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Stueckle TA, Jensen J, Coyle JP, Derk R, Wagner A, Dinu CZ, Kornberg TG, Friend SA, Dozier A, Agarwal S, Gupta RK, Rojanasakul LW. In vitro inflammation and toxicity assessment of pre- and post-incinerated organomodified nanoclays to macrophages using high-throughput screening approaches. Part Fibre Toxicol 2024; 21:16. [PMID: 38509617 PMCID: PMC10956245 DOI: 10.1186/s12989-024-00577-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 03/08/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Organomodified nanoclays (ONC), two-dimensional montmorillonite with organic coatings, are increasingly used to improve nanocomposite properties. However, little is known about pulmonary health risks along the nanoclay life cycle even with increased evidence of airborne particulate exposures in occupational environments. Recently, oropharyngeal aspiration exposure to pre- and post-incinerated ONC in mice caused low grade, persistent lung inflammation with a pro-fibrotic signaling response with unknown mode(s) of action. We hypothesized that the organic coating presence and incineration status of nanoclays determine the inflammatory cytokine secretary profile and cytotoxic response of macrophages. To test this hypothesis differentiated human macrophages (THP-1) were acutely exposed (0-20 µg/cm2) to pristine, uncoated nanoclay (CloisNa), an ONC (Clois30B), their incinerated byproducts (I-CloisNa and I-Clois30B), and crystalline silica (CS) followed by cytotoxicity and inflammatory endpoints. Macrophages were co-exposed to lipopolysaccharide (LPS) or LPS-free medium to assess the role of priming the NF-κB pathway in macrophage response to nanoclay treatment. Data were compared to inflammatory responses in male C57Bl/6J mice following 30 and 300 µg/mouse aspiration exposure to the same particles. RESULTS In LPS-free media, CloisNa exposure caused mitochondrial depolarization while Clois30B exposure caused reduced macrophage viability, greater cytotoxicity, and significant damage-associated molecular patterns (IL-1α and ATP) release compared to CloisNa and unexposed controls. LPS priming with low CloisNa doses caused elevated cathepsin B/Caspage-1/IL-1β release while higher doses resulted in apoptosis. Clois30B exposure caused dose-dependent THP-1 cell pyroptosis evidenced by Cathepsin B and IL-1β release and Gasdermin D cleavage. Incineration ablated the cytotoxic and inflammatory effects of Clois30B while I-CloisNa still retained some mild inflammatory potential. Comparative analyses suggested that in vitro macrophage cell viability, inflammasome endpoints, and pro-inflammatory cytokine profiles significantly correlated to mouse bronchioalveolar lavage inflammation metrics including inflammatory cell recruitment. CONCLUSIONS Presence of organic coating and incineration status influenced inflammatory and cytotoxic responses following exposure to human macrophages. Clois30B, with a quaternary ammonium tallow coating, induced a robust cell membrane damage and pyroptosis effect which was eliminated after incineration. Conversely, incinerated nanoclay exposure primarily caused elevated inflammatory cytokine release from THP-1 cells. Collectively, pre-incinerated nanoclay displayed interaction with macrophage membrane components (molecular initiating event), increased pro-inflammatory mediators, and increased inflammatory cell recruitment (two key events) in the lung fibrosis adverse outcome pathway.
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Affiliation(s)
- Todd A Stueckle
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA.
| | - Jake Jensen
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
| | - Jayme P Coyle
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
| | - Raymond Derk
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
| | - Alixandra Wagner
- Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, 26506, USA
| | - Cerasela Zoica Dinu
- Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, 26506, USA
| | - Tiffany G Kornberg
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
| | - Sherri A Friend
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
| | - Alan Dozier
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
| | - Sushant Agarwal
- Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, 26506, USA
| | - Rakesh K Gupta
- Chemical and Biomedical Engineering, West Virginia University, Morgantown, WV, 26506, USA
| | - Liying W Rojanasakul
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, 26505, USA
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Damato A, Vianello F, Novelli E, Balzan S, Gianesella M, Giaretta E, Gabai G. Comprehensive Review on the Interactions of Clay Minerals With Animal Physiology and Production. Front Vet Sci 2022; 9:889612. [PMID: 35619608 PMCID: PMC9127995 DOI: 10.3389/fvets.2022.889612] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Clay minerals are naturally occurring rock and soil materials primarily composed of fine-grained aluminosilicate minerals, characterized by high hygroscopicity. In animal production, clays are often mixed with feed and, due to their high binding capacity towards organic molecules, used to limit animal absorption of feed contaminants, such as mycotoxins and other toxicants. Binding capacity of clays is not specific and these minerals can form complexes with different compounds, such as nutrients and pharmaceuticals, thus possibly affecting the intestinal absorption of important substances. Indeed, clays cannot be considered a completely inert feed additive, as they can interfere with gastro-intestinal (GI) metabolism, with possible consequences on animal physiology. Moreover, clays may contain impurities, constituted of inorganic micronutrients and/or toxic trace elements, and their ingestion can affect animal health. Furthermore, clays may also have effects on the GI mucosa, possibly modifying nutrient digestibility and animal microbiome. Finally, clays may directly interact with GI cells and, depending on their mineral grain size, shape, superficial charge and hydrophilicity, can elicit an inflammatory response. As in the near future due to climate change the presence of mycotoxins in feedstuffs will probably become a major problem, the use of clays in feedstuff, given their physico-chemical properties, low cost, apparent low toxicity and eco-compatibility, is expected to increase. The present review focuses on the characteristics and properties of clays as feed additives, evidencing pros and cons. Aims of future studies are suggested, evidencing that, in particular, possible interferences of these minerals with animal microbiome, nutrient absorption and drug delivery should be assessed. Finally, the fate of clay particles during their transit within the GI system and their long-term administration/accumulation should be clarified.
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Affiliation(s)
- Anna Damato
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Fabio Vianello
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Enrico Novelli
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Stefania Balzan
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
| | - Matteo Gianesella
- Department of Animal Medicine, Production and Health, University of Padua, Padua, Italy
| | - Elisa Giaretta
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
- *Correspondence: Elisa Giaretta
| | - Gianfranco Gabai
- Department of Comparative Biomedicine and Food Science, University of Padua, Padua, Italy
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Marin MM, Ianchis R, Leu Alexa R, Gifu IC, Kaya MGA, Savu DI, Popescu RC, Alexandrescu E, Ninciuleanu CM, Preda S, Ignat M, Constantinescu R, Iovu H. Development of New Collagen/Clay Composite Biomaterials. Int J Mol Sci 2021; 23:401. [PMID: 35008826 PMCID: PMC8745677 DOI: 10.3390/ijms23010401] [Citation(s) in RCA: 7] [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: 12/05/2021] [Revised: 12/27/2021] [Accepted: 12/27/2021] [Indexed: 01/22/2023] Open
Abstract
The fabrication of collagen-based biomaterials for skin regeneration offers various challenges for tissue engineers. The purpose of this study was to obtain a novel series of composite biomaterials based on collagen and several types of clays. In order to investigate the influence of clay type on drug release behavior, the obtained collagen-based composite materials were further loaded with gentamicin. Physiochemical and biological analyses were performed to analyze the obtained nanocomposite materials after nanoclay embedding. Infrared spectra confirmed the inclusion of clay in the collagen polymeric matrix without any denaturation of triple helical conformation. All the composite samples revealed a slight change in the 2-theta values pointing toward a homogenous distribution of clay layers inside the collagen matrix with the obtaining of mainly intercalated collagen-clay structures, according X-ray diffraction analyses. The porosity of collagen/clay composite biomaterials varied depending on clay nanoparticles sort. Thermo-mechanical analyses indicated enhanced thermal and mechanical features for collagen composites as compared with neat type II collagen matrix. Biodegradation findings were supported by swelling studies, which indicated a more crosslinked structure due additional H bonding brought on by nanoclays. The biology tests demonstrated the influence of clay type on cellular viability but also on the antimicrobial behavior of composite scaffolds. All nanocomposite samples presented a delayed gentamicin release when compared with the collagen-gentamicin sample. The obtained results highlighted the importance of clay type selection as this affects the performances of the collagen-based composites as promising biomaterials for future applications in the biomedical field.
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Affiliation(s)
- Maria Minodora Marin
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 1-7 Polizu Street, 011061 Bucharest, Romania;
- Collagen Department, Leather and Footwear Research Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania; (M.G.A.K.); (M.I.); (R.C.)
| | - Raluca Ianchis
- National Research & Development Institute for Chemistry and Petrochemistry, ICECHIM, Spl. Independentei Nr. 202, 6th District, 060021 Bucharest, Romania; (I.C.G.); (E.A.); (C.M.N.)
| | - Rebeca Leu Alexa
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 1-7 Polizu Street, 011061 Bucharest, Romania;
| | - Ioana Catalina Gifu
- National Research & Development Institute for Chemistry and Petrochemistry, ICECHIM, Spl. Independentei Nr. 202, 6th District, 060021 Bucharest, Romania; (I.C.G.); (E.A.); (C.M.N.)
| | - Madalina Georgiana Albu Kaya
- Collagen Department, Leather and Footwear Research Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania; (M.G.A.K.); (M.I.); (R.C.)
| | - Diana Iulia Savu
- Department of Life and Environmental Physics, Horia Hulubei National Institute of Physics and Nuclear Engineering, 077125 Magurele, Romania; (D.I.S.); (R.C.P.)
| | - Roxana Cristina Popescu
- Department of Life and Environmental Physics, Horia Hulubei National Institute of Physics and Nuclear Engineering, 077125 Magurele, Romania; (D.I.S.); (R.C.P.)
| | - Elvira Alexandrescu
- National Research & Development Institute for Chemistry and Petrochemistry, ICECHIM, Spl. Independentei Nr. 202, 6th District, 060021 Bucharest, Romania; (I.C.G.); (E.A.); (C.M.N.)
| | - Claudia Mihaela Ninciuleanu
- National Research & Development Institute for Chemistry and Petrochemistry, ICECHIM, Spl. Independentei Nr. 202, 6th District, 060021 Bucharest, Romania; (I.C.G.); (E.A.); (C.M.N.)
| | - Silviu Preda
- Institute of Physical Chemistry “Ilie Murgulescu”, Romanian Academy, Spl. Independentei 202, 6th District, 060021 Bucharest, Romania;
| | - Madalina Ignat
- Collagen Department, Leather and Footwear Research Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania; (M.G.A.K.); (M.I.); (R.C.)
| | - Roxana Constantinescu
- Collagen Department, Leather and Footwear Research Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania; (M.G.A.K.); (M.I.); (R.C.)
| | - Horia Iovu
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 1-7 Polizu Street, 011061 Bucharest, Romania;
- Chemical Sciences Section, Academy of Romanian Scientists, 54 Splaiul Independentei, 50085 Bucharest, Romania
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Di Ianni E, Møller P, Vogel UB, Jacobsen NR. Pro-inflammatory response and genotoxicity caused by clay and graphene nanomaterials in A549 and THP-1 cells. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2021; 872:503405. [PMID: 34798932 DOI: 10.1016/j.mrgentox.2021.503405] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/02/2021] [Accepted: 09/11/2021] [Indexed: 10/20/2022]
Abstract
Nanoclays and graphene oxide nanomaterials represent a class of materials sharing similar shapes constituted of high aspect ratio platelets. The increased production of these materials for various industrial applications increases the risk of occupational exposure, consequently with elevated risk of adverse reactions and development of pulmonary diseases, including lung cancer. In this study, pro-inflammatory responses and genotoxicity were assessed in alveolar epithelial cells (A549) and activated THP-1 macrophages (THP-1a) after exposure to three nanoclays; a pristine (Bentonite) and two surface modified (benzalkonium chloride-coated Nanofil9, and dialkyldimethyl-ammonium-coated NanofilSE3000); graphene oxide (GO) and reduced graphene oxide (r-GO) nanomaterials. The pro-inflammatory response in terms of IL-8 expression was strongest in cells exposed to Bentonite, whereas surface modification resulted in decreased toxicity in both cell lines when exposed to Nanofil9 and NanofilSE3000. GO and r-GO induced a pro-inflammatory response in A549 cells, while no effect was detected with the two nanomaterials on THP-1a cells. The pro-inflammatory response was strongly correlated with in vivo inflammation in mice after intra-tracheal instillation when doses were normalized against surface area. Genotoxicity was assessed as DNA strand breaks, using the alkaline comet assay. In A549 cells, an increase in DNA strand breaks was detected only in cells exposed to Bentonite, whereas Bentonite, NanofilSE3000 and GO caused an increased level of genotoxicity in THP-1a cells. Genotoxicity in THP-1a cells was concordant with the DNA damage in bronchoalveolar lavage fluid cells following 1 and 3 days after intra-tracheal instillation in mice. In conclusion, this study shows that surface modification of pristine nanoclays reduces the inflammatory and genotoxic response in A549 and THP-1a cells, and these in vitro models show comparable toxicity to what seen in previous mouse studies with the same materials.
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Affiliation(s)
- Emilio Di Ianni
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - Peter Møller
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Ulla Birgitte Vogel
- National Research Centre for the Working Environment, Copenhagen, Denmark; National Food Institute, Technical University of Denmark, Kgs.Lyngby, Denmark
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Peixoto D, Pereira I, Pereira-Silva M, Veiga F, Hamblin MR, Lvov Y, Liu M, Paiva-Santos AC. Emerging role of nanoclays in cancer research, diagnosis, and therapy. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213956] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Akgöl S, Ulucan-Karnak F, Kuru Cİ, Kuşat K. The usage of composite nanomaterials in biomedical engineering applications. Biotechnol Bioeng 2021; 118:2906-2922. [PMID: 34050923 DOI: 10.1002/bit.27843] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 05/04/2021] [Accepted: 05/23/2021] [Indexed: 12/23/2022]
Abstract
Nanotechnology is still developing over the decades and it is commonly used in biomedical applications with the design of nanomaterials due to the several purposes. With the investigation of materials on the molecular level has increased the develop composite nanomaterials with exceptional properties using in different applications and industries. The application of these composite nanomaterials is widely used in the fields of textile, chemical, energy, defense industry, electronics, and biomedical engineering which is growing and developing on human health. Development of biosensors for the diagnosis of diseases, drug targeting and controlled release applications, medical implants and imaging techniques are the research topics of nanobiotechnology. In this review, overview of the development of nanotechnology and applications which is use of composite nanomaterials in biomedical engineering is provided.
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Affiliation(s)
- Sinan Akgöl
- Department of Biochemistry, Faculty of Science, Ege University, İzmir, Turkey
| | | | - Cansu İlke Kuru
- Department of Biochemistry, Faculty of Science, Ege University, İzmir, Turkey
| | - Kevser Kuşat
- Department of Chemistry, Faculty of Science, Dokuz Eylul University, İzmir, Turkey
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Liu X, Lu X, Su Y, Kun E, Zhang F. Clay-Polymer Nanocomposites Prepared by Reactive Melt Extrusion for Sustained Drug Release. Pharmaceutics 2020; 12:E51. [PMID: 31936176 PMCID: PMC7022276 DOI: 10.3390/pharmaceutics12010051] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/26/2019] [Accepted: 01/03/2020] [Indexed: 12/21/2022] Open
Abstract
Abstract: Clay-polymer nanocomposites have exhibited a great potential as carriers for controlled release drug delivery. This study aims to prepare exfoliated montmorillonite-Eudragit RS nanocomposites using reactive melt extrusion and investigate the influence of claying loading, clay types (sodium montmorillonite (Cloisite Na) vs. organomodified montmorillonite (Cloisite 20)) on clay-polymer interactions and drug release properties. The clays were used as the filler material at various levels in Eudragit RS and theophylline was used as the active pharmaceutical ingredient. The resulting structure of the nanocomposites was characterized using TEM (transmission electron microscopy) and XRPD (X-ray powder diffraction). The hygroscopicity of the nanocomposites was investigated using DVS (dynamic vapor sorption). The effect of the interfacial interaction between the polymer and clay sheet, the clay loading as well as the clay type on the drug release behavior were further studied by dissolution testing. TEM and XRPD data show that when the clay content is increased from 5% to 15% by weight, the nanocomposite's structure switches from a fully exfoliated state to intercalated structures or partial exfoliation with stacked clay layers. FT-IR (fourier transform infrared spectroscopy) and ssNMR (solid-state NMR) results suggest that Cloisite Na and Cloisite 20 layers exhibit different interaction strengths with polymer networks by creating compacted complex structures. The addition of nanoclay in the formulation could robustly adjust drug release profiles, and the clay concentration and type are important factors that affect the crossing-linking density of the nanocomposites by adjusting the drug release properties. This study indicates that the clay-Eudragit RS nanocomposites provide an improved oral controlled drug delivery system that minimizes the drug dosing frequency, potentially leading to improved patient compliance.
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Affiliation(s)
- Xu Liu
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
| | - Xingyu Lu
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, USA;
| | - Yongchao Su
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, USA;
| | - Eucharist Kun
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
| | - Feng Zhang
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
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Connolly M, Zhang Y, Mahri S, Brown DM, Ortuño N, Jordá-Beneyto M, Maciaszek K, Stone V, Fernandes TF, Johnston HJ. The influence of organic modification on the cytotoxicity of clay particles to keratinocytes, hepatocytes and macrophages; an investigation towards the safe use of polymer-clay nanocomposite packaging. Food Chem Toxicol 2019; 126:178-191. [PMID: 30797875 DOI: 10.1016/j.fct.2019.02.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 02/04/2019] [Accepted: 02/05/2019] [Indexed: 01/27/2023]
Abstract
Organically modified clays can be used as nanofillers in polymer-clay nanocomposites to create bio-based packaging with improved strength and barrier properties. The impact of organic modification on the physico-chemical properties and toxicity of clays has yet to be fully investigated but is essential to ensure their safe use. Two organoclays, named N116_HDTA and N116_TMSA, were prepared using a commercially available sodium bentonite clay and the organic modifiers hexadecyl trimethyl ammonium bromide (HDTA) and octadecyl trimethyl ammonium chloride (TMSA). An in vitro hazard assessment was performed using HaCaT skin cells, C3A liver cells, and J774.1 macrophage-like cells. Organic modification with HDTA and TMSA increased the hazard potential of the organoclays in all cell models, as evidenced by the higher levels of cytotoxicity measured. N116_TMSA caused the greatest loss in viability with IC50 values of 3.2, 3.6 and 6.1 μg/cm2 calculated using J774.1, HaCaT and C3A cell lines, respectively. Cytotoxic effects were dictated by the amount of free or displaced organic modifier present in the exposure suspensions. The parent bentonite clay also caused distinct cytotoxic effects in J774.1 macrophage-like cells with associated TNF-α release. Such information on the hazard profile of organoclays, can feed into risk assessments for these materials.
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Affiliation(s)
- Mona Connolly
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - Yu Zhang
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - Sohaib Mahri
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - David M Brown
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - Natalia Ortuño
- ITENE - Packaging, Transport. & Logistics Research Institute, C/ Albert Einstein, 1, Parque Tecnológico, 46980 Paterna, Valencia, Spain.
| | - Maria Jordá-Beneyto
- ITENE - Packaging, Transport. & Logistics Research Institute, C/ Albert Einstein, 1, Parque Tecnológico, 46980 Paterna, Valencia, Spain.
| | - Krystyna Maciaszek
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - Vicki Stone
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - Teresa F Fernandes
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
| | - Helinor J Johnston
- Heriot-Watt University, Riccarton Campus, Edinburgh, EH14 4AS, United Kingdom.
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Verma A, Riaz U. Spectral, thermal and morphological characteristics of ultrasonically synthesized poly(anisidine- co -phenylenediamine)/bentonite nanocomposites: A potential anti-diabetic drug carrier. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.072] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Stueckle TA, Davidson DC, Derk R, Kornberg TG, Battelli L, Friend S, Orandle M, Wagner A, Dinu CZ, Sierros KA, Agarwal S, Gupta RK, Rojanasakul Y, Porter DW, Rojanasakul L. Short-Term Pulmonary Toxicity Assessment of Pre- and Post-incinerated Organomodified Nanoclay in Mice. ACS NANO 2018; 12:2292-2310. [PMID: 29451776 PMCID: PMC6357971 DOI: 10.1021/acsnano.7b07281] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Organomodified nanoclays (ONCs) are increasingly used as filler materials to improve nanocomposite strength, wettability, flammability, and durability. However, pulmonary risks associated with exposure along their chemical lifecycle are unknown. This study's objective was to compare pre- and post-incinerated forms of uncoated and organomodified nanoclays for potential pulmonary inflammation, toxicity, and systemic blood response. Mice were exposed via aspiration to low (30 μg) and high (300 μg) doses of preincinerated uncoated montmorillonite nanoclay (CloisNa), ONC (Clois30B), their respective incinerated forms (I-CloisNa and I-Clois30B), and crystalline silica (CS). Lung and blood tissues were collected at days 1, 7, and 28 to compare toxicity and inflammation indices. Well-dispersed CloisNa caused a robust inflammatory response characterized by neutrophils, macrophages, and particle-laden granulomas. Alternatively, Clois30B, I-Clois30B, and CS high-dose exposures elicited a low grade, persistent inflammatory response. High-dose Clois30B exposure exhibited moderate increases in lung damage markers and a delayed macrophage recruitment cytokine signature peaking at day 7 followed by a fibrotic tissue signature at day 28, similar to CloisNa. I-CloisNa exhibited acute, transient inflammation with quick recovery. Conversely, high-dose I-Clois30B caused a weak initial inflammatory signal but showed comparable pro-inflammatory signaling to CS at day 28. The data demonstrate that ONC pulmonary toxicity and inflammatory potential relies on coating presence and incineration status in that coated and incinerated nanoclay exhibited less inflammation and granuloma formation than pristine montmorillonite. High doses of both pre- and post-incinerated ONC, with different surface morphologies, may harbor potential pulmonary health hazards over long-term occupational exposures.
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Affiliation(s)
- Todd A. Stueckle
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Donna C. Davidson
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Ray Derk
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Tiffany G. Kornberg
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
- Department of Basic Pharmaceutical Sciences, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Lori Battelli
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Sherri Friend
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Marlene Orandle
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Alixandra Wagner
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Cerasela Zoica Dinu
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Konstantinos A. Sierros
- Department of Mechanical and Aerospace Engineering, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Sushant Agarwal
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Rakesh K. Gupta
- Department of Chemical and Biomedical Engineering, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Yon Rojanasakul
- Department of Basic Pharmaceutical Sciences, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Dale W. Porter
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
| | - Liying Rojanasakul
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia 26505, United States
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Alkrad JA, Abu Shmeis R, Alshwabkeh I, Abazid H, Mohammad MA. Investigation of the potential application of sodium bentonite as an excipient in formulation of sustained release tablets. Asian J Pharm Sci 2017; 12:259-265. [PMID: 32104337 PMCID: PMC7032171 DOI: 10.1016/j.ajps.2017.01.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 01/23/2017] [Indexed: 11/25/2022] Open
Abstract
In this study, the application of sodium bentonite (SB) in formulation of tablets prepared by direct compression for oral administration was tested. Three different model drugs with different solubilities: paracetamol, diclofenac sodium and metformin HCl were tested. Each drug was mixed with SB at ratio of 50% and the mixtures were subsequently compressed. Compatibility studies were conducted using both Deferential Scanning Calorimeter (DSC) and Fourier Transform Infrared Spectroscopy (FTIR). The dissolution profile for each drug was determined in USP-buffers at different time intervals. Diclofenac sodium in pH 6.8 buffer and paracetamol in both pH 6.8 and pH 4.5 buffers showed extended release. However, metformin HCl showed immediate release at the different pH values. The study showed that using SB was possible to prepare tablets with different release profiles. However, these profiles differ depending on dissolution media and drug type.
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Affiliation(s)
| | - Reham Abu Shmeis
- Faculty of Pharmacy, Isra University, PO Box 22 and 23, Amman, Jordan
| | - Iyad Alshwabkeh
- Faculty of Pharmacy, Isra University, PO Box 22 and 23, Amman, Jordan
| | - Husam Abazid
- Faculty of Pharmacy, Department of Clinical Pharmacy & Therapeutics, Applied science Private University, Amman, Jordan
| | - Mohammad Amin Mohammad
- Faculty of Pharmacy, Isra University, PO Box 22 and 23, Amman, Jordan.,School of Pharmacy, University of Bradford, Bradford BD7 1DP, UK
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Maisanaba S, Pichardo S, Puerto M, Gutiérrez-Praena D, Cameán AM, Jos A. Toxicological evaluation of clay minerals and derived nanocomposites: a review. ENVIRONMENTAL RESEARCH 2015; 138:233-254. [PMID: 25732897 DOI: 10.1016/j.envres.2014.12.024] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 12/22/2014] [Accepted: 12/24/2014] [Indexed: 05/29/2023]
Abstract
Clays and clay minerals are widely used in many facets of our society. This review addresses the main clays of each phyllosilicate groups, namely, kaolinite, montmorillonite (Mt) and sepiolite, placing special emphasis on Mt and kaolinite, which are the clays that are more frequently used in food packaging, one of the applications that are currently exhibiting higher development. The improvements in the composite materials obtained from clays and polymeric matrices are remarkable and well known, but the potential toxicological effects of unmodified or modified clay minerals and derived nanocomposites are currently being investigated with increased interest. In this sense, this work focused on a review of the published reports related to the analysis of the toxicological profile of commercial and novel modified clays and derived nanocomposites. An exhaustive review of the main in vitro and in vivo toxicological studies, antimicrobial activity assessments, and the human and environmental impacts of clays and derived nanocomposites was performed. From the analysis of the scientific literature different conclusions can be derived. Thus, in vitro studies suggest that clays in general induce cytotoxicity (with dependence on the clay, concentration, experimental system, etc.) with different underlying mechanisms such as necrosis/apoptosis, oxidative stress or genotoxicity. However, most of in vivo experiments performed in rodents showed no clear evidences of systemic toxicity even at doses of 5000mg/kg. Regarding to humans, pulmonary exposure is the most frequent, and although clays are usually mixed with other minerals, they have been reported to induce pneumoconiosis per se. Oral exposure is also common both intentionally and unintentionally. Although they do not show a high toxicity through this pathway, toxic effects could be induced due to the increased or reduced exposure to mineral elements. Finally, there are few studies about the effects of clay minerals on wildlife, with laboratory trials showing contradictory outcomes. Clay minerals have different applications in the environment, thus with a strict control of the concentrations used, they can provide beneficial uses. Despite the extensive number of reports available, there is also a need of systematic in vitro-in vivo extrapolation studies, with still scarce information on toxicity biomarkers such as inmunomodulatory effects or alteration of the genetic expression. In conclusion, a case by case toxicological evaluation is required taking into account that different clays have their own toxicological profiles, their modification can change this profile, and the potential increase of the human/environmental exposure to clay minerals due to their novel applications.
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Affiliation(s)
- Sara Maisanaba
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, Profesor García González 2, 41012 Sevilla, Spain
| | - Silvia Pichardo
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, Profesor García González 2, 41012 Sevilla, Spain
| | - María Puerto
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, Profesor García González 2, 41012 Sevilla, Spain
| | - Daniel Gutiérrez-Praena
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, Profesor García González 2, 41012 Sevilla, Spain
| | - Ana M Cameán
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, Profesor García González 2, 41012 Sevilla, Spain
| | - Angeles Jos
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, Profesor García González 2, 41012 Sevilla, Spain.
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