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Sharma S, Sharma K, Majhi S, Shekhar Pati Tripathi C, Guin D. Facile synthesis of Ag NPs@MgO nanosheets for quantitative SERS-based detection and removal of hazardous organic pollutants. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 323:124885. [PMID: 39096678 DOI: 10.1016/j.saa.2024.124885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 06/27/2024] [Accepted: 07/25/2024] [Indexed: 08/05/2024]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a highly precise and non-invasive analytical method known for its ability to detect vibrational signatures of minute analytes with exceptional sensitivity. However, the efficacy of SERS is subject to substrate properties, and current methodologies face challenges in attaining consistent, replicable, and stable substrates to regulate plasma hot spots across a wide spectral range. This study introduces a straightforward and economical approach that incorporates monodispersed silver nanoparticles onto 2-D porous magnesium oxide nanosheets (Ag@MgO-NSs) through an in-situ process. The resulting nanocomposite, Ag@MgO-NSs, demonstrates substantial SERS enhancement owing to its distinctive plasmonic resonance. The effectiveness of this nanocomposite is exemplified by depositing diverse environmental pollutants as analytes, such as antibiotic ciprofloxacin (CIP), organic dyes like rhodamine 6G (R6G) and methylene blue (MB), and nitrogen-rich pollutant like melamine (MLN), onto the proposed substrate. The proposed nanocomposite features a 2-D porous structure, resulting in a larger surface area and consequently providing numerous adsorption sites for analytes. Moreover, engineering the active sites of the nanocomposite results in a higher number of hotspots, leading to an enhanced performance. The nanocomposite outperforms, exhibiting superior detection capabilities for R6G, MB, and MLN at concentrations of 10-6 M and CIP at concentration of 10-5 M, with impressive uniformity, reproducibility, stability, and analytical enhancement factors (EF) of 6.3 x 104, 2 x 104, 2.73 x 104 and 1.8 x 104 respectively. This approach provides a direct and cost-effective method for the detection of a broad spectrum of environmental pollutants and food additives, presenting potential applications across diverse domains. The detected environmental pollutants and food additives are removed through both catalytic degradation (R6G and MB) and adsorption (CIP and MLN).
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Affiliation(s)
- Surbhi Sharma
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Keshav Sharma
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Shukla Majhi
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | | | - Debanjan Guin
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
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2
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Nigro L, Magni S, Ortenzi MA, Gazzotti S, Della Torre C, Signorini SG, Sbarberi R, Binelli A. Unveiling the multilevel impact of four water-soluble polymers on Daphnia magna: From proteome to behaviour (a case study). JOURNAL OF HAZARDOUS MATERIALS 2024; 469:134000. [PMID: 38508107 DOI: 10.1016/j.jhazmat.2024.134000] [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: 01/15/2024] [Revised: 02/27/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
The ubiquitous presence of water-soluble polymers (WSPs) in freshwater environments raises concerns regarding potential threats to aquatic organisms. This study investigated, for the first time, the effects of widely used WSPs -polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), polyacrylic acid (PAA), and polyethylene glycol (PEG)- using a multi-level approach in the freshwater biological model Daphnia magna. This integrated assessment employed a suite of biomarkers, evaluation of swimming behaviour, and proteomic analysis to investigate the effects of three environmentally relevant concentrations (0.001, 0.5, and 1 mg/L) of the tested WSPs from molecular to organismal levels, assessing both acute and chronic effects. Our findings reveal that exposure to different WSPs induces specific responses at each biological level, with PEG being the only WSP inducing lethal effects at 0.5 mg/L. At the physiological level, although all WSPs impacted both swimming performance and heart rate of D. magna specimens, PAA exhibited the greatest effects on the measured behavioural parameters. Furthermore, proteomic analyses demonstrated altered protein profiles following exposure to all WSPs, with PVA emerging as the most effective.
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Affiliation(s)
- Lara Nigro
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | - Stefano Magni
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy.
| | - Marco Aldo Ortenzi
- Department of Chemistry, University of Milan, Via Golgi 19, Milan 20133, Italy
| | - Stefano Gazzotti
- Department of Chemistry, University of Milan, Via Golgi 19, Milan 20133, Italy
| | - Camilla Della Torre
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | | | - Riccardo Sbarberi
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | - Andrea Binelli
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
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3
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Abdelkader Y, Perez-Davalos L, LeDuc R, Zahedi RP, Labouta HI. Omics approaches for the assessment of biological responses to nanoparticles. Adv Drug Deliv Rev 2023; 200:114992. [PMID: 37414362 DOI: 10.1016/j.addr.2023.114992] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/08/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
Nanotechnology has enabled the development of innovative therapeutics, diagnostics, and drug delivery systems. Nanoparticles (NPs) can influence gene expression, protein synthesis, cell cycle, metabolism, and other subcellular processes. While conventional methods have limitations in characterizing responses to NPs, omics approaches can analyze complete sets of molecular entities that change upon exposure to NPs. This review discusses key omics approaches, namely transcriptomics, proteomics, metabolomics, lipidomics and multi-omics, applied to the assessment of biological responses to NPs. Fundamental concepts and analytical methods used for each approach are presented, as well as good practices for omics experiments. Bioinformatics tools are essential to analyze, interpret and visualize large omics data, and to correlate observations in different molecular layers. The authors envision that conducting interdisciplinary multi-omics analyses in future nanomedicine studies will reveal integrated cell responses to NPs at different omics levels, and the incorporation of omics into the evaluation of targeted delivery, efficacy, and safety will improve the development of nanomedicine therapies.
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Affiliation(s)
- Yasmin Abdelkader
- Unity Health Toronto - St. Michael's Hospital, University of Toronto, 209 Victoria St., Toronto, Ontario M5B 1T8, Canada; College of Pharmacy, Apotex Centre, University of Manitoba, 750 McDermot Av. W, Winnipeg, Manitoba R3E 0T5, Canada; Department of Cell Biology, Biotechnology Research Institute, National Research Centre, 33 El Buhouth St., Cairo 12622, Egypt
| | - Luis Perez-Davalos
- Unity Health Toronto - St. Michael's Hospital, University of Toronto, 209 Victoria St., Toronto, Ontario M5B 1T8, Canada; College of Pharmacy, Apotex Centre, University of Manitoba, 750 McDermot Av. W, Winnipeg, Manitoba R3E 0T5, Canada
| | - Richard LeDuc
- Children's Hospital Research Institute of Manitoba, 513 - 715 McDermot Av. W, Winnipeg, Manitoba R3E 3P4, Canada; Department of Biochemistry and Medical Genetics, University of Manitoba, 745 Bannatyne Av., Winnipeg, Manitoba R3E 0J9, Canada
| | - Rene P Zahedi
- Department of Biochemistry and Medical Genetics, University of Manitoba, 745 Bannatyne Av., Winnipeg, Manitoba R3E 0J9, Canada; Department of Internal Medicine, 715 McDermot Av., Winnipeg, Manitoba R3E 3P4, Canada; Manitoba Centre for Proteomics and Systems Biology, 799 JBRC, 715 McDermot Av., Winnipeg, Manitoba R3E 3P4, Canada; CancerCare Manitoba Research Institute, 675 McDermot Av., Manitoba R3E 0V9, Canada
| | - Hagar I Labouta
- Unity Health Toronto - St. Michael's Hospital, University of Toronto, 209 Victoria St., Toronto, Ontario M5B 1T8, Canada; College of Pharmacy, Apotex Centre, University of Manitoba, 750 McDermot Av. W, Winnipeg, Manitoba R3E 0T5, Canada; Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College St., Toronto, Ontario M5S 3M2, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9, Canada; Faculty of Pharmacy, Alexandria University, 1 Khartoum Square, Azarita, Alexandria, Egypt, 21521.
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4
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Tubatsi G, Kebaabetswe LP, Musee N. Proteomic evaluation of nanotoxicity in aquatic organisms: A review. Proteomics 2022; 22:e2200008. [PMID: 36107811 DOI: 10.1002/pmic.202200008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 08/11/2022] [Accepted: 08/11/2022] [Indexed: 12/29/2022]
Abstract
The alteration of organisms protein functions by engineered nanoparticles (ENPs) is dependent on the complex interplay between their inherent physicochemical properties (e.g., size, surface coating, shape) and environmental conditions (e.g., pH, organic matter). To date, there is increasing interest on the use of 'omics' approaches, such as proteomics, genomics, and others, to study ENPs-biomolecules interactions in aquatic organisms. However, although proteomics has recently been applied to investigate effects of ENPs and associated mechanisms in aquatic organisms, its use remain limited. Herein, proteomics techniques widely applied to investigate ENPs-protein interactions in aquatic organisms are reviewed. Data demonstrates that 2DE and mass spectrometry and/or their combination, thereof, are the most suitable techniques to elucidate ENPs-protein interactions. Furthermore, current status on ENPs and protein interactions, and possible mechanisms of nanotoxicity with emphasis on those that exert influence at protein expression levels, and key influencing factors on ENPs-proteins interactions are outlined. Most reported studies were done using synthetic media and essay protocols and had wide variability (not standardized); this may consequently limit data application in actual environmental systems. Therefore, there is a need for studies using realistic environmental concentrations of ENPs, and actual environmental matrixes (e.g., surface water) to aid better model development of ENPs-proteins interactions in aquatic systems.
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Affiliation(s)
- Gosaitse Tubatsi
- Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology (BIUST), Palapye, Botswana
| | - Lemme Prica Kebaabetswe
- Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology (BIUST), Palapye, Botswana
| | - Ndeke Musee
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Pretoria, South Africa
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Wagner ND, Simmons DBD, Prater C, Frost PC. Proteome changes in an aquatic invertebrate consumer in response to different nutritional stressors. Oecologia 2022; 199:329-341. [PMID: 35661252 DOI: 10.1007/s00442-022-05198-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 05/21/2022] [Indexed: 11/26/2022]
Abstract
Nutrient imbalances in zooplankton are caused by the differences in elemental content of producers and the demand for elements in consumers, which alter the life-history traits in consumers. Changes in life-history traits are mediated through metabolic pathways that affect gene expression and the metabolome. However, less is known about proteomic changes to elemental-limitation in zooplankton. Here, we grew Daphnia pulex under high food quantity and quality (HF), low food quantity (LF), and phosphorus (P)-limited (PL) diets for six days and measured growth, elemental composition, and the proteome. Daphnids in both LF and PL diets grew less. Animals in LF diets had less carbon (C), while daphnids in PL diets had less P compared to HF fed animals. In total, we identified 1719 proteins that were used in a partial least squares regression discriminant analysis (PLS-DA). Focusing on a subset of the proteome, the PLS-DA resulted in a clear separation between animals fed HF diets and PL and LF diets. Many proteome changes in nutrient-limited diets are associated with growth, reproduction, lipid metabolism, and nutrient assimilation. Regardless of the limiting nutrient, there were less hemoglobin and small subunit processome component proteins compared to HF fed animals. Daphnids fed LF diets had less vitellogenin fused superoxide dismutase and more lipid-droplet hydrolase, whereas Daphnia fed PL diets had higher abundances of cytochrome P450 and serine protease. Our proteome results compliment other "omic" studies that could be used to study Daphnia physiology in lakes.
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Affiliation(s)
- Nicole D Wagner
- Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, Texas, USA.
| | | | - Clay Prater
- Department of Integrative Biology, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Paul C Frost
- Department of Biology, Tent University, Peterborough, ON, Canada
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6
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Turki F, Ben Younes R, Sakly M, Ben Rhouma K, Martinez-Guitarte JL, Amara S. Effect of silver nanoparticles on gene transcription of land snail Helix aspersa. Sci Rep 2022; 12:2078. [PMID: 35136168 PMCID: PMC8826417 DOI: 10.1038/s41598-022-06090-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 01/24/2022] [Indexed: 11/09/2022] Open
Abstract
Silver nanoparticles (Ag-NPs) are extremely useful in a diverse range of consumer goods. However, their impact on the environment is still under research, especially regarding the mechanisms involved in their effect. Aiming to provide some insight, the present work analyzes the transcriptional activity of six genes (Hsp83, Hsp17.2, Hsp19.8, SOD Cu-Zn, Mn-SOD, and BPI) in the terrestrial snail Helix aspersa in the presence of different concentrations of Ag-NPs. The animals were exposed for seven days to Lactuca sativa soaked for one hour in different concentrations of Ag-NPs (20, 50, 100 mg/L). The results revealed that the highest concentration tested of Ag-NPs (100 mg/L) led to a statistically significant induction of the Hsp83 and BPI expression in the digestive gland compared to the control group. However, a trend to upregulation with no statistical significance was observed for all the genes in the digestive gland and the foot, while in the hemolymph, the trend was to downregulation. Ag-NPs affected the stress response and immunity under the tested conditions, although the impact was weak. It is necessary to explore longer exposure times to confirm that the effect can be maintained and impact on health. Our results highlight the usefulness of the terrestrial snail Helix aspersa as a bioindicator organism for silver nanoparticle pollution biomonitoring and, in particular, the use of molecular biomarkers of pollutant effect as candidates to be included in a multi-biomarker strategy.
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Affiliation(s)
- Faten Turki
- Laboratory of Integrative Physiology, Faculty of Sciences of Bizerte, University of Carthage, 7021, Jarzouna, Tunisia
| | - Ridha Ben Younes
- Research Unit of Immuno-Microbiology Environmental and Carcinogenesis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - Mohsen Sakly
- Laboratory of Integrative Physiology, Faculty of Sciences of Bizerte, University of Carthage, 7021, Jarzouna, Tunisia
| | - Khemais Ben Rhouma
- Laboratory of Integrative Physiology, Faculty of Sciences of Bizerte, University of Carthage, 7021, Jarzouna, Tunisia
| | - José-Luis Martinez-Guitarte
- Grupo de Biología y Toxicología Ambiental, Departamento de Física Matemática y de Fluidos, Facultad de Ciencias, UNED, c/ Paseo de la Senda del Rey 9, 28040, Madrid, Spain.
| | - Salem Amara
- Laboratory of Integrative Physiology, Faculty of Sciences of Bizerte, University of Carthage, 7021, Jarzouna, Tunisia
- Department of Natural and Applied Sciences in Afif, Faculty of Sciences and Humanities, Shaqra University, Afif, 11921, Saudi Arabia
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7
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Xiao Y, Tang W, Peijnenburg WJGM. Particle-Specific Toxicity of Copper Nanoparticles to Soybean (Glycine max L.): Effects of Nanoparticle Concentration and Natural Organic Matter. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:2825-2835. [PMID: 34289521 DOI: 10.1002/etc.5172] [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: 05/28/2021] [Revised: 07/03/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
For the soluble metallic nanoparticles (NPs), which forms (particles [NP(particle) ] vs. dissolved ions [NP(ion) ]) are the main cause of toxicity of the NP suspension (NP(total) ) remains uncertain. In the present study, soybean was exposed to Cu NPs in a hydroponic system to determine how natural organic matter (NOM; 10 mg/l) and concentration of Cu NP(total) (2-50 mg/l) affect the relative contributions of Cu NP(particle) and Cu NP(ion) to the overall toxicity. We found that NOM mitigated the phytotoxicity of Cu NP(particle) more significantly than that of Cu salt. When no NOM was added, Cu NP(particle) rather than Cu NP(ion) was the main contributor to the observed toxicity regardless of the concentration of Cu NP(total) . However, NOM tended to reduce the relative contribution of Cu NP(particle) to the toxicity of Cu NP(total) . Especially at a low concentration of Cu NP(total) (2 mg/l), the toxicity of Cu NP(total) mainly resulted from Cu NP(ion) in the presence of NOM (accounting for ≥70% of the overall toxicity). This might be attributable to the combined effects of increased dissolution of Cu NPs and steric-electrostatic hindrance between Cu NP(particle) and the soybean roots caused by NOM. Fulvic acids (FAs) tended to reduce the role of Cu NP(particle) in the overall toxicity more effectively than humic acids (HAs), which might partially be due to the higher extent of Cu NP dissolution on FA treatment than in HA treatment. Our results suggest that because of the relatively low metallic NP concentration and the presence of NOM in natural water, NP(ion) are likely problematic, which can inform management and mitigation actions. Environ Toxicol Chem 2021;40:2825-2835. © 2021 SETAC.
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Affiliation(s)
- Yinlong Xiao
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, PR China
| | - Wei Tang
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, PR China
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences, Leiden University, Leiden, The Netherlands
- National Institute of Public Health and the Environment, Center for the Safety of Substances and Products, Bilthoven, The Netherlands
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8
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Shao Z, Guagliardo P, Jiang H, Wang WX. Intra- and Intercellular Silver Nanoparticle Translocation and Transformation in Oyster Gill Filaments: Coupling Nanoscale Secondary Ion Mass Spectrometry and Dual Stable Isotope Tracing Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:433-446. [PMID: 33325689 DOI: 10.1021/acs.est.0c04621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The extensive application of silver nanoparticles (AgNPs) requires a full examination of their biological impacts, especially in aquatic systems where AgNPs are likely to end up. Despite numerous toxicity studies from molecular to individual levels, it is still a daunting challenge to achieve in situ subcellular imaging of Ag and to determine the sites of AgNP interaction with organelles or macromolecules simultaneously. Here, by coupling high-resolution nanoscale secondary ion mass spectrometry elemental mapping with scanning electron microscopy ultrastructural characterization, we successfully visualized the subcellular localization and the potential toxicity effects of AgNPs in the oyster gill filaments. The stable isotope tracing method was also adopted to investigate the respective uptake and transport mechanisms of differently labeled 109AgNPs and 107Ag+ ions. 109Ag hotspots were colocalized with endosomes or lysosomes, proving an endocytosis-based entry of AgNPs which passed through the barrier of oyster gill epithelium. These 109Ag hotspots showed a strong colocalization with 32S-. For the first time, we provided visualized evidence of AgNP-induced autophagy in the oyster gill cells. We further identified two categories of hemocytes (blood cells) and illustrated their roles in AgNP transport and sequestration. The integration of morphological and functional aspects of Ag subcellular distribution in different target cells suggested that oysters were equipped with a specialized endolysosomal (epithelial cells) or phagolysosomal system (hemocytes) in regulating the cellular process of AgNPs, during which the lysosome was the most involved organelle and sulfur was the most relevant macronutrient element. This study highlighted not only the intracellular but also the intercellular AgNP translocation and transformation, providing important subcellular imaging of silver and reliable methodology regarding bio-nano interactions in natural environments.
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Affiliation(s)
- Zishuang Shao
- Department of Ocean Science and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong, China
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Paul Guagliardo
- Centre for Microscopy, Characterisation and Analysis, University of Western Australia, Perth, Western Australia 6009, Australia
| | - Haibo Jiang
- School of Molecular Sciences, University of Western Australia, Perth, Western Australia 6009, Australia
| | - Wen-Xiong Wang
- Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
- School of Energy and Environment, State Key Laboratory of Marine Pollution, and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), City University of Hong Kong, Kowloon, Hong Kong, China
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Zhang J, Shen L, Xiang Q, Ling J, Zhou C, Hu J, Chen L. Proteomics reveals surface electrical property-dependent toxic mechanisms of silver nanoparticles in Chlorella vulgaris. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:114743. [PMID: 32534322 DOI: 10.1016/j.envpol.2020.114743] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
Silver nanoparticles (AgNPs) are known to exert adverse effects on both humans and aquatic organisms; however, the toxic mechanisms underlying these effects remain unclear. In this study, we investigated the toxic mechanisms of various AgNPs with different surface electrical properties in the freshwater algae Chlorella vulgaris using an advanced proteomics approach with Data-Independent Acquisition. Citrate-coated AgNPs (Cit-AgNPs) and polyethyleneimine-coated AgNPs (PEI-AgNPs) were selected as representatives of negatively and positively charged nanoparticles, respectively. Our results demonstrated that the AgNPs exhibited surface electrical property-dependent effects on the proteomic profile of C. vulgaris. In particular, the negatively charged Cit-AgNPs specifically regulated mitochondrial function-related proteins, resulting in the disruption of several associated metabolic pathways, such as those related to energy metabolism, oxidative phosphorylation, and amino acid synthesis. In contrast, the positively charged PEI-AgNPs primarily targeted ribosome function-related proteins and interrupted pathways of protein synthesis and DNA genetic information transmission. In addition, Ag+ ions released from the AgNPs had a significant influence on protein regulation and the induction of cellular stress. Collectively, our findings provide new insight into the surface electrical property-dependent proteomic effects of AgNPs on C. vulgaris and should improve our understanding of the toxic mechanisms of AgNPs in freshwater algae.
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Affiliation(s)
- Jilai Zhang
- Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Trans-Boundary Eco-security, Yunnan University, Kunming, 650091, People's Republic of China; Yunnan International Joint Research Center for Hydro-Ecology Science & Engineering, Yunnan University, Kunming, 650091, People's Republic of China
| | - Lin Shen
- Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Trans-Boundary Eco-security, Yunnan University, Kunming, 650091, People's Republic of China; Yunnan International Joint Research Center for Hydro-Ecology Science & Engineering, Yunnan University, Kunming, 650091, People's Republic of China
| | - Qianqian Xiang
- Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Trans-Boundary Eco-security, Yunnan University, Kunming, 650091, People's Republic of China; Yunnan International Joint Research Center for Hydro-Ecology Science & Engineering, Yunnan University, Kunming, 650091, People's Republic of China
| | - Jian Ling
- College of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Chuanhua Zhou
- College of Chemical Science and Technology, Yunnan University, Kunming, 650091, People's Republic of China
| | - Jinming Hu
- Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Trans-Boundary Eco-security, Yunnan University, Kunming, 650091, People's Republic of China; Yunnan International Joint Research Center for Hydro-Ecology Science & Engineering, Yunnan University, Kunming, 650091, People's Republic of China
| | - Liqiang Chen
- Institute of International Rivers and Eco-security, Yunnan Key Laboratory of International Rivers and Trans-Boundary Eco-security, Yunnan University, Kunming, 650091, People's Republic of China; Yunnan International Joint Research Center for Hydro-Ecology Science & Engineering, Yunnan University, Kunming, 650091, People's Republic of China.
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Kim HJ, Lee D, Won CH, Kim HW. Statistical correlation of ecotoxicity and water quality parameters in slaughterhouse wastewater. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:1671-1680. [PMID: 31087230 DOI: 10.1007/s10653-019-00314-6] [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: 11/20/2018] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
The major causes of toxicity in slaughterhouse wastewater are identified by analyzing the relationship between representative pollutants and the acute toxicity of Daphnia magna. Experimental results demonstrate that organic matters are strongly associated with the acute toxicity. Among many organic pollutants, proteins and carbohydrates were found to be the main toxicity inducers that cause metabolic transformation of D. magna. Statistical correlation between biodegradable soluble organics and the acute toxicity further explains how principal pollutants play potential toxin roles. Also, this study verifies that the variations of biochemical oxygen demand over total chemical oxygen demand (BOD TCOD-1) as well as total organic carbon over total carbon (TOC TC-1) can be indirect indicators explaining the acute toxicity of D. magna because the removal of non-degradable and non-soluble organic matters is connected to the toxicity removal. Overall, these results provide how the acute toxicity of D. magna is attributed to pollutants and what is the potential source of threats to society in slaughterhouse wastewater.
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Affiliation(s)
- Hee-Jun Kim
- Division of Environmental Engineering, Soil Environment Research Center, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Korea
| | - Donggwan Lee
- Division of Environmental Engineering, Soil Environment Research Center, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Korea
| | - Chan-Hee Won
- Division of Environmental Engineering, Soil Environment Research Center, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Korea
| | - Hyun-Woo Kim
- Division of Environmental Engineering, Soil Environment Research Center, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Korea.
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11
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Gurunathan S, Jeyaraj M, La H, Yoo H, Choi Y, Do JT, Park C, Kim JH, Hong K. Anisotropic Platinum Nanoparticle-Induced Cytotoxicity, Apoptosis, Inflammatory Response, and Transcriptomic and Molecular Pathways in Human Acute Monocytic Leukemia Cells. Int J Mol Sci 2020; 21:ijms21020440. [PMID: 31936679 PMCID: PMC7014054 DOI: 10.3390/ijms21020440] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 12/18/2022] Open
Abstract
The thermoplasmonic properties of platinum nanoparticles (PtNPs) render them desirable for use in diagnosis, detection, therapy, and surgery. However, their toxicological effects and impact at the molecular level remain obscure. Nanotoxicology is mainly focused on the interactions of nanostructures with biological systems, particularly with an emphasis on elucidating the relationship between the physical and chemical properties such as size and shape. Therefore, we hypothesized whether these unique anisotropic nanoparticles could induce cytotoxicity similar to that of spherical nanoparticles and the mechanism involved. Thus, we synthesized unique and distinct anisotropic PtNPs using lycopene as a biological template and investigated their biological activities in model human acute monocytic leukemia (THP-1) macrophages. Exposure to PtNPs for 24 h dose-dependently decreased cell viability and proliferation. Levels of the cytotoxic markers lactate dehydrogenase and intracellular protease significantly and dose-dependently increased with PtNP concentration. Furthermore, cells incubated with PtNPs dose-dependently produced oxidative stress markers including reactive oxygen species (ROS), malondialdehyde, nitric oxide, and carbonylated protein. An imbalance in pro-oxidants and antioxidants was confirmed by significant decreases in reduced glutathione, thioredoxin, superoxide dismutase, and catalase levels against oxidative stress. The cell death mechanism was confirmed by mitochondrial dysfunction and decreased ATP levels, mitochondrial copy numbers, and PGC-1α expression. To further substantiate the mechanism of cell death mediated by endoplasmic reticulum stress (ERS), we determined the expression of the inositol-requiring enzyme (IRE1), (PKR-like ER kinase) PERK, activating transcription factor 6 (ATF6), and activating transcription factor 4 ATF4, the apoptotic markers p53, Bax, and caspase 3, and the anti-apoptotic marker Bcl-2. PtNPs could activate ERS and apoptosis mediated by mitochondria. A proinflammatory response to PtNPs was confirmed by significant upregulation of interleukin-1-beta (IL-1β), interferon γ (IFNγ), tumor necrosis factor alpha (TNFα), and interleukin (IL-6). Transcriptomic and molecular pathway analyses of THP-1 cells incubated with the half maximal inhibitory concentration (IC50) of PtNPs revealed the altered expression of genes involved in protein misfolding, mitochondrial function, protein synthesis, inflammatory responses, and transcription regulation. We applied transcriptomic analyses to investigate anisotropic PtNP-induced toxicity for further mechanistic studies. Isotropic nanoparticles are specifically used to inhibit non-specific cellular uptake, leading to enhanced in vivo bio-distribution and increased targeting capabilities due to the higher radius of curvature. These characteristics of anisotropic nanoparticles could enable the technology as an attractive platform for nanomedicine in biomedical applications.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Kwonho Hong
- Correspondence: ; Tel.: +82-2-450-0560; Fax: +82-2-444-3490
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12
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Lekamge S, Ball AS, Shukla R, Nugegoda D. The Toxicity of Nanoparticles to Organisms in Freshwater. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 248:1-80. [PMID: 30413977 DOI: 10.1007/398_2018_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nanotechnology is a rapidly growing industry yielding many benefits to society. However, aquatic environments are at risk as increasing amounts of nanoparticles (NPs) are contaminating waterbodies causing adverse effects on aquatic organisms. In this review, the impacts of environmental exposure to NPs, the influence of the physicochemical characteristics of NPs and the surrounding environment on toxicity and mechanisms of toxicity together with NP bioaccumulation and trophic transfer are assessed with a focus on their impacts on bacteria, algae and daphnids. We identify several gaps which need urgent attention in order to make sound decisions to protect the environment. These include uncertainty in both estimated and measured environmental concentrations of NPs for reliable risk assessment and for regulating the NP industry. In addition toxicity tests and risk assessment methodologies specific to NPs are still at the research and development stage. Also conflicting and inconsistent results on physicochemical characteristics and the fate and transport of NPs in the environment suggest the need for further research. Finally, improved understanding of the mechanisms of NP toxicity is crucial in risk assessment of NPs, since conventional toxicity tests may not reflect the risks associated with NPs. Behavioural effects may be more sensitive and would be efficient in certain situations compared with conventional toxicity tests due to low NP concentrations in field conditions. However, the development of such tests is still lacking, and further research is recommended.
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Affiliation(s)
- Sam Lekamge
- Ecotoxicology Research Group, Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, VIC, Australia.
| | - Andrew S Ball
- Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, VIC, Australia
| | - Ravi Shukla
- Nanobiotechnology Research Laboratory, RMIT University, Melbourne, VIC, Australia
| | - Dayanthi Nugegoda
- Ecotoxicology Research Group, Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, VIC, Australia
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13
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Peshkin L, Boukhali M, Haas W, Kirschner MW, Yampolsky LY. Quantitative Proteomics Reveals Remodeling of Protein Repertoire Across Life Phases of Daphnia pulex. Proteomics 2019; 19:e1900155. [PMID: 31697011 DOI: 10.1002/pmic.201900155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 10/26/2019] [Indexed: 11/06/2022]
Abstract
Although the microcrustacean Daphnia is becoming an organism of choice for proteomic studies, protein expression across its life cycle have not been fully characterized. Proteomes of adult females, juveniles, asexually produced embryos, and the ephippia-resting stages containing sexually produced diapausing freezing- and desiccation-resistant embryos are analyzed. Overall, proteins with known molecular functions are more likely to be detected than proteins with no detectable orthology. Similarly, proteins with stronger gene model support in two independent genome assemblies can be detected, than those without such support. This suggests that the proteomics pipeline can be applied to verify hypothesized proteins, even given questionable reference gene models. In particular, upregulation of vitellogenins and downregulation of actins and myosins in embryos of both types, relative to juveniles and adults, and overrepresentation of cell-cycle related proteins in the developing embryos, relative to diapausing embryos and adults, are observed. Upregulation of small heat-shock proteins and peroxidases, as well as overrepresentation of stress-response proteins in the ephippium relative to the asexually produced non-diapausing embryos, is found. The ephippium also shows upregulation of three trehalose-synthesis proteins and downregulation of a trehalose hydrolase, consistent with the role of trehalose in protection against freezing and desiccation.
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Affiliation(s)
- Leonid Peshkin
- Department of Systems Biology, Harvard Medical School, Boston, MA, 02115, USA
| | - Myriam Boukhali
- Massachusetts General Hospital Cancer Center and Department of Medicine, Harvard Medical School, Building 149, 13th Street, Charlestown, MA, 02129, USA
| | - Wilhelm Haas
- Massachusetts General Hospital Cancer Center and Department of Medicine, Harvard Medical School, Building 149, 13th Street, Charlestown, MA, 02129, USA
| | - Marc W Kirschner
- Department of Systems Biology, Harvard Medical School, Boston, MA, 02115, USA
| | - Lev Y Yampolsky
- Department of Biological Sciences, East Tennessee State University, Johnson City, TN, 31714, USA
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14
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Swart E, de Boer TE, Chen G, Vooijs R, van Gestel CAM, van Straalen NM, Roelofs D. Species-specific transcriptomic responses in Daphnia magna exposed to a bio-plastic production intermediate. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 252:399-408. [PMID: 31158668 DOI: 10.1016/j.envpol.2019.05.057] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/10/2019] [Accepted: 05/11/2019] [Indexed: 06/09/2023]
Abstract
Hydroxymethylfurfural (HMF) is a plant-based chemical building block that could potentially substitute petroleum-based equivalents, yet ecotoxicological data of this compound is currently limited. In this study, the effects of HMF on the reproduction and survival of Daphnia magna were assessed through validated ecotoxicological tests. The mechanism of toxicity was determined by analysis of transcriptomic responses induced by exposure to different concentrations of HMF using RNA sequencing. HMF exerted toxicity to D. magna with an EC50 for effects on reproduction of 17.2 mg/l. HMF exposure affected molecular pathways including sugar and polysaccharide metabolism, lipid metabolism, general stress metabolism and red blood cell metabolism, although most molecular pathways affected by HMF exposure were dose specific. Hemoglobin genes, however, responded in a sensitive and dose-related manner. No induction of genes involved in the xenobiotic metabolism or oxidative stress metabolism pathway could be observed, which contrasted earlier observations on transcriptional responses of the terrestrial model Folsomia candida exposed to the same compound in a similar dose. We found 4189 orthologue genes between D. magna and F. candida, yet only twenty-one genes of those orthologues were co-regulated in both species. The contrasting transcriptional responses to the same compound exposed at a similar dose between D. magna and F. candida indicates limited overlap in stress responses among soil and aquatic invertebrates. The dose-related expression of hemoglobin provides further support for using hemoglobin expression as a biomarker for general stress responses in daphnids.
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Affiliation(s)
- Elmer Swart
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081, HV, Amsterdam, the Netherlands.
| | - Tjalf E de Boer
- MicroLife Solutions B.V., Science Park 406, 1098, XH, Amsterdam, the Netherlands
| | - Guangquan Chen
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081, HV, Amsterdam, the Netherlands
| | - Riet Vooijs
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081, HV, Amsterdam, the Netherlands
| | - Cornelis A M van Gestel
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081, HV, Amsterdam, the Netherlands
| | - Nico M van Straalen
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081, HV, Amsterdam, the Netherlands
| | - Dick Roelofs
- Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081, HV, Amsterdam, the Netherlands
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15
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Chatterjee N, Choi S, Kwon OK, Lee S, Choi J. Multi-generational impacts of organic contaminated stream water on Daphnia magna: A combined proteomics, epigenetics and ecotoxicity approach. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 249:217-224. [PMID: 30893634 DOI: 10.1016/j.envpol.2019.03.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 02/28/2019] [Accepted: 03/10/2019] [Indexed: 06/09/2023]
Abstract
The present study aimed to elucidate the mechanisms of organismal sensitivity and/or physiological adaptation in the contaminated water environment. Multigenerational cultures (F0, F1, F2) of Daphnia magna in collected stream water (OCSW), contaminated with high fecal coliform, altered the reproductive scenario (changes in first brood size timing, clutch numbers, clutch size etc.), compromised fitness (increase hemoglobin, alteration in behavior), and affected global DNA methylation (hypermethylation) without affecting survival. Using proteomics approach, we found 288 proteins in F0 and 139 proteins in F2 that were significantly differentially upregulated after OCSW exposure. The individual protein expressions, biological processes and molecular functions were mainly related to metabolic processes, development and reproduction, transport (protein/lipid/oxygen), antioxidant activity, increased globin and S-adenosylmethionine synthase protein level etc., which was further found to be connected to phenotype-dependent endpoints. The proteomics pathway analysis evoked proteasome, chaperone family proteins, neuronal disease pathways (such as, Parkinson's disease) and apoptosis signaling pathways in OCSW-F0, which might be the cause of behavioral and developmental alterations in OCSW-F0. Finally, chronic multigenerational exposure to OCSW exhibited slow physiological adaptation in most of the measured effects, including proteomics analysis, from the F0 to F2 generations. The common upregulated proteins in both generations (F0 & F2), such as, globin, vitellinogen, lipid transport proteins etc., were possibly play the pivotal role in the organism's physiological adaptation. Taken together, our results, obtained with a multilevel approach, provide new insight of the molecular mechanism in fecal coliform-induced phenotypic plasticity in Daphnia magna.
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Affiliation(s)
- Nivedita Chatterjee
- School of Environmental Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul, 130-743, South Korea
| | - Suhyon Choi
- School of Environmental Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul, 130-743, South Korea
| | - Oh Kwang Kwon
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 41566, South Korea
| | - Sangkyu Lee
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 41566, South Korea
| | - Jinhee Choi
- School of Environmental Engineering, University of Seoul, 163 Siripdaero, Dongdaemun-gu, Seoul, 130-743, South Korea.
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16
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Lin L, Xu M, Mu H, Wang W, Sun J, He J, Qiu JW, Luan T. Quantitative Proteomic Analysis to Understand the Mechanisms of Zinc Oxide Nanoparticle Toxicity to Daphnia pulex (Crustacea: Daphniidae): Comparing with Bulk Zinc Oxide and Zinc Salt. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:5436-5444. [PMID: 30942576 DOI: 10.1021/acs.est.9b00251] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The widespread use of zinc oxide nanoparticles (ZnO NPs) has resulted in their release to the environment. There has been concern about the ecotoxicity of ZnO NPs, but little is known about their toxic mechanisms. In the present study, we conducted acute toxicity tests to show that ZnO NPs are more toxic to the freshwater crustacean Daphnia pulex compared to bulk ZnO or ZnSO4·7H2O. To provide an integrated and quantitative insights into the toxicity of ZnO NPs, we conducted isobaric tags for relative and absolute quantitation (iTRAQ) proteomic analysis, which detected 262, 331, and 360 differentially expressed proteins (DEPs) in D. pulex exposed to ZnO NPs, bulk ZnO, and ZnSO4·7H2O, respectively. Among the DEPs, 224 were shared among the three treatments. These proteins were related to energy metabolism, oxidative stress, and endoplasmic reticulum stress. The three forms of Zn all caused D. pulex to downregulate Chitinase expression, disrupt Ca2+ homeostasis, and reduce expression of digestive enzymes. Nevertheless, 29 proteins were expressed only in the ZnO NP treatment. In particular, histone (H3) and ribosomal proteins (L13) were obviously influenced under ZnO NP treatment. However, increased expression levels of h3 and l13 genes were not induced only in ZnO NP treatment, they were sensitive to Zn ions under the same exposure concentration. These results indicate that the three zinc substances have a similar mode of action and that released zinc ions are the main contributor to ZnO NP toxicity to D. pulex under a low concentration. Further investigation is needed to clarify whether a small proportion of DEPs or higher bioavailability cause ZnO NPs to be more toxic compared to bulk ZnO or ionic zinc.
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Affiliation(s)
- Li Lin
- State Key Laboratory of Biocontrol/School of Life Sciences , Sun Yat-sen University , Guangzhou 510275 , P. R. China
| | - Mingzhi Xu
- State Key Laboratory of Biocontrol/School of Life Sciences , Sun Yat-sen University , Guangzhou 510275 , P. R. China
| | - Huawei Mu
- School of Life Sciences , University of Science and Technology of China , Hefei 230071 , P. R. China
| | - Wenwen Wang
- State Key Laboratory of Biocontrol/School of Life Sciences , Sun Yat-sen University , Guangzhou 510275 , P. R. China
| | - Jin Sun
- Department of Ocean Science , Hong Kong University of Science and Technology , Hong Kong , P. R. China
| | - Jing He
- State Key Laboratory of Biocontrol/School of Life Sciences , Sun Yat-sen University , Guangzhou 510275 , P. R. China
| | - Jian-Wen Qiu
- Department of Biology , Hong Kong Baptist University , Hong Kong , P. R. China
| | - Tiangang Luan
- State Key Laboratory of Biocontrol/School of Life Sciences , Sun Yat-sen University , Guangzhou 510275 , P. R. China
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17
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Flexible and transparent Surface Enhanced Raman Scattering (SERS)-Active Ag NPs/PDMS composites for in-situ detection of food contaminants. Talanta 2019; 201:58-64. [PMID: 31122461 DOI: 10.1016/j.talanta.2019.03.115] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 03/28/2019] [Accepted: 03/30/2019] [Indexed: 11/24/2022]
Abstract
The fabrication of flexible and transparent Surface Enhanced Raman Scattering (SERS) substrates enabling fast, sensitive and on site detection is relevant for the practical application of SERS for real world analysis, such as food safety and organic pollutants monitoring. In this work novel Ag NPs/PDMS composites were fabricated and employed for the SERS detection of food contaminants directly on food surfaces. Ag NPs/PDMS composites were obtained by self-assembly of organic Ag nanoparticle solutions on flexible PDMS surfaces. Preliminary evaluation of the suitability of Ag NPs/PDMS probes for SERS analysis showed that composites were characterized by a SERS enhancement factor (EF) of 3.1 × 105, good stability and resistance to harsh conditions as well as good uniformity and batch to bach reproducibility. The "sticky" nature of Ag NPs/PDMS composites was exploited to "paste" them on irregular analytical surfaces, thus enabling the detection in situ of food contaminant crystal violet (CV) and pesticide thiram, respectively. Specifically, CV and thiram concentrations as low as 1 × 10-7 M and 1 × 10-5 M were measured on contaminated fish skin and orange peel, respectively. Furthermore, efficient SERS detection by micro-extraction of CV from fish skin and thiram from fruit surfaces was achieved, showing the analytical versatility of the fabricated SERS composites.
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18
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Bouallegui Y, Ben Younes R, Oueslati R, Sheehan D. Redox proteomic insights into involvement of clathrin-mediated endocytosis in silver nanoparticles toxicity to Mytilus galloprovincialis. PLoS One 2018; 13:e0205765. [PMID: 30372447 PMCID: PMC6205585 DOI: 10.1371/journal.pone.0205765] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 10/01/2018] [Indexed: 12/21/2022] Open
Abstract
Clathrin-mediated endocytosis is a major mode of nanoparticle (NP) internalization into cells. However, influence of internalization routes on nanoparticle toxicity is poorly understood. Here, we assess the impact of blocking clathrin-mediated endocytosis upon silver NP (AgNP) toxicity to gills and digestive glands of the mussel Mytilusgalloprovincialisusing the uptake inhibitor, amantadine. Animals were exposed for 12h to AgNP (< 50 nm) in the presence and absence of amantadine. Labeling of oxidative protein modifications, either thiol oxidation, carbonyl formation or both in two-dimensional electrophoresis separations revealed 16 differentially affected abundance spots. Amongst these, twelve hypothetical proteins were successfully identified by peptide mass fingerprinting (MALDI TOF-MS/MS). The proteins identified are involved in buffering redox status or in cytoprotection. We conclude that blockade of clathrin-mediated endocytosis protected against NP toxicity, suggesting this uptake pathway facilitates toxicity. Lysosomal degradation and autophagy are major mechanisms that might be induced to mitigate NP toxicity.
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Affiliation(s)
- Younes Bouallegui
- Research Unit of Immuno-Microbiology Environmental and Carcinogensis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - Ridha Ben Younes
- Research Unit of Immuno-Microbiology Environmental and Carcinogensis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - Ridha Oueslati
- Research Unit of Immuno-Microbiology Environmental and Carcinogensis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - David Sheehan
- Proteomic Research Group, School of Biochemistry and Cell Biology, University College Cork, Cork, Ireland
- Dept of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
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19
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Della Torre C, Maggioni D, Ghilardi A, Parolini M, Santo N, Landi C, Madaschi L, Magni S, Tasselli S, Ascagni M, Bini L, La Porta C, Del Giacco L, Binelli A. The interactions of fullerene C 60 and Benzo(α)pyrene influence their bioavailability and toxicity to zebrafish embryos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:999-1008. [PMID: 30029334 DOI: 10.1016/j.envpol.2018.06.042] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/13/2018] [Accepted: 06/13/2018] [Indexed: 06/08/2023]
Abstract
This study aimed to assess the toxicological consequences related to the interaction of fullerene nanoparticles (C60) and Benzo(α)pyrene (B(α)P) on zebrafish embryos, which were exposed to C60 and B(α)P alone and to C60 doped with B(α)P. The uptake of pollutants into their tissues and intra-cellular localization were investigated by immunofluorescence and electron microscopy. A set of biomarkers of genotoxicity and oxidative stress, as well as functional proteomics analysis were applied to assess the toxic effects due to C60 interaction with B(α)P. The carrier role of C60 for B(α)P was observed, however adsorption on C60 did not affect the accumulation and localization of B(α)P in the embryos. Instead, C60 doped with B(α)P resulted more prone to sedimentation and less bioavailable for the embryos compared to C60 alone. As for toxicity, our results suggested that C60 alone elicited oxidative stress in embryos and a down-regulation of proteins involved in energetic metabolism. The C60 + B(α)P induced cellular response mechanisms similar to B(α)P alone, but generating greater cellular damages in the exposed embryos.
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Affiliation(s)
| | | | - Anna Ghilardi
- Department of Biosciences, University of Milan, Italy
| | - Marco Parolini
- Department of Environmental Science and Policy, University of Milan, Italy
| | - Nadia Santo
- Department of Biosciences, University of Milan, Italy
| | - Claudia Landi
- Department of Life Science, University of Siena, Italy
| | | | - Stefano Magni
- Department of Biosciences, University of Milan, Italy
| | - Stefano Tasselli
- CNR-IRSA (National Research Council-Water Research Institute), Brugherio, Italy
| | | | - Luca Bini
- Department of Life Science, University of Siena, Italy
| | - Caterina La Porta
- Department of Environmental Science and Policy, University of Milan, Italy
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20
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Zhang T, Gaffrey MJ, Thrall BD, Qian WJ. Mass spectrometry-based proteomics for system-level characterization of biological responses to engineered nanomaterials. Anal Bioanal Chem 2018; 410:6067-6077. [PMID: 29947897 PMCID: PMC6119095 DOI: 10.1007/s00216-018-1168-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/17/2018] [Accepted: 05/28/2018] [Indexed: 12/21/2022]
Abstract
The widespread use of engineered nanomaterials or nanotechnology makes the characterization of biological responses to nanomaterials an important area of research. The application of omics approaches, such as mass spectrometry-based proteomics, has revealed new insights into the cellular responses of exposure to nanomaterials, including how nanomaterials interact and alter cellular pathways. In addition, exposure to engineered nanomaterials often leads to the generation of reactive oxygen species and cellular oxidative stress, which implicates a redox-dependent regulation of cellular responses under such conditions. In this review, we discuss quantitative proteomics-based approaches, with an emphasis on redox proteomics, as a tool for system-level characterization of the biological responses induced by engineered nanomaterials. Graphical abstract ᅟ.
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Affiliation(s)
- Tong Zhang
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Matthew J Gaffrey
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Brian D Thrall
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Wei-Jun Qian
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
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21
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Bouallegui Y, Ben Younes R, Oueslati R, Sheehan D. Role of endocytotic uptake routes in impacting the ROS-related toxicity of silver nanoparticles to Mytilus galloprovincialis: A redox proteomic investigation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 200:21-27. [PMID: 29705565 DOI: 10.1016/j.aquatox.2018.04.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 04/18/2018] [Accepted: 04/21/2018] [Indexed: 06/08/2023]
Abstract
Oxidative stress is often implicated in nanoparticle toxicity. Several studies have highlighted the role of internalization routes in determining nanotoxicity. Here, we investigate how two endocytotic mechanisms (clathrin- and caveolae-mediated) impact on redox balance in gill and digestive gland of the mussel, Mytilus galloprovincialis. Animals were exposed (for 3, 6 and 12 h) to two sizes of silver nanoparticles (AgNP: <50 nm and <100 nm) prior to and after blockade of two endocytic pathways (amantadine blocks clathrin-mediated endocytosis while nystatin blocks caveolae-mediated endocytosis). Redox-proteomic tools were used to determine effects. Our results demonstrate the ability of both sizes of AgNP (<50 and <100 nm) to cause protein thiol oxidation and/or protein carbonylation. However, blockade of endocytotic routes mitigated AgNP toxicity. Differential ROS-related toxicity of AgNP to mussel tissues seemed to be linked to tissue-specific mode of action requirements. Cell uptake mechanism strongly influences toxicity of AgNPs in this filter-feeder.
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Affiliation(s)
- Younes Bouallegui
- Research Unit of Immuno-Microbiology Environmental and Carcinogenesis, Sciences Faculty of Bizerte, University of Carthage, Tunisia.
| | - Ridha Ben Younes
- Research Unit of Immuno-Microbiology Environmental and Carcinogenesis, Sciences Faculty of Bizerte, University of Carthage, Tunisia
| | - Ridha Oueslati
- Research Unit of Immuno-Microbiology Environmental and Carcinogenesis, Sciences Faculty of Bizerte, University of Carthage, Tunisia
| | - David Sheehan
- Proteomic Research Group, School of Biochemistry and Cell Biology, University College Cork, Ireland; Dept of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
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22
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Xiao Y, Peijnenburg WJGM, Chen G, Vijver MG. Impact of water chemistry on the particle-specific toxicity of copper nanoparticles to Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 610-611:1329-1335. [PMID: 28851153 DOI: 10.1016/j.scitotenv.2017.08.188] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/17/2017] [Accepted: 08/17/2017] [Indexed: 06/07/2023]
Abstract
Toxicity of metallic nanoparticle suspensions (NP(total)) is generally assumed to result from the combined effect of the particles present in suspensions (NP(particle)) and their released ions (NP(ion)). Evaluation and consideration of how water chemistry affects the particle-specific toxicity of NP(total) are critical for environmental risk assessment of nanoparticles. In this study, it was found that the toxicity of Cu NP(particle) to Daphnia magna, in line with the trends in toxicity for Cu NP(ion), decreased with increasing pH and with increasing concentrations of divalent cations and dissolved organic carbon (DOC). Without the addition of DOC, the toxicity of Cu NP(total) to D. magna at the LC50 was driven mainly by Cu NP(ion) (accounting for ≥53% of the observed toxicity). However, toxicity of Cu NP(total) in the presence of DOC at a concentration ranging from 5 to 50mg C/L largely resulted from the NP(particle) (57%-85%), which could be attributable to the large reduction of the concentration of Cu NP(ion) and the enhancement of the stability of Cu NP(particle) when DOC was added. Our results indicate that water chemistry needs to be explicitly taken into consideration when evaluating the role of NP(particle) and NP(ion) in the observed toxicity of NP(total).
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Affiliation(s)
- Yinlong Xiao
- Institute of Environmental Sciences (CML), Leiden University, P. O. Box 9518, 2300 RA Leiden, The Netherlands; College of Environmental Sciences, Sichuan Agricultural University, Wenjiang 611130, PR China.
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, P. O. Box 9518, 2300 RA Leiden, The Netherlands; National Institute of Public Health and the Environment, Center for the Safety of Substances and Products, P. O. Box 1, 3720 BA Bilthoven, The Netherlands
| | - Guangchao Chen
- Institute of Environmental Sciences (CML), Leiden University, P. O. Box 9518, 2300 RA Leiden, The Netherlands
| | - Martina G Vijver
- Institute of Environmental Sciences (CML), Leiden University, P. O. Box 9518, 2300 RA Leiden, The Netherlands
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Bouallegui Y, Ben Younes R, Bellamine H, Oueslati R. Histopathological indices and inflammatory response in the digestive gland of the mussel Mytilus galloprovincialis as biomarker of immunotoxicity to silver nanoparticles. Biomarkers 2017; 23:1-11. [PMID: 29166788 DOI: 10.1080/1354750x.2017.1409803] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Histopathological assessments approaches in bivalves have become an important tool in environmental toxicology. This study seeks to develop a quantitative histopathological index (Ih) and inflammation score as biomarkers in the aim to assess the health status of nanoparticles exposed mussels. METHODS Digestive gland hematoxylin and eosin (H&E) stained sections from Mytilus galloprovincialis were assessed after in vivo exposure (for 3, 6 and 12 h) to silver nanoparticles (Ag-NPs < 50 nm and Ag-NPs < 100 nm) prior and after manipulating the potential uptake pathways (clathrin- and caveolae-mediated endocytosis) using amantadine and nystatin as blockers. Quantitative models evaluate the impacts of nanoparticles size, as well as their uptake routes within different time of exposure on the inflammation intensity, the digestive tubules histomorphometry and the histopathological indices. RESULTS Silver nanoparticles clearly induced histopathological alterations in digestive gland (maximum inflammation 2.75 with AgNP < 100 nm [p < 0.05]; significant Ih with AgNP < 50 nm and AgNP < 100 nm at different time-points [p < 0.05]). Significant Ih were recorded after uptake routes were blockade: AgNP < 50 nm + nystatin and AgNP < 100 nm + amantadine; [p < 0.05] all time-points. CONCLUSIONS Histopathological assessments showed to be promising tool in nanotoxicity which seems to depend on nanoparticles size, exposure time and interestingly to uptake routes. It was not clear: is it the length of exposure or the size of particles is more impactful.
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Affiliation(s)
- Younes Bouallegui
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Tunisia
| | - Ridha Ben Younes
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Tunisia
| | - Houda Bellamine
- b Pathological Anatomy Department , Regional Hospital of Menzel Bourguiba , Bizerte , Tunisia
| | - Ridha Oueslati
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Tunisia
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Revel M, Châtel A, Mouneyrac C. Omics tools: New challenges in aquatic nanotoxicology? AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 193:72-85. [PMID: 29049925 DOI: 10.1016/j.aquatox.2017.10.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 10/05/2017] [Accepted: 10/10/2017] [Indexed: 05/04/2023]
Abstract
In recent years, the implication of genomics into ecotoxicological studies has been studied closely to allow a better understanding of organism's responses to environmental contaminants including engineering nanomaterials (ENMs). ENMs are increasingly produced for various applications including cosmetics, electronics, sports equipment, biomedicine and agriculture. Because of their small size, ENMs possess chemical or physical characteristics improved compared to the corresponding macro-sized material. As their application expend, the release of manufactured ENMs into the environment is likely to increase and concern over impacts for the aquatic ecosystem is growing. Several studies reported deleterious effect of ENMs to aquatic organisms, but there is little information about the molecular mechanisms of toxicity. The development of ecotoxicogenomic approaches will improve the characterization of cellular and molecular modes of action of ENMs to aquatic organisms and allow a better prediction of contaminants toxicity. This paper presents an overview of transciptomic/proteomic studies in freshwater and marine organisms exposed to ENMs. Overall, induction of gene expression in relations to defense mechanisms, immune responses, growth and reproduction were measured after ENMs exposures of organisms, but with different patterns depending on exposure duration and concentrations used. In addition, some studies reported a positive correlation between gene expression and cellular modifications, but not at the individual level.
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Affiliation(s)
- Messika Revel
- Laboratoire Mer, Molécules, Santé (MMS, EA 2160), Université Catholique de l'Ouest, Angers F-49000, France.
| | - Amélie Châtel
- Laboratoire Mer, Molécules, Santé (MMS, EA 2160), Université Catholique de l'Ouest, Angers F-49000, France.
| | - Catherine Mouneyrac
- Laboratoire Mer, Molécules, Santé (MMS, EA 2160), Université Catholique de l'Ouest, Angers F-49000, France.
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25
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Croce R, Cinà F, Lombardo A, Crispeyn G, Cappelli CI, Vian M, Maiorana S, Benfenati E, Baderna D. Aquatic toxicity of several textile dye formulations: Acute and chronic assays with Daphnia magna and Raphidocelis subcapitata. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 144:79-87. [PMID: 28601520 DOI: 10.1016/j.ecoenv.2017.05.046] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 05/22/2017] [Accepted: 05/24/2017] [Indexed: 06/07/2023]
Abstract
Dyes are widely used in various sectors and can be released into the environment where they persist for a long time because of their high stability to light or temperature and their resistance to environmental degradation. Dyes are often poorly characterized and toxicological/ecotoxicological data are available only for a few. These features, coupled with their toxicity, make dyes a possible source of ecological concern, particularly for freshwater aquatic ecosystems. Therefore, new data may be very useful for their risk assessment. In the present study, we investigated the aquatic toxicity of 42 commercial dye formulations using the application of in silico tools and ecological bioassays. The in silico approach was used to assess the similarities among the dyes, highlighting that dyes from the same chemical class are generally similar. No correlation was found among dyes with the same color. Acute and long-term ecotoxicological assays with daphnids and algae were applied to evaluate the potential impact of these products, according to the OECD guidelines 201 and 202. The bioassays were able to identify structures with potential ecotoxicity: only 9 formulations showed toxicity lower than 100mg/L for daphnids while 30 dyes were toxic for algae. In our experimental conditions, algae were more sensitive to dye toxicity, particularly when the effects on cell number were considered.
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Affiliation(s)
- Roberta Croce
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Filippo Cinà
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Anna Lombardo
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Gregory Crispeyn
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Claudia Ileana Cappelli
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Matteo Vian
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Simone Maiorana
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Emilio Benfenati
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Diego Baderna
- Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy.
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Bouallegui Y, Ben Younes R, Turki F, Oueslati R. Impact of exposure time, particle size and uptake pathway on silver nanoparticle effects on circulating immune cells in mytilus galloprovincialis. J Immunotoxicol 2017; 14:116-124. [DOI: 10.1080/1547691x.2017.1335810] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Younes Bouallegui
- Research Unit for Immuno-Microbiology Environmental and Cancerogenesis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - Ridha Ben Younes
- Research Unit for Immuno-Microbiology Environmental and Cancerogenesis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - Faten Turki
- Research Unit for Immuno-Microbiology Environmental and Cancerogenesis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
| | - Ridha Oueslati
- Research Unit for Immuno-Microbiology Environmental and Cancerogenesis, Sciences Faculty of Bizerte, University of Carthage, Bizerte, Tunisia
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27
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Bouallegui Y, Ben Younes R, Turki F, Mezni A, Oueslati R. Effect of exposure time, particle size and uptake pathways in immune cell lysosomal cytotoxicity of mussels exposed to silver nanoparticles. Drug Chem Toxicol 2017; 41:169-174. [PMID: 28583008 DOI: 10.1080/01480545.2017.1329317] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Cytotoxicity evaluation of hemocytes (lysosomal membrane stability [LMS] assay) from Mytilus galloprovincialis Lamarck, exposed to a sublethal dose (100 μg/L) of two size of silver nanoparticles (AgNPs: <50 nm and <100 nm) - prior to and after inhibition of potential uptake pathways (i.e., clathrin- and caveolae-mediated endocytosis) within different times of exposure (3, 6, 12 h) - showed that there was a significant cytotoxic effect on immune cells of mussels exposed for different times to either AgNP size (p < 0.01); the greater effect was with the smaller size. However, hemocytes seemed more sensitive to the larger AgNP after clathrin-mediated endocytosis was blocked (p < 0.01); this was not so with inhibition of caveolae-mediated endocytosis. Dimethyl-sulfoxide (DMSO) did not impart a carrier-mediated effect despite an enhanced cytotoxicity when DMSO was present with AgNP. From these results, it is concluded that the immunotoxicity of AgNP in mussels was size-dependent as well as length of exposure-dependent. It was also clear that nanoparticles (NP) internalization mechanisms were a major factor underlying any toxicity.
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Affiliation(s)
- Younes Bouallegui
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Bizerte , Tunisia
| | - Ridha Ben Younes
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Bizerte , Tunisia
| | - Faten Turki
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Bizerte , Tunisia
| | - Amine Mezni
- b Department of Chemistry, Faculty of Science , Taif University , Taif , Saudi Arabia.,c Research Unit "Synthesis and Structure of Nanomaterials" UR11ES30, Sciences Faculty of Bizerte , University of Carthage , Bizerte , Tunisia
| | - Ridha Oueslati
- a Research Unit of Immuno-Microbiology Environmental and Cancerogensis, Sciences Faculty of Bizerte , University of Carthage , Bizerte , Tunisia
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Toxicity of Camellia sinensis-Fabricated Silver Nanoparticles on Invertebrate and Vertebrate Organisms: Morphological Abnormalities and DNA Damages. J CLUST SCI 2017. [DOI: 10.1007/s10876-017-1201-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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29
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Riebeling C, Jungnickel H, Luch A, Haase A. Systems Biology to Support Nanomaterial Grouping. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 947:143-171. [PMID: 28168668 DOI: 10.1007/978-3-319-47754-1_6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The assessment of potential health risks of engineered nanomaterials (ENMs) is a challenging task due to the high number and great variety of already existing and newly emerging ENMs. Reliable grouping or categorization of ENMs with respect to hazards could help to facilitate prioritization and decision making for regulatory purposes. The development of grouping criteria, however, requires a broad and comprehensive data basis. A promising platform addressing this challenge is the systems biology approach. The different areas of systems biology, most prominently transcriptomics, proteomics and metabolomics, each of which provide a wealth of data that can be used to reveal novel biomarkers and biological pathways involved in the mode-of-action of ENMs. Combining such data with classical toxicological data would enable a more comprehensive understanding and hence might lead to more powerful and reliable prediction models. Physico-chemical data provide crucial information on the ENMs and need to be integrated, too. Overall statistical analysis should reveal robust grouping and categorization criteria and may ultimately help to identify meaningful biomarkers and biological pathways that sufficiently characterize the corresponding ENM subgroups. This chapter aims to give an overview on the different systems biology technologies and their current applications in the field of nanotoxicology, as well as to identify the existing challenges.
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Affiliation(s)
- Christian Riebeling
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Berlin, Germany
| | - Harald Jungnickel
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Berlin, Germany
| | - Andreas Luch
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Berlin, Germany
| | - Andrea Haase
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Berlin, Germany.
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30
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Friehs E, AlSalka Y, Jonczyk R, Lavrentieva A, Jochums A, Walter JG, Stahl F, Scheper T, Bahnemann D. Toxicity, phototoxicity and biocidal activity of nanoparticles employed in photocatalysis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2016. [DOI: 10.1016/j.jphotochemrev.2016.09.001] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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31
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Zhang L, He Y, Goswami N, Xie J, Zhang B, Tao X. Uptake and effect of highly fluorescent silver nanoclusters on Scenedesmus obliquus. CHEMOSPHERE 2016; 153:322-331. [PMID: 27023120 DOI: 10.1016/j.chemosphere.2016.03.076] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 03/02/2016] [Accepted: 03/16/2016] [Indexed: 06/05/2023]
Abstract
The release of silver nanoparticles (Ag NPs) in aquatic environment has caused wide public concern about their effects on living organisms (e.g., algae). However, how these small NPs exert cytotoxicity in the living organisms has always been under heated debate. In this study, the uptake and toxicity effects of strongly red-emitting fluorescent silver nanoclusters (r-Ag NCs) exposed to the green algae Scenedesmus obliquus was investigated. Upon exposure to pure r-Ag NCs and r-Ag NCs containing l-cysteine, the algae growth inhibition test showed that Ag(+) ions released from r-Ag NCs played an important role in the toxicity of r-Ag NCs along with the toxicity of intact r-Ag NCs. Furthermore, no signals of intracellular reactive oxygen species (ROS) were observed indicating that r-Ag NCs or released Ag(+) ions - mediated growth inhibition of algae cells was independent of ROS production. Transmission electron microscopy (TEM) and laser scanning confocal microscopy (LSCM) were employed to study cellular uptake and cytotoxicity. Furthermore, analysis of differential expressed gene demonstrated that r-Ag NCs as well as the released Ag(+) ions can simultaneously exist inside the algae cells, and inhibit the transcriptomic process of genes by their "joint-toxicity" mechanism. Taken together, our study provides a new insight into the molecular mechanisms of r-Ag NCs and Ag(+) ions exposure to the aquatic organism and can be applied to early diagnosis of ecologic risk mediated by others metal-based NPs.
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Affiliation(s)
- Li Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China.
| | - Nirmal Goswami
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, #03-18, 117585, Singapore
| | - Jianping Xie
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, #03-18, 117585, Singapore
| | - Bo Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang District, Shanghai, 200240, China
| | - Xianji Tao
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
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32
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Nguyen KC, Richards L, Massarsky A, Moon TW, Tayabali AF. Toxicological evaluation of representative silver nanoparticles in macrophages and epithelial cells. Toxicol In Vitro 2016; 33:163-73. [DOI: 10.1016/j.tiv.2016.03.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 03/08/2016] [Accepted: 03/10/2016] [Indexed: 11/16/2022]
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33
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Proteomic approach to nanotoxicity. J Proteomics 2016; 137:35-44. [DOI: 10.1016/j.jprot.2015.10.025] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2015] [Revised: 10/12/2015] [Accepted: 10/22/2015] [Indexed: 12/19/2022]
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34
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Kwon OK, Sim J, Kim SJ, Oh HR, Nam DH, Lee S. Global proteomic analysis of protein acetylation affecting metabolic regulation in Daphnia pulex. Biochimie 2016; 121:219-27. [DOI: 10.1016/j.biochi.2015.12.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 12/02/2015] [Indexed: 10/22/2022]
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Vale G, Mehennaoui K, Cambier S, Libralato G, Jomini S, Domingos RF. Manufactured nanoparticles in the aquatic environment-biochemical responses on freshwater organisms: A critical overview. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 170:162-174. [PMID: 26655660 DOI: 10.1016/j.aquatox.2015.11.019] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 11/16/2015] [Accepted: 11/19/2015] [Indexed: 05/02/2023]
Abstract
The enormous investments in nanotechnology have led to an exponential increase of new manufactured nano-enabled materials whose impact in the aquatic systems is still largely unknown. Ecotoxicity and nanosafety studies mostly resulted in contradictory results and generally failed to clearly identify biological patterns that could be related specifically to nanotoxicity. Generation of reactive oxygen species (ROS) is one of the most discussed nanotoxicity mechanism in literature. ROS can induce oxidative stress (OS), resulting in cyto- and genotoxicity. The ROS overproduction can trigger the induction of anti-oxidant enzymes such as catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidases (GPx), which are used as biomarkers of response. A critical overview of the biochemical responses induced by the presence of NPs on freshwater organisms is performed with a strong interest on indicators of ROS and general stress. A special focus will be given to the NPs transformations, including aggregation, and dissolution, in the exposure media and the produced biochemical endpoints.
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Affiliation(s)
- Gonçalo Vale
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Torre Sul Av. Rovisco Pais, 1049-001 Lisboa, Portugal; Department of Molecular Genetics, University of Texas Southwestern Medical Center, Harry Dallas, TX 75390, USA.
| | - Kahina Mehennaoui
- Luxembourg Institute of Science and Technology, Environmental Research and Innovation (ERIN) Department, Belvaux, Luxembourg.
| | - Sebastien Cambier
- Luxembourg Institute of Science and Technology, Environmental Research and Innovation (ERIN) Department, Belvaux, Luxembourg.
| | - Giovanni Libralato
- Department of Environmental Sciences, Informatics and Statistics, University Ca' Foscari Venice, Via Torino 155, 30172, Mestre, Venice, Italy.
| | - Stéphane Jomini
- Laboratoire Interdisciplinaire des Environements Continentaux (LIEC), Université de Lorraine, UMR 7360, Campus Bridoux rue du Général Delestraint, 57070 Metz, France.
| | - Rute F Domingos
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Torre Sul Av. Rovisco Pais, 1049-001 Lisboa, Portugal; Institut de Physique du Globe de Paris, Sorbonne Paris Cité, UMR CNRS 7154, Université Paris Diderot, 75205 Paris Cedex 05, France.
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Affiliation(s)
- Ian L. Gunsolus
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
| | - Christy L. Haynes
- Department of Chemistry, University of Minnesota, 207 Pleasant
Street SE, Minneapolis, Minnesota 55455, United States
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Driessen MD, Mues S, Vennemann A, Hellack B, Bannuscher A, Vimalakanthan V, Riebeling C, Ossig R, Wiemann M, Schnekenburger J, Kuhlbusch TAJ, Renard B, Luch A, Haase A. Proteomic analysis of protein carbonylation: a useful tool to unravel nanoparticle toxicity mechanisms. Part Fibre Toxicol 2015; 12:36. [PMID: 26525058 PMCID: PMC4630844 DOI: 10.1186/s12989-015-0108-2] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 10/07/2015] [Indexed: 02/07/2023] Open
Abstract
Background Oxidative stress, a commonly used paradigm to explain nanoparticle (NP)-induced toxicity, results from an imbalance between reactive oxygen species (ROS) generation and detoxification. As one consequence, protein carbonyl levels may become enhanced. Thus, the qualitative and quantitative description of protein carbonylation may be used to characterize how biological systems respond to oxidative stress induced by NPs. Methods We investigated a representative panel of 24 NPs including functionalized amorphous silica (6), zirconium dioxide (4), silver (4), titanium dioxide (3), zinc oxide (2), multiwalled carbon nanotubes (3), barium sulfate and boehmite. Surface reactivities of all NPs were studied in a cell-free system by electron spin resonance (ESR). NRK-52E cells were treated with all NPs, analyzed for viability (WST-1 assay) and intracellular ROS production (DCFDA assay). Carbonylated proteins were assessed by 1D and/or 2D immunoblotting and identified by matrix assisted laser desorption time-of-flight mass spectrometry (MALDI-TOF/TOF). In parallel, tissue homogenates from rat lungs intratracheally instilled with silver NPs were studied. Results Eleven NPs induced elevated levels of carbonylated proteins. This was in good agreement with the surface reactivity of the NPs as obtained by ESR and the reduction in cell viability as assessed by WST-1 assay. By contrast, results obtained by DCFDA assay were deviating. Each NP induced an individual pattern of protein carbonyls on 2D immunoblots. Affected proteins comprised cytoskeletal components, proteins being involved in stress response, or cytoplasmic enzymes of central metabolic pathways such as glycolysis and gluconeogenesis. Furthermore, induction of carbonyls upon silver NP treatment was also verified in rat lung tissue homogenates. Conclusions Analysis of protein carbonylation is a versatile and sensitive method to describe NP-induced oxidative stress and, therefore, can be used to identify NPs of concern. Furthermore, detailed information about compromised proteins may aid in classifying NPs according to their mode of action. Electronic supplementary material The online version of this article (doi:10.1186/s12989-015-0108-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marc D Driessen
- Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
| | - Sarah Mues
- Biomedical Technology Center, Westfälische Wilhelms-University, Münster, Germany.
| | | | - Bryan Hellack
- Institute of Energy and Environmental Technology (IUTA) e.V., Air Quality & Sustainable Nanotechnology, Duisburg, Germany.
| | - Anne Bannuscher
- Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
| | - Vishalini Vimalakanthan
- Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany. .,Robert-Koch-Institut (RKI), Junior Research Group Bioinformatics, Berlin, Germany.
| | - Christian Riebeling
- Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
| | - Rainer Ossig
- Biomedical Technology Center, Westfälische Wilhelms-University, Münster, Germany.
| | - Martin Wiemann
- IBE R&D gGmbH, Institute for Lung Health, Münster, Germany.
| | | | - Thomas A J Kuhlbusch
- Institute of Energy and Environmental Technology (IUTA) e.V., Air Quality & Sustainable Nanotechnology, Duisburg, Germany. .,Center for Nanointegration CENIDE, University of Duisburg-Essen, Duisburg, Germany.
| | - Bernhard Renard
- Robert-Koch-Institut (RKI), Junior Research Group Bioinformatics, Berlin, Germany.
| | - Andreas Luch
- Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
| | - Andrea Haase
- Department of Chemicals and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
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Trotter B, Otte KA, Schoppmann K, Hemmersbach R, Fröhlich T, Arnold GJ, Laforsch C. The influence of simulated microgravity on the proteome of Daphnia magna. NPJ Microgravity 2015; 1:15016. [PMID: 28725717 PMCID: PMC5515502 DOI: 10.1038/npjmgrav.2015.16] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 08/02/2015] [Accepted: 08/11/2015] [Indexed: 01/04/2023] Open
Abstract
Background: The waterflea Daphnia is an interesting candidate for bioregenerative life support systems (BLSS). These animals are particularly promising because of their central role in the limnic food web and its mode of reproduction. However, the response of Daphnia to altered gravity conditions has to be investigated, especially on the molecular level, to evaluate the suitability of Daphnia for BLSS in space. Methods: In this study, we applied a proteomic approach to identify key proteins and pathways involved in the response of Daphnia to simulated microgravity generated by a two-dimensional (2D) clinostat. We analyzed five biological replicates using 2D-difference gel electrophoresis proteomic analysis. Results: We identified 109 protein spots differing in intensity (P<0.05). Substantial fractions of these proteins are involved in actin microfilament organization, indicating the disruption of cytoskeletal structures during clinorotation. Furthermore, proteins involved in protein folding were identified, suggesting altered gravity induced breakdown of protein structures in general. In addition, simulated microgravity increased the abundance of energy metabolism-related proteins, indicating an enhanced energy demand of Daphnia. Conclusions: The affected biological processes were also described in other studies using different organisms and systems either aiming to simulate microgravity conditions or providing real microgravity conditions. Moreover, most of the Daphnia protein sequences are well-conserved throughout taxa, indicating that the response to altered gravity conditions in Daphnia follows a general concept. Data are available via ProteomeXchange with identifier PXD002096.
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Affiliation(s)
- Benjamin Trotter
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig-Maximilians-University Munich, Munich, Germany.,Animal Ecology I and BayCEER, Bayreuth University, Bayreuth, Germany
| | - Kathrin A Otte
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig-Maximilians-University Munich, Munich, Germany.,Animal Ecology I and BayCEER, Bayreuth University, Bayreuth, Germany
| | | | - Ruth Hemmersbach
- Biomedical Research, Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
| | - Thomas Fröhlich
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Georg J Arnold
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, Ludwig-Maximilians-University Munich, Munich, Germany
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Wang L, Zhang T, Li P, Huang W, Tang J, Wang P, Liu J, Yuan Q, Bai R, Li B, Zhang K, Zhao Y, Chen C. Use of Synchrotron Radiation-Analytical Techniques To Reveal Chemical Origin of Silver-Nanoparticle Cytotoxicity. ACS NANO 2015; 9:6532-47. [PMID: 25994391 DOI: 10.1021/acsnano.5b02483] [Citation(s) in RCA: 168] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
To predict potential medical value or toxicity of nanoparticles (NPs), it is necessary to understand the chemical transformation during intracellular processes of NPs. However, it is a grand challenge to capture a high-resolution image of metallic NPs in a single cell and the chemical information on intracellular NPs. Here, by integrating synchrotron radiation-beam transmission X-ray microscopy (SR-TXM) and SR-X-ray absorption near edge structure (SR-XANES) spectroscopy, we successfully capture the 3D distribution of silver NPs (AgNPs) inside a single human monocyte (THP-1), associated with the chemical transformation of silver. The results reveal that the cytotoxicity of AgNPs is largely due to the chemical transformation of particulate silver from elemental silver (Ag(0))n, to Ag(+) ions and Ag-O-, then Ag-S- species. These results provide direct evidence in the long-lasting debate on whether the nanoscale or the ionic form dominates the cytotoxicity of silver nanoparticles. Further, the present approach provides an integrated strategy capable of exploring the chemical origins of cytotoxicity in metallic nanoparticles.
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Affiliation(s)
- Liming Wang
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Tianlu Zhang
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Panyun Li
- ‡Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Wanxia Huang
- ‡Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Jinglong Tang
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Pengyang Wang
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Jing Liu
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Qingxi Yuan
- ‡Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Ru Bai
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Bai Li
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Kai Zhang
- ‡Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Yuliang Zhao
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Chunying Chen
- †CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
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Kim HJ, Koedrith P, Seo YR. Ecotoxicogenomic approaches for understanding molecular mechanisms of environmental chemical toxicity using aquatic invertebrate, Daphnia model organism. Int J Mol Sci 2015; 16:12261-87. [PMID: 26035755 PMCID: PMC4490443 DOI: 10.3390/ijms160612261] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 05/14/2015] [Accepted: 05/15/2015] [Indexed: 01/02/2023] Open
Abstract
Due to the rapid advent in genomics technologies and attention to ecological risk assessment, the term “ecotoxicogenomics” has recently emerged to describe integration of omics studies (i.e., transcriptomics, proteomics, metabolomics, and epigenomics) into ecotoxicological fields. Ecotoxicogenomics is defined as study of an entire set of genes or proteins expression in ecological organisms to provide insight on environmental toxicity, offering benefit in ecological risk assessment. Indeed, Daphnia is a model species to study aquatic environmental toxicity designated in the Organization for Economic Co-operation and Development’s toxicity test guideline and to investigate expression patterns using ecotoxicology-oriented genomics tools. Our main purpose is to demonstrate the potential utility of gene expression profiling in ecotoxicology by identifying novel biomarkers and relevant modes of toxicity in Daphnia magna. These approaches enable us to address adverse phenotypic outcomes linked to particular gene function(s) and mechanistic understanding of aquatic ecotoxicology as well as exploration of useful biomarkers. Furthermore, key challenges that currently face aquatic ecotoxicology (e.g., predicting toxicant responses among a broad spectrum of phytogenetic groups, predicting impact of temporal exposure on toxicant responses) necessitate the parallel use of other model organisms, both aquatic and terrestrial. By investigating gene expression profiling in an environmentally important organism, this provides viable support for the utility of ecotoxicogenomics.
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Affiliation(s)
- Hyo Jeong Kim
- Institute of Environmental Medicine for Green Chemistry, Dongguk University Biomedi Campus 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 410-820, Korea.
- Department of Life Science, Dongguk University Biomedi Campus 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 410-820, Korea.
| | - Preeyaporn Koedrith
- Institute of Environmental Medicine for Green Chemistry, Dongguk University Biomedi Campus 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 410-820, Korea.
- Faculty of Environment and Resource Studies, Mahidol University, 999 Phuttamonthon 4 Rd., Phuttamonthon District, Nakhon Pathom 73170, Thailand.
| | - Young Rok Seo
- Institute of Environmental Medicine for Green Chemistry, Dongguk University Biomedi Campus 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 410-820, Korea.
- Department of Life Science, Dongguk University Biomedi Campus 32, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 410-820, Korea.
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Lewis P, Sheehan D, Soares R, Varela Coelho A, O'Halloran KD. Chronic sustained hypoxia-induced redox remodeling causes contractile dysfunction in mouse sternohyoid muscle. Front Physiol 2015; 6:122. [PMID: 25941492 PMCID: PMC4403307 DOI: 10.3389/fphys.2015.00122] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 04/02/2015] [Indexed: 12/21/2022] Open
Abstract
Chronic sustained hypoxia (CH) induces structural and functional adaptations in respiratory muscles of animal models, however the underlying molecular mechanisms are unclear. This study explores the putative role of CH-induced redox remodeling in a translational mouse model, with a focus on the sternohyoid—a representative upper airway dilator muscle involved in the control of pharyngeal airway caliber. We hypothesized that exposure to CH induces redox disturbance in mouse sternohyoid muscle in a time-dependent manner affecting metabolic capacity and contractile performance. C57Bl6/J mice were exposed to normoxia or normobaric CH (FiO2 = 0.1) for 1, 3, or 6 weeks. A second cohort of animals was exposed to CH for 6 weeks with and without antioxidant supplementation (tempol or N-acetyl cysteine in the drinking water). Following CH exposure, we performed 2D redox proteomics with mass spectrometry, metabolic enzyme activity assays, and cell-signaling assays. Additionally, we assessed isotonic contractile and endurance properties ex vivo. Temporal changes in protein oxidation and glycolytic enzyme activities were observed. Redox modulation of sternohyoid muscle proteins key to contraction, metabolism and cellular homeostasis was identified. There was no change in redox-sensitive proteasome activity or HIF-1α content, but CH decreased phospho-JNK content independent of antioxidant supplementation. CH was detrimental to sternohyoid force- and power-generating capacity and this was prevented by chronic antioxidant supplementation. We conclude that CH causes upper airway dilator muscle dysfunction due to redox modulation of proteins key to function and homeostasis. Such changes could serve to further disrupt respiratory homeostasis in diseases characterized by CH such as chronic obstructive pulmonary disease. Antioxidants may have potential use as an adjunctive therapy in hypoxic respiratory disease.
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Affiliation(s)
- Philip Lewis
- Department of Physiology, School of Medicine, University College Cork Cork, Ireland
| | - David Sheehan
- School of Biochemistry and Cell Biology, University College Cork Cork, Ireland
| | - Renata Soares
- Instituto de Tecnologia Química e Biológica António Xavier, New University of Lisbon Lisbon, Portugal
| | - Ana Varela Coelho
- Instituto de Tecnologia Química e Biológica António Xavier, New University of Lisbon Lisbon, Portugal
| | - Ken D O'Halloran
- Department of Physiology, School of Medicine, University College Cork Cork, Ireland
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Abdelhamid HN, Wu HF. Proteomics analysis of the mode of antibacterial action of nanoparticles and their interactions with proteins. Trends Analyt Chem 2015. [DOI: 10.1016/j.trac.2014.09.010] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Rainville LC, Coelho AV, Sheehan D. Application of a redox-proteomics toolbox to Daphnia magna challenged with model pro-oxidants copper and paraquat. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2015; 34:84-91. [PMID: 25263122 DOI: 10.1002/etc.2761] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 05/19/2014] [Accepted: 09/18/2014] [Indexed: 06/03/2023]
Abstract
The redox status of cells is involved in the regulation of several cellular stress-response pathways. It is frequently altered by xenobiotics, as well as by environmental stressors. As such, there is an increasing interest in understanding the redox status of proteins in different scenarios. Recent advances in proteomics enable researchers to measure oxidative lesions in a wide range of proteins. This opens the door to the sensitive detection of toxicity targets and helps decipher the molecular impact of pollutants and environmental stressors. The present study applies the measurement of protein carbonyls, the most common oxidative lesion of proteins, to gel-based proteomics in Daphnia magna. Daphnids were exposed to copper and paraquat, 2 well-known pro-oxidants. Catalase activity was decreased by paraquat, whereas global measurement of protein carbonyls and thiols indicated no change with treatment. Despite the absence of observed oxidative stress, 2-dimensional electrophoresis of the daphnid proteins and measurement of their carbonylation status revealed that 32 features were significantly affected by the treatments, showing higher sensitivity than single measurements. Identified proteins affected by copper indicated a decrease in the heat-shock response, whereas paraquat affected glycolysis. The present study demonstrates the applicability of redox-proteomics in daphnids, and indicates that the heat-shock response plays a counterintuitive role in metal resistance in daphnids.
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Affiliation(s)
- Louis-Charles Rainville
- Proteomics Research Group, School of Biochemistry and Cell Biology, University College Cork, Cork, Ireland
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