1
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Barrett A, Horkeby K, Corciulo C, Carlsten H, Lagerquist MK, Scheffler JM, Islander U. Role of estrogen signaling in fibroblastic reticular cells for innate and adaptive immune responses in antigen-induced arthritis. Immunol Cell Biol 2024; 102:578-592. [PMID: 38726582 DOI: 10.1111/imcb.12773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/03/2024] [Accepted: 04/26/2024] [Indexed: 08/03/2024]
Abstract
Women are more prone to develop rheumatoid arthritis, with peak incidence occurring around menopause. Estrogen has major effects on the immune system and is protective against arthritis. We have previously shown that treatment with estrogen inhibits inflammation and joint destruction in murine models of arthritis, although the mechanisms involved remain unclear. Fibroblastic reticular cells (FRCs) are specialized stromal cells that generate the three-dimensional structure of lymph nodes (LNs). FRCs are vital for coordinating immune responses from within LNs and are characterized by the expression of the chemokine CCL19, which attracts immune cells. The aim of this study was to determine whether the influence of estrogen on innate and adaptive immune cells in arthritis is mediated by estrogen signaling in FRCs. Conditional knockout mice lacking estrogen receptor α (ERα) in CCL19-expressing cells (Ccl19-CreERαfl/fl) were generated and tested. Ccl19-CreERαfl/fl mice and littermate controls were ovariectomized, treated with vehicle or estradiol and subjected to the 28-day-long antigen-induced arthritis model to enable analyses of differentiated T- and B-cell populations and innate cells in LNs by flow cytometry. The results reveal that while the response to estradiol treatment in numbers of FRCs per LN is significantly reduced in mice lacking ERα in FRCs, estrogen does not inhibit joint inflammation or markedly affect immune responses in this arthritis model. Thus, this study validates the Ccl19-CreERαfl/fl strain for studying estrogen signaling in FRCs within inflammatory diseases, although the chosen arthritis model is deemed unsuitable for addressing this question.
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Affiliation(s)
- Aidan Barrett
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Karin Horkeby
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Center, Centre for Bone and Arthritis Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Carmen Corciulo
- Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Hans Carlsten
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Marie K Lagerquist
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Center, Centre for Bone and Arthritis Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Julia M Scheffler
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ulrika Islander
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- SciLifeLab, University of Gothenburg, Gothenburg, Sweden
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2
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Heim TA, Schultz AC, Delclaux I, Cristaldi V, Churchill MJ, Ventre KS, Lund AW. Lymphatic vessel transit seeds cytotoxic resident memory T cells in skin draining lymph nodes. Sci Immunol 2024; 9:eadk8141. [PMID: 38848340 DOI: 10.1126/sciimmunol.adk8141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 05/14/2024] [Indexed: 06/09/2024]
Abstract
Lymphatic transport shapes the homeostatic immune repertoire of lymph nodes (LNs). LN-resident memory T cells (TRMs) play an important role in site-specific immune memory, yet how LN TRMs form de novo after viral infection remains unclear. Here, we tracked the anatomical distribution of antiviral CD8+ T cells as they seeded skin and LN TRMs using a model of vaccinia virus-induced skin infection. LN TRMs localized to the draining LNs (dLNs) of infected skin, and their formation depended on the lymphatic egress of effector CD8+ T cells from the skin, already poised for residence. Effector CD8+ T cell transit through skin was required to populate LN TRMs in dLNs, a process reinforced by antigen encounter in skin. Furthermore, LN TRMs were protective against viral rechallenge in the absence of circulating memory T cells. These data suggest that a subset of tissue-infiltrating CD8+ T cells egress from tissues during viral clearance and establish a layer of regional protection in the dLN basin.
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Affiliation(s)
- Taylor A Heim
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Austin C Schultz
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Ines Delclaux
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Vanessa Cristaldi
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Madeline J Churchill
- Department of Molecular Microbiology and Immunology, Oregon Health and Science University, Portland, OR, USA
| | - Katherine S Ventre
- 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 Grossman School of Medicine, New York, NY, USA
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3
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Horsnell HL, Cao WH, Belz GT, Mueller SN, Alexandre YO. The transcription factor SpiB regulates the fibroblastic reticular cell network and CD8 + T-cell responses in lymph nodes. Immunol Cell Biol 2024; 102:269-279. [PMID: 38441326 DOI: 10.1111/imcb.12740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/02/2024] [Accepted: 02/14/2024] [Indexed: 04/04/2024]
Abstract
Fibroblastic reticular cells (FRCs) construct microanatomical niches that support lymph node (LN) homeostasis and coordination of immune responses. Transcription factors regulating the functionality of FRCs remain poorly understood. Here, we investigated the role of the transcription factor SpiB that is expressed in LN FRCs. Conditional ablation of SpiB in FRCs impaired the FRC network in the T-cell zone of LNs, leading to reduced numbers of FRCs and altered homeostatic functions including reduced CCL21 and interleukin-7 expression. The size and cellularity of LNs remained intact in the absence of SpiB but the space between the reticular network increased, indicating that although FRCs were reduced in number they stretched to maintain network integrity. Following virus infection, antiviral CD8+ T-cell responses were impaired, suggesting a role for SpiB expression in FRCs in orchestrating immune responses. Together, our findings reveal a new role for SpiB as an important regulator of FRC functions and immunity in LNs.
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Affiliation(s)
- Harry L Horsnell
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Wang Hj Cao
- Walter and Eliza Hall Institute of Medical Research (WEHI), Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
- University of Queensland Frazer Institute, University of Queensland, Brisbane, QLD, Australia
| | - Gabrielle T Belz
- Walter and Eliza Hall Institute of Medical Research (WEHI), Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
- University of Queensland Frazer Institute, University of Queensland, Brisbane, QLD, Australia
| | - Scott N Mueller
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Yannick O Alexandre
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
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4
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Huang M, Cui T, Liu S, Su X, Wang Y, Wang J, Zhong J, Cao J, Mei X, Li K, Luo Q, Sun X, Cheng L, Wei R, Zhao Z, Wang Z. Blended BA.5 infection within 8 days after a boosted bivalent mRNA vaccination strengthens and lengthens the host immunity. J Med Virol 2024; 96:e29544. [PMID: 38511577 DOI: 10.1002/jmv.29544] [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: 12/13/2023] [Revised: 02/23/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
The impact of SARS-CoV-2 infection shortly after vaccination on vaccine-induced immunity is unknown, which is also one of the concerns for some vaccinees during the pandemic. Here, based on a cohort of individuals who encountered BA.5 infection within 8 days after receiving the fourth dose of a bivalent mRNA vaccine, preceded by three doses of inactivated vaccines, we show that booster mRNA vaccination provided 48% protection efficacy against symptomatic infections. At Day 7 postvaccination, the level of neutralizing antibodies (Nabs) against WT and BA.5 strains in the uninfected group trended higher than those in the symptomatic infection group. Moreover, there were greater variations in Nabs levels and a significant decrease in virus-specific CD4+ T cell response observed in the symptomatic infection group. However, symptomatic BA.5 infection significantly increased Nab levels against XBB.1.9.1 and BA.5 (symptomatic > asymptomatic > uninfected group) at Day 10 and resulted in a more gradual decrease in Nabs against BA.5 compared to the uninfected group at Day 90. Our data suggest that BA.5 infection might hinder the early generation of Nabs and the recall of the CD4+ T cell response but strengthens the Nab and virus-specific T cell response in the later phase. Our data confirmed that infection can enhance host immunity regardless of the short interval between vaccination and infection and alleviate concerns about infections shortly after vaccination, which provides valuable guidance for developing future vaccine administration strategies.
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Affiliation(s)
- Mingzhu Huang
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Tingting Cui
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou National Laboratory, Guangzhou International Bio Island, Guangzhou, China
| | - Siyi Liu
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Xiaoling Su
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou National Laboratory, Guangzhou International Bio Island, Guangzhou, China
| | - Yuan Wang
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Junxiang Wang
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Jiaying Zhong
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Jinpeng Cao
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou National Laboratory, Guangzhou International Bio Island, Guangzhou, China
| | - Xinyue Mei
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Kaiyi Li
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Qi Luo
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Xi Sun
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Li Cheng
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Rui Wei
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
| | - Zhuxiang Zhao
- Department of Infectious Disease, Respiratory and Critical Care Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Zhongfang Wang
- State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou National Laboratory, Guangzhou International Bio Island, Guangzhou, China
- Department of Infectious Disease, Respiratory and Critical Care Medicine, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
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5
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Heim TA, Schultz AC, Delclaux I, Cristaldi V, Churchill MJ, Lund AW. Lymphatic vessel transit seeds precursors to cytotoxic resident memory T cells in skin draining lymph nodes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.29.555369. [PMID: 37693469 PMCID: PMC10491166 DOI: 10.1101/2023.08.29.555369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Resident memory T cells (TRM) provide rapid, localized protection in peripheral tissues to pathogens and cancer. While TRM are also found in lymph nodes (LN), how they develop during primary infection and their functional significance remains largely unknown. Here, we track the anatomical distribution of anti-viral CD8+ T cells as they simultaneously seed skin and LN TRM using a model of skin infection with restricted antigen distribution. We find exquisite localization of LN TRM to the draining LN of infected skin. LN TRM formation depends on lymphatic transport and specifically egress of effector CD8+ T cells that appear poised for residence as early as 12 days post infection. Effector CD8+ T cell transit through skin is necessary and sufficient to populate LN TRM in draining LNs, a process reinforced by antigen encounter in skin. Importantly, we demonstrate that LN TRM are sufficient to provide protection against pathogenic rechallenge. These data support a model whereby a subset of tissue infiltrating CD8+ T cells egress during viral clearance, and establish regional protection in the draining lymphatic basin as a mechanism to prevent pathogen spread.
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Affiliation(s)
- Taylor A. Heim
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Austin C. Schultz
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Ines Delclaux
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Vanessa Cristaldi
- Ronald O. Perelman Department of Dermatology, NYU Grossman School of Medicine, New York, NY, USA
| | - Madeline J. Churchill
- Department of Molecular Microbiology and Immunology, Oregon Health & Science University, Portland, OR
| | - 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 Grossman School of Medicine, New York, NY, USA
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6
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Tsai YL, Chen Y, Chen YC, Tsai WC. KDELC2 Upregulates Glioblastoma Angiogenesis via Reactive Oxygen Species Activation and Tumor-Associated Macrophage Proliferation. Antioxidants (Basel) 2023; 12:antiox12040923. [PMID: 37107298 PMCID: PMC10136350 DOI: 10.3390/antiox12040923] [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: 03/10/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Glioblastoma is notorious for its rapid progression and neovascularization. In this study, it was found that KDEL (Lys-Asp-Glu-Leu) containing 2 (KDELC2) stimulated vasculogenic factor expression and induced human umbilical vein endothelial cell (HUVEC) proliferation. The NLRP3 inflammasome and autophagy activation via hypoxic inducible factor 1 alpha (HIF-1α) and mitochondrial reactive oxygen species (ROS) production was also confirmed. The application of the NLRP3 inflammasome inhibitor MCC950 and autophagy inhibitor 3-methyladenine (3-MA) indicated that the above phenomenon activation correlated with an endothelial overgrowth. Furthermore, KDELC2 suppression decreased the endoplasmic reticulum (ER) stress factors' expression. The ER stress inhibitors, such as salubrinal and GSK2606414, significantly suppressed HUVEC proliferation, indicating that ER stress promotes glioblastoma vascularization. Finally, shKDELC2 glioblastoma-conditioned medium (CM) stimulated TAM polarization and induced THP-1 cells to transform into M1 macrophages. In contrast, THP-1 cells co-cultured with compensatory overexpressed (OE)-KDELC2 glioblastoma cells increased IL-10 secretion, a biomarker of M2 macrophages. HUVECs co-cultured with shKDELC2 glioblastoma-polarized THP-1 cells were less proliferative, demonstrating that KDELC2 promotes angiogenesis. Mito-TEMPO and MCC950 increased caspase-1p20 and IL-1β expression in THP-1 macrophages, indicating that mitochondrial ROS and autophagy could also interrupt THP-1-M1 macrophage polarization. In conclusion, mitochondrial ROS, ER stress, and the TAMs resulting from OE-KDELC2 glioblastoma cells play important roles in upregulating glioblastoma angiogenesis.
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Affiliation(s)
- Yu-Ling Tsai
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Ying Chen
- Department of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
| | - Ying-Chuan Chen
- Department of Physiology and Biophysics, National Defense Medical Center, Taipei 114, Taiwan
| | - Wen-Chiuan Tsai
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
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7
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Schnittman SR, Jung W, Fitch KV, Zanni MV, McCallum S, Lee JSL, Shin S, Davis BJ, Fulda ES, Diggs MR, Giguel F, Chinchay R, Sheth AN, Fichtenbaum CJ, Malvestutto C, Aberg JA, Currier J, Lauffenburger DA, Douglas PS, Ribaudo HJ, Alter G, Grinspoon SK. Effect of host factors and COVID-19 infection on the humoral immune repertoire in treated HIV. JCI Insight 2023; 8:e166848. [PMID: 36805331 PMCID: PMC10077482 DOI: 10.1172/jci.insight.166848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/27/2023] [Indexed: 02/22/2023] Open
Abstract
People with HIV (PWH) appear to be at higher risk for suboptimal pathogen responses and for worse COVID-19 outcomes, but the effects of host factors and COVID-19 on the humoral repertoire remain unclear. We assessed the antibody isotype/subclass and Fc-receptor binding Luminex arrays of non-SARS-CoV-2 and SARS-CoV-2 humoral responses among antiretroviral therapy-treated (ART-treated) PWH. Among the entire cohort, COVID-19 infection was associated with higher cytomegalovirus (CMV) responses (vs. the COVID- cohort ), potentially signifying increased susceptibility or a consequence of persistent inflammation. Among the COVID+ participants, (a) higher BMI was associated with a striking amplification of SARS-CoV-2 responses, suggesting exaggerated inflammatory responses, and (b) lower nadir CD4 was associated with higher SARS-CoV-2 IgM and FcγRIIB binding capacity, indicating poorly functioning extrafollicular and inhibitory responses. Among the COVID-19- participants, female sex, older age, and lower nadir CD4 were associated with unique repertoire shifts. In this first comprehensive assessment of the humoral repertoire in a global cohort of PWH, we identify distinct SARS-CoV-2-specific humoral immune profiles among PWH with obesity or lower nadir CD4+ T cell count, underlining plausible mechanisms associated with worse COVID-19-related outcomes in this setting. Host factors associated with the humoral repertoire in the COVID-19- cohort enhance our understanding of these important shifts among PWH.
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Affiliation(s)
- Samuel R. Schnittman
- Division of Infectious Diseases, Department of Medicine, and
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Wonyeong Jung
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Kathleen V. Fitch
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Markella V. Zanni
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Sara McCallum
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Sally Shin
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Brandon J. Davis
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Evelynne S. Fulda
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Marissa R. Diggs
- Metabolism Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Francoise Giguel
- AIDS Clinical Trials Group Lab 01, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Romina Chinchay
- Houston AIDS Research Team, University of Texas Health Science Center Houston, Houston, Texas, USA
| | - Anandi N. Sheth
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Carl J. Fichtenbaum
- Division of Infectious Diseases, Department of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - Carlos Malvestutto
- Division of Infectious Diseases, Department of Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Judith A. Aberg
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Judith Currier
- Division of Infectious Diseases, Department of Medicine, UCLA, Los Angeles, California, USA
| | - Douglas A. Lauffenburger
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Pamela S. Douglas
- Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA
| | | | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
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8
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Denton AE, Dooley J, Cinti I, Silva-Cayetano A, Fra-Bido S, Innocentin S, Hill DL, Carr EJ, McKenzie ANJ, Liston A, Linterman MA. Targeting TLR4 during vaccination boosts MAdCAM-1 + lymphoid stromal cell activation and promotes the aged germinal center response. Sci Immunol 2022; 7:eabk0018. [PMID: 35522725 PMCID: PMC7612953 DOI: 10.1126/sciimmunol.abk0018] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The failure to generate enduring humoral immunity after vaccination is a hallmark of advancing age. This can be attributed to a reduction in the germinal center (GC) response, which generates long-lived antibody-secreting cells that protect against (re)infection. Despite intensive investigation, the primary cellular defect underlying impaired GCs in aging has not been identified. Here, we used heterochronic parabiosis to demonstrate that GC formation was dictated by the age of the lymph node (LN) microenvironment rather than the age of the immune cells. Lymphoid stromal cells are a key determinant of the LN microenvironment and are also an essential component underpinning GC structure and function. Using mouse models, we demonstrated that mucosal adressin cell adhesion molecule-1 (MAdCAM-1)-expressing lymphoid stromal cells were among the first cells to respond to NP-KLH + Alum immunization, proliferating and up-regulating cell surface proteins such as podoplanin and cell adhesion molecules. This response was essentially abrogated in aged mice. By targeting TLR4 using adjuvants, we improved the MAdCAM-1+ stromal cell response to immunization. This correlated with improved GC responses in both younger adult and aged mice, suggesting a link between stromal cell responses to immunization and GC initiation. Using bone marrow chimeras, we also found that MAdCAM-1+ stromal cells could respond directly to TLR4 ligands. Thus, the age-associated defect in GC and stromal cell responses to immunization can be targeted to improve vaccines in older people.
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Affiliation(s)
- Alice E Denton
- Immunology Programme, Babraham Institute, Cambridge UK,Department of Immunology and Inflammation, Imperial College London, London UK,Correspondence:
| | - James Dooley
- Immunology Programme, Babraham Institute, Cambridge UK,Adaptive Immunology Laboratory, VIB and University of Leuven, Leuven Belgium
| | - Isabella Cinti
- Department of Immunology and Inflammation, Imperial College London, London UK
| | | | | | | | - Danika L Hill
- Immunology Programme, Babraham Institute, Cambridge UK,Department of Immunology and Pathology, Central Clinical School, Monash University and Alfred Hospital, Melbourne, Victoria, Australia
| | - Edward J Carr
- Immunology Programme, Babraham Institute, Cambridge UK,Department of Medicine, University of Cambridge, Cambridge UK,The Francis Crick Institute, London UK
| | - Andrew NJ McKenzie
- Medical Research Council, Laboratory of Molecular Biology, Cambridge, UK
| | - Adrian Liston
- Immunology Programme, Babraham Institute, Cambridge UK,Adaptive Immunology Laboratory, VIB and University of Leuven, Leuven Belgium
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9
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Alexandre YO, Schienstock D, Lee HJ, Gandolfo LC, Williams CG, Devi S, Pal B, Groom JR, Cao W, Christo SN, Gordon CL, Starkey G, D'Costa R, Mackay LK, Haque A, Ludewig B, Belz GT, Mueller SN. A diverse fibroblastic stromal cell landscape in the spleen directs tissue homeostasis and immunity. Sci Immunol 2022; 7:eabj0641. [PMID: 34995096 DOI: 10.1126/sciimmunol.abj0641] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Yannick O Alexandre
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Dominik Schienstock
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Hyun Jae Lee
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Luke C Gandolfo
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia.,Walter and Eliza Hall Institute of Medical Research (WEHI), Parkville, VIC, Australia
| | - Cameron G Williams
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Sapna Devi
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Bhupinder Pal
- Olivia Newton-John Cancer Research Institute and School of Cancer Medicine, La Trobe University, Heidelberg, VIC, Australia
| | - Joanna R Groom
- Walter and Eliza Hall Institute of Medical Research (WEHI), Parkville, VIC, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Wang Cao
- Walter and Eliza Hall Institute of Medical Research (WEHI), Parkville, VIC, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Susan N Christo
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Claire L Gordon
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia.,Department of Infectious Diseases, Austin Health, Melbourne, VIC, Australia
| | - Graham Starkey
- Liver and Intestinal Transplant Unit, Austin Health, Melbourne, VIC, Australia.,Department of Surgery, University of Melbourne, Austin Health, Melbourne, VIC, Australia
| | - Rohit D'Costa
- DonateLife Victoria, Carlton, VIC, Australia.,Department of Intensive Care Medicine, Melbourne Health, Melbourne, VIC, Australia
| | - Laura K Mackay
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Ashraful Haque
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Burkhard Ludewig
- Institute of Immunobiology, Medical Research Center, Kantonsspital St. Gallen, St. Gallen, Switzerland.,Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Gabrielle T Belz
- Walter and Eliza Hall Institute of Medical Research (WEHI), Parkville, VIC, Australia.,Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.,University of Queensland Diamantina Institute, University of Queensland, Brisbane, QLD, Australia
| | - Scott N Mueller
- Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
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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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