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García-Sánchez S, Gala M, Žoldák G. Nanoimpact in Plants: Lessons from the Transcriptome. PLANTS 2021; 10:plants10040751. [PMID: 33921390 PMCID: PMC8068866 DOI: 10.3390/plants10040751] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 03/30/2021] [Accepted: 04/08/2021] [Indexed: 12/12/2022]
Abstract
Transcriptomics studies are available to evaluate the potential toxicity of nanomaterials in plants, and many highlight their effect on stress-responsive genes. However, a comparative analysis of overall expression changes suggests a low impact on the transcriptome. Environmental challenges like pathogens, saline, or drought stress induce stronger transcriptional responses than nanoparticles. Clearly, plants did not have the chance to evolve specific gene regulation in response to novel nanomaterials; but they use common regulatory circuits with other stress responses. A shared effect with abiotic stress is the inhibition of genes for root development and pathogen response. Other works are reviewed here, which also converge on these results.
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Affiliation(s)
- Susana García-Sánchez
- Center for Interdisciplinary Biosciences, Technology, and Innovation Park P.J. Šafárik University, Trieda SNP 1, 040 11 Košice, Slovakia
- Correspondence: (S.G.-S.); (G.Ž.)
| | - Michal Gala
- Department of Biophysics, Faculty of Science, P. J. Šafárik University, Jesenna 5, 040 01 Košice, Slovakia;
| | - Gabriel Žoldák
- Center for Interdisciplinary Biosciences, Technology, and Innovation Park P.J. Šafárik University, Trieda SNP 1, 040 11 Košice, Slovakia
- Correspondence: (S.G.-S.); (G.Ž.)
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2
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Khan AO, Di Maio A, Guggenheim EJ, Chetwynd AJ, Pencross D, Tang S, Belinga-Desaunay MFA, Thomas SG, Rappoport JZ, Lynch I. Surface Chemistry-Dependent Evolution of the Nanomaterial Corona on TiO 2 Nanomaterials Following Uptake and Sub-Cellular Localization. NANOMATERIALS 2020; 10:nano10030401. [PMID: 32106393 PMCID: PMC7152854 DOI: 10.3390/nano10030401] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 12/14/2022]
Abstract
Nanomaterial (NM) surface chemistry has an established and significant effect on interactions at the nano-bio interface, with important toxicological consequences for manufactured NMs, as well as potent effects on the pharmacokinetics and efficacy of nano-therapies. In this work, the effects of different surface modifications (PVP, Dispex AA4040, and Pluronic F127) on the uptake, cellular distribution, and degradation of titanium dioxide NMs (TiO2 NMs, ~10 nm core size) are assessed and correlated with the localization of fluorescently-labeled serum proteins forming their coronas. Imaging approaches with an increasing spatial resolution, including automated high throughput live cell imaging, correlative confocal fluorescence and reflectance microscopy, and dSTORM super-resolution microscopy, are used to explore the cellular fate of these NMs and their associated serum proteins. Uncoated TiO2 NMs demonstrate a rapid loss of corona proteins, while surface coating results in the retention of the corona signal after internalization for at least 24 h (varying with coating composition). Imaging with two-color super-resolution dSTORM revealed that the apparent TiO2 NM single agglomerates observed in diffraction-limited confocal microscopy are actually adjacent smaller agglomerates, and provides novel insights into the spatial arrangement of the initial and exchanged coronas adsorbed at the NM surfaces.
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Affiliation(s)
- Abdullah O. Khan
- Institute of Cardiovascular Science, College of Medical Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (A.O.K.); (D.P.); (S.G.T.)
| | - Alessandro Di Maio
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK;
| | - Emily J. Guggenheim
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (E.J.G.); (A.J.C.); (M.-F.A.B.-D.)
| | - Andrew J. Chetwynd
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (E.J.G.); (A.J.C.); (M.-F.A.B.-D.)
| | - Dan Pencross
- Institute of Cardiovascular Science, College of Medical Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (A.O.K.); (D.P.); (S.G.T.)
| | - Selina Tang
- Promethean Particles Ltd., 1-3 Genesis Park, Midland Way, Nottingham NG7 3EF, UK;
| | - Marie-France A. Belinga-Desaunay
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (E.J.G.); (A.J.C.); (M.-F.A.B.-D.)
| | - Steven G. Thomas
- Institute of Cardiovascular Science, College of Medical Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (A.O.K.); (D.P.); (S.G.T.)
| | - Joshua Z. Rappoport
- Boston College, Higgins 644A, 140 Commonwealth Ave, Chestnut Hill, MA 02467, USA
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, UK; (E.J.G.); (A.J.C.); (M.-F.A.B.-D.)
- Correspondence:
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3
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Srivastava V, Gusain D, Sharma YC. Critical Review on the Toxicity of Some Widely Used Engineered Nanoparticles. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b01610] [Citation(s) in RCA: 179] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Varsha Srivastava
- Department of Chemistry,
Green Chemistry and Renewable Energy Laboratories, Indian Institute of Technology (Banaras Hindu University) Varanasi, Varanasi 221005, India
| | - Deepak Gusain
- Department of Chemistry,
Green Chemistry and Renewable Energy Laboratories, Indian Institute of Technology (Banaras Hindu University) Varanasi, Varanasi 221005, India
| | - Yogesh Chandra Sharma
- Department of Chemistry,
Green Chemistry and Renewable Energy Laboratories, Indian Institute of Technology (Banaras Hindu University) Varanasi, Varanasi 221005, India
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Smith MA, Michael R, Aravindan RG, Dash S, Shah SI, Galileo DS, Martin-DeLeon PA. Anatase titanium dioxide nanoparticles in mice: evidence for induced structural and functional sperm defects after short-, but not long-, term exposure. Asian J Androl 2015; 17:261-8. [PMID: 25370207 PMCID: PMC4650460 DOI: 10.4103/1008-682x.143247] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 06/10/2014] [Accepted: 06/27/2014] [Indexed: 11/12/2022] Open
Abstract
Titanium dioxide (TiO 2 ) nanoparticles (TNPs) are widely used commercially and exist in a variety of products. To determine if anatase TNPs (ATNPs) in doses smaller than previously used reach the scrotum after entry in the body at a distant location and induce sperm defects, 100% ATNP (2.5 or 5 mg kg-1 body weight) was administered intraperitoneally to adult males for three consecutive days, followed by sacrifice 1, 2, 3, or 5 weeks later (long-) or 24, 48 or 120 h (short-term exposure). Transmission electron microscopy revealed the presence of ANTP in scrotal adipose tissues collected 120 h postinjection when cytokine evaluation showed an inflammatory response in epididymal tissues and fluid. At 120 h and up to 3 weeks postinjection, testicular histology revealed enlarged interstitial spaces. Significantly increased numbers of terminal deoxyribonucleotidyl transferase-mediated dUTP nick-end labeling-positive (apoptotic) germ (P = 0.002) and interstitial space cells (P = 0.04) were detected in treated males. Caudal epididymal sperm from the short-term, but not a long-term, arm showed significantly (P < 0.001) increased frequencies of flagellar abnormalities, excess residual cytoplasm (ERC), and unreacted acrosomes in treated versus controls (dose-response relationship). A novel correlation between ERC and unreacted acrosomes was uncovered. At 120 h, there were significant decreases in hyperactivated motility (P < 0.001) and mitochondrial membrane potential (P < 0.05), and increased reactive oxygen species levels (P < 0.00001) in treated versus control sperm. These results indicate that at 4-8 days postinjection, ANTP induce structural and functional sperm defects associated with infertility, and DNA damage via oxidative stress. Sperm defects were transient as they were not detected 10 days to 5 weeks postinjection.
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Affiliation(s)
- Michelle A Smith
- Department of Biological Sciences, University of Delaware, Newark, DE, USA
| | - Rowan Michael
- Department of Biological Sciences, University of Delaware, Newark, DE, USA
| | | | - Soma Dash
- Department of Biological Sciences, University of Delaware, Newark, DE, USA
| | - Syed I Shah
- Departments of Physics and Astronomy and of Material Science, Engineering, University of Delaware, Newark, DE, USA
| | - Deni S Galileo
- Department of Biological Sciences, University of Delaware, Newark, DE, USA
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Comparison of cellular uptake and inflammatory response via toll-like receptor 4 to lipopolysaccharide and titanium dioxide nanoparticles. Int J Mol Sci 2013; 14:13154-70. [PMID: 23803652 PMCID: PMC3742180 DOI: 10.3390/ijms140713154] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 06/10/2013] [Accepted: 06/17/2013] [Indexed: 01/09/2023] Open
Abstract
The innate immune response is the earliest cellular response to infectious agents and mediates the interactions between microbes and cells. Toll-like receptors (TLRs) play an important role in these interactions. We have already shown that TLRs are involved with the uptake of titanium dioxide nanoparticles (TiO2 NPs) and promote inflammatory responses. In this paper, we compared role of cellular uptake and inflammatory response via TLR 4 to lipopolysaccharide (LPS) and TiO2 NPs. In the case of LPS, LPS binds to LPS binding protein (LBP) and CD 14, and then this complex binds to TLR 4. In the case of TiO2 NPs, the necessity of LBP and CD 14 to induce the inflammatory response and for uptake by cells was investigated using over-expression, antibody blocking, and siRNA knockdown experiments. Our results suggested that for cellular uptake of TiO2 NPs, TLR 4 did not form a complex with LBP and CD 14. In the TiO2 NP-mediated inflammatory response, TLR 4 acted as the signaling receptor without protein complex of LPS, LBP and CD 14. The results suggested that character of TiO2 NPs might be similar to the complex of LPS, LBP and CD 14. These results are important for development of safer nanomaterials.
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Metabolic effects of TiO2 nanoparticles, a common component of sunscreens and cosmetics, on human keratinocytes. Cell Death Dis 2013; 4:e549. [PMID: 23519118 PMCID: PMC3615742 DOI: 10.1038/cddis.2013.76] [Citation(s) in RCA: 115] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The long-term health risks of nanoparticles remain poorly understood, which is a serious concern given their prevalence in the environment from increased industrial and domestic use. The extent to which such compounds contribute to cellular toxicity is unclear, and although it is known that induction of oxidative stress pathways is associated with this process, the proteins and the metabolic pathways involved with nanoparticle-mediated oxidative stress and toxicity are largely unknown. To investigate this problem further, the effect of TiO2 on the HaCaT human keratinocyte cell line was examined. The data show that although TiO2 does not affect cell cycle phase distribution, nor cell death, these nanoparticles have a considerable and rapid effect on mitochondrial function. Metabolic analysis was performed to identify 268 metabolites of the specific pathways involved and 85 biochemical metabolites were found to be significantly altered, many of which are known to be associated with the cellular stress response. Importantly, the uptake of nanoparticles into the cultured cells was restricted to phagosomes, TiO2 nanoparticles did not enter into the nucleus or any other cytoplasmic organelle. No other morphological changes were detected after 24-h exposure consistent with a specific role of mitochondria in this response.
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7
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Smijs TG, Pavel S. Titanium dioxide and zinc oxide nanoparticles in sunscreens: focus on their safety and effectiveness. Nanotechnol Sci Appl 2011; 4:95-112. [PMID: 24198489 DOI: 10.2147/nsa.s19419] [Citation(s) in RCA: 398] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Sunscreens are used to provide protection against adverse effects of ultraviolet (UV)B (290-320 nm) and UVA (320-400 nm) radiation. According to the United States Food and Drug Administration, the protection factor against UVA should be at least one-third of the overall sun protection factor. Titanium dioxide (TiO2) and zinc oxide (ZnO) minerals are frequently employed in sunscreens as inorganic physical sun blockers. As TiO2 is more effective in UVB and ZnO in the UVA range, the combination of these particles assures a broad-band UV protection. However, to solve the cosmetic drawback of these opaque sunscreens, microsized TiO2 and ZnO have been increasingly replaced by TiO2 and ZnO nanoparticles (NPs) (<100 nm). This review focuses on significant effects on the UV attenuation of sunscreens when microsized TiO2 and ZnO particles are replaced by NPs and evaluates physicochemical aspects that affect effectiveness and safety of NP sunscreens. With the use of TiO2 and ZnO NPs, the undesired opaqueness disappears but the required balance between UVA and UVB protection can be altered. Utilization of mixtures of micro- and nanosized ZnO dispersions and nanosized TiO2 particles may improve this situation. Skin exposure to NP-containing sunscreens leads to incorporation of TiO2 and ZnO NPs in the stratum corneum, which can alter specific NP attenuation properties due to particle-particle, particle-skin, and skin-particle-light physicochemical interactions. Both sunscreen NPs induce (photo)cyto- and genotoxicity and have been sporadically observed in viable skin layers especially in case of long-term exposures and ZnO. Photocatalytic effects, the highest for anatase TiO2, cannot be completely prevented by coating of the particles, but silica-based coatings are most effective. Caution should still be exercised when new sunscreens are developed and research that includes sunscreen NP stabilization, chronic exposures, and reduction of NPs' free-radical production should receive full attention.
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Affiliation(s)
- Threes G Smijs
- Faculty of Science, Open University in The Netherlands, Rotterdam, The Netherlands ; University of Leiden, Leiden Amsterdam Center for Drug Research, Leiden, The Netherlands ; Erasmus MC, Center for Optical Diagnostics and Therapy, Rotterdam, The Netherlands
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Ai J, Biazar E, Jafarpour M, Montazeri M, Majdi A, Aminifard S, Zafari M, Akbari HR, Rad HG. Nanotoxicology and nanoparticle safety in biomedical designs. Int J Nanomedicine 2011; 6:1117-27. [PMID: 21698080 PMCID: PMC3118686 DOI: 10.2147/ijn.s16603] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Indexed: 11/23/2022] Open
Abstract
Nanotechnology has wide applications in many fields, especially in the biological sciences and medicine. Nanomaterials are applied as coating materials or in treatment and diagnosis. Nanoparticles such as titania, zirconia, silver, diamonds, iron oxides, carbon nanotubes, and biodegradable polymers have been studied in diagnosis and treatment. Many of these nanoparticles may have toxic effects on cells. Many factors such as size, inherent properties, and surface chemistry may cause nanoparticle toxicity. There are methods for improving the performance and reducing toxicity of nanoparticles in medical design, such as biocompatible coating materials or biodegradable/biocompatible nanoparticles. Most metal oxide nanoparticles show toxic effects, but no toxic effects have been observed with biocompatible coatings. Biodegradable nanoparticles are also used in the efficient design of medical materials, which will be reviewed in this article.
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Affiliation(s)
- Jafar Ai
- Department of Tissue Engineering. Faculty of Advanced Technologies, Tehran University of Medical Sciences, Tehran
| | - Esmaeil Biazar
- Department of Chemistry, Islamic Azad University – Tonekabon Branch, Mazandaran
| | - Mostafa Jafarpour
- Department of Microbiology, Faculty of Science, Islamic Azad University – Tonekabon Branch, Mazandaran
| | | | - Ali Majdi
- Young Researchers Club – Islamic Azad University, Tonekabon Branch, Mazandaran
| | - Saba Aminifard
- Young Researchers Club – Islamic Azad University, Tonekabon Branch, Mazandaran
| | - Mandana Zafari
- Young Researchers Club – Islamic Azad University, Tonekabon Branch, Mazandaran
| | - Hanie R Akbari
- Faculty of Medical Sciences, Islamic Azad University – North branch, Tehran
| | - Hadi Gh Rad
- Faculty of Medical Sciences, Islamic Azad University – Tonekabon Branch, Mazandaran, Iran
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Effects of titanium dioxide nanoparticle aggregate size on gene expression. Int J Mol Sci 2010; 11:2383-92. [PMID: 20640159 PMCID: PMC2904923 DOI: 10.3390/ijms11062383] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2010] [Revised: 05/19/2010] [Accepted: 06/01/2010] [Indexed: 11/22/2022] Open
Abstract
Titanium dioxide (titania) nanoparticle aggregation is an important factor in understanding cytotoxicity. However, the effect of the aggregate size of nanoparticles on cells is unclear. We prepared two sizes of titania aggregate particles and investigated their biological activity by analyzing biomarker expression based on mRNA expression analysis. The aggregate particle sizes of small and large aggregated titania were 166 nm (PDI = 0.291) and 596 nm (PDI = 0.417), respectively. These two size groups were separated by centrifugation from the same initial nanoparticle sample. We analyzed the gene expression of biomarkers focused on stress, inflammation, and cytotoxicity. Large titania aggregates show a larger effect on cell viability and gene expression when compared with the small aggregates. This suggests that particle aggregate size is related to cellular effects.
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Kahru A, Dubourguier HC, Blinova I, Ivask A, Kasemets K. Biotests and Biosensors for Ecotoxicology of Metal Oxide Nanoparticles: A Minireview. SENSORS 2008; 8:5153-5170. [PMID: 27873807 PMCID: PMC3705494 DOI: 10.3390/s8085153] [Citation(s) in RCA: 119] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Revised: 08/25/2008] [Accepted: 08/26/2008] [Indexed: 12/14/2022]
Abstract
Nanotechnologies have become a significant priority worldwide. Several manufactured nanoparticles - particles with one dimension less than 100 nm - are increasingly used in consumer products. At nanosize range, the properties of materials differ substantially from bulk materials of the same composition, mostly due to the increased specific surface area and reactivity, which may lead to increased bioavailability and toxicity. Thus, for the assessment of sustainability of nanotechnologies, hazards of manufactured nanoparticles have to be studied. Despite all the above mentioned, the data on the potential environmental effects of nanoparticles are rare. This mini-review is summarizing the emerging information on different aspects of ecotoxicological hazard of metal oxide nanoparticles, focusing on TiO2, ZnO and CuO. Various biotests that have been successfully used for evaluation of ecotoxic properties of pollutants to invertebrates, algae and bacteria and now increasingly applied for evaluation of hazard of nanoparticles at different levels of the aquatic food-web are discussed. Knowing the benefits and potential drawbacks of these systems, a suite of tests for evaluation of environmental hazard of nanoparticles is proposed. Special attention is paid to the influence of particle solubility and to recombinant metal-sensing bacteria as powerful tools for quantification of metal bioavailability. Using recombinant metal-specific bacterial biosensors and multitrophic ecotoxicity assays in tandem will create new scientific knowledge on the respective role of ionic species and of particles in toxicity of metal oxide nanoparticles.
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Affiliation(s)
- Anne Kahru
- Laboratory of Molecular Genetics, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia.
| | - Henri-Charles Dubourguier
- Laboratory of Molecular Genetics, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
- Estonian University of Life Sciences, Kreutzwaldi 5, Tartu 51014, Estonia
| | - Irina Blinova
- Laboratory of Molecular Genetics, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
| | - Angela Ivask
- Laboratory of Molecular Genetics, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
| | - Kaja Kasemets
- Laboratory of Molecular Genetics, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
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