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Wilman B, Saniewska D, Pyta H, Wysiecki D, Bełdowska M. Mercury fractionation - Problems in method application. MARINE POLLUTION BULLETIN 2023; 187:114560. [PMID: 36642005 DOI: 10.1016/j.marpolbul.2022.114560] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/21/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Mercury (Hg) is a global pollutant with a negative effect on human and ecosystem health. Mercury is toxic in all forms. The toxicity, however, varies depending on the form of mercury, determining its physical and chemical properties. Therefore, knowledge on the chemical speciation of mercury is key for the understanding of its transport and transformations in the environment. Analysis of mercury speciation, however, is time-consuming and involves high risk of contamination. The mercury thermodesorption method offers many new possibilities. The main advantages of this method are identifying which groups of compounds are being transformed in the atmosphere, sediment and soil, suspended matter and plankton, and in organisms from different trophic levels. A great advantage of the method is also its application in mercury analyzers, where it is possible to control the heating and cooling temperatures of. The standardisation of fractionation nomenclature for all matrices (both biotic and abiotic) will be helpful in application of this mercury fractionation method too. It has also disadvantages, mostly in the technical preparation of the analyzer. The analyzer must be prepared for fractionation: setting the ventilator and adjusting the PID parameters so that the pre-set heating (t1) and combustion (t2) times reach the set value in the method program. Also, any modification of the heater forces a re-optimisation of the method with mercury standards, as certified reference materials for Hg fractionation in environmental matrices are not available. The HgF2 fraction cannot be used as the methylmercury concentration, which is undoubtedly the biggest drawback of this method.
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Affiliation(s)
- Bartłomiej Wilman
- Institute of Oceanography, University of Gdańsk, Al. Pilsudskiego 46, 81-378 Gdynia, Poland.
| | - Dominika Saniewska
- Institute of Oceanography, University of Gdańsk, Al. Pilsudskiego 46, 81-378 Gdynia, Poland
| | - Halina Pyta
- Institute of Environmental Engineering Polish Academy of Sciences, M. Skłodowskiej-Curie 34, 41-819 Zabrze, Poland
| | | | - Magdalena Bełdowska
- Institute of Oceanography, University of Gdańsk, Al. Pilsudskiego 46, 81-378 Gdynia, Poland
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2
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Trivedi SP, Singh S, Trivedi A, Kumar M. Mercuric chloride-induced oxidative stress, genotoxicity, haematological changes and histopathological alterations in fish Channa punctatus (Bloch, 1793). JOURNAL OF FISH BIOLOGY 2022; 100:868-883. [PMID: 35195905 DOI: 10.1111/jfb.15019] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/21/2022] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
The present study was undertaken to investigate the adverse effects of mercuric chloride (HgCl2 ) overload in the fish Channa punctatus. Two sublethal test concentrations of HgCl2 (1/20th and 1/10th of 96 h LC50 i.e., 0.03 mg l-1 (low concentration) and 0.07 mg l-1 (high concentration), respectively, were used for exposure. Blood, liver and kidney tissues of the control and exposed specimens were sampled at intervals of 15, 30, and 45 days to assess alterations in oxidative stress, genotoxicity haematological parameters and histopathology. Significant changes in Hb%, RBC count, WBC count, antioxidant enzyme activity, i.e., superoxide dismutase (SOD), catalase (CAT), glutathione (GSH) and glutathione reductase (GR), were recorded. Micronuclei (MN) induction, nuclear abnormalities (NAs) and histopathological alterations were also observed in the exposed fish. Significant (P < 0.05) increase in the activities of SOD, CAT, GSH and GR was observed. After 45 days, a decrease in the level of GSH and GR was noticed which suggests an undermined anti-oxidative defence system in the fish exposed to HgCl2 . Histological examination of the liver and kidney showed serious tissue injury and histological alterations. Significant increases in MN and NA frequencies reveal the DNA damage in erythrocytes of fish, and haematological changes show the toxicological potential of HgCl2 . The observed changes in the antioxidant defence system, genotoxicity and haematological and histological changes in the present study provide the most extensive insight into HgCl2 stress in C. punctatus.
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Affiliation(s)
- Sunil P Trivedi
- Department of Zoology, University of Lucknow, Lucknow, India
| | - Shefalee Singh
- Department of Zoology, University of Lucknow, Lucknow, India
| | - Abha Trivedi
- Department of Animal Sciences, M.J.P. Rohilkhand University, Bareilly, India
| | - Manoj Kumar
- Department of Zoology, University of Lucknow, Lucknow, India
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Alam RTM, Abu Zeid EH, Khalifa BA, Arisha AH, Reda RM. Dietary exposure to methyl mercury chloride induces alterations in hematology, biochemical parameters, and mRNA expression of antioxidant enzymes and metallothionein in Nile tilapia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:31391-31402. [PMID: 33606169 DOI: 10.1007/s11356-021-13014-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
Methyl mercury chloride "MMC" (CH3ClHg) is an ubiquitous environmental toxicant that causes a variety of adverse effects. In the present study, we investigated the effects of sub-chronic toxicity of MMC on Nile tilapia (Oreochromis niloticus) through the evaluation of growth performance and hematological, biochemical, and oxidative stress biomarkers. From 150 healthy fish, five equally sized treatment groups were created: a control (CT) group fed with a basal diet and four MMC treatment groups exposed to 0.5, 1, 1.5, and 2 mg of MMC per kg of basal diet for 60 days. MMC exposure significantly reduced the growth performance and survival of O. niloticus and decreased red blood cell count and hemoglobin concentration. Treated fish exhibited normocytic normochromic anemia in addition to leucopenia, lymphopenia, granulocytopenia, and monocytopenia. Moreover, MMC exposure significantly affected liver function, including a reduction in the total protein levels while increasing cholesterol and triglyceride levels. It also markedly increased the production of stress biomarkers such as glucose and cortisol levels. Furthermore, MMC significantly elevated the levels of hepatic enzymes, induced tissue damage, and caused inflammation, as indicated by the upregulation of mRNA expression of hepatic metallothionein. Finally, MMC exposure induced oxidative stress by altering the antioxidant status of the liver and downregulating the mRNA expression of superoxide dismutase, glutathione peroxidase, and glutathione S-reductase. In conclusion, MMC toxicity induced hematological and biochemical alterations, leading to an enhanced state of oxidative stress in O. niloticus.
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Affiliation(s)
- Rasha T M Alam
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, 44511, Egypt.
| | - Ehsan H Abu Zeid
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, 44511, Egypt
| | - Bouthaina A Khalifa
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ahmed Hamed Arisha
- Department of Animal Physiology and Biochemistry, Faculty of Veterinary Medicine, Badr University in Cairo (BUC), Badr City, Cairo, Egypt
- Department of Physiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Sharkia, 44511, Egypt
| | - Rasha M Reda
- Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44511, Egypt
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Aramjoo H, Farkhondeh T, Aschner M, Naseri K, Mehrpour O, Sadighara P, Roshanravan B, Samarghandian S. The association between diazinon exposure and dyslipidemia occurrence: a systematic and meta-analysis study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:3994-4006. [PMID: 33159230 DOI: 10.1007/s11356-020-11363-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 10/21/2020] [Indexed: 06/11/2023]
Abstract
The effects of diazinon (DZN), an organophosphate pesticide, on lipid profiles have been extensively reported. However, controversy on this issue persists. Here, we performed a systematic and meta-analysis study to investigate the association between DZN exposure and dyslipidemia in rodents and fish species. This systematic review was prepared according to the PRISMA guidelines. Main databases, including Google Scholar, Scopus, PubMed, Ovid MEDLINE, and Web of Science, were systematically searched through March 4, 2020. The risk of bias was evaluated with the SYRCLE's RoB tool. Once all articles were assessed for scientific quality, a random-effects model was applied to perform a pooled analysis. I2 and Q test were used to assess the heterogeneity between articles, and Forest plots, indicating point and pooled estimates, were drawn. Twenty-eight articles were included; between them, 13 publications were selected for meta-analysis. Random-effects meta-analysis showed low heterogeneity between the articles. A pooled analysis indicated that DZN significantly increased total cholesterol levels (95% CI: 0.86-3.79; Z = 3.10; p = 0.002), triglyceride (95% CI: 0.38-3.22; Z = 2.48; p = 0.09), low-density lipoprotein cholesterol (95% CI: 0.25-2.85; Z = 2.34; p = 0.7) in the DZN vs. control groups. In addition, DZN significantly decreased high-density lipoprotein cholesterol (95% CI: - 2.92, - 0.42; Z = 2.62; p = 0.07) in the DZN vs. control groups. No publication bias was observed. Our findings suggest that DZN induces dyslipidemia in rodents and fish species in a dose-dependent manner.
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Affiliation(s)
- Hamed Aramjoo
- Student Research Committee, BSc Student in Medical Laboratory Science, Birjand University of Medical Sciences, Birjand, Iran
| | - Tahereh Farkhondeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Micheal Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Forchheimer 209 1300 Morris Park Avenue, Bronx, NY, USA
| | - Kobra Naseri
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Omid Mehrpour
- Arizona Poison & Drug Information Center, the University of Arizona, College of Pharmacy and University of Arizona, Tucson, AZ, USA
- Scientific Unlimited Horizon, Tucson, AZ, USA
| | - Parisa Sadighara
- Department of Environmental Health Engineering, Food Safety Division, School of Public Health and Center for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Babak Roshanravan
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Pereira P, Korbas M, Pereira V, Cappello T, Maisano M, Canário J, Almeida A, Pacheco M. A multidimensional concept for mercury neuronal and sensory toxicity in fish - From toxicokinetics and biochemistry to morphometry and behavior. Biochim Biophys Acta Gen Subj 2019; 1863:129298. [PMID: 30768958 DOI: 10.1016/j.bbagen.2019.01.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 01/16/2019] [Accepted: 01/30/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND Neuronal and sensory toxicity of mercury (Hg) compounds has been largely investigated in humans/mammals with a focus on public health, while research in fish is less prolific and dispersed by different species. Well-established premises for mammals have been governing fish research, but some contradictory findings suggest that knowledge translation between these animal groups needs prudence [e.g. the relative higher neurotoxicity of methylmercury (MeHg) vs. inorganic Hg (iHg)]. Biochemical/physiological differences between the groups (e.g. higher brain regeneration in fish) may determine distinct patterns. This review undertakes the challenge of identifying sensitive cellular targets, Hg-driven biochemical/physiological vulnerabilities in fish, while discriminating specificities for Hg forms. SCOPE OF REVIEW A functional neuroanatomical perspective was conceived, comprising: (i) Hg occurrence in the aquatic environment; (ii) toxicokinetics on central nervous system (CNS)/sensory organs; (iii) effects on neurotransmission; (iv) biochemical/physiological effects on CNS/sensory organs; (v) morpho-structural changes on CNS/sensory organs; (vi) behavioral effects. The literature was also analyzed to generate a multidimensional conceptualization translated into a Rubik's Cube where key factors/processes were proposed. MAJOR CONCLUSIONS Hg neurosensory toxicity was unequivocally demonstrated. Some correspondence with toxicity mechanisms described for mammals (mainly at biochemical level) was identified. Although the research has been dispersed by numerous fish species, 29 key factors/processes were pinpointed. GENERAL SIGNIFICANCE Future trends were identified and translated into 25 factors/processes to be addressed. Unveiling the neurosensory toxicity of Hg in fish has a major motivation of protecting ichtyopopulations and ecosystems, but can also provide fundamental knowledge to the field of human neurodevelopment.
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Affiliation(s)
- Patrícia Pereira
- Department of Biology and CESAM, University of Aveiro, Aveiro 3810-193, Portugal
| | - Malgorzata Korbas
- Science Division, Canadian Light Source Inc., Saskatoon, Canada; Department of Anatomy and Cell Biology, University of Saskatchewan, Saskatoon, Canada
| | - Vitória Pereira
- Department of Biology and CESAM, University of Aveiro, Aveiro 3810-193, Portugal
| | - Tiziana Cappello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, Messina 98166, Italy
| | - Maria Maisano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, Messina 98166, Italy
| | - João Canário
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa 1049-001, Portugal
| | - Armando Almeida
- Life and Health Sciences Research Institute (ICVS), School of Medicine (EM), University of Minho, Campus of Gualtar, Braga 4750-057, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Portugal
| | - Mário Pacheco
- Department of Biology and CESAM, University of Aveiro, Aveiro 3810-193, Portugal.
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Bhattacharya S. Mechanisms of signal transduction in the stress response of hepatocytes. INTERNATIONAL REVIEW OF CYTOLOGY 1998; 184:109-56. [PMID: 9697312 DOI: 10.1016/s0074-7696(08)62180-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Adaptation of animals to stress is a unique property of life which allows the survival of the species. The stress response of hepatocytes is a very complex phenomenon, sometimes involving a cascade of events. The general stress signals are elucidated by mobilization of carbohydrate stores and akin to the insulin mediators. Oxidative signals are generated by pesticides, heavy metals, drugs, and alcohol which may or may not be under the purview of peroxisomes. Peroxisomal responses are well-defined involving specific receptors, whereas nonperoxisomal responses may be signaled by calcium, the Ah receptor, or built-in antioxidant systems. The intoxication signals are generally thought to be membrane defects induced by xenobiotics which then lead to highly nonspecific responses of hepatocytes. Detoxication signals, on the other hand, are specific responses of hepatocytes triggering de novo syntheses of detoxifier proteins or enzymes. Evidence reveals the existence of two distinct mechanisms of signal transduction in stressed hepatocytes--one involving the peroxisome and the other the plasma membrane.
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Affiliation(s)
- S Bhattacharya
- Department of Zoology, Visva Bharati University, Santiniketan, India
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Bose S, Ghosh P, Ghosh S, Bhattacharya S. Distribution kinetics of inorganic mercury in the subcellular fractions of fish liver. THE SCIENCE OF THE TOTAL ENVIRONMENT 1993; Suppl Pt 1:533-538. [PMID: 8108710 DOI: 10.1016/s0048-9697(05)80055-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The present study tries to find out the kinetics of distribution of mercury in the different subcellular fractions of the liver in a freshwater perch Anabas testudineus over a period of 48 h after a single i.m. injection of [203Hg]mercuric nitrate at a dose of 4 mg/kg body weight. The fish were killed at 15 min, 2 h, 6 h and 48 h post injection. In addition the interaction of this metal with different biomolecules, viz., protein, DNA and RNA, was also investigated. Cytosol was found to be the major site of mercury accumulation. Moderate amounts of accumulation occurred in the nuclear, mitochondrial and microsomal fractions, although varying with time, while the lysosomal fraction did not reveal any spectacular retention of mercury. A significant increase in the protein content of nuclear, mitochondrial, lysosomal and cytosolic fractions was also noticed at different time periods of mercury injection. In the nuclear, microsomal and cytosolic proteins, mercury binding increased more significantly over time than the mitochondrial and lysosomal proteins. A biphasic binding pattern of mercury was seen in nuclear and mitochondrial DNA and mitochondrial and cytosolic RNA.
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Affiliation(s)
- S Bose
- Department of Zoology, Visva-Bharati University, Santiniketan, India
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Venugopal NB, Reddy SL. Effect of trivalent and hexavalent chromium on renal and hepatic tissue glycogen metabolism of a fresh water teleost Anabas scandens. ENVIRONMENTAL MONITORING AND ASSESSMENT 1992; 21:133-140. [PMID: 24234404 DOI: 10.1007/bf00403554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The in vivo toxic impact of chromium in its two forms (trivalent and hexavalent) on glycogen metabolism in the liver and kidney of a fresh water teleost Anabas scandens was studied. In a sub-chronic exposure of 30 days, depletion of glycogen and glucose reserves reflected in the activity patterns of glycogen phosphorylases 'a and ab'. While both forms of chromium induced alterations in enzyme activities and metabolite levels in the two tissues, Cr(+6) exerted greater effects in the kidney.
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Affiliation(s)
- N B Venugopal
- Department of Zoology, Osmania University, 500 007, Hyderabad, India
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Baatrup E. Structural and functional effects of heavy metals on the nervous system, including sense organs, of fish. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. C, COMPARATIVE PHARMACOLOGY AND TOXICOLOGY 1991; 100:253-7. [PMID: 1677859 DOI: 10.1016/0742-8413(91)90163-n] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
1. Today, fish in the environment are inevitably exposed to chemical pollution. Although most hazardous substances are present at concentrations far below the lethal level, they may still cause serious damage to the life processes of these animals. 2. Fish depend on an intact nervous system, including their sense organs, for mediating relevant behaviour such as food search, predator recognition, communication and orientation. 3. Unfortunately, the nervous system is most vulnerable and injuries to its elements may dramatically change the behaviour and consequently the survival of fish. 4. Heavy metals are well known pollutants in the aquatic environment. Their interaction with relevant chemical stimuli may interfere with the communication between fish and environment. 5. The affinity for a number of ligands and macromolecules makes heavy metals most potent neurotoxins. 6. The present Mini-Review highlights some aspects of how trace concentrations of mercury, copper and lead affect the integrity of the fish nervous system; structurally, physiologically and biochemically.
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Affiliation(s)
- E Baatrup
- Institute of Zoology and Zoophysiology, University of Aarhus, Denmark
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Murti R, Shukla GS. Mercuric chloride intoxication in freshwater prawn. II. Effect on phosphatases activity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 1984; 8:581-586. [PMID: 6096112 DOI: 10.1016/0147-6513(84)90018-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The effects of mercuric chloride intoxication on the activities of acid and alkaline phosphatases and glucose-6-phosphatase in the hepatopancreas of a freshwater prawn Macrobrachium lamarrei (H. Milne Edwards) were determined after 24, 48, 72, and 96 hr. Mercuric chloride intoxication resulted in elevation of acid phosphatase and inhibition of alkaline phosphatase activities, but glucose-6-phosphatase activity was elevated up to 72 hr after which (i.e., after 96 hr of exposure) inhibition in the enzyme activity was noted at two higher concentrations. Alterations in the activities of these enzymes after mercuric chloride intoxication have been shown to adversely affect the general metabolism of the freshwater prawn.
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Murti R, Shukla GS. Mercuric chloride intoxication in freshwater prawn. I. Effect on carbohydrate metabolism. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 1984; 8:284-288. [PMID: 6234159 DOI: 10.1016/0147-6513(84)90032-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The effects of mercuric chloride on the glycogen content of various tissues and on the hemolymph glucose level of freshwater prawns, Macrobrachium lamarrei (M. Edwards), have been studied. Mercuric chloride depleted the glycogen content of different tissues. The hemolymph glucose level was decreased within 24 hr and later increased significantly up to 72 hr. Further, a remarkable decrease in glucose level was observed after 96 hr. The possible cause of disturbance in carbohydrate metabolism in relation to mercury intoxication is briefly discussed.
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