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Junge KM, Buchenauer L, Elter E, Butter K, Kohajda T, Herberth G, Röder S, Borte M, Kiess W, von Bergen M, Simon JC, Rolle-Kampczyk UE, Lehmann I, Gminski R, Ohlmeyer M, Polte T. Wood emissions and asthma development: Results from an experimental mouse model and a prospective cohort study. ENVIRONMENT INTERNATIONAL 2021; 151:106449. [PMID: 33611105 DOI: 10.1016/j.envint.2021.106449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 12/22/2020] [Accepted: 02/03/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Increased use of renewable resources like sustainably produced wood in construction or for all sorts of long-lived products is considered to contribute to reducing society's carbon footprint. However, as a natural, biological material, wood and wood products emit specific volatile organic compounds (VOCs). Therefore, the evaluation of possible health effects due to wood emissions is of major interest. OBJECTIVES We investigated the effects of an exposure to multiple wood-related VOCs on asthma development. METHODS A murine asthma model was used to evaluate possible allergic and inflammatory effects on the lung after short- or long-term and perinatal exposure to pinewood or oriented strand board (OSB). In addition, wood-related VOCs were measured within the German prospective mother-child cohort LINA and their joint effect on early wheezing or asthma development in children until the age of 10 was estimated by Bayesian kernel machine regression (BKMR) stratifying also for family history of atopy (FHA). RESULTS Our experimental data show that neither pinewood nor OSB emissions even at high total VOC levels and a long-lasting exposure period induce significant inflammatory or asthma-promoting effects in sensitized or non-sensitized mice. Moreover, an exposure during the vulnerable time window around birth was also without effect. Consistently, in our mother-child cohort LINA, an exposure to multiple wood-related VOCs during pregnancy or the first year of life was not associated with early wheezing or asthma development in children independent from their FHA. CONCLUSION Our findings indicate that emissions from wood and wood products at levels commonly occurring in the living environment do not exert adverse effects concerning wheezing or asthma development.
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Affiliation(s)
- Kristin M Junge
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
| | - Lisa Buchenauer
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Elena Elter
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Katja Butter
- Thünen Institute of Wood Research, Hamburg, Germany
| | - Tibor Kohajda
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Molecular Systems Biology, Leipzig, Germany
| | - Gunda Herberth
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
| | - Stefan Röder
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
| | - Michael Borte
- Children's Hospital, Municipal Hospital "St. Georg", Leipzig, Germany
| | - Wieland Kiess
- University of Leipzig, Hospital for Children and Adolescents - Centre for Pediatric Research, Leipzig, Germany; University of Leipzig, LIFE - Leipzig Research Centre for Civilization Diseases, Leipzig, Germany
| | - Martin von Bergen
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Molecular Systems Biology, Leipzig, Germany; University of Leipzig, Faculty of Life Sciences, Institute of Biochemistry, Leipzig, Germany
| | - Jan C Simon
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Ulrike E Rolle-Kampczyk
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Molecular Systems Biology, Leipzig, Germany
| | - Irina Lehmann
- Charité - Universitätsmedizin Berlin, Environmental Epigenetics and Lung Research Group, Berlin, Germany; Berlin Institute of Health (BIH), Molecular Epidemiology, Berlin, Germany
| | - Richard Gminski
- Institute for Infection Prevention and Hospital Epidemiology, Environmental Medicine, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | | | - Tobias Polte
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany.
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2
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Gracias DT, Sethi GS, Mehta AK, Miki H, Gupta RK, Yagita H, Croft M. Combination blockade of OX40L and CD30L inhibits allergen-driven memory T H2 cell reactivity and lung inflammation. J Allergy Clin Immunol 2020; 147:2316-2329. [PMID: 33160971 DOI: 10.1016/j.jaci.2020.10.037] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 10/09/2020] [Accepted: 10/20/2020] [Indexed: 01/13/2023]
Abstract
BACKGROUND The selective reduction of memory TH2 cell responses could be key to affording tolerance and protection from the recurrence of damaging allergic pathology. OBJECTIVE We asked whether TNF family costimulatory molecules cooperated to promote accumulation and reactivity of effector memory CD4 T cells to inhaled complex allergen, and whether their neutralization could promote airway tolerance to subsequent reexposure to allergen. METHODS Mice were sensitized intraperitoneally or intranasally with house dust mite and challenged with intranasal allergen after memory had developed. We assessed whether single or combined blockade of OX40L/CD252 and CD30L/CD153 inhibited memory T cells from driving acute asthmatic lung inflammation and protected mice following exposure to allergen at a later time. RESULTS OX40- or CD30-deficient animals showed strong or partial protection against allergic airway inflammation; however, neutralizing either molecule alone during the secondary response to allergen had little effect on the frequency of effector memory CD4 T cells formed and acute lung inflammation. In contrast, a significant reduction in eosinophilic inflammation was observed when OX40L and CD30L were simultaneously neutralized, with dual blockade inhibiting effector memory TH2 cell expansion in the lungs, whereas formation of peripherally induced regulatory T cells remained intact. Moreover, dual blockade during the secondary response resulted in a tolerogenic state such that mice did not develop a normal tertiary memory TH2 cell and lung inflammatory response when challenged weeks later with allergen. CONCLUSION Memory T-cell responses to complex allergens are controlled by several TNF costimulatory interactions, and their combination targeting might represent a strategy to reduce the severity of inflammatory reactions following reexposure to allergen.
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Affiliation(s)
- Donald T Gracias
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, Calif
| | - Gurupreet S Sethi
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, Calif
| | - Amit K Mehta
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, Calif
| | - Haruka Miki
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, Calif
| | - Rinkesh K Gupta
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, Calif
| | - Hideo Yagita
- Department of Immunology, Juntendo University School of Medicine, Tokyo, Japan
| | - Michael Croft
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, La Jolla, Calif; Department of Medicine, University of California San Diego, La Jolla, Calif.
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3
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Phillips BG, Wang Y, Ambati S, Ma P, Meagher RB. Airways therapy of obstructive sleep apnea dramatically improves aberrant levels of soluble cytokines involved in autoimmune disease. Clin Immunol 2020; 221:108601. [PMID: 33017651 DOI: 10.1016/j.clim.2020.108601] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/21/2020] [Accepted: 09/25/2020] [Indexed: 12/17/2022]
Abstract
Obstructive Sleep Apnea (OSA) damages the health of 35% of adult Americans. Disordered sleep results in increased risk of several autoimmune disorders, but the molecular links to autoimmunity are poorly understood. Herein, we identified four cytokines associated with autoimmune disease, whose median serum levels were significantly different for OSA patients receiving airways therapy, from the levels in untreated OSA patients, APRIL (5.2-fold lower, p = 3.5 × 10-11), CD30 (1.6-fold higher, p = 7.7 × 10-5), IFN-Alpha-2 (2.9-fold higher, p = 9.6 × 10-14) and IL-2 (1.9-fold higher, p = 0.0003). Cytokine levels in airways treated patients were similar to the levels in control subjects. t-SNE and UMAP analysis of these high dimensional patient cytokine data identified only two groups, suggesting a similar global response for all four cytokines to airways therapy. Our findings suggest the levels of these four cytokines may be altered by disordered sleep and perhaps by chronic hypoxia. Therapeutic options are discussed.
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Affiliation(s)
- Bradley G Phillips
- Clinical and Administrative Pharmacy, University of Georgia, Athens, GA 30602, USA; Clinical and Translational Research Unit, University of Georgia, Athens, GA 30602, USA
| | - Ye Wang
- Department of Statistics, University of Georgia, Athens, GA 30602, USA
| | - Suresh Ambati
- Department of Genetics, University of Georgia, Athens, GA 30602, USA
| | - Ping Ma
- Department of Statistics, University of Georgia, Athens, GA 30602, USA
| | - Richard B Meagher
- Department of Genetics, University of Georgia, Athens, GA 30602, USA.
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4
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Abstract
The rising incidence of allergic disease requires more specific, effective and safe therapeutic strategies. In this regard, several kinds of biologically active substances, commonly known as immunostimulants, have been introduced for the prevention and treatment of allergic diseases in pediatric population. Among the heterogeneous group of biologically active molecules to date available, pidotimod (Axil, Valeas S.p.A, Milan) is proved to be able to ameliorate both innate and adaptive immunity and enhances the immune system properties often impaired in patients with allergic disorders.
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Affiliation(s)
- Sara Manti
- Unit of Pediatric Respiratory, Department of Clinical and Experimental Medicine, AOU Vittorio Emanuele Polyclinic, San Marco Hospital, University of Catania, Catania, Italy -
| | - Giuseppe F Parisi
- Unit of Pediatric Respiratory, Department of Clinical and Experimental Medicine, AOU Vittorio Emanuele Polyclinic, San Marco Hospital, University of Catania, Catania, Italy
| | - Maria Papale
- Unit of Pediatric Respiratory, Department of Clinical and Experimental Medicine, AOU Vittorio Emanuele Polyclinic, San Marco Hospital, University of Catania, Catania, Italy
| | - Salvatore Leonardi
- Unit of Pediatric Respiratory, Department of Clinical and Experimental Medicine, AOU Vittorio Emanuele Polyclinic, San Marco Hospital, University of Catania, Catania, Italy
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Mohajeri M, Kovanen PT, Bianconi V, Pirro M, Cicero AFG, Sahebkar A. Mast cell tryptase - Marker and maker of cardiovascular diseases. Pharmacol Ther 2019; 199:91-110. [PMID: 30877022 DOI: 10.1016/j.pharmthera.2019.03.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 03/01/2019] [Indexed: 12/14/2022]
Abstract
Mast cells are tissue-resident cells, which have been proposed to participate in various inflammatory diseases, among them the cardiovascular diseases (CVDs). For mast cells to be able to contribute to an inflammatory process, they need to be activated to exocytose their cytoplasmic secretory granules. The granules contain a vast array of highly bioactive effector molecules, the neutral protease tryptase being the most abundant protein among them. The released tryptase may act locally in the inflamed cardiac or vascular tissue, so contributing directly to the pathogenesis of CVDs. Moreover, a fraction of the released tryptase reaches the systemic circulation, thereby serving as a biomarker of mast cell activation. Actually, increased levels of circulating tryptase have been found to associate with CVDs. Here we review the biological relevance of the circulating tryptase as a biomarker of mast cell activity in CVDs, with special emphasis on the relationship between activation of mast cells in their tissue microenvironments and the pathophysiological pathways of CVDs. Based on the available in vitro and in vivo studies, we highlight the potential molecular mechanisms by which tryptase may contribute to the pathogenesis of CVDs. Finally, the synthetic and natural inhibitors of tryptase are reviewed for their potential utility as therapeutic agents in CVDs.
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Affiliation(s)
- Mohammad Mohajeri
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Vanessa Bianconi
- Unit of Internal Medicine, Department of Medicine, University of Perugia, Perugia, Italy
| | - Matteo Pirro
- Unit of Internal Medicine, Department of Medicine, University of Perugia, Perugia, Italy
| | - Arrigo F G Cicero
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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6
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Abstract
INTRODUCTION Tryptase is one of the main serine-proteinases located in the secretory granules of mast cells, and is released through degranulation, which is involved in the pathogenesis of allergic inflammatory disease, cardiovascular diseases, lung fibrosis and tumor. Therefore, inhibitors targeting tryptase may represent a new direction for the treatment of allergic inflammatory disease and other diseases. Areas covered: In this article, we discussed the history and development of tryptase inhibitors and described a variety of tryptase inhibitors via their structures and biological importance in clinical studies and drug development for tryptase-related diseases. Expert opinion: Initial tryptase inhibitors based on indole structure as the hydrophobic substituent on a benzylamine-piperidine template have low specificity and poor bioavailability. Therefore, designing new and specific inhibitors targeting tryptase should be involved in future clinical studies. Modifications toward indoles with varying N-substitution, introducing an amide bond, and growing the chain length contribute to an increase in the specific selectivity and potency of tryptase inhibitors. Tryptase has become the research hotspot to explore many related diseases. Therefore, there has been growing appreciation for the potential importance of the tryptase inhibitors as a target for treating these diseases.
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Affiliation(s)
- Wei-Wei Ni
- a Research Division of Clinical Pharmacology , the First Affiliated Hospital of Nanjing Medical University , Nanjing , Jiangsu , China
| | - Meng-Da Cao
- a Research Division of Clinical Pharmacology , the First Affiliated Hospital of Nanjing Medical University , Nanjing , Jiangsu , China
| | - Wen Huang
- a Research Division of Clinical Pharmacology , the First Affiliated Hospital of Nanjing Medical University , Nanjing , Jiangsu , China
| | - Ling Meng
- a Research Division of Clinical Pharmacology , the First Affiliated Hospital of Nanjing Medical University , Nanjing , Jiangsu , China
| | - Ji-Fu Wei
- a Research Division of Clinical Pharmacology , the First Affiliated Hospital of Nanjing Medical University , Nanjing , Jiangsu , China
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Burrows KE, Dumont C, Thompson CL, Catley MC, Dixon KL, Marshall D. OX40 blockade inhibits house dust mite driven allergic lung inflammation in mice and in vitro allergic responses in humans. Eur J Immunol 2015; 45:1116-28. [PMID: 25545270 DOI: 10.1002/eji.201445163] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Revised: 11/18/2014] [Accepted: 12/19/2014] [Indexed: 12/21/2022]
Abstract
The costimulatory receptor OX40 is expressed on activated T cells and regulates T-cell responses. Here, we show the efficacy and mechanism of action of an OX40 blocking antibody using the chronic house dust mite (HDM) mouse model of lung inflammation and in vitro HDM stimulation of cells from HDM allergic human donors. We have demonstrated that OX40 blockade leads to a reduction in the number of eosinophils and neutrophils in the lavage fluid and lung tissue of HDM sensitized mice. This was accompanied by a decrease in activated and memory CD4(+) T cells in the lungs and further analysis revealed that both the Th2 and Th17 populations were inhibited. Improved lung function and decreased HDM-specific antibody responses were also noted. Significantly, efficacy was observed even when anti-OX40 treatment was delayed until after inflammation was established. OX40 blockade also inhibited the release of the Th2 cytokines IL-5 and IL-13 from cells isolated from HDM allergic human donors. Altogether, our data provide evidence of a role of the OX40/OX40L pathway in ongoing allergic lung inflammation and support clinical studies of a blocking OX40 antibody in Th2 high severe asthma patients.
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Affiliation(s)
- Katie E Burrows
- Immunology Therapeutic Area, UCB Pharma, Slough, Berkshire, UK
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Lifetime-dependent effects of bisphenol A on asthma development in an experimental mouse model. PLoS One 2014; 9:e100468. [PMID: 24950052 PMCID: PMC4065062 DOI: 10.1371/journal.pone.0100468] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 05/26/2014] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Environmental factors are thought to contribute significantly to the increase of asthma prevalence in the last two decades. Bisphenol A (BPA) is a xenoestrogen commonly used in consumer products and the plastic industry. There is evidence and an ongoing discussion that endocrine disruptors like BPA may affect human health and also exert alterations on in the immune system. The aim of this study was to investigate age-dependent effects of BPA on the asthma risk using a murine model to explain the controversial results reported till date. METHODS BALB/c mice were exposed to BPA via the drinking water for different time periods including pregnancy and breastfeeding. To induce an asthma phenotype, mice were sensitized to ovalbumin (OVA), followed by an intrapulmonary allergen challenge. RESULTS BPA exposure during pregnancy and breastfeeding had no significant effect on asthma development in the offspring. In contrast, lifelong exposure from birth until the last antigen challenge clearly increased eosinophilic inflammation in the lung, airway hyperreactivity and antigen-specific serum IgE levels in OVA-sensitized adult mice compared to mice without BPA exposure. Surprisingly, BPA intake during the sensitization period significantly reduced the development of allergic asthma. This effect was reversed in the presence of a glucocorticoid receptor antagonist. CONCLUSIONS Our results demonstrate that the impact of BPA on asthma risk is strongly age-dependent and ranges from asthma-promoting to asthma-reducing effects. This could explain the diversity of results from previous studies regarding the observed health impact of BPA.
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Abstract
CD30 is a transmembrane receptor, normally not expressed by mast cells, which regulates proliferation/apoptosis and antibody responses. Aberrant expression of CD30 by mastocytosis mast cells and interaction with its ligand CD30L (CD153) appears to play an important role in the pathogenesis and clinical presentation of systemic mastocytosis. This article highlights the expression profile and role of CD30 and CD30L in physiologic and pathologic conditions, the applicability of CD30 as a marker for systemic mastocytosis, the consequences of mast cell-expressed CD30, and the possibility of future anti-CD30 based cytoreductive therapies.
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Gusareva ES, Kurey I, Grekov I, Lipoldová M. Genetic regulation of immunoglobulin E level in different pathological states: integration of mouse and human genetics. Biol Rev Camb Philos Soc 2013; 89:375-405. [DOI: 10.1111/brv.12059] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2012] [Revised: 06/14/2013] [Accepted: 07/31/2013] [Indexed: 12/22/2022]
Affiliation(s)
- Elena S. Gusareva
- Institute of Molecular Genetics; Academy of Sciences of the Czech Republic; Prague 4 Czech Republic
| | - Iryna Kurey
- Institute of Molecular Genetics; Academy of Sciences of the Czech Republic; Prague 4 Czech Republic
| | - Igor Grekov
- Institute of Molecular Genetics; Academy of Sciences of the Czech Republic; Prague 4 Czech Republic
| | - Marie Lipoldová
- Institute of Molecular Genetics; Academy of Sciences of the Czech Republic; Prague 4 Czech Republic
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Rothemund S, Sönnichsen FD, Polte T. Therapeutic potential of the peptide leucine arginine as a new nonplant bowman-birk-like serine protease inhibitor. J Med Chem 2013; 56:6732-44. [PMID: 23988198 DOI: 10.1021/jm4005362] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The peptide leucine arginine (pLR) belongs to a new class of cyclic peptides isolated from frog skin. Its primary sequence is similar to the reactive loop of plant Bowman-Birk inhibitors (BBI), and the recently discovered circular sunflower trypsin inhibitor-1 (SFTI-1). The conformational properties of pLR in solution were determined by NMR spectroscopy and revealed excellent structural similarity to BBI and SFTI-1. Moreover, pLR is a highly potent trypsin inhibitor, with Ki values in the nanomolar range, and, due to its small size, a potential inhibitor of the serine protease tryptase. Since tryptase plays a crucial role in the development of allergic airway inflammation, the therapeutic potential of pLR in a murine asthma model was investigated. Treatment of ovalbumin-sensitized mice with pLR during allergen challenge reduced the acute asthma phenotype. Most importantly, application even at the end of a long-lasting chronic asthma model decreased the development of chronic airway inflammation and tissue remodeling.
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Affiliation(s)
- Sven Rothemund
- Interdisciplinary Center of Clinical Research, University of Leipzig , Leipzig, Germany
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12
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Bönisch U, Böhme A, Kohajda T, Mögel I, Schütze N, von Bergen M, Simon JC, Lehmann I, Polte T. Volatile organic compounds enhance allergic airway inflammation in an experimental mouse model. PLoS One 2012; 7:e39817. [PMID: 22802943 PMCID: PMC3389035 DOI: 10.1371/journal.pone.0039817] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Accepted: 05/27/2012] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Epidemiological studies suggest an association between exposure to volatile organic compounds (VOCs) and adverse allergic and respiratory symptoms. However, whether VOCs exhibit a causal role as adjuvants in asthma development remains unclear. METHODS To investigate the effect of VOC exposure on the development of allergic airway inflammation Balb/c mice were exposed to VOCs emitted by new polyvinylchloride (PVC) flooring, sensitized with ovalbumin (OVA) and characterized in acute and chronic murine asthma models. Furthermore, prevalent evaporated VOCs were analyzed and mice were exposed to selected single VOCs. RESULTS Exposure of mice to PVC flooring increased eosinophilic lung inflammation and OVA-specific IgE serum levels compared to un-exposed control mice. The increased inflammation was associated with elevated levels of Th2-cytokines. Long-term exposure to PVC flooring exacerbated chronic airway inflammation. VOCs with the highest concentrations emitted by new PVC flooring were N-methyl-2-pyrrolidone (NMP) and 2,2,4-trimethyl-1,3-pentanediol diisobutyrate (TXIB). Exposure to NMP or TXIB also increased the allergic immune response in OVA-sensitized mice. In vitro or in vivo exposure to NMP or TXIB reduced IL-12 production in maturing dendritic cells (DCs) and enhanced airway inflammation after adoptive DC transfer into Balb/c mice. At higher concentrations both VOCs induced oxidative stress demonstrated by increased isoprostane and glutathione-S-transferase-pi1 protein levels in the lung of non-sensitized mice. Treatment of PVC flooring-exposed mice with N-acetylcysteine prevented the VOC-induced increase of airway inflammation. CONCLUSIONS Our results demonstrate that exposure to VOCs may increase the allergic immune response by interfering with DC function and by inducing oxidative stress and has therefore to be considerate as risk factor for the development of allergic diseases.
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Affiliation(s)
- Ulrike Bönisch
- Department of Environmental Immunology, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Alexander Böhme
- Department of Environmental Immunology, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
| | - Tibor Kohajda
- Department of Metabolomics, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
| | - Iljana Mögel
- Department of Environmental Immunology, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
| | - Nicole Schütze
- Department of Environmental Immunology, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Martin von Bergen
- Department of Metabolomics, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
| | - Jan C. Simon
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Irina Lehmann
- Department of Environmental Immunology, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
| | - Tobias Polte
- Department of Environmental Immunology, UFZ – Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
- * E-mail:
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Behrendt AK, Meyer-Bahlburg A, Hansen G. CD137 deficiency does not affect development of airway inflammation or respiratory tolerance induction in murine models. Clin Exp Immunol 2012; 168:308-17. [PMID: 22519594 DOI: 10.1111/j.1365-2249.2012.04572.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The co-stimulatory molecule CD137 (4-1BB) plays a crucial role in the development and persistence of asthma, characterized by eosinophilic airway inflammation, mucus hypersecretion, airway hyperreactivity, increased T helper type 2 (Th2) cytokine production and serum immunoglobulin (Ig)E levels. We have shown previously that application of an agonistic CD137 monoclonal antibody (mAb) prevented and even reversed an already established asthma phenotype. In the current study we investigated whether deficiency of the CD137/CD137L pathway affects the development of allergic airway inflammation or the opposite immune reaction of respiratory tolerance. CD137⁻/⁻ and wild-type (WT) mice were sensitized and challenged with the model allergen ovalbumin (OVA) and analysed for the presence of allergic disease parameters (allergy protocol). Some animals were tolerized by mucosal application of OVA prior to transferring the animals to the allergy protocol to analyse the effect of CD137 loss on tolerance induction (tolerance protocol). Eosinophilic airway inflammation, mucus hypersecretion, Th2 cytokine production and elevated allergen-specific serum IgE levels were increased equally in CD137⁻/⁻ and WT mice. Induction of tolerance resulted in comparable protection from the development of an allergic phenotype in both mouse strains. In addition, no significant differences could be identified in CD4⁺, CD8⁺ and forkhead box protein 3 (FoxP3⁺) regulatory T cells, supporting the conclusion that CD137⁻/⁻ mice show equal Th2-mediated immune responses compared to WT mice. Taken together, CD137⁻/⁻ mice and WT mice develop the same phenotype in a murine model of Th2-mediated allergic airway inflammation and respiratory tolerance.
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Affiliation(s)
- A-K Behrendt
- Department of Pediatric Pulmonology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany
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Abstract
The OX40 receptor is preferentially expressed by T cells, and its cognate ligand OX40L is primarily expressed by antigen-presenting cells such as dendritic cells following activation by thymic stromal lymphopoietin (TSLP). TSLP is released by the bronchial epithelium, airway smooth muscle, and some inflammatory cells in response to numerous insults such as allergens, viruses, and physical damage. OX40L is a costimulatory molecule that plays a sentinel role in the adaptive immune response by promoting T helper (Th) 2 polarization of naive T cells within the lymph node. These polarized T cells produce Th2 cytokines such as IL-4, IL-5, and IL-13, which have been implicated particularly in allergic eosinophilic asthma. Animal models have positioned both TSLP and OX40/OX40L as critical in the development of airway inflammation and hyperreactivity. In human disease, there is good evidence that TSLP is upregulated in asthma, but there are limited data to demonstrate overexpression of OX40 or OX40L in disease. Targeting the OX40/OX40L axis or TSLP presents a novel therapeutic strategy that has the potential of modifying the disease process and, therefore, impacting on its natural history. Whether this approach can demonstrate efficacy in established disease rather than at disease onset is unknown. Biologic therapies directed toward OX40/OX40L are in early phases of development, and results from these studies are eagerly awaited.
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Affiliation(s)
- Davinder Kaur
- Institute for Lung Health, Department of Infection, Inflammation, and Immunity, University of Leicester, Leicester, England
| | - Christopher Brightling
- Institute for Lung Health, Department of Infection, Inflammation, and Immunity, University of Leicester, Leicester, England.
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Fuchiwaki T, Sun X, Fujimura K, Yamada H, Shibata K, Muta H, Podack ER, Kawauchi H, Yoshikai Y. The central role of CD30L/CD30 interactions in allergic rhinitis pathogenesis in mice. Eur J Immunol 2011; 41:2947-54. [PMID: 21739429 DOI: 10.1002/eji.201141423] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2011] [Revised: 05/17/2011] [Accepted: 06/27/2011] [Indexed: 12/27/2022]
Abstract
CD30 ligand (CD30L) plays an important role in the amplification and/or activation of effector CD4(+) T cells, irrespective of Th cell subset. To examine the role of CD30L in allergic rhinitis, we evaluated an OVA model of allergic rhinitis in CD30L knock out (KO) mice on a BALB/c background sensitized with OVA. Symptoms of allergic rhinitis such as eosinophil infiltration into the nasal mucosa were drastically diminished in OVA-sensitized CD30L KO mice following intranasal challenge with OVA. The levels of OVA-specific IgE in the sera and the Th2 response in nasopharynx-associated lymphoid tissues and cervical LNs of CD30L KO mice were significantly lower than those of WT mice following intranasal challenge with OVA. Intranasal administration of CD30-Ig during the effector phase with OVA significantly prevented the development of allergic rhinitis in WT mice. These results suggest that CD30L plays an important role in allergic rhinitis and that the inhibition of CD30L/CD30 signaling might be useful as a novel biological therapy for allergic rhinitis.
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Affiliation(s)
- Takafumi Fuchiwaki
- Division of Host Defense, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
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Schubert K, Polte T, Bönisch U, Schader S, Holtappels R, Hildebrandt G, Lehmann J, Simon JC, Anderegg U, Saalbach A. Thy-1 (CD90) regulates the extravasation of leukocytes during inflammation. Eur J Immunol 2011; 41:645-56. [DOI: 10.1002/eji.201041117] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 11/11/2010] [Accepted: 12/16/2010] [Indexed: 11/08/2022]
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17
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Current world literature. Curr Opin Allergy Clin Immunol 2010; 10:161-6. [PMID: 20357579 DOI: 10.1097/aci.0b013e32833846d5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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CD27 costimulation is not critical for the development of asthma and respiratory tolerance in a murine model. Immunol Lett 2010; 133:19-27. [PMID: 20600327 DOI: 10.1016/j.imlet.2010.06.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Revised: 06/06/2010] [Accepted: 06/14/2010] [Indexed: 11/21/2022]
Abstract
CD27 is a costimulatory molecule of the TNFR family strongly expressed on activated CD4(+) and CD8(+) T lymphocytes. Binding with its ligand CD70, present on lymphocytes and DCs, leads to enhanced T cell activation and proliferation. Several other costimulatory molecules of the TNFR family like CD30, CD134 (OX40) or CD137 (4-1BB) have been shown to be critically involved in the development of asthma and/or respiratory tolerance. However, the role of CD27/CD70 signalling in these disease models has not been studied intensively. The aim of this study was to directly investigate the role of CD27 for the development of asthma and respiratory tolerance by comparative analysis of wild type (WT) and CD27(-/-) mice in the corresponding murine models. Ovalbumin (OVA)-sensitized and challenged CD27(-/-) mice developed comparably increased airway hyperreactivity (AHR), eosinophilic airway inflammation, mucus hypersecretion and elevated OVA-specific serum IgE levels in response to OVA sensitization as WT mice. In addition, Th2 cytokine production in spleen cell culture supernatants and proliferation of splenocytes after in vitro OVA restimulation was equally enhanced when derived from WT and CD27(-/-) mice. Furthermore, the absence of CD27 had no decisive impact on tolerance induction, so that WT and CD27(-/-) mice were comparably protected from asthma development by mucosal antigen application before sensitization. Our results suggest that CD27 costimulation is dispensable for a Th2 cell mediated allergic asthma response and respiratory tolerance induction in murine models.
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Schütze N, Lehmann I, Bönisch U, Simon JC, Polte T. Exposure to mycotoxins increases the allergic immune response in a murine asthma model. Am J Respir Crit Care Med 2010; 181:1188-99. [PMID: 20194814 DOI: 10.1164/rccm.200909-1350oc] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
RATIONALE Epidemiological studies have shown that indoor molds are associated with increased prevalence and exacerbation of respiratory symptoms and asthma. Mycotoxins, secondary metabolites of molds, may contribute to these effects. OBJECTIVES To investigate the adjuvant activity of mycotoxins on allergic airway inflammation. METHODS Balb/c mice were exposed via the airways to gliotoxin and via the intestine to patulin, sensitized with ovalbumin (OVA), and then analyzed in acute and chronic murine asthma models. In addition, the effect of mycotoxin exposure on dendritic cell (DC) function was investigated using murine bone marrow-derived DCs. MEASUREMENTS AND MAIN RESULTS Exposure of mice to both mycotoxins enhanced dose-dependently airway hyperreactivity, eosinophilic lung inflammation, and OVA-specific IgE serum levels compared with mice that received only the antigen. These findings correlated with increased Th2 cytokine levels and decreased IFN-gamma production. Long-term mycotoxin exposure exacerbated chronic airway inflammation and airway remodeling. In vitro or in vivo mycotoxin exposure inhibited IL-12 production in maturing DCs and enhanced airway inflammation after adoptive DC transfer into Balb/c mice. Mycotoxin exposure enhanced OVA-induced lung lipid peroxidation and moderately increased isoprostane levels in naive mice. Treatment of mycotoxin-exposed DCs with the antioxidants N-acetylcysteine or glutathione ethyl ester restored IL-12 secretion and pretreatment of exposed mice with N-acetylcysteine prevented the mycotoxin-induced increase of airway inflammation and AHR. CONCLUSIONS Our results demonstrate that gliotoxin and patulin increase the allergic immune response in mice by modulating the Th1/Th2 balance via direct effects on IL-12 secretion in DCs and by inducing oxidative stress.
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Affiliation(s)
- Nicole Schütze
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
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