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Kodavanti UP, Jackson TW, Henriquez AR, Snow SJ, Alewel DI, Costa DL. Air Pollutant impacts on the brain and neuroendocrine system with implications for peripheral organs: a perspective. Inhal Toxicol 2023; 35:109-126. [PMID: 36749208 DOI: 10.1080/08958378.2023.2172486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Air pollutants are being increasingly linked to extrapulmonary multi-organ effects. Specifically, recent studies associate air pollutants with brain disorders including psychiatric conditions, neuroinflammation and chronic diseases. Current evidence of the linkages between neuropsychiatric conditions and chronic peripheral immune and metabolic diseases provides insights on the potential role of the neuroendocrine system in mediating neural and systemic effects of inhaled pollutants (reactive particulates and gases). Autonomically-driven stress responses, involving sympathetic-adrenal-medullary and hypothalamus-pituitary-adrenal axes regulate cellular physiological processes through adrenal-derived hormones and diverse receptor systems. Recent experimental evidence demonstrates the contribution of the very stress system responding to non-chemical stressors, in mediating systemic and neural effects of reactive air pollutants. The assessment of how respiratory encounter of air pollutants induce lung and peripheral responses through brain and neuroendocrine system, and how the impairment of these stress pathways could be linked to chronic diseases will improve understanding of the causes of individual variations in susceptibility and the contribution of habituation/learning and resiliency. This review highlights effects of air pollution in the respiratory tract that impact the brain and neuroendocrine system, including the role of autonomic sensory nervous system in triggering neural stress response, the likely contribution of translocated nano particles or metal components, and biological mediators released systemically in causing effects remote to the respiratory tract. The perspective on the use of systems approaches that incorporate multiple chemical and non-chemical stressors, including environmental, physiological and psychosocial, with the assessment of interactive neural mechanisms and peripheral networks are emphasized.
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Affiliation(s)
- Urmila P Kodavanti
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Thomas W Jackson
- Oak Ridge Institute for Science and Education Research Participation Program, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Andres R Henriquez
- Oak Ridge Institute for Science and Education Research Participation Program, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | | | - Devin I Alewel
- Oak Ridge Institute for Science and Education Research Participation Program, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Daniel L Costa
- Department of Environmental Sciences and Engineering, Gilling's School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
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Fathieh S, Grieve SM, Negishi K, Figtree GA. Potential Biological Mediators of Myocardial and Vascular Complications of Air Pollution-A State-of-the-Art Review. Heart Lung Circ 2023; 32:26-42. [PMID: 36585310 DOI: 10.1016/j.hlc.2022.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 11/13/2022] [Accepted: 11/15/2022] [Indexed: 12/29/2022]
Abstract
Ambient air pollution is recognised globally as a significant contributor to the burden of cardiovascular diseases. The evidence from both human and animal studies supporting the cardiovascular impact of exposure to air pollution has grown substantially, implicating numerous pathophysiological pathways and related signalling mediators. In this review, we summarise the list of activated mediators for each pathway that lead to myocardial and vascular injury in response to air pollutants. We performed a systematic search of multiple databases, including articles between 1990 and Jan 2022, summarising the evidence for activated pathways in response to each significant air pollutant. Particulate matter <2.5 μm (PM2.5) was the most studied pollutant, followed by particulate matter between 2.5 μm-10 μm (PM10), nitrogen dioxide (NO2) and ozone (O3). Key pathogenic pathways that emerged included activation of systemic and local inflammation, oxidative stress, endothelial dysfunction, and autonomic dysfunction. We looked at how potential mediators of each of these pathways were linked to both cardiovascular disease and air pollution and included the overlapping mediators. This review illustrates the complex relationship between air pollution and cardiovascular diseases, and discusses challenges in moving beyond associations, towards understanding causal contributions of specific pathways and markers that may inform us regarding an individual's exposure, response, and likely risk.
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Affiliation(s)
- Sina Fathieh
- Kolling Institute of Medical Research, Sydney, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Stuart M Grieve
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia; Department of Radiology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Kazuaki Negishi
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tas, Australia; Department of Cardiology, Graduate School of Medicine, Gunma University, Maebashi, Gunma, Japan; Sydney Medical School Nepean, Faculty of Medicine and Health, Charles Perkins Centre Nepean, The University of Sydney, Sydney, NSW, Australia; Department of Cardiology, Nepean Hospital, Sydney, NSW, Australia
| | - Gemma A Figtree
- Kolling Institute of Medical Research, Sydney, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia; Department of Cardiology, Royal North Shore Hospital, Northern Sydney Local Health District, Sydney, NSW, Australia.
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Michaudel C, Mackowiak C, Maillet I, Fauconnier L, Akdis CA, Sokolowska M, Dreher A, Tan HTT, Quesniaux VF, Ryffel B, Togbe D. Ozone exposure induces respiratory barrier biphasic injury and inflammation controlled by IL-33. J Allergy Clin Immunol 2018; 142:942-958. [DOI: 10.1016/j.jaci.2017.11.044] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 11/08/2017] [Accepted: 11/14/2017] [Indexed: 12/31/2022]
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Michaudel C, Maillet I, Fauconnier L, Quesniaux V, Chung KF, Wiegman C, Peter D, Ryffel B. Interleukin-1α Mediates Ozone-Induced Myeloid Differentiation Factor-88-Dependent Epithelial Tissue Injury and Inflammation. Front Immunol 2018; 9:916. [PMID: 29867931 PMCID: PMC5950844 DOI: 10.3389/fimmu.2018.00916] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 04/13/2018] [Indexed: 02/04/2023] Open
Abstract
Air pollution associated with ozone exposure represents a major inducer of respiratory disease in man. In mice, a single ozone exposure causes lung injury with disruption of the respiratory barrier and inflammation. We investigated the role of interleukin-1 (IL-1)-associated cytokines upon a single ozone exposure (1 ppm for 1 h) using IL-1α-, IL-1β-, and IL-18-deficient mice or an anti-IL-1α neutralizing antibody underlying the rapid epithelial cell death. Here, we demonstrate the release of the alarmin IL-1α after ozone exposure and that the acute respiratory barrier injury and inflammation and airway hyperreactivity are IL-1α-dependent. IL-1α signaling via IL-1R1 depends on the adaptor protein myeloid differentiation factor-88 (MyD88). Importantly, epithelial cell signaling is critical, since deletion of MyD88 in lung type I alveolar epithelial cells reduced ozone-induced inflammation. In addition, intratracheal injection of recombinant rmIL-1α in MyD88acid mice led to reduction of inflammation in comparison with wild type mice treated with rmIL-1α. Therefore, a major part of inflammation is mediated by IL-1α signaling in epithelial cells. In conclusion, the alarmin IL-1α released upon ozone-induced tissue damage and inflammation is mediated by MyD88 signaling in epithelial cells. Therefore, IL-1α may represent a therapeutic target to attenuate ozone-induced lung inflammation and hyperreactivity.
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Affiliation(s)
- Chloé Michaudel
- Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orleans, Orleans, France
| | - Isabelle Maillet
- Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orleans, Orleans, France
| | | | - Valérie Quesniaux
- Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orleans, Orleans, France
| | - Kian Fan Chung
- Airways Disease, National Heart and Lung Institute, Imperial College London, London, United Kingdom.,NIHR Respiratory Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, London, United Kingdom
| | - Coen Wiegman
- Airways Disease, National Heart and Lung Institute, Imperial College London, London, United Kingdom.,NIHR Respiratory Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, London, United Kingdom
| | - Daniel Peter
- Immunology and Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Bernhard Ryffel
- Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orleans, Orleans, France
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Feng X, Beiping L. Therapeutic Efficacy of Ozone Injection into the Knee for the Osteoarthritis Patient along with Oral Celecoxib and Glucosamine. J Clin Diagn Res 2017; 11:UC01-UC03. [PMID: 29207809 DOI: 10.7860/jcdr/2017/26065.10533] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 06/26/2017] [Indexed: 01/12/2023]
Abstract
Introduction Suffering from osteoarthritis is prevalent among elderly patients so the use of intra-articular injection of medical ozone may well be the effective way to relieve their pain. Aim To evaluate the effect of intra-articular injection of medical ozone given into the knee of the osteoarthritis patients, and to compare it with taking celecoxib and glucosamine orally. Materials and Methods In the present study, 76 patients suffering from osteoarthritis were randomly assigned into two groups. In the ozone group, 20 ml ozone-oxygen mixture gas concentration of 20 μg/ml was injected into knee articular cavity and each patient took oral celecoxib and glucosamine hydrochloride. Patients in control group only took the celecoxib and glucosamine hydrochloride orally.Pain score and Lysholm knee score were measured prior to the injection (pretreatment) and at one, three, six weeks after the beginning of the treatment (posttreatment). Results After the treatment, the pain intensity and function significantly improved in the two groups compared with the pretreatment (p<0.05). In the ozone group, three weeks after intervention, the pain score improved significantly when compared with the control group (p<0.05).After the treatment, the lysholm scores increased significantly (p<0.05), but in the ozone group, it improved faster. Conclusion Intra-articular injection of ozone plus oral celecoxib and glucosamine could significantly decrease pain intensity in patients with mild to moderate Knee Osteoarthritis (KOA), and improve their functional status early than oral celecoxib and glucosamine only.
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Affiliation(s)
- Xu Feng
- Associate Professor, Department of Anaesthesiology, Xuzhou First People's Hospital, Xuzhou, Jiangsu, China
| | - Li Beiping
- Chief Physician, Department of Anaesthesiology, Xuzhou First People's Hospital, Xuzhou, Jiangsu, China
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Cevik B, Tekcan A, Inanir A, Kurt SG, Yigit S. The investigation of association between IL-1Ra and ACE I/D polymorphisms in carpal tunnel syndrome. J Clin Lab Anal 2017; 32. [PMID: 28370589 DOI: 10.1002/jcla.22204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 02/22/2017] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Carpal tunnel syndrome (CTS) is a common neurologic impairment caused by injury on the median nerve in the wrist, characterized by pain and loss of sensory. CTS usually occurs through three factors, such as a mechanical pressure on median nerve, immunologic changes, and oxidative stress. The aim of this study was to evaluate the influence of interleukin-1 receptor antagonist (IL-1Ra) and angiotensin-converting enzyme (ACE) I/D polymorphisms on the susceptibility of patients to the CTS. METHODS One hundred fifty-eight patients with CTS and 151 healthy controls were enrolled in this study. Each patient was analyzed according to diseases symptoms, such as gender, a positive Tinel's sign, a positive Phalen maneuver, disease sides, EMG findings, and clinical stage. We applied the polymerase chain reaction (PCR) to determine the polymorphisms of IL-1Ra and ACE I/D. RESULTS The statistically significant relation was not found between IL-1Ra, ACE I/D polymorphisms and CTS (respectively, P>.05; P>.05, OR: 1.51, CI: 0.82-1.61). Additionally, in the result of the statistical analysis compared with gene polymorphisms and clinical characteristics, we did not find any correlation (P>.05). CONCLUSIONS Our findings showed that there are no associations of IL-1Ra and ACE I/D polymorphisms with susceptibility of a person for the development of CTS. So, it means that these polymorphisms do not create a risk for the development of CTS. Further studies with larger populations will be required to confirm these findings in different study populations.
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Affiliation(s)
- Betul Cevik
- Faculty of Medicine, Department of Neurology, Gaziosmanpasa University, Tokat, Turkey
| | - Akin Tekcan
- Faculty of Medicine, Department of Medical Biology, Ahi Evran University, Kirsehir, Turkey
| | - Ahmet Inanir
- Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Gaziosmanpasa University, Tokat, Turkey.,Academic Pain-Hernia Center, Samsun, Turkey
| | - Semiha Gulsum Kurt
- Faculty of Medicine, Department of Neurology, Gaziosmanpasa University, Tokat, Turkey
| | - Serbulent Yigit
- Faculty of Medicine, Department of Medical Biology, Gaziosmanpasa University, Tokat, Turkey
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Stiegel MA, Pleil JD, Sobus JR, Stevens T, Madden MC. Linking physiological parameters to perturbations in the human exposome: Environmental exposures modify blood pressure and lung function via inflammatory cytokine pathway. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2017; 80:485-501. [PMID: 28696913 PMCID: PMC6089069 DOI: 10.1080/15287394.2017.1330578] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Human biomonitoring is an indispensable tool for evaluating the systemic effects derived from external stressors including environmental pollutants, chemicals from consumer products, and pharmaceuticals. The aim of this study was to explore consequences of environmental exposures to diesel exhaust (DE) and ozone (O3) and ultimately to interpret these parameters from the perspective of in vitro to in vivo extrapolation. In particular, the objective was to use cytokine expression at the cellular level as a biomarker for physiological systemic responses such as blood pressure and lung function at the systemic level. The values obtained could ultimately link in vivo behavior to simpler in vitro experiments where cytokines are a measured parameter. Human exposures to combinations of DE and O3 and the response correlations between forced exhaled volume in 1 second (FEV1), forced vital capacity (FVC), systolic and diastolic blood pressure (SBP and DBP, respectively), and 10 inflammatory cytokines in blood (interleukins 1β, 2, 4, 5, 8, 10, 12p70 and 13, IFN-γ, and TNF-α) were determined in 15 healthy human volunteers. Results across all exposures revealed that certain individuals displayed greater inflammatory responses compared to the group and, generally, there was more between-person variation in the responses. Evidence indicates that individuals are more stable within themselves and are more likely to exhibit responses independent of one another. Data suggest that in vitro findings may ultimately be implemented to elucidate underlying adverse outcome pathways (AOP) for linking high-throughput toxicity tests to physiological in vivo responses. Further, this investigation supports assessing subjects based upon individual responses as a complement to standard longitudinal (pre vs. post) intervention grouping strategies. Ultimately, it may become possible to predict a physiological (systemic) response based upon cellular-level (in vitro) observations.
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Affiliation(s)
- Matthew A Stiegel
- a Duke University Medical Center , Department of Occupational and Environmental Safety , Durham , NC , US
| | - Joachim D Pleil
- b United States Environmental Protection Agency, National Exposure Research Lab , Exposure Methods and Measurement Division , Research Triangle Park , NC , US
| | - Jon R Sobus
- b United States Environmental Protection Agency, National Exposure Research Lab , Exposure Methods and Measurement Division , Research Triangle Park , NC , US
| | - Tina Stevens
- c United States Environmental Protection Agency , National Health and Environmental Effects Research Lab, Environmental Public Health Division , Chapel Hill , NC , US
| | - Michael C Madden
- c United States Environmental Protection Agency , National Health and Environmental Effects Research Lab, Environmental Public Health Division , Chapel Hill , NC , US
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Kodavanti UP. Stretching the stress boundary: Linking air pollution health effects to a neurohormonal stress response. Biochim Biophys Acta Gen Subj 2016; 1860:2880-90. [PMID: 27166979 DOI: 10.1016/j.bbagen.2016.05.010] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 05/02/2016] [Accepted: 05/05/2016] [Indexed: 02/07/2023]
Abstract
Inhaled pollutants produce effects in virtually all organ systems in our body and have been linked to chronic diseases including hypertension, atherosclerosis, Alzheimer's and diabetes. A neurohormonal stress response (referred to here as a systemic response produced by activation of the sympathetic nervous system and hypothalamus-pituitary-adrenal (HPA)-axis) has been implicated in a variety of psychological and physical stresses, which involves immune and metabolic homeostatic mechanisms affecting all organs in the body. In this review, we provide new evidence for the involvement of this well-characterized neurohormonal stress response in mediating systemic and pulmonary effects of a prototypic air pollutant - ozone. A plethora of systemic metabolic and immune effects are induced in animals exposed to inhaled pollutants, which could result from increased circulating stress hormones. The release of adrenal-derived stress hormones in response to ozone exposure not only mediates systemic immune and metabolic responses, but by doing so, also modulates pulmonary injury and inflammation. With recurring pollutant exposures, these effects can contribute to multi-organ chronic conditions associated with air pollution. This review will cover, 1) the potential mechanisms by which air pollutants can initiate the relay of signals from respiratory tract to brain through trigeminal and vagus nerves, and activate stress responsive regions including hypothalamus; and 2) the contribution of sympathetic and HPA-axis activation in mediating systemic homeostatic metabolic and immune effects of ozone in various organs. The potential contribution of chronic environmental stress in cardiovascular, neurological, reproductive and metabolic diseases, and the knowledge gaps are also discussed. This article is part of a Special Issue entitled Air Pollution, edited by Wenjun Ding, Andrew J. Ghio and Weidong Wu.
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Affiliation(s)
- Urmila P Kodavanti
- Environmental Public Health Division, National Health and Environmental Effects Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
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