51
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Webster HC, Gamino V, Andrusaite AT, Ridgewell OJ, McCowan J, Shergold AL, Heieis GA, Milling SWF, Maizels RM, Perona-Wright G. Tissue-based IL-10 signalling in helminth infection limits IFNγ expression and promotes the intestinal Th2 response. Mucosal Immunol 2022; 15:1257-1269. [PMID: 35428872 PMCID: PMC9705258 DOI: 10.1038/s41385-022-00513-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 03/05/2022] [Accepted: 03/25/2022] [Indexed: 02/04/2023]
Abstract
Type 2 immunity is activated in response to both allergens and helminth infection. It can be detrimental or beneficial, and there is a pressing need to better understand its regulation. The immunosuppressive cytokine IL-10 is known as a T helper 2 (Th2) effector molecule, but it is currently unclear whether IL-10 dampens or promotes Th2 differentiation during infection. Here we show that helminth infection in mice elicits IL-10 expression in both the intestinal lamina propria and the draining mesenteric lymph node, with higher expression in the infected tissue. In vitro, exogenous IL-10 enhanced Th2 differentiation in isolated CD4+ T cells, increasing expression of GATA3 and production of IL-5 and IL-13. The ability of IL-10 to amplify the Th2 response coincided with its suppression of IFNγ expression and in vivo we found that, in intestinal helminth infection, IL-10 receptor expression was higher on Th1 cells in the small intestine than on Th2 cells in the same tissue, or on any Th cell in the draining lymph node. In vivo blockade of IL-10 signalling during helminth infection resulted in an expansion of IFNγ+ and Tbet+ Th1 cells in the small intestine and a coincident decrease in IL-13, IL-5 and GATA3 expression by intestinal T cells. These changes in Th2 cytokines correlated with reduced expression of type 2 effector molecules, such as RELMα, and increased parasite egg production. Together our data indicate that IL-10 signalling promotes Th2 differentiation during helminth infection at least in part by regulating competing Th1 cells in the infected tissue.
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Affiliation(s)
- Holly C Webster
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Virginia Gamino
- Department of Animal Medicine, Surgery and Pathology, Veterinary School, Complutense University of Madrid, Madrid, Spain
| | - Anna T Andrusaite
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Olivia J Ridgewell
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Jack McCowan
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Amy L Shergold
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Graham A Heieis
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
- Department of Parasitology, Leiden University Medical Center, Leiden, The Netherlands
| | - Simon W F Milling
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Rick M Maizels
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Georgia Perona-Wright
- Centre for Immunobiology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK.
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK.
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52
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Finding a Niche: Tissue Immunity and Innate Lymphoid Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1365:57-73. [PMID: 35567741 DOI: 10.1007/978-981-16-8387-9_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The immune system plays essential roles in maintaining homeostasis in mammalian tissues that extend beyond pathogen clearance and host defense. Recently, several homeostatic circuits comprised of paired hematopoietic and non-hematopoietic cells have been described to influence tissue composition and turnover in development and after perturbation. Crucial circuit components include innate lymphoid cells (ILCs), which seed developing organs and shape their resident tissues by influencing progenitor fate decisions, microbial interactions, and neuronal activity. As they develop in tissues, ILCs undergo transcriptional imprinting that encodes receptivity to corresponding signals derived from their resident tissues but ILCs can also shift their transcriptional profiles to adapt to specific types of tissue perturbation. Thus, ILC functions are embedded within their resident tissues, where they constitute key regulators of homeostatic responses that can lead to both beneficial and pathogenic outcomes. Here, we examine the interactions between ILCs and various non-hematopoietic tissue cells, and discuss how specific ILC-tissue cell circuits form essential elements of tissue immunity.
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53
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Agaronyan K, Sharma L, Vaidyanathan B, Glenn K, Yu S, Annicelli C, Wiggen TD, Penningroth MR, Hunter RC, Dela Cruz CS, Medzhitov R. Tissue remodeling by an opportunistic pathogen triggers allergic inflammation. Immunity 2022; 55:895-911.e10. [PMID: 35483356 PMCID: PMC9123649 DOI: 10.1016/j.immuni.2022.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 01/04/2022] [Accepted: 04/04/2022] [Indexed: 01/01/2023]
Abstract
Different effector arms of the immune system are optimized to protect from different classes of pathogens. In some cases, pathogens manipulate the host immune system to promote the wrong type of effector response-a phenomenon known as immune deviation. Typically, immune deviation helps pathogens to avoid destructive immune responses. Here, we report on a type of immune deviation whereby an opportunistic pathogen, Pseudomonas aeruginosa (P. aeruginosa), induces the type 2 immune response resulting in mucin production that is used as an energy source by the pathogen. Specifically, P. aeruginosa-secreted toxin, LasB, processed and activated epithelial amphiregulin to induce type 2 inflammation and mucin production. This "niche remodeling" by P. aeruginosa promoted colonization and, as a by-product, allergic sensitization. Our study thus reveals a type of bacterial immune deviation by increasing nutrient supply. It also uncovers a mechanism of allergic sensitization by a bacterial virulence factor.
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Affiliation(s)
- Karen Agaronyan
- Howard Hughes Medical Institute and Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Lokesh Sharma
- Department of Internal Medicine, Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Bharat Vaidyanathan
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Keith Glenn
- Department of Internal Medicine, Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Shuang Yu
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Charles Annicelli
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Talia D Wiggen
- Department of Microbiology & Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Mitchell R Penningroth
- Department of Microbiology & Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Ryan C Hunter
- Department of Microbiology & Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Charles S Dela Cruz
- Department of Internal Medicine, Pulmonary, Critical Care and Sleep Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Ruslan Medzhitov
- Howard Hughes Medical Institute and Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA.
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54
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Hurrell BP, Helou DG, Shafiei-Jahani P, Howard E, Painter JD, Quach C, Akbari O. Cannabinoid receptor 2 engagement promotes group 2 innate lymphoid cell expansion and enhances airway hyperreactivity. J Allergy Clin Immunol 2022; 149:1628-1642.e10. [PMID: 34673048 PMCID: PMC9013728 DOI: 10.1016/j.jaci.2021.09.037] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 09/10/2021] [Accepted: 09/17/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Cannabinoids modulate the activation of immune cells and physiologic processes in the lungs. Group 2 innate lymphoid cells (ILC2s) are central players in type 2 asthma, but how cannabinoids modulate ILC2 activation remains to be elucidated. OBJECTIVE Our goal was to investigate the effects of cannabinoids on ILC2s and their role in asthma. METHODS A combination of cannabinoid receptor (CB)2 knockout (KO) mice, CB2 antagonist and agonist were used in the mouse models of IL-33, IL-25, and Alternaria alternata ILC2-dependent airway inflammation. RNA sequencing was performed to assess transcriptomic changes in ILC2s, and humanized mice were used to assess the role of CB2 signaling in human ILC2s. RESULTS We provide evidence that CB2 signaling in ILC2s is important for the development of ILC2-driven airway inflammation in both mice and human. We showed that both naive and activated murine pulmonary ILC2s express CB2. CB2 signaling did not affect ILC2 homeostasis at steady state, but strikingly it stimulated ILC2 proliferation and function upon activation. As a result, ILC2s lacking CB2 induced lower lung inflammation, as we made similar observations using a CB2 antagonist. Conversely, CB2 agonism remarkably exacerbated ILC2-driven airway hyperreactivity and lung inflammation. Mechanistically, transcriptomic and protein analysis revealed that CB2 signaling induced cyclic adenosine monophosphate-response element binding protein (CREB) phosphorylation in ILC2s. Human ILC2s expressed CB2, as CB2 antagonism and agonism showed opposing effects on ILC2 effector function and development of airway hyperreactivity in humanized mice. CONCLUSION Collectively, our results define CB2 signaling in ILC2s as an important modulator of airway inflammation.
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Affiliation(s)
- Benjamin P Hurrell
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Doumet Georges Helou
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Pedram Shafiei-Jahani
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Emily Howard
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Jacob D Painter
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Christine Quach
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif
| | - Omid Akbari
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, Calif.
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55
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Jakwerth CA, Ordovas-Montanes J, Blank S, Schmidt-Weber CB, Zissler UM. Role of Respiratory Epithelial Cells in Allergic Diseases. Cells 2022; 11:1387. [PMID: 35563693 PMCID: PMC9105716 DOI: 10.3390/cells11091387] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 02/07/2023] Open
Abstract
The airway epithelium provides the first line of defense to the surrounding environment. However, dysfunctions of this physical barrier are frequently observed in allergic diseases, which are tightly connected with pro- or anti-inflammatory processes. When the epithelial cells are confronted with allergens or pathogens, specific response mechanisms are set in motion, which in homeostasis, lead to the elimination of the invaders and leave permanent traces on the respiratory epithelium. However, allergens can also cause damage in the sensitized organism, which can be ascribed to the excessive immune reactions. The tight interaction of epithelial cells of the upper and lower airways with local and systemic immune cells can leave an imprint that may mirror the pathophysiology. The interaction with effector T cells, along with the macrophages, play an important role in this response, as reflected in the gene expression profiles (transcriptomes) of the epithelial cells, as well as in the secretory pattern (secretomes). Further, the storage of information from past exposures as memories within discrete cell types may allow a tissue to inform and fundamentally alter its future responses. Recently, several lines of evidence have highlighted the contributions from myeloid cells, lymphoid cells, stromal cells, mast cells, and epithelial cells to the emerging concepts of inflammatory memory and trained immunity.
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Affiliation(s)
- Constanze A. Jakwerth
- Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, German Research Center for Environmental Health, Germany, Member of the German Center for Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, 80802 Munich, Germany; (C.A.J.); (S.B.); (C.B.S.-W.)
| | - Jose Ordovas-Montanes
- Division of Gastroenterology, Hepatology, and Nutrition, Boston Children’s Hospital, Boston, MA 02115, USA;
- Program in Immunology, Harvard Medical School, Boston, MA 02115, USA
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Simon Blank
- Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, German Research Center for Environmental Health, Germany, Member of the German Center for Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, 80802 Munich, Germany; (C.A.J.); (S.B.); (C.B.S.-W.)
| | - Carsten B. Schmidt-Weber
- Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, German Research Center for Environmental Health, Germany, Member of the German Center for Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, 80802 Munich, Germany; (C.A.J.); (S.B.); (C.B.S.-W.)
| | - Ulrich M. Zissler
- Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, German Research Center for Environmental Health, Germany, Member of the German Center for Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, 80802 Munich, Germany; (C.A.J.); (S.B.); (C.B.S.-W.)
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56
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Patil P, Russo KA, McCune JT, Pollins AC, Cottam MA, Dollinger BR, DeJulius CR, Gupta MK, D'Arcy R, Colazo JM, Yu F, Bezold MG, Martin JR, Cardwell NL, Davidson JM, Thompson CM, Barbul A, Hasty AH, Guelcher SA, Duvall CL. Reactive oxygen species-degradable polythioketal urethane foam dressings to promote porcine skin wound repair. Sci Transl Med 2022; 14:eabm6586. [PMID: 35442705 PMCID: PMC10165619 DOI: 10.1126/scitranslmed.abm6586] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Porous, resorbable biomaterials can serve as temporary scaffolds that support cell infiltration, tissue formation, and remodeling of nonhealing skin wounds. Synthetic biomaterials are less expensive to manufacture than biologic dressings and can achieve a broader range of physiochemical properties, but opportunities remain to tailor these materials for ideal host immune and regenerative responses. Polyesters are a well-established class of synthetic biomaterials; however, acidic degradation products released by their hydrolysis can cause poorly controlled autocatalytic degradation. Here, we systemically explored reactive oxygen species (ROS)-degradable polythioketal (PTK) urethane (UR) foams with varied hydrophilicity for skin wound healing. The most hydrophilic PTK-UR variant, with seven ethylene glycol (EG7) repeats flanking each side of a thioketal bond, exhibited the highest ROS reactivity and promoted optimal tissue infiltration, extracellular matrix (ECM) deposition, and reepithelialization in porcine skin wounds. EG7 induced lower foreign body response, greater recruitment of regenerative immune cell populations, and resolution of type 1 inflammation compared to more hydrophobic PTK-UR scaffolds. Porcine wounds treated with EG7 PTK-UR foams had greater ECM production, vascularization, and resolution of proinflammatory immune cells compared to polyester UR foam-based NovoSorb Biodegradable Temporizing Matrix (BTM)-treated wounds and greater early vascular perfusion and similar wound resurfacing relative to clinical gold standard Integra Bilayer Wound Matrix (BWM). In a porcine ischemic flap excisional wound model, EG7 PTK-UR treatment led to higher wound healing scores driven by lower inflammation and higher reepithelialization compared to NovoSorb BTM. PTK-UR foams warrant further investigation as synthetic biomaterials for wound healing applications.
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Affiliation(s)
- Prarthana Patil
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Katherine A Russo
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Joshua T McCune
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Alonda C Pollins
- Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, TN 37212, USA
| | - Matthew A Cottam
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Bryan R Dollinger
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Carlisle R DeJulius
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Mukesh K Gupta
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Richard D'Arcy
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Juan M Colazo
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Fang Yu
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Mariah G Bezold
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - John R Martin
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Nancy L Cardwell
- Department of Plastic Surgery, Vanderbilt University Medical Center, Nashville, TN 37212, USA
| | - Jeffrey M Davidson
- Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Callie M Thompson
- Vanderbilt Burn Center, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Adrian Barbul
- Department of Surgery, Vanderbilt University Medical Center, Nashville, TN 37212, USA.,Department of Surgery, Veterans Administration Medical Center, Nashville, TN 37212, USA
| | - Alyssa H Hasty
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.,Veterans Affairs Tennessee Valley Healthcare System, Nashville, TN 37212, USA
| | - Scott A Guelcher
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA.,Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Craig L Duvall
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
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57
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Sharma A, Noon JB, Kontodimas K, Garo LP, Platten J, Quinton LJ, Urban JF, Reinhardt C, Bosmann M. IL-27 Enhances γδ T Cell–Mediated Innate Resistance to Primary Hookworm Infection in the Lungs. THE JOURNAL OF IMMUNOLOGY 2022; 208:2008-2018. [PMID: 35354611 PMCID: PMC9012701 DOI: 10.4049/jimmunol.2000945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 02/09/2022] [Indexed: 11/19/2022]
Abstract
IL-27 is a heterodimeric IL-12 family cytokine formed by noncovalent association of the promiscuous EBI3 subunit and selective p28 subunit. IL-27 is produced by mononuclear phagocytes and unfolds pleiotropic immune-modulatory functions through ligation to IL-27 receptor α (IL-27RA). Although IL-27 is known to contribute to immunity and to limit inflammation after various infections, its relevance for host defense against multicellular parasites is still poorly defined. Here, we investigated the role of IL-27 during infection with the soil-transmitted hookworm, Nippostrongylus brasiliensis, in its early host intrapulmonary life cycle. IL-27(p28) was detectable in bronchoalveolar lavage fluid of C57BL/6J wild-type mice on day 1 after s.c. inoculation. IL-27RA expression was most abundant on lung-invading γδ T cells. Il27ra-/- mice showed increased lung parasite burden together with aggravated pulmonary hemorrhage and higher alveolar total protein leakage as a surrogate for epithelial-vascular barrier disruption. Conversely, injections of recombinant mouse (rm)IL-27 into wild-type mice reduced lung injury and parasite burden. In multiplex screens, higher airway accumulations of IL-6, TNF-α, and MCP-3 (CCL7) were observed in Il27ra-/- mice, whereas rmIL-27 treatment showed a reciprocal effect. Importantly, γδ T cell numbers in airways were enhanced by endogenous or administered IL-27. Further analysis revealed a direct antihelminthic function of IL-27 on γδ T cells as adoptive intratracheal transfer of rmIL-27-treated γδ T cells during primary N. brasiliensis lung infection conferred protection in mice. In summary, this report demonstrates protective functions of IL-27 to control the early lung larval stage of hookworm infection.
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Affiliation(s)
- Arjun Sharma
- Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Jason B Noon
- Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Konstantinos Kontodimas
- Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Lucien P Garo
- Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Johannes Platten
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Lee J Quinton
- Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
- Division of Infectious Disease and Immunology, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA
| | - Joseph F Urban
- Agricultural Research Service, Beltsville Agricultural Research Center, Animal Parasitic Diseases Laboratory and Beltsville Human Nutrition Research Center, Diet, Genomics, and Immunology Laboratory, U.S. Department of Agriculture, Beltsville, MD; and
| | - Christoph Reinhardt
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Markus Bosmann
- Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts;
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
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58
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Ham J, Shin JW, Ko BC, Kim HY. Targeting the Epithelium-Derived Innate Cytokines: From Bench to Bedside. Immune Netw 2022; 22:e11. [PMID: 35291657 PMCID: PMC8901708 DOI: 10.4110/in.2022.22.e11] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/15/2022] [Accepted: 02/15/2022] [Indexed: 02/05/2023] Open
Abstract
When epithelial cells are exposed to potentially threatening external stimuli such as allergens, bacteria, viruses, and helminths, they instantly produce "alarmin" cytokines, namely, IL-33, IL-25, and TSLP. These alarmins alert the immune system about these threats, thereby mobilizing host immune defense mechanisms. Specifically, the alarmins strongly stimulate type-2 immune cells, including eosinophils, mast cells, dendritic cells, type-2 helper T cells, and type-2 innate lymphoid cells. Given that the alarm-raising role of IL-33, IL-25, and TSLP was first detected in allergic and infectious diseases, most studies on alarmins focus on their role in these diseases. However, recent studies suggest that alarmins also have a broad range of effector functions in other pathological conditions, including psoriasis, multiple sclerosis, and cancer. Therefore, this review provides an update on the epithelium-derived cytokines in both allergic and non-allergic diseases. We also review the progress of clinical trials on biological agents that target the alarmins and discuss the therapeutic potential of these agents in non-allergic diseases.
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Affiliation(s)
- Jongho Ham
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul 03080, Korea.,CIRNO, Sungkyunkwan University, Suwon 16419, Korea
| | - Jae Woo Shin
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,CIRNO, Sungkyunkwan University, Suwon 16419, Korea.,Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul 03080, Korea
| | - Byeong Cheol Ko
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Hye Young Kim
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Biomedical Sciences, BK21 Plus Biomedical Science Project, Seoul National University College of Medicine, Seoul 03080, Korea.,CIRNO, Sungkyunkwan University, Suwon 16419, Korea.,Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul 03080, Korea
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59
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Cautivo KM, Matatia PR, Lizama CO, Mroz NM, Dahlgren MW, Yu X, Sbierski-Kind J, Taruselli MT, Brooks JF, Wade-Vallance A, Caryotakis SE, Chang AA, Liang HE, Zikherman J, Locksley RM, Molofsky AB. Interferon gamma constrains type 2 lymphocyte niche boundaries during mixed inflammation. Immunity 2022; 55:254-271.e7. [PMID: 35139352 PMCID: PMC8852844 DOI: 10.1016/j.immuni.2021.12.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 09/20/2021] [Accepted: 12/20/2021] [Indexed: 02/07/2023]
Abstract
Allergic immunity is orchestrated by group 2 innate lymphoid cells (ILC2s) and type 2 helper T (Th2) cells prominently arrayed at epithelial- and microbial-rich barriers. However, ILC2s and Th2 cells are also present in fibroblast-rich niches within the adventitial layer of larger vessels and similar boundary structures in sterile deep tissues, and it remains unclear whether they undergo dynamic repositioning during immune perturbations. Here, we used thick-section quantitative imaging to show that allergic inflammation drives invasion of lung and liver non-adventitial parenchyma by ILC2s and Th2 cells. However, during concurrent type 1 and type 2 mixed inflammation, IFNγ from broadly distributed type 1 lymphocytes directly blocked both ILC2 parenchymal trafficking and subsequent cell survival. ILC2 and Th2 cell confinement to adventitia limited mortality by the type 1 pathogen Listeria monocytogenes. Our results suggest that the topography of tissue lymphocyte subsets is tightly regulated to promote appropriately timed and balanced immunity.
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Affiliation(s)
- Kelly M Cautivo
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Peri R Matatia
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Carlos O Lizama
- Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Nicholas M Mroz
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA; Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA, USA
| | - Madelene W Dahlgren
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Xiaofei Yu
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Julia Sbierski-Kind
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Marcela T Taruselli
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Jeremy F Brooks
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Adam Wade-Vallance
- Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA, USA
| | - Sofia E Caryotakis
- Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA, USA
| | - Anthony A Chang
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA; Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA, USA
| | - Hong-Erh Liang
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA; Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Julie Zikherman
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Richard M Locksley
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA; Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Ari B Molofsky
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA; Diabetes Center, University of California, San Francisco, San Francisco, CA, USA.
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Virtanen T. Inhalant Mammal-Derived Lipocalin Allergens and the Innate Immunity. FRONTIERS IN ALLERGY 2022; 2:824736. [PMID: 35387007 PMCID: PMC8974866 DOI: 10.3389/falgy.2021.824736] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 12/30/2021] [Indexed: 12/03/2022] Open
Abstract
A major part of important mammalian respiratory allergens belongs to the lipocalin family of proteins. By this time, 19 respiratory mammalian lipocalin allergens have been registered in the WHO/IUIS Allergen Nomenclature Database. Originally, lipocalins, small extracellular proteins (molecular mass ca. 20 kDa), were characterized as transport proteins but they are currently known to exert a variety of biological functions. The three-dimensional structure of lipocalins is well-preserved, and lipocalin allergens can exhibit high amino acid identities, in several cases more than 50%. Lipocalins contain an internal ligand-binding site where they can harbor small principally hydrophobic molecules. Another characteristic feature is their capacity to bind to specific cell-surface receptors. In all, the physicochemical properties of lipocalin allergens do not offer any straightforward explanations for their allergenicity. Allergic sensitization begins at epithelial barriers where diverse insults through pattern recognition receptors awaken innate immunity. This front-line response is manifested by epithelial barrier-associated cytokines which together with other components of immunity can initiate the sensitization process. In the following, the crucial factor in allergic sensitization is interleukin (IL)-4 which is needed for stabilizing and promoting the type 2 immune response. The source for IL-4 has been searched widely. Candidates for it may be non-professional antigen-presenting cells, such as basophils or mast cells, as well as CD4+ T cells. The synthesis of IL-4 by CD4+ T cells requires T cell receptor engagement, i.e., the recognition of allergen peptides, which also provides the specificity for sensitization. Lipocalin and innate immunity-associated cell-surface receptors are implicated in facilitating the access of lipocalin allergens into the immune system. However, the significance of this for allergic sensitization is unclear, as the recognition by these receptors has been found to produce conflicting results. As to potential adjuvants associated with mammalian lipocalin allergens, the hydrophobic ligands transported by lipocalins have not been reported to enhance sensitization while it is justified to suppose that lipopolysaccharide plays a role in it. Taken together, type 2 immunity to lipocalin allergens appears to be a harmful immune response resulting from a combination of signals involving both the innate and adaptive immunities.
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Affiliation(s)
- Tuomas Virtanen
- Department of Clinical Microbiology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
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Jin J, Sunusi S, Lu H. Group 2 innate lymphoid cells (ILC2s) are important in typical type 2 immune-mediated diseases and an essential therapeutic target. J Int Med Res 2022; 50:3000605211053156. [PMID: 35048721 PMCID: PMC8796086 DOI: 10.1177/03000605211053156] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The prevalence rate of allergic diseases, such as asthma, atopic rhinitis (AR), and atopic dermatitis (AD), has been significantly increasing over the years because of environmental changes. Type 2 immunity is mediated by allergic inflammation initiated by an innate immune response. This response is orchestrated by type 2 cytokines (interleukin [IL]-4, IL-5, IL-9, and IL-13) together with other cells. The dendritic cell [DC]-T helper 2 (Th2) cell axis is the conventional type 2 immune pathway, and is currently known as the group 2 innate lymphoid cell (ILC2)-DC-Th2 axis that mediates type 2 inflammation. ILC2s strongly mediate type 2 inflammation in allergic diseases. ILC2s are activated by epithelial cell-derived cytokines, such as IL-25 and IL-33, and thymic stromal lymphopoietin. Additionally, ILC2s are activated by mast cell lipid inflammatory mediators, such as cysteinyl leukotrienes and prostaglandin D2. ILC2s produce a large amount of type 2 cytokines. The important role of ILC2s in the pathogenesis of type 2-mediated disease has resulted in ILC2-derived cytokines being a target for therapeutic development. In this review, we discuss type 2 immunity, mainly the ILC2-DC-Th2 axis, and other immune cells, the dominant role of ILC2s in asthma, AR, and AD, and therapeutic targets against type 2 cytokines.
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Affiliation(s)
- Jie Jin
- Department of Pediatrics, The Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Sadik Sunusi
- Department of Pediatrics, The Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Hongyan Lu
- Department of Pediatrics, The Affiliated Hospital of Jiangsu University, Jiangsu University, Zhenjiang, Jiangsu Province, China
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Das A, Harly C, Ding Y, Bhandoola A. ILC Differentiation from Progenitors in the Bone Marrow. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1365:7-24. [DOI: 10.1007/978-981-16-8387-9_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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McDaniel MM, Meibers HE, Pasare C. Innate control of adaptive immunity and adaptive instruction of innate immunity: bi-directional flow of information. Curr Opin Immunol 2021; 73:25-33. [PMID: 34425435 PMCID: PMC8648974 DOI: 10.1016/j.coi.2021.07.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/14/2021] [Accepted: 07/28/2021] [Indexed: 12/21/2022]
Abstract
The ability of the innate and adaptive immune systems to communicate with each other is central to protective immune responses and maintenance of host health. Myeloid cells of the innate immune system are able to sense microbial ligands, perturbations in cellular homeostasis, and virulence factors, thereby allowing them to relay distinct pathogen-specific information to naïve T cells in the form of pathogen-derived peptides and a unique cytokine milieu. Once primed, effector T helper cells produce lineage-defining cytokines to help combat the original pathogen, and a subset of these cells persist as memory or effector-memory populations. These memory T cells then play a dual role in host protection by not only responding rapidly to reinfection, but by also directly instructing myeloid cells to express licensing cytokines. This means there is a bi-directional flow of information first from the innate to the adaptive immune system, and then from the adaptive back to innate immune system. Here, we focus on how signals, first from pathogens and then from primed effector and memory T cells, are integrated by myeloid cells and its consequences for protective immunity or systemic inflammation.
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Affiliation(s)
- Margaret M McDaniel
- Immunology Graduate Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, United States; Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States
| | - Hannah E Meibers
- Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Immunology Graduate Program, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH 45220, United States
| | - Chandrashekhar Pasare
- Division of Immunobiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States; Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, OH 45220, United States.
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64
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Schneider C. Tuft cell integration of luminal states and interaction modules in tissues. Pflugers Arch 2021; 473:1713-1722. [PMID: 34635955 PMCID: PMC8528756 DOI: 10.1007/s00424-021-02630-2] [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: 07/27/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 01/07/2023]
Abstract
Chemosensory processes are integral to the physiology of most organisms. This function is typically performed by specialized cells that are able to detect input signals and to convert them to an output dedicated to a particular group of target cells. Tuft cells are cholinergic chemosensory epithelial cells capable of producing immunologically relevant effector molecules. They are scattered throughout endoderm-derived hollow organs and function as sensors of luminal stimuli, which has been best studied in mucosal barrier epithelia. Given their epithelial origin and broad distribution, and based on their interplay with immune pathways, tuft cells can be considered a prototypical example of how complex multicellular organisms engage innate immune mechanisms to modulate and optimize organ physiology. In this review, I provide a concise overview of tuft cells and discuss how these cells influence organ adaptation to dynamic luminal conditions.
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Affiliation(s)
- Christoph Schneider
- Institute of Physiology, University of Zurich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland.
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Abstract
Interleukin-4 (IL-4) is a four-α-helical bundle type I cytokine with broad pleiotropic actions on multiple lineages. Major actions of IL-4 were initially discovered for B and T cells, but this cytokine acts on more than a dozen different target cells spanning the innate and adaptive immune systems and is produced by multiple different cellular sources. While IL-4 was discovered just under 40 years ago in 1982, the interest in and discoveries related to this cytokine continue to markedly expand. There are important new advances related to its biological actions and to its mechanisms of signaling, including critical genes and downstream targets in a range of cell types. IL-4 is critical not only for careful control of immunoglobulin production but also related to inflammation, fibrosis, allergic reactions, and antitumor activity, with actions of IL-4 occurring through two different types of receptors, one of which is also used by IL-13, a closely related cytokine with partially overlapping actions. In this review, we cover critical older information but also highlight newer advances. An area of evolving interest relates to the therapeutic blockade of IL-4 signaling pathway to treat atopic dermatitis and asthma. Thus, this cytokine is historically important, and research in this area has both elucidated major biological pathways and led to therapeutic advances for diseases that affect millions of individuals.
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Affiliation(s)
- Achsah D Keegan
- Center for Vascular and Inflammatory Diseases, Department of Microbiology and Immunology, University of Maryland School of Medicine, and Veterans Affairs Maryland Health Care System, Baltimore Veterans Affairs Medical Center, Baltimore, USA
| | - Warren J Leonard
- Laboratory of Molecular Immunology, Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, USA
| | - Jinfang Zhu
- Molecular and Cellular Immunoregulation Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, USA
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Deckers J, Marsland BJ, von Mutius E. Protection against allergies: Microbes, immunity, and the farming effect. Eur J Immunol 2021; 51:2387-2398. [PMID: 34415577 DOI: 10.1002/eji.202048938] [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: 01/13/2021] [Revised: 07/08/2021] [Accepted: 08/17/2021] [Indexed: 12/19/2022]
Abstract
The prevalence of asthma and other allergic diseases has rapidly increased in "Westernized" countries over recent decades. This rapid increase suggests the involvement of environmental factors, behavioral changes or lifestyle, rather than genetic drift. It has become increasingly clear that the microbiome plays a key role in educating the host immune system and, thus, regulation of disease susceptibility. This review will focus on recent advances uncovering immunological and microbial mechanisms that protect against allergies, in particular, within the context of a farming environment. A whole body of epidemiological data disclosed the nature of the protective exposures in a farm. Current evidence points toward an important role of the host microbiome in setting an immunological equilibrium that determines progression toward, or protection against allergic diseases. Conclusive mechanistic insights on how microbial exposures prevent from developing allergic diseases in humans are still lacking but findings from experimental models reveal plausible immunological mechanisms. Gathering further knowledge on these mechanisms and confirming their relevance in humans is of great importance to develop preventive strategies for children at risk of developing allergies.
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Affiliation(s)
- Julie Deckers
- Laboratory of Immunoregulation and Mucosal Immunology, VIB Center for Inflammation Research, Ghent (Zwijnaarde), Belgium.,Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Benjamin J Marsland
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Erika von Mutius
- Institute for Asthma and Allergy Prevention, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany.,German Center for Lung Research, München, Germany.,Dr. von Hauner Children's Hospital, Ludwig Maximilian University of Munich, Munich, Germany
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67
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Ruterbusch M, Pruner KB, Shehata L, Pepper M. In Vivo CD4 + T Cell Differentiation and Function: Revisiting the Th1/Th2 Paradigm. Annu Rev Immunol 2021; 38:705-725. [PMID: 32340571 DOI: 10.1146/annurev-immunol-103019-085803] [Citation(s) in RCA: 272] [Impact Index Per Article: 90.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The discovery of CD4+ T cell subset-defining master transcription factors and framing of the Th1/Th2 paradigm ignited the CD4+ T cell field. Advances in in vivo experimental systems, however, have revealed that more complex lineage-defining transcriptional networks direct CD4+ T cell differentiation in the lymphoid organs and tissues. This review focuses on the layers of fate decisions that inform CD4+ T cell differentiation in vivo. Cytokine production by antigen-presenting cells and other innate cells influences the CD4+ T cell effector program [e.g., T helper type 1 (Th1), Th2, Th17]. Signals downstream of the T cell receptor influence whether individual clones bearing hallmarks of this effector program become T follicular helper cells, supporting development of B cells expressing specific antibody isotypes, or T effector cells, which activate microbicidal innate cells in tissues. These bifurcated, parallel axes allow CD4+ T cells to augment their particular effector program and prevent disease.
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Affiliation(s)
- Mikel Ruterbusch
- Department of Immunology, University of Washington School of Medicine, Seattle, Washington 98109, USA; ,
| | - Kurt B Pruner
- Department of Immunology, University of Washington School of Medicine, Seattle, Washington 98109, USA; ,
| | - Laila Shehata
- Department of Immunology, University of Washington School of Medicine, Seattle, Washington 98109, USA; ,
| | - Marion Pepper
- Department of Immunology, University of Washington School of Medicine, Seattle, Washington 98109, USA; ,
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Medina CB, Chiu YH, Stremska ME, Lucas CD, Poon I, Tung KS, Elliott MR, Desai B, Lorenz UM, Bayliss DA, Ravichandran KS. Pannexin 1 channels facilitate communication between T cells to restrict the severity of airway inflammation. Immunity 2021; 54:1715-1727.e7. [PMID: 34283971 PMCID: PMC8363584 DOI: 10.1016/j.immuni.2021.06.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/21/2021] [Accepted: 06/21/2021] [Indexed: 01/14/2023]
Abstract
Allergic airway inflammation is driven by type-2 CD4+ T cell inflammatory responses. We uncover an immunoregulatory role for the nucleotide release channel, Panx1, in T cell crosstalk during airway disease. Inverse correlations between Panx1 and asthmatics and our mouse models revealed the necessity, specificity, and sufficiency of Panx1 in T cells to restrict inflammation. Global Panx1-/- mice experienced exacerbated airway inflammation, and T-cell-specific deletion phenocopied Panx1-/- mice. A transgenic designed to re-express Panx1 in T cells reversed disease severity in global Panx1-/- mice. Panx1 activation occurred in pro-inflammatory T effector (Teff) and inhibitory T regulatory (Treg) cells and mediated the extracellular-nucleotide-based Treg-Teff crosstalk required for suppression of Teff cell proliferation. Mechanistic studies identified a Salt-inducible kinase-dependent phosphorylation of Panx1 serine 205 important for channel activation. A genetically targeted mouse expressing non-phosphorylatable Panx1S205A phenocopied the exacerbated inflammation in Panx1-/- mice. These data identify Panx1-dependent Treg:Teff cell communication in restricting airway disease.
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Affiliation(s)
- Christopher B Medina
- Center for Cell Clearance, University of Virginia, Charlottesville, VA 22908, USA; Departments of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA
| | - Yu-Hsin Chiu
- Department of Pharmacology, University of Virginia, Charlottesville, VA 22908, USA; Institute of Biotechnology and Department of Medical Science, National Tsing Hua University, Hsinchu, 30071, Taiwan
| | - Marta E Stremska
- Departments of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA
| | - Christopher D Lucas
- Center for Cell Clearance, University of Virginia, Charlottesville, VA 22908, USA
| | - Ivan Poon
- Department of Biochemistry and Genetics, La Trobe University, Melbourne, VIC 3083, Australia
| | - Kenneth S Tung
- Departments of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA; Carter Immunology Center, University of Virginia, Charlottesville, VA 22908, USA
| | - Michael R Elliott
- Center for Cell Clearance, University of Virginia, Charlottesville, VA 22908, USA; Departments of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA
| | - Bimal Desai
- Department of Pharmacology, University of Virginia, Charlottesville, VA 22908, USA
| | - Ulrike M Lorenz
- Departments of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA; Carter Immunology Center, University of Virginia, Charlottesville, VA 22908, USA
| | - Douglas A Bayliss
- Department of Pharmacology, University of Virginia, Charlottesville, VA 22908, USA
| | - Kodi S Ravichandran
- Center for Cell Clearance, University of Virginia, Charlottesville, VA 22908, USA; Departments of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA; Carter Immunology Center, University of Virginia, Charlottesville, VA 22908, USA; VIB/UGent Inflammation Research Centre and the Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium.
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69
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Kasal DN, Liang Z, Hollinger MK, O'Leary CY, Lisicka W, Sperling AI, Bendelac A. A Gata3 enhancer necessary for ILC2 development and function. Proc Natl Acad Sci U S A 2021; 118:e2106311118. [PMID: 34353913 PMCID: PMC8364216 DOI: 10.1073/pnas.2106311118] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The type 2 helper effector program is driven by the master transcription factor GATA3 and can be expressed by subsets of both innate lymphoid cells (ILCs) and adaptive CD4+ T helper (Th) cells. While ILC2s and Th2 cells acquire their type 2 differentiation program under very different contexts, the distinct regulatory mechanisms governing this common program are only partially understood. Here we show that the differentiation of ILC2s, and their concomitant high level of GATA3 expression, are controlled by a Gata3 enhancer, Gata3 +674/762, that plays only a minimal role in Th2 cell differentiation. Mice lacking this enhancer exhibited defects in several but not all type 2 inflammatory responses, depending on the respective degree of ILC2 and Th2 cell involvement. Our study provides molecular insights into the different gene regulatory pathways leading to the acquisition of the GATA3-driven type 2 helper effector program in innate and adaptive lymphocytes.
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Affiliation(s)
- Darshan N Kasal
- Committee on Immunology, University of Chicago, Chicago, IL 60637
- Department of Pathology, University of Chicago, Chicago, IL 60637
| | - Zhitao Liang
- Committee on Immunology, University of Chicago, Chicago, IL 60637
- Department of Pathology, University of Chicago, Chicago, IL 60637
| | - Maile K Hollinger
- Committee on Immunology, University of Chicago, Chicago, IL 60637
- Department of Medicine, Section of Pulmonary and Critical Care, University of Chicago, Chicago, IL 60637
| | | | - Wioletta Lisicka
- Committee on Immunology, University of Chicago, Chicago, IL 60637
- Department of Medicine, Section of Gastroenterology, University of Chicago, Chicago, IL 60637
| | - Anne I Sperling
- Committee on Immunology, University of Chicago, Chicago, IL 60637
- Department of Medicine, Section of Pulmonary and Critical Care, University of Chicago, Chicago, IL 60637
| | - Albert Bendelac
- Committee on Immunology, University of Chicago, Chicago, IL 60637;
- Department of Pathology, University of Chicago, Chicago, IL 60637
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Komlósi ZI, van de Veen W, Kovács N, Szűcs G, Sokolowska M, O'Mahony L, Akdis M, Akdis CA. Cellular and molecular mechanisms of allergic asthma. Mol Aspects Med 2021; 85:100995. [PMID: 34364680 DOI: 10.1016/j.mam.2021.100995] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/13/2021] [Accepted: 07/15/2021] [Indexed: 12/21/2022]
Abstract
Asthma is a chronic disease of the airways, which affects more than 350 million people worldwide. It is the most common chronic disease in children, affecting at least 30 million children and young adults in Europe. Asthma is a complex, partially heritable disease with a marked heterogeneity. Its development is influenced both by genetic and environmental factors. The most common, as well as the most well characterized subtype of asthma is allergic eosinophilic asthma, which is characterized by a type 2 airway inflammation. The prevalence of asthma has substantially increased in industrialized countries during the last 60 years. The mechanisms underpinning this phenomenon are incompletely understood, however increased exposure to various environmental pollutants probably plays a role. Disease inception is thought to be enabled by a disadvantageous shift in the balance between protective and harmful lifestyle and environmental factors, including exposure to protective commensal microbes versus infection with pathogens, collectively leading to airway epithelial cell damage and disrupted barrier integrity. Epithelial cell-derived cytokines are one of the main drivers of the type 2 immune response against innocuous allergens, ultimately leading to infiltration of lung tissue with type 2 T helper (TH2) cells, type 2 innate lymphoid cells (ILC2s), M2 macrophages and eosinophils. This review outlines the mechanisms responsible for the orchestration of type 2 inflammation and summarizes the novel findings, including but not limited to dysregulated epithelial barrier integrity, alarmin release and innate lymphoid cell stimulation.
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Affiliation(s)
- Zsolt I Komlósi
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad Sqr. 4, 1089, Budapest, Hungary.
| | - Willem van de Veen
- Swiss Institute of Allergy and Asthma Research (SIAF), Hermann-Burchard Strasse 9, CH7265, Davos Wolfgand, Switzerland; Christine Kühne - Center for Allergy Research and Education, Davos, Switzerland
| | - Nóra Kovács
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad Sqr. 4, 1089, Budapest, Hungary; Lung Health Hospital, Munkácsy Mihály Str. 70, 2045, Törökbálint, Hungary
| | - Gergő Szűcs
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad Sqr. 4, 1089, Budapest, Hungary; Department of Pulmonology, Semmelweis University, Tömő Str. 25-29, 1083, Budapest, Hungary
| | - Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research (SIAF), Hermann-Burchard Strasse 9, CH7265, Davos Wolfgand, Switzerland; Christine Kühne - Center for Allergy Research and Education, Davos, Switzerland
| | - Liam O'Mahony
- Department of Medicine and School of Microbiology, APC Microbiome Ireland, University College Cork, Ireland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), Hermann-Burchard Strasse 9, CH7265, Davos Wolfgand, Switzerland; Christine Kühne - Center for Allergy Research and Education, Davos, Switzerland
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), Hermann-Burchard Strasse 9, CH7265, Davos Wolfgand, Switzerland; Christine Kühne - Center for Allergy Research and Education, Davos, Switzerland
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Chitin induces steroid-resistant airway inflammation and airway hyperresponsiveness in mice. Allergol Int 2021; 70:343-350. [PMID: 33640239 DOI: 10.1016/j.alit.2020.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 09/17/2020] [Accepted: 12/27/2020] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Previous reports have shown that pathogen-associated patterns (PAMPs) induce the production of interleukin (IL)-1β in macrophages. Moreover, studies using mouse models also suggest that chitin, which acts as a PAMP, induces adjuvant effects and eosinophilic infiltration in the lung. Thus, we investigated the effects of inhaled chitin in mouse models. METHODS We developed mouse models of inhaled chitin particle-induced airway inflammation and steroid-resistant ovalbumin (OVA)-induced airway inflammation. Some experimental groups of mice were treated additionally with dexamethasone (DEX). Murine alveolar macrophages (AMs), which were purified from bronchoalveolar lavage (BAL) fluids, were incubated with chitin, and treated with or without DEX. RESULTS The numbers of total cells, AMs, lymphocytes, eosinophils, and neutrophils among BAL-derived cells, as well as the IL-1β levels in BAL fluids and the numbers of IL-1β-positive cells in lung, were significantly increased by chitin stimulation. Airway hyperresponsiveness (AHR) was aggravated in mice of the chitin inflammation model compared to control animals. The production of IL-1β was significantly increased in murine AMs by chitin treatment, but DEX administration did not inhibit this chitin-induced IL-1β production. Furthermore, in mouse models, DEX treatment inhibited the OVA-induced airway inflammation and AHR but not the airway inflammation and AHR induced by chitin or the combination of OVA and chitin. CONCLUSIONS These results suggest that inhaled chitin induces airway inflammation, AHR, and the production of IL-1β. Furthermore, our findings demonstrate for the first time that inhaled chitin induces steroid-resistant airway inflammation and AHR. Inhaled chitin may contribute to features of steroid-resistant asthma.
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Jiang M, Cai R, Wang J, Li Z, Xu D, Jing J, Zhang F, Li F, Ding J. ILC2 Cells Promote Th2 Cell Differentiation in AECOPD Through Activated Notch-GATA3 Signaling Pathway. Front Immunol 2021; 12:685400. [PMID: 34354706 PMCID: PMC8329850 DOI: 10.3389/fimmu.2021.685400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/25/2021] [Indexed: 12/11/2022] Open
Abstract
This study is to investigate the capacity of type 2 innate lymphoid cells (ILC2s) in regulating the Th2 type adaptive immune response of acute exacerbation of chronic obstructive pulmonary disease (AECOPD). The study enrolled healthy people, stable chronic obstructive pulmonary disease (COPD) patients, and AECOPD patients. Flow cytometry was used to detect Th2 and ILC2 cells in the peripheral blood. In addition, ILC2s from the peripheral blood of AECOPD patients were stimulated with PBS, IL-33, Jagged1, DAPT, IL-33+Jagged1, IL-33+DAPT, and IL-33+Jagged-1+DAP in vitro. The levels of cytokines in the culture supernatant were detected by ELISA and the culture supernatant was used to culture CD4 + T cells. The mRNA and protein levels of Notch1, hes1, GATA3, RORα, and NF-κB of ILC2s were detected by real-time PCR and Western blot. The proportion of Th2 and ILC2s was significantly increased in the peripheral blood of AECOPD patients, alone with the increased Notch1, hes1, and GATA3 mRNA levels. In vitro results showed that the mRNA and protein levels of Notch1, hes1, GATA3 and NF-κB were significantly increased after stimulation with Notch agonist, meanwhile, the level of type 2 cytokines were increased in the supernatant of cells stimulated with Notch agonist, and significantly promoted differentiation of Th2 cells in vitro. Disruption of Notch pathway weakened GATA3 expression and cytokine production, and ultimately affected the differentiation of Th2 cells. In conclusion, our results suggest that ILC2s can promote Th2 cell differentiation in AECOPD via activated Notch-GATA3 signal pathway.
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Affiliation(s)
- Min Jiang
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, China
| | - Ren Cai
- Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Jing Wang
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, China
| | - Zheng Li
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, China
| | - Dan Xu
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, China
| | - Jing Jing
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, China
| | - Fengbo Zhang
- Department of Clinical Laboratory, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Fengsen Li
- Xinjiang Laboratory of Respiratory Disease Research, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, China
| | - Jianbing Ding
- Department of Immunology, College of Basic Medicine, Xinjiang Medical University, Urumqi, China
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73
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Brown IK, Dyjack N, Miller MM, Krovi H, Rios C, Woolaver R, Harmacek L, Tu TH, O’Connor BP, Danhorn T, Vestal B, Gapin L, Pinilla C, Seibold MA, Scott-Browne J, Santos RG, Reinhardt RL. Single cell analysis of host response to helminth infection reveals the clonal breadth, heterogeneity, and tissue-specific programming of the responding CD4+ T cell repertoire. PLoS Pathog 2021; 17:e1009602. [PMID: 34106992 PMCID: PMC8216541 DOI: 10.1371/journal.ppat.1009602] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 06/21/2021] [Accepted: 05/01/2021] [Indexed: 12/30/2022] Open
Abstract
The CD4+ T cell response is critical to host protection against helminth infection. How this response varies across different hosts and tissues remains an important gap in our understanding. Using IL-4-reporter mice to identify responding CD4+ T cells to Nippostrongylus brasiliensis infection, T cell receptor sequencing paired with novel clustering algorithms revealed a broadly reactive and clonally diverse CD4+ T cell response. While the most prevalent clones and clonotypes exhibited some tissue selectivity, most were observed to reside in both the lung and lung-draining lymph nodes. Antigen-reactivity of the broader repertoires was predicted to be shared across both tissues and individual mice. Transcriptome, trajectory, and chromatin accessibility analysis of lung and lymph-node repertoires revealed three unique but related populations of responding IL-4+ CD4+ T cells consistent with T follicular helper, T helper 2, and a transitional population sharing similarity with both populations. The shared antigen reactivity of lymph node and lung repertoires combined with the adoption of tissue-specific gene programs allows for the pairing of cellular and humoral responses critical to the orchestration of anti-helminth immunity. Using various “omic” approaches, the CD4+ T cell receptor (TCR) repertoire was explored after primary helminth infection. Infection generated a broadly reactive and clonally diverse CD4+ T cell response with the most prevalent clonotypes and predicted antigen specificities residing in both the lung and lung-draining lymph nodes. Tissue-specific programming of responding CD4+ T cells directed the establishment of committed Tfh and Th2 cells, both critical for driving distinct hallmarks of type-2 inflammation. These datasets help to explore the diverse yet tissue-specific nature of anti-helminth immunity.
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Affiliation(s)
- Ivy K. Brown
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Nathan Dyjack
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
| | - Mindy M. Miller
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Harsha Krovi
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Cydney Rios
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
| | - Rachel Woolaver
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Laura Harmacek
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
| | - Ting-Hui Tu
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
| | - Brian P. O’Connor
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
- Department of Pediatrics, National Jewish Health, Denver, Colorado, United States of America
| | - Thomas Danhorn
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
| | - Brian Vestal
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
| | - Laurent Gapin
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Clemencia Pinilla
- Florida International University, Port Saint Lucie, Florida, United States of America
| | - Max A. Seibold
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
- Department of Pediatrics, National Jewish Health, Denver, Colorado, United States of America
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - James Scott-Browne
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, Colorado, United States of America
- Center for Genes, Environment, and Health, National Jewish Health, Denver, Colorado, United States of America
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Radleigh G. Santos
- Department of Mathematics, Nova Southeastern University, Fort Lauderdale, Florida, United States of America
| | - R. Lee Reinhardt
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, Colorado, United States of America
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
- * E-mail:
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74
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Sbierski-Kind J, Mroz N, Molofsky AB. Perivascular stromal cells: Directors of tissue immune niches. Immunol Rev 2021; 302:10-31. [PMID: 34075598 DOI: 10.1111/imr.12984] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/05/2021] [Accepted: 05/09/2021] [Indexed: 12/12/2022]
Abstract
Perivascular niches are specialized microenvironments where stromal and immune cells interact with vasculature to monitor tissue status. Adventitial perivascular niches surround larger blood vessels and other boundary sites, supporting collections of immune cells, stromal cells, lymphatics, and neurons. Adventitial fibroblasts (AFs), a subtype of mesenchymal stromal cell, are the dominant constituents in adventitial spaces, regulating vascular integrity while organizing the accumulation and activation of a variety of interacting immune cells. In contrast, pericytes are stromal mural cells that support microvascular capillaries and surround organ-specific parenchymal cells. Here, we outline the unique immune and non-immune composition of perivascular tissue immune niches, with an emphasis on the heterogeneity and immunoregulatory functions of AFs and pericytes across diverse organs. We will discuss how perivascular stromal cells contribute to the regulation of innate and adaptive immune responses and integrate immunological signals to impact tissue health and disease.
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Affiliation(s)
- Julia Sbierski-Kind
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Nicholas Mroz
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA.,Biomedical Sciences Graduate Program, University of California San Francisco, San Francisco, CA, USA
| | - Ari B Molofsky
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA.,Diabetes Center, University of California San Francisco, San Francisco, CA, USA
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75
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Ghaedi M, Takei F. Innate lymphoid cell development. J Allergy Clin Immunol 2021; 147:1549-1560. [PMID: 33965092 DOI: 10.1016/j.jaci.2021.03.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/25/2022]
Abstract
Innate lymphoid cells (ILCs) mainly reside at barrier surfaces and regulate tissue homeostasis and immunity. ILCs are divided into 3 groups, group 1 ILCs, group 2 ILCs, and group 3 ILC3, on the basis of their similar effector programs to T cells. The development of ILCs from lymphoid progenitors in adult mouse bone marrow has been studied in detail, and multiple ILC progenitors have been characterized. ILCs are mostly tissue-resident cells that develop in the perinatal period. More recently, ILC progenitors have also been identified in peripheral tissues. In this review, we discuss the stepwise transcription factor-directed differentiation of mouse ILC progenitors into mature ILCs, the critical time windows in ILC development, and the contribution of bone marrow versus tissue ILC progenitors to the pool of mature ILCs in tissues.
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Affiliation(s)
- Maryam Ghaedi
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Fumio Takei
- the Department of Pathology and Laboratory Medicine, University of British Columbia (UBC), Vancouver, British Columbia, Canada; Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada.
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76
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Rodriguez-Rodriguez N, Gogoi M, McKenzie AN. Group 2 Innate Lymphoid Cells: Team Players in Regulating Asthma. Annu Rev Immunol 2021; 39:167-198. [PMID: 33534604 PMCID: PMC7614118 DOI: 10.1146/annurev-immunol-110119-091711] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Type 2 immunity helps protect the host from infection, but it also plays key roles in tissue homeostasis, metabolism, and repair. Unfortunately, inappropriate type 2 immune reactions may lead to allergy and asthma. Group 2 innate lymphoid cells (ILC2s) in the lungs respond rapidly to local environmental cues, such as the release of epithelium-derived type 2 initiator cytokines/alarmins, producing type 2 effector cytokines such as IL-4, IL-5, and IL-13 in response to tissue damage and infection. ILC2s are associated with the severity of allergic asthma, and experimental models of lung inflammation have shown how they act as playmakers, receiving signals variously from stromal and immune cells as well as the nervous system and then distributing cytokine cues to elicit type 2 immune effector functions and potentiate CD4+ T helper cell activation, both of which characterize the pathology of allergic asthma. Recent breakthroughs identifying stromal- and neuronal-derived microenvironmental cues that regulate ILC2s, along with studies recognizing the potential plasticity of ILC2s, have improved our understanding of the immunoregulation of asthma and opened new avenues for drug discovery.
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Affiliation(s)
- Noe Rodriguez-Rodriguez
- Medical Research Council, Laboratory of Molecular Biology, Cambridge, Cambridgeshire, CB2 0QH. UK
| | - Mayuri Gogoi
- Medical Research Council, Laboratory of Molecular Biology, Cambridge, Cambridgeshire, CB2 0QH. UK
| | - Andrew N.J. McKenzie
- Medical Research Council, Laboratory of Molecular Biology, Cambridge, Cambridgeshire, CB2 0QH. UK,Corresponding author:
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77
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Calise J, Garabatos N, Bajzik V, Farrington M, Robinson D, Jeong D, Londei M, Wambre E. Optimal human pathogenic T H2 cell effector function requires local epithelial cytokine signaling. J Allergy Clin Immunol 2021; 148:867-875.e4. [PMID: 33662368 DOI: 10.1016/j.jaci.2021.02.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 02/04/2021] [Accepted: 02/09/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND IL-33 is an emerging key factor in development of allergic diseases. The IL-33 receptor (suppressor of tumorigenicity [ST2]) is a differentially expressed gene in pathogenic TH2 cells, but its role in T-cell effector function has not been elucidated. OBJECTIVE We investigated the role of IL-33 in modulating circulating allergen-specific T-cell responses. We hypothesized that selective ST2 expression on allergen-specific CD4+ T cells would confer susceptibility to the effects of IL-33. METHODS PBMCs from subjects with food allergy, inhalant allergy, and no allergy were obtained on the basis of clinical history and serum IgE level. A T-cell receptor-dependent CD154 upregulation assay and direct peptide major histocompatibility complex class II tetramer staining were used to profile allergen-specific CD4+ T cells by flow cytometry. Allergen-specific CD4+ T cell cytokine production was evaluated during IL-33 exposure. ST2 expression was also tracked by using a 2-color flow-based assay. RESULTS ST2 expression on peripheral allergen-specific CD4+ T cells was confined to subjects with allergy and restricted to TH2A cells. Comparison between direct peptide major histocompatibility complex class II tetramer staining and the CD154 functional assay identified ST2 as a marker of TH2A cell activation. IL-33 exposure enhanced IL-4 and IL-5 secretion in allergen-reactive TH2A cells. Allergen-induced ST2 expression on peripheral CD4+ T cells can be used to track allergen-reactive TH2A cells from donors with allergy. CONCLUSION ST2 expression on circulating CD4+ T cells represents a transient phenotype associated with TH2A cell activation, allowing these cells to sense locally elicited tissue cytokines. IL-33 selectively amplifies pathogenic TH2 cell effector functions, suggesting a tissue checkpoint that may regulate adaptive allergic immunity.
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Affiliation(s)
- Justine Calise
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, Wash
| | - Nahir Garabatos
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, Wash
| | - Veronique Bajzik
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, Wash
| | | | | | - David Jeong
- Virginia Mason Medical Center, Seattle, Wash
| | | | - Erik Wambre
- Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, Wash.
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78
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Coquet JM. A singular role for interleukin-9 in the development of asthma. Sci Immunol 2021; 5:5/48/eabc4021. [PMID: 32532833 DOI: 10.1126/sciimmunol.abc4021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 05/21/2020] [Indexed: 12/16/2022]
Abstract
Interleukin-9 expression by T helper cells marks allergic individuals who develop asthma (see the related Research Article by Seumois et al.).
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Affiliation(s)
- Jonathan M Coquet
- Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden.
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79
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Florsheim EB, Sullivan ZA, Khoury-Hanold W, Medzhitov R. Food allergy as a biological food quality control system. Cell 2021; 184:1440-1454. [PMID: 33450204 DOI: 10.1016/j.cell.2020.12.007] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/21/2020] [Accepted: 12/04/2020] [Indexed: 12/17/2022]
Abstract
Food is simultaneously a source of essential nutrients and a potential source of lethal toxins and pathogens. Consequently, multiple sensory mechanisms evolved to monitor the quality of food based on the presence and relative abundance of beneficial and harmful food substances. These include the olfactory, gustatory, and gut chemosensory systems. Here we argue that, in addition to these systems, allergic immunity plays a role in food quality control by mounting allergic defenses against food antigens associated with noxious substances. Exaggeration of these defenses can result in pathological food allergy.
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Affiliation(s)
- Esther B Florsheim
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Zuri A Sullivan
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - William Khoury-Hanold
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Ruslan Medzhitov
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA; Howard Hughes Medical Institute, New Haven, CT 06510, USA.
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80
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Cephus J, Gandhi VD, Shah R, Brooke Davis J, Fuseini H, Yung JA, Zhang J, Kita H, Polosukhin VV, Zhou W, Newcomb DC. Estrogen receptor-α signaling increases allergen-induced IL-33 release and airway inflammation. Allergy 2021; 76:255-268. [PMID: 32648964 DOI: 10.1111/all.14491] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 06/04/2020] [Accepted: 06/20/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND Group 2 innate lymphoid cells (ILC2) are stimulated by IL-33 to increase IL-5 and IL-13 production and airway inflammation. While sex hormones regulate airway inflammation, it remained unclear whether estrogen signaling through estrogen receptor-α (ER-α, Esr1) or ER-β (Esr2) increased ILC2-mediated airway inflammation. We hypothesize that estrogen signaling increases allergen-induced IL-33 release, ILC2 cytokine production, and airway inflammation. METHODS Female Esr1-/- , Esr2-/- , wild-type (WT), and IL33fl/fl eGFP mice were challenged with Alternaria extract (Alt Ext) or vehicle for 4 days. In select experiments, mice were administered tamoxifen or vehicle pellets for 21 days prior to challenge. Lung ILC2, IL-5 and IL-13 production, and BAL inflammatory cells were measured on day 5 of Alt Ext challenge model. Bone marrow from WT and Esr1-/- female mice was transferred (1:1 ratio) into WT female recipients for 6 weeks followed by Alt Ext challenge. hBE33 cells and normal human bronchial epithelial cells (NHBE) were pretreated with 17β-estradiol (E2), propyl-pyrazole-triol (PPT, ER-α agonist), or diarylpropionitrile (DPN, ER-β agonist) before allergen challenge to determine IL-33 gene expression and release, extracellular ATP release, DUOX-1 production, and necrosis. RESULTS Alt Ext challenged Esr1-/- , but not Esr2-/- , mice had decreased IL-5 and IL-13 production, BAL eosinophils, and IL-33 release compared to WT mice. Tamoxifen decreased IL-5 and IL-13 production and BAL eosinophils. IL-33eGFP + epithelial cells were decreased in Alt Ext challenged Esr1-/- mice compared to WT mice. 17β-E2 or PPT, but not DPN, increased IL-33 gene expression, release, and DUOX-1 production in hBE33 or NHBE cells. CONCLUSION Estrogen receptor -α signaling increased IL-33 release and ILC2-mediated airway inflammation.
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Affiliation(s)
- Jacqueline‐Yvonne Cephus
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Vivek D. Gandhi
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Ruchi Shah
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Jordan Brooke Davis
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Hubaida Fuseini
- Department of Pathology, Microbiology, and Immunology Vanderbilt University Nashville Tennessee USA
| | - Jeffrey A. Yung
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Jian Zhang
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Hirohito Kita
- Allergic Diseases Research Laboratory Mayo Clinic Phoenix Arizona USA
| | - Vasiliy V. Polosukhin
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Weisong Zhou
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
| | - Dawn C. Newcomb
- Department of Medicine Division of Allergy, Pulmonary, and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
- Department of Pathology, Microbiology, and Immunology Vanderbilt University Nashville Tennessee USA
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81
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Hung LY, Tanaka Y, Herbine K, Pastore C, Singh B, Ferguson A, Vora N, Douglas B, Zullo K, Behrens EM, Li Hui Tan T, Kohanski MA, Bryce P, Lin C, Kambayashi T, Reed DR, Brown BL, Cohen NA, Herbert DR. Cellular context of IL-33 expression dictates impact on anti-helminth immunity. Sci Immunol 2020; 5:5/53/eabc6259. [PMID: 33188058 DOI: 10.1126/sciimmunol.abc6259] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 09/28/2020] [Indexed: 12/13/2022]
Abstract
Interleukin-33 (IL-33) is a pleiotropic cytokine that can promote type 2 inflammation but also drives immunoregulation through Foxp3+Treg expansion. How IL-33 is exported from cells to serve this dual role in immunosuppression and inflammation remains unclear. Here, we demonstrate that the biological consequences of IL-33 activity are dictated by its cellular source. Whereas IL-33 derived from epithelial cells stimulates group 2 innate lymphoid cell (ILC2)-driven type 2 immunity and parasite clearance, we report that IL-33 derived from myeloid antigen-presenting cells (APCs) suppresses host-protective inflammatory responses. Conditional deletion of IL-33 in CD11c-expressing cells resulted in lowered numbers of intestinal Foxp3+Treg cells that express the transcription factor GATA3 and the IL-33 receptor ST2, causing elevated IL-5 and IL-13 production and accelerated anti-helminth immunity. We demonstrate that cell-intrinsic IL-33 promoted mouse dendritic cells (DCs) to express the pore-forming protein perforin-2, which may function as a conduit on the plasma membrane facilitating IL-33 export. Lack of perforin-2 in DCs blocked the proliferative expansion of the ST2+Foxp3+Treg subset. We propose that perforin-2 can provide a plasma membrane conduit in DCs that promotes the export of IL-33, contributing to mucosal immunoregulation under steady-state and infectious conditions.
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Affiliation(s)
- Li-Yin Hung
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Yukinori Tanaka
- Department of Dental Anesthesiology and Pain Management, Tohoku University Hospital, Sendai, Miyagi 980-8574, Japan
| | - Karl Herbine
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Christopher Pastore
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Brenal Singh
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Annabel Ferguson
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Nisha Vora
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Bonnie Douglas
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kelly Zullo
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Edward M Behrens
- Division of Rheumatology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Tiffany Li Hui Tan
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Michael A Kohanski
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Paul Bryce
- Immunology and Inflammation Therapeutic Area, Sanofi US, Cambridge, MA 02319, USA
| | - Cailu Lin
- Monell Chemical Senses Center, Philadelphia, PA 19104, USA
| | - Taku Kambayashi
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | | | - Breann L Brown
- Department of Biochemistry, Center for Structural Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Noam A Cohen
- Department of Otorhinolaryngology-Head and Neck Surgery, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, PA 19104, USA.,Monell Chemical Senses Center, Philadelphia, PA 19104, USA.,Michael J. Crescenz Veterans Affairs Medical Center Surgical Service, Philadelphia, PA 19104, USA
| | - De'Broski R Herbert
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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82
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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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Ricardo-Gonzalez RR, Schneider C, Liao C, Lee J, Liang HE, Locksley RM. Tissue-specific pathways extrude activated ILC2s to disseminate type 2 immunity. J Exp Med 2020; 217:133703. [PMID: 32031571 PMCID: PMC7144525 DOI: 10.1084/jem.20191172] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 11/21/2019] [Accepted: 01/14/2020] [Indexed: 12/13/2022] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) are tissue-resident cells prominent at barrier sites. Although precursors are found in blood, mature ILC2s can enter the circulation after small intestinal perturbation by migratory helminths and move to distant tissues to influence the local reparative response. Using fate-mapping and methods to bypass the lung or intestinal phases of Nippostrongylus brasiliensis infection, we show that blood ILC2s comprise heterogeneous populations derived from distinct tissues that are dependent on alarmins matched to the receptor profile of the specific tissue ILC2s. Activation of local ILC2s by tissue-specific alarmins induced their proliferation, lymph node migration, and blood dissemination, thus systemically distributing type 2 cytokines. These studies uncover a possible mechanism by which local innate responses transition to systemic type 2 responses by extrusion of activated sentinel ILC2s from tissue into the circulation.
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Affiliation(s)
| | - Christoph Schneider
- Department of Medicine, University of California, San Francisco, San Francisco, CA
| | - Chang Liao
- Department of Medicine, University of California, San Francisco, San Francisco, CA
| | - Jinwoo Lee
- Department of Medicine, University of California, San Francisco, San Francisco, CA
| | - Hong-Erh Liang
- Department of Medicine, University of California, San Francisco, San Francisco, CA
| | - Richard M Locksley
- Department of Medicine, University of California, San Francisco, San Francisco, CA.,Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA.,Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA
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84
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Chen W, Shu Q, Fan J. Neural Regulation of Interactions Between Group 2 Innate Lymphoid Cells and Pulmonary Immune Cells. Front Immunol 2020; 11:576929. [PMID: 33193374 PMCID: PMC7658006 DOI: 10.3389/fimmu.2020.576929] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 10/05/2020] [Indexed: 12/18/2022] Open
Abstract
Emerging evidence supports the involvement of nervous system in the regulation of immune responses. Group 2 innate lymphoid cells (ILC2), which function as a crucial bridge between innate and adaptive immunity, are present in large numbers in barrier tissues. Neuropeptides and neurotransmitters have been found to participate in the regulation of ILC2, adding a new dimension to neuroimmunity. However, a comprehensive and detailed overview of the mechanisms of neural regulation of ILC2, associated with previous findings and prospects for future research, is still lacking. In this review, we compile existing information that supports neurons as yet poorly understood regulators of ILC2 in the field of lung innate and adaptive immunity, focusing on neural regulation of the interaction between ILC2 and pulmonary immune cells.
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Affiliation(s)
- Weiwei Chen
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Qiang Shu
- The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jie Fan
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Research and Development, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA, United States.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, United States
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85
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Miller MM, Patel PS, Bao K, Danhorn T, O'Connor BP, Reinhardt RL. BATF acts as an essential regulator of IL-25-responsive migratory ILC2 cell fate and function. Sci Immunol 2020; 5:5/43/eaay3994. [PMID: 31924686 DOI: 10.1126/sciimmunol.aay3994] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022]
Abstract
A transitory, interleukin-25 (IL-25)-responsive, group 2 innate lymphoid cell (ILC2) subset induced during type 2 inflammation was recently identified as iILC2s. This study focuses on understanding the significance of this population in relation to tissue-resident nILC2s in the lung and intestine. RNA-sequencing and pathway analysis revealed the AP-1 superfamily transcription factor BATF (basic leucine zipper transcription factor, activating transcription factor-like) as a potential modulator of ILC2 cell fate. Infection of BATF-deficient mice with Nippostrongylus brasiliensis showed a selective defect in IL-25-mediated helminth clearance and a corresponding loss of iILC2s in the lung characterized as IL-17RBhigh, KLRG1high, BATFhigh, and Arg1low BATF deficiency selectively impaired iILC2s because it had no impact on tissue-resident nILC2 frequency or function. Pulmonary-associated iILC2s migrated to the lung after infection, where they represented an early source of IL-4 and IL-13. Although the composition of ILC2s in the small intestine was distinct from those in the lung, their frequency and IL-13 expression remained dependent on BATF, which was also required for optimal goblet and tuft cell hyperplasia. Findings support IL-25-responsive ILC2s as early sentinels of mucosal barrier integrity.
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Affiliation(s)
- Mindy M Miller
- Department of Biomedical Research, National Jewish Health, Denver, CO 80206, USA.
| | - Preeyam S Patel
- Department of Biomedical Research, National Jewish Health, Denver, CO 80206, USA
| | - Katherine Bao
- Department of Immunology, Duke University Medical Center, Durham, NC 27710, USA
| | - Thomas Danhorn
- Center for Genes, Environment and Health, National Jewish Health, Denver, CO 80206, USA
| | - Brian P O'Connor
- Center for Genes, Environment and Health, National Jewish Health, Denver, CO 80206, USA.,Department of Pediatrics, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, USA.,Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - R Lee Reinhardt
- Department of Biomedical Research, National Jewish Health, Denver, CO 80206, USA. .,Department of Immunology, Duke University Medical Center, Durham, NC 27710, USA.,Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
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86
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Faustino LD, Griffith JW, Rahimi RA, Nepal K, Hamilos DL, Cho JL, Medoff BD, Moon JJ, Vignali DAA, Luster AD. Interleukin-33 activates regulatory T cells to suppress innate γδ T cell responses in the lung. Nat Immunol 2020; 21:1371-1383. [PMID: 32989331 PMCID: PMC7578082 DOI: 10.1038/s41590-020-0785-3] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 08/13/2020] [Indexed: 12/20/2022]
Abstract
Foxp3+ regulatory T (Treg) cells expressing the interleukin (IL)-33 receptor ST2 mediate tissue repair in response to IL-33. Whether Treg cells also respond to the alarmin IL-33 to regulate specific aspects of the immune response is not known. Here we describe an unexpected function of ST2+ Treg cells in suppressing the innate immune response in the lung to environmental allergens without altering the adaptive immune response. Following allergen exposure, ST2+ Treg cells were activated by IL-33 to suppress IL-17-producing γδ T cells. ST2 signaling in Treg cells induced Ebi3, a component of the heterodimeric cytokine IL-35 that was required for Treg cell-mediated suppression of γδ T cells. This response resulted in fewer eosinophil-attracting chemokines and reduced eosinophil recruitment into the lung, which was beneficial to the host in reducing allergen-induced inflammation. Thus, we define a fundamental role for ST2+ Treg cells in the lung as a negative regulator of the early innate γδ T cell response to mucosal injury.
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Affiliation(s)
- Lucas D Faustino
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Jason W Griffith
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Rod A Rahimi
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Keshav Nepal
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Daniel L Hamilos
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Josalyn L Cho
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Benjamin D Medoff
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - James J Moon
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Dario A A Vignali
- Department of Immunology, University of Pittsburgh School of Medicine and Tumor Microenvironment Center, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Andrew D Luster
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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87
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Brandt EB, Bolcas PE, Ruff BP, Khurana Hershey GK. IL33 contributes to diesel pollution-mediated increase in experimental asthma severity. Allergy 2020; 75:2254-2266. [PMID: 31922608 DOI: 10.1111/all.14181] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 10/25/2019] [Accepted: 11/25/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Exposure to traffic pollution, notably diesel exhaust particles (DEP), increases risk for asthma and asthma exacerbations. The contribution of cytokines generated by stressed lung epithelial cells (IL25, IL33, TSLP) to DEP-induced asthma severity remains poorly understood. METHODS BALB/c mice were exposed intratracheally once to DEP or 9 times over 3-weeks to either saline, DEP, and/or house dust mite extract (HDM). Airway hyper-responsiveness (AHR), pulmonary inflammation, and T-cell subsets were assessed 24 hours after the last exposure in mice sufficient and deficient for the IL33 receptor ST2. RESULTS DEP exposure induces oxidative stress, IL6, neutrophils and pulmonary accumulation of IL33, but not IL25 or TSLP or other features of allergic disease. When mice are co-exposed to DEP and low doses of HDM, DEP increases IL33 lung levels and Th2 responses. ST2 deficiency partially protected mice from HDM + DEP induced AHR in association with decreased type 2 inflammation and lung levels of IL5+ IL17A+ co-producing T-cells. Upon in vitro HDM challenge of lung cells from HDM ± DEP exposed ST2-/- mice, secretion of IL5, IL13, IL6 and IL17A was abrogated by a mechanism involving IL33 signaling in both dendritic cells and T-cells. HDM + DEP exposed bone marrow derived dendritic cells and IL33 pulsed BMDC promote a mixed Th2/Th17 response that was dependent on ST2 expression by CD4+ T-cells. CONCLUSION IL33 contributes to DEP mediated increase in allergen-induced Th2 inflammation and AHR in a mouse model of severe steroid resistant asthma, potentially through the accumulation of pathogenic IL5+ IL17A+ CD4+ effector T-cells.
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Affiliation(s)
- Eric B. Brandt
- Division of Asthma Research Cincinnati Children's Hospital Medical Center Cincinnati OH USA
| | - Paige E. Bolcas
- Division of Asthma Research Cincinnati Children's Hospital Medical Center Cincinnati OH USA
| | - Brandy P. Ruff
- Division of Asthma Research Cincinnati Children's Hospital Medical Center Cincinnati OH USA
| | - Gurjit K. Khurana Hershey
- Division of Asthma Research Cincinnati Children's Hospital Medical Center Cincinnati OH USA
- Department of Pediatrics University of Cincinnati College of Medicine Cincinnati OH USA
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88
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Hogenkamp A, Ehlers A, Garssen J, Willemsen LEM. Allergy Modulation by N-3 Long Chain Polyunsaturated Fatty Acids and Fat Soluble Nutrients of the Mediterranean Diet. Front Pharmacol 2020; 11:1244. [PMID: 32973501 PMCID: PMC7472571 DOI: 10.3389/fphar.2020.01244] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 07/29/2020] [Indexed: 12/12/2022] Open
Abstract
The Mediterranean diet, containing valuable nutrients such as n-3 long chain poly-unsaturated fatty acids (LCPUFAs) and other fat-soluble micronutrients, is known for its health promoting and anti-inflammatory effects. Its valuable elements might help in the battle against the rising prevalence of non-communicable diseases (NCD), including the development of allergic diseases and other (chronic) inflammatory diseases. The fat fraction of the Mediterranean diet contains bioactive fatty acids but can also serve as a matrix to dissolve and increase the uptake of fat-soluble vitamins and phytochemicals, such as luteolin, quercetin, resveratrol and lycopene with known immunomodulatory and anti-inflammatory capacities. Especially n-3 LCPUFAs such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) derived from marine oils can target specific receptors or signaling cascades, act as eicosanoid precursors and/or alter membrane fluidity and lipid raft formation, hereby exhibiting anti-inflammatory properties. Beyond n-3 LCPUFAs, fat-soluble vitamins A, D, E, and K1/2 have the potential to affect pro-inflammatory signaling cascades by interacting with receptors or activating/inhibiting signaling proteins or phosphorylation in immune cells (DCs, T-cells, mast cells) involved in allergic sensitization or the elicitation/effector phase of allergic reactions. Moreover, fat-soluble plant-derived phytochemicals can manipulate signaling cascades, mostly by interacting with other receptors or signaling proteins compared to those modified by fat-soluble vitamins, suggesting potential additive or synergistic actions by applying a combination of these nutrients which are all part of the regular Mediterranean diet. Research concerning the effects of phytochemicals such as polyphenols has been hampered due to their poor bio-availability. However, their solubility and uptake are improved by applying them within the dietary fat matrix. Alternatively, they can be prepared for targeted delivery by means of pharmaceutical approaches such as encapsulation within liposomes or even unique nanoparticles. This review illuminates the molecular mechanisms of action and possible immunomodulatory effects of n-3 LCPUFAs and fat-soluble micronutrients from the Mediterranean diet in allergic disease development and allergic inflammation. This will enable us to further appreciate how to make use of the beneficial effects of n-3 LCPUFAs, fat-soluble vitamins and a selection of phytochemicals as active biological components in allergy prevention and/or symptom reduction.
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Affiliation(s)
- Astrid Hogenkamp
- Division of Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Anna Ehlers
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.,Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Johan Garssen
- Division of Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands.,Global Centre of Excellence Immunology, Danone Nutricia Research B.V., Utrecht, Netherlands
| | - Linette E M Willemsen
- Division of Pharmacology, Department of Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
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89
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Miller MM, Reinhardt RL. The Heterogeneity, Origins, and Impact of Migratory iILC2 Cells in Anti-helminth Immunity. Front Immunol 2020; 11:1594. [PMID: 32793230 PMCID: PMC7390839 DOI: 10.3389/fimmu.2020.01594] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/16/2020] [Indexed: 12/12/2022] Open
Abstract
Soil-transmitted helminths represent a major global health burden with infections and infection-related comorbidities causing significant reductions in the quality of life for individuals living in endemic areas. Repeated infections and chronic colonization by these large extracellular worms in mammals led to the evolution of type-2 immunity characterized by the production of the type-2 cytokines interleukin (IL)-4, IL-5, and IL-13. Although a number of adaptive and innate immune cells produce type-2 cytokines, a key cellular source in the context of helminth infection is group 2 innate lymphoid cells (ILC2s). ILC2s promote mucosal barrier homeostasis, integrity, and repair by rapidly responding to epithelial cues in mucosal tissues. Though tissue-resident ILC2s (nILC2s) have been studied in detail over the last decade, considerably less is known with regard to a subset of inflammatory ILC2s (iILC2s) that migrate to the lungs of mice early after Nippostrongylus brasiliensis infection and are potent early producers of type-2 cytokines. This review will discuss the relationship and differences between nILC2s and iILC2s that establish their unique roles in anti-helminth immunity. We have placed particular emphasis on studies investigating iILC2 origin, function, and their potential long-term contribution to tissue-resident ILC2 reservoirs in settings of helminth infection.
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Affiliation(s)
- Mindy M Miller
- Department of Biomedical Research, National Jewish Health, Denver, CO, United States
| | - R Lee Reinhardt
- Department of Biomedical Research, National Jewish Health, Denver, CO, United States.,Department of Immunology and Microbiology, University of Colorado-Anschutz Medical, Aurora, CO, United States
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90
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Joubert AI, Geppert M, Johnson L, Mills-Goodlet R, Michelini S, Korotchenko E, Duschl A, Weiss R, Horejs-Höck J, Himly M. Mechanisms of Particles in Sensitization, Effector Function and Therapy of Allergic Disease. Front Immunol 2020; 11:1334. [PMID: 32714326 PMCID: PMC7344151 DOI: 10.3389/fimmu.2020.01334] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 05/26/2020] [Indexed: 12/15/2022] Open
Abstract
Humans have always been in contact with natural airborne particles from many sources including biologic particulate matter (PM) which can exhibit allergenic properties. With industrialization, anthropogenic and combustion-derived particles have become a major fraction. Currently, an ever-growing number of diverse and innovative materials containing engineered nanoparticles (NPs) are being developed with great expectations in technology and medicine. Nanomaterials have entered everyday products including cosmetics, textiles, electronics, sports equipment, as well as food, and food packaging. As part of natural evolution humans have adapted to the exposure to particulate matter, aiming to protect the individual's integrity and health. At the respiratory barrier, complications can arise, when allergic sensitization and pulmonary diseases occur in response to particle exposure. Particulate matter in the form of plant pollen, dust mites feces, animal dander, but also aerosols arising from industrial processes in occupational settings including diverse mixtures thereof can exert such effects. This review article gives an overview of the allergic immune response and addresses specifically the mechanisms of particulates in the context of allergic sensitization, effector function and therapy. In regard of the first theme (i), an overview on exposure to particulates and the functionalities of the relevant immune cells involved in allergic sensitization as well as their interactions in innate and adaptive responses are described. As relevant for human disease, we aim to outline (ii) the potential effector mechanisms that lead to the aggravation of an ongoing immune deviation (such as asthma, chronic obstructive pulmonary disease, etc.) by inhaled particulates, including NPs. Even though adverse effects can be exerted by (nano)particles, leading to allergic sensitization, and the exacerbation of allergic symptoms, promising potential has been shown for their use in (iii) therapeutic approaches of allergic disease, for example as adjuvants. Hence, allergen-specific immunotherapy (AIT) is introduced and the role of adjuvants such as alum as well as the current understanding of their mechanisms of action is reviewed. Finally, future prospects of nanomedicines in allergy treatment are described, which involve modern platform technologies combining immunomodulatory effects at several (immuno-)functional levels.
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Affiliation(s)
- Anna I Joubert
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Mark Geppert
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Litty Johnson
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Robert Mills-Goodlet
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Sara Michelini
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Evgeniia Korotchenko
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Albert Duschl
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Richard Weiss
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Jutta Horejs-Höck
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
| | - Martin Himly
- Division of Allergy and Immunology, Department of Biosciences, University of Salzburg, Salzburg, Austria
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91
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Seo GY, Giles DA, Kronenberg M. The role of innate lymphoid cells in response to microbes at mucosal surfaces. Mucosal Immunol 2020; 13:399-412. [PMID: 32047273 PMCID: PMC7186215 DOI: 10.1038/s41385-020-0265-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 02/04/2023]
Abstract
Innate lymphoid cells (ILCs) are a lymphocyte population that is mostly resident at mucosal surfaces. They help to induce an appropriate immune response to the microbiome at homeostasis. In healthy people, the mucosal immune system works symbiotically with organisms that make up the microbiota. ILCs play a critical role in orchestrating this balance, as they can both influence and in turn be influenced by the microbiome. ILCs also are important regulators of the early response to infections by diverse types of pathogenic microbes at mucosal barriers. Their rapid responses initiate inflammatory programs, production of antimicrobial products and repair processes. This review will focus on the role of ILCs in response to the microbiota and to microbial infections of the lung and intestine.
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Affiliation(s)
- Goo-Young Seo
- Division of Developmental Immunology, La Jolla Institute for Immunology, 9420 Athena Circle La Jolla, CA, 92037, USA
| | - Daniel A Giles
- Division of Developmental Immunology, La Jolla Institute for Immunology, 9420 Athena Circle La Jolla, CA, 92037, USA
| | - Mitchell Kronenberg
- Division of Developmental Immunology, La Jolla Institute for Immunology, 9420 Athena Circle La Jolla, CA, 92037, USA,Division of Biology, University of California San Diego, La Jolla, CA 92037, USA,Correspondence:
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92
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Boothby IC, Cohen JN, Rosenblum MD. Regulatory T cells in skin injury: At the crossroads of tolerance and tissue repair. Sci Immunol 2020; 5:eaaz9631. [PMID: 32358172 PMCID: PMC7274208 DOI: 10.1126/sciimmunol.aaz9631] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/08/2020] [Indexed: 12/21/2022]
Abstract
Skin injury is a highly inflammatory process that is carefully regulated to mitigate tissue damage and allow for proper barrier repair. Regulatory T cells (Tregs) are crucial coordinators of the immune response to injury in several organs. Here, we review the emerging role of Tregs in facilitating skin repair after injury. We focus on recently discovered interactions between lymphocytes and nonhematopoietic cells during wound healing and discuss how these interactions are regulated both by "classical" suppressive mechanisms of Tregs and by "nonclassical" reparative Treg functions.
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Affiliation(s)
- Ian C Boothby
- Department of Dermatology, University of California, San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
- Medical Scientist Training Program, University of California, San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Jarish N Cohen
- Department of Pathology, University of California, San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Michael D Rosenblum
- Department of Dermatology, University of California, San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA.
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93
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Ogden HL, Lai Y, Nolin JD, An D, Frevert CW, Gelb MH, Altemeier WA, Hallstrand TS. Secreted Phospholipase A 2 Group X Acts as an Adjuvant for Type 2 Inflammation, Leading to an Allergen-Specific Immune Response in the Lung. THE JOURNAL OF IMMUNOLOGY 2020; 204:3097-3107. [PMID: 32341057 DOI: 10.4049/jimmunol.2000102] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/05/2020] [Indexed: 11/19/2022]
Abstract
Secreted phospholipase A2 (sPLA2) enzymes release free fatty acids, including arachidonic acid, and generate lysophospholipids from phospholipids, including membrane phospholipids from cells and bacteria and surfactant phospholipids. We have shown that an endogenous enzyme sPLA2 group X (sPLA2-X) is elevated in the airways of asthmatics and that mice lacking the sPLA2-X gene (Pla2g10) display attenuated airway hyperresponsiveness, innate and adaptive immune responses, and type 2 cytokine production in a model of airway sensitization and challenge using a complete allergen that induces endogenous adjuvant activity. This complete allergen also induces the expression of sPLA2-X/Pla2g10 In the periphery, an sPLA2 found in bee venom (bee venom PLA2) administered with the incomplete Ag OVA leads to an Ag-specific immune response. In this study, we demonstrate that both bee venom PLA2 and murine sPLA2-X have adjuvant activity, leading to a type 2 immune response in the lung with features of airway hyperresponsiveness and Ag-specific type 2 airway inflammation following peripheral sensitization and subsequent airway challenge with OVA. Further, the adjuvant effects of sPLA2-X that result in the type 2-biased OVA-specific adaptive immune response in the lung were dependent upon the catalytic activity of the enzyme, as a catalytically inactive mutant form of sPLA2-X does not elicit the adaptive component of the immune response, although other components of the immune response were induced by the inactive enzyme, suggesting receptor-mediated effects. Our results demonstrate that exogenous and endogenous sPLA2s play an important role in peripheral sensitization, resulting in airway responses to inhaled Ags.
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Affiliation(s)
- Herbert Luke Ogden
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109
| | - Ying Lai
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109
| | - James D Nolin
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109
| | - Dowon An
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109
| | - Charles W Frevert
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109.,Department of Comparative Medicine, University of Washington, Seattle, WA 98109
| | - Michael H Gelb
- Department of Chemistry, University of Washington, Seattle, WA 98195; and.,Department of Biochemistry, University of Washington, Seattle, WA 98195
| | - William A Altemeier
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109
| | - Teal S Hallstrand
- Division of Pulmonary, Critical Care and Sleep, Department of Medicine, University of Washington, Seattle, WA 98109;
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94
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Zheng R, Chen Y, Shi J, Wang K, Huang X, Sun Y, Yang Q. Combinatorial IL-17RB, ST2, and TSLPR Signaling in Dendritic Cells of Patients With Allergic Rhinitis. Front Cell Dev Biol 2020; 8:207. [PMID: 32309281 PMCID: PMC7145954 DOI: 10.3389/fcell.2020.00207] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/10/2020] [Indexed: 12/14/2022] Open
Abstract
Objectives Myeloid dendritic cells (DCs) in patients with allergic rhinitis (AR) express higher levels of IL-17RB, ST2, and TSLPR. However, their functional roles in DCs are much less clear. This study aimed to determine the combined effects of these three receptor signals on the T cell-polarizing function of DCs in AR patients. Methods Monocyte-derived DCs (mo-DCs) were generated and stimulated with Toll-like receptor (TLR) 1-9 ligands. Der.p1-induced mo-DCs were stimulated with different combinations of IL-25, IL-33, and TSLP to determine phenotypic characteristics and then co-cultured with CD4+ T cells to assess Th2 cytokine production. Expression levels of IL-17RB, ST2, and TSLPR on myeloid DCs (mDCs) from peripheral blood of AR and healthy subjects were detected to confirm the association of these receptors with disease severity. Results TLR ligands induced AR-derived mo-DCs to increase IL-17RB, ST2, and TSLPR expression by varying degrees; among these, Der.p1 was the strongest inducer. Der.p1-induced mo-DCs from AR showed increased OX40L expression. IL-25, IL-33, and TSLP (alone or in double combination) significantly increased OX40L expression on Der.p1-induced mo-DCs from AR, thereby increasing the production of IL-4, IL-5, and IL-13 in co-cultured CD4+ T cells; triple combination further enhanced these effects. The percentage of IL-17RB+ST2+TSLPR+ mDCs was increased in AR, higher in moderate to severe phase than in mild phase, and positively correlated with the percentages of IL-4+, IL-5+, and IL-13+ T cells. Conclusion A combination of IL-17RB, ST2, and TSLPR signals amplified the Th2-polarizing function of DCs and was associated with disease severity in AR patients.
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Affiliation(s)
- Rui Zheng
- Department of Otorhinolaryngology-Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yang Chen
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jianbo Shi
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Kai Wang
- Department of Otorhinolaryngology-Head and Neck Surgery, First People's Hospital of Foshan, Foshan, China
| | - Xuekun Huang
- Department of Otorhinolaryngology-Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yueqi Sun
- Department of Otolaryngology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Qintai Yang
- Department of Otorhinolaryngology-Head and Neck Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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95
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Leyva-Castillo JM, Galand C, Mashiko S, Bissonnette R, McGurk A, Ziegler SF, Dong C, McKenzie ANJ, Sarfati M, Geha RS. ILC2 activation by keratinocyte-derived IL-25 drives IL-13 production at sites of allergic skin inflammation. J Allergy Clin Immunol 2020; 145:1606-1614.e4. [PMID: 32179159 PMCID: PMC7282942 DOI: 10.1016/j.jaci.2020.02.026] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/15/2020] [Accepted: 02/20/2020] [Indexed: 12/21/2022]
Abstract
Background Atopic dermatitis skin lesions demonstrate increased expression of IL-25 by keratinocytes and increased numbers of type 2 innate lymphoid cells (ILC2s) that express high levels of IL-25 receptor (IL-25R). IL-13 is expressed in atopic dermatitis skin lesions and plays an important role in pathogenesis of the disease. Objective Our aim was to determine the role of IL-25 and ILC2s in a mouse model of antigen-driven allergic skin inflammation. Methods Wild-type mice; mice that express an Il13-driven enhanced green fluorescent protein; and mice that lack IL-25R, IL-25 in keratinocytes, or IL-13 or IL-25R in ILC2s were subjected to acute or chronic epicutaneous sensitization with ovalbumin. Sensitized skin was examined by histology for epidermal thickening. Cellular infiltrates were analyzed for surface markers and intracellular expression of enhanced green fluorescent protein by flow cytometry. Gene expression was quantitated by RT quantitative PCR. Result In both acute and chronic antigen-driven allergic skin inflammation, signaling by keratinocyte-derived IL-25 in ILC2s is important for epidermal hyperplasia, dermal infiltration by CD4+ T cells, and cutaneous expression of Il13 and the IL-13–dependent TH2-cell–attracting chemokines Cc17 and Ccl22. ILCs are the major source of IL-13 in acutely sensitized mouse skin, whereas T cells are its major source in chronically sensitized mouse skin. Conclusion ILC2 activation by IL-25 is essential for IL-13 expression at sites of allergic skin inflammation.
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Affiliation(s)
| | - Claire Galand
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Shunya Mashiko
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Canada
| | | | - Alex McGurk
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Steven F Ziegler
- Immunology Program, Benaroya Research Institute, Seattle, Wash; Department of Immunology, University of Washington School of Medicine, Seattle, Wash
| | - Chen Dong
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Beijing, China
| | - Andrew N J McKenzie
- Medical Research Council, Laboratory of Molecular Biology, Cambridge, United Kingdom
| | - Marika Sarfati
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Canada
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass.
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96
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Tuft-Cell-Derived Leukotrienes Drive Rapid Anti-helminth Immunity in the Small Intestine but Are Dispensable for Anti-protist Immunity. Immunity 2020; 52:528-541.e7. [PMID: 32160525 DOI: 10.1016/j.immuni.2020.02.005] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 01/08/2020] [Accepted: 02/18/2020] [Indexed: 02/07/2023]
Abstract
Helminths, allergens, and certain protists induce type 2 immune responses, but the underlying mechanisms of immune activation remain poorly understood. In the small intestine, chemosensing by epithelial tuft cells results in the activation of group 2 innate lymphoid cells (ILC2s), which subsequently drive increased tuft cell frequency. This feedforward circuit is essential for intestinal remodeling and helminth clearance. ILC2 activation requires tuft-cell-derived interleukin-25 (IL-25), but whether additional signals regulate the circuit is unclear. Here, we show that tuft cells secrete cysteinyl leukotrienes (cysLTs) to rapidly activate type 2 immunity following chemosensing of helminth infection. CysLTs cooperate with IL-25 to activate ILC2s, and tuft-cell-specific ablation of leukotriene synthesis attenuates type 2 immunity and delays helminth clearance. Conversely, cysLTs are dispensable for the tuft cell response induced by intestinal protists. Our findings identify an additional tuft cell effector function and suggest context-specific regulation of tuft-ILC2 circuits within the small intestine.
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97
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Wiesner DL, Merkhofer RM, Ober C, Kujoth GC, Niu M, Keller NP, Gern JE, Brockman-Schneider RA, Evans MD, Jackson DJ, Warner T, Jarjour NN, Esnault SJ, Feldman MB, Freeman M, Mou H, Vyas JM, Klein BS. Club Cell TRPV4 Serves as a Damage Sensor Driving Lung Allergic Inflammation. Cell Host Microbe 2020; 27:614-628.e6. [PMID: 32130954 DOI: 10.1016/j.chom.2020.02.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 12/28/2019] [Accepted: 02/12/2020] [Indexed: 12/12/2022]
Abstract
Airway epithelium is the first body surface to contact inhaled irritants and report danger. Here, we report how epithelial cells recognize and respond to aeroallergen alkaline protease 1 (Alp1) of Aspergillus sp., because proteases are critical components of many allergens that provoke asthma. In a murine model, Alp1 elicits helper T (Th) cell-dependent lung eosinophilia that is initiated by the rapid response of bronchiolar club cells to Alp1. Alp1 damages bronchiolar cell junctions, which triggers a calcium flux signaled through calcineurin within club cells of the bronchioles, inciting inflammation. In two human cohorts, we link fungal sensitization and/or asthma with SNP/protein expression of the mechanosensitive calcium channel, TRPV4. TRPV4 is also necessary and sufficient for club cells to sensitize mice to Alp1. Thus, club cells detect junction damage as mechanical stress, which signals danger via TRPV4, calcium, and calcineurin to initiate allergic sensitization.
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Affiliation(s)
- Darin L Wiesner
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Richard M Merkhofer
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Carole Ober
- Department of Human Genetics, University of Chicago, Chicago, IL 60637, USA
| | - Gregory C Kujoth
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Mengyao Niu
- Department of Medical Microbiology and Immunology University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Nancy P Keller
- Department of Medical Microbiology and Immunology University of Wisconsin-Madison, Madison, WI 53706, USA; School of Bacteriology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - James E Gern
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA
| | | | - Michael D Evans
- Clinical and Translational Science Institute, University of Minnesota, Minneapolis, MN 55455, USA
| | - Daniel J Jackson
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Thomas Warner
- Department of Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Nizar N Jarjour
- Department of Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Stephane J Esnault
- Department of Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Michael B Feldman
- Division of Pulmonary and Critical Care Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Matthew Freeman
- School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Hongmei Mou
- The Mucosal Immunology & Biology Research Center, Harvard Medical School, Boston, MA 02115, USA; Division of Pediatric Pulmonary Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Jatin M Vyas
- Division of Infectious Disease, Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Bruce S Klein
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Medical Microbiology and Immunology University of Wisconsin-Madison, Madison, WI 53706, USA.
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98
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Ghaedi M, Shen ZY, Orangi M, Martinez-Gonzalez I, Wei L, Lu X, Das A, Heravi-Moussavi A, Marra MA, Bhandoola A, Takei F. Single-cell analysis of RORα tracer mouse lung reveals ILC progenitors and effector ILC2 subsets. J Exp Med 2020; 217:e20182293. [PMID: 31816636 PMCID: PMC7062532 DOI: 10.1084/jem.20182293] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 07/12/2019] [Accepted: 10/30/2019] [Indexed: 12/16/2022] Open
Abstract
Lung group 2 innate lymphoid cells (ILC2s) drive allergic inflammation and promote tissue repair. ILC2 development is dependent on the transcription factor retinoic acid receptor-related orphan receptor (RORα), which is also expressed in common ILC progenitors. To elucidate the developmental pathways of lung ILC2s, we generated RORα lineage tracer mice and performed single-cell RNA sequencing, flow cytometry, and functional analyses. In adult mouse lungs, we found an IL-18Rα+ST2- population different from conventional IL-18Rα-ST2+ ILC2s. The former was GATA-3intTcf7EGFP+Kit+, produced few cytokines, and differentiated into multiple ILC lineages in vivo and in vitro. In neonatal mouse lungs, three ILC populations were identified, namely an ILC progenitor population similar to that in adult lungs and two distinct effector ILC2 subsets that differentially produced type 2 cytokines and amphiregulin. Lung ILC progenitors might actively contribute to ILC-poiesis in neonatal and inflamed adult lungs. In addition, neonatal lung ILC2s include distinct proinflammatory and tissue-repairing subsets.
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Affiliation(s)
- Maryam Ghaedi
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada
| | - Zi Yi Shen
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada
| | - Mona Orangi
- Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada
- Interdisciplinary Oncology Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Itziar Martinez-Gonzalez
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada
| | - Lisa Wei
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, British Columbia, Canada
| | - Xiaoxiao Lu
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Arundhoti Das
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Alireza Heravi-Moussavi
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, British Columbia, Canada
| | - Marco A. Marra
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, British Columbia, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Avinash Bhandoola
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Fumio Takei
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Terry Fox Laboratory, B.C. Cancer, Vancouver, British Columbia, Canada
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99
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Zhang K, Jin Y, Lai D, Wang J, Wang Y, Wu X, Scott M, Li Y, Hou J, Billiar T, Wilson M, Shu Q, Fang X, Fan J. RAGE-induced ILC2 expansion in acute lung injury due to haemorrhagic shock. Thorax 2020; 75:209-219. [PMID: 31937554 PMCID: PMC7063398 DOI: 10.1136/thoraxjnl-2019-213613] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 12/11/2019] [Accepted: 12/18/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Type 2 immune dysfunction contributes to acute lung injury and lethality following haemorrhagic shock (HS) and trauma. Group 2 innate lymphoid cells (ILC2s) play a significant role in the regulation of type 2 immune responses. However, the role of ILC2 in post-HS acute lung injury and the underlying mechanism has not yet been elucidated. OBJECTIVE To investigate the regulatory role of ILC2s in HS-induced acute lung injury and the underlying mechanism in patients and animal model. METHODS Circulating markers of type 2 immune responses in patients with HS and healthy controls were characterised. Using a murine model of HS, the role of high-mobility group box 1 (HMGB1)-receptor for advanced glycation end products (RAGE) signalling in regulation of ILC2 proliferation, survival and function was determined. And the role of ILC2 in inducing type 2 immune dysfunction was assessed as well. RESULTS The number of ILC2s was significantly increased in the circulation of patients with HS that was correlated with the increase in the markers of type 2 immune responses in the patients. Animal studies showed that HMGB1 acted via RAGE to induce ILC2 accumulation in the lungs by promoting ILC2 proliferation and decreasing ILC2 death. The expansion of ILC2s resulted in type 2 cytokines secretion and eosinophil infiltration in the lungs, both of which contributed to lung injury after HS. CONCLUSIONS These results indicate that HMGB1-RAGE signalling plays a critical role in regulating ILC2 biological function that aggravates type 2 lung inflammation following HS.
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Affiliation(s)
- Kai Zhang
- Department of Anesthesiology and Intensive Care, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, Zhejiang, China
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Yue Jin
- Department of Anesthesiology and Intensive Care, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, Zhejiang, China
| | - Dengming Lai
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Thoracic and Cardiovascular Surgery, Zhejiang University School of Medicine Children's Hospital, Hangzhou, Zhejiang, China
| | - Jieyan Wang
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Yang Wang
- Department of Anesthesiology and Intensive Care, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, Zhejiang, China
| | - Xiaoliang Wu
- Department of Anesthesiology and Intensive Care, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, Zhejiang, China
| | - Melanie Scott
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Yuehua Li
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Research and Development, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA
| | - Jinchao Hou
- Department of Anesthesiology and Intensive Care, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, Zhejiang, China
| | - Timothy Billiar
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mark Wilson
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Research and Development, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA
| | - Qiang Shu
- Department of Thoracic and Cardiovascular Surgery, Zhejiang University School of Medicine Children's Hospital, Hangzhou, Zhejiang, China
| | - Xiangming Fang
- Department of Anesthesiology and Intensive Care, Zhejiang University School of Medicine First Affiliated Hospital, Hangzhou, Zhejiang, China
| | - Jie Fan
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Research and Development, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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100
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ILC2s in High Definition: Decoding the Logic of Tissue-Based Immunity. Trends Immunol 2020; 41:7-16. [DOI: 10.1016/j.it.2019.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 11/07/2019] [Accepted: 11/07/2019] [Indexed: 12/31/2022]
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