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Zheng X, Cao J, Wang H, Liu L, Jin B, Zhang H, Li M, Nian S, Li H, He R, Wang N, Li X, Wang K. Effects of tauroursodeoxycholate on arsenic-induced hepatic injury in mice: A comparative transcriptomic analysis. J Trace Elem Med Biol 2024; 86:127512. [PMID: 39232337 DOI: 10.1016/j.jtemb.2024.127512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 07/19/2024] [Accepted: 08/20/2024] [Indexed: 09/06/2024]
Abstract
BACKGROUND Prolonged exposure to excessive arsenic (As) and its compounds can cause damage to multiple systems, including respiratory, cardiovascular, immune, nervous, and endocrine systems. Manifestations include changes in skin pigmentation, excessive keratosis on palms and soles, gastrointestinal symptoms, and anemia. The liver as an important detoxification organ of the body, is a significant target organ for arsenic toxicity, and liver diseases are common. So far, the molecular mechanism has not been fully elucidated. Evidence suggests that taurodeoxycholic acid (TUDCA) has a protective role in arsenic-induced liver injury. This study aims to reveal potential target genes at the transcriptional level following TUDCA intervention, providing insights for the intervention of arsenic-induced liver injury. METHODS The TUDCA intervention model of arsenic liver injury in C57BL/6 N mice was established. The experiment was divided into two phases and lasted for 24 weeks. The phase I trial (12 weeks) was divided into control, low, middle and high groups according to the dose of As. The phaseⅡtrial (12 weeks) was administered in combination with 10 mg/L sodium arsenite (the first stage high arsenic group) and TUDCA, so subsequent groups was named with H indicating high arsenic. Divide into four groups: control group(C), TUDCA solvent control group(H-Vehicle), TUDCA combined with As group(H-TUDCA), arsenic group (As). As was ingested through free water and TUDCA was administered to mice by gavage at a dose of 0.1 mL/10 g.b.w (100 mg/kg) once a day for 12 weeks. The differential expression gene (DEG) profile was obtained from the second batch of mouse liver tissues by RNA sequencing technology. Comparative transcriptomic analysis methods were used to identify co-varying DEGs between arsenic induction and TUDCA intervention, along with their associated pathways. QRT-PCR was utilized for validation. RESULTS Transcriptome results showed that 487 DEGs were identified after arsenic induction. TUDCA intervention identified 231 DEGs (p-values < 0.05 and | log2(fold change) | > 1). The comparison of "AS vs C" and "H_TUDCA vs AS" identified 65 covariant DEGs, and further screened the TUDCA pathways and related genes among these genes,six pathways and 11 genes (Ccl21a, Ccr7, Mdm2, Slc2a4, Akr1b7, Pnpla3, Dusp8, Hspa1a, Cyp7a1, Cybrd1, Trpm6) were obtained. Next, we screened for covariant DEGs among the top 50 potential hub genes in arsenic-induced DEGS, and obtained 7 (Hbb-bs, Hspa1a, Mdm2, Slc2a4, Ptk6, Egr1, and Dusp8). Finally, the intersection of Hub gene and pathway gene was selected as the target genes Dusp8, Hspa1a, Mdm2 and Slc2a4. The sequencing results showed that the mRNA expressions of Dusp8, Hspa1a and Mdm2 were significantly increased after arsenic induction, while the expression of Slc2a4 was significantly decreased (P<0.05). Conversely, TUDCA intervention reversed these DEGs changes, consistent with QRT-PCR validation results. CONCLUSION This study contributes to understanding the potential health effects of arsenic-induced liver injury, identifying new potential targets, and providing references for TUDCA intervention.
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Affiliation(s)
- Xiujuan Zheng
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China; Harbin Municipal Center for Disease Control and Prevention, Harbin 150056, PR China.
| | - Jianbin Cao
- Harbin Municipal Center for Disease Control and Prevention, Harbin 150056, PR China.
| | - He Wang
- Department of Medical, The Fourth Hospital of Harbin Medical University, Harbin 150001, PR China.
| | - Lele Liu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China; The first psychological hospital of Harbin, Harbin 150081, PR China.
| | - Baiming Jin
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China; Department of Preventive Medicine, Qiqihar Medical University, Qiqihar 161006, PR China.
| | - Hua Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Mingqi Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Shijing Nian
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Haonan Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Rui He
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Ningning Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China; Department of Preventive Medicine, Qiqihar Medical University, Qiqihar 161006, PR China.
| | - Xuying Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Kewei Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
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Jin B, Li H, Zhang H, Yang J, Ma W, Lv M, Zheng X, Li X, Liu L, Wang K. Effects of carnosic acid on arsenic-induced liver injury in mice: A comparative transcriptomics analysis. J Trace Elem Med Biol 2022; 71:126953. [PMID: 35202923 DOI: 10.1016/j.jtemb.2022.126953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 02/06/2022] [Accepted: 02/14/2022] [Indexed: 01/29/2023]
Abstract
BACKGROUND Long-term chronic exposure to arsenic can cause different degrees of liver injury. Till date, its molecular mechanism has not meant fully elucidated. Evidence indicates that Carnosic acid (CA) has a protective role in arsenic-induced liver injury. This study aimed to reveal the potential targets and evaluate the potential effect of CA intervention at transcriptional level, and provide reference for the intervention of arsenic-induced liver injury. METHODS Arsenic-induced liver injury and CA intervention models were established in C57BL/6 mice. RNA sequencing technique was carried out to obtain the differentially expressed gene (DEG) profiles. The common covariant DEGs between arsenic induction and CA intervention was screened by comparative transcriptomic analysis methods. QRT-PCR was used to verify the covariant DEGs. RESULTS Transcriptome results showed that 220 DEGs were identified after arsenic induction. 267 DEGs were identified after CA intervention (|fold change| > 2.0 and adjusted P < 0.05). 42 covariant DEGs were discovered between the comparison of "AS vs Control" and "AS & CA vs AS". In addition, hub gene analysis revealed a total of 8 covariant DEGs (Ehhadh, Fgf21, Cyp2b10, Plin2, Aacs, Cyp7a1, Per2 and Mylip). The mRNA expressions of Fgf21 and Plin2 were significantly increased (P < 0.05) and the mRNA expressions of Cyp2b10, Cyp7a1, Per2 and Mylip were significantly decreased (P < 0.05) after arsenic induction. On the contrary, the changes of these DEGs were reversed after CA intervention. CONCLUSION The present study would be helpful to understand the potential health effects of arsenic-induced liver injury and identify new potential targets, and provide a reference for the intervention of CA.
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Affiliation(s)
- Baiming Jin
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China; Department of Preventive Medicine, Qiqihar Medical University, Qiqihar 161006, PR China.
| | - Haonan Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Hua Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Jie Yang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Wenjing Ma
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Man Lv
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Xiujuan Zheng
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China; Harbin Municipal Center for Disease Control and Prevention, Harbin 150056, PR China.
| | - Xuying Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Lele Liu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
| | - Kewei Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin 150081, PR China; National Health Commission & Education Bureau of Heilongjiang Province, Key Laboratory of Etiology and Epidemiology, Harbin Medical University (23618504), Harbin 150081, PR China; Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health,Harbin Medical University, Harbin 150081, PR China; Institute of Cell Biotechnology, China and Russia Medical Research Center, Harbin Medical University, Harbin 150081, PR China.
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Kumar R, Patel M, Singh P, Bundschuh J, Pittman CU, Trakal L, Mohan D. Emerging technologies for arsenic removal from drinking water in rural and peri-urban areas: Methods, experience from, and options for Latin America. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 694:133427. [PMID: 31756815 DOI: 10.1016/j.scitotenv.2019.07.233] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 07/14/2019] [Accepted: 07/15/2019] [Indexed: 05/21/2023]
Abstract
Providing drinking water with safe arsenic levels in Latin American (LA) countries (a total of 22 countries) is a major current challenge. Arsenic's presence in water has been neglected for many decades since it was first reported ~100 years ago in Argentina. The major arsenic source in this region is geogenic. So far, arsenic has been reported in 15 LA countries. Arsenic concentrations in drinking water have been reported up to >200 fold (2000 μg/L) the WHO limit of 10 μg/L. About 14 million people in the arsenic affected LA countries depend on contaminated water characterized by >10 μg/L of arsenic. Low-cost, easy to use, efficient, and sustainable solutions are needed to supply arsenic safe water to the rural and peri-urban population in the affected areas. In the present study, >250 research articles published on various emerging technologies used for arsenic remediation in rural and peri-urban areas of LA countries are critically reviewed. Special attention has been given to arsenic adsorption methods. The manuscript focuses on providing insights into low cost emergent adsorbents with an implementation potential in Latin America. Natural, modified and synthetic adsorbents used for arsenic decontamination were reviewed and compared. Advantages and disadvantages of treatment methods are summarized. Adsorbent selection criteria are developed. Recommendations concerning emerging adsorbents for aqueous arsenic removal in LA countries have also been made.
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Affiliation(s)
- Rahul Kumar
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Manvendra Patel
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Prachi Singh
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Jochen Bundschuh
- Faculty of Health, Engineering and Sciences, The University of Southern Queensland, West Street, Toowoomba, 4350, Queensland, Australia
| | - Charles U Pittman
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762, USA
| | - Lukáš Trakal
- Department of Environmental Geosciences, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Praha, 165 00 Suchdol , Czech Republic
| | - Dinesh Mohan
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
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Tchounwou PB, Yedjou CG, Udensi UK, Pacurari M, Stevens JJ, Patlolla AK, Noubissi F, Kumar S. State of the science review of the health effects of inorganic arsenic: Perspectives for future research. ENVIRONMENTAL TOXICOLOGY 2019; 34:188-202. [PMID: 30511785 PMCID: PMC6328315 DOI: 10.1002/tox.22673] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 10/06/2018] [Accepted: 10/09/2018] [Indexed: 05/06/2023]
Abstract
Human exposure to inorganic arsenic (iAs) is a global health issue. Although there is strong evidence for iAs-induced toxicity at higher levels of exposure, many epidemiological studies evaluating its effects at low exposure levels have reported mixed results. We comprehensively reviewed the literature and evaluated the scientific knowledge on human exposure to arsenic, mechanisms of action, systemic and carcinogenic effects, risk characterization, and regulatory guidelines. We identified areas where additional research is needed. These priority areas include: (1) further development of animal models of iAs carcinogenicity to identify molecular events involved in iAs carcinogenicity; (2) characterization of underlying mechanisms of iAs toxicity; (3) assessment of gender-specific susceptibilities and other factors that modulate arsenic metabolism; (4) sufficiently powered epidemiological studies to ascertain relationship between iAs exposure and reproductive/developmental effects; (5) evaluation of genetic/epigenetic determinants of iAs effects in children; and (6) epidemiological studies of people chronically exposed to low iAs concentrations.
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Affiliation(s)
- Paul B. Tchounwou
- Cellomics and Toxicogenomics Research Laboratory, NIH/NIMHD-RCMI Center for Environmental Health.Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Clement G. Yedjou
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Udensi K. Udensi
- Cellomics and Toxicogenomics Research Laboratory, NIH/NIMHD-RCMI Center for Environmental Health.Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Maricica Pacurari
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Jacqueline J. Stevens
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Anita K. Patlolla
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Felicite Noubissi
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
| | - Sanjay Kumar
- Cellomics and Toxicogenomics Research Laboratory, NIH/NIMHD-RCMI Center for Environmental Health.Jackson State University, 1400 Lynch Street, Box18750, Jackson, Mississippi, MS 39217, USA
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Zubair M, Ahmad M, Saleemi MK, Gul ST, Ahmad N, Umar S. Protective effects of vitamin E on sodium arsenite-induced toxicity, testicular measurements and histopathological studies of testes in Teddy goat bucks. Andrologia 2016; 49. [DOI: 10.1111/and.12699] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2016] [Indexed: 12/16/2022] Open
Affiliation(s)
- M. Zubair
- Department of Theriogenology; University of Agriculture; Faisalabad Pakistan
| | - M. Ahmad
- Department of Theriogenology; University of Agriculture; Faisalabad Pakistan
| | - M. K. Saleemi
- Department of Pathology; University of Agriculture; Faisalabad Pakistan
| | - S. T. Gul
- Department of Pathology; University of Agriculture; Faisalabad Pakistan
| | - N. Ahmad
- Department of Theriogenology; University of Agriculture; Faisalabad Pakistan
| | - S. Umar
- Department of Theriogenology; University of Agriculture; Faisalabad Pakistan
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Acharyya N, Deb B, Chattopadhyay S, Maiti S. Arsenic-Induced Antioxidant Depletion, Oxidative DNA Breakage, and Tissue Damages are Prevented by the Combined Action of Folate and Vitamin B12. Biol Trace Elem Res 2015; 168:122-32. [PMID: 25850544 DOI: 10.1007/s12011-015-0324-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 03/24/2015] [Indexed: 02/07/2023]
Abstract
Arsenic is a grade I human carcinogen. It acts by disrupting one-carbon (1C) metabolism and cellular methyl (-CH3) pool. The -CH3 group helps in arsenic disposition and detoxification of the biological systems. Vitamin B12 and folate, the key promoters of 1C metabolism were tested recently (daily 0.07 and 4.0 μg, respectively/100 g b.w. of rat for 28 days) to evaluate their combined efficacy in the protection from mutagenic DNA-breakage and tissue damages. The selected tissues like intestine (first-pass site), liver (major xenobiotic metabolizer) and lung (major arsenic accumulator) were collected from arsenic-ingested (0.6 ppm/same schedule) female rats. The hemo-toxicity and liver and kidney functions were monitored. Our earlier studies on arsenic-exposed humans can correlate carcinogenesis with DNA damage. Here, we demonstrate that the supplementation of physiological/therapeutic dose of vitamin B12 and folate protected the rodents significantly from arsenic-induced DNA damage (DNA fragmentation and comet assay) and hepatic and renal tissue degeneration (histo-architecture, HE staining). The level of arsenic-induced free-radical products (TBARS and conjugated diene) was significantly declined by the restored actions of several antioxidants viz. urate, thiol, catalase, xanthine oxidase, lactoperoxidase, and superoxide dismutase in the tissues of vitamin-supplemented group. The alkaline phosphatase, transaminases, urea and creatinine (hepatic and kidney toxicity marker), and lactate dehydrogenase (tissue degeneration marker) were significantly impaired in the arsenic-fed group. But a significant protection was evident in the vitamin-supplemented group. In conclusion, the combined action of folate and B12 results in the restitution in the 1C metabolic pathway and cellular methyl pool. The cumulative outcome from the enhanced arsenic methylation and antioxidative capacity was protective against arsenic induced mutagenic DNA breakages and tissue damages.
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Affiliation(s)
- Nirmallya Acharyya
- Department of Biochemistry, Cell and Molecular Therapeutics Laboratory, Oriental Institute of Science and TechnologyVidyasagar University, Midnapore, West Bengal, 721102, India
- Department of Biotechnology, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal, 721102, India
- Department of Biomedical Laboratory Science and Management, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Bimal Deb
- Department of Biomedical Laboratory Science and Management, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Sandip Chattopadhyay
- Department of Biomedical Laboratory Science and Management, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Smarajit Maiti
- Department of Biochemistry, Cell and Molecular Therapeutics Laboratory, Oriental Institute of Science and TechnologyVidyasagar University, Midnapore, West Bengal, 721102, India.
- Department of Biotechnology, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore, West Bengal, 721102, India.
- Epidemiology and Human Health Division, Agricure Biotech Research Society, Midnapore, 721101, India.
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Prenatal Exposure to Sodium Arsenite Alters Placental Glucose 1, 3, and 4 Transporters in Balb/c Mice. BIOMED RESEARCH INTERNATIONAL 2015; 2015:175025. [PMID: 26339590 PMCID: PMC4538324 DOI: 10.1155/2015/175025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 04/17/2015] [Indexed: 12/15/2022]
Abstract
Inorganic arsenic (iAs) exposure induces a decrease in glucose type 4 transporter (GLUT4) expression on the adipocyte membrane, which may be related to premature births and low birth weight infants in women exposed to iAs at reproductive age. The aim of this study was to analyze the effect of sodium arsenite (NaAsO2) exposure on GLUT1, GLUT3, and GLUT4 protein expression and on placental morphology. Female Balb/c mice (n = 15) were exposed to 0, 12, and 20 ppm of NaAsO2 in drinking water from 8th to 18th day of gestation. Morphological changes and GLUT1, GLUT3, and GLUT4 expression were evaluated in placentas by immunohistochemical and image analysis and correlated with iAs and arsenical species concentration, which were quantified by atomic absorption spectroscopy. NaAsO2 exposure induced a significant decrease in fetal and placental weight (P < 0.01) and increases in infarctions and vascular congestion. Whereas GLUT1 expression was unchanged in placentas from exposed group, GLUT3 expression was found increased. In contrast, GLUT4 expression was significantly lower (P < 0.05) in placentas from females exposed to 12 ppm. The decrease in placental GLUT4 expression might affect the provision of adequate fetal nutrition and explain the low fetal weight observed in the exposed groups.
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Sánchez-Virosta P, Espín S, García-Fernández AJ, Eeva T. A review on exposure and effects of arsenic in passerine birds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 512-513:506-525. [PMID: 25644847 DOI: 10.1016/j.scitotenv.2015.01.069] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/20/2015] [Accepted: 01/21/2015] [Indexed: 05/24/2023]
Abstract
UNLABELLED Arsenic (As) is a metalloid of high concern because of its toxic effects for plants and animals. However, it is hard to find information on this metalloid in passerines. This review presents a comprehensive overview of As exposure and effects in birds, and more particularly in passerines, as a result of an extensive search of the literature available. Internal tissues are the most frequently analyzed matrices for As determination in passerines (37.5% of the reviewed studies used internal tissues), followed by feathers and eggs (32.5% each), feces (27.5%), and finally blood (15%). A clear tendency is found in recent years to the use of non-destructive samples. Most studies on As concentrations in passerines have been done in great tit (Parus major; 50%), followed by pied flycatcher (Ficedula hypoleuca; 22.5%). Some factors such as diet and migratory status are crucial on the interspecific differences in As exposure. More studies are needed to elucidate if intraspecific factors like age or gender affect As concentrations in different tissues. The literature review shows that studies on As concentrations in passerines have been done mainly in the United States (30%), followed by Belgium (22.5%), and Finland (20%), making evident the scarce or even lack of information in some countries, so we recommend further research in order to overcome the data gap, particularly in the southern hemisphere. Studies on humans, laboratory animals and birds have found a wide range of effects on different organ systems when they are exposed to different forms of As. This review shows that few field studies on As exposure and effects in passerines have been done, and all of them are correlative so far. Arsenic manipulation experiments on passerines are recommended to explore the adverse effects of As in free-living populations at similar levels to those occurring in the environment. CAPSULE This review summarizes the most interesting published studies on As exposure and effects in passerines.
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Affiliation(s)
- P Sánchez-Virosta
- Section of Ecology, Department of Biology, University of Turku, 20014 Turku, Finland.
| | - S Espín
- Section of Ecology, Department of Biology, University of Turku, 20014 Turku, Finland; Department of Toxicology, Faculty of Veterinary Medicine, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
| | - A J García-Fernández
- Department of Toxicology, Faculty of Veterinary Medicine, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
| | - T Eeva
- Section of Ecology, Department of Biology, University of Turku, 20014 Turku, Finland
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Navoni JA, De Pietri D, Olmos V, Gimenez C, Bovi Mitre G, de Titto E, Villaamil Lepori EC. Human health risk assessment with spatial analysis: study of a population chronically exposed to arsenic through drinking water from Argentina. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 499:166-74. [PMID: 25181048 DOI: 10.1016/j.scitotenv.2014.08.058] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 08/18/2014] [Accepted: 08/18/2014] [Indexed: 05/12/2023]
Abstract
Arsenic (As) is a ubiquitous element widely distributed in the environment. This metalloid has proven carcinogenic action in man. The aim of this work was to assess the health risk related to As exposure through drinking water in an Argentinean population, applying spatial analytical techniques in addition to conventional approaches. The study involved 650 inhabitants from Chaco and Santiago del Estero provinces. Arsenic in drinking water (Asw) and urine (UAs) was measured by hydride generation atomic absorption spectrophotometry. Average daily dose (ADD), hazard quotient (HQ), and carcinogenic risk (CR) were estimated, geo-referenced and integrated with demographical data by a health composite index (HI) applying geographic information system (GIS) analysis. Asw covered a wide range of concentration: from non-detectable (ND) to 2000 μg/L. More than 90% of the population was exposed to As, with UAs levels above the intervention level of 100 μg/g creatinine. GIS analysis described an expected level of exposure lower than the observed, indicating possible additional source/s of exposure to inorganic arsenic. In 68% of the locations, the population had a HQ greater than 1, and the CR ranged between 5·10(-5) and 2,1·10(-2). An environmental exposure area through ADD geo-referencing defined a baseline scenario for space-time risk assessment. The time of residence, the demographic density and the potential health considered outcomes helped characterize the health risk in the region. The geospatial analysis contributed to delimitate and analyze the change tendencies of risk in the region, broadening the scopes of the results for a decision-making process.
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Affiliation(s)
- J A Navoni
- Cátedra de Toxicología y Química Legal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Ciudad Autónoma de Buenos Aires, Argentina.
| | - D De Pietri
- Dirección Nacional de Determinantes de la Salud e Investigación, Ministerio de Salud de la Nación, Av. 9 de Julio 1925, C1073ABA Ciudad Autónoma de Buenos Aires, Argentina.
| | - V Olmos
- Cátedra de Toxicología y Química Legal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Ciudad Autónoma de Buenos Aires, Argentina
| | - C Gimenez
- Cátedra Química Analítica I, Universidad Nacional del Chaco Austral. Cmte., Fernández 755 (3700), Pres. Roque Sáenz Peña, Chaco, Argentina
| | - G Bovi Mitre
- Grupo INQA (Investigación Química Aplicada) Facultad de Ciencias Agrarias, Universidad Nacional de Jujuy, Alberdi 47, piso 1, San Salvador de Jujuy, Jujuy CP 4600, Argentina
| | - E de Titto
- Dirección Nacional de Determinantes de la Salud e Investigación, Ministerio de Salud de la Nación, Av. 9 de Julio 1925, C1073ABA Ciudad Autónoma de Buenos Aires, Argentina
| | - E C Villaamil Lepori
- Cátedra de Toxicología y Química Legal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Ciudad Autónoma de Buenos Aires, Argentina
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Patlolla AK, Todorov TI, Tchounwou PB, van der Voet G, Centeno JA. Arsenic-induced biochemical and genotoxic effects and distribution in tissues of Sprague-Dawley rats. Microchem J 2012; 105:101-107. [PMID: 23175155 PMCID: PMC3500913 DOI: 10.1016/j.microc.2012.08.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Arsenic (As) is a well documented human carcinogen. However, its mechanisms of toxic action and carcinogenic potential in animals have not been conclusive. In this research, we investigated the biochemical and genotoxic effects of As and studied its distribution in selected tissues of Sprague-Dawley rats. Four groups of six male rats, each weighing approximately 60 ± 2 g, were injected intraperitoneally, once a day for 5 days with doses of 5, 10, 15, 20 mg/kg bw of arsenic trioxide. A control group was also made of 6 animals injected with distilled water. Following anaesthetization, blood was collected and enzyme analysis was performed by spectrophotometry following standard protocols. At the end of experimentation, the animals were sacrificed, and the lung, liver, brain and kidney were collected 24 h after the fifth day treatment. Chromosome and micronuclei preparation was obtained from bone marrow cells. Arsenic exposure significantly increased (p<0.05) the activities of plasma alanine aminotransferase-glutamate pyruvate transaminase (ALT/GPT), and aspartate aminotransferase-glutamate oxaloacetate transaminase (AST/GOT), as well as the number of structural chromosomal aberrations (SCA) and frequency of micronuclei (MN) in the bone marrow cells. In contrast, the mitotic index in these cells was significantly reduced (p<0.05). These findings indicate that aminotransferases are candidate biomarkers for arsenic-induced hepatotoxicity. Our results also demonstrate that As has a strong genotoxic potential, as measured by the bone marrow SCA and MN tests in Sprague-Dawley rats. Total arsenic concentrations in tissues were measured by inductively coupled plasma mass spectrometry (ICP-MS). A dynamic reaction cell (DRC) with hydrogen gas was used to eliminate the ArCl interference at mass 75, in the measurement of total As. Total As doses in tissues tended to correlate with specific exposure levels.
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Affiliation(s)
- Anita K. Patlolla
- NIH-RCMI Center for Environmental Health, Jackson State University, Jackson, MS, USA
| | - Todor I. Todorov
- Crustal Geophysics and Geochemistry Science Center, US Geological Survey, Denver, CO, USA
| | - Paul B. Tchounwou
- NIH-RCMI Center for Environmental Health, Jackson State University, Jackson, MS, USA
| | - Gijsbert van der Voet
- Biophysical Toxicology Laboratory, The Joint Pathology Center, Silver Spring, MD 20910-1290
| | - Jose A. Centeno
- Biophysical Toxicology Laboratory, The Joint Pathology Center, Silver Spring, MD 20910-1290
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McClintock TR, Chen Y, Bundschuh J, Oliver JT, Navoni J, Olmos V, Lepori EV, Ahsan H, Parvez F. Arsenic exposure in Latin America: biomarkers, risk assessments and related health effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 429:76-91. [PMID: 22119448 PMCID: PMC3977337 DOI: 10.1016/j.scitotenv.2011.08.051] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Revised: 08/08/2011] [Accepted: 08/10/2011] [Indexed: 05/19/2023]
Abstract
In Latin America, several regions have a long history of widespread arsenic (As) contamination from both natural and anthropological sources. Yet, relatively little is known about the extent of As exposure from drinking water and its related health consequences in these countries. It has been estimated that at least 4.5 million people in Latin America are chronically exposed to high levels of As (>50 μg/L), some to as high as 2000 μg/L--200 times higher than the World Health Organization (WHO) provisional standard for drinking water. We conducted a systematic review of 82 peer reviewed papers and reports to fully explore the current understanding of As exposure and its health effects, as well as the influence of genetic factors that modulate those effects in the populations of Latin America. Despite some methodological limitations, these studies suggested important links between the high levels of chronic As exposure and elevated risks of numerous adverse health outcomes in Latin America--including internal and external cancers, reproductive outcomes, and childhood cognitive function. Several studies demonstrated genetic polymorphisms that influence susceptibility to these and other disease states through their modulation of As metabolism, with As methyltransferase (AS3MT), glutathione S-transferase (GST), and genes of one-carbon metabolism being specifically implicated. While the full extent and nature of the health burden are yet to be known in Latin America, these studies have significantly enriched knowledge of As toxicity and led to subsequent research. Targeted future studies will not only yield a better understanding of the public health impact of As in Latin America populations, but also allow for effective and timely mitigation efforts.
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Affiliation(s)
- Tyler R. McClintock
- New York University School of Medicine, New York University, New York, NY, USA
| | - Yu Chen
- Department of Environmental Medicine, New York University, New York, NY, USA
| | - Jochen Bundschuh
- Institute of Applied Research, Karlsruhe University of Applied Sciences, Moltkestrasse 30, 76133 Karlsruhe, Germany
- Department of Earth Sciences, National Cheng Kung University, University Road, Tainan City 701, Taiwan
| | - John T. Oliver
- Columbia University Medical Center, Hammer Health Sciences Center, New York, NY, USA
| | - Julio Navoni
- Cátedra de Toxicología y Química Legal- Facultad de Farmacia y Bioquímica. Universidad de Buenos Aires. Junín 956- piso 7, 1113 Buenos Aires, Argentina
| | - Valentina Olmos
- Cátedra de Toxicología y Química Legal- Facultad de Farmacia y Bioquímica. Universidad de Buenos Aires. Junín 956- piso 7, 1113 Buenos Aires, Argentina
| | - Edda Villaamil Lepori
- Cátedra de Toxicología y Química Legal- Facultad de Farmacia y Bioquímica. Universidad de Buenos Aires. Junín 956- piso 7, 1113 Buenos Aires, Argentina
| | - Habibul Ahsan
- Departments of Medicine and Human Genetics and Cancer Research Center, The University of Chicago, Chicago, IL, USA
- Department of Health Studies, The University of Chicago, Chicago, IL, USA
| | - Faruque Parvez
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
- Address for correspondence and reprints: Faruque Parvez, Department of Environmental Health Sciences, 60 Haven Ave, B-1, New York, NY 10032. Phone / Fax: 212-305-4101/ 212-305-3857,
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12
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Maiti S, Chattopadhyay S, Deb B, Samanta T, Maji G, Pan B, Ghosh A, Ghosh D. Antioxidant and metabolic impairment result in DNA damage in arsenic-exposed individuals with severe dermatological manifestations in Eastern India. ENVIRONMENTAL TOXICOLOGY 2012; 27:342-50. [PMID: 20925122 DOI: 10.1002/tox.20647] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Revised: 07/24/2010] [Accepted: 07/27/2010] [Indexed: 05/02/2023]
Abstract
Arsenic is an environmental toxicant, free-radical generator, carcinogenic agent, and aging promoter. Recently, blood samples were analyzed from individuals (control- male 12, female 13; arsenic-exposed- male 16, female 14; and exposed to ≥100 μg/L As, ≥10 y) with dermatological symptoms in few affected villages in Eastern India to unravel their hematopoietic, metabolic, and antioxidant profiles. White blood cells recovered from buffy coat were used for DNA fragmentation test. Present observation suggests that significant number of individuals developed pigmentation and palmoplantar hyperkeratosis with black-brownish patch on their body and many of those developed carcinomas. Hematopoietic data show a significant increase in eosinophil and decrease in monocyte count in either sex. Though insignificant, an increase in neutrophil in female and lymphocyte count in male arsenic-exposed individuals are supported by the earlier report on sex dimorphic immune sensitization. Significant increase in serum alanine transaminase in both sexes and bilirubin only in male suggests the eventuality of hepatic disintegration. Arsenic exposure significantly decreased serum amylase in female. A significant decrease in antioxidant components like catalase, soluble thiol, and recently recognized uric acid worsened the situation by generating free radicals as observed in significant rise in malondialdehyde level, which finally increased DNA fragmentation and arsenic-associated mutagenesis and carcinogenesis. This could attribute to lowering in immune competence and related necrotic and/or apoptotic manifestations.
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Affiliation(s)
- Smarajit Maiti
- Post Graduate Department of Biochemistry, Cell and Molecular Therapeutics Laboratory, Oriental Institute of Science and Technology, Vidyasagar University, Midnapore 721102, West Bengal, India.
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13
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Camacho LM, Gutiérrez M, Alarcón-Herrera MT, Villalba MDL, Deng S. Occurrence and treatment of arsenic in groundwater and soil in northern Mexico and southwestern USA. CHEMOSPHERE 2011; 83:211-25. [PMID: 21216433 DOI: 10.1016/j.chemosphere.2010.12.067] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2010] [Revised: 12/13/2010] [Accepted: 12/13/2010] [Indexed: 05/06/2023]
Abstract
This review focuses on the occurrence and treatment of arsenic (As) in the arid region of northern Mexico (states of Chihuahua and Coahuila) and bordering states of the southwestern US (New Mexico, Arizona, and Texas), an area known for having high As concentrations. Information assembled and assessed includes the content and probable source of As in water, soil, and sediments and treatment methods that have been applied in the area. High As concentrations were found mainly in groundwater, their source being mostly from natural origin related to volcanic processes with significant anthropogenic contributions near mining and smelting of ores containing arsenic. The affinity of As for solid phases in alkaline conditions common to arid areas precludes it from being present in surface waters, accumulating instead in sediments and shifting its threat to its potential remobilization in reservoir sediments and irrigation waterways. Factors such as oxidation and pH that affect the mobility of As in the subsurface environment are mentioned. Independent of socio-demographic variables, nutritional status, and levels of blood lead, cognitive development in children is being affected when exposed to As. Treatments known to effectively reduce As content to safe drinking water levels as well as those that are capable of reducing As content in soils are discussed. Besides conventional methods, emergent technologies, such as phytoremediation, offer a viable solution to As contamination in drinking water.
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Affiliation(s)
- Lucy Mar Camacho
- Center for Inland Desalination Systems, University of Texas at El Paso, 500 West-University Avenue, Room 216, El Paso, TX 79968, USA.
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14
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Medina A, Gamero P, Almanza JM, Vargas A, Montoya A, Vargas G, Izquierdo M. Fly ash from a Mexican mineral coal. II. Source of W zeolite and its effectiveness in arsenic (V) adsorption. JOURNAL OF HAZARDOUS MATERIALS 2010; 181:91-104. [PMID: 20537461 DOI: 10.1016/j.jhazmat.2010.04.102] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2009] [Revised: 04/24/2010] [Accepted: 04/26/2010] [Indexed: 05/29/2023]
Abstract
Coal-fired plants in Coahuila (Mexico) produce highly reactive fly ash (MFA), which is used in a one-step process as a raw material in producing zeolite. We explored two routes in the synthesis of zeolite: (a) direct MFA zeolitization, which resulted in the formation of W zeolite with KOH and analcime with NaOH and (b) a MFA fusion route, which resulted in the formation of zeolite W or chabazite with KOH and zeolite X or P with NaOH. No residual crystalline phases were present. When LiOH was employed, ABW zeolite with quartz and mullite were obtained. For both zeolitization routes, the nature of the alkali (KOH, NaOH, LiOH), the alkali/MFA ratio (0.23-1.46), and the crystallization temperature and time (90-175 degrees C; 8-24 h) were evaluated. Additionally, the effect of temperature and time on MFA fusion was studied. W zeolite was obtained by both zeolitization methods. The direct route is preferred because it is a straightforward method using soft reaction conditions that results in a high yield of low cost zeolites with large crystal agglomerates. It was demonstrated that aluminum modified W zeolite has the ability to remove 99% of the arsenic (V) from an aqueous solution of Na(2)HAsO(4).7H(2)O originally containing 740 ppb.
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Affiliation(s)
- Adriana Medina
- CINVESTAV IPN-Unidad Saltillo, Ramos Arizpe, Coahuila, Mexico
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15
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Risher JF, Todd GD, Meyer D, Zunker CL. The elderly as a sensitive population in environmental exposures: making the case. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2010; 207:95-157. [PMID: 20652665 DOI: 10.1007/978-1-4419-6406-9_2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The US population is aging. CDC has estimated that 20% of all Americans will be 65 or older by the year 2030. As a part of the aging process, the body gradually deteriorates and physiologic and metabolic limitations arise. Changes that occur in organ anatomy and function present challenges for dealing with environmental stressors of all kinds, ranging from temperature regulation to drug metabolism and excretion. The elderly are not just older adults, but rather are individuals with unique challenges and different medical needs than younger adults. The ability of the body to respond to physiological challenge presented by environmental chemicals is dependent upon the health of the organ systems that eliminate those substances from the body. Any compromise in the function of those organ systems may result in a decrease in the body's ability to protect itself from the adverse effects of xenobiotics. To investigate this issue, we performed an organ system-by-organ system review of the effects of human aging and the implications for such aging on susceptibility to drugs and xenobiotics. Birnbaum (1991) reported almost 20 years ago that it was clear that the pharmacokinetic behavior of environmental chemicals is, in many cases, altered during aging. Yet, to date, there is a paucity of data regarding recorded effects of environmental chemicals on elderly individuals. As a result, we have to rely on what is known about the effects of aging and the existing data regarding the metabolism, excretion, and adverse effects of prescription medications in that population to determine whether the elderly might be at greater risk when exposed to environmental substances. With increasing life expectancy, more and more people will confront the problems associated with advancing years. Moreover, although proper diet and exercise may lessen the immediate severity of some aspects of aging, the process will continue to gradually degrade the ability to cope with a variety of injuries and diseases. Thus, the adverse effects of long-term, low-level exposure to environmental substances will have a longer time to be manifested in a physiologically weakened elderly population. When such exposures are coupled with concurrent exposure to prescription medications, the effects could be devastating. Public health officials must be knowledgeable about the sensitivity of the growing elderly population, and ensure that the use of health guidance values (HGVs) for environmental contaminants and other substances give consideration to this physiologically compromised segment of the population.
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Affiliation(s)
- John F Risher
- Agency for Toxic Substances and Disease Registry, Division of Toxicology (F-32), Toxicology Information Branch, 1600 Clifton Road, Atlanta, GA 30333, USA.
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16
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Rahman MM, Ng JC, Naidu R. Chronic exposure of arsenic via drinking water and its adverse health impacts on humans. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2009; 31 Suppl 1:189-200. [PMID: 19190988 DOI: 10.1007/s10653-008-9235-0] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2008] [Revised: 09/16/2008] [Accepted: 10/17/2008] [Indexed: 05/06/2023]
Abstract
Worldwide chronic arsenic (As) toxicity has become a human health threat. Arsenic exposure to humans mainly occurs from the ingestion of As contaminated water and food. This communication presents a review of current research conducted on the adverse health effects on humans exposed to As-contaminated water. Chronic exposure of As via drinking water causes various types of skin lesions such as melanosis, leucomelanosis, and keratosis. Other manifestations include neurological effects, obstetric problems, high blood pressure, diabetes mellitus, diseases of the respiratory system and of blood vessels including cardiovascular, and cancers typically involving the skin, lung, and bladder. The skin seems to be quite susceptible to the effects of As. Arsenic-induced skin lesions seem to be the most common and initial symptoms of arsenicosis. More systematic studies are needed to determine the link between As exposure and its related cancer and noncancer end points.
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Affiliation(s)
- Mohammad Mahmudur Rahman
- Centre for Environmental Risk Assessment and Remediation (CERAR), University of South Australia, Mawson Lakes, SA, Australia
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17
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Bošnjak Z, Cavar S, Klapec T, Milić M, Klapec-Basar M, Toman M. Selected markers of cardiovascular disease in a population exposed to arsenic from drinking water. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2008; 26:181-186. [PMID: 21783908 DOI: 10.1016/j.etap.2008.03.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2007] [Revised: 03/07/2008] [Accepted: 03/11/2008] [Indexed: 05/31/2023]
Abstract
This study examined prevalence and serum levels of selected markers of cardiovascular disease in 34 subjects from a Croatian rural population exposed to high levels of arsenic (As) from drinking water (611.89±10.06μg/l). The prevalences of overweight and obese subjects in the population were 32% and 35%. Half the subjects had hypertension, 29% had increased fasting serum glucose level and two were diabetic. Median total cholesterol (5.82mmol/l) and triglycerides (2.15mmol/l) were above the desirable margins. The median C-reactive protein level (1.20mg/l) was slightly higher than previously reported for healthy subjects. Serum Hsp70 level was significantly higher in nonsmokers. Total urinary As levels were positively correlated with age-adjusted serum levels of cobalamin. Near significance were also serum total bilirubin, antibodies to Hsp60 and folate. Tentative investigation of risk factors among subjects classified by tumor necrosis factor-α -308G/A and interleukin-6-174G/C gene polymorphisms was also performed. Collectively, the results are in agreement with the hypothesis of As-induced and/or compounded cardiovascular disease.
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Affiliation(s)
- Zinka Bošnjak
- Institute of Public Health for Osijek-Baranya County, Osijek, Croatia
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18
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Nabi AHMN, Rahman MM, Islam LN. Evaluation of biochemical changes in chronic arsenic poisoning among Bangladeshi patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2008; 2:385-93. [PMID: 16819093 DOI: 10.3390/ijerph2005030002] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
An estimated 40 million people in Bangladesh have been suffering from arsenic toxicity-related diseases because of drinking water contamination with high levels of naturally occurring arsenic. To evaluate the biochemical changes in chronic arsenic exposure, a total of 115 exposed subjects diagnosed as arsenicosis patients were examined and interviewed, and 120 unexposed volunteers were enrolled in this study. Drinking water, urine and peripheral blood samples were collected from all participants and analyzed. The average levels of arsenic in the drinking water and spot urine samples of the arsenicosis patients were 218.1 microg/L and 234.6 microg/L, respectively, and duration of exposure was 7.6 +/- 5.2 yrs that ranged from 1-25 yrs. Prevalence of diabetes mellitus among chronic arsenic-exposed subjects was about 2.8 times higher than the unexposed subjects. The activities of alkaline phosphatase were significantly elevated in the patients, 197 U/L compared to 149 U/L in the controls, but alanine transaminase and aspartate transaminase were mostly normal. The patients had significantly lower levels of serum creatinine, 0.97 mg/dL compared to 1.15 mg/dL in the controls; but had significantly elevated levels of total protein, 84 g/L and 77 g/L respectively. The mean level of inorganic phosphate in the serum of arsenicosis patients was 6.4 mg/dL compared to 4.6 mg/dL in the unexposed subjects and the level was significantly higher, indicating substitution of the pentavalent arsenate for the phosphate ion causing underutilization of the latter. Evaluation of the lipid profiles showed while the levels of triacylglycerol were not much different, the patients had significantly lower levels of cholesterol, HDL-cholesterol and LDL-cholesterol compared to the unexposed subjects. These findings suggest significant changes in biochemical parameters in human arsenic toxicity.
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Affiliation(s)
- A H M Nurun Nabi
- Department of Biochemistry and Molecular Biology, University of Dhaka, Bangladesh
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Armienta MA, Segovia N. Arsenic and fluoride in the groundwater of Mexico. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2008; 30:345-53. [PMID: 18335171 DOI: 10.1007/s10653-008-9167-8] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2006] [Revised: 11/01/2006] [Accepted: 02/01/2007] [Indexed: 05/22/2023]
Abstract
Concentrations of arsenic and fluoride above Mexican drinking water standards have been detected in aquifers of various areas of Mexico. This contamination has been found to be mainly caused by natural sources. However, the specific processes releasing these toxic elements into groundwater have been determined in a few zones only. Many studies, focused on arsenic-related health effects, have been performed at Comarca Lagunera in northern México. High concentrations of fluoride in water were also found in this area. The origin of the arsenic there is still controversial. Groundwater in active mining areas has been polluted by both natural and anthropogenic sources. Arsenic-rich minerals contaminate the fractured limestone aquifer at Zimapán, Central México. Tailings and deposits smelter-rich fumes polluted the shallow granular aquifer. Arsenic contamination has also been reported in the San Antonio-El Triunfo mining zone, southern Baja California, and Santa María de la Paz, in San Luis Potosí state. Even in the absence of mining activities, hydrogeochemistry and statistical techniques showed that arsenopyrite oxidation may also contaminate water, as in the case of the Independencia aquifer in the Mexican Altiplano. High concentrations of arsenic have also been detected in geothermal areas like Los Azufres, Los Humeros, and Acoculco. Prevalence of dental fluorosis was revealed by epidemiological studies in Aguascalientes and San Luis Potosí states. Presence of fluoride in water results from dissolution of acid-volcanic rocks. In Mexico, groundwater supplies most drinking water. Current knowledge and the geology of Mexico indicate the need to include arsenic and fluoride determinations in groundwater on a routine basis, and to develop interdisciplinary studies to assess the contaminant's sources in all enriched areas.
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Affiliation(s)
- M A Armienta
- Instituto de Geofísica, Universidad Nacional Autonoma de Mexico, UNAM, Mexico, D.F 04510, Mexico.
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Lam SH, Winata CL, Tong Y, Korzh S, Lim WS, Korzh V, Spitsbergen J, Mathavan S, Miller LD, Liu ET, Gong Z. Transcriptome kinetics of arsenic-induced adaptive response in zebrafish liver. Physiol Genomics 2006; 27:351-61. [PMID: 16882884 DOI: 10.1152/physiolgenomics.00201.2005] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Arsenic is a prominent environmental toxicant and carcinogen; however, its molecular mechanism of toxicity and carcinogenicity remains poorly understood. In this study, we performed microarray-based expression profiling on liver of zebrafish exposed to 15 parts/million (ppm) arsenic [As(V)] for 8-96 h to identify global transcriptional changes and biological networks involved in arsenic-induced adaptive responses in vivo. We found that there was an increase of transcriptional activity associated with metabolism, especially for biosyntheses, membrane transporter activities, cytoplasm, and endoplasmic reticulum in the 96 h of arsenic treatment, while transcriptional programs for proteins in catabolism, energy derivation, and stress response remained active throughout the arsenic treatment. Many differentially expressed genes encoding proteins involved in heat shock proteins, DNA damage/repair, antioxidant activity, hypoxia induction, iron homeostasis, arsenic metabolism, and ubiquitin-dependent protein degradation were identified, suggesting strongly that DNA and protein damage as a result of arsenic metabolism and oxidative stress caused major cellular injury. These findings were comparable with those reported in mammalian systems, suggesting that the zebrafish liver coupled with the available microarray technology present an excellent in vivo toxicogenomic model for investigating arsenic toxicity. We proposed an in vivo, acute arsenic-induced adaptive response model of the zebrafish liver illustrating the relevance of many transcriptional activities that provide both global and specific information of a coordinated adaptive response to arsenic in the liver.
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Affiliation(s)
- Siew Hong Lam
- Department of Biological Sciences, National University of Singapore
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Tchounwou PB, Patlolla AK, Centeno JA. Carcinogenic and systemic health effects associated with arsenic exposure--a critical review. Toxicol Pathol 2004; 31:575-88. [PMID: 14585726 DOI: 10.1080/01926230390242007] [Citation(s) in RCA: 108] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Arsenic and arsenic containing compounds are human carcinogens. Exposure to arsenic occurs occupationally in several industries, including mining, pesticide, pharmaceutical, glass and microelectronics, as well as environmentally from both industrial and natural sources. Inhalation is the principal route of arsenic exposure in occupational settings, while ingestion of contaminated drinking water is the predominant source of significant environmental exposure globally. Drinking water contamination by arsenic remains a major public health problem. Acute and chronic arsenic exposure via drinking water has been reported in many countries of the world, where a large proportion of drinking water is contaminated with high concentrations of arsenic. General health effects that are associated with arsenic exposure include cardiovascular and peripheral vascular disease, developmental anomalies, neurologic and neurobehavioural disorders, diabetes, hearing loss, portal fibrosis, hematologic disorders (anemia, leukopenia and eosinophilia) and multiple cancers: significantly higher standardized mortality rates and cumulative mortality rates for cancers of the skin, lung, liver, urinary bladder, kidney, and colon in many areas of arsenic pollution. Although several epidemiological studies have documented the sources of exposure and the global impact of arsenic contamination, the mechanisms by which arsenic induces health effects, including cancer, are not well characterized. Further research is needed to provide a better understanding of the pathobiology of arsenic-induced diseases and to better define the toxicologic pathology of arsenic in various organ systems. In this review, we provide and discuss the underlying pathology and nature of arsenic-induced lesions. Such information is critical for understanding the magnitude of health effects associated with arsenic exposure throughout the world.
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Affiliation(s)
- Paul B Tchounwou
- Molecular Toxicology Research Laboratory, NIH-Center for Environmental Health, School of Science and Technology, Jackson State University, Jackson, Mississippi 39217, USA.
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Del Razo LM, Quintanilla-Vega B, Brambila-Colombres E, Calderón-Aranda ES, Manno M, Albores A. Stress proteins induced by arsenic. Toxicol Appl Pharmacol 2001; 177:132-48. [PMID: 11740912 DOI: 10.1006/taap.2001.9291] [Citation(s) in RCA: 187] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The elevated expression of stress proteins is considered to be a universal response to adverse conditions, representing a potential mechanism of cellular defense against disease and a potential target for novel therapeutics. Exposure to arsenicals either in vitro or in vivo in a variety of model systems has been shown to cause the induction of a number of the major stress protein families such as heat shock proteins (Hsp). Among them are members with low molecular weight, such as metallotionein and ubiquitin, as well as ones with masses of 27, 32, 60, 70, 90, and 110 kDa. In most of the cases, the induction of stress proteins depends on the capacity of the arsenical to reach the target, its valence, and the type of exposure, arsenite being the biggest inducer of most Hsp in several organs and systems. Hsp induction is a rapid dose-dependent response (1-8 h) to the acute exposure to arsenite. Thus, the stress response appears to be useful to monitor the sublethal toxicity resulting from a single exposure to arsenite. The present paper offers a critical review of the capacity of arsenicals to modulate the expression and/or accumulation of stress proteins. The physiological consequences of the arsenic-induced stress and its usefulness in monitoring effects resulting from arsenic exposure in humans and other organisms are discussed.
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Affiliation(s)
- L M Del Razo
- Sección de Toxicología, Centro de Investigación y Estudios Avanzados del Instituto Politécnico National, Mexico City, Mexico
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Abstract
Bilirubin metabolism is a complex and fascinating example of the body's ability to discard, renew, and recycle vital elements. Jaundice is the warning sign for derangements in this system. As is true of pain, jaundice is a powerful impetus for visiting a healthcare provider. Usually associated with hepatitis by a nonclinician, the origins of jaundice can range from benign to fatally malignant. Patients may have any number of idiopathic or nosocomial conditions that can contribute to an icteric state. This review delineates the steps of bilirubin metabolism, enumerates the sources of bilirubin derangement, and examines elements of patient condition and therapeutics that can contribute to hyperbilirubinemia and jaundice.
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Affiliation(s)
- P L Hass
- Department of Outcomes and Case Management, University Health System, San Antonio, Texas 78229-4493, USA
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