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Medda N, Maiti S, Acharyya N, Samanta T, Banerjee A, De SK, Ghosh TK, Maiti S. Arsenic Induced Oxidative Neural-Damages in Rat are Mitigated by Tea-Leave Extract via MMPs and AChE Inactivation, Shown by Molecular Docking and in Vitro Studies with Pure Theaflavin and AChE. Cell Biochem Biophys 2024:10.1007/s12013-024-01369-8. [PMID: 38943009 DOI: 10.1007/s12013-024-01369-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2024] [Indexed: 06/30/2024]
Abstract
BACKGROUND Chronic arsenic-exposure causes neuromuscular disorders and other health anomalies. Damage to DNA and cytoskeletal/extracellular matrix is brought on by reactive-oxygen-species (ROS)-induced intrinsic antioxidant depletion (thiols/urate). Therapeutic chelating-agents have multiple side-effects. OBJECTIVES The protection of (Camellia sinensis) tea-extract and role of uric-acid (UA) or allopurinol (urate-depletor) on arsenic-toxicity were verified in rat model. METHODS Camellia sinensis (CS dry-leaves), UA or allopurinol was supplemented to arsenic-intoxicated rats for 4-weeks. Purified theaflavins and their galloyl-ester were tested in-vitro on pure AChE (acetylcholinesterase) and their PDB/PubChem 3-D structures were utilized for in-silico binding studies. The primary chemical components were evaluated from CS-extracts. Biochemical analysis, PAGE-zymogram, DNA-stability comet analysis, HE-staining was performed in arsenic-exposed rat brain tissues. RESULTS Animals exposed to arsenic showed symptoms of erratic locomotion, decreased intrinsic antioxidants (catalase/SOD1/uric acid), increased AChE, and malondialdehyde. Cerebellar and cerebrum tissue damages were shown with increased levels of matrix-metalloprotease (MMP2/9) and DNA damage (comets). Allopurinol- supplemented group demonstrated somewhat similar biochemical responses. In the CS-group brain tissues especially cerebellum is considerably protected which is evident from endogenous antioxidant and DNA and cytoskeleton protection with concomitant inactivation of MMPs and AChE. Present study indicates theaflavin-digallate (TFDG) demonstrated the highest inhibition of purified AChE (IC50 = 2.19 µg/ml with the lowest binding free-energy; -369.87 kcal/mol) followed by TFMG (IC50 = 3.86 µg/ml, -347.06 kcal/mol) suggesting their possible restoring effects of cholinergic response. CONCLUSIONS Favorable responses in UA-group and adverse outcome in allo-group justify the neuro-protective effects of UA as an endogenous antioxidant. Role of flavon-gallate in neuro protection mechanism may be further studied.
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Affiliation(s)
- Nandita Medda
- Department of Biochemistry and Biotechnology, Oriental Institute of Science and Technology, Midnapore, 721102, West Bengal, India
- Indian Institute of Technology, Roorkee, Uttarakhand, India
| | - Sayantani Maiti
- Department of Biochemistry and Biotechnology, Oriental Institute of Science and Technology, Midnapore, 721102, West Bengal, India
| | - Nirmallya Acharyya
- Department of Biochemistry and Biotechnology, Oriental Institute of Science and Technology, Midnapore, 721102, West Bengal, India
- Post-Doctoral Fellow, US-FDA, Silver Spring, MD, USA
| | - Tanmoy Samanta
- Indian Institute of Technology, Kharagpur, West Bengal, India
| | - Amrita Banerjee
- Haldia Institute of Health Sciences, ICARE, Haldia, West Bengal, India
- Centre for Industrial Biotechnology Research, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, 751003, India
| | - Subrata Kr De
- Department of Zoology, Vidyasagar University, Medinipur, 721102, India
| | - Tamal Kanti Ghosh
- Purulia Government Medical College and Hospital, Purulia, West Bengal, India
| | - Smarajit Maiti
- Haldia Institute of Health Sciences, ICARE, Haldia, West Bengal, India.
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Demissie S, Mekonen S, Awoke T, Teshome B, Mengistie B. Prevalence of arsenic-induced skin lesions and associated factors in Ethiopia: Community-based study. Toxicol Rep 2023; 11:153-161. [PMID: 37559672 PMCID: PMC10407820 DOI: 10.1016/j.toxrep.2023.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/20/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023] Open
Abstract
The study aimed to assess the prevalence of arsenic-induced skin lesions and associated factors among the population in the Adami Tulu Jido Kombolcha district, Ethiopia. A community-based cross-sectional study design was employed among 403 participants from June 02-20, 2022. A two-stage cluster sampling method was conducted to select study subjects. A pretested structured and semi-structured interview questionnaire and observation using a WHO flow chart were used for data collection. Data analysis was performed using SPSS version 24 statistical software for Windows. A multivariable binary logistic regression model was applied to examine the relationship between predictor variables and an outcome variable. The degrees of association between outcomes and predictor variables were assessed using ORs and 95% CIs, and P-values < 0.05 were considered significant. The prevalence of arsenic-induced skin lesions (arsenicosis) in the study area was 2.2% [95% CI: 1.0-3.7]. The most common arsenic-induced manifestation was keratosis (55.6%), followed by hyperpigmentation (33.3%) and hyperkeratosis (11.1%). Consumption of well water, smoking cigarettes, and chewing khat were significantly associated with arsenic-induced skin lesions. Therefore, the findings of this study should trigger further research on arsenic exposure and health risks.
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Affiliation(s)
- Solomon Demissie
- Ethiopian Institute of Water Resources, Addis Ababa University, Ethiopia
| | - Seblework Mekonen
- Ethiopian Institute of Water Resources, Addis Ababa University, Ethiopia
| | - Tadesse Awoke
- Department of Epidemiology and Biostatistics, University of Gondar, Ethiopia
| | - Birhanu Teshome
- Division of Epidemiology and Biostatistics, Stellenbosch University, South Africa
| | - Bezatu Mengistie
- Ethiopian Institute of Water Resources, Addis Ababa University, Ethiopia
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Wu F, Wang Z, Li X, Wang X. Amide herbicides: Analysis of their environmental fate, combined plant-microorganism soil remediation scheme, and risk prevention and control strategies for sensitive populations. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132452. [PMID: 37683346 DOI: 10.1016/j.jhazmat.2023.132452] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/21/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023]
Abstract
In this study, we predicted the environmental fate of amide herbicides (AHs) using the EQC (EQuilibrium Criterion) model. We found that the soil phase is the main reservoir of AHs in the environment. Second, a toxicokinetic prediction indicated that butachlor have a low human health risk, while the alachlor, acetochlor, metolachlor, napropamide, and propanil are all uncertain. To address the environmental and human-health-related threats posed by AHs, 27 new proteins/enzymes that easily absorb, degrade, and mineralize AHs were designed. Compared with the target protein/enzyme, the comprehensive evaluation value of the new proteins/enzymes increased significantly: the absorption protein increased by 20.29-113.49%; the degradation enzyme increased by 151.26-425.22%; and the mineralization enzyme increased by 23.70-52.16%. Further experiments revealed that the remediating effect of 13 new proteins/enzymes could be significantly enhanced to facilitate their applicability under real environmental conditions. The hydrophobic interactions, van der Waals forces, and polar solvation are the key factors influencing plant-microorganism remediation. Finally, the simulations revealed that appropriate consumption of kiwifruit or simultaneous consumption of ginseng, carrot, and spinach, and avoiding the simultaneous consumption of maize and carrot/spinach are the most effective means reduce the risk of exhibiting AH-linked toxicity.
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Affiliation(s)
- Fuxing Wu
- College of Plant Science, Jilin University, Changchun 130062, China
| | - Zini Wang
- College of Plant Science, Jilin University, Changchun 130062, China
| | - Xinao Li
- Moe Key Laboratory of Resources and Environmental System Optimization, North China Electric Power University, Beijing 102206, China.
| | - Xiaoli Wang
- College of Plant Science, Jilin University, Changchun 130062, China.
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4
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Zhang W, Sun X, Lei Y, Liu X, Zhang Y, Wang Y, Lin H. Roles of selenoprotein K in oxidative stress and endoplasmic reticulum stress under selenium deficiency in chicken liver. Comp Biochem Physiol C Toxicol Pharmacol 2023; 264:109504. [PMID: 36375805 DOI: 10.1016/j.cbpc.2022.109504] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/13/2022]
Abstract
Selenoprotein K (SELENOK) is a major part of selenoprotein family. Selenoproteins have been proven playing vital roles in a variety of physiological processes. However, as a necessary supplement to the body of trace elements, how SELENOK regulates necroptosis in chicken liver has none clear claim. The purpose of this study was to cover the mechanism of SELENOK act in necroptosis of chicken liver. By feeding Se-deficiency diet for 1-day-old hyline chickens, we successfully built SELENOK-deficiency and discussed the regulation SELENOK have done. The test of liver function showed there has dysfunction appeared in the -Se groups. Results of TEM showed necroptosis occurred in the 35-Se group. After that western blot and qRT-PCR results prompted us SELENOK-deficiency caused large accumulation of ROS, enhanced endoplasmic reticulum stress, abnormally elevated HSPs family expression, and activated RIPK1-RIPK3 complex. In order to show the regulation of SELENOK in chicken liver, we artificially knocked off SELENOK gene in LMH cells. Through AO/EB staining we also found necroptosis in the siRNA-Se group. Furthermore, the results in LMH cells were coincided with those in chicken (Gallus gallus) liver. Our experiment clarified the molecular mechanism of SELENOK in the regulation and liver necroptosis, and provided reference for the healthy feeding mode of broilers.
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Affiliation(s)
- Wenyue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xinyue Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yutian Lei
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiaojing Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yilei Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yuqi Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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5
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Lu Z, Wang F, Xia Y, Cheng S, Zhang J, Qin X, Tian X, Wang B, Qiu J, Zou Z, Jiang X, Chen C. Involvement of gut-brain communication in arsenite-induced neurobehavioral impairments in adult male mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114370. [PMID: 36508802 DOI: 10.1016/j.ecoenv.2022.114370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 11/22/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Arsenite is a well-documented neurotoxic metalloid that widely distributes in the natural environment. However, it remains largely unclear how arsenite affects neurological function. Therefore, in this study, the healthy adult male mice were exposed to 0.5 mg/L and 5 mg/L arsenite through drinking water for 30 and 90 days, respectively. Our results showed that there was no significant alteration in the intestine and brain for 30 days exposure, but exposure to arsenite for 90 days significantly induced a reduction of locomotor activity and anxiety-like behavior, caused pathological damage and inflammatory responses in the brain and intestine. We also found that arsenite remarkably disrupted intestinal barrier integrity, decreased the levels of lysozyme and digestive enzymes. Intriguingly, chronic exposure to arsenite significantly changed the levels of gut-brain peptides. Taken together, this study provides meaningful insights that gut-brain communication may involve in the neurobehavioral impairments of arsenite.
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Affiliation(s)
- Zhaohong Lu
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Fanghong Wang
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Yinyin Xia
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Shuqun Cheng
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Jun Zhang
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Xia Qin
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Xin Tian
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Bin Wang
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Jingfu Qiu
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China
| | - Zhen Zou
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing 400016, People's Republic of China; Research Center for Environment and Human Health, Chongqing Medical University, Chongqing 400016, People's Republic of China.
| | - Xuejun Jiang
- Research Center for Environment and Human Health, Chongqing Medical University, Chongqing 400016, People's Republic of China; Center of Experimental Teaching for Public Health, Experimental Teaching and Management Center, Chongqing Medical University, Chongqing 400016, People's Republic of China.
| | - Chengzhi Chen
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing 400016, People's Republic of China; Research Center for Environment and Human Health, Chongqing Medical University, Chongqing 400016, People's Republic of China.
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Sadiku OO, Rodríguez-Seijo A. Metabolic and genetic derangement: a review of mechanisms involved in arsenic and lead toxicity and genotoxicity. Arh Hig Rada Toksikol 2022; 73:244-255. [PMID: 36607725 PMCID: PMC9985351 DOI: 10.2478/aiht-2022-73-3669] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/01/2022] [Accepted: 10/01/2022] [Indexed: 01/07/2023] Open
Abstract
Urbanisation and industrialisation are on the rise all over the world. Environmental contaminants such as potentially toxic elements (PTEs) are directly linked with both phenomena. Two PTEs that raise greatest concern are arsenic (As) and lead (Pb) as soil and drinking water contaminants, whether they are naturally occurring or the consequence of human activities. Both elements are potential carcinogens. This paper reviews the mechanisms by which As and Pb impair metabolic processes and cause genetic damage in humans. Despite efforts to ban or limit their use, due to high persistence both continue to pose a risk to human health, which justifies the need for further toxicological research.
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Affiliation(s)
- Olubusayo Olujimi Sadiku
- University of Lagos, College of Medicine, Faculty of Basic Medical Sciences, Department of Medical Laboratory Science, Lagos, Nigeria
| | - Andrés Rodríguez-Seijo
- University of Porto, Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Matosinhos, Portugal
- University of Porto, Faculty of Sciences, Biology Department, Porto, Portugal
- University of Vigo, Department of Plant Biology and Soil Sciences, Ourense, Spain
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Bjørklund G, Rahaman MS, Shanaida M, Lysiuk R, Oliynyk P, Lenchyk L, Chirumbolo S, Chasapis CT, Peana M. Natural Dietary Compounds in the Treatment of Arsenic Toxicity. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27154871. [PMID: 35956821 PMCID: PMC9370003 DOI: 10.3390/molecules27154871] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/23/2022] [Accepted: 07/27/2022] [Indexed: 12/22/2022]
Abstract
Chronic exposure to arsenic (As) compounds leads to its accumulation in the body, with skin lesions and cancer being the most typical outcomes. Treating As-induced diseases continues to be challenging as there is no specific, safe, and efficacious therapeutic management. Therapeutic and preventive measures available to combat As toxicity refer to chelation therapy, antioxidant therapy, and the intake of natural dietary compounds. Although chelation therapy is the most commonly used method for detoxifying As, it has several side effects resulting in various toxicities such as hepatotoxicity, neurotoxicity, and other adverse consequences. Drugs of plant origin and natural dietary compounds show efficient and progressive relief from As-mediated toxicity without any particular side effects. These natural compounds have also been found to aid the elimination of As from the body and, therefore, can be more effective than conventional therapeutic agents in ameliorating As toxicity. This review provides an overview of the recently updated knowledge on treating As poisoning through natural dietary compounds. This updated information may serve as a basis for defining novel prophylactic and therapeutic formulations.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Toften 24, 8610 Mo i Rana, Norway
- Correspondence: (G.B.); (M.P.)
| | - Md. Shiblur Rahaman
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, Shimotsuke 329-0498, Japan; or
- Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Mariia Shanaida
- Department of Pharmacognosy and Medical Botany, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine;
| | - Roman Lysiuk
- Department of Pharmacognosy and Botany, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine;
- CONEM Ukraine Life Science Research Group, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine
| | - Petro Oliynyk
- Department of Disaster Medicine and Military Medicine, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine;
| | - Larysa Lenchyk
- Department of Chemistry of Natural Compounds, National University of Pharmacy, 61002 Kharkiv, Ukraine;
- CONEM Ukraine Pharmacognosy and Natural Product Chemistry Research Group, National University of Pharmacy, 61002 Kharkiv, Ukraine
| | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy;
- CONEM Scientific Secretary, strada Le Grazie 9, 37134 Verona, Italy
| | - Christos T. Chasapis
- NMR Facility, Instrumental Analysis Laboratory, School of Natural Sciences, University of Patras, 265 04 Patras, Greece;
| | - Massimiliano Peana
- Department of Chemical, Physics, Mathematics and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
- Correspondence: (G.B.); (M.P.)
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Wang P, Du H, Fu Y, Cai X, Yin N, Cui Y. Role of human gut bacteria in arsenic biosorption and biotransformation. ENVIRONMENT INTERNATIONAL 2022; 165:107314. [PMID: 35635965 DOI: 10.1016/j.envint.2022.107314] [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: 03/10/2022] [Revised: 05/01/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
There is growing evidence that human gut microbiota can metabolize arsenic (As); however, which bacteria play roles in this metabolism is unclear. In this study, we measured the abilities of 21 human gut bacteria strains from diverse clades to adsorb and transform As using in vitro method with the aim of determining which bacteria play a role in As metabolism. Seven strains showed high biosorption of As, ranging from 20.1 to 29.8%, which was attributed to functional groups on the bacterial surfaces, such as hydroxyl, amino, and carboxyl groups. Moreover, six of these seven strains were versatile, as they also had roles in reducing As(V) to As(III), which is mainly regulated by the arsC gene. Escherichia coli had the strongest tolerance to As and the highest reducing ability, with a value of 71.04-73.13 µM As/h. This study reveals that gut bacteria play essential roles in As biosorption and biotransformation, and provides a better understanding of which strains are involved, which has implications for the regulation of As toxicity-based gut bacteria and provides basic data for regulating arsenic to human health.
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Affiliation(s)
- Pengfei Wang
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Huili Du
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yaqi Fu
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Xiaolin Cai
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Naiyi Yin
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yanshan Cui
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
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Oftadeh Harsin A, Firozian F, Soleimani M, Mehri F, Ranjbar A. Evaluation of Ascorbic Acid Niosomes as Potential Detoxifiers in Oxidative Stress-induced HEK-293 Cells by Arsenic Trioxide. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2022; 21:e127038. [PMID: 36710993 PMCID: PMC9872552 DOI: 10.5812/ijpr-127038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 01/30/2022] [Accepted: 02/13/2022] [Indexed: 02/01/2023]
Abstract
Background As an environmental contaminant, Arsenic (As) poses many risks to human health. Increased Oxidative Stress (OS) and decreased antioxidant cell defense are the suggested mechanisms of carcinogenicity and toxicity of As. As a powerful antioxidant and water-soluble compound, vitamin C protects cells and tissues against oxidation and has a wide range of healing properties. Objectives The current study aimed to formulate a suitable ascorbic acid (vitamin C) niosome and compare it with vitamin C in preventing As-induced toxicity in HEK-293 cells. Methods Various formulas of vitamin C niosomes were prepared by C-SPAN mixed with cholesterol. The physicochemical characteristics of niosomal formulations, including load size, zeta-potential, and the drug release profile, were evaluated in HEK-293 cells. Then, OS biomarkers such as total reactive oxygen species (ROS), malondialdehyde (MDA), catalase (CAT), Antioxidant Capacity (TAC), and superoxide dismutase (SOD) activities determined the protective effects of vitamin C niosomes compared with vitamin C against As-induced toxicity. Results The particle size and zeta potential of the optimal vitamin C niosome were 163.2 ± 6.1 nm and 23.3 ± 3.5 mV, respectively. Arsenic increased ROS and MDA levels while decreasing CAT, TAC, and SOD activities in the HEK-293 cell line. Finally, the vitamin C niosome decreased OS and increased antioxidant properties more than vitamin C. Significance Vitamin C niosome was more effective than vitamin C in treating As-induced toxicity in vitro.
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Affiliation(s)
- Akram Oftadeh Harsin
- Department of Pharmacology and Toxicology, Nutrition Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Farzin Firozian
- Department of Pharmaceutics, Faculty of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Meysam Soleimani
- Departments of Pharmaceutical Biotechnology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Fereshteh Mehri
- Nutrition Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
- Corresponding Author: Nutrition Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran. Tel: +98-8138380267, Fax: +98-8138380131,
| | - Akram Ranjbar
- Department of Pharmacology and Toxicology, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
- Corresponding Author: Department of Pharmacology and Toxicology, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, P.O. Box: 6517838678, Hamadan, Iran.
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Rahaman MS, Rahman MM, Mise N, Sikder MT, Ichihara G, Uddin MK, Kurasaki M, Ichihara S. Environmental arsenic exposure and its contribution to human diseases, toxicity mechanism and management. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 289:117940. [PMID: 34426183 DOI: 10.1016/j.envpol.2021.117940] [Citation(s) in RCA: 162] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 05/27/2023]
Abstract
Arsenic is a well-recognized environmental contaminant that occurs naturally through geogenic processes in the aquifer. More than 200 million people around the world are potentially exposed to the elevated level of arsenic mostly from Asia and Latin America. Many adverse health effects including skin diseases (i.e., arsenicosis, hyperkeratosis, pigmentation changes), carcinogenesis, and neurological diseases have been reported due to arsenic exposure. In addition, arsenic has recently been shown to contribute to the onset of non-communicable diseases, such as diabetes mellitus and cardiovascular diseases. The mechanisms involved in arsenic-induced diabetes are pancreatic β-cell dysfunction and death, impaired insulin secretion, insulin resistance and reduced cellular glucose transport. Whereas, the most proposed mechanisms of arsenic-induced hypertension are oxidative stress, disruption of nitric oxide signaling, altered vascular response to neurotransmitters and impaired vascular muscle calcium (Ca2+) signaling, damage of renal, and interference with the renin-angiotensin system (RAS). However, the contributions of arsenic exposure to non-communicable diseases are complex and multifaceted, and little information is available about the molecular mechanisms involved in arsenic-induced non-communicable diseases and also no suitable therapeutic target identified yet. Therefore, in the future, more basic research is necessary to identify the appropriate therapeutic target for the treatment and management of arsenic-induced non-communicable diseases. Several reports demonstrated that a daily balanced diet with proper nutrient supplements (vitamins, micronutrients, natural antioxidants) has shown effective to reduce the damages caused by arsenic exposure. Arsenic detoxication through natural compounds or nutraceuticals is considered a cost-effective treatment/management and researchers should focus on these alternative options. This review paper explores the scenarios of arsenic contamination in groundwater with an emphasis on public health concerns. It also demonstrated arsenic sources, biogeochemistry, toxicity mechanisms with therapeutic targets, arsenic exposure-related human diseases, and onsets of cardiovascular diseases as well as feasible management options for arsenic toxicity.
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Affiliation(s)
- Md Shiblur Rahaman
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan; Department of Environmental Science and Disaster Management, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - Md Mostafizur Rahman
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | - Nathan Mise
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan
| | - Md Tajuddin Sikder
- Department of Public Health and Informatics, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | - Gaku Ichihara
- Department of Occupational and Environmental Health, Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, 278-8510, Japan
| | - Md Khabir Uddin
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | - Masaaki Kurasaki
- Faculty of Environmental Earth Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Sahoko Ichihara
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan.
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11
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Wu Y, Zhang H, Wang K, Chen W, Liu Z, Chen L, Wang X, Fu F, Yang G. Metabolic and residual characteristic of different arsenic species contained in laver during mouse digestion. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 793:148434. [PMID: 34171799 DOI: 10.1016/j.scitotenv.2021.148434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/06/2021] [Accepted: 06/09/2021] [Indexed: 06/13/2023]
Abstract
Laver is one of the major arsenic contributors to human diets. The study on metabolic and residual characteristic of each arsenic species contained in laver is important to scientifically assess the intake risk of arsenic in the laver. The metabolic and residual characteristic of main arsenic species in laver, namely arsenate [As(V)], dimethylarsinic acid [DMA(V)] and two arsenosugars, was investigated by mouse experiments in this study. The results showed that the intake of higher-dose laver did not lead to a notable increase of As(V) concentration in mouse muscle/organs and feces. In contrast, DMA(V) excretion in feces and DMA(V) residue in muscle/organs showed a close correlation with laver-dose intake. Most DMAsSugarMethoxy was translated into other arsenic species and then was together excreted out via mouse feces; two dominant arsenic species, arsenosugar DMAsSugarMethoxy and DMAsSugarPhosphate, were not detected in mouse muscle/organs after 20-Day or 30-Day feeding whether in lower-dose laver groups containing 1/36 (mass ratio) of the laver in mouse feed or higher-dose laver groups containing 1/6 (mass ratio) of the laver in mouse feed. About 65-77% of total arsenic digested by mouse was excreted out via feces; only 0.12-0.78% of it was accumulated in mouse organs/muscle. The results of this study provided valuable knowledge for comprehending the stability and metabolic characteristics of different arsenic species from Fujian laver in vivo, also for more scientifically assessing the intake risk of arsenic in laver.
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Affiliation(s)
- YongChen Wu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Key Laboratory for Medicinal Plant Chemistry and Chemical Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Huang Zhang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Key Laboratory for Medicinal Plant Chemistry and Chemical Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - KaiTeng Wang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Key Laboratory for Medicinal Plant Chemistry and Chemical Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Wei Chen
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Key Laboratory for Medicinal Plant Chemistry and Chemical Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - ZhiFeng Liu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Key Laboratory for Medicinal Plant Chemistry and Chemical Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Lian Chen
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - XuSheng Wang
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - FengFu Fu
- Key Laboratory for Analytical Science of Food Safety and Biology of MOE, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - GuiDi Yang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, Key Laboratory for Medicinal Plant Chemistry and Chemical Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China.
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12
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Ren Z, Wu Q, Deng H, Yu Y, Tang W, Deng Y, Zhu L, Wang Y, Deng J. Effects of Selenium on the Immunotoxicity of Subacute Arsenic Poisoning in Chickens. Biol Trace Elem Res 2021; 199:4260-4272. [PMID: 33387274 DOI: 10.1007/s12011-020-02558-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/20/2020] [Indexed: 12/26/2022]
Abstract
This study aimed to determine the effects of selenium on the immune toxicity of subacute arsenic poisoning in chickens. Two hundred 8-day-old broilers were randomly divided into 5 groups: the control group (0.1 mg/kg As + 0.2 mg/kg Se), the As group (3 mg/kg As + 0.2 mg/kg Se), As + Se group I (3 mg/kg As + 5 mg/kg Se), As + Se group II (3 mg/kg As + 10 mg/kg Se), and As + Se group III (3 mg/kg As + 15 mg/kg Se). The conclusions were drawn based on the following measurements: 3.0 mg/kg added to feed led to a decrease in the growth performance of the broilers, reduced the level and conversion rate of ANAE, reduced the blood protein content of the broilers but had no effect on the albumin/globulin ratio, and had an inhibitory effect on erythrocyte immunity. Selenium-added of 5 and 10 mg/kg in daily feed leads to increased growth performance, increases the positive rate and conversion rate of ANAE, increases the hemoglobin content of broilers, and promotes erythrocyte immunity, which indicates that the selenium-added reduces the toxic effects of arsenic; 3.0 mg/kg arsenic with 15 mg/kg selenium had the most severe toxic effects. Fifteen milligrams per kilogram of selenium added in daily feed increases the toxicity of arsenic to broilers. The dose of 10 mg/kg selenium showed the best inhibitory effect on subacute arsenic poisoning in the broilers.
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Affiliation(s)
- Zhihua Ren
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China
| | - Qiang Wu
- Leshan City, Shizhong District of Animal Husbandry Bureau, Leshan, 614000, China
| | - Huidan Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China
| | - Yueru Yu
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China
| | - Wenjiao Tang
- Leshan City, Shizhong District of Animal Husbandry Bureau, Leshan, 614000, China
| | - Youtian Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China
| | - Ling Zhu
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China
| | - Ya Wang
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China
| | - Junliang Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Ya'an, 625014, China.
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Yu J, Liu S, Chen L, Wu B. Combined effects of arsenic and palmitic acid on oxidative stress and lipid metabolism disorder in human hepatoma HepG2 cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 769:144849. [PMID: 33736254 DOI: 10.1016/j.scitotenv.2020.144849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/17/2020] [Accepted: 12/24/2020] [Indexed: 06/12/2023]
Abstract
The toxicity of arsenic (As) can be influenced by many nutrients in food. However, the combined effects and underlying mechanisms of As and palmitic acid (PA) are still unclear. Here, cell viability, oxidative stress, lipids accumulation, gene expression profiles, and metabolome profiles of human hepatoma HepG2 cells exposed to As, PA, and As + PA were analyzed and compared. Results showed that co-exposure of 100 μM PA and 2 μM As induced lower cell viability, higher intracellular reactive oxygen species level, more lipid droplet accumulation, and more intracellular triglyceride contents than As alone or PA alone exposure. High-throughput quantitative PCR and 1H NMR-based metabolomics analysis showed that co-exposure of As and PA caused all toxic effects on gene expression and metabolome profiles induced by As alone or PA alone exposure, and showed higher toxicities. Gene expression profiles in the As + PA group had higher similarity with those in the As group than the PA group. However, PA played a more important role in metabolism disorder than As in their interactive effects. Oxidative stress and lipid metabolism disorder were found to be the main toxic effects in the As + PA group. Several differentially expressed genes (such as OXR1, OXSR1, INSR, and PPARA) and changed metabolites (such as pyruvate, acetate, and L-phenylalanine) were involved in the combined toxicity of As and PA. This study provides basic information on the interactive effects of As and PA, which is useful for the health risk assessment of As and FFA.
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Affiliation(s)
- Jing Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Su Liu
- Department of Environmental Science, School of Engineering, China Pharmaceutical University, Nanjing 211198, PR China
| | - Ling Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Bing Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
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14
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Juang KW, Chu LJ, Syu CH, Chen BC. Assessing human health risk of arsenic for rice consumption by an iron plaque based partition ratio model. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 763:142973. [PMID: 33498118 DOI: 10.1016/j.scitotenv.2020.142973] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 06/12/2023]
Abstract
A field experiment was conducted to study the transport and uptake of arsenic (As) from soil to rice roots and the subsequent translocation from roots to shoots and grains. Twelve rice cultivars were used in the field experiment. The amount of As accumulated in rice grains and sequestered by root iron plaque and rhizosphere soil, were determined to establish the relationship between As concentrations in brown rice and As sequestration by iron oxides. Human health risk was then assessed for Taiwan's population exposed to As through rice consumption. The result of this study showed that the mean total As concentrations in the experimental site and in brown rice were 93.02 mg/kg and 0.158 mg/kg, respectively. The As sequestration by iron oxides on root plaque (3.48-9.51) was higher than that of the rhizosphere soil (1.86-4.09) for all tested rice cultivars. Therefore, the partition ratio (PR) representing the relative tendency of As sequestration by rhizosphere soil to that in root iron plaque was all less than 1. In addition, there was a significant negative linear relationship between inorganic As concentration (iAs) in brown rice and PR value (r2 = 0.38, p < 0.05). Based on the iAs in brown rice, the median value of hazard quotient (HQ) and target cancer risk (TR) was 1.13 and 5.10 × 10-4, respectively, indicating potential cancer and non-cancer risk for Taiwan residents exposed to As through the consumption of rice grown on the studied site. Various PR values were then successfully used for estimating risk, implying that screening the PR of the rice plant before harvest could serve as an early warning signal for protecting consumers' health. However, more experiments with different rice cultivars for the paddy soils were suggested in the future to establish a comprehensive relationship between iAs in brown rice and PR value.
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Affiliation(s)
- Kai-Wei Juang
- Department of Agronomy, National Chiayi University, Chiayi, Taiwan
| | - Li-Jia Chu
- Department of Agronomy, National Chiayi University, Chiayi, Taiwan; Department of Natural Biotechnology, Nanhua University, Chiayi, Taiwan
| | - Chien-Hui Syu
- Agricultural Chemistry Division, Taiwan Agricultural Research Institute, Taiwan
| | - Bo-Ching Chen
- Department of Natural Biotechnology, Nanhua University, Chiayi, Taiwan.
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15
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Pisoschi AM, Pop A, Iordache F, Stanca L, Predoi G, Serban AI. Oxidative stress mitigation by antioxidants - An overview on their chemistry and influences on health status. Eur J Med Chem 2020; 209:112891. [PMID: 33032084 DOI: 10.1016/j.ejmech.2020.112891] [Citation(s) in RCA: 240] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/30/2020] [Accepted: 09/24/2020] [Indexed: 12/11/2022]
Abstract
The present review paper focuses on the chemistry of oxidative stress mitigation by antioxidants. Oxidative stress is understood as a lack of balance between the pro-oxidant and the antioxidant species. Reactive oxygen species in limited amounts are necessary for cell homeostasis and redox signaling. Excessive reactive oxygenated/nitrogenated species production, which counteracts the organism's defense systems, is known as oxidative stress. Sustained attack of endogenous and exogenous ROS results in conformational and oxidative alterations in key biomolecules. Chronic oxidative stress is associated with oxidative modifications occurring in key biomolecules: lipid peroxidation, protein carbonylation, carbonyl (aldehyde/ketone) adduct formation, nitration, sulfoxidation, DNA impairment such strand breaks or nucleobase oxidation. Oxidative stress is tightly linked to the development of cancer, diabetes, neurodegeneration, cardiovascular diseases, rheumatoid arthritis, kidney disease, eye disease. The deleterious action of reactive oxygenated species and their role in the onset and progression of pathologies are discussed. The results of oxidative attack become themselves sources of oxidative stress, becoming part of a vicious cycle that amplifies oxidative impairment. The term antioxidant refers to a compound that is able to impede or retard oxidation, acting at a lower concentration compared to that of the protected substrate. Antioxidant intervention against the radicalic lipid peroxidation can involve different mechanisms. Chain breaking antioxidants are called primary antioxidants, acting by scavenging radical species, converting them into more stable radicals or non-radical species. Secondary antioxidants quench singlet oxygen, decompose peroxides, chelate prooxidative metal ions, inhibit oxidative enzymes. Moreover, four reactivity-based lines of defense have been identified: preventative antioxidants, radical scavengers, repair antioxidants, and those relying on adaptation mechanisms. The specific mechanism of a series of endogenous and exogenous antioxidants in particular aspects of oxidative stress, is detailed. The final section resumes critical conclusions regarding antioxidant supplementation.
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Affiliation(s)
- Aurelia Magdalena Pisoschi
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, 105 Splaiul Independentei, 050097, Bucharest, Romania.
| | - Aneta Pop
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, 105 Splaiul Independentei, 050097, Bucharest, Romania
| | - Florin Iordache
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, 105 Splaiul Independentei, 050097, Bucharest, Romania
| | - Loredana Stanca
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, 105 Splaiul Independentei, 050097, Bucharest, Romania
| | - Gabriel Predoi
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, 105 Splaiul Independentei, 050097, Bucharest, Romania
| | - Andreea Iren Serban
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, Faculty of Veterinary Medicine, 105 Splaiul Independentei, 050097, Bucharest, Romania
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16
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Zwolak I. The Role of Selenium in Arsenic and Cadmium Toxicity: an Updated Review of Scientific Literature. Biol Trace Elem Res 2020; 193:44-63. [PMID: 30877523 PMCID: PMC6914719 DOI: 10.1007/s12011-019-01691-w] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/28/2019] [Indexed: 02/01/2023]
Abstract
Arsenic (As) and cadmium (Cd) are elements arousing major public health concerns associated with environmental pollution, high toxicity potential, and carcinogenic nature. However, selenium (Se) at low doses and incorporated into enzymes and proteins has antioxidant properties and protects animals and humans from the risk of various diseases. It also has an exceptionally narrow range between necessary and toxic concentrations, which is a well-known hindrance in its use as a dietary supplement. The present article aims to update and expand the role of Se in As and Cd toxicity discussed in our earlier paper. In general, recent reports show that Se, regardless of its form (as selenite, selenomethionine, nanoSe, or Se from lentils), can reduce As- or Cd-mediated toxicity in the liver, kidney, spleen, brain, or heart in animal models and in cell culture studies. As was suggested in our earlier review, Se antagonizes the toxicity of As and Cd mainly through sequestration of these elements into biologically inert complexes and/or through the action of Se-dependent antioxidant enzymes. An increase in the As methylation efficiency is proposed as a possible mechanism by which Se can reduce As toxicity. However, new studies indicate that Se may also diminish As or Cd toxicity by activation of the Nrf2 pathway. In addition, this paper discusses possible signs of Se toxic effects, which may be a challenge for its future use in the therapy of As and Cd poisoning and provide future directions to address this issue.
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Affiliation(s)
- Iwona Zwolak
- Laboratory of Oxidative Stress, Centre for Interdisciplinary Research, The John Paul II Catholic University of Lublin, Konstantynów 1 J, 20-708, Lublin, Poland.
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17
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Chemistry, metabolism and pharmacology of carcinogenic alkaloids present in areca nut and factors affecting their concentration. Regul Toxicol Pharmacol 2019; 110:104548. [PMID: 31805361 DOI: 10.1016/j.yrtph.2019.104548] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 11/27/2019] [Accepted: 12/01/2019] [Indexed: 12/28/2022]
Abstract
Areca Nut (AN), the seed of tropical palm tree Areca catechu, is a widely chewed natural product with estimated 600 million users across the world. Various AN products, thriving in the market, portray 'Areca nut' or 'Supari' as mouth freshener and safe alternative to smokeless tobacco. Unfortunately, AN is identified as a Group 1 human carcinogen by International Agency for Research on Cancer (IARC). Wide variation in the level of alkaloids, broadly ranging from 2 to 10 mg/gm dry weight, is observed in diverse variety of AN sold worldwide. For the first time, various factors influencing the formation of carcinogenic alkaloids in AN at various stages, including during the growth, processing, and storage of the nut, are discussed. Current review illustrates the mechanism of cancer induction by areca alkaloids in humans and also compiles dose-dependent pharmacology and toxicology data of arecoline, the most potent carcinogenic alkaloid in AN. Careful monitoring of the arecoline content in AN can potentially be used as a tool in product surveillance studies to identify the variations in characteristics of various AN sample sold worldwide. The article will help to generate public awareness and sensitize the government bodies to initiate campaigns against AN use and addiction.
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18
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Joshi DC, Zhang K, Wang C, Chandora R, Khurshid M, Li J, He M, Georgiev MI, Zhou M. Strategic enhancement of genetic gain for nutraceutical development in buckwheat: A genomics-driven perspective. Biotechnol Adv 2019; 39:107479. [PMID: 31707074 DOI: 10.1016/j.biotechadv.2019.107479] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 10/15/2019] [Accepted: 11/06/2019] [Indexed: 12/19/2022]
Abstract
Buckwheat (Fagopyrum spp.) under the family Polygonaceae is an ancient pseudocereal with stupendous but less studied nutraceutical properties. The gluten free nature of protein, balanced amino acid profile and health promoting bioactive flavonoids make it a golden crop of future. Besides a scanty basic research, not much attention has been paid to the improvement of plant type and breeding of nutraceutical traits. Scanning of scientific literature indicates that adequate genetic variation exists for agronomic and nutritional traits in mainstream and wild gene pool of buckwheat. However, the currently employed conventional approaches together with poorly understood genetic mechanisms restrict effective utilization of the existing genetic variation in nutraceutical breeding of buckwheat. The latest trends in buckwheat genomics, particularly avalilabity of draft genome sequences for both the cultivated species (F. esculentum and F.tataricum) hold immense potential to overcome these limitations. Utilizing the transgenic hairy rot cultures, role of various transcription factors and gene families have been deduced in production and biosynthesis of bioactive flavonoids. Further, the acquisition of high-density genomics data coupled with the next-generation phenotyping will certainly improve our understanding of underlying genetic regulation of nutraceutical traits. The present paper highlights the application of multilayered omics interventions for tailoring a nutrient rich buckwheat cultivar and nutraceutical product development.
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Affiliation(s)
- Dinesh C Joshi
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China; Indian Council of Agricultural Research-Vivekananda Institute of Hill Agriculture, Almora, Uttarakhand, India
| | - Kaixuan Zhang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Chenglong Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Rahul Chandora
- Indian Council of Agricultural Research-National Bureau of Plant Genetic Resources, Regional Station, Shimla, HP, India
| | - Muhammad Khurshid
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China; Institute of Biochemistry and Biotechnology, University of the Punjab, Lahore, Pakistan
| | - Jinbo Li
- Luoyang Normal University, Luoyang, China
| | - Ming He
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Milen I Georgiev
- Group of Plant Cell Biotechnology and Metabolomics, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 139 Ruski Blvd, 4000 Plovdiv, Bulgaria; Center of Plant Systems Biology and Biotechnology, Plovdiv, Bulgaria
| | - Meiliang Zhou
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.
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19
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Tu P, Xue J, Bian X, Chi L, Gao B, Leng J, Ru H, Knobloch TJ, Weghorst CM, Lu K. Dietary administration of black raspberries modulates arsenic biotransformation and reduces urinary 8-oxo-2′-deoxyguanosine in mice. Toxicol Appl Pharmacol 2019; 377:114633. [DOI: 10.1016/j.taap.2019.114633] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/29/2019] [Accepted: 06/17/2019] [Indexed: 02/06/2023]
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20
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Wen Y, Huang S, Zhang Y, Zhang H, Zhou L, Li D, Xie C, Lv Z, Guo Y, Ke Y, Wu T, Cheng J. Associations of multiple plasma metals with the risk of ischemic stroke: A case-control study. ENVIRONMENT INTERNATIONAL 2019; 125:125-134. [PMID: 30716572 DOI: 10.1016/j.envint.2018.12.037] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 12/17/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Ischemic stroke (IS) is a major cause of morbidity and mortality globally. Environmental exposure to metals may be linked to the risk of IS, but the association remains uncertain in Chinese populations. OBJECTIVES The present study aimed to examine the associations between the concentrations of 11 metals (aluminum, arsenic, cadmium, cobalt, copper, iron, manganese, molybdenum, selenium, thallium, and zinc) in plasma and the risk of IS in a Chinese population. METHODS A total of 1277 pairs of newly diagnosed IS patients and controls matched on age (±3 years) and sex were recruited in our study. Plasma metal concentrations were measured using inductively coupled plasma mass spectrometry. Multivariable conditional logistic regression models were conducted to investigate the impacts of single and multiple metals, respectively. RESULTS In the single-metal model, exposure to seven metals (aluminum, arsenic, cadmium, cobalt, iron, manganese and selenium) was individually associated with the risk of IS based on the trend test. Further stepwise regression analyses with the multiple-metal model revealed increasing trends in the risk of IS associated with aluminum, arsenic, and cadmium quartiles and decreasing trends with iron and selenium quartiles (p-trend < 0.01). Compared to the lowest quartiles, the odds ratios (95% confidence intervals) for the highest quartiles of these five metals were 4.23 (2.63, 6.79), 1.88 (1.25, 2.81), 5.02 (3.30, 7.63), 0.59 (0.40, 0.89), and 0.10 (0.06, 0.17), respectively. CONCLUSIONS Our study suggested that higher plasma concentrations of aluminum, arsenic, and cadmium, and lower concentrations of iron and selenium may increase the risk of IS. Further prospective studies in larger populations are warranted to confirm our findings.
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Affiliation(s)
- Ying Wen
- Department of Molecular Epidemiology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China; Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Suli Huang
- Department of Molecular Epidemiology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Yanwei Zhang
- Department of Immunization Planning and Management, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Huimin Zhang
- Laboratory of Physical Testing and Chemical Analysis, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Li Zhou
- Department of School Health, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Di Li
- Department of School Health, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Changhui Xie
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Ziquan Lv
- Department of Molecular Epidemiology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Yinsheng Guo
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Yuebin Ke
- Department of Molecular Epidemiology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Tangchun Wu
- Department of Occupational and Environmental Health, Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Jinquan Cheng
- Department of Molecular Epidemiology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China.
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Zhang X, Xu X, Zhong Y, Power MC, Taylor BD, Carrillo G. Serum folate levels and urinary arsenic methylation profiles in the US population: NHANES, 2003-2012. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2019; 29:323-334. [PMID: 29483566 DOI: 10.1038/s41370-018-0021-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 08/11/2017] [Accepted: 10/22/2017] [Indexed: 06/08/2023]
Abstract
Arsenic is a prevalent environmental contaminant, and its folate-dependent methylation is important for detoxification in the body. In this study, we investigated the association between serum folate levels and methylation using data from the US National Health and Nutrition Examination Survey (NHANES) (2003-2012) (N = 11,016). Multivariate linear regression and penalized spline regression models were used to examine the association and possible upper limit of folate level regarding its impact on methylation in children (≤18 years) and adults (>18 years), respectively. Serum folate levels, methylation metabolites including urinary monomethylarsonic acid (MMA(V)) and dimethylarsinic acid (DMA(V)), and demographic variables were extracted from NHANES. Results showed that urinary percentage of DMA(V) (%DMA(V)) was positively associated with log(serum folate levels) after adjustment in children (β = 1.93, p < 0.01); urinary percentage of MMA(V) (%MMA(V)) was positively associated with log (serum folate levels) after adjustment in adults (β = 0.40, p < 0.01). No upper limit of folate level regarding its impact on arsenic methylation was identified. More than 50% of Non-Hispanic black and smokers with high total urinary arsenic levels had low serum folate levels. Our results indicate that folate promotes arsenic methylation, but the patterns are different in children versus in adults. Future interventions may be needed for the population exposed to high level of arsenic but with low serum folate to protect against the potential adverse health effects of arsenic.
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Affiliation(s)
- Xiao Zhang
- Department of Epidemiology and Biostatistics, Texas A&M University School of Public health, College Station, TX, USA
| | - Xiaohui Xu
- Department of Epidemiology and Biostatistics, Texas A&M University School of Public health, College Station, TX, USA.
| | - Yan Zhong
- Department of Statistics, Texas A&M University, College Station, TX, USA
| | - Melinda C Power
- Department of Epidemiology and Biostatistics, George Washington University Milken Institute School of Public Health, Washington, DC, USA
| | - Brandie D Taylor
- Department of Epidemiology and Biostatistics, Texas A&M University School of Public health, College Station, TX, USA
| | - Genny Carrillo
- Department of Environmental and Occupational Health, Texas A&M University School of Public health, College Station, TX, USA
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22
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Memory effect of arsenic-induced cellular response and its influences on toxicity of titanium dioxide nanoparticle. Sci Rep 2019; 9:107. [PMID: 30643164 PMCID: PMC6331635 DOI: 10.1038/s41598-018-36455-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 11/21/2018] [Indexed: 02/06/2023] Open
Abstract
Toxicity of arsenic (As) has been widely characterized. However, few studies focus on whether cell responses induced by As at nontoxic concentration could be inherited and further change cell tolerance to another pollutant. In this study, human A549 and HeLa cells were exposed to As at nontoxic concentrations for 10 or 15 passages, then the cells were recovered in the cell medium without As. At 25th passage, residual As in both type of cells was completely removed through the recovery process. And no abnormity in cell viability was identified in both type of cells between control and As-treated groups. Above results indicated that As exposure-recovery treatment had limited influence on phenotype of the cells. However, gene expression profiles determined by high-throughput sequencing showed that As exposure-recovery treatment induced similar expression modification of genes related to inflammation, oxidative stress and epigenetic modulation in the A549 and HeLa cells after recovery of 10 or 15 passages, indicating that As-induced cellular responses have been partially memorized at transcriptional level. The memory effect might play key roles in increased tolerance of the A549 and HeLa cells to adverse effects (cell viability, intracellular reactive oxygen species (ROS) generation and plasma membrane damage) induced by titanium dioxide nanoparticles (as representative pollutant). This study shed new lights on toxic effects induced by As at nontoxic concentration, which is useful for risk assessment of combined effects of As and other pollutants.
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23
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Barai M, Ahsan N, Paul N, Hossain K, Abdur Rashid M, Kato M, Ohgami N, Azim Akhand A. Amelioration of arsenic-induced toxic effects in mice by dietary supplementation of Syzygium cumini leaf extract. NAGOYA JOURNAL OF MEDICAL SCIENCE 2018. [PMID: 28626252 PMCID: PMC5472542 DOI: 10.18999/nagjms.79.2.167] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Arsenic created a serious public health problem in Bangladesh due to its presence in groundwater and dissemination of the toxic effects to millions of people. The scarcity of the treatment options to manage this affected population has made the situation much worse. To find a promising treatment option, this study was undertaken to examine the ameliorating roles of Syzygium cumini leaf extract (SLE) against arsenic-induced toxic effects in mice. Swiss albino mice were divided into four groups where ‘control’ group received pure water + normal feed, ‘arsenic (As)’ group received sodium arsenite (NaAsO2)-containing water (10 μg/g body weight/day) + normal feed, ‘As+SLE’ group received NaAsO2-containing water + feed supplemented with SLE (50 µg/g body weight/day) and finally the ‘SLE’ group received pure water + feed supplemented with SLE. A gradual increase in body weight gain was observed in control mice; however, the body weight gain in As-exposed mice was decreased. This decrease in body weight gain was prevented in As+SLE group mice that received SLE supplemented feed. Arsenic showed a secondary effect by causing enlargement of spleen, kidney and liver of ‘As’ group mice and this enlargement of the organs was minimized with SLE supplementation. In addition, SLE abrogated arsenic-mediated elevation of serum alkaline phosphatase (ALP), alanine aminotransferase (ALT), lactate dehydrogenase (LDH), uric acid and glucose. These results, therefore, suggest that SLE might have future therapeutic value for preventing or reducing arsenic-induced toxic effects.
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Affiliation(s)
- Milan Barai
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka-1000, Bangladesh
| | - Nazmul Ahsan
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka-1000, Bangladesh
| | - Nilanjana Paul
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka-1000, Bangladesh
| | - Khaled Hossain
- Department of Biochemistry and Molecular Biology, Rajshahi University, Rajshahi-6205, Bangladesh
| | | | - Masashi Kato
- Department of Occupational and Environmental Health, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nobutaka Ohgami
- Department of Occupational and Environmental Health, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Anwarul Azim Akhand
- Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka-1000, Bangladesh
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Wang P, Yin N, Cai X, Du H, Li Z, Sun G, Cui Y. Nutritional status affects the bioaccessibility and speciation of arsenic from soils in a simulator of the human intestinal microbial ecosystem. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 644:815-821. [PMID: 29990930 DOI: 10.1016/j.scitotenv.2018.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 06/29/2018] [Accepted: 07/01/2018] [Indexed: 06/08/2023]
Abstract
Arsenic (As) is a highly toxic contaminant in food and soil. In this study, we investigated the effects of four nutritional states (including a fed state with vitamin C, a fed state with protein powder, a fed state with glucose and a fasted state) on the variability of soil As bioaccessibility and biotransformation using the physiologically based extraction test (PBET) combined with a simulator of the human intestinal microbial ecosystem model (SHIME). The results indicated that the vitamin C and protein powder increased As bioaccessibility in gastric digests. In the colon phase, As bioaccessibility was observably enhanced by protein powder, and it varied under the vitamin C and glucose conditions. Additionally, the order of As methylation percentages in the four nutritional states was protein powder > vitamin C > fasted state > glucose (except S2); As bioaccessibility increased 1.3-13.7% and 15.8-35.4% in treatments of the vitamin C and protein powder, respectively. Meanwhile, large amounts of monomethylarsonic acid (MMAV) were observed in the colon digest in the protein powder condition. In contrast, As methylation was significantly decreased with the addition of glucose, with a decline of 25.9-45.5%. Additionally, glucose enhanced the reduction of As(V). Therefore, nutritional status is a crucial parameter for the prediction of bioaccessibility and speciation of As when assessing health risks from As following oral exposure.
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Affiliation(s)
- Pengfei Wang
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Naiyi Yin
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Xiaolin Cai
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Huili Du
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Zejiao Li
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Guoxin Sun
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yanshan Cui
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
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25
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Zhuang P, Sun S, Su F, Li F, Zhou X, Mao P, Li Y, Li Z, Zhang C. Dietary strategies to reduce the oral bioaccessibility of cadmium and arsenic in rice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:33353-33360. [PMID: 30259324 DOI: 10.1007/s11356-018-3237-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 09/13/2018] [Indexed: 06/08/2023]
Abstract
The study aims to seek the dietary strategies to reduce the bioaccessibility of Cd and As in contaminated rice. A total of 12 selected food matrices were assayed by using the in vitro gastrointestinal digestion models. The results showed that tomato, carrot, water spinach, and spinach reduced the solubility of Cd by 45-78%, 50-71%, 53-70%, and 45-71%, respectively. Meanwhile, tomato, carrot, potato, and sweet potato reduced the solubility of As by 53-79%, 50-80%, 40-71%, and 36-76% in aqueous solution, respectively. In both gastric and gastrointestinal phases, Cd and As bioaccessibility decreased as the amount (100, 200, or 400 mg) of food matrices increased (except for As in water spinach). These results suggested that the uses of some foodstuffs may be a good dietary strategy to reduce Cd and As bioaccessibility, although in vivo studies are required to confirm their suitability.
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Affiliation(s)
- Ping Zhuang
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China.
| | - Shuo Sun
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Feng Su
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Feng Li
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Xiaofang Zhou
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Peng Mao
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Yingwen Li
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
| | - Zhian Li
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China.
| | - Chaosheng Zhang
- GIS Centre, Ryan Institute and School of Geography and Archaeology, National University of Ireland, Galway, Ireland
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26
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Gut microbiome disruption altered the biotransformation and liver toxicity of arsenic in mice. Arch Toxicol 2018; 93:25-35. [PMID: 30357543 DOI: 10.1007/s00204-018-2332-7] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 10/10/2018] [Indexed: 12/14/2022]
Abstract
The mammalian gut microbiome (GM) plays a critical role in xenobiotic biotransformation and can profoundly affect the toxic effects of xenobiotics. Previous in vitro studies have demonstrated that gut bacteria have the capability to metabolize arsenic (As); however, the specific roles of the gut microbiota in As metabolism in vivo and the toxic effects of As are largely unknown. Here, we administered sodium arsenite to conventionally raised mice (with normal microbiomes) and GM-disrupted mice with antibiotics to investigate the role of the gut microbiota in As biotransformation and its toxicity. We found that the urinary total As levels of GM-disrupted mice were much higher, but the fecal total As levels were lower, than the levels in the conventionally raised mice. In vitro experiments, in which the GM was incubated with As, also demonstrated that the gut bacteria could adsorb or take up As and thus reduce the free As levels in the culture medium. With the disruption of the gut microbiota, arsenic biotransformation was significantly perturbed. Of note, the urinary monomethylarsonic acid/dimethylarsinic acid ratio, a biomarker of arsenic metabolism and toxicity, was markedly increased. Meanwhile, the expression of genes of one-carbon metabolism, including folr2, bhmt, and mthfr, was downregulated, and the liver S-adenosylmethionine (SAM) levels were significantly decreased in the As-treated GM-disrupted mice only. Moreover, As exposure altered the expression of genes of the p53 signaling pathway, and the expression of multiple genes associated with hepatocellular carcinoma (HCC) was also changed in the As-treated GM-disrupted mice only. Collectively, disruption of the GM enhances the effect of As on one-carbon metabolism, which could in turn affect As biotransformation. GM disruption also increases the toxic effects of As and may increase the risk of As-induced HCC in mice.
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Jiang CB, Hsueh YM, Kuo GL, Hsu CH, Chang JH, Chien LC. Preliminary study of urinary arsenic concentration and arsenic methylation capacity effects on neurodevelopment in very low birth weight preterm children under 24 months of corrected age. Medicine (Baltimore) 2018; 97:e12800. [PMID: 30412069 PMCID: PMC6221732 DOI: 10.1097/md.0000000000012800] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The neurological prognoses of very low birth weight preterm (VLBWP) children during the first 2 years of life will influence their neurodevelopment during subsequent childhood years and adolescence. The objective of this study was to systemic investigate relationships of urinary arsenic (As) concentrations, the As methylation capability, and toenail As concentrations on cognitive, language, and motor development in VLBWP children under 24 months of corrected age.Participants (n = 60) in our study were recruited from October 2010 to April 2013. Urine and toenail samples were collected for evaluation to assess As exposure. The Bayley scales of infant development III were used to evaluate neurodevelopment at 2 years of corrected age. Concentrations of As species in urine and the As concentration in toenails were, respectively, analyzed using HPLC-HG-AAS and ICP-MS.The mean concentration of total As was 28.6 μg/g creatinine, and inorganic As was 1.01 μg/L in urine. The urine contained an average of 3% inorganic As, 2% monomethylarsonic acid, and 95% dimethylarsinic acid (DMA). The mean concentration of As in toenails was 225 ng/g. Children with a longer gestational age (≥28 weeks) and higher DMA % levels appeared to have the highest unadjusted cognitive and fine motor scores.Our study results suggest that gestational age is associated with neurodevelopment in VLBWP children. We recommend that further study simultaneously analyze multiple environmental contaminants that may have adverse effects on neurodevelopment, use biomarkers for the mother-child pair, and determine whether prenatal or postnatal As exposure has a greater influence on the neurological development of VLBWP children.
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Affiliation(s)
- Chuen-Bin Jiang
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, MacKay Children's Hospital
- Mackay Junior College of Medicine, Nursing and Management, Taipei
| | - Yu-Mei Hsueh
- Department of Family Medicine, Shuang Ho Hospital
- Department of Public Health, School of Medicine, College of Medicine
| | - Guang-Lin Kuo
- School of Public Health, College of Public Health, Taipei Medical University
| | - Chyong-Hsin Hsu
- Division of Neonatology, Department of Pediatrics, MacKay Children's Hospital, Taipei
| | - Jui-Hsing Chang
- Mackay Junior College of Medicine, Nursing and Management, Taipei
- Division of Neonatology, Department of Pediatrics, MacKay Children's Hospital, Taipei
- MacKay Medical College, New Taipei City
| | - Ling-Chu Chien
- School of Public Health, College of Public Health, Taipei Medical University
- Nutrition Research Center, Taipei Medical University Hospital, Taipei, Taiwan
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28
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Bjørklund G, Aaseth J, Chirumbolo S, Urbina MA, Uddin R. Effects of arsenic toxicity beyond epigenetic modifications. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:955-965. [PMID: 28484874 DOI: 10.1007/s10653-017-9967-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 04/21/2017] [Indexed: 05/24/2023]
Abstract
Worldwide chronic arsenic (As) poisoning by arsenic-contaminated groundwater is one of the most threatening public health problems. Chronic inorganic As (inAs) exposure has been associated with various forms of cancers and numerous other pathological effects in humans, collectively known as arsenicosis. Over the past decade, evidence indicated that As-induced epigenetic modifications have a role in the adverse effects on human health. The main objective of this article is to review the evidence on epigenetic modifications induced by arsenicals. The epigenetic components play a crucial role in the regulation of gene expression, at both transcriptional and posttranscriptional levels. We synthesized the large body of existing research on arsenic exposure and epigenetic mechanisms of health outcomes with an emphasis on recent publications. Changes in patterns of DNA methylation, histone posttranslational modifications, and microRNAs have been repeatedly observed after inAs exposure in laboratory studies and in studies of human populations. Such alterations have the potential to disturb cellular homeostasis, resulting in the modulation of key pathways in the As-induced carcinogenesis. The present article reviews recent data on As-induced epigenetic effects and concludes that it is time for heightened awareness of pathogenic arsenic exposure, particularly for pregnant women and children, given the potential for a long-lasting disturbed cellular homeostasis.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Toften 24, 8610, Mo i Rana, Norway.
| | - Jan Aaseth
- Innlandet Hospital Trust and Inland Norway University of Applied Sciences, Elverum, Norway
| | - Salvatore Chirumbolo
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy
| | - Mauricio A Urbina
- Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla 160-C, Concepción, Chile
| | - Riaz Uddin
- Department of Pharmacy, Stamford University Bangladesh, Dhaka, Bangladesh
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29
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Chi L, Gao B, Tu P, Liu CW, Xue J, Lai Y, Ru H, Lu K. Individual susceptibility to arsenic-induced diseases: the role of host genetics, nutritional status, and the gut microbiome. Mamm Genome 2018; 29:63-79. [PMID: 29429126 DOI: 10.1007/s00335-018-9736-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 01/17/2018] [Indexed: 01/16/2023]
Abstract
Arsenic (As) contamination in water or food is a global issue affecting hundreds of millions of people. Although As is classified as a group 1 carcinogen and is associated with multiple diseases, the individual susceptibility to As-related diseases is highly variable, such that a proportion of people exposed to As have higher risks of developing related disorders. Many factors have been found to be associated with As susceptibility. One of the main sources of the variability found in As susceptibility is the variation in the host genome, namely, polymorphisms of many genes involved in As transportation, biotransformation, oxidative stress response, and DNA repair affect the susceptibility of an individual to As toxicity and then influence the disease outcomes. In addition, lifestyles and many nutritional factors, such as folate, vitamin C, and fruit, have been found to be associated with individual susceptibility to As-related diseases. Recently, the interactions between As exposure and the gut microbiome have been of particular concern. As exposure has been shown to perturb gut microbiome composition, and the gut microbiota has been shown to also influence As metabolism, which raises the question of whether the highly diverse gut microbiota contributes to As susceptibility. Here, we review the literature and summarize the factors, such as host genetics and nutritional status, that influence As susceptibility, and we also present potential mechanisms of how the gut microbiome may influence As metabolism and its toxic effects on the host to induce variations in As susceptibility. Challenges and future directions are also discussed to emphasize the importance of characterizing the specific role of these factors in interindividual susceptibility to As-related diseases.
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Affiliation(s)
- Liang Chi
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Bei Gao
- NIH West Coast Metabolomics Center, University of California, Davis, CA, 95616, USA
| | - Pengcheng Tu
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Chih-Wei Liu
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Jingchuan Xue
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Yunjia Lai
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Hongyu Ru
- Department of Population Health and Pathobiology, North Carolina State University, Raleigh, NC, 27607, USA
| | - Kun Lu
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
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30
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Sharma A, Flora SJS. Nutritional management can assist a significant role in alleviation of arsenicosis. J Trace Elem Med Biol 2018; 45:11-20. [PMID: 29173466 DOI: 10.1016/j.jtemb.2017.09.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/01/2017] [Accepted: 09/13/2017] [Indexed: 01/24/2023]
Abstract
Consumption of arsenic contaminated water causes serious skin disease and cancer in a significant number of exposed people. Chelating agents, consider an expensive therapy, are employed in the treatment of arsenic intoxication. There are reports which suggest that the poorest suffer the most from arsenicosis. This may be due to improper diet intake, consist of low protein and micronutrients which increase the vulnerability to arsenic-related disorders. Several human studies demonstrated the associations between malnourishment and the development of arsenic-caused skin lesions, skin cancer and cardiovascular effects. Thus, there is an urgent need of implementation of mitigation strategies for improving the health of exposed populations. Nutrition enhances the detoxification process so food rich in vitamins, protein, antioxidants help in its detoxification process. Methylation is the detoxification process which takes place via S-adenosylmethionine (SAM). It is a methyl group donor and it derived its methyl group from diet. Nutritional intervention thus may appear as a practical and inexpensive approach. Nutrition provides protection from toxic effect of arsenic by two ways (i) methylation of As (ii) antioxidants which provides protection against free radical species. The governments and NGOs may run awareness programmes in arsenic affected area regarding prevention and alternate therapy which can decrease the susceptibility of the exposed population. They could also help in distributing cheaper, high protein diets particularly to the masses who cannot afford such foods. Thus, to prevent arsenicosis alternate therapy and proper nutrition could be the important strategy for alleviating its toxic effects. This mini review provides an insight on the importance of nutrition in preventing adverse effect cause by arsenic to suffer population.
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Affiliation(s)
- Abha Sharma
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - S J S Flora
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India.
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Iron and Zinc Supplementation Does Not Impact Urinary Arsenic Excretion in Mexican School Children. J Pediatr 2017; 185:205-210.e1. [PMID: 28343659 DOI: 10.1016/j.jpeds.2017.02.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 01/03/2017] [Accepted: 02/15/2017] [Indexed: 01/06/2023]
Abstract
OBJECTIVE To examine the role of iron and zinc in arsenic excretion and metabolism in children. STUDY DESIGN An analysis of urinary arsenic (UAs) concentrations from a double-blind randomized trial originally testing the efficacy of iron and zinc for lowering blood lead levels in children. A 2 × 2 factorial design was used, with children randomized individually, stratified by sex and classroom, to receive 30?mg ferrous fumarate (n?=?148), 30?mg zinc oxide (n?=?144), iron and zinc together (n?=?148), or placebo (n?=?151). Of the 602 children enrolled, 527 completed the 6-month treatment, and 485 had both baseline and final UAs values. The baseline total UAs concentration ranged from 3.2 to 215.9?µg/L. RESULTS At baseline, children in the highest tertile of serum ferritin concentration had higher excretion of dimethylarsinic acid (DMA; 1.93?±?0.86%; P?<?.05), but lower excretion of monomethylarsonic acid (-0.91?±?0.39%; P?<?.05), compared with children in the lowest tertile. In an intention-to-treat analysis, iron had no effect on arsenic methylation or UAs excretion, but children receiving zinc had lower %DMA in urine (-1.7?±?0.8; P?<?.05). CONCLUSIONS Iron and zinc status are not related to arsenic metabolism in children, and supplementation with these minerals has limited application in lowering arsenic concentrations. TRIAL REGISTRATION ClinicalTrials.gov: NCT02346188.
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Carioni VMO, McElroy JA, Guthrie JM, Ngwenyama RA, Brockman JD. Fast and reliable method for As speciation in urine samples containing low levels of As by LC-ICP-MS: Focus on epidemiological studies. Talanta 2016; 165:76-83. [PMID: 28153322 DOI: 10.1016/j.talanta.2016.12.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 12/15/2016] [Accepted: 12/18/2016] [Indexed: 11/24/2022]
Abstract
The speciation analysis of As in urine samples can provide important information for epidemiological studies. Considering that these studies involve hundreds or thousands of samples, a fast and reliable method using a simple LC system with short-length mixed bed ion exchange chromatographic column coupled to ICP-MS for As speciation in human urine samples was developed in this work. Separation of AB+TMAO, DMA, AC, MMA and AsIII+AsV was accomplished within 5min with good resolution when ammonium carbonate solutions were used as mobile phases and H2O2 was added to samples to quantitatively convert AsIII-AsV. Repeatability studies yielded RSD values from 2.0% to 4.8% for all species evaluated. Limits of detection (LOD) for As species ranged from 0.003 to 0.051ngg-1. Application of the method to human urine samples from a non-contaminated area showed that the sum of species measured corresponded to 62-125% of the total As in the sample. The recovery values for these species in urine SRM 2669 were in the range of 89-112% and demonstrated the suitability of the proposed method for epidemiological studies.
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Affiliation(s)
- V M O Carioni
- University of Missouri Research Reactor, University of Missouri - Columbia, 1513 Research Park Drive, Columbia, MO 65211, United States
| | - J A McElroy
- University of Missouri Research Reactor, University of Missouri - Columbia, 1513 Research Park Drive, Columbia, MO 65211, United States; University of Missouri - Columbia, Family and Community Medicine, University of Missouri, 1 Hospital Dr, Columbia MO 65212, United States
| | - J M Guthrie
- University of Missouri Research Reactor, University of Missouri - Columbia, 1513 Research Park Drive, Columbia, MO 65211, United States
| | - R A Ngwenyama
- University of Missouri Research Reactor, University of Missouri - Columbia, 1513 Research Park Drive, Columbia, MO 65211, United States
| | - J D Brockman
- University of Missouri Research Reactor, University of Missouri - Columbia, 1513 Research Park Drive, Columbia, MO 65211, United States.
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Hsueh YM, Chen WJ, Lee CY, Chien SN, Shiue HS, Huang SR, Lin MI, Mu SC, Hsieh RL. Association of Arsenic Methylation Capacity with Developmental Delays and Health Status in Children: A Prospective Case-Control Trial. Sci Rep 2016; 6:37287. [PMID: 27853293 PMCID: PMC5112508 DOI: 10.1038/srep37287] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 10/26/2016] [Indexed: 12/24/2022] Open
Abstract
This case–control study identified the association between the arsenic methylation capacity and developmental delays and explored the association of this capacity with the health status of children. We recruited 120 children with developmental delays and 120 age- and sex-matched children without developmental delays. The health status of the children was assessed using the Pediatric Quality of Life Inventory (PedsQL) and Pediatric Outcomes Data Collection Instrument (PODCI). The arsenic methylation capacity was determined by the percentages of inorganic arsenic (InAs%), monomethylarsonic acid (MMAV%), and dimethylarsinic acid (DMAV%) through liquid chromatography and hydride generation atomic absorption spectrometry. Developmental delays were significantly positively associated with the total urinary arsenic concentration, InAs%, and MMAV%, and was significantly negatively associated with DMAV% in a dose-dependent manner. MMAV% was negatively associated with the health-related quality of life (HRQOL; −1.19 to −1.46, P < 0.01) and functional performance (−0.82 to −1.14, P < 0.01), whereas DMAV% was positively associated with HRQOL (0.33–0.35, P < 0.05) and functional performance (0.21–0.39, P < 0.01–0.05) in all children and in those with developmental delays. The arsenic methylation capacity is dose-dependently associated with developmental delays and with the health status of children, particularly those with developmental delays.
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Affiliation(s)
- Yu-Mei Hsueh
- Department of Family Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Jen Chen
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Chih-Ying Lee
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ssu-Ning Chien
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Horng-Sheng Shiue
- Department of Chinese Medicine, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Shiau-Rung Huang
- School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Ming-I Lin
- Department of Pediatrics, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Shu-Chi Mu
- Department of Pediatrics, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Ru-Lan Hsieh
- Department of Physical Medicine and Rehabilitation, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.,Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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