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Santacruz-Márquez R, Neff AM, Mourikes VE, Fletcher EJ, Flaws JA. The effects of inhaled pollutants on reproduction in marginalized communities: a contemporary review. Inhal Toxicol 2024; 36:286-303. [PMID: 37075037 PMCID: PMC10584991 DOI: 10.1080/08958378.2023.2197941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 03/25/2023] [Indexed: 04/20/2023]
Abstract
Important differences in health that are closely linked with social disadvantage exist within and between countries. According to the World Health Organization, life expectancy and good health continue to increase in many parts of the world, but fail to improve in other parts of the world, indicating that differences in life expectancy and health arise due to the circumstances in which people grow, live, work, and age, and the systems put in place to deal with illness. Marginalized communities experience higher rates of certain diseases and more deaths compared to the general population, indicating a profound disparity in health status. Although several factors place marginalized communities at high risk for poor health outcomes, one important factor is exposure to air pollutants. Marginalized communities and minorities are exposed to higher levels of air pollutants than the majority population. Interestingly, a link exists between air pollutant exposure and adverse reproductive outcomes, suggesting that marginalized communities may have increased reproductive disorders due to increased exposure to air pollutants compared to the general population. This review summarizes different studies showing that marginalized communities have higher exposure to air pollutants, the types of air pollutants present in our environment, and the associations between air pollution and adverse reproductive outcomes, focusing on marginalized communities.
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Affiliation(s)
| | - Alison M. Neff
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign
| | | | - Endia J. Fletcher
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign
| | - Jodi A. Flaws
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign
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Villareal LB, Xue X. The emerging role of hypoxia and environmental factors in inflammatory bowel disease. Toxicol Sci 2024; 198:169-184. [PMID: 38200624 DOI: 10.1093/toxsci/kfae004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic and debilitating disorder characterized by inflammation of the gastrointestinal tract. Despite extensive research, the exact cause of IBD remains unknown, hampering the development of effective therapies. However, emerging evidence suggests that hypoxia, a condition resulting from inadequate oxygen supply, plays a crucial role in intestinal inflammation and tissue damage in IBD. Hypoxia-inducible factors (HIFs), transcription factors that regulate the cellular response to low oxygen levels, have gained attention for their involvement in modulating inflammatory processes and maintaining tissue homeostasis. The two most studied HIFs, HIF-1α and HIF-2α, have been implicated in the development and progression of IBD. Toxicological factors encompass a wide range of environmental and endogenous agents, including dietary components, microbial metabolites, and pollutants. These factors can profoundly influence the hypoxic microenvironment within the gut, thereby exacerbating the course of IBD and fostering the progression of colitis-associated colorectal cancer. This review explores the regulation of hypoxia signaling at the molecular, microenvironmental, and environmental levels, investigating the intricate interplay between toxicological factors and hypoxic signaling in the context of IBD, focusing on its most concerning outcomes: intestinal fibrosis and colorectal cancer.
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Affiliation(s)
- Luke B Villareal
- Department of Biochemistry and Molecular Biology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131, USA
| | - Xiang Xue
- Department of Biochemistry and Molecular Biology, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131, USA
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Zheng Y, McElrath T, Cantonwine D, Hu H. Longitudinal Associations between Ambient Air Pollution and Angiogenic Biomarkers among Pregnant Women in the LIFECODES Study, 2006-2008. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:87005. [PMID: 37556304 PMCID: PMC10411633 DOI: 10.1289/ehp11909] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 06/21/2023] [Accepted: 07/12/2023] [Indexed: 08/11/2023]
Abstract
BACKGROUND Exposures to ambient air pollution during pregnancy have been linked to adverse pregnancy outcomes such as preeclampsia and fetal growth restriction. Although evidence has shown that women with preeclampsia have higher ratio of soluble fms-like tyrosine kinase 1 to placental growth factor (sFlt-1/PlGF ratio), the potential impact of air pollution on markers of placental growth and function has not been well studied. OBJECTIVES We aimed to examine longitudinal associations between ambient air pollution exposure and angiogenic factors among pregnant women in LIFECODES, a prospective birth cohort and biorepository in Massachusetts in the United States. METHODS PlGF and sFlt-1 were measured among pregnant women using plasma samples collected around 10, 18, 26, and 35 wk' gestation. Women's exposures to ozone (O 3 ), fine particulate matter with aerodynamic diameter ≤ 2.5 μ m (PM 2.5 ), and nitrogen dioxide (NO 2 ) within 1, 2, 4, and 8 wk prior to each plasma sample collection were estimated based on geocoded residential addresses, and mixed effect linear regression models were fitted to assess their associations with sFlt-1/PlGF ratio, sFlt-1 (ng/mL), and PlGF (pg/mL). Percent changes in outcomes associated with each interquartile range increase in exposures were reported, along with their 95% confidence intervals. RESULTS A total of 1,066 pregnant women were included. In the multipollutant models, significant associations were observed for increased sFlt-1/PlGF ratio (PM 2.5 3-8 wk' gestation, NO 2 : 35-39 wk' gestation), elevated sFlt-1 (O 3 : 26-34 wk' gestation, PM 2.5 : 3-8 wk' gestation), decreased sFlt-1 (NO 2 : 4-8 wk' gestation), and decreased PlGF (NO 2 : 34-39 wk' gestation) after adjusting for sociodemographic status, smoking, drinking, body mass index, parity, history of chronic hypertension, and conception time. DISCUSSION Exposures to PM 2.5 during early pregnancy and exposures to O 3 and NO 2 during late pregnancy were associated with increased sFlt-1/PlGF ratio, elevated sFlt-1 and with decreased PlGF, which may be a potential mechanism underlying ambient air pollution's impacts on adverse pregnancy and birth outcomes. https://doi.org/10.1289/EHP11909.
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Affiliation(s)
- Yi Zheng
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Thomas McElrath
- Division of Maternal-Fetal Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - David Cantonwine
- Division of Maternal-Fetal Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Hui Hu
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
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Aglan A, Synn AJ, Nurhussien L, Chen K, Scheerens C, Koutrakis P, Coull B, Rice MB. Personal and community-level exposure to air pollution and daily changes in respiratory symptoms and oxygen saturation among adults with COPD. HYGIENE AND ENVIRONMENTAL HEALTH ADVANCES 2023; 6:100052. [PMID: 37293389 PMCID: PMC10249721 DOI: 10.1016/j.heha.2023.100052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Background Air pollution exposure is associated with hospital admissions for Chronic Obstructive Pulmonary Disease (COPD). Few studies have investigated whether daily personal exposure to air pollutants affects respiratory symptoms and oxygenation among COPD patients. Methodology We followed 30 former smokers with COPD for up to 4 non-consecutive 30-day periods in different seasons. Participants recorded worsening of respiratory symptoms (sub-categorized as breathing or bronchitis symptoms) by daily questionnaire, and oxygen saturation by pulse oximeter. Personal and community-level exposure to fine particulate matter (PM2.5), nitrogen dioxide (NO2), and ozone (O3) were measured by portable air quality monitors and stationary monitors in the Boston area. We used generalized and multi-level linear mixed-effects models to estimate associations of the 24-hour average of each pollutant in the previous day with changes in respiratory symptoms and oxygen saturation. Results Higher community-level exposure to air pollutants was associated with worsening respiratory symptoms. An interquartile range (IQR) higher community-level O3 was associated with a 1.35 (95%CI: 1.07-1.70) higher odds of worsening respiratory symptoms. The corresponding ORs for community-level PM2.5 and NO2 were 1.18 (95%CI: 1.02-1.37) and 1.06 (95%CI: 0.90-1.25), respectively. Community-level NO2 was associated with worsening bronchitis symptoms (OR=1.25, 95%CI: 1.00-1.56), but not breathing symptoms. Personal PM2.5 exposure was associated with lower odds of worsening respiratory symptoms (OR=0.91; 95%CI: 0.81-1.01). Personal exposure to NO2 was associated with 0.11% lower oxygen saturation (95%CI: -0.22, 0.00) per IQR. Conclusions In this COPD population, there was a pattern of worsening respiratory symptoms associated with community-level exposure to O3 and PM2.5, and worsening oxygenation associated with personal exposure to NO2.
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Affiliation(s)
- Amro Aglan
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Andrew J. Synn
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Lina Nurhussien
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Kelly Chen
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
| | - Charlotte Scheerens
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
- Department of Public Health and Primary Care, Faculty of Medicine, Ghent University, Ghent, Belgium
| | - Petros Koutrakis
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Brent Coull
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Mary B. Rice
- Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States of America
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Zhang W, Wang J, Chen B, Ji X, Zhao C, Chen M, Liao S, Jiang S, Pan Z, Wang W, Li L, Chen Y, Guo X, Deng F. Association of multiple air pollutants with oxygen saturation during sleep in COPD patients: Effect modification by smoking status and airway inflammatory phenotypes. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131550. [PMID: 37148791 DOI: 10.1016/j.jhazmat.2023.131550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 04/11/2023] [Accepted: 04/30/2023] [Indexed: 05/08/2023]
Abstract
Air pollution contributes substantially to the development of chronic obstructive pulmonary disease (COPD). To date, the effect of air pollution on oxygen saturation (SpO2) during sleep and potential susceptibility factors remain unknown. In this longitudinal panel study, real-time SpO2 was monitored in 132 COPD patients, with 270 nights (1615 h) of sleep SpO2 recorded. Exhaled nitric oxide (NO), hydrogen sulfide (H2S) and carbon monoxide (CO) were measured to assess airway inflammatory characteristics. Exposure levels of air pollutants were estimated by infiltration factor method. Generalized estimating equation was used to investigate the effect of air pollutants on sleep SpO2. Ozone, even at low levels (<60 μg/m3), was significantly associated with decreased SpO2 and extended time of oxygen desaturation (SpO2 < 90%), especially in the warm season. The associations of other pollutants with SpO2 were weak, but significant adverse effects of PM10 and SO2 were observed in the cold season. Notably, stronger effects of ozone were observed in current smokers. Consistently, smoking-related airway inflammation, characterized by higher levels of exhaled CO and H2S but lower NO, significantly augmented the effect of ozone on SpO2 during sleep. This study highlights the importance of ozone control in protecting sleep health in COPD patients.
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Affiliation(s)
- Wenlou Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China; Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Junyi Wang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China; Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Baiqi Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Xuezhao Ji
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Chen Zhao
- Community Health Service Center, Huayuan Road, Haidian District, Beijing 100088, China
| | - Maike Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Sha Liao
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Simin Jiang
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Zihan Pan
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Wanzhou Wang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Luyi Li
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Yahong Chen
- Department of Pulmonary and Critical Care Medicine, Peking University Third Hospital, Beijing 100191, China.
| | - Xinbiao Guo
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Furong Deng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China; Center for Environment and Health, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China.
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Mariscal-Aguilar P, Gómez-Carrera L, Carpio C, Zamarrón E, Bonilla G, Fernández-Velilla M, Torres I, Esteban I, Regojo R, Díaz-Almirón M, Gayá F, Villamañán E, Prados C, Álvarez-Sala R. Relationship between air pollution exposure and the progression of idiopathic pulmonary fibrosis in Madrid: Chronic respiratory failure, hospitalizations, and mortality. A retrospective study. Front Public Health 2023; 11:1135162. [PMID: 36969686 PMCID: PMC10036896 DOI: 10.3389/fpubh.2023.1135162] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/20/2023] [Indexed: 03/12/2023] Open
Abstract
IntroductionAir pollution has a significant impact on the morbidity and mortality of various respiratory diseases. However, this has not been widely studied in diffuse interstitial lung diseases, specifically in idiopathic pulmonary fibrosis.ObjectiveIn this study we aimed to assess the relationship between four major air pollutants individually [carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), and nitrogen oxides (NOx)] and the development of chronic respiratory failure, hospitalization due to respiratory causes and mortality in patients with idiopathic pulmonary fibrosis.MethodsWe conducted an exploratory retrospective panel study from 2011 to 2020 in 69 patients with idiopathic pulmonary fibrosis from the pulmonary medicine department of a tertiary hospital. Based on their geocoded residential address, levels of each pollutant were estimated 1, 3, 6, 12, and 36 months prior to each event (chronic respiratory failure, hospital admission and mortality). Data was collected from the air quality monitoring stations of the Community of Madrid located <3.5 km (2.2 miles) from each patient's home.ResultsThe increase in average values of CO [OR 1.62 (1.11–2.36) and OR 1.84 (1.1–3.06)], NO2 [OR 1.64 (1.01–2.66)], and NOx [OR 1.11 (1–1.23) and OR 1.19 (1.03–1.38)] were significantly associated with the probability of developing chronic respiratory failure in different periods. In addition, the averages of NO2, O3, and NOx were significantly associated with the probability of hospital admissions due to respiratory causes and mortality in these patients.ConclusionAir pollution is associated with an increase in the probability of developing chronic respiratory failure, hospitalization due to respiratory causes and mortality in patients with idiopathic pulmonary fibrosis.
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Affiliation(s)
- Pablo Mariscal-Aguilar
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
- *Correspondence: Pablo Mariscal-Aguilar
| | - Luis Gómez-Carrera
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Carlos Carpio
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Ester Zamarrón
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Gema Bonilla
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Rheumatology, Hospital Universitario La Paz, Madrid, Spain
| | - María Fernández-Velilla
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Isabel Torres
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Isabel Esteban
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Pathological Anatomy, Hospital Universitario La Paz, Madrid, Spain
| | - Rita Regojo
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Pathological Anatomy, Hospital Universitario La Paz, Madrid, Spain
| | | | - Francisco Gayá
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Elena Villamañán
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Pharmacy, Hospital Universitario La Paz, Madrid, Spain
| | - Concepción Prados
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Rodolfo Álvarez-Sala
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
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Guo M, Ji X, Liu J. Hypoxia and Alpha-Synuclein: Inextricable Link Underlying the Pathologic Progression of Parkinson's Disease. Front Aging Neurosci 2022; 14:919343. [PMID: 35959288 PMCID: PMC9360429 DOI: 10.3389/fnagi.2022.919343] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 06/22/2022] [Indexed: 11/13/2022] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease after Alzheimer's disease, with typical motor symptoms as the main clinical manifestations. At present, there are about 10 million patients with PD in the world, and its comorbidities and complications are numerous and incurable. Therefore, it is particularly important to explore the pathogenesis of PD and find possible therapeutic targets. Because the etiology of PD is complex, involving genes, environment, and aging, finding common factors is the key to identifying intervention targets. Hypoxia is ubiquitous in the natural environment and disease states, and it is considered to be closely related to the etiology of PD. Despite research showing that hypoxia increases the expression and aggregation of alpha-synuclein (α-syn), the most important pathogenic protein, there is still a lack of systematic studies on the role of hypoxia in α-syn pathology and PD pathogenesis. Considering that hypoxia is inextricably linked with various causes of PD, hypoxia may be a co-participant in many aspects of the PD pathologic process. In this review, we describe the risk factors for PD, and we discuss the possible role of hypoxia in inducing PD pathology by these risk factors. Furthermore, we attribute the pathological changes caused by PD etiology to oxygen uptake disorder and oxygen utilization disorder, thus emphasizing the possibility of hypoxia as a critical link in initiating or promoting α-syn pathology and PD pathogenesis. Our study provides novel insight for exploring the pathogenesis and therapeutic targets of PD.
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Affiliation(s)
- Mengyuan Guo
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Beijing Advanced Innovation Center for Big Data-based Precision Medicine, Capital Medical University, Beijing, China
| | - Xunming Ji
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Beijing Advanced Innovation Center for Big Data-based Precision Medicine, Capital Medical University, Beijing, China
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Xunming Ji
| | - Jia Liu
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Beijing Advanced Innovation Center for Big Data-based Precision Medicine, Capital Medical University, Beijing, China
- *Correspondence: Jia Liu
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Zhai L, Yu W. The Co-Occurrence of Anthracosis with Interstitial Lung Disease. SARCOIDOSIS, VASCULITIS, AND DIFFUSE LUNG DISEASES : OFFICIAL JOURNAL OF WASOG 2022; 39:e2022012. [PMID: 36118547 PMCID: PMC9437760 DOI: 10.36141/svdld.v39i2.11792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 02/08/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Anthracosis is defined as deposition of black pigments in the bronchial mucosa or lung parenchyma. The aim of this study was to investigate the clinical features of patients with coexisting anthracosis and interstitial lung diseases (ILDs). METHODS A total of 335 ILDs patients who underwent bronchoscopy at the affiliated hospital of Qingdao University were included in our study. We enrolled 71 patients who diagnosed with anthracosis by bronchoscopy. The clinical presentations, radiographic features, and bronchoscopic findings of the patients were reviewed. RESULTS Compared with the non-anthracosis group, biomass exposure (48, 67.6% vs. 153, 53.9%, p=0.041), the median pressure of carbon dioxide before six-minute test (42.00 mmHg vs. 40.00 mmHg, P=0.001), the mean peak expiratory flow (115.21 ±23.55 %predicted vs. 104.20±26.17%pre-dicted, P=0.048), the mean level of triglyceride (1.79±1.27 mmol/L vs. 1.51 ±0.74 mmol/L, P=0.034) were significantly increased and the mean oxygen saturation after six-minute test (95.49 ±2.72% vs. 96.56 ±1.27%, P=0.028), the mean cardiac ejection fraction (61.22±2.07% vs.62.08±2.89%, P=0.019) were significantly decreased in the anthracosis group. However, we didn't find significant difference between the two groups in lymph node calcification (p=0.620) and lymphadenectasis (p=0.440). CONCLUSIONS Biomass smoke is a risk factor for anthracosis. Anthracosis produce a bad effect on the oxygenation, cardiac function and lipid metabolism in ILDs patients. The ILDs patients should decrease the exposure of biomass.
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Affiliation(s)
- LiYing Zhai
- Department of Pulmonary and Critical Care Medicine, the affiliated hospital of Qingdao University
| | - WenCheng Yu
- Department of Pulmonary and Critical Care Medicine, the affiliated hospital of Qingdao University
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Chen L, Xie J, Ma T, Chen M, Gao D, Li Y, Ma Y, Wen B, Jiang J, Wang X, Zhang J, Chen S, Wu L, Li W, Liu X, Dong B, Wei J, Guo X, Huang S, Song Y, Dong Y, Ma J. Greenness alleviates the effects of ambient particulate matter on the risks of high blood pressure in children and adolescents. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 812:152431. [PMID: 34942264 DOI: 10.1016/j.scitotenv.2021.152431] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/01/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
Both ambient particulate matter (PM) and decrease of greenness have been suggested as risk factors for high blood pressure (HBP) in children and adolescents. But most evidence were from cross-sectional studies with limited data from prospective cohorts. In this cohort study, we included 588,004 children and adolescents aged 7 to 18 years without HBP from 2005 to 2018 in Beijing (240,081) and Zhongshan (347,923) city of China. The cumulative incidence of HBP was 32.04%, and incidence rate was 14.86 per 100 person-year. After adjustment for confounders, the ten-unit increase in PM1, PM2.5, and PM10 exposure was significantly associated with 43%, 70%, and 43%- higher risks of HBP, respectively, but the 0.1-unit increase in NDVI exposure was significantly associated with a 25% lower risk of HBP. The HRs of PM1 on the HBP risk were 1.486 and 1.150 in the low and the high-level of greenness, and they were 2.635 and 2.507 for PM2.5, and for PM10 1.367 and 1.702 in the two groups. The attributable fraction (AFs) of PM1, PM2.5, and PM10 on HBP incidents were 13.74%, 40.08%, and 15.47% in the low-level of greenness, which simultaneously was higher than those in the high-level of greenness (AF = 4.62%, 17.28%, and 9.96%). The exposure to higher ambient PM air pollution and lower greenness around schools were associated with a higher risk of HBP in children and adolescents, but higher greenness alleviated the adverse effects of ambient PM1 and PM2.5 on the HBP risks. Our findings highlighted a synergic strategy in preventing childhood HBP by decreasing air pollution reduction and improving greenness concurrently.
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Affiliation(s)
- Li Chen
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Junqing Xie
- Centre for Statistics in Medicine, NDORMS, University of Oxford, Oxford, UK
| | - Tao Ma
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Manman Chen
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Di Gao
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Yanhui Li
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Ying Ma
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Bo Wen
- School of Public Health and Preventive Medicine, Monash University, Level 2, 553 St Kilda Road, Melbourne, VIC 3004, Australia
| | - Jun Jiang
- Department of Plant Science and Landscape Architecture, University of Maryland, USA
| | - Xijie Wang
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China; Wanke School of Public Health, Tsinghua University, Beijing, China
| | - Jingbo Zhang
- Beijing Health Center for Physical Examination, Beijing 100191, China
| | - Shuo Chen
- Beijing Health Center for Physical Examination, Beijing 100191, China
| | - Lijuan Wu
- Department of Epidemiology and Health Statistics, Capital Medical University School of Public Health, Beijing, China; Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Weiming Li
- Department of Epidemiology and Health Statistics, Capital Medical University School of Public Health, Beijing, China; Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Xiangtong Liu
- Department of Epidemiology and Health Statistics, Capital Medical University School of Public Health, Beijing, China; Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Bin Dong
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Jing Wei
- Department of Atmospheric and Oceanic Science, Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Xiuhua Guo
- Department of Epidemiology and Health Statistics, Capital Medical University School of Public Health, Beijing, China; Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Sizhe Huang
- Zhongshan Health Care Centers for Primary and Secondary School, Zhongshan 528403, China
| | - Yi Song
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China
| | - Yanhui Dong
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China.
| | - Jun Ma
- Institute of Child and Adolescent Health, School of Public Health, Peking University, National Health Commission Key Laboratory of Reproductive Health, Beijing 100191, China.
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10
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Tung NT, Lee YL, Lin SY, Wu CD, Dung HB, Thuy TPC, Kuan YC, Tsai CY, Lo CC, Lo K, Ho KF, Liu WT, Chuang HC. Associations of ambient air pollution with overnight changes in body composition and sleep-related parameters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 791:148265. [PMID: 34119796 DOI: 10.1016/j.scitotenv.2021.148265] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 05/18/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
This study aims to investigate the association of air pollution with overnight change in 4body composition and sleep-related parameters. Body composition of 197 subjects in New Taipei city was measured before and after sleep by bioelectric impedance analysis. Air pollutant data were collected from Taiwan Environmental Protection Administration. Sleep parameters were examined by polysomnography. We observed fine particulate matter (PM2.5) decreased arterial oxygen saturation (SaO2) and increased apnea-hypopnea index (AHI); NO2 increased arousal, AHI, and decreased mean SaO2; and O3 inmcreased mean SaO2. We observed 0.99-μg/m3 increase in PM2.5 was associated with 18.8% increase in changes of right arm fat percentage (95% confidence interval (CI): 0.004, 0.375) and 0.011-kg increase in changes of right arm fat mass (95% CI: 0.000, 0.021). 2.45-ppb increase in NO2 was associated with 0.181-kg decrease in changes of muscle mass (95% CI: -0.147, -0.001), 0.192-kg decrease in changes of fat free mass (95% CI: -0.155, -0.001), 21.1% increase in changes of right leg fat percentage (95% CI: 0.012, 0.160), and 21.3% increase in changes of left leg fat percentage (95% CI: 0.006, 0.168). 1.56-ppb increase in O3 was associated with 29.3% decrease in changes of right leg fat percentage (95% CI: -0.363, -0.013), 0.058-kg increase in changes of right leg fat free mass (95% CI: 0.008, 0.066), and 0.059-kg increase in changes of right leg muscle mass (95% CI: 0.010, 0.066). We observed AHI was associated with overnight changes in fat percentage, total fat mass, muscle mass, bone mass, fat free mass, extracellular water, basal metabolic rate, leg fat percentage, leg fat mass, and trunk fat percentage (p < 0.05). In conclusion, exposure to air pollutants was associated with overnight body composition changes and sleep-related parameters. Nocturnal changes in total muscle mass and leg fat percentage likely contribute to the relationship between air pollution and obstructive sleep apnea.
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Affiliation(s)
- Nguyen Thanh Tung
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Otorhinolaryngology Department, Cho Ray Hospital, Ho Chi Minh City, Viet Nam.
| | - Yueh-Lun Lee
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Shang-Yang Lin
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Chih-Da Wu
- Department of Geomatics, National Cheng Kung University, Tainan, Taiwan; National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan.
| | - Hoang Ba Dung
- Otorhinolaryngology Department, Cho Ray Hospital, Ho Chi Minh City, Viet Nam
| | - Tran Phan Chung Thuy
- Otorhinolaryngology Department, Faculty of Medicine, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Viet Nam
| | - Yi-Chun Kuan
- Taipei Neuroscience Institute, Taipei Medical University, Taipei, Taiwan; Department of Neurology, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan; Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Cheng-Yu Tsai
- Department of Civil and Environmental Engineering, Imperial College London, London, UK
| | - Chen-Chen Lo
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kang Lo
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Kin-Fai Ho
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China.
| | - Wen-Te Liu
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Hsiao-Chi Chuang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan; Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan; Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
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11
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Xia X, Qiu H, Kwok T, Ko FWS, Man CL, Ho KF. Time course of blood oxygen saturation responding to short-term fine particulate matter among elderly healthy subjects and patients with chronic obstructive pulmonary disease. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:138022. [PMID: 32217387 DOI: 10.1016/j.scitotenv.2020.138022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/09/2020] [Accepted: 03/16/2020] [Indexed: 06/10/2023]
Abstract
Patients with chronic obstructive pulmonary disease (COPD) often experience deteriorating gaseous exchange which in turn may result in declines in blood oxygen saturation (SpO2). Increasing evidence has also shown that elevated levels of fine particulate matter (PM2.5) may contribute to COPD pathogenesis. However, the acute effects of PM2.5 on SpO2 among COPD patients remain unclear, especially for its time course. Therefore, we conducted this panel study with 3-day real-time monitoring for personal PM2.5 exposure and concurrent SpO2 of 39 participants (20 COPD patients, 19 healthy participants), aged 60 to 90 years, in Hong Kong to explore the acute effects of personal PM2.5 exposure on SpO2 (within minutes to hours). We applied a linear mixed effect model to examine the associations between personal PM2.5 and SpO2, while adjusting for temporal trend, personal characteristics, weather conditions, and co-exposure to gaseous pollutants (ambient ozone, nitrogen dioxides, carbon monoxide, and atmospheric pressure). We found that short-term exposure to PM2.5 might result in acute declines of SpO2 within minutes, and the effects would last for several hours. An interquartile range increase of personal PM2.5 exposure (17.2 μg/m3) was associated with -0.19% (95% CI: -0.26% to -0.12%) changes of concurrent SpO2 for all participants. The most significant decline was observed at lag0-3 h, and then became insignificant at lag0-12 h. At lag0-1 h, estimated mean changes of SpO2 were -0.40% (95% CI: -0.55% to -0.24%) for COPD patients and -0.09% (95% CI: -0.23% to 0.06%) for healthy participants. Compared with healthy participants, the effects of PM2.5 exposure on SpO2 for COPD patients were slightly stronger and more acute. Reducing PM2.5 concentrations might be a useful approach to improve health status and reduce exacerbations for COPD patients.
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Affiliation(s)
- Xi Xia
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China.
| | - Hong Qiu
- Institute of Environment, Energy and Sustainability, The Chinese University of Hong Kong, Hong Kong, China.
| | - Timothy Kwok
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China; The Jockey Club Centre for Osteoporosis Care and Control, The Chinese University of Hong Kong, Hong Kong, China.
| | - Fanny W S Ko
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China.
| | - Chung Ling Man
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China.
| | - Kin-Fai Ho
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China.
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12
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Chaumont M, Tagliatti V, Channan EM, Colet JM, Bernard A, Morra S, Deprez G, Van Muylem A, Debbas N, Schaefer T, Faoro V, van de Borne P. Short halt in vaping modifies cardiorespiratory parameters and urine metabolome: a randomized trial. Am J Physiol Lung Cell Mol Physiol 2019; 318:L331-L344. [PMID: 31721596 PMCID: PMC7052663 DOI: 10.1152/ajplung.00268.2019] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Propylene glycol and glycerol are e-cigarette constituents that facilitate liquid vaporization and nicotine transport. As these small hydrophilic molecules quickly cross the lung epithelium, we hypothesized that short-term cessation of vaping in regular users would completely clear aerosol deposit from the lungs and reverse vaping-induced cardiorespiratory toxicity. We aimed to assess the acute effects of vaping and their reversibility on biological/clinical cardiorespiratory parameters [serum/urine pneumoproteins, hemodynamic parameters, lung-function test and diffusing capacities, transcutaneous gas tensions (primary outcome), and skin microcirculatory blood flow]. Regular e-cigarette users were enrolled in this randomized, investigator-blinded, three-period crossover study. The periods consisted of nicotine-vaping (nicotine-session), nicotine-free vaping (nicotine-free-session), and complete cessation of vaping (stop-session), all maintained for 5 days before the session began. Multiparametric metabolomic analyses were used to verify subjects' protocol compliance. Biological/clinical cardiorespiratory parameters were assessed at the beginning of each session (baseline) and after acute vaping exposure. Compared with the nicotine- and nicotine-free-sessions, a specific metabolomic signature characterized the stop-session. Baseline serum club cell protein-16 was higher during the stop-session than the other sessions (P < 0.01), and heart rate was higher in the nicotine-session (P < 0.001). Compared with acute sham-vaping in the stop-session, acute nicotine-vaping (nicotine-session) and acute nicotine-free vaping (nicotine-free-session) slightly decreased skin oxygen tension (P < 0.05). In regular e-cigarette-users, short-term vaping cessation seemed to shift baseline urine metabolome and increased serum club cell protein-16 concentration, suggesting a decrease in lung inflammation. Additionally, acute vaping with and without nicotine decreased slightly transcutaneous oxygen tension, likely as a result of lung gas exchanges disturbances.
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Affiliation(s)
- Martin Chaumont
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Vanessa Tagliatti
- Department of Human Biology and Toxicology, University of Mons, Mons, Belgium
| | - El Mehdi Channan
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Jean-Marie Colet
- Department of Human Biology and Toxicology, University of Mons, Mons, Belgium
| | - Alfred Bernard
- Laboratory of Toxicology and Applied Pharmacology, Institute of Experimental and Clinical Research, Université Catholique de Louvain, Brussels, Belgium
| | - Sofia Morra
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Guillaume Deprez
- Department of Clinical Chemistry, Université Libre de Bruxelles, Brussels, Belgium
| | - Alain Van Muylem
- Chest Department, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Nadia Debbas
- Department of Cardiology, Centre Hospitalier Universitaire Saint-Pierre, Université Libre de Bruxelles, Brussels, Belgium
| | - Thomas Schaefer
- Cardio-Pulmonary Exercise Laboratory, Université Libre de Bruxelles, Brussels, Belgium
| | - Vitalie Faoro
- Cardio-Pulmonary Exercise Laboratory, Université Libre de Bruxelles, Brussels, Belgium
| | - Philippe van de Borne
- Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.,Institute for Translational Research in Cardiovascular and Respiratory Sciences, Université Libre de Bruxelles, Brussels, Belgium
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13
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Yadav AK, Yadav PK, Chaudhary GR, Tiwari M, Gupta A, Sharma A, Pandey AN, Pandey AK, Chaube SK. Autophagy in hypoxic ovary. Cell Mol Life Sci 2019; 76:3311-3322. [PMID: 31062072 PMCID: PMC11105528 DOI: 10.1007/s00018-019-03122-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 03/30/2019] [Accepted: 04/29/2019] [Indexed: 12/19/2022]
Abstract
Oxygen deprivation affects human health by modulating system as well as cellular physiology. Hypoxia generates reactive oxygen species (ROS), causes oxidative stress and affects female reproductive health by altering ovarian as well as oocyte physiology in mammals. Hypoxic conditions lead to several degenerative changes by inducing various cell death pathways like autophagy, apoptosis and necrosis in the follicle of mammalian ovary. The encircling somatic cell death interrupts supply of nutrients to the oocyte and nutrient deprivation may result in the generation of ROS. Increased level of ROS could induce granulosa cells as well as oocyte autophagy. Although autophagy removes damaged proteins and subcellular organelles to maintain the cell survival, irreparable damages could induce cell death within intra-follicular microenvironment. Hypoxia-induced autophagy is operated through 5' AMP activated protein kinase-mammalian target of rapamycin, endoplasmic reticulum stress/unfolded protein response and protein kinase C delta-c-junN terminal kinase 1 pathways in a wide variety of somatic cell types. Similar to somatic cells, we propose that hypoxia may induce granulosa cell as well as oocyte autophagy and it could be responsible at least in part for germ cell elimination from mammalian ovary. Hypoxia-mediated germ cell depletion may cause several reproductive impairments including early menopause in mammals.
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Affiliation(s)
- Anil Kumar Yadav
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Pramod K Yadav
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Govind R Chaudhary
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Meenakshi Tiwari
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Anumegha Gupta
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Alka Sharma
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Ashutosh N Pandey
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Ajai K Pandey
- Department of Kayachikitsa, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Shail K Chaube
- Cell Physiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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14
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Jhun I, Kim J, Cho B, Gold DR, Schwartz J, Coull BA, Zanobetti A, Rice MB, Mittleman MA, Garshick E, Vokonas P, Bind MA, Wilker EH, Dominici F, Suh H, Koutrakis P. Synthesis of Harvard Environmental Protection Agency (EPA) Center studies on traffic-related particulate pollution and cardiovascular outcomes in the Greater Boston Area. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2019; 69:900-917. [PMID: 30888266 PMCID: PMC6650311 DOI: 10.1080/10962247.2019.1596994] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 03/11/2019] [Indexed: 05/24/2023]
Abstract
The association between particulate pollution and cardiovascular morbidity and mortality is well established. While the cardiovascular effects of nationally regulated criteria pollutants (e.g., fine particulate matter [PM2.5] and nitrogen dioxide) have been well documented, there are fewer studies on particulate pollutants that are more specific for traffic, such as black carbon (BC) and particle number (PN). In this paper, we synthesized studies conducted in the Greater Boston Area on cardiovascular health effects of traffic exposure, specifically defined by BC or PN exposure or proximity to major roadways. Large cohort studies demonstrate that exposure to traffic-related particles adversely affect cardiac autonomic function, increase systemic cytokine-mediated inflammation and pro-thrombotic activity, and elevate the risk of hypertension and ischemic stroke. Key patterns emerged when directly comparing studies with overlapping exposure metrics and population cohorts. Most notably, cardiovascular risk estimates of PN and BC exposures were larger in magnitude or more often statistically significant compared to those of PM2.5 exposures. Across multiple exposure metrics (e.g., short-term vs. long-term; observed vs. modeled) and different population cohorts (e.g., elderly, individuals with co-morbidities, young healthy individuals), there is compelling evidence that BC and PN represent traffic-related particles that are especially harmful to cardiovascular health. Further research is needed to validate these findings in other geographic locations, characterize exposure errors associated with using monitored and modeled traffic pollutant levels, and elucidate pathophysiological mechanisms underlying the cardiovascular effects of traffic-related particulate pollutants. Implications: Traffic emissions are an important source of particles harmful to cardiovascular health. Traffic-related particles, specifically BC and PN, adversely affect cardiac autonomic function, increase systemic inflammation and thrombotic activity, elevate BP, and increase the risk of ischemic stroke. There is evidence that BC and PN are associated with greater cardiovascular risk compared to PM2.5. Further research is needed to elucidate other health effects of traffic-related particles and assess the feasibility of regulating BC and PN or their regional and local sources.
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Affiliation(s)
- Iny Jhun
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
- Harvard Medical School, Boston, MA
| | - Jina Kim
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
| | | | - Diane R. Gold
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
- Harvard Medical School, Boston, MA
- Channing Division of Network Medicine, Brigham and Women’s Hospital, Boston, MA
| | - Joel Schwartz
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
| | - Brent A. Coull
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Antonella Zanobetti
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
| | - Mary B. Rice
- Division of Pulmonary, Critical Care and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA
| | - Murray A. Mittleman
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- Cardiovascular Epidemiology Research Unit, Beth Israel Deaconess Medical Center, Boston, MA
| | - Eric Garshick
- Harvard Medical School, Boston, MA
- Channing Division of Network Medicine, Brigham and Women’s Hospital, Boston, MA
- Pulmonary, Allergy, Sleep and Critical Care Medicine, Veterans Affairs Boston Healthcare System, Boston, MA
| | - Pantel Vokonas
- Veterans Affairs Normative Aging Study, Veterans Affairs Boston Healthcare System, Boston, MA
- Department of Preventive Medicine and Epidemiology, Boston University School of Medicine, Boston, MA
| | - Marie-Abele Bind
- Faculty of Arts and Sciences, Science Center, Harvard University, Cambridge, MA
| | - Elissa H. Wilker
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
- Cardiovascular Epidemiology Research Unit, Beth Israel Deaconess Medical Center, Boston, MA
- Sanofi Genzyme, Cambridge, MA
| | - Francesca Dominici
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Helen Suh
- Tufts University, Department of Civil and Environmental Engineering, Medford, MA
| | - Petros Koutrakis
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA
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15
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Gangwar C, Choudhari R, Chauhan A, Kumar A, Singh A, Tripathi A. Assessment of air pollution caused by illegal e-waste burning to evaluate the human health risk. ENVIRONMENT INTERNATIONAL 2019; 125:191-199. [PMID: 30721825 DOI: 10.1016/j.envint.2018.11.051] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 11/13/2018] [Accepted: 11/21/2018] [Indexed: 05/24/2023]
Abstract
The onset of the 21st century has started a corresponding change in consumer lifestyles, resulting in the generation of a huge amount of the end-of-life electronics, known as e-waste. The e-waste recycling activities can pose a high risk to the environment and human health. We monitored air pollution levels (PM10) and heavy metal concentrations (Pb, Cu, Zn, Ni and Cr) in the air for three consecutive months in an area where illegal e-waste recycling was in operation and compared the results with other two residential sites. In addition, we measured the concentrations of the same heavy metals in human blood to find out if there exists any correlation between environmental and biological exposure. Hypoxemia and hypertension were also determined for the comparison of health status amongst the study population. The study design comprised of three sites, which were selected on the basis of different major activities in the respective areas. Air samples were collected with the help of RDS and subjected to heavy metals analysis by ICP-OES, whereas blood samples were analyzed by ICP-MS. Results showed that amongst all study sites significant highest mean concentration of PM10 (243.310 ± 22.729 μg/m3) and its heavy metal was found at e-waste burning site (SIII). High levels of heavy metal in the air were responsible for the higher exposure to the residents of SIII. Therefore, the study concluded that e-waste burning by the informal sector has significantly contributed to the high levels of the air pollution, which in turn was responsible for the highest level of heavy metal exposure to the residents. This was also associated with the occurrence of cardiovascular morbidity namely hypertension amongst the inhabitants of SIII may indicate the effect of chronic exposure to the air pollution due to e-waste processing activities, which needs to be studied further.
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Affiliation(s)
- Charu Gangwar
- Pollution Ecology Research Lab, Department of Botany, Hindu College, Moradabad, India; School of Science, IFTM University, Moradabad, India.
| | | | - Anju Chauhan
- Pollution Ecology Research Lab, Department of Botany, Hindu College, Moradabad, India; School of Science, IFTM University, Moradabad, India
| | - Atul Kumar
- Pollution Ecology Research Lab, Department of Botany, Hindu College, Moradabad, India; School of Science, IFTM University, Moradabad, India
| | - Aprajita Singh
- Pollution Ecology Research Lab, Department of Botany, Hindu College, Moradabad, India; School of Science, IFTM University, Moradabad, India
| | - Anamika Tripathi
- Pollution Ecology Research Lab, Department of Botany, Hindu College, Moradabad, India
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16
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Shih CH, Chen JK, Kuo LW, Cho KH, Hsiao TC, Lin ZW, Lin YS, Kang JH, Lo YC, Chuang KJ, Cheng TJ, Chuang HC. Chronic pulmonary exposure to traffic-related fine particulate matter causes brain impairment in adult rats. Part Fibre Toxicol 2018; 15:44. [PMID: 30413208 PMCID: PMC6234801 DOI: 10.1186/s12989-018-0281-1 10.1186/s12989-018-0281-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Effects of air pollution on neurotoxicity and behavioral alterations have been reported. The objective of this study was to investigate the pathophysiology caused by particulate matter (PM) in the brain. We examined the effects of traffic-related particulate matter with an aerodynamic diameter of < 1 μm (PM1), high-efficiency particulate air (HEPA)-filtered air, and clean air on the brain structure, behavioral changes, brainwaves, and bioreactivity of the brain (cortex, cerebellum, and hippocampus), olfactory bulb, and serum after 3 and 6 months of whole-body exposure in 6-month-old Sprague Dawley rats. RESULTS The rats were exposed to 16.3 ± 8.2 (4.7~ 68.8) μg/m3 of PM1 during the study period. An MRI analysis showed that whole-brain and hippocampal volumes increased with 3 and 6 months of PM1 exposure. A short-term memory deficiency occurred with 3 months of exposure to PM1 as determined by a novel object recognition (NOR) task, but there were no significant changes in motor functions. There were no changes in frequency bands or multiscale entropy of brainwaves. Exposure to 3 months of PM1 increased 8-isoporstance in the cortex, cerebellum, and hippocampus as well as hippocampal inflammation (interleukin (IL)-6), but not in the olfactory bulb. Systemic CCL11 (at 3 and 6 months) and IL-4 (at 6 months) increased after PM1 exposure. Light chain 3 (LC3) expression increased in the hippocampus after 6 months of exposure. Spongiosis and neuronal shrinkage were observed in the cortex, cerebellum, and hippocampus (neuronal shrinkage) after exposure to air pollution. Additionally, microabscesses were observed in the cortex after 6 months of PM1 exposure. CONCLUSIONS Our study first observed cerebral edema and brain impairment in adult rats after chronic exposure to traffic-related air pollution.
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Affiliation(s)
- Chi-Hsiang Shih
- 0000 0000 9337 0481grid.412896.0School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jen-Kun Chen
- 0000000406229172grid.59784.37Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Li-Wei Kuo
- 0000000406229172grid.59784.37Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Kuan-Hung Cho
- 0000000406229172grid.59784.37Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Ta-Chih Hsiao
- 0000 0004 0546 0241grid.19188.39Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan
| | - Zhe-Wei Lin
- 0000 0000 9337 0481grid.412896.0School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Syuan Lin
- 0000 0000 9337 0481grid.412896.0School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jiunn-Horng Kang
- 0000 0004 0639 0994grid.412897.1Department of Physical Medicine and Rehabilitation, Taipei Medical University Hospital, Taipei, Taiwan ,0000 0000 9337 0481grid.412896.0Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yu-Chun Lo
- 0000 0000 9337 0481grid.412896.0The Ph.D Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Kai-Jen Chuang
- 0000 0000 9337 0481grid.412896.0School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan ,0000 0000 9337 0481grid.412896.0Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tsun-Jen Cheng
- 0000 0004 0546 0241grid.19188.39Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Hsiao-Chi Chuang
- 0000 0000 9337 0481grid.412896.0School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan ,0000 0000 9337 0481grid.412896.0School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan ,0000 0000 9337 0481grid.412896.0Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
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Shih CH, Chen JK, Kuo LW, Cho KH, Hsiao TC, Lin ZW, Lin YS, Kang JH, Lo YC, Chuang KJ, Cheng TJ, Chuang HC. Chronic pulmonary exposure to traffic-related fine particulate matter causes brain impairment in adult rats. Part Fibre Toxicol 2018; 15:44. [PMID: 30413208 PMCID: PMC6234801 DOI: 10.1186/s12989-018-0281-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 10/24/2018] [Indexed: 11/30/2022] Open
Abstract
Background Effects of air pollution on neurotoxicity and behavioral alterations have been reported. The objective of this study was to investigate the pathophysiology caused by particulate matter (PM) in the brain. We examined the effects of traffic-related particulate matter with an aerodynamic diameter of < 1 μm (PM1), high-efficiency particulate air (HEPA)-filtered air, and clean air on the brain structure, behavioral changes, brainwaves, and bioreactivity of the brain (cortex, cerebellum, and hippocampus), olfactory bulb, and serum after 3 and 6 months of whole-body exposure in 6-month-old Sprague Dawley rats. Results The rats were exposed to 16.3 ± 8.2 (4.7~ 68.8) μg/m3 of PM1 during the study period. An MRI analysis showed that whole-brain and hippocampal volumes increased with 3 and 6 months of PM1 exposure. A short-term memory deficiency occurred with 3 months of exposure to PM1 as determined by a novel object recognition (NOR) task, but there were no significant changes in motor functions. There were no changes in frequency bands or multiscale entropy of brainwaves. Exposure to 3 months of PM1 increased 8-isoporstance in the cortex, cerebellum, and hippocampus as well as hippocampal inflammation (interleukin (IL)-6), but not in the olfactory bulb. Systemic CCL11 (at 3 and 6 months) and IL-4 (at 6 months) increased after PM1 exposure. Light chain 3 (LC3) expression increased in the hippocampus after 6 months of exposure. Spongiosis and neuronal shrinkage were observed in the cortex, cerebellum, and hippocampus (neuronal shrinkage) after exposure to air pollution. Additionally, microabscesses were observed in the cortex after 6 months of PM1 exposure. Conclusions Our study first observed cerebral edema and brain impairment in adult rats after chronic exposure to traffic-related air pollution. Electronic supplementary material The online version of this article (10.1186/s12989-018-0281-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chi-Hsiang Shih
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jen-Kun Chen
- Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Li-Wei Kuo
- Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Kuan-Hung Cho
- Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Ta-Chih Hsiao
- Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan
| | - Zhe-Wei Lin
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Syuan Lin
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jiunn-Horng Kang
- Department of Physical Medicine and Rehabilitation, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yu-Chun Lo
- The Ph.D Program for Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Kai-Jen Chuang
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan.,Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tsun-Jen Cheng
- Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Hsiao-Chi Chuang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan. .,School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan. .,Division of Pulmonary Medicine, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.
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Sarnat SE, Winquist A, Schauer JJ, Turner JR, Sarnat JA. Fine particulate matter components and emergency department visits for cardiovascular and respiratory diseases in the St. Louis, Missouri-Illinois, metropolitan area. ENVIRONMENTAL HEALTH PERSPECTIVES 2015; 123:437-44. [PMID: 25575028 PMCID: PMC4421761 DOI: 10.1289/ehp.1307776] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Accepted: 01/06/2015] [Indexed: 05/03/2023]
Abstract
BACKGROUND Given that fine particulate matter (≤ 2.5 μm; PM2.5) is a mixture of multiple components, it has been of high interest to identify its specific health-relevant physical and/or chemical features. OBJECTIVES We conducted a time-series study of PM2.5 and cardiorespiratory emergency department (ED) visits in the St. Louis, Missouri-Illinois metropolitan area, using 2 years of daily PM2.5 and PM2.5 component measurements (including ions, carbon, particle-phase organic compounds, and elements) made at the St. Louis-Midwest Supersite, a monitoring site of the U.S. Environmental Protection Agency Supersites ambient air monitoring research program. METHODS Using Poisson generalized linear models, we assessed short-term associations between daily cardiorespiratory ED visit counts and daily levels of 24 selected pollutants. Associations were estimated for interquartile range changes in each pollutant. To allow comparison of relationships among multiple pollutants and outcomes with potentially different lag structures, we used 3-day unconstrained distributed lag models controlling for time trends and meteorology. RESULTS Considering results of our primary models, as well as sensitivity analyses and models assessing co-pollutant confounding, we observed robust associations of cardiovascular disease visits with 17α(H),21β(H)-hopane and congestive heart failure visits with elemental carbon. We also observed a robust association of respiratory disease visits with ozone. For asthma/wheeze, associations were strongest with ozone and nitrogen dioxide; observed associations of asthma/wheeze with PM2.5 and its components were attenuated in two-pollutant models with these gases. Differential measurement error due to differential patterns of spatiotemporal variability may have influenced patterns of observed associations across pollutants. CONCLUSIONS Our findings add to the growing field examining the health effects of PM2.5 components. Combustion-related components of the pollutant mix showed particularly strong associations with cardiorespiratory ED visit outcomes.
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Akinseye OA, Williams SK, Seixas A, Pandi-Perumal SR, Vallon J, Zizi F, Jean-Louis G. Sleep as a mediator in the pathway linking environmental factors to hypertension: a review of the literature. Int J Hypertens 2015; 2015:926414. [PMID: 25821594 PMCID: PMC4363706 DOI: 10.1155/2015/926414] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 02/20/2015] [Accepted: 02/20/2015] [Indexed: 11/17/2022] Open
Abstract
Environmental factors, such as noise exposure and air pollution, are associated with hypertension. These environmental factors also affect sleep quality. Given the growing evidence linking sleep quality with hypertension, the purpose of this review is to investigate the role of sleep as a key mediator in the association between hypertension and environmental factors. Through this narrative review of the extant literature, we highlight that poor sleep quality mediates the relationship between environmental factors and hypertension. The conceptual model proposed in this review offers opportunities to address healthcare disparities in hypertension among African Americans by highlighting the disparate impact that the predictors (environmental factors) and mediator (sleep) have on the African-American community. Understanding the impact of these factors is crucial since the main outcome variable (hypertension) severely burdens the African-American community.
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Affiliation(s)
- Oluwaseun A. Akinseye
- Department of Medicine, Icahn School of Medicine at Mount Sinai, Queens Hospital Center, 82-68 164th Street, Jamaica, NY 11432, USA
| | - Stephen K. Williams
- Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, 227 East 30th Street, New York, NY 10016, USA
| | - Azizi Seixas
- Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, 227 East 30th Street, New York, NY 10016, USA
| | - Seithikurippu R. Pandi-Perumal
- Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, 227 East 30th Street, New York, NY 10016, USA
| | - Julian Vallon
- Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, 227 East 30th Street, New York, NY 10016, USA
| | - Ferdinand Zizi
- Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, 227 East 30th Street, New York, NY 10016, USA
| | - Girardin Jean-Louis
- Center for Healthful Behavior Change, Department of Population Health, NYU School of Medicine, 227 East 30th Street, New York, NY 10016, USA
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