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Li Q, Zheng X, Chen M. Ecotoxicological effects of tungsten on celery ( Apium graveolens L) and pepper ( Capsicum spp.). PeerJ 2024; 12:e17601. [PMID: 38938608 PMCID: PMC11210458 DOI: 10.7717/peerj.17601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/29/2024] [Indexed: 06/29/2024] Open
Abstract
Background Tungsten (W) is an emerging heavy metal pollutant, yet research remains scarce on the biomonitor and sensitive biomarkers for W contamination. Methods In this study, celery and pepper were chosen as study subjects and subjected to exposure cultivation in solutions with five different levels of W. The physiological and biochemical toxicities of W on these two plants were systematically analyzed. The feasibility of utilizing celery and pepper as biomonitor organisms for W contamination was explored and indicative biomarkers were screened. Results The results indicated that W could inhibit plants' root length, shoot height, and fresh weight while concurrently promoting membrane lipid peroxidation. Additionally, W enhanced the activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), and total antioxidant capacity (TAOC) to counteract oxidative damage. From a physiological perspective, pepper exhibited potential as a biomonitor for W contamination. Biochemical indicators suggested that SOD could serve as a sensitive biomarker for W in celery, while TAOC and POD were more suitable for the roots and leaves of pepper. In conclusion, our study investigated the toxic effects of W on celery and pepper, contributing to the understanding of W's environmental toxicity. Furthermore, it provided insights for selecting biomonitor organisms and sensitive biomarkers for W contamination.
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Affiliation(s)
- Qi Li
- School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi, China
- Jiangxi Provincial Key Laboratory of Environmental Pollution Prevention and Control in Mining and Metallurgy, Ganzhou, China
- Cooperative Innovation Center jointly established by the Ministry and the Ministry of Rare Earth Resources Development and Utilization, Ganzhou, China
- Jiangxi Environmental Engineering Vocational College, Ganzhou, China
| | - Xiaojun Zheng
- School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi, China
- Jiangxi Provincial Key Laboratory of Environmental Pollution Prevention and Control in Mining and Metallurgy, Ganzhou, China
- Cooperative Innovation Center jointly established by the Ministry and the Ministry of Rare Earth Resources Development and Utilization, Ganzhou, China
| | - Ming Chen
- School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi, China
- Jiangxi Provincial Key Laboratory of Environmental Pollution Prevention and Control in Mining and Metallurgy, Ganzhou, China
- Cooperative Innovation Center jointly established by the Ministry and the Ministry of Rare Earth Resources Development and Utilization, Ganzhou, China
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2
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Chen X, Liu L, Wang Y, Zhou L, Xiao J, Yan W, Li M, Li Q, He X, Zhang L, You X, Zhu D, Yan J, Wang B, Hang X. The combined effects of lanthanum-modified bentonite and Vallisneria spiralis on phosphorus, dissolved organic matter, and heavy metal(loid)s. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170502. [PMID: 38301791 DOI: 10.1016/j.scitotenv.2024.170502] [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: 12/07/2023] [Revised: 01/10/2024] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
The use of lanthanum-modified bentonite (LMB) combined with Vallisneria spiralis (V∙s) (LMB + V∙s) is a common method for controlling internal phosphorus (P) release from sediments. However, the behaviors of iron (Fe) and manganese (Mn) under LMB + V∙s treatments, as well as the associated coupling effect on P, dissolved organic matter (DOM), and heavy metal(loid)s (HMs), require further investigations. Therefore, we used in this study a microelectrode system and high-resolution dialysis technology (HR-Peeper) to study the combined effects of LMB and V∙s on P, DOM, and HMs through a 66-day incubation experiment. The LMB + V∙s treatment increased the sediment DO concentration, promoting in-situ formations of Fe (III)/Mn (IV) oxyhydroxides, which, in turn, adsorbed P, soluble tungsten (W), DOM, and HMs. The increase in the concentrations of HCl-P, amorphous and poorly crystalline (oxyhydr) oxides-bound W, and oxidizable HMs forms demonstrated the capacity of the LMB + V∙s treatment to transform mobile P, W, and other HMs forms into more stable forms. The significant positive correlations between SRP, soluble W, UV254, and soluble Fe (II)/Mn, and the increased concentrations of the oxidizable HMs forms suggested the crucial role of the Fe/Mn redox in controlling the release of SRP, DOM, and HMs from sediments. The LMB + V∙s treatment resulted in SRP, W, and DOM removal rates of 74.49, 78.58, and 54.78 %, which were higher than those observed in the control group (without LMB and V∙s applications). On the other hand, the single and combined uses of LMB and V·s influenced the relative abundances of the sediment microbial communities without exhibiting effects on microbial diversity. This study demonstrated the key role of combined LMB and V∙s applications in controlling the release of P, W, DOM, and HMs in eutrophic lakes.
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Affiliation(s)
- Xiang Chen
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China; College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Ling Liu
- College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Yan Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Li Zhou
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Jing Xiao
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Wenming Yan
- The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
| | - Minjuan Li
- The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
| | - Qi Li
- College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
| | - Xiangyu He
- College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China; The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
| | - Lan Zhang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Xiaohui You
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Dongdong Zhu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Jiabao Yan
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Bin Wang
- Zhongyifeng Construction Group Co., Ltd., Suzhou 215131, China
| | - Xiaoshuai Hang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China.
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3
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Li Q, Liu L, Yan W, Chen X, Liu R, Zhao Z, Jiang F, Huang Y, Zhang S, Zou Y, Yang C. Influence on the release of arsenic and tungsten from sediment, and effect on other heavy metals and microorganisms by ceria nanoparticle capping. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123161. [PMID: 38104760 DOI: 10.1016/j.envpol.2023.123161] [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: 10/20/2023] [Revised: 12/03/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
In this study, ceria nanoparticle (CNP) was used as a capping agent to investigate the efficiency and mechanism of simultaneously controlling the release of sediment internal Arsenic (As) and tungsten (W). The results of incubation experiment demonstrated that CNP capping reduced soluble As and W by 81.80% and 97.97% in overlying water, respectively; soluble As and W by 65.64% and 60.13% in pore water, respectively; and labile As and W in sediment by 45.20% and 53.20%, respectively. The main mechanism of CNP controlling sediment internal As and W was through adsorption via ligand exchange and inner-sphere complexation, as determined through adsorption experiments, XPS and FIRT spectra analysis. Besides, CNP also acted as an oxidant, facilitating the oxidation of AsⅢ to AsV and thereby enhancing the adsorption of soluble As. Additionally, sediment As and W fractions experiments demonstrated that the immobilization of As and W with CNP treatment via transforming mobile to stable fractions was another mechanism inhibiting sediment As and W release. The obtained significant positive correlation between soluble As/W and Fe/Mn, labile As/W and Fe/Mn indicated that iron (Fe) and manganese (Mn) oxidation, influenced by CNP, serve as additional mechanisms. Moreover, Fe redox plays a crucial role in controlling internal As and W, while Mn redox plays a more significant role in controlling As compared to W. Meanwhile, CNP capping effectively prevented the release of As and W by reducing the activity of microorganisms that degrade Fe-bound As and W and reduced the release risk of V, Cr, Co, Ni, and Zn from sediments. Overall, this study proved that CNP was a suitable capping agent for simultaneously controlling the release of As and W from sediment.
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Affiliation(s)
- Qi Li
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China.
| | - Ling Liu
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China.
| | - Wenming Yan
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China; National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing, 210098, China
| | - Xiang Chen
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Ruiyan Liu
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Ziyi Zhao
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Feng Jiang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Yanfen Huang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Shunting Zhang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Yiqian Zou
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Chenjun Yang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
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Li Q, Yan W, Li M, Chen X, Wu T, He X, Yao Q, Yan Y, Li G. Simultaneous immobilization of sediment internal phosphorus, arsenic and tungsten by lanthanum carbonate capping. ENVIRONMENTAL RESEARCH 2024; 242:117817. [PMID: 38043892 DOI: 10.1016/j.envres.2023.117817] [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: 10/08/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/05/2023]
Abstract
In this study, lanthanum carbonate (LC) was selected as a capping agent to examine its effectiveness in immobilizing sediment internal phosphorus (P), arsenic (As) and tungsten (W). With a 180-day incubation experiment, it was determined that LC capping efficiently reduced the concentrations of soluble reactive P (SRP), soluble As and soluble W in pore water, with the highest reduction rate of 83.39%, 56.21% and 68.52%, respectively. The primary mechanisms involved in the adsorption of P, As and W by LC were precipitation reactions and ligand exchange. Additionally, P, As and W were immobilized by LC capping through the transformation of fractions from mobile and less stable forms to more stable forms. Furthermore, LC capping led to an increase in the Eh value, which promoted the oxidation of soluble Fe (Ⅱ) and soluble Mn. The significantly positive correlation and synchronized variations observed between SRP, soluble As, soluble W, and soluble Fe (II) indicated that the effects of LC on Fe redox played a crucial role in immobilizing sediment internal P, As and W. However, the oxidation of Mn, promoted by LC, played a more significant role in immobilizing sediment internal As than P and W. These effects resulted in LC capping achieving the highest reduction of SRP, soluble As and soluble W flux at 145.22, 22.19, and 0.58 μg m-2d-1. It is of note that LC capping did not lead to an elevated release hazard of Co, Ni, Cu, and Pb, barring Cd. Besides, LC capping did not modify the entire microbial communities in the sediment, but altered the proportional representation of specific microorganisms. Generally, LC has potential as a capping agent capable of simultaneously immobilizing sediment internal P, As and W.
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Affiliation(s)
- Qi Li
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China; National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing, 210098, China
| | - Wenming Yan
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China; National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing, 210098, China.
| | - Minjuan Li
- National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing, 210098, China
| | - Xiang Chen
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Tingfeng Wu
- . State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Xiangyu He
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Qi Yao
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Yulin Yan
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Gaoxiang Li
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
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Barrera-Chimal J, Henley N, Grant MP, Cenatus S, Geraldes P, Pichette V, Gerarduzzi C. Tungsten toxicity on kidney tubular epithelial cells induces renal inflammation and M1-macrophage polarization. Cell Biol Toxicol 2023; 39:3061-3075. [PMID: 37368165 DOI: 10.1007/s10565-023-09817-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023]
Abstract
Tungsten is widely used in medical, industrial, and military applications. The environmental exposure to tungsten has increased over the past several years, and few studies have addressed its potential toxicity. In this study, we evaluated the effects of chronic oral tungsten exposure (100 ppm) on renal inflammation in male mice. We found that 30- or 90-day tungsten exposure led to the accumulation of LAMP1-positive lysosomes in renal tubular epithelial cells. In addition, the kidneys of mice exposed to tungsten showed interstitial infiltration of leukocytes, myeloid cells, and macrophages together with increased levels of proinflammatory cytokines and p50/p65-NFkB subunits. In proximal tubule epithelial cells (HK-2) in vitro, tungsten induced a similar inflammatory status characterized by increased mRNA levels of CSF1, IL34, CXCL2, and CXCL10 and NFkB activation. Moreover, tungsten exposure reduced HK-2 cell viability and enhanced reactive oxygen species generation. Conditioned media from HK-2 cells treated with tungsten induced an M1-proinflammatory polarization of RAW macrophages as evidenced by increased levels of iNOS and interleukin-6 and decreased levels of the M2-antiinflammatory marker CD206. These effects were not observed when RAW cells were exposed to conditioned media from HK-2 cells treated with tungsten and supplemented with the antioxidant N-acetylcysteine (NAC). Similarly, direct tungsten exposure induced M1-proinflammatory polarization of RAW cells that was prevented by NAC co-treatment. Altogether, our data suggest that prolonged tungsten exposure leads to oxidative injury in the kidney ultimately leading to chronic renal inflammation characterized by a proinflammatory status in kidney tubular epithelial cells and immune cell infiltration.
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Affiliation(s)
- Jonatan Barrera-Chimal
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montreal, Quebec, Canada
| | - Nathalie Henley
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montreal, Quebec, Canada
| | - Michael Philip Grant
- Department of Orthopaedics, Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada
- Department of Surgery, McGill University, Montreal, Quebec, Canada
| | - Schrodinger Cenatus
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montreal, Quebec, Canada
| | - Pedro Geraldes
- Research Center, Centre Hospitalier, Université de Sherbrooke, Quebec, Canada
| | - Vincent Pichette
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montreal, Quebec, Canada
- Département de Médecine, Faculté de Médecine, Université de Montréal, Montreal, Quebec, Canada
| | - Casimiro Gerarduzzi
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montreal, Quebec, Canada.
- Département de Médecine, Faculté de Médecine, Université de Montréal, Montreal, Quebec, Canada.
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Fu W, Xu L, Chen Z, Kan L, Ma Y, Qian H, Wang W. Recent advances on emerging nanomaterials for diagnosis and treatment of inflammatory bowel disease. J Control Release 2023; 363:149-179. [PMID: 37741461 DOI: 10.1016/j.jconrel.2023.09.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 09/16/2023] [Accepted: 09/18/2023] [Indexed: 09/25/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic idiopathic inflammatory disorder that affects the entire gastrointestinal tract and is associated with an increased risk of colorectal cancer. Mainstream clinical testing methods are time-consuming, painful for patients, and insufficiently sensitive to detect early symptoms. Currently, there is no definitive cure for IBD, and frequent doses of medications with potentially severe side effects may affect patient response. In recent years, nanomaterials have demonstrated considerable potential for IBD management due to their diverse structures, composition, and physical and chemical properties. In this review, we provide an overview of the advances in nanomaterial-based diagnosis and treatment of IBD in recent five years. Multi-functional bio-nano platforms, including contrast agents, near-infrared (NIR) fluorescent probes, and bioactive substance detection agents have been developed for IBD diagnosis. Based on a series of pathogenic characteristics of IBD, the therapeutic strategies of antioxidant, anti-inflammatory, and intestinal microbiome regulation of IBD based on nanomaterials are systematically introduced. Finally, the future challenges and prospects in this field are presented to facilitate the development of diagnosis and treatment of IBD.
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Affiliation(s)
- Wanyue Fu
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, China
| | - Lingling Xu
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, China
| | - Zetong Chen
- School of Stomatology, Anhui Medical University, Hefei, Anhui 230032, PR China
| | - Lingling Kan
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, China
| | - Yan Ma
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, China.
| | - Haisheng Qian
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, China.
| | - Wanni Wang
- School of Biomedical Engineering, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei 230032, PR China; Anhui Engineering Research Center for Medical Micro-Nano Devices, Hefei, Anhui 230012, China.
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Wang J, Shi D, Ma X, Yang L, Ding S, Liu E. Application of high-resolution techniques in the assessment of the mobility of Cr, Mo, and W at the sediment-water interface of Nansi Lake, China. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:980. [PMID: 37480431 DOI: 10.1007/s10661-023-11567-1] [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: 10/29/2022] [Accepted: 06/28/2023] [Indexed: 07/24/2023]
Abstract
There are few studies on the simultaneous behavior of chromium (Cr), molybdenum (Mo), and tungsten (W) belonging to group VIB of the periodic table. Herein, based on high-resolution dialysis (HR-Peeper) and diffusive gradients in thin films (DGT) technology, the vertical distribution characteristics of DGT-labile and soluble Cr, Mo, and W in two lakes of Nansi Lake (Weishan Lake and Dushan Lake) were analyzed. In addition, the net diffusion fluxes and R-value (CDGT/Csol) were used to evaluate the mobility and release risk of metals at the sediment-water interface. The results showed that the DGT-labile concentrations of the three metal elements (Cr, Mo, and W) in Weishan Lake were higher than those in Dushan Lake, both in overlying water and sediment. This is mainly due to the dredging of the Dushan Lake area, which can permanently remove the polluted sediment in the lake. Meanwhile, the exogenous input is relatively high near the tourist area of Weishan Island. The net diffusion fluxes indicate that the W has a potential release risk of diffusion to the overlying water in Dushan Lake. The release of Cr, Mo, and W is thought to be related to the reductive dissolution of Fe/Mn (hydr)oxides based on Pearson correlation coefficients. The R-values of Cr and W indicate that Cr and W belong to the partial continuity case. The R-value of Mo was lower than the minimum value, meaning that Mo belongs to the single diffusion type and it is difficult for Mo sediments to supply pore water.
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Affiliation(s)
- Jin Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Dan Shi
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China
| | - Xin Ma
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Liyuan Yang
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, China.
| | - Shiming Ding
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Enfeng Liu
- College of Geography and Environment, Shandong Normal University, Jinan, 250358, China
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Chen X, Liu L, Yan W, Li M, Li Q, He X, Zhao Z, Liu R, Zhang S, Huang Y, Jiang F. Impacts of calcium peroxide on phosphorus and tungsten releases from sediments. ENVIRONMENTAL RESEARCH 2023; 231:116060. [PMID: 37149024 DOI: 10.1016/j.envres.2023.116060] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 04/26/2023] [Accepted: 05/03/2023] [Indexed: 05/08/2023]
Abstract
In this study, CaO2 was used as a capping material to control the release of Phosphate (P) and tungsten (W) from the sediment due to its oxygen-releasing and oxidative properties. The results revealed significant decreases in SRP and soluble W concentrations after the addition of CaO2. The mechanisms of P and W adsorption by CaO2 were mainly chemisorption and ligand exchange mechanisms. In addition, the results showed significant increases in HCl-P and amorphous and poorly crystalline(oxyhydr)oxides bound W after the addition of CaO2. The highest reduction rates of sediment SRP and soluble W release were 37 and 43%, respectively. Furthermore, CaO2 can promote the redox of iron (Fe) and manganese (Mn). On the other hand, a significant positive correlation was observed between SRP/soluble W and soluble Fe (II) and between SRP/soluble W and soluble Mn, indicating that the effects of CaO2 on Fe and Mn redox play a crucial role in controlling P and W releases from sediments. However, the redox of Fe plays a key role in controlling sediment P and W release. Therefore, CaO2 addition can simultaneously inhibit sediment internal P and W release.
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Affiliation(s)
- Xiang Chen
- Nanjing Inst Environm Sci, Minist Ecol & Environm, Nanjing, 210042, China; College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China; State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China
| | - Ling Liu
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China.
| | - Wenming Yan
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China
| | - Minjuan Li
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China
| | - Qi Li
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Xiangyu He
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Ziyi Zhao
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Ruiyan Liu
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Shunting Zhang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Yanfen Huang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
| | - Feng Jiang
- College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
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9
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Sørli JB, Jensen ACØ, Mortensen A, Szarek J, Chatzigianelli E, Gutierrez CAT, Jacobsen NR, Poulsen SS, Hafez I, Loizides C, Biskos G, Hougaard KS, Vogel U, Hadrup N. Genotoxicity in the absence of inflammation after tungsten inhalation in mice. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 98:104074. [PMID: 36724834 DOI: 10.1016/j.etap.2023.104074] [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: 12/06/2022] [Revised: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
Tungsten is used in several applications and human exposure may occur. To assess its pulmonary toxicity, we exposed male mice to nose-only inhalation of tungsten particles at 9, 23 or 132 mg/m3 (Low, Mid and High exposure) (45 min/day, 5 days/week for 2 weeks). Increased genotoxicity (assessed by comet assay) was seen in bronchoalveolar (BAL) fluid cells at Low and High exposure. We measured acellular ROS production, and cannot exclude that ROS contributed to the observed genotoxicity. We saw no effects on body weight gain, pulmonary inflammation, lactate dehydrogenase or protein in BAL fluid, pathology of liver or kidney, or on sperm counts. In conclusion, tungsten showed non-dose dependent genotoxicity in the absence of inflammation and therefore interpreted to be primary genotoxicity. Based on genotoxicity, a Lowest Observed Adverse Effect Concentration (LOAEC) could be set at 9 mg/m3. It was not possible to establish a No Adverse Effect Concentration (NOAEC).
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Affiliation(s)
- Jorid B Sørli
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Alexander C Ø Jensen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Alicja Mortensen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Józef Szarek
- Department of Pathophysiology, Forensic Veterinary Medicine and Administration, University of Warmia and Mazury in Olsztyn, Olsztyn, Oczapowskiego 13, 10-719 Olsztyn, Poland.
| | - Eleni Chatzigianelli
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Claudia A T Gutierrez
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; Department of Public Health, University of Copenhagen, Copenhagen, Denmark.
| | - Nicklas R Jacobsen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Sarah S Poulsen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Iosif Hafez
- Climate and Atmosphere Research Centre, The Cyprus Institute, 20 Konstantinou Kavafi Street, 2121, Aglantzia Nicosia, Cyprus.
| | - Charis Loizides
- Climate and Atmosphere Research Centre, The Cyprus Institute, 20 Konstantinou Kavafi Street, 2121, Aglantzia Nicosia, Cyprus.
| | - George Biskos
- Climate and Atmosphere Research Centre, The Cyprus Institute, 20 Konstantinou Kavafi Street, 2121, Aglantzia Nicosia, Cyprus; Faculty of Civil Engineering and Geosciences, Delft University of Technology, Gebouw 23 Stevinweg 1, 2628 CN Delft, the Netherlands.
| | - Karin S Hougaard
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, 1353 Copenhagen K, Denmark.
| | - Ulla Vogel
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; DTU Food, Technical University of Denmark, Kemitorvet Bygning 202, 2800 Kongens Lyngby, Denmark.
| | - Niels Hadrup
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; Research group for Risk-benefit, National Food Institute, Technical University of Denmark, Kemitorvet Bygning 202, 2800 Kongens Lyngby, Denmark.
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10
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Abstract
Tungsten is an emerging contaminant in the environment. Research has demonstrated that humans are exposed to high levels of tungsten in certain settings, primarily due to increased use of tungsten in industrial applications. However, our understanding of the potential human health risks of tungsten exposure is still limited. An important point we have learned about the toxicity profile of tungsten is that it is complex because tungsten can often augment the effects of other co-exposures or co-stressors, which could result in greater toxicity or more severe disease. This has shaped the tungsten toxicology field and the types of research questions being investigated. This has particularly been true when evaluating the toxicity profile of tungsten metal alloys in combination with cobalt. In this chapter, the current state of the tungsten toxicology field will be discussed focusing on data investigating tungsten carcinogenicity and other major toxicities including pulmonary, cardiometabolic, bone, and immune endpoints, either alone or in combination with other metals. Environmental and human monitoring data will also be discussed to highlight human populations most at risk of exposure to high concentrations of tungsten, the forms of tungsten present in each setting, and exposure levels in each population.
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Affiliation(s)
- Alicia M Bolt
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM, United States.
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11
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Nazir R, Soleja N, Agrawal N, Siddiqi TO, Mohsin M. A ratiometric fluorescent probe based on FRET for selective monitoring of tungsten in living cells. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Efficient and Fast Removal of Aqueous Tungstate by an Iron-Based LDH Delaminated in L-Asparagine. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127280. [PMID: 35742526 PMCID: PMC9223674 DOI: 10.3390/ijerph19127280] [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: 05/05/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 02/04/2023]
Abstract
High concentrations of tungstate in aqueous systems pose a severe threat to the environment and human health. This study explored the potential of iron-based LDHs to remove tungstate from water. To improve its tungstate uptake capacity, environment-friendly L-asparagine was used to delaminate iron-based LDH synthesized via a coprecipitation method. The successful delamination was proved by AFM, revealing that the thickness of the obtained nanoparticles was approximately 1–2 times that of a single LDH layer. XRD, TEM, and XPS analyses confirmed that the delaminated LDHs were amorphous and ultrathin and had surface defects within their nanosheets that acted as active sites, leading to a very fast tungstate sorption rate and superior tungstate uptake capacity. Notably, the original layered structure of the L-asparagine-treated LDH was recovered upon its reaction with tungstate-bearing solutions, and therefore, the high availability of aqueous tungstate to the interlayer regions during the structural restoration of the delaminated iron-based LDH contributed to its excellent capability of tungstate removal as well. In addition, the tungstate uptake by the delaminated iron-based LDH was not affected substantially by the presence of coexisting anions, implying that the strong inner-sphere complexation between the tungstate and LDH layers with defects (i.e., Fe-O bonds) was the primary mechanism responsible for the tungstate removal. The delamination process described in this paper was validated to be an effective way to enhance the immobilization of tungstate by iron-based LDHs without inducing secondary pollutions, and delaminated iron-based LDHs are promising to be used extensively in the practice of treating tungstate-rich waters.
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13
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Gerken LRH, Gogos A, Starsich FHL, David H, Gerdes ME, Schiefer H, Psoroulas S, Meer D, Plasswilm L, Weber DC, Herrmann IK. Catalytic activity imperative for nanoparticle dose enhancement in photon and proton therapy. Nat Commun 2022; 13:3248. [PMID: 35668122 PMCID: PMC9170699 DOI: 10.1038/s41467-022-30982-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 05/24/2022] [Indexed: 12/19/2022] Open
Abstract
Nanoparticle-based radioenhancement is a promising strategy for extending the therapeutic ratio of radiotherapy. While (pre)clinical results are encouraging, sound mechanistic understanding of nanoparticle radioenhancement, especially the effects of nanomaterial selection and irradiation conditions, has yet to be achieved. Here, we investigate the radioenhancement mechanisms of selected metal oxide nanomaterials (including SiO2, TiO2, WO3 and HfO2), TiN and Au nanoparticles for radiotherapy utilizing photons (150 kVp and 6 MV) and 100 MeV protons. While Au nanoparticles show outstanding radioenhancement properties in kV irradiation settings, where the photoelectric effect is dominant, these properties are attenuated to baseline levels for clinically more relevant irradiation with MV photons and protons. In contrast, HfO2 nanoparticles retain some of their radioenhancement properties in MV photon and proton therapies. Interestingly, TiO2 nanoparticles, which have a comparatively low effective atomic number, show significant radioenhancement efficacies in all three irradiation settings, which can be attributed to the strong radiocatalytic activity of TiO2, leading to the formation of hydroxyl radicals, and nuclear interactions with protons. Taken together, our data enable the extraction of general design criteria for nanoparticle radioenhancers for different treatment modalities, paving the way to performance-optimized nanotherapeutics for precision radiotherapy. Nanoparticles have recently received attention in radiation therapy since they can act as radioenhancers. In this article, the authors report on the dose enhancement capabilities of a series of nanoparticles based on their metal core composition and beam characteristics, obtaining designing criteria for their optimal performance in specific radiotreatments.
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Affiliation(s)
- Lukas R H Gerken
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092, Zurich, Switzerland.,Particles Biology Interactions Laboratory, Department of Materials Meet Life, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Alexander Gogos
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092, Zurich, Switzerland.,Particles Biology Interactions Laboratory, Department of Materials Meet Life, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Fabian H L Starsich
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092, Zurich, Switzerland.,Particles Biology Interactions Laboratory, Department of Materials Meet Life, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland
| | - Helena David
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092, Zurich, Switzerland
| | - Maren E Gerdes
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092, Zurich, Switzerland
| | - Hans Schiefer
- Department of Radiation Oncology, Cantonal Hospital St. Gallen (KSSG), Rorschacherstrasse 95, CH-9007, St. Gallen, Switzerland
| | - Serena Psoroulas
- Center for Proton Therapy, Paul Scherrer Institute (PSI), Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - David Meer
- Center for Proton Therapy, Paul Scherrer Institute (PSI), Forschungsstrasse 111, 5232, Villigen PSI, Switzerland
| | - Ludwig Plasswilm
- Department of Radiation Oncology, Cantonal Hospital St. Gallen (KSSG), Rorschacherstrasse 95, CH-9007, St. Gallen, Switzerland.,Department of Radiation Oncology, University Hospital Bern (Inselspital), 3010, Bern, Switzerland
| | - Damien C Weber
- Center for Proton Therapy, Paul Scherrer Institute (PSI), Forschungsstrasse 111, 5232, Villigen PSI, Switzerland.,Department of Radiation Oncology, University Hospital Bern (Inselspital), 3010, Bern, Switzerland.,Department of Radiation Oncology, University Hospital Zürich, 8091, Zürich, Switzerland
| | - Inge K Herrmann
- Nanoparticle Systems Engineering Laboratory, Institute of Energy and Process Engineering (IEPE), Department of Mechanical and Process Engineering (D-MAVT), ETH Zurich, Sonneggstrasse 3, 8092, Zurich, Switzerland. .,Particles Biology Interactions Laboratory, Department of Materials Meet Life, Swiss Federal Laboratories for Materials Science and Technology (Empa), Lerchenfeldstrasse 5, 9014, St. Gallen, Switzerland.
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14
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Wang W, Huang Y, Han G, Liu B, Su S, Wang Y, Xue Y. Enhanced removal of P(V), Mo(VI) and W(VI) generated oxyanions using Fe-MOF as adsorbent from hydrometallurgical waste liquid: Exploring the influence of ionic polymerization. JOURNAL OF HAZARDOUS MATERIALS 2022; 427:128168. [PMID: 34974403 DOI: 10.1016/j.jhazmat.2021.128168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/15/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
Environmentally hazardous P(V), Mo(VI) and W(VI) generated oxyanions exist widely in the waste liquid of nonferrous hydrometallurgy. In this work, Fe-MOF material was simply prepared via solvothermal synthesis and then used as an adsorbent to remove P(V), Mo(VI) and W(VI) oxyanions from hydrometallurgical waste liquid. Several important parameters, including solution pH, oxyanion concentration, contact time, adsorbent amount, temperature and coexistent heavy metal ions, were systematically investigated. The results demonstrate that adsorption process was almost pH-independent over a broad range of pH 3.0-10.0. The adsorption efficiency was strongly associated with the chemical species of oxyanions. The higher polymerisation degree of oxyanions was more favourable for removal efficiency. Additionally, the maximum removal efficiencies for P(V), Mo(VI) and W(VI) oxyanions under optimum conditions were approximately 100%. Furthermore, the adsorption kinetics and isotherms of oxyanions on the adsorbent separately belonged to the pseudo-second-order and Langmuir isotherm models. XPS analysis revealed that inner-sphere complexation played a dominant role in the adsorption removal process. Fe-MOFs with pH-independent properties, abundant binding sites and high stability are prospective adsorbents for treating waste liquids in the hydrometallurgical industry.
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Affiliation(s)
- Wenjuan Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China
| | - Yanfang Huang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China
| | - Guihong Han
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China.
| | - Bingbing Liu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China
| | - Shengpeng Su
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China
| | - Yizhuang Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China
| | - Yubin Xue
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, PR China
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15
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Yang F, Li K, Fu S, Cuiffo M, Simon M, Rafailovich M, Romanos GE. In Vitro Toxicity of Bone Graft Materials to Human Mineralizing Cells. MATERIALS 2022; 15:ma15051955. [PMID: 35269185 PMCID: PMC8911730 DOI: 10.3390/ma15051955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/24/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022]
Abstract
Bone graft materials from synthetic, bovine, and human sources were analyzed and tested for in vitro cytotoxicity on dental pulp stem cells (DPSCs) and osteosarcoma cells (Saos-2). Raman spectroscopy indicated significant amounts of collagen only in human bone-derived materials, where the mineral to protein ratio was 3.55 ± 0.45, consistent with bone. X-ray fluorescence revealed tungsten (W) concentrations of 463 ± 73, 400 ± 77, and 92 ± 42 ppm in synthetic, bovine, and human bone chips, respectively. When these chips were added to DPSCs on tissue culture plastic, the doubling times after two days were the same as the controls, 16.5 ± 0.5 h. Those cultured with synthetic or bovine chips were 96.5 ± 8.1 and 25.2 ± 1.4 h, respectively. Saos-2 was more sensitive. During the first two days with allogeneic or bovine graft materials, cell numbers declined. When DPSC were cultured on collagen, allogeneic and bovine bone chips did not increase doubling times. We propose cytotoxicity was associated with tungsten, where only the concentration in human bone chips was below 184 ppm, the value reported as cytotoxic in vitro. Cells on collagen were resistant to bone chips, possibly due to tungsten adsorption by collagen.
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Affiliation(s)
- Fan Yang
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, NY 11794-2275, USA; (F.Y.); (K.L.); (S.F.); (M.C.); (M.R.)
| | - Kao Li
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, NY 11794-2275, USA; (F.Y.); (K.L.); (S.F.); (M.C.); (M.R.)
| | - Shi Fu
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, NY 11794-2275, USA; (F.Y.); (K.L.); (S.F.); (M.C.); (M.R.)
| | - Michael Cuiffo
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, NY 11794-2275, USA; (F.Y.); (K.L.); (S.F.); (M.C.); (M.R.)
| | - Marcia Simon
- Department of Oral Biology and Pathology, School of Dental Medicine, Stony Book University, Stony Brook, New York, NY 11794-8702, USA;
| | - Miriam Rafailovich
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, NY 11794-2275, USA; (F.Y.); (K.L.); (S.F.); (M.C.); (M.R.)
| | - Georgios E. Romanos
- Department of Periodontology, School of Dental Medicine, Stony Brook University, Stony Brook, New York, NY 11794-8700, USA
- Correspondence:
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16
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Hadrup N, Sørli JB, Sharma AK. Pulmonary toxicity, genotoxicity, and carcinogenicity evaluation of molybdenum, lithium, and tungsten: A review. Toxicology 2022; 467:153098. [PMID: 35026344 DOI: 10.1016/j.tox.2022.153098] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 12/30/2022]
Abstract
Molybdenum, lithium, and tungsten are constituents of many products, and exposure to these elements potentially occurs at work. Therefore it is important to determine at what levels they are toxic, and thus we set out to review their pulmonary toxicity, genotoxicity, and carcinogenicity. After pulmonary exposure, molybdenum and tungsten are increased in multiple tissues; data on the distribution of lithium are limited. Excretion of all three elements is both via faeces and urine. Molybdenum trioxide exerted pulmonary toxicity in a 2-year inhalation study in rats and mice with a lowest-observed-adverse-effect concentration (LOAEC) of 6.6 mg Mo/m3. Lithium chloride had a LOAEC of 1.9 mg Li/m3 after subacute inhalation in rabbits. Tungsten oxide nanoparticles resulted in a no-observed-adverse-effect concentration (NOAEC) of 5 mg/m3 after inhalation in hamsters. In another study, tungsten blue oxide had a LOAEC of 63 mg W/m3 in rats. Concerning genotoxicity, for molybdenum, the in vivo genotoxicity after inhalation remains unknown; however, there was some evidence of carcinogenicity of molybdenum trioxide. The data on the genotoxicity of lithium are equivocal, and one carcinogenicity study was negative. Tungsten seems to have a genotoxic potential, but the data on carcinogenicity are equivocal. In conclusion, for all three elements, dose descriptors for inhalation toxicity were identified, and the potential for genotoxicity and carcinogenicity was assessed.
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Affiliation(s)
- Niels Hadrup
- National Research Centre for the Working Environment, Lersø Parkallé 105, DK-2100 Copenhagen, Denmark.
| | - Jorid B Sørli
- National Research Centre for the Working Environment, Lersø Parkallé 105, DK-2100 Copenhagen, Denmark.
| | - Anoop K Sharma
- Division for Risk Assessment and Nutrition, Group for Chemical Risk Assessment and GMO, National Food Institute, Technical University of Denmark, Kemitorvet, 201, 031, 2800 Kgs. Lyngby, Denmark.
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17
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Grant MP, Henley N, Dubuissez M, Chen N, Hartmann U, Royal V, Barbier O, Pichette V, Gerarduzzi C. Sub-chronic oral exposure of tungsten induces markers of kidney injury. Am J Physiol Cell Physiol 2021; 322:C205-C217. [PMID: 34852206 DOI: 10.1152/ajpcell.00277.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Tungsten is a naturally occurring transition element used in a broad range of applications. As a result of its extensive use, we are increasingly exposed to tungsten from our environment, including potable water, since tungsten can become bioaccessible in ground sources. The kidneys are particularly susceptible to tungsten exposure as this is the main site for tungsten excretion. In this study, we investigated the prolonged effects of tungsten on the kidneys and how this may impact injury and function. When mice were exposed to tungsten in their drinking water for 1-month, kidney function had not significantly changed. Following 3-month exposure, mice were presented with deterioration in kidney function as determined by serum and urine creatinine levels. During 3-months of tungsten exposure, murine kidneys demonstrated significant increases in the myofibroblast marker ⍺SMA, and extracellular matrix products: fibronectin, collagen, and matricellular proteins. In addition, Masson's trichrome and H&E staining revealed an increase in fibrotic tissue and vacuolization of tubular epithelial cells, respectively, from kidneys of tungsten-treated mice, indicative of renal injury. In vitro treatment of kidney fibroblasts with tungsten led to increased proliferation and upregulation of Transforming Growth Factor Beta 1 (TGFβ1), which was consistent with the appearance of fibroblast-to-myofibroblast transition (FMT) markers. Our data suggest that continuous exposure to tungsten impairs kidney function that may lead to the development of chronic kidney disease (CKD).
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Affiliation(s)
- Michael P Grant
- Department of Orthopaedics, Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, Québec, Canada; Department of Surgery, McGill University, Montréal, Québec, Montreal, Canada
| | - Nathalie Henley
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montréal, Québec, Montreal, Canada
| | - Marion Dubuissez
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montréal, Québec, Canada; Département de microbiologie, infectiologie et immunologie, Montreal, Canada
| | - Nan Chen
- Faculty of Science, University of British Columbia, Vancouver, British Columbia, Vancouver, Canada
| | - Ursula Hartmann
- Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Cologne, Germany
| | - Virginie Royal
- Départment de Pathologie, Hôpital Maisonneuve-Rosemont, Montréal, Québec, Montreal, Canada
| | - Olivier Barbier
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col San Pedro Zacatenco, C.P. 07360, Ciudad de México, CDMX, Mexico, Mexico
| | - Vincent Pichette
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montréal, Québec; Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, Québec; Département de Médecine, Faculté de Médecine, Université de Montréal, Montréal, Québec, Montreal, Canada
| | - Casimiro Gerarduzzi
- Centre de recherche de l'Hôpital Maisonneuve-Rosemont, Faculté de Médecine, Centre affilié à l'Université de Montréal, Montréal, Québec; Département de Pharmacologie et Physiologie, Faculté de Médecine, Université de Montréal, Montréal, Québec; Département de Médecine, Faculté de Médecine, Université de Montréal, Montréal, Québec, Montreal, Canada
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18
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Zhao Q, Guo Q, Luo L, Yan K. Tungsten Accumulation in Hot Spring Sediments Resulting from Preferred Sorption of Aqueous Polytungstates to Goethite. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312629. [PMID: 34886354 PMCID: PMC8656809 DOI: 10.3390/ijerph182312629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 11/16/2022]
Abstract
Geothermal waters usually have elevated tungsten concentrations, making geothermal systems important sources of tungsten in the environment. To study the transport of tungsten in hot springs to hot spring sediment, which is one of the key processes for the release of geothermally derived tungsten to the surface environment, geochemical investigations of the hot springs and their corresponding sediments in Rehai (a representative hydrothermal area in southwestern China) and systematic laboratory experiments of tungstate and polytungstate adsorption onto typical iron-bearing minerals in hot spring sediments (i.e., pyrite and goethite) were conducted. The results demonstrate that considerable tungsten concentrations (i.e., not much less than 10 µg/L), formation of polytungstates under acidic conditions, and enrichment of iron oxide minerals represented by goethite are the prerequisites for extreme enrichment of tungsten in hot spring sediments (e.g., 991 µg/g in the ZZQ spring outflow channel). The absence of any of these conditions would weaken the immobilization of aqueous tungsten and result in higher mobility of tungsten in the hot springs and its further transport downstream, possibly polluting the other natural waters in and around Rehai that serve as local drinking water sources. This study provides an insight for identifying the key geochemical processes controlling the transport and fate of undesirable elements (in this case, tungsten) in geothermal systems.
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19
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VanderSchee CR, Frier D, Kuter D, Mann KK, Jackson BP, Bohle DS. Quantification of local zinc and tungsten deposits in bone with LA-ICP-MS using novel hydroxyapatite-collagen calibration standards. JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 2021; 36:2431-2438. [PMID: 35992610 PMCID: PMC9390078 DOI: 10.1039/d1ja00211b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Tungsten has recently emerged as a potential toxicant and is known to heterogeneously deposit in bone as reactive polytungstates. Zinc, which accumulates in regions of bone remodeling, also has a heterogenous distribution in bone. Determining the local concentrations of these metals will provide valuable information about their mechanisms of uptake and action. A series of bone (BN), 7:3 hydroxyapatite:collagen (HC), and hydroxyapatite (HA) standards were spiked with tungsten and zinc and used as calibration standards for laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analysis of bone tissue. The analytical performance of these standards was studied and validated at different step sizes using NIST SRM 1486 Bone Meal. The effect of matrix-matched calibration was assessed by comparing the calibration with BN and HC standards, which incorporate both inorganic and organic components of bone, to that of HA standards. HC standards were found to be more homogenous (RSD < 10%) and provide a linear calibration with better accuracy (R2 > 0.994) compared to other standards. The limits of detection for HC at a 15 μm step size were determined to be 0.24 and 0.012 μg g-1 for zinc and tungsten, respectively. Using this approach, we quantitatively measured zinc and tungsten deposits in the femoral bone of a mouse exposed to 15 μg mL-1 tungsten for four weeks. Localized concentrations of zinc (942 μg g-1) and tungsten (15.7 μg g-1) at selected regions of enrichment were substantially higher than indicated by bulk measurements of these metals.
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Affiliation(s)
- Cassidy R VanderSchee
- Department of Chemistry, McGill University, Montreal, H3A 0B8, Canada
- Department of Chemistry, The King's University, Edmonton, T6H 2H3, Canada
| | - David Frier
- Department of Chemistry, McGill University, Montreal, H3A 0B8, Canada
| | - David Kuter
- Department of Chemistry, McGill University, Montreal, H3A 0B8, Canada
| | - Koren K Mann
- Lady Davis Institute for Medical Research, Gerald Bronfman Department of Oncology, McGill University, 3755 Cote Ste Catherine Rd, Montreal, H3T 1E2 Canada
| | - Brian P Jackson
- Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, USA
| | - D Scott Bohle
- Department of Chemistry, McGill University, Montreal, H3A 0B8, Canada
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20
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Li M, Zhang F, Li S, Wang X, Liu J, Wang B, Ma Y, Song N. Biotic ligand modeling to predict the toxicity of HWO 4- and WO 42- on wheat root elongation in solution cultures: Effects of pH and accompanying anions. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 222:112499. [PMID: 34246946 DOI: 10.1016/j.ecoenv.2021.112499] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 07/03/2021] [Accepted: 07/05/2021] [Indexed: 06/13/2023]
Abstract
Increasing evidence demonstrates that hexavalent tungsten (W(VI)) can affect the survival of various organisms. This study explored the influences of pH and common anions on W(VI) toxicity on wheat and established a biotic ligand model (BLM) for predicting W(VI) toxicity. It was found that as the pH value increased from 6.0 to 8.5, the EC50[W(VI)]T values increased greatly from 24.7 to 46.6 μM, indicating that increasing pH values can alleviate W(VI) toxicity. A linear relationship between the ratio of HWO4- to WO42- and EC50{WO42-} indicated that WO42- and HWO4- were two toxic species of W(VI). The toxicity of W(VI) decreased as the H2PO4- and SO42- activities increased but not when the activities of Cl- and NO3- increased, demonstrating that the competition from H2PO4- and SO42- significantly influenced W(VI) toxicity. By applying BLM theory, the stability constants for HWO4-, WO42-, H2PO4-, and SO42- were obtained: logKWO4BL = 4.08, logKHWO4BL = 6.44, logKH2PO4BL = 2.09, and logKSO4BL = 1.87, fWBL50% = 0.300, β = 1.99. Results demonstrated that BLM outperformed the free metal activity model(FIAM) in predicting W(VI) toxicity when considering the influences of pH, W(VI) species, and H2PO4- and SO42- competition for active ligand sites.
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Affiliation(s)
- Mengjia Li
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Fangyu Zhang
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Shaojing Li
- College of Science and Information, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Xuexia Wang
- Institute of Plant Nutrition and Resources, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Jun Liu
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Bin Wang
- Institute of Soil Fertilizer and Agricultural Water Saving, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
| | - Yibing Ma
- Macau Environmental Research Institute, Macau University of Science and Technology, Taipa, Macau.
| | - Ningning Song
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao, Shandong 266109, China.
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21
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Miller K, McVeigh CM, Barr EB, Herbert GW, Jacquez Q, Hunter R, Medina S, Lucas SN, Ali AMS, Campen MJ, Bolt AM. Inhalation of tungsten metal particulates alters the lung and bone microenvironments following acute exposure. Toxicol Sci 2021; 184:286-299. [PMID: 34498067 DOI: 10.1093/toxsci/kfab109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Inhalation of tungsten particulates is a relevant route of exposure in occupational and military settings. Exposure to tungsten alloys is associated with increased incidence of lung pathologies, including interstitial lung disease and cancer. We have demonstrated, oral exposure to soluble tungsten enhances breast cancer metastasis to the lungs through changes in the surrounding microenvironment. However, more research is required to investigate if changes in the lung microenvironment, following tungsten particulate exposure, can drive tumorigenesis or metastasis to the lung niche. This study examined if inhalation to environmentally relevant concentrations of tungsten particulates caused acute damage to the microenvironment in the lungs and/or systemically using a whole-body inhalation system. Twenty-four female BALB/c mice were exposed to Filtered Air, 0.60 mg/m3, or 1.7 mg/m3 tungsten particulates (< 1 µm) for 4 h. Tissue samples were collected at day 1 and 7 post-exposure. Tungsten accumulation in the lungs persisted up to 7 days post-exposure and produced acute changes to the lung microenvironment including increased macrophage and neutrophil infiltration, increased levels of pro-inflammatory cytokines IL-1β and CXCL1, and an increased percentage of activated fibroblasts (α-SMA+). Exposure to tungsten also resulted in systemic effects on the bone, including tungsten deposition and transient increases in gene expression of pro-inflammatory cytokines. Taken together, acute whole-body inhalation of tungsten particulates, at levels commonly observed in occupational and military settings, resulted in changes to the lung and bone microenvironments that may promote tumorigenesis or metastasis and be important molecular drivers of other tungsten-associated lung pathologies such as interstitial lung disease.
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Affiliation(s)
- Kara Miller
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Charlotte M McVeigh
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Edward B Barr
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Guy W Herbert
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Quiteria Jacquez
- College of Nursing, University of New Mexico, Albuquerque, NM, 87131
| | - Russell Hunter
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Sebastian Medina
- Department of Biology, New Mexico Highlands University, Las Vegas, NM, 87701
| | - Selita N Lucas
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Abdul-Mehdi S Ali
- Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM, 87131
| | - Matthew J Campen
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
| | - Alicia M Bolt
- College of Pharmacy, Department of Pharmaceutical Sciences, The University of New Mexico, Albuquerque, NM 87131
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22
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Gianì F, Masto R, Trovato MA, Malandrino P, Russo M, Pellegriti G, Vigneri P, Vigneri R. Heavy Metals in the Environment and Thyroid Cancer. Cancers (Basel) 2021; 13:4052. [PMID: 34439207 PMCID: PMC8393334 DOI: 10.3390/cancers13164052] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/26/2021] [Accepted: 08/09/2021] [Indexed: 12/31/2022] Open
Abstract
In recent decades, the incidence of thyroid cancer has increased more than most other cancers, paralleling the generalized worldwide increase in metal pollution. This review provides an overview of the evidence supporting a possible causative link between the increase in heavy metals in the environment and thyroid cancer. The major novelty is that human thyroid stem/progenitor cells (thyrospheres) chronically exposed to different metals at slightly increased environmentally relevant concentrations show a biphasic increase in proliferation typical of hormesis. The molecular mechanisms include, for all metals investigated, the activation of the extracellular signal-regulated kinase (ERK1/2) pathway. A metal mixture, at the same concentration of individual metals, was more effective. Under the same conditions, mature thyrocytes were unaffected. Preliminary data with tungsten indicate that, after chronic exposure, additional abnormalities may occur and persist in thyrocytes derived from exposed thyrospheres, leading to a progeny population of transformation-prone thyroid cells. In a rat model predisposed to develop thyroid cancer, long-term exposure to low levels of metals accelerated and worsened histological signs of malignancy in the thyroid. These studies provide new insight on metal toxicity and carcinogenicity occurring in thyroid cells at a low stage of differentiation when chronically exposed to metal concentrations that are slightly increased, albeit still in the "normal" range.
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Affiliation(s)
- Fiorenza Gianì
- Endocrinology, Garibaldi-Nesima Medical Center, Department of Clinical and Experimental Medicine, University of Catania, 95122 Catania, Italy; (F.G.); (R.M.); (P.M.); (M.R.); (G.P.)
| | - Roberta Masto
- Endocrinology, Garibaldi-Nesima Medical Center, Department of Clinical and Experimental Medicine, University of Catania, 95122 Catania, Italy; (F.G.); (R.M.); (P.M.); (M.R.); (G.P.)
| | | | - Pasqualino Malandrino
- Endocrinology, Garibaldi-Nesima Medical Center, Department of Clinical and Experimental Medicine, University of Catania, 95122 Catania, Italy; (F.G.); (R.M.); (P.M.); (M.R.); (G.P.)
| | - Marco Russo
- Endocrinology, Garibaldi-Nesima Medical Center, Department of Clinical and Experimental Medicine, University of Catania, 95122 Catania, Italy; (F.G.); (R.M.); (P.M.); (M.R.); (G.P.)
| | - Gabriella Pellegriti
- Endocrinology, Garibaldi-Nesima Medical Center, Department of Clinical and Experimental Medicine, University of Catania, 95122 Catania, Italy; (F.G.); (R.M.); (P.M.); (M.R.); (G.P.)
| | - Paolo Vigneri
- Medical Oncology and Center of Experimental Oncology and Hematology, Department of Clinical and Experimental Medicine, University of Catania, A.O.U. Policlinico Vittorio Emanuele, 95125 Catania, Italy;
| | - Riccardo Vigneri
- Endocrinology, Garibaldi-Nesima Medical Center, Department of Clinical and Experimental Medicine, University of Catania, 95122 Catania, Italy; (F.G.); (R.M.); (P.M.); (M.R.); (G.P.)
- Consiglio Nazionale delle Ricerche, Cristallography Institute, Catania Section, via P. Gaifami 18, 95126 Catania, Italy
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23
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Cao Y, Guo Q, Sun W, Liang M. Simultaneous removal of harmful anions from geothermal waters using OH - intercalated Mg-Fe-LDH: batch and field column studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:39345-39356. [PMID: 33759097 DOI: 10.1007/s11356-021-12939-1] [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: 11/12/2020] [Accepted: 02/09/2021] [Indexed: 06/12/2023]
Abstract
Unlike collectively treatable industrial wastewaters where only one or a few pollutants have concentrations much higher than the relevant standards, geothermal waters, in which multiple harmful constituents coexist, are usually discharged dispersedly, provoking a big challenge for their effective treatment. Here, a Mg/Fe layered double hydroxide with OH- intercalated (Mg-Fe-OH-LDH) was synthesized in a mechanochemical way and then applied in the treatment of various types of high-temperature geothermal waters in western Yunnan (China) containing a variety of harmful anions (As, Sb, W, and F) and inducing local environmental pollution. Due to the endothermic nature of removal of aqueous As, Sb, W, and F by Mg-Fe-OH-LDH, the original high temperatures of the geothermal waters could promote their sorption effectively. Batch sorption experiments demonstrated that over 94% and 80% of the As and W removal amounts could be reached within the first 10 and 20 min, respectively. On-site column experiments confirmed that the sorbent could remove the targeted harmful constituents from the investigated geothermal waters efficiently. In fact, the performance of the sorbent in the column studies was even better than that in the batch experiments, which can be ascribed to the continuous impetus for sorption caused by the concentration gradient in the flowing sorption system. Specifically, Mg-Fe-OH-LDH displayed the best sorption performance for As(V) among various harmful constituents, and the sorption of As along with W and F was little affected by the coexisting common anions in the geothermal waters, including Cl-, SO42-, and HCO3-/CO32-. In contrast, the removal of Sb(V) from geothermal waters may be impeded to a certain extent by SO42- and CO32-, which possessed stronger electronegativity or smaller ionic radii. This study is the first attempt to apply Mg-Fe-LDH in treatment of geothermal waters with multiple harmful constituents and sheds a light on providing a practical approach for field treatment of geothermal water-derived pollution.
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Affiliation(s)
- Yaowu Cao
- State Key Laboratory of Biogeology and Environmental Geology & School of Environmental Studies, China University of Geosciences, 430074, Wuhan, Hubei, People's Republic of China
| | - Qinghai Guo
- State Key Laboratory of Biogeology and Environmental Geology & School of Environmental Studies, China University of Geosciences, 430074, Wuhan, Hubei, People's Republic of China.
| | - Weihao Sun
- State Key Laboratory of Biogeology and Environmental Geology & School of Environmental Studies, China University of Geosciences, 430074, Wuhan, Hubei, People's Republic of China
| | - Mengsi Liang
- State Key Laboratory of Biogeology and Environmental Geology & School of Environmental Studies, China University of Geosciences, 430074, Wuhan, Hubei, People's Republic of China
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24
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Sachdeva S, Maret W. Comparative outcomes of exposing human liver and kidney cell lines to tungstate and molybdate. Toxicol Mech Methods 2021; 31:690-698. [PMID: 34320920 DOI: 10.1080/15376516.2021.1956031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Tungsten has no known function in humans and is a relatively new contaminant, whereas molybdenum, its congener in the periodic table, is a nutritionally essential element. In addition to early studies on molybdosis in ruminants, their toxic effects in the form of tungstate and molybdate have been addressed primarily in rodents and are predominantly mediated by inducing oxidative stress in various tissues. The purpose of this study was to evaluate the differences between tungstate and molybdate in human liver (HepG2) and kidney (HEK293) cell lines in terms of retention in cells, effect on reactive oxygen species, and activities of xanthine oxidase and phosphatases. The cell lines were exposed to tungstate or molybdate (1 µM to 10 mM) for 24 h, lysed and analyzed for the above biochemical parameters. Despite the chemical similarity of the two anions, cell-specific differential effects were observed. At all concentrations, tungstate was retained more in HEK293 cells while molybdate was retained more in HepG2 cells. HepG2 cells were more sensitive to tungstate than molybdate, showing reduced viability at concentrations as low as 10 µM. Exposure to either anion resulted in the inhibition of protein tyrosine phosphatases at 1 mM and an increased production of reactive oxygen species (ROS) at 100 µM despite their inhibition of the ROS-producing molybdenum enzyme xanthine oxidase. In conclusion, the results indicate that excess of nutritionally essential molybdate or non-essential tungstate causes toxicity by affecting ROS- and phosphorylation-dependent signaling pathways and ensuing gene expression.
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Affiliation(s)
- Sherry Sachdeva
- Division of Regulatory Toxicology, Defence Research Development Establishment, Gwalior, India
| | - Wolfgang Maret
- Department of Nutritional Sciences, Faculty of Life Sciences and Medicine, School of Life Course Sciences, King's College London, London, UK
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25
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Chou H, Grant MP, Bolt AM, Guilbert C, Plourde D, Mwale F, Mann KK. Tungsten Increases Sex-Specific Osteoclast Differentiation in Murine Bone. Toxicol Sci 2021; 179:135-146. [PMID: 33146397 PMCID: PMC7797767 DOI: 10.1093/toxsci/kfaa165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Tungsten is a naturally occurring metal that is increasingly used in industry and medical devices, and is labeled as an emerging environmental contaminant. Like many metals, tungsten accumulates in bone. Our previous data indicate that tungsten decreases differentiation of osteoblasts, bone-forming cells. Herein, we explored the impact of tungsten on osteoclast differentiation, which function in bone resorption. We observed significantly elevated osteoclast numbers in the trabecular bone of femurs following oral exposure to tungsten in male, but not female mice. In order to explore the mechanism(s) by which tungsten increases osteoclast number, we utilized in vitro murine primary and cell line pre-osteoclast models. Although tungsten did not alter the adhesion of osteoclasts to the extracellular matrix protein, vitronectin, we did observe that tungsten enhanced RANKL-induced differentiation into tartrate-resistant acid phosphatase (TRAP)-positive mononucleated osteoclasts. Importantly, tungsten alone had no effect on differentiation or on the number of multinucleated TRAP-positive osteoclasts. Enhanced RANKL-induced differentiation correlated with increased gene expression of differentiated osteoclast markers Nfatc1, Acp5, and Ctsk. Although tungsten did not alter the RANK surface receptor expression, it did modulate its downstream signaling. Co-exposure of tungsten and RANKL resulted in sustained positive p38 signaling. These findings demonstrate that tungsten enhances sex-specific osteoclast differentiation, and together with previous findings of decreased osteoblastogenesis, implicate tungsten as a modulator of bone homeostasis.
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Affiliation(s)
- Hsiang Chou
- Division of Experimental Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
| | - Michael P Grant
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
| | - Alicia M Bolt
- College of Pharmacy, Department of Pharmaceutical Sciences, University of New Mexico, Albuquerque 87131, New Mexico
| | - Cynthia Guilbert
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
| | - Dany Plourde
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
| | - Fackson Mwale
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
- Department of Experimental Surgery, McGill University, Montreal, Quebec H3G 1A4, Canada
| | - Koren K Mann
- Division of Experimental Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec H3T 1E2, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montreal, Quebec H4A 3T2, Canada
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26
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Hobson C, Kulkarni HV, Johannesson KH, Bednar A, Tappero R, Mohajerin TJ, Sheppard PR, Witten ML, Hettiarachchi GM, Datta S. Origin of tungsten and geochemical controls on its occurrence and mobilization in shallow sediments from Fallon, Nevada, USA. CHEMOSPHERE 2020; 260:127577. [PMID: 32758784 DOI: 10.1016/j.chemosphere.2020.127577] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/21/2020] [Accepted: 06/29/2020] [Indexed: 06/11/2023]
Abstract
Tungsten (W) occurrence and speciation was investigated in sediments collected from Fallon, Nevada where previous studies have linked elevated W levels in human body fluids to an unusual cluster of childhood leukemia cases. The speciation of sedimentary W was determined by μ-XRF mapping and μ-XANES. The W content of the analyzed surface sediments ranged between 81 and 25,908 mg/kg, which is significantly higher than the W content in deeper sediments which ranged from 37 to 373 mg/kg at 30 cm depth. The μ-XANES findings reveal that approximately 20-50% of the total W in the shallow sediment occurs in the metallic form (W0); the rest occurs in the oxide form (WVIO3). Because W0 does not occur naturally, its elevated concentrations in surface sediments point toward a possible local anthropogenic origin. The oxidation of metallic W0 with meteoric waters likely leads to the formation of WVIO3. The chief water-soluble W species was identified as WO42- by chromatographic separation and speciation modeling. These results led us to postulate that W0 particles from a currently unknown but local source(s) is (are) deposited onto the soils and/or surface sediments. The W0 in interaction with meteoric water is oxidized to WVIO3, and as these sediment-water interactions progress, WO42- is formed in the water at pH ∼7. Under pH < 7, and sufficient W concentrations, tungstate tends to polymerize, and polymerized species are less likely to adsorb onto sediments. Polymerized species have lower affinity than monomers, which leads to enhanced mobility of W.
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Affiliation(s)
- Chad Hobson
- Department of Geology, Kansas State University, Manhattan, KS, 66506, USA
| | - Harshad V Kulkarni
- Department of Geology, Kansas State University, Manhattan, KS, 66506, USA; Department of Geological Sciences, University of Texas at San Antonio, San Antonio, TX, 78249, USA.
| | - Karen H Johannesson
- School for the Environment, University of Massachusetts Boston, Boston, MA, 02125, USA
| | - Anthony Bednar
- US Army Engineer Research and Development Center Vicksburg, MS, 39180, USA
| | - Ryan Tappero
- Photon Sciences Dept., Brookhaven National Lab, Upton, NY, 11973, USA
| | - T Jade Mohajerin
- Department of Earth and Environmental Sciences, Tulane University, New Orleans, LA, 70118, USA
| | | | | | | | - Saugata Datta
- Department of Geology, Kansas State University, Manhattan, KS, 66506, USA; Department of Geological Sciences, University of Texas at San Antonio, San Antonio, TX, 78249, USA.
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27
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Chen G, Fu Z, Guo H, Kumar Pradhan S, Hao P. Study of accumulation behaviour of tungsten based composite using electron probe micro analyser for the application in bone tissue engineering. Saudi J Biol Sci 2020; 27:2936-2941. [PMID: 33100849 PMCID: PMC7569116 DOI: 10.1016/j.sjbs.2020.07.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 10/28/2022] Open
Abstract
In this research, a proto-type study we have conducted, where we have synthesized tungsten based composite materials which are tungsten along with combined oxides of other elements like calcium, scandium, barium, and aluminium in the form of powder with bones powder of mice devised by high energy ball mill and later on fabricating high dense pellets by sintering by spark plasma. The particle sizes of the composite materials are found to be 1-2 µm, as evidenced by the electron microscope, suggesting synthesized materials are of micron size. The quantitative and qualitative analysis of sintered pellets are well confirmed by electron probe micro analyzer (EPMA) and energy dispersive X-ray spectrometer (EDS) which illustrate the greater percentage of tungsten presents in the profound scan areas with other elements of the composite. The absence of pores across the 3D geometry suggesting dense sample, which is quite revealed by the X-ray tomography inspection. The prepared sintered pellets from the tungsten based composites are found to be ≈ 99.5% density with the observation of tungsten to be accumulated uniformly across the scan regions along with focussed hot spots as implied by EPMA. This study paves the way, to examine how the tungsten accumulation and the distribution with the other elements for future understanding in bone tissue engineering application and the in vivo specification of tungsten.
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Affiliation(s)
- Gang Chen
- Department of Orthopedics, Binzhou People's Hospital, Binzhou 256610, China
| | - Zheng Fu
- Department of Orthopedics, Binzhou People's Hospital, Binzhou 256610, China
| | - Hongli Guo
- School of Health, Binzhou Polytechnic, Binzhou, Shandong Province 256603, China
| | - Sunil Kumar Pradhan
- School of Physical Science, Indian Institute of Science Education and Research, 760010, India
| | - Pan Hao
- Department of Trauma Center, Central Hospital Affiliated to Shandong First Medical University, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250013, China
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28
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Abstract
The adsorption and desorption process of the tungstate ion was studied in three soils characteristic of the Mediterranean area, with particularly reference to bioavailability pathways. In the three soils examined, the tungstate adsorption was described by a Langmuir-type equation, while the desorption process showed that not all the adsorbed tungstate was released, probably due to the formation of different bonds with the adsorbing soil surfaces. The pH was found to be the main soil property that regulates the adsorption/desorption: The maximum adsorption occurred in the soil with the acidic pH, and the maximum desorption in the most basic soil. In addition, the organic matter content played a fundamental role in the adsorption of tungstate by soils, being positively correlated with the maximum of adsorption. These results indicate that the lowest bioavailability should be expected in the acidic soil characterized by the highest adsorption capacity. This is confirmed by the trend of the maximum buffer capacity (MBC) of soils which is inversely related to bioavailability, and was the highest in the acidic soil and the lowest in the most basic soil. Our data could contribute in drafting environmental regulations for tungsten that are currently lacking for Mediterranean soils.
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29
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Dose dependent changes in oxidative stress, hematological variables, tissue pathology, and apoptosis following chronic sodium tungstate exposure in rats. MEDICINE IN DRUG DISCOVERY 2020. [DOI: 10.1016/j.medidd.2020.100045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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30
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Guan Z, Linsley CS, Hwang I, Yao G, Wu BM, Li X. Novel Zinc / Tungsten Carbide Nanocomposite as Bioabsorbable Implant. MATERIALS LETTERS 2020; 263:127282. [PMID: 32647402 PMCID: PMC7346885 DOI: 10.1016/j.matlet.2019.127282] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
There is a lack of bioabsorbable materials with adequate mechanical strength suitable for implant applications that provide temporary support while tissue integrity is restored, especially for pediatric applications. Bioabsorbable metals have emerged as an attractive choice due to their combination of strength, ductility, and biocompatibility in vivo. Zinc has shown great promise as a bioabsorbable metal, but the weak mechanical properties of pure zinc limit its application as an implant material. This study investigates zinc-tungsten carbide (Zn-WC) nanocomposite as a novel material for bioabsorbable metallic implants. Ultrasound-assisted powder compaction was used to fabricate Zn-WC nanocomposites. This study includes the material characterization of microstructure, microhardness, and degradability. Results showed that tungsten carbide nanoparticles enhanced the mechanical properties of Zn, and maintained the favorable corrosion rate of pure Zn. These results encourage further investigation of Zn-WC nanocomposites for biomedical applications with the ultimate goal of creating safe and efficacious bioabsorbable metallic implants for many clinical applications.
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Affiliation(s)
- Zeyi Guan
- Department of Mechanical and Aerospace Engineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
| | - Chase S. Linsley
- Department of Bioengineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
| | - Injoo Hwang
- Department of Mechanical and Aerospace Engineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
| | - Gongcheng Yao
- Department of Materials Science and Engineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
| | - Benjamin M. Wu
- Department of Bioengineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
- Department of Materials Science and Engineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
- Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA 90095, USA
- Department of Orthopedic Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Xiaochun Li
- Department of Mechanical and Aerospace Engineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
- Department of Materials Science and Engineering, Samueli School of Engineering, University of California, Los Angeles, CA 90095, USA
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31
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Malandrino P, Russo M, Ronchi A, Moretti F, Gianì F, Vigneri P, Masucci R, Pellegriti G, Belfiore A, Vigneri R. Concentration of Metals and Trace Elements in the Normal Human and Rat Thyroid: Comparison with Muscle and Adipose Tissue and Volcanic Versus Control Areas. Thyroid 2020; 30:290-299. [PMID: 31880996 DOI: 10.1089/thy.2019.0244] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background: The concentration of trace elements and metals in the thyroid is the result of exposure, uptake, retention, and clearance. The specificity and selectivity of thyroid capacity to concentrate these elements relative to other tissues are not known. To obtain this information, we measured the tissue concentration of 26 elements in the thyroid, muscle, and fat of euthyroid human subjects and also in normal rats. Methods: At programmed surgery, small (<1 g) tissue fragments were collected in 77 euthyroid subjects. Macroscopically normal thyroid tissue, sternothyroid muscle, and neck subcutaneous fat samples were excised, and thyroid tissue was confirmed to be morphologically normal through microscopy. Tissue specimens (thyroid, hindlimb muscle, and abdominal fat) were also obtained from normal rats. Measurements of trace elements were performed on tissues using inductively coupled plasma mass spectrometry (DRC-ICP-MS). Results: Only 19 of the 26 investigated elements were measurable as 7 elements were below the limit of detection. The ranking concentration in human thyroid tissue, not considering iodide, indicated that Zn, Br, Cu, Cr, Se, and Mn represented over 95% of the measured elements. A similar ranking was observed in the rat thyroid. A comparison with other tissues indicated that in addition to I, also Br, Mn, Se, and Sn were significantly more concentrated in the thyroid, and this was also the case for the recognized carcinogens As, Cd, and Hg. As and Hg, but not Cd (which was not detectable in any of the rat tissues), were also more concentrated in the rat thyroid. Since human thyroid specimens were also obtained from residents of a volcanic area, where environmental pollution may cause human biocontamination, we compared the trace element concentration in specimens from the volcanic area with controls. Many trace elements were slightly, but not significantly, increased in the volcanic area specimens. Conclusions: In the normal human thyroid, many trace elements, including Br, Mn, Se, and Sn, and the recognized carcinogens, As, Cd, and Hg, are significantly more concentrated than in muscle and fat of the same individual. Similar data were observed in rats. The reason for the differential element accumulation in the thyroid is unclear; a better understanding may be useful to further clarify thyroid biology.
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Affiliation(s)
- Pasqualino Malandrino
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Marco Russo
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Anna Ronchi
- Laboratory of Experimental and Clinical Toxicology-Toxicology Unit, Maugeri Clinical Scientific Institute Spa-SC, IRCCS Pavia, Pavia, Italy
| | - Fabiola Moretti
- Institute of Cell Biology and Neurobiology, National Research Council of Italy, Roma, Italy
| | - Fiorenza Gianì
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Paolo Vigneri
- Medical Oncology, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Romilda Masucci
- Surgical Oncology, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Gabriella Pellegriti
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Antonino Belfiore
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Riccardo Vigneri
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
- Section of Catania, Institute of Biostructures and Bioimages of the National Research Council (CNR-IBB), Catania, Italy
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Guilbert C, Chou H, Bolt AM, Wu TH, Luo VM, Orthwein A, Mann KK. A Functional Assay to Assess Toxicity During Murine B Cell Development In Vitro. ACTA ACUST UNITED AC 2019; 83:e91. [PMID: 31851434 DOI: 10.1002/cptx.91] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
B lymphocytes, or B cells, are important players in immunity that produce antigen-specific immunoglobulins. As a result, they are involved in various immune-linked pathologies. To better understand, prevent, or treat B cell-associated disease and immunotoxicity, we developed an in vitro assay to model early murine B cell differentiation within the bone marrow. This model uses sorted B cell precursors cultured on a supporting stromal cell layer, which over time acquire markers of further differentiated B cells, such as surface antigens and rearranged immunoglobulin light chain. Importantly, we utilized our in vitro model to validate our previous observations that xenobiotics, such as tungsten and organotins, alter B cell development in vivo. Furthermore, gene expression can be modulated in this model using retroviral transduction, making it amenable to investigating signaling pathways involved in disruption of B cell differentiation. © 2019 by John Wiley & Sons, Inc. Basic Protocol: Assessment of early B lymphocyte differentiation in vitro Support Protocol: Isolation of murine bone marrow Alternate Protocol 1: Addition of recombinant interleukin-7 Alternate Protocol 2: Genetic manipulation via retroviral transduction.
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Affiliation(s)
- Cynthia Guilbert
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada
| | - Hsiang Chou
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Division of Experimental Medicine, McGill University, Montréal, Québec, Canada
| | - Alicia M Bolt
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico
| | - Ting Hua Wu
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Division of Experimental Medicine, McGill University, Montréal, Québec, Canada
| | - Vincent Mingyi Luo
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Department of Microbiology and Immunology, McGill University, Montréal, Québec, Canada
| | - Alexandre Orthwein
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Division of Experimental Medicine, McGill University, Montréal, Québec, Canada.,Department of Microbiology and Immunology, McGill University, Montréal, Québec, Canada.,Gerald Bronfman Department of Oncology, McGill University, Montréal, Québec, Canada
| | - Koren K Mann
- Lady Davis Institute for Medical Research, Montréal, Québec, Canada.,Division of Experimental Medicine, McGill University, Montréal, Québec, Canada.,Gerald Bronfman Department of Oncology, McGill University, Montréal, Québec, Canada
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Dawood MFA, Azooz MM. Concentration-dependent effects of tungstate on germination, growth, lignification-related enzymes, antioxidants, and reactive oxygen species in broccoli (Brassica oleracea var. italica L.). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:36441-36457. [PMID: 31728946 DOI: 10.1007/s11356-019-06603-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 09/24/2019] [Indexed: 06/10/2023]
Abstract
The phyto-impact of tungstate is not frequently studied like other heavy metals especially in the sight of continuous accumulation of tungstate in the agriculture soils and water. Thus, the present study was aimed to investigate the supplementation of various tungstate concentrations (0, 1, 5, 10, 50, and 100) to germination water (mg L-1) or clay soil (mg kg-1) on germination and metabolism of broccoli. Lower concentrations (1-10 mg L-1) accelerated germination process and reciprocally were recorded at the highest one (100 mg L-1). The promoter effect of lower concentrations on seedlings growing on tungstate contaminated soil was underpinned from enhancement of pigments, metabolites, enzymatic and non-enzymatic antioxidants, and nitrate reductase. However, the highest concentration-noxious impacts perceived from oxidative damage and membrane integrity deregulation accompanied with no gain from increment of proline, superoxide dismutase, and glutathione-S-transferase. The depletion of phytochelatins and nitric oxide jointed with the enhancement of peroxidases, polyphenol oxidase, and phenylalanine ammonia-lyase at higher concentration reinforced lignin production which restricted plant growth. The results supported the hormetic effects of tungstate (beneficial at low concentrations and noxious at high concentration) on morphological and physiological parameters of broccoli seedlings. The stimulatory effect of tungstate on metabolic activities could serve as important components of antioxidative defense mechanism against tungstate toxicity.
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Affiliation(s)
- Mona F A Dawood
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
| | - Mohamed M Azooz
- Botany and Microbiology Department, Faculty of Science, South Valley University, Qena, 83523, Egypt
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VanderSchee CR, Kuter D, Chou H, Jackson BP, Mann KK, Bohle DS. Addressing K/L-edge overlap in elemental analysis from micro-X-ray fluorescence: bioimaging of tungsten and zinc in bone tissue using synchrotron radiation and laser ablation inductively coupled plasma mass spectrometry. Anal Bioanal Chem 2019; 412:259-265. [PMID: 31776641 DOI: 10.1007/s00216-019-02244-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/01/2019] [Accepted: 10/28/2019] [Indexed: 01/21/2023]
Abstract
Synchrotron radiation micro-X-ray fluorescence (SR-μXRF) is a powerful elemental mapping technique that has been used to map tungsten and zinc distribution in bone tissue. However, the heterogeneity of the bone samples along with overlap of the tungsten L-edge with the zinc K-edge signals complicates SR-μXRF data analysis, introduces minor artefacts into the resulting element maps, and decreases image sensitivity and resolution. To confirm and more carefully delineate these SR-μXRF results, we have employed laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) to untangle the problem created by the K/L-edge overlap of the tungsten/zinc pair. While the overall elemental distribution results are consistent between the two techniques, LA-ICP-MS provides significantly higher sensitivity and image resolution compared with SR-μXRF measurements in bone. These improvements reveal tissue-specific distribution patterns of tungsten and zinc in bone, not observed using SR-μXRF. We conclude that probing elemental distribution in bone is best achieved using LA-ICP-MS, though SR-μXRF retains the advantage of being a non-destructive method with the capability of being paired with X-ray techniques, which determine speciation in situ. Since tungsten is an emerging contaminant recently found to accumulate in bone, accurately determining its distribution and speciation in situ is essential for directing toxicological studies and informing treatment regimes. Graphical abstract Tungsten and zinc localization and uptake in mouse femurs were imaged by synchrotron radiation, left, and by laser ablation ICP-MS, right. The increased resolution of the LA-ICP-MS technique resolves the problem of the overlap in tungsten's L-edge and zinc's K-edge.
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Affiliation(s)
| | - David Kuter
- Department of Chemistry, McGill University, Montreal, H3A0B8, Canada
| | - Hsiang Chou
- Lady Davis Institute for Medical Research, McGill University, 3755 Cote Ste Catherine Rd, Montreal, H3T 1E2, Canada
| | - Brian P Jackson
- Department of Earth Sciences, Dartmouth College, Hanover, NH, 03755, USA
| | - Koren K Mann
- Lady Davis Institute for Medical Research, McGill University, 3755 Cote Ste Catherine Rd, Montreal, H3T 1E2, Canada
| | - D Scott Bohle
- Department of Chemistry, McGill University, Montreal, H3A0B8, Canada.
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Li R, Wang W, Wang S, Lin C, Wang X, Meng L, Yuan X. Comparison of two sequential extraction procedures for tungsten fractionation in the tungsten mining soils. RSC Adv 2019; 9:35456-35462. [PMID: 35528076 PMCID: PMC9074636 DOI: 10.1039/c9ra07158j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 10/28/2019] [Indexed: 11/21/2022] Open
Abstract
Two sequential extraction procedures including Tessier and Wenzel schemes have been evaluated for the study of tungsten fractionation in soil samples adjacent to the World's largest and longest-operating tungsten mines in China. The efficiency and suitability of two methods and the corresponding extraction steps for partitioning tungsten were compared. Results showed the Tessier scheme classical for cation metals was inappropriate for tungsten fractionation. Although the percentage of readily bioavailable tungsten fractions extracted by the Tessier method is comparable to the Wenzel method, the Tessier scheme still has some drawbacks for partitioning tungsten mainly arising from the lack of selectivity of some of the reagents used. The Wenzel scheme has higher extraction recovery and efficiency than the Tessier method, especially for extracting amorphous and crystalline oxyhydroxides which were mainly responsible for tungsten retention. As a final conclusion, the study indicated that the Wenzel scheme should be more suitable for tungsten fractionation, but we need to make further improvement on the Wenzel scheme by supplementing the extraction stage for the oxidisable fraction to find a reliable and easy to use method to characterize tungsten forms in all soil samples to provide valuable information for risk assessment.
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Affiliation(s)
- Ruiping Li
- School of Geography and Tourism, Qufu Normal University Rizhao Campus Rizhao China +86 10 3980705
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University Beijing China +86 10 58801858 +86 10 58801858
| | - Wenjie Wang
- School of Geography and Tourism, Qufu Normal University Rizhao Campus Rizhao China +86 10 3980705
| | - Shiliang Wang
- School of Geography and Tourism, Qufu Normal University Rizhao Campus Rizhao China +86 10 3980705
| | - Chunye Lin
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University Beijing China +86 10 58801858 +86 10 58801858
| | - Xiangyi Wang
- School of Geography and Tourism, Qufu Normal University Rizhao Campus Rizhao China +86 10 3980705
| | - Lingchuan Meng
- School of Geography and Tourism, Qufu Normal University Rizhao Campus Rizhao China +86 10 3980705
| | - Xianlong Yuan
- Rizhao Environmental Monitoring Station Rizhao China
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Influence of Increasing Tungsten Concentrations and Soil Characteristics on Plant Uptake: Greenhouse Experiments with Zea mays. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9193998] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Tungsten is largely used in high-tech and military industries. Soils are increasingly enriched in this element, and its transfer in the food chain is an issue of great interest. This study evaluated the influence of soil characteristics on tungsten uptake by Zea mays grown on three soils, spiked with increasing tungsten concentrations. The soils, classified as Histosol, Vertisol, and Fluvisol, are characteristic of the Mediterranean area. The uptake of the element by Zea mays was strictly dependent on the soil characteristics. As the pH of soils increases, tungsten concentrations in the roots and shoots of the plants increased. Also, humic substances showed a great influence on tungsten uptake, which decreased with increasing organic matter of soils. Tungsten uptake by Zea mays can be described by a Freundlich-like equation. This soil-to-plant transfer model may be useful in promoting environmental regulations on the hazards of this element in the environment.
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Cao Y, Guo Q, Shu Z, Jiao C, Luo L, Guo W, Zhao Q, Yin Z. Tungstate removal from aqueous solution by nanocrystalline iowaite: An iron-bearing layered double hydroxide. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:118-127. [PMID: 30669079 DOI: 10.1016/j.envpol.2019.01.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 01/05/2019] [Accepted: 01/08/2019] [Indexed: 06/09/2023]
Abstract
Tungstate enrichment in aquatic systems may cause negative environmental and health effects. This study addresses tungstate removal from aqueous solution by nanocrystalline iowaite, an iron-bearing layered double hydroxide, which has not been used for treatment of tungstate-rich waters so far. Tungstate sorption experiments were conducted with various contact times, temperatures, initial tungstate concentrations (0.001-2 mM), and solution pH values (2-13), the results indicating that iowaite sorbed aqueous tungstate effectively and quickly, and the sorption maximum can be up to 71.9 mg/g. Moreover, the tungsten sorption capacity keeps nearly constant at a wide pH range from 3 to 11. Duo to its pH buffering effect, the alkaline conditions were generated by the addition of iowaite, which are favorable for the removal of aqueous tungstate because the polymerization of tungstate can be prohibited at alkaline pH values. Zeta potential, XRD and XPS analyses were employed to clarify the sorption mechanisms, and it was concluded that tungstate was sorbed via its exchange with the chloride originally intercalated into iowaite interlayers as well as its stronger inner-sphere complexation with the Fe atoms located in iowaite layers. Nanocrystalline iowaite is suitable for treating both tungstate-bearing natural waters with moderately high tungstate concentrations and industrial wastewaters extremely rich in tungstate.
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Affiliation(s)
- Yaowu Cao
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China
| | - Qinghai Guo
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China.
| | - Zhu Shu
- Faculty of Materials Science and Chemistry, China University of Geosciences, 430074, Wuhan, Hubei, PR China
| | - Cong Jiao
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China
| | - Li Luo
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China
| | - Wei Guo
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China
| | - Qian Zhao
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China
| | - Zuowei Yin
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies & Gemological Institute, China University of Geosciences, 430074, Wuhan, Hubei, PR China.
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Wu TH, Bolt AM, Chou H, Plourde D, De Jay N, Guilbert C, Young YK, Kleinman CL, Mann KK. Tungsten Blocks Murine B Lymphocyte Differentiation and Proliferation Through Downregulation of IL-7 Receptor/Pax5 Signaling. Toxicol Sci 2019; 170:45-56. [DOI: 10.1093/toxsci/kfz080] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ting Hua Wu
- Lady Davis Institute for Medical Research
- Department of Experimental Medicine
| | - Alicia M Bolt
- Lady Davis Institute for Medical Research
- Department of Oncology
| | - Hsiang Chou
- Lady Davis Institute for Medical Research
- Department of Experimental Medicine
| | | | - Nicolas De Jay
- Lady Davis Institute for Medical Research
- Department of Human Genetics, McGill University, Montréal, Québec, Canada
| | | | | | - Claudia L Kleinman
- Lady Davis Institute for Medical Research
- Department of Human Genetics, McGill University, Montréal, Québec, Canada
| | - Koren K Mann
- Lady Davis Institute for Medical Research
- Department of Experimental Medicine
- Department of Oncology
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Guo Q, Li Y, Luo L. Tungsten from typical magmatic hydrothermal systems in China and its environmental transport. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 657:1523-1534. [PMID: 30677918 DOI: 10.1016/j.scitotenv.2018.12.146] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 11/27/2018] [Accepted: 12/10/2018] [Indexed: 06/09/2023]
Abstract
Tungsten is of extraordinarily high concentrations in the geothermal waters discharging from several representative Tibetan magmatic hydrothermal systems (up to 1103 μg/L), which are also characterized by exceptionally high W/Mo molar ratios (up to 1182). The geochemical origins of the tungsten in these geothermal waters were investigated, with a comparison to those from Rehai, the sole magmatic hydrothermal system in Yunnan, which is another major part of the Yunnan-Sichuan-Tibet Geothermal Province of China. The results show that the lithology of reservoir host rocks is the primary factor controlling the tungsten concentrations of the geothermal waters, although the contribution of magmatic fluid input cannot be ruled out. In this study, the geothermal waters are generally rich in sulfide, and therefore the molybdenum in the reservoir fluids has been substantially precipitated as the form of molybdenite; in contrast, the reservoir fluids are well undersaturated with respect to tungstenite which is much more soluble than molybdenite. Thus the neutral/alkaline hot springs, i.e. the evolved reservoir fluids, have high W/Mo molar ratios as well. In the hot spring sediments, the distribution pattern of tungsten is quite different. The concentrations of tungsten are the highest in the sediments with high iron concentrations collected from the acid hot spring vents and outflow channels. The adsorption of aqueous tungsten onto iron-bearing minerals, like goethite or pyrite, is favorable at acid pH values and thereby responsible for the very high tungsten concentrations of these acid hot spring sediments. The proportions of thiotungstates in total tungsten are quite low for all the hot springs, as indicated by thermodynamic calculations, suggesting that thiolation of tungstate has little impacts on the environmental transport and fate of geothermal tungsten in the investigated hydrothermal areas. This is the first study to report the tungsten geochemistry of hot springs in mainland China.
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Affiliation(s)
- Qinghai Guo
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, 430074 Wuhan, Hubei, PR China.
| | - Yumei Li
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, 430074 Wuhan, Hubei, PR China
| | - Li Luo
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, 430074 Wuhan, Hubei, PR China
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Adamakis IDS, Eleftheriou EP. Structural Evidence of Programmed Cell Death Induction by Tungsten in Root Tip Cells of Pisum sativum. PLANTS (BASEL, SWITZERLAND) 2019; 8:E62. [PMID: 30862127 PMCID: PMC6473820 DOI: 10.3390/plants8030062] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/27/2019] [Accepted: 03/06/2019] [Indexed: 01/22/2023]
Abstract
Previous studies have shown that excess tungsten (W), a rare heavy metal, is toxic to plant cells and may induce a kind of programmed cell death (PCD). In the present study we used transmission electron microscopy (TEM) and confocal laser scanning microscopy (CLSM) to investigate the subcellular malformations caused by W, supplied as 200 mg/L sodium tungstate (Na₂WO₄) for 12 or 24 h, in root tip cells of Pisum sativum (pea), The objective was to provide additional evidence in support of the notion of PCD induction and the presumed involvement of reactive oxygen species (ROS). It is shown ultrastructurally that W inhibited seedling growth, deranged root tip morphology, induced the collapse and deformation of vacuoles, degraded Golgi bodies, increased the incidence of multivesicular and multilamellar bodies, and caused the detachment of the plasma membrane from the cell walls. Plastids and mitochondria were also affected. By TEM, the endoplasmic reticulum appeared in aggregations of straight, curved or concentric cisternae, frequently enclosing cytoplasmic organelles, while by CLSM it appeared in bright ring-like aggregations and was severely disrupted in mitotic cells. However, no evidence of ROS increase was obtained. Overall, these findings support the view of a W-induced vacuolar destructive PCD without ROS enhancement.
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Affiliation(s)
| | - Eleftherios P Eleftheriou
- Department of Botany, School of Biology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece.
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Grau-Perez M, Zhao J, Pierce B, Francesconi KA, Goessler W, Zhu Y, An Q, Umans J, Best L, Cole SA, Navas-Acien A, Tellez-Plaza M. Urinary metals and leukocyte telomere length in American Indian communities: The Strong Heart and the Strong Heart Family Study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 246:311-318. [PMID: 30557805 PMCID: PMC6363843 DOI: 10.1016/j.envpol.2018.12.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 12/02/2018] [Accepted: 12/04/2018] [Indexed: 05/03/2023]
Abstract
INTRODUCTION While several mechanisms may explain metal-related health effects, the exact cellular processes are not fully understood. We evaluated the association between leukocyte telomere length (LTL) and urine arsenic (ΣAs), cadmium (Cd) and tungsten (W) exposure in the Strong Heart Study (SHS, N = 1702) and in the Strong Heart Family Study (SHFS, N = 1793). METHODS Urine metal concentrations were measured using ICP-MS. Arsenic exposure was assessed as the sum of inorganic arsenic, monomethylarsonate and dimethylarsinate levels (ΣAs). LTL was measured by quantitative polymerase chain reaction. RESULTS In the SHS, median levels were 1.09 for LTL, and 8.8, 1.01 and 0.11 μg/g creatinine for ΣAs, Cd, and W, respectively. In the SHFS, median levels were 1.01 for LTL, and 4.3, 0.44, and 0.10 μg/g creatinine. Among SHS participants, increased urine ΣAs, Cd, and W was associated with shorter LTL. The adjusted geometric mean ratio (95% confidence interval) of LTL per an increase equal to the difference between the percentiles 90th and 10th in metal distributions was 0.85 (0.79, 0.92) for ΣAs, 0.91 (0.84, 1.00) for Cd and 0.93 (0.88, 0.98) for W. We observed no significant associations among SHFS participants. The findings also suggest that the association between arsenic and LTL might be differential depending on the exposure levels or age. CONCLUSIONS Additional research is needed to confirm the association between metal exposures and telomere length.
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Affiliation(s)
- Maria Grau-Perez
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA; Area of Cardiometabolic and Renal Risk, Biomedical Research Institute Hospital Clinic of Valencia (INCLIVA), Valencia, Spain.
| | - Jinying Zhao
- Department of Epidemiology, College of Public Health and Health Professions, College of Medicine, University of Florida, Gainesville, FL, USA; Public Health Research, Division of Community Health Promotion, Florida Department of Health, Tallahassee, FL, USA
| | - Brandon Pierce
- Department of Public Health Sciences, University of Chicago, Chicago, IL, USA
| | | | | | - Yun Zhu
- Department of Epidemiology, College of Public Health and Health Professions, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Qiang An
- Public Health Research, Division of Community Health Promotion, Florida Department of Health, Tallahassee, FL, USA
| | - Jason Umans
- Georgetown-Howard Universities Center for Clinical and Translational Science, Washington DC, USA; MedStar Health Research Institute, Hyattsville, MD, USA
| | - Lyle Best
- Department of Epidemiology, Missouri Breaks Industries Research Inc., Timber Lake, SD, USA
| | - Shelley A Cole
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Ana Navas-Acien
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA; Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD, USA.
| | - Maria Tellez-Plaza
- Area of Cardiometabolic and Renal Risk, Biomedical Research Institute Hospital Clinic of Valencia (INCLIVA), Valencia, Spain; Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD, USA; Department of Chronic Diseases Epidemiology, National Center for Epidemiology, Carlos III Health Institutes, Madrid, Spain
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Sallman B, Rakshit S, Lefèvre G. Influence of phosphate on tungstate sorption on hematite: A macroscopic and spectroscopic evaluation of the mechanism. CHEMOSPHERE 2018; 213:596-601. [PMID: 30290330 DOI: 10.1016/j.chemosphere.2018.09.157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 09/23/2018] [Accepted: 09/27/2018] [Indexed: 06/08/2023]
Abstract
The environmental fate of the tungstate (VI) oxyanion [ e.g. mono tungstate and several polytungstate, generally expressed by W (VI)] is largely controlled by sorption on soil minerals, especially on iron oxide minerals. Molecular scale evaluation of W (VI) retention on iron oxides in the presence of competing oxyanions is scarce in literature. Here we report surface interaction mechanisms of W (VI) on hematite in the presence of phosphate (P) using macroscopic and in situ attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopic experiments. Batch sorption experiments were conducted using 2 g L-1 hematite and 100 μM W (VI) and P, in single ion system and in binary mixtures as a function of pH (4-11). In situ ATR-FTIR spectroscopic evaluation of P and W (VI) sorption on hematite was also carried out. The results from macroscopic experiments indicated that W (VI) sorption on hematite was not affected by P when W (VI) was added first. The influence of P on W (VI) sorption was noticed when W (VI) & P were added simultaneously or P was added first. The in situ ATR-FTIR spectroscopic data corroborated these findings. In addition, the spectroscopic data revealed that in the presence of P, the surface complexation mode of W (VI) differed as noted from either the absence of WO antisymmetric infrared (IR) band or the WOW stretching band. This study provides useful information on molecular level understanding of W (VI) surface complexation on hematite in the presence of competing ions such as P.
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Affiliation(s)
- Bryan Sallman
- Department of Agricultural and Environmental Sciences, Tennessee State University, 3500 John A. Merritt Blvd., Nashville, TN 37209-1561, USA
| | - Sudipta Rakshit
- Department of Agricultural and Environmental Sciences, Tennessee State University, 3500 John A. Merritt Blvd., Nashville, TN 37209-1561, USA.
| | - Grégory Lefèvre
- Institut de Recherche de Chimie Paris, CNRS-Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005, Paris, France
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Bertinat R, Westermeier F, Gatica R, Nualart F. Sodium tungstate: Is it a safe option for a chronic disease setting, such as diabetes? J Cell Physiol 2018; 234:51-60. [DOI: 10.1002/jcp.26913] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 06/13/2018] [Indexed: 12/24/2022]
Affiliation(s)
- Romina Bertinat
- Centro de Microscopía Avanzada, CMA Bio‐Bio Facultad de Ciencias Biológicas, Universidad de Concepción Concepción Chile
| | - Francisco Westermeier
- Department of Health Studies Institute of Biomedical Science, FH JOANNEUM Gesellschaft mbH University of Applied Sciences Graz Austria
- Facultad de Ciencia, Universidad San Sebastián Santiago Chile
| | - Rodrigo Gatica
- Laboratorio de Patología Veterinaria Escuela de Veterinaria, Facultad de Ciencias, Universidad Mayor Santiago Chile
| | - Francisco Nualart
- Centro de Microscopía Avanzada, CMA Bio‐Bio Facultad de Ciencias Biológicas, Universidad de Concepción Concepción Chile
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Baker AH, Wu TH, Bolt AM, Gerstenfeld LC, Mann KK, Schlezinger JJ. From the Cover: Tributyltin Alters the Bone Marrow Microenvironment and Suppresses B Cell Development. Toxicol Sci 2018; 158:63-75. [PMID: 28398592 DOI: 10.1093/toxsci/kfx067] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Organotins are industrial chemicals and agricultural pesticides, and they contaminate both outdoor and indoor environments. Organotins are detectable in human sera at biologically active concentrations and are immuno-and neuro-toxicants. Triphenyltin, tributyltin (TBT) and dibutyltin activate peroxisome proliferator-activated receptor γ in bone marrow multipotent mesenchymal stromal cells and promote adipogenesis. TBT also has been shown to suppress osteogenesis; osteoblasts not only support bone homeostasis but also support B lymphopoiesis. In addition, developing B cells are highly sensitive to exogenous insults. Thus, we hypothesized that bone marrow B cells may be negatively affected by TBT exposure both directly, through activation of apoptosis, and indirectly, through alterations of the bone marrow microenvironment. TBT activated apoptosis in developing B cells at environmentally relevant concentrations (as low as 80 nM) in vitro, via a mechanism that is distinct from that induced by high dose (μM) TBT and that requires p53. TBT suppressed the proliferation of hematopoietic cells in an ex vivo bone marrow model. Concurrent treatment of stromal cells and B cells or pretreatment of stromal cells with TBT induced adipogenesis in the stromal cells and reduced the progression of B cells from the early pro B (Hardy fraction B) to the pre B stage (Hardy fraction D). In vivo, TBT induced adipogenesis in bone marrow, reduced "aging-sensitive" AA4+CD19+ B cells in bone marrow, and reduced splenic B cell numbers. Immunosenescence and osteoporosis are adverse health effects of aging, we postulate that TBT exposure may mimic, and possibly intensify, these pathologies.
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Affiliation(s)
- Amelia H Baker
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Ting Hua Wu
- Lady Davis Institute for Medical Research, Department of Oncology, McGill University, Montréal, Québec, Canada
| | - Alicia M Bolt
- Lady Davis Institute for Medical Research, Department of Oncology, McGill University, Montréal, Québec, Canada
| | - Louis C Gerstenfeld
- Department of Orthopaedic Surgery, Boston University School of Medicine, Boston, Massachusetts
| | - Koren K Mann
- Lady Davis Institute for Medical Research, Department of Oncology, McGill University, Montréal, Québec, Canada
| | - Jennifer J Schlezinger
- Department of Environmental Health, Boston University School of Public Health, Boston, Massachusetts
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Abstract
PURPOSE OF REVIEW Tungsten is an emerging environmental toxicant, yet our understanding of the potential risks of exposure on human health is still limited. RECENT FINDINGS In this review, we will discuss populations most at risk of exposure to high concentrations of tungsten. In addition, we will highlight what is known about the toxicity profile of tungsten compounds, based on epidemiological, in vitro, and in vivo studies, focusing on bone, immune, pulmonary, and cancer outcomes. Of note, emerging evidence indicates that tungsten can augment the effects of other stimulants, stressors, and toxicants. Of particular importance may be tungsten-cobalt mixtures that seem to be more toxic than either metal alone. This is important because it means that we cannot just evaluate the toxicity of tungsten in isolation. Finally, we still have limited information of how many of the in vitro and in vivo findings translate to human populations, so it will be important to conduct epidemiology studies in highly exposed populations to adequately address the potential risks of tungsten exposure on human health. Together, we discuss recent findings that support further investigation into the toxicities of tungsten alone and in combination with other metals.
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Petruzzelli G, Pedron F. Tungstate adsorption onto Italian soils with different characteristics. ENVIRONMENTAL MONITORING AND ASSESSMENT 2017; 189:379. [PMID: 28685371 DOI: 10.1007/s10661-017-6088-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 06/20/2017] [Indexed: 06/07/2023]
Abstract
The study of tungsten in the environment is currently of considerable interest because of the growing concerns resulting from its possible toxicity and carcinogenicity. Adsorption reactions are some of the fundamental processes governing the fate and transport of tungsten compounds in soil. This paper reports data on the adsorption of tungstate ions in three different Italian soils, which are characteristic of the Mediterranean region. The results show that pH is the most important factor governing the adsorption of tungstate in these soils. The data interpreted according to the Langmuir equation show that the maximum value of adsorption is approximately 30 mmol kg-1 for the most acidic soil (pH = 4.50) and approximately 9 mmol kg-1 for the most basic soil (pH = 7.40). In addition, soil organic matter is shown to play a fundamental role in adsorption processes, which are favored in soils with a higher organic matter content. The data could contribute to a better understanding of the behavior of tungsten compounds in Italian soils for which current knowledge is very scarce, also in view of environmental regulations, which are currently lacking.
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Affiliation(s)
| | - Francesca Pedron
- Institute of Ecosystem Studies, National Council of Research, Pisa, Italy
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Rakshit S, Sallman B, Davantés A, Lefèvre G. Tungstate (VI) sorption on hematite: An in situ ATR-FTIR probe on the mechanism. CHEMOSPHERE 2017; 168:685-691. [PMID: 27836284 DOI: 10.1016/j.chemosphere.2016.11.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 08/16/2016] [Accepted: 11/02/2016] [Indexed: 06/06/2023]
Abstract
Owing to the suspected toxicity and carcinogenicity of tungstate (VI) oxyanions [i.e. mono tungstate and several polytungstate, generally represented by W (VI)], the environmental fate of W (VI) has been widely studied. Sorption is regarded as a major mechanism by which W (VI) species are retained in the solid/water interface. Iron (hydr)oxides have been considered important environmental sinks for W (VI) species. Here we report sorption mechanisms of W (VI) on a common iron oxide mineral-hematite under environmentally relevant solution properties using in situ attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopic probes. Initial W (VI) loadings varied from 10 to 200 μM at fixed pH values ranged from 4.6 to 8.1. For pH envelop (pHs = 4.6, 5.0, 5.5, 6.0, 6.5, 7.5, and 8.1) experiments, fixed W (VI) concentrations (i.e. 10 & 200 μM) were used to understand the effects of pH. The results indicated that at acidic pH values (pH < 6.0) the sorbed polytungstate surface species are prominent at 200 μM initial W (VI) conc. The pH envelop experiments revealed that sorbed polytungstates can be present even at lower initial W (VI) conc. (i.e. 10 μM) at pH values <5.5. Overall, our in situ ATR-FTIR experiments indicated that W (VI) forms inner-sphere type bonds on hematite surface and the strength of the interaction increases with decreasing pH. In addition, initial W (VI) concentration affected the sorption mechanisms of W (VI) on hematite. Our study will aid the molecular level understanding of W (VI) retention on iron oxide surfaces.
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Affiliation(s)
- Sudipta Rakshit
- Department of Agricultural and Environmental Sciences, Tennessee State University, 3500 John A. Merritt Blvd., Nashville, TN 37209-1561, USA.
| | - Bryan Sallman
- Department of Agricultural and Environmental Sciences, Tennessee State University, 3500 John A. Merritt Blvd., Nashville, TN 37209-1561, USA
| | - Athénais Davantés
- PSL Research University, Chimie Paris Tech-CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
| | - Grégory Lefèvre
- PSL Research University, Chimie Paris Tech-CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
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Khader A, Sherman LS, Rameshwar P, Arinzeh TL. Sodium Tungstate for Promoting Mesenchymal Stem Cell Chondrogenesis. Stem Cells Dev 2016; 25:1909-1918. [PMID: 27615276 PMCID: PMC5165671 DOI: 10.1089/scd.2016.0158] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Accepted: 09/09/2016] [Indexed: 02/07/2023] Open
Abstract
Articular cartilage has a limited ability to heal. Mesenchymal stem cells (MSCs) derived from the bone marrow have shown promise as a cell type for cartilage regeneration strategies. In this study, sodium tungstate (Na2WO4), which is an insulin mimetic, was evaluated for the first time as an inductive factor to enhance human MSC chondrogenesis. MSCs were seeded onto three-dimensional electrospun scaffolds in growth medium (GM), complete chondrogenic induction medium (CCM) containing insulin, and CCM without insulin. Na2WO4 was added to the media leading to final concentrations of 0, 0.01, 0.1, and 1 mM. Chondrogenic differentiation was assessed by biochemical analyses, immunostaining, and gene expression. Cytotoxicity using human peripheral blood mononuclear cells (PBMCS) was also investigated. The chondrogenic differentiation of MSCs was enhanced in the presence of low concentrations of Na2WO4 compared to control, without Na2WO4. In the induction medium containing insulin, cells in 0.01 mM Na2WO4 produced significantly higher sulfated glycosaminoglycans, collagen type II, and chondrogenic gene expression than all other groups at day 28. Cells in 0.1 mM Na2WO4 had significantly higher collagen II production and significantly higher sox-9 and aggrecan gene expression compared to control at day 28. Cells in GM and induction medium without insulin containing low concentrations of Na2WO4 also expressed chondrogenic markers. Na2WO4 did not stimulate PBMC proliferation or apoptosis. The results demonstrate that Na2WO4 enhances chondrogenic differentiation of MSCs, does not have a toxic effect, and may be useful for MSC-based approaches for cartilage repair.
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Affiliation(s)
- Ateka Khader
- 1 Department of Biomedical Engineering, New Jersey Institute of Technology , Newark, New Jersey
| | - Lauren S Sherman
- 2 Department of Medicine-Hematology/Oncology, Rutgers-New Jersey Medical School , Newark, New Jersey
| | - Pranela Rameshwar
- 2 Department of Medicine-Hematology/Oncology, Rutgers-New Jersey Medical School , Newark, New Jersey
| | - Treena L Arinzeh
- 1 Department of Biomedical Engineering, New Jersey Institute of Technology , Newark, New Jersey
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Guan DX, Williams PN, Xu HC, Li G, Luo J, Ma LQ. High-resolution measurement and mapping of tungstate in waters, soils and sediments using the low-disturbance DGT sampling technique. JOURNAL OF HAZARDOUS MATERIALS 2016; 316:69-76. [PMID: 27209520 DOI: 10.1016/j.jhazmat.2016.05.026] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 05/03/2016] [Accepted: 05/08/2016] [Indexed: 06/05/2023]
Abstract
Increasing tungsten (W) use for industrial and military applications has resulted in greater W discharge into natural waters, soils and sediments. Risk modeling of W transport and fate in the environment relies on measurement of the release/mobilization flux of W in the bulk media and the interfaces between matrix compartments. Diffusive gradients in thin-films (DGT) is a promising passive sampling technique to acquire such information. DGT devices equipped with the newly developed high-resolution binding gels (precipitated zirconia, PZ, or ferrihydrite, PF, gels) or classic/conventional ferrihydrite slurry gel were comprehensively assessed for measuring W in waters. (Ferrihydrite)DGT can measure W at various ionic strengths (0.001-0.5molL(-1) NaNO3) and pH (4-8), while (PZ)DGT can operate across slightly wider environmental conditions. The three DGT configurations gave comparable results for soil W measurement, showing that typically W resupply is relatively poorly sustained. 1D and 2D high-resolution W profiling across sediment-water and hotspot-bulk media interfaces from Lake Taihu were obtained using (PZ)DGT coupled with laser ablation ICP-MS measurement, and the apparent diffusion fluxes across the interfaces were calculated using a numerical model.
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Affiliation(s)
- Dong-Xing Guan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Paul N Williams
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 7BL, United Kingdom
| | - Hua-Cheng Xu
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Gang Li
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Jun Luo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
| | - Lena Q Ma
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; Soil and Water Science Department, University of Florida, Gainesville, FL 32611, USA
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