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Poddalgoda D, Macey K, Chander N, Jayawardene I, Sitland B, Mohr S, Hancock S. A review of Health Canada's progress on human biomonitoring-based risk assessments and the path forward. Toxicol Lett 2024; 399:19-24. [PMID: 38992804 DOI: 10.1016/j.toxlet.2024.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 06/17/2024] [Accepted: 07/02/2024] [Indexed: 07/13/2024]
Abstract
Since the launch of the Chemicals Management Plan (CMP) in 2006, Health Canada has initiated screening-level risk assessments (RAs) of approximately 4300 priority substances under the Canadian Environmental Protection Act, 1999 (CEPA). With the availability of nationally representative human biomonitoring (HBM) data, over 300 of these substances were assessed using HBM-based RA approaches. Qualitative and quantitative HBM-based RA approaches for the regulatory risk assessment of the general population of Canada were developed to increase the efficiency of screening the potential health risk of CMP priority substances. To support HBM-based RAs, several biomonitoring equivalents (BE) were derived to interpret HBM data. For some CMP substances, Health Canada conducted cumulative risk assessments of chemical mixtures using HBM data as measures of exposure. In 2023, CEPA was amended to include the assessment of populations who may be disproportionately impacted (vulnerable populations) and the cumulative effects of multiple chemicals. Going forward, Health Canada is exploring modern approaches in HBM-based RAs, including biomarkers of effect and non-traditional biomarkers (e.g., hair, nails) to address CEPA amendments. This manuscript will discuss Health Canada's progress in HBM-based RAs, and the possible path forward in using HBM data to strengthen human health risk assessments.
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Affiliation(s)
| | - Kristin Macey
- Health Canada, 269 Laurier Ave (W), Ottawa, ON K1A 0K9, Canada
| | - Natasha Chander
- Health Canada, 269 Laurier Ave (W), Ottawa, ON K1A 0K9, Canada
| | | | | | - Sara Mohr
- Health Canada, 269 Laurier Ave (W), Ottawa, ON K1A 0K9, Canada
| | - Scott Hancock
- Health Canada, 269 Laurier Ave (W), Ottawa, ON K1A 0K9, Canada
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Song J, Wang X, Huang Q, Wei C, Yang D, Wang C, Fan K, Cheng S, Guo X, Wang J. Predictors of urinary heavy metal concentrations among pregnant women in Jinan, China. J Trace Elem Med Biol 2024; 84:127444. [PMID: 38581744 DOI: 10.1016/j.jtemb.2024.127444] [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: 10/26/2023] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/08/2024]
Abstract
BACKGROUND Toxic heavy metal exposure and insufficiency or excess of essential heavy metals may have negative effects on pregnant women's health and fetal growth. To date, the predictors of pregnant women's heavy metal exposure levels remain unclear and vary with different regions. The study intended to explore potential predictors of exposure to heavy metals individually and high co-exposure to heavy metal mixtures. METHODS We recruited 298 pregnant women in first trimester from prenatal clinics in Jinan, Shandong Province, China, and collected spot urine samples and questionnaire data on their demographic characteristics, lifestyle habits, consumption of food and dietary supplement, and residential environment. All urine samples were analyzed for seven heavy metals: cobalt (Co), molybdenum (Mo), strontium (Sr), arsenic (As), cadmium (Cd), lead (Pb) and mercury (Hg). RESULTS Factors associated with single heavy metal concentration were as follows: a) urinary As, Sr and Cd increased with women's age respectively; b) pregnant women with higher monthly household income per capita had lower Sr and Mo levels; c) pregnant women with intermittent folic acid supplementation and those not taking tap water as domestic drinking water had lower Sr concentrations; d) Cd was positively linked with consumption frequency of rice; e) Hg was adversely related to consumption frequency of egg and the women who took purified water as domestic drinking water had lower Hg exposure. In addition, pregnant women's age was positively associated with odds of high co-exposure to Co, As, Sr, Mo, Cd and Pb; while those with an educational level of college had lower odds of high exposure to such a metal mixture compared with those whose educational levels were lower than high school. CONCLUSION Predictors of single urinary heavy metal concentration included pregnant women's age (As, Sr and Cd), monthly household income per capita (Sr and Mo), folic acid supplementation (Sr), rice consumption frequency (Cd), egg consumption frequency (Hg) and the type of domestic drinking water (Sr and Hg). Pregnant women with older age, lower educational level tended to have high co-exposure to Co, As, Sr, Mo, Cd and Pb.
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Affiliation(s)
- Jiayi Song
- School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong 250012, China
| | - Xiang Wang
- Department of Obstetrics, Jinan Maternity and Child Care Hospital, Jinan, Shandong 250000, China
| | - Qichen Huang
- School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong 250012, China
| | - Chuanling Wei
- Department of Gynecology, Jinan Zhangqiu District People's Hospital, Jinan, Shandong 250200, China
| | - Dongxia Yang
- Department of Obstetrics, Jinan Maternity and Child Care Hospital, Jinan, Shandong 250000, China
| | - Cuilan Wang
- Department of Obstetrics, Jinan Maternity and Child Care Hospital, Jinan, Shandong 250000, China
| | - Kefeng Fan
- Department of Obstetrics, Jinan Maternity and Child Care Hospital, Jinan, Shandong 250000, China
| | - Shuang Cheng
- School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong 250012, China
| | - Xiaohui Guo
- School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong 250012, China
| | - Ju Wang
- School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong 250012, China.
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Kuang HX, Dong CY, Yan L, Zhou Y, Xiang MD, Yu YJ. Exposure to synthesized tribromobisphenol A and critical effects: Metabolic pathways, disease signature, and benchmark dose derivation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 932:173117. [PMID: 38734097 DOI: 10.1016/j.scitotenv.2024.173117] [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: 02/19/2024] [Revised: 05/07/2024] [Accepted: 05/08/2024] [Indexed: 05/13/2024]
Abstract
2,2',6-Tribromobisphenol A (Tri-BBPA), the main debrominated congener of tetrabromobisphenol A (TBBPA), is ubiquitous in the environment and human body but with unknown toxicity. Tri-BBPA was synthesized and applied to investigate its sub-chronic exposure effects on 28 organ coefficients and clinical health indicators related to liver function, kidney function, and cardiovascular system function in female mice. Results showed that the liver was the targeted organ of Tri-BBPA exposure. Compared to the control group, the changes in liver coefficient, cholinesterase, total protein, albumin, γ-glutamyl transpeptidase, lactate dehydrogenase, and creatine kinase levels ranged from -61.2 % to 35.5 % in the high-exposed group. Creatine kinase was identified as a critical effect indicator of Tri-BBPA exposure. Using the Bayesian benchmark dose derivation method, a lower reference dose than TBBPA was established for Tri-BBPA (10.6 μg/kg-day). Serum metabolomics revealed that Tri-BBPA exposure may primarily damage the liver by disrupting tryptophan metabolism related to L-alanine, tryptamine, 5-hydroxyindoleacetic acid, and 5-methoxyindoleacetate in liver cells and leading to liver dysfunction. Notably, epilepsy, schizophrenia, early preeclampsia, and late-onset preeclampsia were the top six enriched diseases, suggesting that the nervous system may be particularly affected by Tri-BBPA exposure. Our findings hinted a non-negligible health risk of exposure to debrominated products of TBBPA.
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Affiliation(s)
- Hong-Xuan Kuang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Chen-Yin Dong
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Lei Yan
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Yang Zhou
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Ming-Deng Xiang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China.
| | - Yun-Jiang Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China.
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Kuang HX, Li MY, Zeng XW, Chen D, Zhou Y, Zheng T, Xiang MD, Wu QZ, Chen XC, Dong GH, Yu YJ. Human molybdenum exposure risk in industrial regions of China: New critical effect indicators and reference dose. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 278:116400. [PMID: 38718725 DOI: 10.1016/j.ecoenv.2024.116400] [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: 09/07/2023] [Revised: 04/21/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024]
Abstract
Evidence increasingly suggests molybdenum exposure at environmental levels is still associated with adverse human health, emphasizing the necessity to establish a more protective reference dose (RfD). Herein, we conducted a study measuring 15 urinary metals and 30 clinical health indicators in 2267 participants residing near chemical enterprises across 11 Chinese provinces to investigate their relationships. The kidney and cystatin-C emerged as the most sensitive organ and critical effect indicator of molybdenum exposure, respectively. Odds of cystatin-C-defined chronic kidney disease (CKD) in the highest quantile of molybdenum exposure significantly increased by 133.5% (odds ratio [OR]: 2.34, 95% CI: 1.78, 3.11) and 75.8% (OR: 1.76, 95% CI: 1.24, 2.49) before and after adjusting for urinary 14 metals, respectively. Intriguingly, cystatin-C significantly mediated 15.9-89.5% of molybdenum's impacts on liver and lung function, suggesting nephrotoxicity from molybdenum exposure may trigger hepatotoxicity and pulmonary toxicity. We derived a new RfD for molybdenum exposure (0.87 μg/kg-day) based on cystatin-C-defined estimated glomerular filtration rate by employing Bayesian Benchmark Dose modeling analysis. This RfD is significantly lower than current exposure guidance values (5-30 μg/kg-day). Remarkably, >90% of participants exceeded the new RfD, underscoring the significant health impacts of environmental molybdenum exposure on populations in industrial regions of China.
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Affiliation(s)
- Hong-Xuan Kuang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Meng-Yang Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Xiao-Wen Zeng
- Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, PR China
| | - Da Chen
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510080, PR China
| | - Yang Zhou
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Tong Zheng
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Ming-Deng Xiang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Qi-Zhen Wu
- Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, PR China
| | - Xi-Chao Chen
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Guang-Hui Dong
- Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, PR China.
| | - Yun-Jiang Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China.
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Huang J, Zheng W, Wang A, Han W, Chen J, An H, Yan L, Li Z, Li G. Molybdenum Concentration and the Risk of Spontaneous Preterm Birth: A Nested Case-Control Study - Beijing Municipality, China, 2018-2020. China CDC Wkly 2024; 6:261-266. [PMID: 38633198 PMCID: PMC11018551 DOI: 10.46234/ccdcw2024.051] [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: 12/27/2023] [Accepted: 02/21/2024] [Indexed: 04/19/2024] Open
Abstract
What is already known about this topic? The level of molybdenum (Mo) in a mother's urine has been linked to the growth rate of the fetus and the blood pressure levels in children. What is added by this report? We evaluated the variations in maternal plasma Mo concentrations throughout pregnancy and their potential association with the risk of spontaneous preterm birth (SPB). What are the implications for public health practice? Future research must determine the Mo levels in pregnant women across various regions in China. Moreover, particular attention needs to be given to the potential increase in Mo concentration throughout pregnancy and its possible adverse impacts on the health of both the mother and the fetus.
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Affiliation(s)
- Junhua Huang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Wei Zheng
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Aili Wang
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China
- Department of Obstetrics and Gynecology, Beijing Luhe Hospital, Capital Medical University, Beijing, China
| | - Weiling Han
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China
| | - Junxi Chen
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Hang An
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Lailai Yan
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing, China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Guanghui Li
- Division of Endocrinology and Metabolism, Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China
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Oskarsson A, Kippler M. Molybdenum - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2023; 67:10326. [PMID: 38187804 PMCID: PMC10770642 DOI: 10.29219/fnr.v67.10326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 01/02/2023] [Accepted: 10/25/2023] [Indexed: 01/09/2024] Open
Abstract
Molybdenum is an essential element in the form of the molybdenum cofactor (Moco). In humans, Moco is required for four enzymes: xanthine oxidase (XO), aldehyde oxidase, sulfite oxidase (SO), and mitochondrial amidoxime-reducing component (mARC). The enzymes are involved in the oxidation of purines to uric acid, metabolism of aromatic aldehydes and heterocyclic compounds, and in the catabolism of sulfur amino acids. Molybdenum cofactor deficiency is a rare autosomal recessive syndrome due to a defective synthesis of Moco, resulting in a deficiency of all the molybdoenzymes. There are no reports on clinical signs of dietary molybdenum deficiency in otherwise healthy humans. Water-soluble molybdate is efficiently absorbed from the digestive tract. The body retention is regulated by urinary excretion. Plasma molybdenum reflects long-term intake and 24-h urinary excretion is related to recent intake. There are no biochemical markers of molybdenum status. Cereal products are the main contributors to molybdenum dietary intake, estimated to 100-170 μg/day in Nordic studies. Little data are available on molybdenum toxicity in humans. A tolerable upper intake level of molybdenum has been based on reproductive toxicity in rats, but the effects have not been reproduced in more recent studies. The U.S. Institute of Medicine (IOM, present National Academy of Sciences, Engineering, and Medicine; NASEM) established a Recommended Dietary Allowance of 45 μg/day in adult men and women in 2001, based on a small study reporting urinary excretion in balance with intake at 22 μg/day. The European Food Safety Authority (EFSA) considered in 2013 the evidence to be insufficient to derive an Average Requirement and a Population Reference Intake, but proposed an Adequate Intake of 65 μg/day for adults.
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Affiliation(s)
- Agneta Oskarsson
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Maria Kippler
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
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Correia-Sá L, Fernandes VC, Maia ML, Pinto E, Norberto S, Almeida A, Santos C, Delerue-Matos C, Calhau C, Domingues VF. Trace Elements in Portuguese Children: Urinary Levels and Exposure Predictors. TOXICS 2023; 11:767. [PMID: 37755777 PMCID: PMC10535189 DOI: 10.3390/toxics11090767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/01/2023] [Accepted: 09/06/2023] [Indexed: 09/28/2023]
Abstract
Exposure to environmental chemicals during developmental stages can result in several adverse outcomes. In this study, the exposure of Portuguese children to Cu, Co, I, Mo, Mn, Ni, As, Sb, Cd, Pb, Sn and Tl was evaluated through the analysis of first morning urine through ICP-MS. Furthermore, we attempted to determine possible exposure predictors. The study sample consisted of 54% girls and 46% boys, with a median age of 10 years; 61% were overweight/obese and were put on a nutritionally oriented diet. For I, half of the population was probably in deficiency status. The median urinary concentrations (μg/L) were Cu 21.9, Mo 54.6, Co 0.76, Mn 2.1, Ni 4.74, As 37.9, Sb 0.09, Cd 0.29, Pb 0.94, Sn 0.45, Tl 0.39 and I 125.5. The region was a significant predictor for Cu, Co, Ni, As and Tl. Children living in an urban area had higher urinary levels, except for Co and Ni. Age was a significant predictor for Cu, I, Mo, Mn, Ni, Sb, Cd and Sn with urinary levels of these elements decreasing with age. No sex-related differences were observed. Diet and weight group were predictors for urinary Cu, Mn, Ni, Sb and As. Significant differences were observed between the diet/weight groups for Cu, Ni, Sb and As, with the healthy diet group presenting higher values.
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Affiliation(s)
- Luísa Correia-Sá
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal; (V.C.F.); (M.L.M.); (C.D.-M.)
| | - Virgínia C. Fernandes
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal; (V.C.F.); (M.L.M.); (C.D.-M.)
- Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal; (S.N.); (C.S.); (C.C.)
| | - Maria Luz Maia
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal; (V.C.F.); (M.L.M.); (C.D.-M.)
- Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal; (S.N.); (C.S.); (C.C.)
| | - Edgar Pinto
- REQUIMTE/LAQV, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4249-015 Porto, Portugal; (E.P.); (A.A.)
- Departmento de Saúde Ambiental, Escola Superior de Saúde, Instituto Politécnico do Porto, R. Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - Sónia Norberto
- Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal; (S.N.); (C.S.); (C.C.)
| | - Agostinho Almeida
- REQUIMTE/LAQV, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, 4249-015 Porto, Portugal; (E.P.); (A.A.)
| | - Cristina Santos
- Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal; (S.N.); (C.S.); (C.C.)
- Health Information and Decision Science, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal; (V.C.F.); (M.L.M.); (C.D.-M.)
| | - Conceição Calhau
- Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal; (S.N.); (C.S.); (C.C.)
- Nutrição e Metabolismo NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal
| | - Valentina F. Domingues
- REQUIMTE/LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal; (V.C.F.); (M.L.M.); (C.D.-M.)
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Shen Z, Wang R, He P, Zhang Z, Dai Y, Li M, Liu Z, Yang H, Guan S, Sun J. Association between urinary metal concentrations and abnormal estimated glomerular filtration rate in Chinese community-dwelling elderly: Exploring the mediating effect of triglycerides. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:114966. [PMID: 37182299 DOI: 10.1016/j.ecoenv.2023.114966] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/16/2023]
Abstract
BACKGROUND Environmental metal exposure is associated with elevated triglycerides (TG) and the development of chronic kidney disease (CKD). However, the relationship between metal exposure and glomerular filtration rate (GFR) remains uncertain, and the mediating effect of TG between the two is unclear. METHODS This study measured the concentrations of 14 metals in urine samples from 3752 elderly people in the community. The most relevant metals were screened by least absolute shrinkage and selection operator (LASSO) regression. The relationship between combined exposure to multiple metals and abnormal estimated glomerular filtration rate (eGFR) was explored using multivariate logistic regression analysis and Bayesian kernel machine regression (BKMR) analysis. Generalized linear regression models and the Karlson-Holm-Green (KHB) method were used to assess the mediating effects of TG. RESULTS In the single-metal model, calcium (Ca), iron (Fe), selenium (Se), strontium (Sr), and thallium (Tl) showed significant negative correlations with the prevalence of abnormal eGFR (all P < 0.05). In the multi-metals model, Ca, Se, and Tl continued to show significant negative correlations, while vanadium (V) and zinc (Zn) showed significant positive correlations with abnormal eGFR (all P < 0.05). The BKMR model showed a negative joint effect of the mixture of Ca, V, Zn, Se, and Tl on the prevalence of abnormal eGFR. The generalized linear regression model showed a significant positive correlation between the concentrations of Ca (β = 0.07), Zn (β = 0.07), Se (β = 0.09), and TG levels (all P < 0.05). In the mediation analysis, TG masked a 4.30% and 5.21% correlation between Ca and Se and the prevalence of eGFR abnormalities, respectively. CONCLUSIONS Urinary concentration of multiple metals is significantly associated with eGFR abnormalities, and Ca, and Se may be among the potential protective factors. TG masked some of the protective effects of Ca and Se.
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Affiliation(s)
- Zhuoheng Shen
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Rui Wang
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Pei He
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Zhongyuan Zhang
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Yuqing Dai
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Meiyan Li
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Zhihong Liu
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Huifang Yang
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China
| | - Suzhen Guan
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China.
| | - Jian Sun
- School of Public Health, Ningxia Medical University, Yinchuan Ningxia 750004, P.R. China; Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan Ningxia 750004, P.R. China.
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Kuang HX, Li MY, Zhou Y, Li ZC, Xiang MD, Yu YJ. Volatile organic compounds and metals/metalloids exposure in children after e-waste control: Implications for priority control pollutants and exposure mitigation measures. JOURNAL OF HAZARDOUS MATERIALS 2023; 455:131598. [PMID: 37187124 DOI: 10.1016/j.jhazmat.2023.131598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/27/2023] [Accepted: 05/07/2023] [Indexed: 05/17/2023]
Abstract
The decade-long effort to control e-waste in China has made significant progress from haphazard disposal to organized recycling, but environmental research suggests that exposure to volatile organic compounds (VOCs) and metals/metalloids (MeTs) still poses plausible health risks. To investigate the exposure risk faced by children and identify corresponding priority control chemicals, we evaluated the carcinogenic risk (CR), non-CR, and oxidative DNA damage risks of VOCs and MeTs exposure in 673 children from an e-waste recycling area (ER) by measuring urinary exposure biomarker levels. The ER children were generally exposed to high levels of VOCs and MeTs. We observed distinctive VOCs exposure profiles in ER children. In particular, the 1,2-dichloroethane/ethylbenzene ratio and 1,2-dichloroethane were promising diagnostic indexes for identifying e-waste pollution due to their high accuracy (91.4%) in predicting e-waste exposure. Exposure to acrolein, benzene, 1,3-butadiene, 1,2-dichloroethane, acrylamide, acrylonitrile, arsenic, vanadium, copper, and lead posed considerable CR or/and non-CR and oxidative DNA damage risks to children, while changing personal lifestyles, especially enhancing daily physical exercise, may facilitate mitigating these chemical exposure risks. These findings highlight that the exposure risk of some VOCs and MeTs is still non-negligible in regulated ER, and these hazardous chemicals should be controlled as priorities.
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Affiliation(s)
- Hong-Xuan Kuang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Meng-Yang Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Yang Zhou
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Zhen-Chi Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Ming-Deng Xiang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China
| | - Yun-Jiang Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, PR China.
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Vasto S, Baldassano D, Sabatino L, Caldarella R, Di Rosa L, Baldassano S. The Role of Consumption of Molybdenum Biofortified Crops in Bone Homeostasis and Healthy Aging. Nutrients 2023; 15:nu15041022. [PMID: 36839380 PMCID: PMC9960304 DOI: 10.3390/nu15041022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/08/2023] [Accepted: 02/13/2023] [Indexed: 02/22/2023] Open
Abstract
Osteoporosis is a chronic disease and public health issue in aging populations. Inadequate intake of micronutrients increases the risk of bone loss during an adult's lifespan and therefore of osteoporosis. The aim of the study was to analyze the effects of consumption of biofortified crops with the micronutrient molybdenum (Mo) on bone remodeling and metabolism in a population of adults and seniors. The trial enrolled 42 senior and 42 adult people randomly divided into three groups that consumed lettuce biofortified with molybdenum (Mo-biofortified group) or without biofortification (control group) or molybdenum in a tablet (Mo-tablet group) for 12 days. We chose an experimental period of 12 days because the bone remodeling marker levels are influenced in the short term. Therefore, a period of 12 days allows us to determine if there are changes in the indicators. Blood samples, obtained at time zero and at the end of the study, were compared within the groups adults and seniors for the markers of bone resorption, C-terminal telopeptide (CTX) and bone formation osteocalcin, along with the markers of bone metabolism, parathyroid hormone (PTH), calcitonin, albumin-adjusted calcium, vitamin D, phosphate and potassium. Consumption of a Mo tablet did not affect bone metabolism in the study. Consumption of Mo-biofortified lettuce significantly reduced levels of CTX and PTH and increased vitamin D in adults and seniors while levels of osteocalcin, calcitonin, calcium, potassium and phosphate were not affected. The study opens up new considerations about the role of nutrition and supplementation in the prevention of chronic diseases in middle-aged and older adults. Consumption of Mo-biofortified lettuce positively impacts bone metabolism in middle-aged and older adults through reduced bone resorption and improved bone metabolism while supplementation of Mo tablets did not affect bone remodeling or metabolism. Therefore, Mo-biofortified lettuce may be used as a nutrition intervention to improve bone homeostasis and prevent the occurrence of osteoporosis in the elderly.
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Affiliation(s)
- Sonya Vasto
- Euro-Mediterranean Institutes of Science and Technology (IEMEST), 90139 Palermo, Italy
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, 90133 Palermo, Italy
| | - Davide Baldassano
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialized Medicine (ProMISE) G. D’Alessandro, University of Palermo, 90127 Palermo, Italy
| | - Leo Sabatino
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Viale delle Scienze, Ed. 5, 90128 Palermo, Italy
| | - Rosalia Caldarella
- Department of Laboratory Medicine, “P. Giaccone” University Hospital, 90127 Palermo, Italy
| | - Luigi Di Rosa
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, 90133 Palermo, Italy
| | - Sara Baldassano
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, 90133 Palermo, Italy
- Correspondence:
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Wang T, Lv Z, Fu X, Zheng S, Yang Z, Zou X, Liu Y, Zhang Y, Wen Y, Lu Q, Huang H, Huang S, Liu R. Associations between plasma metal levels and mild renal impairment in the general population of Southern China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 247:114209. [PMID: 36308880 DOI: 10.1016/j.ecoenv.2022.114209] [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: 06/22/2022] [Revised: 09/11/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Metal exposure were assumed to be closely related with declined renal function, but the conclusions were controversial. We employed diverse statistical models and assessed the association between metal mixture exposure and mild renal impairment. METHODS A total of 13 plasma metals were measured in 896 general population from Southern China. Subjects with estimated glomerular filtration rate within 60-89 ml/min/1.73 m2 and urinary albumin-creatinine ratio <30 mg/g creatinine were defined as mild renal impairment (MRI). RESULTS About 31.47 % participants showed MRI. In the multivariate logistic regression models, compared with the first quartile, high levels of arsenic and molybdenum (the fourth quartile) were both associated with MRI, and the ORs (95 % CI) were 1.68 (1.05, 2.68) and 2.21 (1.40, 3.48), respectively. Their predominant roles were identified by the weighted quantile regression (WQS). Besides, restricted cubic spline analysis verified the relationship between molybdenum level and increased MRI risk in a linear and dose-response manner. CONCLUSION High levels of arsenic and molybdenum might be independent risk factors of MRI, and they showed combined effect. Our findings might provide vigorous evidence in preventing mild decline in renal function.
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Affiliation(s)
- Tian Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China; Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ziquan Lv
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Xuejun Fu
- Department of Neurology, People's Hospital of Shenzhen, Shenzhen 518020, China
| | - Sijia Zheng
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China; School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Zijie Yang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xuan Zou
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Yuewei Liu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Yanwei Zhang
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ying Wen
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Qi Lu
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China; School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Hui Huang
- Department of Cardiology, the Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Suli Huang
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China.
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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Gamboa-Loira B, Mérida-Ortega Á, Rothenberg SJ, Cebrián ME, López-Carrillo L. Metal exposure and breast cancer among Northern Mexican women: assessment of genetic susceptibility. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:89002-89013. [PMID: 35841505 DOI: 10.1007/s11356-022-21067-3] [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: 12/03/2021] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
This study aims to assess breast cancer (BC) association with metals and whether polymorphisms in CYP1A1, CYP1B1, GSTM1 and GSTT1 act as confounders or as modifiers of those relationships. We performed a secondary analysis of 499 histologically confirmed BC cases and the same number of age-matched population controls. We measured urinary concentrations of 18 metals with mass spectrometry. We determined the genetic variants of interest by allelic discrimination and multiplex PCR. After adjusting for covariates, we found BC negatively associated with arsenic, barium, cobalt, copper, magnesium, molybdenum and vanadium concentrations and positively with those of caesium, manganese, tin and thallium. Most associations remained after stratifying by the genetic variants. We identified that polymorphisms in CYP1B1, CYP1A1 and GSTM1 genes interacted with some metals on BC: interaction p-values CYP1B1 G119T × antimony= 0.036, CYP1B1 G119T × cobalt <0.001, CYP1B1 G119T × tin= 0.032, CYP1A1 A4889G × aluminium= 0.018, CYP1A1 A4889G × arsenic= 0.031, CYP1A1 A4889G × nickel= 0.036, CYP1A1 A4889G × vanadium= 0.031 and GSTM1 deletion × barium= 0.035. Exposure to various individual metals, along with genetic characteristics may contribute to BC development. Further studies are warranted to confirm our results.
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Affiliation(s)
- Brenda Gamboa-Loira
- Center for Population Health Research, National Institute of Public Health, Av. Universidad 655, Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, México
| | - Ángel Mérida-Ortega
- Center for Population Health Research, National Institute of Public Health, Av. Universidad 655, Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, México
| | - Stephen J Rothenberg
- Center for Population Health Research, National Institute of Public Health, Av. Universidad 655, Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, México
| | - Mariano E Cebrián
- Department of Toxicology, CINVESTAV-IPN, Av. Instituto Politécnico Nacional 2508, San Pedro Zacatenco, C.P. 07360, Ciudad de México, México
| | - Lizbeth López-Carrillo
- Center for Population Health Research, National Institute of Public Health, Av. Universidad 655, Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, México.
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13
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A New Potential Dietary Approach to Supply Micronutrients to Physically Active People through Consumption of Biofortified Vegetables. Nutrients 2022; 14:nu14142971. [PMID: 35889926 PMCID: PMC9320783 DOI: 10.3390/nu14142971] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/15/2022] [Accepted: 07/19/2022] [Indexed: 01/04/2023] Open
Abstract
Micronutrients are required in many reactions involved in physical activity and exercise. Most physically active people do not meet the body’s needs in terms of micronutrients through diet. The novelty of the present manuscript is the use of an innovative dietary approach to supply micronutrients to physically active people through biofortified food. Therefore, the key point of this study was to verify whether supplementation with biofortified vegetables—and specifically molybdenum (Mo)-enriched lettuce—in healthy volunteers affects essential regulators of body homeostasis and, specifically, hematological parameters, iron and lipid metabolism, and hepatic function. Twenty-four healthy volunteers were allocated in a double-blinded manner to either a control group that consumed lettuce, or the intervention group, which consumed Mo-enriched lettuce, for 12 days. Blood samples were collected at baseline (T0) and after 12 days (T1). We found that supplementation with Mo-enriched lettuce did not affect hematological parameters, liver function, or lipid metabolism, but significantly improved iron homeostasis by increasing non-binding hemoglobin iron by about 37% and transferrin saturation by about 42%, while proteins of iron metabolism (e.g., transferrin, ferritin, ceruloplasmin) were not affected. The serum molybdenum concentration increased by about 42%. In conclusion, this study shows that consumption of Mo-biofortified lettuce ameliorates iron homeostasis in healthy subjects, and suggests that it could be used as a new nutritional supplementation strategy to avoid iron deficiency in physically active people.
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14
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An Overview to Technical Solutions for Molybdenum Removal: Perspective from the Analysis of the Scientific Literature on Molybdenum and Drinking Water (1990–2019). WATER 2022. [DOI: 10.3390/w14132108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A bibliometric analysis using the Scopus database was performed to investigate the research documents published from 1990 to 2019 in scientific sources related to molybdenum in drinking water and determine the quantitative characteristics of the research in this period. The results from the analysis revealed that the number of publications was maintained at a regular production of around 5 papers per year until 2009, followed by a fast linear increase in the production in the period from 2010 to 2016 (29 papers in 2016), but the scientific production regarding this topic was reduced in 2017 and 2018 to recover the production obtained in 2016 once again in 2019. The total contribution of the three most productive countries (USA, China and India, respectively) accounted for around 50% of the total number of publications. Environmental Science was the most common subject (51.4% contribution), followed by Chemistry (26.7% contribution). The research efforts targeted toward the search for technical solutions for molybdenum removal from water are not as important as the ones focused on the identification of molybdenum-polluted water bodies and the analysis of the health effects of the intake of molybdenum. Nevertheless, examples of technological treatments to remove molybdenum from the aqueous solution include the use of adsorption and ion exchange; coagulation, flocculation and precipitation followed by filtration; membrane technologies and biological treatments.
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15
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Mérida-Ortega Á, Rothenberg SJ, Cebrián ME, López-Carrillo L. Breast cancer and urinary metal mixtures in Mexican women. ENVIRONMENTAL RESEARCH 2022; 210:112905. [PMID: 35217012 DOI: 10.1016/j.envres.2022.112905] [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: 09/27/2021] [Revised: 02/01/2022] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Humans are environmentally exposed to many metals throughout their lives. Simultaneous exposure to several metals could result in synergistic or antagonistic toxicological effects among them; however, the information on exposure to mixtures of metals and breast cancer (BC) is scarce. The objective of this report was to compare metals considered human carcinogens, individually and as mixtures, in women with and without BC. This is a secondary analysis of a population-based case-control study that was carried out from 2007 to 2011 in Northern Mexico. A total of 499 histologically confirmed BC cases and 499 controls were included. Information about sociodemographic, lifestyle and reproductive characteristics was obtained by in-person interviews. Urinary concentrations of aluminum (Al), cadmium (Cd), chromium (Cr), nickel (Ni), lead (Pb), antimony (Sb), cobalt (Co), molybdenum (Mo), tin (Sn), and vanadium (V) were determined by inductively coupled plasma triple quadrupole. Metal mixtures were identified by principal component analysis with creatinine-corrected metals. Over 90% of subjects had metal measurements above the detection limit except tin (86%) and antimony (78.4%). After adjusting by selected covariables, we observed that the individual urinary concentrations of V, Co, and Mo were lower among cases compared to controls; in contrast to Sn that had higher concentrations. We identified two principal component mixtures with opposite relationships with BC: Cr, Ni, Sb, Al, Pb and Sn (OR = 1.15; CI95% 1.06,1.25) and Mo and Co (OR = 0.56; CI95% 0.49,0.64). This is the first study that identified urinary metal mixtures that differed between women with and without BC. Our results warrant confirmation in further prospective epidemiological studies. In addition, the elucidation of underlying mechanisms of metal interactions on BC risk deserves further research.
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Affiliation(s)
- Ángel Mérida-Ortega
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Av. Universidad 655, Col. Santa María Ahuacatitlán, Morelos, C.P. 62100, Mexico
| | - Stephen J Rothenberg
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Av. Universidad 655, Col. Santa María Ahuacatitlán, Morelos, C.P. 62100, Mexico
| | - Mariano E Cebrián
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Ciudad de México, C.P. 07360, Mexico
| | - Lizbeth López-Carrillo
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Av. Universidad 655, Col. Santa María Ahuacatitlán, Morelos, C.P. 62100, Mexico.
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16
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MacDonald AM, Gabos S, Braakman S, Cheperdak L, Lee B, Hrudey SE, Le XC, Li XF, Mandal R, Martin JW, Schopflocher D, Lyon ME, Cheung PY, Ackah F, Graydon JA, Reichert M, Lyon AW, Jarrell J, Benadé G, Charlton C, Huang D, Bennett MJ, Kinniburgh DW. Maternal and child biomonitoring strategies and levels of exposure in western Canada during the past seventeen years: The Alberta Biomonitoring Program: 2005-2021. Int J Hyg Environ Health 2022; 244:113990. [PMID: 35714548 DOI: 10.1016/j.ijheh.2022.113990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/13/2022] [Accepted: 05/31/2022] [Indexed: 10/18/2022]
Abstract
The Alberta Biomonitoring Program (ABP) was created in 2005 with the initial goal of establishing baseline levels of exposure to environmental chemicals in specific populations in the province of Alberta, Canada, and was later expanded to include multiple phases. The first two phases focused on evaluating exposure in pregnant women (Phase One, 2005) and children (Phase Two, 2004-2006) by analyzing residual serum specimens. Phase Three (2013-2016) employed active recruitment techniques to evaluate environmental exposures using a revised list of chemicals in paired serum pools from pregnant women and umbilical cord blood. These three phases of the program monitored a total of 226 chemicals in 285 pooled serum samples representing 31,529 individuals. Phase Four (2017-2020) of the ABP has taken a more targeted approach, focusing on the impact of the federal legalization of cannabis on the exposure of pregnant women in Alberta to cannabis, as well as tobacco and alcohol using residual prenatal screening serum specimens. Chemicals monitored in the first three phases include herbicides, neutral pesticides, metals, metalloids, and micronutrients, methylmercury, organochlorine pesticides, organophosphate pesticides, parabens, phthalate metabolites, perfluoroalkyl substances (PFAS), phenols, phytoestrogens, polybrominated compounds, polychlorinated biphenyls (PCBs), dioxins and furans, polycyclic aromatic hydrocarbons (PAHs), and tobacco biomarkers. Phase Four monitored six biomarkers of tobacco, alcohol, and cannabis. All serum samples were pooled. Mean concentrations and 95% confidence intervals (CIs) were calculated for the chemicals detected in ≥25% of the sample pools. cross the first three phases, the data from the ABP has provided baseline exposure levels for the chemicals in pregnant women, children, and newborns across the province. Comparison within and among the phases has highlighted differences in exposure levels with age, geography, seasonality, sample type, and time. The strategies employed throughout the program phases have been demonstrated to provide effective models for population biomonitoring.
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Affiliation(s)
- Amy M MacDonald
- Alberta Centre for Toxicology, Department of Physiology & Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
| | - Stephan Gabos
- Alberta Centre for Toxicology, Department of Physiology & Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | | | | | - Bonita Lee
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Steve E Hrudey
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - X Chris Le
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Xing-Fang Li
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Rupasri Mandal
- The Metabolomics Innovation Centre, Faculty of Science, University of Alberta, Edmonton, Alberta, Canada
| | - Jonathan W Martin
- Science for Life Laboratory, Department of Environmental Sciences, Stockholm University, Sweden
| | - Don Schopflocher
- Faculty of Nursing, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Martha E Lyon
- Department of Pathology and Laboratory Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Po-Yin Cheung
- Division of Neonatal-Perinatal Care (NICU), Department of Pediatrics, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Fred Ackah
- Alberta Government, Strategic Data & Analytic Branch, Edmonton, Alberta, Canada
| | | | - Megan Reichert
- Alberta Health, Health Protection Branch, Edmonton, Alberta, Canada
| | - Andrew W Lyon
- Department of Pathology and Laboratory Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - John Jarrell
- Department of Obstetrics & Gynaecology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Gerhard Benadé
- Emergency, Public Health & Preventive Medicine, Alberta Health Services, Edmonton, Alberta, Canada
| | - Carmen Charlton
- Alberta Precision Laboratory - Public Health Laboratory, University of Alberta Hospitals, Edmonton, Alberta, Canada
| | - Dorothy Huang
- Alberta Centre for Toxicology, Department of Physiology & Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Melissa J Bennett
- Alberta Centre for Toxicology, Department of Physiology & Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - David W Kinniburgh
- Alberta Centre for Toxicology, Department of Physiology & Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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17
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Vasto S, Di Gaudio F, Raso M, Sabatino L, Caldarella R, De Pasquale C, Di Rosa L, Baldassano S. Impact on Glucose Homeostasis: Is Food Biofortified with Molybdenum a Workable Solution? A Two-Arm Study. Nutrients 2022; 14:1351. [PMID: 35405964 PMCID: PMC9002377 DOI: 10.3390/nu14071351] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/20/2022] [Accepted: 03/22/2022] [Indexed: 12/16/2022] Open
Abstract
Diabetes is expected to increase up to 700 million people worldwide with type 2 diabetes being the most frequent. The use of nutritional interventions is one of the most natural approaches for managing the disease. Minerals are of paramount importance in order to preserve and obtain good health and among them molybdenum is an essential component. There are no studies about the consumption of biofortified food with molybdenum on glucose homeostasis but recent studies in humans suggest that molybdenum could exert hypoglycemic effects. The present study aims to assess if consumption of lettuce biofortified with molybdenum influences glucose homeostasis and whether the effects would be due to changes in gastrointestinal hormone levels and specifically Peptide YY (PYY), Glucagon-Like Peptide 1 (GLP-1), Glucagon-Like Peptide 2 (GLP-2), and Gastric Inhibitory Polypeptide (GIP). A cohort of 24 people was supplemented with biofortified lettuce for 12 days. Blood and urine samples were obtained at baseline (T0) and after 12 days (T2) of supplementation. Blood was analyzed for glucose, insulin, insulin resistance, β-cell function, and insulin sensitivity, PYY, GLP-1, GLP-2 and GIP. Urine samples were tested for molybdenum concentration. The results showed that consumption of lettuce biofortified with molybdenum for 12 days did not affect beta cell function but significantly reduced fasting glucose, insulin, insulin resistance and increased insulin sensitivity in healthy people. Consumption of biofortified lettuce did not show any modification in urine concentration of molybdenum among the groups. These data suggest that consumption of lettuce biofortified with molybdenum improves glucose homeostasis and PYY and GIP are involved in the action mechanism.
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Affiliation(s)
- Sonya Vasto
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy;
- Euro-Mediterranean Institutes of Science and Technology (IEMEST), 90139 Palermo, Italy
| | - Francesca Di Gaudio
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialized Medicine (ProMISE) G. D’Alessandro, University of Palermo, 90127 Palermo, Italy;
| | - Maria Raso
- Chromatography and Mass Spectrometry Section, Quality Control and Chemical Risk (CQRC), Department PROMISE, University Palermo, 90133 Palermo, Italy;
| | - Leo Sabatino
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Viale delle Scienze, Ed. 5, 90128 Palermo, Italy; (L.S.); (C.D.P.)
| | - Rosalia Caldarella
- Department of Laboratory Medicine, “P. Giaccone” University Hospital, 90128 Palermo, Italy;
| | - Claudio De Pasquale
- Dipartimento Scienze Agrarie, Alimentari e Forestali (SAAF), University of Palermo, Viale delle Scienze, Ed. 5, 90128 Palermo, Italy; (L.S.); (C.D.P.)
| | - Luigi Di Rosa
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy;
| | - Sara Baldassano
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy;
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Huang S, Zhong D, Lv Z, Cheng J, Zou X, Wang T, Wen Y, Wang C, Yu S, Huang H, Li L, Nie Z. Associations of multiple plasma metals with the risk of metabolic syndrome: A cross-sectional study in the mid-aged and older population of China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 231:113183. [PMID: 35032729 DOI: 10.1016/j.ecoenv.2022.113183] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND Metal exposures have been reported to be related to the progress of metabolic syndrome (MetS), however, the currents results were still controversial, and the evidence about the effect of multi-metal exposure on MetS were limited. In this study, we intended to evaluate the relationships between metal mixture exposure and the prevalence of MetS in a mid-aged and older population of China. METHODS The plasma levels of 13 metals (aluminum, magnesium, calcium, iron, manganese, cobalt, copper, arsenic, zinc, selenium, cadmium, molybdenum and thallium) were detected by inductively coupled plasma mass spectrometry (ICP-MS) in 1277 adults recruited from the Eighth Affiliated Hospital of Sun Yat-Sen University (Shenzhen, China). Logistic regression, the adaptive least absolute shrinkage and selectionator operator (LASSO) penalized regression analysis and restricted cubic spline (RCS) analysis were used to explore the associations and dose-response relationships of plasma metals with MetS. To evaluate the cumulative effect of metals, the Bayesian Kernel Machine Regression (BKMR) model was applied. RESULTS The concentrations of magnesium and molybdenum were lower in the MetS group (p < 0.05). In the single-metal model, the adjusted ORs (95%CI) in the highest quartiles were 0.44 (0.35, 0.76) for magnesium and 0.30 (0.17, 0.51) for molybdenum compared with the lowest quartile. The negative associations and dose-dependent relationships of magnesium and molybdenum with MetS were further validated by the stepwise model, adaptive LASSO penalized regression and RCS analysis. The BKMR models showed that the metal mixture were associated with decreased MetS when the chemical mixtures were≥ 25th percentile compared to their medians, and Mg, Mo were the major contributors to the combined effect. Moreover, concentrations of magnesium were significantly related to blood glucose, and molybdenum was related with BMI, blood glucose and blood pressure. CONCLUSIONS Elevated levels of plasma magnesium and molybdenum were associated with decreased prevalence of MetS. Further investigations in larger perspective cohorts are needed to confirm our findings.
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Affiliation(s)
- Suli Huang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Danrong Zhong
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China; Department of Cardiovascular Medicine, Research Center of Translational Medicine, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515000, China
| | - Ziquan Lv
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Jinquan Cheng
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Xuan Zou
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Tian Wang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China; Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Ying Wen
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Chao Wang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Shuyuan Yu
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Hui Huang
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Lu Li
- Department of Cardiovascular Medicine, Research Center of Translational Medicine, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515000, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515000, China
| | - Zhiqiang Nie
- Department of Cardiology, Hypertension Research Laboratory, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
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Li B, Huang Y, Luo C, Peng X, Jiao Y, Zhou L, Yin J, Liu L. Inverse Association of Plasma Molybdenum with Metabolic Syndrome in a Chinese Adult Population: A Case-Control Study. Nutrients 2021; 13:nu13124544. [PMID: 34960095 PMCID: PMC8707707 DOI: 10.3390/nu13124544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 02/07/2023] Open
Abstract
Molybdenum has been found to be associated with metabolic disorders. However, the relationship between molybdenum and metabolic syndrome (MetS) is still unclear. A large case-control study was conducted in a Chinese population from the baseline of Ezhou-Shenzhen cohort. A total of 5356 subjects were included with 2678 MetS and 2678 controls matched by sex and age (±2 years). Medians (IQRs) of plasma molybdenum concentrations were 1.24 μg/L for MetS cases and 1.46 μg/L for controls. After adjustment for multiple covariates, the odds ratio (OR) and 95% confidence intervals (CIs) for MetS were 1.00 (reference), 0.71 (0.59-0.84), 0.56 (0.46-0.68), and 0.47 (0.39-0.58) across quartiles of plasma molybdenum, and per SD increment of log-transformed molybdenum was associated with a 23% lower risk of MetS. In the spline analysis, the risk of MetS and its components decreased steeply with increasing molybdenum and followed by a plateau when the cutoff point was observed around 2.0 μg/L. The dose-dependent relationship of molybdenum with MetS remained consistent when considering other essential elements in the Bayesian kernel machine regression (BKMR) model. In our study, higher plasma molybdenum was significantly associated with a lower risk of MetS, as well as its components, in a dose-response manner.
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Affiliation(s)
- Ben Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Yue Huang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Cheng Luo
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Xiaolin Peng
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
- Department of Non-Communicable Disease Prevention and Control, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518000, China
| | - Yang Jiao
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Li Zhou
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Jiawei Yin
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
- Correspondence: (J.Y.); (L.L.); Tel./Fax: +86-27-83-650-522 (J.Y. & L.L.)
| | - Liegang Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
- Correspondence: (J.Y.); (L.L.); Tel./Fax: +86-27-83-650-522 (J.Y. & L.L.)
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Environmental molybdate monitoring based on vanadium oxide quantum dots-derived fluorescent strategy. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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21
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Sheikhzadeh H, Hamidian AH. Bioaccumulation of heavy metals in fish species of Iran: a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:3749-3869. [PMID: 33818681 DOI: 10.1007/s10653-021-00883-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 03/08/2021] [Indexed: 06/12/2023]
Abstract
Accumulation of heavy metals (HMs) in fish tissues is an important factor in monitoring the health and safety of aquatic ecosystems. Furthermore, fish are important parts of aquatic food chains and play a significant role in human health. Considering the significant role of fish in the diet of humans and their ability to transfer and biomagnify HMs, it is necessary to determine and study these contaminants in fish tissues, especially in the edible parts of the fish. In addition to the other ecological and economic services of aquatic ecosystems, water bodies, especially the Persian Gulf in the south and the Caspian Sea in the north of Iran, are the main sources of seafood for people in nearby areas, as well as people living farther away who have gained access to seafood due to the extensive trade of aquatic organisms. This study provides an overview of the health conditions of the aquatic ecosystems in Iran by monitoring HM bioaccumulation in fish species. For this purpose, we reviewed, summarized, and evaluated papers published on HM concentrations in fish species from different aquatic ecosystems, including the Persian Gulf, the Caspian Sea, wetlands, rivers, qanats, water reservoirs, lakes, and dams, with emphasis on species habitats, feeding habits, and target organs in accumulation of HMs. Generally, the highest concentrations of HMs were observed in fishes collected from the Persian Gulf, followed by species from the Caspian Sea. Species inhabiting the lower zone of the water column and carnivorous and/or omnivorous species showed the highest levels of HMs. Moreover, liver was the main accumulator organ for HMs.
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Affiliation(s)
- Hassan Sheikhzadeh
- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Tehran, P.O. Box: 4314, 31587-77878, Karaj, Iran
| | - Amir Hossein Hamidian
- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Tehran, P.O. Box: 4314, 31587-77878, Karaj, Iran.
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Watts MJ, Menya D, Humphrey OS, Middleton DS, Hamilton E, Marriott A, McCormack V, Osano O. Human urinary biomonitoring in Western Kenya for micronutrients and potentially harmful elements. Int J Hyg Environ Health 2021; 238:113854. [PMID: 34624595 DOI: 10.1016/j.ijheh.2021.113854] [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: 08/11/2021] [Revised: 09/20/2021] [Accepted: 09/30/2021] [Indexed: 11/15/2022]
Abstract
Spot urinary elemental concentrations are presented for 357 adults from Western Kenya collected between 2016 and 2019 as part of a wider environmental geochemical survey. The aim of this study was to establish population level urinary elemental concentrations in Western Kenya for micronutrients and potentially harmful elements for inference of health status against established thresholds. For elements where thresholds inferring health status were not established in the literature using urine as a non-invasive matrix, this study generated reference values with a 95% confidence interval (RV95s) to contextualise urinary elemental data for this population group. Data are presented with outliers removed based upon creatinine measurements leaving 322 individuals, for sub-categories (e.g. age, gender) and by county public health administrative area. For Western Kenya, reference values with a 95% confidence interval (RV95s) were calculated as follows (μg/L): 717 (I), 89 (Se), 1753 (Zn), 336 (Mo), 24 (Cu), 15.6 (Ni), 22.1 (As), 0.34 (Cd), 0.47 (Sn), 0.46 (Sb), 7.0 (Cs), 13.4 (Ba and 1.9 (Pb). Urinary concentrations at the 25th/75th percentiles were as follows (μg/L): 149/368 (I), 15/42 (Se), 281/845 (Zn), 30/128 (Mo), 6/13 (Cu), 1.7/6.1 (Ni), 2.0/8.2 (As). 0.1/0.3 (Cd), 0.05/0.22 (Sn), 0.04/0.18 (Sb), 1.2/3.6 (Cs), 0.8/4.0 (Ba) and 0.2/0.9 (Pb). Urinary concentrations at a population level inferred excess intake of micronutrients I, Se, Zn and Mo in 38, 6, 57 and 14% of individuals, respectively, versus a bioequivalent (BE) upper threshold limit, whilst rates of deficiency were relatively low at 15, 15, 9 and 18%, respectively. Each of the administrative counties showed a broadly similar range of urinary elemental concentrations, with some exceptions for counties bordering Lake Victoria where food consumption habits may differ significantly to other counties e.g. I, Se, Zn. Corrections for urinary dilution using creatinine, specific gravity and osmolality provided a general reduction in RV95s for I, Mo, Se, As and Sn compared to uncorrected data, with consistency between the three correction methods.
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Affiliation(s)
- Michael J Watts
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Nottingham, UK.
| | - Diana Menya
- School of Public Health, Moi University, Eldoret, Kenya.
| | - Olivier S Humphrey
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Nottingham, UK
| | - DanielR S Middleton
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer, Lyon, France
| | - Elliott Hamilton
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Nottingham, UK
| | - Andrew Marriott
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Nottingham, UK
| | - Valerie McCormack
- Environment and Lifestyle Epidemiology Branch, International Agency for Research on Cancer, Lyon, France
| | - Odipo Osano
- School of Environmental Sciences, University of Eldoret, Eldoret, Kenya
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Drevin G, Lelievre B, Riou J, Briet M. Molybdenum Occupational Study in a French Cohort of Workers. Ann Work Expo Health 2021; 66:52-59. [PMID: 34278419 DOI: 10.1093/annweh/wxab048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/07/2021] [Accepted: 06/11/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Occupational exposure to molybdenum has been poorly documented to date. Here, we present a retrospective study evaluating urinary molybdenum concentration before and after shift over a period of 2 years in exposed workers. METHODS This retrospective study was conducted across eight industrial sites in France and included all workers undergoing medical follow-up for occupational molybdenum exposure. A mean of six sequential samples (before and after shift) was performed for each worker. The urinary molybdenum concentration was determined using a validated method of inductively coupled plasma-mass spectrometry. A mixed linear model was built and linear regression was used to verify the extent to which the urinary molybdenum concentration depends on the age of the workers and the sampling period. Additionally, an analysis based on individual trajectory was also performed. RESULTS Seventy-seven workers were included in the present study. Post-shift urinary molybdenum concentrations were significantly higher than pre-shift values [median (95th percentile) 37.9 (91.1), versus 60.6 (190.0) µg g-1 creatinine, respectively, P < 0.009]. No accumulation of molybdenum over time was observed. The urinary molybdenum concentrations were not influenced by age. Four workers presented high post-shift values as a result of not adhering to protection measures (maxima of 529.8, 359.7, 386.3, and 1459.7 µg g-1 creatinine, respectively). CONCLUSIONS To our knowledge, this is the first study of occupational molybdenum exposure in France to include an individual trajectory analysis. No accumulation of molybdenum was seen but high post-shift molybdenum urinary concentrations were observed for some workers. The study emphasizes the importance of molybdenum monitoring in exposed workers.
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Affiliation(s)
- Guillaume Drevin
- Department of Methodology and Biostatistics, University Hospital of Angers, 4 rue Larrey, 49933 Angers Cedex 09, France.,Faculté de Médecine, Université d'Angers, rue Haute Reculée 49045 Angers, France
| | - Benedicte Lelievre
- Department of Methodology and Biostatistics, University Hospital of Angers, 4 rue Larrey, 49933 Angers Cedex 09, France.,GEIHP-UPRES EA 342-Université d'Angers, 4 rue Larrey, 49933 Angers Cedex 09, France
| | - Jérémie Riou
- Department of Methodology and Biostatistics, University Hospital of Angers, 4 rue Larrey, 49933 Angers Cedex 09, France.,MINT, Université d'Angers, INSERM 1066, CNRS 6021, University Hospital of Angers, 4 rue Larrey, 49933 Angers Cedex 09, France
| | - Marie Briet
- Department of Methodology and Biostatistics, University Hospital of Angers, 4 rue Larrey, 49933 Angers Cedex 09, France.,Faculté de Médecine, Université d'Angers, rue Haute Reculée 49045 Angers, France.,Laboratoire MitoVasc, UMR CNRS 6214 INSERM 1083, Faculté de Médecine, rue Haute Reculée, 49045 Angers Cedex, France
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Coscollà C, Sánchez A, Corpas-Burgos F, López A, Pérez R, Kuligowski J, Vento M, Yusà V. Exposure and Risk Assessment of Hg, Cd, As, Tl, Se, and Mo in Women of Reproductive Age Using Urinary Biomonitoring. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:1477-1490. [PMID: 33492722 DOI: 10.1002/etc.4996] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/07/2020] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
The present study analyzed the exposure and risk assessment of 4 toxic (Hg, Cd, As, Tl) and 2 essential (Se, Mo) elements in 119 Spanish women of reproductive age. The focus was on the elements for which risk-based benchmark, biomonitoring equivalents, or health-related human biomonitoring values have already been established. All elements presented frequencies of detection of 100% (greater than the limit of detection), except for Cd (99%). The 95th percentile concentrations were, for the toxic metals, 358.37 µg/L (total As), 1.10 µg/L (Cd), 0.41 µg/L (Tl), and 3.03 µg/L (total Hg) and, for the essential elements, 68.95 µg/L (total Se) and 154.67 (Mo). We examined sociodemographic factors and dietary habits of women as predictors of urinary metal concentrations. Arsenic was positively associated with fish, shellfish, and canned fish consumption, whereas Mo was found to be associated with the consumption of cereals and pastry products. Maternal urine levels of As were negatively correlated with gestational age. In a risk-assessment context, hazard quotients (HQs) using the 95th percentile ranged from 0.08 (Tl) to 15.1 (urinary speciated As), with Cd presenting an HQ of 1.1 (95th percentile). None of the essential metals presented concentrations higher than their upper intake level; however, 3% of the mothers showed lower levels of Se than the estimated average requirement (EAR) biomonitoring equivalent, and 20% of the mothers were found to have lower levels of Mo than the EAR biomonitoring equivalent, suggesting a nutritionally inadequate diet. Environ Toxicol Chem 2021;40:1477-1490. © 2021 SETAC.
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Affiliation(s)
- Clara Coscollà
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | | | - Francisca Corpas-Burgos
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | - Antonio López
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | - Rosa Pérez
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | - Julia Kuligowski
- Neonatal Research Unit, Health Research Institute La Fe, Valencia, Spain
| | - Máximo Vento
- Neonatal Unit, University and Polytechnic Hospital La Fe, Valencia, Spain
| | - Vicent Yusà
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
- Public Health Laboratory of Valencia, Valencia, Spain
- Analytical Chemistry Department, University of Valencia, Valencia, Spain
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25
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Zhang Y, Zhao J, Zhou BH, Tian EJ, Tian WS, Wang HW. iTRAQ-based quantitative proteomic analysis of low molybdenum inducing thymus atrophy and participating in immune deficiency-related diseases. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 216:112200. [PMID: 33862434 DOI: 10.1016/j.ecoenv.2021.112200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/10/2021] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
Molybdenum is a trace element with extremely uneven distribution in the environment. It constitutes the active sites of molybdenum enzymes that can catalyze redox reactions in almost all organisms. In this study, a mouse model with a low molybdenum diet was established to investigate the differential protein expressions in the thymus and the mechanism of molybdenum regulating thymocyte development. Results showed that the thymus evidently atrophied, and the weight and organ index of the thymus substantially decreased under the condition of low molybdenum (P < 0.01). A total of 274 differentially expressed proteins (DEPs) were screened through isobaric tag for relative and absolute quantification; amongst them, ribosomal proteins (38) were the most abundant. Bioinformatics analysis revealed that DEPs were mainly involved in protein metabolism (18%), nucleus (15%) and nucleic acid binding activity (17%), corresponding to biological process, cellular component and molecular function, respectively. Moreover, DEPs induced by low molybdenum were enriched in 94 pathways, of which typical maps including ribosome, oxidative phosphorylation and systemic lupus erythematosus. Flow cytometry analysis indicated the prominent imbalances of CD4+ and CD8+ cell ratios (P < 0.05, P < 0.01), suggesting the disordered development of T cell subsets. Overall, low molybdenum resulted in thymus atrophy by interfering with ribosomal protein expression and protein metabolism. This study provides a data platform for revealing the linkage between molybdenum and thymus-dependent immunity.
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Affiliation(s)
- Yan Zhang
- Henan Key Laboratory of Environmental and Animal Product Safety Henan University of Science and Technology, Luoyang 471003, Henan, China
| | - Jing Zhao
- Henan Key Laboratory of Environmental and Animal Product Safety Henan University of Science and Technology, Luoyang 471003, Henan, China
| | - Bian-Hua Zhou
- Henan Key Laboratory of Environmental and Animal Product Safety Henan University of Science and Technology, Luoyang 471003, Henan, China
| | - Er-Jie Tian
- Henan Key Laboratory of Environmental and Animal Product Safety Henan University of Science and Technology, Luoyang 471003, Henan, China
| | - Wei-Shun Tian
- College of Veterinary Medicine and Bio-safety Research Institute, Jeonbuk National University, Iksan 54596, South Korea
| | - Hong-Wei Wang
- Henan Key Laboratory of Environmental and Animal Product Safety Henan University of Science and Technology, Luoyang 471003, Henan, China.
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26
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Jiang A, Zhang Y, Wu D, Li S, Liu Z, Yang Z, Wei Z. Sodium molybdate induces heterophil extracellular traps formation in chicken. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 210:111886. [PMID: 33421725 DOI: 10.1016/j.ecoenv.2020.111886] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/27/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
Molybdenum (Mo) is not only an important rare metal that is widely used in industrial production but also an essential trace element for plants and animals. Nevertheless, in Mo polluted areas, excess Mo intake will not only cause gout in humans but also cause diarrhea in livestock and growth inhibition of chickens. Heterophils extracellular traps (HETs) are an important way to clear pathogens in the innate immune system of the chicken. However, the effects of Mo on the innate immune responses of HETs formation in chicken, and the mechanism undergoing this phenomenon remain unknown. In the study, we firstly aim to investigate the effects of sodium molybdate (Na2MoO4) on chicken HETs formation in vitro, and further to explore its related metabolic requirements and molecular mechanisms. Chicken heterophils were cultured with Na2MoO4, and Na2MoO4-induced HETs structures were analyzed by confocal microscopy. Moreover, Na2MoO4-induced HETs were quantified by Quant-iT PicoGreen® dsDNA Assay kits and fluorescence microplate. It has been shown that Na2MoO4 truly triggered HETs-like structures that were composed of DNA decorated with citrullinated histone 3 (citH3) and elastase. The inhibitors of NADPH oxidase, ERK1/2 and p38 MAPK signaling pathway significantly reduced Na2MoO4-induced HETs formation. Further experiments on energy metabolism involving Na2MoO4-induced HETs formation showed that Na2MoO4-induced HETs release was relevant to glucose, and the inhibitors of glycolysis including 3PO, AZD23766 and 3-Bromopyuvic acid, the inhibitors of glucose transport including STF31 and Ritonavir and NSC23766 significantly decreased Na2MoO4-induced HETs formation. In summary, these results demonstrate that Mo does induce chicken HETs formation in vitro, and the formation of HETs is a process relying on glucose transport 1 (GLUT1),glucose transport 4 (GLUT4), glycolysis, and ROS production depended on the activation of NADPH oxidase, ERK1/2 and p38 signaling pathways, which also reflects the early innate immune responses of chicken against excessive molybdenum intake.
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Affiliation(s)
- Aimin Jiang
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China; College of Veterinary Medicine, Jilin University, Changchun 130062, Jilin, PR China
| | - Yong Zhang
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China; College of Veterinary Medicine, Jilin University, Changchun 130062, Jilin, PR China
| | - Di Wu
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China; College of Veterinary Medicine, Jilin University, Changchun 130062, Jilin, PR China
| | - Shuangqiu Li
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China; College of Veterinary Medicine, Jilin University, Changchun 130062, Jilin, PR China
| | - Ziyi Liu
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China; College of Veterinary Medicine, Jilin University, Changchun 130062, Jilin, PR China
| | - Zhengtao Yang
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China
| | - Zhengkai Wei
- College of Life Sciences and Engineering, Foshan University, Foshan 528225, Guangdong, PR China.
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Dos Santos M, Penteado JO, Baisch PRM, Soares BM, Muccillo-Baisch AL, da Silva Júnior FMR. Selenium dietary intake, urinary excretion, and toxicity symptoms among children from a coal mining area in Brazil. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:65-75. [PMID: 32710235 DOI: 10.1007/s10653-020-00672-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 07/09/2020] [Indexed: 06/11/2023]
Abstract
Selenium (Se) is necessary for several physiological functions in the human body; however, high concentrations of this element in coal mining areas raise the possibility of Se-related health risks. Children are much more vulnerable and at risk to environmental hazards than adults. The largest coal mining area of Brazil is located in the city of Candiota, where previous studies point to significant urinary Se concentrations among children. Food intake is the main Se source. The study aimed to evaluate dietary Se intake, as well as urinary Se excretion and classic symptoms of Se intoxication among children from Candiota and a control city in the same region. A cross-sectional study was carried out, with participation from 242 children between 6 and 12 years old in two cities in Rio Grande do Sul state, Brazil. Socioeconomic variables, dietary intake, and Se toxicity symptoms were evaluated through a structured questionnaire, and urinary Se levels were measured. Children from both cities had normal levels of Se intake and urinary excretion; however, children from Candiota had significantly higher levels of Se in both parameters in relation to the control city, especially for Se urinary excretion. There was low prevalence of Se toxicity symptoms. We conclude that coal mining activities may increase Se intake in children and consequently its urinary excretion.
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Affiliation(s)
- Marina Dos Santos
- Programa de Pós-graduação em Ciências Da Saúde, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, Brazil
- Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Júlia Oliveira Penteado
- Programa de Pós-graduação em Ciências Da Saúde, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, Brazil
- Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Paulo Roberto Martins Baisch
- Laboratório de Oceanografia Geológica, Instituto de Oceanografia, Universidade Federal do Rio Grande do Sul, Rio Grande, Brazil
| | - Bruno Meira Soares
- Escola de Química de Alimentos, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Ana Luíza Muccillo-Baisch
- Programa de Pós-graduação em Ciências Da Saúde, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, Brazil
- Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Flavio Manoel Rodrigues da Silva Júnior
- Programa de Pós-graduação em Ciências Da Saúde, Faculdade de Medicina, Universidade Federal do Rio Grande, Rio Grande, Brazil.
- Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Brazil.
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Díaz de León-Martínez L, Ortega-Romero M, Grimaldo-Galeana JM, Barbier O, Vargas-Berrones K, García-Arreola ME, Rodriguez-Aguilar M, Flores-Ramírez R. Assessment of kidney health and exposure to mixture pollutants in the Mexican indigenous population. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:34557-34566. [PMID: 32557022 DOI: 10.1007/s11356-020-09619-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/04/2020] [Indexed: 05/18/2023]
Abstract
The indigenous population is one of the most vulnerable to suffer from contaminated environments. One of the target organs to suffer early deterioration from exposure to toxins is the kidney. The objective of this article was to evaluate biomarkers of exposure to organic and inorganic toxins and biomarkers of early kidney damage in urine from an indigenous Tenek population in Mexico. The biomarkers of exposure were Li, Be, Al, V, Cr, Mn, Fe, Ni, Cu, Zn, As, Se, Mo, Sn, Ba, and Pb evaluated by ICP-MS and hippuric acid for toluene exposure evaluated by UV-coupled with liquid chromatography; the biomarkers of kidney damage were cystatin C (Cys-C), osteopontin (OPN), retinol-binding protein-4 (RPB-4), and neutrophil gelatinase-associated lipocalin (NGAL). Thirty-one urine samples were obtained from indigenous people; 16, 42, 45.1, and 45.2% of the population exceeded the reference values for Pb, Zn, As, and hippuric acid respectively. Our results demonstrate significant correlations between the metals tested and the proteins associated with renal damage; Cys-C, OPN, and RPB4 showed a significant correlation with Li, B, and Mo, as well as hippuric acid in the case of Cys-C and Zn in OPN and RPB-4; NGAL did not present significant correlations with any of the pollutants of the study. This pilot study contributes to the evidence of great inequity in health associated to environmental pollution matters faced by indigenous people and addresses the need of initiatives for mitigation under the perspective that health is a fundamental human right.
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Affiliation(s)
- Lorena Díaz de León-Martínez
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Manolo Ortega-Romero
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), México, Ciudad de México, México
| | - José Moisés Grimaldo-Galeana
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Olivier Barbier
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), México, Ciudad de México, México
| | - Karla Vargas-Berrones
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - María Elena García-Arreola
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Maribel Rodriguez-Aguilar
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Rogelio Flores-Ramírez
- CONACYT Research Fellow, Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACYT), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México.
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Faure S, Noisel N, Werry K, Karthikeyan S, Aylward LL, St-Amand A. Evaluation of human biomonitoring data in a health risk based context: An updated analysis of population level data from the Canadian Health Measures Survey. Int J Hyg Environ Health 2019; 223:267-280. [PMID: 31523017 DOI: 10.1016/j.ijheh.2019.07.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/19/2019] [Accepted: 07/20/2019] [Indexed: 11/28/2022]
Abstract
In order to characterize exposure of the Canadian population to environmental chemicals, a human biomonitoring component has been included in the Canadian Health Measures Survey (CHMS). This nationally-representative survey, launched in 2007 by the Government of Canada, has measured over 250 chemicals in approximately 30,000 Canadians during the last decade. The capacity to interpret these data at the population level in a health risk context is gradually improving with the development of biomonitoring screening values, such as biomonitoring equivalents (BE) and human biomonitoring (HBM) values. This study evaluates recent population level biomonitoring data from the CHMS in a health risk context using biomonitoring screening values. Nationally representative biomonitoring data for fluoride, selenium, molybdenum, arsenic, silver, thallium, cyfluthrin, 2,4-dichlorophenoxyacetic acid (2,4-D), 3-phenoxybenzoic acid (3-PBA), chlorpyrifos, deltamethrin, bisphenol A, triclosan, acrylamide, cadmium, perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), bromoform, chloroform, benzene, toluene, xylene, ethylbenzene, styrene and tetrachloroethylene were screened as part as this study. For non-cancer endpoints, hazard quotients (HQs) were calculated as the ratio of population level concentrations of a specific chemical at the geometric mean and 95th percentile to the corresponding biomonitoring screening value. Cancer risks were calculated at the 5th, 25th, 50th, 75th and 95th percentiles of the population concentration using BEs based on a risk specific dose. Most of the chemicals analyzed had HQs below 1 suggesting that levels of exposure to these chemicals are not a concern at the population level. However, HQs exceeded 1 in smokers for cadmium, acrylamide and benzene, as well as in the general population for inorganic arsenic, PFOS and PFOA, 3-PBA and fluoride. Furthermore, cancer risks for inorganic arsenic, acrylamide, and benzene at most population percentiles of exposure were elevated (>10-5). Specifically, for inorganic arsenic in the general population, the HQ was 3.13 at the 95th percentile concentration and the cancer risk was 3.4 × 10-4 at the 50th percentile of population concentrations. These results suggest that the levels of exposure in the Canadian population to some of the environmental chemicals assessed might be of concern. The results of this screening exercise support the findings of previous risk assessments and ongoing efforts to reduce risks from exposure to chemicals evaluated as part of this study. Although paucity of biomonitoring screening values for several environmental contaminants may be a limitation to this approach, our assessment contributes to the prioritization of a number of chemicals measured as part of CHMS for follow-up activities such as more detailed characterization of exposure sources.
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Affiliation(s)
- Sarah Faure
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada; Department of Environmental and Occupational Health, University of Montreal, Montreal, Quebec, Canada.
| | - Nolwenn Noisel
- Department of Environmental and Occupational Health, University of Montreal, Montreal, Quebec, Canada.
| | - Kate Werry
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada.
| | | | - Lesa L Aylward
- Summit Toxicology, LLP, Falls Church, VA, USA; Queensland Alliance for Environmental Health Sciences, University of Queensland, Brisbane, QLD, Australia.
| | - Annie St-Amand
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada.
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Montes-Castro N, Alvarado-Cruz I, Torres-Sánchez L, García-Aguiar I, Barrera-Hernández A, Escamilla-Núñez C, Del Razo LM, Quintanilla-Vega B. Prenatal exposure to metals modified DNA methylation and the expression of antioxidant- and DNA defense-related genes in newborns in an urban area. J Trace Elem Med Biol 2019; 55:110-120. [PMID: 31345348 DOI: 10.1016/j.jtemb.2019.06.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 06/11/2019] [Accepted: 06/17/2019] [Indexed: 12/17/2022]
Abstract
The developmental period in utero is a critical window for environmental exposure. Epigenetic fetal programming via DNA methylation is a pathway through which metal exposure influences the risk of developing diseases later in life. Genetic damage repair can be modified by alterations in DNA methylation, which, in turn, may modulate gene expression due to metal exposure. We investigated the impact of prenatal metal exposure on global and gene-specific DNA methylation and mRNA expression in 181 umbilical cord blood samples from newborns in Mexico City. Global (LINE1) and promoter methylation of DNA-repair (OGG1 and PARP1) and antioxidant (Nrf2) genes was evaluated by pyrosequencing. Prenatal metal exposure (As, Cu, Hg, Mn, Mo, Pb, Se, and Zn) was determined by ICP-MS analysis of maternal urine samples. Multiple regression analyses revealed that DNA methylation of LINE1, Nrf2, OGG1, and PARP1 was associated with potentially toxic (As, Hg, Mn, Mo, and Pb) and essential (Cu, Se, and Zn) elements, and with their interactions. We also evaluated the association between gene expression (mRNA levels quantified by p-PCR) and DNA methylation. An increase in OGG1 methylation at all sites and at CpG2, CpG3, and CpG4 sites was associated with reduced mRNA levels; likewise, methylation at the CpG5, CpG8, and CpG11 sites of PARP1 was associated with reduced mRNA expression. In contrast, methylation at the PARP1 CpG7 site was positively associated with its mRNA levels. No associations between Nrf2 expression and CpG site methylation were observed. Our data suggest that DNA methylation can be influenced by prenatal metal exposure, which may contribute to alterations in the expression of repair genes, and therefore, result in a lower capacity for DNA damage repair in newborns.
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Affiliation(s)
- N Montes-Castro
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - I Alvarado-Cruz
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - L Torres-Sánchez
- National Institute of Public Health-INSP, Ave. Universidad 655, Santa María Ahuacatitlán, Cuernavaca, Morelos, 62100, Mexico
| | - I García-Aguiar
- Department of Molecular Biomedicine, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - A Barrera-Hernández
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - C Escamilla-Núñez
- National Institute of Public Health-INSP, Ave. Universidad 655, Santa María Ahuacatitlán, Cuernavaca, Morelos, 62100, Mexico
| | - L M Del Razo
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - B Quintanilla-Vega
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico.
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31
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Derivation of biomonitoring equivalents (BE values) for zinc. Regul Toxicol Pharmacol 2019; 106:178-186. [DOI: 10.1016/j.yrtph.2019.04.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 04/15/2019] [Accepted: 04/21/2019] [Indexed: 11/23/2022]
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Middleton DRS, McCormack VA, Munishi MO, Menya D, Marriott AL, Hamilton EM, Mwasamwaja AO, Mmbaga BT, Samoei D, Osano O, Schüz J, Watts MJ. Intra-household agreement of urinary elemental concentrations in Tanzania and Kenya: potential surrogates in case-control studies. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2019; 29:335-343. [PMID: 30242267 PMCID: PMC6428637 DOI: 10.1038/s41370-018-0071-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 08/06/2018] [Accepted: 08/15/2018] [Indexed: 05/04/2023]
Abstract
Element deficiencies and excesses play important roles in non-communicable disease aetiology. When investigating their roles in epidemiologic studies without prospective designs, reverse-causality limits the utility of transient biomarkers in cases. This study aimed to investigate whether surrogate participants may provide viable proxies by assessing concentration correlations within households. We obtained spot urine samples from 245 Tanzanian and Kenyan adults (including 101 household pairs) to investigate intra-household correlations of urinary elements (As, Ba, Ca, Cd, Co, Cs, Cu, Fe, Li, Mn, Mo, Ni, Pb, Rb, S, Se, Sr, Tl, V and Zn) and concentrations (also available for: Bi, Ce, Sb, Sn and U) relative to external population-levels and health-based values. Moderate-strong correlations were observed for As (r = 0.65), Cs (r = 0.67), Li (r = 0.56), Mo (r = 0.57), Se (r = 0.68) and Tl (r = 0.67). Remaining correlations were <0.41. Median Se concentrations in Tanzania (29 µg/L) and Kenya (24 µg/L) were low relative to 5738 Canadians (59 µg/L). Exceedances (of reference 95th percentiles) were observed for: Co, Mn, Mo, Ni and U. Compared to health-based values, exceedances were present for As, Co, Mo and Se but deficiencies were also present for Mo and Se. For well correlated elements, household members in East African settings provide feasible surrogate cases to investigate element deficiencies/excesses in relation to non-communicable diseases.
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Affiliation(s)
- Daniel R S Middleton
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), Lyon, France.
| | - Valerie A McCormack
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), Lyon, France
| | | | - Diana Menya
- School of Public Health, Moi University, Eldoret, Kenya
- University of Eldoret, Eldoret, Kenya
| | - Andrew L Marriott
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Keyworth, Nottingham, UK
| | - Elliott M Hamilton
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Keyworth, Nottingham, UK
| | | | | | | | | | - Joachim Schüz
- Section of Environment and Radiation, International Agency for Research on Cancer (IARC), Lyon, France
| | - Michael J Watts
- Inorganic Geochemistry, Centre for Environmental Geochemistry, British Geological Survey, Keyworth, Nottingham, UK
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33
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Biomonitoring of metals and trace elements in urine of central Ethiopian populations. Int J Hyg Environ Health 2019; 222:410-418. [PMID: 30612877 DOI: 10.1016/j.ijheh.2018.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/18/2018] [Accepted: 12/20/2018] [Indexed: 11/20/2022]
Abstract
Biomonitoring of chemical concentrations in humans is important for detecting, monitoring, and addressing a wide range of health threats. However, it is virtually absent across many African nations, including Ethiopia. This study aims to determine urinary concentrations for metals and trace elements in populations living in the central Ethiopian Rift Valley. The region is unindustralized, rural, and characterized by unique geologic rifting and volcanic activities that have produced vast pyroclastic materials, forming its aquifer and fertile agricultural soils. Millions of people in the region rely on wells for drinking water and are engaged in cereal-based subsistence agriculture. We enrolled a total of 386 residents aged 10-50 years old (201 females and 185 males). The levels of 23 elements except F─ were quantified in water and urine samples by ICP-MS. Mean concentrations of B, F─, Ca, and Mg were measured in mg/L levels, while concentrations of Mo, Zn, Sr, Rb, and Li ranged between 100 and 700 μg/L. Mean concentrations between 5 and 15 μg/L were found for Ni, Cu, and Mn, while Ag, Be, Cd, Co, Pb, Sb, Th, TI, and U were all below 5 μg/L. Arsenic and Al had mean concentrations between 30 and 50 μg/L. Mean urinary concentrations of Ca, Cu, Mg, Pb, Sr, and Zn were significantly higher in males than females, whereas Co and Mn were higher in females. Finally, younger individuals (10-30 years) had significantly higher mean concentrations of B, Cd, Co, Mg, Mo, and Pb than those between 31 and 50 years, whereas only Ca was higher in the older age group. The concentration ranges of B, Mo, Mn, TI, Li, Zn, and in particular F─ (0.44-44.6 mg/L) and As (2.2-164 μg/L) in urine were higher than the reference ranges reported in healthy unexposed North American and European populations, while those for the remaining 16 elements were comparable to published reference ranges from such settings. The established concentration ranges are important to monitor future changes in exposure, and risk factors for disease, that might stem from the economic growth and industrialization that is currently underway in the region.
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Nigra AE, Howard BV, Umans JG, Best L, Francesconi KA, Goessler W, Devereux R, Navas-Acien A. Urinary tungsten and incident cardiovascular disease in the Strong Heart Study: An interaction with urinary molybdenum. ENVIRONMENTAL RESEARCH 2018; 166:444-451. [PMID: 29940477 PMCID: PMC6347476 DOI: 10.1016/j.envres.2018.06.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 05/22/2018] [Accepted: 06/09/2018] [Indexed: 05/25/2023]
Abstract
BACKGROUND Tungsten (W) interferes with molybdenum (Mo) binding sites and has been associated with prevalent cardiovascular disease (CVD). We evaluated if (1) W exposure is prospectively associated with incident CVD and (2) the association between urinary W levels and incident CVD is modified by urinary Mo levels. METHODS We estimated multi-adjusted hazard ratios (HRs) for incident CVD outcomes by increasing W levels for 2726 American Indian participants in the Strong Heart Study with urinary metal levels measured at baseline (1989-1991) and CVD events ascertained through 2008. RESULTS Increasing levels of baseline urinary W were not associated with incident CVD. Fully-adjusted HRs (95% CIs) of incident CVD comparing a change in the IQR of W levels for those in the lowest and highest tertile of urinary Mo were 1.05 (0.90, 1.22) and 0.80 (0.70, 0.92), respectively (p-interaction = 0.02); for CVD mortality, the corresponding HRs were 1.05 (0.82, 1.33) and 0.73 (0.58, 0.93), respectively (p-interaction = 0.03). CONCLUSIONS The association between W and CVD incidence and mortality was positive although non-significant at lower urinary Mo levels and significant and inverse at higher urinary Mo levels. Although prior cross-sectional epidemiologic studies in the general US population found positive associations between urinary tungsten and prevalent cardiovascular disease, our prospective analysis in the Strong Heart Study indicates this association may be modified by molybdenum exposure.
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Affiliation(s)
- Anne E Nigra
- Columbia University Mailman School of Public Health, Department of Environmental Health Sciences, New York, NY, USA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
| | - Barbara V Howard
- MedStar Health Research Institute, Washington, DC, USA; Georgetown/Howard Universities Center for Clinical and Translational Sciences, USA
| | - Jason G Umans
- MedStar Health Research Institute, Washington, DC, USA; Georgetown/Howard Universities Center for Clinical and Translational Sciences, USA
| | - Lyle Best
- Epidemiology Department, Missouri Breaks Industries Research Inc., Timber Lake, SD, USA
| | | | | | | | - Ana Navas-Acien
- Columbia University Mailman School of Public Health, Department of Environmental Health Sciences, New York, NY, USA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
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35
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Eykelbosh A, Werry K, Kosatsky T. Leveraging the Canadian Health Measures Survey for environmental health research. ENVIRONMENT INTERNATIONAL 2018; 119:536-543. [PMID: 30077001 DOI: 10.1016/j.envint.2018.07.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/05/2018] [Accepted: 07/06/2018] [Indexed: 06/08/2023]
Abstract
Since 2007, the nationally representative, cross-sectional Canadian Health Measures Survey (CHMS) has collected detailed health and exposure data from more than 25,000 Canadians, including a wide range of chemical biomarkers analyzed in blood, urine, and environmental media. This article highlights the extent to which the CHMS dataset has been used in the peer-reviewed environmental health literature and opportunities for further expanding usage of the dataset. A literature search (2007-2018) was performed to identify peer-reviewed studies that have made substantive use of the CHMS dataset. Studies were analyzed according to the study type, data usage, populations studied, environmental health themes, citation/publication data, and institutional collaborations. A total of 51 environmental-health related CHMS studies were identified, including studies related to indoor and outdoor air quality, the built environment, and chemical and environmental tobacco smoke exposures. Health indicator data are being increasingly exploited, as is the ability to combine cycle datasets over time. Although these studies covered a range of environmental exposures, many CHMS variables remain underutilized. The CHMS dataset provides a valuable portrait of chemical exposures in Canadians of all ages, linked to a wide variety of health indicators. Many opportunities remain to exploit and expand both the use of the dataset and collaborations between Canadian agencies and domestic and international research institutions.
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Affiliation(s)
- Angela Eykelbosh
- Environmental Health Services, BC Centre for Disease Control, 655 West 12(th) Avenue, Vancouver, BC V5Z 4R4, Canada; National Collaborating Centre for Environmental Health, 601 West Broadway, Vancouver, BC V5Z 4C2, Canada.
| | - Kate Werry
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, 269 Laurier Avenue West, Ottawa, Ontario K1A 0K9, Canada.
| | - Tom Kosatsky
- Environmental Health Services, BC Centre for Disease Control, 655 West 12(th) Avenue, Vancouver, BC V5Z 4R4, Canada; National Collaborating Centre for Environmental Health, 601 West Broadway, Vancouver, BC V5Z 4C2, Canada.
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Barrios PL, Vázquez-Salas RA, López-Carrillo L, Menezes-Filho JA, Torres-Sánchez L. Dietary determinants of urinary molybdenum levels in Mexican women: a pilot study. SALUD PUBLICA DE MEXICO 2018; 59:548-555. [PMID: 29267652 DOI: 10.21149/8162] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 05/24/2017] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE This study determined the main dietary sources of urinary molybdenum (Mo) concentrations in a sample of 124 pregnant women in Mexico. MATERIALS AND METHODS Dietary data was collected during pregnancy, through a semi-qualitative food frequency questionnaire, with information of 84 foods. Urine Mo levels were determined by atomic absorption spectrometry, for at least two trimesters of pregnancy. The associations with Mo levels were estimated by generalized mixed effect regression models. RESULTS Between 5.8 to 12.7% of the samples were above the 95th percentile of urinary Mo distribution reported by National Health and Nutrition Examination Survey (NHANES) 2009-2010 for women (151 μg/L and 148 μg/g creatinine). After bootstrap resampling was conducted, women with high-consumption of hot peppers (β=1.34μg/g; 95% CI: 1.00-1.80; p= 0.05) had marginally higher urinary Mo concentration levels, creatinine adjusted, compared to women with low-consumption. CONCLUSION. Hot chili pepper consumption may contribute to body burden Mo levels in this population.
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Affiliation(s)
- Pamela L Barrios
- International Training and Research in Environmental and Occupational Health Program Department of Preventive Medicine, Mount Sinai School of Medicine,. New York, USA.,Department of Nutritional Sciences, Rutgers University. New Jersey, USA
| | | | | | - José A Menezes-Filho
- Laboratory of Toxicology, College of Pharmacy, Federal University of Bahia. Salvador, Bahia, Brazil
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