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Bamidele OD, Kayode BA, Eniayewu OI, Adegbola AJ, Olatoye RS, Njinga NS, Abdullahi ST, Bakare-Odunola MT. Quality assessment of hydroquinone, mercury, and arsenic in skin-lightening cosmetics marketed in Ilorin, Nigeria. Sci Rep 2023; 13:20992. [PMID: 38017000 PMCID: PMC10684544 DOI: 10.1038/s41598-023-47160-2] [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: 05/26/2023] [Accepted: 11/09/2023] [Indexed: 11/30/2023] Open
Abstract
Hydroquinone, Mercury (Hg), and Arsenic (As) are hazardous to health upon long-term exposure. Hydroquinone, Hg, and As were analysed in skin-lightening cosmetics randomly purchased from different cosmetic outlets within the Ilorin metropolis, Nigeria. The amount of hydroquinone in the samples was determined using a UV-spectrophotometry method at 290 nm. Hg and As were quantified using atomic absorption spectrophotometry (AAS). UV-spectrophotometry method validation showed excellent linearity (r2 = 0.9993), with limits of detection (0.75 µg/mL), limits of quantification (2.28 µg/mL), relative standard deviation (0.01-0.35%), and recovery (95.85-103.56%) in the concentration range of 5-50 µg/mL. Similarly, r2, LOD, and LOQ for Hg and As were 0.9983 and 0.9991, (0.5 and 1.0 µg/L) and 1.65 and 3.3 µg/L) respectively. All the samples contained hydroquinone, Hg and As in varying amounts. The amounts of hydroquinone, Hg and As present were in the ranges of 1.9-3.3%, 0.08-2.52 µg/g and 0.07-5.30 µg/g respectively. Only three of the analysed samples contained hydroquinone within the permissible limit of 2.0% w/w in cosmetic products. All the samples analysed contained mercury and arsenic in varying amounts. The need to periodically monitor the levels of hydroquinone, mercury, and arsenic in skin-lightening cosmetics marketed in Nigeria is recommended.
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Affiliation(s)
- Olasunkanmi David Bamidele
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin, Nigeria.
- School of Medical and Health Sciences, Edith Cowan University, Perth, Australia.
| | - Blessing Ayomide Kayode
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin, Nigeria
| | - Oluwasegun Ibrahim Eniayewu
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin, Nigeria
| | - Adebanjo Jonathan Adegbola
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Raphael Segun Olatoye
- Department of Biochemistry, College of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
- Department of Biochemistry, Faculty of Pure and Applied Sciences, Kwara State University, Malete, Nigeria
| | - Ngaitad Stanislaus Njinga
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin, Nigeria
| | - Sa'ad Toyin Abdullahi
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin, Nigeria
| | - Moji Taibat Bakare-Odunola
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin, Nigeria
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Davydiuk T, Tao J, Lu X, Le XC. Effects of Dietary Intake of Arsenosugars and Other Organic Arsenic Species on Studies of Arsenic Methylation Efficiency in Humans. ENVIRONMENT & HEALTH (WASHINGTON, D.C.) 2023; 1:236-248. [PMID: 37881591 PMCID: PMC10594586 DOI: 10.1021/envhealth.3c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 10/27/2023]
Abstract
Extensive research has used dimethylarsinic acid (DMA) in urine as a marker of arsenic methylation. The premise is that humans methylate inorganic arsenicals to monomethylarsonic acid (MMA) and DMA and excrete these arsenic species into the urine. However, DMA in urine not only comes from the methylation of inorganic arsenic but also could be a result of metabolism of other arsenic species, such as arsenosugars and arsenolipids. Most environmental health and epidemiological studies of arsenic methylation might have overlooked confounding factors that contribute to DMA in urine. Here we critically evaluate reported studies that used methylation indexes, concentration ratios of methylated arsenicals, or the percentage of DMA in urine as markers of arsenic methylation efficiency. Dietary intake of arsenosugars potentially confounds the calculation and interpretation of the arsenic methylation efficiencies. Many studies have not considered incidental dietary intake of arsenosugars, arsenolipids, and other organic arsenic species. Future studies should consider the dietary intake of diverse arsenic species and their potential effect on the urinary concentrations of DMA.
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Affiliation(s)
- Tetiana Davydiuk
- Department
of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
| | - Jeffrey Tao
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G3
| | - Xiufen Lu
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G3
| | - X. Chris Le
- Department
of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
- Division
of Analytical and Environmental Toxicology, Department of Laboratory
Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G3
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Zhao C, Du M, Yang J, Guo G, Wang L, Yan Y, Li X, Lei M, Chen T. Changes in arsenic accumulation and metabolic capacity after environmental management measures in mining area. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 855:158652. [PMID: 36108864 DOI: 10.1016/j.scitotenv.2022.158652] [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: 03/28/2022] [Revised: 09/03/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
Due to the public health concern of arsenic, environmental management measures in mining areas had been implemented. To assess the effect of environmental management measures in the mining area comprehensively, arsenic accumulation in the urine, hair, nails, and urinary metabolites of residents in a realgar mining area in Hunan province, China were investigated in 2019, and the changes in arsenic levels in the biomarkers during 2012-2019 were tracked. The importance of confounding factors (age, sex, occupation, residence, clinical history, vegetable source, cooking fuel, smoking, alcohol consumption, BMI) was analyzed using the Boruta algorithm. After the implementation of environmental management measures (including ceasing mining and smelting activities, building landfills, adjusting the planting structure, and soil restoration), urine, hair, and nail arsenic concentration decreased drastically but were still excessive. Arsenic accumulation was highest in older male miners who were long settled in the mining area and consumed homegrown vegetables. The only factor for changes in urinary arsenic levels was the cooking fuel type; residents using wood as cooking fuel experienced sustained arsenic exposure. Occupation and sex were important for determining arsenic changes in the hair and nails. Short-term arsenic accumulation in urine was affected by arsenic exposure, while long-term accumulation in hair and nails by arsenic metabolic capacity. The percentage of urinary arsenic metabolism and arsenic methylation indices of the participants in the mining area were within the normal range (%iAs: 10-30 %, %MMA: 10-20 %, % DMA: 60-80 %); samples indicated worse metabolic capacity than the reference population. The arsenic metabolic capacity of male miners was relatively weak, probably aggravated by alcohol drinking and smoking. Without soil remediation, arsenic exposure will continue. Homegrown vegetables and biomass fuels should be abandoned; reduced cigarette and alcohol consumption is recommended. Urinary arsenic would be more proper for assessing environmental remediation in mining areas.
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Affiliation(s)
- Chen Zhao
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Meng Du
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jun Yang
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Guanghui Guo
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Lingqing Wang
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Yunxian Yan
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xuewen Li
- Shandong University, School of Public Health, Jinan, Shandong, China
| | - Mei Lei
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tongbin Chen
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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Khanam T, Liang S, Xu S, Musstjab Akber Shah Eqani SA, Shafqat MN, Rasheed H, Bibi N, Shen H, Zhang J. Arsenic exposure induces urinary metabolome disruption in Pakistani male population. CHEMOSPHERE 2023; 312:137228. [PMID: 36372340 DOI: 10.1016/j.chemosphere.2022.137228] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Millions of people are at risk of consuming arsenic (As) contaminated drinking water in Pakistan. The current study aimed to investigate urinary arsenic species [iAsIII, iAsV, dimethylarsinic acid (DMA), methylarsonic acid (MMA)] and their potential toxicity biomarkers (based on urinary metabolome) in order to characterize the health effects in general adult male participants (n = 588) exposed to various levels of arsenic in different floodplain areas of Pakistan. The total urinary arsenic concentration (mean; 161 μg/L) of studied participants was lower and/or comparable than those values reported from other highly contaminated regions, but exceeded the Agency for Toxic Substances and Disease Registry (ATSDR) limits. For all the participants, the most excreted species was DMA accounting for 65% of the total arsenic, followed by MMA (20%) and iAs (16%). The percentage of MMA detected in this study was higher than those of previously reported data from other countries. These results suggested that studied population might have high risk of developing arsenic exposure related adverse health outcomes. Furthermore, random forest machine learning algorithm, partial correlation and binary logistic regression analysis were performed to screen the arsenic species-related urinary metabolites. A total of thirty-eight metabolites were extracted from 2776 metabolic features and identified as the potential arsenic toxicity biomarkers. The metabolites were mainly classified into xanthines, purines, and amino acids, which provided the clues linking the arsenic exposure with oxidative stress, one-carbon metabolism, purine metabolism, caffeine metabolism and hormone metabolism. These results would be helpful to develop early health warning system in context of arsenic exposure among the general populations of Pakistan.
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Affiliation(s)
- Tasawar Khanam
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Shijia Liang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, 361102, Xiamen, China
| | - Song Xu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, 361102, Xiamen, China
| | | | | | - Hifza Rasheed
- National Laboratory for the Water Quality, Pakistan Council Research Water Resources, Islamabad, Pakistan
| | - Nazia Bibi
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Heqing Shen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, 361102, Xiamen, China
| | - Jie Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, 361102, Xiamen, China.
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Alshana U, Altun B, Ertaş N, Çakmak G, Kadioglu E, Hisarlı D, Aşık E, Atabey E, Çelebi CR, Bilir N, Serçe H, Tuncer AM, Burgaz S. Evaluation of low-to-moderate arsenic exposure, metabolism and skin lesions in a Turkish rural population exposed through drinking water. CHEMOSPHERE 2022; 304:135277. [PMID: 35688195 DOI: 10.1016/j.chemosphere.2022.135277] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/03/2022] [Accepted: 06/05/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND There is no human data regarding the exposure, metabolism and potential health effects of arsenic (As) contamination in drinking water in the Central Anatolian region of Turkey. METHODS Residents in ten villages with drinking water of total As (T-As) level >50 μg L-1 and 10-50 μg L-1 were selected as an exposed group (n = 420) and <10 μg L-1 as an unexposed group (n = 185). Time-weighted average-As (TWA-As) intake was calculated from T-As analysis of drinking water samples. Concentrations of T-As in urine and hair samples, urinary As species [i.e., As(III), As(V), MMA(V) and DMA(V], and some micronutrients in serum samples of residents of the study area were determined. Primary and secondary methylation indices (PMI and SMI, respectively) were assessed from urinary As species concentrations and the presence of skin lesion was examined. RESULTS TWA-As intake was found as 75 μg L-1 in the exposed group. Urinary and hair T-As and urinary As species concentrations were significantly higher in the exposed group (P < 0.05). The PMI and SMI values revealed that methylation capacities of the residents were efficient and that there was no saturation in As metabolism. No significant increase was observed in the frequency of skin lesions (hyperpigmentation, hypopigmentation, keratosis) of the exposed group (P > 0.05). Only frequency of keratosis either at the hand or foot was higher in individuals with hair As concentration >1 μg g-1 (P < 0.05). CONCLUSIONS Individuals living in the study area were chronically exposed to low-to-moderate As due to geological contamination in drinking water. No significant increase was observed in the frequency of skin lesions. Because of the controversy surrounding the health risks of low-to-moderate As exposure, it is critical to initiate long-term follow-up studies on health effects in this region.
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Affiliation(s)
- Usama Alshana
- Gazi University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey
| | - Beril Altun
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey
| | - Nusret Ertaş
- Gazi University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey
| | - Gonca Çakmak
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey
| | - Ela Kadioglu
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey
| | - Deniz Hisarlı
- Middle East Technical University, Department of Biochemistry, Ankara, Turkey
| | - Elif Aşık
- Middle East Technical University, Department of Biotechnology, Ankara, Turkey
| | - Eşref Atabey
- General Directorate of Mineral Research and Exploration, Ankara, Turkey
| | | | - Nazmi Bilir
- Hacettepe University, Faculty of Medicine, Department of Public Health, Ankara, Turkey
| | - Hakan Serçe
- Ürgüp State Hospital, Turkish Ministry of Health, Nevşehir, Turkey
| | - A Murat Tuncer
- Turkish Ministry of Health, Cancer Control Department, Ankara, Turkey
| | - Sema Burgaz
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey.
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Lee SG, Kang I, Seo MN, Lee JE, Eom SY, Hwang MS, Park KS, Choi BS, Kwon HJ, Hong YS, Kim H, Park JD. Exposure Levels and Contributing Factors of Various Arsenic Species and Their Health Effects on Korean Adults. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 82:391-402. [PMID: 35132447 DOI: 10.1007/s00244-022-00913-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 01/14/2022] [Indexed: 06/14/2023]
Abstract
Arsenic is a human carcinogen. Data on urinary arsenic species analyses of Koreans are limited. This study evaluated the arsenic exposure level, contributing factors, and health effects in Korean adults. Dietary intake information and urine samples were obtained from 2044 participants. Arsenic exposure was assessed based on urinary concentrations of arsenic species, such as inorganic arsenic, As(III) and As(V), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and arsenobetaine (AsB), using high-performance liquid chromatography with inductively coupled plasma mass spectrometry, followed by determination of biomarkers, malondialdehyde and c-peptide. The geometric mean concentrations were 30.9 μg/L for the sum of inorganic arsenic and their metabolites, and 84.7 μg/L for the total sum of arsenic measured. Urinary concentrations of arsenic species were influenced by age, inhabitant area (inland or coastal), and seafood intake, which was positively correlated with inorganic arsenic, DMA, and AsB. Rice intake was positively correlated with inorganic arsenic and its metabolites but not with AsB. Additionally, malondialdehyde and c-peptide levels were significantly associated with urinary concentrations of various arsenic species. Seafood and rice are major sources of organic/inorganic arsenic exposure in Korean adults; however, it is necessary to evaluate whether their overconsumption could have a potentially detrimental effect on human health.
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Affiliation(s)
- Seul-Gi Lee
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Korea
| | - Ingu Kang
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Korea
| | - Mi-Na Seo
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Korea
| | - Jung-Eum Lee
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Korea
| | - Sang-Yong Eom
- College of Medicine, Chungbuk National University, Cheongju, 28644, Korea
| | - Myung-Sil Hwang
- Food Risk Analysis Division, National Institute of Food and Drug Safety Evaluation, Cheongju, 28159, Korea
| | - Kyung Su Park
- Advanced Analysis Center, Korea Institute of Science and Technology, Seoul, 02792, Korea
| | - Byung-Sun Choi
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Korea
| | - Ho-Jang Kwon
- College of Medicine, Dankook University, Cheonan, 16890, Korea
| | | | - Heon Kim
- College of Medicine, Chungbuk National University, Cheongju, 28644, Korea
| | - Jung-Duck Park
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Korea.
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Importance of monitoring arsenic methylation metabolism in acute promyelocytic leukemia patients receiving the treatment of arsenic trioxide. Exp Hematol Oncol 2021; 10:10. [PMID: 33549147 PMCID: PMC7866431 DOI: 10.1186/s40164-021-00205-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 01/27/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Arsenic trioxide [ATO, inorganic arsenite (iAsIII) in solution] plays an important role in the treatment of acute promyelocytic leukemia (APL). However, the long-term adverse effects (AEs) and the retention of arsenic among APL patients are rarely reported. In this study, we focused on arsenic methylation metabolism and its relationship with chronic hepatic toxicity, as we previously reported, among APL patients who had finished the treatment of ATO. METHODS A total of 112 de novo APL patients who had completed the ATO-containing treatment were enrolled in the study. Arsenic species [iAsIII, inorganic arsenate (iAsV), and their organic metabolites, monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA)] in patients' plasma, urine, hair and nails were detected by high-performance liquid chromatography combined with inductively coupled plasma mass spectrometry (HPLC-ICP-MS). Eighteen single nucleotide polymorphisms (SNPs) of the arsenic (+ 3 oxidative state) methylation transferase (AS3MT) gene, which was known as the main catalyzer for arsenic methylation, were tested with the polymerase chain reaction method. RESULTS The study showed the metabolic pattern of arsenic in APL patients undergoing and after the treatment of ATO, in terms of total arsenic (TAs) and four species of arsenic. TAs decreased to normal after 6 months since cessation of ATO. But the arsenic speciation demonstrated significantly higher portion of iAsIII in patient's urine (40.08% vs. 1.94%, P < 0.001), hair (29.25% vs. 13.29%, P = 0.002) and nails (30.21% vs. 13.64%, P = 0.003) than the healthy controls', indicating a decreased capacity of arsenic methylation metabolism after the treatment of ATO. Urine primary methylation index (PMI) was significantly lower in patients with both chronic liver dysfunction (0.14 vs. 0.28, P = 0.047) and hepatic steatosis (0.19 vs. 0.3, P = 0.027), suggesting that insufficient methylation of arsenic might be related to chronic liver disorders. Two SNPs (A9749G and A27215G) of the AS3MT gene were associated with impaired urine secondary methylation index (SMI). CONCLUSIONS The long-term follow-up of arsenic speciation indicated a decreased arsenic methylation metabolism and a probable relationship with chronic hepatic disorders among APL patients after the cessation of ATO. Urine PMI could be a monitoring index for chronic AEs of ATO, and the SNPs of AS3MT gene should be considered when determining the dosage of ATO.
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Arsenic metabolism differs between child and adult patients during acute arsenic poisoning. Toxicol Appl Pharmacol 2020; 410:115352. [PMID: 33264645 DOI: 10.1016/j.taap.2020.115352] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/19/2020] [Accepted: 11/24/2020] [Indexed: 11/22/2022]
Abstract
Epidemiological studies on chronic arsenic poisoning have clarified the relationship between various adverse effects and methylation efficiency or methylation capacity. However, no study has similarly investigated such effects on patients with acute arsenic poisoning. In the present work, we studied 61 patients with acute oral arsenic poisoning occurring after consumption of an arsenic trioxide-laced meal (curry soup). The cohort included children (defined as under 15 year old [y/o], n = 22) and adults (over 16 y/o, n = 39) whose urinary arsenic profiles were analyzed. None of these patients had received treatment with chelating agents. The estimated median (IQR) arsenic intake was 64.5 mg (48.3-80.5 mg) in children and 76.0 mg (56.0-91.0 mg) in adults, and these values were not significantly different. Symptoms of poisoning in children improved approximately 1 week after hospitalization. However, the symptoms in most adults deteriorated with severe signs of arsenic poisoning. Urinary arsenic profiles of all the patients were analyzed to obtain the following information: % monomethylarsonic acid (MMA), % dimethylarsinic acid (DMA), second methylation ratio (DMA/MMA), and secondary methylation index (SMI, DMA/MMA + DMA). The levels of these parameters may help identify patients at risk for worsening symptoms. %MMA, an indicator of incomplete methylation, increased more in adults, who experienced more severe symptom progression, compared with children. In contrast, %DMA, which indicates more complete and efficient methylation, increased particularly in children with mild symptoms. Overall the present results indicate that children possess an excellent capacity for methylation (second methylation ratio) of arsenic to DMA and therefore, experience relatively less severe progression of symptomology during acute arsenic poisoning.
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Kong C, Yang L, Yu J, Li H, Wei B, Guo Z, Xia Y, Wu K. Changes in urinary arsenic species and methylation capacity in original arsenic exposure cohort after water quality improvement. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:2841-2851. [PMID: 32034620 DOI: 10.1007/s10653-020-00523-4] [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: 08/09/2019] [Accepted: 01/21/2020] [Indexed: 06/10/2023]
Abstract
Water quality improvement is the most efficient way to prevent arsenic exposure. After the cessation of arsenic ingestion, arsenic methylation capacity of the exposed population can change significantly. The factors associated with these changes remain poorly understood. Therefore, arsenic methylation capacity in a study cohort was estimated before and after water quality improvement in the present study. Results indicated that urinary content of the arsenic species in the study cohort significantly decreased after water quality improvement. In addition, the proportions of inorganic arsenic (%iAs) and monomethyl arsenic acid (%MMA) were significantly decreased, while proportions of dimethyl arsenic (%DMA) increased. The primary methylation index (PMI) and secondary methylation index (SMI) increased from 0.85 to 0.92 and 0.82 to 0.84, respectively. Arsenic species urinary content and arsenic methylation index varied slightly between the study cohort after water quality improvement and the control cohort. The rate of increase in PMI was higher than that in SMI. The study group aged 31-50 years had the highest increase in PMI. Logistic regression revealed that %DMA before water quality improvement was negatively associated with the increase in PMI, while %iAs were positively related, and %MMA were positively associated with the increase in SMI. It is concluded that urinary arsenic species content and arsenic methylation capacity increased to the levels of the control cohort after water quality improvement. An increase in primary arsenic methylation capacity may be a burden on the secondary arsenic methylation capacity. The main role of arsenic methylation capacity recovery may be the cessation of arsenic exposure.
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Affiliation(s)
- Chang Kong
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
- College of Resources and Environment, University of Chinese Academy of Sciences, Huairou, People's Republic of China
| | - Linsheng Yang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
- College of Resources and Environment, University of Chinese Academy of Sciences, Huairou, People's Republic of China
| | - Jiangping Yu
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
| | - Hairong Li
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
- College of Resources and Environment, University of Chinese Academy of Sciences, Huairou, People's Republic of China
| | - Binggan Wei
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China.
| | - Zhiwei Guo
- Inner Mongolia Comprehensive Center for Disease Control and Prevention, Hohhot, Inner Mongolia, People's Republic of China
| | - Yajuan Xia
- Inner Mongolia Comprehensive Center for Disease Control and Prevention, Hohhot, Inner Mongolia, People's Republic of China
| | - Kegong Wu
- Inner Mongolia Comprehensive Center for Disease Control and Prevention, Hohhot, Inner Mongolia, People's Republic of China
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An Exposure Assessment of Arsenic and Other Trace Elements in Ha Nam Province, Northern Vietnam. Int J Anal Chem 2020; 2019:5037532. [PMID: 31929802 PMCID: PMC6942806 DOI: 10.1155/2019/5037532] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/10/2019] [Accepted: 12/09/2019] [Indexed: 11/17/2022] Open
Abstract
Concentrations of As and other trace elements were measured in groundwater, rice, hair, urine, and blood samples of people consuming As-contaminated groundwater in a village of Ha Nam province, northern Vietnam to understand the recent status of contamination and assess the possible risks of human exposure. Elevated concentrations of As in groundwater were still observed, exceeding the WHO guideline value in most of the tube wells investigated. Significant positive correlations between As concentrations in groundwater and human samples (hair and urine) were observed. Arsenic concentrations in human and hair appeared to be related to the groundwater usage habit, with higher levels found in drinking group than those in the washing group. Significant good correlations were also encountered between cumulative intakes of As, Mn, and Ba through groundwater consumption and hair concentrations. All these results indicate the chronic exposure to As and some other elements such as Mn and Ba. The total intakes of As, Mn, and Ba through rice and groundwater consumption were estimated to be ranged from 80-836, 49.3-1850, and 311-97100 µg/day, respectively. The daily intakes of As of the study area ranged from 1.6-16.7 µg/kg body wt./day, mean: 7.15 µg/kg body wt./day, in which about 85% of the subjects were above the provisional tolerable daily intake proposed by WHO.
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Spratlen MJ, Grau-Perez M, Umans JG, Yracheta J, Best LG, Francesconi K, Goessler W, Bottiglieri T, Gamble MV, Cole SA, Zhao J, Navas-Acien A. Targeted metabolomics to understand the association between arsenic metabolism and diabetes-related outcomes: Preliminary evidence from the Strong Heart Family Study. ENVIRONMENTAL RESEARCH 2019; 168:146-157. [PMID: 30316100 PMCID: PMC6298442 DOI: 10.1016/j.envres.2018.09.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/02/2018] [Accepted: 09/25/2018] [Indexed: 05/03/2023]
Abstract
BACKGROUND Inorganic arsenic exposure is ubiquitous and both exposure and inter-individual differences in its metabolism have been associated with cardiometabolic risk. A more efficient arsenic metabolism profile (lower MMA%, higher DMA%) has been associated with reduced risk for arsenic-related health outcomes. This profile, however, has also been associated with increased risk for diabetes-related outcomes. OBJECTIVES The mechanism behind these conflicting associations is unclear; we hypothesized the one-carbon metabolism (OCM) pathway may play a role. METHODS We evaluated the influence of OCM on the relationship between arsenic metabolism and diabetes-related outcomes (HOMA2-IR, waist circumference, fasting plasma glucose) using metabolomic data from an OCM-specific and P180 metabolite panel measured in plasma, arsenic metabolism measured in urine, and HOMA2-IR and FPG measured in fasting plasma. Samples were drawn from baseline visits (2001-2003) in 59 participants from the Strong Heart Family Study, a family-based cohort study of American Indians aged ≥14 years from Arizona, Oklahoma, and North/South Dakota. RESULTS In unadjusted analyses, a 5% increase in DMA% was associated with higher HOMA2-IR (geometric mean ratio (GMR)= 1.13 (95% CI: 1.03, 1.25)) and waist circumference (mean difference=3.66 (0.95, 6.38). MMA% was significantly associated with lower HOMA2-IR and waist circumference. After adjustment for OCM-related metabolites (SAM, SAH, cysteine, glutamate, lysophosphatidylcholine 18.2, and three phosphatidlycholines), associations were attenuated and no longer significant. CONCLUSIONS These preliminary results indicate that the association of lower MMA% and higher DMA% with diabetes-related outcomes may be influenced by OCM status, either through confounding, reverse causality, or mediation.
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Affiliation(s)
- Miranda J Spratlen
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA; Department of Environmental Health & Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
| | - Maria Grau-Perez
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA; Fundación Investigación Clínico de Valencia-INCLIVA, Area of Cardiometabolic and Renal Risk, Valencia, Valencia, Spain; University of Valencia, Department of Statistics and Operational Research, Valencia, Valencia, Spain
| | - Jason G Umans
- MedStar Health Research Institute, Hyattsville, MD, USA; Department of Medicine, Georgetown University School of Medicine, Washington, DC, USA
| | - Joseph Yracheta
- Missouri Breaks Industries Research, Inc., Eagle Butte, SD, USA
| | - Lyle G Best
- Missouri Breaks Industries Research, Inc., Eagle Butte, SD, USA
| | - Kevin Francesconi
- Institute of Chemistry - Analytical Chemistry, University of Graz, Austria
| | - Walter Goessler
- Institute of Chemistry - Analytical Chemistry, University of Graz, Austria
| | | | - Mary V Gamble
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Shelley A Cole
- Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Jinying Zhao
- College of Public Health and Health Professions and the College of Medicine at the University of Florida, Gainesville, FL, USA
| | - Ana Navas-Acien
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA; Department of Environmental Health & Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
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Wei B, Yu J, Kong C, Li H, Yang L, Xia Y, Wu K. Effects of arsenic methylation and metabolism on the changes of arsenic-related skin lesions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:24394-24402. [PMID: 29948723 DOI: 10.1007/s11356-018-2512-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 06/05/2018] [Indexed: 06/08/2023]
Abstract
Little was known about the arsenic metabolism and arsenic methylation associated with the changes of skin lesions after reducing the arsenic in drinking water (WAs). Therefore, urinary concentrations and proportions of arsenic species were determined for recovery (RC), improvement (IC), persistent (PE), aggravation (AC), new incidence (NC), and no sign (HC) groups based on the changes of skin lesions between before (in 2004) and after (in 2017) WAs reduction. The results indicate that the urinary concentrations of inorganic arsenic (iAs), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and total arsenic (TAs) were much higher for RC and IC groups than for the other groups in 2004, while these values varied slightly among the groups in 2017. The urinary %iAs of all the groups was significantly decreased after WAs reduction. In contrast, the urinary %DMA of RC, IC, AC, and NC groups was increased. From 2004 to 2017, the PE and HC groups had lower decrease rate of %iAs and %MMA, and increase rate of %DMA, primary methylation index (PMI), and secondary methylation index (SMI) after WAs reduction. The adjusted odd ratios (ORs) showed that the RC, IC, AC, and NC groups were positively related with %iAs and %MMA and were negatively correlated with %DMA, PMI, and SMI before WAs reduction. It can be concluded that higher urinary %iAs and %MMA before WAs reduction increased the probability of skin lesions recovery and improvement, and the risks of skin lesions aggravation and incidence. Higher increase rate of urinary %DMA was positively associated with of skin lesions recovery and improvement. Moreover, higher urinary %iAs and %MMA or lower increase rate of urinary %DMA might increase the risk of skin lesions aggravation.
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Affiliation(s)
- Binggan Wei
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
| | - Jiangping Yu
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
| | - Chang Kong
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Hairong Li
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China.
| | - Linsheng Yang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing, 100101, People's Republic of China.
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China.
| | - Yajuan Xia
- Inner Mongolia Center for Comprehensive Disease Control and Prevention, Hohhot, Inner Mongolia, People's Republic of China
| | - Kegong Wu
- Inner Mongolia Center for Comprehensive Disease Control and Prevention, Hohhot, Inner Mongolia, People's Republic of China
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Jose A, Ray JG. Toxic heavy metals in human blood in relation to certain food and environmental samples in Kerala, South India. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:7946-7953. [PMID: 29302906 DOI: 10.1007/s11356-017-1112-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 12/19/2017] [Indexed: 06/07/2023]
Abstract
Toxic heavy metals such as arsenic (As), lead (Pb), and mercury (Hg) are systemic toxicants that are hazardous to human health. However, as these elements are increasing in the environment due to fast urbanization, industrialization, and chemicalized agricultural activities, accumulation of the same in human body anywhere in the world is quite interesting to global assessment of environment quality. In this connection, random examination of blood samples of human population in Kerala, South India, was carried out to assess the threat of heavy metal contamination to humans in this part of the globe, especially in relation to the amount of such metals in food and other environmental samples. Except pure vegetarians, people of Kerala consume rice as the staple food with a lot of fish. Therefore, the amount of these three heavy metals in drinking water, fish, rice, and paddy soils was done. Heavy metals in the blood were examined in relation to age, gender, and dietary habits such as frequency of fish eating or vegetarianism. Influence of dental amalgam fillings on blood mercury levels was also analyzed. Quantitative assessment of metals in samples was done by inductively coupled plasma-mass spectrometry (ICP-MS). The levels of arsenic, lead, and mercury were found well below the reference values, though diet seemed to pull them up as the amount of metals in blood showed significant differences between vegetarians and non-vegetarians. Evidence to the influence of dental amalgam fillings on blood mercury levels could not be established with the present samples.
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Affiliation(s)
- Anitha Jose
- Laboratory of Ecology & Eco technology, School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
- Department of Zoology, Assumption College, Changanacherry, Kottayam, Kerala, India
| | - Joseph George Ray
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India.
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Jose A, Ray J. Toxic content of certain commercially available fairness creams in Indian market. COGENT MEDICINE 2018. [DOI: 10.1080/2331205x.2018.1433104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Anitha Jose
- Laboratory of Ecology & Eco Technology, School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
- Department of Zoology, Assumption Autonomous College, Changanasserry, Kottayam, Kerala, India
| | - J.G. Ray
- School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India
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Kuo CC, Moon KA, Wang SL, Silbergeld E, Navas-Acien A. The Association of Arsenic Metabolism with Cancer, Cardiovascular Disease, and Diabetes: A Systematic Review of the Epidemiological Evidence. ENVIRONMENTAL HEALTH PERSPECTIVES 2017; 125:087001. [PMID: 28796632 PMCID: PMC5880251 DOI: 10.1289/ehp577] [Citation(s) in RCA: 205] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 02/26/2017] [Accepted: 02/27/2017] [Indexed: 05/18/2023]
Abstract
BACKGROUND The available evidence on the role of arsenic metabolism in individual susceptibility to the development of cancer, cardiovascular disease, and diabetes has not been formally and comprehensively reviewed. OBJECTIVES Our goal was to systematically investigate the association of arsenic metabolism with cancer, cardiovascular disease, and diabetes-related outcomes in epidemiologic studies. As a secondary objective, we characterized the variation of arsenic metabolism in different populations worldwide. METHODS We searched Medline/PubMed and EMBASE from inception to January 2016 and applied predetermined exclusion criteria. Compositional data analysis was used to describe the distribution of arsenic metabolism biomarkers and evaluate the association between arsenic exposure and metabolism. RESULTS Twenty-eight studies met the inclusion criteria, 12 on cancer, nine on cardiovascular disease, and seven on diabetes-related outcomes. The median (interquartile range) for mean iAs%, MMA%, and DMA% was 11.2 (7.8-14.9)%, 13.0 (10.4-13.6)%, and 74.9 (69.8-80.0)%, respectively. Findings across studies suggested that higher arsenic exposure levels were associated with higher iAs% and lower DMA% and not associated with MMA%. For cancer, most studies found a pattern of higher MMA% and lower DMA% associated with higher risk of all-site, urothelial, lung, and skin cancers. For cardiovascular disease, higher MMA% was generally associated with higher risk of carotid atherosclerosis and clinical cardiovascular disease but not with hypertension. For diabetes-related outcomes, the pattern of lower MMA% and higher DMA% was associated with higher risk of metabolic syndrome and diabetes. CONCLUSIONS Population level of iAs% and DMA%, but not MMA%, were associated with arsenic exposure levels. Overall, study findings suggest that higher MMA% was associated with an increased risk of cancer and cardiovascular disease, while lower MMA% was associated with an increased risk of diabetes and metabolic syndrome. Additional population-based studies and experimental studies are needed to further evaluate and understand the role of arsenic exposure in arsenic metabolism and the role of arsenic metabolism in disease development. https://doi.org/10.1289/EHP577.
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Affiliation(s)
- Chin-Chi Kuo
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
- Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions , Baltimore, Maryland, USA
- Kidney Institute and Big Data Center, China Medical University Hospital and College of Medicine, China Medical University , Taichung, Taiwan
| | - Katherine A Moon
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
- Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions , Baltimore, Maryland, USA
| | - Shu-Li Wang
- National Institute of Environmental Health Sciences, National Health Research Institutes , Miaoli, Taiwan
| | - Ellen Silbergeld
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
| | - Ana Navas-Acien
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
- Department of Environmental Health Sciences, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
- Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions , Baltimore, Maryland, USA
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health , New York, New York, USA
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Pham LH, Nguyen HT, Van Tran C, Nguyen HM, Nguyen TH, Tu MB. Arsenic and other trace elements in groundwater and human urine in Ha Nam province, the Northern Vietnam: contamination characteristics and risk assessment. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2017; 39:517-529. [PMID: 27149867 DOI: 10.1007/s10653-016-9831-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2015] [Accepted: 04/26/2016] [Indexed: 05/23/2023]
Abstract
The contamination characteristics of arsenic and other trace elements in groundwater and the potential risks of arsenic from the groundwater were investigated. Elevated contamination of arsenic, barium and manganese was observed in tube-well water of two villages (Chuyen Ngoai and Chau Giang) in Ha Nam province in the Northern Vietnam. Concentrations of As in the groundwater ranged from 12.8 to 884 µg/L with mean values in Chuyen Ngoai and Chau Giang were 614.7 and 160.1 µg/L, respectively. About 83 % of these samples contained As concentrations exceeding WHO drinking water guideline of 10 μg/L. The mean values of Mn and Ba in groundwater from Chuyen Ngoai and Chau Giang were 300 and 657 μg/L and 650 and 468 μg/L, respectively. The mean value of Ba concentration in groundwater in both Chuyen Ngoai and Chau Giang was about 22 % of the samples exceeded the WHO guideline (700 µg/L). Arsenic concentrations in human urine of residents from Chuyen Ngoai and Chau Giang were the range from 8.6 to 458 µg/L. The mean values of Mn and Ba in human urine of local people from Chuyen Ngoai were 46.9 and 62.8 μg/L, respectively, while those in people from Chau Giang were 25.9 and 45.9 μg/L, respectively. The average daily dose from ingesting arsenic for consuming both untreated and treated groundwater is from 0.02 to 11.5 and 0.003 to 1.6 μg/kg day, respectively. Approximately, 57 % of the families using treated groundwater and 64 % of the families using untreated groundwater could be affected by elevated arsenic exposure.
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Affiliation(s)
- Long Hai Pham
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam.
| | - Hue Thi Nguyen
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam
| | - Cuong Van Tran
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam
| | - Ha Manh Nguyen
- Faculty of Chemistry, VNU University of Science, 19 Le Thanh Tong Street, Hoan Kiem District, Hanoi, Vietnam
| | - Tung Hoang Nguyen
- Institute of Environmental Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam
| | - Minh Binh Tu
- Faculty of Chemistry, VNU University of Science, 19 Le Thanh Tong Street, Hoan Kiem District, Hanoi, Vietnam
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Antonelli R, Shao K, Thomas DJ, Sams R, Cowden J. AS3MT, GSTO, and PNP polymorphisms: impact on arsenic methylation and implications for disease susceptibility. ENVIRONMENTAL RESEARCH 2014; 132:156-67. [PMID: 24792412 DOI: 10.1016/j.envres.2014.03.012] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Revised: 03/05/2014] [Accepted: 03/12/2014] [Indexed: 05/19/2023]
Abstract
BACKGROUND Oral exposure to inorganic arsenic (iAs) is associated with adverse health effects. Epidemiological studies suggest differences in susceptibility to these health effects, possibly due to genotypic variation. Genetic polymorphisms in iAs metabolism could lead to increased susceptibility by altering urinary iAs metabolite concentrations. OBJECTIVE To examine the impact of genotypic polymorphisms on iAs metabolism. METHODS We screened 360 publications from PubMed and Web of Science for data on urinary mono- and dimethylated arsenic (MMA and DMA) percentages and polymorphic genes encoding proteins that are hypothesized to play roles in arsenic metabolism. The genes we examined were arsenic (+3) methyltransferase (AS3MT), glutathione-s-transferase omega (GSTO), and purine nucleoside phosphorylase (PNP). Relevant data were pooled to determine which polymorphisms are associated across studies with changes in urinary metabolite concentration. RESULTS In our review, AS3MT polymorphisms rs3740390, rs11191439, and rs11191453 were associated with statistically significant changes in percent urinary MMA. Studies of GSTO polymorphisms did not indicate statistically significant associations with methylation, and there are insufficient data on PNP polymorphisms to evaluate their impact on metabolism. DISCUSSION Collectively, these data support the hypothesis that AS3MT polymorphisms alter in vivo metabolite concentrations. Preliminary evidence suggests that AS3MT genetic polymorphisms may impact disease susceptibility. GSTO polymorphisms were not associated with iAs-associated health outcomes. Additional data are needed to evaluate the association between PNP polymorphisms and iAs-associated health outcomes. Delineation of these relationships may inform iAs mode(s) of action and the approach for evaluating low-dose health effects for iAs. CONCLUSIONS Genotype impacts urinary iAs metabolite concentrations and may be a potential mechanism for iAs-related disease susceptibility.
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Affiliation(s)
- Ray Antonelli
- ORISE Fellow, Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Kan Shao
- ORISE Fellow, Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - David J Thomas
- Integrated Systems Toxicology Division, National Health and Environmental Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Reeder Sams
- Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, Research Triangle Park Division, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - John Cowden
- Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, Research Triangle Park Division, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
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Melak D, Ferreccio C, Kalman D, Parra R, Acevedo J, Pérez L, Cortés S, Smith AH, Yuan Y, Liaw J, Steinmaus C. Arsenic methylation and lung and bladder cancer in a case-control study in northern Chile. Toxicol Appl Pharmacol 2014; 274:225-31. [PMID: 24296302 PMCID: PMC4344188 DOI: 10.1016/j.taap.2013.11.014] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Revised: 11/16/2013] [Accepted: 11/20/2013] [Indexed: 01/08/2023]
Abstract
In humans, ingested inorganic arsenic is metabolized to monomethylarsenic (MMA) then to dimethylarsenic (DMA), although this process is not complete in most people. The trivalent form of MMA is highly toxic in vitro and previous studies have identified associations between the proportion of urinary arsenic as MMA (%MMA) and several arsenic-related diseases. To date, however, relatively little is known about its role in lung cancer, the most common cause of arsenic-related death, or about its impacts on people drinking water with lower arsenic concentrations (e.g., <200μg/L). In this study, urinary arsenic metabolites were measured in 94 lung and 117 bladder cancer cases and 347 population-based controls from areas in northern Chile with a wide range of drinking water arsenic concentrations. Lung cancer odds ratios adjusted for age, sex, and smoking by increasing tertiles of %MMA were 1.00, 1.91 (95% confidence interval (CI), 0.99-3.67), and 3.26 (1.76-6.04) (p-trend <0.001). Corresponding odds ratios for bladder cancer were 1.00, 1.81 (1.06-3.11), and 2.02 (1.15-3.54) (p-trend <0.001). In analyses confined to subjects only with arsenic water concentrations <200μg/L (median=60μg/L), lung and bladder cancer odds ratios for subjects in the upper tertile of %MMA compared to subjects in the lower two tertiles were 2.48 (1.08-5.68) and 2.37 (1.01-5.57), respectively. Overall, these findings provide evidence that inter-individual differences in arsenic metabolism may be an important risk factor for arsenic-related lung cancer, and may play a role in cancer risks among people exposed to relatively low arsenic water concentrations.
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Affiliation(s)
- Dawit Melak
- Global Health Sciences, University of California, San Francisco, San Francisco, CA, USA
| | - Catterina Ferreccio
- Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - David Kalman
- School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA
| | - Roxana Parra
- Hospital Regional de Antofagasta, Antofagasta, Chile
| | - Johanna Acevedo
- Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - Liliana Pérez
- Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - Sandra Cortés
- Escuela de Medicina, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - Allan H Smith
- Arsenic Health Effects Research Group, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Yan Yuan
- Arsenic Health Effects Research Group, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Jane Liaw
- Arsenic Health Effects Research Group, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Craig Steinmaus
- Arsenic Health Effects Research Group, School of Public Health, University of California, Berkeley, Berkeley, CA, USA; Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, CA, USA.
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Li X, Li B, Xi S, Zheng Q, Lv X, Sun G. Prolonged environmental exposure of arsenic through drinking water on the risk of hypertension and type 2 diabetes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:8151-8161. [PMID: 23649600 DOI: 10.1007/s11356-013-1768-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 04/24/2013] [Indexed: 06/02/2023]
Abstract
Prolonged exposure to inorganic arsenic has been a severe environmental public health issue worldwide in the recent decades. Increasing evidence has suggested a possible role of prolonged arsenic exposure through drinking water in the development of arsenic-induced chronic noncancer diseases, among which hypertension and type 2 diabetes (T2D) are the focus of concern. Although exposure to high levels of arsenic has been reported to be associated with excess risk of hypertension or T2D in a dose-dependent manner, the association has yet to be established, especially low-level exposure. This cross-sectional study was designed to evaluate the potential association between prolonged environmental arsenic exposure through drinking water and the prevalence of hypertension and T2D in Inner Mongolia, China, with emphasis on the assessment of low-level exposure. In this study (a total of 669 men and women), we found that the blood pressure levels were significantly correlated with cumulative arsenic exposure and that the systolic blood pressure of the subjects with arsenic exposure>50 μg/L was significantly higher than those of the subjects with <10 and 10-50 μg/L exposure. Significant prevalence of hypertension was found in the subjects of the >50 μg/L group both before and after adjustment for confounders. In addition, a significant negative relationship was found between urinary arsenic percentage of dimethylated arsenic (DMA%) and the prevalence of hypertension in the >50 μg/L group. However, low-level arsenic exposure (10-50 μg/L) was not statistically associated with hypertension. No significant difference of blood glucose was found among the groups with different arsenic exposure levels. No statistical association was found between arsenic exposure and T2D. Our findings suggested that prolonged arsenic exposure might play a role in the development of hypertension; however, only high-level arsenic was associated with the risk of hypertension. Our findings also indicated that lower DMA% might be related with the increased susceptibility of arsenic-induced hypertension.
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Affiliation(s)
- Xin Li
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 Bei Er Road, Heping District, Shenyang, Liaoning Province, 110001, China
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Chung CJ, Huang YL, Huang YK, Wu MM, Chen SY, Hsueh YM, Chen CJ. Urinary arsenic profiles and the risks of cancer mortality: a population-based 20-year follow-up study in arseniasis-endemic areas in Taiwan. ENVIRONMENTAL RESEARCH 2013; 122:25-30. [PMID: 23276485 DOI: 10.1016/j.envres.2012.11.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 11/20/2012] [Accepted: 11/30/2012] [Indexed: 06/01/2023]
Abstract
Few studies investigated the association between chronic arsenic exposure and the mortality of cancers by estimating individual urinary arsenic methylation profiles. Therefore, we compared with the general population in Taiwan to calculate the standardized mortality ratio (SMR) in arseniasis-endemic area of Taiwan from 1996 to 2010 and evaluated the dose-response relationships between environmental arsenic exposure indices or urinary arsenic profiles and the mortality of cause-specific cancer. A cohort of 1563 residents was conducted and collected their urine sample and information regarding arsenic exposure from a questionnaire. All-cause death was identified using the National Death Registry of Taiwan. Urinary arsenic profiles were measured using high performance liquid chromatography-hydride generator-atomic absorption spectrometry. We used Cox proportional hazard models to evaluate the mortality risks. In results, 193 all-site cancer deaths, and 29, 71, 43 deaths respectively for liver, lung and bladder cancers were ascertained. The SMRs were significantly high in arseniasis-endemic areas for liver, lung, and bladder cancers. People with high urinary InAs% or low DMA% or low secondary methylation index (SMI) were the most likely to suffer bladder cancer after adjusting other risk factors. Even stopping exposure to arsenic from the artesian well water, the mortality rates of the residents were higher than general population. Finally, urinary InAs%, DMA% and SMI could be the potential biomarkers to predict the mortality risk of bladder cancer.
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Affiliation(s)
- Chi-Jung Chung
- Department of Health Risk Management, College of Public Health, China Medical University, Taichung, Taiwan
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Xu W, Bao H, Liu F, Liu L, Zhu YG, She J, Dong S, Cai M, Li L, Li C, Shen H. Environmental exposure to arsenic may reduce human semen quality: associations derived from a Chinese cross-sectional study. Environ Health 2012; 11:46. [PMID: 22776062 PMCID: PMC3419631 DOI: 10.1186/1476-069x-11-46] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Accepted: 07/09/2012] [Indexed: 05/20/2023]
Abstract
BACKGROUND Recent observations in in vitro and in vivo models suggest that arsenic (As) is an endocrine disruptor at environmentally-relevant levels. When exposed to As, male rats and mice show steroidogenic dysfunction that can lead to infertility. However, the possible effects of As on human male semen quality remain obscure. METHODS We monitored the profile of As species in the urine of a reproductive-age human cohort and assessed its association with semen quality. Men (n = 96) were recruited in an infertility clinic from July 2009 to August 2010 in the Affiliated Hospital of Chongqing Institute for Population and Family Planning. Five urinary As species were analyzed by high-performance liquid chromatography coupled with inductively coupled plasma mass spectrometry (HPLC-ICP-MS). Clinical information on the semen volume, sperm concentration and motility was employed to catalogue and evaluate semen quality according to WHO guidelines. As species concentrations in addition to other continuous variables were dichotomized by the medians and modelled as categorical variables in order to explore using the binary logistic regression possible associations between As exposure and semen quality. RESULTS Urinary concentrations (geometric mean ± SD, μg g(-1) creatinine) of different As species were 7.49 (± 24.8) for AsB, 20.9 (± 13.7) for DMA, 2.77 (± 3.33) for MMA, and 4.03 (± 3.67) for Asi (Asi(III )and Asi(V)). DMA concentrations above the median were significantly associated with below-reference sperm concentrations (P = 0.02) after adjusting for age, body mass index (BMI), abstinence, smoking and drinking habits. In addition, smoking was positively associated with MMA. CONCLUSION Reduced parameters in human semen quality are positively associated with As exposure in a reproductive-age Chinese cohort.
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Affiliation(s)
- Weipan Xu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Huaqiong Bao
- Chongqing Key Laboratory of Birth Defects and Reproductive Health, The Affiliated Hospital of Chongqing Institute for Population and Family Planning, Chongqing 400020, China
| | - Feng Liu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Liangpo Liu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Yong-Guan Zhu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Jianwen She
- Environmental Health Laboratory Branch, California Department of Public Health, Richmond, CA 94804, USA
| | - Sijun Dong
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Min Cai
- Chongqing Key Laboratory of Birth Defects and Reproductive Health, The Affiliated Hospital of Chongqing Institute for Population and Family Planning, Chongqing 400020, China
| | - Lianbing Li
- Chongqing Key Laboratory of Birth Defects and Reproductive Health, The Affiliated Hospital of Chongqing Institute for Population and Family Planning, Chongqing 400020, China
| | - Chuanhai Li
- Chongqing Key Laboratory of Birth Defects and Reproductive Health, The Affiliated Hospital of Chongqing Institute for Population and Family Planning, Chongqing 400020, China
| | - Heqing Shen
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
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Cascio C, Raab A, Jenkins RO, Feldmann J, Meharg AA, Haris PI. The impact of a rice based diet on urinary arsenic. ACTA ACUST UNITED AC 2011; 13:257-65. [DOI: 10.1039/c0em00482k] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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