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Carneiro KDS, Franchi LP, Rocha TL. Carbon nanotubes and nanofibers seen as emerging threat to fish: Historical review and trends. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169483. [PMID: 38151128 DOI: 10.1016/j.scitotenv.2023.169483] [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: 06/03/2023] [Revised: 11/25/2023] [Accepted: 12/16/2023] [Indexed: 12/29/2023]
Abstract
Since the discovery of the third allotropic carbon form, carbon-based one-dimensional nanomaterials (1D-CNMs) became an attractive and new technology with different applications that range from electronics to biomedical and environmental technologies. Despite their broad application, data on environmental risks remain limited. Fish are widely used in ecotoxicological studies and biomonitoring programs. Thus, the aim of the current study was to summarize and critically analyze the literature focused on investigating the bioaccumulation and ecotoxicological impacts of 1D-CNMs (carbon nanotubes and nanofibers) on different fish species. In total, 93 articles were summarized and analyzed by taking into consideration the following aspects: bioaccumulation, trophic transfer, genotoxicity, mutagenicity, organ-specific toxicity, oxidative stress, neurotoxicity and behavioral changes. Results have evidenced that the analyzed studies were mainly carried out with multi-walled carbon nanotubes, which were followed by single-walled nanotubes and nanofibers. Zebrafish (Danio rerio) was the main fish species used as model system. CNMs' ecotoxicity in fish depends on their physicochemical features, functionalization, experimental design (e.g. exposure time, concentration, exposure type), as well as on fish species and developmental stage. CNMs' action mechanism and toxicity in fish are associated with oxidative stress, genotoxicity, hepatotoxicity and cardiotoxicity. Overall, fish are a suitable model system to assess the ecotoxicity of, and the environmental risk posed by, CNMs.
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Affiliation(s)
- Karla da Silva Carneiro
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Health, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Leonardo Pereira Franchi
- Department of Biochemistry and Molecular Biology, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
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2
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Tang B, Ma W, Lin Y. Emerging applications of anti-angiogenic nanomaterials in oncotherapy. J Control Release 2023; 364:61-78. [PMID: 37871753 DOI: 10.1016/j.jconrel.2023.10.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/08/2023] [Accepted: 10/16/2023] [Indexed: 10/25/2023]
Abstract
Angiogenesis is the process of generating new blood vessels from pre-existing vasculature. Under normal conditions, this process is delicately controlled by pro-angiogenic and anti-angiogenic factors. Tumor cells can produce plentiful pro-angiogenic molecules promoting pathological angiogenesis for uncontrollable growth. Therefore, anti-angiogenic therapy, which aims to inhibit tumor angiogenesis, has become an attractive approach for oncotherapy. However, classic anti-angiogenic agents have several limitations in clinical use, such as lack of specific targeting, low bioavailability, and poor therapeutic outcomes. Hence, alternative angiogenic inhibitors are highly desired. With the emergence of nanotechnology, various nanomaterials have been designed for anti-angiogenesis purposes, offering promising features like excellent targeting capabilities, reduced side effects, and enhanced therapeutic efficacy. In this review, we describe tumor vascular features, discuss current dilemma of traditional anti-angiogenic medicines in oncotherapy, and underline the potential of nanomaterials in tumor anti-angiogenic therapy. Moreover, we discuss the current challenges of anti-angiogenic cancer treatment. We expect that this summary of anti-angiogenic nanomaterials in oncotherapy will offer valuable insights, facilitating their extensive applications in the future.
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Affiliation(s)
- Bicai Tang
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China; Sichuan Provincial Engineering Research Center of Oral Biomaterials, Chengdu, Sichuan 610041, China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Wenjuan Ma
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China; Sichuan Provincial Engineering Research Center of Oral Biomaterials, Chengdu, Sichuan 610041, China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China.
| | - Yunfeng Lin
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China; Sichuan Provincial Engineering Research Center of Oral Biomaterials, Chengdu, Sichuan 610041, China; Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, PR China.
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3
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Rafiyan M, Sadeghmousavi S, Akbarzadeh M, Rezaei N. Experimental animal models of chronic inflammation. CURRENT RESEARCH IN IMMUNOLOGY 2023; 4:100063. [PMID: 37334102 PMCID: PMC10276141 DOI: 10.1016/j.crimmu.2023.100063] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 05/24/2023] [Accepted: 05/31/2023] [Indexed: 06/20/2023] Open
Abstract
Inflammation is a general term for a wide variety of both physiological and pathophysiological processes in the body which primarily prevents the body from diseases and helps to remove dead tissues. It has a crucial part in the body immune system. Tissue damage can recruit inflammatory cells and cytokines and induce inflammation. Inflammation can be classified as acute, sub-acute, and chronic. If it remained unresolved and lasted for prolonged periods, it would be considered as chronic inflammation (CI), which consequently exacerbates tissue damage in different organs. CI is the main pathophysiological cause of many disorders such as obesity, diabetes, arthritis, myocardial infarction, and cancer. Thus, it is critical to investigate different mechanisms involved in CI to understand its processes and to find proper anti-inflammatory therapeutic approaches for it. Animal models are one of the most useful tools for study about different diseases and mechanisms in the body, and are important in pharmacological studies to find proper treatments. In this study, we discussed the various experimental animal models that have been used to recreate CI which can help us to enhance the understanding of CI mechanisms in human and contribute to the development of potent new therapies.
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Affiliation(s)
- Mahdi Rafiyan
- Animal Model Integrated Network (AMIN), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Shaghayegh Sadeghmousavi
- Animal Model Integrated Network (AMIN), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Milad Akbarzadeh
- Animal Model Integrated Network (AMIN), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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4
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A weight of evidence review of the genotoxicity of titanium dioxide (TiO2). Regul Toxicol Pharmacol 2022; 136:105263. [DOI: 10.1016/j.yrtph.2022.105263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 09/10/2022] [Indexed: 11/06/2022]
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Park SH, Lim JO, Kim WI, Park SW, Lee SJ, Shin IS, Moon C, Kim JH, Heo JD, Kim JC. Subchronic Toxicity Evaluation of Aluminum Oxide Nanoparticles in Rats Following 28-Day Repeated Oral Administration. Biol Trace Elem Res 2022; 200:3215-3226. [PMID: 34535882 DOI: 10.1007/s12011-021-02926-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/09/2021] [Indexed: 10/20/2022]
Abstract
Several studies on the potential adverse effects of aluminum oxide nanoparticles (Al2O3NPs) have reported conflicting results. The present study investigated the potential adverse effects of Al2O3NPs in Sprague-Dawley rats following 28-day repeated oral administration. In addition, we aimed to determine the target organ and no-observed-adverse-effect level (NOAEL) of Al2O3NPs. Al2O3NPs was administered once daily by gavage to male and female rats at dose levels of 0, 500, and 1000 mg/kg/day for 28 days. There were no treatment-related adverse effects as indicated by the clinical signs, body weight, food consumption, urinalysis, ophthalmology, hematology, serum biochemistry, gross pathology, organ weight, and histopathology at all the tested doses. Under the experimental conditions of the present study, 28-day repeated oral administration of Al2O3NPs at doses of up to 1000 mg/kg/day did not induce any treatment-related systemic toxicity in male and female rats. The NOAEL of Al2O3NPs was set at 1000 mg/kg/day in both male and female rats and no target organs were identified.
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Affiliation(s)
- Sung-Hyeuk Park
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Je-Oh Lim
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Woong-Il Kim
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - So-Won Park
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Se-Jin Lee
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - In-Sik Shin
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Changjong Moon
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Je-Hein Kim
- Bioenvironmental Science & Technology Division, Korea Institute of Toxicology, Gyeongnam, 52834, Republic of Korea
| | - Jeong-Doo Heo
- Bioenvironmental Science & Technology Division, Korea Institute of Toxicology, Gyeongnam, 52834, Republic of Korea
| | - Jong-Choon Kim
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea.
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Ji G, Gu J, Guo M, Zhou L, Wang Z, Shi L, Gu A. A systematic comparison of the developmental vascular toxicity of bisphenol A and its alternatives in vivo and in vitro. CHEMOSPHERE 2022; 291:132936. [PMID: 34798105 DOI: 10.1016/j.chemosphere.2021.132936] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/11/2021] [Accepted: 11/14/2021] [Indexed: 06/13/2023]
Abstract
Due to the potential toxicity of bisphenol A (BPA), several bisphenols (BPs), including bisphenol F (BPF), bisphenol S (BPS) and bisphenol AF (BPAF), have been gradually used as its main substitutes, and the levels of these alternatives in different environmental media have been constantly increasing. Although some previous studies have shown that bisphenol substitutes have similar or greater acute toxicity and estrogenic effects than BPA, comparative studies on the cardiovascular toxicity of BPs have not been evaluated. In this study, the developmental vascular toxicity of BPA and three predominant substitutes (BPF, BPS and BPAF) were evaluated using zebrafish embryos and human vascular endothelial cells (HUVECs). BP exposure at a sublethal concentration of 1/10 96 h median lethal concentration (96 h-LC50) significantly hindered intersegmental vessel (ISV) growth, delayed common cardinal vein (CCV) remodeling and decreased subintestinal vessels (SIVs) in Tg (fli1:EGFP) zebrafish embryos. Meanwhile, the results of the endothelial tube formation assay showed that in vitro angiogenesis was inhibited by BP exposure. Mechanistically, BP exposure increased oxidative stress characterized by a significant decrease in superoxide dismutase (SOD) and catalase (CAT) activity, accompanied by increased levels of malondialdehyde (MDA) and reactive oxygen species (ROS) in both zebrafish and HUVECs. Therefore, the vascular toxicity and oxidative stress potency of the BPs were compared and evaluated, ranking as follows: BPAF > BPF > BPA > BPS. To the best of our knowledge, the present work, for the first time, systematically provides direct evidence for BPA and its alternatives on developmental vascular toxicity in vitro and in vivo. Therefore, these findings will provide insight into the rational and safe application of BPA substitutes.
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Affiliation(s)
- Guixiang Ji
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Jie Gu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Min Guo
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Linjun Zhou
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Zhen Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Lili Shi
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing, 210042, China
| | - Aihua Gu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China, 211166, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China, 211166, China.
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7
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d'Amora M, Schmidt TJN, Konstantinidou S, Raffa V, De Angelis F, Tantussi F. Effects of Metal Oxide Nanoparticles in Zebrafish. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3313016. [PMID: 35154565 PMCID: PMC8837465 DOI: 10.1155/2022/3313016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/18/2022] [Indexed: 02/06/2023]
Abstract
Metal oxide nanoparticles (MO NPs) are increasingly employed in many fields with a wide range of applications from industries to drug delivery. Due to their semiconducting properties, metal oxide nanoparticles are commonly used in the manufacturing of several commercial products available in the market, including cosmetics, food additives, textile, paint, and antibacterial ointments. The use of metallic oxide nanoparticles for medical and cosmetic purposes leads to unavoidable human exposure, requiring a proper knowledge of their potentially harmful effects. This review offers a comprehensive overview of the possible toxicity of metallic oxide nanoparticles in zebrafish during both adulthood and growth stages, with an emphasis on the role of oxidative stress.
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Affiliation(s)
- Marta d'Amora
- Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
- Department of Biology, University of Pisa, S.S. 12 Abetone e Brennero 4, 56127 Pisa, Italy
| | | | | | - Vittoria Raffa
- Department of Biology, University of Pisa, S.S. 12 Abetone e Brennero 4, 56127 Pisa, Italy
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Shi J, Han S, Zhang J, Liu Y, Chen Z, Jia G. Advances in genotoxicity of titanium dioxide nanoparticles in vivo and in vitro. NANOIMPACT 2022; 25:100377. [PMID: 35559883 DOI: 10.1016/j.impact.2021.100377] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/24/2021] [Accepted: 12/10/2021] [Indexed: 06/15/2023]
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) are currently one of the most widely used nanomaterials. Due to an increasing scope of applications, the exposure of humans to TiO2 NP is inevitable, such as entering the body through the mouth with food additives or drugs, invading the damaged skin with cosmetics, and entering the body through the respiratory tract during the process of production and handling. Compared with TiO2 coarse particles, TiO2 NPs have stronger conductivity, reaction activity, photocatalysis, and permeability, which may lead to greater toxicity to organisms. Given that TiO2 was classified as a category 2B carcinogen (possibly carcinogenic to humans), the genotoxicity of TiO2 NPs has become the focus of attention. There have been a series of previous studies investigating the potential genotoxicity of TiO2 NPs, but the existing research results are still controversial and difficult to conclude. More than half of studies have shown that TiO2 NPs can cause genotoxicity, suggesting that TiO2 NPs are likely to be genotoxic to humans. And the genotoxicity of TiO2 NPs is closely related to the exposure concentration, mode and time, and experimental cells/animals as well as its physicochemical properties (crystal type, size, and shape). This review summarized the latest research progress of related genotoxic effects through in vivo studies and in vitro cell tests, hoping to provide ideas for the evaluation of TiO2 NPs genotoxicity.
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Affiliation(s)
- Jiaqi Shi
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Shuo Han
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Jiahe Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Ying Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, PR China
| | - Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China.
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
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9
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Al Kury LT, Papandreou D, Hurmach VV, Dryn DO, Melnyk MI, Platonov MO, Prylutskyy YI, Ritter U, Scharff P, Zholos AV. Single-Walled Carbon Nanotubes Inhibit TRPC4-Mediated Muscarinic Cation Current in Mouse Ileal Myocytes. NANOMATERIALS 2021; 11:nano11123410. [PMID: 34947764 PMCID: PMC8703819 DOI: 10.3390/nano11123410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/02/2022]
Abstract
Single-walled carbon nanotubes (SWCNTs) are characterized by a combination of rather unique physical and chemical properties, which makes them interesting biocompatible nanostructured materials for various applications, including in the biomedical field. SWCNTs are not inert carriers of drug molecules, as they may interact with various biological macromolecules, including ion channels. To investigate the mechanisms of the inhibitory effects of SWCNTs on the muscarinic receptor cation current (mICAT), induced by intracellular GTPγs (200 μM), in isolated mouse ileal myocytes, we have used the patch-clamp method in the whole-cell configuration. Here, we use molecular docking/molecular dynamics simulations and direct patch-clamp recordings of whole-cell currents to show that SWCNTs, purified and functionalized by carboxylation in water suspension containing single SWCNTs with a diameter of 0.5–1.5 nm, can inhibit mICAT, which is mainly carried by TRPC4 cation channels in ileal smooth muscle cells, and is the main regulator of cholinergic excitation–contraction coupling in the small intestinal tract. This inhibition was voltage-independent and associated with a shortening of the mean open time of the channel. These results suggest that SWCNTs cause a direct blockage of the TRPC4 channel and may represent a novel class of TRPC4 modulators.
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Affiliation(s)
- Lina T. Al Kury
- College of Natural and Health Sciences, Zayed University, Abu Dhabi 144534, United Arab Emirates; (L.T.A.K.); (D.P.)
| | - Dimitrios Papandreou
- College of Natural and Health Sciences, Zayed University, Abu Dhabi 144534, United Arab Emirates; (L.T.A.K.); (D.P.)
| | - Vasyl V. Hurmach
- ESC “Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv, 64 Volodymyrska Str., 01601 Kyiv, Ukraine; (V.V.H.); (D.O.D.); (M.I.M.); (Y.I.P.)
| | - Dariia O. Dryn
- ESC “Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv, 64 Volodymyrska Str., 01601 Kyiv, Ukraine; (V.V.H.); (D.O.D.); (M.I.M.); (Y.I.P.)
- O.O. Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, 4 Bogomoletz Str., 01024 Kyiv, Ukraine
- Institute of Pharmacology and Toxicology, National Academy of Medical Sciences of Ukraine, 14 Anton Tsedik Str., 03057 Kyiv, Ukraine
| | - Mariia I. Melnyk
- ESC “Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv, 64 Volodymyrska Str., 01601 Kyiv, Ukraine; (V.V.H.); (D.O.D.); (M.I.M.); (Y.I.P.)
- O.O. Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, 4 Bogomoletz Str., 01024 Kyiv, Ukraine
- Institute of Pharmacology and Toxicology, National Academy of Medical Sciences of Ukraine, 14 Anton Tsedik Str., 03057 Kyiv, Ukraine
| | - Maxim O. Platonov
- Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, 150 Zabolotnogo Str., 03143 Kyiv, Ukraine;
| | - Yuriy I. Prylutskyy
- ESC “Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv, 64 Volodymyrska Str., 01601 Kyiv, Ukraine; (V.V.H.); (D.O.D.); (M.I.M.); (Y.I.P.)
| | - Uwe Ritter
- Institute of Chemistry and Biotechnology, Technical University of Ilmenau, 25 Weimarer Str., 98693 Ilmenau, Germany; (U.R.); (P.S.)
| | - Peter Scharff
- Institute of Chemistry and Biotechnology, Technical University of Ilmenau, 25 Weimarer Str., 98693 Ilmenau, Germany; (U.R.); (P.S.)
| | - Alexander V. Zholos
- ESC “Institute of Biology and Medicine”, Taras Shevchenko National University of Kyiv, 64 Volodymyrska Str., 01601 Kyiv, Ukraine; (V.V.H.); (D.O.D.); (M.I.M.); (Y.I.P.)
- Correspondence: ; Tel.: +380-44-4312-0403
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Yuan X, Jia Z, Li J, Liu Y, Huang Y, Gong Y, Guo X, Chen X, Cen J, Liu J. A diselenide bond-containing ROS-responsive ruthenium nanoplatform delivers nerve growth factor for Alzheimer's disease management by repairing and promoting neuron regeneration. J Mater Chem B 2021; 9:7835-7847. [PMID: 34586144 DOI: 10.1039/d1tb01290h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Alzheimer's disease (AD) is an incurable neurodegenerative disease. Repairing damaged nerves and promoting nerve regeneration are key ways to relieve AD symptoms. However, due to the lack of effective strategies to deliver nerve growth factor (NGF) to the brain, achieving neuron regeneration is a major challenge for curing AD. Herein, a ROS-responsive ruthenium nanoplatform (R@NGF-Se-Se-Ru) drug delivery system for AD management by promoting neuron regeneration and Aβ clearance was investigated. Under near-infrared (NIR) irradiation, nanoclusters have good photothermal properties, which can effectively inhibit the aggregation of Aβ and disaggregate Aβ fibrils. Interestingly, the diselenide bond in the nanoclusters is broken, and the nanoclusters are degraded into small ruthenium nanoparticles in the high reactive oxygen species (ROS) environment of the diseased area. Besides, NGF can promote neuronal regeneration and repair damaged nerves. Furthermore, R@NGF-Se-Se-Ru efficiently crosses the blood-brain barrier (BBB) owing to the covalently grafted target peptides of RVG (R). In vivo studies demonstrate that R@NGF-Se-Se-Ru nanoclusters decrease Aβ deposits, inhibit Aβ-induced cytotoxicity, and promote neurite outgrowth. The study confirms that promoting both Aβ clearance and neuron regeneration is an important therapeutic target for anti-AD drugs and provides a novel insight for AD therapy.
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Affiliation(s)
- Xiaoyu Yuan
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Zhi Jia
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Jin Li
- Department of Pain Management, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China.
| | - Yanan Liu
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Yuqin Huang
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Youcong Gong
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Xian Guo
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Xu Chen
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Jieqiong Cen
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
| | - Jie Liu
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou 511436, China.
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11
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Mahaye N, Leareng SK, Musee N. Cytotoxicity and genotoxicity of coated-gold nanoparticles on freshwater algae Pseudokirchneriella subcapitata. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 236:105865. [PMID: 34034204 DOI: 10.1016/j.aquatox.2021.105865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 04/30/2021] [Accepted: 05/06/2021] [Indexed: 06/12/2023]
Abstract
Gold engineered nanoparticles (nAu) are increasingly detected in ecosystems, and this raises the need to establish their potential effects on aquatic organisms. Herein, cytotoxic and genotoxic effects of branched polyethylenimine (BPEI)- and citrate (cit)-coated nAu (5, 20, and 40 nm) on algae Pseudokirchneriella subcapitata were evaluated. The apical biological endpoints: growth inhibition and chlorophyll a (Chl a) content were investigated at 62.5-1000 µg/L over 168 h. In addition, the apurinic/apyrimidinic (AP) sites, randomly amplified polymorphic deoxyribonucleic acid (RAPD) profiles, and genomic template stability (GTS) were assessed to determine the genotoxic effects of nAu. The results show algal growth inhibition at 5 nm BPEI-nAu up to 96 h, and thereafter cell recovery except at the highest concentration of 1000 µg/L. Insignificant growth reduction for cit-nAu (all sizes), as well as 20 and 40 nm BPEI-nAu, was observed over 96 h, but growth promotion was apparent at all exposures thereafter except for 40 nm BPEI-nAu at 250 µg/L. A decrease in Chl a content following exposure to 5 nm BPEI-nAu at 1000 µg/L corresponded to significant algal growth reduction. In genotoxicity studies, a significant increase in AP sites content was observed relative to the control - an indication of nAu ability to induce genotoxic effects irrespective of their size and coating type. For 5 nm- and 20 nm-sized nAu for both coating types and exposure concentrations no differences in AP sites content were observed after 72 and 168 h. However, a significant reduction in AP sites was observed following algae exposure to 40 nm-sized nAu (irrespective of coating type and exposure concentration) at 168 h compared to 72 h. Thus, AP sites results at 40 nm-size suggest likely DNA damage recovery over a longer exposure period. The findings on AP sites content showed a good correlation with an increase in genome template stability and growth promotion observed after 168 h. In addition, RAPD profiles demonstrated that nAu can induce DNA damage and/or DNA mutation to P. subcapitata as evidenced by the appearance and/or disappearance of normal bands compared to the controls. Therefore, genotoxicity results revealed significant toxicity of nAu to algae at the molecular level although no apparent effects were detectable at the morphological level. Overall, findings herein indicate that long-term exposure of P. subcapitata to low concentrations of nAu may cause undesirable sub-lethal ecological effects.
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Affiliation(s)
- Ntombikayise Mahaye
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa
| | - Samuel K Leareng
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa
| | - Ndeke Musee
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa.
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12
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Younes M, Aquilina G, Castle L, Engel K, Fowler P, Frutos Fernandez MJ, Fürst P, Gundert‐Remy U, Gürtler R, Husøy T, Manco M, Mennes W, Moldeus P, Passamonti S, Shah R, Waalkens‐Berendsen I, Wölfle D, Corsini E, Cubadda F, De Groot D, FitzGerald R, Gunnare S, Gutleb AC, Mast J, Mortensen A, Oomen A, Piersma A, Plichta V, Ulbrich B, Van Loveren H, Benford D, Bignami M, Bolognesi C, Crebelli R, Dusinska M, Marcon F, Nielsen E, Schlatter J, Vleminckx C, Barmaz S, Carfí M, Civitella C, Giarola A, Rincon AM, Serafimova R, Smeraldi C, Tarazona J, Tard A, Wright M. Safety assessment of titanium dioxide (E171) as a food additive. EFSA J 2021; 19:e06585. [PMID: 33976718 PMCID: PMC8101360 DOI: 10.2903/j.efsa.2021.6585] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The present opinion deals with an updated safety assessment of the food additive titanium dioxide (E 171) based on new relevant scientific evidence considered by the Panel to be reliable, including data obtained with TiO2 nanoparticles (NPs) and data from an extended one-generation reproductive toxicity (EOGRT) study. Less than 50% of constituent particles by number in E 171 have a minimum external dimension < 100 nm. In addition, the Panel noted that constituent particles < 30 nm amounted to less than 1% of particles by number. The Panel therefore considered that studies with TiO2 NPs < 30 nm were of limited relevance to the safety assessment of E 171. The Panel concluded that although gastrointestinal absorption of TiO2 particles is low, they may accumulate in the body. Studies on general and organ toxicity did not indicate adverse effects with either E 171 up to a dose of 1,000 mg/kg body weight (bw) per day or with TiO2 NPs (> 30 nm) up to the highest dose tested of 100 mg/kg bw per day. No effects on reproductive and developmental toxicity were observed up to a dose of 1,000 mg E 171/kg bw per day, the highest dose tested in the EOGRT study. However, observations of potential immunotoxicity and inflammation with E 171 and potential neurotoxicity with TiO2 NPs, together with the potential induction of aberrant crypt foci with E 171, may indicate adverse effects. With respect to genotoxicity, the Panel concluded that TiO2 particles have the potential to induce DNA strand breaks and chromosomal damage, but not gene mutations. No clear correlation was observed between the physico-chemical properties of TiO2 particles and the outcome of either in vitro or in vivo genotoxicity assays. A concern for genotoxicity of TiO2 particles that may be present in E 171 could therefore not be ruled out. Several modes of action for the genotoxicity may operate in parallel and the relative contributions of different molecular mechanisms elicited by TiO2 particles are not known. There was uncertainty as to whether a threshold mode of action could be assumed. In addition, a cut-off value for TiO2 particle size with respect to genotoxicity could not be identified. No appropriately designed study was available to investigate the potential carcinogenic effects of TiO2 NPs. Based on all the evidence available, a concern for genotoxicity could not be ruled out, and given the many uncertainties, the Panel concluded that E 171 can no longer be considered as safe when used as a food additive.
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13
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Li S, Zheng X, Huang C, Cao Y. Titanate nanofibers reduce Kruppel-like factor 2 (KLF2)-eNOS pathway in endothelial monolayer: A transcriptomic study. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.10.044] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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14
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Estronca L, Francisco V, Pitrez P, Honório I, Carvalho L, Vazão H, Blersch J, Rai A, Nissan X, Simon U, Grãos M, Saúde L, Ferreira L. Induced pluripotent stem cell-derived vascular networks to screen nano-bio interactions. NANOSCALE HORIZONS 2021; 6:245-259. [PMID: 33576750 DOI: 10.1039/d0nh00550a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The vascular bioactivity/safety of nanomaterials is typically evaluated by animal testing, which is of low throughput and does not account for biological differences between animals and humans such as ageing, metabolism and disease profiles. The development of personalized human in vitro platforms to evaluate the interaction of nanomaterials with the vascular system would be important for both therapeutic and regenerative medicine. A library of 30 nanoparticle (NP) formulations, in use in imaging, antimicrobial and pharmaceutical applications, was evaluated in a reporter zebrafish model of vasculogenesis and then tested in personalized humanized models composed of human-induced pluripotent stem cell (hiPSC)-derived endothelial cells (ECs) with "young" and "aged" phenotypes in 3 vascular network formats: 2D (in polystyrene dish), 3D (in Matrigel) and in a blood vessel on a chip. As a proof of concept, vascular toxicity was used as the main readout. The results show that the toxicity profile of NPs to hiPSC-ECs was dependent on the "age" of the endothelial cells and vascular network format. hiPSC-ECs were less susceptible to the cytotoxicity effect of NPs when cultured in flow than in static conditions, the protective effect being mediated, at least in part, by glycocalyx. Overall, the results presented here highlight the relevance of in vitro hiPSC-derived vascular systems to screen vascular nanomaterial interactions.
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Affiliation(s)
- Luís Estronca
- Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal.
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15
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Baker EA, Fleischer MM, Vara AD, Salisbury MR, Baker KC, Fortin PT, Friedrich CR. Local and Systemic In Vivo Responses to Osseointegrative Titanium Nanotube Surfaces. NANOMATERIALS 2021; 11:nano11030583. [PMID: 33652733 PMCID: PMC7996927 DOI: 10.3390/nano11030583] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/11/2021] [Accepted: 02/15/2021] [Indexed: 01/25/2023]
Abstract
Orthopedic implants requiring osseointegration are often surface modified; however, implants may shed these coatings and generate wear debris leading to complications. Titanium nanotubes (TiNT), a new surface treatment, may promote osseointegration. In this study, in vitro (rat marrow-derived bone marrow cell attachment and morphology) and in vivo (rat model of intramedullary fixation) experiments characterized local and systemic responses of two TiNT surface morphologies, aligned and trabecular, via animal and remote organ weight, metal ion, hematologic, and nondecalcified histologic analyses. In vitro experiments showed total adherent cells on trabecular and aligned TiNT surfaces were greater than control at 30 min and 4 h, and cells were smaller in diameter and more eccentric. Control animals gained more weight, on average; however, no animals met the institutional trigger for weight loss. No hematologic parameters (complete blood count with differential) were significantly different for TiNT groups vs. control. Inductively coupled plasma mass spectrometry (ICP-MS) showed greater aluminum levels in the lungs of the trabecular TiNT group than in those of the controls. Histologic analysis demonstrated no inflammatory infiltrate, cytotoxic, or necrotic conditions in proximity of K-wires. There were significantly fewer eosinophils/basophils and neutrophils in the distal region of trabecular TiNT-implanted femora; and, in the midshaft of aligned TiNT-implanted femora, there were significantly fewer foreign body giant/multinucleated cells and neutrophils, indicating a decreased immune response in aligned TiNT-implanted femora compared to controls.
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Affiliation(s)
- Erin A. Baker
- Departments of Orthopaedic Research and Surgery, Beaumont Health, Royal Oak, MI 48073, USA; (M.M.F.); (A.D.V.); (M.R.S.); (K.C.B.); (P.T.F.)
- Department of Mechanical Engineering-Engineering Mechanics, Michigan Technological University, Houghton, MI 49931, USA;
- Department of Orthopaedic Surgery, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
- Correspondence:
| | - Mackenzie M. Fleischer
- Departments of Orthopaedic Research and Surgery, Beaumont Health, Royal Oak, MI 48073, USA; (M.M.F.); (A.D.V.); (M.R.S.); (K.C.B.); (P.T.F.)
| | - Alexander D. Vara
- Departments of Orthopaedic Research and Surgery, Beaumont Health, Royal Oak, MI 48073, USA; (M.M.F.); (A.D.V.); (M.R.S.); (K.C.B.); (P.T.F.)
| | - Meagan R. Salisbury
- Departments of Orthopaedic Research and Surgery, Beaumont Health, Royal Oak, MI 48073, USA; (M.M.F.); (A.D.V.); (M.R.S.); (K.C.B.); (P.T.F.)
| | - Kevin C. Baker
- Departments of Orthopaedic Research and Surgery, Beaumont Health, Royal Oak, MI 48073, USA; (M.M.F.); (A.D.V.); (M.R.S.); (K.C.B.); (P.T.F.)
- Department of Orthopaedic Surgery, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
| | - Paul T. Fortin
- Departments of Orthopaedic Research and Surgery, Beaumont Health, Royal Oak, MI 48073, USA; (M.M.F.); (A.D.V.); (M.R.S.); (K.C.B.); (P.T.F.)
- Department of Orthopaedic Surgery, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
| | - Craig R. Friedrich
- Department of Mechanical Engineering-Engineering Mechanics, Michigan Technological University, Houghton, MI 49931, USA;
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Gu J, Guo M, Huang C, Wang X, Zhu Y, Wang L, Wang Z, Zhou L, Fan D, Shi L, Ji G. Titanium dioxide nanoparticle affects motor behavior, neurodevelopment and axonal growth in zebrafish (Danio rerio) larvae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142315. [PMID: 33254858 DOI: 10.1016/j.scitotenv.2020.142315] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/05/2020] [Accepted: 09/07/2020] [Indexed: 06/12/2023]
Abstract
More attention has been recently paid to the ecotoxicity of titanium dioxide nanoparticles (nano-TiO2) owing to its common use in many fields. Although previous studies have shown that nano-TiO2 is neurotoxic, the mechanism is still largely unknown. In the present study, zebrafish embryos were exposed to 0.01, 0.1, and 1.0 mg/L nano-TiO2 and 1.0 mg/L micro-TiO2 for up to 6 days post-fertilization (dpf). Exposure to 1.0 mg/L nano-TiO2 significantly decreased the body length and weight of zebrafish larvae; however, the hatching and mortality rate of zebrafish embryos did not change. Behavioral tests showed that nano-TiO2 exposure significantly reduced the swimming speed and clockwise rotation times of the larvae. The results revealed that nano-TiO2 treatment adversely affected motor neuron axon length in Tg (hb9-GFP) zebrafish and decreased central nervous system (CNS) neurogenesis in Tg (HuC-GFP) zebrafish. Additionally, real-time polymerase chain reaction analysis demonstrated that genes associated with neurogenesis (nrd and elavl3) and axonal growth (α1-tubulin, mbp, and gap43) were significantly affected by nano-TiO2 exposure. In conclusion, our study demonstrated that early-life stage exposure of zebrafish to nano-TiO2 causes adverse neural outcomes through the inhibition of neurodevelopment and motor neuron axonal growth.
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Affiliation(s)
- Jie Gu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Min Guo
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Caoxing Huang
- Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Longpan Road 159, Nanjing 210037, China
| | - Xi Wang
- Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Yuanhui Zhu
- Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Lei Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Zhen Wang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Linjun Zhou
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Deling Fan
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
| | - Lili Shi
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China.
| | - Guixiang Ji
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China.
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17
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Anfray C, Komaty S, Corroyer-Dulmont A, Zaarour M, Helaine C, Ozcelik H, Allioux C, Toutain J, Goldyn K, Petit E, Bordji K, Bernaudin M, Valtchev V, Touzani O, Mintova S, Valable S. Nanosized zeolites as a gas delivery platform in a glioblastoma model. Biomaterials 2020; 257:120249. [PMID: 32739663 DOI: 10.1016/j.biomaterials.2020.120249] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/14/2020] [Accepted: 07/17/2020] [Indexed: 01/04/2023]
Abstract
Approaches able to counteract, at least temporarily, hypoxia, a well-known factor of resistance to treatment in solid tumors are highly desirable. Herein, we report the use of nanosized zeolite crystals as hyperoxic/hypercapnic gas carriers for glioblastoma. First, the non-toxic profile of nanosized zeolite crystals in living animals (mice, rats and non-human primates) and in various cell types is presented. Second, the ability of the nanosized zeolites to act as a vasoactive agent for a targeted re-oxygenation of the tumor after intravenous injection is shown. As attested by an MRI protocol, the zeolites were able to increase oxygenation and blood volume specifically within the brain tumor whilst no changes in the healthy-non tumoral brain-were observed. The first proof of concept for the use of metal-containing nanosized zeolites as a tool for vectorization of hyperoxic/hypercapnic gases in glioblastoma is revealed.
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Affiliation(s)
- Clément Anfray
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Sarah Komaty
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050, Caen, France
| | | | - Moussa Zaarour
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050, Caen, France
| | - Charly Helaine
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Hayriye Ozcelik
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Clélia Allioux
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Jérôme Toutain
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Kamila Goldyn
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050, Caen, France
| | - Edwige Petit
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Karim Bordji
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Myriam Bernaudin
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Valentin Valtchev
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050, Caen, France
| | - Omar Touzani
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France
| | - Svetlana Mintova
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050, Caen, France.
| | - Samuel Valable
- Normandie Université, UNICAEN, CEA, CNRS, ISTCT/CERVOxy group, GIP Cyceron, Caen, France.
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18
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Malaviya P, Shukal D, Vasavada AR. Nanotechnology-based Drug Delivery, Metabolism and Toxicity. Curr Drug Metab 2020; 20:1167-1190. [PMID: 31902350 DOI: 10.2174/1389200221666200103091753] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/02/2019] [Accepted: 11/23/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Nanoparticles (NPs) are being used extensively owing to their increased surface area, targeted delivery and enhanced retention. NPs have the potential to be used in many disease conditions. Despite widespread use, their toxicity and clinical safety still remain a major concern. OBJECTIVE The purpose of this study was to explore the metabolism and toxicological effects of nanotherapeutics. METHODS Comprehensive, time-bound literature search was done covering the period from 2010 till date. The primary focus was on the metabolism of NP including their adsorption, degradation, clearance, and bio-persistence. This review also focuses on updated investigations on NPs with respect to their toxic effects on various in vitro and in vivo experimental models. RESULTS Nanotechnology is a thriving field of biomedical research and an efficient drug delivery system. Further their applications are under investigation for diagnosis of disease and as medical devices. CONCLUSION The toxicity of NPs is a major concern in the application of NPs as therapeutics. Studies addressing metabolism, side-effects and safety of NPs are desirable to gain maximum benefits of nanotherapeutics.
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Affiliation(s)
- Pooja Malaviya
- Department of Cell and Molecular Biology, Iladevi Cataract and IOL Research Centre, Memnagar, Ahmedabad 380052, India.,Ph.D. Scholars, Manipal Academy of Higher Education, Manipal, India
| | - Dhaval Shukal
- Department of Cell and Molecular Biology, Iladevi Cataract and IOL Research Centre, Memnagar, Ahmedabad 380052, India.,Ph.D. Scholars, Manipal Academy of Higher Education, Manipal, India
| | - Abhay R Vasavada
- Department of Cell and Molecular Biology, Iladevi Cataract and IOL Research Centre, Memnagar, Ahmedabad 380052, India
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19
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Michalkova H, Skubalova Z, Sopha H, Strmiska V, Tesarova B, Dostalova S, Svec P, Hromadko L, Motola M, Macak JM, Adam V, Heger Z. Complex cytotoxicity mechanism of bundles formed from self-organised 1-D anodic TiO 2 nanotubes layers. JOURNAL OF HAZARDOUS MATERIALS 2020; 388:122054. [PMID: 31954312 DOI: 10.1016/j.jhazmat.2020.122054] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/23/2019] [Accepted: 01/07/2020] [Indexed: 06/10/2023]
Abstract
The present study reports on a comprehensive investigation of mechanisms of in vitro cytotoxicity of high aspect ratio (HAR) bundles formed from anodic TiO2 nanotube (TNT) layers. Comparative cytotoxicity studies were performed using two types of HAR TNTs (diameter of ∼110 nm), differing in initial thickness of the nanotubular layer (∼35 μm for TNTs-1 vs. ∼10 μm for TNTs-2). Using two types of epithelial cell lines (MDA-MB-231, HEK-293), it was found that nanotoxicity is highly cell-type dependent and plausibly associates with higher membrane fluidity and decreased rigidity of cancer cells enabling penetration of TNTs to the cell membrane towards disruption of membrane integrity and reorganization of cytoskeletal network. Upon penetration, TNTs dysregulated redox homeostasis followed by DNA fragmentation and apoptotic/necrotic cell death. Both TNTs exhibited haemolytic activity and rapidly activated polarization of RAW 264.7 macrophages. Throughout the whole study, TNTs-2 possessing a lower aspect ratio manifested significantly higher cytotoxic effects. Taken together, this is the first report comprehensively investigating the mechanisms underlying the nanotoxicity of bundles formed from self-organised 1-D anodic TNT layers. Except for description of nanotoxicity of industrially-interesting nanomaterials, the delineation of the nanotoxicity paradigm in cancer cells could serve as solid basis for future efforts in rational engineering of TNTs towards selective anticancer nanomedicine.
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Affiliation(s)
- Hana Michalkova
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia
| | - Zuzana Skubalova
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia
| | - Hanna Sopha
- Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia; Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, CZ-530 02 Pardubice, Czechia
| | - Vladislav Strmiska
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia
| | - Barbora Tesarova
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia
| | - Simona Dostalova
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia; Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia
| | - Pavel Svec
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia; Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia
| | - Ludek Hromadko
- Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia; Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, CZ-530 02 Pardubice, Czechia
| | - Martin Motola
- Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, CZ-530 02 Pardubice, Czechia
| | - Jan M Macak
- Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia; Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, CZ-530 02 Pardubice, Czechia
| | - Vojtech Adam
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia; Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia
| | - Zbynek Heger
- Research Group for Molecular Biology and Nanomedicine, Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czechia; Central European Institute of Technology, Brno University of Technology, Purkynova 656/123, CZ-612 00 Brno, Czechia.
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20
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Titanate nanotubes at non-cytotoxic concentrations affect NO signaling pathway in human umbilical vein endothelial cells. Toxicol In Vitro 2020; 62:104689. [DOI: 10.1016/j.tiv.2019.104689] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 09/29/2019] [Accepted: 10/13/2019] [Indexed: 11/21/2022]
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21
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Barbato V, Talevi R, Gualtieri R, Pallotta MM, Di Nardo M, Costanzo V, Catapano G, Capriglione T. Polystyrene nanoparticles may affect cell mitosis and compromise early embryo development in mammals. Theriogenology 2020; 145:18-23. [PMID: 31982690 DOI: 10.1016/j.theriogenology.2020.01.007] [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: 03/27/2019] [Revised: 11/25/2019] [Accepted: 01/05/2020] [Indexed: 01/02/2023]
Abstract
A great interest surrounds the development of nanoparticles (NPs) for biomedical applications such as drug delivery and cancer therapy. However, the interplay between nanoscale materials and biological systems and the associated hazards have not been completely clarified yet. In this study, bovine oviductal epithelial cells (BOECs) and embryos were used as in vitro models to investigate whether cell mitosis and early mammalian embryo development could be affected by the exposure to polystyrene (PS) nanoparticles. Analysis of the karyotype performed on BOECs exposed to PS-NPs did not show chromosomal anomalies compared to the control, although more tetraploid metaphase plates were observed in the former. In vitro fertilization experiments designed to understand whether exposure to PS-NPs could affect pre-implantation development showed that incubation with PS-NPs decreased 8-cell embryo and blastocyst rate in dose-dependent fashion. The quality of the blastocysts in terms of mean cell percent blastomeres with fragmented DNA was the same in exposed blastocysts compared to controls. These results show that the exposure to PS-NPs may impair development. In turn, this may affect the rate of mitosis in embryos and yield a lower developmental competence to reach the blastocyst stage. This suggests that release in the environment and the subsequent accumulation of PS-NPs into living organisms should be carefully monitored to prevent cytotoxic effects that may compromise their reproduction rates.
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Affiliation(s)
- V Barbato
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy
| | - R Talevi
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy
| | - R Gualtieri
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy
| | - M M Pallotta
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy
| | - M Di Nardo
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy
| | - V Costanzo
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy
| | - G Catapano
- Department of Mechanical, Energy and Management Engineering, University of Calabria, Via P. Bucci, 87030, Rende (CS), Italy
| | - T Capriglione
- Department of Biology, University of Naples "Federico II", Complesso Universitario di Monte S. Angelo, Via Cinthia, 80126, Naples, Italy.
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Nanomaterials meet zebrafish: Toxicity evaluation and drug delivery applications. J Control Release 2019; 311-312:301-318. [PMID: 31446084 DOI: 10.1016/j.jconrel.2019.08.022] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/19/2019] [Accepted: 08/21/2019] [Indexed: 12/23/2022]
Abstract
With the rapid development of engineered nanomaterials for various applications, in vivo toxicological studies for evaluating the potential hazardous effects of nanomaterials on environmental and human safety are in urgent need. Zebrafish has long been considered as the "gold standard" for biosafety assessments of chemicals and pollutants due to its high fecundity, cost-effectiveness, well-characterized developmental stages, optical transparency, and so forth. Thus, zebrafish holds great potential for high-throughput nanotoxicity screening. In this review, we summarize the in vivo toxicological profiles of different nanomaterials, including Ag nanoparticles (NPs), CuO NPs, silica NPs, polymeric NPs, quantum dots, nanoscale metal-organic frameworks, etc, in zebrafish and focus on how the physicochemical properties (e.g., size, surface charge, and surface chemistry) of these nanomaterials influence their biosafety. In addition, we also report the recent advances of the in vivo delivery of nanopharmaceuticals using zebrafish as the model organism for therapeutic assessment, biodistribution tracking, and the controlled release of loaded drugs. Limitations and special considerations of zebrafish model are also discussed. Overall, zebrafish is expected to serve as a high-throughput screening platform for nanotoxicity and drug delivery assessment, which may instruct the design of safe nanomaterials and more effective nanomedicines.
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Gholinejad Z, Khadem Ansari MH, Rasmi Y. Titanium dioxide nanoparticles induce endothelial cell apoptosis via cell membrane oxidative damage and p38, PI3K/Akt, NF-κB signaling pathways modulation. J Trace Elem Med Biol 2019; 54:27-35. [PMID: 31109618 DOI: 10.1016/j.jtemb.2019.03.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 02/27/2019] [Accepted: 03/22/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Titanium dioxide nanoparticles (TiO2 NPs) are widely used nanoparticles. Despite, several studies investigated the toxic effects of TiO2 NPs on HUVECs, the results are contradictory and the possible underlying mechanisms remain unclear. METHODS In the present study, we conducted an in vitro study to re-evaluate the possible toxic effects of TiO2 NPs on HUVECs including cell viability, lipids peroxidation, intracellular signaling pathways and nitric oxide syntheses enzymes. RESULTS Our results demonstrated that, TiO2 NPs were internalized to HUVECs and induce intracellular reactive oxygen species production and cell membrane oxidative damage at the higher concentration. TiO2 NPs induce IKKα/β and Akt phosphorylation and p38 dephosphorylation. After 24 h treatment, pro-inflammatory cytokines, adhesion molecules and chemokine upregulated significantly. TiO2 NPs have no significant effects on eNOS enzymatic activation and iNOS gene expression. At cellular level, apoptosis is the main process that occur in response to TiO2 NPs treatment. HUVECs pretreatment with N-acetyl-l-cysteine (NAC) ameliorate the toxic effects of TiO2 NPs that indicate the oxidative stress is essential in TiO2 NPs -induced toxicity. Total antioxidant capacity show a trend to increase in response to TiO2 NPs exposure. CONCLUSIONS Taken together, this study confirmed the effects of TiO2 NPs on endothelial cells and proposed multiple underlying mechanisms including cell membrane oxidative damage and intracellular processes.
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Affiliation(s)
- Zafar Gholinejad
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Scienc, Urmia, Iran
| | | | - Yousef Rasmi
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Scienc, Urmia, Iran; Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran.
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24
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Riediker M, Zink D, Kreyling W, Oberdörster G, Elder A, Graham U, Lynch I, Duschl A, Ichihara G, Ichihara S, Kobayashi T, Hisanaga N, Umezawa M, Cheng TJ, Handy R, Gulumian M, Tinkle S, Cassee F. Particle toxicology and health - where are we? Part Fibre Toxicol 2019; 16:19. [PMID: 31014371 PMCID: PMC6480662 DOI: 10.1186/s12989-019-0302-8] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 04/08/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Particles and fibres affect human health as a function of their properties such as chemical composition, size and shape but also depending on complex interactions in an organism that occur at various levels between particle uptake and target organ responses. While particulate pollution is one of the leading contributors to the global burden of disease, particles are also increasingly used for medical purposes. Over the past decades we have gained considerable experience in how particle properties and particle-bio interactions are linked to human health. This insight is useful for improved risk management in the case of unwanted health effects but also for developing novel medical therapies. The concepts that help us better understand particles' and fibres' risks include the fate of particles in the body; exposure, dosimetry and dose-metrics and the 5 Bs: bioavailability, biopersistence, bioprocessing, biomodification and bioclearance of (nano)particles. This includes the role of the biomolecule corona, immunity and systemic responses, non-specific effects in the lungs and other body parts, particle effects and the developing body, and the link from the natural environment to human health. The importance of these different concepts for the human health risk depends not only on the properties of the particles and fibres, but is also strongly influenced by production, use and disposal scenarios. CONCLUSIONS Lessons learned from the past can prove helpful for the future of the field, notably for understanding novel particles and fibres and for defining appropriate risk management and governance approaches.
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Affiliation(s)
- Michael Riediker
- Swiss Centre for Occupational and Environmental Health (SCOEH), Binzhofstrasse 87, CH-8404 Winterthur, Switzerland
| | - Daniele Zink
- Institute of Bioengineering and Nanotechnology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Wolfgang Kreyling
- Institute of Epidemiology, Helmholtz Center Munich – German Research Center for Environmental Health, Neuherberg, Munich Germany
| | - Günter Oberdörster
- Department of Environmental Medicine, University of Rochester, Rochester, NY USA
| | - Alison Elder
- Department of Environmental Medicine, University of Rochester, Rochester, NY USA
| | | | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Albert Duschl
- Department of Biosciences, Allergy Cancer BioNano Research Centre, University of Salzburg, Salzburg, Austria
| | | | | | | | | | | | | | - Richard Handy
- School of Biological Sciences, Plymouth University, Plymouth, UK
| | - Mary Gulumian
- National Institute for Occupational Health and Haematology and Molecular Medicine, University of the Witwatersrand, Johannesburg, South Africa
| | - Sally Tinkle
- Science and Technology Policy Institute, Washington, DC USA
| | - Flemming Cassee
- National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Institute for Risk Assessment Studies (IRAS), Utrrecht University, Utrecht, The Netherlands
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25
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Kuruvilla J, Bayat N, Cristobal S. Proteomic Analysis of Endothelial Cells Exposed to Ultrasmall Nanoparticles Reveals Disruption in Paracellular and Transcellular Transport. Proteomics 2019; 19:e1800228. [PMID: 30632670 DOI: 10.1002/pmic.201800228] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 11/12/2018] [Indexed: 11/10/2022]
Abstract
The large interactive surfaces of nanoparticles (NPs) increase the opportunities to develop NPs for vascular targeting. Proteomic analysis of endothelial cells exposed to NPs reveals the cellular response and turns the focus into the impairment of the endothelial permeability. Here, quantitative proteomics and transcriptome sequencing are combined to evaluate the effects of exposure to sub-lethal concentrations of TiO2 -USNPs and TiO2 -NPs on human dermal microvascular endothelial cells. Endothelial cells react to preserve the semi-permeable properties that are essential for vascular tissue fluid homeostasis, vascular development, and angiogenesis. The main impact of the exposure was alteration of functional complexes involved in cell adhesion, vesicular transport, and cytoskeletal structure. Those are the core cellular structures that are linked to the permeability and the integrity of the endothelial tissue. Moreover, the extracellular proteins uptake along wih the NPs into the endothelial cells escape the lysosomal degradation pathway. These findings improve the understanding of the interaction of NPs with endothelial cell. The effects of the studied NPs modulating cell-cell adhesion and vesicular transport can help to evaluate the distribution of NPs via intravenous administration.
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Affiliation(s)
- Jacob Kuruvilla
- Department of Clinical and Experimental Medicine, Cell Biology, Faculty of Medicine, Linköping University, Linköping, SE-58185, Sweden
| | - Narges Bayat
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, SE-10691, Sweden
| | - Susana Cristobal
- Department of Clinical and Experimental Medicine, Cell Biology, Faculty of Medicine, Linköping University, Linköping, SE-58185, Sweden.,IKERBASQUE, Basque Foundation for Science, Departments of Physiology, Faculty of Medicine and Dentistry, University of the Basque Country, Leioa, ES-48490, Spain
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26
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Torrealba D, More-Bayona JA, Wakaruk J, Barreda DR. Innate Immunity Provides Biomarkers of Health for Teleosts Exposed to Nanoparticles. Front Immunol 2019; 9:3074. [PMID: 30687312 PMCID: PMC6335578 DOI: 10.3389/fimmu.2018.03074] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 12/12/2018] [Indexed: 12/14/2022] Open
Abstract
In recent years, the unique properties of nanoparticles have fostered novel applications in various fields such as biology, pharmaceuticals, agriculture, and others. Unfortunately, their rapid integration into daily life has also led to environmental concerns due to uncontrolled release of nanoparticles into the aquatic environment. Despite increasing awareness of nanoparticle bioaccumulation in the aquatic environment, much remains to be learned about their impact on aquatic organisms and how to best monitor these effects. Herein, we provide the first review of innate immunity as an emerging tool to assess the health of fish following nanoparticle exposure. Fish are widely used as sentinels for aquatic ecosystem pollution and innate immune parameters offer sensitive and reliable tools that can be harnessed for evaluation of contamination events. The most frequent biomarkers highlighted in literature to date include, but are not limited to, parameters associated with leukocyte dynamics, oxidative stress, and cytokine production. Taken together, innate immunity offers finite and sensitive biomarkers for assessment of the impact of nanoparticles on fish health.
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Affiliation(s)
- Débora Torrealba
- Immunology and Animal Health Laboratory, Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Juan A. More-Bayona
- Immunology and Animal Health Laboratory, Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - Jeremy Wakaruk
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Daniel R. Barreda
- Immunology and Animal Health Laboratory, Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
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27
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Lee IC, Ko JW, Park SH, Shin NR, Shin IS, Moon C, Kim SH, Yun WK, Kim HC, Kim JC. Copper nanoparticles induce early fibrotic changes in the liver via TGF-β/Smad signaling and cause immunosuppressive effects in rats. Nanotoxicology 2018; 12:637-651. [PMID: 29848140 DOI: 10.1080/17435390.2018.1472313] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Copper nanoparticles (Cu NPs) have various uses, including as additives in polymers/plastics, lubricants for metallic coating, and biomedical applications. We investigated the role of transforming growth factor (TGF)-β1 signaling in hepatic damage caused by Cu NPs and explored the effects of a 28-day repeated oral administration to Cu NPs on the immune response. The exposure to Cu NPs caused a dose-dependent increase in Cu levels in the liver and spleen. Cu NPs caused hepatic damage and markedly increased oxidative stress in liver tissues. Cu NPs induced activation of TGF-β1/Smad signaling by induction of vascular endothelial growth factor and matrix metalloproteinase-9. Exposure to Cu NPs also induced activation of Smad-independent pathways, phosphorylation of mitogen-activated protein kinases (MAPKs) and Akt/FoxO3. Consistent with the activation of TGF-β1/Smad-dependent and -independent pathways, Cu NPs markedly increased the deposition and induction of extracellular matrix components, α-smooth muscle actin, and collagens in liver tissues. In addition, repeated exposure to Cu NPs suppressed the proliferation of mitogenically stimulated T- or B-lymphocytes and decreased CD3+ (particularly, CD3+CD4+CD8-) and CD45+ population, followed by decreased levels of immunoglobulins and Th1/Th2 type cytokines. Collectively, Cu NPs caused hepatic damage and induced pro-fibrotic changes, which were closely related to the activation of oxidative stress-mediated TGF-β1/Smad-dependent and -independent pathways (MAPKs and Akt/FoxO3). We confirmed the immunosuppressive effect of Cu NPs via the inhibition of mitogen-stimulated spleen-derived lymphocyte proliferation and suppression of B- or T-lymphocyte-mediated immune responses.
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Affiliation(s)
- In-Chul Lee
- a Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology , Jeongeup , Republic of Korea.,b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - Je-Won Ko
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - Sung-Hyeuk Park
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - Na-Rae Shin
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - In-Sik Shin
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - Changjong Moon
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - Sung-Ho Kim
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
| | - Won-Kee Yun
- c Laboratory Animal Resource Center , Korea Research Institute of Bioscience and Biotechnology , Cheongju , Republic of Korea
| | - Hyoung-Chin Kim
- c Laboratory Animal Resource Center , Korea Research Institute of Bioscience and Biotechnology , Cheongju , Republic of Korea
| | - Jong-Choon Kim
- b College of Veterinary Medicine BK21 Plus Team , Chonnam National University , Gwangju , Republic of Korea
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28
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Cao Y, Gong Y, Liao W, Luo Y, Wu C, Wang M, Yang Q. A review of cardiovascular toxicity of TiO2, ZnO and Ag nanoparticles (NPs). Biometals 2018; 31:457-476. [DOI: 10.1007/s10534-018-0113-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 05/04/2018] [Indexed: 12/22/2022]
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29
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Ghosh M, Öner D, Duca RC, Bekaert B, Vanoirbeek JAJ, Godderis L, Hoet PHM. Single-walled and multi-walled carbon nanotubes induce sequence-specific epigenetic alterations in 16 HBE cells. Oncotarget 2018; 9:20351-20365. [PMID: 29755656 PMCID: PMC5945544 DOI: 10.18632/oncotarget.24866] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 03/15/2018] [Indexed: 02/06/2023] Open
Abstract
Recent studies have identified carbon nanotube (CNT)-induced epigenetic changes as one of the key players in patho-physiological response. In the present study, we investigated whether CNT exposure is associated with epigenetic changes in human bronchial epithelial cells (16 HBE), in vitro. We focused on global DNA methylation, methylation of LINE-1 elements and promoter sequence of twelve functionally important genes (SKI, DNMT1, HDAC4, NPAT, ATM, BCL2L11, MAP3K10, PIK3R2, MYO1C, TCF3, FGFR 1 and AGRN). Additionally, we studied the influence of CNT exposure on miRNA expression. Using a LC-MS/MS method and pyrosequencing for LINE-1, we observed no significant changes in global DNA methylation (%) between the concentrations of multi-walled and single-walled CNT (MWCNT and SWCNT, respectively). Significant changes in sequence-specific methylation was observed in at least one CpG site for DNMT1 (SWCNT), HDAC4 (MWCNT), NPAT/ATM (MWCNT and SWCNT), MAP3K10 (MWCNT), PIK3R2 (MWCNT and SWCNT) and MYO1C (SWCNT). While changes in DNA methylation of the genes were relatively small, these changes were associated with changes in RNA expression, especially for MWCNT. However, the study did not reveal any significant alteration in the miRNA expression, associated with MWCNT and SWCNT exposure. Based on our results, mainly MWCNT influence DNA methylation and expression of the studied genes and could have significant impact on several critical cellular processes.
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Affiliation(s)
- Manosij Ghosh
- KU Leuven, Department of Public Health and Primary Care, Centre Environment and Health, B-3000 Leuven, Belgium
| | - Deniz Öner
- KU Leuven, Department of Public Health and Primary Care, Centre Environment and Health, B-3000 Leuven, Belgium
| | - Radu C Duca
- KU Leuven, Department of Public Health and Primary Care, Centre Environment and Health, B-3000 Leuven, Belgium
| | - Bram Bekaert
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, University of Leuven, Leuven, Belgium.,Department of Forensic Medicine, Laboratory of Forensic Genetics and Molecular Archaeology, University Hospitals Leuven, Leuven, Belgium
| | - Jeroen A J Vanoirbeek
- KU Leuven, Department of Public Health and Primary Care, Centre Environment and Health, B-3000 Leuven, Belgium
| | - Lode Godderis
- KU Leuven, Department of Public Health and Primary Care, Centre Environment and Health, B-3000 Leuven, Belgium.,Idewe, External Service for Prevention and Protection at Work, B-3001 Heverlee, Belgium
| | - Peter H M Hoet
- KU Leuven, Department of Public Health and Primary Care, Centre Environment and Health, B-3000 Leuven, Belgium
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30
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Cao Y. The Toxicity of Nanoparticles to Human Endothelial Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1048:59-69. [DOI: 10.1007/978-3-319-72041-8_4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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31
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Ali Z, Islam A, Sherrell P, Le-Moine M, Lolas G, Syrigos K, Rafat M, Jensen LD. Adjustable delivery of pro-angiogenic FGF-2 by collagen-alginate microspheres. Biol Open 2018; 7:bio.027060. [PMID: 29449216 PMCID: PMC5898261 DOI: 10.1242/bio.027060] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Therapeutic induction of blood vessel growth (angiogenesis) in ischemic tissues holds great potential for treatment of myocardial infarction and stroke. Achieving sustained angiogenesis and vascular maturation has, however, been highly challenging. Here, we demonstrate that alginate:collagen hydrogels containing therapeutic, pro-angiogenic FGF-2, and formulated as microspheres, is a promising and clinically relevant vehicle for therapeutic angiogenesis. By titrating the amount of readily dissolvable and degradable collagen with more slowly degradable alginate in the hydrogel mixture, the degradation rates of the biomaterial controlling the release kinetics of embedded pro-angiogenic FGF-2 can be adjusted. Furthermore, we elaborate a microsphere synthesis protocol allowing accurate control over sphere size, also a critical determinant of degradation/release rate. As expected, alginate:collagen microspheres were completely biocompatible and did not cause any adverse reactions when injected in mice. Importantly, the amount of pro-angiogenic FGF-2 released from such microspheres led to robust induction of angiogenesis in zebrafish embryos similar to that achieved by injecting FGF-2-releasing cells. These findings highlight the use of microspheres constructed from alginate:collagen hydrogels as a promising and clinically relevant delivery system for pro-angiogenic therapy. Summary: The development of alginate:collagen composite hydrogel microspheres of adjustable size and degradation speed is described as a new platform for delivery of pro-angiogenic FGF-2 or pro-angiogenic cells.
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Affiliation(s)
- Zaheer Ali
- Department of Medical and Health Sciences, Division of Cardiovascular Medicine, Linköping University, Linköping, Sweden
| | - Anik Islam
- Department of Medical and Health Sciences, Division of Cardiovascular Medicine, Linköping University, Linköping, Sweden
| | - Peter Sherrell
- Department of Materials, Faculty of Engineering, Imperial College London, London, UK
| | - Mark Le-Moine
- Department of Biomedical Engineering, Linkoping University, Linköping, Sweden
| | - Georgios Lolas
- Oncology Unit, 3rd Department of Medicine, “Sotiria” General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Syrigos
- Oncology Unit, 3rd Department of Medicine, “Sotiria” General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Mehrdad Rafat
- Department of Biomedical Engineering, Linkoping University, Linköping, Sweden
| | - Lasse D. Jensen
- Department of Medical and Health Sciences, Division of Cardiovascular Medicine, Linköping University, Linköping, Sweden
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32
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Ahamed M, Khan MAM, Akhtar MJ, Alhadlaq HA, Alshamsan A. Ag-doping regulates the cytotoxicity of TiO 2 nanoparticles via oxidative stress in human cancer cells. Sci Rep 2017; 7:17662. [PMID: 29247182 PMCID: PMC5732217 DOI: 10.1038/s41598-017-17559-9] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 11/28/2017] [Indexed: 01/01/2023] Open
Abstract
We investigated the anticancer potential of Ag-doped (0.5-5%) anatase TiO2 NPs. Characterization study showed that dopant Ag was well-distributed on the surface of host TiO2 NPs. Size (15 nm to 9 nm) and band gap energy (3.32 eV to 3.15 eV) of TiO2 NPs were decreases with increasing the concentration of Ag dopant. Biological studies demonstrated that Ag-doped TiO2 NP-induced cytotoxicity and apoptosis in human liver cancer (HepG2) cells. The toxic intensity of TiO2 NPs was increases with increasing the amount of Ag-doping. The Ag-doped TiO2 NPs further found to provoke reactive oxygen species (ROS) generation and antioxidants depletion. Toxicity induced by Ag-doped TiO2 NPs in HepG2 cells was efficiently abrogated by antioxidant N-acetyl-cysteine (ROS scavenger). We also found that Ag-doped TiO2 NPs induced cytotoxicity and oxidative stress in human lung (A549) and breast (MCF-7) cancer cells. Interestingly, Ag-doped TiO2 NPs did not cause much toxicity to normal cells such as primary rat hepatocytes and human lung fibroblasts. Overall, we found that Ag-doped TiO2 NPs have potential to selectively kill cancer cells while sparing normal cells. This study warranted further research on anticancer potential of Ag-doped TiO2 NPs in various types of cancer cells and in vivo models.
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Affiliation(s)
- Maqusood Ahamed
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia.
| | - M A Majeed Khan
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
| | - Mohd Javed Akhtar
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
| | - 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
| | - Aws Alshamsan
- King Abdullah Institute for Nanotechnology, King Saud University, Riyadh, Saudi Arabia
- Nanomedicine Research Unit, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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33
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Liu X, Sui B, Sun J. Size- and shape-dependent effects of titanium dioxide nanoparticles on the permeabilization of the blood-brain barrier. J Mater Chem B 2017; 5:9558-9570. [PMID: 32264570 DOI: 10.1039/c7tb01314k] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Titanium dioxide nanoparticles (TiO2-NPs) have been found to translocate into the brain by penetrating the blood-brain barrier (BBB), but it remains largely unknown how their physicochemical characteristics may impact BBB permeabilization. By testing TiO2 particles of different shapes and various sizes, we found that: (1) small, spherical TiO2-NPs permeabilized a BBB-like human brain microvasculature endothelial cell monolayer better than rod-like or large particles; (2) TiO2-NPs stimulated F-actin stress fiber formation, and induced paracellular gaps and ROCK II activation. The TiO2-NP-mediated BBB permeabilization was associated with intracellular uptake and cytoskeletal re-organization; and (3) in rats, spherical, small TiO2-NPs significantly increased the BBB permeability and entered the brain. The TiO2-NPs were accumulated in the brain, but no obvious pathological anomaly was observed in the cerebral cortex and hippocampus. Our study investigated the neurotoxicity of TiO2-NPs, thereby providing scientific evaluation for the potential biomedical applications of TiO2-NPs.
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Affiliation(s)
- Xin Liu
- Shanghai Biomaterials Research & Testing Center, Shanghai Key Laboratory of Stomatology, Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, No. 427, Ju-men Road, Shanghai 200023, P. R. China.
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34
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Martinez CS, Igartúa DE, Calienni MN, Feas DA, Siri M, Montanari J, Chiaramoni NS, Alonso SDV, Prieto MJ. Relation between biophysical properties of nanostructures and their toxicity on zebrafish. Biophys Rev 2017; 9:775-791. [PMID: 28884420 DOI: 10.1007/s12551-017-0294-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 07/27/2017] [Indexed: 12/25/2022] Open
Abstract
In recent years, the use of commercial nanoparticles in different industry and health fields has increased exponentially. However, the uncontrolled application of nanoparticles might present a potential risk to the environment and health. Toxicity of these nanoparticles is usually evaluated by a fast screening assay in zebrafish (Danio rerio). The use of this vertebrate animal model has grown due to its small size, great adaptability, high fertilization rate and fast external development of transparent embryos. In this review, we describe the toxicity of different micro- and nanoparticles (carbon nanotubes, dendrimers, emulsions, liposomes, metal nanoparticles, and solid lipid nanoparticles) associated to their biophysical properties using this model. The main biophysical properties studied are size, charge and surface potential due to their impact on the environment and health effects. The review also discusses the correlation of the effects of the different nanoparticles on zebrafish. Special focus is made on morphological abnormalities, altered development and abnormal behavior. The last part of the review debates changes that should be made in future directions in order to improve the use of the zebrafish model to assess nanotoxicity.
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Affiliation(s)
- C S Martinez
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - D E Igartúa
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - M N Calienni
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - D A Feas
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - M Siri
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - J Montanari
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - N S Chiaramoni
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina
| | - S Del V Alonso
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina.
| | - M J Prieto
- Laboratorio de Biomembranas LBM-GBEyB-IMBICE-CONICET, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires, Argentina.
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González-Maciel A, Reynoso-Robles R, Torres-Jardón R, Mukherjee PS, Calderón-Garcidueñas L. Combustion-Derived Nanoparticles in Key Brain Target Cells and Organelles in Young Urbanites: Culprit Hidden in Plain Sight in Alzheimer’s Disease Development. J Alzheimers Dis 2017; 59:189-208. [DOI: 10.3233/jad-170012] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Mahaye N, Thwala M, Cowan DA, Musee N. Genotoxicity of metal based engineered nanoparticles in aquatic organisms: A review. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2017; 773:134-160. [PMID: 28927524 DOI: 10.1016/j.mrrev.2017.05.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 05/29/2017] [Accepted: 05/30/2017] [Indexed: 02/07/2023]
Abstract
Engineered nanoparticles (ENPs) are an emerging class of environmental contaminants, but are generally found in very low concentrations and are therefore likely to exert sub-lethal effects on aquatic organisms. In this review, we: (i) highlight key mechanisms of metal-based ENP-induced genotoxicity, (ii) identify key nanoparticle and environmental factors which influence the observed genotoxic effects, and (iii) highlight the challenges involved in interpreting reported data and provide recommendations on how these challenges might be addressed. We review the application of eight different genotoxicity assays, where the Comet Assay is generally preferred due to its capacity to detect low levels of DNA damage. Most ENPs have been shown to cause genotoxic responses; e.g., DNA or/and chromosomal fragmentation, or DNA strand breakage, but at unrealistic high concentrations. The genotoxicity of the ENPs was dependent on the inherent physico-chemical properties (e.g. size, coating, surface chemistry, e.tc.), and the presence of co-pollutants. To enhance the value of published genotoxicity data, the role of environmental processes; e.g., dissolution, aggregation and agglomeration, and adsorption of ENPs when released in aquatic systems, should be included, and assay protocols must be standardized. Such data could be used to model ENP genotoxicity processes in open environmental systems.
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Affiliation(s)
- N Mahaye
- Centre for Microbial Ecology and Genomics, Department of Genetics, University of Pretoria, Pretoria, South Africa; Water Resources Competence Area, Natural Resources and the Environment, CSIR, Pretoria, South Africa
| | - M Thwala
- Water Resources Competence Area, Natural Resources and the Environment, CSIR, Pretoria, South Africa
| | - D A Cowan
- Centre for Microbial Ecology and Genomics, Department of Genetics, University of Pretoria, Pretoria, South Africa
| | - N Musee
- Department of Chemical Engineering, University of Pretoria, Pretoria, South Africa.
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Chen M, Dixon DA. Modeling the formation of TiO 2 ultra-small nanoparticles. NANOSCALE 2017; 9:7143-7162. [PMID: 28513704 DOI: 10.1039/c7nr01749a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The structures of TiO2 ultra-small nanoparticles (USNPs) at the atomistic level have been predicted because of their potential importance in catalytic, environmental, biological and energy applications. Low energy (TiO2)n clusters and USNPs (n up to 80 at the B3LYP/DZVP2 level, and up to 384 at the PM6 level) were found using a novel bottom-up global optimization approach that is based on all-atom real-space calculations. These structures include USNPs that belong to 1-D, 2-D and 3-D USNP series where all the members share the same fragment types and local translational symmetries. Most of the metastable 2-D and 3-D USNPs contain tubular building blocks similar to the 1-D USNPs. The 3-D USNPs that resemble the bulk anatase are predicted to be energetically favorable structures for 64 ≤ n ≤ 384. A fragment-based model was developed to relate the energy with geometry for the 1-D, 2-D and 3-D USNPs. Surface energy densities were predicted for surface fragments at the different positions of the USNPs using this new model. Based on the predicted surface energy densities and the partial density of states, the most catalytically active sites for the anatase-like 3-D USNPs were predicted to be the kink sites on Face-x surfaces consisting of an octahedral-Ti, the step (edge) sites between the Face-x and Face-y surfaces consisting of a square pyramidal-Ti (on Face-x), and the step sites consisting of a trigonal bipyramidal Ti on the Face-y surfaces.
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Affiliation(s)
- Mingyang Chen
- Beijing Computational Science Research Center, Beijing, China.
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Hu Q, Guo F, Zhao F, Tang G, Fu Z. Cardiovascular toxicity assessment of poly (ethylene imine)- based cationic polymers on zebrafish model. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 28:768-780. [DOI: 10.1080/09205063.2017.1301773] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Qinglian Hu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Fengliang Guo
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Fenghui Zhao
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Guping Tang
- Institute of Chemical Biology and Pharmaceutical Chemistry, Zhejiang University, Hangzhou, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
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Samiei M, Janani M, Asl-Aminabadi N, Ghasemi N, Divband B, Shirazi S, Kafili K. Effect of the TiO2 nanoparticles on the selected physical properties of mineral trioxide aggregate. J Clin Exp Dent 2017; 9:e191-e195. [PMID: 28210434 PMCID: PMC5303316 DOI: 10.4317/jced.53166] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 07/29/2016] [Indexed: 12/28/2022] Open
Abstract
Background Some of the efforts to improve the properties of Mineral Trioxide Aggregate (MTA) include incorporation of some nanoparticles such as Titanium dioxide (TiO2). The aim of this study was to evaluate the effect of TiO2 nanoparticles on the setting time, working time, push-out bond strength and compressive strength of MTA. Material and Methods The physical properties to be evaluated were determined using the ISO 6786:2001 and 9917 specifications. Fifteen samples of each material (MTA or MTA with 1% weight ratio of TiO2 Nanoparticles) were prepared for any evaluated physical property. Data were analyzed using descriptive statistics and T-test. Statistical significance was set at P<0.05. Results There was the significant effect of the material type (presence and absence of TiO2 nanoparticles) on the push-out bond strength, compressive strength, working time and setting time, with significantly higher values achieved in the group with TiO2 nanoparticles than the group without these particles (P=0.01 for the setting time and compressive strength, P=0.03 for the working time and P=0.001 for the bond strength). Conclusions Based on the findings of this in vitro study, incorporation of the TiO2 nanoparticles with weight ratio of 1% increased the setting time, working time, compressive strength and push out bond strength of MTA. Key words:Mineral trioxide aggregate, nanoparticles, physical properties, titanium dioxide.
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Affiliation(s)
- Mohammad Samiei
- Associate Professor, Department of Endodontics, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Maryam Janani
- Assistant Professor, Department of Endodontics, Dental and Periodontal Research Center, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Naser Asl-Aminabadi
- Professor, Department of Pediatric Dentistry, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Negin Ghasemi
- Assistant Professor, Department of Endodontics, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Baharak Divband
- Assistant Professor, Department of Chemistry, Tabriz University , Tabriz, Iran
| | - Sajjad Shirazi
- Research Assistant, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
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Samiei M, Ghasemi N, Aghazadeh M, Divband B, Akbarzadeh F. Biocompatibility of Mineral Trioxide Aggregate with TiO2 Nanoparticles on Human Gingival Fibroblasts. J Clin Exp Dent 2017; 9:e182-e185. [PMID: 28210432 PMCID: PMC5303314 DOI: 10.4317/jced.53126] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 07/18/2016] [Indexed: 11/29/2022] Open
Abstract
Background The New compositions of white mineral trioxide aggregate (WMTA) or use of various additives like nanoparticles might affect MTA’s ideal characteristics This study was performed to evaluate the cytotoxicity of WMTA and WMTA with Titanium dioxide (TiO2) nanoparticles (1% weight ratio) at different storage times after mixing on human gingival fibroblasts (HGFs). Material and Methods HGFs were obtained from the attached gingiva of human premolars. HGFs were cultured in Dulbecco’s Modified Eagle medium, supplemented with 10% fetal calf serum, penicillin and streptomycin. The cells were exposed to WMTA (groups 1 and 2) and WMTA+TiO2 (groups 3 and 4). The fifth and sixth groups served as controls. Each group contained 15 wells. After 24h (groups 1, 3 and 5) and 48 h (groups 2, 4 and 6) of exposure, HGF viability was determined by Mosmann’s tetrazolium toxicity (MTT) assay. Statistical analysis of the data was performed by using one-way analysis of variance and Tukey post hoc test, with significance of p < 0.05. Results With both materials, the viability of HGFs significantly decrased with increasing the incubation time from 24h to 48 h (P<0.05). There was no significant difference between the materials regarding HGF viability (P>0.05). Conclusions Under the limitations of the present study, incorporation of TiO2 nanoparticles into MTA at 1 wt% had no negative effect on its biocompatibility. Key words:Cytotoxicity, fibroblast, MTA, MTT assay, nanoparticle, TiO2.
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Affiliation(s)
- Mohammad Samiei
- Associate Professor, Department of Endodontics, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Negin Ghasemi
- Assistant Professor, Department of Endodontics, Dental and Periodontal Research Center, Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Marzieh Aghazadeh
- Assistant Professor, Department of Oral Medicine , Dental Faculty, Tabriz University (Medical Sciences), Tabriz, Iran
| | - Baharak Divband
- Assistant Professor, Department of Chemistry, Tabriz University, Tabriz, Iran
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Kuempel ED, Jaurand MC, Møller P, Morimoto Y, Kobayashi N, Pinkerton KE, Sargent LM, Vermeulen RCH, Fubini B, Kane AB. Evaluating the mechanistic evidence and key data gaps in assessing the potential carcinogenicity of carbon nanotubes and nanofibers in humans. Crit Rev Toxicol 2017; 47:1-58. [PMID: 27537422 PMCID: PMC5555643 DOI: 10.1080/10408444.2016.1206061] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Accepted: 06/22/2016] [Indexed: 12/31/2022]
Abstract
In an evaluation of carbon nanotubes (CNTs) for the IARC Monograph 111, the Mechanisms Subgroup was tasked with assessing the strength of evidence on the potential carcinogenicity of CNTs in humans. The mechanistic evidence was considered to be not strong enough to alter the evaluations based on the animal data. In this paper, we provide an extended, in-depth examination of the in vivo and in vitro experimental studies according to current hypotheses on the carcinogenicity of inhaled particles and fibers. We cite additional studies of CNTs that were not available at the time of the IARC meeting in October 2014, and extend our evaluation to include carbon nanofibers (CNFs). Finally, we identify key data gaps and suggest research needs to reduce uncertainty. The focus of this review is on the cancer risk to workers exposed to airborne CNT or CNF during the production and use of these materials. The findings of this review, in general, affirm those of the original evaluation on the inadequate or limited evidence of carcinogenicity for most types of CNTs and CNFs at this time, and possible carcinogenicity of one type of CNT (MWCNT-7). The key evidence gaps to be filled by research include: investigation of possible associations between in vitro and early-stage in vivo events that may be predictive of lung cancer or mesothelioma, and systematic analysis of dose-response relationships across materials, including evaluation of the influence of physico-chemical properties and experimental factors on the observation of nonmalignant and malignant endpoints.
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Affiliation(s)
- Eileen D Kuempel
- a National Institute for Occupational Safety and Health , Cincinnati , OH , USA
| | - Marie-Claude Jaurand
- b Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche , UMR 1162 , Paris , France
- c Labex Immuno-Oncology, Sorbonne Paris Cité, University of Paris Descartes , Paris , France
- d University Institute of Hematology, Sorbonne Paris Cité, University of Paris Diderot , Paris , France
- e University of Paris 13, Sorbonne Paris Cité , Saint-Denis , France
| | - Peter Møller
- f Department of Public Health , University of Copenhagen , Copenhagen , Denmark
| | - Yasuo Morimoto
- g Department of Occupational Pneumology , University of Occupational and Environmental Health , Kitakyushu City , Japan
| | | | - Kent E Pinkerton
- i Center for Health and the Environment, University of California , Davis , California , USA
| | - Linda M Sargent
- j National Institute for Occupational Safety and Health , Morgantown , West Virginia , USA
| | - Roel C H Vermeulen
- k Institute for Risk Assessment Sciences, Utrecht University , Utrecht , The Netherlands
| | - Bice Fubini
- l Department of Chemistry and "G.Scansetti" Interdepartmental Center , Università degli Studi di Torino , Torino , Italy
| | - Agnes B Kane
- m Department of Pathology and Laboratory Medicine , Brown University , Providence , RI , USA
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Kuruvilla J, Farinha AP, Bayat N, Cristobal S. Surface proteomics on nanoparticles: a step to simplify the rapid prototyping of nanoparticles. NANOSCALE HORIZONS 2017; 2:55-64. [PMID: 32260678 DOI: 10.1039/c6nh00162a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Engineered nanoparticles for biomedical applications require increasing effectiveness in targeting specific cells while preserving non-target cells' safety. We developed a surface proteomics method for a rapid and systematic analysis of the interphase between the nanoparticle protein corona and the targeted cells that could implement the rapid prototyping of nanomedicines. Native nanoparticles entering in a protein-rich liquid medium quickly form a macromolecular structure called protein corona. This protein structure defines the physical interaction between nanoparticles and target cells. The surface proteins compose the first line of interaction between this macromolecular structure and the cell surface of a target cell. We demonstrated that SUSTU (SUrface proteomics, Safety, Targeting, Uptake) provides a qualitative and quantitative analysis from the protein corona surface. With SUSTU, the spatial dynamics of the protein corona surface can be studied. Data from SUSTU would ascertain the nanoparticle functionalized groups exposed at a destiny that could circumvent preliminary in vitro experiments. Therefore, this method could implement in the analysis of nanoparticle targeting and uptake capability and could be integrated into a rapid prototyping strategy which is a major challenge in nanomaterials science. Data are available via ProteomeXchange with the identifier PXD004636.
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Affiliation(s)
- J Kuruvilla
- Department of Clinical and Experimental Medicine, Cell Biology, Faculty of Medicine, Linköping University, Linköping, Sweden.
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Lee IC, Ko JW, Park SH, Shin NR, Shin IS, Moon C, Kim JH, Kim HC, Kim JC. Comparative toxicity and biodistribution assessments in rats following subchronic oral exposure to copper nanoparticles and microparticles. Part Fibre Toxicol 2016; 13:56. [PMID: 27788687 PMCID: PMC5084351 DOI: 10.1186/s12989-016-0169-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 10/17/2016] [Indexed: 12/31/2022] Open
Abstract
Background Copper nanoparticles (Cu NPs) have great potential in electronics and biomedical fields because of their efficient thermodynamic and anti-microbial properties. However, their potential toxic effects and kinetic data following repeated exposure are still unclear. Methods We evaluated the physicochemical properties of Cu NPs (25 nm) and copper microparticles (Cu MPs, 14–25 μm). Comparative in vivo toxicity of Cu NPs and Cu MPs was evaluated by conducting a 28-day repeated oral dose study at equivalent dose levels of 0, 100, 200, and 400 mg/kg/day (vehicle, 1 % hydroxypropyl methylcellulose). We determined Cu levels in the blood, tissues, urine, and feces by using inductively coupled plasma mass spectrometry. Results The solubility of Cu NPs and Cu MPs was 84.5 and 17.2 %, respectively, in an acidic milieu; however, they scarcely dissolved in vehicle or intestinal milieus. The specific surface area of Cu NPs and Cu MPs was determined to be 14.7 and 0.16 m2/g, respectively. Cu NPs exhibited a dose-dependent increase of Cu content in the blood and tested organs, with particularly high levels of Cu in the liver, kidney, and spleen. Only for liver and kidney increased Cu levels were found in Cu MPs-treated rats. Cu NPs caused a dose-related increase in Cu levels in urine, whereas Cu MPs did not affect the urine Cu levels. Extremely high levels of Cu were detected in the feces of Cu MPs-treated rats, whereas much lower levels were detected in the feces of Cu NPs-treated rats. A comparative in vivo toxicity study showed that Cu NPs caused damages to red blood cells, thymus, spleen, liver, and kidney at ≥200 mg/kg/days, but Cu MPs did not cause any adverse effects even at the highest dose. Conclusions Overall, the in vivo repeated dose toxicity study of Cu NPs and Cu MPs demonstrated that large surface area and high solubility in physiological milieus could directly influence the toxicological responses and biodistribution of Cu particles when administered orally. Under these experimental conditions, the no-observed-adverse-effect levels of Cu NPs and Cu MPs were determined to be 100 and ≥400 mg/kg/day, respectively. Electronic supplementary material The online version of this article (doi:10.1186/s12989-016-0169-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- In-Chul Lee
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea.,Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, 56212, Republic of Korea
| | - Je-Won Ko
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Sung-Hyeuk Park
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Na-Rae Shin
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - In-Sik Shin
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Changjong Moon
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Je-Hein Kim
- Gyeongnam Department of Environment & Toxicology, Korea Institute of Toxicology, Gyeongnam, 52834, Republic of Korea
| | - Hyoung-Chin Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, ChungBuk, 28116, Republic of Korea.
| | - Jong-Choon Kim
- College of Veterinary Medicine BK21 Plus Project Team, Chonnam National University, Gwangju, 61186, Republic of Korea.
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Jang GH, Park CB, Kang BJ, Kim YJ, Lee KH. Sequential assessment via daphnia and zebrafish for systematic toxicity screening of heterogeneous substances. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 216:292-303. [PMID: 27288628 DOI: 10.1016/j.envpol.2016.06.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 05/13/2016] [Accepted: 06/01/2016] [Indexed: 05/21/2023]
Abstract
Environment and organisms are persistently exposed by a mixture of various substances. However, the current evaluation method is mostly based on an individual substance's toxicity. A systematic toxicity evaluation of heterogeneous substances needs to be established. To demonstrate toxicity assessment of mixture, we chose a group of three typical ingredients in cosmetic sunscreen products that frequently enters ecosystems: benzophenone-3 (BP-3), ethylhexyl methoxycinnamate (EHMC), and titanium dioxide nanoparticle (TiO2 NP). We first determined a range of nominal toxic concentration of each ingredient or substance using Daphnia magna, and then for the subsequent organismal level phenotypic assessment, chose the wild-type zebrafish embryos. Any phenotype change, such as body deformation, led to further examinations on the specific organs of transgenic zebrafish embryos. Based on the systematic toxicity assessments of the heterogeneous substances, we offer a sequential environmental toxicity assessment protocol that starts off by utilizing Daphnia magna to determine a nominal concentration range of each substance and finishes by utilizing the zebrafish embryos to detect defects on the embryos caused by the heterogeneous substances. The protocol showed additive toxic effects of the mixtures. We propose a sequential environmental toxicity assessment protocol for the systematic toxicity screening of heterogeneous substances from Daphnia magna to zebrafish embryo in-vivo models.
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Affiliation(s)
- Gun Hyuk Jang
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea.
| | - Chang-Beom Park
- Environmental Safety Group, Korea Institute of Science and Technology Europe (KIST Europe), Saarbruecken 66123, Germany.
| | - Benedict J Kang
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea.
| | - Young Jun Kim
- Environmental Safety Group, Korea Institute of Science and Technology Europe (KIST Europe), Saarbruecken 66123, Germany.
| | - Kwan Hyi Lee
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea.
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Folkesson M, Sadowska N, Vikingsson S, Karlsson M, Carlhäll CJ, Länne T, Wågsäter D, Jensen L. Differences in cardiovascular toxicities associated with cigarette smoking and snuff use revealed using novel zebrafish models. Biol Open 2016; 5:970-8. [PMID: 27334697 PMCID: PMC4958274 DOI: 10.1242/bio.018812] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Tobacco use is strongly associated with cardiovascular disease and the only avoidable risk factor associated with development of aortic aneurysm. While smoking is the most common form of tobacco use, snuff and other oral tobacco products are gaining popularity, but research on potentially toxic effects of oral tobacco use has not kept pace with the increase in its use. Here, we demonstrate that cigarette smoke and snuff extracts are highly toxic to developing zebrafish embryos. Exposure to such extracts led to a palette of toxic effects including early embryonic mortality, developmental delay, cerebral hemorrhages, defects in lymphatics development and ventricular function, and aneurysm development. Both cigarette smoke and snuff were more toxic than pure nicotine, indicating that other compounds in these products are also associated with toxicity. While some toxicities were found following exposure to both types of tobacco product, other toxicities, including developmental delay and aneurysm development, were specifically observed in the snuff extract group, whereas cerebral hemorrhages were only found in the group exposed to cigarette smoke extract. These findings deepen our understanding of the pathogenic effects of cigarette smoking and snuff use on the cardiovascular system and illustrate the benefits of using zebrafish to study mechanisms involved in aneurysm development.
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Affiliation(s)
- Maggie Folkesson
- Division of Drug Research, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
| | - Natalia Sadowska
- Division of Cardiovascular Medicine, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
| | - Svante Vikingsson
- Division of Drug Research, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
| | - Matts Karlsson
- Division of Applied Thermodynamics and Fluid Mechanics, Department of Management and Engineering, Linköping University, 581 83 Linköping, Sweden
| | - Carl-Johan Carlhäll
- Division of Cardiovascular Medicine, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
| | - Toste Länne
- Division of Cardiovascular Medicine, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
| | - Dick Wågsäter
- Division of Drug Research, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
| | - Lasse Jensen
- Division of Cardiovascular Medicine, Department of Medical and Health Sciences, Linköping University, 581 85 Linköping, Sweden
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Yu X, Hong F, Zhang YQ. Bio-effect of nanoparticles in the cardiovascular system. J Biomed Mater Res A 2016; 104:2881-97. [PMID: 27301683 DOI: 10.1002/jbm.a.35804] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 06/07/2016] [Indexed: 12/21/2022]
Abstract
Nanoparticles (NPs; < 100 nm) are increasingly being applied in various fields due to their unique physicochemical properties. The increase in human exposure to NPs has raised concerns regarding their health and safety profiles. The potential correlation between NP exposure and several cardiovascular (CV) events has been demonstrated. The aim of this review is to provide a comprehensive evaluation of the current knowledge regarding the bio-toxic impacts of titanium oxide, silver, silica, carbon black, carbon nanotube, and zinc oxide NPs exposure on the CV system in terms of in vivo and in vitro experiments, which is not fully understood presently. Moreover, the potential toxic mechanisms of NPs in the CV system that are still being questioned are elaborately discussed, and the underlying capacity of NPs used in medicine for CV events are summarized. It will be an important instrument to extrapolate relevant data for human CV risk evaluation and management. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 2881-2897, 2016.
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Affiliation(s)
- Xiaohong Yu
- Department of Applied Biology, School of Basic Medical and Biological Sciences, Soochow University, RM702-2303, Renai Road No. 199, Dushuhu Higher Edu. Town, Suzhou, 215123, People's Republic of China
| | - Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China. .,Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, 223300, China.
| | - Yu-Qing Zhang
- Department of Applied Biology, School of Basic Medical and Biological Sciences, Soochow University, RM702-2303, Renai Road No. 199, Dushuhu Higher Edu. Town, Suzhou, 215123, People's Republic of China
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Adverse Biological Effect of TiO₂ and Hydroxyapatite Nanoparticles Used in Bone Repair and Replacement. Int J Mol Sci 2016; 17:ijms17060798. [PMID: 27231896 PMCID: PMC4926332 DOI: 10.3390/ijms17060798] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 05/06/2016] [Accepted: 05/19/2016] [Indexed: 12/18/2022] Open
Abstract
The adverse biological effect of nanoparticles is an unavoidable scientific problem because of their small size and high surface activity. In this review, we focus on nano-hydroxyapatite and TiO₂ nanoparticles (NPs) to clarify the potential systemic toxicological effect and cytotoxic response of wear nanoparticles because they are attractive materials for bone implants and are widely investigated to promote the repair and reconstruction of bone. The wear nanoparticles would be prone to binding with proteins to form protein-particle complexes, to interacting with visible components in the blood including erythrocytes, leukocytes, and platelets, and to being phagocytosed by macrophages or fibroblasts to deposit in the local tissue, leading to the formation of fibrous local pseudocapsules. These particles would also be translocated to and disseminated into the main organs such as the lung, liver and spleen via blood circulation. The inflammatory response, oxidative stress, and signaling pathway are elaborated to analyze the potential toxicological mechanism. Inhibition of the oxidative stress response and signaling transduction may be a new therapeutic strategy for wear debris-mediated osteolysis. Developing biomimetic materials with better biocompatibility is our goal for orthopedic implants.
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48
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Calderón-Garcidueñas L, Reynoso-Robles R, Vargas-Martínez J, Gómez-Maqueo-Chew A, Pérez-Guillé B, Mukherjee PS, Torres-Jardón R, Perry G, Gónzalez-Maciel A. Prefrontal white matter pathology in air pollution exposed Mexico City young urbanites and their potential impact on neurovascular unit dysfunction and the development of Alzheimer's disease. ENVIRONMENTAL RESEARCH 2016; 146:404-17. [PMID: 26829765 DOI: 10.1016/j.envres.2015.12.031] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 11/30/2015] [Accepted: 12/27/2015] [Indexed: 05/20/2023]
Abstract
Millions of urban children are chronically exposed to high concentrations of air pollutants, i.e., fine particulate matter (PM2.5) and ozone, associated with increased risk for Alzheimer's disease. Compared with children living with clear air those in Mexico City (MC) exhibit systemic, brain and intrathecal inflammation, low CSF Aβ42, breakdown of the BBB, attention and short-term memory deficits, prefrontal white matter hyperintensities, damage to epithelial and endothelial barriers, tight junction and neural autoantibodies, and Alzheimer and Parkinson's hallmarks. The prefrontal white matter is a target of air pollution. We examined by light and electron microscopy the prefrontal white matter of MC dogs (n: 15, age 3.17±0.74 years), children and teens (n: 34, age: 12.64±4.2 years) versus controls. Major findings in MC residents included leaking capillaries and small arterioles with extravascular lipids and erythrocytes, lipofuscin in pericytes, smooth muscle and endothelial cells (EC), thickening of cerebrovascular basement membranes with small deposits of amyloid, patchy absence of the perivascular glial sheet, enlarged Virchow-Robin spaces and nanosize particles (20-48nm) in EC, basement membranes, axons and dendrites. Tight junctions, a key component of the neurovascular unit (NVU) were abnormal in MC versus control dogs (χ(2)<0.0001), and white matter perivascular damage was significantly worse in MC dogs (p=0.002). The integrity of the NVU, an interactive network of vascular, glial and neuronal cells is compromised in MC young residents. Characterizing the early NVU damage and identifying biomarkers of neurovascular dysfunction may provide a fresh insight into Alzheimer pathogenesis and open opportunities for pediatric neuroprotection.
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Affiliation(s)
- Lilian Calderón-Garcidueñas
- The University of Montana, Missoula, MT 59812, USA; Universidad del Valle de México, Mexico City 04850, México.
| | | | | | | | | | | | - Ricardo Torres-Jardón
- Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México, Mexico City 04310, México
| | - George Perry
- College of Sciences, University of Texas at San Antonio, San Antonio, TX, USA
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García CR, Oliva J, Romero MT, Diaz-Torres LA. Enhancing the Photocatalytic Activity of Sr4
Al14
O25
: Eu2+
, Dy3+
Persistent Phosphors by Codoping with Bi3+
Ions. Photochem Photobiol 2016; 92:231-237. [DOI: 10.1111/php.12570] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 12/06/2015] [Indexed: 01/25/2023]
Affiliation(s)
- Carlos R. García
- Facultad de Ciencias Físico-Matemáticas; Universidad Autónoma de Coahuila; Saltillo Mexico
| | - Jorge Oliva
- Grupo de Espectroscopia de Materiales Avanzados y Nanoestructurados (GEMANA); Centro de Investigaciones en Óptica; León Mexico
| | - Maria Teresa Romero
- Facultad de Ciencias Físico-Matemáticas; Universidad Autónoma de Coahuila; Saltillo Mexico
| | - Luis A. Diaz-Torres
- Grupo de Espectroscopia de Materiales Avanzados y Nanoestructurados (GEMANA); Centro de Investigaciones en Óptica; León Mexico
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50
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Maysinger D, Ji J, Hutter E, Cooper E. Nanoparticle-Based and Bioengineered Probes and Sensors to Detect Physiological and Pathological Biomarkers in Neural Cells. Front Neurosci 2015; 9:480. [PMID: 26733793 PMCID: PMC4683200 DOI: 10.3389/fnins.2015.00480] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 11/30/2015] [Indexed: 01/11/2023] Open
Abstract
Nanotechnology, a rapidly evolving field, provides simple and practical tools to investigate the nervous system in health and disease. Among these tools are nanoparticle-based probes and sensors that detect biochemical and physiological properties of neurons and glia, and generate signals proportionate to physical, chemical, and/or electrical changes in these cells. In this context, quantum dots (QDs), carbon-based structures (C-dots, grapheme, and nanodiamonds) and gold nanoparticles are the most commonly used nanostructures. They can detect and measure enzymatic activities of proteases (metalloproteinases, caspases), ions, metabolites, and other biomolecules under physiological or pathological conditions in neural cells. Here, we provide some examples of nanoparticle-based and genetically engineered probes and sensors that are used to reveal changes in protease activities and calcium ion concentrations. Although significant progress in developing these tools has been made for probing neural cells, several challenges remain. We review many common hurdles in sensor development, while highlighting certain advances. In the end, we propose some future directions and ideas for developing practical tools for neural cell investigations, based on the maxim "Measure what is measurable, and make measurable what is not so" (Galileo Galilei).
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Affiliation(s)
- Dusica Maysinger
- Department of Pharmacology and Therapeutics, McGill University Montreal, QC, Canada
| | - Jeff Ji
- Department of Pharmacology and Therapeutics, McGill University Montreal, QC, Canada
| | - Eliza Hutter
- Department of Pharmacology and Therapeutics, McGill University Montreal, QC, Canada
| | - Elis Cooper
- Department of Physiology, McGill University Montreal, QC, Canada
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