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Das SK, Sen K, Ghosh B, Ghosh N, Sinha K, Sil PC. Molecular mechanism of nanomaterials induced liver injury: A review. World J Hepatol 2024; 16:566-600. [PMID: 38689743 PMCID: PMC11056894 DOI: 10.4254/wjh.v16.i4.566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/05/2024] [Accepted: 03/19/2024] [Indexed: 04/24/2024] Open
Abstract
The unique physicochemical properties inherent to nanoscale materials have unveiled numerous potential applications, spanning beyond the pharmaceutical and medical sectors into various consumer industries like food and cosmetics. Consequently, humans encounter nanomaterials through diverse exposure routes, giving rise to potential health considerations. Noteworthy among these materials are silica and specific metallic nanoparticles, extensively utilized in consumer products, which have garnered substantial attention due to their propensity to accumulate and induce adverse effects in the liver. This review paper aims to provide an exhaustive examination of the molecular mechanisms underpinning nanomaterial-induced hepatotoxicity, drawing insights from both in vitro and in vivo studies. Primarily, the most frequently observed manifestations of toxicity following the exposure of cells or animal models to various nanomaterials involve the initiation of oxidative stress and inflammation. Additionally, we delve into the existing in vitro models employed for evaluating the hepatotoxic effects of nanomaterials, emphasizing the persistent endeavors to advance and bolster the reliability of these models for nanotoxicology research.
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Affiliation(s)
- Sanjib Kumar Das
- Department of Zoology, Jhargram Raj College, Jhargram 721507, India
| | - Koushik Sen
- Department of Zoology, Jhargram Raj College, Jhargram 721507, India
| | - Biswatosh Ghosh
- Department of Zoology, Bidhannagar College, Kolkata 700064, India
| | - Nabanita Ghosh
- Department of Zoology, Maulana Azad College, Kolkata 700013, India
| | - Krishnendu Sinha
- Department of Zoology, Jhargram Raj College, Jhargram 721507, India.
| | - Parames C Sil
- Department of Molecular Medicine, Bose Institute, Calcutta 700054, India
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2
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Stoddart PR, Begeng JM, Tong W, Ibbotson MR, Kameneva T. Nanoparticle-based optical interfaces for retinal neuromodulation: a review. Front Cell Neurosci 2024; 18:1360870. [PMID: 38572073 PMCID: PMC10987880 DOI: 10.3389/fncel.2024.1360870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/04/2024] [Indexed: 04/05/2024] Open
Abstract
Degeneration of photoreceptors in the retina is a leading cause of blindness, but commonly leaves the retinal ganglion cells (RGCs) and/or bipolar cells extant. Consequently, these cells are an attractive target for the invasive electrical implants colloquially known as "bionic eyes." However, after more than two decades of concerted effort, interfaces based on conventional electrical stimulation approaches have delivered limited efficacy, primarily due to the current spread in retinal tissue, which precludes high-acuity vision. The ideal prosthetic solution would be less invasive, provide single-cell resolution and an ability to differentiate between different cell types. Nanoparticle-mediated approaches can address some of these requirements, with particular attention being directed at light-sensitive nanoparticles that can be accessed via the intrinsic optics of the eye. Here we survey the available known nanoparticle-based optical transduction mechanisms that can be exploited for neuromodulation. We review the rapid progress in the field, together with outstanding challenges that must be addressed to translate these techniques to clinical practice. In particular, successful translation will likely require efficient delivery of nanoparticles to stable and precisely defined locations in the retinal tissues. Therefore, we also emphasize the current literature relating to the pharmacokinetics of nanoparticles in the eye. While considerable challenges remain to be overcome, progress to date shows great potential for nanoparticle-based interfaces to revolutionize the field of visual prostheses.
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Affiliation(s)
- Paul R. Stoddart
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
| | - James M. Begeng
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
- Department of Biomedical Engineering, Faculty of Engineering & Information Technology, The University of Melbourne, Melbourne, VIC, Australia
| | - Wei Tong
- Department of Biomedical Engineering, Faculty of Engineering & Information Technology, The University of Melbourne, Melbourne, VIC, Australia
- School of Physics, The University of Melbourne, Melbourne, VIC, Australia
| | - Michael R. Ibbotson
- Department of Biomedical Engineering, Faculty of Engineering & Information Technology, The University of Melbourne, Melbourne, VIC, Australia
| | - Tatiana Kameneva
- School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC, Australia
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3
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Zhang Z, Miao G, Lu L, Yin H, Wang Y, Wang B, Pan R, Zheng C, Jin X. Crucial physicochemical factors mediating mitochondrial toxicity of nanoparticles at noncytotoxic concentration. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168211. [PMID: 37918742 DOI: 10.1016/j.scitotenv.2023.168211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/23/2023] [Accepted: 10/27/2023] [Indexed: 11/04/2023]
Abstract
Nanomaterials have been extensively applied in multiple industries, among which silver nanoparticles (AgNPs), silicon dioxide nanoparticles (SiNPs), and gold nanoparticles (AuNPs) have become representative of widely consumed NPs. Limited knowledge is available regarding the subcellular responses of NPs with different physicochemical properties, i.e. material type and size, under the noncytotoxic concentrations. Macrophages are important sensitive cells exposed to NPs, and mitochondria are sensitive organelles that respond at the subcellular level. Herein, we found that sublethal concentrations of AgNPs and SiNPs, not AuNPs, decreased the mitochondrial membrane potential (MMP) and tubular mitochondria, and further resulted in an increase of ROS level and a decrease of ATP generation. AgNPs and SiNPs can also disturb mitochondrial dynamics manifested as increasing Mfn2 expression and decreasing Drp1 expression. Further assessments for mitochondrial function showed that AgNPs and SiNPs exposure led to a decrease in the gene expressions related to complex I (Ndufa8 and Ndufs2), complex III (Uqcrc2 and Uqcrfs1), complex IV (Cox6b1), and activity of complex I, suggesting their potential roles in impairing cellular respiration. In terms of the effects of NPs with different sizes, stronger toxicity was observed in smaller-sized nanoparticles. Among the above mitochondrial changes, we identified that ROS, ATP, MMP, tubular mitochondria, and expression of Drp1 were relatively sensitive indicators in subcellular response to NPs. With the above sensitive indicators, the comparison of heterogeneity between material type and size of the NPs showed that material type occupied a main influence on subcellular mitochondrial effects. Our finding provided important data on the potential subcellular risks of NPs, and indicated the vital role of material type for a better understanding of the nanomaterial biological safety.
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Affiliation(s)
- Ze Zhang
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Gan Miao
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Lin Lu
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Hao Yin
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Yingzhu Wang
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Baoqiang Wang
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Ruonan Pan
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Chuer Zheng
- School of Public Health, Qingdao University, Qingdao 266071, PR China
| | - Xiaoting Jin
- School of Public Health, Qingdao University, Qingdao 266071, PR China.
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4
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Song M, Aipire A, Dilxat E, Li J, Xia G, Jiang Z, Fan Z, Li J. Research Progress of Polysaccharide-Gold Nanocomplexes in Drug Delivery. Pharmaceutics 2024; 16:88. [PMID: 38258099 PMCID: PMC10820823 DOI: 10.3390/pharmaceutics16010088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/25/2023] [Accepted: 01/02/2024] [Indexed: 01/24/2024] Open
Abstract
Clinical drug administration aims to deliver drugs efficiently and safely to target tissues, organs, and cells, with the objective of enabling their therapeutic effects. Currently, the main approach to enhance a drug's effectiveness is ensuring its efficient delivery to the intended site. Due to the fact that there are still various drawbacks of traditional drug delivery methods, such as high toxicity and side effects, insufficient drug specificity, poor targeting, and poor pharmacokinetic performance, nanocarriers have emerged as a promising alternative. Nanocarriers possess significant advantages in drug delivery due to their size tunability and surface modifiability. Moreover, nano-drug delivery systems have demonstrated strong potential in terms of prolonging drug circulation time, improving bioavailability, increasing drug retention at the tumor site, decreasing drug resistance, as well as reducing the undesirable side effects of anticancer drugs. Numerous studies have focused on utilizing polysaccharides as nanodelivery carriers, developing delivery systems based on polysaccharides, or exploiting polysaccharides as tumor-targeting ligands to enhance the precision of nanoparticle delivery. These types of investigations have become commonplace in the academic literature. This review aims to elucidate the preparation methods and principles of polysaccharide gold nanocarriers. It also provides an overview of the factors that affect the loading of polysaccharide gold nanocarriers with different kinds of drugs. Additionally, it outlines the strategies employed by polysaccharide gold nanocarriers to improve the delivery efficiency of various drugs. The objective is to provide a reference for further development of research on polysaccharide gold nanodelivery systems.
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Affiliation(s)
- Ming Song
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
| | - Adila Aipire
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
| | - Elzira Dilxat
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
| | - Jianmin Li
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
| | - Guoyu Xia
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
| | - Ziwen Jiang
- Department of Gynecology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital, Beijing 100006, China;
| | - Zhongxiong Fan
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
| | - Jinyao Li
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China; (M.S.); (A.A.); (E.D.); (J.L.); (G.X.)
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5
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Kim H, Lee YJ, Kwon Y, Kim J. Efficient generation of brain organoids using magnetized gold nanoparticles. Sci Rep 2023; 13:21240. [PMID: 38040919 PMCID: PMC10692130 DOI: 10.1038/s41598-023-48655-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 11/29/2023] [Indexed: 12/03/2023] Open
Abstract
Brain organoids, which are three-dimensional cell culture models, have the ability to mimic certain structural and functional aspects of the human brain. However, creating these organoids can be a complicated and difficult process due to various technological hurdles. This study presents a method for effectively generating cerebral organoids from human induced pluripotent stem cells (hiPSCs) using electromagnetic gold nanoparticles (AuNPs). By exposing mature cerebral organoids to magnetized AuNPs, we were able to cultivate them in less than 3 weeks. The initial differentiation and neural induction of the neurosphere occurred within the first week, followed by maturation, including regional patterning and the formation of complex networks, during the subsequent 2 weeks under the influence of magnetized AuNPs. Furthermore, we observed a significant enhancement in neurogenic maturation in the brain organoids, as evidenced by increased histone acetylation in the presence of electromagnetic AuNPs. Consequently, electromagnetic AuNPs offer a promising in vitro system for efficiently generating more advanced human brain organoids that closely resemble the complexity of the human brain.
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Affiliation(s)
- Hongwon Kim
- Laboratory of Stem Cells & Gene Editing, Department of Chemistry, Dongguk University, Pildong-Ro 1-Gil 30, Jung-Gu, Seoul, 04620, Republic of Korea
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ, 08854, USA
| | - Yoo-Jung Lee
- Laboratory of Stem Cells & Gene Editing, Department of Chemistry, Dongguk University, Pildong-Ro 1-Gil 30, Jung-Gu, Seoul, 04620, Republic of Korea
| | - Youngeun Kwon
- Laboratory of Protein Engineering, Department of Biomedical Engineering, Dongguk University, Seoul, 04620, Republic of Korea
| | - Jongpil Kim
- Laboratory of Stem Cells & Gene Editing, Department of Chemistry, Dongguk University, Pildong-Ro 1-Gil 30, Jung-Gu, Seoul, 04620, Republic of Korea.
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6
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Huang X, Kaneda-Nakashima K, Kadonaga Y, Kabayama K, Shimoyama A, Ooe K, Kato H, Toyoshima A, Shinohara A, Haba H, Wang Y, Fukase K. Astatine-211-Labeled Gold Nanoparticles for Targeted Alpha-Particle Therapy via Intravenous Injection. Pharmaceutics 2022; 14:pharmaceutics14122705. [PMID: 36559199 PMCID: PMC9782038 DOI: 10.3390/pharmaceutics14122705] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/26/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
Alpha-particle radiotherapy has gained considerable attention owing to its potent anti-cancer effect. 211At, with a relatively short half-life of 7.2 h, emits an alpha particle within a few cell diameters with high kinetic energy, which damages cancer cells with high biological effectiveness. In this study, we investigated the intravenous injection of 211At-labeled gold nanoparticles (AuNPs) for targeted alpha-particle therapy (TAT). Different kinds of surface-modified gold nanoparticles can be labeled with 211At in high radiochemical yield in 5 min, and no purification is necessary. The in vivo biodistribution results showed the accumulation of 5 nm 211At-AuNPs@mPEG at 2.25% injection dose per gram (% ID/g) in tumors within 3 h via the enhanced permeability and retention (EPR) effect. Additionally, we observed a long retention time in tumor tissues within 24 h. This is the first study to demonstrate the anti-tumor efficacy of 5 nm 211At-AuNPs@mPEG that can significantly suppress tumor growth in a pancreatic cancer model via intravenous administration. AuNPs are satisfactory carriers for 211At delivery, due to simple and efficient synthesis processes and high stability. The intravenous administration of 5 nm 211At-AuNPs@mPEG has a significant anti-tumor effect. This study provides a new framework for designing nanoparticles suitable for targeted alpha-particle therapy via intravenous injection.
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Affiliation(s)
- Xuhao Huang
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
| | - Kazuko Kaneda-Nakashima
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Core for Medicine and Science Collaborative Research and Education, Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
| | - Yuichiro Kadonaga
- Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita 565-0871, Osaka, Japan
| | - Kazuya Kabayama
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Core for Medicine and Science Collaborative Research and Education, Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
| | - Atsushi Shimoyama
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Core for Medicine and Science Collaborative Research and Education, Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
| | - Kazuhiro Ooe
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Core for Medicine and Science Collaborative Research and Education, Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
| | - Hiroki Kato
- Department of Nuclear Medicine and Tracer Kinetics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita 565-0871, Osaka, Japan
| | - Atsushi Toyoshima
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Core for Medicine and Science Collaborative Research and Education, Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
| | - Atsushi Shinohara
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Faculty of Health Science, Osaka Aoyama University, 2-11-1 Niina, Minoh 562-8580, Osaka, Japan
| | - Hiromitsu Haba
- Nishina Center for Accelerator-Based Science, RIKEN, 2-1 Hirosawa, Wako 351-0198, Saitama, Japan
| | - Yang Wang
- Nishina Center for Accelerator-Based Science, RIKEN, 2-1 Hirosawa, Wako 351-0198, Saitama, Japan
| | - Koichi Fukase
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Division of Science, Institute for Radiation Sciences, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Core for Medicine and Science Collaborative Research and Education, Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka 560-0043, Osaka, Japan
- Correspondence: ; Tel.: +81-6-6850-5391
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7
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Morfill C, Pankratova S, Machado P, Fernando NK, Regoutz A, Talamona F, Pinna A, Klosowski M, Wilkinson RJ, Fleck RA, Xie F, Porter AE, Kiryushko D. Nanostars Carrying Multifunctional Neurotrophic Dendrimers Protect Neurons in Preclinical In Vitro Models of Neurodegenerative Disorders. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47445-47460. [PMID: 36218307 PMCID: PMC9614720 DOI: 10.1021/acsami.2c14220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/26/2022] [Indexed: 05/06/2023]
Abstract
A challenge in neurology is the lack of efficient brain-penetrable neuroprotectants targeting multiple disease mechanisms. Plasmonic gold nanostars are promising candidates to deliver standard-of-care drugs inside the brain but have not been trialed as carriers for neuroprotectants. Here, we conjugated custom-made peptide dendrimers (termed H3/H6), encompassing motifs of the neurotrophic S100A4-protein, onto star-shaped and spherical gold nanostructures (H3/H6-AuNS/AuNP) and evaluated their potential as neuroprotectants and interaction with neurons. The H3/H6 nanostructures crossed a model blood-brain barrier, bound to plasma membranes, and induced neuritogenesis with the AuNS, showing higher potency/efficacy than the AuNP. The H3-AuNS/NP protected neurons against oxidative stress, the H3-AuNS being more potent, and against Parkinson's or Alzheimer's disease (PD/AD)-related cytotoxicity. Unconjugated S100A4 motifs also decreased amyloid beta-induced neurodegeneration, introducing S100A4 as a player in AD. Using custom-made dendrimers coupled to star-shaped nanoparticles is a promising route to activate multiple neuroprotective pathways and increase drug potency to treat neurodegenerative disorders.
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Affiliation(s)
- Corinne Morfill
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
| | - Stanislava Pankratova
- Department
of Neuroscience, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen2200N, Denmark
- Comparative
Paediatrics and Nutrition, Department of Veterinary and Animal Sciences,
Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen2200N, Denmark
| | - Pedro Machado
- Centre
for Ultrastructural Imaging, Kings College
London, LondonSE1 1UL, UK
| | - Nathalie K. Fernando
- Department
of Chemistry, University College London, 20 Gordon Street, LondonWC1H 0AJ, UK
| | - Anna Regoutz
- Department
of Chemistry, University College London, 20 Gordon Street, LondonWC1H 0AJ, UK
| | - Federica Talamona
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
| | - Alessandra Pinna
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
- The Francis
Crick Institute, LondonNW11 AT, UK
| | - Michal Klosowski
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
| | - Robert J. Wilkinson
- The Francis
Crick Institute, LondonNW11 AT, UK
- Imperial
College, Exhibition Road, LondonSW7 2AZ, UK
| | - Roland A. Fleck
- Centre
for Ultrastructural Imaging, Kings College
London, LondonSE1 1UL, UK
| | - Fang Xie
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
| | - Alexandra E. Porter
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
| | - Darya Kiryushko
- Department
of Materials and London Centre for Nanotechnology, Imperial College, Exhibition Road, LondonSW7 2AZ, UK
- Centre
for Neuroinflammation and Neurodegeneration, Imperial College London, Hammersmith Hospital Campus, Burlington Danes Building, 160 Du
Cane Road, LondonW12 0NN, UK
- Experimental
Solid State Physics Group, Department of Physics, Imperial College, Exhibition Road, LondonSW72AZ, UK
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pH-Responsive PEGylated Niosomal Nanoparticles as an Active-Targeting Cyclophosphamide Delivery System for Gastric Cancer Therapy. Molecules 2022; 27:molecules27175418. [PMID: 36080186 PMCID: PMC9457647 DOI: 10.3390/molecules27175418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/13/2022] [Accepted: 08/18/2022] [Indexed: 11/17/2022] Open
Abstract
A PEGylated niosomal formulation of cyclophosphamide (Nio-Cyclo-PEG) was prepared using a central composite design and characterized in terms of drug loading, size distribution, and average size. The stability of formulations was also studied at different conditions. In vitro cytotoxicity of drug delivery formulations was assessed on gastric cancer cells using MTT assay. The mechanism of cytotoxicity was studied at the transcriptional level by real-time PCR on Caspase3, Caspase9, CyclinD, CyclinE, MMP-2, and MMP-9 genes, while apoptosis was investigated with flow cytometry. The anti-metastatic property was evaluated using the scratch method. Propidium iodide staining was used to study the cell cycle. The results indicated that the as-designed nanocarrier exhibited a controlled drug release pattern with improved nanoparticle stability. It was found that the living cancer cells treated with Nio-Cyclo-PEG showed a significant decrease in number when compared with the niosomal carrier without PEG (Nio-Cyclo) and free drug (Cyclo). Moreover, the drug-loaded nanocarrier induced planned death (apoptosis) in the cancer cells through the regulation of Caspase3, Caspase9, CyclinD, CyclinE, MMP-9, and MMP-2 gene expression, indicating that the Nio-Cyclo-PEG formulation could significantly inhibit the cell cycle at the sub G1 phase as well as prevent the migration of cancer cells. In conclusion, Nio-Cyclo-PEG as developed in this study could serve as an active-targeting drug delivery nanocarriers for gastric cancer therapy with high efficacy and minimal side effects on healthy tissues/cells.
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Silicon-Gold Nanoparticles Affect Wharton's Jelly Phenotype and Secretome during Tri-Lineage Differentiation. Int J Mol Sci 2022; 23:ijms23042134. [PMID: 35216249 PMCID: PMC8874983 DOI: 10.3390/ijms23042134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 12/14/2022] Open
Abstract
Multiple studies have demonstrated that various nanoparticles (NPs) stimulate osteogenic differentiation of mesenchymal stem cells (MSCs) and inhibit adipogenic ones. The mechanisms of these effects are not determined. The aim of this paper was to estimate Wharton’s Jelly MSCs phenotype and humoral factor production during tri-lineage differentiation per se and in the presence of silicon–gold NPs. Silicon (SiNPs), gold (AuNPs), and 10% Au-doped Si nanoparticles (SiAuNPs) were synthesized by laser ablation, characterized, and studied in MSC cultures before and during differentiation. Humoral factor production (n = 41) was analyzed by Luminex technology. NPs were nontoxic, did not induce ROS production, and stimulated G-CSF, GM-CSF, VEGF, CXCL1 (GRO) production in four day MSC cultures. During MSC differentiation, all NPs stimulated CD13 and CD90 expression in osteogenic cultures. MSC differentiation resulted in a decrease in multiple humoral factor production to day 14 of incubation. NPs did not significantly affect the production in chondrogenic cultures and stimulated it in both osteogenic and adipogenic ones. The major difference in the protein production between osteogenic and adipogenic MSC cultures in the presence of NPs was VEGF level, which was unaffected in osteogenic cells and 4–9 times increased in adipogenic ones. The effects of NPs decreased in a row AuNPs > SiAuNPs > SiNPs. Taken collectively, high expression of CD13 and CD90 by MSCs and critical level of VEGF production can, at least, partially explain the stimulatory effect of NPs on MSC osteogenic differentiation.
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Acute exposure to gold nanoparticles aggravates lipopolysaccharide-induced liver injury by amplifying apoptosis via ROS-mediated macrophage-hepatocyte crosstalk. J Nanobiotechnology 2022; 20:37. [PMID: 35057820 PMCID: PMC8772144 DOI: 10.1186/s12951-021-01203-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 12/10/2021] [Indexed: 12/18/2022] Open
Abstract
Background Gold nanoparticles (AuNPs) are increasingly utilized in industrial and biomedical fields, thereby demanding a more comprehensive knowledge about their safety. Current toxicological studies mainly focus on the unfavorable biological impact governed by the physicochemical properties of AuNPs, yet the consequences of their interplay with other bioactive compounds in biological systems are poorly understood. Results In this study, AuNPs with a size of 10 nm, the most favorable size for interaction with host cells, were given alone or in combination with bacterial lipopolysaccharide (LPS) in mice or cultured hepatic cells. The results demonstrated that co exposure to AuNPs and LPS exacerbated fatal acute liver injury (ALI) in mice, although AuNPs are apparently non-toxic when administered alone. AuNPs do not enhance systemic or hepatic inflammation but synergize with LPS to upregulate hepatic apoptosis by augmenting macrophage-hepatocyte crosstalk. Mechanistically, AuNPs and LPS coordinate to upregulate NADPH oxidase 2 (NOX2)-dependent reactive oxygen species (ROS) generation and activate the intrinsic apoptotic pathway in hepatic macrophages. Extracellular ROS generation from macrophages is then augmented, thereby inducing calcium-dependent ROS generation and promoting apoptosis in hepatocytes. Furthermore, AuNPs and LPS upregulate scavenger receptor A expression in macrophages and thus increase AuNP uptake to mediate further apoptosis induction. Conclusions This study reveals a profound impact of AuNPs in aggravating the hepatotoxic effect of LPS by amplifying ROS-dependent crosstalk in hepatic macrophages and hepatocytes. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01203-w.
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Liu X, Qiu Y, Jiang D, Li F, Gan Y, Zhu Y, Pan Y, Wan H, Wang P. Covalently grafting first-generation PAMAM dendrimers onto MXenes with self-adsorbed AuNPs for use as a functional nanoplatform for highly sensitive electrochemical biosensing of cTnT. MICROSYSTEMS & NANOENGINEERING 2022; 8:35. [PMID: 35450327 PMCID: PMC8967855 DOI: 10.1038/s41378-022-00352-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/26/2021] [Accepted: 12/28/2021] [Indexed: 05/16/2023]
Abstract
2D MXene-Ti3C2Tχ has demonstrated promising application prospects in various fields; however, it fails to function properly in biosensor setups due to restacking and anodic oxidation problems. To expand beyond these existing limitations, an effective strategy to for modifying the MXene by covalently grafting first-generation poly(amidoamine) dendrimers onto an MXene in situ (MXene@PAMAM) was reported herein. When used as a conjugated template, the MXene not only preserved the high conductivity but also conferred a specific 2D architecture and large specific surface areas for anchoring PAMAM. The PAMAM, an efficient spacer and stabilizer, simultaneously suppressed the substantial restacking and oxidation of the MXene, which endowed this hybrid with improved electrochemical performance compared to that of the bare MXene in terms of favorable conductivity and stability under anodic potential. Moreover, the massive amino terminals of PAMAM offer abundant active sites for adsorbing Au nanoparticles (AuNPs). The resulting 3D hierarchical nanoarchitecture, AuNPs/MXene@PAMAM, had advanced structural merits that led to its superior electrochemical performance in biosensing. As a proof of concept, this MXene@PAMAM-based nanobiosensing platform was applied to develop an immunosensor for detecting human cardiac troponin T (cTnT). A fast, sensitive, and highly selective response toward the target in the presence of a [Fe(CN)6]3-/4- redox marker was realized, ensuring a wide detection of 0.1-1000 ng/mL with an LOD of 0.069 ng/mL. The sensor's signal only decreased by 4.38% after 3 weeks, demonstrating that it exhibited satisfactory stability and better results than previously reported MXene-based biosensors. This work has potential applicability in the bioanalysis of cTnT and other biomarkers and paves a new path for fabricating high-performance MXenes for biomedical applications and electrochemical engineering.
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Affiliation(s)
- Xin Liu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
- Cancer Centre, Zhejiang University, 310058 Hangzhou, Zhejiang China
- State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- Binjiang Institute of Zhejiang University, 310053 Hangzhou, China
| | - Yong Qiu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Deming Jiang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Fengheng Li
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Ying Gan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
- School of Biomedical Engineering, Tianjin Medical University, 300070 Tianjin, China
| | - Yuxuan Zhu
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Yuxiang Pan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
- Research Center of Smart Sensing, ZhejiangLab, 310027 Hangzhou, China
| | - Hao Wan
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
- Cancer Centre, Zhejiang University, 310058 Hangzhou, Zhejiang China
- State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- Binjiang Institute of Zhejiang University, 310053 Hangzhou, China
| | - Ping Wang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Education Ministry, Department of Biomedical Engineering, Zhejiang University, 310027 Hangzhou, China
- Cancer Centre, Zhejiang University, 310058 Hangzhou, Zhejiang China
- State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- Binjiang Institute of Zhejiang University, 310053 Hangzhou, China
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12
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Electromagnetized gold nanoparticles improve neurogenesis and cognition in the aged brain. Biomaterials 2021; 278:121157. [PMID: 34601195 DOI: 10.1016/j.biomaterials.2021.121157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/17/2021] [Accepted: 09/26/2021] [Indexed: 12/30/2022]
Abstract
Adult neurogenesis is the lifelong process by which new neurons are generated in the dentate gyrus. However, adult neurogenesis capacity decreases with age, and this decrease is closely linked to cognitive and memory decline. Our study demonstrated that electromagnetized gold nanoparticles (AuNPs) promote adult hippocampal neurogenesis, thereby improving cognitive function and memory consolidation in aged mice. According to single-cell RNA sequencing data, the numbers of neural stem cells (NSCs) and neural progenitors were significantly increased by electromagnetized AuNPs. Additionally, electromagnetic stimulation resulted in specific activation of the histone acetyltransferase Kat2a, which led to histone H3K9 acetylation in adult NSCs. Moreover, in vivo electromagnetized AuNP stimulation efficiently increased hippocampal neurogenesis in aged and Hutchinson-Gilford progeria mouse brains, thereby alleviating the symptoms of aging. Therefore, our study provides a proof-of-concept for the in vivo stimulation of hippocampal neurogenesis using electromagnetized AuNPs as a promising therapeutic strategy for the treatment of age-related brain diseases.
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Assessing Suitability of Co@Au Core/Shell Nanoparticle Geometry for Improved Theranostics in Colon Carcinoma. NANOMATERIALS 2021; 11:nano11082048. [PMID: 34443879 PMCID: PMC8401835 DOI: 10.3390/nano11082048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 07/27/2021] [Accepted: 08/06/2021] [Indexed: 12/15/2022]
Abstract
The interactions between cells and nanomaterials at the nanoscale play a pivotal role in controlling cellular behavior and ample evidence links cell intercommunication to nanomaterial size. However, little is known about the effect of nanomaterial geometry on cell behavior. To elucidate this and to extend the application in cancer theranostics, we have engineered core–shell cobalt–gold nanoparticles with spherical (Co@Au NPs) and elliptical morphology (Co@Au NEs). Our results show that owing to superparamagnetism, Co@Au NPs can generate hyperthermia upon magnetic field stimulation. In contrast, due to the geometric difference, Co@Au NEs can be optically excited to generate hyperthermia upon photostimulation and elevate the medium temperature to 45 °C. Both nanomaterial geometries can be employed as prospective contrast agents; however, at identical concentration, Co@Au NPs exhibited 4-fold higher cytotoxicity to L929 fibroblasts as compared to Co@Au NEs, confirming the effect of nanomaterial geometry on cell fate. Furthermore, photostimulation-generated hyperthermia prompted detachment of anti-cancer drug, Methotrexate (MTX), from Co@Au NEs-MTX complex and which triggered 90% decrease in SW620 colon carcinoma cell viability, confirming their application in cancer theranostics. The geometry-based perturbation of cell fate can have a profound impact on our understanding of interactions at nano-bio interface which can be exploited for engineering materials with optimized geometries for superior theranostic applications.
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Lorenzo-Anota HY, Zarate-Triviño DG, Uribe-Echeverría JA, Ávila-Ávila A, Rangel-López JR, Martínez-Torres AC, Rodríguez-Padilla C. Chitosan-Coated Gold Nanoparticles Induce Low Cytotoxicity and Low ROS Production in Primary Leucocytes, Independent of Their Proliferative Status. Pharmaceutics 2021; 13:942. [PMID: 34202522 PMCID: PMC8309170 DOI: 10.3390/pharmaceutics13070942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/16/2021] [Accepted: 06/18/2021] [Indexed: 01/02/2023] Open
Abstract
(1) Background: Chitosan-coated gold nanoparticles (CH-AuNPs) have important theranostic applications in biomedical sciences, including cancer research. However, although cell cytotoxicity has been studied in cancerous cells, little is known about their effect in proliferating primary leukocytes. Here, we assessed the effect of CH-AuNPs and the implication of ROS on non-cancerous endothelial and fibroblast cell lines and in proliferative lymphoid cells. (2) Methods: The Turkevich method was used to synthetize gold nanoparticles. We tested cell viability, cell death, ROS production, and cell cycle in primary lymphoid cells, compared with non-cancer and cancer cell lines. Concanavalin A (ConA) or lipopolysaccharide (LPS) were used to induce proliferation on lymphoid cells. (3) Results: CH-AuNPs presented high cytotoxicity and ROS production against cancer cells compared to non-cancer cells; they also induced a different pattern of ROS production in peripheral blood mononuclear cells (PBMCs). No significant cell-death difference was found in PBMCs, splenic mononuclear cells, and bone marrow cells (BMC) with or without a proliferative stimuli. (4) Conclusions: Taken together, our results highlight the selectivity of CH-AuNPs to cancer cells, discarding a consistent cytotoxicity upon proliferative cells including endothelial, fibroblast, and lymphoid cells, and suggest their application in cancer treatment without affecting immune cells.
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Affiliation(s)
- Helen Yarimet Lorenzo-Anota
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
| | - Diana G. Zarate-Triviño
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
| | - Jorge Alberto Uribe-Echeverría
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
| | - Andrea Ávila-Ávila
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
| | - José Raúl Rangel-López
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
| | - Ana Carolina Martínez-Torres
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
| | - Cristina Rodríguez-Padilla
- Facultad de Ciencias Biológicas, Laboratorio de Inmunología y Virología, Monterrey, Universidad Autónoma de Nuevo León, Nuevo León 66455, Mexico; (H.Y.L.-A.); (D.G.Z.-T.); (J.A.U.-E.); (A.Á.-Á.); (J.R.R.-L.); (C.R.-P.)
- LONGEVEDEN SA de CV, Monterrey, Nuevo León 64710, Mexico
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15
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Abbasi F, Samaei MR, Hashemi H, Savardashtaki A, Azhdarpoor A, Fallahi MJ, Jalili M, Billet S. The toxicity of SiO 2 NPs on cell proliferation and cellular uptake of human lung fibroblastic cell line during the variation of calcination temperature and its modeling by artificial neural network. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:985-995. [PMID: 34150286 PMCID: PMC8172710 DOI: 10.1007/s40201-021-00663-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 04/05/2021] [Indexed: 05/05/2023]
Abstract
Less attention had been paid to cell toxicity of the various synthesis methods of nanoparticles, this study investigated the effect of the calcination temperature(CT) on the crystallization of SiO2 nanoparticles(NPs), cell proliferation(CP), and cellular uptake(CU) in MRC-5. In this study, parameters were adjusted as CT(70-1000 °C), calcination time(2, 12, and 24 h), and catalyst feed rate(0.01, 0.05, and 0.1 mL.min1). CP was determined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) test after a 24-h exposure. The CU was achieved using ICP-MS. Results were analyzed using MATLAB2018. Results revealed that the size of synthesized particles was lower than 50 nm and, the XRD peak varied from 21 to 30° during the increase in CT. FTIR spectra confirmed the existence of Si-O and Si-Cl bonds. The maximum level of crystallization was at 1000 °C. CP decreased with the rise in the concentration of NPs(p < 0.05), as well as an increase in feed rate. A positive relationship between increased crystallization and decreased CP(R = 0.78) was seen, while such a trend was not observed in calcination time. The suggested structure in this study was 4:10:1 with Rall = 0.97, Rtest = 0.97, RMSE = 0.25, and MSE = 0.003. Furthermore, the CU rate increased with the rise in CT and calcination time. The maximum and minimum CU levels were related to NPs calcinated in 1000 °C-24 h and 350 °C-2 h, respectively. As a consequence, the most toxicity of SiO2 NPs was related to the crystalline NP. Therefore, the increase in CT and the calcination time were significant factors affecting on crystallization of SiO2 NPs, CP of lung cell, as well as CU of SiO2. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40201-021-00663-4.
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Affiliation(s)
- Fariba Abbasi
- Department of Environmental Health Engineering, Shiraz University of medical science, Shiraz, Iran
| | - Mohammad Reza Samaei
- Department of Environmental Health Engineering, Shiraz University of medical science, Shiraz, Iran
| | - Hassan Hashemi
- Department of Environmental Health Engineering, Shiraz University of medical science, Shiraz, Iran
| | - Amir Savardashtaki
- Department of Medical Biotechnology, Shiraz University of medical science, Shiraz, Iran
| | - Abooalfazl Azhdarpoor
- Department of Environmental Health Engineering, Shiraz University of medical science, Shiraz, Iran
| | | | - Mahrokh Jalili
- Environmental science and technology research center, Department of environmental health engineering, school of public health, Shahid sadoughi University of medical science, Yazd, Iran
| | - Sylvain Billet
- UR4492, Unité de Chimie Environnementale et Interactions sur le Vivant, SFR Condorcet FR CNRS 3417, Université du Littoral Côte d’Opale, Dunkerque, France
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16
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Kumar S, Singhal A, Narang U, Mishra S, Kumari P. Recent Progresses in Organic-Inorganic Nano Technological Platforms for Cancer Therapeutics. Curr Med Chem 2021; 27:6015-6056. [PMID: 30585536 DOI: 10.2174/0929867326666181224143734] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 11/27/2018] [Accepted: 12/03/2018] [Indexed: 12/24/2022]
Abstract
Nanotechnology offers promising tools in interdisciplinary research areas and getting an upsurge of interest in cancer therapeutics. Organic nanomaterials and inorganic nanomaterials bring revolutionary advancement in cancer eradication process. Oncology is achieving new heights under nano technological platform by expediting chemotherapy, radiotherapy, photo thermodynamic therapy, bio imaging and gene therapy. Various nanovectors have been developed for targeted therapy which acts as "Nano-bullets" for tumor cells selectively. Recently combinational therapies are catching more attention due to their enhanced effect leading towards the use of combined organicinorganic nano platforms. The current review covers organic, inorganic and their hybrid nanomaterials for various therapeutic action. The technological aspect of this review emphasizes on the use of inorganic-organic hybrids and combinational therapies for better results and also explores the future opportunities in this field.
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Affiliation(s)
- Sanjay Kumar
- Department of Chemistry, Himachal Pradesh University, Shimla, India,Department of Chemistry, Deshbandhu College, University of Delhi, New Delhi, India
| | - Anchal Singhal
- Department of chemistry, St. Joseph College, Banglore, India
| | - Uma Narang
- Department of Chemistry, University of Delhi, New Delhi, India
| | - Sweta Mishra
- Department of Chemistry, University of Delhi, New Delhi, India
| | - Pratibha Kumari
- Department of Chemistry, Deshbandhu College, University of Delhi, New Delhi, India
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Rajabi A, Saber A, Pourmahdi M, Emami A, Ravanbakhsh R, Khodavirdipour A, Khodaei M, Akbarzadeh M, Abdolahi S, Hosseinpourfeizi MA, Safaralizadeh R. Anti-Cancer Effect of Melatonin via Downregulation of Delta-like Ligand 4 in Estrogen-Responsive Breast Cancer Cells. Recent Pat Anticancer Drug Discov 2020; 15:329-340. [PMID: 32990541 DOI: 10.2174/1574892815666200929145236] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/12/2020] [Accepted: 08/12/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND The Notch signaling pathway has a key role in angiogenesis and Delta - Like Ligand 4 (DLL4) is one of the main ligands of Notch involved in cell proliferation in sprouting vessels. OBJECTIVE In this study, we aimed to evaluate the expression of DLL4 in primary breast tumors and to examine the effect of melatonin on DLL4 expression in vitro. METHODS Eighty-five breast tumor and paired adjacent non-tumor tissue samples were collected. Apoptosis assay was performed on breast cancer cells to evaluate melatonin effects. Western blot and quantitative RT-PCR were used to measure DLL4 expression. Then, we investigated the effect of melatonin on the expression of DLL4 in four breast cancer cell lines at RNA and protein levels. We also performed a probabilistic neural network analysis to study genes closely associated with DLL4 expression. RESULTS Our results showed a significantly higher expression of DLL4 in tumor tissues compared to non-tumor tissues (P = 0.027). Melatonin treatment substantially attenuated DLL4 expression in BT474 and MCF-7 cells, but not in SK-BR-3 and MDA-MB-231 cells. Also, melatonin induced apoptosis in all four cell lines. Network analysis revealed a set of 15 genes that had close association and interaction with DLL4. DLL4 was overexpressed in breast cancer tissues as compared to the non-tumor tissues. CONCLUSION It can be concluded that melatonin treatment attenuated DLL4 expression only in estrogen- responsive breast cancer cells and is able to induce apoptosis in breast cancer cells.
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Affiliation(s)
- Ali Rajabi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Ali Saber
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Mahsa Pourmahdi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Ali Emami
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Reyhaneh Ravanbakhsh
- Department of Aquatic Biotechnology, Artemia and Aquaculture Research Institute, Urmia University, Urmia, Iran
| | - Amir Khodavirdipour
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Mehran Khodaei
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Molood Akbarzadeh
- Department of Biology, Faculty of Sciences, Azerbaijan Shahid Madani University, Tabriz, Iran
| | - Sepehr Abdolahi
- Department of Biology, Faculty of Sciences, Azerbaijan Shahid Madani University, Tabriz, Iran
| | | | - Reza Safaralizadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
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18
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Hassan M, Nakayama M, Salah M, Akasaka H, Kubota H, Nakahana M, Tagawa T, Morita K, Nakaoka A, Ishihara T, Miyawaki D, Yoshida K, Nishimura Y, Ogino C, Sasaki R. A Comparative Assessment of Mechanisms and Effectiveness of Radiosensitization by Titanium Peroxide and Gold Nanoparticles. NANOMATERIALS 2020; 10:nano10061125. [PMID: 32517328 PMCID: PMC7353194 DOI: 10.3390/nano10061125] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 05/28/2020] [Accepted: 06/05/2020] [Indexed: 12/22/2022]
Abstract
The development of potentially safe radiosensitizing agents is essential to enhance the treatment outcomes of radioresistant cancers. The titanium peroxide nanoparticle (TiOxNP) was originally produced using the titanium dioxide nanoparticle, and it showed excellent reactive oxygen species (ROS) generation in response to ionizing radiation. Surface coating the TiOxNPs with polyacrylic acid (PAA) showed low toxicity to the living body and excellent radiosensitizing effect on cancer cells. Herein, we evaluated the mechanism of radiosensitization by PAA-TiOxNPs in comparison with gold nanoparticles (AuNPs) which represent high-atomic-number nanoparticles that show a radiosensitizing effect through the emission of secondary electrons. The anticancer effects of both nanoparticles were compared by induction of apoptosis, colony-forming assay, and the inhibition of tumor growth. PAA-TiOxNPs showed a significantly more radiosensitizing effect than that of AuNPs. A comparison of the types and amounts of ROS generated showed that hydrogen peroxide generation by PAA-TiOxNPs was the major factor that contributed to the nanoparticle radiosensitization. Importantly, PAA-TiOxNPs were generally nontoxic to healthy mice and caused no histological abnormalities in the liver, kidney, lung, and heart tissues.
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Affiliation(s)
- Mennaallah Hassan
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
- Department of Clinical Oncology, Faculty of Medicine, Sohag University, Sohag 82524, Egypt
| | - Masao Nakayama
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
- Discipline of Medical Radiations, School of Biomedical & Health Sciences, RMIT University, Bundoora Campus, Victoria 3083, Australia
| | - Mohammed Salah
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
- Department of Biochemistry, Faculty of Veterinary Medicine, South Valley University, Qena 83522, Egypt
| | - Hiroaki Akasaka
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Hikaru Kubota
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Makiko Nakahana
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Tatsuichiro Tagawa
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Kenta Morita
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodaicho, Nada-ku, Kobe 657-8501, Japan; (K.M.); (Y.N.); (C.O.)
- Research Facility Center for Science and Technology, Kobe University, 1-1 Rokkodaicho, Nada-ku, Kobe 657-8501, Japan
| | - Ai Nakaoka
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Takeaki Ishihara
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Daisuke Miyawaki
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Kenji Yoshida
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
| | - Yuya Nishimura
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodaicho, Nada-ku, Kobe 657-8501, Japan; (K.M.); (Y.N.); (C.O.)
| | - Chiaki Ogino
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodaicho, Nada-ku, Kobe 657-8501, Japan; (K.M.); (Y.N.); (C.O.)
| | - Ryohei Sasaki
- Division of Radiation Oncology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Chuo-ku, Kobe 650-0017, Japan; (M.H.); (M.N.); (M.S.); (H.A.); (H.K.); (M.N.); (T.T.); (A.N.); (T.I.); (D.M.); (K.Y.)
- Correspondence: ; Tel.: +81-78-3825687; Fax: +81-78-3826734
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Huang Q, Zhang J, Zhang Y, Timashev P, Ma X, Liang XJ. Adaptive changes induced by noble-metal nanostructures in vitro and in vivo. Theranostics 2020; 10:5649-5670. [PMID: 32483410 PMCID: PMC7254997 DOI: 10.7150/thno.42569] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 03/01/2020] [Indexed: 12/26/2022] Open
Abstract
The unique features of noble-metal nanostructures (NMNs) are leading to unprecedented expansion of research and exploration of their application in therapeutics, diagnostics and bioimaging fields. With the ever-growing applications of NMNs, both therapeutic and environmental NMNs are likely to be exposed to tissues and organs, requiring careful studies towards their biological effects in vitro and in vivo. Upon NMNs exposure, tissues and cells may undergo a series of adaptive changes both in morphology and function. At the cellular level, the accumulation of NMNs in various subcellular organelles including lysosomes, endoplasmic reticulum, Golgi apparatus, mitochondria, and nucleus may interfere with their functions, causing changes in a variety of cellular functions, such as digestion, protein synthesis and secretion, energy metabolism, mitochondrial respiration, and proliferation. In animals, retention of NMNs in metabolic-, respiratory-, immune-related, and other organs can trigger significant physiological and pathological changes to these organs and influence their functions. Exploring how NMNs interact with tissues and cells and the underlying mechanisms are of vital importance for their future applications. Here, we illustrate the characteristics of NMNs-induced adaptive changes both in vitro and in vivo. Potential strategies in the design of NMNs are also discussed to take advantage of beneficial adaptive changes and avoid unfavorable changes for the proper implementation of these nanoplatforms.
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Affiliation(s)
- Qianqian Huang
- 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 Sciences, Beijing 100049, China
- Sino-Danish Center for Education and Research, Sino-Danish College of University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jinchao Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, College of Chemistry & Environmental Science, Hebei University, Baoding 071002, China
| | - Yuanyuan Zhang
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
| | - Xiaowei Ma
- 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 Sciences, Beijing 100049, China
| | - Xing-Jie Liang
- 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 Sciences, Beijing 100049, China
- Sino-Danish Center for Education and Research, Sino-Danish College of University of Chinese Academy of Sciences, Beijing, 100049, China
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Sun H, Wang X, Zhai S. The Rational Design and Biological Mechanisms of Nanoradiosensitizers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E504. [PMID: 32168899 PMCID: PMC7153263 DOI: 10.3390/nano10030504] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/06/2020] [Accepted: 03/07/2020] [Indexed: 01/01/2023]
Abstract
Radiotherapy (RT) has been widely used for cancer treatment. However, the intrinsic drawbacks of RT, such as radiotoxicity in normal tissues and tumor radioresistance, promoted the development of radiosensitizers. To date, various kinds of nanoparticles have been found to act as radiosensitizers in cancer radiotherapy. This review focuses on the current state of nanoradiosensitizers, especially the related biological mechanisms, and the key design strategies for generating nanoradiosensitizers. The regulation of oxidative stress, DNA damage, the cell cycle, autophagy and apoptosis by nanoradiosensitizers in vitro and in vivo is highlighted, which may guide the rational design of therapeutics for tumor radiosensitization.
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Affiliation(s)
- Hainan Sun
- Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, Shandong, China; (H.S.); (X.W.)
- Shandong Vocational College of Light Industry, Zibo 255300, Shandong, China
| | - Xiaoling Wang
- Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, Shandong, China; (H.S.); (X.W.)
| | - Shumei Zhai
- Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, Shandong, China; (H.S.); (X.W.)
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Mendozza M, Caselli L, Salvatore A, Montis C, Berti D. Nanoparticles and organized lipid assemblies: from interaction to design of hybrid soft devices. SOFT MATTER 2019; 15:8951-8970. [PMID: 31680131 DOI: 10.1039/c9sm01601e] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
This contribution reviews the state of art on hybrid soft matter assemblies composed of inorganic nanoparticles (NP) and lamellar or non-lamellar lipid bilayers. After a short outline of the relevant energetic contributions, we address the interaction of NPs with synthetic lamellar bilayers, meant as cell membrane mimics. We then review the design of hybrid nanostructured materials composed of lipid bilayers and some classes of inorganic NPs, with particular emphasis on the effects on the amphiphilic phase diagram and on the additional properties contributed by the NPs. Then, we present the latest developments on the use of lipid bilayers as coating agents for inorganic NPs. Finally, we remark on the main achievements of the last years and our vision for the development of the field.
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Affiliation(s)
- Marco Mendozza
- Department of Chemistry "Ugo Schiff", University of Florence, and CSGI (Italian Center for Colloid and Surface Science, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy.
| | - Lucrezia Caselli
- Department of Chemistry "Ugo Schiff", University of Florence, and CSGI (Italian Center for Colloid and Surface Science, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy.
| | - Annalisa Salvatore
- Department of Chemistry "Ugo Schiff", University of Florence, and CSGI (Italian Center for Colloid and Surface Science, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy.
| | - Costanza Montis
- Department of Chemistry "Ugo Schiff", University of Florence, and CSGI (Italian Center for Colloid and Surface Science, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy.
| | - Debora Berti
- Department of Chemistry "Ugo Schiff", University of Florence, and CSGI (Italian Center for Colloid and Surface Science, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy.
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Leite PEC, Pereira MR, Harris G, Pamies D, Dos Santos LMG, Granjeiro JM, Hogberg HT, Hartung T, Smirnova L. Suitability of 3D human brain spheroid models to distinguish toxic effects of gold and poly-lactic acid nanoparticles to assess biocompatibility for brain drug delivery. Part Fibre Toxicol 2019; 16:22. [PMID: 31159811 PMCID: PMC6545685 DOI: 10.1186/s12989-019-0307-3] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 05/21/2019] [Indexed: 12/14/2022] Open
Abstract
Background The blood brain barrier (BBB) is the bottleneck of brain-targeted drug development. Due to their physico-chemical properties, nanoparticles (NP) can cross the BBB and accumulate in different areas of the central nervous system (CNS), thus are potential tools to carry drugs and treat brain disorders. In vitro systems and animal models have demonstrated that some NP types promote neurotoxic effects such as neuroinflammation and neurodegeneration in the CNS. Thus, risk assessment of the NP is required, but current 2D cell cultures fail to mimic complex in vivo cellular interactions, while animal models do not necessarily reflect human effects due to physiological and species differences. Results We evaluated the suitability of in vitro models that mimic the human CNS physiology, studying the effects of metallic gold NP (AuNP) functionalized with sodium citrate (Au-SC), or polyethylene glycol (Au-PEG), and polymeric polylactic acid NP (PLA-NP). Two different 3D neural models were used (i) human dopaminergic neurons differentiated from the LUHMES cell line (3D LUHMES) and (ii) human iPSC-derived brain spheroids (BrainSpheres). We evaluated NP uptake, mitochondrial membrane potential, viability, morphology, secretion of cytokines, chemokines and growth factors, and expression of genes related to ROS regulation after 24 and 72 h exposures. NP were efficiently taken up by spheroids, especially when PEGylated and in presence of glia. AuNP, especially PEGylated AuNP, effected mitochondria and anti-oxidative defense. PLA-NP were slightly cytotoxic to 3D LUHMES with no effects to BrainSpheres. Conclusions 3D brain models, both monocellular and multicellular are useful in studying NP neurotoxicity and can help identify how specific cell types of CNS are affected by NP. Electronic supplementary material The online version of this article (10.1186/s12989-019-0307-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Paulo Emílio Corrêa Leite
- Directory of Metrology Applied to Life Sciences - Dimav, National Institute of Metrology Quality and Technology - INMETRO, Av. Nossa Senhora das Graças 50, LABET - Dimav, Predio 27, Duque de Caxias, Xerem, Rio de Janeiro, 25250-020, Brazil.
| | | | - Georgina Harris
- Center for Alternatives to Animal Testing (CAAT), Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA
| | - David Pamies
- Center for Alternatives to Animal Testing (CAAT), Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.,Department of Physiology, University of Lausanne, Lausanne, CH-1015, USA
| | - Lisia Maria Gobbo Dos Santos
- Department of Chemistry, National Institute of Quality Control in Health - INCQS/Fiocruz, Manguinhos, Rio de Janeiro, 21040-900, Brazil
| | - José Mauro Granjeiro
- Directory of Metrology Applied to Life Sciences - Dimav, National Institute of Metrology Quality and Technology - INMETRO, Av. Nossa Senhora das Graças 50, LABET - Dimav, Predio 27, Duque de Caxias, Xerem, Rio de Janeiro, 25250-020, Brazil.,Dental School, Fluminense Federal University, Niteroi, Rio de Janeiro, USA
| | - Helena T Hogberg
- Center for Alternatives to Animal Testing (CAAT), Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA
| | - Thomas Hartung
- Center for Alternatives to Animal Testing (CAAT), Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.,University of Konstanz, Biology, Konstanz, Germany
| | - Lena Smirnova
- Center for Alternatives to Animal Testing (CAAT), Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.
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