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Xavier MS, Araujo-Pereira M, de Oliveira QM, Sant’Anna FM, Ridolfi FM, de Andrade AMS, Figueiredo MC, Sterling TR, Gordhan BG, Kana BD, Andrade BB, Rolla VC, Gomes-Silva A. The effect of previous SARS-CoV-2 infection on systemic immune responses in individuals with tuberculosis. Front Immunol 2024; 15:1357360. [PMID: 38994357 PMCID: PMC11236595 DOI: 10.3389/fimmu.2024.1357360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 06/07/2024] [Indexed: 07/13/2024] Open
Abstract
Background The impact of previous SARS-CoV-2 infection on the systemic immune response during tuberculosis (TB) disease has not been explored. Methods An observational, cross-sectional cohort was established to evaluate the systemic immune response in persons with pulmonary tuberculosis with or without previous SARS-CoV-2 infection. Those participants were recruited in an outpatient referral clinic in Rio de Janeiro, Brazil. TB was defined as a positive Xpert-MTB/RIF Ultra and/or a positive culture of Mycobacterium tuberculosis from sputum. Stored plasma was used to perform specific serology to identify previous SARS-CoV-2 infection (TB/Prex-SCoV-2 group) and confirm the non- infection of the tuberculosis group (TB group). Plasmatic cytokine/chemokine/growth factor profiling was performed using Luminex technology. Tuberculosis severity was assessed by clinical and laboratory parameters. Participants from TB group (4.55%) and TB/Prex-SCoV-2 (0.00%) received the complete COVID-19 vaccination. Results Among 35 participants with pulmonary TB, 22 were classified as TB/Prex-SCoV-2. The parameters associated with TB severity, together with hematologic and biochemical data were similar between the TB and TB/Prex-SCoV-2 groups. Among the signs and symptoms, fever and dyspnea were significantly more frequent in the TB group than the TB/Prex-SCoV-2 group (p < 0,05). A signature based on lower amount of plasma EGF, G-CSF, GM-CSF, IFN-α2, IL-12(p70), IL-13, IL-15, IL-17, IL-1β, IL-5, IL-7, and TNF-β was observed in the TB/Prex-SCoV-2 group. In contrast, MIP-1β was significantly higher in the TB/Prex-SCoV-2 group than the TB group. Conclusion TB patients previously infected with SARS-CoV-2 had an immunomodulation that was associated with lower plasma concentrations of soluble factors associated with systemic inflammation. This signature was associated with a lower frequency of symptoms such as fever and dyspnea but did not reflect significant differences in TB severity parameters observed at baseline.
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Affiliation(s)
- Mariana S. Xavier
- Pós-graduação em Pesquisa Clínica em Doenças Infecciosas, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
| | - Mariana Araujo-Pereira
- Laboratório de Pesquisa Clínica e Translacional, Instituto Gonçalo Moniz, FIOCRUZ, Bahia, Brazil
- Curso de Medicina, Faculdade ZARNS, Bahia, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Bahia, Brazil
| | - Quezia M. de Oliveira
- Laboratório de Pesquisa Clínica em Micobacterioses, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
| | - Flavia M. Sant’Anna
- Laboratório de Pesquisa Clínica em Micobacterioses, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
| | - Felipe M. Ridolfi
- Laboratório de Pesquisa Clínica em Micobacterioses, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
| | - Alice M. S. de Andrade
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Bahia, Brazil
| | - Marina C. Figueiredo
- Vanderbilt University Medical Center, Department of Medicine, Division of Infectious Diseases, Nashville, TN, United States
| | - Timothy R. Sterling
- Vanderbilt University Medical Center, Department of Medicine, Division of Infectious Diseases, Nashville, TN, United States
| | - Bhavna G. Gordhan
- Department of Science and Innovation/National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand and the National Health Laboratory Service, Johannesburg, South Africa
| | - Bavesh D. Kana
- Department of Science and Innovation/National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand and the National Health Laboratory Service, Johannesburg, South Africa
| | - Bruno B. Andrade
- Laboratório de Pesquisa Clínica e Translacional, Instituto Gonçalo Moniz, FIOCRUZ, Bahia, Brazil
- Curso de Medicina, Faculdade ZARNS, Bahia, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Bahia, Brazil
| | - Valeria C. Rolla
- Laboratório de Pesquisa Clínica em Micobacterioses, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
| | - Adriano Gomes-Silva
- Laboratório de Pesquisa Clínica em Micobacterioses, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
- Laboratório Interdisciplinar de Pesquisas Médicas, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
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2
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van Elsas MJ, Middelburg J, Labrie C, Roelands J, Schaap G, Sluijter M, Tonea R, Ovcinnikovs V, Lloyd K, Schuurman J, Riesenfeld SJ, Gajewski TF, de Miranda NFCC, van Hall T, van der Burg SH. Immunotherapy-activated T cells recruit and skew late-stage activated M1-like macrophages that are critical for therapeutic efficacy. Cancer Cell 2024; 42:1032-1050.e10. [PMID: 38759656 DOI: 10.1016/j.ccell.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 02/23/2024] [Accepted: 04/24/2024] [Indexed: 05/19/2024]
Abstract
Total tumor clearance through immunotherapy is associated with a fully coordinated innate and adaptive immune response, but knowledge on the exact contribution of each immune cell subset is limited. We show that therapy-induced intratumoral CD8+ T cells recruited and skewed late-stage activated M1-like macrophages, which were critical for effective tumor control in two different murine models of cancer immunotherapy. The activated CD8+ T cells summon these macrophages into the tumor and their close vicinity via CCR5 signaling. Exposure of non-polarized macrophages to activated T cell supernatant and tumor lysate recapitulates the late-stage activated and tumoricidal phenotype in vitro. The transcriptomic signature of these macrophages is also detected in a similar macrophage population present in human tumors and coincides with clinical response to immune checkpoint inhibitors. The requirement of a functional co-operation between CD8+ T cells and effector macrophages for effective immunotherapy gives warning to combinations with broad macrophage-targeting strategies.
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Affiliation(s)
- Marit J van Elsas
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Jim Middelburg
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Camilla Labrie
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Jessica Roelands
- Department of Pathology, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Gaby Schaap
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Marjolein Sluijter
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Ruxandra Tonea
- Department of Pathology, University of Chicago, Chicago, IL 60637, USA; Pritzker School of Molecular Engineering, Chicago, IL 60637, USA
| | | | | | | | | | - Thomas F Gajewski
- Department of Pathology, University of Chicago, Chicago, IL 60637, USA
| | - Noel F C C de Miranda
- Department of Pathology, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Thorbald van Hall
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands
| | - Sjoerd H van der Burg
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden 2333ZA, the Netherlands.
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3
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Tumor Necrosis Factor: What Is in a Name? Cancers (Basel) 2022; 14:cancers14215270. [DOI: 10.3390/cancers14215270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
Tumor Necrosis Factor was one of the first cytokines described in the literature as a soluble mediator of cytotoxicity to tumors. Over the years, more extensive research that tried to employ Tumor Necrosis Factor in cancer treatments showed nevertheless that it mainly functioned as a proinflammatory cytokine. However, this did not stop the search for the holy grail of cancer research: A cytokine that could act as a one-stop treatment for solid tumors and lymphomas. This review will summarize the long experimental history of Tumor Necrosis Factor that caused the initial observations of a tumor necrotizing cytokine that could serve as a potential cancer treatment and discuss the current state of research into this side of the activities of Tumor Necrosis Factor.
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4
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Kotov JA, Xu Y, Carey ND, Cyster JG. LTβR overexpression promotes plasma cell accumulation. PLoS One 2022; 17:e0270907. [PMID: 35925983 PMCID: PMC9352096 DOI: 10.1371/journal.pone.0270907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 06/18/2022] [Indexed: 11/19/2022] Open
Abstract
Multiple myeloma (MM), a malignancy of plasma cells (PCs), has diverse genetic underpinnings and in rare cases these include amplification of the lymphotoxin b receptor (Ltbr) locus. LTβR has well defined roles in supporting lymphoid tissue development and function through actions in stromal and myeloid cells, but whether it is functional in PCs is unknown. Here we showed that Ltbr mRNA was upregulated in mouse PCs compared to follicular B cells, but deficiency in the receptor did not cause a reduction in PC responses to a T-dependent or T-independent immunogen. However, LTβR overexpression (OE) enhanced PC formation in vitro after LPS or anti-CD40 stimulation. In vivo, LTβR OE led to increased antigen-specific splenic and bone marrow (BM) plasma cells responses. LTβR OE PCs had increased expression of Nfkb2 and of the NF-kB target genes Bcl2 and Mcl1, factors involved in the formation of long-lived BM PCs. Our findings suggest a pathway by which Ltbr gene amplifications may contribute to MM development through increased NF-kB activity and induction of an anti-apoptotic transcriptional program.
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Affiliation(s)
- Jessica A. Kotov
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, CA, United States of America
| | - Ying Xu
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, CA, United States of America
| | - Nicholas D. Carey
- Department of Medicine, University of California, San Francisco, CA, United States of America
| | - Jason G. Cyster
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, CA, United States of America
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5
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Yang J, Han X, Gao KN, Qi ZM. Listeria monocytogenes Inoculation Impedes the Development of Brain Pathology in Experimental Cerebral Malaria by Inhibition of Parasitemia. ACS Infect Dis 2022; 8:998-1009. [PMID: 35362944 DOI: 10.1021/acsinfecdis.1c00623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cerebral malaria (CM) is a serious central nervous system dysfunction caused by Plasmodium falciparum infection. In this study, we investigated the effect of Listeria monocytogenes (Lm) inoculation on experimental cerebral malaria (ECM) using Plasmodium berghei ANKA (PbA)-infected C57BL/6 mice. Live Lm inoculation inhibited the parasitemia and alleviated ECM symptoms. The protective effect against ECM symptoms was connected with improved brain pathology manifested as a less-damaged blood-brain barrier, decreased parasite sequestration, and milder local inflammation. Meanwhile, Lm inoculation decreased expression of cell adhesion molecules (ICAM-1 and VCAM-1) and accumulation of pathogenic CD8+ T cells in the brain. In keeping with the suppression of parasitemia, there was an upregulation of IFN-γ, IL-12, MCP-1, and NO expression in the spleen by Lm inoculation upon PbA infection. Early treatment with exogenous IFN-γ exhibited a similar effect to Lm inoculation on PbA infection. Taken together, Lm inoculation impedes the development of brain pathology in ECM, and early systemic IFN-γ production may play a critical role in these protective effects.
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Affiliation(s)
- Ji Yang
- Department of Immunology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, China
- Department of Basic Medical Laboratory, General Hospital of Northern Theatre Command, Shenyang, Liaoning 110016, China
| | - Xue Han
- Department of Immunology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, China
- Department of Medical Basic Experimental Teaching Center, China Medical University, Shenyang, Liaoning 110122, China
| | - Kang-Ning Gao
- Department of Immunology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, China
| | - Zan-Mei Qi
- Department of Immunology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, China
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CD169 + macrophages in lymph node and spleen critically depend on dual RANK and LTbetaR signaling. Proc Natl Acad Sci U S A 2022; 119:2108540119. [PMID: 35031565 PMCID: PMC8784161 DOI: 10.1073/pnas.2108540119] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2021] [Indexed: 12/16/2022] Open
Abstract
The CD169+ macrophages that play an important role in the fight against infections and cancer are receptive to environmental signals for their differentiation. We show that lymph node and splenic CD169+ macrophages require both LTβR and RANK signaling since the conditional deficiency of either receptor results in their disappearance. Using a reporter mouse, we observe RANKL expression by a splenic mesenchymal cell subset and show that it participates in CD169+ macrophage differentiation. Their absence leads to a reduced viral capture and a greatly attenuated virus-specific CD8+ T cell expansion. Thus, tight control mechanisms operate for the precise positioning of these macrophages at sites where numerous immune-stimulatory forces converge. CD169+ macrophages reside in lymph node (LN) and spleen and play an important role in the immune defense against pathogens. As resident macrophages, they are responsive to environmental cues to shape their tissue-specific identity. We have previously shown that LN CD169+ macrophages require RANKL for formation of their niche and their differentiation. Here, we demonstrate that they are also dependent on direct lymphotoxin beta (LTβ) receptor (R) signaling. In the absence or the reduced expression of either RANK or LTβR, their differentiation is perturbed, generating myeloid cells expressing SIGN-R1 in LNs. Conditions of combined haploinsufficiencies of RANK and LTβR revealed that both receptors contribute equally to LN CD169+ macrophage differentiation. In the spleen, the Cd169-directed ablation of either receptor results in a selective loss of marginal metallophilic macrophages (MMMs). Using a RANKL reporter mouse, we identify splenic marginal zone stromal cells as a source of RANKL and demonstrate that it participates in MMM differentiation. The loss of MMMs had no effect on the splenic B cell compartments but compromised viral capture and the expansion of virus-specific CD8+ T cells. Taken together, the data provide evidence that CD169+ macrophage differentiation in LN and spleen requires dual signals from LTβR and RANK with implications for the immune response.
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7
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Tuong ZK, Lukowski SW, Nguyen QH, Chandra J, Zhou C, Gillinder K, Bashaw AA, Ferdinand JR, Stewart BJ, Teoh SM, Hanson SJ, Devitt K, Clatworthy MR, Powell JE, Frazer IH. A model of impaired Langerhans cell maturation associated with HPV induced epithelial hyperplasia. iScience 2021; 24:103326. [PMID: 34805788 PMCID: PMC8586807 DOI: 10.1016/j.isci.2021.103326] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 12/24/2022] Open
Abstract
Langerhans cells (LC) are skin-resident antigen-presenting cells that regulate immune responses to epithelial microorganisms. Human papillomavirus (HPV) infection can promote malignant epithelial transformation. As LCs are considered important for controlling HPV infection, we compared the transcriptome of murine LCs from skin transformed by K14E7 oncoprotein and from healthy skin. We identified transcriptome heterogeneity at the single cell level amongst LCs in normal skin, associated with ontogeny, cell cycle, and maturation. We identified a balanced co-existence of immune-stimulatory and immune-inhibitory LC cell states in normal skin that was significantly disturbed in HPV16 E7-transformed skin. Hyperplastic skin was depleted of immune-stimulatory LCs and enriched for LCs with an immune-inhibitory gene signature, and LC-keratinocyte crosstalk was dysregulated. We identified reduced expression of interleukin (IL)-34, a critical molecule for LC homeostasis. Enrichment of an immune-inhibitory LC gene signature and reduced levels of epithelial IL-34 were also found in human HPV-associated cervical epithelial cancers. Single cell atlas of Langerhans cells in cutaneous skin Stimulatory and inhibitory Langerhans cell states are in balance Inhibitory Langerhans cell states dominate HPV-transformed hyperplastic skin Langerhans cell imbalance is associated with disrupted IL-34 signaling
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Affiliation(s)
- Zewen K Tuong
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia.,Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Samuel W Lukowski
- Australia Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Quan H Nguyen
- Australia Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Janin Chandra
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Chenhao Zhou
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Kevin Gillinder
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Abate A Bashaw
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - John R Ferdinand
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Benjamin J Stewart
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Siok Min Teoh
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Sarah J Hanson
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Katharina Devitt
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Menna R Clatworthy
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK.,Wellcome Trust Sanger Institute, Hinxton, UK
| | - Joseph E Powell
- Garvan-Weizmann Centre for Cellular Genomics, Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia
| | - Ian H Frazer
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
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8
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Lymphotoxin β Receptor: a Crucial Role in Innate and Adaptive Immune Responses against Toxoplasma gondii. Infect Immun 2021; 89:IAI.00026-21. [PMID: 33753412 PMCID: PMC8316152 DOI: 10.1128/iai.00026-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/12/2021] [Indexed: 11/21/2022] Open
Abstract
The lymphotoxin β receptor (LTβR) plays an essential role in the initiation of immune responses to intracellular pathogens. In mice, the LTβR is crucial for surviving acute toxoplasmosis; however, until now, a functional analysis was largely incomplete. Here, we demonstrate that the LTβR is a key regulator required for the intricate balance of adaptive immune responses. Toxoplasma gondii-infected LTβR-deficient (LTβR−/−) mice show globally altered interferon-γ (IFN-γ) regulation, reduced IFN-γ-controlled host effector molecule expression, impaired T cell functionality, and an absent anti-parasite-specific IgG response, resulting in a severe loss of immune control of the parasites. Reconstitution of LTβR−/− mice with toxoplasma immune serum significantly prolongs survival following T. gondii infection. Notably, analysis of RNA-seq data clearly indicates a specific effect of T. gondii infection on the B cell response and isotype switching. This study uncovers the decisive role of the LTβR in cytokine regulation and adaptive immune responses to control T. gondii.
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9
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Dernoncourt A, Schmidt J, Duhaut P, Liabeuf S, Gras-Champel V, Masmoudi K, Bennis Y, Batteux B. COVID-19 in DMARD-treated patients with inflammatory rheumatic diseases: Insights from an analysis of the World Health Organization pharmacovigilance database. Fundam Clin Pharmacol 2021; 36:199-209. [PMID: 33973280 PMCID: PMC8239613 DOI: 10.1111/fcp.12695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/09/2021] [Accepted: 05/06/2021] [Indexed: 12/31/2022]
Abstract
Background To determine whether the use of disease‐modifying antirheumatic drugs (DMARDs) is linked to the risk of COVID‐19 among patients with inflammatory rheumatic diseases (IRDs). Methods We performed a disproportionality analysis of the World Health Organization pharmacovigilance database between January 1, 2020, and June 10, 2020. The frequency of COVID‐19 reports for all DMARD classes identified was compared with that for all other reports for all other drugs and quoted as the reporting odds ratio (ROR) (95% confidence interval [CI]). Results Among 980,446 individual case‐safety reports voluntarily recorded in the database, 398 identified COVID‐19 in DMARD‐treated patients with IRDs. There were 177 (44.5%) patients with rheumatoid arthritis (RA), 120 (30.1%) with ankylosing spondylitis (AS), 93 (23.4%) with psoriatic arthritis (PsA), and 8 (2.0%) with juvenile idiopathic arthritis. Most of the cases of COVID‐19 occurred in patients taking anti‐TNF agents (84.2%), resulting in a significant disproportionality signal (ROR [95% CI]: 8.31 [7.48–9.23]) – particularly in patients with RA, AS or PsA. A significant inverse disproportionality was found for the anti‐IL‐6 agent tocilizumab (ROR [95% CI]: 0.12 [0.02–0.88]) and JAK inhibitors (ROR [95% CI]: 0.33 [0.19–0.58]) in patients with RA – suggesting that these two drug classes are safer in the context of RA. Conclusion Our results are in line with the literature on a potentially better safety profile for anti‐IL‐6 agents and JAK inhibitors. The WHO pharmacovigilance data suggest that COVID‐19 is significantly more frequent in patients with IRDs treated with TNF inhibitors.
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Affiliation(s)
- Amandine Dernoncourt
- Department of Internal Medicine, Amiens-Picardie University Medical Center, Amiens, France.,RECIF, Amiens-Picardie University Medical Center, Amiens, France
| | - Jean Schmidt
- Department of Internal Medicine, Amiens-Picardie University Medical Center, Amiens, France.,RECIF, Amiens-Picardie University Medical Center, Amiens, France
| | - Pierre Duhaut
- Department of Internal Medicine, Amiens-Picardie University Medical Center, Amiens, France.,RECIF, Amiens-Picardie University Medical Center, Amiens, France
| | - Sophie Liabeuf
- Department of Clinical Pharmacology, Amiens University Medical Center, Amiens, France.,MP3CV Laboratory, Jules Verne University of Picardie, Amiens, France
| | - Valérie Gras-Champel
- Department of Clinical Pharmacology, Amiens University Medical Center, Amiens, France.,MP3CV Laboratory, Jules Verne University of Picardie, Amiens, France
| | - Kamel Masmoudi
- Department of Clinical Pharmacology, Amiens University Medical Center, Amiens, France
| | - Youssef Bennis
- Department of Clinical Pharmacology, Amiens University Medical Center, Amiens, France.,MP3CV Laboratory, Jules Verne University of Picardie, Amiens, France
| | - Benjamin Batteux
- RECIF, Amiens-Picardie University Medical Center, Amiens, France.,Department of Clinical Pharmacology, Amiens University Medical Center, Amiens, France.,MP3CV Laboratory, Jules Verne University of Picardie, Amiens, France.,Department of Rheumatology, Saint-Quentin Medical Center, Saint-Quentin, France
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10
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Piao W, Kasinath V, Saxena V, Lakhan R, Iyyathurai J, Bromberg JS. LTβR Signaling Controls Lymphatic Migration of Immune Cells. Cells 2021; 10:cells10040747. [PMID: 33805271 PMCID: PMC8065509 DOI: 10.3390/cells10040747] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/14/2022] Open
Abstract
The pleiotropic functions of lymphotoxin (LT)β receptor (LTβR) signaling are linked to the control of secondary lymphoid organ development and structural maintenance, inflammatory or autoimmune disorders, and carcinogenesis. Recently, LTβR signaling in endothelial cells has been revealed to regulate immune cell migration. Signaling through LTβR is comprised of both the canonical and non-canonical-nuclear factor κB (NF-κB) pathways, which induce chemokines, cytokines, and cell adhesion molecules. Here, we focus on the novel functions of LTβR signaling in lymphatic endothelial cells for migration of regulatory T cells (Tregs), and specific targeting of LTβR signaling for potential therapeutics in transplantation and cancer patient survival.
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Affiliation(s)
- Wenji Piao
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (W.P.); (R.L.)
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Vivek Kasinath
- Renal Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Vikas Saxena
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Ram Lakhan
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (W.P.); (R.L.)
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Jegan Iyyathurai
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Jonathan S. Bromberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (W.P.); (R.L.)
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Correspondence: ; Tel.: +410-328-6430
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11
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Höpner SS, Raykova A, Radpour R, Amrein MA, Koller D, Baerlocher GM, Riether C, Ochsenbein AF. LIGHT/LTβR signaling regulates self-renewal and differentiation of hematopoietic and leukemia stem cells. Nat Commun 2021; 12:1065. [PMID: 33594067 PMCID: PMC7887212 DOI: 10.1038/s41467-021-21317-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 01/17/2021] [Indexed: 12/30/2022] Open
Abstract
The production of blood cells during steady-state and increased demand depends on the regulation of hematopoietic stem cell (HSC) self-renewal and differentiation. Similarly, the balance between self-renewal and differentiation of leukemia stem cells (LSCs) is crucial in the pathogenesis of leukemia. Here, we document that the TNF receptor superfamily member lymphotoxin-β receptor (LTβR) and its ligand LIGHT regulate quiescence and self-renewal of murine and human HSCs and LSCs. Cell-autonomous LIGHT/LTβR signaling on HSCs reduces cell cycling, promotes symmetric cell division and prevents primitive HSCs from exhaustion in serial re-transplantation experiments and genotoxic stress. LTβR deficiency reduces the numbers of LSCs and prolongs survival in a murine chronic myeloid leukemia (CML) model. Similarly, LIGHT/LTβR signaling in human G-CSF mobilized HSCs and human LSCs results in increased colony forming capacity in vitro. Thus, our results define LIGHT/LTβR signaling as an important pathway in the regulation of the self-renewal of HSCs and LSCs.
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MESH Headings
- Animals
- Antigens, CD34/metabolism
- Cell Cycle/drug effects
- Cell Cycle/genetics
- Cell Differentiation/drug effects
- Cell Proliferation/drug effects
- Cell Self Renewal/drug effects
- Cell Self Renewal/genetics
- DNA Damage
- Fluorouracil/pharmacology
- Gene Expression Regulation, Leukemic/drug effects
- Hematopoietic Stem Cells/drug effects
- Hematopoietic Stem Cells/metabolism
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology
- Lymphotoxin beta Receptor/metabolism
- Mice, Inbred C57BL
- Mice, Knockout
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Signal Transduction/drug effects
- Tumor Necrosis Factor Ligand Superfamily Member 14/metabolism
- Mice
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Affiliation(s)
- S S Höpner
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Ana Raykova
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - R Radpour
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - M A Amrein
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - D Koller
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - G M Baerlocher
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - C Riether
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - A F Ochsenbein
- Department of Medical Oncology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
- Department for BioMedical Research, University of Bern, Bern, Switzerland.
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12
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Abstract
Biologic drugs have revolutionized the treatment of certain hematologic, autoimmune, and malignant diseases, but they may place patients at risk for reactivation or acquisition of tuberculosis. This risk is highest with the tumor necrosis factor-alpha (TNF-α) inhibitors. Amongst this class of drugs, the monoclonal antibodies (infliximab, adalimumab, golimumab) and antibody fragment (certolizumab) carry an increased risk compared to the soluble receptor fusion molecule, etanercept. Treatment of latent TB is critical to decrease the risk of reactivation. Data continues to emerge regarding tuberculosis risk associated with novel biologics targeting cytokines involved in tuberculosis control.
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13
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Pontejo SM, Sanchez C, Ruiz-Argüello B, Alcami A. Insights into ligand binding by a viral tumor necrosis factor (TNF) decoy receptor yield a selective soluble human type 2 TNF receptor. J Biol Chem 2019; 294:5214-5227. [PMID: 30723161 DOI: 10.1074/jbc.ra118.005828] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 01/17/2019] [Indexed: 12/20/2022] Open
Abstract
Etanercept is a soluble form of the tumor necrosis factor receptor 2 (TNFR2) that inhibits pathological tumor necrosis factor (TNF) responses in rheumatoid arthritis and other inflammatory diseases. However, besides TNF, etanercept also blocks lymphotoxin-α (LTα), which has no clear therapeutic value and might aggravate some of the adverse effects associated with etanercept. Poxviruses encode soluble TNFR2 homologs, termed viral TNF decoy receptors (vTNFRs), that display unique specificity properties. For instance, cytokine response modifier D (CrmD) inhibits mouse and human TNF and mouse LTα, but it is inactive against human LTα. Here, we analyzed the molecular basis of these immunomodulatory activities in the ectromelia virus-encoded CrmD. We found that the overall molecular mechanism to bind TNF and LTα from mouse and human origin is fairly conserved in CrmD and dominated by a groove under its 50s loop. However, other ligand-specific binding determinants optimize CrmD for the inhibition of mouse ligands, especially mouse TNF. Moreover, we show that the inability of CrmD to inhibit human LTα is caused by a Glu-Phe-Glu motif in its 90s loop. Importantly, transfer of this motif to etanercept diminished its anti-LTα activity in >60-fold while weakening its TNF-inhibitory capacity in 3-fold. This new etanercept variant could potentially be used in the clinic as a safer alternative to conventional etanercept. This work is the most detailed study of the vTNFR-ligand interactions to date and illustrates that a better knowledge of vTNFRs can provide valuable information to improve current anti-TNF therapies.
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Affiliation(s)
- Sergio M Pontejo
- From the Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Carolina Sanchez
- From the Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Begoña Ruiz-Argüello
- From the Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Antonio Alcami
- From the Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas and Universidad Autónoma de Madrid, 28049 Madrid, Spain
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14
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Altawaty T, Liu L, Zhang H, Tao C, Hou S, Li K, Wang Y. Lack of LTβR Increases Susceptibility of IPEC-J2 Cells to Porcine Epidemic Diarrhea Virus. Cells 2018; 7:cells7110222. [PMID: 30469426 PMCID: PMC6262443 DOI: 10.3390/cells7110222] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 11/02/2018] [Accepted: 11/13/2018] [Indexed: 12/12/2022] Open
Abstract
The essential requirement of the lymphotoxin beta receptor (LTβR) in the development and maintenance of peripheral lymphoid organs is well recognized. Evidence shows that LTβR is involved in various cellular processes; however, whether it plays a role in maintaining the cellular function of intestinal porcine enterocytes (IPEC-J2), specifically during porcine epidemic diarrhea virus (PEDV) infection, remains unknown. In this study, we generated LTβR null IPEC-J2 cells using CRISPR/Cas9 to examine the importance of LTβR in cell proliferation, apoptosis, and the response to PEDV infection. Our results showed that the lack of LTβR leads to significantly decreased cell proliferation, potentially due to S phase arrest in LTβR−/− IPEC-J2 cells. Label-free digital holographic microscopy was used to record the three-dimensional morphology of both cell types for up to 72 hours and revealed significantly increased numbers of LTβR−/− cells undergoing apoptosis. Furthermore, we found that PEDV-infected LTβR−/− null IPEC-J2 cells exhibited significant suppression of nuclear factor kappa-light-chain-enhancer of activated B cells (NFκB) target genes (interleukin (IL)-6 and IL-8) and mucosal barrier integrity-related genes (vascular cell adhesion molecule 1 (VCAM1) and IL-22), which may explain why LTβR−/− cells are more susceptible to PEDV infection. Collectively, our data not only demonstrate the key role of LTβR in intestinal porcine enterocytes, but also provide data for the improved understanding of the cellular response to PEDV infection.
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Affiliation(s)
- Tawfeek Altawaty
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Lulu Liu
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
- Department of Animal Science, Chinese Agricultural University, Beijing 100193, China.
| | - Hongyong Zhang
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Cong Tao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Shaohua Hou
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Kui Li
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Yanfang Wang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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15
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Zhang Y, Kim TJ, Wroblewska JA, Tesic V, Upadhyay V, Weichselbaum RR, Tumanov AV, Tang H, Guo X, Tang H, Fu YX. Type 3 innate lymphoid cell-derived lymphotoxin prevents microbiota-dependent inflammation. Cell Mol Immunol 2018; 15:697-709. [PMID: 28579615 PMCID: PMC6123485 DOI: 10.1038/cmi.2017.25] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 03/15/2017] [Accepted: 03/16/2017] [Indexed: 12/25/2022] Open
Abstract
Splenomegaly is a well-known phenomenon typically associated with inflammation. However, the underlying cause of this phenotype has not been well characterized. Furthermore, the splenomegaly phenotype seen in lymphotoxin (LT) signaling-deficient mice is characterized by increased numbers of splenocytes and splenic neutrophils. Splenomegaly, as well as the related phenotype of increased lymphocyte counts in non-lymphoid tissues, is thought to result from the absence of secondary lymphoid tissues in LT-deficient mice. We now present evidence that mice deficient in LTα1β2 or LTβR develop splenomegaly and increased numbers of lymphocytes in non-lymphoid tissues in a microbiota-dependent manner. Antibiotic administration to LTα1β2- or LTβR-deficient mice reduces splenomegaly. Furthermore, re-derived germ-free Ltbr-/- mice do not exhibit splenomegaly or increased inflammation in non-lymphoid tissues compared to specific pathogen-free Ltbr-/- mice. By using various LTβ- and LTβR-conditional knockout mice, we demonstrate that retinoic acid-related orphan receptor γT-positive type 3 innate lymphoid cells provide the required active LT signaling to prevent the development of splenomegaly. Thus, this study demonstrates the importance of LT-mediated immune responses for the prevention of splenomegaly and systemic inflammation induced by microbiota.
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MESH Headings
- Animals
- Immunity, Innate
- Inflammation/genetics
- Inflammation/immunology
- Inflammation/pathology
- Lymphocytes/immunology
- Lymphocytes/pathology
- Lymphotoxin alpha1, beta2 Heterotrimer/genetics
- Lymphotoxin alpha1, beta2 Heterotrimer/immunology
- Lymphotoxin beta Receptor/genetics
- Lymphotoxin beta Receptor/immunology
- Mice
- Mice, Knockout
- Microbiota/immunology
- Receptors, Antigen, T-Cell, gamma-delta/genetics
- Receptors, Antigen, T-Cell, gamma-delta/immunology
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Affiliation(s)
- Yuan Zhang
- Department of Pathology, University of Chicago, 60637, Chicago, USA, IL
| | - Tae-Jin Kim
- Department of Pathology, University of Chicago, 60637, Chicago, USA, IL
- Department of Biochemistry and Molecular Biology, Korea University College of Medicine, 02841, Seoul, Korea
| | - Joanna A Wroblewska
- Committee on Immunology, Department of Pathology, University of Chicago, 60637, Chicago, IL, USA
| | - Vera Tesic
- Department of Pathology, University of Chicago, 60637, Chicago, USA, IL
| | - Vaibhav Upadhyay
- Committee on Immunology, Department of Pathology, University of Chicago, 60637, Chicago, IL, USA
| | - Ralph R Weichselbaum
- Department of Radiation and Cellular Oncology and The Ludwig Center for Metastasis Research, University of Chicago, 60637, Chicago, IL, USA
| | - Alexei V Tumanov
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center San Antonio, 78229, San Antonio, TX, USA
| | - Hong Tang
- Chinese Academy of Sciences Key Laboratory for Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, 100101, Beijing, China
| | - Xiaohuan Guo
- Institute of Immunology, Tsinghua University School of Medicine, 100084, Beijing, China
| | - Haidong Tang
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Yang-Xin Fu
- Department of Pathology, University of Chicago, 60637, Chicago, USA, IL.
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.
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16
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Maeda T, Suetake H, Odaka T, Miyadai T. Original Ligand for LTβR Is LIGHT: Insight into Evolution of the LT/LTβR System. THE JOURNAL OF IMMUNOLOGY 2018; 201:202-214. [PMID: 29769272 DOI: 10.4049/jimmunol.1700900] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 04/25/2018] [Indexed: 01/23/2023]
Abstract
The lymphotoxin (LT)/LTβ receptor (LTβR) axis is crucial for the regulation of immune responses and development of lymphoid tissues in mammals. Despite the importance of this pathway, the existence and function of LT and LTβR remain obscure for nonmammalian species. In this study, we report a nonmammalian LTβR and its ligand. We demonstrate that TNF-New (TNFN), which has been considered orthologous to mammalian LT, was expressed on the cell surface as a homomer in vitro. This different protein structure indicates that TNFN is not orthologous to mammalian LTα and LTβ. Additionally, we found that LTβR was conserved in teleosts, but the soluble form of recombinant fugu LTβR did not bind to membrane TNFN under the circumstance tested. Conversely, the LTβR recombinant bound to another ligand, LIGHT, similar to that of mammals. These findings indicate that teleost LTβR is originally a LIGHT receptor. In the cytoplasmic region of fugu LTβR, recombinant fugu LTβR bound to the adaptor protein TNFR-associated factor (TRAF) 2, but little to TRAF3. This difference suggests that teleost LTβR could potentially activate the classical NF-κB pathway with a novel binding domain, but would have little ability to activate an alternative one. Collectively, our results suggested that LIGHT was the original ligand for LTβR, and that the teleost immune system lacked the LT/LTβR pathway. Acquisition of the LT ligand and TRAF binding domain after lobe-finned fish may have facilitated the sophistication of the immune system and lymphoid tissues.
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Affiliation(s)
- Tomoki Maeda
- Graduate School of Biosciences and Biotechnology, Fukui Prefectural University, Fukui 917-0003, Japan.,Japan Society for the Promotion of Science, Tokyo 102-0083, Japan; and
| | - Hiroaki Suetake
- Faculty of Marine Science and Technology, Fukui Prefectural University, Fukui 917-0003, Japan
| | - Tomoyuki Odaka
- Faculty of Marine Science and Technology, Fukui Prefectural University, Fukui 917-0003, Japan
| | - Toshiaki Miyadai
- Faculty of Marine Science and Technology, Fukui Prefectural University, Fukui 917-0003, Japan
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17
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Seeger H, Lindenmeyer MT, Cohen CD, Jaeckel C, Nelson PJ, Chen J, Edenhofer I, Kozakowski N, Regele H, Boehmig G, Brandt S, Wuethrich RP, Heikenwalder M, Fehr T, Segerer S. Lymphotoxin expression in human and murine renal allografts. PLoS One 2018; 13:e0189396. [PMID: 29300739 PMCID: PMC5754061 DOI: 10.1371/journal.pone.0189396] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 11/26/2017] [Indexed: 01/23/2023] Open
Abstract
The kidney is the most frequently transplanted solid organ. Recruitment of inflammatory cells, ranging from diffuse to nodular accumulations with defined microarchitecture, is a hallmark of acute and chronic renal allograft injury. Lymphotoxins (LTs) mediate the communication of lymphocytes and stromal cells and play a pivotal role in chronic inflammation and formation of lymphoid tissue. The aim of this study was to assess the expression of members of the LT system in acute rejection (AR) and chronic renal allograft injury such as transplant glomerulopathy (TG) and interstitial fibrosis/tubular atrophy (IFTA). We investigated differentially regulated components in transcriptomes of human renal allograft biopsies. By microarray analysis, we found the upregulation of LTβ, LIGHT, HVEM and TNF receptors 1 and 2 in AR and IFTA in human renal allograft biopsies. In addition, there was clear evidence for the activation of the NFκB pathway, most likely a consequence of LTβ receptor stimulation. In human renal allograft biopsies with transplant glomerulopathy (TG) two distinct transcriptional patterns of LT activation were revealed. By quantitative RT-PCR robust upregulation of LTα, LTβ and LIGHT was shown in biopsies with borderline lesions and AR. Immunohistochemistry revealed expression of LTβ in tubular epithelial cells and inflammatory infiltrates in transplant biopsies with AR and IFTA. Finally, activation of LT signaling was reproduced in a murine model of renal transplantation with AR. In summary, our results indicate a potential role of the LT system in acute renal allograft rejection and chronic transplant injury. Activation of the LT system in allograft rejection in rodents indicates a species independent mechanism. The functional role of the LT system in acute renal allograft rejection and chronic injury remains to be determined.
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Affiliation(s)
- Harald Seeger
- Division of Nephrology, University Hospital, Zuerich, Switzerland
- Institute of Physiology and Zuerich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zuerich, Switzerland
- * E-mail:
| | - Maja T. Lindenmeyer
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Clemens D. Cohen
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Carsten Jaeckel
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Peter J. Nelson
- Nephrological Center, Medical Clinic and Policlinic IV, University of Munich, Munich, Germany
| | - Jin Chen
- Division of Nephrology, University Hospital, Zuerich, Switzerland
- Institute of Physiology and Zuerich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zuerich, Switzerland
| | - Ilka Edenhofer
- Division of Nephrology, University Hospital, Zuerich, Switzerland
- Institute of Physiology and Zuerich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zuerich, Switzerland
| | | | - Heinz Regele
- Clinical Institute of Pathology, University of Vienna, Vienna, Austria
| | - Georg Boehmig
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna, Austria
| | - Simone Brandt
- Institute of Surgical Pathology, University Hospital Zuerich, Zurich, Switzerland
| | - Rudolf P. Wuethrich
- Division of Nephrology, University Hospital, Zuerich, Switzerland
- Institute of Physiology and Zuerich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zuerich, Switzerland
| | - Mathias Heikenwalder
- Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Thomas Fehr
- Department of Internal Medicine, Kantonsspital Graubuenden, Chur, Switzerland
| | - Stephan Segerer
- Division of Nephrology, University Hospital, Zuerich, Switzerland
- Institute of Physiology and Zuerich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zuerich, Switzerland
- Division of Nephrology, Kantonsspital Aarau, Aarau, Switzerland
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18
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Blanco FC, Soria MA, Klepp LI, Bigi F. ERAP1 and PDE8A Are Downregulated in Cattle Protected against Bovine Tuberculosis. J Mol Microbiol Biotechnol 2017; 27:237-245. [PMID: 28903115 DOI: 10.1159/000479183] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 07/03/2017] [Indexed: 12/26/2022] Open
Abstract
Bovine tuberculosis (bTB) is a zoonotic disease caused by Mycobacterium bovis that is responsible for significant economic losses worldwide. In spite of its relevance, the limited knowledge about the host immune responses that provide effective protection against the disease has long hampered the development of an effective vaccine. The identification of host proteins with an expression that correlates with protection against bTB would contribute to the understanding of the cattle defence mechanisms against M. bovis infection. In this study, we found that ERAP1 and PDE8A were downregulated in vaccinated cattle that were protected from experimental M. bovis challenge. Remarkably, both genes encode proteins that have been negatively associated with immune protection against bTB.
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19
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The Lymphotoxin β Receptor Is Essential for Upregulation of IFN-Induced Guanylate-Binding Proteins and Survival after Toxoplasma gondii Infection. Mediators Inflamm 2017; 2017:7375818. [PMID: 28845089 PMCID: PMC5563413 DOI: 10.1155/2017/7375818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/23/2017] [Accepted: 06/07/2017] [Indexed: 12/22/2022] Open
Abstract
Lymphotoxin β receptor (LTβR) signaling plays an important role in efficient initiation of host responses to a variety of pathogens, encompassing viruses, bacteria, and protozoans via induction of the type I interferon response. The present study reveals that after Toxoplasma gondii infection, LTβR−/− mice show a substantially reduced survival rate when compared to wild-type mice. LTβR−/− mice exhibit an increased parasite load and a more pronounced organ pathology. Also, a delayed increase of serum IL-12p40 and a failure of the protective IFNγ response in LTβR−/− mice were observed. Serum NO levels in LTβR−/− animals rose later and were markedly decreased compared to wild-type animals. At the transcriptional level, LTβR−/− animals exhibited a deregulated expression profile of several cytokines known to play a role in activation of innate immunity in T. gondii infection. Importantly, expression of the IFNγ-regulated murine guanylate-binding protein (mGBP) genes was virtually absent in the lungs of LTβR−/− mice. This demonstrates clearly that the LTβR is essential for the induction of a type II IFN-mediated immune response against T. gondii. The pronounced inability to effectively upregulate host defense effector molecules such as GBPs explains the high mortality rates of LTβR−/− animals after T. gondii infection.
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20
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Wroblewska JA, Zhang Y, Tang H, Guo X, Nagler C, Fu YX. Cutting Edge: Lymphotoxin Signaling Is Essential for Clearance of Salmonella from the Gut Lumen and Generation of Anti-Salmonella Protective Immunity. THE JOURNAL OF IMMUNOLOGY 2017; 198:55-60. [PMID: 27913631 DOI: 10.4049/jimmunol.1600867] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 11/02/2016] [Indexed: 11/19/2022]
Abstract
The immunological components that control resolution of Salmonella infection and successful vaccination are poorly defined. In a model of chronic gastrointestinal infection, we observed that the lymphotoxin (LT) pathway is essential for the clearance and resolution of primary infection of attenuated Salmonella enterica Typhimurium strain SL3261 ΔaroA Using gnotobiotic mice, we show that LTβ receptor (LTβR) signaling and the microbiota are required to promote clearance of attenuated S. enterica Typhimurium from the gut lumen. We also found that LTβR signaling was required for successful immunization and subsequent protection upon challenge with a virulent strain of S enterica Typhimurium. LTβR signaling promoted the development of specific IgG recognizing S enterica Typhimurium during infection, as well as Ag-driven IFN-γ responses. B cell- and type 3 innate lymphoid cell-derived LT signaling, but not T cell-derived LT, contributes to anti-S enterica Typhimurium protective responses. Collectively, our results suggest that LT signaling is essential for multiple steps of anti-S enterica Typhimurium immune responses.
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Affiliation(s)
| | - Yuan Zhang
- Department of Pathology, University of Chicago, Chicago, IL 60637
| | - Haidong Tang
- Department of Pathology, University of Chicago, Chicago, IL 60637.,Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390; and
| | - Xiaohuan Guo
- Tsinghua University School of Medicine, Beijing 100084, China
| | - Cathryn Nagler
- Committee on Immunology, University of Chicago, Chicago, IL 60637.,Department of Pathology, University of Chicago, Chicago, IL 60637
| | - Yang-Xin Fu
- Committee on Immunology, University of Chicago, Chicago, IL 60637; .,Department of Pathology, University of Chicago, Chicago, IL 60637.,Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75390; and
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21
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Highly Multiplexed Proteomic Analysis of Quantiferon Supernatants To Identify Biomarkers of Latent Tuberculosis Infection. J Clin Microbiol 2016; 55:391-402. [PMID: 27852671 PMCID: PMC5277508 DOI: 10.1128/jcm.01646-16] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 10/10/2016] [Indexed: 01/16/2023] Open
Abstract
The tests for diagnosing latent tuberculosis infection (LTBI) are limited by a poor predictive value for identifying people at the highest risk for progressing to active tuberculosis (TB) and have various sensitivities and specificities in different populations. Identifying a more robust signature for LTBI is important for TB prevention and elimination. A pilot study was conducted with samples from immigrants to the United States that were screened for LTBI by the three commercially approved tests, namely, the tuberculin skin test (TST), the Quantiferon-TB Gold in-tube (QFT-GIT), and the T-SPOT.TB (T-SPOT). QFT-GIT supernatants from 13 people with concordant positive results and 26 people with concordant negative results were analyzed via the highly multiplexed SOMAscan proteomic assay. The proteins in the stimulated supernatants that distinguished LTBI from controls included interleukin-2 (IL-2), monocyte chemotactic protein 2 (MCP-2), interferon gamma inducible protein-10 (IP-10), interferon gamma (IFN-γ), tumor necrosis factor superfamily member 14 (TNFSF14, also known as LIGHT), monokine induced by gamma interferon (MIG), and granzyme B (P <0.00001). In addition, antigen stimulation increased the expression of heparin-binding EGF-like growth factor (HB-EGF) and activin AB in LTBI samples. In nil tubes, LIGHT was the most significant marker (P <0.0001) and was elevated in LTBI subjects. Other prominent markers in nonstimulated QFT-GIT supernatants were the complement-3 components C3b, iC3b, and C3d, which were upregulated in LTBI and markedly decreased upon stimulation. We found known and novel proteins that warrant further studies for developing improved tests for LTBI, for predicting progression to active disease, and for discriminating LTBI from active TB.
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22
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Cai H, Chen S, Xu S, Sun Y, Bai Q, Lu C, Chen Y, Fu X, Xu G, Chen L. Deficiency of LIGHT signaling pathway exacerbates Chlamydia psittaci respiratory tract infection in mice. Microb Pathog 2016; 100:250-256. [PMID: 27725282 DOI: 10.1016/j.micpath.2016.10.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 09/27/2016] [Accepted: 10/06/2016] [Indexed: 11/28/2022]
Abstract
LIGHT, a costimulatory member of the immunoglobulin superfamily (Ig SF), can greatly impact T cell activation. The role of the LIGHT signaling pathway in chlamydial infection was evaluated in mice following respiratory tract infection with Chlamydia psittaci. Compared with wild type (WT) mice, LIGHT knockout (KO) mice showed significant reduction of body weight, much lower survival rate, higher bacterial burden, prolonged infection time courses and more severe pathological changes in lung tissue. The mRNA levels of IFN-γ, TNF-α, IL-17 and IL-12 in the lung tissue of LIGHT KO mice were significantly lower than those in WT mice. While there was no obvious difference in the percentages of CD4+ and CD8+ T cells in the spleens of the two groups of mice, there was a markedly elevated percentage of CD4+ CD25+ FoxP3+ Treg cells in LIGHT KO mice. Together, these results demonstrate that the LIGHT signaling pathway is not only required for inflammatory cytokine production as part of the host response to chlamydial infection, but also influences the differentiation of CD4+ CD25+ FoxP3+ Treg cells, both of which may be essential for control of C. psittaci respiratory tract infection.
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Affiliation(s)
- Hengling Cai
- College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China; Medical College, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Shenghua Chen
- Medical College, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Sha Xu
- College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Yuanbin Sun
- College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Qinqin Bai
- College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Chunxue Lu
- Medical College, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Yuyu Chen
- Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 421000, China
| | - Xizong Fu
- College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China
| | - Guilian Xu
- Institute of Immunology, The Third Military Medical University, Chongqing 400038, China.
| | - Lili Chen
- College of Public Health, University of South China, 28 West Changsheng Rd., Hengyang, Hunan 421001, China.
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Xing Q, Yu Q, Dou H, Wang J, Li R, Ning X, Wang R, Wang S, Zhang L, Hu X, Bao Z. Genome-wide identification, characterization and expression analyses of two TNFRs in Yesso scallop (Patinopecten yessoensis) provide insight into the disparity of responses to bacterial infections and heat stress in bivalves. FISH & SHELLFISH IMMUNOLOGY 2016; 52:44-56. [PMID: 26988286 DOI: 10.1016/j.fsi.2016.03.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 01/28/2016] [Accepted: 03/10/2016] [Indexed: 05/16/2023]
Abstract
Tumor necrosis factors receptors (TNFRs) comprise a superfamily of proteins characterized by a unique cysteine-rich domain (CRD) and play important roles in diverse physiological and pathological processes in the innate immune system, including inflammation, apoptosis, autoimmunity and organogenesis. Although significant effects of TNFRs on immunity have been reported in most vertebrates as well as some invertebrates, the complete TNFR superfamily has not been systematically characterized in scallops. In this study, two different types of TNFR-like genes, including PyTNFR1 and PyTNFR2 genes were identified from Yesso scallop (Patinopecten yessoensis, Jay, 1857) through whole-genome scanning. Phylogenetic and protein structural analyses were carried out to determine the identities and evolutionary relationships of the two genes. The expression profiling of PyTNFRs was performed at different development stages, in healthy adult tissues and in hemocytes after bacterial infection and heat stress. Expression analysis revealed that both PyTNFRs were significantly induced during the acute phase (3 h) after infection with Gram-positive (Micrococcus luteus) and Gram-negative (Vibrio anguillarum) bacteria, though much more dramatic chronic-phase (24 h) changes were observed after V. anguillarum challenge. For heat stress, only PyTNFR2 displayed significant elevation at 12 h and 24 h, which suggests a functional difference in the two PyTNFRs. Collectively, this study provides novel insight into the PyTNFRs and the specific role and response of TNFR-involved pathways in host immune responses against different bacterial pathogens and heat stress in bivalves.
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Affiliation(s)
- Qiang Xing
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Qian Yu
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Huaiqian Dou
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Jing Wang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Ruojiao Li
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Xianhui Ning
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Ruijia Wang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.
| | - Shi Wang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Lingling Zhang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.
| | - Xiaoli Hu
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Zhenmin Bao
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
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Sun T, Rojas OL, Li C, Philpott DJ, Gommerman JL. Hematopoietic LTβR deficiency results in skewed T cell cytokine profiles during a mucosal viral infection. J Leukoc Biol 2015; 100:103-10. [DOI: 10.1189/jlb.4mab0715-294r] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 11/12/2015] [Indexed: 12/31/2022] Open
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Murine Fibroblastic Reticular Cells From Lymph Node Interact With CD4+ T Cells Through CD40-CD40L. Transplantation 2015; 99:1561-7. [PMID: 25856408 DOI: 10.1097/tp.0000000000000710] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Costimulatory blockade with anti-CD40L monoclonal antibody (mAb) plus donor-specific splenocyte transfusion (DST) induces alloantigen-specific tolerance. We previously showed that lymphotoxin signaling in the fibroblastic reticular cell (FRC) stromal subset was required for proper lymph node structure and function during tolerization in murine cardiac transplantation. Here we focused on FRC functions and hypothesized that DST and anti-CD40L mAb-modulated FRC interactions with CD4(+) T cells in mice. METHODS Mice were immunized or tolerized by DST or DST plus anti-CD40L mAb. Fibroblastic reticular cells were flow-sorted at different timepoints for characterization and in vitro proliferation and activation assays. RESULTS Fibroblastic reticular cells responded rapidly to DST by transcribing inflammatory cytokine and chemokine messenger RNAs, such as CXCL2, CXCL9, CXCL10, and CCL21. Conversely, anti-CD40L mAb inhibited FRC inflammatory responses. CD40 was expressed on FRC and agonistic anti-CD40 mAb activated FRC, which supported CD4(+) T-cell proliferation, whereas unstimulated FRC did not. Anti-CD3 mAb-activated CD4(+) T cells induced inflammatory cytokine and chemokine expressions by FRC, which were inhibited by anti-CD40L mAb. Thus, FRC phenotype was altered by interaction with CD4(+) T cells through CD40-CD40L, and activated FRC interacted directly with CD4(+) T cells to support T cell activation and proliferation in vitro. CONCLUSIONS Taken together, these results demonstrated that CD40 on FRC facilitated bidirectional communication between FRC and CD4(+) T cells via CD40-CD40L, thereby altering FRC gene expression of immune regulatory molecules. Because blockade of CD40-CD40L interactions results in tolerance in mice, identification of FRC-T cell interactions provides a new research target for tolerance induction.
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Gautam US, McGillivray A, Mehra S, Didier PJ, Midkiff CC, Kissee RS, Golden NA, Alvarez X, Niu T, Rengarajan J, Sherman DR, Kaushal D. DosS Is required for the complete virulence of mycobacterium tuberculosis in mice with classical granulomatous lesions. Am J Respir Cell Mol Biol 2015; 52:708-16. [PMID: 25322074 DOI: 10.1165/rcmb.2014-0230oc] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) must counter hypoxia within granulomas to persist. DosR, in concert with sensor kinases DosS and DosT, regulates the response to hypoxia. Yet Mtb lacking functional DosR colonize the lungs of C57Bl/6 mice, presumably owing to the lack of organized lesions with sufficient hypoxia in that model. We compared the phenotype of the Δ-dosR, Δ-dosS, and Δ-dosT mutants to Mtb using C3HeB/FeJ mice, an alternate mouse model where lesions develop hypoxia. C3HeB/FeJ mice were infected via aerosol. The progression of infection was analyzed by tissue bacterial burden and histopathology. A measure of the comparative global immune responses was also analyzed. Although Δ-dosR and Δ-dosT grew comparably to wild-type Mtb, Δ-dosS exhibited a significant defect in bacterial burden and pathology in vivo, accompanied by ablated proinflammatory response. Δ-dosS retained the ability to induce DosR. The Δ-dosS mutant was also attenuated in murine macrophages ex vivo, with evidence of reduced expression of the proinflammatory signature. Our results show that DosS, but not DosR and DosT, is required by Mtb to survive in C3HeB/FeJ mice. The attenuation of Δ-dosS is not due to its inability to induce the DosR regulon, nor is it a result of the accumulation of hypoxia. That the in vivo growth restriction of Δ-dosS could be mimicked ex vivo suggested sensitivity to macrophage oxidative burst. Anoxic caseous centers within tuberculosis lesions eventually progress to cavities. Our results provide greater insight into the molecular mechanisms of Mtb persistence within host lungs.
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Control of Mycobacterial Infections in Mice Expressing Human Tumor Necrosis Factor (TNF) but Not Mouse TNF. Infect Immun 2015; 83:3612-23. [PMID: 26123801 DOI: 10.1128/iai.00743-15] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 06/24/2015] [Indexed: 12/21/2022] Open
Abstract
Tumor necrosis factor (TNF) is an important cytokine for host defense against pathogens but is also associated with the development of human immunopathologies. TNF blockade effectively ameliorates many chronic inflammatory conditions but compromises host immunity to tuberculosis. The search for novel, more specific human TNF blockers requires the development of a reliable animal model. We used a novel mouse model with complete replacement of the mouse TNF gene by its human ortholog (human TNF [huTNF] knock-in [KI] mice) to determine resistance to Mycobacterium bovis BCG and M. tuberculosis infections and to investigate whether TNF inhibitors in clinical use reduce host immunity. Our results show that macrophages from huTNF KI mice responded to BCG and lipopolysaccharide similarly to wild-type macrophages by NF-κB activation and cytokine production. While TNF-deficient mice rapidly succumbed to mycobacterial infection, huTNF KI mice survived, controlling the bacterial burden and activating bactericidal mechanisms. Administration of TNF-neutralizing biologics disrupted the control of mycobacterial infection in huTNF KI mice, leading to an increased bacterial burden and hyperinflammation. Thus, our findings demonstrate that human TNF can functionally replace murine TNF in vivo, providing mycobacterial resistance that could be compromised by TNF neutralization. This new animal model will be helpful for the testing of specific biologics neutralizing human TNF.
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28
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Therapeutic blockade of LIGHT interaction with herpesvirus entry mediator and lymphotoxin β receptor attenuates in vivo cytotoxic allogeneic responses. Transplantation 2015; 98:1165-74. [PMID: 25226173 DOI: 10.1097/tp.0000000000000417] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Tumor necrosis factor/tumor necrosis factor receptor superfamily members conform a group of molecular interaction pathways of essential relevance during the process of T-cell activation and differentiation toward effector cells and particularly for the maintenance phase of the immune response. Specific blockade of these interacting pathways, such as CD40-CD40L, contributes to modulate the deleterious outcome of allogeneic immune responses. We postulated that antagonizing the interaction of LIGHT expression on activated T cells with its receptors, herpesvirus entry mediator and lymphotoxin β receptor, may decrease T cell-mediated allogeneic responses. METHODS A flow cytometry competition assay was designed to identify anti-LIGHT monoclonal antibodies capable to prevent the interaction of mouse LIGHT with its receptors expressed on transfected cells. An antibody with the desired specificity was evaluated in a short-term in vivo allogeneic cytotoxic assay and tested for its ability to detect endogenous mouse LIGHT. RESULTS We provide evidence for the first time that in mice, as previously described in humans, LIGHT protein is rapidly and transiently expressed after T-cell activation, and this expression was stronger on CD8 T cells than on CD4 T cells. Two anti-LIGHT antibodies prevented interactions of mouse LIGHT with its two known receptors, herpesvirus entry mediator and lymphotoxin β receptor. In vivo administration of anti-LIGHT antibody (clone 10F12) ameliorated host antidonor short-term cytotoxic response in wild type B6 mice, although to a lesser extent than that observed in LIGHT-deficient mice. CONCLUSION The therapeutic targeting of LIGHT may contribute to achieve a better control of cytotoxic responses refractory to current immunosuppressive drugs in transplantation.
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Behnke K, Sorg UR, Herebian D, Häussinger D, Keitel V, Pfeffer K. The role of the lymphotoxin-β receptor (LTβR) in hepatocyte-mediated liver regeneration. Eur J Med Res 2014. [PMCID: PMC4118454 DOI: 10.1186/2047-783x-19-s1-s3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Walk EL, McLaughlin S, Coad J, Weed SA. Use of high frequency ultrasound to monitor cervical lymph node alterations in mice. PLoS One 2014; 9:e100185. [PMID: 24955984 PMCID: PMC4067293 DOI: 10.1371/journal.pone.0100185] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 05/23/2014] [Indexed: 01/19/2023] Open
Abstract
Cervical lymph node evaluation by clinical ultrasound is a non-invasive procedure used in diagnosing nodal status, and when combined with fine-needle aspiration cytology (FNAC), provides an effective method to assess nodal pathologies. Development of high-frequency ultrasound (HF US) allows real-time monitoring of lymph node alterations in animal models. While HF US is frequently used in animal models of tumor biology, use of HF US for studying cervical lymph nodes alterations associated with murine models of head and neck cancer, or any other model of lymphadenopathy, is lacking. Here we utilize HF US to monitor cervical lymph nodes changes in mice following exposure to the oral cancer-inducing carcinogen 4-nitroquinoline-1-oxide (4-NQO) and in mice with systemic autoimmunity. 4-NQO induces tumors within the mouse oral cavity as early as 19 wks that recapitulate HNSCC. Monitoring of cervical (mandibular) lymph nodes by gray scale and power Doppler sonography revealed changes in lymph node size eight weeks after 4-NQO treatment, prior to tumor formation. 4-NQO causes changes in cervical node blood flow resulting from oral tumor progression. Histological evaluation indicated that the early 4-NQO induced changes in lymph node volume were due to specific hyperproliferation of T-cell enriched zones in the paracortex. We also show that HF US can be used to perform image-guided fine needle aspirate (FNA) biopsies on mice with enlarged mandibular lymph nodes due to genetic mutation of Fas ligand (Fasl). Collectively these studies indicate that HF US is an effective technique for the non-invasive study of cervical lymph node alterations in live mouse models of oral cancer and other mouse models containing cervical lymphadenopathy.
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Affiliation(s)
- Elyse L. Walk
- Department of Neurobiology and Anatomy, West Virginia University, Morgantown, West Virginia, United States of America
- Program in Cancer Cell Biology, West Virginia University, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia, United States of America
| | - Sarah McLaughlin
- Animal Models and Imaging Facility, West Virginia University, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia, United States of America
| | - James Coad
- Department of Pathology, West Virginia University, Morgantown, West Virginia, United States of America
| | - Scott A. Weed
- Department of Neurobiology and Anatomy, West Virginia University, Morgantown, West Virginia, United States of America
- Program in Cancer Cell Biology, West Virginia University, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, West Virginia, United States of America
- * E-mail:
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Salgado E, Gómez-Reino JJ. The risk of tuberculosis in patients treated with TNF antagonists. Expert Rev Clin Immunol 2014; 7:329-40. [DOI: 10.1586/eci.11.6] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Molecular characterization, expression and binding activity of the cytokines TNFSF14 and its receptor LTBR in Oryctolagus cuniculus (rabbit). Mol Immunol 2013; 54:368-77. [DOI: 10.1016/j.molimm.2012.12.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Revised: 12/19/2012] [Accepted: 12/20/2012] [Indexed: 01/15/2023]
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Abstract
The field of lymphotoxin biology has seen many advances in the past decade. Notably, a role for lymphotoxin as a key effector cytokine has emerged to add to its foundational contribution to lymphoid organogenesis. It is now clear that lymphotoxin contributes to host defense for a wide variety of pathogens, and the lymphotoxin receptor is a defining feature of and regulatory mechanism in both innate and adaptive immunities. Specifically, lymphotoxin contributes to Th education, licensing of IL-22 production from type 3 innate lymphoid cells, and even maintains innate myeloid populations within the fully developed lymph node. Most recently, lymphotoxin has been implicated in regulation of the microbiota and metabolic disease. Early studies revealed that lymphotoxin might influence composition of the commensal microbiota through its regulation of immunological compartmentalization in the gut. Additionally, several epidemiological studies have linked polymorphisms in lymphotoxin to metabolic disease. Studies exploring the role of lymphotoxin in metabolic disease have demonstrated that lymphotoxin may influence metabolism both directly in the liver and indirectly through regulation of gut immune responses. It now appears that lymphotoxin may bridge the gap between altered composition of the commensal microbiota and metabolism.
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Affiliation(s)
- Vaibhav Upadhyay
- Committee on Immunology, University of Chicago, Chicago, IL 60637, USA.
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34
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Lymphotoxin-beta receptor signalling regulates cytokine expression via TRIM30α in a TRAF3-dependent manner. Mol Immunol 2013; 54:40-7. [DOI: 10.1016/j.molimm.2012.10.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Revised: 10/23/2012] [Accepted: 10/27/2012] [Indexed: 02/06/2023]
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35
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Upadhyay V, Fu YX. Lymphotoxin signalling in immune homeostasis and the control of microorganisms. Nat Rev Immunol 2013; 13:270-9. [PMID: 23524463 PMCID: PMC3900493 DOI: 10.1038/nri3406] [Citation(s) in RCA: 92] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Lymphotoxin (LT) is a member of the tumour necrosis factor (TNF) superfamily that was originally thought to be functionally redundant to TNF, but these proteins were later found to have independent roles in driving lymphoid organogenesis. More recently, LT-mediated signalling has been shown to actively contribute to effector immune responses. LT regulates dendritic cell and CD4(+) T cell homeostasis in the steady state and determines the functions of these cells during pathogenic challenges. The LT receptor pathway is essential for controlling pathogens and even contributes to the regulation of the intestinal microbiota, with recent data suggesting that LT-induced changes in the microbiota promote metabolic disease. In this Review, we discuss these newly defined roles for LT, with a particular focus on how the LT receptor pathway regulates innate and adaptive immune responses to microorganisms.
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Affiliation(s)
- Vaibhav Upadhyay
- Department of Pathology, University of Chicago, Chicago, Illinois 60637, USA
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36
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Kouklakis G, Efremidou EI, Pitiakoudis M, Liratzopoulos N, Polychronidis AC. Development of primary malignant melanoma during treatment with a TNF-α antagonist for severe Crohn's disease: a case report and review of the hypothetical association between TNF-α blockers and cancer. Drug Des Devel Ther 2013; 7:195-9. [PMID: 23569358 PMCID: PMC3615922 DOI: 10.2147/dddt.s41889] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
It is recognized that immunosuppression may lead to reduced immune surveillance and tumor formation. Because of the immunosuppressive properties of tumor necrosis factor (TNF)-alpha (TNF-α) antagonists, it is plausible that these biologics may increase the risk of the occurrence of malignancies or the reactivation of latent malignancies. TNF-α antagonists have gained momentum in the field of dermatology for treating rheumatoid arthritis and psoriasis, and they have revolutionized the treatment of other inflammatory autoimmune diseases such as refractory Crohn's disease. However, there is accumulating evidence that TNF-α inhibitors slightly increase the risk of cancer, including malignant melanoma (MM). The authors herein report the case of a 54-year-old female patient who developed a primary MM during treatment with adalimumab for severe Crohn's disease resistant to successive medical therapies. The patient had been receiving this TNF-α blocker therapy for 3 years before the occurrence of MM. After wide surgical excision of the lesion and staging (based on Breslow thickness and Clark level), evaluation with a whole-body computed tomography scan was negative for metastatic disease. The long duration of the adalimumab therapy and the patient's lack of a predisposition to skin cancer suggest an association between anti-TNF-α drugs and melanocytic proliferation. The authors also review the literature on the potential association between anti-TNF regimens and the occurrence of malignancies such as melanocytic proliferations. There is a substantial hypothetical link between anti-TNF-α regimens such as adalimumab and the potential for cancers such as melanoma. However, the risk of malignancy with biological therapy remains to be established, and most of the relevant studies have lacked the statistical power and randomization required for large clinical trials. Further long-term controlled clinical trials and registries are required to investigate this potentially serious association.
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Affiliation(s)
- George Kouklakis
- Endoscopy Unit, Medical School, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Eleni I Efremidou
- First Surgical Department, Medical School, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Michael Pitiakoudis
- Second Surgical Department, Medical School, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Nikolaos Liratzopoulos
- First Surgical Department, Medical School, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Alexandros Ch Polychronidis
- First Surgical Department, Medical School, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
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Ware CF. Protein therapeutics targeted at the TNF superfamily. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2013; 66:51-80. [PMID: 23433455 DOI: 10.1016/b978-0-12-404717-4.00002-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Protein-based drugs with their unequivocal specificity achieved the long sought milestone of selectively disrupting cytokine pathways to alleviate ongoing inflammation. Tumor necrosis factor (TNF), a member of the superfamily of cytokines involved in regulating immune and inflammatory processes, provides an exemplary model of protein therapeutics. Antibody and receptor-based inhibitors of TNF modify inflammation leading to dramatic improvement in patients with certain autoimmune diseases. Collectively, the structure, specificity and valence of these protein-based drugs provide direct evidence that the essential mechanism of action is antagonism of the ligand-receptor interaction. Accumulating clinical knowledge regarding TNF inhibitors also provide insights into the mechanisms involved in different autoimmune diseases. Experience in the development of an arsenal of biologics directed at TNF has additionally contributed to knowledge toward overcoming the challenges of protein drugs, which include production, delivery, antigenicity and pharmacodynamics. Dramatic clinical outcomes with TNF inhibitors are driving investigation and development of biologics toward other members of the TNF superfamily to selectively alter functional properties of the immune system.
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Affiliation(s)
- Carl F Ware
- Laboratory of Molecular Immunology, Infectious and Inflammatory Diseases Center, Sanford Burnham Medical Research Institute, La Jolla, CA, USA.
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De Trez C. Lymphotoxin-beta receptor expression and its related signaling pathways govern dendritic cell homeostasis and function. Immunobiology 2012; 217:1250-8. [PMID: 22795648 DOI: 10.1016/j.imbio.2012.06.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Accepted: 06/20/2012] [Indexed: 12/23/2022]
Abstract
Dendritic cells (DCs) play a fundamental function, either positive or detrimental, in regulating immune responses. Numerous specialized DC subsets exist in different organs. However, the trophic factors regulating their origin, location, homeostasis and functions remains to be fully understood. Recent evidence indicates that signaling via the lymphotoxin β receptor (LTβR) can function as a trophic signaling system for specific DCs. LTβR is part of a complex signaling network that provides both positive and inhibitory signals to DC subsets. In this review, we focus on the role of LTβR expressed in DC subsets and its associated signaling pathways that regulate DC homeostasis and function. Therapeutically targeting the LTβR signaling pathway could support the development of a beneficial immune response for the host.
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Affiliation(s)
- Carl De Trez
- VIB Department of Structural Biology, Laboratory of Cellular and Molecular Immunology, Vrij Universiteit Brussel (VUB), Building E8.01, Pleinlaan 2, B-1050 Brussels, Belgium.
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Wimmer N, Huber B, Wege AK, Barabas N, Röhrl J, Pfeffer K, Hehlgans T. Lymphotoxin-beta receptor activation on macrophages ameliorates acute DSS-induced intestinal inflammation in a TRIM30α-dependent manner. Mol Immunol 2012; 51:128-35. [DOI: 10.1016/j.molimm.2012.02.118] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2011] [Revised: 02/17/2012] [Accepted: 02/20/2012] [Indexed: 11/15/2022]
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40
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Wimmer N, Huber B, Barabas N, Röhrl J, Pfeffer K, Hehlgans T. Lymphotoxin β receptor activation on macrophages induces cross-tolerance to TLR4 and TLR9 ligands. THE JOURNAL OF IMMUNOLOGY 2012; 188:3426-33. [PMID: 22357629 DOI: 10.4049/jimmunol.1103324] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Our previous studies indicated that lymphotoxin β receptor (LTβR) activation controls and downregulates inflammatory reactions. In this study, we report that LTβR activation on primary mouse macrophages results in induction of tripartite motif containing (TRIM) 30α, which negatively regulates NF-κB activation induced by TLR signaling. LTβR activation results in a downregulation of proinflammatory cytokine and mediator expression upon TLR restimulation, demonstrating that LTβR signaling is involved in the induction of TLR cross-tolerance. Specific knockdown experiments using TRIM30α-specific small interfering RNA abolished the LTβR-dependent induction of TRIM30α and LTβR-mediated TLR cross-tolerance. Concordantly, LTβR activation on bone marrow-derived macrophages induced cross-tolerance to TLR4 and TLR9 ligands in vitro. Furthermore, we have generated cell type-specific LTβR-deficient mice with ablation of LTβR expression on macrophages/neutrophils (LTβR(flox/flox) × LysM-Cre). In bone marrow-derived macrophages derived from these mice LTβR-induced cross-tolerance to TLR4 and TLR9 ligands was impaired. Additionally, mice with a conditional ablation of LTβR expression on macrophages (LTβR(flox/flox) × LysM-Cre) are resistant to LTβR-induced TLR4 tolerance in vivo. Collectively, our data indicate that LTβR activation on macrophages by T cell-derived lymphotoxin α(1)β(2) controls proinflammatory responses by activation of a TRIM30α-controlled, counterregulatory signaling pathway to protect against exacerbating inflammatory reactions.
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Affiliation(s)
- Nadin Wimmer
- Institute of Immunology, University of Regensburg, 93053 Regensburg, Germany
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41
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Gommerman JL, Summers deLuca L. LTβR and CD40: working together in dendritic cells to optimize immune responses. Immunol Rev 2012; 244:85-98. [PMID: 22017433 DOI: 10.1111/j.1600-065x.2011.01056.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Generating an immune response tailored to destroy an infecting organism while limiting bystander damage involves guiding T-cell activation using a variety of cues taken from the immunogen (antigen type, dose, and persistence, accompanying danger signals) as well as the host (tissue environment, T-cell frequency, and affinity for antigen). Dendritic cells (DCs) serve as translators of much of this information and are critically required for effective pathogen and tumor clearance. Moreover, dysregulation of DC activation can lead to autoimmunity. Inhibition of the lymphotoxin (LT) and CD40 pathways has been shown to be effective at quieting inflammation in settings where DC-T-cell interactions are key instigators of disease progression. In this review, we compare and contrast the CD40 and LT pathways in the context of receptor/ligand expression, signal transduction, and DC biology. We provide evidence that these two pathways play complementary roles in DC cytokine secretion, thus indirectly shaping the nature of the CD8(+) T-cell response to foreign antigen. Given the distinct role of these pathways in the context of DC function, we propose that dual therapies targeted at both the CD40 and LTβ receptor may have therapeutic potential in silencing DC-driven autoimmunity or in promoting tumor clearance.
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42
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Stanley AC, de Labastida Rivera F, Haque A, Sheel M, Zhou Y, Amante FH, Bunn PT, Randall LM, Pfeffer K, Scheu S, Hickey MJ, Saunders BM, Ware C, Hill GR, Tamada K, Kaye PM, Engwerda CR. Critical roles for LIGHT and its receptors in generating T cell-mediated immunity during Leishmania donovani infection. PLoS Pathog 2011; 7:e1002279. [PMID: 21998581 PMCID: PMC3188526 DOI: 10.1371/journal.ppat.1002279] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Accepted: 08/08/2011] [Indexed: 11/18/2022] Open
Abstract
LIGHT (TNFSF14) is a member of the TNF superfamily involved in inflammation and defence against infection. LIGHT signals via two cell-bound receptors; herpes virus entry mediator (HVEM) and lymphotoxin-beta receptor (LTβR). We found that LIGHT is critical for control of hepatic parasite growth in mice with visceral leishmaniasis (VL) caused by infection with the protozoan parasite Leishmania donovani. LIGHT-HVEM signalling is essential for early dendritic cell IL-12/IL-23p40 production, and the generation of IFNγ- and TNF-producing T cells that control hepatic infection. However, we also discovered that LIGHT-LTβR interactions suppress anti-parasitic immunity in the liver in the first 7 days of infection by mechanisms that restrict both CD4+ T cell function and TNF-dependent microbicidal mechanisms. Thus, we have identified distinct roles for LIGHT in infection, and show that manipulation of interactions between LIGHT and its receptors may be used for therapeutic advantage. Visceral leishmaniasis (VL) is a potentially fatal human disease caused by the intracellular protozoan parasites Leishmania donovani and L. infantum (chagasi). Parasites infect macrophages throughout the viscera, though the spleen and liver are the major sites of disease. VL is responsible for significant morbidity and mortality in the developing world, particularly in India, Sudan, Nepal, Bangladesh and Brazil. Because of the intrusive techniques required to analyse tissue in VL patients, our current understanding of the host immune response during VL largely derives from studies performed in genetically susceptible mice. We have discovered that mice which are unable to produce a cytokine called LIGHT have poor control of L. donovani infection in the liver, compared with wild-type control animals. In addition, we demonstrated that LIGHT has distinct roles during VL, depending on which of its two major cell-bound receptors it engages. Finally, we identified an antibody that stimulates the lymphotoxin β receptor (one of the LIGHT receptors), that can stimulate anti-parasitic activity during an established infection, thereby identifying this receptor as a therapeutic target during disease.
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MESH Headings
- Animals
- Antibodies, Monoclonal/pharmacology
- Cell Proliferation/drug effects
- Dendritic Cells/immunology
- Dendritic Cells/metabolism
- Female
- Immunity, Cellular
- Interferon-gamma/immunology
- Interferon-gamma/metabolism
- Interleukin-12/biosynthesis
- Interleukin-23/biosynthesis
- Leishmania donovani/immunology
- Leishmania donovani/pathogenicity
- Leishmaniasis, Visceral/immunology
- Leishmaniasis, Visceral/parasitology
- Leishmaniasis, Visceral/pathology
- Liver/parasitology
- Liver/pathology
- Lymphotoxin beta Receptor/immunology
- Lymphotoxin beta Receptor/metabolism
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Receptors, Tumor Necrosis Factor, Member 14/immunology
- Receptors, Tumor Necrosis Factor, Member 14/metabolism
- Signal Transduction
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Tumor Necrosis Factor Ligand Superfamily Member 14/genetics
- Tumor Necrosis Factor Ligand Superfamily Member 14/metabolism
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Affiliation(s)
- Amanda C. Stanley
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
- Institute for Molecular Biology, University of Queensland, St Lucia, Queensland, Australia
| | - Fabian de Labastida Rivera
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Ashraful Haque
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Meru Sheel
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Yonghong Zhou
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Fiona H. Amante
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Patrick T. Bunn
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Louise M. Randall
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
- Department of Pathobiology, School of Veterinary Sciences, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Klaus Pfeffer
- Institute of Medical Microbiology and Hospital Hygiene, University of Duesseldorf, Duesseldorf, Germany
| | - Stefanie Scheu
- Institute of Medical Microbiology and Hospital Hygiene, University of Duesseldorf, Duesseldorf, Germany
| | - Michael J. Hickey
- Centre for Inflammatory Diseases, Monash University, Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia
| | | | - Carl Ware
- Infectious and Inflammatory Diseases Centre, Sanford|Burnham Medical Research Institute, La Jolla, California, United States of America
| | - Geoff R. Hill
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
| | - Koji Tamada
- Marlene and Stewart Greenebaum Cancer Center, University of Maryland, Baltimore, Maryland, Unites States of America
| | - Paul M. Kaye
- Hull York Medical School, Department of Biology, York University, York, United Kingdom
| | - Christian R. Engwerda
- Queensland Institute of Medical Research and the Australian Centre for Vaccine Development, Herston, Queensland, Australia
- * E-mail:
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43
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Calmon-Hamaty F, Combe B, Hahne M, Morel J. Lymphotoxin α revisited: general features and implications in rheumatoid arthritis. Arthritis Res Ther 2011; 13:232. [PMID: 21861866 PMCID: PMC3239340 DOI: 10.1186/ar3376] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease affecting synovial joints. Therapies blocking tumor necrosis factor-alpha (TNFα) are now routinely used in the management of RA. However, a significant number of patients with RA do not respond or develop resistance to anti-TNF therapies, and the participation of other cytokines in RA pathogenesis has been reported as well. Lymphotoxin alpha (LTα) is the closest homolog to TNFα and has been implicated in inflammation and autoimmunity since its original description in 1968. In spite of that, little is known about the role of LTα in RA or the potential of blocking this cytokine as an alternative therapeutic approach. In this review, we aim to summarize the general features of LTα and what is currently known about its participation in RA.
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Affiliation(s)
- Flavia Calmon-Hamaty
- Institut de Génétique Moléculaire de Montpellier CNRS-UMR 5535, 1919 Route de Mende, 34293 Montpellier, Cedex 5, France
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44
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Abstract
Effective treatment with etanercept results from a congregation of immunological signaling and modulating roles played by tumor necrosis factor-alpha (TNF-alpha), a pervasive member of the TNF super-family of cytokines participating in numerous immunologic and metabolic functions. Macrophages, lymphocytes and other cells produce TNF as part of the deregulated immune response resulting in psoriasis or other chronic inflammatory disorders. Tumor necrosis factor is also produced by macrophages and lymphocytes responding to foreign antigens as a primary response to potential infection. Interference with cytokine signaling by etanercept yields therapeutic response. At the same time, interference with cytokine signaling by etanercept exposes patients to potential adverse events. While the efficacy of etanercept for the treatment of psoriasis is evident, the risks of treatment continue to be defined. Of the potential serious adverse events, response to infection is the best characterized in terms of physiology, incidence, and management. Rare but serious events: activation of latent tuberculosis, multiple sclerosis, lymphoma, and others, have been observed but have questionable or yet to be defined association with therapeutic uses of etanercept. The safe use of etanercept for the treatment of psoriasis requires an appreciation of potential adverse events as well as screening and monitoring strategies designed to manage patient risk
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Affiliation(s)
- Kim A Papp
- University of Western Ontario, and K Papp Clinical Research Waterloo, ON, Canada
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45
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Abstract
Cells of the innate immune system produce cytokines and lipid mediators that strongly influence the outcome of mycobacterial infection. In the case of Mycobacterium tuberculosis, the lung is a critical site for this interaction. Here, we review current information on the role of the major innate cytokine pathways both in controlling initial infection as well as in promoting and maintaining adaptive T-cell responses that mediate host resistance or immunopathology. Understanding this important feature of the host-pathogen interaction can provide major insights into the mechanisms of virulence and can lead to new approaches for immunological intervention in tuberculosis and other mycobacterial diseases.
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Affiliation(s)
| | | | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, NIAID, NIH, Bethesda, MD 20892
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46
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Schaer C, Hiltbrunner S, Ernst B, Mueller C, Kurrer M, Kopf M, Harris NL. HVEM signalling promotes colitis. PLoS One 2011; 6:e18495. [PMID: 21533159 PMCID: PMC3078914 DOI: 10.1371/journal.pone.0018495] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2010] [Accepted: 03/08/2011] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Tumor necrosis factor super family (TNFSF) members regulate important processes involved in cell proliferation, survival and differentiation and are therefore crucial for the balance between homeostasis and inflammatory responses. Several members of the TNFSF are closely associated with inflammatory bowel disease (IBD). Thus, they represent interesting new targets for therapeutic treatment of IBD. METHODOLOGY/PRINCIPAL FINDINGS We have used mice deficient in TNFSF member HVEM in experimental models of IBD to investigate its role in the disease process. Two models of IBD were employed: i) chemical-induced colitis primarily mediated by innate immune cells; and ii) colitis initiated by CD4(+)CD45RB(high) T cells following their transfer into immuno-deficient RAG1(-/-) hosts. In both models of disease the absence of HVEM resulted in a significant reduction in colitis and inflammatory cytokine production. CONCLUSIONS These data show that HVEM stimulatory signals promote experimental colitis driven by innate or adaptive immune cells.
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Affiliation(s)
- Corinne Schaer
- Molecular Biomedicine, Institute of Integrative Biology, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Stefanie Hiltbrunner
- Molecular Biomedicine, Institute of Integrative Biology, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Bettina Ernst
- Molecular Biomedicine, Institute of Integrative Biology, Swiss Federal Institute of Technology, Zurich, Switzerland
| | | | - Michael Kurrer
- Institute of Pathology, Cantonal Hospital Aarau, Aarau, Switzerland
| | - Manfred Kopf
- Molecular Biomedicine, Institute of Integrative Biology, Swiss Federal Institute of Technology, Zurich, Switzerland
| | - Nicola L. Harris
- Swiss Vaccine Research Institute and Global Health Institute, Ecole Polytechnique Fédérale, Lausanne, Switzerland
- * E-mail:
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47
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Garcia I, Olleros ML, Quesniaux VFJ, Jacobs M, Allie N, Nedospasov SA, Szymkowski DE, Ryffel B. Roles of soluble and membrane TNF and related ligands in mycobacterial infections: effects of selective and non-selective TNF inhibitors during infection. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2011; 691:187-201. [PMID: 21153323 DOI: 10.1007/978-1-4419-6612-4_20] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Irene Garcia
- Department of Pathology and Immunology, CMU, University of Geneva, Geneva, Switzerland.
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48
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Solodova E, Jablonska J, Weiss S, Lienenklaus S. Production of IFN-β during Listeria monocytogenes infection is restricted to monocyte/macrophage lineage. PLoS One 2011; 6:e18543. [PMID: 21494554 PMCID: PMC3073975 DOI: 10.1371/journal.pone.0018543] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Accepted: 03/04/2011] [Indexed: 12/19/2022] Open
Abstract
The family of type I interferons (IFN), which consists of several IFN-α and one IFN-β, are produced not only after stimulation by viruses, but also after infection with non-viral pathogens. In the course of bacterial infections, these cytokines could be beneficial or detrimental. IFN-β is the primary member of type I IFN that initiates a cascade of IFN-α production. Here we addressed the question which cells are responsible for IFN-β expression after infection with the intracellular pathogen Listeria monocytogenes by using a genetic approach. By means of newly established reporter mice, maximum of IFN-β expression was observed at 24 hours post infection in spleen and, surprisingly, 48 hours post infection in colonized cervical and inguinal lymph nodes. Colonization of lymph nodes was independent of the type I IFN signaling, as well as bacterial dose and strain. Using cell specific reporter function and conditional deletions we could define cells expressing LysM as the major IFN-β producers, with cells formerly defined as Tip-DCs being the highest. Neutrophilic granulocytes, dendritic cells and plasmacytoid dendritic cells did not significantly contribute to type I IFN production.
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Affiliation(s)
- Evgenia Solodova
- Department of Molecular Biotechnology, Helmholtz Centre for Infection Research, Brunswick, Germany.
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49
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Shui JW, Steinberg MW, Kronenberg M. Regulation of inflammation, autoimmunity, and infection immunity by HVEM-BTLA signaling. J Leukoc Biol 2010; 89:517-23. [PMID: 21106644 DOI: 10.1189/jlb.0910528] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The HVEM, or TNFRSF14, is a membrane-bound receptor known to activate the NF-κB pathway, leading to the induction of proinflammatory and cell survival-promoting genes. HVEM binds several ligands that are capable of mediating costimulatory pathways, predominantly through its interaction with LIGHT (TNFSF14). However, it can also mediate coinhibitory effects, predominantly by interacting with IGSF members, BTLA or CD160. Therefore, it can function like a "molecular switch" for various activating or inhibitory functions. Furthermore, recent studies suggest the existence of bidirectional signaling with HVEM acting as a ligand for signaling through BTLA, which may act as a ligand in other contexts. Bidirectional signaling, together with new information indicating signaling in cis by cells that coexpress HVEM and its ligands, makes signaling within a HVEM-mediated network complicated, although potentially rich in biology. Accumulating in vivo evidence has shown that HVEM-mediated, coinhibitory signaling may be dominant over HVEM-mediated costimulatory signaling. In several disease models the absence of HVEM-BTLA signaling predominantly resulted in severe mucosal inflammation in the gut and lung, autoimmune-like disease, and impaired immunity during bacterial infection. Here, we will summarize the current view about how HVEM-BTLA signaling is involved in the regulation of mucosal inflammation, autoimmunity, and infection immunity.
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Affiliation(s)
- Jr-Wen Shui
- La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, San Diego, CA 92037, USA
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50
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Allie N, Keeton R, Court N, Abel B, Fick L, Vasseur V, Vacher R, Olleros ML, Drutskaya MS, Guler R, Nedospasov SA, Garcia I, Ryffel B, Quesniaux VFJ, Jacobs M. Limited role for lymphotoxin α in the host immune response to Mycobacterium tuberculosis. THE JOURNAL OF IMMUNOLOGY 2010; 185:4292-301. [PMID: 20817877 DOI: 10.4049/jimmunol.1000650] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The contribution of lymphotoxin (LT)α in the host immune response to virulent Mycobacterium tuberculosis and Mycobacterium bovis bacillus Calmette-Guérin infections was investigated. Despite their ability to induce Th1 cytokine, IFN-γ, and IL-12 pulmonary response, "conventional" LTα(-/-) mice succumb rapidly to virulent M. tuberculosis aerosol infection, with uncontrolled bacilli growth, defective granuloma formation, necrosis, and reduced pulmonary inducible NO synthase expression, similar to TNF(-/-) mice. Contributions from developmental lymphoid abnormalities in LTα(-/-) mice were excluded because hematopoietic reconstitution with conventional LTα(-/-) bone marrow conferred enhanced susceptibility to wild-type mice, comparable to conventional LTα(-/-) control mice. However, conventional LTα(-/-) mice produced reduced levels of TNF after M. bovis bacillus Calmette-Guérin infection, and their lack of control of mycobacterial infection could be due to a defective contribution of either LTα or TNF, or both, to the host immune response. To address this point, the response of "neo-free" LTα(-/-) mice with unperturbed intrinsic TNF expression to M. tuberculosis infection was investigated in a direct comparative study with conventional LTα(-/-) mice. Strikingly, although conventional LTα(-/-) mice were highly sensitive, similar to TNF(-/-) mice, neo-free LTα(-/-) mice controlled acute M. tuberculosis infection essentially as wild-type mice. Pulmonary bacterial burden and inflammation was, however, slightly increased in neo-free LTα(-/-) mice 4-5 mo postinfection, but importantly, they did not succumb to infection. Our findings revise the notion that LTα might have a critical role in host defense to acute mycobacterial infection, independent of TNF, but suggest a contribution of LTα in the control of chronic M. tuberculosis infection.
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Affiliation(s)
- Nasiema Allie
- Division of Immunology, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
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