses and as well on how these factors modulate the expression of SARS-CoV-2 receptor ACE2, TMPRSS2 expression, and lymph node fibrosis in cancer patients. We will propose immune mechanisms that underlie the distinct courses of SARS-CoV-2 infection in cancer patients and impact on the success of immune based therapies that have significantly improved cancer outcomes. Better understanding of the immune mechanisms prevalent in cancer patients that are associated to the outcomes of SARS-CoV-2 infection will help to identify the high-risk cancer patients and develop immune-based approaches to prevent significant adverse outcomes by targeting these pathways.
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Affiliation(s)
- Muhammad Bilal Latif
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia
| | - Sudhanshu Shukla
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia
| | - Perla Mariana Del Rio Estrada
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia
| | - Susan Pereira Ribeiro
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia
| | - Rafick Pierre Sekaly
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia.
| | - Ashish Arunkumar Sharma
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, Georgia
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27
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Huang JY, Lyons-Cohen MR, Gerner MY. Information flow in the spatiotemporal organization of immune responses. Immunol Rev 2022; 306:93-107. [PMID: 34845729 PMCID: PMC8837692 DOI: 10.1111/imr.13046] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 12/15/2022]
Abstract
Immune responses must be rapid, tightly orchestrated, and tailored to the encountered stimulus. Lymphatic vessels facilitate this process by continuously collecting immunological information (ie, antigens, immune cells, and soluble mediators) about the current state of peripheral tissues, and transporting these via the lymph across the lymphatic system. Lymph nodes (LNs), which are critical meeting points for innate and adaptive immune cells, are strategically located along the lymphatic network to intercept this information. Within LNs, immune cells are spatially organized, allowing them to efficiently respond to information delivered by the lymph, and to either promote immune homeostasis or mount protective immune responses. These responses involve the activation and functional cooperation of multiple distinct cell types and are tailored to the specific inflammatory conditions. The natural patterns of lymph flow can also generate spatial gradients of antigens and agonists within draining LNs, which can in turn further regulate innate cell function and localization, as well as the downstream generation of adaptive immunity. In this review, we explore how information transmitted by the lymph shapes the spatiotemporal organization of innate and adaptive immune responses in LNs, with particular focus on steady state and Type-I vs. Type-II inflammation.
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Affiliation(s)
| | | | - Michael Y Gerner
- Corresponding author: Michael Gerner, , Address: 750 Republican Street Seattle, WA 98109, Phone: 206-685-3610
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28
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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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29
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Garg AK, Mittal S, Padmanabhan P, Desikan R, Dixit NM. Increased B Cell Selection Stringency In Germinal Centers Can Explain Improved COVID-19 Vaccine Efficacies With Low Dose Prime or Delayed Boost. Front Immunol 2021; 12:776933. [PMID: 34917089 PMCID: PMC8669483 DOI: 10.3389/fimmu.2021.776933] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 11/10/2021] [Indexed: 12/17/2022] Open
Abstract
The efficacy of COVID-19 vaccines appears to depend in complex ways on the vaccine dosage and the interval between the prime and boost doses. Unexpectedly, lower dose prime and longer prime-boost intervals have yielded higher efficacies in clinical trials. To elucidate the origins of these effects, we developed a stochastic simulation model of the germinal center (GC) reaction and predicted the antibody responses elicited by different vaccination protocols. The simulations predicted that a lower dose prime could increase the selection stringency in GCs due to reduced antigen availability, resulting in the selection of GC B cells with higher affinities for the target antigen. The boost could relax this selection stringency and allow the expansion of the higher affinity GC B cells selected, improving the overall response. With a longer dosing interval, the decay in the antigen with time following the prime could further increase the selection stringency, amplifying this effect. The effect remained in our simulations even when new GCs following the boost had to be seeded by memory B cells formed following the prime. These predictions offer a plausible explanation of the observed paradoxical effects of dosage and dosing interval on vaccine efficacy. Tuning the selection stringency in the GCs using prime-boost dosages and dosing intervals as handles may help improve vaccine efficacies.
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Affiliation(s)
- Amar K. Garg
- Department of Chemical Engineering, Indian Institute of Science, Bangalore, India
| | - Soumya Mittal
- Department of Chemical Engineering, Indian Institute of Science, Bangalore, India
| | - Pranesh Padmanabhan
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Rajat Desikan
- Department of Chemical Engineering, Indian Institute of Science, Bangalore, India
| | - Narendra M. Dixit
- Department of Chemical Engineering, Indian Institute of Science, Bangalore, India
- Centre for Biosystems Science and Engineering, Indian Institute of Science, Bangalore, India
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30
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Luzuriaga MA, Herbert FC, Brohlin OR, Gadhvi J, Howlett T, Shahrivarkevishahi A, Wijesundara YH, Venkitapathi S, Veera K, Ehrman R, Benjamin CE, Popal S, Burton MD, Ingersoll MA, De Nisco NJ, Gassensmith JJ. Metal-Organic Framework Encapsulated Whole-Cell Vaccines Enhance Humoral Immunity against Bacterial Infection. ACS NANO 2021; 15:17426-17438. [PMID: 34546723 DOI: 10.1021/acsnano.1c03092] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The increasing rate of resistance of bacterial infection against antibiotics requires next generation approaches to fight potential pandemic spread. The development of vaccines against pathogenic bacteria has been difficult owing, in part, to the genetic diversity of bacteria. Hence, there are many potential target antigens and little a priori knowledge of which antigen/s will elicit protective immunity. The painstaking process of selecting appropriate antigens could be avoided with whole-cell bacteria; however, whole-cell formulations typically fail to produce long-term and durable immune responses. These complications are one reason why no vaccine against any type of pathogenic E. coli has been successfully clinically translated. As a proof of principle, we demonstrate a method to enhance the immunogenicity of a model pathogenic E. coli strain by forming a slow releasing depot. The E. coli strain CFT073 was biomimetically mineralized within a metal-organic framework (MOF). This process encapsulates the bacteria within 30 min in water and at ambient temperatures. Vaccination with this formulation substantially enhances antibody production and results in significantly enhanced survival in a mouse model of bacteremia compared to standard inactivated formulations.
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31
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Zhu M. Immunological perspectives on spatial and temporal vaccine delivery. Adv Drug Deliv Rev 2021; 178:113966. [PMID: 34506868 DOI: 10.1016/j.addr.2021.113966] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/22/2021] [Accepted: 09/05/2021] [Indexed: 12/19/2022]
Abstract
The so-called rational design of vaccines has been a very attractive concept and also an important direction for vaccine research and development. However, the underlying rationales, especially on the immunological aspect, remain less systemically and deeply understood. Given the critical role of lymph nodes (LNs) in the induction of B and T cell responses upon vaccination, LN targeting has been a popular strategy in vaccine design. The LN is a highly organized structure; induction of adaptive immune response is highly orchestrated by various types of LN stromal cells and hematopoietic immune cells both spatially and temporally. Thus, not only LN targeting, but also cellular targeting and even subcellular compartment targeting should be considered for specifically enhanced vaccine efficacy. Moreover, temporal control of vaccine antigen and adjuvant delivery may also optimize the immune response.
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32
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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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33
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Limited access to antigen drives generation of early B cell memory while restraining the plasmablast response. Immunity 2021; 54:2005-2023.e10. [PMID: 34525339 PMCID: PMC7612941 DOI: 10.1016/j.immuni.2021.08.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 05/26/2021] [Accepted: 07/07/2021] [Indexed: 01/08/2023]
Abstract
Cell fate decisions during early B cell activation determine the outcome of responses to pathogens and vaccines. We examined the early B cell response to T-dependent antigen in mice by single-cell RNA sequencing. Early after immunization, a homogeneous population of activated precursors (APs) gave rise to a transient wave of plasmablasts (PBs), followed a day later by the emergence of germinal center B cells (GCBCs). Most APs rapidly exited the cell cycle, giving rise to non-GC-derived early memory B cells (eMBCs) that retained an AP-like transcriptional profile. Rapid decline of antigen availability controlled these events; provision of excess antigen precluded cell cycle exit and induced a new wave of PBs. Fate mapping revealed a prominent contribution of eMBCs to the MBC pool. Quiescent cells with an MBC phenotype dominated the early response to immunization in primates. A reservoir of APs/eMBCs may enable rapid readjustment of the immune response when failure to contain a threat is manifested by increased antigen availability.
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34
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Shanti A, Hallfors N, Petroianu GA, Planelles L, Stefanini C. Lymph Nodes-On-Chip: Promising Immune Platforms for Pharmacological and Toxicological Applications. Front Pharmacol 2021; 12:711307. [PMID: 34483920 PMCID: PMC8415712 DOI: 10.3389/fphar.2021.711307] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 08/04/2021] [Indexed: 12/14/2022] Open
Abstract
Organs-on-chip are gaining increasing attention as promising platforms for drug screening and testing applications. However, lymph nodes-on-chip options remain limited although the lymph node is one of the main determinants of the immunotoxicity of newly developed pharmacological drugs. In this review, we describe existing biomimetic lymph nodes-on-chip, their design, and their physiological relevance to pharmacology and shed the light on future directions associated with lymph node-on-chip design and implementation in drug discovery and development.
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Affiliation(s)
- Aya Shanti
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Nicholas Hallfors
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Georg A Petroianu
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Lourdes Planelles
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Cesare Stefanini
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
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35
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Cinti I, Denton AE. Lymphoid stromal cells-more than just a highway to humoral immunity. OXFORD OPEN IMMUNOLOGY 2021; 2:iqab011. [PMID: 36845565 PMCID: PMC9914513 DOI: 10.1093/oxfimm/iqab011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 12/30/2022] Open
Abstract
The generation of high-affinity long-lived antibody responses is dependent on the differentiation of plasma cells and memory B cells, which are themselves the product of the germinal centre (GC) response. The GC forms in secondary lymphoid organs in response to antigenic stimulation and is dependent on the coordinated interactions between many types of leucocytes. These leucocytes are brought together on an interconnected network of specialized lymphoid stromal cells, which provide physical and chemical guidance to immune cells that are essential for the GC response. In this review we will highlight recent advancements in lymphoid stromal cell immunobiology and their role in regulating the GC, and discuss the contribution of lymphoid stromal cells to age-associated immunosenescence.
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Affiliation(s)
- Isabella Cinti
- Department of Immunology and Inflammation, Centre for Inflammatory Disease, Imperial College London W12 0NN, UK
| | - Alice E Denton
- Department of Immunology and Inflammation, Centre for Inflammatory Disease, Imperial College London W12 0NN, UK,Correspondence address. Alice E. Denton, Department of Immunology and Inflammation, Centre for Inflammatory Disease, Imperial College, London W12 0NN, UK. Tel:+44 (0)20 3313 8213. E-mail:
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36
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Immunopathology of Chronic Hepatitis B Infection: Role of Innate and Adaptive Immune Response in Disease Progression. Int J Mol Sci 2021; 22:ijms22115497. [PMID: 34071064 PMCID: PMC8197097 DOI: 10.3390/ijms22115497] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 02/07/2023] Open
Abstract
More than 250 million people are living with chronic hepatitis B despite the availability of highly effective vaccines and oral antivirals. Although innate and adaptive immune cells play crucial roles in controlling hepatitis B virus (HBV) infection, they are also accountable for inflammation and subsequently cause liver pathologies. During the initial phase of HBV infection, innate immunity is triggered leading to antiviral cytokines production, followed by activation and intrahepatic recruitment of the adaptive immune system resulting in successful virus elimination. In chronic HBV infection, significant alterations in both innate and adaptive immunity including expansion of regulatory cells, overexpression of co-inhibitory receptors, presence of abundant inflammatory mediators, and modifications in immune cell derived exosome release and function occurs, which overpower antiviral response leading to persistent viral infection and subsequent immune pathologies associated with disease progression towards fibrosis, cirrhosis, and hepatocellular carcinoma. In this review, we discuss the current knowledge of innate and adaptive immune cells transformations that are associated with immunopathogenesis and disease outcome in CHB patients.
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37
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The immune protection induced by a serine protease from the Trichinella spiralis adult against Trichinella spiralis infection in pigs. PLoS Negl Trop Dis 2021; 15:e0009408. [PMID: 33970910 PMCID: PMC8136858 DOI: 10.1371/journal.pntd.0009408] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 05/20/2021] [Accepted: 04/26/2021] [Indexed: 12/17/2022] Open
Abstract
Trichinellosis is a major foodborne parasitosis caused by Trichinella spiralis. In the present study, a serine protease gene from an adult T. spiralis (Ts-Adsp) cDNA library was cloned, expressed in Escherichia coli and purified by Ni-affinity chromatography. Previous studies of our laboratory have found that mice vaccinated with recombinant Ts-Adsp protein (rTs-Adsp) exhibited partial protection against T. spiralis infection. In this study, the protective effect of rTs-Adsp against T. spiralis infection in pigs was further explored. The cell-mediated and humoral immune responses induced by rTs-Adsp were measured, including the dynamic trends of specific antibody levels (IgG, IgG1, IgG2a and IgM), as well as the levels of cytokines (IFN-γ, IL-2, IL-4, and IL-10) in the serum. Moreover, the changes in T lymphocytes, B lymphocytes, and neutrophils were measured to evaluate cellular immune responses in pigs vaccinated with rTs-Adsp. The results indicated that a Th1-Th2 mixed immune response with Th1 predominant was induced by rTs-Adsp after vaccination. Flow cytometric analysis showed that the proportions of CD4+ T cells, B cells, and neutrophils in the immunized groups were significantly increased. Furthermore, pigs vaccinated with rTs-Adsp exhibited a 50.9% reduction in the muscle larvae burden, compare with pigs from the PBS group five weeks after challenged. Our results suggested that rTs-Adsp elicited partial protection and it could be a potential target molecule for preventing and controlling Trichinella transmission from pigs to human. Trichinellosis is a global foodborne parasitic disease caused by consuming raw or poorly cooked meat. The porcine products are the most common source. Therefore, it will have a great significance for public health security and human health to prevent and control the trichinellosis. We previously found that mice vaccinated with recombinant Adsp protein (rTs-Adsp) exhibited partial protection against T. spiralis infection. In this study, the protective effect of rTs-Adsp against challenge infections with T. spiralis in pigs was further explored. We found that rTs-Adsp elicited partial protection and it could be an important target molecule for preventing and controlling T. spiralis transmission from pigs to human.
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38
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Viana IMDO, Roussel S, Defrêne J, Lima EM, Barabé F, Bertrand N. Innate and adaptive immune responses toward nanomedicines. Acta Pharm Sin B 2021; 11:852-870. [PMID: 33747756 PMCID: PMC7955583 DOI: 10.1016/j.apsb.2021.02.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/04/2021] [Accepted: 02/12/2021] [Indexed: 12/16/2022] Open
Abstract
Since the commercialization of the first liposomes used for drug delivery, Doxil/Caelyx® and Myocet®, tremendous progress has been made in understanding interactions between nanomedicines and biological systems. Fundamental work at the interface of engineering and medicine has allowed nanomedicines to deliver therapeutic small molecules and nucleic acids more efficiently. While nanomedicines are used in oncology for immunotherapy or to deliver combinations of cytotoxics, the clinical successes of gene silencing approaches like patisiran lipid complexes (Onpattro®) have paved the way for a variety of therapies beyond cancer. In parallel, the global severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has highlighted the potential of mRNA vaccines to develop immunization strategies at unprecedented speed. To rationally design therapeutic and vaccines, chemists, materials scientists, and drug delivery experts need to better understand how nanotechnologies interact with the immune system. This review presents a comprehensive overview of the innate and adaptative immune systems and emphasizes the intricate mechanisms through which nanomedicines interact with these biological functions.
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39
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Fries CN, Curvino EJ, Chen JL, Permar SR, Fouda GG, Collier JH. Advances in nanomaterial vaccine strategies to address infectious diseases impacting global health. NATURE NANOTECHNOLOGY 2021; 16:1-14. [PMID: 32807876 DOI: 10.1038/s41565-020-0739-9] [Citation(s) in RCA: 118] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 06/23/2020] [Indexed: 05/18/2023]
Abstract
Despite the overwhelming success of vaccines in preventing infectious diseases, there remain numerous globally devastating diseases without fully protective vaccines, particularly human immunodeficiency virus (HIV), malaria and tuberculosis. Nanotechnology approaches are being developed both to design new vaccines against these diseases as well as to facilitate their global implementation. The reasons why a given pathogen may present difficulties for vaccine design are unique and tied to the co-evolutionary history of the pathogen and humans, but there are common challenges that nanotechnology is beginning to help address. In each case, a successful vaccine will need to raise immune responses that differ from the immune responses raised by normal infection. Nanomaterials, with their defined compositions, commonly modular construction, and length scales allowing the engagement of key immune pathways, collectively facilitate the iterative design process necessary to identify such protective immune responses and achieve them reliably. Nanomaterials also provide strategies for engineering the trafficking and delivery of vaccine components to key immune cells and lymphoid tissues, and they can be highly multivalent, improving their engagement with the immune system. This Review will discuss these aspects along with recent nanomaterial advances towards vaccines against infectious disease, with a particular emphasis on HIV/AIDS, malaria and tuberculosis.
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Affiliation(s)
- Chelsea N Fries
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | | | - Jui-Lin Chen
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
| | - Sallie R Permar
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA
- Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA
| | - Genevieve G Fouda
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA.
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA.
- Department of Pediatrics, Duke University Medical Center, Durham, NC, USA.
| | - Joel H Collier
- Department of Biomedical Engineering, Duke University, Durham, NC, USA.
- Department of Immunology, Duke University School of Medicine, Durham, NC, USA.
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Ripperger TJ, Bhattacharya D. Transcriptional and Metabolic Control of Memory B Cells and Plasma Cells. Annu Rev Immunol 2021; 39:345-368. [PMID: 33556247 DOI: 10.1146/annurev-immunol-093019-125603] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
For many infections and almost all vaccines, neutralizing-antibody-mediated immunity is the primary basis and best functional correlate of immunological protection. Durable long-term humoral immunity is mediated by antibodies secreted by plasma cells that preexist subsequent exposures and by memory B cells that rapidly respond to infections once they have occurred. In the midst of the current pandemic of coronavirus disease 2019, it is important to define our current understanding of the unique roles of memory B cells and plasma cells in immunity and the factors that control the formation and persistence of these cell types. This fundamental knowledge is the basis to interpret findings from natural infections and vaccines. Here, we review transcriptional and metabolic programs that promote and support B cell fates and functions, suggesting points at which these pathways do and do not intersect.
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Affiliation(s)
- Tyler J Ripperger
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, Arizona 85724, USA; ,
| | - Deepta Bhattacharya
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, Arizona 85724, USA; ,
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Hallfors N, Shanti A, Sapudom J, Teo J, Petroianu G, Lee S, Planelles L, Stefanini C. Multi-Compartment Lymph-Node-on-a-Chip Enables Measurement of Immune Cell Motility in Response to Drugs. Bioengineering (Basel) 2021; 8:bioengineering8020019. [PMID: 33572571 PMCID: PMC7912616 DOI: 10.3390/bioengineering8020019] [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: 12/10/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 02/07/2023] Open
Abstract
Organs On-a-Chip represent novel platforms for modelling human physiology and disease. The lymph node (LN) is a relevant immune organ in which B and T lymphocytes are spatially organized in a complex architecture, and it is the place where the immune response initiates. The present study addresses the utility of a recently designed LN-on-a-chip to dissect and understand the effect of drugs delivered to cells in a fluidic multicellular 3D setting that mimics the human LN. To do so, we analyzed the motility and viability of human B and T cells exposed to hydroxychloroquine (HCQ). We show that the innovative LN platform, which operates at a microscale level, allows real-time monitoring of co-cultured B and T cells by imaging, and supports cellular random movement. HCQ delivered to cells through a constant and continuous flow induces a reduction in T cell velocity while promotes persistent rotational motion. We also find that HCQ increases the production of reactive oxygen species in T cells. Taken together, these results highlight the potential of the LN-on-a-chip to be applied in drug screening and development, and in cellular dynamics studies.
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Affiliation(s)
- Nicholas Hallfors
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates; (N.H.); (A.S.); (S.L.)
| | - Aya Shanti
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates; (N.H.); (A.S.); (S.L.)
| | - Jiranuwat Sapudom
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (J.S.); (J.T.)
| | - Jeremy Teo
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (J.S.); (J.T.)
- Department of Mechanical Engineering, New York University, P.O. Box 903, New York, NY 10276-0903, USA
| | - Georg Petroianu
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates;
| | - SungMun Lee
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates; (N.H.); (A.S.); (S.L.)
- Khalifa University’s Center for Biotechnology, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Lourdes Planelles
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates; (N.H.); (A.S.); (S.L.)
- Correspondence: (C.S.); (L.P.); Tel.: +971-2-501-8472 (C.S. & L.P.)
| | - Cesare Stefanini
- Healthcare Engineering Innovation Center, Biomedical Engineering Department, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates; (N.H.); (A.S.); (S.L.)
- Correspondence: (C.S.); (L.P.); Tel.: +971-2-501-8472 (C.S. & L.P.)
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Cai Y, Yin W. The Multiple Functions of B Cells in Chronic HBV Infection. Front Immunol 2020; 11:582292. [PMID: 33381113 PMCID: PMC7767983 DOI: 10.3389/fimmu.2020.582292] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/16/2020] [Indexed: 12/11/2022] Open
Abstract
Chronic hepatitis B virus (HBV) infection is one of the main causes of liver diseases, of which the natural history and clinical outcomes are associated with the role of B cells. As humoral immune cells, B cells play a critical role in the process of anti-HBV antibody production. In addition, some studies have also characterized other B cell subsets involved in antigen presentation and regulating the immune response beyond antibody secretion. However, not all B cell subsets play a positive role in the immune response to chronic HBV infection, and various B cell subsets jointly mediate persistent HBV infection, tolerance, and liver damage. Thus, we further sought to elucidate the multiple functions of B cells to gain novel insight into the understanding of chronic hepatitis B (CHB) pathogenesis. We also reviewed the current immunotherapies targeting B cells to explore novel therapeutic interventions for the treatment of chronic HBV infection.
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Affiliation(s)
- Ying Cai
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Department of Infectious Diseases, Institute for Viral Hepatitis, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Wenwei Yin
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Department of Infectious Diseases, Institute for Viral Hepatitis, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Bein J, Thurner L, Hansmann M, Hartmann S. Lymphocyte predominant cells of nodular lymphocyte predominant Hodgkin lymphoma interact with rosetting T cells in an immunological synapse. Am J Hematol 2020; 95:1495-1502. [PMID: 32815561 DOI: 10.1002/ajh.25972] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/05/2020] [Accepted: 08/17/2020] [Indexed: 12/21/2022]
Abstract
Nodular lymphocyte predominant Hodgkin lymphoma (NLPHL) is a subtype of Hodgkin lymphoma with a preserved B-cell phenotype and follicular T helper (TFH ) cells rosetting around the tumor cells, the lymphocyte-predominant (LP) cells. As we recently described reactivity of the B-cell receptors of LP cells of some NLPHL cases with Moraxella spp. proteins, we hypothesized that LP cells could present peptides to rosetting T cells in a major histocompatibility complex class II (MHCII)-bound manner. Rosetting PD1+ T cells were present in the majority of NLPHL cases, both in typical (17/20) and variant patterns (16/19). In most cases, T-cell rosettes were CD69+ (typical NLPHL, 17/20; NLPHL variant, 14/19). Furthermore, both MHCII alpha and beta chains were expressed in the LP cells in 23/39 NLPHL. Proximity ligation assay and confocal laser imaging demonstrated interaction of the MHCII beta chain expressed by the LP cells and the T-cell receptor alpha chain expressed by rosetting T cells. We thus conclude that rosetting T cells in NLPHL express markers that are encountered after antigenic exposure, that MHCII is expressed by the LP cells, and that LP cells interact with rosetting T cells in an immunological synapse in a subset of cases. As they likely receive growth stimulatory signals in this way, blockade of this interaction, for example, by PD1-directed checkpoint inhibitors, could be a treatment option in a subset of cases in the future.
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Affiliation(s)
- Julia Bein
- Dr. Senckenberg Institute of Pathology Goethe University Frankfurt am Main Germany
| | - Lorenz Thurner
- Department of Internal Medicine I and José Carreras Center for Immuno‐ and Gene Therapy Saarland University Medical School Homburg/Saar Germany
| | - Martin‐Leo Hansmann
- Dr. Senckenberg Institute of Pathology Goethe University Frankfurt am Main Germany
- Frankfurt Institute of Advanced Studies Frankfurt am Main Germany
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology Goethe University Frankfurt am Main Germany
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Lee ALZ, Yang C, Gao S, Wang Y, Hedrick JL, Yang YY. Biodegradable Cationic Polycarbonates as Vaccine Adjuvants. ACS APPLIED MATERIALS & INTERFACES 2020; 12:52285-52297. [PMID: 33179910 DOI: 10.1021/acsami.0c09649] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, biodegradable cationic polycarbonate and polylactide block copolymers were synthesized and successfully used as novel vaccine adjuvants to provide enhanced anticancer immunity. The polymers formed nanoparticles with the model vaccine, ovalbumin (OVA), and the immunostimulant toll-like receptor 3 agonist poly(I:C) (a synthetic analog of the double-stranded RNA). Higher uptake of poly(I:C) by the bone marrow-derived dendritic cells and macrophages and OVA by dendritic cells was observed when delivered using the polymer adjuvant. In vivo experiments showed that these nanoparticles remained longer in the subcutaneous injection site as compared to OVA alone and led to higher production of anti-OVA specific antibodies with prolonged immunostimulation. When OVA was combined with poly(I:C) that was either co-entrapped in the same particles or as separate particles, a comparable level of anti-OVA IgG1 antibodies and interleukin-6 (IL-6) was produced in mouse blood plasma, and a similar level of cytotoxic T lymphocyte (CTL) response in mice was stimulated as compared to OVA/Alum particles. Furthermore, tumor rejection in the mice that were vaccinated for 9 months with the formulations containing the polymer adjuvant was stronger than the other treatment groups without the polymer. Notably, the cationic polycarbonates were not associated with any adverse in vivo effects. Thus, these biodegradable polymers may be promising substitutes for aluminum-based adjuvants in vaccine formulations.
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Affiliation(s)
- Ashlynn L Z Lee
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - Chuan Yang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - Shujun Gao
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
- NanoBio Lab, 31 Biopolis Way, #09-01 The Nanos, Singapore 138669, Singapore
| | - Yanming Wang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - James L Hedrick
- IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120 United States
| | - Yi Yan Yang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
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Zhou X, Jiang X, Qu M, Aninwene G, Jucaud V, Moon JJ, Gu Z, Sun W, Khademhosseini A. Engineering Antiviral Vaccines. ACS NANO 2020; 14:12370-12389. [PMID: 33001626 PMCID: PMC7534801 DOI: 10.1021/acsnano.0c06109] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 09/18/2020] [Indexed: 05/11/2023]
Abstract
Despite the vital role of vaccines in fighting viral pathogens, effective vaccines are still unavailable for many infectious diseases. The importance of vaccines cannot be overstated during the outbreak of a pandemic, such as the coronavirus disease 2019 (COVID-19) pandemic. The understanding of genomics, structural biology, and innate/adaptive immunity have expanded the toolkits available for current vaccine development. However, sudden outbreaks and the requirement of population-level immunization still pose great challenges in today's vaccine designs. Well-established vaccine development protocols from previous experiences are in place to guide the pipelines of vaccine development for emerging viral diseases. Nevertheless, vaccine development may follow different paradigms during a pandemic. For example, multiple vaccine candidates must be pushed into clinical trials simultaneously, and manufacturing capability must be scaled up in early stages. Factors from essential features of safety, efficacy, manufacturing, and distributions to administration approaches are taken into consideration based on advances in materials science and engineering technologies. In this review, we present recent advances in vaccine development by focusing on vaccine discovery, formulation, and delivery devices enabled by alternative administration approaches. We hope to shed light on developing better solutions for faster and better vaccine development strategies through the use of biomaterials, biomolecular engineering, nanotechnology, and microfabrication techniques.
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Affiliation(s)
- Xingwu Zhou
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095 USA
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Xing Jiang
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Moyuan Qu
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine. Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University School of Stomatology. Hangzhou, 310006, China
| | - George Aninwene
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095 USA
| | - Vadim Jucaud
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, USA
| | - James J. Moon
- Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Zhen Gu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095 USA
- California NanoSystems Institute, University of California, Los Angeles, CA, 90095, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, 90095, USA
| | - Wujin Sun
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095 USA
- California NanoSystems Institute, University of California, Los Angeles, CA, 90095, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, USA
| | - Ali Khademhosseini
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Center for Minimally Invasive Therapeutics, University of California, Los Angeles, CA, 90095 USA
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, CA, 90095, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, 90095, USA
- Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90064, USA
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Pedersen GK, Wørzner K, Andersen P, Christensen D. Vaccine Adjuvants Differentially Affect Kinetics of Antibody and Germinal Center Responses. Front Immunol 2020; 11:579761. [PMID: 33072125 PMCID: PMC7538648 DOI: 10.3389/fimmu.2020.579761] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 08/24/2020] [Indexed: 12/14/2022] Open
Abstract
Aluminum salts and squalene based oil-in-water emulsions (SE) are widely used adjuvants in licensed vaccines, yet their mechanisms are not fully known. Here we report that induction of antibody responses displays different kinetics dependent on the adjuvant used. SE facilitated a rapid antibody response in contrast to aluminum hydroxide (AH) and the depot-forming cationic liposome-based adjuvant (CAF01). Antigen given with the SE adjuvant rapidly reached follicular B cells in the draining lymph node, whereas antigen formulated in AH or CAF01 remained at the site of injection as a depot. Removal of the injection site early after immunization abrogated antibody responses only when antigen was given in the depot-forming adjuvants. Despite initial delays in B cell activation and germinal center (GC) formation when antigen was given in depot-forming adjuvants, the antibody levels reached higher magnitudes than when the antigen was formulated in SE. This study demonstrates that the kinetic aspect of antibody responses is critical in adjuvant benchmarking and suggests that the optimal vaccination regime depends on the adjuvant used.
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Affiliation(s)
| | - Katharina Wørzner
- Center for Vaccine Research, Statens Serum Institut, Copenhagen, Denmark
| | - Peter Andersen
- Center for Vaccine Research, Statens Serum Institut, Copenhagen, Denmark.,Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Dennis Christensen
- Center for Vaccine Research, Statens Serum Institut, Copenhagen, Denmark
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Maharjan S, Cecen B, Zhang YS. 3D Immunocompetent Organ-on-a-Chip Models. SMALL METHODS 2020; 4:2000235. [PMID: 33072861 PMCID: PMC7567338 DOI: 10.1002/smtd.202000235] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Indexed: 05/15/2023]
Abstract
In recent years, engineering of various human tissues in microphysiologically relevant platforms, known as organs-on-chips (OOCs), has been explored to establish in vitro tissue models that recapitulate the microenvironments found in native organs and tissues. However, most of these models have overlooked the important roles of immune cells in maintaining tissue homeostasis under physiological conditions and in modulating the tissue microenvironments during pathophysiology. Significantly, gradual progress is being made in the development of more sophisticated microphysiologically relevant human-based OOC models that allow the studies of the key biophysiological aspects of specific tissues or organs, interactions between cells (parenchymal, vascular, and immune cells) and their extracellular matrix molecules, effects of native tissue architectures (geometry, dynamic flow or mechanical forces) on tissue functions, as well as unravelling the mechanism underlying tissue-specific diseases and drug testing. In this Progress Report, we discuss the different components of the immune system, as well as immune OOC platforms and immunocompetent OOC approaches that have simulated one or more components of the immune system. We also outline the challenges to recreate a fully functional tissue system in vitro with a focus on the incorporation of the immune system.
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Affiliation(s)
- Sushila Maharjan
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Berivan Cecen
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
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Chepkwony S, Parys A, Vandoorn E, Chiers K, Van Reeth K. Efficacy of Heterologous Prime-Boost Vaccination with H3N2 Influenza Viruses in Pre-Immune Individuals: Studies in the Pig Model. Viruses 2020; 12:v12090968. [PMID: 32882956 PMCID: PMC7552030 DOI: 10.3390/v12090968] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 08/26/2020] [Accepted: 08/30/2020] [Indexed: 12/25/2022] Open
Abstract
In a previous study in influenza-naïve pigs, heterologous prime-boost vaccination with monovalent, adjuvanted whole inactivated vaccines (WIV) based on the European swine influenza A virus (SwIAV) strain, A/swine/Gent/172/2008 (G08), followed by the US SwIAV strain, A/swine/Pennsylvania/A01076777/2010 (PA10), was shown to induce broadly cross-reactive hemagglutination inhibition (HI) antibodies against 12 out of 15 antigenically distinct H3N2 influenza strains. Here, we used the pig model to examine the efficacy of that particular heterologous prime-boost vaccination regimen, in individuals with pre-existing infection-immunity. Pigs were first inoculated intranasally with the human H3N2 strain, A/Nanchang/933/1995. Seven weeks later, they were vaccinated intramuscularly with G08 followed by PA10 or vice versa. We examined serum antibody responses against the hemagglutinin and neuraminidase, and antibody-secreting cell (ASC) responses in peripheral blood, draining lymph nodes, and nasal mucosa (NMC), in ELISPOT assays. Vaccination induced up to 10-fold higher HI antibody titers than in naïve pigs, with broader cross-reactivity, and protection against challenge with an antigenically distant H3N2 strain. It also boosted ASC responses in lymph nodes and NMC. Our results show that intramuscular administration of WIV can lead to enhanced antibody responses and cross-reactivity in pre-immune subjects, and recall of ASC responses in lymph nodes and NMC.
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Affiliation(s)
- Sharon Chepkwony
- Laboratory of Virology, Faculty of Veterinary Medicine, Department of Virology, Parasitology and Immunology, Ghent University, 9820 Merelbeke, Belgium; (S.C.); (A.P.); (E.V.)
| | - Anna Parys
- Laboratory of Virology, Faculty of Veterinary Medicine, Department of Virology, Parasitology and Immunology, Ghent University, 9820 Merelbeke, Belgium; (S.C.); (A.P.); (E.V.)
| | - Elien Vandoorn
- Laboratory of Virology, Faculty of Veterinary Medicine, Department of Virology, Parasitology and Immunology, Ghent University, 9820 Merelbeke, Belgium; (S.C.); (A.P.); (E.V.)
| | - Koen Chiers
- Laboratory of Veterinary Pathology, Faculty of Veterinary Medicine, Ghent University, 9820 Merelbeke, Belgium;
| | - Kristien Van Reeth
- Laboratory of Virology, Faculty of Veterinary Medicine, Department of Virology, Parasitology and Immunology, Ghent University, 9820 Merelbeke, Belgium; (S.C.); (A.P.); (E.V.)
- Correspondence: ; Tel.: +32-92647369
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I-152, a supplier of N-acetyl-cysteine and cysteamine, inhibits immunoglobulin secretion and plasma cell maturation in LP-BM5 murine leukemia retrovirus-infected mice by affecting the unfolded protein response. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165922. [PMID: 32800945 DOI: 10.1016/j.bbadis.2020.165922] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 07/16/2020] [Accepted: 08/08/2020] [Indexed: 12/27/2022]
Abstract
Excessive production of immunoglobulins (Ig) causes endoplasmic reticulum (ER) stress and triggers the unfolded protein response (UPR). Hypergammaglobulinemia and lymphadenopathy are hallmarks of murine AIDS that develops in mice infected with the LP-BM5 murine leukemia retrovirus complex. In these mice, Th2 polarization and aberrant humoral response have been previously correlated to altered intracellular redox homeostasis. Our goal was to understand the role of the cell's redox state in Ig secretion and plasma cell (PC) maturation. To this aim, LP-BM5-infected mice were treated with I-152, an N-acetyl-cysteine and cysteamine supplier. Intraperitoneal I-152 administration (30 μmol/mouse three times a week for 9 weeks) decreased plasma IgG and increased IgG/Syndecan 1 ratio in the lymph nodes where IgG were in part accumulated within the ER. PC containing cytoplasmic inclusions filled with IgG were present in all animals, with fewer mature PC in those treated with I-152. Infection induced up-regulation of signaling molecules involved in the UPR, i.e. CHAC1, BiP, sXBP-1 and PDI, that were generally unaffected by I-152 treatment except for PDI and sXBP-1, which have a key role in protein folding and PC maturation, respectively. Our data suggest that one of the mechanisms through which I-152 can limit hypergammaglobulinemia in LP-BM5-infected mice is by influencing IgG folding/assembly as well as secretion and affecting PC maturation.
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50
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Ambegaonkar AA, Kwak K, Sohn H, Manzella-Lapeira J, Brzostowski J, Pierce SK. Expression of inhibitory receptors by B cells in chronic human infectious diseases restricts responses to membrane-associated antigens. SCIENCE ADVANCES 2020; 6:eaba6493. [PMID: 32754637 PMCID: PMC7380957 DOI: 10.1126/sciadv.aba6493] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 06/11/2020] [Indexed: 05/10/2023]
Abstract
Chronic human infectious diseases, including malaria, are associated with a large expansion of a phenotypically and transcriptionally distinct subpopulation of B cells distinguished by their high expression of a variety of inhibitory receptors including FcγRIIB. Because these B cells, termed atypical memory B cells (MBCs), are unable to respond to soluble antigens, it was suggested that they contributed to the poor acquisition of immunity in chronic infections. Here, we show that the high expression of FcγRIIB restricts atypical MBC responses to membrane-associated antigens that function to actively exclude FcγRIIB from the B cell immune synapse and include the co-receptor CD19, allowing B cell antigen receptor signaling and differentiation toward plasma cells. Thus, chronic infectious diseases result in the expansion of B cells that robustly respond to antigens that associate with cell surfaces, such as antigens in immune complexes, but are unable to respond to fully soluble antigens, such as self-antigens.
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