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Desjardins K, Ponton DE, Bilodeau F, Rosabal M, Amyot M. Methylmercury in northern pike (Esox lucius) liver and hepatic mitochondria is linked to lipid peroxidation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172703. [PMID: 38703851 DOI: 10.1016/j.scitotenv.2024.172703] [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: 01/29/2024] [Revised: 04/05/2024] [Accepted: 04/21/2024] [Indexed: 05/06/2024]
Abstract
Methylmercury (MeHg) readily bioaccumulates and biomagnifies in aquatic food webs leading to elevated concentrations in fish and may thus induce toxicity. Oxidative stress is a suggested effect of MeHg bioaccumulation in fish. However, studies on how MeHg triggers oxidative stress in wild fish are scarce. The purpose of this study was to link the subcellular distribution of MeHg in the liver of northern pike from the St. Maurice River (Québec, Canada), affected by two run-of-river (RoR) dams, artificial wetlands, forest fires, and logging activity, to lipid peroxidation as an indicator of oxidative stress. We also evaluated the protective effects of the glutathione (GSH) system and selenium (Se), as they are known to alleviate MeHg toxicity. A customized subcellular partitioning protocol was used to separate the liver into metal-sensitive (mitochondria, microsome/lysosome and HDP - heat-denatured proteins) and metal-detoxified fractions (metal-rich granules and HSP - heat-stable proteins). We examined the relation among THg, MeHg, and Se concentration in livers and subcellular fractions, and the hepatic ratio of total GSH (GSHt) to oxidized glutathione (GSSG) on lipid peroxidation levels, using the concentrations of malondialdehyde (MDA), a product of lipid peroxidation. Results showed that hepatic MDA concentration was positively correlated with the combined MeHg and Se concentrations in northern pike liver (r2 = 0.88, p < 0.001) and that MDA concentrations were best predicted by MeHg associated with the mitochondria (r2 = 0.71, p < 0.001). This highlights the need for additional research on the MeHg influence on fish health and the interactions between Hg and Se in northern pike.
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Affiliation(s)
- Kimberley Desjardins
- Groupe interuniversitaire en limnologie et en environnement aquatique (GRIL), Département de sciences biologiques, Complexe des sciences, Université de Montréal, 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Dominic E Ponton
- Groupe interuniversitaire en limnologie et en environnement aquatique (GRIL), Département de sciences biologiques, Complexe des sciences, Université de Montréal, 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - François Bilodeau
- Direction Environnement, Hydro-Québec, 800 Boul. De Maisonneuve Est, Montréal, Québec H2Z 1A4, Canada
| | - Maikel Rosabal
- Groupe interuniversitaire en limnologie et en environnement aquatique (GRIL), Département des sciences biologiques, Université du Québec à Montréal, C.P. 8888, Succursale Centre-Ville, Montréal, Québec H3C 3P8, Canada
| | - Marc Amyot
- Groupe interuniversitaire en limnologie et en environnement aquatique (GRIL), Département de sciences biologiques, Complexe des sciences, Université de Montréal, 1375 Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada.
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2
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Packull-McCormick S, Cowan A, Stark KD, Low M, Gamberg M, Swanson H, Laird B. Mercury bioaccessiblity in freshwater fish species from northern Canada. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 899:165624. [PMID: 37478927 DOI: 10.1016/j.scitotenv.2023.165624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/30/2023] [Accepted: 07/16/2023] [Indexed: 07/23/2023]
Abstract
Indigenous communities in northern Canada rely on locally harvested traditional foods, including fish, which provides them with nutritional, cultural, and social benefits. However, mercury exposure from fish consumption can pose a health risk for populations that consume large amounts of fish with elevated mercury concentrations. The bioaccessiblity of mercury in the tissue of northern Canadian freshwater fish is not yet known. To address this, samples from five commonly consumed freshwater fish species (Lake Trout, Northern Pike, Walleye, Lake Whitefish, and Burbot) caught from lakes in the Northwest Territories and Yukon, Canada were examined. Total mercury concentrations, fatty acid composition, and total mercury bioaccessibility differed significantly among fish species and lakes. Mean total mercury bioaccessibility using an in vitro gastrointestinal model ranged between 56 % and 96 % in muscle tissue across fish species and waterbodies examined and was 39 % in liver tissue from Burbot. Mean total mercury bioaccessibility was much lower (range: 38 % to 42 %) for a subset of samples run through only the gastric phase of the digestion model. Total mercury bioaccessibility was significantly lower (on average 40 % lower) in a subset of samples that were pan-fried in water. Thus, although cooking increased total mercury concentrations in pan-fried fish samples (likely due to moisture loss), bioaccessible concentrations of total mercury were lower (on average 32 % lower). Results from this study contribute to addressing a large knowledge gap in the literature regarding bioaccessibility of total mercury in northern freshwater fish species. To the best of our knowledge, this is the first study to examine mercury bioaccessibility in raw and cooked liver samples from freshwater fish. It also adds to the growing literature indicating that mercury bioaccessibility varies among fish species, locations, and cooking/preparation methods.
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Affiliation(s)
- Sara Packull-McCormick
- School of Public Health Sciences, Faculty of Health, University of Waterloo, 200 University Ave W, Waterloo, Canada
| | - Alicia Cowan
- School of Public Health Sciences, Faculty of Health, University of Waterloo, 200 University Ave W, Waterloo, Canada
| | - Ken D Stark
- Department of Kinesiology and Health Sciences, Faculty of Health, University of Waterloo, 200 University Ave W, Waterloo, Canada
| | - Mike Low
- Dehcho Aboriginal Aquatic Resources & Oceans Management, Fort Simpson, NT, Canada
| | - Mary Gamberg
- Gamberg Consulting, 11267, Whitehorse, Yukon, Canada
| | - Heidi Swanson
- Department of Biology, Faculty of Science, University of Waterloo, 200 University Ave W, Waterloo, Canada
| | - Brian Laird
- School of Public Health Sciences, Faculty of Health, University of Waterloo, 200 University Ave W, Waterloo, Canada.
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3
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Dembitsky VM. Steroids Bearing Heteroatom as Potential Drugs for Medicine. Biomedicines 2023; 11:2698. [PMID: 37893072 PMCID: PMC10604304 DOI: 10.3390/biomedicines11102698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023] Open
Abstract
Heteroatom steroids, a diverse class of organic compounds, have attracted significant attention in the field of medicinal chemistry and drug discovery. The biological profiles of heteroatom steroids are of considerable interest to chemists, biologists, pharmacologists, and the pharmaceutical industry. These compounds have shown promise as potential therapeutic agents in the treatment of various diseases, such as cancer, infectious diseases, cardiovascular disorders, and neurodegenerative conditions. Moreover, the incorporation of heteroatoms has led to the development of targeted drug delivery systems, prodrugs, and other innovative pharmaceutical approaches. Heteroatom steroids represent a fascinating area of research, bridging the fields of organic chemistry, medicinal chemistry, and pharmacology. The exploration of their chemical diversity and biological activities holds promise for the discovery of novel drug candidates and the development of more effective and targeted treatments.
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Affiliation(s)
- Valery M Dembitsky
- Centre for Applied Research, Innovation and Entrepreneurship, Lethbridge College, 3000 College Drive South, Lethbridge, AB T1K 1L6, Canada
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4
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Hoy KS, Davydiuk T, Chen X, Lau C, Schofield JRM, Lu X, Graydon JA, Mitchell R, Reichert M, Le XC. Arsenic speciation in freshwater fish: challenges and research needs. FOOD QUALITY AND SAFETY 2023; 7:fyad032. [PMID: 37744965 PMCID: PMC10515374 DOI: 10.1093/fqsafe/fyad032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 07/12/2023] [Indexed: 09/26/2023]
Abstract
Food and water are the main sources of human exposure to arsenic. It is important to determine arsenic species in food because the toxicities of arsenic vary greatly with its chemical speciation. Extensive research has focused on high concentrations of arsenic species in marine organisms. The concentrations of arsenic species in freshwater fish are much lower, and their determination presents analytical challenges. In this review, we summarize the current state of knowledge on arsenic speciation in freshwater fish and discuss challenges and research needs. Fish samples are typically homogenized, and arsenic species are extracted using water/methanol with the assistance of sonication and enzyme treatment. Arsenic species in the extracts are commonly separated using high-performance liquid chromatography (HPLC) and detected using inductively coupled plasma mass spectrometry (ICPMS). Electrospray ionization tandem mass spectrometry, used in combination with HPLC and ICPMS, provides complementary information for the identification and characterization of arsenic species. The methods and perspectives discussed in this review, covering sample preparation, chromatography separation, and mass spectrometry detection, are directed to arsenic speciation in freshwater fish and applicable to studies of other food items. Despite progress made in arsenic speciation analysis, a large fraction of the total arsenic in freshwater fish remains unidentified. It is challenging to identify and quantify arsenic species present in complex sample matrices at very low concentrations. Further research is needed to improve the extraction efficiency, chromatographic resolution, detection sensitivity, and characterization capability.
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Affiliation(s)
- Karen S Hoy
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Tetiana Davydiuk
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Xiaojian Chen
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Chester Lau
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | | | - Xiufen Lu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | | | - Ruth Mitchell
- Alberta Health, Health Protection Branch, Edmonton, Alberta, Canada
| | - Megan Reichert
- Alberta Health, Health Protection Branch, Edmonton, Alberta, Canada
| | - X Chris Le
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
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Tomza-Marciniak A, Pilarczyk B, Drozd R, Pilarczyk R, Juszczak-Czasnojć M, Havryliak V, Podlasińska J, Udała J. Selenium and mercury concentrations, Se:Hg molar ratios and their effect on the antioxidant system in wild mammals. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 322:121234. [PMID: 36758931 DOI: 10.1016/j.envpol.2023.121234] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
The aim of this study was to a) evaluate the concentration of Se and Hg and their relationship in the tissues of 4 species of wild mammals, including Se:Hg molar ratios, and b) evaluate the effect of the analysed elements and their mutual proportions expressed as Se:Hg molar ratio, on the antioxidant system in the tissues of the tested animals. The study was performed on 31 animals belonging to four species: wild boar, red fox, roe deer, brown hare. Determination of Hg in liver, kidney and muscle of animals was performed using an AMA 254 mercury analyser. Total Se concentrations were determined using the spectrofluorometric method. In omnivores demonstrated higher Se concentrations in all analysed organs compared to the herbivores. The highest concentration of Hg was found in the kidneys of the tested animals, and the lowest in the muscles. High and moderate correlation between Se and Hg was observed in the liver of omnivorous, while in herbivores this correlation was weak. In all analysed samples, the Se:Hg molar ratios were above 1 (min: liver 5.9, max: kidney 110). Generally, the highest Se:Hg ratio values were found in kidney and the lowest in liver of tested animals. No significant correlation was found between GPx, GST and SOD activity and Se or Hg concentration in analysed organs. But it was observed that Se:Hg molar was negatively correlated with CAT activity in the most samples. The obtained results may suggest that omnivorous animals demonstrate greater Hg sequestration in the liver than herbivores, which has been proposed as one of the mechanisms of Se antagonistic action towards Hg. The ratio between Se and Hg, rather than the concentration of these elements in organs, affected the antioxidant status in the animal organism, specifically the CAT activity.
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Affiliation(s)
- Agnieszka Tomza-Marciniak
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology, Szczecin, Janickiego 29, 71-270, Szczecin, Poland.
| | - Bogumiła Pilarczyk
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology, Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Radosław Drozd
- Department of Microbiology and Biotechnology, West Pomeranian University of Technology, Szczecin, Al. Piastów 45, 70-311, Szczecin, Poland
| | - Renata Pilarczyk
- Laboratory of Biostatistics, West Pomeranian University of Technology, Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Marta Juszczak-Czasnojć
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology, Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Viktoriia Havryliak
- Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology, Institute of Chemistry and Chemical Technologies, Lviv Polytechnic National University, 79000, Lviv, Ukraine
| | - Joanna Podlasińska
- Department of Environmental Management, West Pomeranian University of Technology, Szczecin, Ul. Juliusza Słowackiego 17, 71-434, Szczecin, Poland
| | - Jan Udała
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology, Szczecin, Janickiego 29, 71-270, Szczecin, Poland
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Lescord GL, Johnston TA, Ponton DE, Amyot M, Lock A, Gunn JM. The speciation of arsenic in the muscle tissue of inland and coastal freshwater fish from a remote boreal region. CHEMOSPHERE 2022; 308:136140. [PMID: 36041531 DOI: 10.1016/j.chemosphere.2022.136140] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/09/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
Elevated concentrations of total arsenic (As) have been reported in boreal freshwater fish in both human-impacted and relatively pristine areas. We assessed the arsenic speciation profiles in muscle tissue of six fish species (n = 300) sampled from nine locations across a remote freshwater watershed in northern Ontario, Canada, extending from inland headwater lakes to the coastal marine confluence. Of the five arsenic species measured, only arsenobetaine (AsB) and dimethylarsinic acid (DMA) were detected in these fish. Riverine fish had up to 10-fold higher total [As] when compared to lacustrine fish. On average, these riverine fish also had higher percentages of AsB (%AsB, 60 ± 26%) and lower percentages of unmeasured arsenic (%UNM, 20 ± 21%), compared to lacustrine fish (28 ± 18% and 52 ± 21% %AsB and %UNM, respectively). DMA percentages (%DMA) were relatively consistent across the watershed, averaging 20 ± 21% across all fish. We examined ecological drivers of As speciation and found that %AsB increased slightly with fish weight in large-body predatory fish, but not in forage fish or insectivores. Furthermore, %AsB was positively related to trophic elevation (inferred from δ15N) in lacustrine fish across 3 out of 4 communities and within some populations. Lastly, riverine fish with a more marine-based diet had markedly higher %AsB when compared to fish with more freshwater-based diets, indicating an effect of anadromy on arsenic speciation. Overall, knowledge on arsenic speciation in freshwater fish has been limited and these results indicate potential drivers that can be considered in future studies. Furthermore, the absence of toxic inorganic As species in these boreal fish is an important consideration for future environmental monitoring practices and risk assessments, some of which assume 10-20% of total [As] in fish is present as toxic inorganic As. Additional studies on As bioaccumulation and biotransformation are needed in freshwater systems, particularly at the base of aquatic food webs.
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Affiliation(s)
- Gretchen L Lescord
- Wildlife Conservation Society Canada, Sudbury, ON, Canada; Laurentian University, Vale Living with Lakes Centre, Sudbury, ON, Canada.
| | - Thomas A Johnston
- Laurentian University, Vale Living with Lakes Centre, Sudbury, ON, Canada; Ontario Ministry of Northern Development, Mines, Natural Resources and Forestry, Sudbury, ON, Canada
| | - Dominic E Ponton
- Département des Sciences Biologiques, Université de Montréal, Montréal, QC, Canada
| | - Marc Amyot
- Département des Sciences Biologiques, Université de Montréal, Montréal, QC, Canada
| | - Alan Lock
- Laurentian University, Vale Living with Lakes Centre, Sudbury, ON, Canada
| | - John M Gunn
- Laurentian University, Vale Living with Lakes Centre, Sudbury, ON, Canada
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Collado-López S, Betanzos-Robledo L, Téllez-Rojo MM, Lamadrid-Figueroa H, Reyes M, Ríos C, Cantoral A. Heavy Metals in Unprocessed or Minimally Processed Foods Consumed by Humans Worldwide: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19148651. [PMID: 35886506 PMCID: PMC9319294 DOI: 10.3390/ijerph19148651] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 02/01/2023]
Abstract
Heavy metals (HM) can be accumulated along the food chain; their presence in food is a global concern for human health because some of them are toxic even at low concentrations. Unprocessed or minimally processed foods are good sources of different nutrients, so their safety and quality composition should be guaranteed in the most natural form that is obtained for human consumption. The objective of this scoping review (ScR) is to summarize the existing evidence about the presence of HM content (arsenic (As), lead (Pb), cadmium (Cd), mercury (Hg), methylmercury (MeHg), and aluminum (Al)) in unprocessed or minimally processed foods for human consumption worldwide during the period of 2011–2020. As a second objective, we identified reported HM values in food with respect to Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO) International Food Standards for Maximum Limits (MLs) for contaminants in food. This ScR was conducted in accordance with the Joanna Briggs Institute (JBI) methodology and PRISMA Extension for Scoping Reviews (PRISMA-ScR); advance searches were performed in PubMed, ScienceDirect and FAO AGRIS (Agricultural Science and Technology Information) databases by two reviewers who independently performed literature searches with specific eligibility criteria. We classified individual foods in food groups and subgroups according to the Global Individual Information Food Consumption Data Tool (FAO/WHO GIFT). We homologated all the reported HM units to parts per million (ppm) to determine the weighted mean HM concentration per country and food group/subgroup of the articles included. Then, we compared HM concentration findings with FAO/WHO MLs. Finally, we used a Geographic Information System (GIS) to present our findings. Using our search strategy, we included 152 articles. Asia was the continent with the highest number of publications (n = 79, 51.3%), with China being the country with the largest number of studies (n = 34). Fish and shellfish (n = 58), followed by vegetables (n = 39) and cereals (n = 38), were the food groups studied the most. Fish (n = 42), rice (n = 33), and leafy (n = 28) and fruiting vegetables (n = 29) were the most studied food subgroups. With respect to the HM of interest, Cd was the most analyzed, followed by Pb, As, Hg and Al. Finally, we found that many of the HM concentrations reported exceeded the FAO/OMS MLs established for Cd, Pb and As globally in all food groups, mainly in vegetables, followed by the roots and tubers, and cereals food groups. Our study highlights the presence of HM in the most natural forms of food around the world, in concentrations that, in fact, exceed the MLs, which affects food safety and could represent a human health risk. In countries with regulations on these topics, a monitoring system is recommended to evaluate and monitor compliance with national standards. For countries without a regulation system, it is recommended to adopt international guidelines, such as those of FAO, and implement a monitoring system that supervises national compliance. In both cases, the information must be disseminated to the population to create social awareness. This is especially important to protect the population from the consumption of internal production and for the international markets of the globalized world.
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Affiliation(s)
- Sonia Collado-López
- School of Public Health, National Institute of Public Health, Cuernavaca 62100, Mexico;
| | - Larissa Betanzos-Robledo
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca 62100, Mexico; (L.B.-R.); (M.M.T.-R.)
| | - Martha María Téllez-Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca 62100, Mexico; (L.B.-R.); (M.M.T.-R.)
| | - Héctor Lamadrid-Figueroa
- Department of Perinatal Health, Center for Population Health Research, National Institute of Public Health, Cuernavaca 62100, Mexico;
| | - Moisés Reyes
- Economics Department and GEOLab-IBERO, Universidad Iberoamericana, Mexico City 01219, Mexico;
| | - Camilo Ríos
- Neurochemistry Department, National Institute of Neurology and Neurosurgery, México City 14269, Mexico;
| | - Alejandra Cantoral
- Health Department, Universidad Iberoamericana, México City 01219, Mexico
- Correspondence:
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Hillenbrand M, Wu M, Braeuer S, Goessler W, Li X. Trace Element Accumulation in Two Turtle Species, Malaclemys terrapin and Chelydra serpentina, in New Jersey, USA. Biol Trace Elem Res 2022; 200:1844-1853. [PMID: 34231196 DOI: 10.1007/s12011-021-02786-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/09/2021] [Indexed: 10/20/2022]
Abstract
Trace elements in aquatic environments pose a risk to biological communities; this study investigates the total concentrations of arsenic (As), silver (Ag), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), mercury (Hg), nickel (Ni), selenium (Se), lead (Pb), and zinc (Zn) within muscle, carapace, liver, and adipose tissues of diamondback terrapins and common snapping turtles in New Jersey. The effects of tissue type, sex, size, and location upon trace element accumulation were studied. The data obtained indicates that within diamondback terrapins and common snapping turtles, trace element accumulations displayed a significant difference among tissue types and sex (p < 0.005). The data indicates that Ag, Cd, Cu, and Hg can accumulate within the liver of diamondback terrapin. Se was found to accumulate in the livers of both diamondback terrapin and common snapping turtles. The highest mean concentrations of Co, Cr, Ni, and Pb were found in the carapace of both turtle species. Sex was found to have an impact on As, Hg, and Zn accumulation within different tissue types of diamondback terrapins. Diamondback terrapin males were found to have higher concentrations of As within the carapace. Diamondback terrapin females possessed higher concentrations of Hg in muscle tissues and Hg and Zn in the carapace. Turtle size and collection location land type and land cover did not display any correlation with trace element bioaccumulation for either species.
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Affiliation(s)
- Molly Hillenbrand
- Department of Biology, Montclair State University, 1 Normal Avenue, Montclair, NJ, 07043, USA.
| | - Meiyin Wu
- Department of Biology, Montclair State University, 1 Normal Avenue, Montclair, NJ, 07043, USA
| | - Simone Braeuer
- Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010, Graz, Austria
- Atomic and Mass Spectrometry Research Unit, Department of Chemistry, Ghent University, Krijgslaan 281-S12, 9000, Ghent, Belgium
| | - Walter Goessler
- Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010, Graz, Austria
| | - Xiaona Li
- Department of Earth and Environmental Studies, Montclair State University, 1 Normal Avenue, Montclair, NJ, 07043, USA
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9
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Novotna Kruzikova K, Siroka Z, Jurajda P, Harustiakova D, Smolikova Z, Kubicek M, Svobodova Z. Mercury content in fish from drinking-water reservoirs in the Morava River Basin (Czech Republic). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:17394-17405. [PMID: 34664172 DOI: 10.1007/s11356-021-16763-5] [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: 04/06/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
This study focused on the total mercury content in fish from seven drinking-water reservoirs located in the Morava River Basin: Bojkovice, Boskovice, Hubenov, Karolinka, Landstejn, Ludkovice and Nova Rise in the Czech Republic. A total of 308 fish were collected for the analysis. The content of total mercury was measured in the muscle tissue of bream, roach and perch using atomic absorption spectrometry and varied from 0.057±0.009 to 0.440 mg kg-1 in bream, from 0.030±0.005 to 0.393±0.138 mg kg-1 in roach and from 0.092±0.007 to 0.638±0.042 mg kg-1 in perch. The highest total mercury content was found in perch from Landstejn and the lowest was measured in roach from Ludkovice. A positive statistically significant relationship was found between fish weight and total mercury content in fish muscle for almost all species and all sampling sites, except for roach from Ludkovice. A total of 19 samples exceeded the maximum mercury level set by legislation on food contaminants-0.5 mg kg-1 in freshwater fish.
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Affiliation(s)
- Kamila Novotna Kruzikova
- Faculty of Veterinary Hygiene and Ecology, Department of Animal Protection and Welfare and Public Veterinary Health, University of Veterinary Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic.
| | - Zuzana Siroka
- Faculty of Veterinary Hygiene and Ecology, Department of Animal Protection and Welfare and Public Veterinary Health, University of Veterinary Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Pavel Jurajda
- Institute of Vertebrate Biology of the Czech Academy of Sciences v.v.i., Kvetna 8, 603 65, Brno, Czech Republic
| | - Danka Harustiakova
- Faculty of Science, RECETOX, Masaryk University, Kamenice 753/5, 625 00, Brno, Czech Republic
- Faculty of Medicine, Institute of Biostatistics and Analyses, Masaryk University, Kamenice 126/3, 625 00, Brno, Czech Republic
| | - Zdenka Smolikova
- Faculty of Veterinary Hygiene and Ecology, Department of Animal Protection and Welfare and Public Veterinary Health, University of Veterinary Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Martin Kubicek
- Faculty of Veterinary Hygiene and Ecology, Department of Animal Protection and Welfare and Public Veterinary Health, University of Veterinary Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Zdenka Svobodova
- Faculty of Veterinary Hygiene and Ecology, Department of Animal Protection and Welfare and Public Veterinary Health, University of Veterinary Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
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Arinaitwe K, Koch A, Taabu-Munyaho A, Marien K, Reemtsma T, Berger U. Spatial profiles of perfluoroalkyl substances and mercury in fish from northern Lake Victoria, East Africa. CHEMOSPHERE 2020; 260:127536. [PMID: 32683018 DOI: 10.1016/j.chemosphere.2020.127536] [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: 03/30/2020] [Revised: 06/22/2020] [Accepted: 06/24/2020] [Indexed: 06/11/2023]
Abstract
There is an acute deficit of data on per- and polyfluoroalkyl substances (PFASs) and mercury (Hg) in the open waters of Lake Victoria, East Africa, relative to nearshore areas. We analyzed stable isotopes (δ15N and δ13C), PFASs and Hg in Nile Perch and Nile Tilapia muscle and liver samples from nearshore and open lake locations from the Ugandan part of the lake. The δ15N values of Nile Perch muscle indicated a higher trophic level for samples from the open lake than from nearshore locations. Averages of ∑PFAS concentrations in Nile Perch muscle and liver (0.44 and 1.75 ng/g ww, respectively) were significantly higher than in Nile Tilapia (0.24 and 0.50 ng/g ww, respectively). ∑PFAS concentrations in muscle of open lake Nile Perch were significantly higher than for nearshore samples. A similar observation was made for total mercury concentrations in muscle (THg_Muscle) of Nile Perch. THg was dominated by methyl mercury (MeHg+, 22-124 ng/g ww) and mercuric mercury (Hg2+, <MDL-29 ng/g ww) in Nile Perch muscle. Strong correlation between MeHg+ and some PFASs (e.g. PFOS: r = 0.704, P = 0.016) suggested similar exposure routes or factors. Estimated human daily intake values of PFOS from fish consumption were below international limits whereas for MeHg+, the US EPA reference dose was exceeded.
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Affiliation(s)
- Kenneth Arinaitwe
- Helmholtz Centre for Environmental Research - UFZ, Department of Analytical Chemistry, Permoserstrasse 15, 04318, Leipzig, Germany; Makerere University, Department of Chemistry, P.O. Box 7062, Kampala, Uganda.
| | - Arne Koch
- Helmholtz Centre for Environmental Research - UFZ, Department of Analytical Chemistry, Permoserstrasse 15, 04318, Leipzig, Germany.
| | - Anthony Taabu-Munyaho
- Uganda National Fisheries Resources Research Institute (NaFIRRI), P.O. Box 343, Jinja, Uganda.
| | - Karsten Marien
- Helmholtz Centre for Environmental Research - UFZ, Department of Analytical Chemistry, Permoserstrasse 15, 04318, Leipzig, Germany.
| | - Thorsten Reemtsma
- Helmholtz Centre for Environmental Research - UFZ, Department of Analytical Chemistry, Permoserstrasse 15, 04318, Leipzig, Germany; University of Leipzig, Institute for Analytical Chemistry, Linnéstrasse 3, 04103, Leipzig, Germany.
| | - Urs Berger
- Helmholtz Centre for Environmental Research - UFZ, Department of Analytical Chemistry, Permoserstrasse 15, 04318, Leipzig, Germany.
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11
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Novotna K, Svobodova Z, Harustiakova D, Mikula P. Spatial and Temporal Trends in Contamination of the Czech Part of the Elbe River by Mercury Between 1991 and 2016. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 105:750-757. [PMID: 32970223 DOI: 10.1007/s00128-020-03005-6] [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: 08/27/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
We summarized available data concerning contamination of the Czech part of the Elbe River by mercury and assessed the potential risks to humans connected with the consumption of contaminated fish. Total mercury concentrations were evaluated in dorsal muscle of chub (Squalius cephalus) and bream (Abramis brama) that were collected at 11 sampling sites in the period from 1991 to 2016. Significant differences among sites were found for both species. The highest contamination was observed near the non-ferrous Kovohute metal works at Celakovice and also downstream from the Spolana chemical plant at Neratovice. A significant decline in contamination with time (concentrations decreasing from 1.65 to 0.22 mg kg-1; p = 0.004) was revealed in chub downstream from the Spolana plant. Calculated hazard indices (HIs) were below 1, therefore, adverse health effects on the general Czech population connected with the consumption of fish from the Elbe River were not expected.
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Affiliation(s)
- Kamila Novotna
- Department of Animal Protection and Welfare and Veterinary Public Health, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Zdenka Svobodova
- Department of Animal Protection and Welfare and Veterinary Public Health, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic
| | - Danka Harustiakova
- RECETOX, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00, Brno, Czech Republic
- Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Kamenice 126/3, 625 00, Brno, Czech Republic
| | - Premysl Mikula
- Department of Animal Protection and Welfare and Veterinary Public Health, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Palackeho tr. 1946/1, 612 42, Brno, Czech Republic.
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12
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Jinadasa KK, Peña-Vázquez E, Bermejo-Barrera P, Moreda-Piñeiro A. New adsorbents based on imprinted polymers and composite nanomaterials for arsenic and mercury screening/speciation: A review. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104886] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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13
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Luvonga C, Rimmer CA, Yu LL, Lee SB. Analytical Methodologies for the Determination of Organoarsenicals in Edible Marine Species: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:1910-1934. [PMID: 31999115 PMCID: PMC7250003 DOI: 10.1021/acs.jafc.9b04525] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Setting regulatory limits for arsenic in food is complicated, owing to the enormous diversity of arsenic metabolism in humans, lack of knowledge about the toxicity of these chemicals, and lack of accurate arsenic speciation data on foodstuffs. Identification and quantification of the toxic arsenic compounds are imperative to understanding the risk associated with exposure to arsenic from dietary intake, which, in turn, underscores the need for speciation analysis of the food. Arsenic speciation in seafood is challenging, owing to its existence in myriads of chemical forms and oxidation states. Interconversions occurring between chemical forms, matrix complexity, lack of standards and certified reference materials, and lack of widely accepted measurement protocols present additional challenges. This review covers the current analytical techniques for diverse arsenic species. The requirement for high-quality arsenic speciation data that is essential for establishing legislation and setting regulatory limits for arsenic in food is explored.
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Affiliation(s)
- Caleb Luvonga
- Analytical Chemistry Division , National Institute of Standards and Technology (NIST) , 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
- Department of Chemistry and Biochemistry , University of Maryland , College Park , Maryland 20742 , United States
| | - Catherine A Rimmer
- Analytical Chemistry Division , National Institute of Standards and Technology (NIST) , 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
| | - Lee L Yu
- Analytical Chemistry Division , National Institute of Standards and Technology (NIST) , 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
| | - Sang Bok Lee
- Department of Chemistry and Biochemistry , University of Maryland , College Park , Maryland 20742 , United States
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Reid MS, Hoy KS, Schofield JR, Uppal JS, Lin Y, Lu X, Peng H, Le XC. Arsenic speciation analysis: A review with an emphasis on chromatographic separations. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115770] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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15
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Luvonga C, Rimmer CA, Yu LL, Lee SB. Organoarsenicals in Seafood: Occurrence, Dietary Exposure, Toxicity, and Risk Assessment Considerations - A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:943-960. [PMID: 31913614 PMCID: PMC7250045 DOI: 10.1021/acs.jafc.9b07532] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Diet, especially seafood, is the main source of arsenic exposure for humans. The total arsenic content of a diet offers inadequate information for assessment of the toxicological consequences of arsenic intake, which has impeded progress in the establishment of regulatory limits for arsenic in food. Toxicity assessments are mainly based on inorganic arsenic, a well-characterized carcinogen, and arsenobetaine, the main organoarsenical in seafood. Scarcity of toxicity data for organoarsenicals, and the predominance of arsenobetaine as an organic arsenic species in seafood, has led to the assumption of their nontoxicity. Recent toxicokinetic studies show that some organoarsenicals are bioaccessible and cytotoxic with demonstrated toxicities like that of pernicious trivalent inorganic arsenic, underpinning the need for speciation analysis. The need to investigate and compare the bioavailability, metabolic transformation, and elimination from the body of organoarsenicals to the well-established physiological consequences of inorganic arsenic and arsenobetaine exposure is apparent. This review provides an overview of the occurrence and assessment of human exposure to arsenic toxicity associated with the consumption of seafood.
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Affiliation(s)
- Caleb Luvonga
- Analytical Chemistry Division , National Institute of Standards and Technology (NIST) , 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
- Department of Chemistry and Biochemistry , University of Maryland , College Park , Maryland 20742 , United States
| | - Catherine A Rimmer
- Analytical Chemistry Division , National Institute of Standards and Technology (NIST) , 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
| | - Lee L Yu
- Analytical Chemistry Division , National Institute of Standards and Technology (NIST) , 100 Bureau Drive , Gaithersburg , Maryland 20899 , United States
| | - Sang B Lee
- Department of Chemistry and Biochemistry , University of Maryland , College Park , Maryland 20742 , United States
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Bornhorst J, Ebert F, Meyer S, Ziemann V, Xiong C, Guttenberger N, Raab A, Baesler J, Aschner M, Feldmann J, Francesconi K, Raber G, Schwerdtle T. Toxicity of three types of arsenolipids: species-specific effects inCaenorhabditis elegans. Metallomics 2020; 12:794-798. [DOI: 10.1039/d0mt00039f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
AsHCs and AsTAG are highly bioavailable toC. elegans., AsHCs are metabolized byC. elegans., AsHCs but not AsTAG and AsFA affect survival and development inC. elegans.
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Sobolev N, Aksenov A, Sorokina T, Chashchin V, Ellingsen DG, Nieboer E, Varakina Y, Veselkina E, Kotsur D, Thomassen Y. Essential and non-essential trace elements in fish consumed by indigenous peoples of the European Russian Arctic. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 253:966-973. [PMID: 31351305 DOI: 10.1016/j.envpol.2019.07.072] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/17/2019] [Accepted: 07/14/2019] [Indexed: 06/10/2023]
Abstract
In present study, the analyses of essential [copper (Cu), cobalt (Co), selenium (Se) and zinc (Zn)] and non-essential elements [mercury (Hg), lead (Pb), cadmium (Cd) and arsenic (As)] in 7 fish species consumed by the indigenous people of the European Russia Arctic were conducted. The Nenets Autonomous Region, which is located in the north-eastern part of European Russia, was chosen as a Region of interest. Within it, the Nenets indigenous group (n = 6000) constitutes approximately 10% of the total population. Nearly all of the Nenets live a traditional life with fish caught in the local waters as a subsistence resource. We found that northern pike contained twice the amount of Hg compared with roach, and 3-4 times more than other fish species commonly consumed in the Russian Arctic (namely, Arctic char, pink salmon, navaga, humpback whitefish and inconnu). Fish Hg concentrations were relatively low, but comparable to those reported in other investigations that illustrate a decreasing south-to-north trend in fish Hg concentrations. In the current study, northern pike is the only species for which Hg bioaccumulated significantly. In all fish species, both Cd and Pb were present in considerably lower concentrations than Hg. The total As concentrations observed are similar to those previously published, and it is assumed to be present primarily in non-toxic organic forms. All fish tissues were rich in the essential elements Se, Cu and Zn and, dependent on the amount fish consumed, may contribute significantly to the nutritional intake by indigenous Arctic peoples. We observed large significant differences in the molar Se/Hg ratios, which ranged from 2.3 for northern pike to 71.1 for pink salmon. Values of the latter <1 may increase the toxic potential of Hg, while those >1 appear to enhance the protection against Hg toxicity.
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Affiliation(s)
- Nikita Sobolev
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia.
| | - Andrey Aksenov
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia
| | - Tatiana Sorokina
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia
| | - Valery Chashchin
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia; Northwest Public Health Research Centre, 2-Sovetskaya, 191036 St. Petersburg, Russia
| | - Dag G Ellingsen
- National Institute of Occupational Health, P.O. Box 5330 Majorstua, N-0304 Oslo, Norway
| | - Evert Nieboer
- Department of Biochemistry and Biomedical Sciences, McMaster University, L9H 6C6 Hamilton, ON, Canada
| | - Yulia Varakina
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia
| | - Elena Veselkina
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia
| | - Dmitry Kotsur
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia
| | - Yngvar Thomassen
- Northern (Arctic) Federal University Named After M. V. Lomonosov, Arctic Biomonitoring Laboratory, 163002 Arkhangelsk, Russia; National Institute of Occupational Health, P.O. Box 5330 Majorstua, N-0304 Oslo, Norway; Norwegian University of Life Sciences, N-1432 Ås, Norway; Institute of Ecology, National Research University Higher School of Economics, 101000 Moscow, Russia
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18
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Komorowicz I, Sajnóg A, Barałkiewicz D. Total Arsenic and Arsenic Species Determination in Freshwater Fish by ICP-DRC-MS and HPLC/ICP-DRC-MS Techniques. Molecules 2019; 24:E607. [PMID: 30744106 PMCID: PMC6385125 DOI: 10.3390/molecules24030607] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/29/2019] [Accepted: 02/07/2019] [Indexed: 12/01/2022] Open
Abstract
Analytical methods for the determination of total arsenic (TAs) and arsenic species (arsenite-As(III), arsenate-As(V), monomethylarsenic acid-MMA, dimethylarsenic acid-DMA and arsenobetaine-AsB) in freshwater fish samples were developed. Inductively coupled plasma mass spectrometry with dynamic reaction cell (ICP-DRC-MS) and high-performance liquid chromatography hyphenated to ICP-DRC-MS were used for TAs and arsenic species determination, respectively. The DRC with oxygen as a reaction gas was used. Sample preparation, digestion, and extraction were optimized. Microwave assisted digestion and extraction provided good recovery and extraction efficiency. Arsenic species were fully separated in 8 min using 10 mmol L-1 of ammonium dihydrogen phosphate and 10 mmol L-1 of ammonium nitrate. Overlapping of AsB and As(III) of arsenic species in the presence of a high concentration of AsB and trace amounts of As(III) were studied. Detailed validation of analytical procedures proved the reliability of analytical measurements. Both procedures were characterized by short-term and long-term precision: 2.2% (TAs) up to 4.2% (AsB), and 3.6% (TAs) up to 7.2% (DMA), respectively. Limits of detection (LD) were in the range from 0.056 µg L-1 for TAs to 0.15 µg L-1 for As(V). Obtained recoveries were in the range of 85%⁻116%. Developed methods were applied to freshwater fish samples analysis.
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Affiliation(s)
- Izabela Komorowicz
- Department of Trace Element Analysis by Spectroscopy Methods, Faculty of Chemistry, Adam Mickiewicz University in Poznań, 89b Umultowska Street, 61-614 Poznań, Poland.
| | - Adam Sajnóg
- Department of Trace Element Analysis by Spectroscopy Methods, Faculty of Chemistry, Adam Mickiewicz University in Poznań, 89b Umultowska Street, 61-614 Poznań, Poland.
| | - Danuta Barałkiewicz
- Department of Trace Element Analysis by Spectroscopy Methods, Faculty of Chemistry, Adam Mickiewicz University in Poznań, 89b Umultowska Street, 61-614 Poznań, Poland.
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19
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Juncos R, Arcagni M, Squadrone S, Rizzo A, Arribére M, Barriga JP, Battini MA, Campbell LM, Brizio P, Abete MC, Ribeiro Guevara S. Interspecific differences in the bioaccumulation of arsenic of three Patagonian top predator fish: Organ distribution and arsenic speciation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 168:431-442. [PMID: 30399542 DOI: 10.1016/j.ecoenv.2018.10.077] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 10/09/2018] [Accepted: 10/22/2018] [Indexed: 06/08/2023]
Abstract
Interspecific differences in arsenic bioaccumulation and organ distribution (muscle, liver, kidney and gills) in three predator fish (creole perch, rainbow trout and brown trout) from a Patagonian lake impacted by volcanic eruptions were studied. Arsenic in fish organs were compared analyzing: 1) temporal (before and after volcanic eruption) and spatial (near and far from the volcano) influence of Puyehue-Cordón Caulle volcanic complex activity on arsenic concentrations; 2) the influence of growth (as total length), organ type and their interactions over arsenic accumulation; and 3) arsenic speciation and total arsenic relationship with carbon to nitrogen ratios (C:N), as a proxy of lipid presence, in fish muscle. In general, total arsenic concentrations in creole perch organs were 2-7 times higher than those recorded in the corresponding organs of salmonids. Arsenic was preferentially accumulated in liver and kidney in the three fish species. The influence of the volcanic activity over arsenic concentrations was more evident in creole perch: organs from creole perch captured closest to the volcano exhibited higher arsenic concentrations. Temporal variations were not so consistent. No clear relationship between arsenic and fish length was observed. Positive and linear relationship between arsenic in all pair of organs was found in creole perch, while rainbow trout showed a quadratic relationship between muscle and the remaining organs, indicating different arsenic assimilation-elimination relationships between organs and fish. The arsenic liver:muscle ratio in the three fish species was greater than 1, suggesting some level of arsenic stress. Arsenobetaine (AB) and dimethylarsinic acid (DMA) were the dominant arsenic species in muscle of these fish, having creole perch 3-4 times higher AB than rainbow trout. A positive relationship between C:N ratio and total arsenic concentrations was found, with higher C:N in creole perchs near the volcano. In terms of food safety, no inorganic arsenic compound were detected, therefore arsenic levels in fish from Lake Nahuel Huapi does not represent any health risk to consumers.
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Affiliation(s)
- R Juncos
- Laboratorio de Análisis por Activación Neutrónica (LAAN), Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, Av. Bustillo 9500, 8400 Bariloche, Argentina; Centro Científico Tecnológico - CONICET - Patagonia Norte, Av. de los Pioneros 2350, 8400 Bariloche, Argentina.
| | - M Arcagni
- Laboratorio de Análisis por Activación Neutrónica (LAAN), Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, Av. Bustillo 9500, 8400 Bariloche, Argentina; Centro Científico Tecnológico - CONICET - Patagonia Norte, Av. de los Pioneros 2350, 8400 Bariloche, Argentina
| | - S Squadrone
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e valle d'Aosta via Bologna 148, 10154 Torino, Italy
| | - A Rizzo
- Laboratorio de Análisis por Activación Neutrónica (LAAN), Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, Av. Bustillo 9500, 8400 Bariloche, Argentina; Centro Científico Tecnológico - CONICET - Patagonia Norte, Av. de los Pioneros 2350, 8400 Bariloche, Argentina
| | - M Arribére
- Laboratorio de Análisis por Activación Neutrónica (LAAN), Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, Av. Bustillo 9500, 8400 Bariloche, Argentina
| | - J P Barriga
- Grupo de Ecología y Fisiología de Peces, Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA) - CONICET, Universidad Nacional del Comahue, Quintral 1250, 8400 Bariloche, Argentina
| | - M A Battini
- Istituto Andino Patagónico en Tecnologías Biológicas y Geoambientales (IPATEC), Universidad Nacional del Comahue, Quintral 1250, 8400 Bariloche, Argentina
| | - L M Campbell
- Department of Environmental Science, Saint Mary's University, 923 Robie St., Halifax, NS B3H 3C3, Canada
| | - P Brizio
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e valle d'Aosta via Bologna 148, 10154 Torino, Italy
| | - M C Abete
- Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e valle d'Aosta via Bologna 148, 10154 Torino, Italy
| | - S Ribeiro Guevara
- Laboratorio de Análisis por Activación Neutrónica (LAAN), Centro Atómico Bariloche, Comisión Nacional de Energía Atómica, Av. Bustillo 9500, 8400 Bariloche, Argentina
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Liu H, Luo J, Ding T, Gu S, Yang S, Yang M. Speciation Analysis of Trace Mercury in Sea Cucumber Species of Apostichopus japonicus Using High-Performance Liquid Chromatography Conjunction With Inductively Coupled Plasma Mass Spectrometry. Biol Trace Elem Res 2018; 186:554-561. [PMID: 29574672 DOI: 10.1007/s12011-018-1309-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 03/14/2018] [Indexed: 12/29/2022]
Abstract
In this paper, a simple and cost-effective method using high-performance liquid chromatography in conjunction with inductively coupled plasma mass spectrometry with a rapid ultrasound-assisted extraction was used for analysis speciation of trace mercury in sea cucumber species of Apostichopus japonicus. The effective separation of inorganic mercury, methylmercury, and ethylmercury was achieved within 10 min using Agilent ZORBAX SB-C18 analytical and guard columns with an isocratic mobile phase consisting of 8% methanol and 92% H2O containing 0.12% L-cysteine (m/v) and 0.01 mol/L ammonium acetate. Mercury species were extracted from A. japonicus samples using a solution containing 2-mercaptoethanol, L-cysteine, and hydrochloric acid and sonicating for 0.5 h. The limits of detection of inorganic mercury, methylmercury, and ethylmercury were 0.12, 0.08, and 0.20 μg/L, and the minimum detectable concentrations (measured at 0.500 g sample volume in 10.00 mL) were 2.4, 1.6, and 4.0 μg/kg, respectively. Analysis of a scallop certified reference material (GBW 10024) revealed accordance between the experimental and certified values. This study provides a reference for the evaluation of mercury speciation in sea cucumber and other seafood.
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Affiliation(s)
- Hao Liu
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun, 130118, China
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Jiaoyang Luo
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Tong Ding
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun, 130118, China
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Shanyong Gu
- College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Shihai Yang
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun, 130118, China.
| | - Meihua Yang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China.
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Jinadasa BKKK, Chathurika GS, Jayasinghe GDTM, Jayaweera CD. ASSOCIATION OF TOTAL MERCURY AND CADMIUM CONTENT WITH CAPTURE LOCATION AND FISH SIZE OF SWORDFISH (Xiphias gladius); INDIAN OCEAN. ACTA ACUST UNITED AC 2018. [DOI: 10.3153/ar18019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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22
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Wang X, Wang WX. Selenium induces the demethylation of mercury in marine fish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 231:1543-1551. [PMID: 28928020 DOI: 10.1016/j.envpol.2017.09.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 09/06/2017] [Accepted: 09/06/2017] [Indexed: 06/07/2023]
Abstract
The antagonistic effect of selenium (Se) on mercury (Hg) toxicity has been known for decades. Earlier studies mainly focused on Hg-Se interaction based on biokinetics and bioaccumulation, but the influences of Se on in vivo biotransformation of methylmercury (MeHg) have not been well understood. We conducted a 42-day exposure study to investigate the dynamic changes of MeHg and its primary degradation product - inorganic mercury (IHg) - in different organs of black seabream (Acanthopagrus schlegeli) exposed to different dietary Se levels. A physiologically based pharmacokinetic (PBPK) model was then developed to describe the biotransformation and disposition of MeHg under the influence of Se. Our results demonstrated that Se significantly increased the transformation from MeHg into IHg, thereby decreasing the accumulation of MeHg. The simulation further showed that the intestine was the major site for demethylation, with an estimated rate 1.5-fold higher in high Se treatment than in low Se treatment. However, the hepatic demethylation rate was extremely low and comparable between the two treatments (0.012-0.015 d-1). These results strongly suggested that the intestine instead of the commonly assumed liver was the major site for Hg-Se interaction. Furthermore, Se did not show significant influences on the distribution and elimination of MeHg, but promoted the uptake and elimination of the generated IHg from demethylation. Therefore, Se-induced demethylation especially in the intestine played an important role in mitigating the MeHg accumulation. This study provided new sight to elucidate the Hg-Se interaction in fish.
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Affiliation(s)
- Xun Wang
- Division of Life Science, The Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong; Marine Environmental Laboratory, HKUST Shenzhen Research Institute, Shenzhen 518057, China
| | - Wen-Xiong Wang
- Division of Life Science, The Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong; Marine Environmental Laboratory, HKUST Shenzhen Research Institute, Shenzhen 518057, China.
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