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Gangwar C, Yaseen B, Nayak R, Praveen S, Kumar Singh N, Sarkar J, Banerjee M, Mohan Naik R. Silver nanoparticles fabricated by tannic acid for their antimicrobial and anticancerous activity. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109532] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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2
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Sikes JC, Wonner K, Nicholson A, Cignoni P, Fritsch I, Tschulik K. Characterization of Nanoparticles in Diverse Mixtures Using Localized Surface Plasmon Resonance and Nanoparticle Tracking by Dark-Field Microscopy with Redox Magnetohydrodynamics Microfluidics. ACS PHYSICAL CHEMISTRY AU 2022; 2:289-298. [PMID: 35915589 PMCID: PMC9335947 DOI: 10.1021/acsphyschemau.1c00046] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
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Redox magnetohydrodynamics
(RMHD) microfluidics is coupled with
dark-field microscopy (DFM) to offer high-throughput single-nanoparticle
(NP) differentiation in situ and operando in a flowing mixture by localized surface plasmon resonance (LSPR)
and tracking of NPs. The color of the scattered light allows visualization
of the NPs below the diffraction limit. Their Brownian motion in 1-D
superimposed on and perpendicular to the RMHD trajectory yields their
diffusion coefficients. LSPR and diffusion coefficients provide two
orthogonal modalities for characterization where each depends on a
particle’s material composition, shape, size, and interactions
with the surrounding medium. RMHD coupled with DFM was demonstrated
on a mixture of 82 ± 9 nm silver and 140 ± 10 nm gold-coated
silica nanospheres. The two populations of NPs in the mixture were
identified by blue/green and orange/red LSPR and their scattering
intensity, respectively, and their sizes were further evaluated based
on their diffusion coefficients. RMHD microfluidics facilitates high-throughput
analysis by moving the sample solution across the wide field of view
absent of physical vibrations within the experimental cell. The well-controlled
pumping allows for a continuous, reversible, and uniform flow for
precise and simultaneous NP tracking of the Brownian motion. Additionally,
the amounts of nanomaterials required for the analysis are minimized
due to the elimination of an inlet and outlet. Several hundred individual
NPs were differentiated from each other in the mixture flowing in
forward and reverse directions. The ability to immediately reverse
the flow direction also facilitates re-analysis of the NPs, enabling
more precise sizing.
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Affiliation(s)
- Jazlynn C. Sikes
- University of Arkansas Department of Chemistry and Biochemistry, Fayetteville, Arkansas 72701, United States
| | - Kevin Wonner
- Ruhr University Bochum, Faculty of Chemistry and Biochemistry, Chair of Analytical Chemistry II, Bochum 44801, Germany
| | - Aaron Nicholson
- University of Arkansas Department of Chemistry and Biochemistry, Fayetteville, Arkansas 72701, United States
| | - Paolo Cignoni
- Ruhr University Bochum, Faculty of Chemistry and Biochemistry, Chair of Analytical Chemistry II, Bochum 44801, Germany
| | - Ingrid Fritsch
- University of Arkansas Department of Chemistry and Biochemistry, Fayetteville, Arkansas 72701, United States
| | - Kristina Tschulik
- Ruhr University Bochum, Faculty of Chemistry and Biochemistry, Chair of Analytical Chemistry II, Bochum 44801, Germany
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3
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Kovács D, Igaz N, Gopisetty MK, Kiricsi M. Cancer Therapy by Silver Nanoparticles: Fiction or Reality? Int J Mol Sci 2022; 23:ijms23020839. [PMID: 35055024 PMCID: PMC8777983 DOI: 10.3390/ijms23020839] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 02/01/2023] Open
Abstract
As an emerging new class, metal nanoparticles and especially silver nanoparticles hold great potential in the field of cancer biology. Due to cancer-specific targeting, the consequently attenuated side-effects and the massive anti-cancer features render nanoparticle therapeutics desirable platforms for clinically relevant drug development. In this review, we highlight those characteristics of silver nanoparticle-based therapeutic concepts that are unique, exploitable, and achievable, as well as those that represent the critical hurdle in their advancement to clinical utilization. The collection of findings presented here will describe the features that distinguish silver nanoparticles from other anti-cancer agents and display the realistic opportunities and implications in oncotherapeutic innovations to find out whether cancer therapy by silver nanoparticles is fiction or reality.
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Affiliation(s)
- Dávid Kovács
- Department of Biochemistry and Molecular Biology, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary; (D.K.); (N.I.); (M.K.G.)
- CNRS, Institut de Pharmacologie Moléculaire et Cellulaire, Université Côte d’Azur, 660 Route des Lucioles, 06560 Valbonne, France
| | - Nóra Igaz
- Department of Biochemistry and Molecular Biology, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary; (D.K.); (N.I.); (M.K.G.)
| | - Mohana K. Gopisetty
- Department of Biochemistry and Molecular Biology, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary; (D.K.); (N.I.); (M.K.G.)
- Interdisciplinary Center of Excellence, Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla Tér 1, H-6720 Szeged, Hungary
| | - Mónika Kiricsi
- Department of Biochemistry and Molecular Biology, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary; (D.K.); (N.I.); (M.K.G.)
- Correspondence: or
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4
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Ahamed A, Liang L, Lee MY, Bobacka J, Lisak G. Too small to matter? Physicochemical transformation and toxicity of engineered nTiO 2, nSiO 2, nZnO, carbon nanotubes, and nAg. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124107. [PMID: 33035908 DOI: 10.1016/j.jhazmat.2020.124107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/04/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
Engineered nanomaterials (ENMs) refer to a relatively novel class of materials that are increasingly prevalent in various consumer products and industrial applications - most notably for their superlative physicochemical properties when compared with conventional materials. However, consumer products inevitably degrade over the course of their lifetime, releasing ENMs into the environment. These ENMs undergo physicochemical transformations and subsequently accumulate in the environment, possibly leading to various toxic effects. As a result, a significant number of studies have focused on identifying the possible transformations and environmental risks of ENMs, with the objective of ensuring a safe and responsible application of ENMs in consumer products. This review aims to consolidate the results from previous studies related to each stage of the pathway of ENMs from being embodied in a product to disintegration/transformation in the environment. The scope of this work was defined to include the five most prevalent ENMs based on recent projected production market data, namely: nTiO2, nSiO2, nZnO, carbon nanotubes, and nAg. The review focuses on: (i) models developed to estimate environmental concentrations of ENMs; (ii) the possible physicochemical transformations; (iii) cytotoxicity and genotoxicity effects specific to each ENM selected; and (iv) a discussion to identify potential gaps in the studies conducted and recommend areas where further investigation is warranted.
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Affiliation(s)
- Ashiq Ahamed
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore; Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500 Turku/Åbo, Finland
| | - Lili Liang
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore; Interdisciplinary Graduate Program, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore
| | - Ming Yang Lee
- Asian School of the Environment, Nanyang Technological University, Singapore 639798, Singapore
| | - Johan Bobacka
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500 Turku/Åbo, Finland
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore 637141 Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore.
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5
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Zhang F, Aquino GV, Bruce ED. A quantitative and non-invasive method for nanoparticle translocation and toxicity evaluation in a human airway barrier model. MethodsX 2020; 7:100869. [PMID: 32382518 PMCID: PMC7199013 DOI: 10.1016/j.mex.2020.100869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 03/11/2020] [Indexed: 11/10/2022] Open
Abstract
Human exposure to environmental nanoparticles (NPs) may result in systemic distribution and accumulation of NPs. Depending on exposure conditions and their physiochemical properties, NPs could cross biological barriers and reach vital organs. This method describes an analytical technique that quantifies the nanoparticles’ translocation through a sample human airway barrier. Silver nanoparticles (AgNPs) were used as the example nanoparticles due to their common use in nanotechnology. The analytical method introduced in this study allows mass measurements of both cellular uptake and translocation of AgNPs through the modeled barrier. Additionally, cytotoxicity was evaluated using a convenient assay to investigate adverse effects from AgNPs treatment. The assay measures cellular injury from each layer in the barrier independently. The assay does not engage cells physically for chemical reaction, therefore it is non-destructive to the model, and the model can be used for other purposes subsequently. To conclude, this study provides researchers with measurable tools for evaluating the translocation, cellular trafficking, uptake and toxic effects of metallic nanoparticles in the in vitro barrier format.Quantitative evaluation of nanoparticles translocation through human airway barrier Non-invasive and quantifiable toxicity evaluation for co-culture models
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Affiliation(s)
- Fan Zhang
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, 76798-7266 TX, United States
| | - Grace V Aquino
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, 76798-7266 TX, United States
| | - Erica D Bruce
- Department of Environmental Science, Baylor University, One Bear Place #97266, Waco, 76798-7266 TX, United States
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6
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Zhang F, Aquino GV, Dabi A, Bruce ED. Assessing the translocation of silver nanoparticles using an in vitro co-culture model of human airway barrier. Toxicol In Vitro 2019; 56:1-9. [DOI: 10.1016/j.tiv.2018.12.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 11/29/2018] [Accepted: 12/18/2018] [Indexed: 11/27/2022]
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7
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Rosário F, Hoet P, Nogueira AJA, Santos C, Oliveira H. Differential pulmonary in vitro toxicity of two small-sized polyvinylpyrrolidone-coated silver nanoparticles. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:675-690. [PMID: 29939837 DOI: 10.1080/15287394.2018.1468837] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Silver nanoparticles (AgNP), with their important properties, are being used in a range of sectors from industry to medicine, leading to increased human exposure. Hence, their toxicity potential needs to be comprehensively evaluated. It was postulated that within small-sized (≤20 nm) polyvinylpyrrolidone-coated silver nanoparticles (PVP-AgNP), minor size differences may significantly induce different toxicity profiles and involve varying cellular pathways. Therefore, the aim of this study was to examine the influence of differing size AgNP with 10 nm (AgNP10) and 20 nm (AgNP20) (up to 100 µg/ml), as well as to ionic silver as AgNO3 for 24 and 48 h, using the human lung cell line A549. The effects on cell viability, proliferation, apoptosis, DNA damage and cell cycle dynamics were assessed. Results for both time periods showed that for low concentrations (<5 µg/ml), AgNP20 were more cytotoxic than AgNP10, however, at higher doses, AgNP10 exhibited higher toxicity. For concentrations >50 µg/ml, AgNP10 induced severe DNA damage (comet class 3-4), cell cycle arrest at G2 phase and late-stage apoptosis, while AgNP20 induced cell cycle arrest at S phase and an increase in the percentage sub-G1, which did not recover after 48 h, and late-stage apoptosis/necrosis. In longer-term exposures, the greater impairment in colony formation due to AgNP exposure than to silver ion supports that nanotoxicity is not exclusively due to the released ion. Data suggest that toxicity mediated by small AgNP (≤20 nm) in lung cells is not only dependent on the level of particle internalization, but also on AgNP size and concentration, which may involve varying pathways as targets.
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Affiliation(s)
- Fernanda Rosário
- a Department of Biology & CESAM , University of Aveiro , Aveiro , Portugal
| | - Peter Hoet
- b Occupational and environmental Toxicology , KU Leuven , Leuven , Belgium
| | | | - Conceição Santos
- c Department of Biology, Faculty of Sciences , University of Porto , Porto, Portugal
| | - Helena Oliveira
- a Department of Biology & CESAM , University of Aveiro , Aveiro , Portugal
- d CICECO - Aveiro Institute of Materials , University of Aveiro , Aveiro , Portugal
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8
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Graf C, Nordmeyer D, Sengstock C, Ahlberg S, Diendorf J, Raabe J, Epple M, Köller M, Lademann J, Vogt A, Rancan F, Rühl E. Shape-Dependent Dissolution and Cellular Uptake of Silver Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:1506-1519. [PMID: 29272915 DOI: 10.1021/acs.langmuir.7b03126] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The cellular uptake and dissolution of trigonal silver nanoprisms (edge length 42 ± 15 nm, thickness 8 ± 1 nm) and mostly spherical silver nanoparticles (diameter 70 ± 25 nm) in human mesenchymal stem cells (hMSC's) and human keratinocytes (HaCaT cells) were investigated. Both particles are stabilized by polyvinylpyrrolidone (PVP), with the prisms additionally stabilized by citrate. The nanoprisms dissolved slightly in pure water but strongly in isotonic saline or at pH 4, corresponding to the lowest limit for the pH during cellular uptake. The tips of the prisms became rounded within minutes due to their high surface energy. Afterward, the dissolution process slowed down due to the presence of both PVP stabilizing Ag{100} sites and citrate blocking Ag{111} sites. On the contrary, nanospheres, solely stabilized by PVP, dissolved within 24 h. These results correlate with the finding that particles in both cell types have lost >90% of their volume within 24 h. hMSC's took up significantly more Ag from nanoprisms than from nanospheres, whereas HaCaT cells showed no preference for one particle shape. This can be rationalized by the large cellular interaction area of the plateletlike nanoprisms and the bending stiffness of the cell membranes. hMSC's have a highly flexible cell membrane, resulting in an increased uptake of plateletlike particles. HaCaT cells have a membrane with a 3 orders of magnitude higher Young's modulus than for hMSC. Hence, the energy gain due to the larger interaction area of the nanoprisms is compensated for by the higher energy needed for cell membrane deformation compared to that for spheres, leading to no shape preference.
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Affiliation(s)
- Christina Graf
- Physikalische und Theoretische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin , 14195 Berlin, Germany
| | - Daniel Nordmeyer
- Physikalische und Theoretische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin , 14195 Berlin, Germany
| | - Christina Sengstock
- Bergmannsheil University Hospital/Surgical Research, Ruhr-University Bochum , 44789 Bochum, Germany
| | - Sebastian Ahlberg
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin , 10117 Berlin, Germany
| | - Jörg Diendorf
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen , 45117 Essen, Germany
| | - Jörg Raabe
- Swiss Light Source, Paul Scherrer Institut , 5232 Villigen, Switzerland
| | - Matthias Epple
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen , 45117 Essen, Germany
| | - Manfred Köller
- Bergmannsheil University Hospital/Surgical Research, Ruhr-University Bochum , 44789 Bochum, Germany
| | - Jürgen Lademann
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin , 10117 Berlin, Germany
| | - Annika Vogt
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin , 10117 Berlin, Germany
| | - Fiorenza Rancan
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin , 10117 Berlin, Germany
| | - Eckart Rühl
- Physikalische und Theoretische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin , 14195 Berlin, Germany
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9
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Lichtenstein D, Meyer T, Böhmert L, Juling S, Fahrenson C, Selve S, Thünemann A, Meijer J, Estrela-Lopis I, Braeuning A, Lampen A. Dosimetric Quantification of Coating-Related Uptake of Silver Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:13087-13097. [PMID: 28918629 DOI: 10.1021/acs.langmuir.7b01851] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The elucidation of mechanisms underlying the cellular uptake of nanoparticles (NPs) is an important topic in nanotoxicological research. Most studies dealing with silver NP uptake provide only qualitative data about internalization efficiency and do not consider NP-specific dosimetry. Therefore, we performed a comprehensive comparison of the cellular uptake of differently coated silver NPs of comparable size in different human intestinal Caco-2 cell-derived models to cover also the influence of the intestinal mucus barrier and uptake-specialized M-cells. We used a combination of the Transwell system, transmission electron microscopy, atomic absorption spectroscopy, and ion beam microscopy techniques. The computational in vitro sedimentation, diffusion, and dosimetry (ISDD) model was used to determine the effective dose of the particles in vitro based on their individual physicochemical characteristics. Data indicate that silver NPs with a similar size and shape show coating-dependent differences in their uptake into Caco-2 cells. The internalization of silver NPs was enhanced in uptake-specialized M-cells while the mucus did not provide a substantial barrier for NP internalization. ISDD modeling revealed a fivefold underestimation of dose-response relationships of NPs in in vitro assays. In summary, the present study provides dosimetry-adjusted quantitative data about the influence of NP coating materials in cellular uptake into human intestinal cells. Underestimation of particle effects in vitro might be prevented by using dosimetry models and by considering cell models with greater proximity to the in vivo situation, such as the M-cell model.
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Affiliation(s)
- Dajana Lichtenstein
- Department of Food Safety, German Federal Institute for Risk Assessment , Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
| | - Thomas Meyer
- Institute for Medical Physics and Biophysics, Leipzig University , Härtelstraße 16-18, 04107 Leipzig, Germany
| | - Linda Böhmert
- Department of Food Safety, German Federal Institute for Risk Assessment , Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
| | - Sabine Juling
- Department of Food Safety, German Federal Institute for Risk Assessment , Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
| | - Christoph Fahrenson
- ZELMI, Technical University Berlin , Straße des 17. Juni 135, 10623 Berlin, Germany
| | - Sören Selve
- ZELMI, Technical University Berlin , Straße des 17. Juni 135, 10623 Berlin, Germany
| | - Andreas Thünemann
- German Federal Institute for Materials Research and Testing , Unter den Eichen 87, 12205 Berlin, Germany
| | - Jan Meijer
- Nuclear Solid State Physics, Leipzig University , Linnéstraße 5, 04103 Leipzig, Germany
| | - Irina Estrela-Lopis
- Institute for Medical Physics and Biophysics, Leipzig University , Härtelstraße 16-18, 04107 Leipzig, Germany
| | - Albert Braeuning
- Department of Food Safety, German Federal Institute for Risk Assessment , Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
| | - Alfonso Lampen
- Department of Food Safety, German Federal Institute for Risk Assessment , Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
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Lujan H, Sayes CM. Cytotoxicological pathways induced after nanoparticle exposure: studies of oxidative stress at the 'nano-bio' interface. Toxicol Res (Camb) 2017; 6:580-594. [PMID: 30090527 PMCID: PMC6062389 DOI: 10.1039/c7tx00119c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 07/11/2017] [Indexed: 12/12/2022] Open
Abstract
Nanotechnology is advancing rapidly; many industries are utilizing nanomaterials because of their remarkable properties. As of 2017, over 1800 "nano-enabled products" (i.e. products that incorporate a nanomaterial feature and alter the product's performance) have been used to revolutionize pharmaceutical, transportation, and agriculture industries, just to name a few. As the number of nano-enabled products continues to increase, the risk of nanoparticle exposure to humans and the surrounding environment also increases. These exposures are usually classified as either intentional or unintentional. The increased rate of potential nanoparticle exposure to humans has required the field of 'nanotoxicology' to rapidly screen for key biological, biochemical, chemical, or physical signals, signatures, or markers associated with specific toxicological pathways of injury within in vivo, in vitro, and ex vivo models. One of the common goals of nanotoxicology research is to identify critical perturbed biological pathways that can lead to an adverse outcome. This review focuses on the most common toxicological pathways induced by nanoparticle exposure and provides insights into how these perturbations could aid in the development of nanomaterial specific adverse outcomes, inform nano-enabled product development, ensure safe manufacturing practices, promote intentional product use, and avoid environmental health hazards.
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Affiliation(s)
- Henry Lujan
- Department of Environmental Science , Baylor University , Waco , TX 76798-7266 , USA . ; ; Tel: +254-710-34769
| | - Christie M Sayes
- Department of Environmental Science , Baylor University , Waco , TX 76798-7266 , USA . ; ; Tel: +254-710-34769
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11
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Gueldner J, Zhang F, Zechmann B, Bruce ED. Evaluating a novel oxygenating therapeutic for its potential use in the advancement of wound healing. Toxicol In Vitro 2017; 43:62-68. [PMID: 28599845 DOI: 10.1016/j.tiv.2017.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 06/03/2017] [Accepted: 06/05/2017] [Indexed: 12/29/2022]
Abstract
Non-gaseous oxygen therapeutics are emerging technologies in regenerative medicine that aim to sidestep the undesirable effects seen in traditional oxygen therapies, while enhancing tissue and wound regeneration. Using a novel oxygenating therapeutic (Ox66™) several in vitro models including fibroblast and keratinocyte monocultures were evaluated for potential drug toxicity, the ability of cells to recover after chemical injury, and cell migration after scratch assay. It was determined that in both cell lines, there was no significant cytotoxicity found after independent treatment with Ox66™. Similarly, after DMSO-induced chemical injury, the health parameters of cells treated with Ox66™ were improved when compared to their untreated counterparts. Particles were also characterized using scanning electron microscopy and electron dispersive spectroscopy both individually and in conjunction with fibroblast growth. The data in this study showed that the novel wound healing therapeutic has potential in advancing the treatment of various types of acute and chronic wounds.
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Affiliation(s)
- Jennifer Gueldner
- Baylor University, Institute of Biomedical Studies, One Bear Place #97266, Waco, TX. 76798, United States
| | - Fan Zhang
- Baylor University, Department of Environmental Science, One Bear Place #97266, Waco, TX 76798, United States
| | - Bernd Zechmann
- Baylor University, Center for Microscopy and Imaging, One Bear Place #97046, Waco, TX 76798, United States
| | - Erica D Bruce
- Baylor University, Institute of Biomedical Studies, Department of Environmental Science, The Institute of Ecological, Earth and Environmental Sciences, One Bear Place #97266, Waco, TX. 76798, United States.
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12
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Bastos V, Ferreira-de-Oliveira JMP, Carrola J, Daniel-da-Silva AL, Duarte IF, Santos C, Oliveira H. Coating independent cytotoxicity of citrate- and PEG-coated silver nanoparticles on a human hepatoma cell line. J Environ Sci (China) 2017; 51:191-201. [PMID: 28115130 DOI: 10.1016/j.jes.2016.05.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 05/21/2016] [Accepted: 05/28/2016] [Indexed: 06/06/2023]
Abstract
The antibacterial potential of silver nanoparticles (AgNPs) resulted in their increasing incorporation into consumer, industrial and biomedical products. Therefore, human and environmental exposure to AgNPs (either as an engineered product or a contaminant) supports the emergent research on the features conferring them different toxicity profiles. In this study, 30nm AgNPs coated with citrate or poly(ethylene glycol) (PEG) were used to assess the influence of coating on the effects produced on a human hepatoma cell line (HepG2), namely in terms of viability, apoptosis, apoptotic related genes, cell cycle and cyclins gene expression. Both types of coated AgNPs decreased cell proliferation and viability with a similar toxicity profile. At the concentrations used (11 and 5μg/mL corresponding to IC50 and ~IC10 levels, respectively) the amount of cells undergoing apoptosis was not significant and the apoptotic related genes BCL2 (anti-apoptotic gene) and BAX (pro-apoptotic gene) were both downregulated. Moreover, both AgNPs affected HepG2 cell cycle progression at the higher concentration (11μg/mL) by increasing the percentage of cells in S (synthesis phase) and G2 (Gap 2 phase) phases. Considering the cell-cycle related genes, the expression of cyclin B1 and cyclin E1 genes were decreased. Thus, this work has shown that citrate- and PEG-coated AgNPs impact on HepG2 apoptotic gene expression, cell cycle dynamics and cyclin regulation in a similar way. More research is needed to determine the properties that confer AgNPs at lower toxicity, since their use has proved helpful in several industrial and biomedical contexts.
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Affiliation(s)
- Verónica Bastos
- CESAM & Laboratory of Biotechnology and Cytomics, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - José M P Ferreira-de-Oliveira
- CESAM & Laboratory of Biotechnology and Cytomics, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Joana Carrola
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana L Daniel-da-Silva
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Iola F Duarte
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Conceição Santos
- Department of Biology, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal.
| | - Helena Oliveira
- CESAM & Laboratory of Biotechnology and Cytomics, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
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13
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Kajani AA, Zarkesh-Esfahani SH, Bordbar AK, Khosropour AR, Razmjou A, Kardi M. Anticancer effects of silver nanoparticles encapsulated by Taxus baccata extracts. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2016.08.064] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Horie M, Sugino S, Kato H, Tabei Y, Nakamura A, Yoshida Y. Does photocatalytic activity of TiO2 nanoparticles correspond to photo-cytotoxicity? Cellular uptake of TiO2 nanoparticles is important in their photo-cytotoxicity. Toxicol Mech Methods 2016; 26:284-94. [DOI: 10.1080/15376516.2016.1175530] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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