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Miao J, Feng S, Dou S, Ma Y, Yang L, Yan L, Yu P, Wu Y, Ye T, Wen B, Lu P, Li S, Guo Y. Association between mercury exposure and lung function in young adults: A prospective cohort study in Shandong, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:162759. [PMID: 36907407 DOI: 10.1016/j.scitotenv.2023.162759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 02/02/2023] [Accepted: 03/05/2023] [Indexed: 05/13/2023]
Abstract
BACKGROUND Mercury has been associated with many adverse health outcomes. However, limited studies have explored the association between blood mercury concentrations and lung function. OBJECTIVE To examine the association between blood mercury concentrations and lung function among young adults. METHODS We conducted a prospective cohort study among 1800 college students based on the Chinese Undergraduates Cohort in Shandong, China during August 2019 and September 2020. Lung function indicators including forced vital capacity (FVC, ml), forced expiratory volume in 1 s (FEV1, ml) and peak expiratory flow (PEF, ml) were collected with a spirometers (Chestgraph Jr. HI-101, Chest M.I., Tokyo, Japan). The blood mercury concentration was measured using inductively coupled plasma mass spectrometry. We divided participants into low (≤25 percentiles), intermediate (25-75 percentiles), and high (≥75 percentile) subgroups according to blood mercury concentrations. The multiple linear regression model was used to examine the associations between blood mercury concentrations and lung function changes. Stratification analyses by sex and fish consumption frequency were also conducted. RESULTS The results showed that each 2-fold increase in blood mercury concentrations was significantly associated with -70.75 ml [95 % confidence interval (CI): -122.35, -19.15] change in FVC, -72.68 ml (95%CI: -120.36, -25.00) in FEV1, and -158.06 ml (95%CI: -283.77, -32.35) in PEF. The effect was more pronounced among participants with high blood mercury and male participants. Participants who consumed fish more than once a week more likely to be affected by mercury. CONCLUSION Our study indicated that blood mercury was significantly associated with decreased lung function in young adults. It is necessary to implement corresponding measures to reduce the effect of mercury on the respiratory system, especially for men and people who consumed fish more than once a week.
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Affiliation(s)
- Jiaming Miao
- Binzhou Medical University, Yantai, Shandong, China
| | - Shurong Feng
- Binzhou Medical University, Yantai, Shandong, China
| | - Siqi Dou
- Binzhou Medical University, Yantai, Shandong, China
| | - Yang Ma
- Binzhou Medical University, Yantai, Shandong, China
| | - Liu Yang
- Binzhou Medical University, Yantai, Shandong, China
| | - Lailai Yan
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing, China
| | - Pei Yu
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Yao Wu
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Tingting Ye
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Bo Wen
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Peng Lu
- Binzhou Medical University, Yantai, Shandong, China.
| | - Shanshan Li
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.
| | - Yuming Guo
- Binzhou Medical University, Yantai, Shandong, China; Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.
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Chanihoon GQ, Afridi HI, Unar A, Talpur FN, Kalochi HB, Nassani R, Laghari N, Uddin N, Ghulam A, Chandio AUR. Selenium and mercury concentrations in biological samples from patients with COVID-19. J Trace Elem Med Biol 2022; 73:127038. [PMID: 35863260 PMCID: PMC9288246 DOI: 10.1016/j.jtemb.2022.127038] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 06/26/2022] [Accepted: 07/13/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) is a systemic disease affecting multiple organs. Furthermore, viral infection depletes several trace elements and promotes complex biochemical reactions in the body. Smoking has been linked to the incidence of COVID-19 and associated mortality, and it may impact clinical effects, viral and bacterial conversion, and treatment outcomes. OBJECTIVES To study the relationship between severe acute respiratory syndrome coronavirus type 2 and the elemental concentrations of selenium (Se) and mercury (Hg) in biological samples from smokers and nonsmokers infected with the virus and in healthy individuals. METHOD We evaluated changes in the concentrations of essential (Se) and toxic (Hg) elements in biological samples (blood, nasal fluid, saliva, sputum, serum, and scalp hair) collected from male smokers and nonsmokers (aged 29-59 years) infected with COVID-19 and from healthy men in the same age group. The patients lived in different cities in Sindh Province, Pakistan. The Se and Hg concentrations were determined using atomic absorption spectrophotometry. RESULTS Se concentrations in all types of biological samples from smokers and nonsmokers with COVID-19 were lower than those of healthy smokers and nonsmokers. Hg concentrations were elevated in both smokers and nonsmokers with COVID-19. CONCLUSIONS In the current study, persons infected with COVID-19 had higher concentrations of toxic Hg, which could cause physiological disorders, and low concentrations of essential Se, which can also cause weakness. COVID-19 infection showed positive correlations with levels of mercury and selenium. Thus, additional clinical and experimental investigations are essential.
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Affiliation(s)
- Ghulam Qadir Chanihoon
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan
| | - Hassan Imran Afridi
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan.
| | - Ahsanullah Unar
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China.
| | - Farah Naz Talpur
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan
| | - Hadi Bakhsh Kalochi
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan
| | - Rayan Nassani
- Center for Computational Biology, Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Nazia Laghari
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan
| | - Najam Uddin
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan
| | - Ali Ghulam
- Computerization and Network Section, Sindh Agriculture University, Sindh, Pakistan
| | - Anees Ur Rahman Chandio
- National Centre of Excellence in Analytical Chemistry, University of Sindh Jamshoro, Sindh, 76080, Pakistan
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Xu H, Mao Y, Hu Y, Xu B. Association between exposure to polyfluoroalkyl chemicals and increased fractional exhaled nitric oxide in adults. ENVIRONMENTAL RESEARCH 2021; 198:110450. [PMID: 33188757 DOI: 10.1016/j.envres.2020.110450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 11/06/2020] [Accepted: 11/07/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Perfluoroalkyl chemicals (PFCs) are widely detected in the environment and human body, and they have been linked to asthma and a number of respiratory responses in children and mice. However, no previous studies have investigated the association between exposure to PFCs and airway inflammation in adults. OBJECTIVES To evaluate the associations between serum PFCs and fractional exhaled nitric oxide (FeNO), a biomarker of airway inflammation, in adults. METHODS A cross-sectional study of 3630 adults aged 20-79 years who participated in the National Health and Nutrition Examination Survey (NHANES, 2007-2012) was conducted. Serum concentrations of five major PFCs were measured using SPE-HPLC-TIS-MS/MS method, including perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), and perfluorodecanoic acid (PFDE). The detection rates of them were all >85%. Weighted multivariable linear regression and Bayesian kernel machine regression (BKMR) analyses were applied to examine the associations between serum PFCs and FeNO. RESULTS After adjusted for potential confounding factors, linear regression analyses found that compared with their lowest tertiles, highest tertiles of PFOS, PFDE and PFOA were significantly associated with 5.02% (95% CI: 1.40%, 8.77%), 3.77% (95% CI: 0.30%, 7.36%) and 6.34% (95% CI: 2.81%, 10.01%) increases in FeNO, respectively. The second tertile of PFNA was significantly correlated with a 4.79% (95% CI: 1.41%, 8.29%) increase in FeNO compared with the lowest tertile. In the BKMR analysis, the mixture effect of PFCs on FeNO increased significantly when the PFC levels were at or above the 60th percentiles compared to those at their medians. PFOS and PFOA displayed significant positive single-exposure effects on FeNO when all the other PFCs are set at a particular threshold. CONCLUSIONS This study provided preliminary evidence that serum PFCs were positively associated with increased FeNO in adults.
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Affiliation(s)
- Huadong Xu
- Department of Occupational and Environmental Health, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan.
| | - Yu Mao
- Department of Occupational and Environmental Health, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Yanan Hu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.288 Nanjing Road, Heping District, Tianjin, 300020, China
| | - Bucai Xu
- The Longgang People's Hospital, Wenzhou Medical University, No.238 Longxiang Road, Longgang City, Zhejiang, 325800, China.
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Skalny AV, Lima TRR, Ke T, Zhou JC, Bornhorst J, Alekseenko SI, Aaseth J, Anesti O, Sarigiannis DA, Tsatsakis A, Aschner M, Tinkov AA. Toxic metal exposure as a possible risk factor for COVID-19 and other respiratory infectious diseases. Food Chem Toxicol 2020; 146:111809. [PMID: 33069759 PMCID: PMC7563920 DOI: 10.1016/j.fct.2020.111809] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/25/2020] [Accepted: 10/01/2020] [Indexed: 01/08/2023]
Abstract
Multiple medical, lifestyle, and environmental conditions, including smoking and particulate pollution, have been considered as risk factors for COronaVIrus Disease 2019 (COVID-19) susceptibility and severity. Taking into account the high level of toxic metals in both particulate matter (PM2.5) and tobacco smoke, the objective of this review is to discuss recent data on the role of heavy metal exposure in development of respiratory dysfunction, immunotoxicity, and severity of viral diseases in epidemiological and experimental studies, as to demonstrate the potential crossroads between heavy metal exposure and COVID-19 severity risk. The existing data demonstrate that As, Cd, Hg, and Pb exposure is associated with respiratory dysfunction and respiratory diseases (COPD, bronchitis). These observations corroborate laboratory findings on the role of heavy metal exposure in impaired mucociliary clearance, reduced barrier function, airway inflammation, oxidative stress, and apoptosis. The association between heavy metal exposure and severity of viral diseases, including influenza and respiratory syncytial virus has been also demonstrated. The latter may be considered a consequence of adverse effects of metal exposure on adaptive immunity. Therefore, reduction of toxic metal exposure may be considered as a potential tool for reducing susceptibility and severity of viral diseases affecting the respiratory system, including COVID-19.
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Affiliation(s)
- Anatoly V Skalny
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Federal Research Centre of Biological Systems and Agro-technologies of the Russian Academy of Sciences, Orenburg, Russia.
| | - Thania Rios Rossi Lima
- São Paulo State University - UNESP, Center for Evaluation of Environmental Impact on Human Health (TOXICAM), Botucatu, SP, Brazil; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Tao Ke
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Ji-Chang Zhou
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong Province, China
| | - Julia Bornhorst
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Svetlana I Alekseenko
- I.I. Mechnikov North-Western State Medical University, St. Petersburg, Russia; K.A. Rauhfus Children's City Multidisciplinary Clinical Center for High Medical Technologies, St. Petersburg, Russia
| | - Jan Aaseth
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Research Department, Innlandet Hospital Trust, Brumunddal, Norway
| | - Ourania Anesti
- Laboratory of Toxicology, Medical School, University of Crete, Voutes, Heraklion, Crete, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Aristotle University of Thessaloniki, Thermi, Greece
| | - Dimosthenis A Sarigiannis
- HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Aristotle University of Thessaloniki, Thermi, Greece; University School of Advanced Studies IUSS, Pavia, Italy
| | - Aristides Tsatsakis
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Laboratory of Toxicology, Medical School, University of Crete, Voutes, Heraklion, Crete, Greece
| | - Michael Aschner
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
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Comparison of the Fractional Exhaled Nitric Oxide Levels in Adolescents at Three Schools Located Three Different Distances from a Large Steel Mill. Can Respir J 2017; 2017:6231309. [PMID: 28265181 PMCID: PMC5317111 DOI: 10.1155/2017/6231309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Revised: 12/04/2016] [Accepted: 12/27/2016] [Indexed: 11/17/2022] Open
Abstract
Objectives. Exposure to ambient metals and air pollutants in urban environments has been associated with impaired lung health and inflammation in the lungs. Fractional exhaled nitric oxide (FeNO) is a reliable marker of airway inflammation. In this study, we aimed to compare the FeNO levels of three schools that have different distances from iron and steel industry zone for assessing the effects of heavy metals and air pollution on their respiratory health. Methods. Pulmonary function test and FeNO measurements were evaluated in 387 adolescents in three schools which have different distance from plant. Results. FeNO levels were significantly higher in School I (n = 142; 18.89 ± 12.3 ppb) and School II (n = 131; 17.68 ± 7.7 ppb) than School III (n = 114; 4.28 ± 3.9 ppb). Increased FeNO concentration was related to the distance of iron and steel industry zone in young adults. Conclusion. The FeNO concentrations in school children were inversely proportional to the distance from the steel mill. There are needed some studies that can evaluate the safe distance and legislation must consider these findings.
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Park S, Choi NK. Associations of blood heavy metal levels with intraocular pressure. Ann Epidemiol 2016; 26:546-550.e1. [PMID: 27497680 DOI: 10.1016/j.annepidem.2016.07.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 07/02/2016] [Accepted: 07/04/2016] [Indexed: 11/16/2022]
Abstract
PURPOSE Whether or which blood heavy metal levels (BHMLs) influence elevating intraocular pressure (IOP) are unknown. We examined the relationship among blood lead, mercury, and cadmium levels, blood pressure (BP), and IOP and assessed whether BP mediates these BHMLs-IOP associations. METHODS We analyzed data on 8371 adult (≥20 years) from the Korea National Health and Nutrition Examination Survey from 2008 to 2012. Mediation analysis was used to examine the contribution of BP to the BHMLs-IOP relationship. RESULTS IOP and three BHMLs were significantly associated with systolic and diastolic BP. But IOP was associated with only blood lead and mercury levels. BP significantly mediated lead-IOP and mercury-IOP associations: BP accounted for 20.5% and 14.2% of the association with IOP. Blood lead and mercury levels were significantly associated with IOP. CONCLUSIONS BP significantly mediates the effects of those blood lead and mercury levels on IOP outcome. Prospective studies are needed to further examine the causal pathway from BHMLs to IOP elevation.
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Affiliation(s)
- Sangshin Park
- Center for International Health Research, Rhode Island Hospital, The Warren Alpert Medical School of Brown University, Providence, RI; Department of Pediatrics, The Warren Alpert Medical School of Brown University, Providence, RI
| | - Nam-Kyong Choi
- Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea; Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA.
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