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Wang D, Liang Q, Tai D, Wang Y, Hao H, Liu Z, Huang L. Association of urinary arsenic with the oxidative DNA damage marker 8-hydroxy-2 deoxyguanosine: A meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166600. [PMID: 37659570 DOI: 10.1016/j.scitotenv.2023.166600] [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: 05/14/2023] [Revised: 08/24/2023] [Accepted: 08/24/2023] [Indexed: 09/04/2023]
Abstract
BACKGROUND The International Agency for Research on Cancer has classified arsenic as a class I carcinogen. Oxidative DNA damage is a typical early precursor to recognized malignancies. The most sensitive early independent marker of oxidative DNA damage is believed to be 8-hydroxy-2 deoxyguanosine (8-OHdG). To date, research on the link between urinary arsenic and 8-OHdG has not been consistent. OBJECTIVE This study was aimed at exploring the effects of urinary arsenic on 8-OHdG in human urine. METHODS A literature search until January 2023 was performed on the PubMed, Cochrane Library, Web of Science, Embase, and Scopus databases through a combination of computer and manual retrieval. Stata 12.0 was used to examine the degree of heterogeneity among included studies. The percentage change and 95 % confidence interval (95 % CI) of 8-OHdG were calculated between populations exposed to different doses. We used a random effect model because the degree of heterogeneity exceeded 50 %. Sensitivity analysis and testing for publication bias were performed. RESULTS This meta-analysis included nine studies, most of which were performed in China. After exposure to arsenic, urinary arsenic (per 10 μg/g creatinine increase) was associated with the increased 8-OHdG (% change = 41.49 %, 95 % CI: 19.73 %, 63.25 %). Subgroup analysis indicated that the percentage change in 8-OHdG in urine was more pronounced in people exposed to arsenic <50 μg/L (% change = 24.60 %, 95 % CI: 17.35 %, 37.85 %). In studies using total urinary arsenic content as an indicator, the percentage change in 8-OHdG in urine was more significant (% change = 60.38 %, 95 % CI: 15.08 %, 105.68 %). CONCLUSION The 8-OHdG levels in human urine significantly increased after exposure to environmental arsenic, thus suggesting that arsenic exposure is correlated with oxidative DNA damage.
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Affiliation(s)
- Donglei Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Qingqing Liang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Dapeng Tai
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Yali Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Hongyu Hao
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Zhengran Liu
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China.
| | - Lihua Huang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China.
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Vázquez Cervantes GI, González Esquivel DF, Ramírez Ortega D, Blanco Ayala T, Ramos Chávez LA, López-López HE, Salazar A, Flores I, Pineda B, Gómez-Manzo S, Pérez de la Cruz V. Mechanisms Associated with Cognitive and Behavioral Impairment Induced by Arsenic Exposure. Cells 2023; 12:2537. [PMID: 37947615 PMCID: PMC10649068 DOI: 10.3390/cells12212537] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023] Open
Abstract
Arsenic (As) is a metalloid naturally present in the environment, in food, water, soil, and air; however, its chronic exposure, even with low doses, represents a public health concern. For a long time, As was used as a pigment, pesticide, wood preservative, and for medical applications; its industrial use has recently decreased or has been discontinued due to its toxicity. Due to its versatile applications and distribution, there is a wide spectrum of human As exposure sources, mainly contaminated drinking water. The fact that As is present in drinking water implies chronic human exposure to this metalloid; it has become a worldwide health problem, since over 200 million people live where As levels exceed safe ranges. Many health problems have been associated with As chronic exposure including cancer, cardiovascular diseases, gastrointestinal disturbances, and brain dysfunctions. Because As can cross the blood-brain barrier (BBB), the brain represents a target organ where this metalloid can exert its long-term toxic effects. Many mechanisms of As neurotoxicity have been described: oxidative stress, inflammation, DNA damage, and mitochondrial dysfunction; all of them can converge, thus leading to impaired cellular functions, cell death, and in consequence, long-term detrimental effects. Here, we provide a current overview of As toxicity and integrated the global mechanisms involved in cognitive and behavioral impairment induced by As exposure show experimental strategies against its neurotoxicity.
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Affiliation(s)
- Gustavo Ignacio Vázquez Cervantes
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (G.I.V.C.); (D.F.G.E.); (T.B.A.); (H.E.L.-L.)
| | - Dinora Fabiola González Esquivel
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (G.I.V.C.); (D.F.G.E.); (T.B.A.); (H.E.L.-L.)
| | - Daniela Ramírez Ortega
- Neuroimmunology Department, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (D.R.O.); (A.S.); (I.F.); (B.P.)
| | - Tonali Blanco Ayala
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (G.I.V.C.); (D.F.G.E.); (T.B.A.); (H.E.L.-L.)
| | - Lucio Antonio Ramos Chávez
- Departamento de Neuromorfología Funcional, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City 14370, Mexico;
| | - Humberto Emanuel López-López
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (G.I.V.C.); (D.F.G.E.); (T.B.A.); (H.E.L.-L.)
| | - Alelí Salazar
- Neuroimmunology Department, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (D.R.O.); (A.S.); (I.F.); (B.P.)
| | - Itamar Flores
- Neuroimmunology Department, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (D.R.O.); (A.S.); (I.F.); (B.P.)
| | - Benjamín Pineda
- Neuroimmunology Department, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (D.R.O.); (A.S.); (I.F.); (B.P.)
| | - Saúl Gómez-Manzo
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, México City 04530, Mexico;
| | - Verónica Pérez de la Cruz
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico; (G.I.V.C.); (D.F.G.E.); (T.B.A.); (H.E.L.-L.)
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De Loma J, Krais AM, Lindh CH, Mamani J, Tirado N, Gardon J, Broberg K. Arsenic exposure and biomarkers for oxidative stress and telomere length in indigenous populations in Bolivia. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 231:113194. [PMID: 35051766 DOI: 10.1016/j.ecoenv.2022.113194] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Women living in the Bolivian Andes are environmentally exposed to arsenic, yet there is scarce information about arsenic-related effects in this region. Several biomarkers for telomere length and oxidative stress (mitochondrial DNA copy number, mtDNAcn; 8-Oxo-2'-deoxyguanosine, 8-oxo-dG; and 4-hydroxy nonenal mercapturic acid, 4-HNE-MA) have been previously linked to arsenic, and some of which are prospective biomarkers for cancer risk. OBJECTIVE AND HYPOTHESIS To evaluate associations between arsenic exposure and telomere length, mtDNAcn, 8-oxo-dG, and 4-HNE-MA in Bolivians. Arsenic exposure was hypothesized to be positively associated with all four toxicity biomarkers, particularly in individuals with a less efficient arsenic metabolism. METHODS The study encompassed 193 indigenous women. Arsenic exposure was assessed in urine as the sum of inorganic arsenic metabolite concentrations (U-As) measured by HPLC-HG-ICP-MS, and in whole blood as total arsenic (B-As) measured by ICP-MS. Efficiency of arsenic metabolism was evaluated by a polymorphism (rs3740393) in the main arsenic methylating gene AS3MT measured by TaqMan allelic discrimination, and by the relative fractions of urinary inorganic arsenic metabolites. Telomere length and mtDNAcn were determined in peripheral blood leukocytes by quantitative PCR, and urinary 8-oxo-dG and 4-HNE-MA by LC-MS/MS. RESULTS U-As and B-As were associated with longer telomeres and higher mtDNAcn, particularly in women with a less efficient arsenic metabolism. Urinary 8-oxo-dG and 4-HNE-MA were positively associated with U-As, but only 4-HNE-MA was associated with B-As. Arsenic metabolism efficiency did not have a clear effect on the concentrations of either of these biomarkers. CONCLUSION Bolivian women showed indications of arsenic toxicity, measured by four different biomarkers. Telomere length, mtDNAcn, and 4-HNE-MA were positively associated with both U-As and B-As. The association of arsenic exposure with telomere length and mtDNAcn was only present in Bolivian women with a less efficient metabolism. These findings call for additional efforts to evaluate and reduce arsenic exposure in Bolivia.
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Affiliation(s)
- Jessica De Loma
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Annette M Krais
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Christian H Lindh
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Josue Mamani
- Genetics Institute, Universidad Mayor de San Andrés, La Paz, Bolivia
| | - Noemi Tirado
- Genetics Institute, Universidad Mayor de San Andrés, La Paz, Bolivia
| | - Jacques Gardon
- Hydrosciences Montpellier, Université de Montpellier, Institut de Recherche pour le Développement, Centre National de la Recherche Scientifique, Montpellier, France
| | - Karin Broberg
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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Dessie BK, Mehari B, Tefera M, Osman M, Tsegaye Y, Gari SR, Desta AF, Melaku S, Alamirew T, Goodson ML, Walsh CL, Zeleke G, Mihret A. Urinary 8-OHdG level is not affected by geography and trace elements in nail of residents of Addis Ababa: It is shaped by interactions between different social factors. Toxicol Rep 2022; 9:1777-1787. [DOI: 10.1016/j.toxrep.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/30/2022] [Accepted: 09/09/2022] [Indexed: 11/17/2022] Open
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Vega-Millán CB, Dévora-Figueroa AG, Burgess JL, Beamer PI, Furlong M, Lantz RC, Meza-Figueroa D, O Rourke MK, García-Rico L, Meza-Escalante ER, Balderas-Cortés JJ, Meza-Montenegro MM. Inflammation biomarkers associated with arsenic exposure by drinking water and respiratory outcomes in indigenous children from three Yaqui villages in southern Sonora, México. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:34355-34366. [PMID: 33650048 PMCID: PMC7919633 DOI: 10.1007/s11356-021-13070-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 02/16/2021] [Indexed: 06/12/2023]
Abstract
Environmental arsenic exposure in adults and children has been associated with a reduction in the expression of club cell secretory protein (CC16) and an increase in the expression of matrix metalloproteinase-9 (MMP-9), both biomarkers of lung inflammation and negative respiratory outcomes. The objectives of this study were to determine if the levels of serum CC16 and MMP-9 and subsequent respiratory infections in children are associated with the ingestion of arsenic by drinking water. This cross-sectional study included 216 children from three Yaqui villages, Potam, Vicam, and Cocorit, with levels of arsenic in their ground water of 70.01 ± 21.85, 23.3 ± 9.99, and 11.8 ± 4.42 μg/L respectively. Total arsenic in water and urine samples was determined by inductively coupled plasma/optical emission spectrometry. Serum was analyzed for CC16 and MMP-9 using ELISA. The children had an average urinary arsenic of 79.39 μg/L and 46.8 % had levels above of the national concern value of 50 μg/L. Increased arsenic concentrations in drinking water and average daily arsenic intake by water were associated with decreased serum CC16 levels (β = - 0.12, 95% CI - 0.20, - 0.04 and β = - 0.10, 95% CI - 0.18, - 0.03), and increased serum MMP-9 levels (β = 0.35, 95% CI 0.22, 0.48 and β = 0.29, 95% CI 0.18, 0.40) at significant levels (P < 0.05). However, no association was found between levels of these serum biomarkers and urinary arsenic concentrations. In these children, reduced serum CC16 levels were significantly associated with increased risk of respiratory infections (OR = 0.34, 95% CI 0.13, 0.90). In conclusion, altered levels of serum CC16 and MMP-9 in the children may be due to the toxic effects of arsenic exposure through drinking water.
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Affiliation(s)
- Christian B Vega-Millán
- Programa de Doctorado en Ciencias Especialidad en Biotecnología, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd. Obregón, Sonora, México
| | - Ana G Dévora-Figueroa
- Programa de Doctorado en Ciencias Especialidad en Biotecnología, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd. Obregón, Sonora, México
| | - Jefferey L Burgess
- Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA
| | - Paloma I Beamer
- Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA
| | - Melissa Furlong
- Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA
| | - R Clark Lantz
- Department of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ, USA
| | - Diana Meza-Figueroa
- Departamento de Geología, División de Ciencias Exactas y Naturales, Universidad de Sonora, Rosales y Encinas, 83000, Hermosillo, Sonora, México
| | - Mary Kay O Rourke
- Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA
| | - Leticia García-Rico
- Centro de Investigación en Alimentación y Desarrollo, A.C., Carretera Gustavo Astiazarán 46, 83304, Hermosillo, Sonora, México
| | - Edna R Meza-Escalante
- Departamento de Recursos Naturales, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd. Obregón, Sonora, México
| | - José J Balderas-Cortés
- Departamento de Recursos Naturales, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd. Obregón, Sonora, México
| | - Maria M Meza-Montenegro
- Departamento de Recursos Naturales, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd. Obregón, Sonora, México.
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Osuna-Martínez CC, Armienta MA, Bergés-Tiznado ME, Páez-Osuna F. Arsenic in waters, soils, sediments, and biota from Mexico: An environmental review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 752:142062. [PMID: 33207489 DOI: 10.1016/j.scitotenv.2020.142062] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 06/11/2023]
Abstract
We reviewed over 226 studies dealing with arsenic (As) in water bodies (124 sites or regions; 5,834 samples), soils (44; 2,700), sediments (56; 765), rocks (6; 85), mine waste (25; 582), continental plants (17 (77 species); 571), continental animals (10 (32 species); 3,525) and aquatic organisms (27 (100 species) 2,417) in Mexico. In general, higher As concentrations were associated with specific regions in the states of Hidalgo (21 sites), San Luis Potosi (SLP) (19), Baja California Sur (15), Zacatecas (5), and Morelos (4). High As levels have been detected in drinking water in certain locations of Coahuila (up to 435 μg L-1) and Sonora (up to 1004 μg L-1); in continental surficial water in Puebla (up to 780 μg L-1) and Matehuala, SLP (up to 8684 μg L-1); in groundwater in SLP (up to 16,000 μg L-1) and Morelia, Michoacán (up to 1506,000 μg L-1); in soils in Matehuala, SLP (up to 27,945 μg g-1) and the Xichú mining area, Guanajuato (up to 62,302 μg g-1); and in sediments in Zimapán, Hidalgo (up to 11,810 μg g-1) and Matehuala, SLP (up to 28,600 μg g-1). In contaminated arid and semi-arid areas, the plants P. laevigata and A. farnesiana exhibit the highest As levels. These findings emphasize the human and environmental risks associated with the presence of As in such regions. A synthesis of the available techniques for the removal of As in water and the remediation technologies for As contaminated soils and sediments is given. The As occurrence, origin (geogenic, thermal, mining and anthropogenic) and evolution in specific regions is summarized. Also, the mobilization and mechanisms to explain the As variability in continental environments are concisely given. For future research, a stratified regional sampling is proposed which prioritizes critical sites for waters, soils and sediments, and biota, considering the subpopulation of foods from agriculture, livestock, and seafood. It is concluded that more detailed and comprehensive studies concerning pollution levels, as well as As trends, transfer, speciation, and toxic effects are still required.
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Affiliation(s)
- C Cristina Osuna-Martínez
- Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen s/n Col. Centro, Mazatlán 82000, Sinaloa, Mexico
| | - María Aurora Armienta
- Universidad Nacional Autónoma de México, Instituto de Geofísica, Ciudad Universitaria, Delegación Coyoacán, 04360 México, D.F., Mexico; Member of El Colegio de Sinaloa, Antonio Rosales 435 Poniente, Culiacán, Sinaloa, Mexico
| | | | - Federico Páez-Osuna
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, P.O. Box 811, Mazatlán 82000, Sinaloa, Mexico; Member of El Colegio de Sinaloa, Antonio Rosales 435 Poniente, Culiacán, Sinaloa, Mexico.
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Urinary 8-OHdG as a Biomarker for Oxidative Stress: A Systematic Literature Review and Meta-Analysis. Int J Mol Sci 2020; 21:ijms21113743. [PMID: 32466448 PMCID: PMC7313038 DOI: 10.3390/ijms21113743] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/12/2022] Open
Abstract
Oxidative stress reflects a disturbance in the balance between the production and accumulation of reactive oxygen species (ROS). ROS are scavenged by the antioxidant system, but when in excess concentration, they can oxidize proteins, lipids, and DNA. DNA damage is usually repaired, and the oxidized products are excreted in urine. 8-hydroxy-2-deoxyguanosine is considered a biomarker for oxidative damage of DNA. It is needed to define background ranges for 8-OHdG, to use it as a measure of oxidative stress overproduction. We established a standardized protocol for a systematic review and meta-analysis to assess background ranges for urinary 8-OHdG concentrations in healthy populations. We computed geometric mean (GM) and geometric standard deviations (GSD) as the basis for the meta-analysis. We retrieved an initial 1246 articles, included 84 articles, and identified 128 study subgroups. We stratified the subgroups by body mass index, gender, and smoking status reported. The pooled GM value for urinary 8-OHdG concentrations in healthy adults with a mean body mass index (BMI) ≤ 25 measured using chemical methods was 3.9 ng/mg creatinine (interquartile range (IQR): 3 to 5.5 ng/mg creatinine). A significant positive association was observed between smoking and urinary 8-OHdG concentrations when measured by chemical analysis. No gender effect was observed.
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Ma L, Liang B, Yang Y, Chen L, Liu Q, Zhang A. hOGG1 promoter methylation, hOGG1 genetic variants and their interactions for risk of coal-borne arsenicosis: A case-control study. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 75:103330. [PMID: 32004920 DOI: 10.1016/j.etap.2020.103330] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 01/17/2020] [Accepted: 01/20/2020] [Indexed: 06/10/2023]
Abstract
To identify the effect of hOGG1 methylation, Ser326Cys polymorphism and their interactions on the risk of coal-borne arsenicosis, 113 coal-borne arsenicosis subjects and 55 reference subjects were recruited. Urinary arsenic contents were analyzed with ICP-MS. hOGG1 methylation and Ser326Cys polymorphism was measured by mehtylation-specific PCR and restriction fragment length polymorphism PCR in PBLCs, respectively. The results showed that the prevalence of methylated hOGG1 and variation genotype (326 Ser/Cys & 326 Cys/Cys) were increased with raised levels of urinary arsenic in arsenicosis subjects. Increased prevalence of methylated hOGG1 and variation genotype were associated with raised risk of arsenicosis. Moreover, the results revealed that variant genotype might increase the susceptibility to hOGG1 methylation. The interactions of methylated hOGG1 and variation genotype were also found to contribute to increased risk of arsenicosis. Taken together, hOGG1 hypermethylation, hOGG1 variants and their interactions might be potential biomarkers for evaluating risk of coal-borne arsenicosis.
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Affiliation(s)
- Lu Ma
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang 550025, Guizhou, PR China.
| | - Bing Liang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang 550025, Guizhou, PR China.
| | - Yuan Yang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang 550025, Guizhou, PR China.
| | - Liyuan Chen
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang 550025, Guizhou, PR China.
| | - Qizhan Liu
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, PR China.
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang 550025, Guizhou, PR China.
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García-Rico L, Meza-Figueroa D, Jay Gandolfi A, Del Rivero CI, Martínez-Cinco MA, Meza-Montenegro MM. Health Risk Assessment and Urinary Excretion of Children Exposed to Arsenic through Drinking Water and Soils in Sonora, Mexico. Biol Trace Elem Res 2019; 187:9-21. [PMID: 29721859 DOI: 10.1007/s12011-018-1347-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 04/11/2018] [Indexed: 11/27/2022]
Abstract
Environmental arsenic exposure is associated with increased risk of non-cancerous chronic diseases and a variety of cancers in humans. The aims of this study were to carry out for the first time a health risk assessment for two common arsenic exposure routes (drinking water and soil ingestion) in children living in the most important agricultural areas in the Yaqui and Mayo valleys in Sonora, Mexico. Drinking water sampling was conducted in the wells of 57 towns. A cross-sectional study was done in 306 children from 13 villages in the valleys. First morning void urine samples were analyzed for inorganic arsenic (InAs) and monomethyl and dimethyl arsenic (MMA and DMA) by HPLC/ICP-MS. The results showed a wide range of arsenic levels in drinking water between 2.7 and 98.7 μg As/L. Arsenic levels in agricultural and backyard soils were in the range of < 10-27 mg As/kg. The hazard index (HI) = ∑hazard quotient (HQ) for drinking water, agricultural soil, and backyard soil showed values > 1 in 100% of the study towns, and the carcinogenic risk (CR) was greater than 1E-04 in 85%. The average of arsenic excreted in urine was 31.7 μg As/L, and DMA had the highest proportion in urine, with averages of 77.8%, followed by InAs and MMA with 11.4 and 10.9%, respectively, percentages similar to those reported in the literature. Additionally, positive correlations between urinary arsenic levels and HI values were found (r = 0.59, P = 0.000). These results indicated that this population is at high risk of developing chronic diseases including cancer.
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Affiliation(s)
- Leticia García-Rico
- Centro de Investigación en Alimentación y Desarrollo, A.C., km 0.6 carretera a la Victoria, Hermosillo, Sonora, Mexico
- Programa de Doctorado en Ciencias Especialidad en Biotecnología, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd., Obregón, Sonora, Mexico
| | - Diana Meza-Figueroa
- Departamento de Geología, División de Ciencias Exactas y Naturales, Universidad de Sonora, Rosales y Encinas, 83000, Hermosillo, Sonora, Mexico
| | - A Jay Gandolfi
- Department of Pharmacology and Toxicology, University of Arizona, 1723 E. Mabel Street, Tucson, AZ, 85724, USA
| | - Carlos Ibañez Del Rivero
- Programa de Maestría, Departamento de Geología, División de Ciencias Exactas y Naturales, Universidad de Sonora, Rosales y Encinas, 83000, Hermosillo, Sonora, Mexico
| | - Marco A Martínez-Cinco
- División de Estudios de Posgrado, Facultad de Ingeniería Química, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), Gral. Francisco J. Múgica SN, Felicitas del Río, 58040, Morelia, Michoacán, Mexico
| | - Maria M Meza-Montenegro
- Departamento de Recursos Naturales, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, 85000, Cd. Obregón, Sonora, Mexico.
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Dashner-Titus EJ, Hoover J, Li L, Lee JH, Du R, Liu KJ, Traber MG, Ho E, Lewis J, Hudson LG. Metal exposure and oxidative stress markers in pregnant Navajo Birth Cohort Study participants. Free Radic Biol Med 2018; 124:484-492. [PMID: 29723666 PMCID: PMC6381929 DOI: 10.1016/j.freeradbiomed.2018.04.579] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 04/26/2018] [Accepted: 04/27/2018] [Indexed: 12/22/2022]
Abstract
Contamination of soil and water by waste from abandoned uranium mines has led to chronic exposures to metal mixtures in Native American communities. Our previous work demonstrated that community exposures to mine waste increase the likelihood of developing cardiovascular disease, as well as the likelihood of developing multiple chronic diseases including diabetes, hypertension and kidney disease. Exposure to various environmental metals is associated with elevated oxidative stress, which is considered a contributor to these and other chronic disease states. The purpose of the current research was to assess potential associations between exposure to uranium and arsenic and evidence for increased oxidative stress as measured by urinary F2 -isoprostanes in pregnant women enrolled in the Navajo Birth Cohort Study. The current study also included an analysis of zinc as a potential mediator of oxidative stress in the study population. Urinary arsenic and uranium, serum zinc and urinary F2 -isoprostanes were measured for each study participant at enrollment. Study participants were pregnant women with median age of 26.8; 18.9% were enrolled in the 1st trimester, 44.7% were enrolled in the 2nd trimester, and 36.4% were enrolled in the 3rd trimester. Median urinary metal levels were 5.5 and 0.016 µg/g creatinine for arsenic and uranium, respectively. Multivariable regression analysis indicated a significant association between arsenic exposure and the lipid peroxidation product 8-iso-prostaglandin F2α, controlling for zinc and trimester. No associations were detected with uranium despite evidence that levels were in the Navajo Birth Cohort samples were 2.3 times the median reported for women in the National Health and Nutrition Examination Survey (2011-12). Zinc was not found to have any causal mediation of the effects of the other metals on oxidative stress. The current work is consistent with other studies that have detected an association between arsenic and elevated oxidative stress. In contrast to arsenic, uranium did not appear to increase oxidative stress response in this study population. These findings are relevant to assessing the potential human impact of chronic exposure to mixed metal waste from abandoned uranium mines.
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Affiliation(s)
- Erica J Dashner-Titus
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, 1 University of New Mexico, Albuquerque, NM, USA.
| | - Joseph Hoover
- Community Environmental Health Program, College Of Pharmacy, University of New Mexico, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Luo Li
- Biostatistics Shared Resource, The UNM Comprehensive Cancer Center, Albuquerque, NM, 87131, USA; UNM METALS Biostatistics and Data Management (BDM) Core (Luo, Senior author for BDM team).
| | - Ji-Hyun Lee
- Division of Quantitative Sciences and Biostatistics Shared Resource, University of Florida Health Cancer Center Gainsville , FL 32601, USA.
| | - Ruofei Du
- Biostatistics Shared Resource, The UNM Comprehensive Cancer Center, Albuquerque, NM, 87131, USA; UNM METALS Biostatistics and Data Management (BDM) Core (Luo, Senior author for BDM team).
| | - Ke Jian Liu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, 1 University of New Mexico, Albuquerque, NM, USA.
| | - Maret G Traber
- Linus Pauling Institute, Oregon State University, 307 Linus Pauling Science Center, Corvallis, OR 97331, USA.
| | - Emily Ho
- Linus Pauling Institute, Oregon State University, 307 Linus Pauling Science Center, Corvallis, OR 97331, USA; Moore Family Center for Whole Grain Foods, Nutrition & Preventive Health, School of Biological & Population Health Sciences, College of Public Health & Human Sciences, 211 Milam Hall, Oregon State University, Corvallis, OR 97331, USA.
| | - Johnnye Lewis
- Community Environmental Health Program, College Of Pharmacy, University of New Mexico, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Laurie G Hudson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, 1 University of New Mexico, Albuquerque, NM, USA.
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11
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Yager JW, Erdei E, Myers O, Siegel M, Berwick M. Arsenic and ultraviolet radiation exposure: melanoma in a New Mexico non-Hispanic white population. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2016; 38:897-910. [PMID: 26445994 PMCID: PMC8164524 DOI: 10.1007/s10653-015-9770-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 09/23/2015] [Indexed: 05/21/2023]
Abstract
Cases of cutaneous melanoma and controls were enrolled in a New Mexico population-based study; subjects were administered questionnaires concerning ultraviolet (UV) and inorganic arsenic (iAs) exposure. Historical iAs exposure was estimated. UV exposure estimates were also derived using geospatial methods. Drinking water samples were collected for iAs analysis. Blood samples were collected for DNA repair (Comet) and DNA repair gene polymorphism assays. Arsenic concentrations were determined in urine and toenail samples. UV exposures during the previous 90 days did not vary significantly between cases and controls. Mean (±SD) current home iAs drinking water was not significantly different for cases and controls [3.98 μg/L (±3.67) vs. 3.47 μg/L (±2.40)]. iAs exposure showed no effect on DNA repair or association with melanoma. Results did not corroborate a previously reported association between toenail As and melanoma risk. Arsenic biomarkers in urine and toenail were highly significantly correlated with iAs in drinking water. A UV-DNA repair interaction for UV exposure over the previous 7-90 days was shown; cases had higher DNA damage than controls at low UV values. This novel finding suggests that melanoma cases may be more sensitive to low-level UV exposure than are controls. A UV-APEX1 interaction was shown. Subjects with the homozygous rare APEX1 DNA repair gene allele had a higher risk of early melanoma diagnosis at low UV exposure compared with those with the homozygous wild type or the heterozygote. Notably, a UV-arsenic interaction on inhibition of DNA repair was not observed at iAs drinking water concentrations below 10 ppb (μg/L).
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Affiliation(s)
- Janice W Yager
- Division of Epidemiology, Biostatistics and Preventive Medicine, Health Sciences Center, Department of Internal Medicine, University of New Mexico, Albuquerque, NM, USA.
- ENVIRON International Corporation, 2200 Powell Street, Suite 700, Emeryville, CA, 94608, USA.
| | - Esther Erdei
- Division of Epidemiology, Biostatistics and Preventive Medicine, Health Sciences Center, Department of Internal Medicine, University of New Mexico, Albuquerque, NM, USA
- Department of Family and Community Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Orrin Myers
- Division of Epidemiology, Biostatistics and Preventive Medicine, Health Sciences Center, Department of Internal Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Malcolm Siegel
- Division of Epidemiology, Biostatistics and Preventive Medicine, Health Sciences Center, Department of Internal Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Marianne Berwick
- Division of Epidemiology, Biostatistics and Preventive Medicine, Health Sciences Center, Department of Internal Medicine, University of New Mexico, Albuquerque, NM, USA
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12
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Gentry PR, Yager JW, Clewell RA, Clewell HJ. Use of mode of action data to inform a dose-response assessment for bladder cancer following exposure to inorganic arsenic. Toxicol In Vitro 2014; 28:1196-205. [PMID: 24937311 DOI: 10.1016/j.tiv.2014.05.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 05/19/2014] [Accepted: 05/21/2014] [Indexed: 01/15/2023]
Abstract
In the recent National Research Council report on conducting a dose-response assessment for inorganic arsenic, the committee remarked that mode of action data should be used, to the extent possible, to extrapolate below the observed range for epidemiological studies to inform the shape of the dose-response curve. Recent in vitro mode of action studies focused on understanding the development of bladder cancer following exposure to inorganic arsenic provide data to inform the dose-response curve. These in vitro data, combined with results of bladder cancer epidemiology studies, inform the dose-response curve in the low-dose region, and include values for both pharmacokinetic and pharmacodynamic variability. Integration of these data provides evidence of a range of concentrations of arsenic for which no effect on the bladder would be expected. Specifically, integration of these results suggest that arsenic exposures in the range of 7-43 ppb in drinking water are exceedingly unlikely to elicit changes leading to key events in the development of cancer or noncancer effects in bladder tissue. These findings are consistent with the lack of evidence for bladder cancer following chronic ingestion of arsenic water concentrations <100 ppb in epidemiological studies.
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Affiliation(s)
- P R Gentry
- ENVIRON International Corporation, 1900 N. 18th Street, Suite 804, Monroe, LA 71201, United States.
| | - J W Yager
- ENVIRON International Corporation, 2200 Powell Street, Suite 700, Emeryville, CA 94608, United States; University of New Mexico, MSC 10 5550, 1 University of New Mexico, Albuquerque, NM 87131-0001, United States
| | - R A Clewell
- The Hamner Institutes for Health Sciences, 6 Davis Drive, Research Triangle Park, NC 27709-2137, United States
| | - H J Clewell
- The Hamner Institutes for Health Sciences, 6 Davis Drive, Research Triangle Park, NC 27709-2137, United States
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Harper KN, Liu X, Hall MN, Ilievski V, Oka J, Calancie L, Slavkovich V, Levy D, Siddique A, Alam S, Mey JL, van Geen A, Graziano JH, Gamble MV. A dose-response study of arsenic exposure and markers of oxidative damage in Bangladesh. J Occup Environ Med 2014; 56:652-8. [PMID: 24854259 PMCID: PMC4050339 DOI: 10.1097/jom.0000000000000166] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To evaluate the dose-response relationship between arsenic (As) exposure and markers of oxidative damage in Bangladeshi adults. METHODS We recruited 378 participants drinking water from wells assigned to five water As exposure categories; the distribution of subjects was as follows: (1) less than 10 μg/L (n=76); (2) 10 to 100 μg/L (n=104); (3) 101 to 200 μg/L (n=86); (4) 201 to 300 μg/L (n=67); and (5) more than 300 μg/L (n=45). Arsenic concentrations were measured in well water, as well as in urine and blood. Urinary 8-oxo-2'-deoxyguanosine and plasma protein carbonyls were measured to assess oxidative damage. RESULTS None of our measures of As exposure were significantly associated with protein carbonyl or 8-oxo-2'-deoxyguanosine levels. CONCLUSIONS We found no evidence to support a significant relationship between long-term exposure to As-contaminated drinking water and biomarkers of oxidative damage among Bangladeshi adults.
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Affiliation(s)
- Kristin N. Harper
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Xinhua Liu
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Megan N. Hall
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Vesna Ilievski
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Julie Oka
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Larissa Calancie
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Vesna Slavkovich
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Diane Levy
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Abu Siddique
- Columbia University Arsenic Project in Bangladesh, Dhaka, Bangladesh
| | - Shafiul Alam
- Columbia University Arsenic Project in Bangladesh, Dhaka, Bangladesh
| | - Jacob L. Mey
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964
- Kingsbridge Community College, New York, NY 11235
| | - Alexander van Geen
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964
| | - Joseph H. Graziano
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
| | - Mary V. Gamble
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032
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Normandin L, Ayotte P, Levallois P, Ibanez Y, Courteau M, Kennedy G, Chen L, Le XC, Bouchard M. Biomarkers of arsenic exposure and effects in a Canadian rural population exposed through groundwater consumption. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2014; 24:127-34. [PMID: 24192660 DOI: 10.1038/jes.2013.80] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Accepted: 10/04/2013] [Indexed: 05/21/2023]
Abstract
Drinking water intake of arsenic (As) from private wells may represent a significant exposure pathway and induce oxidative DNA damage. We measured total As concentrations in hair and nails, and concentrations of the different species of As and its metabolites as well as 8-OHdG in urine of 110 non-smoking adults living in a rural region of the Province of Quebec, Canada. Significant differences in exposure biomarker levels were observed between individuals consuming drinking water with As levels of≤1.0,>1.0 -≤10 and>10 μg/l. Multivariate linear regression analysis also showed a significant relationship between estimated daily drinking water intakes of As and biomarker levels. Conversely, 8-OHdG levels were not significantly related to daily drinking water intakes of As or to hair, nail or urinary exposure biomarker levels, according to multivariate linear regression analysis. Even at the relatively low levels of As found in well water of our participants, water consumption significantly increases their body load of As, as confirmed by multiple matrix measurements, which reflected exposure over different time frames. However, this increased internal As dose was not associated with higher oxidative damage to DNA as reflected by urinary 8-OHdG levels.
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Affiliation(s)
- Louise Normandin
- 1] Institut national de santé publique du Québec (INSPQ), Montreal, Quebec, Canada [2] Department of Environmental and Occupational Health, Chair of Toxicological Risk Assessment and Management and Institut de recherche en santé publique, University of Montreal, Main Station, Montreal, Quebec, Canada
| | - Pierre Ayotte
- Axe Santé publique et pratiques optimales en santé, Centre de recherche du CHU Québec/INSPQ, Wolfe, Quebec, Canada
| | - Patrick Levallois
- Axe Santé publique et pratiques optimales en santé, Centre de recherche du CHU Québec/INSPQ, Wolfe, Quebec, Canada
| | - Yves Ibanez
- Department of Environmental and Occupational Health, Chair of Toxicological Risk Assessment and Management and Institut de recherche en santé publique, University of Montreal, Main Station, Montreal, Quebec, Canada
| | - Marilène Courteau
- Axe Santé publique et pratiques optimales en santé, Centre de recherche du CHU Québec/INSPQ, Wolfe, Quebec, Canada
| | - Greg Kennedy
- Department of Engineering Physics, École Polytechnique de Montréal, Montréal, Québec, Canada
| | - Lydia Chen
- Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - X Chris Le
- Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta, Canada
| | - Michèle Bouchard
- Department of Environmental and Occupational Health, Chair of Toxicological Risk Assessment and Management and Institut de recherche en santé publique, University of Montreal, Main Station, Montreal, Quebec, Canada
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15
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Hall MN, Niedzwiecki M, Liu X, Harper KN, Alam S, Slavkovich V, Ilievski V, Levy D, Siddique AB, Parvez F, Mey JL, van Geen A, Graziano J, Gamble MV. Chronic arsenic exposure and blood glutathione and glutathione disulfide concentrations in Bangladeshi adults. ENVIRONMENTAL HEALTH PERSPECTIVES 2013; 121:1068-74. [PMID: 23792557 PMCID: PMC3764071 DOI: 10.1289/ehp.1205727] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2012] [Accepted: 06/19/2013] [Indexed: 05/20/2023]
Abstract
BACKGROUND In vitro and rodent studies have shown that arsenic (As) exposure can deplete glutathione (GSH) and induce oxidative stress. GSH is the primary intracellular antioxidant; it donates an electron to reactive oxygen species, thus producing glutathione disulfide (GSSG). Cysteine (Cys) and cystine (CySS) are the predominant thiol/disulfide redox couple found in human plasma. Arsenic, GSH, and Cys are linked in several ways: a) GSH is synthesized via the transsulfuration pathway, and Cys is the rate-limiting substrate; b) intermediates of the methionine cycle regulate both the transsulfuration pathway and As methylation; c) GSH serves as the electron donor for reduction of arsenate to arsenite; and d) As has a high affinity for sulfhydryl groups and therefore binds to GSH and Cys. OBJECTIVES We tested the hypothesis that As exposure is associated with decreases in GSH and Cys and increases in GSSG and CySS (i.e., a more oxidized environment). METHODS For this cross-sectional study, the Folate and Oxidative Stress Study, we recruited a total of 378 participants from each of five water As concentration categories: < 10 (n = 76), 10-100 (n = 104), 101-200 (n = 86), 201-300 (n = 67), and > 300 µg/L (n = 45). Concentrations of GSH, GSSG, Cys, and CySS were measured using HPLC. RESULTS An interquartile range (IQR) increase in water As was negatively associated with blood GSH (mean change, -25.4 µmol/L; 95% CI: -45.3, -5.31) and plasma CySS (mean change, -3.00 µmol/L; 95% CI: -4.61, -1.40). We observed similar associations with urine and blood As. There were no significant associations between As exposure and blood GSSG or plasma Cys. CONCLUSIONS The observed associations are consistent with the hypothesis that As may influence concentrations of GSH and other nonprotein sulfhydryls through binding and irreversible loss in bile and/or possibly in urine.
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Affiliation(s)
- Megan N Hall
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
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Naujokas MF, Anderson B, Ahsan H, Aposhian HV, Graziano JH, Thompson C, Suk WA. The broad scope of health effects from chronic arsenic exposure: update on a worldwide public health problem. ENVIRONMENTAL HEALTH PERSPECTIVES 2013; 121:295-302. [PMID: 23458756 PMCID: PMC3621177 DOI: 10.1289/ehp.1205875] [Citation(s) in RCA: 811] [Impact Index Per Article: 73.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 12/21/2012] [Indexed: 05/17/2023]
Abstract
BACKGROUND Concerns for arsenic exposure are not limited to toxic waste sites and massive poisoning events. Chronic exposure continues to be a major public health problem worldwide, affecting hundreds of millions of persons. OBJECTIVES We reviewed recent information on worldwide concerns for arsenic exposures and public health to heighten awareness of the current scope of arsenic exposure and health outcomes and the importance of reducing exposure, particularly during pregnancy and early life. METHODS We synthesized the large body of current research pertaining to arsenic exposure and health outcomes with an emphasis on recent publications. DISCUSSION Locations of high arsenic exposure via drinking water span from Bangladesh, Chile, and Taiwan to the United States. The U.S. Environmental Protection Agency maximum contaminant level (MCL) in drinking water is 10 µg/L; however, concentrations of > 3,000 µg/L have been found in wells in the United States. In addition, exposure through diet is of growing concern. Knowledge of the scope of arsenic-associated health effects has broadened; arsenic leaves essentially no bodily system untouched. Arsenic is a known carcinogen associated with skin, lung, bladder, kidney, and liver cancer. Dermatological, developmental, neurological, respiratory, cardiovascular, immunological, and endocrine effects are also evident. Most remarkably, early-life exposure may be related to increased risks for several types of cancer and other diseases during adulthood. CONCLUSIONS These data call for heightened awareness of arsenic-related pathologies in broader contexts than previously perceived. Testing foods and drinking water for arsenic, including individual private wells, should be a top priority to reduce exposure, particularly for pregnant women and children, given the potential for life-long effects of developmental exposure.
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Pei Q, Ma N, Zhang J, Xu W, Li Y, Ma Z, Li Y, Tian F, Zhang W, Mu J, Li Y, Wang D, Liu H, Yang M, Ma C, Yun F. Oxidative DNA damage of peripheral blood polymorphonuclear leukocytes, selectively induced by chronic arsenic exposure, is associated with extent of arsenic-related skin lesions. Toxicol Appl Pharmacol 2013; 266:143-9. [DOI: 10.1016/j.taap.2012.10.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2012] [Revised: 10/27/2012] [Accepted: 10/30/2012] [Indexed: 10/27/2022]
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Delineating the degree of association between biomarkers of arsenic exposure and type-2 diabetes mellitus. Int J Hyg Environ Health 2012; 216:35-49. [PMID: 22920650 DOI: 10.1016/j.ijheh.2012.07.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2011] [Revised: 07/01/2012] [Accepted: 07/04/2012] [Indexed: 01/18/2023]
Abstract
Non-carcinogenic effects in low-level (< 100 μgL(-1)) arsenic (As)-impacted populations, such as the development and progression of type-2 diabetes mellitus (T2DM), are often neglected given the primary emphasis of public health authorities on As carcinogenicity. We gathered studies reporting urinary biomarkers of As exposure (U-As) and biomarkers associated with T2DM and its complications (U-T2DM), such as renal damage, oxidation stress, low-grade inflammation, and endothelial damage. Studied U-T2DM biomarkers were: 8-hydroxy-2'deoxyguanosine, N-acetyl-β-d-glucosaminidase, β2-microglobulin, and albumin. Data was expressed as: either arithmetic means and standard deviations, or geometric means and geometric standard deviations, or correlation coefficients of U-As and U-T2DM. Urinary As concentrations were consistently associated with the aforementioned biomarkers of T2DM pathologic complications. Despite the limited selectivity of the selected T2DM biomarkers, a per unit change in As exposure level was reflected in the corresponding T2DM biomarker urinary concentrations. Our systematic review provides new evidence on the role of environmental As exposures influencing the T2DM disease process. Additional epidemiologic studies onto the association between As and T2DM should incorporate both urinary As and T2DM biomarkers, as suggested in this study, in order to evaluate subclinical effects of low-level As exposures.
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McClintock TR, Chen Y, Bundschuh J, Oliver JT, Navoni J, Olmos V, Lepori EV, Ahsan H, Parvez F. Arsenic exposure in Latin America: biomarkers, risk assessments and related health effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 429:76-91. [PMID: 22119448 PMCID: PMC3977337 DOI: 10.1016/j.scitotenv.2011.08.051] [Citation(s) in RCA: 99] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Revised: 08/08/2011] [Accepted: 08/10/2011] [Indexed: 05/19/2023]
Abstract
In Latin America, several regions have a long history of widespread arsenic (As) contamination from both natural and anthropological sources. Yet, relatively little is known about the extent of As exposure from drinking water and its related health consequences in these countries. It has been estimated that at least 4.5 million people in Latin America are chronically exposed to high levels of As (>50 μg/L), some to as high as 2000 μg/L--200 times higher than the World Health Organization (WHO) provisional standard for drinking water. We conducted a systematic review of 82 peer reviewed papers and reports to fully explore the current understanding of As exposure and its health effects, as well as the influence of genetic factors that modulate those effects in the populations of Latin America. Despite some methodological limitations, these studies suggested important links between the high levels of chronic As exposure and elevated risks of numerous adverse health outcomes in Latin America--including internal and external cancers, reproductive outcomes, and childhood cognitive function. Several studies demonstrated genetic polymorphisms that influence susceptibility to these and other disease states through their modulation of As metabolism, with As methyltransferase (AS3MT), glutathione S-transferase (GST), and genes of one-carbon metabolism being specifically implicated. While the full extent and nature of the health burden are yet to be known in Latin America, these studies have significantly enriched knowledge of As toxicity and led to subsequent research. Targeted future studies will not only yield a better understanding of the public health impact of As in Latin America populations, but also allow for effective and timely mitigation efforts.
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Affiliation(s)
- Tyler R. McClintock
- New York University School of Medicine, New York University, New York, NY, USA
| | - Yu Chen
- Department of Environmental Medicine, New York University, New York, NY, USA
| | - Jochen Bundschuh
- Institute of Applied Research, Karlsruhe University of Applied Sciences, Moltkestrasse 30, 76133 Karlsruhe, Germany
- Department of Earth Sciences, National Cheng Kung University, University Road, Tainan City 701, Taiwan
| | - John T. Oliver
- Columbia University Medical Center, Hammer Health Sciences Center, New York, NY, USA
| | - Julio Navoni
- Cátedra de Toxicología y Química Legal- Facultad de Farmacia y Bioquímica. Universidad de Buenos Aires. Junín 956- piso 7, 1113 Buenos Aires, Argentina
| | - Valentina Olmos
- Cátedra de Toxicología y Química Legal- Facultad de Farmacia y Bioquímica. Universidad de Buenos Aires. Junín 956- piso 7, 1113 Buenos Aires, Argentina
| | - Edda Villaamil Lepori
- Cátedra de Toxicología y Química Legal- Facultad de Farmacia y Bioquímica. Universidad de Buenos Aires. Junín 956- piso 7, 1113 Buenos Aires, Argentina
| | - Habibul Ahsan
- Departments of Medicine and Human Genetics and Cancer Research Center, The University of Chicago, Chicago, IL, USA
- Department of Health Studies, The University of Chicago, Chicago, IL, USA
| | - Faruque Parvez
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
- Address for correspondence and reprints: Faruque Parvez, Department of Environmental Health Sciences, 60 Haven Ave, B-1, New York, NY 10032. Phone / Fax: 212-305-4101/ 212-305-3857,
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Medeiros M, Zheng X, Novak P, Wnek SM, Chyan V, Escudero-Lourdes C, Gandolfi AJ. Global gene expression changes in human urothelial cells exposed to low-level monomethylarsonous acid. Toxicology 2011; 291:102-12. [PMID: 22108045 DOI: 10.1016/j.tox.2011.11.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Revised: 10/13/2011] [Accepted: 11/08/2011] [Indexed: 02/06/2023]
Abstract
Bladder cancer has been associated with chronic arsenic exposure. Monomethylarsonous acid [MMA(III)] is a metabolite of inorganic arsenic and has been shown to transform an immortalized urothelial cell line (UROtsa) at concentrations 20-fold less than arsenite. MMA(III) was used as a model arsenical to examine the mechanisms of arsenical-induced transformation of urothelium. A microarray analysis was performed to assess the transcriptional changes in UROtsa during the critical window of chronic 50nM MMA(III) exposure that leads to transformation at 3 months of exposure. The analysis revealed only minor changes in gene expression at 1 and 2 months of exposure, contrasting with substantial changes observed at 3 months of exposure. The gene expression changes at 3 months were analyzed showing distinct alterations in biological processes and pathways such as a response to oxidative stress, enhanced cell proliferation, anti-apoptosis, MAPK signaling, as well as inflammation. Twelve genes selected as markers of these particular biological processes were used to validate the microarray and these genes showed a time-dependent changes at 1 and 2 months of exposure, with the most substantial changes occurring at 3 months of exposure. These results indicate that there is a strong association between the acquired phenotypic changes that occur with chronic MMA(III) exposure and the observed gene expression patterns that are indicative of a malignant transformation. Although the substantial changes that occur at 3 months of exposure may be a consequence of transformation, there are common occurrences of altered biological processes between the first 2 months of exposure and the third, which may be pivotal in driving transformation.
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Affiliation(s)
- Matthew Medeiros
- Department of Pharmacology and Toxicology, University of Arizona, Tucson, AZ 85721, United States.
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Camacho LM, Gutiérrez M, Alarcón-Herrera MT, Villalba MDL, Deng S. Occurrence and treatment of arsenic in groundwater and soil in northern Mexico and southwestern USA. CHEMOSPHERE 2011; 83:211-25. [PMID: 21216433 DOI: 10.1016/j.chemosphere.2010.12.067] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2010] [Revised: 12/13/2010] [Accepted: 12/13/2010] [Indexed: 05/06/2023]
Abstract
This review focuses on the occurrence and treatment of arsenic (As) in the arid region of northern Mexico (states of Chihuahua and Coahuila) and bordering states of the southwestern US (New Mexico, Arizona, and Texas), an area known for having high As concentrations. Information assembled and assessed includes the content and probable source of As in water, soil, and sediments and treatment methods that have been applied in the area. High As concentrations were found mainly in groundwater, their source being mostly from natural origin related to volcanic processes with significant anthropogenic contributions near mining and smelting of ores containing arsenic. The affinity of As for solid phases in alkaline conditions common to arid areas precludes it from being present in surface waters, accumulating instead in sediments and shifting its threat to its potential remobilization in reservoir sediments and irrigation waterways. Factors such as oxidation and pH that affect the mobility of As in the subsurface environment are mentioned. Independent of socio-demographic variables, nutritional status, and levels of blood lead, cognitive development in children is being affected when exposed to As. Treatments known to effectively reduce As content to safe drinking water levels as well as those that are capable of reducing As content in soils are discussed. Besides conventional methods, emergent technologies, such as phytoremediation, offer a viable solution to As contamination in drinking water.
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Affiliation(s)
- Lucy Mar Camacho
- Center for Inland Desalination Systems, University of Texas at El Paso, 500 West-University Avenue, Room 216, El Paso, TX 79968, USA.
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Engström KS, Vahter M, Lindh C, Teichert F, Singh R, Concha G, Nermell B, Farmer PB, Strömberg U, Broberg K. Low 8-oxo-7,8-dihydro-2'-deoxyguanosine levels and influence of genetic background in an Andean population exposed to high levels of arsenic. Mutat Res 2010; 683:98-105. [PMID: 19896490 DOI: 10.1016/j.mrfmmm.2009.10.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2009] [Revised: 09/14/2009] [Accepted: 10/23/2009] [Indexed: 10/20/2022]
Abstract
BACKGROUND Arsenic (As) causes oxidative stress through generation of reactive oxygen species. 8-Oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG), a sensitive marker of oxidative DNA damage, has been associated with As exposure in some studies, but not in others, possibly due to population-specific genetic factors. OBJECTIVES To evaluate the association between As and 8-oxodG in urine in a population with a low urinary monomethylated As (%MMA) and high dimethylated As (%DMA), as well as the genetic impact on (a) 8-oxodG concentrations and (b) the association between As and 8-oxodG. MATERIALS AND METHODS Women (N=108) in the Argentinean Andes were interviewed and urine was analyzed for arsenic metabolites (ICPMS) and 8-oxodG (LC-MS/MS). Twenty-seven polymorphisms in genes related to oxidative stress and one in As(+III)methyltransferase (AS3MT) were studied. RESULTS Median concentration of 8-oxodG was 4.7 nmol/L (adjusted for specific weight; range 1.6-13, corresponding to 1.7 microg/g creatinine, range 0.57-4.8) and of total urinary As metabolites (U-As) 290 microg/L (range 94-720; 380 microg/g creatinine, range 140-1100). Concentrations of 8-oxodG were positively associated with %MMA (strongest association, p=0.013), and weakly associated with U-As (positively) and %DMA (negatively). These associations were strengthened when taking ethnicity into account, possibly reflecting genetic differences in As metabolism and genes regulating oxidative stress and DNA maintenance. A genetic influence on 8-oxodG concentrations was seen for polymorphisms in apurinic/apyrimidinic endonuclease 1 (APEX1), DNA-methyltransferases 1 and 3b (DNMT1, DNMT3B), thioredoxin reductase 1 (TXNRD1) and 2 (TXNRD2) and glutaredoxin (GLRX). CONCLUSION Despite high As exposure, the concentrations of 8-oxodG in this population were low compared with other As-exposed populations studied. The strongest association was found for %MMA, stressing that some inconsistencies between As and 8-oxodG partly depend on population variations in As metabolism. We found evidence of genetic impact on 8-oxodG concentrations.
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Affiliation(s)
- Karin S Engström
- Department of Laboratory Medicine, Lund University Hospital, Lund, Sweden.
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Ke Y, Duan X, Wen F, Xu X, Tao G, Zhou L, Zhang R, Qiu B. Association of melamine exposure with urinary stone and oxidative DNA damage in infants. Arch Toxicol 2009; 84:301-7. [DOI: 10.1007/s00204-009-0500-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2009] [Accepted: 12/02/2009] [Indexed: 11/28/2022]
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Sodium arsenite induces ROS generation, DNA oxidative damage, HO-1 and c-Myc proteins, NF-kappaB activation and cell proliferation in human breast cancer MCF-7 cells. Mutat Res 2008; 674:109-15. [PMID: 18996220 DOI: 10.1016/j.mrgentox.2008.09.021] [Citation(s) in RCA: 138] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2008] [Accepted: 09/29/2008] [Indexed: 12/11/2022]
Abstract
Epidemiological evidence has associated exposure to arsenic (As) in drinking water with an increased incidence of human cancers in the skin, bladder, liver, kidney and lung. Sodium arsenite mimics the effects of estradiol and induces cell proliferation in the estrogen responsive breast cancer cell line MCF-7. Therefore, our aim was to further explore the ability of sodium arsenite to induce MCF-7 epithelial breast cell proliferation and some of its underlying mechanisms by studying ROS production, c-Myc and HO-1 protein levels, 8-OHdG formation and NF-kappaB activation. Low arsenite concentrations (0.5-5 microM) induced ROS production and ROS-related depolarization of the mitochondrial membrane suggesting that mitochondria played an important role in the oxidative effects of As. ROS-mediated DNA damage as measured by the presence of 8-OHdG DNA-adducts in their nuclei, IkappaB phosphorylation, NF-kappaB activation and increases in c-Myc and HO-1 protein levels were also observed, suggesting that these factors play a relevant role in the arsenite induced MCF-7 cell recruitment into the S-phase of the cell cycle and cell proliferation observed. In conclusion, arsenite activates several pathways involved in MCF-7 cell proliferation suggesting that arsenite exposure may pose a risk for breast cancer in human exposed populations notwithstanding that most studies to date have not yet implicated this metalloid as a cofactor in the etiology of this disease.
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De Vizcaya-Ruiz A, Barbier O, Ruiz-Ramos R, Cebrian ME. Biomarkers of oxidative stress and damage in human populations exposed to arsenic. Mutat Res 2008; 674:85-92. [PMID: 18984063 DOI: 10.1016/j.mrgentox.2008.09.020] [Citation(s) in RCA: 104] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2008] [Accepted: 09/29/2008] [Indexed: 10/21/2022]
Abstract
Arsenic (As) is an ubiquitous element in the environment for which the main route of human exposure is through consumption of drinking water. Reactive oxygen species generation (ROS) associated with As exposure is known to play a fundamental role in the induction of adverse health effects and disease (cancer, diabetes, hypertension, and cardiovascular and neurological diseases). However, the precise mechanisms of oxidative stress and damage from As exposure are not fully understood and moreover the use of non-invasive methods of measuring ROS generation and oxidative damage footprints in humans is no easy task. Although As induces adverse health effects not all exposed individuals develop degenerative chronic diseases or even manifest adverse effects or symptoms, suggesting that genetic susceptibility is an important factor involved in the human response to As exposure. This mini-review summarizes the literature describing the molecular mechanisms affected by As, as well as the most used biomarkers of oxidative stress and damage in human populations. The most reported biomarkers of oxidative DNA damage are the urinary excretion of 8-OHdG and the comet assay in lymphocytes, and more recently DNA repair mechanism markers from the base and nuclear excision repair pathways (BER and NER). Genetic heterogeneity in the oxidative stress pathways involved in As metabolism are important causative factors of disease. Thus further refinement of human exposure assessment is needed to reinforce study design to evaluate exposure-response relationships and study gene-environment interactions. The use of microarray-based gene expression analysis can provide better insights of the underlying mechanisms involved in As-induced diseases and could help to identify target genes that can be modulated to prevent disease.
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Affiliation(s)
- Andrea De Vizcaya-Ruiz
- Sección Externa de Toxicología, Centro de Investigación y Estudios Avanzados del I.P.N., Avenida Instituto Politécnico Nacional 2508, México, D.F., 07360 Mexico
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