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Öz M, Inanan BE, Üstüner E, Karagoz B, Dikel S. Effects of dietary garlic (Allium sativum) oil on growth performance, haemato-biochemical and histopathology of cypermethrin-intoxicated Nile tilapia (Oreochromis niloticus). Vet Med Sci 2024; 10:e1449. [PMID: 38581350 PMCID: PMC10998455 DOI: 10.1002/vms3.1449] [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: 11/15/2023] [Revised: 03/08/2024] [Accepted: 03/24/2024] [Indexed: 04/08/2024] Open
Abstract
BACKGROUND When pesticides are introduced into wetlands by agriculture, fish quickly absorb them through their gills. Pesticides reduce hatchability, impede growth, and antioxidant response, killing fish. Therefore, it's crucial to find effective pesticide mitigation methods for fish. OBJECTIVE In this study, the effects of garlic (Allium sativum) oil on the growth, haematology, biochemistry and histopathology parameters of Nile tilapia (Oreochromis niloticus) exposed to cypermethrin toxicity were investigated. METHODS In the research, cypermethrin was added to the water of the experimental groups at a rate of 1:20 of the LC50 value, and 1.00% garlic oil was added to the fish feed. Fish with an initial weight of 30.26 ± 0.26 g were fed for 45 days. RESULTS At the end of feeding, the final weights were determined as 69.39 ± 0.41 (G1), 61.81 ± 0.65 (G2), 82.25 ± 0.36 (G3), and 75.04 ± 0.68 (G4) grams, respectively. Histopathological examinations revealed serious lesions in the gill, liver, brain, and muscle tissues in the cypermethrin group, whereas these lesions were minimal or absent in the garlic oil group. CONCLUSIONS Garlic oil supplementation had positive effects on growth, haematology, blood biochemistry, hepatosomatic index and histopathological parameters. These findings suggest that garlic oil is a potential protective agent against cypermethrin toxicity.
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Affiliation(s)
- Mustafa Öz
- Faculty of Veterinary MedicineDepartment of Fisheries and DiseasesAksaray UniversityAksarayTurkey
| | - Burak Evren Inanan
- Faculty of Veterinary MedicineDepartment of Fisheries and DiseasesAksaray UniversityAksarayTurkey
| | - Enes Üstüner
- Faculty of Veterinary MedicineDepartment of Fisheries and DiseasesAksaray UniversityAksarayTurkey
| | - Betül Karagoz
- Department of Fisheries and DiseasesGraduate School of Health SciencesAksaray UniversityAksarayTurkey
| | - Suat Dikel
- Faculty of FisheriesDepartment of AquacultureCukurova UniversityAdanaTurkey
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2
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Parker KS, El N, Buldo EC, MacCormack TJ. Mechanisms of PVP-functionalized silver nanoparticle toxicity in fish: Intravascular exposure disrupts cardiac pacemaker function and inhibits Na +/K +-ATPase activity in heart, but not gill. Comp Biochem Physiol C Toxicol Pharmacol 2024; 277:109837. [PMID: 38218567 DOI: 10.1016/j.cbpc.2024.109837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 01/15/2024]
Abstract
Polyvinylpyrrolidone-functionalized silver nanoparticles (nAgPVP) are popular in consumer products for their colloidal stability and antimicrobial activity. Whole lake additions of nAgPVP cause long term, ecosystem-scale changes in fish populations but the mechanisms underlying this effect are unclear. We have previously shown that in fish, nAgPVP impairs cardiac contractility and Na+/K+-ATPase (NKA) activity in vitro, raising the possibility that heart dysfunction could underlie population-level exposure effects. The goal of this study was to determine if nAgPVP influences the control of heart rate (fh), blood pressure, or cardiac NKA activity in vivo. First, a dose-response curve for the effects of 5 nm nAgPVP on contractility was completed on isometrically contracting ventricular muscle preparations from Arctic char (Salvelinus alpinus) and showed that force production was lowest at 500 μg L-1 and maximum pacing frequency increased with nAgPVP concentration. Stroke volume, cardiac output, and power output were maintained in isolated working heart preparations from brook char (Salvelinus fontinalis) exposed to 700 μg L-1 nAgPVP. Both fh and blood pressure were elevated after 24 h in brook char injected with 700 μg kg body mass-1 nAgPVP and fh was insensitive to modulation with blockers of β-adrenergic and muscarinic cholinergic receptors. Na+/K+-ATPase activity was significantly lower in heart, but not gill of nAgPVP injected fish. The results indicate that nAgPVP influences cardiac function in vivo by disrupting regulation of the pacemaker and cardiomyocyte ionoregulation. Impaired fh regulation may prevent fish from appropriately responding to environmental or social stressors and affect their ability to survive.
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Affiliation(s)
- K S Parker
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB, Canada
| | - N El
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB, Canada
| | - E C Buldo
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB, Canada
| | - T J MacCormack
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB, Canada.
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3
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Chakraborty P, Krishnani KK, Mulchandani A, Sarkar DJ, Das BK, Paniprasad K, Banerjee Sawant P, Kumar N, Sarkar B, Poojary N, Mallik A, Pal P. Toxicity assessment of poultry-waste biosynthesized nanosilver in Anabas testudineus (Bloch, 1792) for responsible and sustainable aquaculture development-A multi-biomarker approach. ENVIRONMENTAL RESEARCH 2023; 235:116648. [PMID: 37451582 DOI: 10.1016/j.envres.2023.116648] [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: 07/05/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
The current study investigates the potential utilization of poultry intestines for the synthesis of stable silver nanoparticles (AgNPs) and their impact on fish physiology. The AgNPs were synthesized and characterized using various analytical techniques. The toxicity of AgNPs on Anabas testudineus was evaluated, determining a 96-h LC50 value of 25.46 mg l-1. Subsequently, fish were exposed to concentrations corresponding to 1/10th, 1/25th, 1/50th, and 1/100th of the estimated LC50 for a duration of 60 days in a sub-acute study. A comprehensive range of biomarkers, including haematological, serum, oxidative stress, and metabolizing markers, were analyzed to assess the physiological responses of the fish. Additionally, histopathological examinations were conducted, and the accumulation of silver in biomarker organs was measured. The results indicate that silver tends to bioaccumulate in all biomarker organs in a dose- and time-dependent manner, except for the muscle tissue, where accumulation initially increased and subsequently decreased, demonstrating the fish's inherent ability for natural attenuation. Analysis of physiological data and integrated biomarker responses reveal that concentrations of 1/10th, 1/25th, and 1/50th of the LC50 can induce stress in the fish, while exposure to 1/100th of the LC50 shows minimal to no stress response. Overall, this study provides valuable insights into the toxicity and physiological responses of fish exposed to poultry waste biosynthesized AgNPs, offering potential applications in aquaculture while harnessing their unique features.
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Affiliation(s)
- Puja Chakraborty
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Kishore Kumar Krishnani
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India.
| | - Ashok Mulchandani
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, 92521, USA
| | - Dhruba Jyoti Sarkar
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, Kolkata, India
| | - Basanta Kumar Das
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, Kolkata, India
| | - Kurcheti Paniprasad
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Paramita Banerjee Sawant
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Neeraj Kumar
- ICAR-National Institute of Abiotic Stress Management, Baramati, Pune, Maharashtra, 413115, India
| | - Biplab Sarkar
- ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, 834010, India
| | - Nalini Poojary
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Abhijit Mallik
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai, 400061, India
| | - Prasenjit Pal
- College of Fisheries, Central Agricultural University, Imphal, 799210, India
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4
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Geils KM, Slongo BD, Hayhurst LD, Ripku T, Metcalfe CD, Rennie MD. Consumption and activity decline in Northern Pike (Esox lucius) during and after silver nanoparticle addition to a lake. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 257:106458. [PMID: 36863155 DOI: 10.1016/j.aquatox.2023.106458] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Silver nanoparticles (AgNPs) are antimicrobial additives in many consumer products with high potential for release into aquatic ecosystems. Though AgNPs have been shown to have negative impacts on fish in laboratory experiments, these effects are rarely observed at ecologically relevant concentrations or in situ in field settings. To evaluate ecosystem-level effects of this contaminant, AgNPs were added to a lake at the IISD Experimental Lakes Area (IISD-ELA) during 2014 and 2015. Mean total silver (TAg) concentrations in the water column were 4 µg L-1 during additions. The growth of Northern Pike (Esox lucius) declined, and their primary prey, Yellow Perch (Perca flavescens) became less abundant after AgNP exposure. Here, we used a combined contaminant-bioenergetics modeling approach to show that individual activity and both individual and population-level consumption of Northern Pike declined significantly in the lake dosed with AgNPs, which, combined with other evidence, suggests that observed declines in body size were likely a result of indirect effects (i.e., reduced prey availability). Further, we found the contaminant-bioenergetics approach was sensitive to modelled elimination rates of mercury, overestimating consumption and activity by 43% and 55%, respectively, when using the mercury elimination rate commonly used in these models versus field-derived estimates for this species. This study contributes to the growing evidence of potentially long-term negative impacts on fish from chronic exposure to environmentally relevant concentrations of AgNPs in a natural setting.
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Affiliation(s)
- K M Geils
- Deprartment of Biology, Lakehead University, Thunder Bay, ON, Canada
| | - B D Slongo
- Deprartment of Biology, Lakehead University, Thunder Bay, ON, Canada
| | - L D Hayhurst
- IISD Experimental Lakes Area, Winnipeg, MB, Canada
| | - T Ripku
- Deprartment of Biology, Lakehead University, Thunder Bay, ON, Canada
| | - C D Metcalfe
- The School of the Environment, Trent University, Peterborough, ON, Canada
| | - M D Rennie
- Deprartment of Biology, Lakehead University, Thunder Bay, ON, Canada; IISD Experimental Lakes Area, Winnipeg, MB, Canada.
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5
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Slongo BD, Hayhurst LD, Drombolis PCT, Metcalfe CD, Rennie MD. Whole-lake nanosilver additions reduce northern pike (Esox lucius) growth. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156219. [PMID: 35623531 DOI: 10.1016/j.scitotenv.2022.156219] [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: 02/21/2022] [Revised: 05/06/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
Nanosilver (AgNP) is an anti-microbial agent widely used in consumer products, with significant potential for these nanoparticles to be released into aquatic environments. Laboratory studies involving short-term exposures of fish to AgNP show a range of toxicological effects, but these studies do not address potential responses in long-lived organisms resulting from chronic exposures. A collaborative study involving additions of AgNP to environmentally relevant concentrations over two field seasons took place at the IISD-Experimental Lakes Area, providing an opportunity to study the impacts of chronic exposures to long-lived fish species. In the present study, we evaluated the abundance and growth of an apex predator, Northern Pike (Esox lucius), collected from Lake 222 before, during and after the AgNP dosing period and compared results to those from a nearby unmanipulated lake (Lake 239). While the abundance of Northern Pike from Lake 222 during the study period was essentially stable, per capita availability of their primary prey species, Yellow Perch (Perca flavescens) declined by over 30%. Northern Pike fork length- and weight-at-age (indices of growth rate) declined following AgNP additions, most notably in age 4 and 5 fish. No similar changes in prey availability or growth were observed in Northern Pike from the reference lake. Body condition did not change in Northern Pike collected from either Lake 222 or Lake 239. Our results indicate that declines in the growth of Northern Pike chronically exposed to AgNP likely resulted from reduced prey availability but direct sublethal effects from AgNP exposure could also have been a factor. The persistence of reduced growth in Northern Pike two years after the cessation of AgNP additions highlight the potential legacy impacts of this contaminant once released into aquatic ecosystems.
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Affiliation(s)
- Brenden D Slongo
- Department of Biology, Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada.
| | - Lauren D Hayhurst
- Department of Biology, Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada; IISD Experimental Lakes Area, Winnipeg, Manitoba R3B 0T4, Canada.
| | - Paul C T Drombolis
- Upper Great Lakes Management Unit, Ontario Ministry of Northern Development, Mines, Natural Resources and Forestry, Thunder Bay, Ontario P7E 6S7, Canada.
| | - Chris D Metcalfe
- School of the Environment, Trent University, Peterborough, Ontario K9L 0G2, Canada.
| | - Michael D Rennie
- Department of Biology, Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada; IISD Experimental Lakes Area, Winnipeg, Manitoba R3B 0T4, Canada.
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6
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Yao Y, Tang M. Advances in endocrine toxicity of nanomaterials and mechanism in hormone secretion disorders. J Appl Toxicol 2021; 42:1098-1120. [PMID: 34935166 DOI: 10.1002/jat.4266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 10/23/2021] [Accepted: 11/05/2021] [Indexed: 12/14/2022]
Abstract
The size of nanoparticles is about 1-100 nm. People are exposed to nanoparticles in environmental pollutants from ancient times to the present. With the maturity of nanotechnology in the past two decades, the production of manufactured nanomaterials is rapidly increasing and they are used in a wide range of aerospace, medicine, food, and industrial applications. However, both natural and manufactured nanomaterials have been proved to pose a threat to diverse organs and systems. The endocrine system is critical to maintaining homeostasis. Endocrine disorders are associated with many diseases, including cancer, reduced fertility, and metabolic diseases. Therefore, we review the literatures dealing with the endocrine toxicity of nanomaterial. This review provides an exhaustive description of toxic effects of several common nanomaterials in the endocrine system; more involved are reproductive endocrinology. Then physicochemical factors that determine the endocrine toxicity of nanomaterials are discussed. Furthermore, oxidative stress, changes in steroid production and metabolic enzymes, organelle disruption, and alterations in signal pathways are introduced as potential mechanisms that may cause changes in hormone levels. Finally, we suggest that a risk assessment of endocrine toxicity based on standard procedures and consideration of endocrine disrupting effects of nanomaterials in the field and its environmental and population effects could be future research directions for endocrine toxicity of nanomaterials.
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Affiliation(s)
- Yongshuai Yao
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
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7
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Brandts I, Balasch JC, Gonçalves AP, Martins MA, Pereira ML, Tvarijonaviciute A, Teles M, Oliveira M. Immuno-modulatory effects of nanoplastics and humic acids in the European seabass (Dicentrarchus labrax). JOURNAL OF HAZARDOUS MATERIALS 2021; 414:125562. [PMID: 34030413 DOI: 10.1016/j.jhazmat.2021.125562] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/11/2021] [Accepted: 02/26/2021] [Indexed: 06/12/2023]
Abstract
Pernicious effects of plastic particles, emergent contaminants worldwide, have been described in different species. In teleost species, alterations of immune function after exposure to nanoplastics (NPs) have been reported, but the interaction with cortisol - hypothalamic-pituitary-adrenal (HPI) axis has not yet been explored. Furthermore, the role of dissolved organic matter on the effects of NPs is poorly known. Thus, the aims of this research were to assess if polystyrene NPs (PSNPs) acted as a stressor on juvenile European seabass (Dicentrarchus labrax), interfering with the immune response, as well as to elucidate if humic acids (HA) modulated the potential effects of PSNPs. A short-term exposure to PSNPs and HA elicited an immuno-modulatory response, with an activation of steroidogenic stress-related pathways. An upregulation of anti-inflammatory cytokine (il10, tgfb) and stress-related (mc2r, gr1) transcripts were observed after exposure to HA and PSNPs both individually and in co-exposure. No notable alteration of inflammatory markers was consistently found, which may reflect a protective anti-inflammatory effect of HA in the presence of PSNPs. Nevertheless, there seems to be a more complex interaction between both components. Overall, data show that understanding the interaction of NPs with dissolved organic substances is key to deciphering their environmental risks.
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Affiliation(s)
- I Brandts
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain; Institute of Biotechnology and Biomedicine (IBB), Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - J C Balasch
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - A P Gonçalves
- Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M A Martins
- CICECO-Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M L Pereira
- CICECO-Aveiro Institute of Materials, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
| | - A Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis INTERLAB-UMU, Regional Campus of International Excellence Mare Nostrum, University of Murcia, Espinardo, Murcia 30100, Spain
| | - M Teles
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain; Institute of Biotechnology and Biomedicine (IBB), Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - M Oliveira
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal.
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8
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Hayhurst LD, Martin JD, Wallace SJ, Langlois VS, Xenopoulos MA, Metcalfe CD, Rennie MD. Multi-Level Responses of Yellow Perch (Perca flavescens) to a Whole-Lake Nanosilver Addition Study. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 79:283-297. [PMID: 33063196 DOI: 10.1007/s00244-020-00764-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/21/2020] [Indexed: 06/11/2023]
Abstract
Silver nanoparticles (AgNP) are widely used as antibacterial agents in both commercial products and for industrial applications. As such, AgNP has a high potential for release into freshwater environments. As part of a whole-lake ecosystem experiment to examine the impacts of AgNP exposure at low µg/L concentrations over multiple years, we evaluated biological responses in Yellow Perch (Perca flavescens) before, during, and after AgNP additions to a freshwater lake. Yellow Perch were monitored for responses to in situ AgNP additions at the cellular (suite of biomarkers), individual (growth, prey consumption, and metabolism), and population (abundance and gross prey consumption) scales. At the cellular level, several biomarkers of oxidative stress in liver tissues revealed down-regulation, including decreased mRNA levels of catalase and glutathione peroxidase in Yellow Perch collected during AgNP exposure, and elevated ratios of reduced to oxidized glutathione. At the individual level, Yellow Perch bioenergetic models revealed that prey consumption and total metabolism significantly declined during AgNP additions and remained depressed one year after AgNP addition. At the population level, Yellow Perch densities and gross prey consumption declined after AgNP was added to the lake. Together, these results reveal a holistic assessment of the negative impacts of chronic exposure to environmentally relevant AgNP concentrations (i.e., µg/L) on Yellow Perch at cellular, individual, and population levels.
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Affiliation(s)
- Lauren D Hayhurst
- Department of Biology, Lakehead University, Thunder Bay, ON, Canada.
- IISD Experimental Lakes Area Inc., Winnipeg, MB, Canada.
| | - Jonathan D Martin
- School of the Environment, Trent University, Peterborough, ON, Canada
| | - Sarah J Wallace
- Centre Eau Terre Environnement, Institut National de la Recherche Scientifique, Québec City, QC, Canada
| | - Valérie S Langlois
- Centre Eau Terre Environnement, Institut National de la Recherche Scientifique, Québec City, QC, Canada
| | | | - Chris D Metcalfe
- School of the Environment, Trent University, Peterborough, ON, Canada
| | - Michael D Rennie
- Department of Biology, Lakehead University, Thunder Bay, ON, Canada
- IISD Experimental Lakes Area Inc., Winnipeg, MB, Canada
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Banan A, Kalbassi MR, Bahmani M, Sotoudeh E, Johari SA, Ali JM, Kolok AS. Salinity modulates biochemical and histopathological changes caused by silver nanoparticles in juvenile Persian sturgeon (Acipenser persicus). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:10658-10671. [PMID: 31939027 DOI: 10.1007/s11356-020-07687-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 01/07/2020] [Indexed: 06/10/2023]
Abstract
The objective of this study was to evaluate the effect of salinity on the acute and sub-chronic toxicity of silver nanoparticles (AgNPs) in Persian sturgeon. This was evaluated by exposing Persian sturgeon to AgNPs in three salinities: freshwater (F: 0.4 ppt), brackish water 1 (B1: 6 ± 0.2 ppt), and brackish water 2 (B2: 12 ± 0.3 ppt) for 14 days, which was followed by analysis of alterations in plasma chemistry and histopathology of the gills, liver, and intestine. Values of 96-h median lethal concentration (LC50) were calculated as 0.89 mg/L in F, 2.07 mg/L in B1, and 1.59 mg/L in B2. After sub-chronic exposures, plasma cortisol, glucose, potassium, and sodium levels illustrated no significant changes within each salinity level. In F, 0.2 mg/L AgNP caused the highest levels of alkaline phosphatase and osmolality levels. In B1, 0.6 mg/L AgNP induced the highest level of alkaline phosphatase and elevated plasma osmolality was recorded in all AgNP-exposed treatments in comparison with the controls. The B2 treatment combined with 0.6 mg/L AgNP significantly reduced plasma chloride level. The results showed elevating salinity significantly increased osmolality, chloride, sodium, and potassium levels of plasma in the fish exposed to AgNPs. The abundance of the tissue lesions was AgNP concentration-dependent, where the highest number of damages was observed in the gills, followed by liver and intestine, respectively. The histopathological study also confirmed alterations such as degeneration of lamella, lifting of lamellar epithelium, hepatic vacuolation, pyknotic nuclei, and cellular infiltration of the lamina propria elicited by AgNPs in the gills, liver, and intestine of Persian sturgeon. In conclusion, the stability of AgNPs in aquatic environments can be regulated by changing the salinity, noting that AgNPs are more stable in low salinity waters.
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Affiliation(s)
- Ashkan Banan
- Department of Animal Sciences, Faculty of Agriculture and Natural Resources, Lorestan University, 68151, Khorramabad, Iran.
| | - Mohammad Reza Kalbassi
- Department of Aquaculture, School of Marine Sciences, Tarbiat Modares University, 46414, Tehran, Iran.
| | - Mahmoud Bahmani
- Iranian Fisheries Science and Research Institute, 15745, Tehran, Iran
| | - Ebrahim Sotoudeh
- Department of Fisheries, Faculty of Marine Science and Technology, Persian Gulf University, 75169, Bushehr, Iran
| | - Seyed Ali Johari
- Fisheries Department, Natural Resources Faculty, University of Kurdistan, 66177, Sanandaj, Iran
| | - Jonathan M Ali
- Permitting and Environmental Health Bureau, New Hampshire Department of Environmental Services, 03302, Concord, USA
| | - Alan S Kolok
- Idaho Water Resources Research Institute, University of Idaho, 83844, Moscow, USA
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10
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Brun NR, van Hage P, Hunting ER, Haramis APG, Vink SC, Vijver MG, Schaaf MJM, Tudorache C. Polystyrene nanoplastics disrupt glucose metabolism and cortisol levels with a possible link to behavioural changes in larval zebrafish. Commun Biol 2019; 2:382. [PMID: 31646185 PMCID: PMC6802380 DOI: 10.1038/s42003-019-0629-6] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 09/23/2019] [Indexed: 01/05/2023] Open
Abstract
Plastic nanoparticles originating from weathering plastic waste are emerging contaminants in aquatic environments, with unknown modes of action in aquatic organisms. Recent studies suggest that internalised nanoplastics may disrupt processes related to energy metabolism. Such disruption can be crucial for organisms during development and may ultimately lead to changes in behaviour. Here, we investigated the link between polystyrene nanoplastic (PSNP)-induced signalling events and behavioural changes. Larval zebrafish exhibited PSNP accumulation in the pancreas, which coincided with a decreased glucose level. By using hyperglycemic and glucocorticoid receptor (Gr) mutant larvae, we demonstrate that the PSNP-induced disruption in glucose homoeostasis coincided with increased cortisol secretion and hyperactivity in challenge phases. Our work sheds new light on a potential mechanism underlying nanoplastics toxicity in fish, suggesting that the adverse effect of PSNPs are at least in part mediated by Gr activation in response to disrupted glucose homeostasis, ultimately leading to aberrant locomotor activity.
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Affiliation(s)
- Nadja R. Brun
- Institute of Environmental Sciences (CML), Leiden University, Leiden, The Netherlands
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA USA
| | - Patrick van Hage
- Institute of Environmental Sciences (CML), Leiden University, Leiden, The Netherlands
| | | | | | - Suzanne C. Vink
- Institute of Environmental Sciences (CML), Leiden University, Leiden, The Netherlands
| | - Martina G. Vijver
- Institute of Environmental Sciences (CML), Leiden University, Leiden, The Netherlands
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Chance RJ, Cameron GA, Fordyce M, Noguera P, Wang T, Collins C, Secombes CJ, Collet B. Effects of repeated anaesthesia on gill and general health of Atlantic salmon, Salmo salar. JOURNAL OF FISH BIOLOGY 2018; 93:1069-1081. [PMID: 30242832 DOI: 10.1111/jfb.13803] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 09/18/2018] [Indexed: 06/08/2023]
Abstract
Fish are the second most widely utilized vertebrate group used for scientific procedures in the United Kingdom, but the development and application of 3Rs (the principles of replacement, reduction, and refinement) in aquaculture disease research lags behind methodologies in place for mammalian studies. With a need for individual monitoring and non-lethal sampling, the effect of repeat anaesthesia on experimental fish needs to be better understood. This study analyses the effect of repeat anaesthesia with MS-222, metomidate and AQUI-S upon the gill and general health of post-smolt Atlantic salmon Salmo salar. A single, lethal dose of anaesthetic was compared with seven anaesthetizing time points over 28 days, terminating in a lethal dose. No anaesthetic showed significant differences in accumulation in the muscle tissue, or changes in plasma glucose after repeated or single dosing. Fish repeatedly anaesthetized with MS-222 or AQUI-S exhibited upregulation of osmoregulatory genes in the gill and AQUI-S-treated individuals showed, histologically, epithelial lifting from the lamellae capillary irrespective of whether they had a single or repeated dose history. No significant changes were seen in inflammatory or stress genes in the head kidney of fish repeatedly anaesthetized with AQUI-S or metomidate, however MS-222 treatment resulted in upregulation of tnfα3. Repeated anaesthesia with MS-222 and metomidate gave a significant decrease and increase in peripheral blood neutrophils, respectively. This study concludes that no increase in cumulative stress or inflammation is induced by the repeated anaesthetization of S. salar with any of the tested anaesthetics, however gill osmotic regulation and blood parameters may be affected.
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Affiliation(s)
- Rachel J Chance
- Scottish Fish Immunology Research Centre, University of Aberdeen, Aberdeen, UK
- Marine Laboratory, Marine Scotland Science, Aberdeen, UK
| | - Gary A Cameron
- Rowett Institute of Nutrition and Health, University of Aberdeen, Aberdeen, UK
| | - Mark Fordyce
- Marine Laboratory, Marine Scotland Science, Aberdeen, UK
| | | | - Tiehui Wang
- Scottish Fish Immunology Research Centre, University of Aberdeen, Aberdeen, UK
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Murray L, Rennie MD, Svendsen JC, Enders EC. Effect of nanosilver on metabolism in rainbow trout (Oncorhynchus mykiss): An investigation using different respirometric approaches. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2017; 36:2722-2729. [PMID: 28419542 DOI: 10.1002/etc.3827] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 08/02/2016] [Accepted: 04/14/2017] [Indexed: 06/07/2023]
Abstract
Nanosilver (nAg) has been incorporated into many consumer products, including clothing and washing machines, because of its antimicrobial properties. Consequently, the potential for its release into aquatic environments is of significant concern. Documented toxic effects on fish include altered gene expression, gill damage, and impaired gas exchange, as well as mortality at high nAg concentrations. The present study reports the effects of nAg on the metabolism of rainbow trout (Oncorhynchus mykiss). Fish were exposed to environmentally relevant concentrations (0.28 ± 0.02 μg/L) and higher (47.60 ± 5.13 μg/L) for 28 d, after which their standard metabolic rate (SMR), forced maximum metabolic rate (MMRf ), and spontaneous maximum metabolic rate (MMRs ) were measured. There was no effect observed in SMR, MMRf , or MMRs , suggesting that nAg is unlikely to directly affect fish metabolism. On average, MMRs tended to be greater than MMRf , and most MMRs occurred when room lighting increased. The timing of MMRf chase protocols was found to affect both MMRf and SMR estimates, in that chasing fish before respirometric experiments caused higher MMRf estimates and lower SMR estimates. Although compounded effects involving nAg and other environmental stressors remain unknown, the present study indicates that the tested range of nAg is unlikely to constrain fish metabolism. Environ Toxicol Chem 2017;36:2722-2729. © 2017 SETAC.
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Affiliation(s)
- Laura Murray
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Michael D Rennie
- Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada
- IISD-Experimental Lakes Area, Winnipeg, Manitoba, Canada
| | - Jon C Svendsen
- Technical University of Denmark, Charlottenlund, Denmark
| | - Eva C Enders
- Freshwater Institute, Fisheries & Oceans Canada, Winnipeg, Manitoba, Canada
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Martin JD, Telgmann L, Metcalfe CD. A Method for Preparing Silver Nanoparticle Suspensions in Bulk for Ecotoxicity Testing and Ecological Risk Assessment. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 98:589-594. [PMID: 28341993 DOI: 10.1007/s00128-017-2067-9] [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: 08/02/2016] [Accepted: 03/11/2017] [Indexed: 06/06/2023]
Abstract
Methods are needed to prepare stable suspensions of engineered nanoparticles in aqueous matrixes for ecotoxicity testing and ecological risk assessments. We developed a novel method of preparing large volumes of silver nanoparticles (AgNP) in suspension using a commercially available rotor-stator dispersion mill. AgNP in powder form (PVP capped, 30-50 nm) was suspended in deionized water and natural lake water at 1 g/L and the addition of 0.025% (w/v) gum arabic (GA) increased stability over 2 weeks after preparation. The concentrations of total and dissolved Ag in the suspensions did not change significantly over this period. Analysis of hydrodynamic diameters of the major peaks in suspension using dynamic light scattering showed that suspensions prepared with GA were stable, and this was confirmed by single-particle ICP-MS analysis. This method for dispersing AgNPs provides an inexpensive, yet reliable method for preparing suspensions for toxicity testing and ecosystem level studies of the fate and biological effects of AgNPs in aquatic ecosystems.
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Affiliation(s)
- Jonathan D Martin
- Water Quality Centre, Trent University, Peterborough, ON, K9J 7B8, Canada
| | - Lena Telgmann
- Water Quality Centre, Trent University, Peterborough, ON, K9J 7B8, Canada
| | - Chris D Metcalfe
- Water Quality Centre, Trent University, Peterborough, ON, K9J 7B8, Canada.
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