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Feiler MO, Kulick ER, Sinclair K, Spiegel N, Habel S, Castello OG. Toxic metals and pediatric clinical immune dysfunction: A systematic review of the epidemiological evidence. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172303. [PMID: 38599398 DOI: 10.1016/j.scitotenv.2024.172303] [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: 01/23/2024] [Revised: 04/05/2024] [Accepted: 04/05/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND Children are at high risk for exposure to toxic metals and are vulnerable to their effects. Significant research has been conducted evaluating the role of these metals on immune dysfunction, characterized by biologic and clinical outcomes. However, there are inconsistencies in these studies. The objective of the present review is to critically evaluate the existing literature on the association between toxic metals (lead, mercury, arsenic, and cadmium) and pediatric immune dysfunction. METHODS Seven databases (PubMed (NLM), Embase (Elsevier), CINAHL (Ebsco), Web of Science (Clarivate Analytics), ProQuest Public Health Database, and ProQuest Environmental Science Collection) were searched following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines in February 2024. Rayaan software identified duplicates and screened by title and abstract in a blinded and independent review process. The remaining full texts were reviewed for content and summarized. Exclusions during the title, abstract, and full-text reviews included: 1) not original research, 2) not epidemiology, 3) did not include toxic metals, 4) did not examine an immune health outcome, or 5) not pediatric (>18 years). This systematic review protocol followed the PRISMA guidelines. Rayaan was used to screen records using title and abstract by two blinded and independent reviewers. This process was repeated for full-text article screening selection. RESULTS The search criteria produced 7906 search results; 2456 duplicate articles were removed across search engines. In the final review, 79 studies were included which evaluated the association between toxic metals and outcomes indicative of pediatric immune dysregulation. CONCLUSIONS The existing literature suggests an association between toxic metals and pediatric immune dysregulation. Given the imminent threat of infectious diseases demonstrated by the recent COVID-19 epidemic in addition to increases in allergic disease, understanding how ubiquitous exposure to these metals in early life can impact immune response, infection risk, and vaccine response is imperative.
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Affiliation(s)
- Marina Oktapodas Feiler
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, United States of America; Department of Epidemiology and Biostatistics, College of Public Health, Temple University, United States of America.
| | - Erin R Kulick
- Department of Epidemiology and Biostatistics, College of Public Health, Temple University, United States of America
| | - Krystin Sinclair
- Department of Epidemiology and Biostatistics, College of Public Health, Temple University, United States of America
| | - Nitzana Spiegel
- Department of Epidemiology and Biostatistics, College of Public Health, Temple University, United States of America
| | - Sonia Habel
- Department of Epidemiology and Biostatistics, College of Public Health, Temple University, United States of America
| | - Olivia Given Castello
- Charles Library, Temple University Libraries, Temple University, United States of America
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2
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Li X, He A, Cao Y, Yun J, Bao H, Yan X, Zhang X, Dong J, Kelly FJ, Mudway I. Exposure risks of lead and other metals to humans: A consideration of specific size fraction and methodology. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133549. [PMID: 38447362 DOI: 10.1016/j.jhazmat.2024.133549] [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: 10/07/2023] [Revised: 01/10/2024] [Accepted: 01/16/2024] [Indexed: 03/08/2024]
Abstract
Particle size is a critical influencing factor in assessing human exposure risk as fine particles are generally more hazardous than larger coarse particles. However, how particle composition influences human health risk is only poorly understood as different studies have different utilised different definitions and as a consequence there is no consensus. Here, with a new methodology taking insights of each size fraction load (%GSFload), metal bioaccessibility, we classify which specific particle size can reliably estimate the human exposure risk of lead and other metals. We then validate these by correlating the metals in each size fraction with those in human blood, hair, crop grain and different anthropogenic sources. Although increasing health risks are linked to metal concentration these increase as particle size decrease, the adjusted-risk for each size fraction differs when %GSFload is introduced to the risk assessment program. When using a single size fraction (250-50 µm, 50-5 µm, 5-1 µm, and < 1 µm) for comparison, the risk may be either over- or under-estimated. However, by considering bulk and adjusting the risk, it would be possible to obtain results that are closer to the real scenarios, which have been validated through human responses and evidence from crops. Fine particle size fractions (< 5 µm) bearing the mineral crystalline or aggregates (CaCO3, Fe3O4, Fe2O3, CaHPO4, Pb5(PO4)3Cl) alter the accumulation, chemical speciation, and fate of metals in soil/dust/sediment from the different sources. Loaded lead in the size fraction of < 50 µm has a significantly higher positive association with the risk-receptor biomarkers (BLLs, Hair Pb, Corn Pb, and Crop Pb) than other size fractions (bulk and 50-250 µm). Thus, we conclude that the < 50 µm fraction would be likely to be recommended as a reliable fraction to include in a risk assessment program. This methodology acts as a valuable instrument for future research undertakings, highlighting the importance of choosing suitable size fractions and attaining improved accuracy in risk assessment results that can be effectively compared.
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Affiliation(s)
- Xiaoping Li
- Department of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China; International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China; MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, 80 Wood Lane, London W12 0BZ, UK.
| | - Ana He
- Department of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China; International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China
| | - Yuhan Cao
- Department of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China; International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China
| | - Jiang Yun
- Department of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China; International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China
| | - Hongxiang Bao
- Frontier Medical Service Training Brigade, Army Medical University, Hutubi 831200, PR China
| | - Xiangyang Yan
- International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China; School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China
| | - Xu Zhang
- Department of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China; International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China
| | - Jie Dong
- Department of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi'an, Shaanxi 710062, PR China; International Joint Research Centre of Shaanxi Province for Pollutant Exposure and Eco-environmental Health, Xi'an, Shaanxi 710062, PR China
| | - Frank J Kelly
- MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, 80 Wood Lane, London W12 0BZ, UK; NIHR Health Protection Research Units in Environmental Exposures and Health, and Chemical and Radiation Threats and Hazards, Imperial College London, London, UK
| | - Ian Mudway
- MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, 80 Wood Lane, London W12 0BZ, UK; NIHR Health Protection Research Units in Environmental Exposures and Health, and Chemical and Radiation Threats and Hazards, Imperial College London, London, UK
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3
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Zeng HX, Man YB, Wong MH, Cheng Z. Hair Heavy Metals and Food Consumption in Residents of Chengdu: Factors, Food Contribution, and Health Risk Assessment. Biol Trace Elem Res 2024; 202:1503-1516. [PMID: 37491614 DOI: 10.1007/s12011-023-03785-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/17/2023] [Indexed: 07/27/2023]
Abstract
Heavy metal pollution is one of the most pressing issues threatening food security and human health. This study assesses heavy metal (chromium, cadmium, copper, zinc, nickel, and lead) exposure via hair metal concentrations in Chengdu residents, reflecting metal intake from food consumption. From June 2020 to February 2021, a sampling survey was conducted on residents' hair (n=182) and food (n=301) in six main urban areas of Chengdu. The concentrations of heavy metals in hair and food were analyzed by inductively coupled plasma mass spectrometry, and the results showed that the residents of Chengdu City had high hair concentrations of Cd (0.17±0.03 mg kg-1) and Zn (293±21.3 mg kg-1). Gender significantly affected the hair Cr, Zn, and Ni concentrations. Based on the survey results obtained from Chengdu City residents, the habits and diet structure are assessed for the influence of six heavy metals in the hair of the residents. Adolescents' (13-18 years old) hair had significantly higher Pb concentrations than adults (19-59 years old). The concentration of Ni in hair was affected by perming and dyeing habits. For dietary exposure, cereals and meat were the main contributors to the residents' daily intake of heavy metals. The bioaccessibility of Cr, Cd, Cu, Zn, Ni, and Pb in food was 2.45-74.67%, 10.6-78.7%, 13.4-82.5%, 8.89-89.2%, 7.70-85.1%, and 15.4-86.2%, respectively. In health risk evaluation based on the bioaccessible fraction of six heavy metals, the hazard quotient of each heavy metal in food was less than 1, indicating no potential non-carcinogenic risk.
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Affiliation(s)
- Hong-Xin Zeng
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Yu Bon Man
- Consortium on Health, Environment, Education, and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Ming Hung Wong
- Consortium on Health, Environment, Education, and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Zhang Cheng
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China.
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Chen Q, Hong J, Lai G, Yang X, Chen G, Xu N, Li X, Hu K, Chen T, Song Y, Wan Y. What are exposure biomarkers of rare earth elements for the ionic rare earth occupational population? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 345:123499. [PMID: 38350535 DOI: 10.1016/j.envpol.2024.123499] [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: 11/10/2023] [Revised: 01/23/2024] [Accepted: 02/03/2024] [Indexed: 02/15/2024]
Abstract
Rare earth elements (REEs) are widely utilized in industries. However, The specific exposure features of REEs and potential biomarkers of exposure in occupational populations remain unclear. In this study, we evaluated the external and internal REEs exposure levels among the participants working in the ionic rare earth smelting plant. For the external exposure, the concentrations of 14 REEs and total rare earth elements (ΣREEs) in airborne particles were significantly elevated in the REEs-exposed versus non-exposed group (P < 0.05). Meanwhile, the levels of Yttrium (Y), Gadolinium (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Thulium (Tm), Ytterbium (Yb), and ΣREEs in urine were higher in the REEs-exposed group compared to the non-exposed group (P < 0.05). Notably, a significant positive correlation was observed between Y in both the airborne particles and urine samples as well as Gd, and the Spearman correlation coefficient was 0.53 and 0.39 respectively, both P < 0.05. Conversely, no statistically significant differences were found in the levels of 15 REEs or ΣREEs in the blood samples between the REEs-exposed group and non-exposed group. Moreover, the concentrations of ΣREEs and 9 REEs in nail samples of the exposed group were significantly higher than those of the non-exposed group (P < 0.05), and the composition ratios of REEs in the nail samples closely resembled those found in individual airborne particles. Therefore, nail and urine samples were proposed to reflect long-term and short-term exposure to ionic rare earth respectively. Exposure biomarkers confirmed by external and internal exposure characteristics accurately provide the situation of human exposure to REEs environment, and have profound significance for monitoring and evaluating the level of REEs pollution in human body. It also provides a vital basis to find out the effect biomarkers, susceptible biomarkers and the health effects of rare earth environment for the future research.
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Affiliation(s)
- Qingfeng Chen
- School of Resource and Environment, Nanchang University, Nanchang, 330031, China; School of Public Health and Management, Nanchang Medical College, Nanchang, 330004, China; Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341000, China.
| | - Jun Hong
- School of Public Health and Management, Nanchang Medical College, Nanchang, 330004, China
| | - Guowen Lai
- School of Public Health and Management, Nanchang Medical College, Nanchang, 330004, China
| | - Xiaobo Yang
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Shuangyong Road 22, Nanning, 530021, China
| | - Guoliang Chen
- Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341000, China; China Rare Earth Group Co., Ltd, Zhangjiang Road 16, Ganzhou, 341001, China; Jiangxi University of Science and Technology, Kejia Road 1958, Ganzhou, 341000, China
| | - Na Xu
- Jiangxi Center of Quality Inspection for Tungsten and Rare Earth Products, Huajian South Road 68, Ganzhou, 341000, China
| | - Xuewei Li
- Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341000, China
| | - Kaibo Hu
- School of Resource and Environment, Nanchang University, Nanchang, 330031, China; Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341000, China
| | - Tianci Chen
- Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341000, China
| | - Yang Song
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100083, China
| | - Yinhua Wan
- School of Resource and Environment, Nanchang University, Nanchang, 330031, China; Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou, 341000, China.
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Alkufi AA, Oleiwi MH, Abojassim AA. Comparison of Heavy Metals in Urine Samples of Smoker and Non-smoker Persons. Biol Trace Elem Res 2024:10.1007/s12011-024-04097-5. [PMID: 38386229 DOI: 10.1007/s12011-024-04097-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
In this study, the concentrations of heavy metals such as cadmium (Cd), chromium (Cr), and lead (Pb) in the two groups of cigarette smokers and non-smokers in five age range groups were measured. Heavy metal concentrations were collected in participants' urine samples and analyzed using atomic absorption spectrophotometry (AAS). The results showed that the concentrations of these metals in the urine of smokers were higher than in non-smoker subjects. The mean concentration of Cd, Cr, and Pb for smokers were 1.188 ± 0.931, 1.929 ± 0.940, and 0.069 ± 0.023, respectively, while the mean concentration of Cd, Cr, and Pb for non-smokers were 0.151 ± 0.165, 0.203 ± 0.218, and 0.037 ± 0.030, respectively. The results revealed statistically significant differences when comparing the samples of smokers to the control group in all heavy metals in the present study. Also, the results revealed statistically significant differences in Cd, Cr, and Pb when comparing the samples of smokers to age groups. The trend of metals in urine samples in two groups (smokers and non-smokers) is as follows: Cd > Cr > Pb. The concentration of Cd, Cr, and Pb in all samples of the present study was higher than the biological limit, according to ACGIH. Therefore, Cd, Cr, and Pb were the most critical metals accumulated in the urine of cigarette smokers.
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Affiliation(s)
- Abdulhussein A Alkufi
- Department of Physics, College of Education for Pure Sciences, University of Babylon, Babylon, Iraq
- Education Directorate of Najaf, Ministry of Education, Al-Najaf, Iraq
| | - Mohanad H Oleiwi
- Department of Physics, College of Education for Pure Sciences, University of Babylon, Babylon, Iraq
| | - Ali Abid Abojassim
- Department of Physics, Faculty of Science, University of Kufa, Al-Najaf, Iraq.
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6
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Kang YR, Sung MK, Baik HW, Choi MK. Association of serum and hair antioxidant minerals with an oxidative stress marker in relation with characteristics of healthy adults: a cross-sectional study. Sci Rep 2024; 14:3221. [PMID: 38332317 PMCID: PMC10853569 DOI: 10.1038/s41598-024-53725-6] [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: 10/18/2023] [Accepted: 02/04/2024] [Indexed: 02/10/2024] Open
Abstract
Excess oxidative stress generated in the body causes various types of cellular damage, including DNA damage. Certain trace minerals act as antioxidants by functioning as cofactors for antioxidant enzymes. This study was conducted to evaluate the serum and hair concentrations of major antioxidant trace minerals (zinc, manganese, selenium, and chromium) and to determine the association between the oxidative stress marker urinary 8-hydroxy-2'-deoxyguanosine (8-OHdG) and serum or hair antioxidant trace mineral concentrations, according to the general characteristics of healthy adults. Study participants were selected after screening, and 108 participants aged 19-69 years were finally included. Serum and hair trace mineral concentrations were analyzed using inductively coupled plasma mass spectrometry, and urine 8-OHdG levels were quantified using an ELISA kit. Results showed that urinary 8-OHdG levels were significantly higher in exercisers than in those who did not exercise. Correlation analysis revealed that urinary 8-OHdG was negatively correlated with hair zinc in participants over 60 years of age and with poor health status, and positively correlated with hair chromium in participants with irregular dietary habits. In conclusion, these results suggest that urinary 8-OHdG is particularly correlated with hair zinc and chromium levels. Additional large-scale epidemiological studies are needed to generally confirm these findings.
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Affiliation(s)
- Yoo-Ree Kang
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, 04310, Republic of Korea
| | - Mi-Kyung Sung
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, 04310, Republic of Korea
| | - Hyun-Wook Baik
- Department of Health Promotion and Internal Medicine, National Center for Mental Health, Seoul, 04933, Republic of Korea.
| | - Mi-Kyeong Choi
- Department of Food and Nutrition, Kongju National University, 54 Daehak-ro, Yesan, 32439, Republic of Korea.
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Gasparyan L, Duc J, Claustre L, Bosson-Rieutort D, Bouchard M, Bouchard MF, Owens-Beek N, West Moberly First Nations Chief And Council, Caron-Beaudoin É, Verner MA. Density and proximity of oil and gas wells and concentrations of trace elements in urine, hair, nails and tap water samples from pregnant individuals living in Northeastern British Columbia. ENVIRONMENT INTERNATIONAL 2024; 184:108398. [PMID: 38237504 DOI: 10.1016/j.envint.2023.108398] [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: 09/14/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 02/23/2024]
Abstract
BACKGROUND Oil and gas exploitation can release several contaminants in the environment, including trace elements, with potentially deleterious effects on exposed pregnant individuals and their developing fetus. Currently, there is limited data on pregnant individuals' exposure to contaminants associated with oil and gas activity. OBJECTIVES We aimed to 1)measure concentrations of trace elements in biological and tap water samples collected from pregnant individuals participating in the EXPERIVA study; 2)compare with reference populations and health-based guidance values; 3)assess correlations across matrices; and 4)evaluate associations with the density/proximity of oil and gas wells. METHODS We collected tap water, hair, nails, and repeated urine samples from 85pregnant individuals, and measured concentrations of 21trace elements. We calculated oil and gas well density/proximity (Inverse Distance Weighting [IDW]) for 4buffer sizes (2.5 km, 5 km, 10 km, no buffer). We performed Spearman's rank correlation analyses to assess the correlations across elements and matrices. We used multiple linear regression models to evaluate the associations between IDWs and concentrations. RESULTS Some study participants had urinary trace element concentrations exceeding the 95th percentile of reference values; 75% of participants for V, 29% for Co, 22% for Ba, and 20% for Mn. For a given trace element, correlation coefficients ranged from -0.23 to 0.65 across matrices; correlations with tap water concentrations were strongest for hair, followed by nails, and urine. Positive (e.g., Cu, Cr, Sr, U, Ga, Ba, Al, Cd) and negative (e.g., Fe) associations were observed between IDW metrics and the concentrations of certain trace elements in water, hair, and nails. SIGNIFICANCE Our results suggest that pregnant individuals living in an area of oil and gas activity may be more exposed to certain trace elements (e.g., Mn, Sr, Co, Ba) than the general population. Association with density/proximity of wells remains unclear.
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Affiliation(s)
- Lilit Gasparyan
- Department of Occupational and Environmental Health, School of Public Health, Université de Montréal, Montreal, QC, Canada; Centre de recherche en santé publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, QC, Canada
| | - Juliette Duc
- Centre de recherche en santé publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, QC, Canada; Department of Health Policy, Management and Evaluation, School of Public Health, Université de Montréal, Montreal, QC, Canada
| | - Lucie Claustre
- Department of Occupational and Environmental Health, School of Public Health, Université de Montréal, Montreal, QC, Canada; Centre de recherche en santé publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, QC, Canada
| | - Delphine Bosson-Rieutort
- Centre de recherche en santé publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, QC, Canada; Department of Health Policy, Management and Evaluation, School of Public Health, Université de Montréal, Montreal, QC, Canada
| | - Michèle Bouchard
- Department of Occupational and Environmental Health, School of Public Health, Université de Montréal, Montreal, QC, Canada; Centre de recherche en santé publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, QC, Canada
| | - Maryse F Bouchard
- Department of Occupational and Environmental Health, School of Public Health, Université de Montréal, Montreal, QC, Canada; Institut national de la recherche scientifique, Laval, QC, Canada; Sainte-Justine Hospital Research Center, Montreal, QC, Canada
| | | | | | - Élyse Caron-Beaudoin
- Department of Health and Society, Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, ON, Canada; Center for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Marc-André Verner
- Department of Occupational and Environmental Health, School of Public Health, Université de Montréal, Montreal, QC, Canada; Centre de recherche en santé publique, Université de Montréal et CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montreal, QC, Canada.
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8
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Wróblewski K, Wojnicka J, Tutka P, Szmagara A, Błażewicz A. Measurements of cadmium levels in relation to tobacco dependence and as a function of cytisine administration. Sci Rep 2024; 14:1883. [PMID: 38253706 PMCID: PMC10803351 DOI: 10.1038/s41598-024-52234-w] [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: 09/30/2023] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
Cigarette smoking delivers a number of heavy metals, including cadmium (Cd), into the body. Bioaccumulation may result in an increase in pathological consequences over time. The assessment of changes in serum Cd concentrations during the treatment of cigarette dependence with cytisine was performed for the first time. Parameters assessing smoking habits, strength of addiction, and effectiveness of therapy were analyzed. Cd was determined before, during, and after the end of treatment. The serum Cd levels were significantly higher in the smokers than in the nonsmokers. Significant differences in Cd concentrations between sampling times in smokers were observed. Individuals who stopped smoking had significantly lower Cd concentrations compared to baseline. A significant positive correlation between the serum Cd before treatment and smoking urges was also obtained. Additionally, salivary Cd determinations were performed before treatment to evaluate the use of this method to assess cigarette addiction. Our findings indicate that Cd can be used as a biomarker of smoking addiction, and provide an alternative assessment of tobacco smoke exposure to other methods. The results provide new knowledge related to Cd concentrations in human body fluids and may play a role in monitoring and assessing the efficacy of cytisine for smoking cessation.
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Affiliation(s)
- Karol Wróblewski
- Laboratory of Commercial and Non-Commercial Clinical Trials, University of Rzeszów, Kopisto 2a, 35-959, Rzeszow, Poland
- Laboratory for Innovative Research in Pharmacology, University of Rzeszów, Kopisto 2a, 35-959, Rzeszow, Poland
| | - Julia Wojnicka
- Department of Pathobiochemistry and Interdisciplinary Applications of Ion Chromatography, Chair of Biomedical Sciences, Medical University of Lublin, 1 Chodźki Street, 20-093, Lublin, Poland
| | - Piotr Tutka
- Laboratory for Innovative Research in Pharmacology, University of Rzeszów, Kopisto 2a, 35-959, Rzeszow, Poland
- Department of Experimental and Clinical Pharmacology, University of Rzeszów, Kopisto 2a, 35-959, Rzeszow, Poland
- National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, 2031, Australia
| | - Agnieszka Szmagara
- Faculty of Medicine, Institute of Biological Sciences, Department of Chemistry, The John Paul II Catholic University of Lublin, Konstantynow 1J, 20-708, Lublin, Poland
| | - Anna Błażewicz
- Department of Pathobiochemistry and Interdisciplinary Applications of Ion Chromatography, Chair of Biomedical Sciences, Medical University of Lublin, 1 Chodźki Street, 20-093, Lublin, Poland.
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9
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Domagalska J, Ćwieląg-Drabek M, Dziubanek G, Ulatowska N, Bortlik S, Piekut A. Teeth as an Indicator of the Environmental Exposure of Silesia Province's Inhabitants in Poland to Metallic Trace Elements. TOXICS 2024; 12:90. [PMID: 38276725 PMCID: PMC10818862 DOI: 10.3390/toxics12010090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024]
Abstract
(1) Background: The elemental composition of teeth can provide an estimate of environmental exposure to heavy metals. The aim of this study was to analyze the possibility of using teeth in the biomonitoring of environmental exposure to heavy metals as an indicator of contaminants present in the human residential environment. (2) Methods: The research materials were 110 samples of extracted teeth. The samples were taken from people living in three areas in the province of Silesia. The concentrations of cadmium, lead, and mercury in the samples were determined. (3) Results: The results of the chemical analysis of the collected samples showed a significant variation in the concentrations of heavy metals (Cd, Pb, and Hg) in the analyzed teeth. Furthermore, the mean concentrations of the analyzed heavy metals in the teeth varied according to the patient's place of residence, the type of tooth analyzed, the presence of caries in the patient, and the smoking or non-smoking status of the patient. (4) Conclusions: The results of the chemical analysis of the teeth of inhabitants of three cities in the most polluted region of Poland indicate that they can be used as an indicator of environmental exposure to cadmium, lead, and mercury.
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Affiliation(s)
- Joanna Domagalska
- Department of Environmental Health, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 18 Piekarska Street, 41-902 Bytom, Poland; (M.Ć.-D.); (G.D.); (A.P.)
| | - Małgorzata Ćwieląg-Drabek
- Department of Environmental Health, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 18 Piekarska Street, 41-902 Bytom, Poland; (M.Ć.-D.); (G.D.); (A.P.)
| | - Grzegorz Dziubanek
- Department of Environmental Health, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 18 Piekarska Street, 41-902 Bytom, Poland; (M.Ć.-D.); (G.D.); (A.P.)
| | - Natalia Ulatowska
- Graduates of the Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 18 Piekarska Street, 41-902 Bytom, Poland; (N.U.); (S.B.)
| | - Sylwia Bortlik
- Graduates of the Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 18 Piekarska Street, 41-902 Bytom, Poland; (N.U.); (S.B.)
| | - Agata Piekut
- Department of Environmental Health, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 18 Piekarska Street, 41-902 Bytom, Poland; (M.Ć.-D.); (G.D.); (A.P.)
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10
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Liu H, Wang H, Zhou J, Zhang Y, Wang H, Li M, Wang X. Environmental cadmium pollution and health risk assessment in rice-wheat rotation area around a smelter. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:433-444. [PMID: 38012484 DOI: 10.1007/s11356-023-31215-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 11/20/2023] [Indexed: 11/29/2023]
Abstract
Cadmium (Cd) pollution induced by smelting process is of great concern worldwide. However, the comprehensive risk assessment of Cd exposures in smelting areas with farming coexist is lacking. In this study, atmospheric deposition, soil, surface and drinking water, rice, wheat, vegetable, fish, pork, and human hair samples were collected in rice-wheat rotation area near nonferrous smelter to investigate smelting effect on environmental Cd pollution and human health. Results showed high Cd deposition (0.88-2.61 mg m-2 year-1) combined with high bioavailability (37-42% totality) in study area. Moreover, 90%, 83%, 57%, and 3% of sampled soil, wheat, rice, and vegetable of Cd were higher than national allowable limits of China, respectively, indicating smelting induced serious environmental Cd pollution. Especially, higher Cd accumulation occurred in wheat compared to rice by factors of 1.5-2.0. However, as for Cd exposure to local residents, due to rice as staple food, rice intake ranked as main route and accounted for 49-53% of total intake, followed by wheat and vegetable. Cd exposure showed high potential noncarcinogenic risks with hazard quotient (HQ) of 0.63-4.99 using Monte Carlo probabilistic simulation, mainly from crop food consumption (mean 94% totality). Further, residents' hair Cd was significant correlated with HQ of wheat and rice ingestion, highlighting negative impact of cereal pollution to resident health. Therefore, smelting process should not coexist with cereal cultivating.
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Affiliation(s)
- Hailong Liu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225000, People's Republic of China
- College of Geography and Environment, Shandong Normal University, Jinan, 250014, People's Republic of China
| | - Hu Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225000, People's Republic of China
| | - Jun Zhou
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, People's Republic of China
| | - Ying Zhang
- College of Geography and Environment, Shandong Normal University, Jinan, 250014, People's Republic of China
| | - Haotian Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225000, People's Republic of China
| | - Min Li
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225000, People's Republic of China.
| | - Xiaozhi Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225000, People's Republic of China
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11
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George MF, Paff S, Rojo J, Powell M, Benz C, Pope K, Kerlikowske K, Shepard J, Willis M, Ereman R, Prebil L. Assessment of salivary cadmium levels and breast density in the Marin Women's Study. Cancer Med 2024; 13:e6973. [PMID: 38379324 PMCID: PMC10831917 DOI: 10.1002/cam4.6973] [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: 09/08/2023] [Revised: 12/21/2023] [Accepted: 01/06/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND We aimed to determine if salivary cadmium (Cd) levels had any association with breast density, hoping to establish a less invasive cost-effective method of stratifying Cd burden as an environmental breast cancer risk factor. METHODS Salivary Cd levels were quantified from the Marin Women's Study, a Marin County, California population composite. Volumetric compositional breast density (BDsxa ) data were measured by single x-ray absorptiometry techniques. Digital screening mammography was performed by the San Francisco Mammography Registry. Radiologists reviewed mammograms and assigned a Breast Imaging-Reporting and Data System score. Early morning salivary Cd samples were assayed. Association analyses were then performed. RESULTS Cd was quantifiable in over 90% of saliva samples (mean = 55.7 pg/L, SD = 29). Women with higher saliva Cd levels had a non-significant odds ratio of 1.34 with BI-RAD scores (3 or 4) (95% CI 0.75-2.39, p = 0.329). Cd levels were higher in current smokers (mean = 61.4 pg/L, SD = 34.8) than former smokers or non-smokers. These results were non-significant. Pilot data revealed that higher age and higher BMI were associated with higher BI-RAD scores (p < 0.001). CONCLUSION Salivary Cd is a viable quantification source in large epidemiologic studies. Association analyses between Cd levels and breast density may provide additional information for breast cancer risk assessment, risk reduction plans, and future research directions. Further work is needed to demonstrate a more robust testing protocol before the extent of its usefulness can be established.
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Affiliation(s)
- Michaela F. George
- Global Public Health Department, School of Health and Natural SciencesDominican University of CaliforniaSan RafaelCaliforniaUSA
| | - Shayne Paff
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - Jenyse Rojo
- Global Public Health Department, School of Health and Natural SciencesDominican University of CaliforniaSan RafaelCaliforniaUSA
| | - Mark Powell
- Zero Breast CancerBuck Institute for Research on AgingSan RafaelCaliforniaUSA
| | - Christopher Benz
- Cancer & Developmental TherapeuticsBuck Institute for Research on AgingSan RafaelCaliforniaUSA
- Department of Medicine, Epidemiology and BiostatisticsUniversity of CaliforniaSan FranciscoCaliforniaUSA
- Leonard Davis School of GerontologyUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Karl Pope
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - Karla Kerlikowske
- Department of Medicine, Epidemiology and BiostatisticsUniversity of CaliforniaSan FranciscoCaliforniaUSA
| | - John Shepard
- Population Sciences in the Pacific Program, Cancer EpidemiologyUniversity of Hawaii Cancer CenterHonoluluHawaiiUSA
| | - Matthew Willis
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - Rochelle Ereman
- Global Public Health Department, School of Health and Natural SciencesDominican University of CaliforniaSan RafaelCaliforniaUSA
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - LeeAnn Prebil
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
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12
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Cortes JB, Sarazin P, Dieme D, Côté J, Ouellet C, El Majidi N, Bouchard M. Biomonitoring of exposure to multiple metal components in urine, hair and nails of apprentice welders performing shielded metal arc welding (SMAW). ENVIRONMENTAL RESEARCH 2023; 239:117361. [PMID: 37844685 DOI: 10.1016/j.envres.2023.117361] [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: 07/18/2023] [Revised: 10/05/2023] [Accepted: 10/08/2023] [Indexed: 10/18/2023]
Abstract
Welding fumes are associated with various diseases. Increased air levels of metals were reported during welding. However, few multielement biomonitoring studies were conducted to assess the actual dose of metal components absorbed in apprentice welders in a learning environment. This research aimed to establish the nature and level of exposure to welding fumes and their metallic components in apprentice welders performing 'Shielded Metal Arc Welding' (SMAW), based on multi-element and multi-matrix analyses. A total of 86 apprentice welders were recruited in three different schools in Montreal, Québec, Canada. Twenty-one elements were measured in urine, hair, fingernail, and toenail samples collected at the beginning of the program and at the end of SMAW practical training. Concentrations of welding fumes and 12 metals were also determined in personal respirable air samples collected over a typical workday in a subgroup of 19 apprentices. Levels of manganese (Mn), iron (Fe) and nickel (Ni) in urine and Mn in hair were higher in samples taken at the end of the SMAW module compared to the beginning of training, while there was no significant difference for the other elements or for nail concentrations. Geometric mean concentrations [5th-95th percentiles] reached 0.31 [0.032-2.84], 9.4 [3.1-51] and 0.87 [0.35-3.1] μg/g creat. in post-shift urine, respectively, for Mn, Fe and Ni, and 0.37 [0.46-6.4] μg Mn/g hair at the end of SWAW. Median concentrations [5th-95th percentiles] were 29 [4.6-1200], 120 [27-3100] and 0.31 [
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Affiliation(s)
- Jairo Buitrago Cortes
- Department of Environmental and Occupational Health, Chair in Toxicological Risk Assessment and Management, and Public Health Research Center (CReSP), University of Montreal, Roger-Gaudry Building, U436, P.O. Box 6128, Main Station, Montreal, Quebec, H3C 3J7, Canada
| | - Philippe Sarazin
- Chemical and Biological Hazards Prevention, Institut de recherche Robert-Sauvé en santé et en sécurité du travail, 505 Boulevard de Maisonneuve O, Montréal, Québec, H3A 3C2, Canada
| | - Denis Dieme
- Department of Environmental and Occupational Health, Chair in Toxicological Risk Assessment and Management, and Public Health Research Center (CReSP), University of Montreal, Roger-Gaudry Building, U436, P.O. Box 6128, Main Station, Montreal, Quebec, H3C 3J7, Canada
| | - Jonathan Côté
- Department of Environmental and Occupational Health, Chair in Toxicological Risk Assessment and Management, and Public Health Research Center (CReSP), University of Montreal, Roger-Gaudry Building, U436, P.O. Box 6128, Main Station, Montreal, Quebec, H3C 3J7, Canada
| | - Capucine Ouellet
- Chemical and Biological Hazards Prevention, Institut de recherche Robert-Sauvé en santé et en sécurité du travail, 505 Boulevard de Maisonneuve O, Montréal, Québec, H3A 3C2, Canada
| | - Naïma El Majidi
- Department of Environmental and Occupational Health, Chair in Toxicological Risk Assessment and Management, and Public Health Research Center (CReSP), University of Montreal, Roger-Gaudry Building, U436, P.O. Box 6128, Main Station, Montreal, Quebec, H3C 3J7, Canada
| | - Michèle Bouchard
- Department of Environmental and Occupational Health, Chair in Toxicological Risk Assessment and Management, and Public Health Research Center (CReSP), University of Montreal, Roger-Gaudry Building, U436, P.O. Box 6128, Main Station, Montreal, Quebec, H3C 3J7, Canada.
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13
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Gatzke-Kopp LM, Riis JL, Ahmadi H, Piccerillo HL, Granger DA, Blair CB, Thomas EA. Environmental tobacco smoke exposure is associated with increased levels of metals in children's saliva. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2023; 33:903-910. [PMID: 37147431 PMCID: PMC10733142 DOI: 10.1038/s41370-023-00554-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/07/2023]
Abstract
BACKGROUND Exposure to environmental tobacco smoke (ETS) has been associated with detectable levels of cotinine (a nicotine metabolite) in children's saliva. However, tobacco smoke also contains toxic and essential trace metals, including chromium (Cr), copper (Cu), lead (Pb), manganese (Mn), nickel (Ni) and zinc (Zn). OBJECTIVE The current study examines whether there is a relationship between ETS exposure, as gauged by salivary cotinine, and salivary levels of these metals in a subset (n = 238) of children from the Family Life Project. METHODS Using inductively-coupled-plasma optical emission spectrophotometry, we measured levels of metals in saliva from children at ~90 months of age. Salivary cotinine was measured using a commercial immunoassay. RESULTS We found that Cr, Cu, Mn, and Zn were detected in most samples (85-99%) with lower levels of detection for Pb and Ni (9.3% and 13.9% respectively). There were no significant differences in any of the metal concentrations between males and females, nor were levels associated with body mass index, although significant differences in salivary Cr and Mn by race, state and income-to-needs ratio were observed. Children with cotinine levels >1 ng/ml had higher levels of Zn (b = 0.401, 95% CI: 0.183 to 0.619; p = 0.0003) and Cu (b = 0.655, 95% CI: 0.206 to 1.104; p = 0.004) compared to children with levels <1 ng/ml, after controlling for multiple confounders, including sex, race, BMI and income-to-needs ratio. Further, we show that children whose cotinine levels were >1 μg/L were more likely to have detectable levels of Pb in their saliva (b = 1.40, 95% CI: 0.424 to 2.459; p = 0.006) compared to children with cotinine levels <1 ng/ml, also considering confounders. IMPACT STATEMENT This is the first study to demonstrate significant associations between salivary cotinine and salivary levels of Cu, Zn and Pb, suggesting that environmental tobacco smoke exposure my be one source of increased children's exposure to heavy metals. This study also demonstrates that saliva samples can be used to measure heavy metal exposure, and thus serve as a non-invasive tool for assessing a broader range of risk indicators.
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Affiliation(s)
- Lisa M Gatzke-Kopp
- Department of Human Development and Family Studies, Penn State University, University Park, PA, 16802, USA
| | - Jenna L Riis
- Department of Psychological Sciences, University of California Irvine, Irvine, CA, USA
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
| | - Hedyeh Ahmadi
- Department of Psychological Sciences, University of California Irvine, Irvine, CA, USA
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
- University Statistical Consulting, LLC, Irvine, CA, USA
| | - Hillary L Piccerillo
- Department of Psychological Sciences, University of California Irvine, Irvine, CA, USA
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
| | - Douglas A Granger
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
- Johns Hopkins University, Bloomberg School of Public Health, and School of Medicine, Baltimore, MD, USA
| | - Clancy B Blair
- Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA
| | - Elizabeth A Thomas
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA.
- Department of Epidemiology, University of California Irvine, Irvine, CA, USA.
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14
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Khan K, Rafiq MT, Bacha AUR, Nabi I, Irshad M, Faridullah F, Younas M, Khan MD, Aziz R, Amin M, Arifeen A, Aslam S, Ahmad S, Iqbal A. Assessment of heavy metals and associated oxidative stress in occupationally exposed workers from Bannu and Karak Districts in Pakistan. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:5915-5925. [PMID: 37184720 DOI: 10.1007/s10653-023-01603-x] [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: 02/21/2022] [Accepted: 03/24/2023] [Indexed: 05/16/2023]
Abstract
Heavy metals (HMs) are extensively found in occupationally exposed miners and industrial workers, which may cause serious health-related problems to the large workforce. In order to evaluate the impact of these toxic pollutants, we have investigated the effect of cadmium (Cd), chromium (Cr), copper (Cu), and lead (Pb) concentration on exposed workers of mining, and woolen textile mill and compared the findings with unexposed individuals. From each category like exposed workers (mining, and woolen mill textile site) and unexposed individuals, 50 blood samples were taken. The occurrence of HMs in a sample was investigated through atomic absorption spectrometry while the oxidative stress marker malondialdehyde (MDA) and antioxidant enzyme statuses such as superoxide dismutase (SOD) and catalase (CAT) were analyzed in exposed and control samples. The results showed significant (p < 0.05) variation in Cd, Cr, Cu, and Pb levels in exposed and control samples. The concentration of Cd in the blood of WMWs, KMWs, and control group was 5.75, 3.89, and 0.42 μg/dL, respectively. On the other hand, the concentration of Pb in the blood of WMWs, MWs, and control was 32.34, 24.39, and 0.39 µg/dL while the concentrations of Cr and Cu in the blood of WMWs, MWs, and control group were 11.61 and 104.14 μg/dL, 4.21 and 113.21 μg/dL, 0.32 and 65.53 μg/dL, respectively. An increase in MDA was recorded in the exposed workers' group as compared to control subjects, whereas SOD and CAT activities decreased. Meanwhile, MDA was significantly and positively (p < 0.01) correlated with HMs, while negative significant correlations were found among HMs with SOD and CAT.
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Affiliation(s)
- Kaleem Khan
- Department of Environmental Science, Faculty of Basic and Applied Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Muhammad Tariq Rafiq
- Center for Interdisciplinary Research in Basic Sciences, International Islamic University, Islamabad, 44000, Pakistan.
| | - Aziz-Ur-Rahim Bacha
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan.
- Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, People's Republic of China.
| | - Iqra Nabi
- Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, People's Republic of China
| | - Muhammad Irshad
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Faridullah Faridullah
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Muhammad Younas
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Muhammad Daud Khan
- Department of Biotechnology and Genetic Engineering, Kohat University of Science and Technology, Kohat, 26000, Pakistan
| | - Rukhsanda Aziz
- Department of Environmental Science, Faculty of Basic and Applied Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Muhammad Amin
- Department of Environmental Sciences, Shaheed Benazir Bhutto University Sheringal, Dir, 18000, Pakistan
| | - Awais Arifeen
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Sohaib Aslam
- Department of Environmental Sciences, Forman Christian College (A Chartered University), Ferozepur Road, Lahore, 54600, Pakistan
| | - Shabir Ahmad
- Department of Environmental Science, Faculty of Basic and Applied Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Akhtar Iqbal
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
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15
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Di Bella G, Porretti M, Cafarelli M, Litrenta F, Potortì AG, Turco VL, Albergamo A, Xhilari M, Faggio C. Screening of phthalate and non-phthalate plasticizers and bisphenols in Sicilian women's blood. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 100:104166. [PMID: 37268242 DOI: 10.1016/j.etap.2023.104166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 04/27/2023] [Accepted: 05/30/2023] [Indexed: 06/04/2023]
Abstract
The plastic accumulation and its degradation into microplastics is an environmental issue not only for their ubiquity, but also for the release of intrinsic chemicals, such as phthalates (PAEs), non-phthalate plasticizers (NPPs), and bisphenols (BPs), which may reach body organs and tissues, and act as endocrine disruptors. Monitoring plastic additives in biological matrices, such as blood, may help in deriving relationships between human exposure and health outcomes. In this work, the profile of PAEs, NPPs and BPs was determined in Sicilian women's blood with different ages (20-60 years) and interpreted by chemometrics. PAEs (DiBP and DEPH), NPPs (DEHT and DEHA), BPA and BPS were at higher frequencies and greater levels in women's blood and varied in relation to age. According to statistical analysis, younger females' blood had higher contents of plasticizers than older women, probably due to a more frequent use of higher quantities of plastic products in daily life.
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Affiliation(s)
- Giuseppa Di Bella
- Department of Biomedical, Dental and Morphological and Functional Imaging Sciences of the University of Messina, Messina, Italy.
| | - Miriam Porretti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences of the University of Messina, Messina, Italy.
| | - Mirea Cafarelli
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences of the University of Messina, Messina, Italy.
| | - Federica Litrenta
- Department of Biomedical, Dental and Morphological and Functional Imaging Sciences of the University of Messina, Messina, Italy.
| | - Angela Giorgia Potortì
- Department of Biomedical, Dental and Morphological and Functional Imaging Sciences of the University of Messina, Messina, Italy.
| | - Vincenzo Lo Turco
- Department of Biomedical, Dental and Morphological and Functional Imaging Sciences of the University of Messina, Messina, Italy.
| | - Ambrogina Albergamo
- Department of Biomedical, Dental and Morphological and Functional Imaging Sciences of the University of Messina, Messina, Italy.
| | | | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences of the University of Messina, Messina, Italy.
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16
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Motevasselian F, Abdi K, Ghodarati H, Shamshiri AR, Lippert F, Hessari H. The role of lead and cadmium in deciduous teeth and saliva on dental caries in children residing in Tehran, Iran. J Trace Elem Med Biol 2023; 79:127209. [PMID: 37210890 DOI: 10.1016/j.jtemb.2023.127209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 09/26/2022] [Accepted: 05/17/2023] [Indexed: 05/23/2023]
Abstract
BACKGROUND Lead (Pb) and Cadmium (Cd) are important environmental contaminants. There is no biological monitoring of exposure to these heavy metals and their potential effect on dental caries in children in Tehran, Iran, a polluted megacity. Therefore, the present study investigated the potential association between Pb and Cd levels in primary teeth and saliva and dental caries. METHODS In a cross-sectional design, 211 children aged 6-11 years referred to Tehran University of Medical Sciences, School of Dentistry and residing in Tehran were examined. Pb and Cd levels of exfoliated primary teeth and stimulated saliva were determined by atomic absorption spectrophotometry (AAS). Dental caries prevalence was evaluated according to WHO criteria. Socioeconomic status, oral hygiene behavior, snacking frequency and salivary pH data were acquired as confounding factors. Frequency and percentages were reported for categorical variables, mean and standard deviation (SD) for continuous variables, and geometric mean for skewed continuous variables. A simple linear regression and Pearson correlation tests were used for statistical analyses. P-values < 0.05 were considered as significant. RESULT The mean (95 % confidence interval) Pb and Cd levels in teeth were 213.26 ppb (164.29-274.84) and 23.75 ppb (20.86-27.05), respectively. The mean Pb and Cd levels in saliva were 11.83 ppb (10.71-13.06) and 3.18 ppb (2.69-3.75), respectively. Furthermore, Pb and Cd in primary teeth and saliva were not associated (p > 0.05) with socioeconomic status, oral hygiene behavior and snacking frequency CONCLUSION: This study showed no association between Pb and Cd concentrations in primary teeth and in saliva with dental caries prevalence.
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Affiliation(s)
- Fariba Motevasselian
- Department of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
| | - Khosro Abdi
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Hoda Ghodarati
- School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Reza Shamshiri
- Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran; Research Center for Caries Prevention, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Frank Lippert
- Department of Cariology, Operative Dentistry and Dental Public Health, Oral Health Research Institute, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - Hossein Hessari
- Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran; Research Center for Caries Prevention, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
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17
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Ruiz R, Estevan C, Estévez J, Alcaide C, Sogorb MA, Vilanova E. Reference Values on Children's Hair for 28 Elements (Heavy Metals and Essential Elements) Based on a Pilot Study in a Representative Non-Contaminated Local Area. Int J Mol Sci 2023; 24:ijms24098127. [PMID: 37175834 PMCID: PMC10179086 DOI: 10.3390/ijms24098127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/19/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
Studies have been published, and laboratories offer services of measuring elements in hair as biomarkers of environmental exposure and/or control of essential elements (trace or macro). These reported values can have only sense if compared with adopted reference values. In this work, we propose provisional reference values based on a pilot child population. The concentrations of 28 elements were measured in children's hair samples. An observational, descriptive, cross-sectional study was conducted in a typical child population in the Mediterranean region void of excessive pollution problems to analyze 419 hair samples of children aged 3-12 years. Children were selected by a simple random method from eight primary education schools in different municipal districts, which included urban, rural and industrial areas. Samples of around 100 mg were washed and acid digested by an optimized procedure. All measures were performed using ICP-MS with Sc, Y and Re as internal standards. The statistical analysis was performed by two approaches: (a) considering all the data and (b) without outliers (second-order atypical data) to compare them with other published studies. The distribution curves in all the elements studied were asymmetric and did not fit the theoretical normality distributions. Therefore, the analysis based on percentiles was more appropriate. In most elements, only slight differences were observed with sex or age, which did not justify proposing separate reference ranges. From the results of this study, provisional reference values are proposed following two criteria: (a) simple application of the table of percentiles built by removing outlier values and (b) values after a detailed analysis case-by-case, considering other data as the distribution profile and other published data of each element. Although the pilot sample was from a limited area, it was carefully selected to be representative of a general non-contaminated population. With this limitation, the proposed reference values might be useful for researchers and physicians until a wider geographical study is available for a large number of elements.
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Affiliation(s)
- Roberto Ruiz
- Institute of Bioengineering, Miguel Hernandez University of Elche, 03202 Elche, Spain
| | - Carmen Estevan
- Institute of Bioengineering, Miguel Hernandez University of Elche, 03202 Elche, Spain
| | - Jorge Estévez
- Institute of Bioengineering, Miguel Hernandez University of Elche, 03202 Elche, Spain
| | - Carolina Alcaide
- Institute of Bioengineering, Miguel Hernandez University of Elche, 03202 Elche, Spain
| | - Miguel A Sogorb
- Institute of Bioengineering, Miguel Hernandez University of Elche, 03202 Elche, Spain
| | - Eugenio Vilanova
- Institute of Bioengineering, Miguel Hernandez University of Elche, 03202 Elche, Spain
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Dai L, Deng L, Wang W, Li Y, Wang L, Liang T, Liao X, Cho J, Sonne C, Shiung Lam S, Rinklebe J. Potentially toxic elements in human scalp hair around China's largest polymetallic rare earth ore mining and smelting area. ENVIRONMENT INTERNATIONAL 2023; 172:107775. [PMID: 36739854 DOI: 10.1016/j.envint.2023.107775] [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: 12/09/2022] [Revised: 01/02/2023] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
There is a growing concern about human health of residents living in areas where mining and smelting occur. In order to understand the exposure to the potentially toxic elements (PTEs), we here identify and examine the cadmium (Cd), chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb) and zinc (Zn) in scalp hair of residents living in the mining area (Bayan Obo, n = 76), smelting area (Baotou, n = 57) and a reference area (Hohhot, n = 61). In total, 194 hair samples were collected from the volunteers (men = 87, women = 107) aged 5-77 years old in the three areas. Comparing median PTEs levels between the young and adults, Ni levels were significantly higher in adults living in the smelting area while Cr was highest in adults from the mining area, no significant difference was found for any of the elements in the reference area. From the linear regression model, no significant relationship between PTEs concentration, log10(PTEs), and age was found. The concentrations of Ni, Cd, and Pb in hair were significantly lower in the reference area when compared to both mining and smelting areas. In addition, Cu was significantly higher in the mining area when compared to the smelting area. Factor analysis (FA) indicated that men and women from the smelting area (Baotou) and mining area (Bayan Obo), respectively, had different underlying communality of log10(PTEs), suggesting different sources of these PTEs. Multiple factor analysis quantilized the importance of gender and location when combined with PTEs levels in human hair. The results of this study indicate that people living in mining and/or smelting areas have significantly higher PTEs (Cu, Ni, Cd, and Pb) hair levels compared to reference areas, which may cause adverse health effects. Remediation should therefore be implemented to improve the health of local residents in the mining and smelting areas.
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Affiliation(s)
- Lijun Dai
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Li Deng
- Ecological Environment Planning and Environmental Protection Technology Center of Qinghai Province, Xining 810007, China
| | - Weili Wang
- Key Laboratory of Global Change and Marine Atmospheric Chemistry, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - You Li
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Lingqing Wang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; Ecological Environment Planning and Environmental Protection Technology Center of Qinghai Province, Xining 810007, China; University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany.
| | - Tao Liang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiaoyong Liao
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Jinwoo Cho
- Department of Environment, Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea
| | - Christian Sonne
- Department of Ecoscience, Arctic Research Centre (ARC), Aarhus University, Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark; Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia; Center for Transdisciplinary Research, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; University Centre for Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; Department of Environment, Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea
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Lead content in automotive paints purchased at formal and informal outlets in Kenya. Heliyon 2023; 9:e12831. [PMID: 36711311 PMCID: PMC9879762 DOI: 10.1016/j.heliyon.2023.e12831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 12/19/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023] Open
Abstract
Lead (Pb) is added to automotive paints to prevent corrosion on metallic surfaces, for decorative colours, and for reflective properties to heighten visibility, and enhanced drying time, and durability. However, there are substitutes for all of these applications and Pb is highly toxic to human health and the environment. Through concerted efforts, leaded gasoline was phased out and currently, the focus is on lead-based paints. Leaded automotive paint used for spray painting activities often conducted in close proximity to human habitation raises public health concerns over possible exposure. This study was therefore undertaken to assess Pb levels in automotive paints frequently used by informal spray painters. A total of thirty-two (n = 32) cans of automotive paints were purchased in 4 sets of red, blue, green and white colours from eight formal and informal retail shops. Lead levels in the paint samples were analyzed in triplicates using Atomic Absorption Spectrophotometry. All the automotive paints from the informal retail shops had Pb levels that ranged from 220 to 2740 ppm, and exceeded the regulatory limit of 90 ppm. The blue paint from the informal store had the highest Pb levels which were 30 times of the set limit. On the contrary, the paints from the formal stores had significantly (p < 0.05) lower Pb levels that ranged from 80.7 to 580 ppm than those of the informal stores. Although only one paint sample from the former retail shop had Pb levels within the limit. In general, the elevated Pb levels in automotive paints that are used in an unregulated environment are potential sources of exposure and environmental contamination. The study urgently calls for enforcement of the regulatory limits and comprehensive Pb exposure assessments in this sector.
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Dai L, Wang L, Wan X, Yang J, Wang Y, Liang T, Song H, Shaheen SM, Antoniadis V, Rinklebe J. Potentially toxic elements exposure biomonitoring in the elderly around the largest polymetallic rare earth ore mining and smelting area in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 853:158635. [PMID: 36087673 DOI: 10.1016/j.scitotenv.2022.158635] [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: 06/30/2022] [Revised: 09/04/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Potentially toxic elements (PTEs) can be released during mining operations and ore processing. The pollution and health risk related to PTEs in total suspended particulates (TSPs) around the largest polymetallic rare earth mining area (Bayan Obo) and smelting area (Baotou) in Inner Mongolia, China, were evaluated. PTEs in the hair of the elderly living in these two areas and a reference area (Hohhot) were also examined. Relationships between PTEs in TSPs and hair with categorical factors (location, gender, etc.) were also modeled. Multivariate statistical analyses were carried out to analyze the possible sources of the PTEs in TSPs. The bubble maps of the concentrations of PTEs indicated that high concentrations of PTEs were near the industrial area where smelting plants and power plants were located. In addition, health risks were assessed for adults in the mining and smelting area. The carcinogenic risk of Cr was high for residents in the study areas. Also, the residents were exposed to a non-carcinogenic risk of Ni. Significant mean value differences were observed between PTEs in the hair of the elderly in Baotou and Hohhot. Results of the linear regression model indicated that around 31 % of the Pb in hair could be explained by the linear regression model, it could be affected by Ni and Zn in TSPs, but location, gender, and sampling time showed no significant contribution. Age was not significantly associated with the PTEs levels in hair in Baotou and Bayan Obo. The results provide important scientific evidence for a better understanding of the effects of PTEs in TSPs in polymetallic ore mining and smelting areas.
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Affiliation(s)
- Lijun Dai
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Lingqing Wang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany.
| | - Xiaoming Wan
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Jun Yang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Yong Wang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Tao Liang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Hocheol Song
- Department of Environment, Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea
| | - Sabry M Shaheen
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; King Abdulaziz University, Faculty of Meteorology, Environment, and Arid Land Agriculture, Department of Arid Land Agriculture, 21589 Jeddah, Saudi Arabia; University of Kafrelsheikh, Faculty of Agriculture, Department of Soil and Water Sciences, 33516, Kafr El-Sheikh, Egypt
| | - Vasileios Antoniadis
- Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Greece
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; Department of Environment, Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea
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Yuan L, Xiang J, Zhang L, Liao Q, Yan X, Zhang D. Determination of Trace Elements by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) in Poultry Eggs from Jiangxi Province, China and the Corresponding Health Risk. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2154786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lijuan Yuan
- Key Laboratory for Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, PR China
| | - Jianjun Xiang
- Key Laboratory for Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, PR China
| | - Li Zhang
- Key Laboratory for Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, PR China
| | - Qiegen Liao
- Key Laboratory for Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, PR China
| | - Xiong Yan
- Key Laboratory for Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, PR China
| | - Dawen Zhang
- Key Laboratory for Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Institute for Quality & Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, PR China
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22
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Low-Dose Occupational Exposure to Nickel and Thyroid Hormones. J Occup Environ Med 2022; 64:e667-e671. [PMID: 35941736 DOI: 10.1097/jom.0000000000002660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION The aim of this study was to evaluate the effects of a low-dose exposure to nickel, as it is present in urban air, on thyroid hormones and on thyrotropin in outdoor workers exposed to urban pollutants. MATERIALS AND METHODS A total of 164 outdoor workers were studied and divided by sex and smoking habit. Each worker underwent measurement of urinary nickel and of blood triiodothyronine, L-thyroxine, and thyrotropin levels. The statistical analysis was performed. RESULTS Statistical analysis shows a significant and positive correlation between urinary nickel and L-thyroxine, both in total sample and in males. DISCUSSION AND CONCLUSION The study suggests that occupational exposure to a low dose of nickel may affect thyroid function in municipal police workers. These data may provide information on other categories of outdoor workers with similar exposure.
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Varrica D, Tamburo E, Alaimo MG. Levels of trace elements in human hair samples of adolescents living near petrochemical plants. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:3779-3797. [PMID: 34698985 DOI: 10.1007/s10653-021-01124-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
The aim of the study is a comparative analysis to investigate human hair metal profiles of adolescents residing near petrochemical plants (Sicily, Italy). We selected the small town of Augusta, Gela, and Pace del Mela, and a control area made up of the towns characterized by low anthropogenic activity. Twenty trace elements were measured in samples of scalp hair from adolescents (11-14 years old) of both genders. Hair samples were cleaned using a rigorous cleaning method, mineralized, and processed for analyses by inductively coupled plasma-mass spectrometry (ICP-MS). In industrial sites, zinc was always the most abundant element, ranging from186 to 217 μg g-1. Following zinc, the elements Al, Ba, Cu, Fe, and Sr were in the range 1-20 μg g-1. The remaining elements had concentrations < 1 μg g-1. The comparison with adolescents living in suburban area highlighted that As, Ba, Mn, Sr, U, and V have the highest median concentrations in an industrial location. An industrial factor (As, Mn, Sr, U, and V) and an urban factor (Cd, Cr, Cu, Mo, Ni, and Sb) were distinguished by the multivariate statistical analysis between a cohort residing in urban and industrial areas. Statistically significant differences (Kruskal-Wallis test, p < 0.05) between the genders were found for Ba, Mn, Ni, Sr, and V in all industrial sites with median concentrations higher in females' hair than males'. The data confirm that the study areas are heavily affected by industrial and urban emissions of metals and metalloids, representing a potential hazard to the local population.
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Affiliation(s)
- Daniela Varrica
- Dipartimento di Scienze della Terra e del Mare (DiSTeM), via Archirafi 22, 90123, Palermo, Italy.
| | - Elisa Tamburo
- Dipartimento di Scienze della Terra e del Mare (DiSTeM), via Archirafi 22, 90123, Palermo, Italy
| | - Maria Grazia Alaimo
- Dipartimento di Scienze della Terra e del Mare (DiSTeM), via Archirafi 22, 90123, Palermo, Italy
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24
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Kousa A, Loukola-Ruskeeniemi K, Hatakka T, Kantola M. High manganese and nickel concentrations in human hair and well water and low calcium concentration in blood serum in a pristine area with sulphide-rich bedrock. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:3799-3819. [PMID: 34698984 PMCID: PMC9587063 DOI: 10.1007/s10653-021-01131-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 10/09/2021] [Indexed: 05/04/2023]
Abstract
We report the trace element status of residents living in areas with naturally sulphide-rich bedrock and soil in two municipalities in Finland, Sotkamo and Kaavi. Altogether, 225 people from these sparsely populated regions participated voluntarily by providing hair and blood samples. The concentrations of calcium, zinc and copper in serum as well as selenium and cadmium in whole blood did not show correlation with those concentrations in hair samples. Calcium concentration in serum was slightly lower in the sulphide-rich areas (median value 91.4 mg/l, n = 103) than in the areas with adjacent sulphur-poor bedrock (median value 93.6 mg/l, n = 82). The concentrations of Ni and Mn in hair correlated with those in drinking water. The highest Mn and Ni concentrations in the water samples from private wells were 1620 µg/l and 51 µg/l and the highest concentrations in human hair samples 36.44 mg/kg and 12.3 mg/kg, respectively. The challenge with elevated trace element concentrations in some well waters is well documented. In northern countries (Finland, Sweden, Norway and Canada), only 10% of the population depend on private well water, and 90% have access to monitored municipal water supplies. Compared with data available from sulphide mine sites globally, the nickel and manganese concentrations in human hair samples were high in our sulphide-rich study area at Sotkamo representing the trace element status of residents under natural conditions.
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Affiliation(s)
- Anne Kousa
- Environmental Solutions, Geological Survey of Finland GTK, P.O. Box 1237, 70211, Kuopio, Finland
| | | | - Tarja Hatakka
- Environmental Solutions, Geological Survey of Finland GTK, P.O. Box 96, 02151, Espoo, Finland
| | - Marjatta Kantola
- Natural Resources Institute Finland (Luke), P.O. Box 2, 00791, Helsinki, Finland
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Nasser Eddine N, Noisel N, Dieme D, Asmar MK, Issa ST, Bouchard M. Multi-matrix biomonitoring approach to assess exposure to metals and trace elements in the Lebanese population and associations with drinking water consumption. ENVIRONMENTAL RESEARCH 2022; 214:113982. [PMID: 35952733 DOI: 10.1016/j.envres.2022.113982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 07/02/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
This study is the first attempt to assess exposure to metals and trace elements in subgroups of the Lebanese population using a multi-matrix biomonitoring approach. Concentrations of 11 metals and trace elements (aluminum (Al), arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), lead (Pb), manganese (Mn), selenium (Se), uranium (U), zinc (Zn)) were measured in urine, hair and toenails. Biological levels were compared according to age, sex, smoking status, socioeconomic status, geographical area and drinking water source. While most urinary and toenail concentrations of metals and trace elements were not different between males and females, measured concentrations of several elements in hair were higher in females compared to males. Urinary concentrations of some metals (Al, Cu, Se and Zn) were higher in children compared to teenagers and adults. Hair and toenail concentrations of several elements (As, Cd, Pb, Mn, Se in hair and toenails plus Al, Fe in toenails) were also significantly higher in children compared to teenagers and/or adults. Smoking status had no influence on metal and trace element concentrations. Levels of Cd, Pb and Mn were also higher in samples from subgroups with lower economic status (Cd and Pb in the three matrices and Mn in hair and toenails). Very few correlations were identified between sources of drinking water and urine, hair, and toenail concentrations of metals and trace elements. However, a correlation was observed between hair and toenails levels of As, Cd and Pb. Overall, results highlight that a special attention should be given to metal and trace element exposure in this population (including Pb, As, Cd, Mn, and Se). It could be relevant to scale up this kind of investigation with a large human biomonitoring initiative in the Lebanese population in order to generalize results, and assess trends over time.
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Affiliation(s)
- Nessrine Nasser Eddine
- Département de Santé Environnementale et Santé Au Travail, École de Santé Publique, Université de Montréal, 2375 Chemin de La Cote-Sainte-Catherine, Montréal, QC H3T 1A8, Canada
| | - Nolwenn Noisel
- Département de Santé Environnementale et Santé Au Travail, École de Santé Publique, Université de Montréal, 2375 Chemin de La Cote-Sainte-Catherine, Montréal, QC H3T 1A8, Canada; Chaire d'analyse et de gestion des risques toxicologiques, Université de Montréal, 2900, Édouard-Montpetit, Montréal, QC, H3T 1J4, Canada
| | - Denis Dieme
- Département de Santé Environnementale et Santé Au Travail, École de Santé Publique, Université de Montréal, 2375 Chemin de La Cote-Sainte-Catherine, Montréal, QC H3T 1A8, Canada; Centre de Recherche en Santé Publique (CReSP), Université de Montréal, 7101, Avenue Du Parc, Montréal, QC H3N 1X7, Canada
| | - Michèle Kosremelli Asmar
- Institut Supérieur de Santé Publique, Faculté de Médecine, Université Saint-Joseph de Beyrouth, Lebanon
| | - Sahar T Issa
- Department of Environmental Health Sciences, Faculty of Communications, Arts and Sciences, Canadian University Dubai, United Arab Emirates
| | - Michèle Bouchard
- Département de Santé Environnementale et Santé Au Travail, École de Santé Publique, Université de Montréal, 2375 Chemin de La Cote-Sainte-Catherine, Montréal, QC H3T 1A8, Canada; Centre de Recherche en Santé Publique (CReSP), Université de Montréal, 7101, Avenue Du Parc, Montréal, QC H3N 1X7, Canada; Chaire d'analyse et de gestion des risques toxicologiques, Université de Montréal, 2900, Édouard-Montpetit, Montréal, QC, H3T 1J4, Canada.
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Tavares AM, Viegas S, Louro H, Göen T, Santonen T, Luijten M, Kortenkamp A, Silva MJ. Occupational Exposure to Hexavalent Chromium, Nickel and PAHs: A Mixtures Risk Assessment Approach Based on Literature Exposure Data from European Countries. TOXICS 2022; 10:431. [PMID: 36006111 PMCID: PMC9414170 DOI: 10.3390/toxics10080431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/20/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Hexavalent chromium (Cr(VI)), nickel (Ni) and polycyclic aromatic hydrocarbons (PAHs) are genotoxic co-occurring lung carcinogens whose occupational health risk is still understudied. This study, conducted within the European Human Biomonitoring Initiative (HBM4EU), aimed at performing a mixtures risk assessment (MRA) based on published human biomonitoring (HBM) data from Cr(VI), Ni and/or PAHs occupational co-exposure in Europe. After data extraction, Risk Quotient (RQ) and Sum of Risk Quotients (SRQ) were calculated for binary and ternary mixtures to characterise the risk. Most selected articles measured urinary levels of Cr and Ni and a SRQ > 1 was obtained for co-exposure levels in welding activities, showing that there is concern regarding co-exposure to these substances. Similarly, co-exposure to mixtures of Cr(VI), Ni and PAHs in waste incineration settings resulted in SRQ > 1. In some studies, a low risk was estimated based on the single substances’ exposure level (RQ < 1), but the mixture was considered of concern (SRQ > 1), highlighting the relevance of considering exposure to the mixture rather than to its single components. Overall, this study points out the need of using a MRA based on HBM data as a more realistic approach to assess and manage the risk at the workplace, in order to protect workers’ health.
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Affiliation(s)
- Ana Maria Tavares
- Departamento de Genética Humana, Instituto Nacional de Saúde Dr. Ricardo Jorge (INSA), Avenida Padre Cruz, 1649-016 Lisbon, Portugal; (A.M.T.); (H.L.)
- ToxOmics–Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
| | - Susana Viegas
- Public Health Research Centre, NOVA National School of Public Health, Universidade NOVA de Lisboa, 1600-560 Lisbon, Portugal;
- Comprehensive Health Research Center (CHRC), 1169-056 Lisbon, Portugal
| | - Henriqueta Louro
- Departamento de Genética Humana, Instituto Nacional de Saúde Dr. Ricardo Jorge (INSA), Avenida Padre Cruz, 1649-016 Lisbon, Portugal; (A.M.T.); (H.L.)
- ToxOmics–Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
| | - Thomas Göen
- Institute of Occupational, Social and Environmental Medicine (IPASUM), University Erlangen-Nürnberg, Henkestraße 9-11, 91054 Erlangen, Germany;
| | - Tiina Santonen
- Finnish Institute of Occupational Health, FI-00250 Helsinki, Finland;
| | - Mirjam Luijten
- Centre for Health Protection, National Institute for Public Health and the Environment, 3720 BA Bilthoven, The Netherlands;
| | - Andreas Kortenkamp
- Centre for Pollution Research and Policy, College of Health, Medicine and Life Sciences, Brunel University London, Kingston Lane, Uxbridge, London UB8 3PH, UK;
| | - Maria João Silva
- Departamento de Genética Humana, Instituto Nacional de Saúde Dr. Ricardo Jorge (INSA), Avenida Padre Cruz, 1649-016 Lisbon, Portugal; (A.M.T.); (H.L.)
- ToxOmics–Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
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27
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Blanco Muñoz J, Lope V, Fernández de Larrea-Baz N, Gómez-Ariza JL, Dierssen-Sotos T, Fernández-Tardón G, Aragonés N, Amiano P, Gómez-Acebo I, Tardón A, Grau-Pérez M, García-Barrera T, Kogevinas M, Pollán M, Pérez-Gómez B. Levels and determinants of urinary cadmium in general population in Spain: Metal-MCC-Spain study. ENVIRONMENTAL RESEARCH 2022; 210:112959. [PMID: 35189102 DOI: 10.1016/j.envres.2022.112959] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/17/2022] [Accepted: 02/12/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Cadmium is a ubiquitous and persistent metal, associated with different harmful health effects and with increased morbidity and mortality. Understanding the main sources of exposure is essential to identify at risk populations and to design public health interventions. OBJECTIVE To evaluate cadmium exposure in a random-sample of general adult population from three regions of Spain, assessed by the urinary cadmium (U-Cd) concentration, and to identify its potential determinants and sex-specific differences, including sociodemographic, lifestyle and dietary factors. MATERIALS AND METHODS We measured U-Cd (μg/g creatinine) in single urine spot samples from 1282 controls enrolled in the multicase-control study in common tumors in Spain (MCC-Spain) with inductively coupling plasma-mass spectrometry equipped with an octopole reaction systems (ICP-ORS-MS). The association between sociodemographic, lifestyle, and dietary characteristics and U-Cd concentrations was evaluated using geometric mean ratios (GMR) estimated by multiple log-linear regression models. RESULTS Overall, geometric mean U-Cd concentration was 0.40 (95%CI: 0.38, 0.41) μg/g creatinine. Levels were higher in women than in men (GMR]: 1.19; 95%CI: 1.07, 1.32), and increased with age in males (ptrend< 0.001). Cigarette smoking was clearly associated to U-Cd levels (GMRformer vs non-smokers: 1.16; 95%CI: 1.05, 1.29; GMRcurrent vs non-smokers: 1.42; 95%CI: 1.26, 1.60); the relationship with secondhand tobacco exposure in non-smokers, was restricted to women (pinteraction = 0.02). Sampling season and region also seemed to influence U-Cd concentrations, with lower levels in summer (GMRsummer vs average: 0.79; 95%CI: 0.71, 0.88), and higher levels in North-Spain Asturias (GMRAsturias vs average: 1.13; 95%CI: 1.04, 1.23). Regarding diet, higher U-Cd concentration was associated with eggs consumption only in men (pinteraction = 0.04), just as rice intake was associated in women (pinteraction = 0.03). CONCLUSION These results confirmed that tobacco exposure is the main modifiable predictor of U-Cd concentrations, and remark that the role of dietary/sociodemographic factors on U-Cd levels may differ by sex.
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Affiliation(s)
- Julia Blanco Muñoz
- Department of Environmental Health. Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública. Cuernavaca, Morelos, Mexico
| | - Virginia Lope
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Instituto de Salud Carlos III, Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain.
| | - Nerea Fernández de Larrea-Baz
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Instituto de Salud Carlos III, Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain
| | - José Luis Gómez-Ariza
- Department of Chemistry, Faculty of Experimental Sciences, Campus El Carmen, University of Huelva. Research Center for Natural Resources, Health and the Environment, Campus El Carmen, University of Huelva, Av. del Tres de Marzo, 3, 21007, Huelva, Spain
| | - Trinidad Dierssen-Sotos
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Universidad de Cantabria - IDIVAL, 39011, Santander, Spain
| | - Guillermo Fernández-Tardón
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Institute of Health Research of the Principality of Asturias (ISPA)/University of Oviedo, 03301, Oviedo, Spain
| | - Nuria Aragonés
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Epidemiology Section, Public Health Division, Department of Health of Madrid, Madrid, Spain. C/San Martín de Porres, 6, 28035, Madrid, Spain
| | - Pilar Amiano
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Sub-Directorate for Public Health and Addictions of Gipuzkoa, Ministry of Health of the Basque Government, 20013, San Sebastian, Spain; Epidemiology and Public Health Area, Biodonostia Health Research Institute, 20014, San Sebastian, Spain
| | - Inés Gómez-Acebo
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Universidad de Cantabria - IDIVAL, 39011, Santander, Spain
| | - Adonina Tardón
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Institute of Health Research of the Principality of Asturias (ISPA)/University of Oviedo, 03301, Oviedo, Spain
| | - María Grau-Pérez
- Department of Preventive Medicine and Public Health, Universidad Autónoma de Madrid/ IdiPAZ, 28049, Madrid, Spain; Cardiometabolic and Renal Risk Unit, Biomedical Research Institute INCLIVA, Valencia, Spain
| | - Tamara García-Barrera
- Department of Chemistry, Faculty of Experimental Sciences, Campus El Carmen, University of Huelva. Research Center for Natural Resources, Health and the Environment, Campus El Carmen, University of Huelva, Av. del Tres de Marzo, 3, 21007, Huelva, Spain
| | - Manolis Kogevinas
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Instituto de Salud Global de Barcelona (ISGlobal), 08003, Barcelona, Spain; Hospital del Mar Medical Research Institute (IMIM), 08003, Barcelona, Spain
| | - Marina Pollán
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Instituto de Salud Carlos III, Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain
| | - Beatriz Pérez-Gómez
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Instituto de Salud Carlos III, Av/Monforte de Lemos, 5, 28029, Madrid, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Instituto de Salud Carlos III. Av/Monforte de Lemos, 5, 28029, Madrid, Spain
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Essential Trace Elements in Scalp Hair of Residents across the Caspian Oil and Gas Region of Kazakhstan. TOXICS 2022; 10:toxics10070364. [PMID: 35878268 PMCID: PMC9317645 DOI: 10.3390/toxics10070364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 06/23/2022] [Accepted: 06/28/2022] [Indexed: 02/04/2023]
Abstract
Most of the country’s oil and gas fields are situated in West Kazakhstan, mainly on the Caspian Sea coast, causing significant damage to the local environment and contributing to an imbalance in the trace element composition of the human body. The study is aimed to evaluate the relationship between the concentration of essential trace elements in scalp hair of the western Kazakhstan adult population and the remoteness of their residence from oil and gas fields. The concentration of essential trace elements (Co, Cu, Fe, I, Mn, Se, Zn) in the hair of 850 individuals aged 18−60 years was determined by inductively coupled plasma mass spectrometry. In residents of settlements located at a distance of >110 km from oil and gas fields, the concentration of Cu and I in hair was significantly higher than in those closer to 110 km (p < 0.001). The content of Cu and I were associated with the distance to oil and gas fields (0.072 (95% CI: 0.050; 0.094)) and (0.121 (95% CI: 0.058; 0.185)), respectively. We detected a significant imbalance in the distribution of some essential trace elements in residents’ scalp hair from the Caspian region of western Kazakhstan, living near oil and gas fields. The concentrations of Cu and I were significantly interrelated with the distance to oil and gas fields. The level of copper in the hair of both inhabitants of the area most remote from oil and gas facilities and the entire population of western Kazakhstan as a whole remains significantly low. The data obtained provide evidence of the possible impact of pollutants generated by the oil and gas facilities on a shortage of essential trace elements and associated subsequent health risks.
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An Investigation for Heavy Metals’ Contamination in Farmers’ Fingernails: Case Study in Libya. J CHEM-NY 2022. [DOI: 10.1155/2022/5102599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
This study aims to assess the concentration levels of heavy metals, which are associated with health hazards: arsenic (As), cadmium (Cd), and lead (Pb) among Libyan farmers using fingernails as a biomarker. Factors that may contribute for accumulation of these toxic heavy metals in the farmers’ fingernails were also evaluated. This cross-sectional study involved 127 farmers and 25 high school teachers living in the same geographical area as the farmers (served as the control group). Fingernail samples of the participants were collected, treated, and analyzed by inductively coupled plasma mass spectrometry (ICP-MS) for As, Cd, and Pb contents after microwave acid digestion. Results of this study indicated that the concentration levels of the investigated heavy metals in fingernail samples of both participating farmers and control group were in order of Pb > Cd > As. Also, the results showed that As, Cd, and Pb levels in the farmers’ fingernails were found to be higher than in the control group by about 9-, 5-, and 2-fold, respectively. This difference for all heavy metals analyzed was found to be statistically significant
. As a conclusion, the results of this study clearly indicated that Libyan farmers have been exposed to high levels of toxic heavy metals as a result of their agricultural activities compared with the general population living in the same geographical area as farmers, which, in turn, pose a high risk to their health. Thus, toxicological, epidemiological, and clinical studies for the Libyan farmers are strongly recommended.
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Evans MN, Waller S, Müller CT, Goossens B, Smith JA, Bakar MSA, Kille P. The price of persistence: Assessing the drivers and health implications of metal levels in indicator carnivores inhabiting an agriculturally fragmented landscape. ENVIRONMENTAL RESEARCH 2022; 207:112216. [PMID: 34656630 DOI: 10.1016/j.envres.2021.112216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/17/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
Patterns and practices of agricultural expansion threaten the persistence of global biodiversity. Wildlife species surviving large-scale land use changes can be exposed to a suite of contaminants that may deleteriously impact their health. There is a paucity of data concerning the ecotoxicological impacts associated with the global palm oil (Elaeis guineensis) industry. We sampled wild Malay civets (Viverra tangalunga) across a patchwork landscape degraded by oil palm agriculture in Sabah, Malaysian Borneo. Using a non-lethal methodology, we quantified the levels of 13 essential and non-essential metals within the hair of this adaptable small carnivore. We robustly assessed the biological and environmental drivers of intrapopulation variation in measured levels. Metal concentrations were associated with civet age, weight, proximity to a tributary, and access to oxbow lakes. In a targeted case study, the hair metal profiles of 16 GPS-collared male civets with differing space use patterns were contrasted. Civets that entered oil palm plantations expressed elevated aluminium, cadmium, and lead, and lower mercury hair concentrations compared to civets that remained exclusively within the forest. Finally, we paired hair metal concentrations with 34 blood-based health markers to evaluate the possible sub-lethal physiological effects associated with varied hair metal levels. Our multi-facetted approach establishes these adaptable carnivores as indicator species within an extensively altered ecosystem, and provides critical and timely evidence for future studies.
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Affiliation(s)
- Meaghan N Evans
- School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK; Danau Girang Field Centre, Kota Kinabalu, 88100, Malaysia.
| | - Simon Waller
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK
| | - Carsten T Müller
- School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK
| | - Benoit Goossens
- School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK; Danau Girang Field Centre, Kota Kinabalu, 88100, Malaysia; Sustainable Places Institute, Cardiff University, Cardiff, CF10 3BA, UK; Sabah Wildlife Department, Kota Kinabalu, 88100, Malaysia
| | - Jeremy A Smith
- School of Applied Sciences, University of South Wales, CF37 4BB, UK
| | | | - Peter Kille
- School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK.
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Zhang Y, Su Z, Hu G, Hong S, Long C, Zhang Q, Zheng P, Wang T, Yu S, Yuan F, Zhu X, Jia G. Lung function assessment and its association with blood chromium in a chromate exposed population. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 818:151741. [PMID: 34808188 DOI: 10.1016/j.scitotenv.2021.151741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/12/2021] [Accepted: 11/13/2021] [Indexed: 06/13/2023]
Abstract
Hexavalent chromium [Cr(VI)] and its compounds have been associated with various respiratory diseases, while few studies have attempted to determine its adverse effect on lung function. To explore the potential early indicators of health surveillance for respiratory diseases induced by chromate exposure, a longitudinal cohort study including 515 workers with 918 measurements across 2010-2017 was conducted to investigate the impact of individual internal exposure on lung function. Inductively coupled plasma mass spectrometry (ICP-MS) and spirometry were used to measure whole blood chromium (blood Cr) and lung function respectively. In the linear mixed-effects analysis, each 1- unit increase in Ln- transformed blood Cr was significantly associated with estimated effect percentage decreases of 1.80 (0.35, 3.15) % in FEV1, 0.77 (0.10, 1.43) % in FEV1/FVC, 2.78 (0.55, 4.98) % in PEF, and 2.73 (0.59, 4.71) % in FEF25-75% after adjusting for related covariates. Exposure- response curve depicted the reduction of lung function with blood Cr increase, and the reference value of blood Cr was proposed as 6 μg/L considering the lung function as health outcome. Based on the repeated-measure analysis, compared with the low frequency group, subjects with high frequency of high exposure across 2010-2017 had an additional reduction of 5.65 (0, 11.3) % in FVC. Subjects with medium frequency showed more obvious declines of 9.48 (4.16, 14.87) % in FVC, 8.63 (3.49, 13.97) % in FEV1, 12.94 (3.34, 22.53) % in PEF and 10.97 (3.63, 18.30) % in MVV. These findings suggested that short- term high exposure to Cr associated with obstructive ventilatory impairment, and long- term exposure further led to restrictive ventilatory impairment.
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Affiliation(s)
- Yali Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Zekang Su
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Guiping Hu
- School of Engineering Medicine and Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100191, China.
| | - Shiyi Hong
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Changmao Long
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Qiaojian Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Pai Zheng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Tiancheng Wang
- Department of Clinical Laboratory, Third Hospital of Peking University, Beijing 100191, China
| | - Shanfa Yu
- Henan Institute for Occupational Medicine, Zhengzhou City, Henan Province 450052, China
| | - Fang Yuan
- Department of Occupational Health and Radiological Health, Chongqing Center for Disease Control and Prevention, Chongqing 400042, China
| | - Xiaojun Zhu
- National Center for Occupational Safety and Health, Beijing 102308, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China.
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Matos ARD, Faria MCS, Freire BM, Pereira RM, Batista BL, Rodrigues JL. Determination of 14 trace elements in blood, serum and urine after environmental disaster in the Doce River basin: Relationship between mining waste and metal concentration in the population. J Trace Elem Med Biol 2022; 70:126920. [PMID: 34963080 DOI: 10.1016/j.jtemb.2021.126920] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 07/21/2021] [Accepted: 12/20/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Exposure to chemical substances after an environmental disaster can cause both toxic effects and changes in the health status of people who live in or have proximity to environments of this nature, so that the concern with populations is growing. METHODS In this cross-sectional study, blood, serum and urine samples were collected from 100 volunteers from Santo Antônio do Rio Doce, eight from Ilha das Pimentas and 50 from the control group; and analyzed by inductively coupled plasma mass spectrometry for biomonitoring of Al, As, Ba, Cd, Co, Cu, Cr, Fe, Hg, Mn, Ni, Se, Pb, Zn. In addition, a comprehensive questionnaire was applied to collect demographic and socioeconomic information, as well as lifestyle. RESULTS The concentrations of As, Al, Cd, Ni and Mn were above the reference value in some biological matrices, with more pronounced exposure in Ilha das Pimentas. The concentrations of As, Cd, Cu, Co, Pb and Zn showed statistical differences regarding gender in the different biological matrices. The trace elements in the blood, serum and urine showed significant correlations when considering age and habits such as the consumption of cigarettes, alcoholic beverages and fish. The main correlations were observed between Co, Cr, Mn, Ni and Pb in the blood and cigarette consumption. CONCLUSION This is the first study in these regions after the environmental disaster and confirmation of the diagnosis and health care of the participants should be promoted for clinical investigation and the eventual need for treatment. Human biomonitoring demonstrated high concentrations of some toxic elements, with more accentuated exposure in Ilha das Pimentas.
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Affiliation(s)
- Alice Rodrigues de Matos
- Instituto de Ciência, Engenharia e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Campus Mucuri, Teófilo Otoni, MG, Brazil
| | - Márcia Cristinada Silva Faria
- Instituto de Ciência, Engenharia e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Campus Mucuri, Teófilo Otoni, MG, Brazil
| | - Bruna Moreira Freire
- Centro de Ciências Humanas e Naturais, Universidade Federal do ABC, UFABC, Santo André, SP, Brazil
| | - Rodrigo Mendes Pereira
- Centro de Ciências Humanas e Naturais, Universidade Federal do ABC, UFABC, Santo André, SP, Brazil
| | - Bruno Lemos Batista
- Centro de Ciências Humanas e Naturais, Universidade Federal do ABC, UFABC, Santo André, SP, Brazil
| | - Jairo Lisboa Rodrigues
- Instituto de Ciência, Engenharia e Tecnologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Campus Mucuri, Teófilo Otoni, MG, Brazil.
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Conley TE, Richardson C, Pacheco J, Dave N, Jursa T, Guazzetti S, Lucchini RG, Fendorf S, Ritchie RO, Smith DR. Bone manganese is a sensitive biomarker of ongoing elevated manganese exposure, but does not accumulate across the lifespan. ENVIRONMENTAL RESEARCH 2022; 204:112355. [PMID: 34774504 PMCID: PMC10413361 DOI: 10.1016/j.envres.2021.112355] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/10/2021] [Accepted: 11/06/2021] [Indexed: 06/13/2023]
Abstract
Studies have established associations between environmental and occupational manganese (Mn) exposure and executive and motor function deficits in children, adolescents, and adults. These health risks from elevated Mn exposure underscore the need for effective exposure biomarkers to improve exposure classification and help detect/diagnose Mn-related impairments. Here, neonate rats were orally exposed to 0, 25, or 50 mg Mn/kg/day during early life (PND 1-21) or lifelong through ∼ PND 500 to determine the relationship between oral Mn exposure and blood, brain, and bone Mn levels over the lifespan, whether Mn accumulates in bone, and whether elevated bone Mn altered the local atomic and mineral structure of bone, or its biomechanical properties. Additionally, we assessed levels of bone Mn compared to bone lead (Pb) in aged humans (age 41-91) living in regions impacted by historic industrial ferromanganese activity. The animal studies show that blood, brain, and bone Mn levels naturally decrease across the lifespan without elevated Mn exposure. With elevated exposure, bone Mn levels were strongly associated with blood Mn levels, bone Mn was more sensitive to elevated exposures than blood or brain Mn, and Mn did not accumulate with lifelong elevated exposure. Elevated early life Mn exposure caused some changes in bone mineral properties, including altered local atomic structure of hydroxyapatite, along with some biomechanical changes in bone stiffness in weanlings or young adult animals. In aged humans, blood Mn ranged from 5.4 to 23.5 ng/mL; bone Mn was universally low, and decreased with age, but did not vary based on sex or female parity history. Unlike Pb, bone Mn showed no evidence of accumulation over the lifespan, and may not be a biomarker of cumulative long-term exposure. Thus, bone may be a useful biomarker of recent ongoing Mn exposure in humans, and may be a relatively minor target of elevated exposure.
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Affiliation(s)
- Travis E Conley
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, CA, 95064, USA.
| | - Cardius Richardson
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, CA, 95064, USA
| | - Juan Pacheco
- Department of Earth System Science, Stanford University, Stanford, CA, 94305, USA
| | - Neil Dave
- Department of Materials Science & Engineering, University of California, Berkeley, CA, 94720, USA
| | - Thomas Jursa
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, CA, 95064, USA
| | - Stefano Guazzetti
- Department of Occupational and Environmental Medicine, University of Brescia, Spedali Civili 1, 25125, Brescia, Italy
| | - Roberto G Lucchini
- Department of Occupational and Environmental Medicine, University of Brescia, Spedali Civili 1, 25125, Brescia, Italy; Department of Environmental Health, Florida International University, Miami, FL, 33139, USA
| | - Scott Fendorf
- Department of Earth System Science, Stanford University, Stanford, CA, 94305, USA
| | - Robert O Ritchie
- Department of Materials Science & Engineering, University of California, Berkeley, CA, 94720, USA
| | - Donald R Smith
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, CA, 95064, USA.
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Satir S. The relationship between oral cancer and cadmium: a review. Mol Biol Rep 2022; 49:2413-2419. [PMID: 34822067 DOI: 10.1007/s11033-021-07000-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 11/19/2021] [Indexed: 10/19/2022]
Abstract
Cadmium (Cd) has been classified as a type I carcinogen. Since it is ingested orally through food and tobacco use, Cd is likely to be closely related to oral cancers. The relationship between cadmium and oral cancer was investigated using papers on Pubmed and Web of Science. Thus a total of 11 studies from these databases were included in the review. Cd concentrations were significantly higher in both the blood and hair of oral cancer patients than in controls. Additionally, it has been reported that Cd increases the activity of reactive oxygen species. Tobacco plants contain varying levels of Cd. The presence of high Cd concentrations in patients who use tobacco products and develop oral cancer is strong evidence that Cd is directly related to oral cancer. While planning a study to determine the Cd concentrations in biological samples, it is advisable to examine the methodologies of previous studies and to avoid technical deficiencies. New cell line studies are required to explain the relationship between Cd and autophagy-apoptosis.
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Affiliation(s)
- Samed Satir
- Faculty of Dentistry, Oral and Maxillofacial Radiology, Alanya Alaaddin Keykubat University, Konaklı, Mustafa Kemal Boulevard, Alanya, 07490, Antalya, Turkey.
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Environmental exposure to lead, mercury, and cadmium is not associated with abnormal kidney function in Korean adolescents. Pediatr Nephrol 2022; 37:625-631. [PMID: 34448022 DOI: 10.1007/s00467-021-05215-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/29/2021] [Accepted: 06/29/2021] [Indexed: 01/18/2023]
Abstract
BACKGROUND We aimed to elucidate the relationship between environmental exposure to lead (Pb), mercury (Hg), and cadmium (Cd) which were measured in blood and the kidney function of adolescents. METHODS Cross-sectional study was conducted using data from the Korea National Health and Nutrition Examination Survey from 2010 to 2017. Statistical procedures were performed to analyze the Korean population of adolescents aged 12-17 years. Regression analysis was performed, and covariates included age, sex, body mass index, smoking status, and other heavy metal levels. RESULTS The median blood levels of Pb, Hg, and Cd were 1.165 μg/dL, 1.805 μg/L, and 0.304 μg/L, respectively. Adolescents with Pb levels in the highest quartile (> 1.454 μg/dL) had a 3.35 mL/min/1.73 m2-lower estimated glomerular filtration rate using creatinine (eGFRcr) (95% confidence interval (CI), -6.03 to -0.68 mL/min/1.73 m2) compared to those in the lowest quartile (< 0.856 μg/dL) in the unadjusted model. However, there was no association between the blood Pb level and eGFRcr in the adjusted model. Levels of Hg and Cd were not associated with eGFRcr in either model. High blood levels of all three heavy metals were not associated with the risk of hypertension. CONCLUSIONS There was no association between increased blood levels of Pb, Hg, and Cd; eGFRcr; and increased risk of hypertension in Korean adolescents who were exposed to relatively low levels of heavy metals.
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Dubey R, Verma P, Kumar S. Cr (III) genotoxicity and oxidative stress: An occupational health risk for leather tannery workers of South Asian developing countries. Toxicol Ind Health 2022; 38:112-126. [DOI: 10.1177/07482337211055131] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In the leather industry, Cr (III) is used as a basic tanning agent. The wastewater discharged from the tannery industry contains a high concentration of chromium. Recent studies indicate the genotoxic effects especially DNA damage and oxidative stress of Cr (III) in tannery workers. Cr (III) interacts with DNA to form DNA cross-links and DNA strand breaks. It also modifies the oxidative DNA base through the Haber–Weiss reaction. The present study is based on an overview of scientific literature and previous observations regarding the effects of tannery chromium effluents on exposed workers and the population in the vicinity. This study strongly suggests for use of a non-toxic substitute of chromium to be used for the tanning process and placement of tannery industries on the outskirts of the city. In South Asian developing countries like India, Pakistan and Bangladesh where the economy is strongly dependent on leather manufacturing industries, there is a need to spread proper information regarding the harmful effects of chromium toxicity to the workforce employed in the tannery and also to the people living in the surrounding area. Workers should be provided with the required safety protections like gloves, aprons, foot/shoe covers, masks, etc. Last but most important on an immediate basis is the installation of the proper efficient waste treatment plant, so that, waste should be treated before moving out of the industry.
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Affiliation(s)
- Ramji Dubey
- Department of Zoology, University of Lucknow, Lucknow, India
| | - Pragya Verma
- Department of Zoology, University of Lucknow, Lucknow, India
| | - Sudhir Kumar
- Department of Zoology, University of Lucknow, Lucknow, India
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Sánchez OF, Lin LF, Xie J, Freeman JL, Yuan C. Lead exposure induces dysregulation of constitutive heterochromatin hallmarks in live cells. Curr Res Toxicol 2021; 3:100061. [PMID: 35005634 PMCID: PMC8717252 DOI: 10.1016/j.crtox.2021.12.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/03/2021] [Accepted: 12/07/2021] [Indexed: 11/28/2022] Open
Abstract
Lead (Pb) is a heavy metal contaminant commonly found in air, soil, and drinking water due to legacy uses. Excretion of ingested Pb can result in extensive kidney damages due to elevated oxidative stress. Epigenetic alterations induced by exposure to Pb have also been implied but remain poorly understood. In this work, we assessed changes in repressive epigenetic marks, namely DNA methylation (meCpG) and histone 3 lysine 9 tri-methylation (H3K9me3) after exposure to Pb. Live cell epigenetic probes coupled to bimolecular fluorescence complementation (BiFC) were used to monitor changes in the selected epigenetic marks. Exposure to Pb significantly lowered meCpG and H3K9me3 levels in HEK293T cells suggesting global changes in constitutive heterochromatin. A heterodimeric pair of probes that tags chromatin regions enriched in both meCpG and H3K9me3 further confirmed our findings. The observed epigenetic changes can be partially attributed to aberrant transcriptional changes induced by Pb, such as overexpression of TET1 after Pb exposure. Lastly, we monitored changes in selected heterochromatin marks after removal of Pb and found that changes in these markers do not immediately recover to their original level suggesting potential long-term damages to chromatin structure.
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Affiliation(s)
- Oscar F. Sánchez
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Li F. Lin
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Junkai Xie
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Jennifer L. Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA
- Purdue Center of Cancer Research, Purdue University, West Lafayette, IN 47907, USA
| | - Chongli Yuan
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA
- Purdue Center of Cancer Research, Purdue University, West Lafayette, IN 47907, USA
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Topal S, Şaylan M, Zaman BT, Bakırdere S. Determination of trace cadmium in saliva samples using spray assisted droplet formation-liquid phase microextraction prior to the measurement by slotted quartz tube-flame atomic absorption spectrophotometry. J Trace Elem Med Biol 2021; 68:126859. [PMID: 34564028 DOI: 10.1016/j.jtemb.2021.126859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 08/05/2021] [Accepted: 09/10/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND An effective, green and rapid analytical strategy namely the simultaneous spray assisted droplet formation-liquid phase microextraction (S-SADF-LPME) method was developed for the determination of trace quantity of cadmium in saliva samples by using the slotted quartz tube-flame atomic absorption spectrophotometry (SQT-FAAS). By the developed method, external dispersive solvent usage for droplet formation was reduced to obtain a more environmental-friendly method. METHODS Method consists of a simultaneous complexing and extraction step, which was based on spraying an extraction solvent containing a solid ligand into the aqueous sample solution, forming fine droplets without the use of dispersive solvent. The procedure was implemented using a customized, cost effective and portable spray apparatus to minimize the consumption of reagent, analysis time and operation steps. Thus, this methodology ensures better repeatability and accuracy while minimizing the relative errors caused by the experimental steps. Parameters including the buffer amount, extractant/ligand concentration, extraction solvent type, extraction/ligand solution volume, spraying number and vortex period were systemically optimized to lower the detection limit. RESULTS Under the optimal extraction conditions, 96.9-folds enhancement in the detection power of the traditional FAAS was achieved. The limit of detection and limit of quantification values of presented method were calculated to be 0.65 and 2.17 ng mL-1, respectively. Accuracy and applicability of the optimized method was investigated by collecting saliva samples from smokers. Satisfactory percent recovery values wereachieved for cadmium with a low standard deviation in the acceptable range of 84.9-109.6 %. CONCLUSION The developed dispersive solvent-free S-SADF-LPME technique presents a fast, simple, cost-effective and eco-friendly microextraction method based on the use of an easily accessible and functional spray apparatus.
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Affiliation(s)
- Serkan Topal
- Istanbul University, TEBİP Programme, Chemistry Department, 34220, İstanbul, Turkey
| | - Meltem Şaylan
- Yıldız Technical University, Chemistry Department, 34220, İstanbul, Turkey
| | - Buse Tuğba Zaman
- Yıldız Technical University, Chemistry Department, 34220, İstanbul, Turkey
| | - Sezgin Bakırdere
- Yıldız Technical University, Chemistry Department, 34220, İstanbul, Turkey; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No:112, 06670, Çankaya, Ankara, Turkey.
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Yang J, Xie Q, Wang Y, Wang J, Zhang Y, Zhang C, Wang D. Exposure of the residents around the Three Gorges Reservoir, China to chromium, lead and arsenic and their health risk via food consumption. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 228:112997. [PMID: 34808509 DOI: 10.1016/j.ecoenv.2021.112997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 11/04/2021] [Accepted: 11/14/2021] [Indexed: 06/13/2023]
Abstract
Hydrological management of the Three Gorges Dam has resulted in the interception of heavy metals in the Three Gorges Reservoir (TGR). However, the exposure to heavy metals and health risks among local residents remained poorly understood. Here we collected 208 biomarker samples (hair) and 20 food species from typical regions in the TGR to assess the exposure levels of three toxic metals (Cr, Pb and As) in residents of the TGR, and subsequently investigated their health risk via dietary intake. Results indicated that hair Cr and As levels were below the reference value for normal people and threshold of skin lesions, respectively, whereas about 22% hair Pb exceeded the reference for clinical medicine, indicating a potential Pb exposure of local residents. Smoking habit and fish consumption were found to be predictors for hair Pb. In addition, the concentrations of heavy metals in all investigated food samples were below the limits of contaminants in food in China, except for Pb in the sweet potato and fish. The estimated daily intake of metals (DIMs) revealed that the intakes of Cr and As from studied food were under the recommended thresholds of Cr and As. However, the intake of Pb via diet exceeded the limit of the prevalence of chronic kidney disease and closed to the threshold for cardiovascular, which was probably associated with the high Pb concentrations of fish and sweet potato. Overall, residents around the TGR were at low exposure to Cr and As, but Pb exposure may need more attention.
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Affiliation(s)
- Jingwen Yang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Qing Xie
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Yongmin Wang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Juan Wang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Yongjiang Zhang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China; Department of Environment and Quality Test, Chongqing Chemical Industry Vocational College, Chongqing 401220, China
| | - Cheng Zhang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Dingyong Wang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China.
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Piñeda-Zayas A, Menendez Lopez-Mateos L, Palma-Fernández JC, Iglesias-Linares A. Assessment of metal ion accumulation in oral mucosa cells of patients with fixed orthodontic treatment and cellular DNA damage: a systematic review. Crit Rev Toxicol 2021; 51:622-633. [PMID: 34738508 DOI: 10.1080/10408444.2021.1960271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Intraoral fixed appliances remain in the potentially corrosive environment of the mouth for an average of two years. Over time, corrosion causes the release of metal ions, such as nickel and chromium. These metals can become allergenic and cytotoxic, causing different conditions in the human body. The aim of this study therefore is to carry out a systematic review of the available scientific evidence on the accumulation of metal ions, and the genotoxic and cytotoxic effects in oral mucosa cells deriving from short- and long-term exposure to them. The systematic review is reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The primary outcome (quantification of metal ion deposits and assessment of their genotoxic and/or cytotoxic effects) and secondary outcome (complementary analysis of cytotoxic and genotoxic effects) were examined. The Cochrane Collaboration tool and Toxicological data Reliability Assessment Tool (ToxRTool) were used for quality assessment. Once the search was performed, a total of seven articles met the inclusion criteria and were included in this study. Two main techniques were used to assess genotoxic effects: alkaline comet assay (6/7) and micronucleus method (1/7). Cytotoxicity was evaluated (4/7) using the trypan blue dye test. Accumulations of nickel (7/7), chromium (5/7), and other metals (zinc, cobalt, iron, manganese, molybdenum, titanium) were also quantified. The results allowed us to conclude that release of metal ions and acute cell and DNA damage in oral mucosa cells takes place in the early stages of treatment. However, more long-term studies are needed to evaluate chronic exposure to metals and DNA damage, as well as cellular capacity to recover DNA integrity.
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Affiliation(s)
| | | | - Juan Carlos Palma-Fernández
- Department of Dental Clinical Specialties, School of Dental Medicine, Complutense University of Madrid, Madrid, Spain
| | - Alejandro Iglesias-Linares
- Department of Dental Clinical Specialties, School of Dental Medicine, Complutense University of Madrid, Madrid, Spain
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Tomei F, Rosati MV, Di Pastena C, Tomei G, Giammichele G, De Marco F, Corsale S, Suppi A, Ricci P, Sacco C, Ricci S, Monti C. Urinary Nickel and Progesterone in Workers Exposed to Urban Pollutants. J Occup Environ Med 2021; 63:e660-e666. [PMID: 34224421 DOI: 10.1097/jom.0000000000002310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE The aim of this study is to evaluate whether the exposure to a low dose of nickel could determinate a variation in levels of progesterone in outdoor workers. MATERIALS AND METHODS Two hundred sixty one subjects were divided by sex, task, age, seniority, and cigarette smoking habit. For each workers was evaluated the dose of blood progesterone and urinary nickel.The statistical analysis was performed. RESULTS The Pearson correlation showed a statistically significant correlation between urinary nickel levels and progesterone. The multiple linear regression showed a significant correlation between progesterone and urinary nickel in the total sample and in the subgroups of smokers and workers with tasks of traffic direction. CONCLUSIONS The results of our study suggest that occupational exposure to low doses of nickel present in urban pollution may influence to progesterone levels in outdoor workers.
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Affiliation(s)
- Francesco Tomei
- SiPro Srl - Sicurezza e produttività nel lavoro (Mr Tomei, Dr Pastena, Dr Giammichele, Dr Marco, Mr Silvia, Dr Anastasia); Department of Anatomy, Histology, Medical-Legal and the Orthopedics, Specialty School of Occupational Medicine, Unit of Occupational Medicine (Ms Rosati, Mr Ricci, Dr Sacco, Ms Ricci); Department of Human Neurosciences (Mr Tomei), University of Rome " Sapienza ", Rome; Croce Rossa Italiana - Italian Red Cross (Mr Monti), Italy
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Kao CS, Wang YL, Chuang TW, Jiang CB, Hsi HC, Liao KW, Chien LC. Effects of soil lead exposure and land use characteristics on neurodevelopment among children under 3 years of age in northern Taiwan. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117288. [PMID: 33984777 DOI: 10.1016/j.envpol.2021.117288] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 04/07/2021] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
Lead (Pb) exposure increases the risks of neurodevelopmental disorders in children. Child-specific activities and land use scenarios may lead to elevated opportunities for Pb exposure through the soil. Therefore, we investigated hair and fingernail Pb concentrations among young children in northern Taiwan, in relation to soil Pb pollution and land use characteristics. We also explored the effect of the Pb exposure burden and land use scenarios on neurobehavioral development. In total, 139 healthy children under 3 years of age were recruited in October 2011 to April 2014. Pb levels in hair and fingernail samples were determined using an inductively coupled plasma/mass spectrometer. Pb concentrations in soils and land use types surrounding the children's homes were accessed by a geographic information system to identify any associations with hair Pb levels. The Bayley Scales of Infant and Toddler Development (Bayley-III) were used to evaluate the cognitive, language, and motor development of the children. A multivariable regression model was performed to assess the effects of soil Pb levels and land-use status on Pb exposure in children, as well as associations of Pb exposure and land-use scenarios with neurodevelopmental abilities. Geometric mean Pb concentrations in hair, fingernails, and soil were 2.9 ± 4.8 μg/g, 0.8 ± 5.1 μg/g, and 20.8 ± 4.3 mg/kg, respectively. The multivariable analysis indicated that soil Pb concentrations and green areas around residences had potential links with Pb exposure among children in northern Taiwan. Hair Pb concentrations were negatively associated with expressive language scores. Soil Pb exposure was positively associated with hair Pb concentrations. Land use types around the children's homes in northern Taiwan were associated with their neurodevelopment. Increased green areas were negatively associated with hair Pb concentrations. Living near a highway may have had negative impacts on gross motor scores. A healthy residence can avoid potential health risks for children during their early life.
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Affiliation(s)
- Chi-Sian Kao
- School of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Ying-Lin Wang
- Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan
| | - Ting-Wu Chuang
- School of Public Health, Taipei Medical University, Taipei, Taiwan; Department of Molecular Parasitology and Tropical Diseases, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chuen-Bin Jiang
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, MacKay Children's Hospital, Taipei, Taiwan; Department of Medicine, MacKay Medical College, New Taipei City, Taiwan
| | - Hsing-Cheng Hsi
- Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan
| | - Kai-Wei Liao
- School of Food Safety, College of Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Ling-Chu Chien
- School of Public Health, Taipei Medical University, Taipei, Taiwan; Neuroscience Research Center, Taipei Medical University, Taipei, Taiwan; Nutrition Research Center, Taipei Medical University Hospital, Taipei, Taiwan.
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43
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Rodent hair is a Poor biomarker for internal manganese exposure. Food Chem Toxicol 2021; 157:112555. [PMID: 34534608 DOI: 10.1016/j.fct.2021.112555] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/09/2021] [Accepted: 09/12/2021] [Indexed: 11/22/2022]
Abstract
Hair is used as a biomarker of manganese (Mn) exposure, yet there is limited evidence to support its utility to quantify internal vs external Mn exposure. C57BL/6 J mice and Sprague-Dawley rats were exposed in two blocks of 3 subcutaneous injections every 3 days starting on day 0 or 20. The control group received two blocks of saline (vehicle); Treatment A received the first block as Mn (50 mg/kg MnCl2 tetrahydrate), with the second block as either methylmercury (MeHg at 2.6 or 1.3 mg/kg) for mice or vehicle for rats; and Treatment B received Mn for both blocks. Hair was collected on days 0 and 60 from all treatment groups and Mn quantified by inductively coupled plasma-mass spectrometry (ICP-MS) and total Hg by Direct Mercury Analyzer (DMA). No correlation between internal Mn dose and hair Mn was observed, whereas hair Hg was significantly elevated in MeHg exposed vs non-exposed mice. Whole body Mn content at day 60 was quantified postmortem by neutron activation analysis, which detected significantly elevated Mn for Treatment B in mice and rats. Overall, we find no evidence to support the use of hair as a valid biomarker for internal exposure to Mn at a neurotoxic level.
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Mohammadi-Moghadam F, Karami Horestani M, Nourmoradi H, Heidari M, Sadeghi M, Ahmadi A, Fadaei A, Hemati S, Bagherzadeh F. Toxic and essential elements in drinking water, blood, hair and intestinal tissues of ulcerative colitis patients: probabilistic health risk assessment for drinking water consumers. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1895840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Fazel Mohammadi-Moghadam
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammad Karami Horestani
- Department of Gastroenterology and Hepatology, Shahrekord University of Medical Sciences, Shahrkord, Iran
| | - Heshmatollah Nourmoradi
- Department of Environmental Health Engineering, School of Health, Ilam University of Medical Sciences, Ilam, Iran
| | - Mohsen Heidari
- Department of Environmental Health Engineering, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mehraban Sadeghi
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Ahmadi
- Department of Epidemiology, Modeling in Health Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Abdolmajid Fadaei
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Sara Hemati
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Farideh Bagherzadeh
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Castro-Larragoitia J, Morton-Bermea O, Pérez-Rodríguez RY, Razo-Soto I, Montes-Ávila I, Hernández-Álvarez E, Arellano-Álvarez ÁA. Metal(loid) exposure on children from a historical metallurgical site. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:2803-2817. [PMID: 33411168 DOI: 10.1007/s10653-020-00795-w] [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: 07/17/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
The data obtained in this study represent a comprehensive assessment of human exposure to metal(loids) enriched in the environment, derived from metallurgical activities in Cedral, a town in North-Central Mexico. A multi-elemental analysis (As, Cd, Cr, Cu, Fe, Mn and Sb) shows high metal(loid) content in environmental media (tailings samples, dust samples and particulate matter < 2.5 µm collected in the urban area). Blood samples from school-age children were collected and analyzed to determine exposure levels. The assessment of the data obtained from this study shows that Sb and Cd are highly enriched elements in the environment of Cedral; their respective levels in the blood samples analyzed are 10.9 and 11.3 times higher than their pediatric reference levels. The statistical analysis indicates a strong relationship between metal(loid)s in blood samples and both dust and PM2.5 samples, which reveal that ingestion and inhalation could represent important exposure routes for metal(loid) intake. Continuous monitoring in the area is paramount to assess the health impact posed by the different routes of exposure. It is also important to implement health education programs to decrease the population's exposure to metal(loid)s and to design urgent remediation measures, to be implemented as soon as possible.
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Affiliation(s)
- Javier Castro-Larragoitia
- Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Manuel Nava 8, 78290, San Luis Potosí, Mexico.
| | - Ofelia Morton-Bermea
- Instituto de Geofísica, Universidad Nacional Autónoma de México, 04150, Mexico, DF, Mexico
| | | | - Israel Razo-Soto
- Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Manuel Nava 8, 78290, San Luis Potosí, Mexico
| | - Isidro Montes-Ávila
- Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Manuel Nava 8, 78290, San Luis Potosí, Mexico
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Verdonck J, Duca RC, Galea KS, Iavicoli I, Poels K, Töreyin ZN, Vanoirbeek J, Godderis L. Systematic review of biomonitoring data on occupational exposure to hexavalent chromium. Int J Hyg Environ Health 2021; 236:113799. [PMID: 34303131 DOI: 10.1016/j.ijheh.2021.113799] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 06/05/2021] [Accepted: 06/18/2021] [Indexed: 12/23/2022]
Abstract
Occupational exposure to hexavalent chromium (Cr(VI)) can cause serious adverse health effects such as lung cancer and irritation of the skin and airways. Although assessment of chromium (Cr) in urine is not specific for Cr(VI) exposure, the total amount of Cr in urine is the most used marker of exposure for biomonitoring of Cr(VI). The purpose of this systematic review was fourfold: (1) to assess current and recent biomonitoring levels in subjects occupationally exposed to Cr(VI), with a focus on urinary Cr levels at the end of a working week, (2) to identify variables influencing these biomonitoring levels, (3) to identify how urinary Cr levels correlate with other Cr(VI) exposure markers and (4) to identify gaps in the current research. To address these purposes, unpublished and published biomonitoring data were consulted: (i) unpublished biomonitoring data comprised urinary Cr levels (n = 3799) of workers from different industries in Belgium collected during 1998-2018, in combination with expert scores indicating jobs with Cr exposure and (ii) published biomonitoring data was extracted by conducting a systematic literature review. A linear mixed effect model was applied on the unpublished biomonitoring data, showing a decreasing time trend of 30% in urinary Cr levels. Considering the observed decreasing time trend, only articles published between January 1, 2010 and September 30, 2020 were included in the systematic literature search to assess current and recent biomonitoring levels. Twenty-five studies focusing on human biomonitoring of exposure to Cr(VI) in occupational settings were included. Overall, the results showed a decreasing time trend in urinary Cr levels and the need for more specific Cr(VI) biomarkers. Furthermore, this review indicated the importance of improved working conditions, efficient use of personal protective equipment, better exposure control and increased risk awareness to reduce Cr levels in biological matrices. Further investigation of the contribution of the different exposure routes is needed, so that better guidance on the use of control measures can be provided. In addition, this review support the call for more harmonization of human biomonitoring.
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Affiliation(s)
- Jelle Verdonck
- Environment and Health, Department of Public Health and Primary Care, KU Leuven, Kapucijnenvoer 35 Blok d-box 7001, Belgium.
| | - Radu-Corneliu Duca
- Environment and Health, Department of Public Health and Primary Care, KU Leuven, Kapucijnenvoer 35 Blok d-box 7001, Belgium; Unit Environmental Hygiene and Human Biological Monitoring, Department of Health Protection, National Health Laboratory, Dudelange, Luxembourg
| | - Karen S Galea
- Institute of Occupational Medicine (IOM), Research Avenue North, Riccarton, Edinburgh, EH14 4AP, UK
| | - Ivo Iavicoli
- Section of Occupational Medicine, Department of Public Health, University of Naples Federico II, Via S. Pansini 5, 80131, Naples, Italy
| | - Katrien Poels
- Environment and Health, Department of Public Health and Primary Care, KU Leuven, Kapucijnenvoer 35 Blok d-box 7001, Belgium
| | - Zehra Nur Töreyin
- Department of Occupational Health and Diseases, Adana City Research and Training Hospital, Adana, Turkey
| | - Jeroen Vanoirbeek
- Environment and Health, Department of Public Health and Primary Care, KU Leuven, Kapucijnenvoer 35 Blok d-box 7001, Belgium
| | - Lode Godderis
- Environment and Health, Department of Public Health and Primary Care, KU Leuven, Kapucijnenvoer 35 Blok d-box 7001, Belgium; IDEWE, External Service for Prevention and Protection at Work, Interleuvenlaan 58, 3001, Heverlee, Belgium
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Wongsasuluk P, Chotpantarat S, Siriwong W, Robson M. Human biomarkers associated with low concentrations of arsenic (As) and lead (Pb) in groundwater in agricultural areas of Thailand. Sci Rep 2021; 11:13896. [PMID: 34230564 PMCID: PMC8260595 DOI: 10.1038/s41598-021-93337-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 06/23/2021] [Indexed: 11/08/2022] Open
Abstract
Human biomarkers were used to evaluate the lead (Pb) and arsenic (As) exposure of local people who lived in an agricultural area with intense agrochemical usage and who consumed groundwater. Although the heavy metals/metalloids in the groundwater were at low concentrations, they could cause adverse effects due to a high daily water intake rate over the long term. Biomarkers (hair, fingernails and urine) were collected from 100 subjects along with the local shallow groundwater and tap water, which is the treated deep groundwater, and investigated for the concentrations of As and Pb. Shallow groundwater had an average pH of 5.21 ± 1.90, ranging from 3.77 to 8.34, with average concentrations of As and Pb of 1.311 µg/L and 6.882 µg/L, respectively. Tap water had an average pH of 5.24 ± 1.63, ranging from 3.86 to 8.89, with the average concentrations of As and Pb of 0.77 µg/L and 0.004 µg/L, respectively. The levels of both As and Pb in the hair, fingernails and urine of shallow groundwater-consuming residents were greater than those in the hair, fingernails and urine of tap water-consuming residents. Interestingly, the As level in urine showed a linear relationship with the As concentration in groundwater (R2 = 0.91). The average water consumption rate was approximately two-fold higher than the standard; thus, its consumption posed a health risk even at the low As and Pb levels in the groundwater. The hazard index (HI) ranged from 0.01 to 16.34 (average of 1.20 ± 2.50), which was higher than the acceptable level. Finally, the concomitant factors for As and Pb in the urine, hair and nails from both binary logistic regression and odds ratio (OR) analysis indicated that groundwater consumption was the major concomitant risk factor. This study suggested that direct consumption of this groundwater should be avoided and that the groundwater should be treated, especially before consumption. In conclusion, urine is suggested to be a biomarker of daily exposure to As and Pb, while for long-term exposure to these metals, fingernails are suggested as a better biomarker than hair.
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Affiliation(s)
- Pokkate Wongsasuluk
- International Postgraduate Programs in Environmental Management, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, 10330, Thailand
- College of Public Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Srilert Chotpantarat
- Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, 10330, Thailand.
- Department of Geology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Research Program on Controls of Hazardous Contaminants in Raw Water Resources for Water Scarcity Resilience, Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, 10330, Thailand.
- Research Unit Control of Emerging Micropollutants in Environment, Chulalongkorn University, Bangkok, Thailand.
| | - Wattasit Siriwong
- College of Public Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
- Thai Fogarty ITREOH Center, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Mark Robson
- Thai Fogarty ITREOH Center, Chulalongkorn University, Bangkok, 10330, Thailand
- New Jersey Agricultural Experiment Station, Rutgers University, New Brunswick, NJ, USA
- School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ, USA
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48
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Scott NB, Pocock NS. The Health Impacts of Hazardous Chemical Exposures among Child Labourers in Low- and Middle-Income Countries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:5496. [PMID: 34065553 PMCID: PMC8160821 DOI: 10.3390/ijerph18105496] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/30/2021] [Accepted: 05/05/2021] [Indexed: 12/21/2022]
Abstract
Of 218 million working children worldwide, many are suspected to be exposed to hazardous chemicals. This review aims to synthesize reported evidence over the last two decades on chemical exposure and adverse health consequences in children labourers in low- and middle-income Countries (LMIC). Included studies investigated health outcomes related to chemical exposures among child labourers aged 5-18 in LMIC. Twenty-three papers were selected for review, focusing on pesticides (n = 5), solvents (n = 3), metals (n = 13) and persistent organic pollutants (POPs) (n = 2). Adverse health effects identified among child labourers included abnormal biomarkers, for example elevated blood and urine chemical concentrations, neurobehavioural deficits and neurological symptoms, mental health issues, oxidative stress and DNA damage, poor growth, asthma, and hypothyroidism. Workplace exposure to chemicals has pernicious health effects on child labourers. Large research gaps exist, in particular for long-term health impacts through chronic conditions and diseases with long latencies. A sizeable disease burden in later life is likely to be directly attributable to chemicals exposures. We urge national and international agencies concerned with child labour and occupational health, to prioritize research and interventions aiming to reduce noxious chemical exposures in workplaces where children are likely to be present.
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Affiliation(s)
| | - Nicola S. Pocock
- Lumos Foundation, London EC3R 8NB, UK;
- Gender Violence & Health Centre, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
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49
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Joda BA, Ward NI. Use of human teardrop fluid for the determination of trace elements in healthy individuals and diabetic patients. J Trace Elem Med Biol 2021; 65:126733. [PMID: 33607356 DOI: 10.1016/j.jtemb.2021.126733] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 12/11/2020] [Accepted: 02/08/2021] [Indexed: 01/16/2023]
Abstract
BACKGROUND The use of unconventional biological materials in human trace element studies has increased in terms of published research studies. The aim of present study was to develop and validate the use of teardrop fluid for determining trace element levels in the human body. No study has been published in this area yet. This is a new non-invasive approach in the possible early diagnosis of the pathogenesis of type 2 diabetes. MATERIALS AND METHODS Human teardrop fluid samples were obtained from Karbala (Iraq) (n = 111) healthy individuals and with type 2 diabetes (n = 44); and London (UK) healthy individuals (n = 18). The levels of V, Cr, Mn, Fe, Cu, Zn, As, Sr and Cd were determined using an inductively coupled plasma mass equipped with collision cell technology for polyatomic ion correction (ICP-MS). STATISTICAL ANALYSIS Discriminate function analysis (DFA) was carried out to determine the set of variables that discriminated between the trace elements in teardrop fluid samples from healthy individuals and diabetic patients. RESULTS The trace element levels of human teardrop fluid are similar for many elements to that reported for human blood serum in the literature. This is interesting since they have different physiological functions, although overall they are mainly water containing electrolytes (∼ 90 %) and solids (antibodies, hormones, etc). In general, for the study groups in Karbala, Iraq, significantly higher teardrop fluid levels of Mn and Sr were found in type 2 diabetic patients when compared with healthy individuals (evaluated using an F-test and a two-tailed t-test). The levels of V, Cu and As were found to be significantly higher (P < 0.05) in healthy individuals than type 2 diabetic patients. Although the levels of Fe and Zn were slightly higher in type 2 diabetic patients than healthy cases, the differences were not statistically significant (P > 0.05). Cr and Cd were found to have similar levels for both study groups. Significantly higher teardrop fluid levels of V, Cr, Mn, Fe, Zn, As and Sr were found in healthy individuals from Karbala (Iraq) when compared with those from London (UK). In contrast, the levels of Cd observed to be significantly higher in London (UK) than Karbala. No statistical difference was found for Cu between the two healthy groups. STATISTICAL ANALYSIS Discriminate analysis showed that human teardrop fluid V, Mn, Zn, As, Sr and Cd levels could be used to discriminate between healthy and type 2 diabetes study groups in Karbala, Iraq (83 % of cases correctly classified). CONCLUSION The use of human teardrop fluid for determining the trace element levels of human health conditions has been evaluated. Trace elemental levels are like that for blood serum which is widely used as an invasive method for assessing human health conditions. Sample collection for teardrop fluid is non-invasive and the application has potential for determining the trace element levels in healthy individuals and disorder conditions (like type 2 diabetes) in countries where cultural and gender sensitivity are issues with respect to the collection methods used for other body fluid samples.
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Affiliation(s)
- Baker A Joda
- Department of Chemistry, Faculty of Science, University of Kerbala, Karbala, Iraq.
| | - Neil I Ward
- ICP-MS Facility, Department of Chemistry, Faculty of Engineering and Physical Sciences, Guildford, Surrey, GU2 7XH, UK.
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50
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Alvarez CC, Bravo Gómez ME, Hernández Zavala A. Hexavalent chromium: Regulation and health effects. J Trace Elem Med Biol 2021; 65:126729. [PMID: 33610058 DOI: 10.1016/j.jtemb.2021.126729] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 01/20/2021] [Accepted: 02/06/2021] [Indexed: 12/16/2022]
Abstract
Despite the knowledge about heavy metals toxicity on humans, its use is widely spread mainly for industrial processes. Chromium is an element that belongs to this group and although it is present in our daily diet, it can also be harmful for humans, causing skin allergies and increasing the risk of lung cancer, among other health effects reported. In this review, we highlight its nutritional role, its toxicokinetic and toxicodynamic in humans, its regulation in the industry and the biomonitoring proposal of this element in blood and urine samples with the aim to control the level of exposure of the workers in military industry and also of the general population.
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Affiliation(s)
- Carla Cedillo Alvarez
- Escuela Militar de Medicina, Universidad del Ejército y Fuerza Aérea, Secretaría de la Defensa Nacional, Mexico; Laboratorio de Morfología Celular, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico
| | - María Elena Bravo Gómez
- Laboratorio de Toxicología y Química y Toxicología Forense, Ciencia Forense, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico
| | - Araceli Hernández Zavala
- Laboratorio de Morfología Celular, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico.
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