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Monti M, Ferrari G, Grosso V, Missale F, Bugatti M, Cancila V, Zini S, Segala A, La Via L, Consoli F, Orlandi M, Valerio A, Tripodo C, Rossato M, Vermi W. Impaired activation of plasmacytoid dendritic cells via toll-like receptor 7/9 and STING is mediated by melanoma-derived immunosuppressive cytokines and metabolic drift. Front Immunol 2024; 14:1227648. [PMID: 38239354 PMCID: PMC10795195 DOI: 10.3389/fimmu.2023.1227648] [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: 05/23/2023] [Accepted: 12/04/2023] [Indexed: 01/22/2024] Open
Abstract
Introduction Plasmacytoid dendritic cells (pDCs) infiltrate a large set of human cancers. Interferon alpha (IFN-α) produced by pDCs induces growth arrest and apoptosis in tumor cells and modulates innate and adaptive immune cells involved in anti-cancer immunity. Moreover, effector molecules exert tumor cell killing. However, the activation state and clinical relevance of pDCs infiltration in cancer is still largely controversial. In Primary Cutaneous Melanoma (PCM), pDCs density decreases over disease progression and collapses in metastatic melanoma (MM). Moreover, the residual circulating pDC compartment is defective in IFN-α production. Methods The activation of tumor-associated pDCs was evaluated by in silico and microscopic analysis. The expression of human myxovirus resistant protein 1 (MxA), as surrogate of IFN-α production, and proximity ligation assay (PLA) to test dsDNA-cGAS activation were performed on human melanoma biopsies. Moreover, IFN-α and CXCL10 production by in vitro stimulated (i.e. with R848, CpG-A, ADU-S100) pDCs exposed to melanoma cell lines supernatants (SN-mel) was tested by intracellular flow cytometry and ELISA. We also performed a bulk RNA-sequencing on SN-mel-exposed pDCs, resting or stimulated with R848. Glycolytic rate assay was performed on SN-mel-exposed pDCs using the Seahorse XFe24 Extracellular Flux Analyzer. Results Based on a set of microscopic, functional and in silico analyses, we demonstrated that the melanoma milieu directly impairs IFN-α and CXCL10 production by pDCs via TLR-7/9 and cGAS-STING signaling pathways. Melanoma-derived immunosuppressive cytokines and a metabolic drift represent relevant mechanisms enforcing pDC-mediated melanoma escape. Discussion These findings propose a new window of intervention for novel immunotherapy approaches to amplify the antitumor innate immune response in cutaneous melanoma (CM).
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Affiliation(s)
- Matilde Monti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Giorgia Ferrari
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Valentina Grosso
- Department of Biotechnology, University of Verona, Verona, Italy
| | - Francesco Missale
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
- Department of Head & Neck Oncology & Surgery Otorhinolaryngology, Nederlands Kanker Instituut, Amsterdam, Netherlands
| | - Mattia Bugatti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Valeria Cancila
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
| | - Stefania Zini
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Agnese Segala
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luca La Via
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Francesca Consoli
- Oncology Unit, Azienda Socio Sanitaria Territoriale (ASST) Spedali Civili di Brescia, Brescia, Italy
| | - Matteo Orlandi
- Department of Biotechnology, University of Verona, Verona, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Claudio Tripodo
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy
- IFOM ETS, the AIRC Institute of Molecular Oncology, Milan, Italy
| | - Marzia Rossato
- Department of Biotechnology, University of Verona, Verona, Italy
| | - William Vermi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO, United States
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Tang YY, Wang DC, Chen YY, Xu WD, Huang AF. Th1-related transcription factors and cytokines in systemic lupus erythematosus. Front Immunol 2023; 14:1305590. [PMID: 38164134 PMCID: PMC10757975 DOI: 10.3389/fimmu.2023.1305590] [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: 10/02/2023] [Accepted: 11/27/2023] [Indexed: 01/03/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is an inflammatory disorder related to immunity dysfunction. The Th1 cell family including Th1 cells, transcription factor T-bet, and related cytokines IFNγ, TNFα, IL-2, IL-18, TGF-β, and IL-12 have been widely discussed in autoimmunity, such as SLE. In this review, we will comprehensively discuss the expression profile of the Th1 cell family in both SLE patients and animal models and clarify how the family members are involved in lupus development. Interestingly, T-bet-related age-associated B cells (ABCs) and low-dose IL-2 treatment in lupus were emergently discussed as well. Collection of the evidence will better understand the roles of the Th1 cell family in lupus pathogenesis, especially targeting IL-2 in lupus.
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Affiliation(s)
- Yang-Yang Tang
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Da-Cheng Wang
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - You-Yue Chen
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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Silva BSDA, Pereira T, Minuzzi LG, Padilha CS, Figueiredo C, Olean-Oliveira T, dos Santos IVM, von Ah Morano AE, Marchioto Júnior O, Ribeiro JPJ, Dos Santos VR, Seelaender M, Teixeira AA, Dos Santos RVT, Lemos VDA, Freire APCF, Dorneles GP, Marmett B, Olean-Oliveira A, Teixeira MFS, Seraphim PM, Caseiro A, Pinho RA, Islam H, Little JP, Krüger K, Rosa-Neto JC, Coelho-E-Silva MJ, Lira FS. Mild to moderate post-COVID-19 alters markers of lymphocyte activation, exhaustion, and immunometabolic responses that can be partially associated by physical activity level- an observational sub-analysis fit- COVID study. Front Immunol 2023; 14:1212745. [PMID: 37753077 PMCID: PMC10518618 DOI: 10.3389/fimmu.2023.1212745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 08/10/2023] [Indexed: 09/28/2023] Open
Abstract
Aim This study aimed to evaluate if physical activity is associated with systemic and cellular immunometabolic responses, in young adults after mild-to-moderate COVID-19 infection. Methods Mild- to- moderate post-COVID-19 patients (70.50 ± 43.10 days of diagnosis; age: 29.4 (21.9- 34.9) years; BMI: 25.5 ± 4.3 kg m2 n = 20) and healthy age-matched controls (age: 29.3 (21.2 - 32.6) years; BMI: 25.4 ± 4.7 kg m2; n = 20) were evaluated. Physical activity levels (PAL), body composition, dietary habits, muscular and pulmonary function, mental health, sleep quality, metabolic parameters, immune phenotypic characterization, stimulated whole blood and PBMC culture (cytokine production), mRNA, and mitochondrial respiration in PBMCs were evaluated. Results The post-COVID-19 group exhibited lower levels of moderate to vigorous physical activity (MVPA) (p = 0.038); therefore, all study comparisons were performed with adjustment for MVPA. Post-COVID-19 impacted the pulmonary function (FEV1, FEV1%pred, FVC, and FVC %pred) compared with the control (p adjusted by MVPA (p adj) <0.05). Post-COVID-19 exhibited lower levels of serum IL-6 (p adj <0.01), whereas it showed higher serum IL-10, triglyceride, leptin, IgG, ACE activity, TNFRSF1A, and PGE2 (p adj <0.05) levels compared with controls. Post-COVID-19 presented a lower percentage of Treg cells (p adj = 0.03) and altered markers of lymphocyte activation and exhaustion (lower CD28 expression in CD8+ T cells (p adj = 0.014), whereas CD4+T cells showed higher PD1 expression (p adj = 0.037)) compared with the control group. Finally, post- COVID-19 presented an increased LPS-stimulated whole- blood IL-10 concentration (p adj <0.01). When exploring mitochondrial respiration and gene expression in PBMCs, we observed a higher LEAK state value (p adj <0.01), lower OXPHOS activity (complex I) (p adj = 0.04), and expression of the Rev-Erb-α clock mRNA after LPS stimulation in the post-COVID-19 patients than in the control (p adj <0.01). Mainly, PAL was associated with changes in IL-10, triglyceride, and leptin levels in the plasma of post-COVID-19 patients. PAL was also associated with modulation of the peripheral frequency of Treg cells and the expression of PD-1 in CD8+ T cells, although it abrogated the statistical effect in the analysis of TNF-α and IL-6 production by LPS- and PMA-stimulated PBMC of post-COVID-19 patients. Conclusion Young adults after mild-to-moderate SARS-CoV-2 infection appeared to have lower physical activity levels, which can be associated with clinical and immunometabolic responses in a complex manner.
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Affiliation(s)
- Bruna Spolador de Alencar Silva
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Telmo Pereira
- Polytechnic Institute of Coimbra, Coimbra Health School, Coimbra, Portugal
| | - Luciele Guerra Minuzzi
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Camila Souza Padilha
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Caique Figueiredo
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Tiago Olean-Oliveira
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Ivete Vera Medeiros dos Santos
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Ana Elisa von Ah Morano
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Osmar Marchioto Júnior
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - José Procópio Jabur Ribeiro
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Vanessa Ribeiro Dos Santos
- Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Marília Seelaender
- Cancer Metabolism Research Group, LIM26-HC, FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | | | | | | | - Ana Paula Coelho Figueira Freire
- Department of Health Sciences, Central Washington University, Ellensburg, WA, United States
- Physiotherapy Department, Universidade do Oeste Paulista (UNOESTE), Presidente Prudente, Brazil
| | - Gilson Pires Dorneles
- Laboratory of Cellular and Molecular Immunology, Graduate Program in Health Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil
| | - Bruna Marmett
- Laboratory of Cellular and Molecular Immunology, Graduate Program in Health Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil
| | - André Olean-Oliveira
- Department of Chemistry and Biochemistry, School of Science and Technology, Universidade Estadual Paulista (UNESP), Presidente Prudente, SP, Brazil
| | - Marcos F. S. Teixeira
- Department of Chemistry and Biochemistry, School of Science and Technology, Universidade Estadual Paulista (UNESP), Presidente Prudente, SP, Brazil
| | - Patrícia M. Seraphim
- Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
| | - Armando Caseiro
- Polytechnic Institute of Coimbra, Coimbra Health School, Coimbra, Portugal
| | - Ricardo Aurino Pinho
- Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Parana, Curitiba, Brazil
| | - Hashim Islam
- School of Health and Exercise Sciences, University of British Columbia, Kelowna, BC, Canada
| | - Jonathan Peter Little
- School of Health and Exercise Sciences, University of British Columbia, Kelowna, BC, Canada
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
| | - José César Rosa-Neto
- Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Manuel-João Coelho-E-Silva
- Faculty of Sport Sciences and Physical Education, Research Center for Sport and Physical Activity (uid/dtp/04213/2020), Universidade de Coimbra, Coimbra, Portugal
| | - Fábio Santos Lira
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, Brazil
- Faculty of Sport Sciences and Physical Education, Research Center for Sport and Physical Activity (uid/dtp/04213/2020), Universidade de Coimbra, Coimbra, Portugal
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The role of PGE2 and EP receptors on lung's immune and structural cells; possibilities for future asthma therapy. Pharmacol Ther 2023; 241:108313. [PMID: 36427569 DOI: 10.1016/j.pharmthera.2022.108313] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 10/06/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022]
Abstract
Asthma is the most common airway chronic disease with treatments aimed mainly to control the symptoms. Adrenergic receptor agonists, corticosteroids and anti-leukotrienes have been used for decades, and the development of more targeted asthma treatments, known as biological therapies, were only recently established. However, due to the complexity of asthma and the limited efficacy as well as the side effects of available treatments, there is an urgent need for a new generation of asthma therapies. The anti-inflammatory and bronchodilatory effects of prostaglandin E2 in asthma are promising, yet complicated by undesirable side effects, such as cough and airway irritation. In this review, we summarize the most important literature on the role of all four E prostanoid (EP) receptors on the lung's immune and structural cells to further dissect the relevance of EP2/EP4 receptors as potential targets for future asthma therapy.
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Bencze D, Fekete T, Pázmándi K. Correlation between Type I Interferon Associated Factors and COVID-19 Severity. Int J Mol Sci 2022; 23:ijms231810968. [PMID: 36142877 PMCID: PMC9506204 DOI: 10.3390/ijms231810968] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 11/18/2022] Open
Abstract
Antiviral type I interferons (IFN) produced in the early phase of viral infections effectively inhibit viral replication, prevent virus-mediated tissue damages and promote innate and adaptive immune responses that are all essential to the successful elimination of viruses. As professional type I IFN producing cells, plasmacytoid dendritic cells (pDC) have the ability to rapidly produce waste amounts of type I IFNs. Therefore, their low frequency, dysfunction or decreased capacity to produce type I IFNs might increase the risk of severe viral infections. In accordance with that, declined pDC numbers and delayed or inadequate type I IFN responses could be observed in patients with severe coronavirus disease (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), as compared to individuals with mild or no symptoms. Thus, besides chronic diseases, all those conditions, which negatively affect the antiviral IFN responses lengthen the list of risk factors for severe COVID-19. In the current review, we would like to briefly discuss the role and dysregulation of pDC/type I IFN axis in COVID-19, and introduce those type I IFN-dependent factors, which account for an increased risk of COVID-19 severity and thus are responsible for the different magnitude of individual immune responses to SARS-CoV-2.
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Affiliation(s)
- Dóra Bencze
- Department of Immunology, Faculty of Medicine, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary
- Doctoral School of Molecular Cell and Immune Biology, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary
| | - Tünde Fekete
- Department of Immunology, Faculty of Medicine, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary
| | - Kitti Pázmándi
- Department of Immunology, Faculty of Medicine, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary
- Correspondence: ; Tel./Fax: +36-52-417-159
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Najimi M, Michel S, Binda MM, Gellynck K, Belmonte N, Mazza G, Gordillo N, Vainilovich Y, Sokal E. Human Allogeneic Liver-Derived Progenitor Cells Significantly Improve NAFLD Activity Score and Fibrosis in Late-Stage NASH Animal Model. Cells 2022; 11:cells11182854. [PMID: 36139429 PMCID: PMC9497074 DOI: 10.3390/cells11182854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/26/2022] Open
Abstract
Accumulated experimental and clinical evidence supports the development of human allogeneic liver-derived progenitor cells (HALPCs) to treat fibro-inflammatory liver diseases. The aim of the present study was to evaluate their therapeutic effect in a non-alcoholic steatohepatitis (NASH)-STAM mouse model. The immune signaling characteristics of HALPCs were first assessed in vitro. Upon inflammation treatment, HALPCs secreted large amounts of potent bioactive prostaglandin E2 and indoleamine 2,3-dioxygenase, which significantly reduced CD4+ T-lymphocyte proliferation and secretion of proinflammatory cytokines. In vivo, HALPCs were intravenously administered as single or triple shots (of a dose of 12.5 × 106 cells/kg BW) in STAM mice. Transplantation of HALPCs was associated with a significant decrease in the NAFLD activity score at an early stage and in both inflammation and hepatocyte ballooning scores in late-stage NASH. Sirius red staining analyses revealed decreased collagen deposition in the pericentral region at both stages of NASH. Altogether, these findings showed the anti-inflammatory and anti-fibrotic features of HALPCs in an in vivo NASH model, which suggests their potential to reverse the progression of this chronic fibro-inflammatory disease.
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Affiliation(s)
- Mustapha Najimi
- Cellaïon, 1435 Mont-Saint-Guibert, Belgium
- UCLouvain, Laboratory of Pediatric Hepatology and Cell Therapy (PEDI), Institute of Experimental and Clinical Research (IREC), 1200 Brussels, Belgium
- Correspondence: (M.N.); (E.S.); Tel.: +32-10-39-43-00 (M.N.)
| | | | | | | | | | | | | | | | - Etienne Sokal
- Cellaïon, 1435 Mont-Saint-Guibert, Belgium
- UCLouvain, Laboratory of Pediatric Hepatology and Cell Therapy (PEDI), Institute of Experimental and Clinical Research (IREC), 1200 Brussels, Belgium
- Correspondence: (M.N.); (E.S.); Tel.: +32-10-39-43-00 (M.N.)
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Wang Z, Wei X, Ji C, Yu W, Song C, Wang C. PGE2 inhibits neutrophil phagocytosis through the EP2R–cAMP–PTEN pathway. Immun Inflamm Dis 2022; 10:e662. [PMID: 35759236 PMCID: PMC9186335 DOI: 10.1002/iid3.662] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/29/2022] [Accepted: 05/18/2022] [Indexed: 11/25/2022] Open
Abstract
Prostaglandin E2 (PGE2) is a potent lipid mediator of inflammation that modulates immune cell function by binding to unique G protein‐coupled receptors (EP receptors). PGE2 production increases during microbial infection and inflammation. In this study, we assessed the effect of PGE2 on the phagocytosis of bacteria by neutrophils, which are key players during infection and inflammation. We also looked for specific EP receptor signaling pathways that contributed to the neutrophil phagocytic activity. PGE2 (50–1000 ng/ml) inhibited the phagocytosis of Escherichia coli by HL‐60 human neutrophils in a concentration‐dependent manner. Inhibition of neutrophil phagocytosis by PGE2 correlated with increased intracellular cyclic adenosine monophosphate (cAMP) production, and forskolin, an adenosyl cyclase agonist, confirmed the inhibitory effect of cAMP stimulation on neutrophil phagocytosis. The expression of EP2 receptors by HL‐60 cells was confirmed by western blot analysis, and selective agonism of EP2 receptors mimicked the inhibition of phagocytosis by PGE2. The EP2 receptor antagonist AH‐6089 partially blocked the inhibition of neutrophil phagocytosis PGE2. Specific inhibition of phosphatase and tensin homolog (PTEN) enzyme attenuated the inhibition of neutrophil phagocytosis by PGE2, and both PGE2 and increased intracellular cAMP increased neutrophil PTEN activity, which was associated with decreased PTEN phosphorylation. The results support negative regulation of the antimicrobial activity of neutrophils (i.e., phagocytosis), which has important implications for the future management of bacterial infections.
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Affiliation(s)
- Zixuan Wang
- Department of Immunology, School of Laboratory Medicine Bengbu Medical College Bengbu Anhui P.R. China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical College Bengbu Anhui P.R. China
| | - Xinyuan Wei
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical College Bengbu Anhui P.R. China
- Department of Obstetrics and Gynecology the First Affiliated Hospital of Bengbu Medical College Bengbu Anhui P.R. China
| | - Caili Ji
- Department of Immunology, School of Laboratory Medicine Bengbu Medical College Bengbu Anhui P.R. China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical College Bengbu Anhui P.R. China
| | - Wenhua Yu
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical College Bengbu Anhui P.R. China
- Department of Obstetrics and Gynecology the First Affiliated Hospital of Bengbu Medical College Bengbu Anhui P.R. China
| | - Chuanwang Song
- Department of Immunology, School of Laboratory Medicine Bengbu Medical College Bengbu Anhui P.R. China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical College Bengbu Anhui P.R. China
| | - Caizhi Wang
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Bengbu Medical College Bengbu Anhui P.R. China
- Department of Obstetrics and Gynecology the First Affiliated Hospital of Bengbu Medical College Bengbu Anhui P.R. China
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R T Romão P, Teixeira PC, Schipper L, da Silva I, Santana Filho P, Carlos Rodrigues Júnior L, Peres A, Gonçalves da Fonseca S, Chagas Monteiro M, Lira FS, Andrey Cipriani Frade M, Comerlato J, Baldisserotto Comerlato C, Hayashi Sant'Anna F, Bessel M, Monteiro Abreu C, Wendland EM, Dorneles GP. Viral load is associated with mitochondrial dysfunction and altered monocyte phenotype in acute severe SARS-CoV-2 infection. Int Immunopharmacol 2022; 108:108697. [PMID: 35405594 PMCID: PMC8920784 DOI: 10.1016/j.intimp.2022.108697] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/21/2022] [Accepted: 03/10/2022] [Indexed: 02/07/2023]
Abstract
Monocytes play a major role in the initial innate immune response to SARS-CoV-2. Although viral load may correlate with several clinical outcomes in COVID-19, much less is known regarding their impact on innate immune phenotype. We evaluated the monocyte phenotype and mitochondrial function in severe COVID-19 patients (n = 22) with different viral burden (determined by the median of viral load of the patients) at hospital admission. Severe COVID-19 patients presented lower frequency of CD14 + CD16- classical monocytes and CD39 expression on CD14 + monocytes, and higher frequency of CD14 + CD16 + intermediate and CD14-CD16 + nonclassical monocytes as compared to healthy controls independently of viral load. COVID-19 patients with high viral load exhibited increased GM-CSF, PGE-2 and lower IFN-α as compared to severe COVID-19 patients with low viral load (p < 0.05). CD14 + monocytes of COVID-19 patients with high viral load presented higher expression of PD-1 but lower HLA-DR on the cell surface than severe COVID-19 patients with low viral load. All COVID-19 patients presented decreased monocyte mitochondria membrane polarization, but high SARS-CoV-2 viral load was associated with increased mitochondrial reactive oxygen species. In this sense, higher viral load induces mitochondrial reactive oxygen species generation associated with exhaustion profile in CD14 + monocytes of severe COVID-19 patients. Altogether, these data shed light on new pathological mechanisms involving SARS-CoV-2 viral load on monocyte activation and mitochondrial function, which were associated with COVID-19 severity.
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Aslani M, Mortazavi-Jahromi SS, Mirshafiey A. Cytokine storm in the pathophysiology of COVID-19: Possible functional disturbances of miRNAs. Int Immunopharmacol 2021; 101:108172. [PMID: 34601331 PMCID: PMC8452524 DOI: 10.1016/j.intimp.2021.108172] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 02/07/2023]
Abstract
SARS-CoV-2, as the causative agent of COVID-19, is an enveloped positives-sense single-stranded RNA virus that belongs to the Beta-CoVs sub-family. A sophisticated hyper-inflammatory reaction named cytokine storm is occurred in patients with severe/critical COVID-19, following an imbalance in immune-inflammatory processes and inhibition of antiviral responses by SARS-CoV-2, which leads to pulmonary failure, ARDS, and death. The miRNAs are small non-coding RNAs with an average length of 22 nucleotides which play various roles as one of the main modulators of genes expression and maintenance of immune system homeostasis. Recent evidence has shown that Homo sapiens (hsa)-miRNAs have the potential to work in three pivotal areas including targeting the virus genome, regulating the inflammatory signaling pathways, and reinforcing the production/signaling of IFNs-I. However, it seems that several SARS-CoV-2-induced interfering agents such as viral (v)-miRNAs, cytokine content, competing endogenous RNAs (ceRNAs), etc. preclude efficient function of hsa-miRNAs in severe/critical COVID-19. This subsequently leads to increased virus replication, intense inflammatory processes, and secondary complications development. In this review article, we provide an overview of hsa-miRNAs roles in viral genome targeting, inflammatory pathways modulation, and IFNs responses amplification in severe/critical COVID-19 accompanied by probable interventional factors and their function. Identification and monitoring of these interventional elements can help us in designing the miRNAs-based therapy for the reduction of complications/mortality rate in patients with severe/critical forms of the disease.
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Affiliation(s)
- Mona Aslani
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Abbas Mirshafiey
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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An Y, Yao J, Niu X. The Signaling Pathway of PGE 2 and Its Regulatory Role in T Cell Differentiation. Mediators Inflamm 2021; 2021:9087816. [PMID: 34867083 PMCID: PMC8641993 DOI: 10.1155/2021/9087816] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 11/14/2021] [Accepted: 11/15/2021] [Indexed: 02/01/2023] Open
Abstract
Prostaglandin E2 (PGE2) is a lipid mediator derived from the fatty acid arachidonic acid. As an essential inflammatory factor, PGE2 has a critical impact on immune regulation through the prostanoid E (EP) receptor pathway. T cells, including CD4+ and CD8+ T cell subsets, play crucial roles in the adaptive immune response. Previous studies have shown that PGE2 is involved in regulating CD4+ T cell differentiation and inflammatory cytokine production via the EP receptor pathway, thereby affecting the development of diseases mediated by CD4+ T cells. In this review, we summarize the signaling pathway of PGE2 and describe the relationship between PGE2 and T cell differentiation. Hence, this review may provide important evidence for immune therapies and may even promote the development of biomedicines.
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Affiliation(s)
- Yang An
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Immunology, 280 South Chongqing Road, Shanghai 200025, China
| | - Jiameng Yao
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Immunology, 280 South Chongqing Road, Shanghai 200025, China
- Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 Xianxia Road, Shanghai 200336, China
| | - Xiaoyin Niu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Immunology, 280 South Chongqing Road, Shanghai 200025, China
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11
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Zurmühl N, Schmitt A, Formentini U, Weiss J, Appel H, Debatin KM, Fabricius D. Differential uptake of three clinically relevant allergens by human plasmacytoid dendritic cells. Clin Mol Allergy 2021; 19:23. [PMID: 34789269 PMCID: PMC8597288 DOI: 10.1186/s12948-021-00163-8] [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: 08/30/2021] [Accepted: 11/10/2021] [Indexed: 11/20/2022] Open
Abstract
Background Human plasmacytoid dendritic cells (pDC) have a dual role as interferon-producing and antigen-presenting cells. Their relevance for allergic diseases is controversial. and the impact of pDC on allergic immune responses is poorly understood. Methods This in vitro study on human pDC isolated from peripheral blood was designed to compare side by side the uptake of three clinically relevant representative allergens: fluorochrome-labeled house dust mite Der p 1, Bee venom extract from Apis mellifera (Api) and the food allergen OVA analyzed flow cytometry and confocal microscopy. Results We found that the internalization and its regulation by TLR9 ligation was significantly different between allergens in terms of time course and strength of uptake. Api and OVA uptake in pDC of healthy subjects was faster and reached higher levels than Der p 1 uptake. CpG ODN 2006 suppressed OVA uptake and to a lesser extent Der p 1, while Api internalization was not affected. All allergens colocalized with LAMP1 and EEA1, with Api being internalized particularly fast and reaching highest intracellular levels in pDC. Of note, we could not determine any specific differences in antigen uptake in allergic compared with healthy subjects. Conclusions To our knowledge this is the first study that directly compares uptake regulation of clinically relevant inhalative, injective and food allergens in pDC. Our findings may help to explain differences in the onset and severity of allergic reactions as well as in the efficiency of AIT. Supplementary Information The online version contains supplementary material available at 10.1186/s12948-021-00163-8.
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Affiliation(s)
- Noelle Zurmühl
- Department of Pediatrics, University Medical Center Ulm, Eythstr. 24, 89075, Ulm, Germany
| | - Anna Schmitt
- Department of Pediatrics, University Medical Center Ulm, Eythstr. 24, 89075, Ulm, Germany
| | - Ulrike Formentini
- Department of Pediatrics, University Medical Center Ulm, Eythstr. 24, 89075, Ulm, Germany
| | - Johannes Weiss
- Department of Dermatology and Allergic Diseases, University Medical Center Ulm, Ulm, Germany
| | - Heike Appel
- Department of Otolaryngology, Ulm University, Ulm, Germany
| | - Klaus-Michael Debatin
- Department of Pediatrics, University Medical Center Ulm, Eythstr. 24, 89075, Ulm, Germany
| | - Dorit Fabricius
- Department of Pediatrics, University Medical Center Ulm, Eythstr. 24, 89075, Ulm, Germany.
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12
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Mutua V, Gershwin LJ. A Review of Neutrophil Extracellular Traps (NETs) in Disease: Potential Anti-NETs Therapeutics. Clin Rev Allergy Immunol 2021; 61:194-211. [PMID: 32740860 PMCID: PMC7395212 DOI: 10.1007/s12016-020-08804-7] [Citation(s) in RCA: 247] [Impact Index Per Article: 82.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Activated neutrophils release neutrophil extracellular traps (NETs) in response to a variety of stimuli. NETosis is driven by protein-arginine deiminase type 4, with the release of intracellular granule components that function by capturing and destroying microbes, including viral, fungal, bacterial, and protozoal pathogens. The positive effects of pathogen control are countered by pro-inflammatory effects as demonstrated in a variety of diseases. Components of NETS are non-specific, and other than controlling microbes, they cause injury to surrounding tissue by themselves or by increasing the pro-inflammatory response. NETs can play a role in enhancement of the inflammation seen in autoimmune diseases including psoriasis, rheumatoid arthritis, and systemic lupus erythematosis. In addition, autoinflammatory diseases such as gout have been associated with NETosis. Inhibition of NETs may decrease the severity of many diseases improving survival. Herein, we describe NETosis in different diseases focusing on the detrimental effect of NETs and outline possible therapeutics that can be used to mitigate netosis. There is a need for more studies and clinical trials on these and other compounds that could prevent or destroy NETs, thereby decreasing damage to patients.
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Affiliation(s)
- Victoria Mutua
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, CA, USA.
| | - Laurel J Gershwin
- Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California Davis, 1 Shields Ave, Davis, CA, USA
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13
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Brox R, Hackstein H. Physiologically relevant aspirin concentrations trigger immunostimulatory cytokine production by human leukocytes. PLoS One 2021; 16:e0254606. [PMID: 34428217 PMCID: PMC8384208 DOI: 10.1371/journal.pone.0254606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 06/29/2021] [Indexed: 01/04/2023] Open
Abstract
Acetylsalicylic acid is a globally used non-steroidal anti-inflammatory drug (NSAID) with diverse pharmacological properties, although its mechanism of immune regulation during inflammation (especially at in vivo relevant doses) remains largely speculative. Given the increase in clinical perspective of Acetylsalicylic acid in various diseases and cancer prevention, this study aimed to investigate the immunomodulatory role of physiological Acetylsalicylic acid concentrations (0.005, 0.02 and 0.2 mg/ml) in a human whole blood of infection-induced inflammation. We describe a simple, highly reliable whole blood assay using an array of toll-like receptor (TLR) ligands 1–9 in order to systematically explore the immunomodulatory activity of Acetylsalicylic acid plasma concentrations in physiologically relevant conditions. Release of inflammatory cytokines and production of prostaglandin E2 (PGE2) were determined directly in plasma supernatant. Experiments demonstrate for the first time that plasma concentrations of Acetylsalicylic acid significantly increased TLR ligand-triggered IL-1β, IL-10, and IL-6 production in a dose-dependent manner. In contrast, indomethacin did not exhibit this capacity, whereas cyclooxygenase (COX)-2 selective NSAID, celecoxib, induced a similar pattern like Acetylsalicylic acid, suggesting a possible relevance of COX-2. Accordingly, we found that exogenous addition of COX downstream product, PGE2, attenuates the TLR ligand-mediated cytokine secretion by augmenting production of anti-inflammatory cytokines and inhibiting release of pro-inflammatory cytokines. Low PGE2 levels were at least involved in the enhanced IL-1β production by Acetylsalicylic acid.
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Affiliation(s)
- Regine Brox
- Department of Transfusion Medicine and Hemostaseology, University Hospital, Erlangen, Germany
- * E-mail:
| | - Holger Hackstein
- Department of Transfusion Medicine and Hemostaseology, University Hospital, Erlangen, Germany
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14
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Haynes WA, Kamath K, Waitz R, Daugherty PS, Shon JC. Protein-Based Immunome Wide Association Studies (PIWAS) for the Discovery of Significant Disease-Associated Antigens. Front Immunol 2021; 12:625311. [PMID: 33986742 PMCID: PMC8110919 DOI: 10.3389/fimmu.2021.625311] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 04/07/2021] [Indexed: 12/17/2022] Open
Abstract
Identification of the antigens associated with antibodies is vital to understanding immune responses in the context of infection, autoimmunity, and cancer. Discovering antigens at a proteome scale could enable broader identification of antigens that are responsible for generating an immune response or driving a disease state. Although targeted tests for known antigens can be straightforward, discovering antigens at a proteome scale using protein and peptide arrays is time consuming and expensive. We leverage Serum Epitope Repertoire Analysis (SERA), an assay based on a random bacterial display peptide library coupled with next generation sequencing (NGS), to power the development of Protein-based Immunome Wide Association Study (PIWAS). PIWAS uses proteome-based signals to discover candidate antibody-antigen epitopes that are significantly elevated in a subset of cases compared to controls. After demonstrating statistical power relative to the magnitude and prevalence of effect in synthetic data, we apply PIWAS to systemic lupus erythematosus (SLE, n=31) and observe known autoantigens, Smith and Ribosomal protein P, within the 22 highest scoring candidate protein antigens across the entire human proteome. We validate the magnitude and location of the SLE specific signal against the Smith family of proteins using a cohort of patients who are positive by predicate anti-Sm tests. To test the generalizability of the method in an additional autoimmune disease, we identified and validated autoantigenic signals to SSB, CENPA, and keratin proteins in a cohort of individuals with Sjogren’s syndrome (n=91). Collectively, these results suggest that PIWAS provides a powerful new tool to discover disease-associated serological antigens within any known proteome.
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Affiliation(s)
| | - Kathy Kamath
- Serimmune, Inc., Santa Barbara, CA, United States
| | | | | | - John C Shon
- Serimmune, Inc., Santa Barbara, CA, United States
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15
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Bencze D, Fekete T, Pázmándi K. Type I Interferon Production of Plasmacytoid Dendritic Cells under Control. Int J Mol Sci 2021; 22:ijms22084190. [PMID: 33919546 PMCID: PMC8072550 DOI: 10.3390/ijms22084190] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/11/2021] [Accepted: 04/12/2021] [Indexed: 12/11/2022] Open
Abstract
One of the most powerful and multifaceted cytokines produced by immune cells are type I interferons (IFNs), the basal secretion of which contributes to the maintenance of immune homeostasis, while their activation-induced production is essential to effective immune responses. Although, each cell is capable of producing type I IFNs, plasmacytoid dendritic cells (pDCs) possess a unique ability to rapidly produce large amounts of them. Importantly, type I IFNs have a prominent role in the pathomechanism of various pDC-associated diseases. Deficiency in type I IFN production increases the risk of more severe viral infections and the development of certain allergic reactions, and supports tumor resistance; nevertheless, its overproduction promotes autoimmune reactions. Therefore, the tight regulation of type I IFN responses of pDCs is essential to maintain an adequate level of immune response without causing adverse effects. Here, our goal was to summarize those endogenous factors that can influence the type I IFN responses of pDCs, and thus might serve as possible therapeutic targets in pDC-associated diseases. Furthermore, we briefly discuss the current therapeutic approaches targeting the pDC-type I IFN axis in viral infections, cancer, autoimmunity, and allergy, together with their limitations defined by the Janus-faced nature of pDC-derived type I IFNs.
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Affiliation(s)
- Dóra Bencze
- Department of Immunology, Faculty of Medicine, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary; (D.B.); (T.F.)
- Doctoral School of Molecular Cell and Immune Biology, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary
| | - Tünde Fekete
- Department of Immunology, Faculty of Medicine, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary; (D.B.); (T.F.)
| | - Kitti Pázmándi
- Department of Immunology, Faculty of Medicine, University of Debrecen, 1 Egyetem Square, H-4032 Debrecen, Hungary; (D.B.); (T.F.)
- Correspondence: ; Tel./Fax: +36-52-417-159
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16
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Yan Q, Li P, Ye X, Huang X, Feng B, Ji T, Chen Z, Li F, Zhang Y, Luo K, Chen F, Mo X, Wang J, Feng L, Hu F, Lei C, Qu L, Chen L. Longitudinal Peripheral Blood Transcriptional Analysis Reveals Molecular Signatures of Disease Progression in COVID-19 Patients. THE JOURNAL OF IMMUNOLOGY 2021; 206:2146-2159. [PMID: 33846224 DOI: 10.4049/jimmunol.2001325] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 02/21/2021] [Indexed: 01/08/2023]
Abstract
Coronavirus disease 2019 (COVID-19) is caused by a novel coronavirus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), with some patients developing severe illness or even death. Disease severity has been associated with increased levels of proinflammatory cytokines and lymphopenia. To elucidate the atlas of peripheral immune response and pathways that might lead to immunopathology during COVID-19 disease course, we performed a peripheral blood RNA sequencing analysis of the same patient's samples collected from symptom onset to full recovery. We found that PBMCs at different disease stages exhibited unique transcriptome characteristics. We observed that SARS-CoV-2 infection caused excessive release of inflammatory cytokines and lipid mediators as well as an aberrant increase of low-density neutrophils. Further analysis revealed an increased expression of RNA sensors and robust IFN-stimulated genes expression but a repressed type I IFN production. SARS-CoV-2 infection activated T and B cell responses during the early onset but resulted in transient adaptive immunosuppression during severe disease state. Activation of apoptotic pathways and functional exhaustion may contribute to the reduction of lymphocytes and dysfunction of adaptive immunity, whereas increase in IL2, IL7, and IL15 may facilitate the recovery of the number and function of lymphocytes. Our study provides comprehensive transcriptional signatures of peripheral blood response in patients with moderate COVID-19.
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Affiliation(s)
- Qihong Yan
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Pingchao Li
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Xianmiao Ye
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Xiaohan Huang
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Bo Feng
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Tianxing Ji
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Zhilong Chen
- Xiamen Institutes of Respiratory Health, Xiamen, China
| | - Feng Li
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Yudi Zhang
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Kun Luo
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Fengjuan Chen
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Xiaoneng Mo
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Jianhua Wang
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Liqiang Feng
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Fengyu Hu
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Chunliang Lei
- Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
| | - Linbing Qu
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China;
| | - Ling Chen
- State Key Laboratory of Respiratory Disease, Guangdong Laboratory of Computational Biomedicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China; .,Guangzhou Institute of Infectious Disease, Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China; and
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17
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Robb CT, Goepp M, Rossi AG, Yao C. Non-steroidal anti-inflammatory drugs, prostaglandins, and COVID-19. Br J Pharmacol 2020; 177:4899-4920. [PMID: 32700336 PMCID: PMC7405053 DOI: 10.1111/bph.15206] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/09/2020] [Accepted: 07/13/2020] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the cause of the novel coronavirus disease 2019 (COVID-19), a highly pathogenic and sometimes fatal respiratory disease responsible for the current 2020 global pandemic. Presently, there remains no effective vaccine or efficient treatment strategies against COVID-19. Non-steroidal anti-inflammatory drugs (NSAIDs) are medicines very widely used to alleviate fever, pain, and inflammation (common symptoms of COVID-19 patients) through effectively blocking production of prostaglandins (PGs) via inhibition of cyclooxyganase enzymes. PGs can exert either proinflammatory or anti-inflammatory effects depending on the inflammatory scenario. In this review, we survey the potential roles that NSAIDs and PGs may play during SARS-CoV-2 infection and the development and progression of COVID-19. LINKED ARTICLES: This article is part of a themed issue on The Pharmacology of COVID-19. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.21/issuetoc.
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Affiliation(s)
- Calum T. Robb
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Marie Goepp
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Adriano G. Rossi
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Chengcan Yao
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
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18
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Picado C, Roca-Ferrer J. Role of the Cyclooxygenase Pathway in the Association of Obstructive Sleep Apnea and Cancer. J Clin Med 2020; 9:jcm9103237. [PMID: 33050416 PMCID: PMC7601393 DOI: 10.3390/jcm9103237] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 11/16/2022] Open
Abstract
The objective of this review is to examine the findings that link obstructive sleep apnea (OSA) with cancer and the role played by the cyclooxygenase (COX) pathway in this association. Epidemiological studies in humans suggest a link between OSA and increased cancer incidence and mortality. Studies carried out in animal models have shown that intermittent hypoxia (IH) induces changes in several signaling pathways involved in the regulation of host immunological surveillance that results in tumor establishment and invasion. IH induces the expression of cyclooxygenase 2 (COX-2) that results in an increased synthesis of prostaglandin E2 (PGE2). PGE2 modulates the function of multiple cells involved in immune responses including T lymphocytes, NK cells, dendritic cells, macrophages, and myeloid-derived suppressor cells. In a mouse model blockage of COX-2/PGE2 abrogated the pro-oncogenic effects of IH. Despite the fact that aspirin inhibits PGE2 production and prevents the development of cancer, none of the epidemiological studies that investigated the association of OSA and cancer included aspirin use in the analysis. Studies are needed to investigate the regulation of the COX-2/PGE2 pathway and PGE2 production in patients with OSA, to better define the role of this axis in the physiopathology of OSA and the potential role of aspirin in preventing the development of cancer.
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Affiliation(s)
- César Picado
- Hospital Clinic, Department of Medicine, Universitat de Barcelona, 08036 Barcelona, Spain
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto Carlos III, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-67-947-3675; Fax: +34-93-227-2634
| | - Jordi Roca-Ferrer
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto Carlos III, 28029 Madrid, Spain
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19
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Adachi T, Yasuda K, Muto T, Serada S, Yoshimoto T, Ishii KJ, Kuroda E, Araki K, Ohmuraya M, Naka T, Nakanishi K. Lung fibroblasts produce IL-33 in response to stimulation with retinoblastoma-binding protein 9 via production of prostaglandin E2. Int Immunol 2020; 32:637-652. [PMID: 32484881 DOI: 10.1093/intimm/dxaa031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 05/15/2020] [Indexed: 11/13/2022] Open
Abstract
Intestinal nematode infection induces pulmonary eosinophilia via IL-33, although the mechanism of pulmonary IL-33 induction remains unclear. Because nematode migration damages lungs, we speculated that lung-derived damage-associated molecular patterns (DAMPs) possess an IL-33-inducing activity (IL33ia). Indeed, intra-nasal administration of a lung extract induced IL-33 production in lungs. Additionally, lung extracts increased Il33 mRNA expression in primary lung fibroblasts. Proteomic analysis identified retinoblastoma-binding protein 9 (RBBP9) as a major DAMP with IL33ia. RBBP9 was originally discovered as a protein that provides cells with resistance to the growth inhibitory effect of transforming growth factor (TGF)-β1. Here, we found that stimulation by RBBP9 induced primary fibroblasts to produce prostaglandin E2 (PGE2) that, in turn, induced fibroblasts to produce IL-33. RBBP9-activated fibroblasts expressed mRNAs of cyclooxygenase-2 (COX-2) and PGE2 synthase-1 that convert arachidonic acid to PGE2. Furthermore, they expressed PGE2 receptors E-prostanoid (EP) 2 and EP4. Thus, treatment with a COX-2 inhibitor or EP2 and/or EP4 receptor antagonists inhibited RBBP9-induced IL-33 production. Nematode infection induced pulmonary Il33 mRNA expression, which was inhibited by the COX-2 inhibitor or EP2 and EP4 antagonists, suggesting that nematode infection induced pulmonary Il33 mRNA via PGE2. RBBP9 was expressed constitutively in the lung in the steady state, which did not increase after nematode infection. Finally, we found that Rbbp9-deficient mice had a significantly diminished capacity to increase pulmonary Il33 mRNA expression following nematode infection. Thus, the PGE2-EP2/EP4 pathway activated by RBBP9 released from damaged lungs is important for pulmonary IL-33 production in nematode-infected animals.
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Affiliation(s)
- Takumi Adachi
- Department of Immunology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
| | - Koubun Yasuda
- Department of Immunology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
| | - Taichiro Muto
- Department of Immunology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan.,Department of Pediatrics, Aichi Medical University, Nagakute, Aichi, Japan
| | - Satoshi Serada
- Laboratory of Immune Signal, National Institutes of Biomedical Innovation, Health and Nutrition, Ibaraki, Osaka, Japan.,Center for Intractable Immune Disease, Kochi Medical School, Kochi University, Nankoku, Kochi, Japan
| | - Tomohiro Yoshimoto
- Department of Immunology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
| | - Ken J Ishii
- Division of Vaccine Science, Department of Microbiology and Immunology, The Institute of Medical Science, University of Tokyo, Tokyo, Japan
| | - Etsushi Kuroda
- Department of Immunology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
| | - Kimi Araki
- Institute of Resource Development and Analysis, Kumamoto University, Kumamoto, Kumamoto, Japan
| | - Masaki Ohmuraya
- Department of Genetics, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
| | - Tetsuji Naka
- Laboratory of Immune Signal, National Institutes of Biomedical Innovation, Health and Nutrition, Ibaraki, Osaka, Japan.,Center for Intractable Immune Disease, Kochi Medical School, Kochi University, Nankoku, Kochi, Japan
| | - Kenji Nakanishi
- Department of Immunology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
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20
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Monti M, Consoli F, Vescovi R, Bugatti M, Vermi W. Human Plasmacytoid Dendritic Cells and Cutaneous Melanoma. Cells 2020; 9:E417. [PMID: 32054102 PMCID: PMC7072514 DOI: 10.3390/cells9020417] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 02/05/2020] [Accepted: 02/07/2020] [Indexed: 12/12/2022] Open
Abstract
The prognosis of metastatic melanoma (MM) patients has remained poor for a long time. However, the recent introduction of effective target therapies (BRAF and MEK inhibitors for BRAFV600-mutated MM) and immunotherapies (anti-CTLA-4 and anti-PD-1) has significantly improved the survival of MM patients. Notably, all these responses are highly dependent on the fitness of the host immune system, including the innate compartment. Among immune cells involved in cancer immunity, properly activated plasmacytoid dendritic cells (pDCs) exert an important role, bridging the innate and adaptive immune responses and directly eliminating cancer cells. A distinctive feature of pDCs is the production of high amount of type I Interferon (I-IFN), through the Toll-like receptor (TLR) 7 and 9 signaling pathway activation. However, published data indicate that melanoma-associated escape mechanisms are in place to hijack pDC functions. We have recently reported that pDC recruitment is recurrent in the early phases of melanoma, but the entire pDC compartment collapses over melanoma progression. Here, we summarize recent advances on pDC biology and function within the context of melanoma immunity.
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Affiliation(s)
- Matilde Monti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (M.M.); (R.V.); (M.B.)
| | - Francesca Consoli
- Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, Medical Oncology, University of Brescia at ASST-Spedali Civili, 25123 Brescia, Italy;
| | - Raffaella Vescovi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (M.M.); (R.V.); (M.B.)
| | - Mattia Bugatti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (M.M.); (R.V.); (M.B.)
| | - William Vermi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (M.M.); (R.V.); (M.B.)
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
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21
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Miki H, Tahara-Hanaoka S, Almeida MS, Hitomi K, Shibagaki S, Kanemaru K, Lin YH, Iwata K, Miyake S, Shibayama S, Sumida T, Shibuya K, Shibuya A. Allergin-1 Immunoreceptor Suppresses House Dust Mite-Induced Allergic Airway Inflammation. THE JOURNAL OF IMMUNOLOGY 2020; 204:753-762. [PMID: 31900344 DOI: 10.4049/jimmunol.1900180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 12/02/2019] [Indexed: 01/04/2023]
Abstract
House dust mite (HDM) allergens are leading causes of allergic asthma characterized by Th2 responses. The lung-resident CD11b+ dendritic cells (DCs) play a key role in Th2 cell development in HDM-induced allergic asthma. However, the regulatory mechanism of HDM-induced CD11b+ DC activation remains incompletely understood. In this study, we demonstrate that mice deficient in an inhibitory immunoreceptor, Allergin-1, showed exacerbated HDM-induced airway eosinophilia and serum IgE elevation. By using bone marrow-chimeric mice that were sensitized with adoptively transferred HDM-stimulated wild-type or Allergin-1-deficient CD11b+ bone marrow-derived cultured DCs (BMDCs), followed by challenge with HDM, we show that Allergin-1 on the BMDCs suppressed HDM-induced allergic airway inflammation. We also show that Allergin-1 suppressed HDM-induced PGE2 production from CD11b+ BMDCs by inhibiting Syk tyrosine kinase activation through recruitment of SHP-1, subsequently leading to negative regulation of Th2 responses. These results suggest that Allergin-1 plays an important role in regulation of HDM-induced allergic airway inflammation.
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Affiliation(s)
- Haruka Miki
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan.,Department of Internal Medicine, Faculty of Medicine, Tsukuba Advanced Research Alliance, R&D Center for Innovative Drug Discovery, Tsukuba, Ibaraki 305-8575, Japan
| | - Satoko Tahara-Hanaoka
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; .,Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, R&D Center for Innovative Drug Discovery, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Mariana Silva Almeida
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Kaori Hitomi
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Shohei Shibagaki
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Kazumasa Kanemaru
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Yu-Hsien Lin
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan.,Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; and
| | - Kanako Iwata
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Shota Miyake
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Shiro Shibayama
- Research Center of Immunology, Tsukuba Institute, Ono Pharmaceutical Co., Ltd., Tsukuba, Ibaraki 300-4247, Japan
| | - Takayuki Sumida
- Department of Internal Medicine, Faculty of Medicine, Tsukuba Advanced Research Alliance, R&D Center for Innovative Drug Discovery, Tsukuba, Ibaraki 305-8575, Japan
| | - Kazuko Shibuya
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan.,Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, R&D Center for Innovative Drug Discovery, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
| | - Akira Shibuya
- Department of Immunology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan; .,Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, R&D Center for Innovative Drug Discovery, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
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22
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Li L, Guan K, Zhou Y, Wu J, Wang Y, Wang W. Prostaglandin E2 signal inhibits T regulatory cell differentiation during allergic rhinitis inflammation through EP4 receptor. World Allergy Organ J 2019; 12:100090. [PMID: 31871536 PMCID: PMC6909350 DOI: 10.1016/j.waojou.2019.100090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 10/01/2019] [Accepted: 10/17/2019] [Indexed: 02/06/2023] Open
Abstract
Objective Allergic rhinitis (AR) is a common disease seriously affecting quality of life, and until now the effect of medical therapy is not satisfactory. It is essential to explore in depth the pathologic mechanism of AR to offer new ideas for developing novel treatment strategies. The defect of T regulatory (Treg) cells plays a critical role in the pathogenesis of AR, but the underlying mechanism remains to be elucidated. This study aims to determine the effect of Prostaglandin E2 (PGE2) on the differentiation of Treg cells in AR patients and the involvement of E prostanoid (EP) receptor signaling pathway. Methods The proportion of Treg cells and the level of PGE2 in the peripheral blood of AR patients and healthy controls were compared. Differentiation rate of Treg cells under the influence of various concentrations of PGE2 with or without diverse EP receptor agonists and antagonists were investigated through cell culture and flow cytometry in vitro. The cyclic AMP (cAMP) mimic or protein kinase B (Akt) inhibitor was also added to the culture to evaluate the downstream pathway of EP receptor signaling. Results The proportion of Treg cells decreased and PGE2 concentration increased in the peripheral blood of AR patients compared to healthy controls. PGE2 dose-dependently suppressed the differentiation of Treg cells from both human and mice naïve CD4+ T cells in vitro. This inhibitory effect was mediated through EP4 via a mechanism involving activation of cAMP-dependent proteinkinase A (PKA) signaling pathway. Conclusion PGE2-EP4-cAMP signaling might mediate the development of AR by inhibiting the differentiation of Treg cells.
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Affiliation(s)
- Lisha Li
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment on Allergic Diseases, National Clinical Research Center for Immunologic Diseases, Beijing, 100730, China
| | - Kai Guan
- Department of Allergy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment on Allergic Diseases, National Clinical Research Center for Immunologic Diseases, Beijing, 100730, China
| | - Yu Zhou
- Department of Immunology, School of Basic Medical Sciences, Peking University, NHC Key Laboratory of Medical Immunology (Peking University), Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, 100191, China
| | - Jia Wu
- Department of Immunology, School of Basic Medical Sciences, Peking University, NHC Key Laboratory of Medical Immunology (Peking University), Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, 100191, China
| | - Yan Wang
- Department of Immunology, School of Basic Medical Sciences, Peking University, NHC Key Laboratory of Medical Immunology (Peking University), Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, 100191, China
| | - Wei Wang
- Department of Immunology, School of Basic Medical Sciences, Peking University, NHC Key Laboratory of Medical Immunology (Peking University), Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, 100191, China
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23
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Maseda D, Ricciotti E, Crofford LJ. Prostaglandin regulation of T cell biology. Pharmacol Res 2019; 149:104456. [PMID: 31553935 DOI: 10.1016/j.phrs.2019.104456] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/06/2019] [Accepted: 09/13/2019] [Indexed: 12/26/2022]
Abstract
Prostaglandins (PG) are pleiotropic bioactive lipids involved in the control of many physiological processes, including key roles in regulating inflammation. This links PG to the modulation of the quality and magnitude of immune responses. T cells, as a core part of the immune system, respond readily to inflammatory cues from their environment, and express a diverse array of PG receptors that contribute to their function and phenotype. Here we put in context our knowledge about how PG affect T cell biology, and review advances that bring light into how specific T cell functions that have been newly discovered are modulated through PG. We will also comment on drugs that target PG metabolism and sensing, their effect on T cell function during disease, and we will finally discuss how we can design new approaches that modulate PG in order to maximize desired therapeutic T cell effects.
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Affiliation(s)
- Damian Maseda
- Department of Microbiology, University of Pennsylvania School of Medicine, 8-138 Smillow Center for Translational Research, Philadelphia, PA, USA.
| | - Emanuela Ricciotti
- Department of Systems Pharmacology and Translational Therapeutics, Institute for Translational Medicine and Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
| | - Leslie J Crofford
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
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24
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Arora S, Ahmad S, Irshad R, Goyal Y, Rafat S, Siddiqui N, Dev K, Husain M, Ali S, Mohan A, Syed MA. TLRs in pulmonary diseases. Life Sci 2019; 233:116671. [PMID: 31336122 PMCID: PMC7094289 DOI: 10.1016/j.lfs.2019.116671] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/16/2019] [Accepted: 07/19/2019] [Indexed: 12/21/2022]
Abstract
Toll-like receptors (TLRs) comprise a clan of proteins involved in identification and triggering a suitable response against pathogenic attacks. As lung is steadily exposed to multiple infectious agents, antigens and host-derived danger signals, the inhabiting stromal and myeloid cells of the lung express an aggregate of TLRs which perceive the endogenously derived damage-associated molecular patterns (DAMPs) along with pathogen associated molecular patterns (PAMPs) and trigger the TLR-associated signalling events involved in host defence. Thus, they form an imperative component of host defence activation in case of microbial infections as well as non-infectious pulmonary disorders such as interstitial lung disease, acute lung injury and airways disease, such as COPD and asthma. They also play an equally important role in lung cancer. Targeting the TLR signalling network would pave ways to the design of more reliable and effective vaccines against infectious agents and control deadly infections, desensitize allergens and reduce inflammation. Moreover, TLR agonists may act as adjuvants by increasing the efficiency of cancer vaccines, thereby contributing their role in treatment of lung cancer too. Overall, TLRs present a compelling and expeditiously bolstered area of research and addressing their signalling events would be of significant use in pulmonary diseases.
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Affiliation(s)
- Shweta Arora
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Shaniya Ahmad
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Rasha Irshad
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Yamini Goyal
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Sahar Rafat
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Neha Siddiqui
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Kapil Dev
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Mohammad Husain
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
| | - Shakir Ali
- Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India.
| | - Anant Mohan
- Department of Pulmonary Medicine, AIIMS, New Delhi, India.
| | - Mansoor Ali Syed
- Department of Biotechnology, Jamia Millia Islamia, New Delhi, India.
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25
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Rahmatpanah F, Agrawal S, Jaiswal N, Nguyen HM, McClelland M, Agrawal A. Airway epithelial cells prime plasmacytoid dendritic cells to respond to pathogens via secretion of growth factors. Mucosal Immunol 2019; 12:77-84. [PMID: 30279511 PMCID: PMC6301110 DOI: 10.1038/s41385-018-0097-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 09/04/2018] [Accepted: 09/24/2018] [Indexed: 02/04/2023]
Abstract
Plasmacytoid dendritic cells (PDCs) are critical for defense against respiratory viruses because of their propensity to secrete high levels of type I interferons (IFN). The functions of PDCs in the lung can be influenced by airway epithelial cells. We examined the effect of human primary bronchial epithelial cells (PBECs) on PDC functions by performing RNA-sequencing of PDCs after co-culture with air liquid interface differentiated PBECs. Functional analysis revealed that PDCs co-cultured with PBECs displayed upregulation of type I IFN production and response genes. Upregulated transcripts included those encoding cytosolic sensors of DNA, ZBP-1,IRF-3, and NFkB as well as genes involved in amplification of the IFN response, such as IFNAR1, JAK/STAT, ISG15. In keeping with the RNA-seq data, we observe increased secretion of type I IFN and other cytokines in response to influenza in PDCs co-cultured with PBECs. The PDCs also primed Th1 responses in T cells. The enhanced response of PDCs co-cultured with PBECs was due to the action of growth factors, GMCSF, GCSF, and VEGF, which were secreted by PBECs on differentiation. These data highlight possible mechanisms to enhance the production of type-I IFN in the airways, which is critical for host defense against respiratory infections.
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Affiliation(s)
- Farah Rahmatpanah
- 0000 0001 0668 7243grid.266093.8Department of pathology, University of California, Irvine, CA 92697 USA
| | - Sudhanshu Agrawal
- 0000 0001 0668 7243grid.266093.8Division of Basic and Clinical Immunology, Department of Medicine, University of California, Irvine, CA 92697 USA
| | - Natasha Jaiswal
- 0000 0001 0668 7243grid.266093.8Division of Basic and Clinical Immunology, Department of Medicine, University of California, Irvine, CA 92697 USA
| | - Hannah M. Nguyen
- 0000 0001 0668 7243grid.266093.8Division of Basic and Clinical Immunology, Department of Medicine, University of California, Irvine, CA 92697 USA
| | - Michael McClelland
- 0000 0001 0668 7243grid.266093.8Microbiology & Molecular Genetics, University of California, Irvine, CA 92697 USA
| | - Anshu Agrawal
- 0000 0001 0668 7243grid.266093.8Division of Basic and Clinical Immunology, Department of Medicine, University of California, Irvine, CA 92697 USA
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26
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Maseda D, Banerjee A, Johnson EM, Washington MK, Kim H, Lau KS, Crofford LJ. mPGES-1-Mediated Production of PGE 2 and EP4 Receptor Sensing Regulate T Cell Colonic Inflammation. Front Immunol 2018; 9:2954. [PMID: 30619314 PMCID: PMC6302013 DOI: 10.3389/fimmu.2018.02954] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/30/2018] [Indexed: 01/14/2023] Open
Abstract
PGE2 is a lipid mediator of the initiation and resolution phases of inflammation, as well as a regulator of immune system responses to inflammatory events. PGE2 is produced and sensed by T cells, and autocrine or paracrine PGE2 can affect T cell phenotype and function. In this study, we use a T cell-dependent model of colitis to evaluate the role of PGE2 on pathological outcome and T-cell phenotypes. CD4+ T effector cells either deficient in mPGES-1 or the PGE2 receptor EP4 are less colitogenic. Absence of T cell autocrine mPGES1-dependent PGE2 reduces colitogenicity in association with an increase in CD4+RORγt+ cells in the lamina propria. In contrast, recipient mice deficient in mPGES-1 exhibit more severe colitis that corresponds with a reduced capacity to generate FoxP3+ T cells, especially in mesenteric lymph nodes. Thus, our research defines how mPGES-1-driven production of PGE2 by different cell types in distinct intestinal locations impacts T cell function during colitis. We conclude that PGE2 has profound effects on T cell phenotype that are dependent on the microenvironment.
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Affiliation(s)
- Damian Maseda
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States.,Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Amrita Banerjee
- Department of Cell and Developmental Biology, Epithelial Biology Center, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Elizabeth M Johnson
- Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Mary Kay Washington
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Hyeyon Kim
- Department of Cell and Developmental Biology, Epithelial Biology Center, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Ken S Lau
- Department of Cell and Developmental Biology, Epithelial Biology Center, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Leslie J Crofford
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States.,Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
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27
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Nam J, Kwon B, Yoon Y, Choe J. PGE2 stimulates COX-2 expression via EP2/4 receptors and acts in synergy with IL-1β in human follicular dendritic cell-like cells. EUR J INFLAMM 2018. [DOI: 10.1177/2058739218796386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
PGE2 is the major lipid mediator of inflammation produced by multiple cell types including follicular dendritic cells (FDCs) of the lymphoid tissue. We have investigated the immunoregulatory function of PGE2 and its production mechanism using FDC-like cells isolated from human tonsil. Our recent observation of COX-2-inducing effect of PGE2 prompted us to identify the responsible receptor in this study. Pharmacologic approaches were adopted and Western blotting was utilized to measure protein expression levels. Agonists selective for EP2 and EP4 significantly stimulated COX-2 expression, while antagonists for these receptors prevented PGE2 from triggering COX-2 induction. The combined addition of EP2 and EP4 antagonists resulted in further inhibition of PGE2. In contrast, EP1 and EP3 antagonists failed to exhibit the inhibitory effect on PGE2-induced COX-2 expression. Since PGE2 achieves COX-2 induction by repressing Akt activation in FDC-like cells, we confirmed EP2 and EP4 being the targets of PGE2 by examining the effects of E-prostanoid (EP) agonists and antagonists on the level of Akt phosphorylation. After the identification of PGE2 receptor, we examined the effect of PGE2 on IL-1β-induced COX-2 expression. PGE2 and IL-1β brought about a synergistic induction of COX-2 expression. Taken together, this study implies the impact of the combined role of eicosanoids and cytokines in inflammatory milieu.
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Affiliation(s)
- Jihoon Nam
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon, Republic of Korea
| | - Bongjae Kwon
- BIT Medical Convergence Graduate Program, Kangwon National University, Chuncheon, Republic of Korea
| | - Yongdae Yoon
- BIT Medical Convergence Graduate Program, Kangwon National University, Chuncheon, Republic of Korea
| | - Jongseon Choe
- BIT Medical Convergence Graduate Program, Kangwon National University, Chuncheon, Republic of Korea
- Department of Microbiology and Immunology, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea
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28
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Ben Nasr M, D'Addio F, Malvandi AM, Faravelli S, Castillo-Leon E, Usuelli V, Rocchio F, Letizia T, El Essawy AB, Assi E, Mameli C, Giani E, Macedoni M, Maestroni A, Dassano A, Loretelli C, Paroni M, Cannalire G, Biasucci G, Sala M, Biffi A, Zuccotti GV, Fiorina P. Prostaglandin E2 Stimulates the Expansion of Regulatory Hematopoietic Stem and Progenitor Cells in Type 1 Diabetes. Front Immunol 2018; 9:1387. [PMID: 29971065 PMCID: PMC6018202 DOI: 10.3389/fimmu.2018.01387] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 06/04/2018] [Indexed: 12/29/2022] Open
Abstract
Hematopoietic stem and progenitor cells (HSPCs) are multipotent stem cells that have been harnessed as a curative therapy for patients with hematological malignancies. Notably, the discovery that HSPCs are endowed with immunoregulatory properties suggests that HSPC-based therapeutic approaches may be used to treat autoimmune diseases. Indeed, infusion with HSPCs has shown promising results in the treatment of type 1 diabetes (T1D) and remains the only “experimental therapy” that has achieved a satisfactory rate of remission (nearly 60%) in T1D. Patients with newly diagnosed T1D have been successfully reverted to normoglycemia by administration of autologous HSPCs in association with a non-myeloablative immunosuppressive regimen. However, this approach is hampered by a high incidence of adverse effects linked to immunosuppression. Herein, we report that while the use of autologous HSPCs is capable of improving C-peptide production in patients with T1D, ex vivo modulation of HSPCs with prostaglandins (PGs) increases their immunoregulatory properties by upregulating expression of the immune checkpoint-signaling molecule PD-L1. Surprisingly, CXCR4 was upregulated as well, which could enhance HSPC trafficking toward the inflamed pancreatic zone. When tested in murine and human in vitro autoimmune assays, PG-modulated HSPCs were shown to abrogate the autoreactive T cell response. The use of PG-modulated HSPCs may thus provide an attractive and novel treatment of autoimmune diabetes.
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Affiliation(s)
- Moufida Ben Nasr
- Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States.,International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Francesca D'Addio
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Amir Mohammad Malvandi
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Silvia Faravelli
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Eduardo Castillo-Leon
- Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
| | - Vera Usuelli
- Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States.,International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Francesca Rocchio
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Teresa Letizia
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | | | - Emma Assi
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Chiara Mameli
- Department of Pediatrics, Buzzi Children Hospital, Milan, Italy.,Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy.,Department of Pediatrics, Children's Hospital Buzzi, Milan, Italy
| | - Elisa Giani
- Department of Pediatrics, Buzzi Children Hospital, Milan, Italy.,Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy.,Department of Pediatrics, Children's Hospital Buzzi, Milan, Italy
| | - Maddalena Macedoni
- Department of Pediatrics, Diabetes Service Studies, University of Milan, Ospedale dei Bambini Vittore Buzzi, Milan, Italy
| | - Anna Maestroni
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Alice Dassano
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Cristian Loretelli
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy
| | - Moira Paroni
- Department of Bioscience, University of Milan, Milan, Italy
| | - Giuseppe Cannalire
- Department of Pediatrics and Neonatology, Ospedale Guglielmo da Saliceto, Piacenza, Italy
| | - Giacomo Biasucci
- Department of Pediatrics and Neonatology, Ospedale Guglielmo da Saliceto, Piacenza, Italy
| | - Marco Sala
- Department of Pediatrics, Tradate Hospital, Tradate, Italy
| | - Alessandra Biffi
- Gene Therapy Program, Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, United States.,Harvard Medical School, Boston, MA, United States
| | - Gian Vincenzo Zuccotti
- International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy.,Department of Pediatrics, Buzzi Children Hospital, Milan, Italy.,Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy.,Department of Pediatrics, Children's Hospital Buzzi, Milan, Italy
| | - Paolo Fiorina
- Nephrology Division, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States.,International Center for T1D, Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan, Italy.,Division of Endocrinology, ASST Sacco Fatebenefratelli-Sacco, Milan, Italy
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29
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Maseda D, Johnson EM, Nyhoff LE, Baron B, Kojima F, Wilhelm AJ, Ward MR, Woodward JG, Brand DD, Crofford LJ. mPGES1-Dependent Prostaglandin E 2 (PGE 2) Controls Antigen-Specific Th17 and Th1 Responses by Regulating T Autocrine and Paracrine PGE 2 Production. THE JOURNAL OF IMMUNOLOGY 2017; 200:725-736. [PMID: 29237778 DOI: 10.4049/jimmunol.1601808] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 11/06/2017] [Indexed: 01/24/2023]
Abstract
The integration of inflammatory signals is paramount in controlling the intensity and duration of immune responses. Eicosanoids, particularly PGE2, are critical molecules in the initiation and resolution of inflammation and in the transition from innate to acquired immune responses. Microsomal PGE synthase 1 (mPGES1) is an integral membrane enzyme whose regulated expression controls PGE2 levels and is highly expressed at sites of inflammation. PGE2 is also associated with modulation of autoimmunity through altering the IL-23/IL-17 axis and regulatory T cell (Treg) development. During a type II collagen-CFA immunization response, lack of mPGES1 impaired the numbers of CD4+ regulatory (Treg) and Th17 cells in the draining lymph nodes. Ag-experienced mPGES1-/- CD4+ cells showed impaired IL-17A, IFN-γ, and IL-6 production when rechallenged ex vivo with their cognate Ag compared with their wild-type counterparts. Additionally, production of PGE2 by cocultured APCs synergized with that of Ag-experienced CD4+ T cells, with mPGES1 competence in the APC compartment enhancing CD4+ IL-17A and IFN-γ responses. However, in contrast with CD4+ cells that were Ag primed in vivo, exogenous PGE2 inhibited proliferation and skewed IL-17A to IFN-γ production under Th17 polarization of naive T cells in vitro. We conclude that mPGES1 is necessary in vivo to mount optimal Treg and Th17 responses during an Ag-driven primary immune response. Furthermore, we uncover a coordination of autocrine and paracrine mPGES1-driven PGE2 production that impacts effector T cell IL-17A and IFN-γ responses.
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Affiliation(s)
- Damian Maseda
- Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37202
| | - Elizabeth M Johnson
- Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37202
| | - Lindsay E Nyhoff
- Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37202
| | - Bridgette Baron
- Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37202
| | - Fumiaki Kojima
- Department of Pharmacology, Kitasato University, Tokyo 108-8641, Japan
| | - Ashley J Wilhelm
- Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37202
| | - Martin R Ward
- University of Kentucky Medical Center, Lexington, KY 40536; and
| | | | - David D Brand
- Division of Rheumatology, University of Tennessee, Memphis, TN 38104
| | - Leslie J Crofford
- Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37202;
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Li S, Wu J, Zhu S, Liu YJ, Chen J. Disease-Associated Plasmacytoid Dendritic Cells. Front Immunol 2017; 8:1268. [PMID: 29085361 PMCID: PMC5649186 DOI: 10.3389/fimmu.2017.01268] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 09/22/2017] [Indexed: 12/20/2022] Open
Abstract
Plasmacytoid dendritic cells (pDCs), also called natural interferon (IFN)-producing cells, represent a specialized cell type within the innate immune system. pDCs are specialized in sensing viral RNA and DNA by toll-like receptor-7 and -9 and have the ability to rapidly produce massive amounts of type 1 IFNs upon viral encounter. After producing type 1 IFNs, pDCs differentiate into professional antigen-presenting cells, which are capable of stimulating T cells of the adaptive immune system. Chronic activation of human pDCs by self-DNA or mitochondrial DNA contributes to the pathogenesis of systemic lupus erythematosis and IFN-related autoimmune diseases. Under steady-state conditions, pDCs play an important role in immune tolerance. In many types of human cancers, recruitment of pDCs to the tumor microenvironment contributes to the induction of immune tolerance. Here, we provide a systemic review of recent progress in studies on the role of pDCs in human diseases, including cancers and autoimmune/inflammatory diseases.
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Affiliation(s)
- Shuang Li
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun, China
| | - Jing Wu
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun, China
| | - Shan Zhu
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun, China
| | - Yong-Jun Liu
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun, China.,Sanofi Research and Development, Cambridge, MA, United States
| | - Jingtao Chen
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun, China
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Li H, Chen HY, Liu WX, Jia XX, Zhang JG, Ma CL, Zhang XJ, Yu F, Cong B. Prostaglandin E 2 restrains human Treg cell differentiation via E prostanoid receptor 2-protein kinase A signaling. Immunol Lett 2017; 191:63-72. [PMID: 28963072 DOI: 10.1016/j.imlet.2017.09.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 09/01/2017] [Accepted: 09/25/2017] [Indexed: 10/18/2022]
Abstract
Regulatory T cells (Treg cells) belong to a class of immunosuppressive cells that control the pathological changes of autoimmunity and inflammation. Prostaglandin E2 (PGE2) is a potent lipid mediator of immune inflammation including rheumatoid arthritis (RA) that exerts its effects via four subtypes of G-protein-coupled receptors (EP1-4). The ability of PGE2 to regulate human Treg differentiation has not yet been reported. In the current study, we investigated the effects of PGE2 on the differentiation of naïve T cells from healthy and RA patients into Treg cells and the intracellular signaling involved in this process in vitro. Our data indicate that PGE2 negatively influenced the percentage of Treg cells and Foxp3 mRNA expression. The regulatory effects of PGE2 were associated with increased intracellular cAMP levels and PKA activity. EP2 receptors may mediate the inhibitory role of PGE2, since PGE2 actions were mimicked by EP2 agonist (Butaprost) and cAMP agonist (Sp-8-CPT-cAMPS) but were reversed by an EP2 antagonist (PF-04418948) and a PKA inhibitor (H-89). PGE2 negatively modulated the expression of cytotoxic T lymphocyte antigen-4 (CTLA-4) and glucocorticoid-induced tumor necrosis factor receptor-related protein (GITR), as well as the production of interleukin (IL)-10 by Treg cells via EP2 receptors and cAMP/PKA signaling. All these findings indicate that PGE2 can inhibit Treg differentiation mediated through the EP2-cAMP/PKA signaling pathway, and suggest novel immune-based therapies for use in RA treatment.
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Affiliation(s)
- Hui Li
- Institute of Basic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Hai-Ying Chen
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang, 050000, PR China.
| | - Wen-Xuan Liu
- Department of Forensic Medicine, Key Laboratory of Forensic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Xian-Xian Jia
- Institute of Basic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Jing-Ge Zhang
- Department of Forensic Medicine, Key Laboratory of Forensic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Chun-Ling Ma
- Department of Forensic Medicine, Key Laboratory of Forensic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Xiao-Jing Zhang
- Department of Forensic Medicine, Key Laboratory of Forensic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Feng Yu
- Department of Forensic Medicine, Key Laboratory of Forensic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
| | - Bin Cong
- Institute of Basic Medicine, Hebei Medical University, Shijiazhuang, 050017, PR China.
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Olesch C, Sha W, Angioni C, Sha LK, Açaf E, Patrignani P, Jakobsson PJ, Radeke HH, Grösch S, Geisslinger G, von Knethen A, Weigert A, Brüne B. MPGES-1-derived PGE2 suppresses CD80 expression on tumor-associated phagocytes to inhibit anti-tumor immune responses in breast cancer. Oncotarget 2016; 6:10284-96. [PMID: 25871398 PMCID: PMC4496355 DOI: 10.18632/oncotarget.3581] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 02/13/2015] [Indexed: 01/04/2023] Open
Abstract
Prostaglandin E2 (PGE2) favors multiple aspects of tumor development and immune evasion. Therefore, microsomal prostaglandin E synthase (mPGES-1/-2), is a potential target for cancer therapy. We explored whether inhibiting mPGES-1 in human and mouse models of breast cancer affects tumor-associated immunity. A new model of breast tumor spheroid killing by human PBMCs was developed. In this model, tumor killing required CD80 expression by tumor-associated phagocytes to trigger cytotoxic T cell activation. Pharmacological mPGES-1 inhibition increased CD80 expression, whereas addition of PGE2, a prostaglandin E2 receptor 2 (EP2) agonist, or activation of signaling downstream of EP2 reduced CD80 expression. Genetic ablation of mPGES-1 resulted in markedly reduced tumor growth in PyMT mice. Macrophages of mPGES-1−/− PyMT mice indeed expressed elevated levels of CD80 compared to their wildtype counterparts. CD80 expression in tumor-spheroid infiltrating mPGES-1−/− macrophages translated into antigen-specific cytotoxic T cell activation. In conclusion, mPGES-1 inhibition elevates CD80 expression by tumor-associated phagocytes to restrict tumor growth. We propose that mPGES-1 inhibition in combination with immune cell activation might be part of a therapeutic strategy to overcome the immunosuppressive tumor microenvironment.
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Affiliation(s)
- Catherine Olesch
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Weixiao Sha
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Carlo Angioni
- Institute of Clinical Pharmacology/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Lisa Katharina Sha
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Elias Açaf
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Paola Patrignani
- Department of Neuroscience, Imaging and Clinical Sciences and Center of Excellence on Aging (CeSI), "G. d'Annunzio" University, Chieti, Italy
| | - Per-Johan Jakobsson
- Department of Medicine, Rheumatology Research Unit, Karolinska Institutet, Stockholm, Sweden
| | - Heinfried H Radeke
- Pharmazentrum Frankfurt/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Sabine Grösch
- Institute of Clinical Pharmacology/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Gerd Geisslinger
- Institute of Clinical Pharmacology/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Andreas von Knethen
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt, Germany
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Breakdown of Immune Tolerance in Systemic Lupus Erythematosus by Dendritic Cells. J Immunol Res 2016; 2016:6269157. [PMID: 27034965 PMCID: PMC4789470 DOI: 10.1155/2016/6269157] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 01/15/2016] [Accepted: 02/07/2016] [Indexed: 02/06/2023] Open
Abstract
Dendritic cells (DC) play an important role in the pathogenesis of systemic lupus erythematosus (SLE), an autoimmune disease with multiple tissue manifestations. In this review, we summarize recent studies on the roles of conventional DC and plasmacytoid DC in the development of both murine lupus and human SLE. In the past decade, studies using selective DC depletions have demonstrated critical roles of DC in lupus progression. Comprehensive in vitro and in vivo studies suggest activation of DC by self-antigens in lupus pathogenesis, followed by breakdown of immune tolerance to self. Potential treatment strategies targeting DC have been developed. However, many questions remain regarding the mechanisms by which DC modulate lupus pathogenesis that require further investigations.
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Dillmann C, Ringel C, Ringleb J, Mora J, Olesch C, Fink AF, Roberts E, Brüne B, Weigert A. S1PR4 Signaling Attenuates ILT 7 Internalization To Limit IFN-α Production by Human Plasmacytoid Dendritic Cells. THE JOURNAL OF IMMUNOLOGY 2016; 196:1579-90. [PMID: 26783340 DOI: 10.4049/jimmunol.1403168] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 12/09/2015] [Indexed: 12/14/2022]
Abstract
Plasmacytoid dendritic cells (pDCs) produce large amounts of type I IFN in response to TLR7/9 ligands. This conveys antiviral effects, activates other immune cells (NK cells, conventional DCs, B, and T cells), and causes the induction and expansion of a strong inflammatory response. pDCs are key players in various type I IFN-driven autoimmune diseases such as systemic lupus erythematosus or psoriasis, but pDCs are also involved in (anti-)tumor immunity. The sphingolipid sphingosine-1-phosphate (S1P) signals through five G-protein-coupled receptors (S1PR1-5) to regulate, among other activities, immune cell migration and activation. The present study shows that S1P stimulation of human, primary pDCs substantially decreases IFN-α production after TLR7/9 activation with different types of CpG oligodeoxynucleotides or tick-borne encephalitis vaccine, which occurred in an S1PR4-dependent manner. Mechanistically, S1PR4 activation preserves the surface expression of the human pDC-specific inhibitory receptor Ig-like transcript 7. We provide novel information that Ig-like transcript 7 is rapidly internalized upon receptor-mediated endocytosis of TLR7/9 ligands to allow high IFN-α production. This is antagonized by S1PR4 signaling, thus decreasing TLR-induced IFN-α secretion. At a functional level, attenuated IFN-α production failed to alter Ag-driven T cell proliferation in pDC-dependent T cell activation assays, but shifted cytokine production of T cells from a Th1 (IFN-γ) to a regulatory (IL-10) profile. In conclusion, S1PR4 agonists block human pDC activation and may therefore be a promising tool to restrict pathogenic IFN-α production.
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Affiliation(s)
- Christina Dillmann
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Christian Ringel
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Julia Ringleb
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Javier Mora
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Catherine Olesch
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Annika F Fink
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Edward Roberts
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA 92037
| | - Bernhard Brüne
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
| | - Andreas Weigert
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, 60590 Frankfurt, Germany; and
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Fontaine MJ, Shih H, Schäfer R, Pittenger MF. Unraveling the Mesenchymal Stromal Cells' Paracrine Immunomodulatory Effects. Transfus Med Rev 2015; 30:37-43. [PMID: 26689863 DOI: 10.1016/j.tmrv.2015.11.004] [Citation(s) in RCA: 115] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 11/26/2015] [Accepted: 11/26/2015] [Indexed: 02/06/2023]
Abstract
In the last 10 years, the role of mesenchymal stromal cells (MSCs) in modulating inflammatory and immune responses has been characterized using both in vitro studies and in vivo models of immune disorders. Mesenchymal stromal cell immunomodulatory properties have been linked to various paracrine factors which expression varies depending on the pathologic condition to which the MSCs are exposed. These factors may directly impact key cells of the adaptive immune system, such as T cells. Indeed, coculturing MSCs with T cells in a mixed lymphocyte reaction assay inhibits T-cell proliferation through the secretion of immunomodulatory cytokines. However, in a context of inflammation, MSCs may secrete paracrine factors that influence other immune cell subpopulations such as dendritic cells and macrophages and polarize them toward a tolerogenic phenotype. In vivo, these same immunomodulatory factors are shown to be increased in the serum of animal models presenting with inflammatory diseases treated with MSC administration. In light of the results from these landmark studies, we review the main MSC secreted factors identified to play a role in modulating inflammatory immune responses either in vitro or in vivo, and we assess the impact of these factors on the therapeutic applications of MSC-based cell therapies in immune diseases.
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Affiliation(s)
| | - Hank Shih
- Department of Pathology, University of Maryland, Baltimore, MD
| | - Richard Schäfer
- Institute for TransfusionMedicine and Immunohaematology, German Red Cross Blood Donor Service Baden-Württemberg-Hessen gGmbH, Goethe University Hospital, Frankfurt amMain, Germany
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Wen J, Luo J, Huang W, Tang J, Zhou H, Zhang W. The Pharmacological and Physiological Role of Multidrug-Resistant Protein 4. J Pharmacol Exp Ther 2015; 354:358-75. [PMID: 26148856 DOI: 10.1124/jpet.115.225656] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2015] [Accepted: 06/30/2015] [Indexed: 12/11/2022] Open
Abstract
Multidrug-resistant protein 4 (MRP4), a member of the C subfamily of ATP-binding cassette transporters, is distributed in a variety of tissues and a number of cancers. As a drug transporter, MRP4 is responsible for the pharmacokinetics and pharmacodynamics of numerous drugs, especially antiviral drugs, antitumor drugs, and diuretics. In this regard, the functional role of MRP4 is affected by a number of factors, such as genetic mutations; tissue-specific transcriptional regulations; post-transcriptional regulations, including miRNAs and membrane internalization; and substrate competition. Unlike other C family members, MRP4 is in a pivotal position to transport cellular signaling molecules, through which it is tightly connected to the living activity and physiologic processes of cells and bodies. In the context of several cancers in which MRP4 is overexpressed, MRP4 inhibition shows striking effects against cancer progression and drug resistance. In this review, we describe the role of MRP4 more specifically in both healthy conditions and disease states, with an emphasis on its potential as a drug target.
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Affiliation(s)
- Jiagen Wen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Jianquan Luo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Weihua Huang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Jie Tang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Honghao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, ChangSha, P.R. China; Institute of Clinical Pharmacology, Central South University, ChangSha, P.R. China; and Hunan Key Laboratory of Pharmacogenetics, ChangSha, P.R. China
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37
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Flores M, Chew C, Tyan K, Huang WQ, Salem A, Clynes R. FcγRIIB prevents inflammatory type I IFN production from plasmacytoid dendritic cells during a viral memory response. THE JOURNAL OF IMMUNOLOGY 2015; 194:4240-50. [PMID: 25821224 DOI: 10.4049/jimmunol.1401296] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 02/09/2015] [Indexed: 11/19/2022]
Abstract
The type I IFN (IFN-α) response is crucial for viral clearance during primary viral infections. Plasmacytoid dendritic cells (pDCs) are important early responders during systemic viral infections and, in some cases, are the sole producers of IFN-α. However, their role in IFN-α production during memory responses is unclear. We found that IFN-α production is absent during a murine viral memory response, despite colocalization of virus and pDCs to the splenic marginal zone. The absence of IFN was dependent on circulating Ab and was reversed by the transgenic expression of the activating human FcγRIIA receptor on pDCs. Furthermore, FcγRIIB was required for Sendai virus immune complex uptake by splenic pDCs in vitro, and internalization via FcγRIIb prevented cargo from accessing TLR signaling endosomes. Thus, pDCs bind viral immune complexes via FcγRIIB and prevent IFN-α production in vivo during viral memory responses. This Ab-dependent IFN-α regulation may be an important mechanism by which the potentially deleterious effects of IFN-α are prevented during a secondary infection.
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Affiliation(s)
- Marcella Flores
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032; Department of Medicine, Columbia University Medical Center, New York, NY 10032; Department of Dermatology, Columbia University Medical Center, New York, NY 10032; and
| | - Claude Chew
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032; Department of Medicine, Columbia University Medical Center, New York, NY 10032; Department of Dermatology, Columbia University Medical Center, New York, NY 10032; and
| | - Kevin Tyan
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032; Department of Medicine, Columbia University Medical Center, New York, NY 10032; Department of Dermatology, Columbia University Medical Center, New York, NY 10032; and
| | - Wu Qing Huang
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032; Department of Medicine, Columbia University Medical Center, New York, NY 10032; Department of Dermatology, Columbia University Medical Center, New York, NY 10032; and
| | - Aliasger Salem
- Division of Pharmaceuticals, College of Pharmacy, University of Iowa, Iowa City, IA 52242
| | - Raphael Clynes
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032; Department of Medicine, Columbia University Medical Center, New York, NY 10032; Department of Dermatology, Columbia University Medical Center, New York, NY 10032; and
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38
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Karrich JJ, Jachimowski LCM, Uittenbogaart CH, Blom B. The plasmacytoid dendritic cell as the Swiss army knife of the immune system: molecular regulation of its multifaceted functions. THE JOURNAL OF IMMUNOLOGY 2015; 193:5772-8. [PMID: 25480956 DOI: 10.4049/jimmunol.1401541] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Plasmacytoid dendritic cells (pDC) have been regarded as the "professional type I IFN-producing cells" of the immune system following viral recognition that relies on the expression of TLR7 and TLR9. Furthermore, pDC link the innate and adaptive immune systems via cytokine production and Ag presentation. More recently, their ability to induce tolerance and cytotoxicity has been added to their "immune skills." Such a broad range of actions, resembling the diverse functional features of a Swiss army knife, requires strong and prompt molecular regulation to prevent detrimental effects, including autoimmune pathogenesis or tumor escape. Over the last decades, we and other investigators have started to unravel some aspects of the signaling pathways that regulate the various functions of human pDC. In this article, we review aspects of the molecular regulatory mechanisms to control pDC function in light of their multifaceted roles during immunity, autoimmunity, and cancer.
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Affiliation(s)
- Julien J Karrich
- Department of Cell Biology and Histology, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, the Netherlands
| | - Loes C M Jachimowski
- Department of Cell Biology and Histology, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, the Netherlands
| | - Christel H Uittenbogaart
- Department of Pediatrics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095; and Department of Microbiology, Immunology, and Molecular Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095
| | - Bianca Blom
- Department of Cell Biology and Histology, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, the Netherlands;
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Roy R, Kumar D, Sharma A, Gupta P, Chaudhari BP, Tripathi A, Das M, Dwivedi PD. ZnO nanoparticles induced adjuvant effect via toll-like receptors and Src signaling in Balb/c mice. Toxicol Lett 2014; 230:421-33. [DOI: 10.1016/j.toxlet.2014.08.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 08/01/2014] [Accepted: 08/10/2014] [Indexed: 01/13/2023]
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40
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Abstract
It is widely accepted that intake of dietary fats and chronic inflammation are risk factors for developing colorectal cancer. Arachidonic acid is a major component of animal fats, and the bioactive lipids produced from this substrate play critical roles in a variety of biologic processes, including cancer. Cyclooxygenase-derived prostaglandin E2 is a known proinflammatory lipid mediator that promotes tumor progression. Metabolism of arachidonic acid by the cyclooxygenase pathway provides one mechanism for the contribution of dietary fats and chronic inflammation to carcinogenesis. In this review, we highlight recent advances in our understanding of how a proinflammatory mediator prostaglandin E2 promotes colorectal cancer immune evasion. These findings may provide a rationale for the development of new therapeutic approaches to subvert tumor-induced immunosuppression.
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41
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Park G, Kim HG, Lim S, Lee W, Sim Y, Oh MS. Coriander alleviates 2,4-dinitrochlorobenzene-induced contact dermatitis-like skin lesions in mice. J Med Food 2014; 17:862-8. [PMID: 24963872 PMCID: PMC4126273 DOI: 10.1089/jmf.2013.2910] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 05/17/2014] [Indexed: 10/25/2022] Open
Abstract
Contact dermatitis (CD) is a pattern of inflammatory responses in the skin that occurs through contact with external factors. The clinical picture is a polymorphic pattern of skin inflammation characterized by a wide range of clinical features, including itching, redness, scaling, and erythema. Coriandrum sativum L. (CS), commonly known as coriander, is a member of the Apiaceae family and is cultivated throughout the world for its nutritional and culinary values. Linoleic acid and linolenic acid in CS have various pharmacological activities. However, no study of the inhibitory effects of CS on CD has been reported. In this study, we demonstrated the protective effect of CS against 2,4-dinitrochlorobenzene-induced CD-like skin lesions. CS, at doses of 0.5-1%, applied to the dorsal skin inhibited the development of CD-like skin lesions. Moreover, the Th2-mediated inflammatory cytokines, immunoglobulin E, tumor necrosis factor-α, interferon-γ, interleukin (IL)-1, IL-4, and IL-13, were significantly reduced. In addition, CS increased the levels of total glutathione and heme oxygenase-1 protein. Thus, CS can inhibit the development of CD-like skin lesions in mice by regulating immune mediators and may be an effective alternative therapy for contact diseases.
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Affiliation(s)
- Gunhyuk Park
- Department of Life and Nanopharmaceutical Science, Graduate School and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul, Korea
| | - Hyo Geun Kim
- Department of Oriental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Korea
| | - Soonmin Lim
- Department of Life and Nanopharmaceutical Science, Graduate School and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul, Korea
| | - Wonil Lee
- Department of Life and Nanopharmaceutical Science, Graduate School and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul, Korea
| | - Yeomoon Sim
- Department of Life and Nanopharmaceutical Science, Graduate School and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul, Korea
| | - Myung Sook Oh
- Department of Life and Nanopharmaceutical Science, Graduate School and Kyung Hee East-West Pharmaceutical Research Institute, Kyung Hee University, Seoul, Korea
- Department of Oriental Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Korea
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42
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Chou JP, Ramirez CM, Ryba DM, Koduri MP, Effros RB. Prostaglandin E2 promotes features of replicative senescence in chronically activated human CD8+ T cells. PLoS One 2014; 9:e99432. [PMID: 24918932 PMCID: PMC4053423 DOI: 10.1371/journal.pone.0099432] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 05/14/2014] [Indexed: 12/05/2022] Open
Abstract
Prostaglandin E2 (PGE2), a pleiotropic immunomodulatory molecule, and its free radical catalyzed isoform, iso-PGE2, are frequently elevated in the context of cancer and chronic infection. Previous studies have documented the effects of PGE2 on the various CD4+ T cell functions, but little is known about its impact on cytotoxic CD8+ T lymphocytes, the immune cells responsible for eliminating virally infected and tumor cells. Here we provide the first demonstration of the dramatic effects of PGE2 on the progression of human CD8+ T cells toward replicative senescence, a terminal dysfunctional state associated multiple pathologies during aging and chronic HIV-1 infection. Our data show that exposure of chronically activated CD8+ T cells to physiological levels of PGE2 and iso-PGE2 promotes accelerated acquisition of markers of senescence, including loss of CD28 expression, increased expression of p16 cell cycle inhibitor, reduced telomerase activity, telomere shortening and diminished production of key cytotoxic and survival cytokines. Moreover, the CD8+ T cells also produced higher levels of reactive oxygen species, suggesting that the resultant oxidative stress may have further enhanced telomere loss. Interestingly, we observed that even chronic activation per se resulted in increased CD8+ T cell production of PGE2, mediated by higher COX-2 activity, thus inducing a negative feedback loop that further inhibits effector function. Collectively, our data suggest that the elevated levels of PGE2 and iso-PGE2, seen in various cancers and HIV-1 infection, may accelerate progression of CD8+ T cells towards replicative senescence in vivo. Inhibition of COX-2 activity may, therefore, provide a strategy to counteract this effect.
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Affiliation(s)
- Jennifer P. Chou
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America
| | - Christina M. Ramirez
- Department of Biostatistics, Fielding School of Public Health, University of California Los Angeles, Los Angeles, California, United States of America
| | - Danielle M. Ryba
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America
| | - Megha P. Koduri
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America
| | - Rita B. Effros
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America
- UCLA AIDS Institute, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, United States of America
- * E-mail:
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43
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Bekeredjian-Ding I, Greil J, Ammann S, Parcina M. Plasmacytoid Dendritic Cells: Neglected Regulators of the Immune Response to Staphylococcus aureus. Front Immunol 2014; 5:238. [PMID: 24904586 PMCID: PMC4033153 DOI: 10.3389/fimmu.2014.00238] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2014] [Accepted: 05/08/2014] [Indexed: 12/18/2022] Open
Abstract
Plasmacytoid dendritic cells (pDC) are a rare subset of leukocytes equipped with Fcγ and Fcε receptors, which exert contrary effects on sensing of microbial nucleic acids by endosomal Toll-like receptors. In this article, we explain how pDC contribute to the immune response to Staphylococcus aureus. Under normal circumstances the pDC participates in the memory response to the pathogen: pDC activation is initiated by uptake of staphylococcal immune complexes with IgG or IgE. However, protein A-expressing S. aureus strains additionally trigger pDC activation in the absence of immunoglobulin. In this context, staphylococci exploit the pDC to induce antigen-independent differentiation of IL-10 producing plasmablasts, an elegant means to propagate immune evasion. We further discuss the role of type I interferons in infection with S. aureus and the implications of these findings for the development of immune based therapies and vaccination.
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Affiliation(s)
| | - Johann Greil
- Institute for Microbiology, Immunology and Parasitology, University Hospital Bonn , Bonn , Germany ; Department of Pediatrics, University Hospital Heidelberg , Heidelberg , Germany
| | - Sandra Ammann
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg , Heidelberg , Germany
| | - Marijo Parcina
- Institute for Microbiology, Immunology and Parasitology, University Hospital Bonn , Bonn , Germany
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44
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Camisaschi C, De Filippo A, Beretta V, Vergani B, Villa A, Vergani E, Santinami M, Cabras AD, Arienti F, Triebel F, Rodolfo M, Rivoltini L, Castelli C. Alternative activation of human plasmacytoid DCs in vitro and in melanoma lesions: involvement of LAG-3. J Invest Dermatol 2014; 134:1893-1902. [PMID: 24441096 DOI: 10.1038/jid.2014.29] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 12/03/2013] [Accepted: 12/13/2013] [Indexed: 02/07/2023]
Abstract
Plasmacytoid dendritic cells (pDCs) at tumor sites are often tolerogenic. Although pDCs initiate innate and adaptive immunity upon Toll-like receptor (TLR) triggering by pathogens, TLR-independent signals may be responsible for pDC activation and immune suppression in the tumor inflammatory environment. To identify molecules that are potentially involved in alternative pDC activation, we explored the expression and function of lymphocyte activation gene 3 (LAG-3) in human pDCs. In this report, we showed the expression of LAG-3 on the cell surface of a subset of circulating human pDCs. LAG-3+ pDCs exhibited a partially mature phenotype and were enriched at tumor sites in samples from melanoma patients. We found that LAG-3 interacted with major histocompatibility complex class II (MHC-II) to induce TLR-independent activation of pDCs with limited IFNα and enhanced IL-6 production. This in vitro cytokine profile of LAG-3-activated pDCs paralleled that of tumor-associated pDCs analyzed ex vivo. By confocal microscopy, LAG-3+ pDCs detected in melanoma-invaded lymph nodes (LNs) stained positive for IL-6 and preferentially localized near melanoma cells. These results suggest that LAG-3-mediated activation of pDCs takes place in vivo at tumor sites, and it is in part responsible for directing an immune-suppressive environment.
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Affiliation(s)
- Chiara Camisaschi
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Annamaria De Filippo
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Valeria Beretta
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Barbara Vergani
- Consorzio MIA (Microscopy and Image Analysis), University of Milano-Bicocca, Milan, Italy
| | - Antonello Villa
- Consorzio MIA (Microscopy and Image Analysis), University of Milano-Bicocca, Milan, Italy
| | - Elisabetta Vergani
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Mario Santinami
- Melanoma and Sarcoma Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Flavio Arienti
- Immunohematology Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Monica Rodolfo
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Licia Rivoltini
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Chiara Castelli
- Unit of Immunotherapy of Human Tumor, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.
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45
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Seliger B, Massa C. The dark side of dendritic cells: development and exploitation of tolerogenic activity that favor tumor outgrowth and immune escape. Front Immunol 2013; 4:419. [PMID: 24348482 PMCID: PMC3845009 DOI: 10.3389/fimmu.2013.00419] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 11/17/2013] [Indexed: 01/27/2023] Open
Abstract
Dendritic cells (DC) play a central role in the regulation of the immune responses by providing the information needed to decide between tolerance, ignorance, or active responses. For this reason different therapies aim at manipulating DC to obtain the desired response, such as enhanced cell-mediated toxicity against tumor and infected cells or the induction of tolerance in autoimmunity and transplantation. In the last decade studies performed in these settings have started to identify (some) molecules/factors involved in the acquisition of a tolerogenic DC phenotype as well as the underlying mechanisms of their regulatory function on different immune cell populations.
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Affiliation(s)
- Barbara Seliger
- Institute for Medical Immunology, Martin Luther University Halle-Wittenberg , Halle (Saale) , Germany
| | - Chiara Massa
- Institute for Medical Immunology, Martin Luther University Halle-Wittenberg , Halle (Saale) , Germany
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46
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Kuroda E, Coban C, Ishii KJ. Particulate adjuvant and innate immunity: past achievements, present findings, and future prospects. Int Rev Immunol 2013; 32:209-20. [PMID: 23570316 PMCID: PMC3632271 DOI: 10.3109/08830185.2013.773326] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Particulates and crystals stimulate the immune system to induce inflammatory responses. Several nanometer- to micrometer-sized particulates, such as particle matter 2.5 (PM2.5), diesel particles, and sand dust, induce pulmonary inflammation and allergic asthma. Conversely, nanometer- to micrometer-sized crystal, sphere, and hydrogel forms of aluminum salts (referred to as “alum”) have been used as vaccine adjuvants to enhance antibody responses in animals and humans. Although most of these particulates induce type-2 immune responses in vivo, the molecular and immunological mechanisms of action as a vaccine adjuvant are poorly understood. In this review, recent advances in particulate adjuvant research from the standpoint of innate immune responses are discussed.
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Affiliation(s)
- Etsushi Kuroda
- Laboratory of Vaccine Science, WPI Immunology Frontier Research Center (IFReC), Osaka University, Suita, Osaka, Japan
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47
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Mason KL, Rogers LM, Soares EM, Bani-Hashemi T, Erb Downward J, Agnew D, Peters-Golden M, Weinberg JB, Crofford LJ, Aronoff DM. Intrauterine group A streptococcal infections are exacerbated by prostaglandin E2. THE JOURNAL OF IMMUNOLOGY 2013; 191:2457-65. [PMID: 23913961 DOI: 10.4049/jimmunol.1300786] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Streptococcus pyogenes (Group A Streptococcus; GAS) is a major cause of severe postpartum sepsis, a re-emerging cause of maternal morbidity and mortality worldwide. Immunological alterations occur during pregnancy to promote maternofetal tolerance, which may increase the risk for puerperal infection. PGE2 is an immunomodulatory lipid that regulates maternofetal tolerance, parturition, and innate immunity. The extent to which PGE2 regulates host immune responses to GAS infections in the context of endometritis is unknown. To address this, both an in vivo mouse intrauterine (i.u.) GAS infection model and an in vitro human macrophage-GAS interaction model were used. In C57BL/6 mice, i.u. GAS inoculation resulted in local and systemic inflammatory responses and triggered extensive changes in the expression of eicosanoid pathway genes. The i.u. administration of PGE2 increased the mortality of infected mice, suppressed local IL-6 and IL-17A levels, enhanced neutrophilic inflammation, reduced uterine macrophage populations, and increased bacterial dissemination. A role for endogenous PGE2 in the modulation of antistreptococcal host defense was suggested, because mice lacking the genes encoding the microsomal PGE2 synthase-1 or the EP2 receptor were protected from death, as were mice treated with the EP4 receptor antagonist, GW627368X. PGE2 also regulated GAS-macrophage interactions. In GAS-infected human THP-1 (macrophage-like) cells, PGE2 inhibited the production of MCP-1 and TNF-α while augmenting IL-10 expression. PGE2 also impaired the phagocytic ability of human placental macrophages, THP-1 cells, and mouse peritoneal macrophages in vitro. Exploring the targeted disruption of PGE2 synthesis and signaling to optimize existing antimicrobial therapies against GAS may be warranted.
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Affiliation(s)
- Katie L Mason
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI 48109, USA
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48
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Hostmann A, Kapp K, Beutner M, Ritz JP, Loddenkemper C, Ignatius R, Duchmann R, Daum S, Gröne J, Hotz H, Buhr HJ, Zeitz M, Ullrich R. Dendritic cells from human mesenteric lymph nodes in inflammatory and non-inflammatory bowel diseases: subsets and function of plasmacytoid dendritic cells. Immunology 2013; 139:100-8. [PMID: 23278129 DOI: 10.1111/imm.12060] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Revised: 12/17/2012] [Accepted: 12/19/2012] [Indexed: 12/23/2022] Open
Abstract
Plasmacytoid dendritic cells (pDC) in mesenteric lymph nodes (MLN) may be important regulators of both inflammatory and non-inflammatory mucosal immune responses but human studies are rare. Here we compare pDC from human MLN and peripheral blood (PB) by phenotype and function. MLN from patients with or without inflammatory bowel disease (IBD) undergoing colon surgery and PB from patients with IBD and from controls were used to isolate mononuclear cells. The pDC were analysed by flow cytometry for the expression of CD40, CD80, CD83, CD86, CCR6, CCR7, CX3CR1, CD103 and HLA-DR. Purified pDC from MLN and PB were stimulated with staphylococcus enterotoxin B (SEB), CpG-A, interleukin-3 (IL-3), SEB + IL-3, CpG-A + IL-3 or left unstimulated, and cultured alone or with purified allogeneic CD4(+) CD45RA(+) HLA-DR- T cells. Subsequently, concentrations of IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-17, interferon-α (IFN-α), IFN-γ and tumour necrosis factor-α (TNF-α) in culture supernatants were determined by multiplex bead array. The PB pDC from IBD patients exhibited an activated and matured phenotype whereas MLN pDC and control PB pDC were less activated. CpG-A and CpG-A + IL-3-stimulated MLN pDC secreted less IL-6 and TNF-α compared with PB pDC from controls. Compared with co-cultures of naive CD4 T cells with PB pDC, co-cultures with MLN pDC contained more IL-2, IL-10 and IFN-γ when stimulated with SEB and SEB + IL-3, and less IFN-α when stimulated with CpG-A. MLN pDC differ phenotypically from PB pDC and their pattern of cytokine secretion and may contribute to specific outcomes of mucosal immune reactions.
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Affiliation(s)
- Arwed Hostmann
- Medizinische Klinik I (Gastroenterologie, Infektiologie, Rheumatologie), Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany.
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49
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Konya V, Marsche G, Schuligoi R, Heinemann A. E-type prostanoid receptor 4 (EP4) in disease and therapy. Pharmacol Ther 2013; 138:485-502. [PMID: 23523686 PMCID: PMC3661976 DOI: 10.1016/j.pharmthera.2013.03.006] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 03/07/2013] [Indexed: 01/06/2023]
Abstract
The large variety of biological functions governed by prostaglandin (PG) E2 is mediated by signaling through four distinct E-type prostanoid (EP) receptors. The availability of mouse strains with genetic ablation of each EP receptor subtype and the development of selective EP agonists and antagonists have tremendously advanced our understanding of PGE2 as a physiologically and clinically relevant mediator. Moreover, studies using disease models revealed numerous conditions in which distinct EP receptors might be exploited therapeutically. In this context, the EP4 receptor is currently emerging as most versatile and promising among PGE2 receptors. Anti-inflammatory, anti-thrombotic and vasoprotective effects have been proposed for the EP4 receptor, along with its recently described unfavorable tumor-promoting and pro-angiogenic roles. A possible explanation for the diverse biological functions of EP4 might be the multiple signaling pathways switched on upon EP4 activation. The present review attempts to summarize the EP4 receptor-triggered signaling modules and the possible therapeutic applications of EP4-selective agonists and antagonists.
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Key Words
- ampk, amp-activated protein kinase
- camp, cyclic adenylyl monophosphate
- cftr, cystic fibrosis transmembrane conductance regulator
- clc, chloride channel
- cox, cyclooxygenase
- creb, camp-response element-binding protein
- dp, d-type prostanoid receptor
- dss, dextran sodium sulfate
- egfr, epidermal growth factor receptor
- enos, endothelial nitric oxide synthase
- ep, e-type prostanoid receptor
- epac, exchange protein activated by camp
- eprap, ep4 receptor-associated protein
- erk, extracellular signal-regulated kinase
- fem1a, feminization 1 homolog a
- fp, f-type prostanoid receptor
- grk, g protein-coupled receptor kinase
- 5-hete, 5-hydroxyeicosatetraenoic acid
- icer, inducible camp early repressor
- icam-1, intercellular adhesion molecule-1
- ig, immunoglobulin
- il, interleukin
- ifn, interferon
- ip, i-type prostanoid receptor
- lps, lipopolysaccharide
- map, mitogen-activated protein kinase
- mcp, monocyte chemoattractant protein
- mek, map kinase kinase
- nf-κb, nuclear factor kappa-light-chain-enhancer of activated b cells
- nsaid, non-steroidal anti-inflammatory drug
- pg, prostaglandin
- pi3k, phosphatidyl insositol 3-kinase
- pk, protein kinase
- tp, t-type prostanoid receptor
- tx, thromboxane receptor
- prostaglandins
- inflammation
- vascular disease
- cancerogenesis
- renal function
- osteoporosis
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Affiliation(s)
| | | | | | - Akos Heinemann
- Institute of Experimental and Clinical Pharmacology, Medical University of Graz, Austria
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50
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Saei A, Hadjati J. Tolerogenic dendritic cells: key regulators of peripheral tolerance in health and disease. Int Arch Allergy Immunol 2013; 161:293-303. [PMID: 23689518 DOI: 10.1159/000350328] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Dendritic cells (DCs) as professional antigen-presenting cells are able to induce immunity and tolerance in different conditions, which leads to strong immune responses against hostile agents or tolerance to self-antigens. Although for subsets of DCs, a regulatory function has been shown, the role of the microenvironment is momentous to generate tolerogenic DCs (tDCs). Different microorganisms and tumor cells escape from immune responses by producing mediators and components that influence DCs to show tolerogenic characteristics. In this review, tDC induction was explained in steady state and disease conditions. Moreover, an overview was presented on the efforts to generate in vitro tDCs, their clinical applications and the problems which remain to be solved in this field.
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Affiliation(s)
- Azad Saei
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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