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Liu M, Guo W, Li M, Yang H, Lai X, Yang L, Zhang X. Physical activity modified association of urinary metals mixture and fasting blood glucose in children: From two panel studies. ENVIRONMENTAL RESEARCH 2024; 252:118767. [PMID: 38527725 DOI: 10.1016/j.envres.2024.118767] [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: 12/13/2023] [Revised: 02/23/2024] [Accepted: 03/19/2024] [Indexed: 03/27/2024]
Abstract
There is unclear evidence available on the associations between multiple metals and fasting blood glucose (FBG) in children, and whether they could be beneficial from physical activity. We included 283 children aged 4-12 years from two panel studies with 4-consecutive morning urinary 13 essential metals and 10 non-essential metals repeated across 3 seasons. We employed multiple informant model, linear mixed-effect model, and quantile g-computation to evaluate associations of single metal and their mixture with FBG and interactions with extra-school activity. The results showed that positive relations of multiple essential metals (aluminum, chromium, copper, iron, molybdenum (Mo), nickel, selenium (Se), strontium, zinc) and non-essential metals (arsenic (As), cadmium (Cd), rubidium, titanium (Ti), thallium) with FBG were the strongest at lag 0 (the health examination day), especially in overweight & obesity children (FDR <0.05). The strongest effect presented 1-fold increment in As was related to FBG increased 1.66% (95%CI: 0.84%, 2.48%) in overweight & obesity children. Notably, modification of extra-school activity showed significant, and the effects of multiple metals on FBG were attenuated in children taking total extra-school activity ≥1 h/day, and only one type of which, low or moderate & high intensity extra-school activity reached 20 min/day (Pint <0.05). For instance, each 1-fold increased As was associated with 1.41% increased FBG in overall children taking total extra-school activity <1 h/day, while that of 0.13% in those ≥1 h/day. Meanwhile, mixture of all, essential and non-essential metals were associated with increased FBG, a trend that decreased and became nonsignificant in children having certain extra-school activity, which were dominated by Mo, Se, Ti, Cd. And such relations were substantially beneficial from extra-school activity in overweight & obesity children. Accordingly, multiple essential and non-essential metals, both individual and in mixture, were positively related to FBG in children, which might be attenuated by regular physical activity.
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Affiliation(s)
- Miao Liu
- Department of Epidemiology, School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen, Guangdong, China; Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Wenting Guo
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Meng Li
- School of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Huihua Yang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xuefeng Lai
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Liangle Yang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaomin Zhang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Cheng Z, Kong Y, Yang W, Xu H, Tang D, Zuo Y. Association between serum copper and blood glucose: a mediation analysis of inflammation indicators in the NHANES (2011-2016). Front Public Health 2024; 12:1401347. [PMID: 38855446 PMCID: PMC11157037 DOI: 10.3389/fpubh.2024.1401347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/07/2024] [Indexed: 06/11/2024] Open
Abstract
Background The rising prevalence of diabetes underscores the need for identifying effective prevention strategies. Recent research suggests environmental factors, particularly heavy metals like copper, significantly influence health outcomes, including diabetes, through mechanisms involving inflammation and oxidative stress. This study aims to explore how serum copper levels affect blood glucose, employing NHANES data from 2011 to 2016, to provide insights into environmental health's role in diabetes prevention and management. Methods The study analyzed data from 2,318 NHANES participants across three cycles (2011-2016), focusing on those with available data on serum copper, inflammatory markers, and blood glucose levels. We utilized principal component analysis for selecting inflammatory markers, mediation analysis to examine direct and indirect effects, multiple linear regression for assessing relationships between markers and glucose levels, and weighted quantile sum regression for evaluating individual and collective marker effects, adjusting for demographic variables and serum copper. Results Participants averaged 42.70 years of age, with a near-even split between genders. Average serum copper was 119.50 μg/dL, white blood cell count 6.82 × 109/L, and fasting blood glucose 107.10 mg/dL. Analyses identified significant mediation by inflammatory markers (especially white blood cells: 39.78%) in the copper-blood glucose relationship. Regression analyses highlighted a positive correlation between white blood cells (estimate: 1.077, 95% CI: 0.432 to 2.490, p = 0.013) and copper levels and a negative correlation for monocyte percentage (estimate: -1.573, 95% CI: 0.520 to -3.025, p = 0.003). Neutrophil percentage was notably influential in glucose levels. Sensitive analyses confirmed the study's findings. Conclusion Serum copper levels significantly impact blood glucose through inflammatory marker mediation, highlighting the importance of considering environmental factors in diabetes management and prevention. These findings advocate for public health interventions and policies targeting environmental monitoring and heavy metal exposure reduction, emphasizing the potential of environmental health measures in combating diabetes incidence.
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Affiliation(s)
- Zijing Cheng
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Yuzhe Kong
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Wenqi Yang
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Haitao Xu
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Decheng Tang
- Department of Management Science, School of Management, Fudan University, Shanghai, China
| | - Yu Zuo
- Third Xiangya Hospital, Central South University, Changsha, China
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Yim G, Margetaki K, Romano ME, Kippler M, Vafeiadi M, Roumeliotaki T, Bempi V, Farzan SF, Chatzi L, Howe CG. Metal mixture exposures and serum lipid levels in childhood: the Rhea mother-child cohort in Greece. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2024:10.1038/s41370-024-00674-x. [PMID: 38698271 DOI: 10.1038/s41370-024-00674-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND Growing evidence suggests that cardiovascular disease develops over the lifetime, often beginning in childhood. Metal exposures have been associated with cardiovascular disease and important risk factors, including dyslipidemia, but prior studies have largely focused on adult populations and single metal exposures. OBJECTIVE To investigate the individual and joint impacts of multiple metal exposures on lipid levels during childhood. METHODS This cross-sectional study included 291 4-year-old children from the Rhea Cohort Study in Heraklion, Greece. Seven metals (manganese, cobalt, selenium, molybdenum, cadmium, mercury, and lead) were measured in whole blood using inductively coupled plasma mass spectrometry. Serum lipid levels included total cholesterol, triglycerides, high-density lipoprotein (HDL) cholesterol, and low-density lipoprotein (LDL) cholesterol. To determine the joint and individual impacts of child metal exposures (log2-transformed) on lipid levels, Bayesian kernel machine regression (BKMR) was employed as the primary multi-pollutant approach. Potential effect modification by child sex and childhood environmental tobacco smoke exposure was also evaluated. RESULTS BKMR identified a positive association between the metal mixture and both total and LDL cholesterol. Of the seven metals examined, selenium (median 90.6 [IQR = 83.6, 96.5] µg/L) was assigned the highest posterior inclusion probability for both total and LDL cholesterol. A difference in LDL cholesterol of 8.22 mg/dL (95% CI = 1.85, 14.59) was observed when blood selenium was set to its 75th versus 25th percentile, holding all other metals at their median values. In stratified analyses, the positive association between selenium and LDL cholesterol was only observed among boys or among children exposed to environmental tobacco smoke during childhood. IMPACT STATEMENT Growing evidence indicates that cardiovascular events in adulthood are the consequence of the lifelong atherosclerotic process that begins in childhood. Therefore, public health interventions targeting childhood cardiovascular risk factors may have a particularly profound impact on reducing the burden of cardiovascular disease. Although growing evidence supports that both essential and nonessential metals contribute to cardiovascular disease and risk factors, such as dyslipidemia, prior studies have mainly focused on single metal exposures in adult populations. To address this research gap, the current study investigated the joint impacts of multiple metal exposures on lipid concentrations in early childhood.
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Affiliation(s)
- Gyeyoon Yim
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Dartmouth College, Lebanon, NH, USA.
| | - Katerina Margetaki
- Clinic of Preventive Medicine and Nutrition, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Megan E Romano
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Dartmouth College, Lebanon, NH, USA
| | - Maria Kippler
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Marina Vafeiadi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Theano Roumeliotaki
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Vicky Bempi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Shohreh F Farzan
- Department of Population and Public Health Sciences, Division of Environmental Health, University of Southern California, Los Angeles, CA, USA
| | - Leda Chatzi
- Department of Population and Public Health Sciences, Division of Environmental Health, University of Southern California, Los Angeles, CA, USA
| | - Caitlin G Howe
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Dartmouth College, Lebanon, NH, USA
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Zhao H, Peng J. The Association Between Blood Mercury and Lipid Biomarkers in US Hypertensive Adults. Biol Trace Elem Res 2024:10.1007/s12011-024-04103-w. [PMID: 38368312 DOI: 10.1007/s12011-024-04103-w] [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: 10/24/2023] [Accepted: 02/09/2024] [Indexed: 02/19/2024]
Abstract
Mercury (Hg) is detrimental to human health, but its impact on lipid biomarkers remains a subject of controversy. This study sought to delineate a clear link between blood Hg and lipid biomarkers correlated with cardiovascular disease (CVD), including total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), and triglycerides (TG), in hypertensive adults in the USA. METHODS This cross-sectional research gathered data from a total of 4415 participants sourced from the National Health and Nutrition Examination Survey (NHANES). The Holm-Bonferroni stepdown procedure was utilized to control the type I error rate in multiple comparisons. We employed multivariable linear regression models to assess the correlation between blood Hg and lipid biomarkers. Subsequently, subgroup analyses were conducted, categorized by both gender and race. Additionally, we used smooth curve fittings and generalized additive models to confirm the presence of non-linear relationships. When non-linearity was detected, we applied a recursive algorithm to calculate the inflection points. Finally, we established a weighted two-piecewise linear regression model to illustrate the associations on either side of the inflection point. RESULTS In our multivariable linear regression models, clear associations emerged. Specifically, positive correlations were observed between blood mercury and TC (β = 0.025; 95% CI 0.009 to 0.041; corrected P = 0.011), LDL-C (β = 0.022; 95% CI 0.007 to 0.036; corrected P = 0.012), and HDL-C (β = 0.007; 95% CI 0.001 to 0.013; corrected P = 0.058). However, there was no significant correlation with TG (β = - 0.007; 95% CI - 0.018 to 0.004; corrected P = 0.526). Notably, it has been demonstrated that distinct inverted U-shaped and U-shaped curves exist when stratified by gender in our analysis. CONCLUSIONS Blood Hg exhibited a positive correlation with TC, LDL-C, and HDL-C in hypertensive adults in the USA. Nonetheless, no significant association was observed with TG.
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Affiliation(s)
- Hang Zhao
- Department of Cardiology, Anqing First People's Hospital of Anhui Medical University, Anqing, 246003, China
- The Fifth Clinical College of Anhui Medical University, Hefei, 230032, China
| | - Jiecheng Peng
- Department of Cardiology, Anqing First People's Hospital of Anhui Medical University, Anqing, 246003, China.
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Abasilim C, Persky V, Turyk ME. Association of Blood Total Mercury with Dyslipidemia in a sample of U.S. Adolescents: Results from the National Health and Nutrition Examination Survey Database, 2011-2018. HYGIENE AND ENVIRONMENTAL HEALTH ADVANCES 2023; 6:100047. [PMID: 38617034 PMCID: PMC11014419 DOI: 10.1016/j.heha.2023.100047] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Background Abnormal lipid profiles in adolescents predict metabolic and cardiovascular diseases in adulthood. While seafood consumption is the primary source of mercury exposure, it also provides beneficial nutrients such as omega-3 fatty acids (O3FA). Prior studies indicate that blood total mercury (TBHg) has endocrine disrupting effects and may be associated with abnormal lipid profiles in adolescents. However, the impact of beneficial nutrients on this relationship has not been examined. Our study investigated the relationship of TBHg with dyslipidemia and lipid profiles and potential confounding and modification of these relationships by sex, body mass index (BMI), selenium and O3FA from seafood consumption. Methods We examined 1,390 National Health and Nutrition Examination Survey participants 12-19 years of age from the 2011-2018 cycles. Using logistic and linear regression adjusted for survey design variables and stratified by sex a priori, we estimated the associations of TBHg and methylmercury with dyslipidemia, and with total cholesterol (TC), high (HDL-C) and low-density lipoprotein cholesterol (LDL-C) and triglycerides. Results The geometric mean of TBHg in this adolescent population was 0.44 μg/L. After controlling for socio-demographic covariates, BMI, serum selenium, age at menarche (females only) and average daily intake of O3FA; TBHg was significantly associated with higher TC levels (β=3.34, 95% CI: 0.19, 6.50; p<0.05) in females but not males. Methyl Hg was also associated with increased TC, as well as decreased HDL-C in females but not males. We did not find significant associations of Hg exposure with dyslipidemia, LDL-C or triglycerides levels in either male or female adolescents. However, we observed evidence of effect modification by BMI and serum selenium for associations of TBHg with TC levels in male and female adolescents, respectively. Conclusion Our findings of elevated TC levels in females but not males necessitates further research to better understand the underlying mechanisms driving these sex-specific associations.
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Affiliation(s)
- Chibuzor Abasilim
- Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois Chicago, Chicago, IL
| | - Victoria Persky
- Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois Chicago, Chicago, IL
| | - Mary E. Turyk
- Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois Chicago, Chicago, IL
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Ye Y, Chen Y, Wu H, Fu Y, Sun Y, Wang X, Li P, Wu Z, Wang J, Yang Z, Zhou E. Investigations into ferroptosis in methylmercury-induced acute kidney injury in mice. ENVIRONMENTAL TOXICOLOGY 2023; 38:1372-1383. [PMID: 36880449 DOI: 10.1002/tox.23770] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/10/2023] [Accepted: 02/20/2023] [Indexed: 05/18/2023]
Abstract
Methylmercury (MeHg) is a highly poisonous form of mercury and a risk factor for kidney impairment in humans that currently has no effective means of therapy. Ferroptosis is a non-apoptotic metabolic cell death linked to numerous diseases. It is currently unknown whether ferroptosis takes part in MeHg-induced kidney damage. Here, we established a model of acute kidney injury (AKI) in mice by gavage with different doses of MeHg (0, 40, 80, 160 μmol/kg). Serological analysis revealed elevated levels of UA, UREA, and CREA; H&E staining showed variable degrees of renal tubule injury; qRT-PCR detection displayed increased expression of KIM-1 and NGAL in the groups with MeHg treatment, indicated that MeHg successfully induced AKI. Furthermore, MDA levels enhanced in renal tissues of mice with MeHg exposure whereas GSH levels decreased; ACSL4 and PTGS2 nucleic acid levels elevated while SLC7A11 levels reduced; transmission electron microscopy illustrated that the density of the mitochondrial membrane thickened and the ridge reduced considerably; protein levels for 4HNE and TfR1 improved since GPX4 levels declined, all these results implying the involvement of ferroptosis as a result of MeHg exposure. Additionally, the observed elevation in the protein levels of NLRP3, p-p65, p-p38, p-ERK1/2, and KEAP1 in tandem with downregulated Nrf2 expression levels indicate the involvement of the NF-κB/NLRP3/MAPK/Nrf2 pathways. All the above findings suggested that ferroptosis and the NF-κB/NLRP3/MAPK/Nrf2 pathways are implicated in MeHg-induced AKI, thereby providing a theoretical foundation and reference for future investigations into the prevention and treatment of MeHg-induced kidney injury.
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Affiliation(s)
- Yingrong Ye
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Yichun Chen
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Hanpeng Wu
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Yiwu Fu
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Youpeng Sun
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Xia Wang
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Peixuan Li
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Zhikai Wu
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Jingjing Wang
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Zhengtao Yang
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
| | - Ershun Zhou
- College of Life Sciences and Engineering, Foshan University, Foshan, Guangdong Province, People's Republic of China
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Wang K, Mao Y, Liu Z, Li Y, Li Z, Sun Y, Ding Y, Liu X, Hong J, Xu D, Zhang J. Association of Blood Heavy Metal Exposure with Atherosclerotic Cardiovascular Disease (ASCVD) Among White Adults: Evidence from NHANES 1999-2018. Biol Trace Elem Res 2022:10.1007/s12011-022-03537-4. [PMID: 36542304 DOI: 10.1007/s12011-022-03537-4] [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: 10/22/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Cardiovascular diseases (CVD) are main public health concerns highly prevalent in industrialized societies where human health is threatened by a series of environmental pollutants, particularly heavy metal contaminants. We aimed to find out if blood heavy metals are associated with the 10-year risk of atherosclerotic cardiovascular disease (ASCVD) in a nationally representative sample of US adults. We analyzed the cross-sectional data on blood heavy metals of 3268 non-Hispanic white participants aged 40-79 years from the National Health and Nutrition Examination Survey (NHANES) 1999-2018. We introduced a risk estimation algorithm, namely the 2013 Pooled Cohort Equations (PCE), to assess the risk for ASCVD over a 10-year period. The 10-year risk for ASCVD was categorized as either reduced risk (< 7.5% risk) or elevated risk (≥ 7.5% risk). Blood lead, cadmium, and mercury were distributed into four quartiles. We used weighted multivariate logistic regression models and restricted cubic spline (RCS) regression to detect the association of blood heavy metal exposure with 10-year ASCVD risk. Following the adjustment of covariates, the adjusted odds ratios (ORs) with 95% confidence intervals (CIs) for elevated 10-year ASCVD risk for participants from the highest quartiles were 4.50 (2.88-7.02), 2.59 (1.68-4.00), and 1.06 (0.66-1.71) for blood cadmium, lead, and mercury compared to the lowest quartiles, respectively. The RCS plot demonstrated that blood cadmium was linearly and positively associated with 10-year ASCVD risk (P for nonlinearity = 0.112). According to our findings, non-Hispanic whites aged 40-79 years had a greater 10-year ASCVD risk as their blood lead and cadmium levels increased. Consequently, when establishing approaches for ASCVD prevention, blood heavy metals should be considered.
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Affiliation(s)
- Kai Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Yukang Mao
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
- Department of Cardiology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, 215000, Jiangsu, China
| | - Zheng Liu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Yansong Li
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Zhongming Li
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Yan Sun
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Yinzhang Ding
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Xianling Liu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Jian Hong
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Di Xu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China.
| | - Jing Zhang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China.
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Wu S, Yin Y, Sun C, Song W. Efficient Synthesis of Highly Photo‐stable N‐doped Carbon Quantum Dots and their Applications in Detection and Cellular Imaging of Mercury Ions. ChemistrySelect 2022. [DOI: 10.1002/slct.202202540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Shunwei Wu
- School of Chemical Engineering Qinghai University Xining 810016 China
| | - Yongzheng Yin
- School of Chemical Engineering Qinghai University Xining 810016 China
| | - Chunyan Sun
- School of Chemical Engineering Qinghai University Xining 810016 China
| | - Weijun Song
- School of Chemical Engineering Qinghai University Xining 810016 China
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Jin T, Park EY, Kim B, Oh JK. Association between Blood Mercury Concentration and Prevalence of Borderline Hypercholesterolemia among Adolescents: The Korea National Health and Nutrition Examination Survey (KNHANES) 2010-2013 and 2016. TOXICS 2021; 9:toxics9100242. [PMID: 34678938 PMCID: PMC8539976 DOI: 10.3390/toxics9100242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/27/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022]
Abstract
There is limited evidence on the association between blood mercury (Hg) concentration and the risk of borderline dyslipidemia in adolescents. Here, we investigated the association between blood Hg concentration and the prevalence of borderline dyslipidemia among Korean adolescents. A total of 1559 participants (806 boys and 753 girls) aged 10–18 years who cross-sectionally enrolled in the Korea National Health and Nutrition Examination Survey (KNHANES) 2010–2013 and 2016 were included in this study. Hg concentrations (µg/L) in whole blood samples were measured. The geometric mean (GM) of the blood Hg concentration was 1.88 µg/L. It showed a 63% higher prevalence of borderline hypercholesterolemia (total cholesterol (TC) 170–199 mg/dL) per unit of natural log-transformed blood Hg concentration in boys (95% CI = 1.10–2.41), but not in girls. When a categorical model was applied, the positive association with the prevalence of borderline hypercholesterolemia was also persistant in boys (OR (95% CI) for 2nd and 3rd tertiles (Hg concentration 1.532–11.761 µg/L) vs. 1st tertile (Hg concentration 0.192–1.531 µg/L): 1.92 (1.19–3.10)), but not in girls. This finding suggests that blood Hg concentration might result in a higher prevalence of borderline hypercholesterolemia among adolescents and more stringent public health actions should be taken for the reduction of Hg exposure to prevent dyslipidemia from early-childhood, despite the need of further study to evaluate a causal relationship between blood Hg concentration and the risk of dyslipidemia.
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Affiliation(s)
- Taiyue Jin
- Division of Cancer Prevention, National Cancer Control Institute, National Cancer Center, Goyang-si 10408, Gyeonggi-do, Korea; (T.J.); (B.K.); (J.-K.O.)
| | - Eun Young Park
- Division of Cancer Prevention, National Cancer Control Institute, National Cancer Center, Goyang-si 10408, Gyeonggi-do, Korea; (T.J.); (B.K.); (J.-K.O.)
- Correspondence: ; Tel.: +82-31-920-2930
| | - Byungmi Kim
- Division of Cancer Prevention, National Cancer Control Institute, National Cancer Center, Goyang-si 10408, Gyeonggi-do, Korea; (T.J.); (B.K.); (J.-K.O.)
| | - Jin-Kyoung Oh
- Division of Cancer Prevention, National Cancer Control Institute, National Cancer Center, Goyang-si 10408, Gyeonggi-do, Korea; (T.J.); (B.K.); (J.-K.O.)
- Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si 10408, Gyeonggi-do, Korea
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Fowler J, Tsui MTK, Chavez J, Khan S, Ahmed H, Smith L, Jia Z. Methyl mercury triggers endothelial leukocyte adhesion and increases expression of cell adhesion molecules and chemokines. Exp Biol Med (Maywood) 2021; 246:2522-2532. [PMID: 34308659 DOI: 10.1177/15353702211033812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cardiovascular disease is the leading cause of morbidity, mortality, and health care costs in the USA, and around the world. Among the various risk factors of cardiovascular disease, environmental and dietary exposures to methyl mercury, a highly toxic metal traditionally labeled as a neurotoxin, have been epidemiologically linked to human cardiovascular disease development. However, its role in development and promotion of atherosclerosis, an initial step in more immediately life-threatening cardiovascular diseases, remains unclear. This study was conducted to examine the role that methyl mercury plays in the adhesion of monocytes to human microvascular endothelial cells (HMEC-1), and the underlying mechanisms. Methyl mercury treatment significantly induced the adhesion of monocyte to HMEC-1 endothelial cells, a critical step in atherosclerosis, while also upregulating the expression of proinflammatory cytokines interleukin-6, interleukin-8. Further, methyl mercury treatment also upregulated the chemotactic cytokine monocyte chemoattractant protein-1 and intercellular adhesion molecule-1. These molecules are imperative for the firm adhesion of leukocytes to endothelial cells. Additionally, our results further demonstrated that methyl mercury stimulated a significant increase in NF-κB activation. These findings suggest that NF-κB signaling pathway activation by methyl mercury is an important factor in the binding of monocytes to endothelial cells. Finally, by using flow cytometric analysis, methyl mercury treatment caused a significant increase in necrotic cell death only at higher concentrations without initiating apoptosis. This study provides new insights into the molecular actions of methyl mercury that can lead to endothelial dysfunction, inflammation, and subsequent atherosclerotic development.
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Affiliation(s)
- Joshua Fowler
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA
| | - Martin Tsz-Ki Tsui
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA.,School of Life Sciences, Chinese University of Hong Kong, Hong Kong SAR 00000, China
| | - Jessica Chavez
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA
| | - Safeera Khan
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA
| | - Hassan Ahmed
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA
| | - Lena Smith
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA
| | - Zhenquan Jia
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC 27410, USA
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11
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Krupnova TG, Rakova OV, Gavrilkina SV, Antoshkina EG, Baranov EO, Yakimova ON. Road dust trace elements contamination, sources, dispersed composition, and human health risk in Chelyabinsk, Russia. CHEMOSPHERE 2020; 261:127799. [PMID: 32739694 DOI: 10.1016/j.chemosphere.2020.127799] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 07/08/2020] [Accepted: 07/21/2020] [Indexed: 05/11/2023]
Abstract
There are many sources of urban road dust, such as soil dispersal, emissions of industrial enterprises and thermal power plants, road traffic-related processes. Chelyabinsk was selected as a typical Russian industrial city. This work was the first pollution study of road dust in Chelyabinsk. We examined 125 road dust samples were on the content toxic trace elements (As, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, Sr, and Zn). The concentrations of trace elements in road dust were determined using ICP-MS. Results showed that the metal concentrations in dust were higher than the background value of local soil. The distribution curves of dust were asymmetric, had have two peaks, and showed significant unimodal distribution. The higher share of particles was in the range from 30 … 40 to 250 … 300 μm. The thoracic fraction volume (%) and concentrations of trace elements were higher near metallurgical plants. Cadmium, Сu, Mn, Ni, Sr, Pb and Zn were originated from industry and transport; electrometallurgical plant was source of Cr; Al, Co, and Fe derived from local soils and pavement erosion; As, Hg and Sb were the tracers of coal-fired power stations emission. Ingestion was a major exposure way of toxic elements in the dust. The results suggested that there was no significant potential health risk to both children and adults from exposure to any elements in road dust. The cancer risk for adults and children from exposure to As, Cd, Cr, and Pb was found to be at the acceptable or tolerable level. The study deals with the contamination of potentially toxic trace elements (As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Sb, Sr and Zn) in road dust collected from Chelyabinsk urban area.
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Affiliation(s)
- Tatyana G Krupnova
- Chemistry Department, South Ural State University, 454080, Chelyabinsk, Russian Federation.
| | - Olga V Rakova
- Chemistry Department, South Ural State University, 454080, Chelyabinsk, Russian Federation
| | - Svetlana V Gavrilkina
- South Urals Federal Research Center of Mineralogy and Geoecology of the Urals Branch of the Russian Academy of Sciences, Ilmen Reserve, 456317, Miass, Russian Federation
| | - Elizaveta G Antoshkina
- Chemistry Department, South Ural State University, 454080, Chelyabinsk, Russian Federation
| | - Evgeny O Baranov
- Chemistry Department, South Ural State University, 454080, Chelyabinsk, Russian Federation
| | - Olga N Yakimova
- Chemistry Department, South Ural State University, 454080, Chelyabinsk, Russian Federation
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12
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Silva JL, Leocádio PCL, Reis JM, Campos GP, Capettini LSA, Foureaux G, Ferreira AJ, Windmöller CC, Santos FA, Oriá RB, Crespo-López ME, Alvarez-Leite JI. Oral methylmercury intoxication aggravates cardiovascular risk factors and accelerates atherosclerosis lesion development in ApoE knockout and C57BL/6 mice. Toxicol Res 2020; 37:311-321. [PMID: 34295795 DOI: 10.1007/s43188-020-00066-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/09/2020] [Accepted: 09/23/2020] [Indexed: 01/08/2023] Open
Abstract
Methylmercury (MeHg) intoxication is associated with hypertension, hypercholesterolemia, and atherosclerosis by mechanisms that are not yet fully understood. We investigated the effects of MeHg intoxication in atherosclerosis-prone (ApoE-KO) and resistant C57BL/6 mice. Mice were submitted to carotid stenosis surgery (to induce atherosclerosis faster) and received water or MeHg solution (20 mg/L) for 15 days. Tail plethysmography was performed before and after MeHg exposure. Food and MeHg solution intakes were monitored weekly. On the 15th day, mice were submitted to intravital fluorescence microscopy of mesenteric vasculature to observe in vivo leukocyte rolling and adhesion. Results showed that despite the high hair and liver Hg concentrations in the MeHg group, food and water (or MeHg solution) consumption and liver function marker levels were similar to those in controls. MeHg exposure increased total cholesterol, the atherogenic (non-HDL) fraction and systolic and diastolic blood pressure. MeHg exposure also induced inflammation, as seen by the increased rolling and adhered leukocytes in the mesenteric vasculature. Atherosclerosis lesions were more extensive in the aorta and carotid sites of MeHg-ApoE knockout mice. Surprisingly, MeHg exposure also induced atherosclerosis lesions in C57BL/6 mice, which are resistant to atherosclerosis formation. We concluded that MeHg intoxication might represent a risk for cardiovascular diseases since it accelerates atherogenesis by exacerbating several independent risk factors.
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Affiliation(s)
- Janayne L Silva
- Departamento de Bioquímica e Imunologia ICB/UFMG Caixa Postal 486, Belo Horizonte, MG CEP 30161-970 Brazil
| | - Paola C L Leocádio
- Departamento de Nutrição e Saúde, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais Brazil
| | - Jonas M Reis
- Departamento de Bioquímica e Imunologia ICB/UFMG Caixa Postal 486, Belo Horizonte, MG CEP 30161-970 Brazil
| | - Gianne P Campos
- Departamento de Fisiologia e Biofísica, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais Brazil
| | - Luciano S A Capettini
- Departamento de Fisiologia e Biofísica, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais Brazil
| | - Giselle Foureaux
- Departamento de Morfologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais Brazil
| | - Anderson J Ferreira
- Departamento de Morfologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais Brazil
| | - Cláudia C Windmöller
- Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais Brazil
| | - Flávia A Santos
- Departamento de Morfologia, Universidade Federal Do Ceará, Fortaleza, Ceará Brazil
| | - Reinaldo B Oriá
- Departamento de Morfologia, Universidade Federal Do Ceará, Fortaleza, Ceará Brazil
| | - Maria E Crespo-López
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Pará Brazil
| | - Jacqueline I Alvarez-Leite
- Departamento de Bioquímica e Imunologia ICB/UFMG Caixa Postal 486, Belo Horizonte, MG CEP 30161-970 Brazil
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Farkhondeh T, Afshari R, Mehrpour O, Samarghandian S. Mercury and Atherosclerosis: Cell Biology, Pathophysiology, and Epidemiological Studies. Biol Trace Elem Res 2020; 196:27-36. [PMID: 31529242 DOI: 10.1007/s12011-019-01899-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 09/09/2019] [Indexed: 12/21/2022]
Abstract
Today atherosclerosis is considered as a main cause of death in the worldwide. There is a significant association between heavy metal exposure and atherosclerosis. In this study, we discussed the scientific literature about the effect of mercury on the pathogenesis of atherosclerosis. We also considered the epidemiological studies on mercury as a risk factor for atherosclerosis. Web of Science, Google Scholar, Medline, PubMed, and Scopus were searched by using the following keywords to 2019: (cardiovascular diseases OR atherosclerosis OR endothelial dysfunction) AND (mercury). Mercury has the potential to act as one of the novel risk factors for atherosclerosis development. The findings have indicated the role of mercury in the pathogenesis of atherosclerosis, vascular endothelial dysfunction, oxidative stress, inflammation, and dyslipidemia. Mercury can induce atherosclerosis indirectly via increasing the total cholesterol, triglycerides, and LDL-C levels as well as decreasing the HDL-C level. Mercury can be considered as a risk factor in the atherosclerosis progression. However, more studies are required to find the exact mechanisms involved in the pathogenesis of atherosclerosis induced by mercury.
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Affiliation(s)
- Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Reza Afshari
- BC Centre for Disease Control, Vancouver, BC, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
| | - Omid Mehrpour
- Rocky Mountain Poison and Drug Safety, Denver Health, Denver, CO, USA
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Liu S, Tsui MTK, Lee E, Fowler J, Jia Z. Uptake, efflux, and toxicity of inorganic and methyl mercury in the endothelial cells (EA.hy926). Sci Rep 2020; 10:9023. [PMID: 32488074 PMCID: PMC7265296 DOI: 10.1038/s41598-020-66444-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 05/21/2020] [Indexed: 01/09/2023] Open
Abstract
Cardiovascular disease (CVD) is the major cause of morbidity, mortality, and health care costs in the United States, and possibly around the world. Among the various risk factors of CVD, environmental and dietary exposures to mercury (Hg), a highly toxic metal traditionally regarded as a neurotoxin, has been recently suggested as a potential contributor towards human atherosclerotic development. In this study, we investigated the toxicity, type of cell death, dose-dependent uptake, and efflux of inorganic HgII (as HgCl2) and methylmercury or MeHg (as CH3HgCl) in EA.hy926 endothelial cells, as these two forms of Hg are often reported to be present in human blood among the general populations (~20–30% as HgII and ~70–80% as MeHg). Our results showed that HgII is more toxic than MeHg to the endothelial cells, owing to the higher uptake into the cytoplasm and perhaps importantly lower efflux of HgII by the cells, thus the “net” accumulation by the endothelial cells is higher for HgII than MeHg when exposed to the same Hg levels in the media. Furthermore, both HgII and MeHg were found to induce apoptotic and necrotic cell death. This study has important implications for the contributions of these two common Hg species to the development of atherosclerosis, an important process leading to CVD.
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Affiliation(s)
- Songnian Liu
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA
| | - Martin Tsz-Ki Tsui
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA.
| | - Elizabeth Lee
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA
| | - Josh Fowler
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA
| | - Zhenquan Jia
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA.
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15
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Cho HW, Kim SH, Park MJ. An association of blood mercury levels and hypercholesterolemia among Korean adolescents. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 709:135965. [PMID: 31927427 DOI: 10.1016/j.scitotenv.2019.135965] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/05/2019] [Accepted: 12/05/2019] [Indexed: 06/10/2023]
Abstract
PURPOSE A few experimental studies have suggested that mercury exposure might be associated with dyslipidemia, possibly through its interference with the activities of genes and enzymes involved in lipid metabolism. Mercury exposure has been associated with the risk of dyslipidemia and cardiovascular disease in previous adult studies. However, only a few studies have been conducted in pediatric populations. We aimed to assess the associations between total blood mercury concentrations and lipid profiles in Korean adolescents. METHODS The study population comprised 1890 adolescents (963 males and 927 females; age: 10-19 years) who participated in the Korea National Health and Nutrition Examination Survey 2010-2013 and 2016 and whose fasting blood samples were obtained to determine their blood mercury concentrations and lipid profiles. We analyzed the distribution of lipid profiles and the prevalence of dyslipidemia based on the total blood mercury concentrations. RESULTS The geometric mean of the blood mercury concentration was 1.89 μg/L and was significantly higher in males (1.96 μg/L) than in females (1.83 μg/L). The total cholesterol and low-density lipoprotein (LDL) cholesterol levels significantly increased as the blood total mercury concentration increased in males, not in females. High-density lipoprotein cholesterol and triglyceride levels did not show significant associations with total blood mercury levels. The prevalence of hyper-LDL-cholesterolemia also significantly increased in the highest blood mercury quartile group compared with that in the lowest blood mercury quartile group in males (P-for-trend <0.001). Male adolescents in the highest total blood mercury quartile group were found to be at higher risk of hypercholesterolemia than those in the lowest quartile group after adjusting for the covariates including obesity [odds ratios (95% confidential interval): 3.72 (1.03-13.4)]. Total blood mercury quartile showed a positive linear relationship with the risk of hyper-LDL-cholesterolemia after controlling for the covariates in males. CONCLUSION Our results suggest the potential association between mercury exposure and the risk of hyper-LDL-cholesterolemia in male adolescents.
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Affiliation(s)
- Hyun Woo Cho
- Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, Republic of Korea
| | - Shin-Hye Kim
- Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, Republic of Korea.
| | - Mi Jung Park
- Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, Republic of Korea.
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16
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Stratakis N, Conti DV, Borras E, Sabido E, Roumeliotaki T, Papadopoulou E, Agier L, Basagana X, Bustamante M, Casas M, Farzan SF, Fossati S, Gonzalez JR, Grazuleviciene R, Heude B, Maitre L, McEachan RRC, Theologidis I, Urquiza J, Vafeiadi M, West J, Wright J, McConnell R, Brantsaeter AL, Meltzer HM, Vrijheid M, Chatzi L. Association of Fish Consumption and Mercury Exposure During Pregnancy With Metabolic Health and Inflammatory Biomarkers in Children. JAMA Netw Open 2020; 3:e201007. [PMID: 32176304 PMCID: PMC7076335 DOI: 10.1001/jamanetworkopen.2020.1007] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 01/27/2020] [Indexed: 12/23/2022] Open
Abstract
Importance The balance of mercury risk and nutritional benefit from fish intake during pregnancy for the metabolic health of offspring to date is unknown. Objective To assess the associations of fish intake and mercury exposure during pregnancy with metabolic syndrome in children and alterations in biomarkers of inflammation in children. Design, Setting, and Participants This population-based prospective birth cohort study used data from studies performed in 5 European countries (France, Greece, Norway, Spain, and the UK) between April 1, 2003, and February 26, 2016, as part of the Human Early Life Exposome (HELIX) project. Mothers and their singleton offspring were followed up until the children were aged 6 to 12 years. Data were analyzed between March 1 and August 2, 2019. Exposures Maternal fish intake during pregnancy (measured in times per week) was assessed using validated food frequency questionnaires, and maternal mercury concentration (measured in micrograms per liter) was assessed using maternal whole blood and cord blood samples. Main Outcomes and Measures An aggregate metabolic syndrome score for children was calculated using the z scores of waist circumference, systolic and diastolic blood pressures, and levels of triglyceride, high-density lipoprotein cholesterol, and insulin. A higher metabolic syndrome score (score range, -4.9 to 7.5) indicated a poorer metabolic profile. Three protein panels were used to measure several cytokines and adipokines in the plasma of children. Results The study included 805 mothers and their singleton children. Among mothers, the mean (SD) age at cohort inclusion or delivery of their infant was 31.3 (4.6) years. A total of 400 women (49.7%) had a high educational level, and 432 women (53.7%) were multiparous. Among children, the mean (SD) age was 8.4 (1.5) years (age range, 6-12 years). A total of 453 children (56.3%) were boys, and 734 children (91.2%) were of white race/ethnicity. Fish intake consistent with health recommendations (1 to 3 times per week) during pregnancy was associated with a 1-U decrease in metabolic syndrome score in children (β = -0.96; 95% CI, -1.49 to -0.42) compared with low fish consumption (<1 time per week) after adjusting for maternal mercury levels and other covariates. No further benefit was observed with fish intake of more than 3 times per week. A higher maternal mercury concentration was independently associated with an increase in the metabolic syndrome score of their offspring (β per 2-fold increase in mercury concentration = 0.18; 95% CI, 0.01-0.34). Compared with low fish intake, moderate and high fish intake during pregnancy were associated with reduced levels of proinflammatory cytokines and adipokines in children. An integrated analysis identified a cluster of children with increased susceptibility to metabolic disease, which was characterized by low fish consumption during pregnancy, high maternal mercury levels, decreased levels of adiponectin in children, and increased levels of leptin, tumor necrosis factor α, and the cytokines interleukin 6 and interleukin 1β in children. Conclusions and Relevance Results of this study suggest that moderate fish intake consistent with current health recommendations during pregnancy was associated with improvements in the metabolic health of children, while high maternal mercury exposure was associated with an unfavorable metabolic profile in children.
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Affiliation(s)
- Nikos Stratakis
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Department of Complex Genetics and Epidemiology, CAPHRI School for Public Health and Primary Care, University of Maastricht, Maastricht, the Netherlands
| | - David V. Conti
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
| | - Eva Borras
- Universitat Pompeu Fabra, Barcelona, Spain
- Proteomics Unit, Centre de Regulacio Genomica, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Eduardo Sabido
- Universitat Pompeu Fabra, Barcelona, Spain
- Proteomics Unit, Centre de Regulacio Genomica, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Theano Roumeliotaki
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Crete, Greece
| | - Eleni Papadopoulou
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Lydiane Agier
- Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Inserm, CNRS, University Grenoble Alpes, Institute for Advanced Biosciences, U1209 Joint Research Center, La Tronche, Grenoble, France
| | - Xavier Basagana
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Mariona Bustamante
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Maribel Casas
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Shohreh F. Farzan
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
| | - Serena Fossati
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Juan R. Gonzalez
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | | | - Barbara Heude
- Centre of Research in Epidemiology and Statistics, Inserm, Institut National de la Recherche Agronomique, Universite de Paris, Paris, France
| | - Lea Maitre
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Rosemary R. C. McEachan
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Ioannis Theologidis
- Foundation for Research and Technology, Institute of Molecular Biology and Biotechnology, Heraklion, Greece
| | - Jose Urquiza
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Marina Vafeiadi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Crete, Greece
| | - Jane West
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - John Wright
- Bradford Institute for Health Research, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Rob McConnell
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
| | - Anne-Lise Brantsaeter
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | | | - Martine Vrijheid
- Universitat Pompeu Fabra, Barcelona, Spain
- Institute for Global Health, Barcelona, Spain
- Consorcio de Investigacion Biomedica en Red de Epidemiologia y Salud Publica, Madrid, Spain
| | - Leda Chatzi
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Department of Complex Genetics and Epidemiology, CAPHRI School for Public Health and Primary Care, University of Maastricht, Maastricht, the Netherlands
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Chang J, Zhou Y, Wang Q, Aschner M, Lu R. Plant components can reduce methylmercury toxication: A mini-review. Biochim Biophys Acta Gen Subj 2019; 1863:129290. [DOI: 10.1016/j.bbagen.2019.01.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 12/15/2018] [Accepted: 01/21/2019] [Indexed: 12/19/2022]
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18
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Chen R, Xu Y, Xu C, Shu Y, Ma S, Lu C, Mo X. Associations between mercury exposure and the risk of nonalcoholic fatty liver disease (NAFLD) in US adolescents. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:31384-31391. [PMID: 31473923 DOI: 10.1007/s11356-019-06224-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
Little is known regarding the effects of environmental mercury (Hg) exposure on liver dysfunction in adolescents. We aimed to explore the association between Hg exposure and the risk of nonalcoholic fatty liver disease (NAFLD) in the adolescent population. The cross-sectional associations between blood Hg concentrations and serum alanine aminotransferase (ALT) levels, a surrogate for suspected NAFLD, were evaluated using data from adolescents (aged 12-17 years old) who participated in the National Health and Nutrition Examination Survey (NHANES), 1999-2014. A final sample of 6389 adolescents was analysed. Elevated ALT was defined as > 25 IU/L and > 22 IU/L for boys and girls ≤ 17 years old, respectively. Odds ratios (ORs) of Hg levels in association with serum ALT levels were estimated using a logistic regression after adjusting for gender, age, ethnicity, serum cotinine, body mass index, the poverty income ratio, and NHANES cycles. The median blood Hg level was 0.73 ± 0.91 μg/L amongst US adolescents. In the adjusted model, the ORs of elevated ALT levels of those in the 4th quartile were higher amongst non-Hispanic white adolescents (OR = 1.76, 95% CI 1.20, 2.59; P = 0.035) and those who were normal or underweight (OR = 1.41, 95% CI 1.08, 1.85; P = 0.020). No association was observed for the other variables. Our results indicate that the positive association between blood Hg exposure and the risk of NAFLD in US adolescents is the highest amongst non-Hispanic white and those who are normal or underweight, regardless of ethnicity. More research is necessary to confirm this association and to clarify the potential mechanisms.
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Affiliation(s)
- Runsen Chen
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Yang Xu
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Cheng Xu
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Yaqin Shu
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Siyu Ma
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Changgui Lu
- Department of Pediatric Surgery, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xuming Mo
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
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Park H, Kim K. Comparisons among Machine Learning Models for the Prediction of Hypercholestrolemia Associated with Exposure to Lead, Mercury, and Cadmium. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16152666. [PMID: 31349672 PMCID: PMC6696126 DOI: 10.3390/ijerph16152666] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/12/2019] [Accepted: 07/22/2019] [Indexed: 01/07/2023]
Abstract
Lead, mercury, and cadmium are common environmental pollutants in industrialized countries, but their combined impact on hypercholesterolemia (HC) is poorly understood. The aim of this study was to compare the performance of various machine learning (ML) models to predict the prevalence of HC associated with exposure to lead, mercury, and cadmium. A total of 10,089 participants of the Korea National Health and Nutrition Examination Surveys 2008–2013 were selected and their demographic characteristics, blood concentration of metals, and total cholesterol levels were collected for analysis. For prediction, five ML models, including logistic regression (LR), k-nearest neighbors, decision trees, random forests, and support vector machines (SVM) were constructed and their predictive performances were compared. Of the five ML models, the SVM model was the most accurate and the LR model had the highest area under receiver operating characteristic (ROC) curve of 0.718 (95% CI: 0.688–0.748). This study shows the potential of various ML methods to predict HC associated with exposure to metals using population-based survey data.
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Affiliation(s)
- Hyejin Park
- Department of International Healthcare Administration, Daegu Catholic University, Gyeongsan 38430, Korea
| | - Kisok Kim
- College of Pharmacy, Keimyung University, Daegu 42601, Korea.
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Devi P, Rajput P, Thakur A, Kim KH, Kumar P. Recent advances in carbon quantum dot-based sensing of heavy metals in water. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.03.003] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Singh RP, Wu J, Fu D. Purification of water contaminated with Hg using horizontal subsurface constructed wetlands. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:9697-9706. [PMID: 30734251 DOI: 10.1007/s11356-019-04260-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 01/15/2019] [Indexed: 06/09/2023]
Abstract
As a global pollutant, Hg (Hg) since the turn of the last century has received increased attention. Decreasing the emission of Hg into the food chain and the atmosphere is an effective way to reduce the Hg damage. The current study provided information about pilot-scale horizontal subsurface flow (HSSF) constructed wetlands (CWs) to remove different Hg species in polluted water. Synthetic wastewater was fed to two HSSF CWs, one was planted with Acorus calamus L and the other was unplanted as a control. The total Hg (THg), dissolved Hg (DHg), and particulate Hg (PHg) from five sites along the HSSF CWs were analyzed to describe the process of Hg removal. Results show that the CWs have high removal efficiency of Hg which is more than 90%. The removal efficiencies of THg and DHg from the unplanted CW were 92.1 ± 3.6% and 72.4 ± 13.1%, respectively. While, the removal efficiencies of THg and DHg in planted CW were 95.9 ± 7.5% and 94.9 ± 4.9%, which were higher than that in blank CW. The PHg was mainly removed in the first quarter of the CWs, which was also revealed by the partition coefficient Kd. To a certain extent, the effect of plants depends on the hydraulic retention time (HRT). The results in the current study show the potential of the HSSF-CWs for restoration from Hg-contaminated water.
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Affiliation(s)
- Rajendra Prasad Singh
- Department of Municipal Engineering, School of Civil Engineering, Southeast University (SEU), Nanjing, 210096, China
- SEU-Monash Joint Research Centre for Future Cities, Nanjing, 210000, China
| | - Jiaguo Wu
- Department of Municipal Engineering, School of Civil Engineering, Southeast University (SEU), Nanjing, 210096, China
- SEU-Monash Joint Research Centre for Future Cities, Nanjing, 210000, China
| | - Dafang Fu
- Department of Municipal Engineering, School of Civil Engineering, Southeast University (SEU), Nanjing, 210096, China.
- SEU-Monash Joint Research Centre for Future Cities, Nanjing, 210000, China.
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Jain RB. Synergistic impact of co-exposures to toxic metals cadmium, lead, and mercury along with perfluoroalkyl substances on the healthy kidney function. ENVIRONMENTAL RESEARCH 2019; 169:342-347. [PMID: 30504076 DOI: 10.1016/j.envres.2018.11.037] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 11/21/2018] [Accepted: 11/22/2018] [Indexed: 06/09/2023]
Abstract
Impact of co-exposures to toxic metals cadmium, lead, and mercury along with perfluoroalkyl substances on the healthy kidney function was evaluated among US adults aged > = 20 years by analyzing data (N = 7857) from National Health and Nutrition Examination Survey for 2003-2014. Perfluoroalkyl substances selected for analysis were: perfluorooctanoic acid (PFOA), perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), and perfluorononanoic acid (PFNA). High levels of exposures to Cd, Pb, total Hg, and PFAS were said to occur if their observed levels in blood/serum were greater than 75th percentiles. A healthy kidney function was defined if estimated glomerular filtration rate was found to be > = 60 mL/min/1.73 m2 and urine albumin creatinine ratio was ≤ 30 mg/g creatinine. Adjusted odds of a healthy kidney function due to co-exposures to high levels of Cd along with high levels of PFOA, PFOS, and PFNA were found to be 0.713, 0.576, and 0.640 respectively. Adjusted odds of a healthy kidney function due to co-exposures to high levels of Pb along with high levels of PFOA, and PFNA were found to be 0.657, and 0.671 respectively. Co-exposures to high levels of Hg as measured by the total mercury in blood was not found to affect the odds of a healthy kidney function.
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Affiliation(s)
- Ram B Jain
- 2959 Estate View Ct, Dacula, GA 30019, USA
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Peregrina-Chávez AG, Ramírez-Galindo MDR, Chávez-Martínez R, Delahanty-Delgado CA, Vazquez-Alaniz F. Full Atrioventricular Block Secondary to Acute Poisoning Mercury: A Case Report. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:E657. [PMID: 29614795 PMCID: PMC5923699 DOI: 10.3390/ijerph15040657] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 03/26/2018] [Accepted: 03/30/2018] [Indexed: 12/15/2022]
Abstract
Background: The biological behaviour and clinical significance of mercury toxicity vary according to its chemical structure. Mercury differs in its degree of toxicity and in its effects on the nervous, digestive and immune systems as well as on organs such as the lungs, kidneys, skin, eyes and heart. Human exposure occurs mainly through inhalation of elemental mercury vapours during industrial and artisanal processes such as artisanal and small-scale gold mining. Case presentation: A 52-years-old female, housewife, with a body mass index of 25.3 kg/cm², without smoking or alcohol habits or any important clinical or chronic cardiovascular history, was admitted to the emergency room due to probable accidental poisoning by butane gas. Clinical manifestations with a headache, dizziness, cough, and dyspnoea of medium to small efforts. An initial physical exploration with Glasgow scored at 15, with arrhythmic heart sounds, pulmonary fields with bilateral subcrepitant rales and right basal predominance. Electrocardiographic findings were as follows: a cardiac frequency of 50 beats per minute and atrioventricular dissociation. Laboratory parameters were: white blood cells at 15.8 × 10⁸/L; aspartate aminotransferase at 38 U/L; lactate dehydrogenase at 1288 U/L; creatine-kinase at 115 U/L; CK-MB fraction at 28 U/L; and other biochemical parameters were within the reference values. A radiographic evaluation showed flow cephalization, diffuse bilateral infiltrates with right basal predominance. In addition, the patient presented data of low secondary expenditure to third-degree atrioventricular (AV) block for which the placement of a transvenous pacemaker was decided, substantially improving the haemodynamic parameters. Subsequently, after a family interrogation, the diagnosis of mercury inhalation poisoning was established. An initial detection of mercury concentration (Hg(0)) was carried out, reporting 243.5 µg/L. In view of this new evidence, mercury chelation therapy with intravenous calcium disodium ethylenediamine tetraacetic acid (CaNa₂·EDTA) was initiated. After 8-days of hospital stay, she presented a favourable evolution with both clinical and radiological improvements, so that the mechanical ventilation progressed to extubating. Subsequently, she was referred for cardiology because of her persistent 3rd-degree atrioventricular block, deciding to place a definitive bicameral pacemaker. The patient was discharged from the hospital 14 days after admission due to clinical improvements with mercury plasma levels at 5 µmol/L and a heart rhythm from the pacemaker. Conclusions: We show evidence that acute exposure to elemental mercury can affect the heart rhythm, including a complete atrioventricular blockage.
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Affiliation(s)
- Amelia Geraldine Peregrina-Chávez
- Urgency Department, Hospital General 450, Servicios de Salud de Durango, Blvd. Jose Maria Patoni No. 403, Col. El Cipres, CP 34206 Durango, Mexico.
| | - María Del Rayo Ramírez-Galindo
- Urgency Department, Hospital General 450, Servicios de Salud de Durango, Blvd. Jose Maria Patoni No. 403, Col. El Cipres, CP 34206 Durango, Mexico.
| | - Rolando Chávez-Martínez
- Cardiology Department, Hospital General 450, Servicios de Salud de Durango, Blvd. Jose Maria Patoni No. 403, Col. El Cipres, CP 34206 Durango, Mexico.
| | - Cesar Anuar Delahanty-Delgado
- Cardiology Department, Hospital General 450, Servicios de Salud de Durango, Blvd. Jose Maria Patoni No. 403, Col. El Cipres, CP 34206 Durango, Mexico.
| | - Fernando Vazquez-Alaniz
- Clinical Laboratory, Hospital General 450, Servicios de Salud de Durango, Blvd. Jose Maria Patoni No. 403, Col. El Cipres, CP 34206 Durango, Mexico.
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