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Lirio PHC, Gaspari PDM, Campos AC. Cannabidiol: Pharmacodynamics and pharmacokinetic in the context of neuropsychiatric disorders. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2024; 177:11-27. [PMID: 39029981 DOI: 10.1016/bs.irn.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
In this chapter we explored the growing interest in cannabinoids, particularly cannabidiol (CBD), over the last two decades due to their potential therapeutic applications in neurodegenerative and psychiatric disorders. CBD, a major non-psychotomimetic compound derived from Cannabis sativa, is highlighted as a safer alternative to other cannabinoids like Δ9-tetrahydrocannabinol (THC). Clinical trials have been investigating CBD formulations for conditions such as schizophrenia, multiple sclerosis, Alzheimer's, Parkinson's diseases, and stress-related disorders. However, limited access to CBD-approved formulations primarily due to their high-cost and concerns about the quality of market-available products, challenges regulatory agencies globally. The pharmacokinetics of CBD, especially after oral administration, present challenges with erratic absorption and low bioavailability. CBD's "promiscuous" pharmacodynamics involve interactions with various targets beyond the endocannabinoid system, complicating precise dosing in therapeutic interventions. This chapter delves into CBD's dose-response curves, revealing complexities that pose challenges in clinical practice. Nanobiotechnology emerges as a promising solution, with recent developments showing improved bioavailability, stability, and reduced toxicity through nanoencapsulation of CBD. While this phytocannabinoid holds immense promise in neuropsychopharmacology, we provided a comprehensive overview of the current state of CBD research and suggests potential future directions regarding the pharmacology of CBD, harnessing the benefits of this intriguing compound.
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Affiliation(s)
- Pedro H C Lirio
- Pharmacology of Neuroplasticity Lab, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil; Center for Cannabinoid Research, Mental Health Building, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Priscyla D M Gaspari
- GNanoBio, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Alline C Campos
- Pharmacology of Neuroplasticity Lab, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil; Center for Cannabinoid Research, Mental Health Building, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.
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2
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Kandaswamy K, Guru A, Panda SP, Antonyraj APM, Kari ZA, Giri J, Almutairi BO, Arokiyaraj S, Malafaia G, Arockiaraj J. Polystyrene nanoplastics synergistically exacerbate diclofenac toxicity in embryonic development and the health of adult zebrafish. Comp Biochem Physiol C Toxicol Pharmacol 2024; 281:109926. [PMID: 38641085 DOI: 10.1016/j.cbpc.2024.109926] [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: 01/24/2024] [Revised: 03/30/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
In this study, we investigated the possible ecotoxicological effect of co-exposure to polystyrene nanoplastics (PS-NPs) and diclofenac (DCF) in zebrafish (Danio rerio). After six days of exposure, we noticed that the co-exposure to PS-NP (100 μg/L) and DCF (at 50 and 500 μg/L) decreased the hatching rate and increased the mortality rate compared to the control group. Furthermore, we noted that larvae exposed to combined pollutants showed a higher frequency of morphological abnormalities and increased oxidative stress, apoptosis, and lipid peroxidation. In adults, superoxide dismutase and catalase activities were also impaired in the intestine, and the co-exposure groups showed more histopathological alterations. Furthermore, the TNF-α, COX-2, and IL-1β expressions were significantly upregulated in the adult zebrafish co-exposed to pollutants. Based on these findings, the co-exposure to PS-NPs and DCF has shown an adverse effect on the intestinal region, supporting the notion that PS-NPs synergistically exacerbate DCF toxicity in zebrafish.
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Affiliation(s)
- Karthikeyan Kandaswamy
- Department of Cariology, Saveetha Dental College and Hospitals, SIMATS, Chennai 600 077, Tamil Nadu, India
| | - Ajay Guru
- Department of Cariology, Saveetha Dental College and Hospitals, SIMATS, Chennai 600 077, Tamil Nadu, India.
| | - Siva Prasad Panda
- Institute of Pharmaceutical Research, GLA University, Mathura, Uttarpradesh, India
| | - Anahas Perianaika Matharasi Antonyraj
- Department of Research Analytics, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Poonamallee, Chennai 600 077, Tamil Nadu, India
| | - Zulhisyam Abdul Kari
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Jeli 17600, Malaysia; Advanced Livestock and Aquaculture Research Group, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, Jeli 17600, Malaysia
| | - Jayant Giri
- Department of Mechanical Engineering, Yeshwantrao Chavan College of Engineering, Nagpur, India
| | - Bader O Almutairi
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Riyadh, Saudi Arabia
| | - Selvaraj Arokiyaraj
- Department of Food Science & Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment and Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil.
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu District, Tamil Nadu, India.
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Martínez-Álvarez I, Le Menach K, Cajaraville MP, Budzinski H, Orbea A. Effects of polystyrene nano- and microplastics and of microplastics with sorbed polycyclic aromatic hydrocarbons in adult zebrafish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172380. [PMID: 38604358 DOI: 10.1016/j.scitotenv.2024.172380] [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: 01/04/2024] [Revised: 03/15/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
The presence of nanoplastics (NPs) and microplastics (MPs) in the environment is recognised as a global-scale problem. Due to their hydrophobic nature and large specific surface, NPs and MPs can adsorb other contaminants, as polycyclic aromatic hydrocarbons (PAHs), and modulate their bioavailability and hazard. Adult zebrafish were exposed for 3 and 21 days to: (1) 0.07 mg/L NPs (50 nm), (2) 0.05 mg/L MPs (4.5 μm), (3) MPs with sorbed oil compounds of the water accommodated fraction (WAF) of a naphthenic crude oil (MPs-WAF), (4) MPs with sorbed benzo(a)pyrene (MPs-B(a)P), (5) 5 % WAF and (6) 21 μg/L B(a)P. Electrodense particles resembling NPs were seen in the intestine lumen close to microvilli. MPs were abundantly found in the intestine lumen, but not internalised into the tissues. After 21 days, NPs caused a significant downregulation of cat, and upregulation of gpx1a and sod1, while MPs upregulated cyp1a and increased the prevalence of liver vacuolisation. No histopathological alteration was observed in gills. In this study, contaminated MPs did not increase PAH levels in zebrafish but results highlight the potential differential impact of plastic particles depending on their size, making it necessary to urgently address the ecotoxicological impact of real environmental NPs and MPs.
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Affiliation(s)
- Ignacio Martínez-Álvarez
- CBET Research Group, Dept. of Zoology and Animal Cell Biology; Research Centre for Experimental Marine Biology and Biotechnology PiE and Science and Technology Faculty, University of the Basque Country (UPV/EHU). Sarriena z/g, E-48940 Leioa, Basque Country, Spain; University of Bordeaux, EPOC-LPTC, UMR 5805 CNRS, F-33405 Talence Cedex, France
| | - Karyn Le Menach
- University of Bordeaux, EPOC-LPTC, UMR 5805 CNRS, F-33405 Talence Cedex, France
| | - Miren P Cajaraville
- CBET Research Group, Dept. of Zoology and Animal Cell Biology; Research Centre for Experimental Marine Biology and Biotechnology PiE and Science and Technology Faculty, University of the Basque Country (UPV/EHU). Sarriena z/g, E-48940 Leioa, Basque Country, Spain
| | - Hélène Budzinski
- University of Bordeaux, EPOC-LPTC, UMR 5805 CNRS, F-33405 Talence Cedex, France
| | - Amaia Orbea
- CBET Research Group, Dept. of Zoology and Animal Cell Biology; Research Centre for Experimental Marine Biology and Biotechnology PiE and Science and Technology Faculty, University of the Basque Country (UPV/EHU). Sarriena z/g, E-48940 Leioa, Basque Country, Spain.
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4
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Martin L, Marbach S, Zimba P, Liu Q, Xu W. Uptake of Nanoplastic particles by zebrafish embryos triggers the macrophage response at early developmental stage. CHEMOSPHERE 2023; 341:140069. [PMID: 37673181 DOI: 10.1016/j.chemosphere.2023.140069] [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: 06/20/2023] [Revised: 09/01/2023] [Accepted: 09/03/2023] [Indexed: 09/08/2023]
Abstract
Plastic pollution continues to erupt as a global ecological concern. As plastic debris is degraded into nanoscale and microscale particles via biodegradation, UV-irradiation, and mechanical processes, nanoplastic pollution arises as a threat to virtually every biological and ecological system on the planet. In this study, zebrafish (Danio rerio) embryos were exposed to fluorescently labeled plastic particles at nanoscales (30 nm and 100 nm). The uptake of both the nanoplastic particles (NPs) was found to exponentially increase with incubation time. Penetration of NPs through the natural barrier of the zebrafish embryos, the chorion, was observed prior to the hatching of the embryo. As a result, the NPs were found to accumulate on the body surface as well as inside the body of the zebrafish. The invasion of NPs into zebrafish embryos induced the upregulation of several stress and immune response genes including interleukins (il6 and il1b), cytochrome P450 (cyp1a and cyp51), and reactive oxygen species (ROS) removal protein-encoding genes (sod and cat). This suggested the initiation of ROS generation and removal as well as the activation of the immune response of zebrafish embryos. Colocalization of macrophages and NPs in zebrafish embryos indicated the involvement of macrophage response to the NP invasion at the early developmental stage of zebrafish.
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Affiliation(s)
- Leisha Martin
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Sandra Marbach
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Paul Zimba
- Center for Coastal Studies, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA; Rice Rivers Center, VA Commonwealth University, Richmond, VA, USA
| | - Qianqian Liu
- Department of Health Sciences, College of Nursing and Health Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Wei Xu
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA; Center for Coastal Studies, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA.
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5
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Lin LY, Kantha P, Horng JL. Toxic effects of polystyrene nanoparticles on the development, escape locomotion, and lateral-line sensory function of zebrafish embryos. Comp Biochem Physiol C Toxicol Pharmacol 2023; 272:109701. [PMID: 37478959 DOI: 10.1016/j.cbpc.2023.109701] [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: 03/29/2023] [Revised: 06/24/2023] [Accepted: 07/16/2023] [Indexed: 07/23/2023]
Abstract
Environmental pollution by micro- and nanosized plastic particles is a potential threat to aquatic animals. Polystyrene is one of the most common plastic particles in aquatic environments. Previous studies found that polystyrene nanoparticles (PNs) can penetrate the integument and accumulate in the organs of fish embryos. However, the potential impacts of PNs on fish embryos are not fully understood. To investigate this issue, zebrafish embryos were exposed to different concentrations (10, 25, and 50 mg/L) of PNs (25 nm) for 96 h (4-100 h post-fertilization), and various endpoints were examined, including developmental morphology (body length, sizes of the eyes, otic vesicles, otoliths, pericardial cavity, and yolk sac), locomotion (touch-evoked escape response and spinal motor neurons), and lateral-line function (hair cell number and hair bundle number). Exposure to 50 mg/L of PNs resulted in significant adverse effects across all endpoints studied, indicating that embryonic development was severely disrupted, and both locomotion and sensory function were impaired. However, at 25 mg/L of PNs, only locomotion and sensory function were significantly affected. The effects were insignificant in all examined endpoints at 10 mg/L of PNs. Transcript levels of several marker genes for neuronal function and eye development were suppressed after treatment. Exposure to fluorescent PNs showed that they accumulated in various organs including, the eyes, gills, blood vessels, gallbladder, gut, and lateral line neuromasts. Overall, this study suggests that short-term exposure to a high concentration of PNs can threaten fish survival by impairing embryonic development, locomotion performance, and mechanical sensory function.
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Affiliation(s)
- Li-Yih Lin
- Department of Life Science, School of Life Science, National Taiwan Normal University, Taipei, Taiwan
| | - Phunsin Kantha
- Department of Life Science, School of Life Science, National Taiwan Normal University, Taipei, Taiwan
| | - Jiun-Lin Horng
- Department of Anatomy and Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
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6
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Windell DL, Mourabit S, Moger J, Owen SF, Winter MJ, Tyler CR. The influence of size and surface chemistry on the bioavailability, tissue distribution and toxicity of gold nanoparticles in zebrafish (Danio rerio). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 260:115019. [PMID: 37269610 DOI: 10.1016/j.ecoenv.2023.115019] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/05/2023] [Accepted: 05/14/2023] [Indexed: 06/05/2023]
Abstract
Gold nanoparticles (AuNPs) are widely used in biomedicine and their specific properties including, size, geometrics, and surface coating, will affect their fate and behaviour in biological systems. These properties are well studied for their intended biological targets, but there is a lack of understanding on the mechanisms by which AuNPs interact in non-target organisms when they enter the environment. We investigated the effects of size and surface chemistry of AuNPs on their bioavailability, tissue distribution and potential toxicity using zebrafish (Danio rerio) as an experimental model. Larval zebrafish were exposed to fluorescently tagged AuNPs of different sizes (10-100 nm) and surface modifications (TNFα, NHS/PAMAM and PEG), and uptake, tissue distribution and depuration rates were measured using selective-plane illumination microscopy (SPIM). The gut and pronephric tubules were found to contain detectable levels of AuNPs, and the concentration-dependent accumulation was related to the particle size. Surface addition of PEG and TNFα appeared to enhance particle accumulation in the pronephric tubules compared to uncoated particles. Depuration studies showed a gradual removal of particles from the gut and pronephric tubules, although fluorescence indicating the presence of the AuNPs remained in the pronephros 96 h after exposure. Toxicity assessment using two transgenic zebrafish reporter lines, however, revealed no AuNP-related renal injury or cellular oxidative stress. Collectively, our data show that AuNPs used in medical applications across the size range 40-80 nm, are bioavailable to larval zebrafish and some may persist in renal tissue, although their presence did not result in measurable toxicity with respect to pronephric organ function or cellular oxidative stress for short term exposures.
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Affiliation(s)
- Dylan L Windell
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom
| | - Sulayman Mourabit
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom
| | - Julian Moger
- Physics and Medical Imaging, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, Devon EX4 4QL, United Kingdom
| | - Stewart F Owen
- AstraZeneca, Global Compliance, Alderley Park, Macclesfield, Cheshire SK10 4TF, United Kingdom
| | - Matthew J Winter
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom
| | - Charles R Tyler
- Biosciences, Faculty of Health and Life Sciences, Exeter, Devon EX4 4QD, United Kingdom.
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Lee Y, Cho S, Park K, Kim T, Kim J, Ryu DY, Hong J. Potential lifetime effects caused by cellular uptake of nanoplastics: A review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 329:121668. [PMID: 37087090 DOI: 10.1016/j.envpol.2023.121668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 04/16/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
Plastics have been used for about 100 years, and daily-use products composed of plastics are now prevalent. As a result, humans are very easily exposed to the plastic particles generated from the daily-use plastics. However, studies on cellular uptake of nanoplastics in "human cells" have only recently begun to attract attention. In previous studies, definitions of nanoplastics and microplastics were vague, but recently, they have been considered to be different and are being studied separately. However, nanoplastics, unlike plastic particles of other sizes such as macro- and microplastics, can be absorbed by human cells, and thus can cause various risks such as cytotoxicity, inflammation, oxidative stress, and even diseases such as cancer82, 83. and diabetes (Fan et al., 2022; Wang et al., 2023). Thus, in this review, we defined microplastics and nanoplastics to be different and described the potential risks of nanoplastics to human caused by cellular uptake according to their diverse factors. In addition, during and following plastic product usage a substantial number of fragments of different sizes can be generated, including nanoplastics. Fragmentation of microplastics into nanoplastics may also occur during ingestion and inhalation, which can potentially cause long-term hazards to human health. However, there are still few in vivo studies conducted on the health effect of nanoplastics ingestion and inhalation.
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Affiliation(s)
- Yoojin Lee
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
| | - Seongeun Cho
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Kyungtae Park
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Taihyun Kim
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jiyu Kim
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Du-Yeol Ryu
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jinkee Hong
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
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8
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Brandts I, Cánovas M, Tvarijonaviciute A, Llorca M, Vega A, Farré M, Pastor J, Roher N, Teles M. Nanoplastics are bioaccumulated in fish liver and muscle and cause DNA damage after a chronic exposure. ENVIRONMENTAL RESEARCH 2022; 212:113433. [PMID: 35580665 DOI: 10.1016/j.envres.2022.113433] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/22/2022] [Accepted: 05/03/2022] [Indexed: 06/15/2023]
Abstract
The extent of the widespread, planetary contamination by plastic waste is difficult to fully capture. Nanoplastics (NPs) are currently in the center of research concerning plastic litter, both for the analytical challenges they pose and for their potential to provoke hazardous effects in organisms. However, there are still many unanswered questions in this multidisciplinary field, with a crucial missing piece being the quantification of NPs in fish tissues after in vivo exposures. Another relevant question that is still greatly unexplored is how a chronic exposure to NPs will affect fish health. This study aims to provide answers to both of these relevant knowledge gaps. To this end, goldfish (Carassius auratus) were exposed to 44 nm polystyrene (PS)-NPs via water for 30 days. Following the exposure, gastrointestinal tract, liver and muscle were sampled for PS-NPs analysis by means of size exclusion chromatography coupled to high resolution mass spectrometry. PS-NPs were detected in all liver and muscle samples of exposed fish, with higher concentrations in liver than in muscle, whereas no PS-NPs were detected in the gastrointestinal tract. Nevertheless, exposure to PS-NPs did not induce changes in hematology parameters nor in cortisol and glucose levels in plasma. On the other hand, even a relatively low concentration of PS-NPs was able to cause DNA damage, measured by an increase in erythrocyte nuclear abnormalities, suggesting that PS-NPs can reach the cell nucleus and cause genotoxicity. These results show for the first time that PS-NPs find their way to fish muscle after chronic exposure, where they bioaccumulate, but do not alter fish survival nor hematological or physiological stress indicators. The accumulation of PS-NPs in fish muscle can represent a threat to human health as a possible route of exposure to small-sized plastics. The present results in a model fish species open windows for future studies in edible fish species.
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Affiliation(s)
- I Brandts
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain; Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - M Cánovas
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - A Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis Interlab-UMU, Regional Campus of International Excellence Mare Nostrum, University of Murcia, Espinardo, Murcia, 30100, Spain
| | - M Llorca
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - A Vega
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - M Farré
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - J Pastor
- Department of Animal Medicine and Surgery, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - N Roher
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain; Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - M Teles
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain; Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain.
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9
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Capturing colloidal nano- and microplastics with plant-based nanocellulose networks. Nat Commun 2022; 13:1814. [PMID: 35383163 PMCID: PMC8983699 DOI: 10.1038/s41467-022-29446-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 03/08/2022] [Indexed: 11/25/2022] Open
Abstract
Microplastics accumulate in various aquatic organisms causing serious health issues, and have raised concerns about human health by entering our food chain. The recovery techniques for the most challenging colloidal fraction are limited, even for analytical purposes. Here we show how a hygroscopic nanocellulose network acts as an ideal capturing material even for the tiniest nanoplastic particles. We reveal that the entrapment of particles from aqueous environment is primarily a result of the network’s hygroscopic nature - a feature which is further intensified with the high surface area of nanocellulose. We broaden the understanding of the mechanism for particle capture by investigating the influence of pH and ionic strength on the adsorption behaviour. We determine the nanoplastic binding mechanisms using surface sensitive methods, and interpret the results with the random sequential adsorption (RSA) model. These findings hold potential for the explicit quantification of the colloidal nano- and microplastics from different aqueous environments, and eventually, provide solutions to collect them directly on-site where they are produced. Nanoplastic particles in aqueous environments are challenging to quantify and characterize due to a lack of methods to capture and analyze them. Here the authors demonstrate that nanocellulose networks can be used to capture colloidal plastics and quantify them through their fluorescence and adsorption, providing kinetic information on their uptake.
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10
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Chackal R, Eng T, Rodrigues EM, Matthews S, Pagé-Lariviére F, Avery-Gomm S, Xu EG, Tufenkji N, Hemmer E, Mennigen JA. Metabolic Consequences of Developmental Exposure to Polystyrene Nanoplastics, the Flame Retardant BDE-47 and Their Combination in Zebrafish. Front Pharmacol 2022; 13:822111. [PMID: 35250570 PMCID: PMC8888882 DOI: 10.3389/fphar.2022.822111] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/17/2022] [Indexed: 11/16/2022] Open
Abstract
Single-use plastic production is higher now than ever before. Much of this plastic is released into aquatic environments, where it is eventually weathered into smaller nanoscale plastics. In addition to potential direct biological effects, nanoplastics may also modulate the biological effects of hydrophobic persistent organic legacy contaminants (POPs) that absorb to their surfaces. In this study, we test the hypothesis that developmental exposure (0–7 dpf) of zebrafish to the emerging contaminant polystyrene (PS) nanoplastics (⌀100 nm; 2.5 or 25 ppb), or to environmental levels of the legacy contaminant and flame retardant 2,2′,4,4′-Tetrabromodiphenyl ether (BDE-47; 10 ppt), disrupt organismal energy metabolism. We also test the hypothesis that co-exposure leads to increased metabolic disruption. The uptake of nanoplastics in developing zebrafish was validated using fluorescence microscopy. To address metabolic consequences at the organismal and molecular level, metabolic phenotyping assays and metabolic gene expression analysis were used. Both PS and BDE-47 affected organismal metabolism alone and in combination. Individually, PS and BDE-47 exposure increased feeding and oxygen consumption rates. PS exposure also elicited complex effects on locomotor behaviour with increased long-distance and decreased short-distance movements. Co-exposure of PS and BDE-47 significantly increased feeding and oxygen consumption rates compared to control and individual compounds alone, suggesting additive or synergistic effects on energy balance, which was further supported by reduced neutral lipid reserves. Conversely, molecular gene expression data pointed to a negative interaction, as co-exposure of high PS generally abolished the induction of gene expression in response to BDE-47. Our results demonstrate that co-exposure to emerging nanoplastic contaminants and legacy contaminants results in cumulative metabolic disruption in early development in a fish model relevant to eco- and human toxicology.
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Affiliation(s)
- Raphaël Chackal
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - Tyler Eng
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
| | - Emille M Rodrigues
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Sara Matthews
- Department of Chemical Engineering, McGill University, Montréal, QC, Canada
| | - Florence Pagé-Lariviére
- National Wildlife Research Center, Environment and Climate Change Canada, Ottawa, ON, Canada
| | - Stephanie Avery-Gomm
- National Wildlife Research Center, Environment and Climate Change Canada, Ottawa, ON, Canada
| | - Elvis Genbo Xu
- Department of Biology, University of Southern Denmark, Odense, Denmark
| | - Nathalie Tufenkji
- Department of Chemical Engineering, McGill University, Montréal, QC, Canada
| | - Eva Hemmer
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Jan A Mennigen
- Department of Biology, University of Ottawa, Ottawa, ON, Canada
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11
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Choi DS, Lim S, Park JS, Kim CH, Rhee H, Cho M. Label-Free Live-Cell Imaging of Internalized Microplastics and Cytoplasmic Organelles with Multicolor CARS Microscopy. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:3045-3055. [PMID: 35133146 DOI: 10.1021/acs.est.1c06255] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
As the bioaccumulation of microplastics (MPs) is considered as a potential health risk, many efforts have been made to understand the cellular dynamics and cytotoxicity of MPs. Here, we demonstrate that label-free multicolor coherent anti-Stokes Raman scattering (CARS) microscopy enables separate vibrational imaging of internalized MPs and lipid droplets (LDs) with indistinguishable shapes and sizes in live cells. By simultaneously obtaining polystyrene (PS)- and lipid-specific CARS images at two very different frequencies, 1000 and 2850 cm-1, respectively, we successfully identify the local distribution of ingested PS beads and native LDs in Caenorhabditis elegans. We further show that the movements of PS beads and LDs in live cells can be separately tracked in real time, which allows us to characterize their individual intracellular dynamics. We thus anticipate that our multicolor CARS imaging method could be of great use to investigate the cellular transport and cytotoxicity of MPs without additional efforts for pre-labeling to MPs.
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Affiliation(s)
- Dae Sik Choi
- Technology Human Resource Support for SMEs Center, Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Republic of Korea
- R&D Center, Uniotech, Daejeon 34013, Republic of Korea
| | - Sohee Lim
- Center for Molecular Spectroscopy and Dynamics, Institute for Basic Science (IBS), Seoul 02841, Republic of Korea
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Jin-Sung Park
- Center for Molecular Spectroscopy and Dynamics, Institute for Basic Science (IBS), Seoul 02841, Republic of Korea
| | - Chang-Ho Kim
- Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Republic of Korea
| | - Hanju Rhee
- Seoul Center, Korea Basic Science Institute, Seoul 02841, Republic of Korea
| | - Minhaeng Cho
- Center for Molecular Spectroscopy and Dynamics, Institute for Basic Science (IBS), Seoul 02841, Republic of Korea
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
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12
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Machado AJT, Mataribu B, Serrão C, da Silva Silvestre L, Farias DF, Bergami E, Corsi I, Marques-Santos LF. Single and combined toxicity of amino-functionalized polystyrene nanoparticles with potassium dichromate and copper sulfate on brine shrimp Artemia franciscana larvae. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:45317-45334. [PMID: 33860426 DOI: 10.1007/s11356-021-13907-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 04/08/2021] [Indexed: 06/12/2023]
Abstract
The increasing use and disposal of plastics has become a persistent problem in the marine environment, calling for studies that refer to realistic scenarios to understand their effects on biota. Particularly, the understanding about the effects of co-exposure with nanoplastic particles and metals on aquatic organisms is still limited. The present work aimed to investigate the acute toxicity of amino-functionalized polystyrene nanoparticles (PS-NH2; 50 nm) as proxy for nanoplastics on brine shrimp Artemia franciscana larvae under different culture conditions and at different stages of development, as well as the combined effect with two reference toxicants - potassium dichromate (K2Cr2O7) and copper sulfate (CuSO4). Nauplii (instar II or III larval stages) were exposed to different concentrations of PS-NH2 (0.005 to 5 μg mL-1) for up to 48 h, with or without agitation in order to mimic a more realistic environmental scenario. Larval mobility and PS-NH2 accumulation were monitored under microscopy. PS-NH2 alone showed toxicity only at the highest concentration tested (5 μg mL-1) regardless the incubation method used (61.2 + 3.1% and 65.0 + 4.5% with and without agitation, respectively). Moreover, instar III stage was the most sensitive to PS-NH2 exposure (38.2% immobility in 24 h of exposure; 5 μg mL-1). Evidence of PS-NH2 retention in the gastrointestinal tract in a concentration- and time-dependent manner was also obtained. Mixtures of PS-NH2 (0.005 and 5 μg mL-1) with different concentrations of K2Cr2O7 increased the immobilization rate of the larvae after 48 h of exposure, when compared to the K2Cr2O7 alone. Similar results were observed for CuSO4 in the co-exposure conditions at different concentrations. However, exposing nauplii to a mixture of PS-NH2 (0.005 μg mL-1) and CuSO4 decreased immobilization rate, in comparison to the group exposed to CuSO4 alone. The present work highlights the potential risk posed by nanoplastics to zooplanktonic species through their interaction with other toxicants.
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Affiliation(s)
- Antonio Júdson Targino Machado
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular (DBM), Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba (UFPB, Campus I), Cidade Universitária s/n, Castelo Branco, CEP, João Pessoa, PB, 58051-900, Brazil
- Programa de Ecologia e Monitoramento Ambiental (PPGEMA), Universidade Federal da Paraíba (UFPB, Campus IV), Rio Tinto, Paraíba, Brazil
| | - Bianca Mataribu
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular (DBM), Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba (UFPB, Campus I), Cidade Universitária s/n, Castelo Branco, CEP, João Pessoa, PB, 58051-900, Brazil
| | - Catarina Serrão
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular (DBM), Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba (UFPB, Campus I), Cidade Universitária s/n, Castelo Branco, CEP, João Pessoa, PB, 58051-900, Brazil
| | - Leanderson da Silva Silvestre
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular (DBM), Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba (UFPB, Campus I), Cidade Universitária s/n, Castelo Branco, CEP, João Pessoa, PB, 58051-900, Brazil
| | - Davi Felipe Farias
- Laboratório de Avaliação de Risco de Novas Tecnologias (LabRisco), Departamento de Biologia Molecular (DBM), Universidade Federal da Paraíba (UFPB, Campus I), João Pessoa, Paraíba, Brazil
| | - Elisa Bergami
- Department of Physical, Earth and Environmental Sciences-DSFTA, University of Siena, Siena, Italy
| | - Ilaria Corsi
- Department of Physical, Earth and Environmental Sciences-DSFTA, University of Siena, Siena, Italy
| | - Luis Fernando Marques-Santos
- Laboratório de Biologia Celular e do Desenvolvimento (LABID), Departamento de Biologia Molecular (DBM), Centro de Ciências Exatas e da Natureza, Universidade Federal da Paraíba (UFPB, Campus I), Cidade Universitária s/n, Castelo Branco, CEP, João Pessoa, PB, 58051-900, Brazil.
- Programa de Ecologia e Monitoramento Ambiental (PPGEMA), Universidade Federal da Paraíba (UFPB, Campus IV), Rio Tinto, Paraíba, Brazil.
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13
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Micro and Nano Plastics Distribution in Fish as Model Organisms: Histopathology, Blood Response and Bioaccumulation in Different Organs. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11135768] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Micro- and nano-plastic (MP/NP) pollution represents a threat not only to marine organisms and ecosystems, but also a danger for humans. The effects of these small particles resulting from the fragmentation of waste of various types have been well documented in mammals, although the consequences of acute and chronic exposure are not fully known yet. In this review, we summarize the recent results related to effects of MPs/NPs in different species of fish, both saltwater and freshwater, including zebrafish, used as model organisms for the evaluation of human health risk posed by MNPs. The expectation is that discoveries made in the model will provide insight regarding the risks of plastic particle toxicity to human health, with a focus on the effect of long-term exposure at different levels of biological complexity in various tissues and organs, including the brain. The current scientific evidence shows that plastic particle toxicity depends not only on factors such as particle size, concentration, exposure time, shape, and polymer type, but also on co-factors, which make the issue extremely complex. We describe and discuss the possible entry pathways of these particles into the fish body, as well as their uptake mechanisms and bioaccumulation in different organs and the role of blood response (hematochemical and hematological parameters) as biomarkers of micro- and nano-plastic water pollution.
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14
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Zhang B, Chao J, Chen L, Liu L, Yang X, Wang Q. Research progress of nanoplastics in freshwater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143791. [PMID: 33280859 DOI: 10.1016/j.scitotenv.2020.143791] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/07/2020] [Accepted: 10/26/2020] [Indexed: 06/12/2023]
Abstract
With the mass production and use of plastic products, which leads to their continuous entry into the water environment, the problem of environmental pollution has been paid more and more attention by scholars from different countries. In recent years, a large number of studies have focused on microplastics, but few on nanoplastics (NPs). However, NPs are smaller in size, have a higher affinity for cells, and surface and volume ratios are higher than those of microplastics. NPs may also enter biological tissues, blood and cells, which may cause greater potential harm to organisms. In this paper, firstly, the environmental fate of NPs accumulation and deposition is summarized, and further research is needed in the future; secondly, the current techniques for NPs extraction and characterization of NPs extraction and characterization are summarized. At present, the analytical methods of NPs are in the primary stage, and lack of standardized and accurate methods; finally, the toxic effects of NPs on biological morphology, behavior and reproduction are discussed. It has been found that the small size and high surface area of NPs make them more toxic to organisms than microplastics. However, most of the current toxicological studies of NPs on freshwater organisms could not be simulated in real environment.
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Affiliation(s)
- Bin Zhang
- School of Civil Engineering and Construction and Environment of Xihua University, Chengdu 610039, PR China; School of Food and Biotechnology of Xihua University, Chengdu 610039, PR China.
| | - Jinyu Chao
- School of Civil Engineering and Construction and Environment of Xihua University, Chengdu 610039, PR China
| | - Liang Chen
- School of Civil Engineering and Construction and Environment of Xihua University, Chengdu 610039, PR China
| | - Lingchen Liu
- School of Civil Engineering and Construction and Environment of Xihua University, Chengdu 610039, PR China
| | - Xin Yang
- School of Civil Engineering and Construction and Environment of Xihua University, Chengdu 610039, PR China
| | - Qing Wang
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, PR China
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15
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Brandts I, Barría C, Martins MA, Franco-Martínez L, Barreto A, Tvarijonaviciute A, Tort L, Oliveira M, Teles M. Waterborne exposure of gilthead seabream (Sparus aurata) to polymethylmethacrylate nanoplastics causes effects at cellular and molecular levels. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123590. [PMID: 32795822 DOI: 10.1016/j.jhazmat.2020.123590] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 07/22/2020] [Accepted: 07/26/2020] [Indexed: 06/11/2023]
Abstract
This study evaluated the effect of a short-term exposure to 45 nm polymethylmethacrylate nanoplastics (PMMA-NPs) on the gilthead seabream (Sparus aurata), by assessing biomarkers at different levels of biological organization in liver and plasma. Fish were exposed via water to PMMA-NPs (0, 0.001, 0.01, 0.1, 1 and 10 mg L-1) and sampled after 24 and 96 h. Results showed a general up-regulation of mRNA levels of key genes associated with lipid metabolism (e.g. apolipoprotein A1 and retinoid X receptor). Together with the modulation of the lipid pathway genes we also found a global increase in cholesterol and triglycerides in plasma. Antioxidant-related genes (e.g. glutathione peroxidase 1) were also up-regulated after 24 h of exposure, but their expression levels returned to control afterwards. Total antioxidant capacity (TAC) was increased throughout the experiment, however at 96 h the antioxidant capacity became less efficient, reflected by an increase in the total oxidative status (TOS). Concomitantly, we found an increase in the erythrocytic nuclear abnormalities (ENAs) throughout the trial. Altogether, PMMA-NPs activated the organism's antioxidant defenses and induced alterations in lipid metabolism pathways and genotoxicity in the blood cells of gilthead seabream.
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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, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - C Barría
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - M A Martins
- Department of Physics & CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
| | - L Franco-Martínez
- Interdisciplinary Laboratory of Clinical Analysis INTERLAB-UMU, Regional Campus of International Excellence Mare Nostrum, University of Murcia, Espinardo, Murcia 30100, Spain
| | - A Barreto
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, 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
| | - L Tort
- Department of Cell Biology, Physiology and Immunology, 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
| | - M Teles
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain; Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain.
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16
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Gonçalves JM, Bebianno MJ. Nanoplastics impact on marine biota: A review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 273:116426. [PMID: 33493763 DOI: 10.1016/j.envpol.2021.116426] [Citation(s) in RCA: 100] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 12/03/2020] [Accepted: 12/31/2020] [Indexed: 05/25/2023]
Abstract
Emerging contaminants, such as nanoplastics, are gaining a vast interest within the scientific community. Most of the plastic debris found in the marine environment originates from land-based sources, and once in the marine environment, plastic can be degraded into smaller fragments. Nanoplastics are considered to fall within the definition of other nanoparticles (1-100 nm in size) and may be divided into primary or secondary nanoplastics. Primary nanoplastics are those that enter the environment in their original small size associated with specific applications and consumer products, whilst secondary nanoplastics are a consequence of macro/microplastic degradation. The formation of nanoplastics changes the physical-chemical characteristics of the particle, thus at a nanoscale, it is expected that the strength, conductivity, and reactivity of the nanoparticles will differ substantially from macro/micro-sized particles. To date, the toxicity nanoplastics may pursue on marine biota is still scarce. Herein, a review of the available data on the effects of different polymer types of nanoplastics specific to marine biota is accounted for.
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Affiliation(s)
- Joanna M Gonçalves
- Centre for Marine and Environmental Research, University of Algarve, Campus de Gambelas, 8000-139, Faro, Portugal
| | - Maria João Bebianno
- Centre for Marine and Environmental Research, University of Algarve, Campus de Gambelas, 8000-139, Faro, Portugal.
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17
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Vighi M, Bayo J, Fernández-Piñas F, Gago J, Gómez M, Hernández-Borges J, Herrera A, Landaburu J, Muniategui-Lorenzo S, Muñoz AR, Rico A, Romera-Castillo C, Viñas L, Rosal R. Micro and Nano-Plastics in the Environment: Research Priorities for the Near Future. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 257:163-218. [PMID: 34487249 DOI: 10.1007/398_2021_69] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Plastic litter dispersed in the different environmental compartments represents one of the most concerning problems associated with human activities. Specifically, plastic particles in the micro and nano size scale are ubiquitous and represent a threat to human health and the environment. In the last few decades, a huge amount of research has been devoted to evaluate several aspects of micro/nano-plastic contamination: origin and emissions, presence in different compartments, environmental fate, effects on human health and the environment, transfer in the food web and the role of associated chemicals and microorganisms. Nevertheless, despite the bulk of information produced, several knowledge gaps still exist. The objective of this paper is to highlight the most important of these knowledge gaps and to provide suggestions for the main research needs required to describe and understand the most controversial points to better orient the research efforts for the near future. Some of the major issues that need further efforts to improve our knowledge on the exposure, effects and risk of micro/nano-plastics are: harmonization of sampling procedures; development of more accurate, less expensive and less time-consuming analytical methods; assessment of degradation patterns and environmental fate of fragments; evaluating the capabilities for bioaccumulation and transfer to the food web; and evaluating the fate and the impact of chemicals and microorganisms associated with micro/nano-plastics. The major gaps in all sectors of our knowledge, from exposure to potentially harmful effects, refer to small size microplastics and, particularly, to the occurrence, fate and effects of nanoplastics.
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Affiliation(s)
| | - Javier Bayo
- Department of Chemical and Environmental Engineering, Technical University of Cartagena, Cartagena, Spain
| | | | - Jesús Gago
- Instituto Español de Oceanografía (IEO), Vigo, Spain
| | - May Gómez
- EOMAR: Marine Ecophysiology Group, IU-ECOAQUA, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Javier Hernández-Borges
- Departamento de Química, Unidad Departamental de Química Analítica, Facultad de Ciencias, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
- Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias, Universidad de La Laguna, San Cristóbal de La Laguna, Spain
| | - Alicia Herrera
- EOMAR: Marine Ecophysiology Group, IU-ECOAQUA, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | | | - Soledad Muniategui-Lorenzo
- Grupo Química Analítica Aplicada, Instituto Universitario de Medio Ambiente (IUMA), Centro de Investigaciones Científicas Avanzadas (CICA), Facultade de Ciencias, Universidade da Coruña, A Coruña, Spain
| | - Antonio-Román Muñoz
- Departamento de Biología Animal, Facultad de Ciencias, Universidad de Málaga, Málaga, Spain
| | - Andreu Rico
- IMDEA-Water Institute, Madrid, Spain
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, Spain
| | - Cristina Romera-Castillo
- Department of Marine Biology and Oceanography, Institut de Ciències del Mar-CSIC, Barcelona, Spain
| | - Lucía Viñas
- Instituto Español de Oceanografía (IEO), Vigo, Spain
| | - Roberto Rosal
- Department of Chemical Engineering, University of Alcalá, Madrid, Spain.
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18
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Suman KH, Haque MN, Uddin MJ, Begum MS, Sikder MH. Toxicity and biomarkers of micro-plastic in aquatic environment: a review. Biomarkers 2020; 26:13-25. [PMID: 33305964 DOI: 10.1080/1354750x.2020.1863470] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Microplastics (MPs; <5 mm) are found in all aquatic environments. Due to harmful impacts, MPs pose a great threat to the aquatic ecology. Therefore, this review aims to provide an overview of the risk, bioavailability, and toxicity of MPs in aquatic organisms. Various factors affecting MPs bioavailability and level of risks at cellular and molecular level on aquatic organisms are comprehensively discussed. More specifically biomarkers for antioxidant response (superoxide dismutase, catalase, glutathione peroxidase, reductase, and glutathione S-transferase), neurotoxic impairment (acetylcholinesterase), lysosomal activity alteration, and genotoxicity have been discussed in detail. Biomarkers are powerful tool in the monitoring programme, but the collection of literature on biomarkers for MPs is limited. Thus, here we demonstrate how to evaluate MPs impact, in monitoring programme, on organisms using biomarkers in aquatic environment. This review would broaden the existing knowledge on the toxic effect and biomarkers of MPs and offer research priorities for future studies.
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Affiliation(s)
- Kamrul Hassan Suman
- ABEx Bio-Research Center, Dhaka, Bangladesh.,Department of Fisheries Biology and Aquatic Environment, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
| | - Md Niamul Haque
- ABEx Bio-Research Center, Dhaka, Bangladesh.,Department of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea
| | - Md Jamal Uddin
- ABEx Bio-Research Center, Dhaka, Bangladesh.,Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Most Shirina Begum
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul, Republic of Korea
| | - Mahmudul Hasan Sikder
- Department of Pharmacology, Bangladesh Agricultural University, Mymensingh, Bangladesh
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19
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Pedersen AF, Meyer DN, Petriv AMV, Soto AL, Shields JN, Akemann C, Baker BB, Tsou WL, Zhang Y, Baker TR. Nanoplastics impact the zebrafish (Danio rerio) transcriptome: Associated developmental and neurobehavioral consequences. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115090. [PMID: 32693326 PMCID: PMC7492438 DOI: 10.1016/j.envpol.2020.115090] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 06/05/2020] [Accepted: 06/22/2020] [Indexed: 05/20/2023]
Abstract
Microplastics (MPs) are a ubiquitous pollutant detected not only in marine and freshwater bodies, but also in tap and bottled water worldwide. While MPs have been extensively studied, the toxicity of their smaller counterpart, nanoplastics (NPs), is not well documented. Despite likely large-scale human and animal exposure to NPs, the associated health risks remain unclear, especially during early developmental stages. To address this, we investigated the health impacts of exposures to both 50 and 200 nm polystyrene NPs in larval zebrafish. From 6 to 120 h post-fertilization (hpf), developing zebrafish were exposed to a range of fluorescent NPs (10-10,000 parts per billion). Dose-dependent increases in accumulation were identified in exposed larval fish, potentially coinciding with an altered behavioral response as evidenced through swimming hyperactivity. Notably, exposures did not impact mortality, hatching rate, or deformities; however, transcriptomic analysis suggests neurodegeneration and motor dysfunction at both high and low concentrations. Furthermore, results of this study suggest that NPs can accumulate in the tissues of larval zebrafish, alter their transcriptome, and affect behavior and physiology, potentially decreasing organismal fitness in contaminated ecosystems. The uniquely broad scale of this study during a critical window of development provides crucial multidimensional characterization of NP impacts on human and animal health.
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Affiliation(s)
- Adam F Pedersen
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Danielle N Meyer
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA; Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA
| | - Anna-Maria V Petriv
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Abraham L Soto
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Jeremiah N Shields
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Camille Akemann
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA; Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA
| | - Bridget B Baker
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA
| | - Wei-Ling Tsou
- Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA
| | - Yongli Zhang
- College of Engineering, Wayne State University, 5050 Anthony Wayne Dr, Detroit, MI, 28201, USA
| | - Tracie R Baker
- Institute of Environmental Health Sciences, Wayne State University, 6135 Woodward Ave, Detroit, MI, 48202, USA; Department of Pharmacology - School of Medicine, Wayne State University, 540 E Canfield, Detroit, MI, 28201, USA.
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20
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Gangadoo S, Owen S, Rajapaksha P, Plaisted K, Cheeseman S, Haddara H, Truong VK, Ngo ST, Vu VV, Cozzolino D, Elbourne A, Crawford R, Latham K, Chapman J. Nano-plastics and their analytical characterisation and fate in the marine environment: From source to sea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 732:138792. [PMID: 32442765 DOI: 10.1016/j.scitotenv.2020.138792] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 04/16/2020] [Accepted: 04/16/2020] [Indexed: 06/11/2023]
Abstract
Polymer contamination is a major pollutant in all waterways and a significant concern of the 21st Century, gaining extensive research, media, and public attention. The polymer pollution problem is so vast; plastics are now observed in some of the Earth's most remote regions such as the Mariana trench. These polymers enter the waterways, migrate, breakdown; albeit slowly, and then interact with the environment and the surrounding biodiversity. It is these biodiversity and ecosystem interactions that are causing the most nervousness, where health researchers have demonstrated that plastics have entered the human food chain, also showing that plastics are damaging organisms, animals, and plants. Many researchers have focused on reviewing the macro and micro-forms of these polymer contaminants, demonstrating a lack of scientific data and also a lack of investigation regarding nano-sized polymers. It is these nano-polymers that have the greatest potential to cause the most harm to our oceans, waterways, and wildlife. This review has been especially ruthless in discussing nano-sized polymers, their ability to interact with organisms, and the potential for these nano-polymers to cause environmental damage in the marine environment. This review details the breakdown of macro-, micro-, and nano-polymer contamination, examining the sources, the interactions, and the fates of all of these polymer sizes in the environment. The main focus of this review is to perform a comprehensive examination of the literature of the interaction of nanoplastics with organisms, soils, and waters; followed by the discussion of toxicological issues. A significant focus of the review is also on current analytical characterisation techniques for nanoplastics, which will enable researchers to develop protocols for nanopolymer analysis and enhance understanding of nanoplastics in the marine environment.
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Affiliation(s)
- Sheeana Gangadoo
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Stephanie Owen
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | | | - Katie Plaisted
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Samuel Cheeseman
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Hajar Haddara
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Vi Khanh Truong
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Son Tung Ngo
- Laboratory of Theoretical and Computational Biophysics, Ton Duc Thang University, Ho Chi Minh City 758307, Viet Nam
| | - Van V Vu
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City 70000, Viet Nam
| | - Daniel Cozzolino
- School of Science, RMIT University, Melbourne, VIC 3000, Australia; Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Brisbane
| | - Aaron Elbourne
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Russell Crawford
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Kay Latham
- School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - James Chapman
- School of Science, RMIT University, Melbourne, VIC 3000, Australia.
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21
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Zhang R, Silic MR, Schaber A, Wasel O, Freeman JL, Sepúlveda MS. Exposure route affects the distribution and toxicity of polystyrene nanoplastics in zebrafish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 724:138065. [PMID: 32272399 DOI: 10.1016/j.scitotenv.2020.138065] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 06/11/2023]
Abstract
The widespread use of polystyrene (PS) products in a myriad of consumer products has resulted in widespread contamination of PS nanoplastics (PSNPs) in aquatic ecosystems. Fish early life stages are exposed to nanoplastics dermally and via gills. Additional routes of exposure include oral via the ingestion of contaminated prey and maternal transfer. However, there is limited amount of work studying the impact of exposure route in the toxicokinetics and toxicodynamics of PSNPs. The objective of this study was to compare the effects of exposure routes (aqueous and microinjection) on the organ distribution and toxicity of PSNPs. We "mimicked" the maternal exposure of PSNPs to zebrafish by injecting a known concentration of fluorescent particles directly into 2-cell stage embryos. Endpoints were collected starting at 96 h post-fertilization until several weeks post-hatch to evaluate depuration. Although both exposure routes led to the accumulation of PSNPs in the yolk sac followed by brain, eyes, gut and swim bladder, the aqueous exposure caused higher PSNP concentrations in the brain and eyes and the injection exposure caused PSNP accumulation mainly in the trunk area. A waterborne exposure also reduced antioxidant gene expression; increased frequency of developmental abnormalities such as bent tails, jaw deformities and pericardial edema; and resulted in lower growth rates and hypoactivity. Overall, a waterborne exposure to PSNPs resulted in higher transfer to the brain and caused greater toxic effects to zebrafish compared to an injection exposure and highlights the key role of exposure routes in the uptake, localization and subsequent distribution of nanoparticles.
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Affiliation(s)
- Rui Zhang
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, United States; School of Environmental Science and Engineering, China-America CRC for Environment & Health, Shandong University, 72# Jimo Binhai Road, Qingdao, Shandong Province 266237, PR China
| | - Martin R Silic
- College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, United States
| | - Andy Schaber
- Bindley Bioscience Center, Purdue University, West Lafayette, IN 47907, United States
| | - Ola Wasel
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Jennifer L Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Maria S Sepúlveda
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, United States.
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22
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Gouin T. Toward an Improved Understanding of the Ingestion and Trophic Transfer of Microplastic Particles: Critical Review and Implications for Future Research. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:1119-1137. [PMID: 32223000 PMCID: PMC7383496 DOI: 10.1002/etc.4718] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/18/2020] [Accepted: 03/22/2020] [Indexed: 05/19/2023]
Abstract
Microplastic particles have been observed in the environment and routinely detected in the stomachs and intestines of aquatic organisms over the last 50 yr. In the present review, information on the ingestion of plastic debris of varying sizes is collated, including data for >800 species representing approximately 87 000 individual organisms, for which plastic debris and microplastic particles have been observed in approximately 17 500, or 20%. The average reported number of microplastic particles/individual across all studies is estimated to be 4, with studies typically reporting averages ranging from 0 to 10 particles/individual. A general observation is that although strong evidence exists for the biological ingestion of microplastic particles, they do not bioaccumulate and do not appear to be subject to biomagnification as a result of trophic transfer through food webs, with >99% of observations from field-based studies reporting that microplastic particles are located within the gastrointestinal tract. Overall, there is substantial heterogeneity in how samples are collected, processed, analyzed, and reported, causing significant challenges in attempting to assess temporal and spatial trends or helping to inform a mechanistic understanding. Nevertheless, several studies suggest that the characteristics of microplastic particles ingested by organisms are generally representative of plastic debris in the vicinity where individuals are collected. Monitoring of spatial and temporal trends of ingested microplastic particles could thus potentially be useful in assessing mitigation efforts aimed at reducing the emission of plastic and microplastic particles to the environment. The development and application of standardized analytical methods are urgently needed to better understand spatial and temporal trends. Environ Toxicol Chem 2020;39:1119-1137. © 2020 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Todd Gouin
- TG Environmental Research, Sharnbrook, BedfordshireUnited Kingdom
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23
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Barría C, Brandts I, Tort L, Oliveira M, Teles M. Effect of nanoplastics on fish health and performance: A review. MARINE POLLUTION BULLETIN 2020; 151:110791. [PMID: 32056587 DOI: 10.1016/j.marpolbul.2019.110791] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/26/2019] [Accepted: 11/27/2019] [Indexed: 06/10/2023]
Abstract
Small plastic particles are considered emerging pollutants, and this has motivated a considerable number of studies to establish their environmental consequences. At present, the study of the effects of nanoplastics (NPs) on aquatic organisms is still scarce, especially in organisms from higher trophic levels such as fish. This review describes the effects reported in different fish species after exposure to plastic particles smaller than 100 nm. Studies show that NPs can adversely affect fish at different stages of development, with reported accumulation in tissues, decreased locomotor and foraging activities, effects on growth and the immune system and alterations on lipid metabolism and neurotoxicity. However, mortality, effects on hatching success or malformations related to NPs have not been reported to this date.
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Affiliation(s)
- Camila Barría
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Irene Brandts
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Lluís Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Miguel Oliveira
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Mariana Teles
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain.
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24
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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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25
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White DT, Saxena MT, Mumm JS. Let's get small (and smaller): Combining zebrafish and nanomedicine to advance neuroregenerative therapeutics. Adv Drug Deliv Rev 2019; 148:344-359. [PMID: 30769046 PMCID: PMC6937731 DOI: 10.1016/j.addr.2019.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 12/21/2018] [Accepted: 01/28/2019] [Indexed: 01/18/2023]
Abstract
Several key attributes of zebrafish make them an ideal model system for the discovery and development of regeneration promoting therapeutics; most notably their robust capacity for self-repair which extends to the central nervous system. Further, by enabling large-scale drug discovery directly in living vertebrate disease models, zebrafish circumvent critical bottlenecks which have driven drug development costs up. This review summarizes currently available zebrafish phenotypic screening platforms, HTS-ready neurodegenerative disease modeling strategies, zebrafish small molecule screens which have succeeded in identifying regeneration promoting compounds and explores how intravital imaging in zebrafish can facilitate comprehensive analysis of nanocarrier biodistribution and pharmacokinetics. Finally, we discuss the benefits and challenges attending the combination of zebrafish and nanoparticle-based drug optimization, highlighting inspiring proof-of-concept studies and looking toward implementation across the drug development community.
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Affiliation(s)
- David T White
- Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD 21231, USA
| | - Meera T Saxena
- Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD 21231, USA; Luminomics Inc., Baltimore, MD 21286, USA
| | - Jeff S Mumm
- Wilmer Eye Institute, Johns Hopkins School of Medicine, Baltimore, MD 21231, USA.
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26
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Catarino AI, Frutos A, Henry TB. Use of fluorescent-labelled nanoplastics (NPs) to demonstrate NP absorption is inconclusive without adequate controls. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 670:915-920. [PMID: 30921723 DOI: 10.1016/j.scitotenv.2019.03.194] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/12/2019] [Accepted: 03/13/2019] [Indexed: 05/02/2023]
Abstract
Whether nanoplastics (NPs) are able to be absorbed across epithelial membranes and accumulate within internal tissues of organisms is an important determinant of their potential toxicity. Evidence of absorption and accumulation requires detection of NPs within internal tissues, and investigations with fluorescently labelled NPs have attempted to provide this information. We hypothesize that studies that do not control for the fluorescent dye leachate and/or cellular autofluorescence are inconclusive and can be misinterpreted. Our goal was to analyse previous investigations critically and conduct further research to determine if fluorescent-labelled polystyrene NPs (nanoPS) can provide conclusive evidence of absorption and internal accumulation of NPs. We exposed zebrafish embryos and larvae to NPs (500 and 1000 nm) labelled with a green or an orange fluorescent dye, to solutions resulting from nanoPS dialysis, and to Nile-Red (a fluorescent dye used as a positive control). Previous studies have claimed that NPs cross epithelia without accounting for dye leachates and/or cellular autofluorescence. Our results demonstrate that commercial fluorescent-labelled nanoPS can leach their fluorophores, and the fluorophore alone can accumulate within internal tissues of zebrafish larvae. We further observed green autofluorescence in fish larvae not exposed to any particles. Previous claims of NP absorption based on observations of fluorescence in zebrafish tissues should thus be considered inconclusive. Although the addition of purification steps and inclusion of controls for leaching of dyes are methodological improvements, the use of fluorescent nanoPS should not be considered to provide absolute conclusive evidence of particle absorption.
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Affiliation(s)
- Ana I Catarino
- Institute of Life and Earth Sciences (ILES), Center for Marine Biodiversity & Biotechnology (CMBB), The School of Energy, Geoscience, Infrastructure and Society (EGIS), Heriot-Watt University, Edinburgh EH14 4AS, UK.
| | - Amelie Frutos
- Institute of Life and Earth Sciences (ILES), Center for Marine Biodiversity & Biotechnology (CMBB), The School of Energy, Geoscience, Infrastructure and Society (EGIS), Heriot-Watt University, Edinburgh EH14 4AS, UK; Polytech Nice Sophia, University of Nice Sophia Antipolis, Campus SophiaTech, 930 route des Colles, BP 145, 06410 Biot Sophia Antipolis, France
| | - Theodore B Henry
- Institute of Life and Earth Sciences (ILES), Center for Marine Biodiversity & Biotechnology (CMBB), The School of Energy, Geoscience, Infrastructure and Society (EGIS), Heriot-Watt University, Edinburgh EH14 4AS, UK; Department of Forestry, Wildlife and Fisheries, and Center for Environmental Biotechnology, The University of Tennessee, Knoxville, TN, USA
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27
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van Pomeren M, Peijnenburg WJGM, Vlieg RC, van Noort SJT, Vijver MG. The biodistribution and immuno-responses of differently shaped non-modified gold particles in zebrafish embryos. Nanotoxicology 2019; 13:558-571. [PMID: 30714844 DOI: 10.1080/17435390.2018.1564079] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Important questions raised in (nano)ecotoxicology are whether biodistribution of nanoparticles (NPs) is affected by particle shape and to what extent local adverse responses are subsequently initiated. For nanomedicine, these same questions become important when the labeled NPs lose the labeling. In this study, we investigated the biodistribution patterns of gold nanoparticles (AuNPs) as well as immune-related local and systemic sublethal markers of exposure and behavioral assessment. Hatched zebrafish embryos were exposed to four differently shaped non-coated AuNPs with comparable sizes: nanospheres, nanorods, nano-urchins, and nano-bipyramids. Shape-dependent trafficking of the particles resulted in a different distribution of the particles over the target organs. The differences across the distribution patterns indicate that the particles behave slightly different, although they eventually reach the same target organs - yet in different ratios. Mainly local induction of the immune system was observed, whereas systemic immune responses were not clearly visible. Macrophages were found to take AuNPs from the body fluid, be transferred into the veins and transported to digestive organs for clearance. No significant behavioral toxicological responses in zebrafish embryos were observed after exposure. The trafficking of the particles in the macrophages indicates that the particles are removed via the mononuclear phagocytic system. The different ratios in which the particles are distributed over the target organs indicate that the shape influences their behavior and eventually possibly the toxicity of the particles. The observed shape-dependent biodistribution patterns might be beneficial for shape-specific targeting in nanomedicine and stress the importance of incorporating shape-features in nanosafety assessment.
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Affiliation(s)
- M van Pomeren
- a Institute of Environmental Sciences (CML), Leiden University , Leiden , The Netherlands
| | - W J G M Peijnenburg
- a Institute of Environmental Sciences (CML), Leiden University , Leiden , The Netherlands.,b Center for the Safety of Substances and Products National Institute of Public Health and the Environment , Bilthoven , The Netherlands
| | - R C Vlieg
- c Leiden Institute of Physics (LION) Leiden University , Leiden , The Netherlands
| | - S J T van Noort
- c Leiden Institute of Physics (LION) Leiden University , Leiden , The Netherlands
| | - M G Vijver
- a Institute of Environmental Sciences (CML), Leiden University , Leiden , The Netherlands
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28
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Tello-Olea M, Rosales-Mendoza S, Campa-Córdova AI, Palestino G, Luna-González A, Reyes-Becerril M, Velazquez E, Hernandez-Adame L, Angulo C. Gold nanoparticles (AuNP) exert immunostimulatory and protective effects in shrimp (Litopenaeus vannamei) against Vibrio parahaemolyticus. FISH & SHELLFISH IMMUNOLOGY 2019; 84:756-767. [PMID: 30368027 DOI: 10.1016/j.fsi.2018.10.056] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 10/19/2018] [Accepted: 10/22/2018] [Indexed: 06/08/2023]
Abstract
Gold nanoparticles (AuNP) stimulate immune responses in mammals but they have not been tested in species of relevance in aquaculture. In this study the immunostimulant and protective potential of orally administered AuNP against V. parahaemolyticus, the causative agent of Acute Hepatopancreatic Necrosis Disease, was determined in shrimp. Synthetized AuNP (18.57 ± 4.37 nm) were moderately dispersed with a negative ζ potential of -10.3 ± 0.208 mV (pH = 7). AuNP were administered (single dose) at 0.2, 2, and 20 μg/g feed in shrimp. Hemolymph samples were withdrawn daily for 6 days. Hemolymph or hemocytes were used to determine total hemocyte counts, immune-related enzymatic activities, and expression of immune-relevant genes. Hepatopancreas was sampled for the analysis of AuNP biodistribution and histological examination. Survival was recorded daily. No mortality or toxicity signs in hepatopancreas were found. AuNP were detected in hepatopancreas. Early (24-48 h) immunostimulation was mainly related to immune gene up-regulation. Upon a challenge with V. parahaemolyticus, survival was higher (80%) and histopathological damages were lower in shrimp treated with the 2 μg/g dose when compared to the control. Therefore orally administered AuNP are proposed as immunostimulants that protect shrimp against V. parahaemolyticus infection.
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Affiliation(s)
- M Tello-Olea
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico
| | - S Rosales-Mendoza
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, SLP, 78210, Mexico
| | - A I Campa-Córdova
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico
| | - G Palestino
- Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, SLP, 78210, Mexico
| | - A Luna-González
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional-Instituto Politécnico Nacional, Blvd. Juan de Dios Bátiz Paredes #250, Guasave, Sinaloa, Mexico
| | - M Reyes-Becerril
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico
| | - E Velazquez
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico
| | - L Hernandez-Adame
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico; CONACyT-Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico
| | - C Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S, 23090, Mexico.
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29
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Ašmonaitė G, Larsson K, Undeland I, Sturve J, Carney Almroth B. Size Matters: Ingestion of Relatively Large Microplastics Contaminated with Environmental Pollutants Posed Little Risk for Fish Health and Fillet Quality. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:14381-14391. [PMID: 30451497 DOI: 10.1021/acs.est.8b04849] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
In this study, we investigated biological effects associated with ingestion of polystyrene (PS) microplastic (MPs) in fish. We examined whether ingestion of contaminated PS MPs (100-400 μm) results in chemical stress in rainbow trout (Oncorhynchus mykiss) liver and we explored whether this exposure can affect the oxidative stability of the fillet during ice storage. Juvenile rainbow trout were fed for 4 weeks with four different experimental diets: control (1) and feeds containing virgin PS MPs (2) or PS MPs exposed to sewage (3) or harbor (4) effluent. A suite of ecotoxicological biomarkers for oxidative stress and xenobiotic-related pathways was investigated in the hepatic tissue, and included gene expression analyses and enzymatic measurements. The potential impact of MPs exposure on fillet quality was investigated in a storage trial where lipid hydroperoxides, loss of redness and development of rancid odor were assessed as indications of lipid peroxidation. Although, chemical analysis of PS MPs revealed that particles sorb environmental contaminants (e.g., PAHs, nonylphenol and alcohol ethoxylates and others), the ingestion of relatively high doses of these PS MPs did not induce adverse hepatic stress in fish liver. Apart from small effect on redness loss in fillets of fish exposed to PS MPs, the ingestion of these particles did not affect lipid peroxidation or rancid odor development, thus did not affect fillet's quality.
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Affiliation(s)
- Giedrė Ašmonaitė
- Department of Biological and Environmental Sciences , University of Gothenburg , Medicinaregatan 18A , 413 90 Göteborg , Sweden
| | - Karin Larsson
- Department of Biology and Biological Engineering-Food and Nutrition Science , Chalmers University of Technology , Kemivägen 10 , 412 96 Göteborg , Sweden
| | - Ingrid Undeland
- Department of Biology and Biological Engineering-Food and Nutrition Science , Chalmers University of Technology , Kemivägen 10 , 412 96 Göteborg , Sweden
| | - Joachim Sturve
- Department of Biological and Environmental Sciences , University of Gothenburg , Medicinaregatan 18A , 413 90 Göteborg , Sweden
| | - Bethanie Carney Almroth
- Department of Biological and Environmental Sciences , University of Gothenburg , Medicinaregatan 18A , 413 90 Göteborg , Sweden
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30
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Bozycki L, Łukasiewicz K, Matryba P, Pikula S. Whole-body clearing, staining and screening of calcium deposits in the mdx mouse model of Duchenne muscular dystrophy. Skelet Muscle 2018; 8:21. [PMID: 30025544 PMCID: PMC6053777 DOI: 10.1186/s13395-018-0168-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 06/28/2018] [Indexed: 11/13/2022] Open
Abstract
Background Duchenne muscular dystrophy (DMD) is a fatal, X-linked genetic disorder. Although DMD is the most common form of muscular dystrophy, only two FDA-approved drugs were developed to delay its progression. In order to assess therapies for treating DMD, several murine models have recently been introduced. As the wide variety of murine models enlighten mechanisms underlying DMD pathology, the question on how to monitor the progression of the disease within the entire musculoskeletal system still remains to be answered. One considerable approach to monitor such progression is histological evaluation of calcium deposits within muscle biopsies. Although accurate, histology is limited to small tissue area and cannot be utilized to evaluate systemic progression of DMD. Therefore, we aimed to develop a methodology suitable for rapid and high-resolution screening of calcium deposits within the entire murine organism. Methods Procedures were performed on adult male C57BL/10-mdx and adult male C57BL mice. Animals were sacrificed, perfused, paraformaldehyde-fixed, and subjected to whole-body clearing using optimized perfusion-based CUBIC protocol. Next, cleared organisms were stained with alizarin red S to visualize calcium deposits and subjected to imaging. Results Study revealed presence of calcium deposits within degenerated muscles of the entire C57BL/10-mdx mouse organism. Calcified deposits were observed within skeletal muscles of the forelimb, diaphragm, lumbar region, pelvic region, and hindlimb. Calcified deposits found in quadriceps femoris, triceps brachii, and spinalis pars lumborum were characterized. Analysis of cumulative frequency distribution showed different distribution characteristics of calcified deposits in quadriceps femoris muscle in comparison to triceps brachii and spinalis pars lumborum muscles (p < 0.001) and quadriceps femoris vs spinalis pars lumborum (p < 0.001). Differences between the number of calcified deposits in selected muscles, their volume, and average volume were statistically significant. Conclusions In aggregate, we present new methodology to monitor calcium deposits in situ in the mouse model of Duchenne muscular dystrophy. Sample imaging with the presented setup is feasible and applicable for whole-organ/body imaging. Accompanied by the development of custom-made LSFM apparatus, it allows targeted and precise characterization of calcium deposits in cleared muscles. Hence, presented approach might be broadly utilized to monitor degree to which muscles of the entire organism are affected by the necrosis and how is it altered by the treatment or physical activity of the animal. We believe that this would be a valuable tool for studying organs alternations in a wide group of animal models of muscle dystrophy and bone-oriented diseases. Electronic supplementary material The online version of this article (10.1186/s13395-018-0168-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Lukasz Bozycki
- Laboratory of Biochemistry of Lipids, Nencki Institute of Experimental Biology, 3 Pasteur Street, 02-093, Warsaw, Poland.
| | - Kacper Łukasiewicz
- Laboratory of Molecular Basis of Behavior, Nencki Institute of Experimental Biology, 3 Pasteur Street, 02-093, Warsaw, Poland
| | - Paweł Matryba
- Laboratory of Neurobiology, Nencki Institute of Experimental Biology, 3 Pasteur Street, 02-093, Warsaw, Poland.,Department of Immunology, Medical University of Warsaw, 5 Nielubowicza Street, 02-097, Warsaw, Poland
| | - Slawomir Pikula
- Laboratory of Biochemistry of Lipids, Nencki Institute of Experimental Biology, 3 Pasteur Street, 02-093, Warsaw, Poland
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31
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Pitt JA, Kozal JS, Jayasundara N, Massarsky A, Trevisan R, Geitner N, Wiesner M, Levin ED, Di Giulio RT. Uptake, tissue distribution, and toxicity of polystyrene nanoparticles in developing zebrafish (Danio rerio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 194:185-194. [PMID: 29197232 PMCID: PMC6959514 DOI: 10.1016/j.aquatox.2017.11.017] [Citation(s) in RCA: 337] [Impact Index Per Article: 56.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 11/22/2017] [Accepted: 11/23/2017] [Indexed: 05/02/2023]
Abstract
Plastic pollution is a critical environmental concern and comprises the majority of anthropogenic debris in the ocean, including macro, micro, and likely nanoscale (less than 100nm in at least one dimension) plastic particles. While the toxicity of macroplastics and microplastics is relatively well studied, the toxicity of nanoplastics is largely uncharacterized. Here, fluorescent polystyrene nanoparticles (PS NPs) were used to investigate the potential toxicity of nanoplastics in developing zebrafish (Danio rerio), as well as to characterize the uptake and distribution of the particles within embryos and larvae. Zebrafish embryos at 6h post-fertilization (hpf) were exposed to PS NPs (0.1, 1, or 10ppm) until 120 hpf. Our results demonstrate that PS NPs accumulated in the yolk sac as early as 24 hpf and migrated to the gastrointestinal tract, gallbladder, liver, pancreas, heart, and brain throughout development (48-120 hpf). Accumulation of PS NPs decreased during the depuration phase (120-168 hpf) in all organs, but at a slower rate in the pancreas and gastrointestinal tract. Notably, exposure to PS NPs did not induce significant mortality, deformities, or changes to mitochondrial bioenergetics, but did decrease the heart rate. Lastly, exposure to PS NPs altered larval behavior as evidenced by swimming hypoactivity in exposed larvae. Taken together, these data suggest that at least some nanoplastics can penetrate the chorion of developing zebrafish, accumulate in the tissues, and affect physiology and behavior, potentially affecting organismal fitness in contaminated aquatic ecosystems.
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Affiliation(s)
- Jordan A Pitt
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA; College of Environmental Science and Forestry, State University of New York, Syracuse, NY 13210, USA.
| | - Jordan S Kozal
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA
| | - Nishad Jayasundara
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA; School of Marine Sciences, University of Maine, Orono, ME 04469, USA
| | - Andrey Massarsky
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA
| | - Rafael Trevisan
- Nicholas School of the Environment, Duke University, Durham, NC 27708, USA
| | - Nick Geitner
- Department of Civil and Environmental Engineering and the Center for the Environmental Implications of Nano Technology, Duke University, Durham, NC 27708, USA
| | - Mark Wiesner
- Department of Civil and Environmental Engineering and the Center for the Environmental Implications of Nano Technology, Duke University, Durham, NC 27708, USA
| | - Edward D Levin
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
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Veneman WJ, Spaink HP, Brun NR, Bosker T, Vijver MG. Pathway analysis of systemic transcriptome responses to injected polystyrene particles in zebrafish larvae. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 190:112-120. [PMID: 28704660 DOI: 10.1016/j.aquatox.2017.06.014] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 06/15/2017] [Accepted: 06/16/2017] [Indexed: 05/08/2023]
Abstract
Microplastics are a contaminant of emergent concern in the environment, however, to date there is a limited understanding on their movement within organisms and the response of organisms. In the current study zebrafish embryos at different development stages were exposed to 700nm fluorescent polystyrene (PS) particles and the response pathway after exposure was investigated using imaging and transcriptomics. Our results show limited spreading of particles within the larvae after injection during the blastula stage. This is in contrast to injection of PS particles in the yolk of 2-day old embryos, which resulted in redistribution of the PS particles throughout the bloodstream, and accumulation in the heart region. Although injection was local, the transcriptome profiling showed strong responses of zebrafish embryos exposed to PS particle, indicating a systemic response. We found several biological pathways activated which are related to an immune response in the PS exposed zebrafish larvae. Most notably the complement system was enriched as indicated by upregulation of genes in the alternative complement pathway (e.g. cfhl3, cfhl4, cfb and c9). The fact that complement pathway is activated indicates that plastic microparticles are integrated in immunological recognition processes. This was supported by fluorescence microscopy results, in which we observed co-localisation of neutrophils and macrophages around the PS particles. Identifying these key events can be a first building block to the development of an adverse outcome pathway (AOP). These data subsequently can be used within ecological and human risk assessment.
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Affiliation(s)
- Wouter J Veneman
- Institute of Environmental Sciences, Leiden University, P.O. Box 9518, 2300 RA Leiden, The Netherlands; Institute of Biology, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands.
| | - Herman P Spaink
- Institute of Biology, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands.
| | - Nadja R Brun
- Institute of Environmental Sciences, Leiden University, P.O. Box 9518, 2300 RA Leiden, The Netherlands.
| | - Thijs Bosker
- Institute of Environmental Sciences, Leiden University, P.O. Box 9518, 2300 RA Leiden, The Netherlands; Leiden University College, Leiden University, P.O. Box 13228, 2501 EE, The Hague, The Netherlands.
| | - Martina G Vijver
- Institute of Environmental Sciences, Leiden University, P.O. Box 9518, 2300 RA Leiden, The Netherlands.
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Sangabathuni S, Murthy RV, Chaudhary PM, Subramani B, Toraskar S, Kikkeri R. Mapping the Glyco-Gold Nanoparticles of Different Shapes Toxicity, Biodistribution and Sequestration in Adult Zebrafish. Sci Rep 2017; 7:4239. [PMID: 28652584 PMCID: PMC5484690 DOI: 10.1038/s41598-017-03350-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 04/27/2017] [Indexed: 11/09/2022] Open
Abstract
Glyconanotechnology offers a broad range of applications across basic and translation research. Despite the tremendous progress in glyco-nanomaterials, there is still a huge gap between the basic research and therapeutic applications of these molecules. It has been reported that complexity and the synthetic challenges in glycans synthesis, the cost of the high order in vivo models and large amount of sample consumptions limited the effort to translate the glyco-nanomaterials into clinical applications. In this regards, several promising simple animal models for preliminary, quick analysis of the nanomaterials activities has been proposed. Herein, we have studied a systematic evaluation of the toxicity, biodistribution of fluorescently tagged PEG and mannose-capped gold nanoparticles (AuNPs) of three different shapes (sphere, rod, and star) in the adult zebrafish model, which could accelerate and provide preliminary results for further experiments in the higher order animal system. ICP-MS analysis and confocal images of various zebrafish organs revealed that rod-AuNPs exhibited the fast uptake. While, star-AuNPs displayed prolong sequestration, demonstrating its potential therapeutic efficacy in drug delivery.
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Affiliation(s)
- Sivakoti Sangabathuni
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune, 411008, India
| | | | | | - Balamurugan Subramani
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Suraj Toraskar
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune, 411008, India
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune, 411008, India.
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Hansen SF, Sørensen SN, Skjolding LM, Hartmann NB, Baun A. Revising REACH guidance on information requirements and chemical safety assessment for engineered nanomaterials for aquatic ecotoxicity endpoints: recommendations from the EnvNano project. ENVIRONMENTAL SCIENCES EUROPE 2017; 29:14. [PMID: 28337404 PMCID: PMC5344937 DOI: 10.1186/s12302-017-0111-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 02/22/2017] [Indexed: 05/22/2023]
Abstract
The European Chemical Agency (ECHA) is in the process of revising its guidance documents on how to address the challenges of ecotoxicological testing of nanomaterials. In these revisions, outset is taken in the hypothesis that ecotoxicological test methods, developed for soluble chemicals, can be made applicable to nanomaterials. European Research Council project EnvNano-Environmental Effects and Risk Evaluation of Engineered, which ran from 2011 to 2016, took another outset by assuming that: "The behaviour of nanoparticles in suspension is fundamentally different from that of chemicals in solution". The aim of this paper is to present the findings of the EnvNano project and through these provide the scientific background for specific recommendations on how ECHA guidance could be further improved. Key EnvNano findings such as the need to characterize dispersion and dissolution rates in stock and test media have partially been addressed in the updated guidance. However, it has to be made clear that multiple characterization methods have to be applied to describe state of dispersion and dissolution over time and for various test concentration. More detailed information is called for on the specific characterization methods and techniques available and their pros and cons. Based on findings in EnvNano, we recommend that existing algal tests are supplemented with tests where suspensions of nanomaterials are aged for 1-3 days for nanomaterials that dissolve in testing media. Likewise, for daphnia tests we suggest to supplement with tests where (a) exposure is shortened to a 3 h pulse exposure in daphnia toxicity tests with environmentally hazardous metal and metal oxide nanomaterials prone to dissolution; and (b) food abundance is three to five times higher than normal, respectively. We further suggest that the importance of considering the impact of shading in algal tests is made more detailed in the guidance and that it is specified that determination of uptake, depuration and trophic transfer of nanomaterials for each commercialized functionalization of the nanomaterials is required. Finally, as an outcome of the project a method for assessing the regulatory adequacy of ecotoxicological studies of nanomaterials is proposed.
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Affiliation(s)
- Steffen Foss Hansen
- Department of Environmental Engineering, Technical University of Denmark, DTU-building 115, 2800 Kgs. Lyngby, Denmark
| | - Sara Nørgaard Sørensen
- Department of Environmental Engineering, Technical University of Denmark, DTU-building 115, 2800 Kgs. Lyngby, Denmark
| | - Lars Michael Skjolding
- Department of Environmental Engineering, Technical University of Denmark, DTU-building 115, 2800 Kgs. Lyngby, Denmark
| | - Nanna B. Hartmann
- Department of Environmental Engineering, Technical University of Denmark, DTU-building 115, 2800 Kgs. Lyngby, Denmark
| | - Anders Baun
- Department of Environmental Engineering, Technical University of Denmark, DTU-building 115, 2800 Kgs. Lyngby, Denmark
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