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Moreno-Córdova V, Berra-Romani R, Flores Mendoza LK, Reyes-Leyva J. Th17 Lymphocytes in Children with Asthma: Do They Influence Control? PEDIATRIC ALLERGY, IMMUNOLOGY, AND PULMONOLOGY 2021; 34:147-152. [PMID: 34958246 PMCID: PMC8817680 DOI: 10.1089/ped.2021.0067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 10/22/2021] [Indexed: 06/14/2023]
Abstract
Background: Allergic asthma was considered as an inflammation mediated by specific CD4+ helper lymphocytes (Th2); however, this paradigm changed in 2005, when a third group of helper cells called Th17 cells were identified. Th17 lymphocytes are the main source of interleukin (IL)-17A-F, IL-21, and IL-22; however, their physiological role in children is unclear. This study aimed to determine the percentage of Th17 cells and IL-17A in pediatric patients diagnosed with asthma and to associate it with disease control using a validated questionnaire. Methods: This cross-sectional, prospective, comparative study included 92 asthma-diagnosed children 4-18 years of age. The Asthma Control Test was used as an assessment measure to classify patients as controlled (n = 30), partially controlled (n = 31), and uncontrolled (n = 31). Th17 cells and IL-17A were analyzed by flow cytometry. Patients receiving inhaled steroid therapy as monotherapy or associated with a long-acting bronchodilator were included. Results: The mean percentage of Th17 cells in the participants was 4.55 ± 7.34 (Controlled), 5.50 ± 8.09 (Partially Controlled), and 6.14 ± 7.11 (Uncontrolled). There was no significant difference between the 3 groups (P = 0.71). The mean percentage of IL-17A in all the participants was 9.84 ± 9.4 (Controlled), 10.10 ± 10.5 (Partially Controlled), and 11.42 ± 8.96 (Uncontrolled); no significant difference between the 3 groups (P = 0.79) was observed. Th17 lymphocyte levels were similar among the 3 groups and the same trend was observed with IL-17A. A significant correlation between Th17 or IL-17A and the degree of asthma control (Th17, P = 0.24; IL-17A, P = 0.23) was not found. Conclusions: The percentages of both Th17 lymphocytes and IL-17A found in children with asthma were not significantly different in the 3 groups, which suggests that they do not play an important role in asthma control. Our findings may contribute to the knowledge related to non-Th2 inflammation in children. Clinical-Trials.gov ID: 2015-2102-85.
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Affiliation(s)
- Verónica Moreno-Córdova
- Department of Pediatric Pulmonology, Instituto Mexicano del Seguro Social (IMSS) Centro Médico Nacional “Manuel Ávila Camacho” Puebla, Puebla, México
| | - Roberto Berra-Romani
- Department of Biomedicine, School of Medicine, Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - Lilian K. Flores Mendoza
- Clinical and Research Laboratory (LACIUS, URS), Department of Chemical, Biological, and Agricultural Sciences (DC-QB), Division of Sciences and Engineering, University of Sonora, Navojoa, México
| | - Julio Reyes-Leyva
- Centro de Investigación Biomédica de Oriente (CIBIOR), Instituto Mexicano del Seguro Social (IMSS), Puebla, México
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52
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Teng F, Tachó-Piñot R, Sung B, Farber DL, Worgall S, Hammad H, Lambrecht BN, Hepworth MR, Sonnenberg GF. ILC3s control airway inflammation by limiting T cell responses to allergens and microbes. Cell Rep 2021; 37:110051. [PMID: 34818549 PMCID: PMC8635287 DOI: 10.1016/j.celrep.2021.110051] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/28/2021] [Accepted: 11/02/2021] [Indexed: 02/06/2023] Open
Abstract
Group 3 innate lymphoid cells (ILC3s) critically regulate host-microbe
interactions in the gastrointestinal tract, but their role in the airway remains
poorly understood. Here, we demonstrate that lymphoid-tissue-inducer (LTi)-like
ILC3s are enriched in the lung-draining lymph nodes of healthy mice and humans.
These ILC3s abundantly express major histocompatibility complex class II (MHC
class II) and functionally restrict the expansion of allergen-specific
CD4+ T cells upon experimental airway challenge. In a mouse model
of house-dust-mite-induced allergic airway inflammation, MHC class
II+ ILC3s limit T helper type 2 (Th2) cell responses,
eosinophilia, and airway hyperresponsiveness. Furthermore, MHC class
II+ ILC3s limit a concomitant Th17 cell response and airway
neutrophilia. This exacerbated Th17 cell response requires exposure of the lung
to microbial stimuli, which can be found associated with house dust mites. These
findings demonstrate a critical role for antigen-presenting ILC3s in
orchestrating immune tolerance in the airway by restricting pro-inflammatory T
cell responses to both allergens and microbes. In this study, Teng et al. demonstrate that an innate immune cell type,
ILC3, is enriched in the lung draining lymph node of healthy humans and mice and
functions to limit airway inflammation through antigen presentation and control
of T cell responses directed against allergens or microbes.
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Affiliation(s)
- Fei Teng
- Joan and Sanford I. Weill Department of Medicine, Division of Gastroenterology, Weill Cornell Medicine, Cornell University, New York, NY, USA; Department of Microbiology and Immunology, Weill Cornell Medicine, Cornell University, New York, NY, USA; Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, NY, USA
| | - Roser Tachó-Piñot
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK; Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Biin Sung
- Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA
| | - Donna L Farber
- Columbia Center for Translational Immunology and Departments of Surgery and Microbiology and Immunology, Columbia University Medical Center, New York, New York, USA
| | - Stefan Worgall
- Department of Pediatrics, Weill Cornell Medicine, New York, New York, USA; Department of Genetic Medicine, Weill Cornell Medicine, New York, New York, USA; Drukier Institute for Children's Health, Weill Cornell Medicine, New York, New York, USA
| | - Hamida Hammad
- Laboratory of Immunoregulation and Mucosal Immunology, VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Bart N Lambrecht
- Laboratory of Immunoregulation and Mucosal Immunology, VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium; Department of Pulmonary Medicine, Erasmus University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Matthew R Hepworth
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK; Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.
| | - Gregory F Sonnenberg
- Joan and Sanford I. Weill Department of Medicine, Division of Gastroenterology, Weill Cornell Medicine, Cornell University, New York, NY, USA; Department of Microbiology and Immunology, Weill Cornell Medicine, Cornell University, New York, NY, USA; Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, NY, USA.
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53
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Gevenois PJLY, De Pauw P, Schoonooghe S, Delporte C, Sebti T, Amighi K, Muyldermans S, Wauthoz N. Development of Neutralizing Multimeric Nanobody Constructs Directed against IL-13: From Immunization to Lead Optimization. THE JOURNAL OF IMMUNOLOGY 2021; 207:2608-2620. [PMID: 34645688 DOI: 10.4049/jimmunol.2100250] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 09/16/2021] [Indexed: 11/19/2022]
Abstract
IL-13 is a pleiotropic cytokine mainly secreted by Th2 cells. It reacts with many different types of cells involved in allergy, inflammation, and fibrosis, e.g., mastocytes, B cells, and fibroblasts. The role of IL-13 in conditions involving one or several of these phenotypes has therefore been extensively investigated. The inhibition of this cytokine in animal models for various pathologies yielded highly promising results. However, most human trials relying on anti-IL-13 conventional mAbs have failed to achieve a significant improvement of the envisaged disorders. Where some studies might have suffered from several weaknesses, the strategies themselves, such as targeting only IL-13 using conventional mAbs or employing a systemic administration, could be questioned. Nanobodies are recombinant Ag-binding fragments derived from the variable part of H chain-only Abs occurring in Camelidae. Thanks to their single-domain structure, small size (≈15 kDa), good stability, and solubility, they can be engineered into multispecific constructs for combined therapies or for use in new strategies such as formulations for local administration, e.g., pulmonary administration. In this study, we describe the generation of 38 nanobodies that can be subdivided into five CDR3 families. Nine nanobodies were found to have a good affinity profile (KD = 1-200 nM), but none were able to strongly inhibit IL-13 biological activity in vitro (IC50 > 50 µM: HEK-Blue IL-13/IL-4 cells). Multimeric constructs were therefore designed from these inhibitors and resulted in an up to 36-fold improvement in affinity and up to 300-fold enhancement of the biological activity while conserving a high specificity toward IL-13.
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Affiliation(s)
- Philippe J-L Y Gevenois
- Unit of Pharmaceutics and Biopharmaceutics, Free University of Brussels, Faculty of Pharmacy, Brussels, Belgium;
| | - Pieter De Pauw
- Laboratory of Cellular and Molecular Immunology, Free University of Brussels, Ixelles, Belgium
| | - Steve Schoonooghe
- Flemish Institute for Biotechnology Nanobody Core, Free University of Brussels, Brussels, Belgium
| | - Cédric Delporte
- Unit of Pharmacognosy, Bioanalysis and Drug Discovery, RD3 and Analytical Platform of the Faculty of Pharmacy, Free University of Brussels, Brussels, Belgium; and
| | | | - Karim Amighi
- Unit of Pharmaceutics and Biopharmaceutics, Free University of Brussels, Faculty of Pharmacy, Brussels, Belgium
| | - Serge Muyldermans
- Laboratory of Cellular and Molecular Immunology, Free University of Brussels, Ixelles, Belgium
| | - Nathalie Wauthoz
- Unit of Pharmaceutics and Biopharmaceutics, Free University of Brussels, Faculty of Pharmacy, Brussels, Belgium
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54
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Caslin HL, Abebayehu D, Pinette JA, Ryan JJ. Lactate Is a Metabolic Mediator That Shapes Immune Cell Fate and Function. Front Physiol 2021; 12:688485. [PMID: 34733170 PMCID: PMC8558259 DOI: 10.3389/fphys.2021.688485] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 09/22/2021] [Indexed: 12/12/2022] Open
Abstract
Lactate and the associated H+ ions are still introduced in many biochemistry and general biology textbooks and courses as a metabolic by-product within fast or oxygen-independent glycolysis. However, the role of lactate as a fuel source has been well-appreciated in the field of physiology, and the role of lactate as a metabolic feedback regulator and distinct signaling molecule is beginning to gain traction in the field of immunology. We now know that while lactate and the associated H+ ions are generally immunosuppressive negative regulators, there are cell, receptor, mediator, and microenvironment-specific effects that augment T helper (Th)17, macrophage (M)2, tumor-associated macrophage, and neutrophil functions. Moreover, we are beginning to uncover how lactate and H+ utilize different transporters and signaling cascades in various immune cell types. These immunomodulatory effects may have a substantial impact in cancer, sepsis, autoimmunity, wound healing, and other immunomodulatory conditions with elevated lactate levels. In this article, we summarize the known effects of lactate and H+ on immune cells to hypothesize potential explanations for the divergent inflammatory vs. anti-inflammatory effects.
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Affiliation(s)
- Heather L Caslin
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, United States.,Department of Biology, Virginia Commonwealth University, Richmond, VA, United States
| | - Daniel Abebayehu
- Department of Biology, Virginia Commonwealth University, Richmond, VA, United States.,Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, United States
| | - Julia A Pinette
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, United States
| | - John J Ryan
- Department of Biology, Virginia Commonwealth University, Richmond, VA, United States
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55
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Nikolskii AA, Shilovskiy IP, Barvinskaia ED, Korneev AV, Sundukova MS, Khaitov MR. Role of STAT3 Transcription Factor in Pathogenesis of Bronchial Asthma. BIOCHEMISTRY. BIOKHIMIIA 2021; 86:1489-1501. [PMID: 34906042 DOI: 10.1134/s0006297921110122] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 09/21/2021] [Accepted: 10/12/2021] [Indexed: 06/14/2023]
Abstract
Bronchial asthma is a heterogeneous chronic inflammatory disease of airways. The studies of molecular and cellular mechanisms of bronchial asthma have established that a wide range of immune (T and B cells, eosinophils, neutrophils, macrophages, etc.) and structural (epithelial and endothelial) cells are involved in its pathogenesis. These cells are activated in response to external stimuli (bacteria, viruses, allergens, and other pollutants) and produce pro-inflammatory factors (cytokines, chemokines, metalloproteinases, etc.), which ultimately leads to the initiation of pathological processes in the lungs. Genes encoding transcription factors of the STAT family (signal transducer and activator of transcription), that includes seven representatives, are involved in the cell activation. Recent studies have shown that the transcription factor STAT3 plays an important role in the activation of the abovementioned cells, thus contributing to the development of asthma. In animal studies, selective inhibition of STAT3 significantly reduces the severity of lung inflammation, which indicates its potential as a therapeutic target. In this review, we describe the mechanisms of STAT3 activation and its role in polarization of Th2/Th17 cells and M2 macrophages, as well as in the dysfunction of endothelial cells, which ultimately leads to development of bronchial asthma symptoms, such as infiltration of neutrophils and eosinophils into the lungs, bronchial hyperreactivity, and the respiratory tract remodeling.
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Affiliation(s)
- Aleksandr A Nikolskii
- National Research Center - Institute of Immunology Federal Medical-Biological Agency of Russia, Moscow, 115522, Russia
| | - Igor P Shilovskiy
- National Research Center - Institute of Immunology Federal Medical-Biological Agency of Russia, Moscow, 115522, Russia.
| | - Ekaterina D Barvinskaia
- National Research Center - Institute of Immunology Federal Medical-Biological Agency of Russia, Moscow, 115522, Russia
| | - Artem V Korneev
- National Research Center - Institute of Immunology Federal Medical-Biological Agency of Russia, Moscow, 115522, Russia
| | - Maria S Sundukova
- National Research Center - Institute of Immunology Federal Medical-Biological Agency of Russia, Moscow, 115522, Russia
| | - Musa R Khaitov
- National Research Center - Institute of Immunology Federal Medical-Biological Agency of Russia, Moscow, 115522, Russia
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56
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Xiang L, Meng X. Emerging cellular and molecular interactions between the lung microbiota and lung diseases. Crit Rev Microbiol 2021; 48:577-610. [PMID: 34693852 DOI: 10.1080/1040841x.2021.1992345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
With the discovery of the lung microbiota, its study in both pulmonary health and disease has become a vibrant area of emerging research interest. Thus far, most studies have described the lung microbiota composition in lung disease quite well, and some of these studies indicated alterations in lung microbial communities related to the onset and development of lung disease and vice versa. However, the underlying mechanisms, particularly the cellular and molecular links, are still largely unknown. In this review, we highlight the current progress in the complex cellular and molecular mechanisms by which the lung microbiome interacts with immune homeostasis and pulmonary disease pathogenesis to advance our understanding of the elaborate function of the lung microbiota in lung disease. We hope that this work can attract more attention to this still-young yet very promising field to facilitate the identification of new therapeutic targets and provide more innovative therapies. Additional accurate standard-based methodologies and technological breakthroughs are critical to propel the field forward to ultimately achieve the goal of maintaining respiratory health.
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Affiliation(s)
- Li Xiang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xianli Meng
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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57
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Baker JR, Rasky AJ, Landers JJ, Janczak KW, Totten TD, Lukacs NW, O’Konek JJ. Intranasal delivery of allergen in a nanoemulsion adjuvant inhibits allergen-specific reactions in mouse models of allergic airway disease. Clin Exp Allergy 2021; 51:1361-1373. [PMID: 33999457 PMCID: PMC11155263 DOI: 10.1111/cea.13903] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/16/2021] [Accepted: 05/07/2021] [Indexed: 12/01/2022]
Abstract
BACKGROUND Atopic diseases are an increasing problem that involve both immediate hypersensitivity reactions mediated by IgE and unique cellular inflammation. Many forms of specific immunotherapy involve the administration of allergen to suppress allergic immune responses but are focused on IgE-mediated reactions. In contrast, the effect of allergen-specific immunotherapy on allergic inflammation is complex, not entirely consistent and not well understood. We have previously demonstrated the ability of allergen administered in a nanoemulsion (NE) mucosal adjuvant to suppress IgE-mediated allergic responses and protect from allergen challenge in murine food allergy models. This activity was associated with decreases in allergen-specific IL-10 and reductions in allergic cytokines and increases in regulatory T cells. OBJECTIVE Here, we extend these studies to using 2 distinct models, the ovalbumin (OVA) and cockroach (CRA) models of allergic airway disease, which are based predominantly on allergic inflammation. METHODS Acute or chronic allergic airway disease was induced in mice using ovalbumin and cockroach allergen models. Mice received three therapeutic immunizations with allergen in NE, and reactivity to airway challenge was determined. RESULTS Therapeutic immunization with cockroach or OVA allergen in NE markedly reduced pathology after airway challenge. The 2 models demonstrated protection from allergen challenge-induced pathology that was associated with suppression of Th2-polarized immune responses in the lung. In addition, the reduction in ILC2 numbers in the lungs of allergic mice along with reduction in epithelial cell alarmins, IL-25 and IL-33, suggests an overall change in the lung immune environment induced by the NE immunization protocol. CONCLUSIONS AND CLINICAL RELEVANCE These results demonstrate that suppression of allergic airway inflammation and bronchial hyper-reactivity can be achieved using allergen-specific immunotherapy without significant reductions in allergen-specific IgE and suggest that ILC2 cells may be critical targets for this activity.
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Affiliation(s)
- James R. Baker
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI, USA
| | - Andrew J. Rasky
- Department of Pathology, University of Michigan, Ann Arbor, MI, USA
| | - Jeffrey J. Landers
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI, USA
| | | | - Tiffanie D. Totten
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI, USA
| | - Nicholas W. Lukacs
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI, USA
- Department of Pathology, University of Michigan, Ann Arbor, MI, USA
| | - Jessica J. O’Konek
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI, USA
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58
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Zhang XY, Chen ZC, Li N, Wang ZH, Guo YL, Tian CJ, Cheng DJ, Tang XY, Zhang LX. Exosomal transfer of activated neutrophil-derived lncRNA CRNDE promotes proliferation and migration of airway smooth muscle cells in asthma. Hum Mol Genet 2021; 31:638-650. [PMID: 34590683 DOI: 10.1093/hmg/ddab283] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/06/2021] [Accepted: 09/20/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Activated neutrophil-derived exosomes reportedly contribute to the proliferation of airway smooth muscle cells (ASMCs), thereby aggravating the airway wall remodeling during asthma; however, the specific mechanism remains unclear. METHODS Lipopolysaccharide (LPS)-EXO and si-CRNDE-EXO were extracted from the media of human neutrophils treated with LPS and LPS + si-CRNDE (a siRNA targets long non-coding RNA CRNDE), respectively. Human ASMCs were co-cultured with LPS-EXO or si-CRNDE-EXO, and cell viability, proliferation, and migration were measured. The interplay of CRNDE, inhibitor of nuclear factor kappa B kinase subunit beta (IKKβ), and nuclear receptor subfamily 2 group C member 2 (TAK1) was explored using RNA immunoprecipitation (RIP) and Co-IP assays. A mouse model of asthma was induced using ovalbumin. RESULTS CRNDE was upregulated in LPS-EXO and successfully transferred from LPS-treated neutrophils to ASMCs through exosome. Mechanically, CRNDE loaded in LPS-EXO reinforced TAK1-mediated IKKβ phosphorylation, thereby activating the nuclear factor kappa B (NF-κB) pathway. Functionally, silencing CRNDE in LPS-EXO, an IKKβ inhibitor, and an NF-κB inhibitor all removed the upregulation of cell viability, proliferation, and migration induced by LPS-EXO in ASMCs. In the end, the in vivo experiment demonstrated that CRNDE knockdown in neutrophils effectively reduced the thickness of bronchial smooth muscle in a mouse model for asthma. CONCLUSION Activated neutrophils-derived CRNDE was transferred to ASMCs through exosomes and activated the NF-κB pathway by enhancing IKKβ phosphorylation. The latter promoted the proliferation and migration of ASMCs and then contributed to airway remodeling in asthma.
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Affiliation(s)
- Xiao-Yu Zhang
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Zhuo-Chang Chen
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Nan Li
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Zhi-Hua Wang
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Ya-Li Guo
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Cui-Jie Tian
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Dong-Jun Cheng
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Xue-Yi Tang
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
| | - Luo-Xian Zhang
- Department of Respiratory Disease and Intensive Care, Henan Provincial People's Hospital.,Department of Respiratory Disease and Intensive Care, People's Hospital Affiliated to Zhengzhou University
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59
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Platelets, Not an Insignificant Player in Development of Allergic Asthma. Cells 2021; 10:cells10082038. [PMID: 34440807 PMCID: PMC8391764 DOI: 10.3390/cells10082038] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/26/2021] [Accepted: 08/06/2021] [Indexed: 12/16/2022] Open
Abstract
Allergic asthma is a chronic and heterogeneous pulmonary disease in which platelets can be activated in an IgE-mediated pathway and migrate to the airways via CCR3-dependent mechanism. Activated platelets secrete IL-33, Dkk-1, and 5-HT or overexpress CD40L on the cell surfaces to induce Type 2 immune response or interact with TSLP-stimulated myeloid DCs through the RANK-RANKL-dependent manner to tune the sensitization stage of allergic asthma. Additionally, platelets can mediate leukocyte infiltration into the lungs through P-selectin-mediated interaction with PSGL-1 and upregulate integrin expression in activated leukocytes. Platelets release myl9/12 protein to recruit CD4+CD69+ T cells to the inflammatory sites. Bronchoactive mediators, enzymes, and ROS released by platelets also contribute to the pathogenesis of allergic asthma. GM-CSF from platelets inhibits the eosinophil apoptosis, thus enhancing the chronic inflammatory response and tissue damage. Functional alterations in the mitochondria of platelets in allergic asthmatic lungs further confirm the role of platelets in the inflammation response. Given the extensive roles of platelets in allergic asthma, antiplatelet drugs have been tested in some allergic asthma patients. Therefore, elucidating the role of platelets in the pathogenesis of allergic asthma will provide us with new insights and lead to novel approaches in the treatment of this disease.
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60
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Zein JG, McManus JM, Sharifi N, Erzurum SC, Marozkina N, Lahm T, Giddings O, Davis MD, DeBoer MD, Comhair SA, Bazeley P, Kim HJ, Busse W, Calhoun W, Castro M, Chung KF, Fahy JV, Israel E, Jarjour NN, Levy BD, Mauger DT, Moore WC, Ortega VE, Peters M, Bleecker ER, Meyers DA, Zhao Y, Wenzel SE, Gaston B. Benefits of Airway Androgen Receptor Expression in Human Asthma. Am J Respir Crit Care Med 2021; 204:285-293. [PMID: 33779531 DOI: 10.1164/rccm.202009-3720oc] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale: Androgens are potentially beneficial in asthma, but AR (androgen receptor) has not been studied in human airways.Objectives: To measure whether AR and its ligands are associated with human asthma outcomes.Methods: We compared the effects of AR expression on lung function, symptom scores, and fractional exhaled nitric oxide (FeNO) in adults enrolled in SARP (Severe Asthma Research Program). The impact of sex and of androgens on asthma outcomes was also evaluated in the SARP with validation studies in the Cleveland Clinic Health System and the NHANES (U.S. National Health and Nutrition Examination Survey).Measurements and Main Results: In SARP (n = 128), AR gene expression from bronchoscopic epithelial brushings was positively associated with both FEV1/FVC ratio (R2 = 0.135, P = 0.0002) and the total Asthma Quality of Life Questionnaire score (R2 = 0.056, P = 0.016) and was negatively associated with FeNO (R2 = 0.178, P = 9.8 × 10-6) and NOS2 (nitric oxide synthase gene) expression (R2 = 0.281, P = 1.2 × 10-10). In SARP (n = 1,659), the Cleveland Clinic Health System (n = 32,527), and the NHANES (n = 2,629), women had more asthma exacerbations and emergency department visits than men. The levels of the AR ligand precursor dehydroepiandrosterone sulfate correlated positively with the FEV1 in both women and men.Conclusions: Higher bronchial AR expression and higher androgen levels are associated with better lung function, fewer symptoms, and a lower FeNO in human asthma. The role of androgens should be considered in asthma management.
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Affiliation(s)
- Joe G Zein
- Lerner Research Institute and.,Respiratory Institute, Cleveland Clinic, Cleveland, Ohio
| | | | | | - Serpil C Erzurum
- Lerner Research Institute and.,Respiratory Institute, Cleveland Clinic, Cleveland, Ohio
| | | | | | | | | | - Mark D DeBoer
- Department of Pediatrics, University of Virginia, Charlottesville, Virginia
| | - Suzy A Comhair
- Lerner Research Institute and.,Respiratory Institute, Cleveland Clinic, Cleveland, Ohio
| | - Peter Bazeley
- Lerner Research Institute and.,Respiratory Institute, Cleveland Clinic, Cleveland, Ohio
| | - Hyun Jo Kim
- Department of Systems Biology and Bioinformatics, Case Western Reserve University, Cleveland, Ohio
| | - William Busse
- Department of Medicine, School of Medicine, University of Wisconsin, Madison, Wisconsin
| | - William Calhoun
- Department of Medicine, University of Texas Medical Branch, University of Texas, Galveston, Texas
| | - Mario Castro
- Division of Pulmonary, Critical Care, and Sleep Medicine, School of Medicine, University of Kansas, Kansas City, Kansas
| | - Kian Fan Chung
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - John V Fahy
- Division of Pulmonary, Critical Care, and Sleep Medicine, School of Medicine, University of Kansas, Kansas City, Kansas.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California at San Francisco, San Francisco, California
| | - Elliot Israel
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital and Harvard Medical School, Harvard University, Boston, Massachusetts
| | - Nizar N Jarjour
- Department of Medicine, School of Medicine, University of Wisconsin, Madison, Wisconsin
| | - Bruce D Levy
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital and Harvard Medical School, Harvard University, Boston, Massachusetts
| | - David T Mauger
- Center for Biostatistics and Epidemiology, School of Medicine, Pennsylvania State University, Hershey, Pennsylvania
| | - Wendy C Moore
- Section on Pulmonary, Critical Care, Allergic, and Immunologic Disease, Department of Internal Medicine, School of Medicine, Wake Forest University, Winston-Salem, North Carolina
| | - Victor E Ortega
- Section on Pulmonary, Critical Care, Allergic, and Immunologic Disease, Department of Internal Medicine, School of Medicine, Wake Forest University, Winston-Salem, North Carolina
| | - Michael Peters
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California at San Francisco, San Francisco, California
| | - Eugene R Bleecker
- Division of Genetics, Genomics, and Precision Medicine, Department of Medicine, University of Arizona, Tucson, Arizona; and
| | - Deborah A Meyers
- Division of Genetics, Genomics, and Precision Medicine, Department of Medicine, University of Arizona, Tucson, Arizona; and
| | - Yi Zhao
- Department of Biostatistics and Health Science Data, School of Medicine, Indiana University, Indianapolis, Indiana
| | - Sally E Wenzel
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
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Ondari E, Calvino-Sanles E, First NJ, Gestal MC. Eosinophils and Bacteria, the Beginning of a Story. Int J Mol Sci 2021; 22:8004. [PMID: 34360770 PMCID: PMC8347986 DOI: 10.3390/ijms22158004] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/16/2021] [Accepted: 07/23/2021] [Indexed: 12/17/2022] Open
Abstract
Eosinophils are granulocytes primarily associated with TH2 responses to parasites or immune hyper-reactive states, such as asthma, allergies, or eosinophilic esophagitis. However, it does not make sense from an evolutionary standpoint to maintain a cell type that is only specific for parasitic infections and that otherwise is somehow harmful to the host. In recent years, there has been a shift in the perception of these cells. Eosinophils have recently been recognized as regulators of immune homeostasis and suppressors of over-reactive pro-inflammatory responses by secreting specific molecules that dampen the immune response. Their role during parasitic infections has been well investigated, and their versatility during immune responses to helminths includes antigen presentation as well as modulation of T cell responses. Although it is known that eosinophils can present antigens during viral infections, there are still many mechanistic aspects of the involvement of eosinophils during viral infections that remain to be elucidated. However, are eosinophils able to respond to bacterial infections? Recent literature indicates that Helicobacter pylori triggers TH2 responses mediated by eosinophils; this promotes anti-inflammatory responses that might be involved in the long-term persistent infection caused by this pathogen. Apparently and on the contrary, in the respiratory tract, eosinophils promote TH17 pro-inflammatory responses during Bordetella bronchiseptica infection, and they are, in fact, critical for early clearance of bacteria from the respiratory tract. However, eosinophils are also intertwined with microbiota, and up to now, it is not clear if microbiota regulates eosinophils or vice versa, or how this connection influences immune responses. In this review, we highlight the current knowledge of eosinophils as regulators of pro and anti-inflammatory responses in the context of both infection and naïve conditions. We propose questions and future directions that might open novel research avenues in the future.
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Affiliation(s)
| | | | | | - Monica C. Gestal
- LSU Health, Department of Microbiology and Immunology, Louisiana State University (LSU), Shreveport, LA 71103, USA; (E.O.); (E.C.-S.); (N.J.F.)
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Lou TL, Ji T, Peng X, Ji WW, Yuan LX, Wang J, Li SM, Zhang S, Shi QY. Extract From Tetrastigma hemsleyanum Leaf Alleviates Pseudomonas aeruginosa Lung Infection: Network Pharmacology Analysis and Experimental Evidence. Front Pharmacol 2021; 12:587850. [PMID: 34349638 PMCID: PMC8326761 DOI: 10.3389/fphar.2021.587850] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 06/21/2021] [Indexed: 01/22/2023] Open
Abstract
Tetrastigma hemsleyanum Diels & Gilg (T. hemsleyanum) has attracted much attention due to its ability on pneumonia, bronchitis, and immune-related diseases, while its functional components and underlying mechanism of action on pneumonia have not been fully elucidated. Herein, we used a systematic network pharmacology approach to explore the action mechanism of T. hemsleyanum leaf in the treatment of pneumonia. In this study, the results of network pharmacology demonstrated that there were 34 active components and 80 drug-disease targets in T. hemsleyanum leaf, which were strongly in connection with signal transduction, inflammatory response, and the oxidation-reduction process. Subsequently, a mouse model of pneumonia induced by Pseudomonas aeruginosa (P. aeruginosa) was established to validate the predicted results of network pharmacology. In the animal experiments, aqueous extract of T. hemsleyanum leaf (EFT) significantly attenuated the histopathological changes of lung tissue in P. aeruginosa-induced mice and reduced the number of bacterial colonies in BALFs by 96.84% (p < 0.01). Moreover, EFT treatment suppressed the increase of pro-inflammatory cytokines IL-17, IL-6, and TNF-α in lung tissues triggered by P. aeruginosa, which led to the increase of Th17 cells (p < 0.05). High concentration of EFT treatment (2.0 g/kg) obviously increased the anti-inflammatory cytokine levels, accompanied by the enhancement of Treg proportion in a dose-dependent manner and a notable reversal of transcription factor RORγt expression. These findings demonstrated that network pharmacology was a useful tool for TCM research, and the anti-inflammatory effect of EFT was achieved by maintaining Th17/Treg immune homeostasis and thereby suppressing the inflammatory immune response.
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Affiliation(s)
| | - Tao Ji
- Zhejiang Pharmaceutical College, Ningbo, China
| | - Xin Peng
- Food and Health Branch, Ningbo Research Institute of Zhejiang University, Ningbo, China
| | - Wei-Wei Ji
- Zhejiang Pharmaceutical College, Ningbo, China
| | - Li-Xia Yuan
- Zhejiang Pharmaceutical College, Ningbo, China
| | - Juan Wang
- Zhejiang Pharmaceutical College, Ningbo, China
| | - Shi-Min Li
- Zhejiang Pharmaceutical College, Ningbo, China
| | - Shun Zhang
- Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
| | - Qiao-Yun Shi
- Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, China
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N-Acetylcysteine Improves Inflammatory Response in COPD Patients by Regulating Th17/Treg Balance through Hypoxia Inducible Factor-1 α Pathway. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6372128. [PMID: 34258270 PMCID: PMC8260296 DOI: 10.1155/2021/6372128] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 06/17/2021] [Indexed: 12/02/2022]
Abstract
Introduction This study was aimed to investigate the effects of N-acetylcysteine (NAC) on chronic obstructive pulmonary disease (COPD) and the change of Th17/Treg cytokine imbalance. Material and Methods. A total of 121 patients with stable COPD at the stage of C or D were consecutively enrolled and randomly divided into 2 groups. Patients in the treatment group received NAC granules (0.2 g × 10 bags, 0.4 g each time, 3 times/d) for half a year. The control group was treated with the same amount of placebo therapy. The peripheral blood of the patient was collected and the cytokine, T lymphocyte subsets were detected. Results We found the oral administration of NAC could regulate Th17/Treg balance to resist inflammation in COPD patients. Serum testing showed that the proportion of Treg in CD4+ T cells has increased and the Th17/Treg ratio has decreased during the NAC treatment. In vitro studies, we found that NAC regulated Th17/Treg balance through Hypoxia Inducible Factor-1α pathway. Conclusions Our result could provide new diagnosis and treatment for elderly patients with COPD from the perspective of immunity ideas.
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Sex and Gender Differences in Lung Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1304:227-258. [PMID: 34019273 DOI: 10.1007/978-3-030-68748-9_14] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Sex differences in the anatomy and physiology of the respiratory system have been widely reported. These intrinsic sex differences have also been shown to modulate the pathophysiology, incidence, morbidity, and mortality of several lung diseases across the life span. In this chapter, we describe the epidemiology of sex differences in respiratory diseases including neonatal lung disease (respiratory distress syndrome, bronchopulmonary dysplasia) and pediatric and adult disease (including asthma, cystic fibrosis, idiopathic pulmonary fibrosis, chronic obstructive pulmonary disease, lung cancer, lymphangioleiomyomatosis, obstructive sleep apnea, pulmonary arterial hypertension, and respiratory viral infections such as respiratory syncytial virus, influenza, and SARS-CoV-2). We also discuss the current state of research on the mechanisms underlying the observed sex differences in lung disease susceptibility and severity and the importance of considering both sex and gender variables in research studies' design and analysis.
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65
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Reyes-García J, Montaño LM, Carbajal-García A, Wang YX. Sex Hormones and Lung Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1304:259-321. [PMID: 34019274 DOI: 10.1007/978-3-030-68748-9_15] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inflammation is a characteristic marker in numerous lung disorders. Several immune cells, such as macrophages, dendritic cells, eosinophils, as well as T and B lymphocytes, synthetize and release cytokines involved in the inflammatory process. Gender differences in the incidence and severity of inflammatory lung ailments including asthma, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (PF), lung cancer (LC), and infectious related illnesses have been reported. Moreover, the effects of sex hormones on both androgens and estrogens, such as testosterone (TES) and 17β-estradiol (E2), driving characteristic inflammatory patterns in those lung inflammatory diseases have been investigated. In general, androgens seem to display anti-inflammatory actions, whereas estrogens produce pro-inflammatory effects. For instance, androgens regulate negatively inflammation in asthma by targeting type 2 innate lymphoid cells (ILC2s) and T-helper (Th)-2 cells to attenuate interleukin (IL)-17A-mediated responses and leukotriene (LT) biosynthesis pathway. Estrogens may promote neutrophilic inflammation in subjects with asthma and COPD. Moreover, the activation of estrogen receptors might induce tumorigenesis. In this chapter, we summarize the most recent advances in the functional roles and associated signaling pathways of inflammatory cellular responses in asthma, COPD, PF, LC, and newly occurring COVID-19 disease. We also meticulously deliberate the influence of sex steroids on the development and progress of these common and severe lung diseases.
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Affiliation(s)
- Jorge Reyes-García
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico.,Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA
| | - Luis M Montaño
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico
| | - Abril Carbajal-García
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico
| | - Yong-Xiao Wang
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA.
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Rodriguez Bauza DE, Silveyra P. Asthma, atopy, and exercise: Sex differences in exercise-induced bronchoconstriction. Exp Biol Med (Maywood) 2021; 246:1400-1409. [PMID: 33794694 DOI: 10.1177/15353702211003858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Asthma is a chronic inflammatory lung disease affecting approximately 7.7% of the US population. Sex differences in the prevalence, incidence, and severity of asthma have been widely described throughout the lifespan, showing higher rates in boys than girls before puberty, but a reversed pattern in adults. Asthma is often associated with atopy, i.e. the tendency to develop allergic diseases, and can be worsened by environmental stimuli and/or exercise. While not exclusive to patients with asthma, exercise-induced bronchoconstriction (EIB) is a common complication of athletes and individuals who exercise regularly. Currently, there is limited research on sex differences in EIB and its relationship with atopy and asthma in men and women. In this minireview, we summarize the available literature on this topic. Overall, the collective knowledge supports the notion that physiological changes triggered during exercise affect males and females differently, suggesting an interaction among sex, exercise, sex hormones, and atopic status in the course of EIB pathophysiology. Understanding these differences is important to provide personalized management plans to men and women who exercise regularly and suffer from underlying asthma and/or atopy.
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Affiliation(s)
| | - Patricia Silveyra
- Biobehavioral Laboratory, The University of North Carolina at Chapel Hill, School of Nursing, Chapel Hill, NC 27599, USA.,Department of Environmental and Occupational Health, Indiana University School of Public Health, Bloomington, IN 47405, USA
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67
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Wang RX, Zhou M, Ma HL, Qiao YB, Li QS. The Role of Chronic Inflammation in Various Diseases and Anti-inflammatory Therapies Containing Natural Products. ChemMedChem 2021; 16:1576-1592. [PMID: 33528076 DOI: 10.1002/cmdc.202000996] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Indexed: 12/13/2022]
Abstract
Chronic inflammation represents a long-term reaction of the body's immune system to noxious stimuli. Such a sustained inflammatory response sometimes results in lasting damage to healthy tissues and organs. In fact, chronic inflammation is implicated in the development and progression of various diseases, including cardiovascular diseases, respiratory diseases, metabolic diseases, neurodegenerative diseases, and even cancers. Targeting nonresolving inflammation thus provides new opportunities for treating relevant diseases. In this review, we will go over several chronic inflammation-associated diseases first with emphasis on the role of inflammation in their pathogenesis. Then, we will summarize a number of natural products that exhibit therapeutic effects against those diseases by acting on different markers in the inflammatory response. We envision that natural products will remain a rich resource for the discovery of new drugs treating diseases associated with chronic inflammation.
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Affiliation(s)
- Ren-Xiao Wang
- Shanxi Key Laboratory of Innovative Drugs for the, Treatment of Serious Diseases Based on Chronic Inflammation, College of Traditional Chinese Medicines, Shanxi University of Chinese Medicine, Taiyuan, Shanxi, 030619, P. R. China.,Department of Medicinal Chemistry, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai, 201203, P. R. China
| | - Mi Zhou
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai, 201203, P. R. China
| | - Hui-Lai Ma
- Shanxi Key Laboratory of Innovative Drugs for the, Treatment of Serious Diseases Based on Chronic Inflammation, College of Traditional Chinese Medicines, Shanxi University of Chinese Medicine, Taiyuan, Shanxi, 030619, P. R. China
| | - Yuan-Biao Qiao
- Shanxi Key Laboratory of Innovative Drugs for the, Treatment of Serious Diseases Based on Chronic Inflammation, College of Traditional Chinese Medicines, Shanxi University of Chinese Medicine, Taiyuan, Shanxi, 030619, P. R. China
| | - Qing-Shan Li
- Shanxi Key Laboratory of Innovative Drugs for the, Treatment of Serious Diseases Based on Chronic Inflammation, College of Traditional Chinese Medicines, Shanxi University of Chinese Medicine, Taiyuan, Shanxi, 030619, P. R. China
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68
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Song MK, Kim DI, Lee K. Causal relationship between humidifier disinfectant exposure and Th17-mediated airway inflammation and hyperresponsiveness. Toxicology 2021; 454:152739. [PMID: 33640443 DOI: 10.1016/j.tox.2021.152739] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/03/2021] [Accepted: 02/23/2021] [Indexed: 12/15/2022]
Abstract
In this study, we investigated whether humidifier disinfectants (HDs) induce asthmatic airway inflammation in an animal model and compared the features of HD-induced inflammatory symptoms with ovalbumin (OVA)-induced allergic asthma. Mice were intratracheally instilled three times with either the control or 0.1, 0.3, or 0.5 mg/kg of polyhexamethylene guanidine phosphate (PHMG-P). To characterize asthmatic features, the following parameters were analyzed: (i) differential cell counts and cytokine expression in the bronchoalveolar lavage fluid (BALF); (ii) presence of mucus-producing goblet cells and pulmonary eosinophilic infiltration in the lungs; (iii) serum immunoglobulin levels; and (iv) airway hyperresponsiveness (AHR). RNA-Seq and bioinformatics tools were used to investigate whether PHMG-P altered asthma-related gene expression in lung tissues. The PHMG-P exposure groups showed higher peribronchial/perivascular inflammation, elevated goblet cell hyperplasia, and inhaled methacholine-induced airway resistance. Additionally, IL-13 and IL-17 in BALF were significantly increased in the PHMG-P exposure groups. However, there were no significant differences in total serum IgE and BALF IL-4 and IL-5 levels in the PHMG-P exposure groups compared to the control group. PHMG-P exposure modulated the expression of genes related to Th17 signaling pathways including the IL-17A, IL-23, and STAT3 signaling pathways, but not the Th2 signaling pathway. Altogether, our results suggest that repeated exposure to low does PHMG-P induces asthma-like symptoms and is thus a possible risk factor for developing asthma. The PHMG-P-induced asthmatic airway inflammation showed a different pattern from that found in typical allergic asthma and may be related to irritant-induced airway inflammation and hyperresponsiveness characterized by Th2-low, Th17-related, IgE-independent, and mixed granulocytic features.
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Affiliation(s)
- Mi-Kyung Song
- National Center for Efficacy Evaluation for Respiratory Disease Products, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do, 56212, Republic of Korea; Department of Human and Environmental Toxicology, University of Science and Technology, Daejeon, 34113, Republic of Korea
| | - Dong Im Kim
- National Center for Efficacy Evaluation for Respiratory Disease Products, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do, 56212, Republic of Korea
| | - Kyuhong Lee
- National Center for Efficacy Evaluation for Respiratory Disease Products, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do, 56212, Republic of Korea; Department of Human and Environmental Toxicology, University of Science and Technology, Daejeon, 34113, Republic of Korea.
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69
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Srivastava AK, Chand Yadav T, Khera HK, Mishra P, Raghuwanshi N, Pruthi V, Prasad R. Insights into interplay of immunopathophysiological events and molecular mechanistic cascades in psoriasis and its associated comorbidities. J Autoimmun 2021; 118:102614. [PMID: 33578119 DOI: 10.1016/j.jaut.2021.102614] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/02/2021] [Accepted: 02/02/2021] [Indexed: 02/07/2023]
Abstract
Psoriasis is an inflammatory skin disease with complex pathogenesis and multiple etiological factors. Besides the essential role of autoreactive T cells and constellation of cytokines, the discovery of IL-23/Th17 axis as a central signaling pathway has unraveled the mechanism of accelerated inflammation in psoriasis. This has provided insights into psoriasis pathogenesis and revolutionized the development of effective biological therapies. Moreover, genome-wide association studies have identified several candidate genes and susceptibility loci associated with this disease. Although involvement of cellular innate and adaptive immune responses and dysregulation of immune cells have been implicated in psoriasis initiation and maintenance, there is still a lack of unifying mechanism for understanding the pathogenesis of this disease. Emerging evidence suggests that psoriasis is a high-mortality disease with additional burden of comorbidities, which adversely affects the treatment response and overall quality of life of patients. Furthermore, changing trends of psoriasis-associated comorbidities and shared patterns of genetic susceptibility, risk factors and pathophysiological mechanisms manifest psoriasis as a multifactorial systemic disease. This review highlights the recent progress in understanding the crucial role of different immune cells, proinflammatory cytokines and microRNAs in psoriasis pathogenesis. In addition, we comprehensively discuss the involvement of various complex signaling pathways and their interplay with immune cell markers to comprehend the underlying pathophysiological mechanism, which may lead to exploration of new therapeutic targets and development of novel treatment strategies to reduce the disastrous nature of psoriasis and associated comorbidities.
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Affiliation(s)
- Amit Kumar Srivastava
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Tara Chand Yadav
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Harvinder Kour Khera
- Tata Institute for Genetics and Society, Centre at InStem, Bangalore, 560065, Karnataka, India; Division of Biological Sciences, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Purusottam Mishra
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Navdeep Raghuwanshi
- Vaccine Formulation & Research Center, Gennova (Emcure) Biopharmaceuticals Limited, Pune, 411057, Maharashtra, India
| | - Vikas Pruthi
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Ramasare Prasad
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
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70
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Pelaia C, Pelaia G, Crimi C, Longhini F, Lombardo N, Savino R, Sciacqua A, Vatrella A. Biologics in severe asthma. Minerva Med 2021; 113:51-62. [PMID: 33555158 DOI: 10.23736/s0026-4806.21.07296-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Asthma is a chronic airway disease consisting of usually variable airflow limitation and bronchial hyperresponsiveness. Many different phenotypes characterize the clinical expression of asthma, determined by heterogeneous inflammatory patterns driven by distinct cellular and molecular mechanisms known as endotypes. Inside the complex framework of asthma pathobiology, several molecules such as immunoglobulins E (IgE), pro-inflammatory cytokines and their receptors can be targeted by present and future biological treatments of severe asthma. Within this context, already registered monoclonal antibodies including omalizumab, mepolizumab, reslizumab, benralizumab and dupilumab may interfere at various levels with the pathogenic pathways responsible for type-2 airway inflammation. In particular, these drugs target IgE (omalizumab), IL-5 (mepolizumab and reslizumab), IL-5 receptor (benralizumab) and IL-4/IL-13 receptors (dupilumab), respectively. Moreover, other biological therapies are under evaluation in pre-marketing trials, mainly aimed to assess the efficacy and safety of monoclonal antibodies directed against innate cytokines such as IL-33 and thymic stromal lymphopoietin (TSLP). Among current and perspective therapeutic approaches, clinicians can choose phenotype/endotype-driven tailored treatments, able to pursue an effective control of difficult to treat type-2 asthma.
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Affiliation(s)
- Corrado Pelaia
- Department of Health Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy -
| | - Giulia Pelaia
- Department of Health Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Claudia Crimi
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Federico Longhini
- Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Nicola Lombardo
- Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Rocco Savino
- Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Angela Sciacqua
- Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, Catanzaro, Italy
| | - Alessandro Vatrella
- Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
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Healey DCC, Cephus JY, Barone SM, Chowdhury NU, Dahunsi DO, Madden MZ, Ye X, Yu X, Olszewski K, Young K, Gerriets VA, Siska PJ, Dworski R, Hemler J, Locasale JW, Poyurovsky MV, Peebles RS, Irish JM, Newcomb DC, Rathmell JC. Targeting In Vivo Metabolic Vulnerabilities of Th2 and Th17 Cells Reduces Airway Inflammation. THE JOURNAL OF IMMUNOLOGY 2021; 206:1127-1139. [PMID: 33558372 DOI: 10.4049/jimmunol.2001029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 01/12/2021] [Indexed: 12/17/2022]
Abstract
T effector cells promote inflammation in asthmatic patients, and both Th2 and Th17 CD4 T cells have been implicated in severe forms of the disease. The metabolic phenotypes and dependencies of these cells, however, remain poorly understood in the regulation of airway inflammation. In this study, we show the bronchoalveolar lavage fluid of asthmatic patients had markers of elevated glucose and glutamine metabolism. Further, peripheral blood T cells of asthmatics had broadly elevated expression of metabolic proteins when analyzed by mass cytometry compared with healthy controls. Therefore, we hypothesized that glucose and glutamine metabolism promote allergic airway inflammation. We tested this hypothesis in two murine models of airway inflammation. T cells from lungs of mice sensitized with Alternaria alternata extract displayed genetic signatures for elevated oxidative and glucose metabolism by single-cell RNA sequencing. This result was most pronounced when protein levels were measured in IL-17-producing cells and was recapitulated when airway inflammation was induced with house dust mite plus LPS, a model that led to abundant IL-4- and IL-17-producing T cells. Importantly, inhibitors of the glucose transporter 1 or glutaminase in vivo attenuated house dust mite + LPS eosinophilia, T cell cytokine production, and airway hyperresponsiveness as well as augmented the immunosuppressive properties of dexamethasone. These data show that T cells induce markers to support metabolism in vivo in airway inflammation and that this correlates with inflammatory cytokine production. Targeting metabolic pathways may provide a new direction to protect from disease and enhance the effectiveness of steroid therapy.
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Affiliation(s)
- Diana C Contreras Healey
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Jacqueline Y Cephus
- Department of Medicine, Division of Pulmonary and Critical Care, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Sierra M Barone
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232
| | - Nowrin U Chowdhury
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Debolanle O Dahunsi
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Matthew Z Madden
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Xiang Ye
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Xuemei Yu
- Kadmon Corporation, New York, NY 10016
| | | | - Kirsten Young
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Valerie A Gerriets
- Department of Basic Science, California Northstate University College of Medicine, Elk Grove, CA 95757
| | - Peter J Siska
- Internal Medicine III, University Hospital Regensburg, 93042 Regensburg, Germany
| | - Ryszard Dworski
- Department of Medicine, Division of Pulmonary and Critical Care, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Jonathan Hemler
- Department of Pediatrics, University of Virginia, Charlottesville, VA 22904
| | - Jason W Locasale
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC 27710; and
| | | | - R Stokes Peebles
- Department of Medicine, Division of Pulmonary and Critical Care, Vanderbilt University Medical Center, Nashville, TN 37232.,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Jonathan M Irish
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN 37232.,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Dawn C Newcomb
- Department of Medicine, Division of Pulmonary and Critical Care, Vanderbilt University Medical Center, Nashville, TN 37232.,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, TN 37232
| | - Jeffrey C Rathmell
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232; .,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, TN 37232
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Royer DJ, Cook DN. Regulation of Immune Responses by Nonhematopoietic Cells in Asthma. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 206:292-301. [PMID: 33397743 PMCID: PMC8581969 DOI: 10.4049/jimmunol.2000885] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/28/2020] [Indexed: 12/11/2022]
Abstract
Nonhematopoietic cells are emerging as important contributors to many inflammatory diseases, including allergic asthma. Recent advances have led to a deeper understanding of how these cells interact with traditional immune cells, thereby modulating their activities in both homeostasis and disease. In addition to their well-established roles in gas exchange and barrier function, lung epithelial cells express an armament of innate sensors that can be triggered by various inhaled environmental agents, leading to the production of proinflammatory molecules. Advances in cell lineage tracing and single-cell RNA sequencing have expanded our knowledge of rare, but immunologically important nonhematopoietic cell populations. In parallel with these advances, novel reverse genetic approaches are revealing how individual genes in different lung-resident nonhematopoietic cell populations contribute to the initiation and maintenance of asthma. This knowledge is already revealing new pathways that can be selectively targeted to treat distinct forms of asthma.
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Affiliation(s)
- Derek J Royer
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709
| | - Donald N Cook
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709
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73
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Bantulà M, Roca-Ferrer J, Arismendi E, Picado C. Asthma and Obesity: Two Diseases on the Rise and Bridged by Inflammation. J Clin Med 2021; 10:jcm10020169. [PMID: 33418879 PMCID: PMC7825135 DOI: 10.3390/jcm10020169] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Asthma and obesity are two epidemics affecting the developed world. The relationship between obesity and both asthma and severe asthma appears to be weight-dependent, causal, partly genetic, and probably bidirectional. There are two distinct phenotypes: 1. Allergic asthma in children with obesity, which worsens a pre-existing asthma, and 2. An often non allergic, late-onset asthma developing as a consequence of obesity. In obesity, infiltration of adipose tissue by macrophages M1, together with an increased expression of multiple mediators that amplify and propagate inflammation, is considered as the culprit of obesity-related inflammation. Adipose tissue is an important source of adipokines, such as pro-inflammatory leptin, produced in excess in obesity, and adiponectin with anti-inflammatory effects with reduced synthesis. The inflammatory process also involves the synthesis of pro-inflammatory cytokines such as IL-1β, IL-6, TNFα, and TGFβ, which also contribute to asthma pathogenesis. In contrast, asthma pro-inflammatory cytokines such as IL-4, IL-5, IL-13, and IL-33 contribute to maintain the lean state. The resulting regulatory effects of the immunomodulatory pathways underlying both diseases have been hypothesized to be one of the mechanisms by which obesity increases asthma risk and severity. Reduction of weight by diet, exercise, or bariatric surgery reduces inflammatory activity and improves asthma and lung function.
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Affiliation(s)
- Marina Bantulà
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Jordi Roca-Ferrer
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Ebymar Arismendi
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
- Servei de Pneumologia, Hospital Clinic, 08036 Barcelona, Spain
| | - César Picado
- Department of Internal Medicine, Hospital Clinic, Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.B.); (J.R.-F.); (E.A.)
- Department of Medicine, University of Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
- Correspondence: ; Tel.: +34-93-227-5400
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Lee JE, Im DS. Suppressive Effect of Carnosol on Ovalbumin-Induced Allergic Asthma. Biomol Ther (Seoul) 2021; 29:58-63. [PMID: 32632049 PMCID: PMC7771837 DOI: 10.4062/biomolther.2020.050] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/30/2020] [Accepted: 06/01/2020] [Indexed: 11/08/2022] Open
Abstract
Asthma is a chronic obstructive lung disease characterized by recurrent episodes of bronchoconstriction and wheezing. Conventional asthma treatment involves the suppression of airway inflammation or improving airway flow. Rosmarinus officialis, also known as rosemary, is a Mediterranean plant that is used for the treatment of inflammatory diseases. Carnosol, a diterpenoid found in rosemary extracts, has been known to exhibit anti-inflammatory, anti-tumor, and anti-oxidant effects. The effect of carnosol on allergic responses has not been tested yet. The effect of carnosol on a murine allergic asthma model were investigated. Carnosol inhibited the degranulation of RBL-2H3 mast cells. Carnosol treatment inhibited the increase in the number of eosinophils in the bronchoalveolar lavage fluids (BALF) of mice treated with ovalbumin. Carnosol treatment also inhibited inflammatory responses and mucin production in histologic studies. Carnosol treatment inhibited the increases of IL-4 and IL-13 cytokines expression in both BALF and the lungs. These results suggest that carnosol may have a potential for allergic asthma therapy.
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Affiliation(s)
- Jung-Eun Lee
- Laboratory of Pharmacology, College of Pharmacy, and Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Soon Im
- Laboratory of Pharmacology, College of Pharmacy, and Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
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Gonczi CMC, Touma F, Daigneault T, Pozzebon C, Burchell-Reyes K, Darlington PJ. Modulation of IL-17A and IFNγ by β2-adrenergic agonist terbutaline and inverse-agonist nebivolol, influence of ADRB2 polymorphisms. AIMS ALLERGY AND IMMUNOLOGY 2021. [DOI: 10.3934/allergy.2021017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
<abstract><sec>
<title>Background</title>
<p>Upon activation, helper T (Th) cells produce cytokines such as IL-17A and IFNγ, which may exacerbate inflammatory disease and disorders. Adrenergic drugs are emerging as immunomodulatory agents to treat pro-inflammatory diseases, but their function is not completely understood. Th Cells express the β2-adrenergic receptor (β2AR) that is encoded by <italic>ADRB2</italic>. Agonists of the β2AR decrease IFNγ but can increase IL-17A from Th cells. We compared a β2AR agonist to an inverse-agonist, and assessed the influence of <italic>ADRB2</italic> polymorphisms on IL-17A and IFNγ responses.</p>
</sec><sec>
<title>Methods</title>
<p>Peripheral blood mononuclear cells (PBMCs) from venous blood of healthy human participants were cultured with T cell activators anti-CD3 and anti-CD28 antibodies. Terbutaline, a β2AR agonist or nebivolol, a β1AR antagonist and β2AR inverse-agonist, were added <italic>in vitro</italic>. Cytokines IL-17A and IFNγ were measured using enzyme-linked immunosorbent assay. Genomic <italic>ADRB2</italic> and its immediate upstream region were sequenced using Sanger's method. Cytokine response to drug was analyzed based on <italic>ADRB2</italic> polymorphisms.</p>
</sec><sec>
<title>Results</title>
<p>Terbutaline consistently inhibited IFNγ from activated PBMC samples. In contrast, it increased IL-17A in PBMC homozygous for Gly16 codon of <italic>ADRB2</italic>. Nebivolol inhibited IL-17A and IFNγ from activated Th cells. When applied to activated-PBMCs, nebivolol inhibited IL-17A but did not significantly inhibit IFNγ although a trend was observed. The ability of nebivolol to inhibit IL-17A was attenuated by a β2AR-specific antagonist. Cellular proliferation and viability was not significantly changed by nebivolol. Nebivolol suppressed IL-17A in all of the samples regardless of <italic>ADRB2</italic> polymorphisms.</p>
</sec><sec>
<title>Conclusions</title>
<p>This data demonstrates that terbutaline inhibited IFNγ, however, it increased IL-17A in samples with the common Gly16 polymorphism of <italic>ADRB2</italic>. Nebivolol inhibited IL-17A regardless of <italic>ADRB2</italic> polymorphisms. Thus, nebivolol is a strong candidate for treating inflammatory diseases or disorders where IL-17A exacerbates symptoms.</p>
</sec></abstract>
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76
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Holster A, Teräsjärvi J, Barkoff A, Lauhkonen E, Törmänen S, Helminen M, Korppi M, He Q, Nuolivirta K. IL17F rs763780 single nucleotide polymorphism is associated with asthma after bronchiolitis in infancy. Acta Paediatr 2021; 110:222-227. [PMID: 32495451 DOI: 10.1111/apa.15390] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 05/29/2020] [Indexed: 01/08/2023]
Abstract
AIM Interleukin-17F (IL-17F) is involved with asthma. The aim of this study was to evaluate the association of IL17F polymorphisms with childhood asthma after bronchiolitis in infancy. METHODS We invited 166 children who were hospitalised for bronchiolitis at younger than 6 months of age to follow-up visits at 5-7 years and 11-13 years of ages. Asthma and allergy diagnoses, asthma-presumptive symptoms and use of inhaled corticosteroids (ICSs) were registered. Blood samples were available for IL17F rs763780 (T/C), rs11465553 (C/T) and rs7741835 (C/T) determinations in 165 cases. RESULTS The presence of IL17F rs11465553 and rs7741835 variations showed no significant associations with any asthma or allergy outcome at either 5-7 years or 11-13 years of ages. Instead, children with the variant IL17F rs763780 genotype had used more often ICSs between the follow-up visits from 5-7 to 11-13 years (adjusted OR 3.58) than those with the wild genotype. Children with the variant IL17F rs763780 genotype reported more often doctor-diagnosed atopic dermatitis (adjusted OR 2.71) at 11-13 years of age than those with the wild genotype. CONCLUSION This prospective long-term follow-up study provided preliminary evidence on the association of the IL17F rs763780 polymorphism with asthma at school age after bronchiolitis in infancy.
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Affiliation(s)
- Annukka Holster
- Center for Child Health Research Faculty of Medicine and Life Sciences University of Tampere and University Hospital Tampere Finland
| | | | | | - Eero Lauhkonen
- Center for Child Health Research Faculty of Medicine and Life Sciences University of Tampere and University Hospital Tampere Finland
| | - Sari Törmänen
- Center for Child Health Research Faculty of Medicine and Life Sciences University of Tampere and University Hospital Tampere Finland
| | - Merja Helminen
- Center for Child Health Research Faculty of Medicine and Life Sciences University of Tampere and University Hospital Tampere Finland
| | - Matti Korppi
- Center for Child Health Research Faculty of Medicine and Life Sciences University of Tampere and University Hospital Tampere Finland
| | - Qiushui He
- Institute of Biomedicine University of Turku Turku Finland
- Department of Medical Microbiology Capital Medical University Beijing China
| | - Kirsi Nuolivirta
- Department of Pediatrics Seinäjoki Central Hospital Seinäjoki Finland
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Pelaia C, Crimi C, Vatrella A, Tinello C, Terracciano R, Pelaia G. Molecular Targets for Biological Therapies of Severe Asthma. Front Immunol 2020; 11:603312. [PMID: 33329598 PMCID: PMC7734054 DOI: 10.3389/fimmu.2020.603312] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 11/03/2020] [Indexed: 12/20/2022] Open
Abstract
Asthma is a heterogeneous respiratory disease characterized by usually reversible bronchial obstruction, which is clinically expressed by different phenotypes driven by complex pathobiological mechanisms (endotypes). Within this context, during the last years several molecular effectors and signalling pathways have emerged as suitable targets for biological therapies of severe asthma, refractory to standard treatments. Indeed, various therapeutic antibodies currently allow to intercept at different levels the chain of pathogenic events leading to type 2 (T2) airway inflammation. In addition to pro-allergic immunoglobulin E (IgE), that chronologically represents the first molecule against which an anti-asthma monoclonal antibody (omalizumab) was developed, today other targets are successfully exploited by biological treatments of severe asthma. In particular, pro-eosinophilic interleukin 5 (IL-5) can be targeted by mepolizumab or reslizumab, whereas benralizumab is a selective blocker of IL-5 receptor. Moreover, dupilumab behaves as a dual receptor antagonist of pleiotropic interleukins 4 (IL-4) and 13 (IL-13). Besides these drugs that are already available in medical practice, other biologics are under clinical development such as those targeting innate cytokines, also including the alarmin thymic stromal lymphopoietin (TSLP), which plays a key role in the pathogenesis of type 2 asthma. Therefore, ongoing and future biological therapies are significantly changing the global scenario of severe asthma management. These new therapeutic options make it possible to implement phenotype/endotype-specific treatments, that are delineating personalized approaches precisely addressing the individual traits of asthma pathobiology. Such tailored strategies are thus allowing to successfully target the immune-inflammatory responses underlying uncontrolled T2-high asthma.
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Affiliation(s)
- Corrado Pelaia
- Respiratory Medicine Unit, University "Magna Græcia" of Catanzaro, Catanzaro, Italy
| | - Claudia Crimi
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Alessandro Vatrella
- Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Caterina Tinello
- Pediatrics Unit, Provincial Outpatient Center of Catanzaro, Catanzaro, Italy
| | - Rosa Terracciano
- Department of Experimental and Clinical Medicine, University "Magna Græcia" of Catanzaro, Catanzaro, Italy
| | - Girolamo Pelaia
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Catanzaro, Italy
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van Tilburg Bernardes E, Gutierrez MW, Arrieta MC. The Fungal Microbiome and Asthma. Front Cell Infect Microbiol 2020; 10:583418. [PMID: 33324573 PMCID: PMC7726317 DOI: 10.3389/fcimb.2020.583418] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/29/2020] [Indexed: 12/14/2022] Open
Abstract
Asthma is a group of inflammatory conditions that compromises the airways of a continuously increasing number of people around the globe. Its complex etiology comprises both genetic and environmental aspects, with the intestinal and lung microbiomes emerging as newly implicated factors that can drive and aggravate asthma. Longitudinal infant cohort studies combined with mechanistic studies in animal models have identified microbial signatures causally associated with subsequent asthma risk. The recent inclusion of fungi in human microbiome surveys has revealed that microbiome signatures associated with asthma risk are not limited to bacteria, and that fungi are also implicated in asthma development in susceptible individuals. In this review, we examine the unique properties of human-associated and environmental fungi, which confer them the ability to influence immune development and allergic responses. The important contribution of fungi to asthma development and exacerbations prompts for their inclusion in current and future asthma studies in humans and animal models.
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Affiliation(s)
- Erik van Tilburg Bernardes
- Department of Physiology and Pharmacology, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada.,Department of Pediatrics, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada
| | - Mackenzie W Gutierrez
- Department of Physiology and Pharmacology, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada.,Department of Pediatrics, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada
| | - Marie-Claire Arrieta
- Department of Physiology and Pharmacology, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada.,Department of Pediatrics, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada
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Liu Y, Huo SG, Xu L, Che YY, Jiang SY, Zhu L, Zhao M, Teng YC. MiR-135b Alleviates Airway Inflammation in Asthmatic Children and Experimental Mice with Asthma via Regulating CXCL12. Immunol Invest 2020; 51:496-510. [PMID: 33203292 DOI: 10.1080/08820139.2020.1841221] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To clarify the possible influence of miR-135b on CXCL12 and airway inflammation in children and experimental mice with asthma. METHODS The expressions of miR-135b and CXCL12 were detected using quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR) in the serum of asthmatic children. Besides, the experimental asthmatic mice were established by aerosol inhalation of ovalbumin (OVA) followed by the treatment with agomiR-135b and antagomir-135b. Pathological changes of lung tissues were observed via HE staining and PAS staining. Besides, the airway hyperresponsiveness of mice was elevated and bronchoalveolar lavage fluid (BALF) was isolated for cell categorization and counting. The inflammatory cytokines in BALF were determined by enzyme-linked immunosorbent assay (ELISA), and the infiltration of Th17 cells in lung tissues was measured using flow cytometry. RESULTS MiR-135b was downregulated and CXCL12 was upregulated in asthmatic children and mice. Overexpression of miR-135b may down-regulate CXCL12 expression in the lung of OVA mice, resulting in significant decreases in inflammatory infiltration, hyperplasia of goblet cell, airway hyperresponsiveness, cell quantity, as well as the quantity of eosinophilic granulocytes, neutrophils and lymphocytes in BALF. Also, the levels of inflammatory cytokines (IL-4, IL-5, IL-13 and IL-17) and the ratio of Th17 cells and IL-17 levels in lung tissues were decreased. However, miR-135b downregulation reversed these changes in OVA mice. CONCLUSION MiR-135b may inhibit immune responses of Th17 cells to alleviate airway inflammation and hyperresponsiveness in asthma possibly by targeting CXCL12, showing the potential value in asthma treatment.
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Affiliation(s)
- Ying Liu
- Department of Pediatrics, Caoxian people's Hospital, Heze City, Shandong Province, China
| | - Shi-Guang Huo
- Department of Pediatric, Liaocheng Second People's Hospital, Linqing, China
| | - Ling Xu
- Shandong Rizhao Port Hospital
| | - Yuan-Yuan Che
- Department of Pediatrics, Caoxian people's Hospital, Heze City, Shandong Province, China
| | | | - Li Zhu
- Department of Pediatrics, Caoxian people's Hospital, Heze City, Shandong Province, China
| | - Min Zhao
- Department of Pediatrics, Shanxian Central Hospital, Heze City, Shandong Province, China
| | - Yue-Chun Teng
- Department of Pediatrics, Liaocheng People's Hospital
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Neupane B, Acharya D, Nazneen F, Gonzalez-Fernandez G, Flynt AS, Bai F. Interleukin-17A Facilitates Chikungunya Virus Infection by Inhibiting IFN-α2 Expression. Front Immunol 2020; 11:588382. [PMID: 33304351 PMCID: PMC7701120 DOI: 10.3389/fimmu.2020.588382] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/19/2020] [Indexed: 12/27/2022] Open
Abstract
Interferons (IFNs) are the key components of innate immunity and are crucial for host defense against viral infections. Here, we report a novel role of interleukin-17A (IL-17A) in inhibiting IFN-α2 expression thus promoting chikungunya virus (CHIKV) infection. CHIKV infected IL-17A deficient (Il17a-/- ) mice expressed a higher level of IFN-α2 and developed diminished viremia and milder footpad swelling in comparison to wild-type (WT) control mice, which was also recapitulated in IL-17A receptor-deficient (Il17ra-/- ) mice. Interestingly, IL-17A selectively blocked IFN-α2 production during CHIKV, but not West Nile virus (WNV) or Zika virus (ZIKV), infections. Recombinant IL-17A treatment inhibited CHIKV-induced IFN-α2 expression and enhanced CHIKV replication in both human and mouse cells. We further found that IL-17A inhibited IFN-α2 production by modulating the expression of Interferon Regulatory Factor-5 (IRF-5), IRF-7, IFN-stimulated gene 49 (ISG-49), and Mx1 expression during CHIKV infection. Neutralization of IL-17A in vitro leads to the increase of the expression of these antiviral molecules and decrease of CHIKV replication. Collectively, these results suggest a novel function of IL-17A in inhibiting IFN-α2-mediated antiviral responses during CHIKV infection, which may have broad implications in viral infections and other inflammatory diseases.
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Affiliation(s)
- Biswas Neupane
- Department of Cell and Molecular Biology, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Dhiraj Acharya
- Department of Cell and Molecular Biology, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Farzana Nazneen
- Department of Cell and Molecular Biology, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Gabriel Gonzalez-Fernandez
- Department of Cell and Molecular Biology, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Alex Sutton Flynt
- Department of Cell and Molecular Biology, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Fengwei Bai
- Department of Cell and Molecular Biology, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, United States
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Han H, Lu J, Chen C, Wang Y, Han Y. Reduced JKAP correlates with advanced disease features, inflammation, as well as increased exacerbation risk and severity in asthmatic children. Ir J Med Sci 2020; 190:1079-1085. [PMID: 33156444 DOI: 10.1007/s11845-020-02422-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 10/21/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND This study aimed to investigate the correlation of JNK pathway-associated phosphatase (JKAP) with clinical features, inflammation, exacerbation risk, and severity in asthmatic children. METHODS Asthmatic exacerbation children (N = 90), asthmatic remission children (N = 90), and healthy controls (N = 90) were enrolled in this case-control study, whose venous blood samples were collected after enrollment for routine blood test, JKAP, and inflammatory cytokines detection by enzyme-linked immune sorbent assay. The clinical features included demographic data, family history of asthma, and pulmonary ventilation function. RESULTS JKAP level was the lowest in asthmatic exacerbation children, followed by asthmatic remission children and healthy controls. ROC curve revealed good ability of JKAP in distinguishing three groups from each other, especially in telling asthmatic exacerbation children from healthy controls (AUC: 0.926; 95%CI: 0.887-0.965). In addition, JKAP was negatively correlated with eosinophil count, immunoglobulin E (IgE), tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), interleukin-6 (IL-6), and interleukin-17 (IL-17), positively correlated with forced expiratory volume in 1 sec/forced vital capacity (FEV1/FVC) and FEV1 (%predicted) in asthmatic exacerbation children. Whereas in asthmatic remission children, JKAP was negatively correlated with eosinophil count, TNF-α, IL-1β, IL-6, and IL-17 and positively correlated with FEV1 (%predicted), but not with IgE or FEV1/FVC. In healthy controls, the correlation of JKAP with clinical features and inflammatory cytokines was non-obvious. For exacerbation severity, JKAP was the highest in mild exacerbation children, followed by moderate exacerbation children, and severe exacerbation children. CONCLUSION JKAP serves as a potential biomarker for asthmatic susceptibility, inflammation, exacerbation risk, and severity in children.
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Affiliation(s)
- Hong Han
- Department of Pediatrics, Xingtai People's Hospital, 16 Hongxing Street, Xiangdu District, Xingtai, 054001, China
| | - Jianli Lu
- Department of Pediatrics, Xingtai People's Hospital, 16 Hongxing Street, Xiangdu District, Xingtai, 054001, China
| | - Cuirong Chen
- Department of Anesthesiology, Xingtai People's Hospital, Xingtai, 054001, China
| | - Yi Wang
- Department of Pediatrics, Xingtai People's Hospital, 16 Hongxing Street, Xiangdu District, Xingtai, 054001, China
| | - Yanjun Han
- Department of Pediatrics, Xingtai People's Hospital, 16 Hongxing Street, Xiangdu District, Xingtai, 054001, China.
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A critical regulation of Th2 cell responses by RORα in allergic asthma. SCIENCE CHINA-LIFE SCIENCES 2020; 64:1326-1335. [PMID: 33165810 DOI: 10.1007/s11427-020-1825-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/14/2020] [Indexed: 10/23/2022]
Abstract
Allergic asthma is a chronic inflammatory disease of the lung and the airway, which is characterized by aberrant type 2 immune responses to otherwise unharmful aeroallergens. While the central role of Th2 cells and type 2 cytokines in the pathogenesis of allergic asthma is well documented, the regulation and plasticity of Th2 cells remain incompletely understood. By using an animal model of allergic asthma in IL-4-reporter mice, we found that Th2 cells in the lung expressed higher levels of Rora than those in the lymph nodes, and that treatment with an RORα agonist SR1078 resulted in diminished Th2 cell responses in vivo. To determine the T cell-intrinsic role of RORα in allergic asthma in vivo, we established T cell-specific RORα-deficient (Cd4creRoraf/f) mice. Upon intranasal allergen challenges, Cd4creRoraf/f mice exhibited a significantly increased Th2 cells in the lungs and the airway and showed an enhanced eosinophilic inflammation compared to littermate control mice. Studies with Foxp3YFP-creRoraf/f mice and CD8+ T cell depletion showed that the increased Th2 cell responses in the Cd4creRoraf/f mice were independent of Treg cells and CD8+ T cells. Our findings demonstrate a critical regulatory role of RORα in Th2 cells, which suggest that RORα agonists could be effective for the treatment of allergic diseases.
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83
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Smole U, Kratzer B, Pickl WF. Soluble pattern recognition molecules: Guardians and regulators of homeostasis at airway mucosal surfaces. Eur J Immunol 2020; 50:624-642. [PMID: 32246830 PMCID: PMC7216992 DOI: 10.1002/eji.201847811] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 02/25/2020] [Accepted: 03/31/2020] [Indexed: 01/08/2023]
Abstract
Maintenance of homeostasis at body barriers that are constantly challenged by microbes, toxins and potentially bioactive (macro)molecules requires complex, highly orchestrated mechanisms of protection. Recent discoveries in respiratory research have shed light on the unprecedented role of airway epithelial cells (AEC), which, besides immune cells homing to the lung, also significantly contribute to host defence by expressing membrane‐bound and soluble pattern recognition receptors (sPRR). Recent evidence suggests that distinct, evolutionary ancient, sPRR secreted by AEC might become activated by usually innocuous proteins, commonly referred to as allergens. We here provide a systematic overview on sPRR detectable in the mucus lining of AEC. Some of them become actively produced and secreted by AECs (like the pentraxins C‐reactive protein and pentraxin 3; the collectins mannose binding protein and surfactant proteins A and D; H‐ficolin; serum amyloid A; and the complement components C3 and C5). Others are elaborated by innate and adaptive immune cells such as monocytes/macrophages and T cells (like the pentraxins C‐reactive protein and pentraxin 3; L‐ficolin; serum amyloid A; and the complement components C3 and C5). Herein we discuss how sPRRs may contribute to homeostasis but sometimes also to overt disease (e.g. airway hyperreactivity and asthma) at the alveolar–air interface.
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Affiliation(s)
- Ursula Smole
- Institute of ImmunologyCenter for PathophysiologyInfectiology and ImmunologyMedical University of ViennaViennaAustria
| | - Bernhard Kratzer
- Institute of ImmunologyCenter for PathophysiologyInfectiology and ImmunologyMedical University of ViennaViennaAustria
| | - Winfried F. Pickl
- Institute of ImmunologyCenter for PathophysiologyInfectiology and ImmunologyMedical University of ViennaViennaAustria
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84
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An Integrative miRNA-mRNA Expression Analysis Reveals Striking Transcriptomic Similarities between Severe Equine Asthma and Specific Asthma Endotypes in Humans. Genes (Basel) 2020; 11:genes11101143. [PMID: 32998415 PMCID: PMC7600650 DOI: 10.3390/genes11101143] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/21/2020] [Accepted: 09/24/2020] [Indexed: 11/23/2022] Open
Abstract
Severe equine asthma is an incurable obstructive respiratory condition affecting 10–15% of horses in temperate climates. Upon exposure to airborne antigens from hay feeding, affected horses show neutrophilic airway inflammation and bronchoconstriction, leading to increased respiratory effort. The resulting implications range from welfare concerns to economic impacts on equestrian sports and horse breeding. Immunological and pathophysiological characteristics of severe equine asthma show important parallels with allergic and severe neutrophilic human asthma. Our study aimed at investigating regulatory networks underlying the pathophysiology of the disease by profiling miRNA and mRNA expression in lung tissue samples from asthmatic horses compared with healthy controls. We sequenced small RNAs and mRNAs from lungs of seven asthmatic horses in exacerbation, five affected horses in remission, and eight healthy control horses. Our comprehensive differential expression analyses, combined with the miRNA–mRNA negative correlation approach, revealed a strong similarity on the transcriptomic level between severe equine asthma and severe neutrophilic asthma in humans, potentially through affecting Th17 cell differentiation. This study also showed that several dysregulated miRNAs and mRNAs are involved in airway remodeling. These results present a starting point for a better transcriptomic understanding of severe equine asthma and its similarities to asthma in humans.
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85
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Zhu X, Wei Y, Dong J. Long Noncoding RNAs in the Regulation of Asthma: Current Research and Clinical Implications. Front Pharmacol 2020; 11:532849. [PMID: 33013382 PMCID: PMC7516195 DOI: 10.3389/fphar.2020.532849] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 08/25/2020] [Indexed: 01/21/2023] Open
Abstract
Asthma is a chronic airway inflammatory disorder related to variable expiratory airflow limitation, leading to wheeze, shortness of breath, chest tightness, and cough. Its characteristic features include airway inflammation, airway remodeling and airway hyperresponsiveness. The pathogenesis of asthma remains extremely complicated and the detailed mechanisms are not clarified. Long noncoding RNAs (lncRNAs) have been reported to play a prominent role in asthma and function as modulators of various aspects in pathological progress of asthma. Here, we summarize recent advances of lncRNAs in asthma pathogenesis to guide future researches, clinical treatment and drug development, including their regulatory functions in the T helper (Th) 1/Th2 imbalance, Th17/T regulatory (Treg) imbalance, eosinophils dysfunction, macrophage polarization, airway smooth muscle cells proliferation, and glucocorticoid insensitivity.
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Affiliation(s)
- Xueyi Zhu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Ying Wei
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China.,Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Jingcheng Dong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China.,Institutes of Integrative Medicine, Fudan University, Shanghai, China
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86
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Patel S, Dale RC, Rose D, Heath B, Nordahl CW, Rogers S, Guastella AJ, Ashwood P. Maternal immune conditions are increased in males with autism spectrum disorders and are associated with behavioural and emotional but not cognitive co-morbidity. Transl Psychiatry 2020; 10:286. [PMID: 32796821 PMCID: PMC7429839 DOI: 10.1038/s41398-020-00976-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 12/16/2022] Open
Abstract
Epidemiological and animal research shows that maternal immune activation increases the risk of autism spectrum disorders (ASD) in offspring. Emerging evidence suggests that maternal immune conditions may play a role in the phenotypic expression of neurodevelopmental difficulties in children with ASD and this may be moderated by offspring sex. This study aimed to investigate whether maternal immune conditions were associated with increased severity of adverse neurodevelopmental outcomes in children with ASD. Maternal immune conditions were examined as predictors of ASD severity, behavioural and emotional well-being, and cognitive functioning in a cohort of 363 children with ASD (n = 363; 252 males, 111 females; median age 3.07 [interquartile range 2.64-3.36 years]). We also explored whether these outcomes varied between male and female children. Results showed that maternal asthma was the most common immune condition reported in mothers of children with ASD. A history of maternal immune conditions (p = 0.009) was more common in male children with ASD, compared to female children. Maternal immune conditions were associated with increased behavioural and emotional problems in male and female children. By contrast, maternal immune conditions were not associated with decreased cognitive function. The findings demonstrate that MIA may influence the expression of symptoms in children with ASD and outcomes may vary between males and females.
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Affiliation(s)
- Shrujna Patel
- grid.1013.30000 0004 1936 834XAutism Clinic for Translational Research, Brain and Mind Centre, Children’s Hospital Westmead Clinical School, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW Australia
| | - Russell C. Dale
- grid.1013.30000 0004 1936 834XKids Neuroscience Centre, The Children’s Hospital at Westmead, Faculty of Medicine and Health, University of Sydney, Westmead, NSW Australia
| | - Destanie Rose
- grid.27860.3b0000 0004 1936 9684Department of Medical Microbiology and Immunology and MIND Institute, UC Davis, Davis, CA USA
| | - Brianna Heath
- grid.27860.3b0000 0004 1936 9684Department of Psychiatry and MIND Institute, UC Davis, Davis, CA USA
| | - Christine W. Nordahl
- grid.27860.3b0000 0004 1936 9684Department of Psychiatry and MIND Institute, UC Davis, Davis, CA USA
| | - Sally Rogers
- grid.27860.3b0000 0004 1936 9684Department of Psychiatry and MIND Institute, UC Davis, Davis, CA USA
| | - Adam J. Guastella
- grid.1013.30000 0004 1936 834XAutism Clinic for Translational Research, Brain and Mind Centre, Children’s Hospital Westmead Clinical School, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW Australia
| | - Paul Ashwood
- Department of Medical Microbiology and Immunology and MIND Institute, UC Davis, Davis, CA, USA.
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87
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Shen CF, Ho TS, Wang SM, Liao YT, Hu YS, Tsai HP, Chen SH. The cellular immunophenotype expression of influenza A virus and influenza B virus infection in children. Clin Immunol 2020; 219:108548. [PMID: 32735869 DOI: 10.1016/j.clim.2020.108548] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 07/13/2020] [Accepted: 07/24/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND The innate immune response is the primary defense against influenza virus infection. METHODS This is a prospective study carried out in children <18 years of age who were diagnosed with influenza A or influenza B infection. Demographic and clinical data, laboratory findings and cell immunophenotypes on first presentation were compared. RESULTS With respect to immunophenotype, influenza A infection resulted in a higher fraction of CD14+ and CD4+IL-17A+cells compared to children infected with influenza B. By contrast, influenza B infection resulted in a comparatively higher percentage of double-negative CD4-CD8- lymphocyte subsets. Influenza A infection was associated with comparatively higher percentages of CD4+CD25highFoxp3+ and CD4+CD25lowFoxp3+ cells. By contrast, the percentage of CD8+CD25high and CD8+CD25low cells was similar among patients with influenza A infection and influenza B infection. CONCLUSIONS An improved understanding of the fraction of regulatory T cells with influenza virus infections may provide further understandings on immune responses.
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Affiliation(s)
- Ching-Fen Shen
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan
| | - Tzong-Shiann Ho
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan; Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan City, Taiwan
| | - Shih-Min Wang
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan; Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan City, Taiwan.
| | - Yu-Ting Liao
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan; Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan City, Taiwan
| | - Yu-Shiang Hu
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan; Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan City, Taiwan
| | - Huey-Pin Tsai
- Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City, Taiwan; Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan City, Taiwan
| | - Shun-Hua Chen
- Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan City, Taiwan; Department of Microbiology & Immunology, College of Medicine, National Cheng Kung University, Tainan City, Taiwan.
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88
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Mohan A, Agarwal S, Clauss M, Britt NS, Dhillon NK. Extracellular vesicles: novel communicators in lung diseases. Respir Res 2020; 21:175. [PMID: 32641036 PMCID: PMC7341477 DOI: 10.1186/s12931-020-01423-y] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 06/15/2020] [Indexed: 02/06/2023] Open
Abstract
The lung is the organ with the highest vascular density in the human body. It is therefore perceivable that the endothelium of the lung contributes significantly to the circulation of extracellular vesicles (EVs), which include exosomes, microvesicles, and apoptotic bodies. In addition to the endothelium, EVs may arise from alveolar macrophages, fibroblasts and epithelial cells. Because EVs harbor cargo molecules, such as miRNA, mRNA, and proteins, these intercellular communicators provide important insight into the health and disease condition of donor cells and may serve as useful biomarkers of lung disease processes. This comprehensive review focuses on what is currently known about the role of EVs as markers and mediators of lung pathologies including COPD, pulmonary hypertension, asthma, lung cancer and ALI/ARDS. We also explore the role EVs can potentially serve as therapeutics for these lung diseases when released from healthy progenitor cells, such as mesenchymal stem cells.
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Affiliation(s)
- Aradhana Mohan
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Kansas Medical Center, Mail Stop 3007, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
| | - Stuti Agarwal
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Kansas Medical Center, Mail Stop 3007, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA
| | - Matthias Clauss
- Division of Pulmonary, Critical Care, Sleep & Occupational Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Nicholas S Britt
- Department of Pharmacy Practice, University of Kansas School of Pharmacy, Lawrence, Kansas, USA.,Division of Infectious Diseases, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Navneet K Dhillon
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Kansas Medical Center, Mail Stop 3007, 3901 Rainbow Blvd, Kansas City, KS, 66160, USA. .,Department of Molecular & Integrative Physiology, University of Kansas Medical Center, Kansas City, Kansas, USA.
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89
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Matsuda T, Yamada H, Hida N, Nakaizumi T, Yamada E, Satoh H, Hizawa N. An asthmatic case of psoriasiform eruption caused by administration of dupilumab. Allergol Int 2020; 69:478-479. [PMID: 32178985 DOI: 10.1016/j.alit.2020.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/13/2020] [Accepted: 02/15/2020] [Indexed: 12/26/2022] Open
Affiliation(s)
- Takashi Matsuda
- Division of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Hideyasu Yamada
- Division of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan; Division of Respiratory Medicine, Hitachi Hitachinaka General Hospital, Ibaraki, Japan.
| | - Norihito Hida
- Division of Respiratory Medicine, Hitachi Hitachinaka General Hospital, Ibaraki, Japan
| | - Taisuke Nakaizumi
- Division of Respiratory Medicine, Hitachi Hitachinaka General Hospital, Ibaraki, Japan
| | - Emmi Yamada
- Division of Dermatological Medicine, Mito Medical Center, Ibaraki, Japan
| | - Hiroaki Satoh
- Division of Respiratory Medicine, Mito Medical Center, Ibaraki, Japan
| | - Nobuyuki Hizawa
- Division of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
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90
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Scioscia G, Carpagnano GE, Lacedonia D, Soccio P, Quarato CMI, Trabace L, Fuso P, Foschino Barbaro MP. The Role of Airways 17β-Estradiol as a Biomarker of Severity in Postmenopausal Asthma: A Pilot Study. J Clin Med 2020; 9:jcm9072037. [PMID: 32610544 PMCID: PMC7408980 DOI: 10.3390/jcm9072037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/24/2020] [Accepted: 06/27/2020] [Indexed: 02/06/2023] Open
Abstract
Background: Asthma severity differs according to gender; in adult women, there is higher prevalence and severity of asthma than in men, and it coincides with changes in sex hormones. Recently, a new phonotype of asthma has been identified that appears after menopause, and it may be associated with decreased estrogen levels. Our goal was to study the 17β-estradiol (E2) concentrations in the blood and airways of women affected by asthma onset after menopause, evaluating its possible role in the severity of the disease. Methods: We enrolled 33 consecutive women with a diagnosis of postmenopausal asthma, recruited from the outpatient pulmonary clinic: 18 with severe (SA) and 15 with mild-to-moderate (MMA) asthma. We also included 30 age-matched healthy menopausal women as controls (HS). All subjects enrolled underwent blood and sputum collection (IS), and E2 concentrations were determined in plasma and sputum supernatant samples using an enzyme-linked immunosorbent assay (ELISA) kit. Results: Significantly higher serum concentrations of E2 were found in postmenopausal SA compared to MMA and HS, respectively (33 ± 5.5 vs. 24 ± 6.63 vs. 7.79 ± 1.54 pg/mL, p < 0.05). Similar results were found in the IS: significantly higher levels of E2 were detected in patients with postmenopausal SA compared with MMA and HS, respectively (0.34 ± 0.17 vs. 0.26 ± 0.13 vs. 0.07 ± 0.06 pg/mL, p < 0.05). We found positive correlations between IS E2 concentrations and sputum neutrophil levels in SA group (ρ = 0.52, p < 0.05). Conclusions: Our findings showed the possibility to measure E2 in the airways, and it has increased in postmenopausal asthmatic patients, especially in those with SA. Airways E2 levels may serve as a suitable biomarker of postmenopausal SA to help to phenotype SA patients with neutrophil inflammation.
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Affiliation(s)
- Giulia Scioscia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.); (P.S.); (C.M.I.Q.); (P.F.); (M.P.F.B.)
- Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122 Foggia, Italy
| | - Giovanna Elisiana Carpagnano
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, Section of Respiratory Disease, University “Aldo Moro” of Bari, 70121 Bari, Italy;
| | - Donato Lacedonia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.); (P.S.); (C.M.I.Q.); (P.F.); (M.P.F.B.)
- Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122 Foggia, Italy
- Correspondence: ; Tel.: +39-0881733084
| | - Piera Soccio
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.); (P.S.); (C.M.I.Q.); (P.F.); (M.P.F.B.)
- Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122 Foggia, Italy
| | - Carla Maria Irene Quarato
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.); (P.S.); (C.M.I.Q.); (P.F.); (M.P.F.B.)
| | - Luigia Trabace
- Department of Clinical and Sperimental Medicine, University of Foggia, 71122 Foggia, Italy;
| | - Paolo Fuso
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.); (P.S.); (C.M.I.Q.); (P.F.); (M.P.F.B.)
| | - Maria Pia Foschino Barbaro
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (G.S.); (P.S.); (C.M.I.Q.); (P.F.); (M.P.F.B.)
- Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122 Foggia, Italy
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91
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Li LL, Dai B, Sun YH, Zhang TT. The activation of IL-17 signaling pathway promotes pyroptosis in pneumonia-induced sepsis. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:674. [PMID: 32617294 PMCID: PMC7327349 DOI: 10.21037/atm-19-1739] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background Pyroptosis is closely relevant to sepsis. However, the molecular mechanisms of pyroptosis in pneumonia-induced sepsis are still not fully understood. Thus, this study aimed to find the specific molecular pathways associated with pyroptosis and explore their relationship in pneumonia-induced sepsis. Methods First, significant signaling pathways related to pneumonia-induced sepsis were screened by bioinformatics analysis based on GSE48080. The peripheral blood samples from patients with pneumonia-induced sepsis and healthy subjects were collected. Pneumonia-induced sepsis rat models were also established. Then, inflammatory response, pyroptosis, and regulatory T cells (Tregs)/T-helper 17 (Th17), Th1/Th2, and M1/M2 cell ratios in pneumonia-induced sepsis were evaluated. Results IL-17 signaling pathway was significantly related to pneumonia-induced sepsis by bioinformatics analysis. Compared with healthy groups, the higher of Th17/Treg, Th1/Th2 and M1/M2 cell radios in the patients and sepsis rat model indicated that pneumonia-induced sepsis caused a severe inflammatory response. This result was confirmed by higher levels of pro-inflammatory factors (IL-6, TNF-α, IL-1β, and IL-18) and an inflammation indicator (LDH), as well as pyroptosis occurrence in sepsis. Additionally, the up-regulation of key molecules (HMGB1, RAGE, IL-17A, TRAF6 and NK-κB) in the IL-17 signaling pathway suggested the IL-17 pathway was activated. Moreover, the release of IL-1β and IL-18 and the levels of the molecules (NLRP3, NLRC4, Cleaved caspase-1, and Cleaved GSDMD) associated with caspase-1-dependent pyroptosis were up-regulated in pneumonia-induced sepsis. Conclusions As NK-κB activation can promote the development of caspase-1-dependent pyroptosis, these findings suggested that the activation of the IL-17 signaling pathway could promote pyroptosis in pneumonia-induced sepsis.
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Affiliation(s)
- Li-Li Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, China Medical University, Shenyang, China
| | - Bing Dai
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, China Medical University, Shenyang, China
| | - Yu-Han Sun
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, China Medical University, Shenyang, China
| | - Ting-Ting Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital, China Medical University, Shenyang, China
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92
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Zhang X, Zhang M, Jiang M, Nong G. Effect of IL‑7 on Th17 cell responses in a mouse model of neutrophilic asthma. Mol Med Rep 2020; 22:1205-1212. [PMID: 32468040 PMCID: PMC7339814 DOI: 10.3892/mmr.2020.11191] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 04/21/2020] [Indexed: 01/20/2023] Open
Abstract
Neutrophilic asthma (NA) is characterized by neutrophil-mediated inflammation and the presence of Th17 cells. However, the mechanisms underlying Th17 cell responses in NA remain unknown. The aim of the present study was to examine the effects of interleukin (IL)-7 on Th17 cell responses in NA. A NA mouse model was sensitized by airway delivery of ovalbumin (OVA) and lipopolysaccharide and challenged with 1% OVA aerosol from day 21 for 3 consecutive days. Airway resistance was then measured to assess airway hyper-responsiveness (AHR). Cells from bronchoalveolar lavage fluid (BALF) underwent Diff-Quick and hematoxylin and eosin staining for classification. The levels of IL-17 in the BALF were determined by ELISA. The effects of IL-7 administration and STAT5 inhibition on Th17 cells were also characterized in vitro using splenic CD4+ T cells. Ki-67, Bcl-2 and activated caspase-3 expression in differentiated Th17 cells were analyzed by flow cytometry. The mouse model of NA was characterized by increased AHR, elevated levels of IL-17, high neutrophil counts in BALF, accumulated inflammatory cells in the lung and Th17 cell responses. IL-7 promoted the expression of Ki-67 and Bcl-2 while reducing caspase-3 expression. STAT5 inhibitor treatment decreased the levels of Ki-67 and Bcl-2, and resulted in increased expression of caspase-3. These results suggested that the IL-7/JAK/STAT5 signaling pathway may be involved in Th17 cell responses in NA.
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Affiliation(s)
- Xiaobo Zhang
- Pediatric Department, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Min Zhang
- Pediatric Department, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Min Jiang
- Pediatric Department, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Guangmin Nong
- Pediatric Department, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
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93
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The Role of Th17 Cells and IL-17 in Th2 Immune Responses of Allergic Conjunctivitis. J Ophthalmol 2020; 2020:6917185. [PMID: 32566265 PMCID: PMC7267877 DOI: 10.1155/2020/6917185] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/12/2020] [Indexed: 11/24/2022] Open
Abstract
Allergic conjunctivitis (AC) is a common allergic disease that is often associated with the onset of rhinitis or asthma. The incidence of AC has increased significantly in recent years possibly due to air pollution and climate warming. AC seriously affects patients' quality of life and work efficiency. Th (T-helper) 2 immune responses and type I hypersensitivity reactions are generally considered the basis of occurrence of AC. It has been found that new subpopulations of T-helper cells, Th17 cells that produce interleukin-17 (IL-17), play an important role in the Th2-mediated pathogenesis of conjunctivitis. Studies have shown that Th17 cells are involved in a variety of immune inflammation, including psoriasis, rheumatoid arthritis, inflammatory bowel disease, systemic lupus erythematosus, and asthma. However, the role of Th17 and IL-17 in AC is unclear. This paper will focus on how T-helper 17 cells and interleukin-17 are activated in the Th2 immune response of allergic conjunctivitis and how they promote the Th2 immune response of AC.
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94
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Koushki K, Varasteh AR, Shahbaz SK, Sadeghi M, Mashayekhi K, Ayati SH, Moghadam M, Sankian M. Dc-specific aptamer decorated gold nanoparticles: A new attractive insight into the nanocarriers for allergy epicutaneous immunotherapy. Int J Pharm 2020; 584:119403. [PMID: 32387307 DOI: 10.1016/j.ijpharm.2020.119403] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/01/2020] [Accepted: 05/02/2020] [Indexed: 01/19/2023]
Abstract
Recently, the main goal of many allergy epicutaneous immunotherapy (EPIT) studies is to enhance the allergen delivery through the intact skin. Therefore, applying new strategies for tackling this issue are inevitable. For this purpose, ten groups of Che a 2-sensitized BALB/c mice were epicutaneously treated for a 6-week period with the rChe a 2-GNPs-Aptamer, rChe a 2-GNPs-Aptamer + skin-penetrating peptides (SPPs), rChe a 2-GNPs, rChe a 2, GNPs, and PBS. Afterward, the serum IgE and IFN-γ, TGF-β, IL-10, IL-4, IL-17a cytokine production, NALF analysis, and lung/nasal histological examinations were performed. The present study results demonstrate that, EPIT in aptamer treated groups had a significant increase of IFN-γ, TGF-β, and IL-10 concentrations and a significant decrease of IgE, IL-4, and IL-17a concentrations as well as NALF infiltrated immune cell count compared to the non-targeted ones. In addition, SPPs led to more significant improvement of immunoregulatory parameters, especially IL-10 cytokine. Accordingly, the targeted-GNPs with DC-specific aptamers could act as an efficient approach for the improvement of EPIT efficacy compared to the free allergen. Moreover, the application of SPPs might be considered as a useful tool in achieving a successful EPIT with lower doses of allergen at a shorter duration of the treatment.
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Affiliation(s)
- Khadijeh Koushki
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abdol-Reza Varasteh
- Allergy Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sanaz Keshavarz Shahbaz
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahvash Sadeghi
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kazem Mashayekhi
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Hasan Ayati
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Malihe Moghadam
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mojtaba Sankian
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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95
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Chung S, Lee YG, Karpurapu M, Englert JA, Ballinger MN, Davis IC, Park GY, Christman JW. Depletion of microRNA-451 in response to allergen exposure accentuates asthmatic inflammation by regulating Sirtuin2. Am J Physiol Lung Cell Mol Physiol 2020; 318:L921-L930. [PMID: 32159972 PMCID: PMC7272736 DOI: 10.1152/ajplung.00457.2019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/06/2020] [Accepted: 03/10/2020] [Indexed: 01/13/2023] Open
Abstract
The incidence of asthma has increased from 5.5% to near 8% of the population, which is a major health concern. The hallmarks of asthma include eosinophilic airway inflammation that is associated with chronic airway remodeling. Allergic airway inflammation is characterized by a complex interplay of resident and inflammatory cells. MicroRNAs (miRNAs) are small noncoding RNAs that function as posttranscriptional modulators of gene expression. However, the role of miRNAs, specifically miR-451, in the regulation of allergic airway inflammation is unexplored. Our previous findings showed that oxidant stress regulates miR-451 gene expression in macrophages during an inflammatory process. In this paper, we examined the role of miR-451 in regulating macrophage phenotype using an experimental poly-allergenic murine model of allergic airway inflammation. We found that miR-451 contributes to the allergic induction of CCL17 in the lung and plays a key role in proasthmatic macrophage activation. Remarkably, administration of a Sirtuin 2 (Sirt2) inhibitor diminished alternate macrophage activation and markedly abrogated triple-allergen [dust mite, ragweed, Aspergillus fumigatus (DRA)]-induced lung inflammation. These data demonstrate a role for miR-451 in modulating allergic inflammation by influencing allergen-mediated macrophages phenotype.
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Affiliation(s)
- Sangwoon Chung
- Pulmonary, Critical Care, and Sleep Medicine, the Ohio State University, Davis Heart and Lung Research Institute, Columbus, Ohio
| | - Yong Gyu Lee
- Pulmonary, Critical Care, and Sleep Medicine, the Ohio State University, Davis Heart and Lung Research Institute, Columbus, Ohio
| | - Manjula Karpurapu
- Pulmonary, Critical Care, and Sleep Medicine, the Ohio State University, Davis Heart and Lung Research Institute, Columbus, Ohio
| | - Joshua A Englert
- Pulmonary, Critical Care, and Sleep Medicine, the Ohio State University, Davis Heart and Lung Research Institute, Columbus, Ohio
| | - Megan N Ballinger
- Pulmonary, Critical Care, and Sleep Medicine, the Ohio State University, Davis Heart and Lung Research Institute, Columbus, Ohio
| | - Ian C Davis
- College of Veterinary Medicine, the Ohio State University, Columbus, Ohio
| | - Gye Young Park
- Department of Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - John W Christman
- Pulmonary, Critical Care, and Sleep Medicine, the Ohio State University, Davis Heart and Lung Research Institute, Columbus, Ohio
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96
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Jirmo AC, Busse M, Happle C, Skuljec J, Dalüge K, Habener A, Grychtol R, DeLuca DS, Breiholz OD, Prinz I, Hansen G. IL-17 regulates DC migration to the peribronchial LNs and allergen presentation in experimental allergic asthma. Eur J Immunol 2020; 50:1019-1033. [PMID: 32142593 DOI: 10.1002/eji.201948409] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 01/30/2020] [Accepted: 03/05/2020] [Indexed: 01/04/2023]
Abstract
IL-17 is associated with different phenotypes of asthma, however, it is not fully elucidated how it influences induction and maintenance of asthma and allergy. In order to determine the role of IL-17 in development of allergic asthma, we used IL-17A/F double KO (IL-17A/F KO) and WT mice with or without neutralization of IL-17 in an experimental allergic asthma model and analyzed airway hyperresponsiveness, lung inflammation, T helper cell polarization, and DCs influx and activation. We report that the absence of IL-17 reduced influx of DCs into lungs and lung draining LNs. Compared to WT mice, IL-17A/F KO mice or WT mice after neutralization of IL-17A showed reduced airway hyperresponsiveness, eosinophilia, mucus hypersecretion, and IgE levels. DCs from draining LNs of allergen-challenged IL-17A/F KO mice showed a reduction in expression of migratory and costimulatory molecules CCR7, CCR2, MHC-II, and CD40 compared to WT DCs. Moreover, in vivo stimulation of adoptively transferred antigen-specific cells was attenuated in lung-draining LNs in the absence of IL-17. Thus, we report that IL-17 enhances airway DC activation, migration, and function. Consequently, lack of IL-17 leads to reduced antigen-specific T cell priming and impaired development of experimental allergic asthma.
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Affiliation(s)
- Adan Chari Jirmo
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Mandy Busse
- Experimental Obstetrics and Gynecology, Medical Faculty, Otto-von-Guericke University, Magdeburg, Germany
| | - Christine Happle
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Jelena Skuljec
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Kathleen Dalüge
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany
| | - Anika Habener
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Ruth Grychtol
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - David S DeLuca
- Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Oliver D Breiholz
- Research Core Unit Genomics (RCUG), Hannover Medical School, Hannover, Germany
| | - Immo Prinz
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Gesine Hansen
- Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany.,Excellence Cluster RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
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97
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Barkhordari S, Mirmosayyeb O, Mansourian M, Hosseininasab F, Ramezani S, Barzegar M, Amin MM, Poursafa P, Esmaeil N, Kelishadi R. Omega 3 Supplementation Can Regulate Inflammatory States in Gas Station Workers: A Double-Blind Placebo-Controlled Clinical Trial. J Interferon Cytokine Res 2020; 40:262-267. [PMID: 32176565 DOI: 10.1089/jir.2019.0220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Environmental exposure to diesel particulate matter and commercial gasoline in gas station workers might induce oxidative stress and changes in the balance of the immune system. In this study, the immunomodulatory impacts of omega 3 fatty acid (ω3FA) supplement were assessed on inflammatory and anti-inflammatory markers in gas station workers in a double-blind placebo-controlled clinical trial. Fifty-three men working in gas stations were treated with ω3FA (n = 29) or placebo (n = 24) for 60 days. C-reactive protein, interleukin-12 (IL-12), transforming growth factor β (TGF-β), interferon γ (IFN-γ), tumor necrosis factor α, IL-10, and IL-17 levels were measured by enzyme-linked immunosorbent assay method before and after the completion of the trial. The concentrations of IFN-γ and IL-17 were significantly decreased in ω3FA group compared with the placebo group (P < 0.001). Moreover, the levels of inhibitory cytokines including TGF-β and IL-10 significantly were increased in ω3FA group (P < 0.001). Overall, ω3FA nutritional supplementation can be useful in reducing inflammatory immune responses and maintaining immune tolerance in people with high exposure to inflammation-inducing factors. [Figure: see text].
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Affiliation(s)
- Shoresh Barkhordari
- Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.,Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Omid Mirmosayyeb
- Isfahan Neurosciences Research Center, Alzahra Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.,Universal Council of Epidemiology (UCE), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Marjan Mansourian
- Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fahimeh Hosseininasab
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Saba Ramezani
- Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahdi Barzegar
- Student Research Committee, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Mehdi Amin
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parinaz Poursafa
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nafiseh Esmaeil
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.,Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Kelishadi
- Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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98
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Hossain FMA, Park SO, Kim HJ, Eo JC, Choi JY, Uyangaa E, Kim B, Kim K, Eo SK. CCR5 attenuates neutrophilic airway inflammation exacerbated by infection with rhinovirus. Cell Immunol 2020; 351:104066. [PMID: 32089258 DOI: 10.1016/j.cellimm.2020.104066] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 01/13/2020] [Accepted: 02/14/2020] [Indexed: 12/15/2022]
Abstract
Human rhinovirus (hRV) is the most common cause of asthma exacerbation characterized by clinical and pathophysiological heterogeneity. Steroid-sensitive, Th2 type-eosinophilic asthma has been somewhat studied, but hRV-induced neutrophilic asthma exacerbation is poorly understood. Here, CCR5 was found to play a role in attenuating neutrophilic airway inflammation in hRV-induced asthma exacerbation using chicken ovalbumin (OVA)-based model. CCR5 deficiency resulted in exacerbated neutrophilic asthmatic responses in airways following hRV infection. CCR5-deficient mice showed enhanced mucus expression and altered expression of tight junction proteins in lung tissues. CCR5-deficient mice were also manifested with influx of CD45+CD11b+Siglec-F+Gr-1+ neutrophils, along with enhanced production of IL-17A, IFN-γ, IL-6, IL-1β cytokines in inflamed tissues. In contrast, CCR5-deficient mice elicited down-regulation of Th2-related cytokine proteins following hRV infection. More interestingly, the lack of CCR5 altered the equilibrium of CD4+FoxP3+ Tregs and IL-17+CD4+ Th17 in inflamed tissues. CCR5-deficient mice showed increased frequency and absolute number of IL-17-producing CD4+ Th17 cells in lung tissues compared to wild-type mice, whereas the reduced infiltration of CD4+FoxP3+ Treg cells was observed. CCR5 deficiency resulted in the skewed production of Th17 and Th1 cytokines in lymph nodes and lungs upon OVA stimulation. Likewise, CCR5-deficient mice showed enhanced expression of Th17-inducing cytokines (IL-1β, IL-6, and TNF-α) in lung tissues. These results imply that CCR5 deficiency facilitates Th17 airway inflammation during hRV-induced asthma exacerbation, along with suppressing Th2 responses. Furthermore, our results suggest that CCR5 attenuates hRV-induced neutrophilic airway inflammation through conserving the equilibrium of CD4+Foxp3+ Treg cells and IL-17+CD4+ Th17 cells in hRV-induced asthma exacerbation.
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Affiliation(s)
- Ferdaus Mohd Altaf Hossain
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea; Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet 3100, Bangladesh
| | - Seong Ok Park
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea
| | - Hyo Jin Kim
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea
| | - Jun Cheol Eo
- Division of Biotechnology, College of Environmental & Biosource Science, Jeonbuk National University, Iksan 54596, South Korea
| | - Jin Young Choi
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea
| | - Erdenebelig Uyangaa
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea
| | - Bumseok Kim
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea
| | - Koanhoi Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Seong Kug Eo
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan 54596, Republic of Korea.
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99
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Rassouli A, Tarikhi HK, Sadeghi GS, Tabarraei H, Sasani F, Ghaffari S, Fayaz MA, Hayes AW. Effects of COX inhibitors on responsiveness of the tracheal tract to acetylcholine and histamine and their relationship with LTC4 and PGE2 levels of bronchoalveolar lavage fluid in allergic Guinea pigs. Toxicol Mech Methods 2020; 30:317-323. [PMID: 32031029 DOI: 10.1080/15376516.2020.1727597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Introduction: Nonsteroidal anti-inflammatory drugs (NSAIDs) intervene in the COX (cyclooxygenase) pathways which generate two important inflammation mediators, prostaglandins (PGs) and leukotriene (LTs). Contradictory claims regarding the effect of NSAIDs in asthmatic patients continues to be an issue. The present study investigated the effects of COX inhibitors on the responsiveness of the tracheal tract and on the levels of LTC4 and PGE2 in cells of the bronchoalveolar lavage fluid in an allergic guinea pig model.Materials and Methods: Adult male Dunkin-Hartley guinea pigs (250 - 300 g) were divided into seven groups of six animals each. Four COX inhibitors, aspirin (200 mg/kg and 20 mg/kg), indomethacin (10 mg/kg), ketoprofen (10 mg/kg), and celecoxib (25 mg/kg), were given orally on day 17 to allergy induced guinea pigs at 0, 12, and 24 h before ovalbumin challenge on day 18. PGF2 and LT4 were measured in the bronchoalveolar lavage fluid as well as inflammatory cell count and total protein. Tracheal responsiveness to acetylcholine (Ach) and histamine (His) also was evaluated.Results: An augment in the response of the trachea to Ach and His, as well as overt allergenic signs including short breath, wheezing and sneezing, was observed. The most significant increase in tracheal hyper-responsiveness was observed in the ketoprofen-treated group with similar but less pronounced changes observed in the indomethacin-treated group. Although some variables increased with the aspirin and celecoxib treatments, overall the tracheal sensitivity was reduced. Inflammatory cells including eosinophils and neutrophils corresponded to the changes observed for each treatment group.Conclusion: Ketoprofen and indomethacin increased the tracheal sensibility to Ach and His; therefore, their administration is not recommended in patients susceptible to allergy.
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Affiliation(s)
- Ali Rassouli
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Iran
| | | | - Goudarz Sadeghi Sadeghi
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Iran
| | - Hadi Tabarraei
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Iran
| | - Farhang Sasani
- Department of Pathology, Faculty of Veterinary Medicine, University of Tehran, Iran
| | - Sepideh Ghaffari
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Iran
| | - Mohammad Amin Fayaz
- Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada
| | - A Wallace Hayes
- University of South Florida College of Public Health, Tampa, FL, USA
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100
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TLR5 Activation Exacerbates Airway Inflammation in Asthma. Lung 2020; 198:289-298. [PMID: 32060608 DOI: 10.1007/s00408-020-00337-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 01/31/2020] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Innate immune activation through exposure to indoor and outdoor pollutants is emerging as an important determinant of asthma severity. For example, household levels of the bacterial product lipopolysaccharide (LPS) are associated with increased asthma severity. We hypothesized that activation of the innate immune receptor TLR5 by its bacterial ligand flagellin will exacerbate airway inflammation and asthma symptoms. METHODS We determined the effect of flagellin co-exposure with ovalbumin in a murine model of allergic asthma. We evaluated the presence of flagellin activity in house dust of asthma patients. Finally, we analyzed the association of a dominant-negative polymorphism in TLR5 (rs5744168) with asthma symptoms in patients with asthma. RESULTS We showed that bacterial flagellin can be found in the house dust of patients with asthma and that this bacterial product exacerbates allergic airway inflammation in an allergen-specific mouse model of asthma. Furthermore, a dominant-negative genetic polymorphism in TLR5, the receptor for flagellin, is associated with decreased symptoms in patients with asthma. CONCLUSION Together, our results reveal a novel genetic protective factor (TLR5 deficiency) and a novel environmental pollutant (microbial flagellin) that influence asthma severity. (Clinical trials NCT01688986 and NCT01087307).
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