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Canup B, Rogers P, Paredes A, Manheng W, Lyn-Cook B, Fahmi T. Investigation of sex-based differences in the immunotoxicity of silver nanoparticles. Nanotoxicology 2024; 18:134-159. [PMID: 38444264 DOI: 10.1080/17435390.2024.2323070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/21/2024] [Indexed: 03/07/2024]
Abstract
The growing application of silver nanoparticles (AgNPs) in consumer, healthcare, and industrial products has raised concern over potential health implications due to increasing exposure. The evaluation of the immune response to nanomaterials is one of the key criteria to assess their biocompatibility. There are well-recognized sex-based differences in innate and adaptive immune responses. However, there is limited information available using human models. The aim was to investigate the potential sex-based differences in immune functions after exposure to AgNPs using human peripheral blood mononuclear cells (PBMCs) and plasma from healthy donors. These functions include inflammasome activation, cytokine expression, leukocyte proliferation, chemotaxis, plasma coagulation, and complement activation. AgNPs were characterized by dynamic light scattering and transmission electron microscopy. Inflammasome activation by AgNPs was measured after 6- and 24-hours incubations. AgNPs-induced inflammasome activation was significantly higher in the females, especially for the 6-hour exposure. No sex-based differences were observed for Ag ions controls. Younger donors exhibited significantly more inflammasome activation than older donors after 24-hours exposure. IL-10 was significantly suppressed in males and females after exposure. AgNPs suppressed leukocyte proliferation similarly in males and females. No chemoattractant effects, no alterations in plasma coagulation, or activation of the complement were observed after AgNPs exposure. In conclusion, the results highlight that there are distinct sex-based differences in inflammasome activation after exposure to AgNPs in human PBMCs. The results highlight the importance of considering sex-based differences in inflammasome activation induced by exposure to AgNPs in any future biocompatibility assessment for products containing AgNPs.
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Affiliation(s)
- Brandon Canup
- Division of Biochemical Toxicology, Office of Research, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, USA
| | - Paul Rogers
- Division of Bioinformatics and Biostatistics, Office of Research, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, USA
| | - Angel Paredes
- Nanotechnology Core Facility, Office of Scientific Coordination, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, USA
| | - Wimolnut Manheng
- Division of Hematology Oncology Toxicology, Office of Oncologic Diseases, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Beverly Lyn-Cook
- Division of Biochemical Toxicology, Office of Research, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, USA
| | - Tariq Fahmi
- Division of Biochemical Toxicology, Office of Research, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, USA
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2
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Dhiman NK, Reddy MS, Agnihotri S. Graphene oxide reinforced chitosan/polyvinyl alcohol antibacterial coatings on stainless steel surfaces exhibit superior bioactivity without human cell cytotoxicity. Colloids Surf B Biointerfaces 2023; 227:113362. [PMID: 37257298 DOI: 10.1016/j.colsurfb.2023.113362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 05/11/2023] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
The study proposes an alternative therapeutics to diminish bacterial attachment in biomedical implants by modifying their surface with passive coatings. A uniform, thin-film of chitosan/polyvinyl alcohol/graphene oxide (CS/PVA/GO) was coated on 316 L stainless steel (SS) surface through spread casting followed by solvent evaporation. The abundant anchoring sites available at macromolecular interfaces of chitosan/PVA matrix facilitated a smooth, dense loading of GO. The effect of GO content on physicochemical features, antibacterial potential, and biocompatibility of coatings was thoroughly studied. The hybrid films displayed good adhesion behavior, and UV-protection ability with desired mechanical and thermal stability when coated on SS surface. Coatings manifested a 1.5-1.7 fold rise in antibacterial efficacy against Staphylococcus epidermidis and Staphylococcus aureus and exhibited a permanent biocidal response after 6 h of contact-active behaviour. We investigated a 3-fold generation of reactive oxygen species as the predominant antibacterial mechanism, which diminishes bacterial integrity by inducing protein leakage (8.5-9 fold higher) and suppressing respiratory chain activity as two secondary mechanisms. All coatings with varying GO content appeared non-haemolytic (<2%) with ultra-low cytotoxicity (<29.08%) against human hepatocellular carcinoma (HepG2) and peripheral blood mononuclear cells. The degradation rate of coatings in simulated body fluid exhibited a higher stability, indicated by a lower weight loss (69-78%) and a decrease in pH values as the GO content in coatings increased from 0.05 to 0.15 wt%. Such anti-infective coating is a step forward in inhibiting bacterial colonization on SS surfaces to extend its lifespan.
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Affiliation(s)
- Navneet Kaur Dhiman
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Bhadson Road, Patiala 147004, Punjab, India
| | - M Sudhakara Reddy
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Bhadson Road, Patiala 147004, Punjab, India
| | - Shekhar Agnihotri
- Department of Agriculture and Environmental Sciences, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat, Haryana 131028, India; Centre for Advanced Translational Research in Food Nano-Biotechnology (CATR-FNB), National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat, Haryana 131028, India.
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3
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Singh P, Ali SW, Kale RD. Antimicrobial Nanomaterials as Advanced Coatings for Self-Sanitizing of Textile Clothing and Personal Protective Equipment. ACS OMEGA 2023; 8:8159-8171. [PMID: 36910928 PMCID: PMC9996805 DOI: 10.1021/acsomega.2c06343] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
Controlling bioaerosols has become increasingly critical in affecting human health. Natural product treatment in the nano form is a potential method since it has lower toxicity than inorganic nanomaterials like silver nanoparticles. This research is important for the creation of a bioaerosol control system that is effective. Nanoparticles (NPs) are gradually being employed to use bacteria as a nonantibiotic substitute for treating bacterial infections. The present study looks at nanoparticles' antimicrobial properties, their method of action, their impact on drug-opposing bacteria, and the hazards connected with their operation as antimicrobial agents. The aspects that influence nanoparticle conduct in clinical settings, as well as their distinctive features and mode of action as antibacterial assistants, are thoroughly examined. Nanoparticles' action on bacterial cells is presently accepted by way of the introduction of oxidative stress induction, metal-ion release, and nonoxidative methods. Because many concurrent mechanisms of action against germs would necessitate multiple simultaneous gene modifications in the same bacterial cell for antibacterial protection to evolve, bacterial cells developing resistance to NPs is difficult. This review discusses the antimicrobial function of NPs against microbes and presents a comprehensive discussion of the bioaerosols: their origin, hazards, and their prevention. This state of the art method is dependent upon the use of personal protective gear against these bioaerosols. The benefit of the utmost significant categories of metal nanoparticles as antibacterial agents is given important consideration. The novelty of this review depends upon the antimicrobial properties of (a) silver (Ag), (b) zinc oxide (ZnO), and (c) copper oxide (CuO) nanoparticles. The value-added features of these nanoparticles are discussed, as well as their physicochemical characterization and pharmacokinetics, including the toxicological danger they pose to people. Lastly, the effective role of nanomaterials and their future in human wellness is discussed.
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Affiliation(s)
- Preeti Singh
- Fibers
& Textile Processing Technology, Institute
of Chemical Technology, Mumbai, India
- Department
of Textile and Fibre Engineering, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - S. Wazed Ali
- Department
of Textile and Fibre Engineering, Indian
Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Ravindra D. Kale
- Fibers
& Textile Processing Technology, Institute
of Chemical Technology, Mumbai, India
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4
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Fahad ND, Radhi NS, Al-Khafaji ZS, Diwan AA. Surface modification of hybrid composite multilayers spin cold spraying for biomedical duplex stainless steel. Heliyon 2023; 9:e14103. [PMID: 36938400 PMCID: PMC10015213 DOI: 10.1016/j.heliyon.2023.e14103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
The performance of biomaterials in biological systems is of critical significance for advancing biomedical implants. Duplex Stainless Steel alloys are the major biomaterials due to their significant characteristics. Many functional coatings are deposited on DSS alloy surfaces utilizing numerous surface coating techniques to improve their bioactivity and protect them from corrosion degradations. Coatings of titanium dioxide (TiO2), Hydroxyapatite (HA), and zinc oxide (ZnO) have received considerable attention in the field of surface bioactive modification of DSS alloy implants. The coating techniques play a key role in increasing the required biological characteristics of DSS alloys, such as biocompatibility, mechanical properties, and corrosion resistance. In this regard, HA-ZnO, HA-TiO2, and TiO2-ZnO from each coating group are divided into single, double, and triple layers. These coatings were prepared by cold spray and deposited on the surface of the DSS alloy, followed by a heat treatment at 250 °C. The surface morphology of coated surfaces was analyzed utilizing field emission scanning electron microscopy (FESEM), atomic force microscopic (AFM), microhardness test, corrosion test in Ringer solution, and antibacterial test. The coatings showed nano-scale surface morphology with advanced crystallization and homogeneous structures; in the corrosion characteristics utilizing potentiodynamic polarization, triple layers of HA-ZnO coatings displayed advanced nanostructures with higher hardness values (514.75HV). The antibacterial test showed the triple layers of HA-TiO2 and two layers of TiO2-ZnO sensitivity to positive bacteria.
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Affiliation(s)
| | | | - Zainab S. Al-Khafaji
- Building and Construction Techniques Engineering Department, AL-Mustaqbal University College, Hillah 51001, Iraq
- Department of Civil Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
- Corresponding author. Building and Construction Techniques Engineering Department, AL-Mustaqbal University College, Hillah 51001, Iraq.
| | - Abass Ali Diwan
- Nanotechnology and Advanced Materials Research Unit, Faculty of Engineering, University of Kufa. Iraq
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5
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Xiao J, Sun Q, Ran L, Wang Y, Qin X, Xu X, Tang C, Liu L, Zhang G. pH-Responsive Selenium Nanoplatform for Highly Efficient Cancer Starvation Therapy by Atorvastatin Delivery. ACS Biomater Sci Eng 2023; 9:809-820. [PMID: 36622161 DOI: 10.1021/acsbiomaterials.2c01500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Recently, starvation-inducing nutrient deprivation has been regarded as a promising strategy for tumor suppression. As a first-line lipid-lowering drug, atorvastatin (ATV) significantly reduces caloric intake, suggesting its potential in starvation therapy for suppressing tumors. Accordingly, we developed a novel starvation therapy agent (HA-Se-ATV) in this study to suppress tumor growth by using hyaluronic acid (HA)-conjugated chitosan polymer-coated nano-selenium (Se) for loading ATV. HA-Se-ATV targets cancer cells, following which it effectively accumulates in the tumor tissue. The HA-Se-ATV nanoplatform was then activated by inducing a weakly acidic tumor microenvironment and subsequently releasing ATV. ATV and Se synergistically downregulate the levels of cellular adenosine triphosphate while inhibiting the expression of thioredoxin reductase 1. Consequently, the starvation-stress reaction of cancer cells is significantly elevated, leading to cancer cell death. Furthermore, the in vivo results indicate that HA-Se-ATV effectively suppresses tumor growth with a low level of toxicity, demonstrating its great potential for clinical translation.
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Affiliation(s)
- Jianmin Xiao
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
| | - Qiong Sun
- Department of Stomatology, PLA Strategic Support Force Medical Center, Beijing100101, China
| | - Lang Ran
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
| | - Yinfeng Wang
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
| | - Xia Qin
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
| | - Xiaotong Xu
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
| | - Chuhua Tang
- Department of Stomatology, PLA Strategic Support Force Medical Center, Beijing100101, China
| | - Lu Liu
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
| | - Guilong Zhang
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai264003, P. R. China
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6
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Aljabali AA, Obeid MA, Bashatwah RM, Serrano-Aroca Á, Mishra V, Mishra Y, El-Tanani M, Hromić-Jahjefendić A, Kapoor DN, Goyal R, Naikoo GA, Tambuwala MM. Nanomaterials and Their Impact on the Immune System. Int J Mol Sci 2023; 24:ijms24032008. [PMID: 36768330 PMCID: PMC9917130 DOI: 10.3390/ijms24032008] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023] Open
Abstract
Nanomaterials have been the focus of intensive development and research in the medical and industrial sectors over the past several decades. Some studies have found that these compounds can have a detrimental impact on living organisms, including their cellular components. Despite the obvious advantages of using nanomaterials in a wide range of applications, there is sometimes skepticism caused by the lack of substantial proof that evaluates potential toxicities. The interactions of nanoparticles (NPs) with cells of the immune system and their biomolecule pathways are an area of interest for researchers. It is possible to modify NPs so that they are not recognized by the immune system or so that they suppress or stimulate the immune system in a targeted manner. In this review, we look at the literature on nanomaterials for immunostimulation and immunosuppression and their impact on how changing the physicochemical features of the particles could alter their interactions with immune cells for the better or for the worse (immunotoxicity). We also look into whether the NPs have a unique or unexpected (but desired) effect on the immune system, and whether the surface grafting of polymers or surface coatings makes stealth nanomaterials that the immune system cannot find and get rid of.
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Affiliation(s)
- Alaa A. Aljabali
- Faculty of Pharmacy, Department of Pharmaceutics and Pharmaceutical Technology, Yarmouk University, P.O. Box 566, Irbid 21163, Jordan
- Correspondence: (A.A.A.); (M.M.T.)
| | - Mohammad A. Obeid
- Faculty of Pharmacy, Department of Pharmaceutics and Pharmaceutical Technology, Yarmouk University, P.O. Box 566, Irbid 21163, Jordan
| | - Rasha M. Bashatwah
- Faculty of Pharmacy, Department of Pharmaceutics and Pharmaceutical Technology, Yarmouk University, P.O. Box 566, Irbid 21163, Jordan
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Lab., Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia, San Vicente Mártir, 46001 Valencia, Spain
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Yachana Mishra
- Department of Zoology, School of Bioengineering and Bioscience, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Mohamed El-Tanani
- Pharmacological and Diagnostic Research Centre, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Altijana Hromić-Jahjefendić
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, International University of Sarajevo, Hrasnicka Cesta 15, 71000 Sarajevo, Bosnia and Herzegovina
| | - Deepak N. Kapoor
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India
| | - Rohit Goyal
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India
| | - Gowhar A. Naikoo
- Department of Mathematics and Sciences, College of Arts and Applied Sciences, Dhofar University, Salalah PC 211, Oman
| | - Murtaza M. Tambuwala
- Lincoln Medical School, University of Lincoln, Brayford Pool Campus, Lincoln LN6 7TS, UK
- Correspondence: (A.A.A.); (M.M.T.)
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7
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In vitro and in silico studies of silver nanoparticles (AgNPs) from Allium sativum against diabetes. Sci Rep 2022; 12:22109. [PMID: 36543812 PMCID: PMC9772310 DOI: 10.1038/s41598-022-24818-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 11/21/2022] [Indexed: 12/24/2022] Open
Abstract
In the present study, the silver nanoparticles (AgNPs) were synthesized from the bulbs of Allium sativum, characterized by UV-visible spectroscopy, FT-IR, SEM, HR-TEM, EDAX analysis and investigated its action on the inhibition of starch digestion. The results proved that the biosynthesized nanoparticles were uniformly dispersed, spherical shaped with the size ranging from 10 to 30 nm. The phytochemical and FT-IR analysis showed the presence of phenols, terpenoids, and amino acids in the synthesized AgNPs. The cytotoxicity analysis revealed that the synthesized AgNPs were non-toxic to the normal cells. The synthesized AgNPs exhibited significant free radical scavenging activity. The in vitro antidiabetic activity showed that the synthesized AgNPs increased glucose utilization, decreased hepatic glucose production, inhibited the activity of starch digestive enzymes such as α-amylase and α-glucosidase, and were not involved in the stimulation of pancreatic cells for the secretion of insulin. The in silico antidiabetic activity analysis (molecular docking) also revealed that the silver atoms of the AgNPs interacted with the amino acid residues of α-amylase, α-glucosidase, and insulin. The present study proved that the AgNPs synthesized from A. sativum have prominent antidiabetic activity in terms of reducing the hyperglycemia through the increased glucose utilization, decreased hepatic glucose production, and the inhibition of α-amylase and α-glucosidase enzymes. So it can be used as a promising nanomedicine for the treatment of diabetes.
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8
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Yang X, Yu Q, Gao W, Tang X, Yi H, Tang X. The mechanism of metal-based antibacterial materials and the progress of food packaging applications: A review. CERAMICS INTERNATIONAL 2022; 48:34148-34168. [PMID: 36059853 PMCID: PMC9419445 DOI: 10.1016/j.ceramint.2022.08.249] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/10/2022] [Accepted: 08/23/2022] [Indexed: 05/13/2023]
Abstract
Food packages have been detected carrying novel coronavirus in multi-locations since the outbreak of COVID-19, causing major concern in the field of food safety. Metal-based supported materials are widely used for sterilization due to their excellent antibacterial properties as well as low biological resistance. As the principal part of antibacterial materials, the active component, commonly referred to Ag, Cu, Zn, etc., plays the main role in inhibiting and killing pathogenic microorganisms by destroying the structure of cells. As another composition of metal-based antibacterial materials, the carrier could support and disperse the active component, which on one hand, could effectively decrease the usage amount of active component, on the other hand, could be processed into various forms to broaden the application range of antibacterial materials. Different from other metal-based antibacterial reviews, in order to highlight the detailed function of various carriers, we divided the carriers into biocompatible and adsorptable types and discussed their different antibacterial effects. Moreover, a novel substitution antibacterial mechanism was proposed. The coating and shaping techniques of metal-based antibacterial materials as well as their applications in food storage at ambient and low temperatures are also comprehensively summarized. This review aims to provide a theoretical basis and reference for researchers in this field to develop new metal-based antibacterial materials.
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Affiliation(s)
- Xiaotong Yang
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Qingjun Yu
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Wei Gao
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xiaoning Tang
- Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
| | - Honghong Yi
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
| | - Xiaolong Tang
- Department of Environmental Science and Engineering, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing, 100083, China
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9
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El Guerraf A, Jadi SB, Ziani I, Dalli M, Sher F, Bazzaoui M, Bazzaoui EA. Multifunctional Smart Conducting Polymers–Silver Nanocomposites-Modified Biocellulose Fibers for Innovative Food Packaging Applications. Ind Eng Chem Res 2022; 62:4540-4553. [PMID: 36975772 PMCID: PMC10037320 DOI: 10.1021/acs.iecr.2c01327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 07/14/2022] [Accepted: 08/02/2022] [Indexed: 11/28/2022]
Abstract
In recent decades, food-packaging markets have attracted researchers' interest in many ways because such industries can directly affect human health. In this framework, the present study emphasizes the interesting and smart properties provided by new nanocomposites based on conducting polymers (CPs), silver nanoparticles (AgNPs), and cellulose fibers (CFs) and their possible applications as active food packaging. Polyaniline and poly(3,4-ethylenedioxythiophene) containing AgNPs were elaborated on via a simple one-step in situ chemical oxidative polymerization on CFs. Spectroscopic and microscopic characterization allowed a full discussion of the morphology and chemical structure of the nanocomposites and confirmed the successful polymerization of the monomer as well as the incorporation of AgNPs into the CP-based formulation. This study aims to demonstrate that it is possible to produce a highly efficient package with enhanced protective properties. Thus, the synthesized nanocomposites were tested as volatile organic compounds, sensors, and antibacterial and antioxidant agents. It is shown that the elaborated materials can, on the one hand, inhibit the development of biofilms and decrease the oxidation reaction rate of foodstuffs and, on the other hand, detect toxic gases generated by spoiled food. The presented method has unlocked massive opportunities for using such formulations as an interesting alternative for classical food containers. The smart and novel properties offered by the synthesized composites can be operated for future industrial applications to prevent any degradation of the packaged products by offering optimum protection and creating an atmosphere that can extend the shelf life of foodstuffs.
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Affiliation(s)
- Abdelqader El Guerraf
- Laboratory of Applied Chemistry and Environment, Faculty of Sciences, Mohammed First University, Oujda 60000, Morocco
| | - Sana Ben Jadi
- Laboratory of Materials and Environmental, Faculty of Sciences, Ibn Zohr University, 885 Agadir 80000, Morocco
| | - Imane Ziani
- Physical Chemistry of Natural Substances and Process Research Team, Laboratory of Applied Chemistry and Environment, Faculty of Sciences, Mohammed First University, Oujda 60000, Morocco
| | - Mohammed Dalli
- Laboratory of Bioresources, Biotechnology, Ethnopharmacology and Health, Faculty of Sciences, Mohammed First University, Oujda 60000, Morocco
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, United Kingdom
| | - Mohammed Bazzaoui
- Laboratory of Materials and Environmental, Faculty of Sciences, Ibn Zohr University, 885 Agadir 80000, Morocco
| | - El Arbi Bazzaoui
- Laboratory of Applied Chemistry and Environment, Faculty of Sciences, Mohammed First University, Oujda 60000, Morocco
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10
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Prasad A, Khatua A, Mohanta YK, Saravanan M, Meena R, Ghosh I. Low-dose exposure to phytosynthesized gold nanoparticles combined with glutamine deprivation enhances cell death in the cancer cell line HeLa via oxidative stress-mediated mitochondrial dysfunction and G0/G1 cell cycle arrest. NANOSCALE 2022; 14:10399-10417. [PMID: 35819245 DOI: 10.1039/d2nr02150a] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cancer cells use nutrients like D-glucose (Glc) and L-glutamine (Q) more efficiently for their development. This increased nutritional dependency of malignant cells has been commonly employed in various in vitro and in vivo models of anticancer therapies. This study utilized a combination of a low dose (25 μg mL-1) of S2, a phytosynthesized gold nanoparticle (AuNP) that was previously proven to be non-toxic, and deprivation of extracellular glutamine as an anticancer strategy in the human cervical cancer cell line HeLa. We discovered that 24 h Q deprivation led to a less significant decrease in the viability of HeLa cells while a low dose of S2 caused a non-significant reduction in the viability of HeLa cells. However, combining these two treatments resulted in highly significant inhibition of cell growth, as measured by the MTT test and morphological examination. Glutamine starvation in HeLa cells was found to induce cellular uptake of S2 via clathrin-mediated endocytosis, thus facilitating the improved antitumor effects of the combined treatment. Flow cytometry-based assays using fluorescent probes H2DCFDA and MitoSOX Red confirmed that this combination therapy involved the development of oxidative stress conditions owing to a surplus of cytosolic reactive oxygen species (cytoROS) and mitochondrial superoxide (mtSOX) generation. Furthermore, the investigated combinatorial treatment also indicated mitochondrial inactivity and disintegration, as evidenced by the drop in the mitochondrial membrane potential (Δψm) and the decrease in the mitochondrial mass (mtMass) in a flow-cytometric assay utilizing the probes. Tetramethylrhodamine ethyl ester and MitoTracker Green FM, respectively. Cell cycle arrest in the G0/G1 phase, induction of cell death via apoptosis/necrosis, and inhibition of migration capacities of HeLa cells were also seen after the combined treatment. Thus, this research provides insight into a new combinatorial approach for reducing the dose of nanoparticles and increasing their efficacy to better inhibit the growth of human cervical cancer cells by leveraging their extracellular glutamine dependence.
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Affiliation(s)
- Abhinav Prasad
- Biochemistry and Environmental Toxicology Laboratory, Lab#103, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
| | - Ashapurna Khatua
- Nanotoxicology Laboratory, Lab#312, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
| | - Yugal Kishore Mohanta
- Department of Applied Biology, School of Biological Sciences University of Science and Technology Meghalaya, Ri-Bhoi-793101, India.
| | - Muthupandian Saravanan
- AMR and Nanotherapeutics Laboratory, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600077, India.
| | - Ramovatar Meena
- Nanotoxicology Laboratory, Lab#312, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
| | - Ilora Ghosh
- Biochemistry and Environmental Toxicology Laboratory, Lab#103, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
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11
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Anand U, Carpena M, Kowalska-Góralska M, Garcia-Perez P, Sunita K, Bontempi E, Dey A, Prieto MA, Proćków J, Simal-Gandara J. Safer plant-based nanoparticles for combating antibiotic resistance in bacteria: A comprehensive review on its potential applications, recent advances, and future perspective. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 821:153472. [PMID: 35093375 DOI: 10.1016/j.scitotenv.2022.153472] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/22/2022] [Accepted: 01/24/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Antibiotic resistance is one of the current threats to human health, forcing the use of drugs that are more noxious, costlier, and with low efficiency. There are several causes behind antibiotic resistance, including over-prescription of antibiotics in both humans and livestock. In this scenario, researchers are shifting to new alternatives to fight back this concerning situation. SCOPE AND APPROACH Nanoparticles have emerged as new tools that can be used to combat deadly bacterial infections directly or indirectly to overcome antibiotic resistance. Although nanoparticles are being used in the pharmaceutical industry, there is a constant concern about their toxicity toward human health because of the involvement of well-known toxic chemicals (i.e., sodium/potassium borohydride) making their use very risky for eukaryotic cells. KEY FINDINGS AND CONCLUSIONS Multiple nanoparticle-based approaches to counter bacterial infections, providing crucial insight into the design of elements that play critical roles in the creation of antimicrobial nanotherapeutic drugs, are currently underway. In this context, plant-based nanoparticles will be less toxic than many other forms, which constitute promising candidates to avoid widespread damage to the microbiome associated with current practices. This article aims to review the actual knowledge on plant-based nanoparticle products for antibiotic resistance and the possible replacement of antibiotics to treat multidrug-resistant bacterial infections.
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Affiliation(s)
- Uttpal Anand
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.
| | - M Carpena
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
| | - Monika Kowalska-Góralska
- Department of Limnology and Fisheries, Institute of Animal Husbandry and Breeding, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland.
| | - P Garcia-Perez
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
| | - Kumari Sunita
- Department of Botany, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, Uttar Pradesh 273009, India
| | - Elza Bontempi
- INSTM and Chemistry for Technologies Laboratory, Department of Mechanical and Industrial Engineering, University of Brescia, Via Branze, 38, 25123 Brescia, Italy.
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata, 700073, West Bengal, India.
| | - Miguel A Prieto
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
| | - Jarosław Proćków
- Department of Plant Biology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, ul. Kożuchowska 7a, 51-631 Wrocław, Poland.
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E32004 Ourense, Spain.
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Influence of Different Nanometals Implemented in PMMA Bone Cement on Biological and Mechanical Properties. NANOMATERIALS 2022; 12:nano12050732. [PMID: 35269220 PMCID: PMC8911740 DOI: 10.3390/nano12050732] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/15/2021] [Accepted: 02/11/2022] [Indexed: 01/27/2023]
Abstract
Cemented arthroplasty is a common process to fix prostheses when a patient becomes older and his/her bone quality deteriorates. The applied cements are biocompatible, can transfer loads, and dampen vibrations, but do not provide antibacterial protection. The present work is aimed at the development of cement with antibacterial effectivity achieved with the implementation of nanoparticles of different metals. The powders of Ag, Cu with particles size in a range of 10–30 nm (Cu10) and 70–100 nm (Cu70), AgCu, and Ni were added to PMMA cement. Their influence on compression strength, wettability, and antibacterial properties of cement was assessed. The surface topography of samples was examined with biological and scanning electron microscopy. The mechanical properties were determined by compression tests. A contact angle was observed with a goniometer. The biological tests included an assessment of cytotoxicity (XTT test on human cells Saos-2 line) and bacteria viability exposure (6 months). The cements with Ag and Cu nanopowders were free of bacteria. For AgCu and Ni nanoparticles, the bacterial solution became denser over time and, after 6 months, the bacteria clustered into conglomerates, creating a biofilm. All metal powders in their native form in direct contact reduce the number of eukaryotic cells. Cell viability is the least limited by Ag and Cu particles of smaller size. All samples demonstrated hydrophobic nature in the wettability test. The mechanical strength was not significantly affected by the additions of metal powders. The nanometal particles incorporated in PMMA-based bone cement can introduce long-term resistance against bacteria, not resulting in any serious deterioration of compression strength.
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Castañeda-Yslas IY, Torres-Bugarín O, García-Ramos JC, Toledano-Magaña Y, Radilla-Chávez P, Bogdanchikova N, Pestryakov A, Ruiz-Ruiz B, Arellano-García ME. AgNPs Argovit™ Modulates Cyclophosphamide-Induced Genotoxicity on Peripheral Blood Erythrocytes In Vivo. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2096. [PMID: 34443926 PMCID: PMC8399516 DOI: 10.3390/nano11082096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/05/2021] [Accepted: 08/13/2021] [Indexed: 11/16/2022]
Abstract
Silver nanoparticles (AgNPs) have been studied worldwide for their potential biomedical applications. Specifically, they are proposed as a novel alternative for cancer treatment. However, the determination of their cytotoxic and genotoxic effects continues to limit their application. The commercially available silver nanoparticle Argovit™ has shown antineoplastic, antiviral, antibacterial, and tissue regenerative properties, activities triggered by its capacity to promote the overproduction of reactive oxygen species (ROS). Therefore, in this work, we evaluated the genotoxic and cytotoxic potential of the Argovit™ formulation (average size: 35 nm) on BALB/c mice using the micronucleus in a peripheral blood erythrocytes model. Besides, we evaluated the capability of AgNPs to modulate the genotoxic effect induced by cyclophosphamide (CP) after the administration of the oncologic agent. To achieve this, 5-6-week-old male mice with a mean weight of 20.11 ± 2.38 g were treated with water as negative control (Group 1), an single intraperitoneal dose of CP (50 mg/kg of body weight, Group 2), a daily oral dose of AgNPs (6 mg/kg of weight, Group 3) for three consecutive days, or a combination of these treatment schemes: one day of CP doses (50 mg/kg of body weight) followed by three doses of AgNPs (one dose per day, Group 4) and three alternate doses of CP and AgNPs (six days of exposure, Group 5). Blood samples were taken just before the first administration (0 h) and every 24 h for seven days. Our results show that Argovit™ AgNPs induced no significant cytotoxic or acute genotoxic damage. The observed cumulative genotoxic damage in this model could be caused by the accumulation of AgNPs due to administered consecutive doses. Furthermore, the administration of AgNPs after 24 h of CP seems to have a protective effect on bone marrow and reduces by up to 50% the acute genotoxic damage induced by CP. However, this protection is not enough to counteract several doses of CP. To our knowledge, this is the first time that the exceptional chemoprotective capacity produced by a non-cytotoxic silver nanoparticle formulation against CP genotoxic damage has been reported. These findings raise the possibility of using AgNPs as an adjuvant agent with current treatments, reducing adverse effects.
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Affiliation(s)
- Idalia Yazmin Castañeda-Yslas
- Programa de Maestría y Doctorado en Ciencias e Ingeniería (MyDCI), Facultad de Ciencias, Universidad Autónoma de Baja California, Ensenada 22860, Baja California, Mexico;
| | - Olivia Torres-Bugarín
- Departamento de Ciclo de Vida y Medicina Interna II, Decanato Ciencias de la Salud, Universidad Autónoma de Guadalajara, Zapopan 45129, Jalisco, Mexico;
| | - Juan Carlos García-Ramos
- Escuela de Ciencias de la Salud Unidad Valle Dorado, Universidad Autónoma de Baja California, Ensenada 22890, Baja California, Mexico; (Y.T.-M.); (P.R.-C.)
| | - Yanis Toledano-Magaña
- Escuela de Ciencias de la Salud Unidad Valle Dorado, Universidad Autónoma de Baja California, Ensenada 22890, Baja California, Mexico; (Y.T.-M.); (P.R.-C.)
| | - Patricia Radilla-Chávez
- Escuela de Ciencias de la Salud Unidad Valle Dorado, Universidad Autónoma de Baja California, Ensenada 22890, Baja California, Mexico; (Y.T.-M.); (P.R.-C.)
| | - Nina Bogdanchikova
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Ensenada 22860, Baja California, Mexico;
| | - Alexey Pestryakov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Balam Ruiz-Ruiz
- Departamento de Ciencias de la Salud, Unidad Regional Los Mochis, Universidad Autónoma de Occidente, Los Mochis 81223, Sinaloa, Mexico;
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14
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Allawadhi P, Singh V, Khurana A, Khurana I, Allwadhi S, Kumar P, Banothu AK, Thalugula S, Barani PJ, Naik RR, Bharani KK. Silver nanoparticle based multifunctional approach for combating COVID-19. SENSORS INTERNATIONAL 2021; 2:100101. [PMID: 34766057 PMCID: PMC8169222 DOI: 10.1016/j.sintl.2021.100101] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/14/2021] [Accepted: 05/15/2021] [Indexed: 12/14/2022] Open
Abstract
COVID-19 is a highly contagious and widespread disease that has strained the global healthcare system to the hilt. Silver nanoparticles (AgNPs) are well known for their potent antimicrobial, antiviral, immunomodulatory and biosensing properties. AgNPs have been found to be potential antiviral agent that act against many deadly viruses and is presumed to be effective against COVID-19. AgNPs can generate free radicals and reactive oxygen species (ROS) leading to apoptosis mediated cell death thereby inhibiting viral infection. The shape and size of AgNPs play an important role in its biomedical applications as alterations may result in variable biological interaction and activity. Herein, we propose that AgNPs can be utilized for effective management of the ongoing COVID-19 pandemic by highlighting the current status of AgNPs in the fight against COVID-19.
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Affiliation(s)
- Prince Allawadhi
- Department of Pharmacy, Vaish Institute of Pharmaceutical Education and Research (VIPER), Pandit Bhagwat Dayal Sharma University of Health Sciences (Pt. B. D. S. UHS), Rohtak - 124001, Haryana, India
| | - Vishakha Singh
- Department of Biotechnology, Indian Institute of Technology (IIT) Roorkee, Roorkee - 247667, Uttarakhand, India
| | - Amit Khurana
- Centre for Biomedical Engineering (CBME), Indian Institute of Technology (IIT) Delhi, Hauz Khas, New Delhi - 110016, India
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Rajendranagar, Hyderabad - 500030, PVNRTVU, Telangana, India
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Warangal - 506166, PVNRTVU, Telangana, India
| | - Isha Khurana
- Department of Pharmaceutical Chemistry, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh - 160014, India
| | - Sachin Allwadhi
- Department of Computer Science and Engineering, University Institute of Engineering and Technology (UIET), Maharshi Dayanand University (MDU), Rohtak - 124001, Haryana, India
| | - Pawan Kumar
- Department of Radiation Oncology, Regional Cancer Centre, Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences (Pt. B. D. S. PGIMS), Rohtak - 124001, Haryana, India
| | - Anil Kumar Banothu
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Rajendranagar, Hyderabad - 500030, PVNRTVU, Telangana, India
- Department of Aquatic Animal Health Management, College of Fishery Science, Pebbair, Wanaparthy - 509104, PVNRTVU, Telangana, India
| | - Sunitha Thalugula
- Department of Pharmacology, University College of Pharmaceutical Sciences (UCPS), Kakatiya University, Warangal - 506009, Telangana, India
| | - Percy Jasmine Barani
- Department of Chemistry, Wesley Degree College for Women, Osmania University, Secunderabad - 500025, Telangana, India
| | | | - Kala Kumar Bharani
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science (CVSc), Warangal - 506166, PVNRTVU, Telangana, India
- Department of Aquatic Animal Health Management, College of Fishery Science, Pebbair, Wanaparthy - 509104, PVNRTVU, Telangana, India
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15
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Pourhoseini S, Enos RT, Murphy AE, Cai B, Lead JR. Characterization, bio-uptake and toxicity of polymer-coated silver nanoparticles and their interaction with human peripheral blood mononuclear cells. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2021; 12:282-294. [PMID: 33842185 PMCID: PMC8008093 DOI: 10.3762/bjnano.12.23] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Silver nanoparticles (AgNPs) are widely used in medical applications due to their antibacterial and antiviral properties. Despite the extensive study of AgNPs, their toxicity and their effect on human health is poorly understood, as a result of issues such as poor control of NP properties and lack of proper characterization. The aim of this study was to investigate the combined characterization, bio-uptake, and toxicity of well-characterized polyvinylpyrrolidone (PVP)-coated AgNPs in exposure media during exposure time using primary human cells (peripheral blood mononuclear cells (PBMCs)). AgNPs were synthesized in-house and characterized using a multimethod approach. Results indicated the transformation of NPs in RPMI medium with a change in size and polydispersity over 24 h of exposure due to dissolution and reprecipitation. No aggregation of NPs was observed in the RPMI medium over the exposure time (24 h). A dose-dependent relationship between PBMC uptake and Ag concentration was detected for both AgNP and AgNO3 treatment. There was approximately a two-fold increase in cellular Ag uptake in the AgNO3 vs the NP treatment. Cytotoxicity, using LDH and MTS assays and based on exposure concentrations was not significantly different when comparing NPs and Ag ions. Based on differential uptake, AgNPs were more toxic after normalizing toxicity to the amount of cellular Ag uptake. Our data highlights the importance of correct synthesis, characterization, and study of transformations to obtain a better understanding of NP uptake and toxicity. Statistical analysis indicated that there might be an individual variability in response to NPs, although more research is required.
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Affiliation(s)
- Sahar Pourhoseini
- Department of Ophthalmology, Baylor College of Medicine, Houston, Texas, 77030, United States
| | - Reilly T Enos
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, 29209, United States
| | - Angela E Murphy
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, 29209, United States
| | - Bo Cai
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, United States
| | - Jamie R Lead
- Center for Environmental Nanoscience and Risk, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, United States
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16
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Moratin H, Ickrath P, Scherzad A, Meyer TJ, Naczenski S, Hagen R, Hackenberg S. Investigation of the Immune Modulatory Potential of Zinc Oxide Nanoparticles in Human Lymphocytes. NANOMATERIALS 2021; 11:nano11030629. [PMID: 33802496 PMCID: PMC7999554 DOI: 10.3390/nano11030629] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 02/21/2021] [Accepted: 02/26/2021] [Indexed: 01/09/2023]
Abstract
Zinc oxide nanoparticles (ZnO-NP) are commonly used for a variety of applications in everyday life. In addition, due to its versatility, nanotechnology supports promising approaches in the medical sector. NP can act as drug-carriers in the context of targeted chemo- or immunotherapy, and might also exhibit autonomous immune-modulatory characteristics. Knowledge of potential immunosuppressive or stimulating effects of NP is indispensable for the safety of consumers as well as patients. In this study, primary human peripheral blood lymphocytes of 9 donors were treated with different sub-cytotoxic concentrations of ZnO-NP for the duration of 1, 2, or 3 days. Flow cytometry was performed to investigate changes in the activation profile and the proportion of T cell subpopulations. ZnO-NP applied in this study did not induce any significant alterations in the examined markers, indicating their lack of impairment in terms of immune modulation. However, physicochemical characteristics exert a major influence on NP-associated bioactivity. To allow a precise simulation of the complex molecular processes of immune modulation, a physiological model including the different components of an immune response is needed.
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Affiliation(s)
- Helena Moratin
- Correspondence: (H.M.); (P.I.); Tel.: +49-931-201-21323 (H.M.)
| | - Pascal Ickrath
- Correspondence: (H.M.); (P.I.); Tel.: +49-931-201-21323 (H.M.)
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17
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Li H, Yan J, Meng D, Cai R, Gao X, Ji Y, Wang L, Chen C, Wu X. Gold Nanorod-Based Nanoplatform Catalyzes Constant NO Generation and Protects from Cardiovascular Injury. ACS NANO 2020; 14:12854-12865. [PMID: 32955857 DOI: 10.1021/acsnano.0c03629] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Cardiovascular disease is a leading cause of death, and one of the effective therapeutic strategies for cardiovascular disease is to provide a controlled, constant supply of nitric oxide (NO) in a mild manner; however, this has proved challenging in the clinic. To address this problem, we built a nitric oxide synthase (NOS)-like nanoplatform (NanoNOS) that consists of a noble metal nanoparticle core and a mesoporous silica shell and demonstrated the ability of NanoNOS to catalyze production of NO in vitro. Mechanistic studies show that the catalysis consists of a three-step reaction: the oxidation of NADPH to produce O2-via oxidase-like activity and the subsequent dismutation of O2- to H2O2via SOD-like activity, followed by H2O2-mediated oxidation of l-arginine to produce NO via a nonenzymatic pathway. The generation of NO is precisely regulated by both the content of the NanoNOS species and the plasmon excitation. We found that NanoNOS greatly suppressed injury-driven monocyte-endothelial cell adhesion, suggesting the NanoNOS treatment could help prevent cardiovascular disease. With such a design as well as plasmon excitation that allows for controlled and constant catalytic activity, NanoNOS technology could have a variety of biomedical applications.
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Affiliation(s)
- Haiyun Li
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Jiao Yan
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Dejing Meng
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Rui Cai
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Xinshuang Gao
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Yinglu Ji
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
| | - Liming Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Science, Beijing 100049, China
- CAS-HKU Joint Laboratory of Metallomics on Health & Environment, Beijing 100049, China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
- GBA Research Innovation Institute for Nanotechnology, Guangdong 510700, China
| | - Xiaochun Wu
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
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18
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Hussain Z, Thu HE, Haider M, Khan S, Sohail M, Hussain F, Khan FM, Farooq MA, Shuid AN. A review of imperative concerns against clinical translation of nanomaterials: Unwanted biological interactions of nanomaterials cause serious nanotoxicity. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101867] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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Almarzoug MHA, Ali D, Alarifi S, Alkahtani S, Alhadheq AM. Platinum nanoparticles induced genotoxicity and apoptotic activity in human normal and cancer hepatic cells via oxidative stress-mediated Bax/Bcl-2 and caspase-3 expression. ENVIRONMENTAL TOXICOLOGY 2020; 35:930-941. [PMID: 32309901 DOI: 10.1002/tox.22929] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/12/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
Platinum nanoparticles (PtNPs) attract much attention due to their excellent biocompatibility and catalytic properties, but their toxic effects on normal (CHANG) and cancerous (HuH-7) human liver cells are meagre. The cytotoxic and apoptotic effects of PtNPs (average size, 3 nm) were determined in CHANG and HuH-7 cells. After treating these cells were with PtNPs (10, 50, 100, 200, and 300 μg/mL) for 24 and 48 hours, we observed dose- and time-dependent cytotoxicity, as evaluated by using (3-[4, 5-dimethylthiazol-2-yl]-2, 5-diphenyltetrazolium bromide, a tetrazole) (MTT) and neutral red uptake (NRU) assays. The production of reactive oxygen species (ROS) was increased in both cells after treatment with the above dose of PtNPs for 24 and 48 hours. Determination of morphological changes of cells, chromosome condensation, mitochondrial membrane potential, and caspase-3 assays showed that PtNPs induce cytotoxicity and apoptosis in CHANG and HuH-7 cells by altering the cell morphology and density, increasing cell population in apoptosis, and causing chromosome condensation. Furthermore, we have studied fragmentation of DNA using alkaline single cell gel electrophoresis and expression of apoptotic genes by real-time PCR (RT-PCR). The percentage of DNA fragmentation was more at 300 μg/mL for 48 hours in both cells, but slightly more fragmentation was found in HuH-7 relative to CHANG cells. Considering all of the above parameters, PtNPs elicited cytotoxicity on CHANG and HuH-7 cells by blocking cell proliferation and inducing apoptosis. Thus this study may be useful in in vitro laboratory studies using cell lines for screening the genotoxic and apoptotic potential of nanoparticles.
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Affiliation(s)
| | - Daoud Ali
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Abdullah M Alhadheq
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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20
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21
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Vuković B, Milić M, Dobrošević B, Milić M, Ilić K, Pavičić I, Šerić V, Vrček IV. Surface Stabilization Affects Toxicity of Silver Nanoparticles in Human Peripheral Blood Mononuclear Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1390. [PMID: 32708883 PMCID: PMC7407574 DOI: 10.3390/nano10071390] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 02/06/2023]
Abstract
Silver nanoparticles (AgNPs) are one of the most investigated metal-based nanomaterials. Their biocidal activity boosted their application in both diagnostic and therapeutic medical systems. It is therefore crucial to provide sound evidences for human-related safety of AgNPs. This study aimed to enhance scientific knowledge with regard to biomedical safety of AgNPs by investigating how their different surface properties affect human immune system. METHODS preparation, characterization and stability evaluation was performed for four differently coated AgNPs encompassing neutral, positive and negative agents used for their surface stabilization. Safety aspects were evaluated by testing interaction of AgNPs with fresh human peripheral blood mononuclear cells (hPBMC) by means of particle cellular uptake and their ability to trigger cell death, apoptosis and DNA damages through induction of oxidative stress and damages of mitochondrial membrane. RESULTS all tested AgNPs altered morphology of freshly isolated hPBMC inducing apoptosis and cell death in a dose- and time-dependent manner. Highest toxicity was observed for positively-charged and protein-coated AgNPs. Cellular uptake of AgNPs was also dose-dependently increased and highest for positively charged AgNPs. Intracellularly, AgNPs induced production of reactive oxygen species (ROS) and damaged mitochondrial membrane. Depending on the dose, all AgNPs exhibited genotoxic potential. CONCLUSIONS this study provides systematic and comprehensive data showing how differently functionalized AgNPs may affect the human immune system. Presented results are a valuable scientific contribution to safety assessment of nanosilver-based blood-contacting medical products.
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Affiliation(s)
- Barbara Vuković
- Department of Clinical Laboratory Diagnostics, University Hospital Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia; (B.V.); (M.M.); (B.D.); (V.Š.)
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia
| | - Marija Milić
- Department of Clinical Laboratory Diagnostics, University Hospital Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia; (B.V.); (M.M.); (B.D.); (V.Š.)
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia
| | - Blaženka Dobrošević
- Department of Clinical Laboratory Diagnostics, University Hospital Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia; (B.V.); (M.M.); (B.D.); (V.Š.)
| | - Mirta Milić
- Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000 Zagreb, Croatia; (M.M.); (K.I.); (I.P.)
| | - Krunoslav Ilić
- Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000 Zagreb, Croatia; (M.M.); (K.I.); (I.P.)
| | - Ivan Pavičić
- Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000 Zagreb, Croatia; (M.M.); (K.I.); (I.P.)
| | - Vatroslav Šerić
- Department of Clinical Laboratory Diagnostics, University Hospital Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia; (B.V.); (M.M.); (B.D.); (V.Š.)
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Josipa Huttlera 4, 31000 Osijek, Croatia
| | - Ivana Vinković Vrček
- Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000 Zagreb, Croatia; (M.M.); (K.I.); (I.P.)
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22
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Ruiz-Ruiz B, Arellano-García ME, Radilla-Chávez P, Salas-Vargas DS, Toledano-Magaña Y, Casillas-Figueroa F, Luna Vazquez-Gomez R, Pestryakov A, García-Ramos JC, Bogdanchikova N. Cytokinesis-Block Micronucleus Assay Using Human Lymphocytes as a Sensitive Tool for Cytotoxicity/Genotoxicity Evaluation of AgNPs. ACS OMEGA 2020; 5:12005-12015. [PMID: 32548379 PMCID: PMC7271025 DOI: 10.1021/acsomega.0c00149] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
Silver nanoparticles (AgNPs) are the most used nanomaterials worldwide due to their excellent antibacterial, antiviral, and antitumor activities, among others. However, there is scarce information regarding their genotoxic potential measured using human peripheral blood lymphocytes. In this work, we present the cytotoxic and genotoxic behavior of two commercially available poly(vinylpyrrolidone)-coated silver nanoparticle (PVP-AgNPs) formulations that can be identified as noncytotoxic and nongenotoxic by just evaluating micronuclei (MNi) induction and the mitotic index, but present enormous differences when other parameters such as cytostasis, apoptosis, necrosis, and nuclear damage (nuclear buds (NBUDs) and nucleoplasmic bridges (NPBs)) are analyzed. The results show that Argovit (35 nm PVP-AgNPs) and nanoComposix (50 nm PVP-AgNPs), at concentrations from 0.012 to 12 μg/mL, produce no changes in the nuclear division index (NDI) or micronuclei (MNi) frequency compared with the values found on control cultures of human blood peripheral lymphocytes from a healthy donor. Still, 50 nm PVP-AgNPs significantly decrease the replication index and significantly increase cytostasis, apoptosis, necrosis, and the frequencies of nuclear buds (NBUDs) and nucleoplasmic bridges (NPBs). These results provide evidence that the cytokinesis-block micronucleus (CBMN) assay using human lymphocytes and evaluating the eight parameters provided by the technique is a sensitive, fast, accurate, and inexpensive detection tool to support or discard AgNPs or other nanomaterials, which is worthwhile for continued testing of their effectiveness and toxicity for biomedical applications. In addition, it provides very important information about the role played by the [coating agent]/[metal] ratio in the design of nanomaterials that could reduce adverse effects as much as possible while retaining their therapeutic capabilities.
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Affiliation(s)
- Balam Ruiz-Ruiz
- Laboratorio
de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, C.P. 22860 Ensenada, Baja California, México
| | - María Evarista Arellano-García
- Laboratorio
de Genotoxicología Ambiental, Facultad de Ciencias, Universidad Autónoma de Baja California, C.P. 22860 Ensenada, Baja California, México
| | - Patricia Radilla-Chávez
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - David Sergio Salas-Vargas
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Yanis Toledano-Magaña
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Francisco Casillas-Figueroa
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Roberto Luna Vazquez-Gomez
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Alexey Pestryakov
- Department
of Technology of Organic Substances and Polymer Materials, Tomsk Polytechnic University, 634050 Tomsk, Russia
| | - Juan Carlos García-Ramos
- Escuela
de Ciencias de la Salud, Universidad Autónoma
de Baja California, C.P.
22890 Ensenada, Baja California, México
| | - Nina Bogdanchikova
- Centro
de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, C.P. 22879 Ensenada, Baja California, México
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23
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Ha MK, Kwon SJ, Choi JS, Nguyen NT, Song J, Lee Y, Kim YE, Shin I, Nam JW, Yoon TH. Mass Cytometry and Single-Cell RNA-seq Profiling of the Heterogeneity in Human Peripheral Blood Mononuclear Cells Interacting with Silver Nanoparticles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1907674. [PMID: 32163679 DOI: 10.1002/smll.201907674] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/17/2020] [Accepted: 02/18/2020] [Indexed: 06/10/2023]
Abstract
Understanding the interactions between nanoparticles (NPs) and human immune cells is necessary for justifying their utilization in consumer products and biomedical applications. However, conventional assays may be insufficient in describing the complexity and heterogeneity of cell-NP interactions. Herein, mass cytometry and single-cell RNA-sequencing (scRNA-seq) are complementarily used to investigate the heterogeneous interactions between silver nanoparticles (AgNPs) and primary immune cells. Mass cytometry reveals the heterogeneous biodistribution of the positively charged polyethylenimine-coated AgNPs in various cell types and finds that monocytes and B cells have higher association with the AgNPs than other populations. scRNA-seq data of these two cell types demonstrate that each type has distinct responses to AgNP treatment: NRF2-mediated oxidative stress is confined to B cells, whereas monocytes show Fcγ-mediated phagocytosis. Besides the between-population heterogeneity, analysis of single-cell dose-response relationships further reveals within-population diversity for the B cells and naïve CD4+ T cells. Distinct subsets having different levels of cellular responses with respect to their cellular AgNP doses are found. This study demonstrates that the complementary use of mass cytometry and scRNA-seq is helpful for gaining in-depth knowledge on the heterogeneous interactions between immune cells and NPs and can be incorporated into future toxicity assessments of nanomaterials.
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Affiliation(s)
- My Kieu Ha
- Center for Next Generation Cytometry, Hanyang University, Seoul, 04763, Republic of Korea
- Department of Chemistry, College of Natural Sciences, Hanyang University, Seoul, 04763, Republic of Korea
| | - Sook Jin Kwon
- Center for Next Generation Cytometry, Hanyang University, Seoul, 04763, Republic of Korea
- Institute of Next Generation Material Design, Hanyang University, Seoul, 04763, Republic of Korea
| | - Jang-Sik Choi
- Center for Next Generation Cytometry, Hanyang University, Seoul, 04763, Republic of Korea
- Institute of Next Generation Material Design, Hanyang University, Seoul, 04763, Republic of Korea
| | - Nguyen Thanh Nguyen
- Center for Next Generation Cytometry, Hanyang University, Seoul, 04763, Republic of Korea
- Department of Chemistry, College of Natural Sciences, Hanyang University, Seoul, 04763, Republic of Korea
| | - Jaewoo Song
- Department of Laboratory Medicine, College of Medicine, Yonsei University, Seoul, 03722, Republic of Korea
| | - Yangsoon Lee
- Department of Laboratory Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Young-Eun Kim
- Department of Laboratory Medicine, College of Medicine, Hanyang University, Seoul, 04763, Republic of Korea
| | - Incheol Shin
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Republic of Korea
| | - Jin-Wu Nam
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, 04763, Republic of Korea
| | - Tae Hyun Yoon
- Center for Next Generation Cytometry, Hanyang University, Seoul, 04763, Republic of Korea
- Department of Chemistry, College of Natural Sciences, Hanyang University, Seoul, 04763, Republic of Korea
- Institute of Next Generation Material Design, Hanyang University, Seoul, 04763, Republic of Korea
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24
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Vali S, Mohammadi G, Tavabe KR, Moghadas F, Naserabad SS. The effects of silver nanoparticles (Ag-NPs) sublethal concentrations on common carp (Cyprinus carpio): Bioaccumulation, hematology, serum biochemistry and immunology, antioxidant enzymes, and skin mucosal responses. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 194:110353. [PMID: 32146193 DOI: 10.1016/j.ecoenv.2020.110353] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/14/2020] [Accepted: 02/16/2020] [Indexed: 06/10/2023]
Abstract
The present study aimed to evaluate the effects of different waterborne sublethal concentrations of Ag-NPs LC50 (96h) on common carp Cyprinus carpio using a multi-biomarker approach. Fish (9.22 ± 0.12 g) were stocked in fiberglass tanks and exposed to concentrations of 0 (control), 12.5%, 25% and 50% of Ag-NPs LC50 (96h) or Ag-NO3 LC50 (96h), as the source of Ag+ ion, for a period of 21 days. At the end of study, tissue Ag contents were significantly (P < 0.05) higher and different in fish exposed to concentrations of 25% and 50% compared to the control. The numbers of RBCs, hematocrit, and MCHC values at these concentrations differed significantly in respect to the control. No significant effects were observed for hemoglobin, MCH, and MCV values. The number of WBCs was significantly higher at concentrations of 12.5% and 25% compared to the control. Meanwhile, the percentage of neutrophils significantly elevated at concentrations of 25% and 50%. Serum total protein at concentration of 50% detected significantly lower than that of 12.5% or the control. The serum albumin and globulin levels significantly declined in Ag-NPs-exposed groups versus the control. The serum ACH50 and total immunoglobulins showed significantly lower values in the treatments of 25% and 50% compared to the control. The serum glucose, cortisol, ALT, and ALP values significantly escalated upon Ag-NPs exposure. The serum SOD and CAT showed enhanced activity in the treatment of 12.5% vice versa significantly diminished at concentrations of 25% and 50% compared to the control. The exposure to the concentrations of 25% and 50% significantly dwindled the lysozyme activity and total immunoglobulin levels in skin mucus. In conclusion, sublethal concentrations of Ag-NPs LC50 (96h) impaired fish health status at higher concentrations and 12.5% of Ag-NPs LC50 (96h) was presumably safe for common carp aquaculture.
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Affiliation(s)
- Sara Vali
- Faculty of Fisheries and Environment, Gorgan University of Agricultural and Natural Resources, Gorgan, Iran
| | - Ghasem Mohammadi
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
| | - Kamran Rezaei Tavabe
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran
| | - Fatemeh Moghadas
- Faculty of Fisheries and Environment, Gorgan University of Agricultural and Natural Resources, Gorgan, Iran
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25
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Hassanen EI, Morsy EA, Hussien AM, Ibrahim MA, Farroh KY. The effect of different concentrations of gold nanoparticles on growth performance, toxicopathological and immunological parameters of broiler chickens. Biosci Rep 2020; 40:BSR20194296. [PMID: 32124930 PMCID: PMC7103588 DOI: 10.1042/bsr20194296] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 02/28/2020] [Accepted: 03/01/2020] [Indexed: 12/18/2022] Open
Abstract
The present study aimed to evaluate what dosage of gold nanoparticles (GNPs) would improve growth performance, antioxidant levels and immune defense in broiler chickens. The experiment was carried out on 90 one-day-old mixbred Cobb chicks. The birds were allocated into three groups with three replicates. Group (1) kept as a negative control. Groups (2) and (3) received 5, 15 ppm GNPs via drinking water weekly for 35 days of chicks' life. Blood samples were collected at 8, 15, 22 and 36 days for oxidative stress evaluations and immunological studies. The birds were slaughtered at the ages of 36 days and thymus, spleen, busa of Fabricius and liver were collected for histopathological description, RT-PCR analysis and DNA fragmentation assay. Our results confirmed that adding of 15ppm GNPs in drinking water were induced remarkable blood oxidative stress damage, histopathological alterations, up-regulation of IL-6, Nrf2 gene expression, and DNA fragmentation in the examined immune organs of the broiler chickens as well as a significant reduction in the antibody titer against Newcastle (ND) and avian influenza (AI) viruses were noticed. On the other hand, the group received 5 ppm GNPs noticed better growth performance with the enhancement of the final food conversion ratio (FCR) without any significant difference in the previous toxicological and immunological parameters compared with the control groups. We suggest that feeding of 5ppm GNPs could improve the antioxidant capacity, immunity and performance in poultry but further food quality assurance tests are required in the future to confirm its safety for people.
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Affiliation(s)
- Eman I. Hassanen
- Department of Pathology, Veterinary Medicine, Cairo University, Giza, Egypt
| | - Eman A. Morsy
- Department of Poultry Diseases, Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ahmed M. Hussien
- Department of Toxicology and Forensic Medicine, Veterinary Medicine, Cairo University, Egypt
| | - Marwa A. Ibrahim
- Department of Biochemistry and Molecular Biology, Veterinary Medicine, Cairo University, Giza, Egypt
| | - Khaled Y. Farroh
- Department of Nanotechnology, Agricultural Research Center, Giza, Egypt
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26
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Kämpfer AAM, Urbán P, La Spina R, Jiménez IO, Kanase N, Stone V, Kinsner-Ovaskainen A. Ongoing inflammation enhances the toxicity of engineered nanomaterials: Application of an in vitro co-culture model of the healthy and inflamed intestine. Toxicol In Vitro 2020; 63:104738. [PMID: 31760064 PMCID: PMC6961208 DOI: 10.1016/j.tiv.2019.104738] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 10/21/2019] [Accepted: 11/18/2019] [Indexed: 01/27/2023]
Abstract
Chronic inflammatory conditions can negatively impact intestinal barrier function and affect the epithelium's interaction with nano-sized materials. We demonstrate the application of a Caco-2/THP-1 co-culture mimicking the intestine in healthy (i.e. stable) or inflamed state in nanotoxicological research. The co-cultures were exposed to non-toxic concentrations of silver nanoparticles (AgNPs) or silver nitrate (AgNO3) for 24 h. The barrier integrity and cytokine release as well as necrotic and apoptotic cell death were investigated. AgNPs and AgNO3 most strongly affected the inflamed co-culture. Higher concentrations of AgNPs induced a significant increase in barrier integrity in the inflamed but not the stable co-culture. Necrotic and apoptotic cell death was detected in both conditions but were significantly more pronounced in the inflamed condition. The exposure to AgNO3 affected barrier integrity in all experimental set-ups, but caused nuclear condensation only in the Caco-2 monoculture and the inflamed co-culture. AgNPs reduced the release of monocyte chemoattractant protein-1 in the stable model. Clear differences were observed in the effects of AgNPs and AgNO3 in relation to the model's health status. The results suggest an increased vulnerability of the inflamed epithelial barrier towards AgNPs underlining the importance to consider the intestinal health status in the safety assessment of nanomaterials.
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Affiliation(s)
- Angela A M Kämpfer
- European Commission, Joint Research Centre (JRC), Ispra, Italy; Nano-Safety Research Group, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom
| | - Patricia Urbán
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Rita La Spina
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | | | - Nilesh Kanase
- Nano-Safety Research Group, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom
| | - Vicki Stone
- Nano-Safety Research Group, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom
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27
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Gao J, Na H, Zhong R, Yuan M, Guo J, Zhao L, Wang Y, Wang L, Zhang F. One step synthesis of antimicrobial peptide protected silver nanoparticles: The core-shell mutual enhancement of antibacterial activity. Colloids Surf B Biointerfaces 2020; 186:110704. [DOI: 10.1016/j.colsurfb.2019.110704] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 11/22/2019] [Accepted: 12/02/2019] [Indexed: 01/01/2023]
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28
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Morais LDO, Macedo EV, Granjeiro JM, Delgado IF. Critical evaluation of migration studies of silver nanoparticles present in food packaging: a systematic review. Crit Rev Food Sci Nutr 2019; 60:3083-3102. [DOI: 10.1080/10408398.2019.1676699] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Luciene de Oliveira Morais
- Post-Graduation Program in Health Surveillance, National Institute of Quality Control in Health, Rio de Janeiro, Brazil
| | | | - José Mauro Granjeiro
- Bioengineering Laboratory, National Institute of Metrology Quality and Technology, Rio de Janeiro, Brazil
- Materials Department, School of Dentistry, Federal Fluminense University, Niteroi, Brazil
| | - Isabella Fernandes Delgado
- Vice Presidency of Education, Information and Communication, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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29
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Breisch M, Grasmik V, Loza K, Pappert K, Rostek A, Ziegler N, Ludwig A, Heggen M, Epple M, Tiller JC, Schildhauer TA, Köller M, Sengstock C. Bimetallic silver-platinum nanoparticles with combined osteo-promotive and antimicrobial activity. NANOTECHNOLOGY 2019; 30:305101. [PMID: 30959494 DOI: 10.1088/1361-6528/ab172b] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Bimetallic alloyed silver-platinum nanoparticles (AgPt NP) with different metal composition from Ag10Pt90 to Ag90Pt10 in steps of 20 mol% were synthesized. The biological effects of AgPt NP, including cellular uptake, cell viability, osteogenic differentiation and osteoclastogenesis as well as the antimicrobial activity towards Staphylococcus aureus and Escherichia coli were analyzed in comparison to pure Ag NP and pure Pt NP. The uptake of NP into human mesenchymal stem cells was confirmed by cross-sectional focused-ion beam preparation and observation by scanning and transmission electron microscopy in combination with energy-dispersive x-ray analysis. Lower cytotoxicity and antimicrobial activity were observed for AgPt NP compared to pure Ag NP. Thus, an enhanced Ag ion release due to a possible sacrificial anode effect was not achieved. Nevertheless, a Ag content of at least 50 mol% was sufficient to induce bactericidal effects against both Staphylococcus aureus and Escherichia coli. In addition, a Pt-related (≥50 mol% Pt) osteo-promotive activity on human mesenchymal stem cells was observed by enhanced cell calcification and alkaline phosphatase activity. In contrast, the osteoclastogenesis of rat primary precursor osteoclasts was inhibited. In summary, these results demonstrate a combinatory osteo-promotive and antimicrobial activity of bimetallic Ag50Pt50 NP.
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Affiliation(s)
- Marina Breisch
- BG University Hospital Bergmannsheil Bochum/Surgical Research, Ruhr University Bochum, Buerkle-de-la-Camp-Platz 1, D-44789 Bochum, Germany
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30
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Nicholas TP, Kavanagh TJ, Faustman EM, Altemeier WA. The Effects of Gene × Environment Interactions on Silver Nanoparticle Toxicity in the Respiratory System. Chem Res Toxicol 2019; 32:952-968. [PMID: 31124663 DOI: 10.1021/acs.chemrestox.8b00234] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Silver nanoparticles (AgNP) are used in multiple applications but primarily in the manufacturing of antimicrobial products. AgNP toxicity in the respiratory system is well characterized, but few in vitro or in vivo studies have evaluated the effects of interactions between host genetic and acquired factors or gene × environment interactions (G × E) on AgNP toxicity in the respiratory system. The primary goal of this article is to review host genetic and acquired factors identified across in vitro and in vivo studies and prioritize those necessary for defining exposure limits to protect all populations. The impact of these exposures and the work being done to address the current limited protections are also discussed. Future research on G × E effects on AgNP toxicity is warranted and will assist with informing regulatory or recommended exposure limits that enforce special protections for all populations to AgNP exposures in occupational settings.
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Affiliation(s)
- Tyler P Nicholas
- Department of Environmental and Occupational Health Sciences , University of Washington , Seattle , Washington 98109 , United States
| | - Terrance J Kavanagh
- Department of Environmental and Occupational Health Sciences , University of Washington , Seattle , Washington 98109 , United States
| | - Elaine M Faustman
- Department of Environmental and Occupational Health Sciences , University of Washington , Seattle , Washington 98109 , United States
| | - William A Altemeier
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine , University of Washington , Seattle , Washington 98109 , United States
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31
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Silver nanoparticles promote procoagulant activity of red blood cells: a potential risk of thrombosis in susceptible population. Part Fibre Toxicol 2019; 16:9. [PMID: 30764834 PMCID: PMC6376700 DOI: 10.1186/s12989-019-0292-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 02/01/2019] [Indexed: 11/15/2022] Open
Abstract
Background Silver nanoparticles (AgNP) are widely used in medical practices owing to their distinct antibacterial, antiviral and anticancer activities. However, with increasing use of AgNP, concerns over its potential toxicity are also escalating. Here, we demonstrated the potential thrombotic effect of AgNP which was mediated by the procoagulant activity of red blood cells (RBCs). Results In freshly isolated human RBCs, AgNP, but not silver microparticles (AgMP), elicited morphological changes, phosphatidylserine (PS) exposure and microvesicles (MV) generation, the key indicators of procoagulant activity in RBCs at concentration ranges (≤ 100 μg/mL) that were free of significant hemolysis. In line with this, AgNP potentiated thrombin generation and adherence of RBCs to endothelial cells, while AgMP did not. Oxidative stress, intracellular calcium increase and ATP depletion were found to underlie the procoagulant effects of AgNP, which led to altered activity of membrane aminophospholipid translocases. These in vitro findings were well reproduced in rat in vivo, where intravenously exposure to AgNP promoted venous thrombosis significantly. Of note, RBCs isolated from cancer patients, who inherently convey the risk of thrombogenesis, were more sensitive to the procoagulant effects of AgNP. In addition, AgNP significantly potentiated the procoagulant effects of a chemotherapeutic drug, paclitaxel. Conclusion Collectively, these results suggest that AgNP may have prothrombotic risks by promoting procoagulant activity of RBCs and caution shall be taken for its use in the population sensitive to thrombosis like cancer patients. Electronic supplementary material The online version of this article (10.1186/s12989-019-0292-6) contains supplementary material, which is available to authorized users.
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32
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Alhadlaq HA, Akhtar MJ, Ahamed M. Different cytotoxic and apoptotic responses of MCF-7 and HT1080 cells to MnO 2 nanoparticles are based on similar mode of action. Toxicology 2018; 411:71-80. [PMID: 30395893 DOI: 10.1016/j.tox.2018.10.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/17/2018] [Accepted: 10/31/2018] [Indexed: 01/08/2023]
Abstract
Manganese (IV) oxide nanoparticles (MnO2 NPs) are increasingly used in numerous applications. Multiple applications of MnO2 NPs, however, increase the human exposure and thus potential risk related to their toxicity. There is little information regarding the toxicity mechanisms of MnO2 NPs in human cells. In this study, we explored the toxic potential of MnO2 NPs in human breast cancer epithelial (MCF-7) and human fibrosarcoma epithelial (HT1080) cells in order to examine whether epithelial cells of different origins showed similar responses. Results demonstrated that MnO2 NPs induced cell viability reduction and membrane damage in both MCF-7 and HT1080 cells in a dose-dependent manner. MnO2 NPs were also found to induce pro-oxidants generation and antioxidants depletion in both cells. We further observed that MnO2 NPs induce apoptosis in both MCF-7 and HT1080 cells evident by altered regulation of apoptotic genes (p53, bax & bcl-2), cell cycle arrest and low mitochondrial membrane potential. Interestingly, we noticed that HT1080 cells were more susceptible to MnO2 NPs exposure than those of MCF-7 cells. This could be due to higher level of MnO2 NPs uptake into HT1080 cells as compared to MCF-7 cells. However, the mechanism of toxicity induced by MnO2 NPs in both MCF-7 and HT1080 cells was highly similar. This study warrants further research to delineate the underlying mechanisms of MnO2 NPs toxicity at in vivo level.
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Affiliation(s)
- Hisham A Alhadlaq
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia; Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohd Javed Akhtar
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
| | - Maqusood Ahamed
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia.
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33
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Benign nano-assemblages of silver induced by β galactosidase with augmented antimicrobial and industrial dye degeneration potential. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 91:570-578. [DOI: 10.1016/j.msec.2018.05.077] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 05/04/2018] [Accepted: 05/26/2018] [Indexed: 11/23/2022]
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34
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Li WT, Wang LY, Chang HW, Yang WC, Lo C, Pang VF, Chen MH, Jeng CR. Th2 cytokine bias induced by silver nanoparticles in peripheral blood mononuclear cells of common bottlenose dolphins ( Tursiops truncatus). PeerJ 2018; 6:e5432. [PMID: 30245924 PMCID: PMC6147119 DOI: 10.7717/peerj.5432] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 07/20/2018] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Silver nanoparticles (AgNPs) have been widely used in many commercial products due to their excellent antibacterial ability. The AgNPs are released into the environment, gradually accumulate in the ocean, and may affect animals at high trophic levels, such as cetaceans and humans, via the food chain. Hence, the negative health impacts caused by AgNPs in cetaceans are of concern. Cytokines play a major role in the modulation of immune system and can be classified into two types: Th1 and Th2. Th1/Th2 balance can be evaluated by the ratios of their polarizing cytokines (i.e., interferon [IFN]-γ/Interleukin [IL]-4), and animals with imbalanced Th1/Th2 response may become more susceptible to certain kinds of infection. Therefore, the present study evaluated the in vitro cytokine responses of cetacean peripheral blood mononuclear cells (cPBMCs) to 20 nm citrate-AgNPs (C-AgNP20) by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). METHODS Blood samples were collected from six captive common bottlenose dolphins (Tursiops truncatus). The cPBMCs were isolated and utilized for evaluating the in vitro cytokine responses. The cytokines evaluated included IL-2, IL-4, IL-10, IL-12, interferon (IFN)-γ, and tumor necrosis factor (TNF)-α. The geometric means of two housekeeping genes (HKGs), glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and β2-microglobulin (B2M), of each sample were determined and used to normalize the mRNA expression levels of target genes. RESULTS The ratio of late apoptotic/necrotic cells of cPBMCs significantly increased with or without concanavalin A (ConA) stimulation after 24 h of 10 µg/ml C-AgNP20 treatment. At 4 h of culture, the mRNA expression level of IL-10 was significantly decreased with 1 µg/ml C-AgNP20 treatment. At 24 h of culture with 1 µg/ml C-AgNP20, the mRNA expression levels of all cytokines were significantly decreased, with the exceptions of IL-4 and IL-10. The IFN-γ/IL-4 ratio was significantly decreased at 24 h of culture with 1 µg/ml C-AgNP20 treatment, and the IL-12/IL-4 ratio was significantly decreased at 4 or 24 h of culture with 0.1 or 1 µg/ml C-AgNP20 treatment, respectively. Furthermore, the mRNA expression level of TNF-α was significantly decreased by 1 µg/ml C-AgNP20 after 24 h of culture. DISCUSSION The present study demonstrated that the sublethal dose of C-AgNP20 (≤1 µg/ml) had an inhibitory effect on the cytokine mRNA expression levels of cPBMCs with the evidence of Th2 cytokine bias and significantly decreased the mRNA expression level of TNF-α. Th2 cytokine bias is associated with enhanced immunity against parasites but decreased immunity to intracellular microorganisms. TNF-α is a contributing factor for the inflammatory response against the infection of intracellular pathogens. In summary, our data indicate that C-AgNP20 suppresses the cellular immune response and thereby increases the susceptibility of cetaceans to infection by intracellular microorganisms.
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Affiliation(s)
- Wen-Ta Li
- Graduate Institute of Molecular and Comparative Pathobiology, National Taiwan University, Taipei, Taiwan
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Lei-Ya Wang
- Graduate Institute of Molecular and Comparative Pathobiology, National Taiwan University, Taipei, Taiwan
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Hui-Wen Chang
- Graduate Institute of Molecular and Comparative Pathobiology, National Taiwan University, Taipei, Taiwan
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Wei-Cheng Yang
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Chieh Lo
- Farglory Ocean Park, Hualien, Taiwan
| | - Victor Fei Pang
- Graduate Institute of Molecular and Comparative Pathobiology, National Taiwan University, Taipei, Taiwan
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Meng-Hsien Chen
- Department of Oceanography and Asia-Pacific Ocean Research Center, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Chian-Ren Jeng
- Graduate Institute of Molecular and Comparative Pathobiology, National Taiwan University, Taipei, Taiwan
- School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
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Xue Y, Wang J, Huang Y, Gao X, Kong L, Zhang T, Tang M. Comparative cytotoxicity and apoptotic pathways induced by nanosilver in human liver HepG2 and L02 cells. Hum Exp Toxicol 2018; 37:1293-1309. [PMID: 29658330 DOI: 10.1177/0960327118769718] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Silver nanoparticles are used in many commercial products in daily life. Exposure to nanosilver has hepatotoxic effects in animals. This study investigated the cytotoxicity associated with polyvinylpyrrolidone-coated nanosilver (23.44 ± 4.92 nm in diameter) exposure in the human hepatoma cell line (HepG2) and normal hepatic cell line (L02), and the molecular mechanisms induced by nanosilver in HepG2 cells. Nanosilver, in doses of 20-160 μg mL-1 for 24 and 48 h, reduced cell viability in a dose- and time-dependent manner and induced cell membrane leakage and mitochondria injury in both cell lines; these effects were more pronounced in HepG2 cells than in L02 cells. Intracellular oxidative stress was documented by reactive oxygen species (ROS) being generated in HepG2 cells but not in L02 cells, an effect possibly due to differential uptake of nanosilver by cancer cells and normal cells. In HepG2 cells, apoptosis was documented by finding that ROS triggered a decrease in mitochondrial membrane potential, an increase in cytochrome c release, activation of caspase 3 and caspase 9, and a decrease in the ratio of Bcl-2/Bax. Furthermore, nanosilver activated the Fas death receptor pathway by downregulation of nuclear factor-κB and activation of caspase 8 and caspase 3. These results suggest that apoptosis induced by nanosilver in HepG2 cells is mediated via a mitochondria-dependent pathway and the Fas death receptor pathway. These findings provide toxicological and mechanistic information that can help in assessing the effects of nanosilver in biological systems, including the potential for anticancer activities.
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Affiliation(s)
- Y Xue
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China.,2 Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210009, China
| | - J Wang
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China
| | - Y Huang
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China
| | - X Gao
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China
| | - L Kong
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China.,2 Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210009, China
| | - T Zhang
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China.,2 Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210009, China
| | - M Tang
- 1 Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210009, China.,2 Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210009, China
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Asl BA, Mogharizadeh L, Khomjani N, Rasti B, Pishva SP, Akhtari K, Attar F, Falahati M. Probing the interaction of zero valent iron nanoparticles with blood system by biophysical, docking, cellular, and molecular studies. Int J Biol Macromol 2018; 109:639-650. [DOI: 10.1016/j.ijbiomac.2017.12.085] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 12/14/2017] [Accepted: 12/15/2017] [Indexed: 10/18/2022]
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Preparation of silver nanoparticles by Garcinia mangostana stem extract and investigation of the antimicrobial properties. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.biori.2017.11.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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38
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Silver nanoparticle loaded collagen/chitosan scaffolds promote wound healing via regulating fibroblast migration and macrophage activation. Sci Rep 2017; 7:10489. [PMID: 28874692 PMCID: PMC5585259 DOI: 10.1038/s41598-017-10481-0] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 08/10/2017] [Indexed: 12/20/2022] Open
Abstract
Treatment of full-thickness skin defects poses significant clinical challenges including risk of infection and severe scaring. Silver nanoparticle (NAg), an effective antimicrobial agent, has provided a promising therapeutic method for burn wounds. However, the detailed mechanism remains unknown. Hence, we constructed a metallic nanosilver particles-collagen/chitosan hybrid scaffold (NAg-CCS) and investigated its potential effects on wound healing. In vitro scratch assay, immunofluorescence staining and antibacterial activity of the scaffold were all studied. In vivo NAg-CCS was applied in full-thickness skin defects in Sprague-Dawley (SD) rats and the therapeutic effects of treatment were evaluated. The results showed that NAg at a concentration of 10 ppm accelerated the migration of fibroblasts with an increase in expression of α-smooth muscle actin (α-SMA). Furthermore, in vivo studies showed increased levels of pro-inflammatory and scar-related factors as well as α-SMA, while markers for macrophage activation were up-regulated. On day 60 post transplantation of ultra-thin skin graft, the regenerated skin by NAg-CCS had a similar structure to normal skin. In summary, we demonstrated that NAg-CCS was bactericidal, anti-inflammatory and promoted wound healing potentially by regulating fibroblast migration and macrophage activation, making it an ideal dermal substitute for wound regeneration.
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Kämpfer A, La Spina R, Gilliland D, Valzacchi S, Asturiol D, Stone V, Kinsner-Ovaskainen A. Silver Nanoparticles and Metallic Silver Interfere with the Griess Reaction: Reduction of Azo Dye Formation via a Competing Sandmeyer-Like Reaction. Chem Res Toxicol 2017; 30:1030-1037. [PMID: 28282135 DOI: 10.1021/acs.chemrestox.6b00280] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Silver (Ag) is the most common nanomaterial (NM) in consumer products. Much research has been focused on elucidating the potential impact of Ag-containing NMs on human health, e.g., cytotoxicity, genotoxicity, or proinflammatory responses. In the case of proinflammatory responses, a frequently used end point is the induction of nitric oxide (NO), which is indirectly quantified as nitrite (NO2-) with the Griess reaction. After preliminary studies in a macrophage-like cell culture system showed anomalous false negative results in the presence of silver nanoparticles (Ag NPs), we studied the influence of Ag on the detection of NO2- in a cell-free environment. Solutions containing a known concentration of NaNO2 were prepared in H2O, PBS, or complete cell culture medium (CCM) and analyzed using the Griess reaction in the presence of Ag in its metallic or ionic state. In Milli-Q H2O, the impact of salts on the detection was investigated using NaCl and KBr. After completion of the Griess reaction, the samples were analyzed spectrophotometrically or chromatographically. It was found that the presence of metallic but not ionic Ag interfered with the quantification of NO2-. The effect was more pronounced in PBS and H2O containing NaCl or KBr. The chromatographical analysis provided evidence of a competing reaction consuming the intermediate diazonium salt, which is critical to the Griess reaction. These findings demonstrate yet another substantial interference of NMs with a frequently used in vitro assay. If gone unnoticed, this interference might cause false negative results and an impaired hazard assessment of Ag NMs.
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Affiliation(s)
- Angela Kämpfer
- European Commission Joint Research Centre , Directorate for Health, Consumers and Reference Materials, Via E. Fermi 2749, TP 125, 21027 Ispra, Varese, Italy
| | - Rita La Spina
- European Commission Joint Research Centre , Directorate for Health, Consumers and Reference Materials, Via E. Fermi 2749, TP 125, 21027 Ispra, Varese, Italy
| | - Douglas Gilliland
- European Commission Joint Research Centre , Directorate for Health, Consumers and Reference Materials, Via E. Fermi 2749, TP 125, 21027 Ispra, Varese, Italy
| | - Sandro Valzacchi
- European Commission Joint Research Centre , Directorate for Health, Consumers and Reference Materials, Via E. Fermi 2749, TP 125, 21027 Ispra, Varese, Italy
| | - David Asturiol
- European Commission Joint Research Centre , Directorate for Health, Consumers and Reference Materials, Via E. Fermi 2749, TP 125, 21027 Ispra, Varese, Italy
| | - Vicki Stone
- Nanosafety Research Group, School of Life Sciences, Heriot-Watt University , Edinburgh EH14 4AS, United Kingdom
| | - Agnieszka Kinsner-Ovaskainen
- European Commission Joint Research Centre , Directorate for Health, Consumers and Reference Materials, Via E. Fermi 2749, TP 125, 21027 Ispra, Varese, Italy
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Gao C, Wang Y, Han F, Yuan Z, Li Q, Shi C, Cao W, Zhou P, Xing X, Li B. Antibacterial activity and osseointegration of silver-coated poly(ether ether ketone) prepared using the polydopamine-assisted deposition technique. J Mater Chem B 2017; 5:9326-9336. [DOI: 10.1039/c7tb02436c] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PEEK-PDA-Ag substrates may be a promising orthopaedic implant material due to the outstanding biocompatibility and antibacterial properties.
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Affiliation(s)
- Changcheng Gao
- College of Chemistry
- Chemical Engineering and Materials Science
- Orthopaedic Institute
- Soochow University
- Suzhou
| | - Yong Wang
- Department of Orthopedic Surgery
- The Affiliated Yixing Hospital of Jiangsu University
- Wuxi
- China
| | - Fengxuan Han
- College of Chemistry
- Chemical Engineering and Materials Science
- Orthopaedic Institute
- Soochow University
- Suzhou
| | - Zhangqin Yuan
- College of Chemistry
- Chemical Engineering and Materials Science
- Orthopaedic Institute
- Soochow University
- Suzhou
| | - Qiang Li
- College of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Chen Shi
- Department of Materials Science and Engineering
- University of California
- Los Angeles
- USA
| | - Weiwei Cao
- College of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Pinghui Zhou
- College of Chemistry
- Chemical Engineering and Materials Science
- Orthopaedic Institute
- Soochow University
- Suzhou
| | - Xiaodong Xing
- College of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Bin Li
- College of Chemistry
- Chemical Engineering and Materials Science
- Orthopaedic Institute
- Soochow University
- Suzhou
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Devanabanda M, Latheef SA, Madduri R. Immunotoxic effects of gold and silver nanoparticles: Inhibition of mitogen-induced proliferative responses and viability of human and murine lymphocytes in vitro. J Immunotoxicol 2016; 13:897-902. [DOI: 10.1080/1547691x.2016.1234522] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Mallaiah Devanabanda
- Cellular Immunology Laboratory, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Shaik Abdul Latheef
- Cellular Immunology Laboratory, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Ramanadham Madduri
- Cellular Immunology Laboratory, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
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42
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Kaplan A, Akalin Ciftci G, Kutlu HM. Cytotoxic, anti-proliferative and apoptotic effects of silver nitrate against H-ras transformed 5RP7. Cytotechnology 2016; 68:1727-35. [PMID: 26499861 PMCID: PMC5023546 DOI: 10.1007/s10616-015-9922-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 10/09/2015] [Indexed: 12/27/2022] Open
Abstract
Metal based drugs have successfully been used in both the detection and treatment of different disease states. The antibacterial features of metal ion silver are well documented. Most recently, metal ion silver has been tested and applied in anticancer activity. The present study observed the cytotoxic, anti-proliferative and apoptotic effects of metal complex silver nitrate in H-ras transformed 5RP7 cell lines for 24 h. In addition, the toxic effects of silver nitrate was investigated on NIH/3T3 primary mouse embryonic fibroblast cells for 24 h. Cytotoxic effects were determined by MTT (3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide) assay. Apoptosis and necrosis were evaluated by flow cytometric analysis (Annexin-V FITC/PI). Caspase-3 activation was researched by flow cytometric analysis. Apoptotic morphology was observed by DAPI staining. Structure and ultra-structure changes of cells were assessed using transmission electron microscopy. The results indicate silver nitrate has high cytotoxicity and a strong capacity to induce apoptosis in H-ras 5RP7 cells. Furthermore silver nitrate was not toxic against NIH/3T3 primary mouse embryonic fibroblast cells at low doses for 24 h.
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Affiliation(s)
- Ayse Kaplan
- Department of Biology, Institute of Science, Anadolu University, 26470 Eskisehir, Turkey
| | - Gulsen Akalin Ciftci
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, 26470 Eskisehir, Turkey
| | - Hatice Mehtap Kutlu
- Department of Biology, Faculty of Science, Anadolu University, 26470 Eskisehir, Turkey
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43
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Cui B, Ren L, Xu QH, Yin LY, Zhou XY, Liu JX. Silver_ nanoparticles inhibited erythrogenesis during zebrafish embryogenesis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 177:295-305. [PMID: 27340786 DOI: 10.1016/j.aquatox.2016.06.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 06/08/2016] [Accepted: 06/08/2016] [Indexed: 06/06/2023]
Abstract
Silver_ nanoparticles (AgNPs), for their attractive antimicrobial properties, have become one of the most commercial nanomaterials used recently. AgNPs are reported to be toxic to blood cells of aquatic organisms and humans, however, few studies related to toxic effects of AgNPs in hematopoiesis using an in vivo model were available. Firstly, microarrays were applied to reveal transcriptional responses of zebrafish embryos to AgNPs at 24h post-fertilization (hpf)in this study, and hemoglobin genes were found to be down-regulated by AgNPs and to be enriched in the top 10 categories by Gene Ontology (GO) analysis. The reduced expressions of hemoglobin were further demonstrated by qRT-PCR detection, whole-mount in situ hybridization, and O-dianisidine staining at transcriptional and translational level. Next, the commitment of mesoderm, specification of hematopoietic progenitor cells and differentiation of erythroids were detected at different developmental stages in AgNPs-exposed embryos, and erythrogenesis were found to be inhibited by AgNPs in developmental-stage-specific and cell-specific manners. Finally, it was pointed out that AgNPs affected erythrogenesis mostly by their particles other than their releasing ions.
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Affiliation(s)
- Bei Cui
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Long Ren
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Qin-Han Xu
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Li-Yan Yin
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresources, Hainan University, HaiKou, 570228, China.
| | - Xin-Ying Zhou
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Jing-Xia Liu
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China; Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan, Changde, 415000, China.
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Kongseng S, Yoovathaworn K, Wongprasert K, Chunhabundit R, Sukwong P, Pissuwan D. Cytotoxic and inflammatory responses of TiO2 nanoparticles on human peripheral blood mononuclear cells. J Appl Toxicol 2016; 36:1364-73. [PMID: 27225715 DOI: 10.1002/jat.3342] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Revised: 04/01/2016] [Accepted: 04/01/2016] [Indexed: 12/27/2022]
Abstract
Titanium dioxide nanoparticles (TiO2 -NPs) have been widely used in many applications. Owing to their nanoscale size, interactions between cells and NPs have been expansively investigated. With the health concerns raised regarding the adverse effects of these interactions, closer examination of whether TiO2 -NPs can induce toxicity towards human cells is greatly needed. Therefore, in this study, we investigated the cytotoxicity of TiO2 -NPs towards human blood cells (peripheral blood mononuclear cells [PBMCs]) in serum-free medium, for which there is little information regarding the cytotoxic effects of TiO2 -NPs. Our results provide evidence that PBMCs treated with TiO2 -NPs (at concentrations ≥25 μg ml(-1) ) for 24 h significantly reduced cell viability and significantly increased production of toxic mediators such as reactive oxygen species and inflammatory response cytokines such as interleukin-6 and tumor necrosis factor-α (P < 0.05). Cell apoptosis induction also occurred at these concentrations. Significant expressions of cyclooxygenase-2 and interleukin-1β were also observed in PBMCs treated with TiO2 -NPs at concentrations ≥125 μg ml(-1) . Our data presented here clearly indicate that the concentration of TiO2 -NPs (at size ~26.4 ± 1.2 nm) applied to human blood cells has a strong impact on cytotoxic induction. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Supunsa Kongseng
- Toxicology Graduate Program, Multidisciplinary Unit, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Krongtong Yoovathaworn
- Toxicology Graduate Program, Multidisciplinary Unit, Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Rodjana Chunhabundit
- Graduate Program in Nutrition, Faculty of Medicine at Ramathibodi Hospital, Mahidol University, Bangkok
| | - Patinya Sukwong
- Toxicology Graduate Program, Multidisciplinary Unit, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Dakrong Pissuwan
- Toxicology Graduate Program, Multidisciplinary Unit, Faculty of Science, Mahidol University, Bangkok, Thailand.,Center of Excellence on Environmental Health and Toxicology, Faculty of Science, Mahidol University, Bangkok.,Materials Science and Engineering Graduate Program, Multidisciplinary Unit, Faculty of Science, Mahidol University, Bangkok, Thailand
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Huang H, Lai W, Cui M, Liang L, Lin Y, Fang Q, Liu Y, Xie L. An Evaluation of Blood Compatibility of Silver Nanoparticles. Sci Rep 2016; 6:25518. [PMID: 27145858 PMCID: PMC4857076 DOI: 10.1038/srep25518] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Accepted: 04/15/2016] [Indexed: 12/12/2022] Open
Abstract
Silver nanoparticles (AgNPs) have tremendous potentials in medical devices due to their excellent antimicrobial properties. Blood compatibility should be investigated for AgNPs due to the potential blood contact. However, so far, most studies are not systematic and have not provided insights into the mechanisms for blood compatibility of AgNPs. In this study, we have investigated the blood biological effects, including hemolysis, lymphocyte proliferation, platelet aggregation, coagulation and complement activation, of 20 nm AgNPs with two different surface coatings (polyvinyl pyrrolidone and citrate). Our results have revealed AgNPs could elicit hemolysis and severely impact the proliferation and viability of lymphocytes at all investigated concentrations (10, 20, 40 μg/mL). Nevertheless, AgNPs didn't show any effect on platelet aggregation, coagulation process, or complement activation at up to ~40 μg/mL. Proteomic analysis on AgNPs plasma proteins corona has revealed that acidic and small molecular weight blood plasma proteins were preferentially adsorbed onto AgNPs, and these include some important proteins relevant to hemostasis, coagulation, platelet, complement activation and immune responses. The predicted biological effects of AgNPs by proteomic analysis are mostly consistent with our experimental data since there were few C3 components on AgNPs and more negative than positive factors involving platelet aggregation and thrombosis.
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Affiliation(s)
- He Huang
- Key Laboratory of Standardization and Measurement for Nanotechnology of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
| | - Wenjia Lai
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
| | - Menghua Cui
- Key Laboratory of Standardization and Measurement for Nanotechnology of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
| | - Ling Liang
- Key Laboratory of Standardization and Measurement for Nanotechnology of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yuchen Lin
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
| | - Qiaojun Fang
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
| | - Ying Liu
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
| | - Liming Xie
- Key Laboratory of Standardization and Measurement for Nanotechnology of Chinese Academy of Sciences, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, P. R. China
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Abstract
Targeting the immune system with nanomaterials is an intensely active area of research. Specifically, the capability to induce immunosuppression is a promising complement for drug delivery and regenerative medicine therapies. Many novel strategies for immunosuppression rely on nanoparticles as delivery vehicles for small-molecule immunosuppressive compounds. As a consequence, efforts in understanding the mechanisms in which nanoparticles directly interact with the immune system have been overshadowed. The immunological activity of nanoparticles is dependent on the physiochemical properties of the nanoparticles and its subsequent cellular internalization. As the underlying factors for these reactions are elucidated, more nanoparticles may be engineered and evaluated for inducing immunosuppression and complementing immunosuppressive drugs. This review will briefly summarize the state-of-the-art and developments in understanding how nanoparticles induce immunosuppressive responses, compare the inherent properties of nanomaterials which induce these immunological reactions, and comment on the potential for using nanomaterials to modulate and control the immune system.
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Affiliation(s)
- Terrika A Ngobili
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina, Chapel Hill, Raleigh, NC 27695, USA
| | - Michael A Daniele
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina, Chapel Hill, Raleigh, NC 27695, USA Department of Electrical & Computer Engineering, North Carolina State University, Raleigh, NC 27695, USA
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Singh RK, Awasthi S, Dhayalan A, Ferreira JMF, Kannan S. Deposition, structure, physical and invitro characteristics of Ag-doped β-Ca3(PO4)2/chitosan hybrid composite coatings on Titanium metal. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 62:692-701. [PMID: 26952474 DOI: 10.1016/j.msec.2016.02.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 01/28/2016] [Accepted: 02/03/2016] [Indexed: 01/06/2023]
Abstract
Pure and five silver-doped (0-5Ag) β-tricalcium phosphate [β-TCP, β-Ca3(PO4)2]/chitosan composite coatings were deposited on Titanium (Ti) substrates and their properties that are relevant for applications in hard tissue replacements were assessed. Silver, β-TCP and chitosan were combined to profit from their salient and complementary antibacterial and biocompatible features.The β-Ca3(PO4)2 powders were synthesized by co-precipitation. The characterization results confirmed the Ag(+) occupancy at the crystal lattice of β-Ca3(PO4)2. The Ag-dopedβ-Ca3(PO4)2/chitosan composite coatings deposited by electrophoresis showed good antibacterial activity and exhibited negative cytotoxic effects towards the human osteosarcoma cell line MG-63. The morphology of the coatings was observed by SEM and their efficiency against corrosion of metallic substrates was determined through potentiodynamic polarization tests.
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Affiliation(s)
- Ram Kishore Singh
- Centre for Nanoscience and Technology, Pondicherry University, Puducherry605 014, India
| | - Sharad Awasthi
- Department of Biotechnology, Pondicherry University, Puducherry605 014, India
| | - Arunkumar Dhayalan
- Department of Biotechnology, Pondicherry University, Puducherry605 014, India
| | - J M F Ferreira
- Department of Materials and Ceramics Engineering, University of Aveiro, CICECO, Aveiro3810 193, Portugal
| | - S Kannan
- Centre for Nanoscience and Technology, Pondicherry University, Puducherry605 014, India.
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Surudžić R, Janković A, Mitrić M, Matić I, Juranić ZD, Živković L, Mišković-Stanković V, Rhee KY, Park SJ, Hui D. The effect of graphene loading on mechanical, thermal and biological properties of poly(vinyl alcohol)/graphene nanocomposites. J IND ENG CHEM 2016. [DOI: 10.1016/j.jiec.2015.11.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Helmlinger J, Sengstock C, Groß-Heitfeld C, Mayer C, Schildhauer TA, Köller M, Epple M. Silver nanoparticles with different size and shape: equal cytotoxicity, but different antibacterial effects. RSC Adv 2016. [DOI: 10.1039/c5ra27836h] [Citation(s) in RCA: 183] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The influence of silver nanoparticle morphology on their dissolution kinetics in ultrapure water as well as their biological effect on eukaryotic and prokaryotic cells was examined.
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Affiliation(s)
- J. Helmlinger
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
| | - C. Sengstock
- Bergmannsheil University Hospital/Surgical Research
- Ruhr-University of Bochum
- 44789 Bochum
- Germany
| | - C. Groß-Heitfeld
- Physical Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
| | - C. Mayer
- Physical Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
| | - T. A. Schildhauer
- Bergmannsheil University Hospital/Surgical Research
- Ruhr-University of Bochum
- 44789 Bochum
- Germany
| | - M. Köller
- Bergmannsheil University Hospital/Surgical Research
- Ruhr-University of Bochum
- 44789 Bochum
- Germany
| | - M. Epple
- Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE)
- 45117 Essen
- Germany
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Abe Y, Sakai-Kato K, Goda Y. Cell Type-Specific Responses of Peripheral Blood CD14-Positive Monocytes to Liposome-Encapsulated Immunostimulatory siRNA. Biol Pharm Bull 2016; 39:1859-1867. [DOI: 10.1248/bpb.b16-00450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yasuhiro Abe
- Division of Drugs, National Institute of Health Sciences
| | | | - Yukihiro Goda
- Division of Drugs, National Institute of Health Sciences
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