1
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Kaur K, Narang RK, Singh S. Neuroprotective potential of Betulinic acid against TIO 2NP induced neurotoxicity in zebrafish. Int Immunopharmacol 2024; 138:112604. [PMID: 38968863 DOI: 10.1016/j.intimp.2024.112604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 06/04/2024] [Accepted: 06/29/2024] [Indexed: 07/07/2024]
Abstract
Betulinic acid (BA) is a natural triterpenoid extracted from Bacopa monnieri. BA has been reported to be used as a neuroprotective agent, but their molecular mechanisms are still unknown. Therefore, in this study, we attempted to investigate the precise mechanism of BA for its protective effect against Titanium dioxide nanoparticles (TiO2NP) induced neurotoxicity in zebrafish. Hence, our study observation showed that 10 µg/ml dose of TiO2NP caused a rigorous behavioral deficit in zebrafish. Further, biochemical analysis revealed TiO2NP significantly decreased GSH, and SOD, and increased MDA, AChE, TNF-α, IL-1β, and IL-6 levels, suggesting it triggers oxidative stress and neuroinflammation. However, BA at doses of 2.5,5,10 mg/kg improved behavioral as well as biochemical changes in zebrafish brain. Moreover, BA also significantly raised the levels of DA, NE, 5-HT, and GABA and decreased glutamate levels in TiO2NP-treated zebrafish brain. Our histopathological analysis proved that TiO2NP causes morphological changes in the brain. These changes were expressed by increasing pyknotic neurons, which were dose-dependently reduced by Betulinic acid. Likewise, BA upregulated the levels of NRF-2 and HO-1, which can reduce oxidative stress and neuroinflammation. Thus, our study provides evidence for the molecular mechanism behind the neuroprotective effect of Betulinic acid. Rendering to the findings, we can consider BA as a suitable applicant for the treatment of AD-like symptoms.
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Affiliation(s)
- Karamjeet Kaur
- Research Scholar, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India, 142001; Research Scholar, I.K. Gujral Punjab Technical University, Jalandhar Punjab, India, 144603
| | - R K Narang
- Nanomedicine Research Centre, Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab, India, 142001
| | - Shamsher Singh
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India, 142001.
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2
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Khatoon N, Mallah MA, Yu Z, Qu Z, Ali M, Liu N. Recognition and detection technology for microplastic, its source and health effects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:11428-11452. [PMID: 38183545 DOI: 10.1007/s11356-023-31655-6] [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: 12/13/2022] [Accepted: 12/17/2023] [Indexed: 01/08/2024]
Abstract
Microplastic (MP) is ubiquitous in the environment which appeared as an immense intimidation to human and animal health. The plastic fragments significantly polluted the ocean, fresh water, food chain, and other food items. Inadequate maintenance, less knowledge of adverse influence along with inappropriate usage in addition throwing away of plastics items revolves present planet in to plastics planet. The present study aims to focus on the recognition and advance detection technologies for MPs and the adverse effects of micro- and nanoplastics on human health. MPs have rigorous adverse effect on human health that leads to condensed growth rates, lessened reproductive capability, ulcer, scrape, and oxidative nervous anxiety, in addition, also disturb circulatory and respiratory mechanism. The detection of MP particles has also placed emphasis on identification technologies such as scanning electron microscopy, Raman spectroscopy, optical detection, Fourier transform infrared spectroscopy, thermo-analytical techniques, flow cytometry, holography, and hyperspectral imaging. It suggests that further research should be explored to understand the source, distribution, and health impacts and evaluate numerous detection methodologies for the MPs along with purification techniques.
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Affiliation(s)
- Nafeesa Khatoon
- College of Public Health, Zhengzhou University, Zhengzhou, 540001, People's Republic of China
| | - Manthar Ali Mallah
- College of Public Health, Zhengzhou University, Zhengzhou, 540001, People's Republic of China.
| | - Zengli Yu
- College of Public Health, Zhengzhou University, Zhengzhou, 540001, People's Republic of China
| | - Zhi Qu
- Institute of Chronic Disease Risk Assessment, School of Nursing, Henan University, Kaifeng, 475004, People's Republic of China
| | - Mukhtiar Ali
- Department of Chemical Engineering, Quaid-E-Awam University of Engineering, Science and Technology (QUEST), Nawabshah, 67480, Sindh, Pakistan
| | - Nan Liu
- College of Public Health, Zhengzhou University, Zhengzhou, 540001, People's Republic of China
- Institute of Chronic Disease Risk Assessment, School of Nursing, Henan University, Kaifeng, 475004, People's Republic of China
- Health Science Center, South China Hospital, Shenzhen University, Shenzhen, 518116, People's Republic of China
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3
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Li C, Tang M. The toxicological effects of nano titanium dioxide on target organs and mechanisms of toxicity. J Appl Toxicol 2024; 44:152-164. [PMID: 37655586 DOI: 10.1002/jat.4534] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/04/2023] [Accepted: 08/13/2023] [Indexed: 09/02/2023]
Abstract
Nano-titanium dioxide (TiO2 NPs) is widely used for its extremely high stability, corrosion resistance, and photocatalytic properties and has penetrated into various fields of production and life. Assessing its toxicity to different organs should be a key part of preclinical toxicity assessment of TiO2 NPs, which is relatively incomprehensive yet. Therefore, this review focuses on the toxic effects of TiO2 NPs on various organs in mammals and biological mechanisms from different organs. The commonality of toxic effects on various target organs reflected in tissue structure damage and dysfunction, such as liver damage and dysfunction; pulmonary fibrosis; and renal impairment (including hematuria and nephritis); damage of brain tissue and neurons; alteration of intestinal villi; and weight loss. And effects on the reproductive system are affected by different sexes, including ovarian dysfunction, testicular development damage, and sperm viability reduction. We believe that the toxic mechanisms of TiO2 NPs in target organs have commonalities, such as oxidative stress, inflammatory responses, and organelle damage. However, different target organ toxicities also have their specificities. TiO2 NPs disturb the intestinal flora and cause undesirable changes in feces products. And in spleen are infiltration of neutrophils and lymphadenopathy and eventually immune deficiency. Although the toxic pathways are different, but there may be a close link between the different toxic pathways. In this article, the main manifestations of the toxic effects of titanium dioxide nanoparticles on major mammalian organs are reviewed, in order to provide basic data for their better application from a medical perspective.
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Affiliation(s)
- Congcong Li
- Key Laboratory of Environmental Medicine of Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, People's Republic of China
| | - Meng Tang
- Key Laboratory of Environmental Medicine of Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, People's Republic of China
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4
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Retraction: Gene-Expression Changes in Cerium Chloride-Induced Injury of Mouse Hippocampus. PLoS One 2024; 19:e0297257. [PMID: 38206941 PMCID: PMC10783768 DOI: 10.1371/journal.pone.0297257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024] Open
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5
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Zhang X, Song Y, Gong H, Wu C, Wang B, Chen W, Hu J, Xiang H, Zhang K, Sun M. Neurotoxicity of Titanium Dioxide Nanoparticles: A Comprehensive Review. Int J Nanomedicine 2023; 18:7183-7204. [PMID: 38076727 PMCID: PMC10710240 DOI: 10.2147/ijn.s442801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 11/25/2023] [Indexed: 12/18/2023] Open
Abstract
The increasing use of titanium dioxide nanoparticles (TiO2 NPs) across various fields has led to a growing concern regarding their environmental contamination and inevitable human exposure. Consequently, significant research efforts have been directed toward understanding the effects of TiO2 NPs on both humans and the environment. Notably, TiO2 NPs exposure has been associated with multiple impairments of the nervous system. This review aims to provide an overview of the documented neurotoxic effects of TiO2 NPs in different species and in vitro models. Following exposure, TiO2 NPs can reach the brain, although the specific mechanism and quantity of particles that cross the blood-brain barrier (BBB) remain unclear. Exposure to TiO2 NPs has been shown to induce oxidative stress, promote neuroinflammation, disrupt brain biochemistry, and ultimately impair neuronal function and structure. Subsequent neuronal damage may contribute to various behavioral disorders and play a significant role in the onset and progression of neurodevelopmental or neurodegenerative diseases. Moreover, the neurotoxic potential of TiO2 NPs can be influenced by various factors, including exposure characteristics and the physicochemical properties of the TiO2 NPs. However, a systematic comparison of the neurotoxic effects of TiO2 NPs with different characteristics under various exposure conditions is still lacking. Additionally, our understanding of the underlying neurotoxic mechanisms exerted by TiO2 NPs remains incomplete and fragmented. Given these knowledge gaps, it is imperative to further investigate the neurotoxic hazards and risks associated with exposure to TiO2 NPs.
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Affiliation(s)
- Xing Zhang
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Yuanyuan Song
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Hongyang Gong
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Chunyan Wu
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Binquan Wang
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Wenxuan Chen
- The Second Clinical Medical School, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Jiawei Hu
- The Second Clinical Medical School, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Hanhui Xiang
- The Second Clinical Medical School, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Ke Zhang
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
| | - Mingkuan Sun
- Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China
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Suthar JK, Rakesh B, Vaidya A, Ravindran S. Comprehensive Analysis of Titanium Oxide Nanoparticle Size and Surface Properties on Neuronal PC-12 Cells: Unraveling Cytotoxicity, Dopaminergic Gene Expression, and Acetylcholinesterase Inhibition. J Xenobiot 2023; 13:662-684. [PMID: 37987444 PMCID: PMC10660528 DOI: 10.3390/jox13040043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 09/30/2023] [Accepted: 10/05/2023] [Indexed: 11/22/2023] Open
Abstract
Titanium oxide nanoparticles can penetrate the blood-brain barrier, infiltrate the central nervous system, and induce neurotoxicity. One of the most often utilized nanoparticles has been investigated for their neurotoxicity in many studies. Nonetheless, there remains an unexplored aspect regarding the comparative analysis of particles varying in size and nanoparticles of identical dimensions, both with and devoid of surface coating. In the current study, we synthesized two differently sized nanoparticles, TiO2-10 (10 nm) and TiO2-22 (22 nm), and nanoparticles of the same size but with a polyvinylpyrrolidone surface coating (TiO2-PVP, 22 nm) and studied their toxic effects on neural PC-12 cells. The results highlighted significant dose- and time-dependent cytotoxicity at concentrations ≥10 μg/mL. The exposure of TiO2 nanoparticles significantly elevated reactive oxygen and nitrogen species levels, IL-6 and TNF-α levels, altered the mitochondrial membrane potential, and enhanced apoptosis-related caspase-3 activity, irrespective of size and surface coating. The interaction of the nanoparticles with acetylcholinesterase enzyme activity was also investigated, and the results revealed a dose-dependent suppression of enzymatic activity. However, the gene expression studies indicated no effect on the expression of all six genes associated with the dopaminergic system upon exposure to 10 μg/mL for any nanoparticle. The results demonstrated no significant difference between the outcomes of TiO2-10 and TiO2-22 NPs. However, the polyvinylpyrrolidone surface coating was able to attenuate the neurotoxic effects. These findings suggest that as the TiO2 nanoparticles get smaller (towards 0 nm), they might promote apoptosis and inflammatory reactions in neural cells via oxidative stress, irrespective of their size.
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Affiliation(s)
- Jitendra Kumar Suthar
- Symbiosis School of Biological Sciences, Faculty of Medical and Health Sciences, Symbiosis International (Deemed) University, Pune 412115, India;
| | - Balaji Rakesh
- Symbiosis Institute of Technology, Symbiosis International (Deemed) University, Pune 412115, India;
| | - Anuradha Vaidya
- Symbiosis Centre for Stem Cell Research, Symbiosis School of Biological Sciences, Symbiosis International (Deemed) University, Pune 412115, India;
| | - Selvan Ravindran
- Symbiosis School of Biological Sciences, Faculty of Medical and Health Sciences, Symbiosis International (Deemed) University, Pune 412115, India;
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7
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Kaur K, Narang RK, Singh S. Glabridin mitigates TiO 2NP induced cognitive deficit in adult zebrafish. Neurochem Int 2023; 169:105585. [PMID: 37499946 DOI: 10.1016/j.neuint.2023.105585] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 07/08/2023] [Accepted: 07/10/2023] [Indexed: 07/29/2023]
Abstract
Glabridin is extracted from the roots of Glycyrrhiza glabra, which has anti-oxidative and anti-inflammatory properties. We investigated the neuroprotective potential of Glabridin against the learning and memory deficit by triggering NRF2/HO-1 signaling in Titanium dioxide nanoparticles (TiO2NP) treated zebrafish. Our study suggests that Glabridin at doses of 12.5, 25, and 50 mg/kg/day for 7 days improved memory and lowered anxiety in the novel object recognition test, T-maze, and novel diving tank respectively. Biochemical analysis showed that Glabridin treatment in TiO2NP-exposed zebrafish enhanced GSH, CAT, SOD, and GPx activity and reduced MDA levels; inhibited proinflammatory mediators, namely, TNF-α, IL-1β, and IL-6. In histopathological evaluation, Glabridin significantly reduced pycnotic neurons in TiO2NP-treated zebrafish brains. Furthermore, Glabridin upregulated NRF2 and HO-1 levels, which leads to a decline in oxidative stress and neuroinflammation and were reversed by ML385 treatment. ML385 as a probe molecule that specifically inhibit NRF2 and prevents its downstream gene expression. Thus, these considerable outcomes provide new insights into the neuroprotective effect of glabridin.
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Affiliation(s)
- Karamjeet Kaur
- Department of Pharmacology, ISF College of Pharmacy (An Autonomous College), Moga, Punjab, 142001, India; Affiliated to IKG- Punjab Technical University, Jalandhar, Punjab, 144603, India
| | - R K Narang
- Nanomedicine Research Centre, Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab, 142001, India
| | - Shamsher Singh
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India.
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8
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Kamal Z, Said AH, Ebnalwaled AA, Rehan IF, Zigo F, Farkašová Z, Allam M. Genetic effects of chemically and biosynthesized titanium dioxide nanoparticles in vitro and in vivo of female rats and their fetuses. Front Vet Sci 2023; 10:1142305. [PMID: 37614463 PMCID: PMC10442826 DOI: 10.3389/fvets.2023.1142305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 07/13/2023] [Indexed: 08/25/2023] Open
Abstract
With the increase in nanoparticles (NPs) products on the market, the possibility of animal and human exposure to these materials will increase. The smaller size of NPs facilitates their entrance through placental barriers and allows them to accumulate in embryonic tissue, where they can then be a source of different developmental malformations. Several toxicity studies with chemically synthesized titanium dioxide NPs (CTiO2 NPs) have been recently carried out; although there is insufficient data on exposure to biosynthesized titanium dioxide NPs (BTiO2 NPs) during pregnancy, the study aimed to evaluate the ability of an eco-friendly biosynthesis technique using garlic extract against maternal and fetal genotoxicities, which could result from repeated exposure to TiO2 NPs during gestation days (GD) 6-19. A total of fifty pregnant rats were divided into five groups (n = 10) and gavaged CTiO2 NPs and BTiO2 NPs at 100 and 300 mg/kg/day concentrations. Pregnant rats on GD 20 were anesthetized, uterine horns were removed, and then embryotoxicity was performed. The kidneys of the mothers and fetuses in each group were collected and then maintained in a frozen condition. Our results showed that garlic extract can be used as a reducing agent for the formation of TiO2 NPs. Moreover, BTiO2 NPs showed less toxic potential than CTiO2 NPs in HepG2 cells. Both chemically and biosynthesized TiO2 NP-induced genetic variation in the 16S rRNA sequences of mother groups compared to the control group. In conclusion, the genetic effects of the 16S rRNA sequence induced by chemically synthesized TiO2 NPs were greater than those of biosynthesized TiO2 NPs. However, there were no differences between the control group and the embryo-treated groups with chemically and biologically synthesized TiO2 NPs.
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Affiliation(s)
- Zeinab Kamal
- Department of Zoology, Faculty of Science, South Valley University, Qena, Egypt
| | - Alaa H. Said
- Electronic and Nano Devises Lab, Faculty of Science, South Valley University, Qena, Egypt
| | - A. A. Ebnalwaled
- Electronic and Nano Devises Lab, Faculty of Science, South Valley University, Qena, Egypt
| | - Ibrahim F. Rehan
- Department of Husbandry and Development of Animal Wealth, Faculty of Veterinary Medicine, Menoufia University, Shebin Alkom, Egypt
- Department of Pathobiochemistry, Faculty of Pharmacy, Meijo University, Nagoya, Aichi, Japan
| | - František Zigo
- Department of Nutrition and Animal Husbandry, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Zuzana Farkašová
- Department of Nutrition and Animal Husbandry, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Mohammad Allam
- Department of Zoology, Faculty of Science, Luxor University, Luxor, Egypt
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9
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Via E, Contreras-Rodríguez O. Binge-Eating Precursors in Children and Adolescents: Neurodevelopment, and the Potential Contribution of Ultra-Processed Foods. Nutrients 2023; 15:2994. [PMID: 37447320 DOI: 10.3390/nu15132994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/12/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Binge-eating disorder (BED) is a highly prevalent disorder. Subthreshold BED conditions (sBED) are even more frequent in youth, but their significance regarding BED etiology and long-term prognosis is unclear. A better understanding of brain findings associated with BED and sBED, in the context of critical periods for neurodevelopment, is relevant to answer such questions. The present narrative review starts from the knowledge of the development of emotional self-regulation in youth, and the brain circuits supporting emotion-regulation and eating behaviour. Next, neuroimaging studies with sBED and BED samples will be reviewed, and their brain-circuitry overlap will be examined. Deficits in inhibition control systems are observed to precede, and hyperactivity of reward regions to characterize, sBED, with overlapping findings in BED. The imbalance between reward/inhibition systems, and the implication of interoception/homeostatic processing brain systems should be further examined. Recent knowledge of the potential impact that the high consumption of ultra-processed foods in paediatric samples may have on these sBED/BED-associated brain systems is then discussed. There is a need to identify, early on, those sBED individuals at risk of developing BED at neurodevelopmental stages when there is a great possibility of prevention. However, more neuroimaging studies with sBED/BED pediatric samples are needed.
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Affiliation(s)
- Esther Via
- Child and Adolescent Mental Health Research Group, Institut de Recerca Sant Joan de Déu, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
- Department of Child and Adolescent Mental Health, Hospital Sant Joan de Déu, Passeig Sant Joan de Déu, 2, 08950 Esplugues de Llobregat, Spain
| | - Oren Contreras-Rodríguez
- Medical Imaging, Girona Biomedical Research Institute (IdIBGi), Parc Hospitalari Martí i Julià-Edifici M2, Salt, 17190 Girona, Spain
- Health Institute Carlos III (ISCIII) and CIBERSAM, 28029 Madrid, Spain
- Department of Psychiatry and Legal Medicine, Faculty of Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
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Gerber LS, Heusinkveld HJ, Langendoen C, Stahlmecke B, Schins RPF, Westerink RHS. Acute, sub-chronic and chronic exposures to TiO2 and Ag nanoparticles differentially affects neuronal function in vitro. Neurotoxicology 2022; 93:311-323. [DOI: 10.1016/j.neuro.2022.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/07/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022]
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11
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Habibi P, Ostad SN, Monazzam MR, Foroushani AR, Ghazi-Khansari M, Aliebrahimi S, Montazeri V, Golbabaei F. Thermal stress and TiO 2 nanoparticle-induced oxidative DNA damage and apoptosis in mouse hippocampus. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:90128-90139. [PMID: 35864393 DOI: 10.1007/s11356-022-21796-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Titanium dioxide (nano-TiO2) is used abundantly in various industrial products and novel medical therapies. In addition, the impact of climate change on the health and safety will undoubtedly increase in the future. However, the effects of exposure to these nanoparticles and heat stress on hippocampal DNA damage and apoptosis remain unclear. This study was conducted to evaluate the DNA damage and apoptosis in the hippocampal tissue and the physiological responses in mice induced by intraperitoneal (i.p.) administration of TiO2 nanoparticles (NPs) and heat stress for 14 consecutive days. The results showed that heat stress and TiO2-NPs were induced in the mouse hippocampus that led to hippocampal reactive oxygen species generation, oxidative damage of DNA, and apoptosis in a partly dose-dependent manner, especially at very hot temperature. High doses of nanosized TiO2 and severe heat stress significantly damaged the function of the hippocampus, as shown in the comet assay and apoptosis tests. The results of this study may provide data for appropriate measures to control and assess the risk of nano-TiO2 and thermal stress hazards to human health, especially workers. Safety guidelines and policies should be considered when handling nanomaterials in a hot environment.
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Affiliation(s)
- Peymaneh Habibi
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Nasser Ostad
- Toxicology and Poisoning Research Centre, Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Monazzam
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Rahimi Foroushani
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Ghazi-Khansari
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Shima Aliebrahimi
- Department of Medical Education, Virtual University of Medical Sciences, Tehran, Iran
| | - Vahideh Montazeri
- Department of Clinical Pharmacy, Virtual University of Medical Sciences, Tehran, Iran
| | - Farideh Golbabaei
- Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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12
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Sobhani S, Tehrani AA, Sobhani G, Fatima S, Ulloa L, Motaghinejad M, Atif A. Melatonin Protects Against Titanium Oxide-Induced Neurotoxicity: Neurochemical, Neurobehavioral, and Histopathological Evidences. Biol Trace Elem Res 2022:10.1007/s12011-022-03464-4. [PMID: 36378265 DOI: 10.1007/s12011-022-03464-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022]
Abstract
titania (titanium dioxide, TiO2) is known to induce neurotoxicity and CNS dysfunctions. Numerous studies have explored the neuroprotective effects of melatonin against neurotoxicity. This study evaluates the potential of melatonin to protect against titania-induced neurotoxicity and the role of the Keap1/Nrf2/ARE signaling pathway. One group of animals were treated with Titania (0.045 and 0.075 g/rat) alone while the other with added melatonin (1 mg/kg and 3 mg/kg) and behavioral alterations were assessed using OFT (open field test). Neurochemical and histopathological changes were also studied in the hippocampus by analyzing kelch ECH associating protein 1 (Keap1), nuclear factor erythroid 2-related factor 2 (Nrf2), and antioxidant response element (ARE). It was seen that the animals with added Melatonin had improved behavioral scores in the OFT, like anxiety and motor dysfunction triggered by TiO2. Melatonin also reduced lipid peroxidation, ROS, GSSG, IL1β, TNFα, Bax, and Keap1 levels, but boosted GSH, GPx, GR, SOD,IL10,IL4, Bcl2, Nrf2, and ARE levels and improved quadruple mitochondrial enzyme complex activity in titania-treated animals. Histopathological examination showed melatonin induced cytoprotection against vacuolization and necrosis in granular cells of DG and pyramidal cells of CA1 area of the hippocampus. In our study, pretreatment with melatonin reduced titania-induced neurotoxicity in the hippocampus through a mechanism potentially mediated by the Keap-1/Nrf2/ARE pathway.
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Affiliation(s)
- Sarvenaz Sobhani
- Department of Pathobiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Ali-Asghar Tehrani
- Department of Pathobiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
| | - Golnar Sobhani
- Department of Pathobiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Sulail Fatima
- Department of Physiology, Jinnah Medical & Dental College, Sohail University, Karachi, Pakistan
| | - Luis Ulloa
- Center for Perioperative Organ Protection, Department of Anesthesiology, Duke University, Durham, NC, USA
| | - Majid Motaghinejad
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Masih Daneshvari Hospital, Darabad Avenue, Shahid Bahonar roundabout, Tehran, Iran.
| | - Alina Atif
- Department of Physiology, Jinnah Medical & Dental College, Sohail University, Karachi, Pakistan
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13
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Prenatal exposure to titanium dioxide nanoparticles induces persistent neurobehavioral impairments in maternal mice that is associated with microbiota-gut-brain axis. Food Chem Toxicol 2022; 169:113402. [PMID: 36108982 DOI: 10.1016/j.fct.2022.113402] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 07/25/2022] [Accepted: 08/29/2022] [Indexed: 11/22/2022]
Abstract
Gestational exposure to titanium dioxide nanoparticles (TiO2NPs) has been widely reported to have deleterious effects on the brain functions of offspring. However, little attention has been paid to the neurotoxic effects of TiO2NPs on maternal body after parturition. The pregnant mice were orally administrated with TiO2NPs at 150 mg/kg from gestational day 8-21. The potential effects of TiO2NPs on the neurobehaviors were evaluated at postnatal day 60. The gut microbiota, morphological alterations of intestine and brain, and other indicators that involved in gut-brain axis were all assessed to investigate the underlying mechanisms. The results demonstrated that exposure to TiO2NPs during pregnancy caused the persistent neurobehavioral impairments of maternal mice after delivery for 60 days, mainly including behavioural changes, pathological changes in hippocampus, cortex and intestine. Our data also showed that persistent dysfunction and tissue injuries were probably associated with the disruption of gut-brain axis, manifested by the shift in the composition of gut microbial community, alteration of Sstr1, inhibition of enteric neurons and reduction of diamine oxidase contents in maternal mice. These findings provide a novel insight that regulation of gut microecology may be an alternative strategy for the protection against the neurotoxicity of TiO2NPs in pregnant women.
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Yang Y, Zhao Y, Wang Q, Liu M, Chang H, Li L, Meng X, Deng Y, Ling C, Wang K, Song G, Sui X. Effects of Nano-titanium Dioxide on Calcium Homeostasis in Vivo and in Vitro: a Systematic Review and Meta-analysis. Toxicol Mech Methods 2022; 33:249-259. [PMID: 36097686 DOI: 10.1080/15376516.2022.2124137] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
With the extensive application of titanium dioxide nanoparticles (TiO2 NPs), their impacts on calcium homeostasis have aroused extensive attention from scholars. However, there are still some controversies in relevant reports. Therefore, a systematic review was performed followed by a meta-analysis to explore whether TiO2 NPs could induce the imbalance in calcium homeostasis in vivo and in vitro through Revman5.4 and Stata15.0 in this research. 14 studies were included through detailed database retrieval and literature screening. Results indicated that the calcium levels were significantly increased and the activity of Ca2+-ATPase was significantly decreased by TiO2 NPs in vivo and in vitro. Subgroup analysis of the studies in vivo showed that TiO2 NPs exposure caused a significant increase in calcium levels in rats, exposure to large-sized TiO2 NPs (> 10 nm) and long-term (> 30 d) exposure could significantly increase calcium levels, and the activity of Ca2+-ATPase showed a concentration-dependent downward trend. Subgroup analysis of the studies in vitro revealed that intracellular calcium levels increased significantly in animal cells, exposure to small-sized TiO2 NPs (≤ 10 nm) and high concentration (> 10 μg/mL) exposure could induce a significant increase in Ca2+ concentration, and the activity of Ca2+-ATPase also showed a concentration-dependent downward trend. This research showed that the physicochemical properties of TiO2 NPs and the experimental scheme could affect calcium homeostasis.
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Affiliation(s)
- Yaqian Yang
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Yiman Zhao
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Qianqian Wang
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Mi Liu
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Hongmei Chang
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Li Li
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Xiaojia Meng
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Yaxin Deng
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Chunmei Ling
- The Third People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830091, China
| | - Kui Wang
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Guanling Song
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
| | - Xin Sui
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, Xinjiang, 832002, China
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15
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Contreras-Rodriguez O, Solanas M, Escorihuela RM. Dissecting ultra-processed foods and drinks: Do they have a potential to impact the brain? Rev Endocr Metab Disord 2022; 23:697-717. [PMID: 35107734 DOI: 10.1007/s11154-022-09711-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/19/2022] [Indexed: 12/12/2022]
Abstract
Ultra-processed foods and drinks (UPF) are formulation of ingredients, mostly of exclusive industrial use, that result from a series of industrial processes. They usually have a low nutrient but high energy density, with a high content of saturated and trans fats, and added sugars. In addition, they have characteristic organoleptic properties, and usually contain sophisticated additives, including artificial sweeteners, to intensify their sensory qualities and imitate the appearance of minimally processed foods. In addition, recent research has warned about the presence of chemicals (e.g., bisphenol) and neo-formed contaminants in these products. UPF production and consumption growth have been spectacular in the last decades, being specially consumed in children and adolescents. UPF features have been associated with a range of adverse health effects such as overeating, the promotion of inflammatory and oxidative stress processes, gut dysbiosis, and metabolic dysfunction including problems in glucose regulation. The evidence that these UPF-related adverse health effects may have on the neural network implicated in eating behavior are discussed, including the potential impact on serotonergic and dopaminergic neurotransmission, brain integrity and function. We end this review by placing UPF in the context of current food environments, by suggesting that an increased exposure to these products through different channels, such as marketing, may contribute to the automatic recruitment of the brain regions associated with food consumption and choice, with a detrimental effect on inhibitory-related prefrontal cortices. While further research is essential, preliminary evidence point to UPF consumption as a potential detrimental factor for brain health and eating behavior.
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Affiliation(s)
- Oren Contreras-Rodriguez
- Department of Medical Imaging, Girona Biomedical Research Institute (IdIBGi), Josep Trueta University Hospital, Girona, Spain.
- Department of Psychiatry and Legal Medicine, Faculty of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain.
- Health Institute Carlos III (ISCIII) and CIBERSAM G17, Madrid, Spain.
| | - Montserrat Solanas
- Physiology Unit, Department of Cell Biology, Physiology and Immunology, Faculty of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Institut de Neurociències, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Rosa M Escorihuela
- Department of Psychiatry and Legal Medicine, Faculty of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Institut de Neurociències, Universitat Autònoma de Barcelona, Bellaterra, Spain
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16
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Cornu R, Béduneau A, Martin H. Ingestion of titanium dioxide nanoparticles: a definite health risk for consumers and their progeny. Arch Toxicol 2022; 96:2655-2686. [PMID: 35895099 DOI: 10.1007/s00204-022-03334-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/05/2022] [Indexed: 01/13/2023]
Abstract
Titanium dioxide (TiO2) is one of the most commonly used nanomaterials in the world. Additive E171, which is used in the food industry, contains a nanometric particle fraction of TiO2. Oral exposure of humans to these nanoparticles (NPs) is intensive, leading to the question of their impact on health. Daily oral intake by rats of amounts of E171 that are relevant to human intake has been associated with an increased risk of chronic intestinal inflammation and carcinogenesis. Due to their food preferences, children are very exposed to this NP. Furthermore, maternal-foetal transfer of TiO2 NPs during pregnancy, as well as exposure of the offspring by breastfeeding, have been recently described. In France, the use of E171 in the production of foodstuffs was suspended in January 2020 as a precautionary measure. To provide some answers to this public health problem and help global regulatory agencies finalize their decisions, we reviewed in vitro and in vivo studies that address the effects of TiO2 NPs through oral exposure, especially their effects on the gastrointestinal tract, one of the most exposed tissues. Our review also highlights the effects of exposure on the offspring during pregnancy and by breastfeeding.
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Affiliation(s)
- Raphaël Cornu
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Arnaud Béduneau
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Hélène Martin
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France.
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17
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Hadei M, Rabbani S, Nabizadeh R, Mahvi AH, Mesdaghinia A, Naddafi K. Comparison of the Toxic Effects of Pristine and Photocatalytically Used TiO 2 Nanoparticles in Mice. Biol Trace Elem Res 2022; 200:2298-2311. [PMID: 34309800 DOI: 10.1007/s12011-021-02846-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 07/17/2021] [Indexed: 01/13/2023]
Abstract
TiO2 nanoparticles used in the photocatalytic degradation of pollutants in water treatment processes undergo physiochemical changes; therefore, their toxicological effects may be potentially different from those of the pristine nanoparticles. This study compared the toxic effects of exposure to pristine and photocatalytically used TiO2 nanoparticles in mice. To obtain used TiO2, the nanoparticles were used for photocatalytic degradation of a model pollutant under UV irradiation several times. Two groups of mice were exposed to pristine (PT group) and photocatalytically used TiO2 (UT group) at three different concentrations (5-20 mg/m3) using whole-body exposure chambers (2 h/day, 5 days/weeks, 4 weeks). Exposure to both pristine and used TiO2 increased the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphate (ALP), lactate dehydrogenase (LDH), C-reactive protein (CRP), and creatine kinase (CK-MB) significantly. Both exposed groups showed higher levels of WBC, lymphocytes, platelets, hematocrits, hemoglobin, and mean corpuscular volume (MCV) and lower levels of RBC and mean corpuscular hemoglobin concentration (MCHC) in a concentration-dependent manner. In all analyses, there were small non-significant differences between the PT and UT groups. More pathological changes were observed in the lung, kidney, and brain of the UT group, while the PT group showed more pathological effects in the liver and heart. The histological observations indicated that damage was mostly in the form of vascular endothelial injury. These two types of TiO2 may activate different pathways to promote adverse effects. Further studies are required to evaluate and distinguish the mechanisms through which pristine and used TiO2 induce toxicity.
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Affiliation(s)
- Mostafa Hadei
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahram Rabbani
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Nabizadeh
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Hossein Mahvi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Solid Waste Research (CSWR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Mesdaghinia
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Kazem Naddafi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
- Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran.
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18
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Halawa A, Elshopakey G, El-Adl M, Lashen S, Shalaby N, Eldomany E, Farghali A, Rezk S. Chitosan attenuated the neurotoxicity-induced titanium dioxide nanoparticles in brain of adult rats. ENVIRONMENTAL TOXICOLOGY 2022; 37:612-626. [PMID: 34874108 DOI: 10.1002/tox.23429] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/23/2021] [Accepted: 11/27/2021] [Indexed: 05/28/2023]
Abstract
In the current study, we aimed to investigate the neurotoxic effect of oral titanium dioxide nanoparticles (TiO2 NPs) as well as the possible neuroprotective effect of carboxymethyl chitosan in adult rats for 14 days. The results revealed that TiO2 NPs inhibited the activity of the acetylcholine esterase enzyme and the levels of serotonin, dopamine, and norepinephrine neurotransmitters. Additionally, it induced neuro-oxidative stress and neuroinflammation via an elevation in MDA levels and IL-6, while GSH concentration, as well as GPx and GST activities, were decreased. TiO2 NPs induced neuronal apoptosis through upregulation of the expression of caspase-8 and -9 that was further confirmed by increasing caspases-3 and -8 proteins in the hippocampus, cerebral cortex, and cerebellum. The expression of the immediate-early gene BDNF was increased in response to TiO2 NPs, while that of Arc was reduced. Chitosan significantly attenuated the TiO2 NPs-induced neurotoxicity regarding AChE, serotonin, MDA, GSH, GPx, GST, IL-6, caspases-8, -9, and -3. Chitosan inhibited the expression of Arc and alleviated the effect of TiO2 NPs on BDNF expression. Collectively, TiO2 NPs induced neurotoxicity via their action on vital neuronal biomarkers that might in turn cause brain dysfunction. Despite the neuroprotection of chitosan, its inhibitory effect on Arc expression should be considered.
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Affiliation(s)
- Amal Halawa
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Gehad Elshopakey
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Mohamed El-Adl
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Samah Lashen
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Nancy Shalaby
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Damietta University, Damietta, Egypt
| | - Ehab Eldomany
- Department of Biotechnology and life sciences, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt
| | - Ahmed Farghali
- Department of Material Science and Nanotechnology, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt
| | - Shaymaa Rezk
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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Yu Y, Sintim HY, Astner AF, Hayes DG, Bary A, Zelenyuk A, Qafoku O, Kovarik L, Flury M. Enhanced Transport of TiO 2 in Unsaturated Sand and Soil after Release from Biodegradable Plastic during Composting. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:2398-2406. [PMID: 35119274 DOI: 10.1021/acs.est.1c07169] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Biodegradable plastics can reach full degradation when disposed of appropriately and thus alleviate plastic pollution caused by conventional plastics. However, additives can be released into the environment during degradation and the fate of these additives can be affected by the degradation process. Here, we characterized TiO2 particles released from a biodegradable plastic mulch during composting and studied the transport of the mulch-released TiO2 particles in inert sand and agricultural soil columns under unsaturated flow conditions. TiO2 particles (238 nm major axis and 154 nm minor axis) were released from the biodegradable plastic mulch in both single-particle and cluster forms. The mulch-released TiO2 particles were fully retained in unsaturated soil columns due to attachment onto the solid-water interface and straining. However, in unsaturated sand columns, the mulch-released TiO2 particles were highly mobile. A comparison with the pristine TiO2 revealed that the mobility of the mulch-released TiO2 particles was enhanced by humic acid present in the compost residues, which blocked attachment sites and imposed steric repulsion. This study demonstrates that TiO2 particles can be released during composting of biodegradable plastics and the transport potential of the plastic-released TiO2 particles in the terrestrial environment can be enhanced by compost residues.
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Affiliation(s)
- Yingxue Yu
- Department of Crop & Soil Sciences, Puyallup Research & Extension Center, Washington State University, Puyallup, Washington 98371, United States
- Department of Crop & Soil Sciences, Washington State University, Pullman, Washington 99164, United States
| | - Henry Y Sintim
- Department of Crop & Soil Sciences, University of Georgia, Tifton, Georgia 31793, United States
| | - Anton F Astner
- Department of Biosystems Engineering and Soil Science, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Douglas G Hayes
- Department of Biosystems Engineering and Soil Science, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Andrew Bary
- Department of Crop & Soil Sciences, Puyallup Research & Extension Center, Washington State University, Puyallup, Washington 98371, United States
- Department of Crop & Soil Sciences, Washington State University, Pullman, Washington 99164, United States
| | - Alla Zelenyuk
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Odeta Qafoku
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Libor Kovarik
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Markus Flury
- Department of Crop & Soil Sciences, Puyallup Research & Extension Center, Washington State University, Puyallup, Washington 98371, United States
- Department of Crop & Soil Sciences, Washington State University, Pullman, Washington 99164, United States
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20
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Huang W, Tao Y, Zhang X, Zhang X. TGF-β1/SMADs signaling involved in alleviating inflammation induced by nanoparticulate titanium dioxide in BV2 cells. Toxicol In Vitro 2022; 80:105303. [PMID: 34990773 DOI: 10.1016/j.tiv.2021.105303] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 10/19/2022]
Abstract
There are increasing safety concerns accompanying the widespread use of nanoparticulate titanium dioxide (nano-TiO2). It has been demonstrated that nano-TiO2 can cross the blood-brain barrier and enter the brain, causing damage to the nervous system, consisting mainly of neuroinflammation and neuronal apoptosis. Several studies have linked the TGF-β1/SMADs signaling to the development of inflammatory response in various organs. However, no studies have connected the induction of microglial inflammation by nano-TiO2 to this signaling. Therefore, this study aimed to investigate the role of TGF-β1/SMADs signaling in microglia inflammatory response induced by nano-TiO2. The results showed that nano-TiO2 increased the secretions of pro-inflammatory cytokines (IL-1α, IL-6, and TNF-α) and decreased the expressions of TGF-β1 and SMAD1/2/3 proteins in BV2 cells. When TGF-β1/SMADs signaling was inhibited, the inflammatory effect induced by nano-TiO2 increased, suggesting a suppressive effect of this signaling on the inflammation. In addition, exogenous TGF-β1 upregulated the expressions of TGF-β1 and SMADs1/2/3 proteins as well as decreased the secretions of pro-inflammatory cytokines (IL-1α, IL-6, and TNF-α) compared to BV2 cells treated with only nano-TiO2. Our results suggest that nano-TiO2 may inhibit the TGF-β1/SMADs signaling by suppressing the intracellular secretion of active TGF-β1, leading to microglial activation and the induction or exacerbation of inflammatory responses.
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Affiliation(s)
- Wendi Huang
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yifan Tao
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China
| | - Xiuwen Zhang
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China
| | - Xiaoqiang Zhang
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China.
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21
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Gaharwar US, Pardhiya S, Rajamani P. A Perspective on Reproductive Toxicity of Metallic Nanomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1391:97-117. [PMID: 36472819 DOI: 10.1007/978-3-031-12966-7_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nanotechnological tools have been greatly exploited in all possible fields. However, advancement of nanotechnology has raised concern about their adverse effects on human and environment. These deleterious effects cannot be ignored and need to be explored due to safety purpose. Several recent studies have demonstrated possible health hazard of nanoparticles on organism. Moreover, studies showed that toxicity of metallic nanomaterial could also lead to reproductive toxicity. Various deleterious effects have demonstrated decreased sperm motility, increased abnormal spermatozoa, altered sperm count, and altered sperm morphology. Morphological and ultrastructural changes also have been reported due to the accumulation of these nanomaterials in reproductive organs. Nonetheless, studies also suggest crossing of metallic nanoparticles through blood testes barrier and generation of oxidative stress which plays major role in reproductive toxicity. In the present study, we have incorporated updated information by gathering all available literature about various metallic nanomaterials and risk related to reproductive system.
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Affiliation(s)
- Usha Singh Gaharwar
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Sonali Pardhiya
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Paulraj Rajamani
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India.
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22
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Naima R, Imen M, Mustapha J, Hafedh A, Kamel K, Mohsen S, Salem A. Acute titanium dioxide nanoparticles exposure impaired spatial cognitive performance through neurotoxic and oxidative mechanisms in Wistar rats. Biomarkers 2021; 26:760-769. [PMID: 34704879 DOI: 10.1080/1354750x.2021.1999501] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 10/23/2021] [Indexed: 12/15/2022]
Abstract
CONTEXT Titanium dioxide nanoparticles (TiO2-NPs) are used in many commercial products. However, their effects on human and animal organism remained to be clarified. OBJECTIVE The present study aimed to investigate the effects of TiO2-NPs on the behavioural performance, monoamine neurotransmitters and oxidative stress in the rat brain. MATERIAL AND METHODS Rats were injected intravenously with a single dose of TiO2-NPs (20 mg/kg body weight) and were subjected to cognitive and emotional tests using Morris water maze and elevated plus maze. RESULTS Cognitive capacity as well as the emotional reactivity were significantly disrupted, in TiO2-NPs-administered rats compared to control group. These behavioural effects were correlated with changes in brain neurotransmitter contents reflected by a significant increase in dopamine and a decrease in serotonin levels. TiO2-NPs also induced oxidative stress in the brain manifested by increased levels of H2O2 and malondialdehyde, associated with antioxidant enzymes activities disturbance, in particular, superoxide dismutase and catalase activities. Moreover, TiO2-NPs administration caused histological damages in the brain tissue with abundant lymphocytic clusters, capillary dilations, vascular congestion and oedema. CONCLUSIONS Acute intravenous injection of TiO2-NPs impaired behaviour performances through brain biochemical and structural changes and precautions should be taken to their usage in food additive and medical applications.
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Affiliation(s)
- Rihane Naima
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
| | - Mrad Imen
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
| | - Jeljeli Mustapha
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
- Human Sciences Institute, University El Manar, Tunis, Tunisia
| | - Abdelmalek Hafedh
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
| | - Kacem Kamel
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
| | - Sakly Mohsen
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
| | - Amara Salem
- Laboratory of Integrated Physiology, Faculty of Sciences, University of Carthage, Bizerta, Tunisia
- Department of Natural and Applied Sciences, Faculty of Sciences and Humanities, Shaqra University, Afif, Saudi Arabia
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23
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Shahiduzzaman M, Chen B, Akhtaruzzaman M, Wang L, Fukuhara H, Tomita K, Iwamori S, Nunzi JM, Taima T, Umezu S. Paste Aging Spontaneously Tunes TiO 2 Nanoparticles into Reproducible Electrosprayed Photoelectrodes. ACS APPLIED MATERIALS & INTERFACES 2021; 13:53758-53766. [PMID: 34735118 DOI: 10.1021/acsami.1c13793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this study, the spontaneous microstructure tuning of TiO2 was observed by aging the ethanol/water TiO2 paste for up to 20 days at ambient conditions. A dynamic light scattering study reveals that it formed the outstanding reproducible TiO2 microstructure with a ∼200 nm average particle size and stabilizes in 6 to 20 days under an ambient atmosphere. Interestingly, the as-deposited day 15 sample spontaneously changed its crystallinity upon keeping the paste at ambient conditions; meanwhile the day 0 sample showed an amorphous structure. A dense, uniform, and stable TiO2 electrode was cast on a fluorine doped-tin oxide substrate using the electrospray technique. We exploit the spontaneous evolution of the TiO2 nanopowder to revisit the fabrication procedure of the TiO2 photoelectrode for dye-sensitized solar cells (DSSCs). The controlled microstructure TiO2 film was used in DSSCs, which, to the best of our knowledge, achieved the highest power conversion efficiency of 9.65% using N719 dye in sensitizing the TiO2 photoanode.
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Affiliation(s)
- Md Shahiduzzaman
- Nanomaterials Research Institute (NanoMaRi), Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
- Research Institute of Science and Technology (RIST), Tokai University, Kitakaname, Hiratsuka 259-1292, Japan
| | - Boyang Chen
- Department of Modern Mechanical Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 269-8555, Japan
| | - Md Akhtaruzzaman
- Solar Energy Research Institute, The National University of Malaysia, Bangi, Selangor 43600, Malaysia
| | - LiangLe Wang
- Graduate School of Frontier Science Initiative, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Hiroki Fukuhara
- Department of Modern Mechanical Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 269-8555, Japan
| | - Koji Tomita
- Department of Chemistry, School of Science, Tokai University, Kitakaname, Hiratsuka 259-1292, Japan
| | - Satoru Iwamori
- Research Institute of Science and Technology (RIST), Tokai University, Kitakaname, Hiratsuka 259-1292, Japan
| | - Jean-Michel Nunzi
- Nanomaterials Research Institute (NanoMaRi), Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston K7L-3N6 ON, Canada
| | - Tetsuya Taima
- Nanomaterials Research Institute (NanoMaRi), Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
- Graduate School of Frontier Science Initiative, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Shinjiro Umezu
- Department of Modern Mechanical Engineering, Waseda University, 3-4-1 Ookubo, Shinjuku-ku, Tokyo 269-8555, Japan
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Duan SM, Zhang YL, Gao YJ, Lyu LZ, Wang Y. The Influence of Long-Term Dietary Intake of Titanium Dioxide Particles on Elemental Homeostasis and Tissue Structure of Mouse Organs. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:5014-5025. [PMID: 33875086 DOI: 10.1166/jnn.2021.19351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Background: Titanium dioxide (TiO₂), consisting of nanoparticles and sub-microparticles, were widely used as food additive and consumed by people every day, which has aroused a public safety concern. Some studies showed TiO₂ can be absorbed by intestine and then distributed to different tissues after oral intake, which is supposed to affect the content of various elements in the body whereas led to tissue damage. However, knowledge gaps still exist in the impact of TiO₂ on the disorder of elemental homeostasis. Thus, this study aimed to explore the oral toxicity of TiO₂ by assessing its influence on elemental homeostasis and tissues injury. Method: ICR mice were fed with normal feed, TiO₂ nanoparticles (NPs)-mixed feed or TiO₂ submicron particles (MPs)-mixed feed (1% mass fraction TiO₂ NPs or MPs were mixed in commercial pellet diet) for 1, 3, and 6 months. Particles used in this study were characterized. The distribution of Ti and other 23 elements, the correlation among elements, and pathological change in the liver, kidney, spleen and blood cells of the mice was determined. Result: Ti accumulation only appeared in blood cells of mice treated with TiO₂ MPs-mixed feed for 6 months, but TiO₂ cause 12 kinds of elements (boron, vanadium, iron, cobalt, copper, zinc, selenium, sodium, calcium, magnesium, silicon, phosphorus) content changed in organ tissue. The changed kinds of elements in blood cells (6 elements), liver (7 elements) or kidney (6 elements) were more than in the spleen (1 element). The TiO₂ NPs induced more elements changed in blood cells and liver, and the TiO₂ MPs induced more elements changed in kidney. Significantly positive correlation between Ti and other elements was found in different organs except the liver. Organ injuries caused by TiO₂ NPs were severer than TiO₂ MPs. Liver exhibited obvious pathological damage which became more serious with the increase of exposure time, while kidney and spleen had slight damages. Conclusion: These results indicated long-time dietary intake of TiO₂ particles could induce element imbalance and organ injury. The liver displayed more serious change than other organs, especially under the treatment with TiO₂ NPs. Further research on the oral toxicity of TiO₂ NPs should pay more attention to the health effects of element imbalances using realistic exposure methods.
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Affiliation(s)
- Shu-Min Duan
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100191, China
| | - Yong-Liang Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100191, China
| | - Yan-Jun Gao
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100191, China
| | - Li-Zhi Lyu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100191, China
| | - Yun Wang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100191, China
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Sugeçti S, Tunçsoy B, Büyükgüzel E, Özalp P, Büyükgüzel K. Ecotoxicological effects of dietary titanium dioxide nanoparticles on metabolic and biochemical parameters of model organism Galleria mellonella (Lepidoptera: Pyralidae). JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2021; 39:423-434. [PMID: 35895947 DOI: 10.1080/26896583.2021.1969846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Nanoparticles (NPs) are now being used in many industrial activities, such as mining, paint and glass industries. The frequent industrial use of NPs contributes to environmental pollution and may cause cellular and oxidative damage in native organisms. In this study, the toxic effects of titanium dioxide nanoparticles (TiO2 NPs) were investigated using Galleria mellonella larvae as a model insect species. Alterations in cell damage indicators, such as alanine transferase, aspartate transferase, lactate dehydrogenase, non-enzymatic antioxidants and biochemical parameters, were determined in the hemolymph of G. mellonella larvae exposed to TiO2 NPs at different concentrations (5, 50, 250 and 1250 μg/mL) in their diets. TiO2 NPs caused concentration-dependent cellular damage in the hemolymph of G. mellonella larvae and increased the levels of the non-enzymatic antioxidants uric acid and bilirubin. In addition, total protein in hemolymph significantly decreased at the highest concentration (1250 μg/mL) of TiO2 NPs. Level of the urea increased at the highest concentration (1250 μg/mL) of TiO2 NPs, whereas the amount of glucose was not affected. These findings demonstrated that TiO2 NPs caused concentration-dependent toxic effects on G. mellonella larvae.
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Affiliation(s)
- Serkan Sugeçti
- Department of Veterinary Medicine, Çaycuma Food and Agriculture Vocational School, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Benay Tunçsoy
- Faculty of Engineering, Department of Bioengineering, Adana Alparslan Turkeş Science and Technology University, Adana, Turkey
| | - Ender Büyükgüzel
- Science and Art Faculty, Department of Molecular Biology and Genetics, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Pınar Özalp
- Science and Art Faculty Department of Biology, Çukurova University, Adana, Turkey
| | - Kemal Büyükgüzel
- Science and Art Faculty, Department of Biology, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
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26
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Yang N, Yang J, Liu Y, Fan H, Ji L, Wu T, Jia D, Ye Q, Wu G. Impaired learning and memory in mice induced by nano neodymium oxide and possible mechanisms. ENVIRONMENTAL TOXICOLOGY 2021; 36:1514-1520. [PMID: 33938091 DOI: 10.1002/tox.23148] [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: 11/24/2019] [Revised: 03/19/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
A growing number of individuals are now exposed to neodymium (Nd) owing to its extensive applications. However, the biological effects of Nd on humans, especially on learning and memory, remain elusive. To investigate whether Nd exposure affects learning and memory, in this study female ICR mice were exposed to nano Nd2 O3 via intranasal instillation at doses of 50, 100, and 150 mg/kg body weight, daily for 45 days. According to Morris water maze data, learning and memory parameters were significantly reduced in the 150 mg/kg nano-Nd2 O3 group than the sham control. Furthermore, inductively coupled plasma-mass spectroscopy analysis revealed that Nd levels were significantly higher in the hippo campus of the 100 and 150 mg/kg exposed group than the sham control; however, no significant differences were observed in the hippocampal histopathology between these groups. Furthermore, reactive oxygen species were elevated in hippocampal tissues of experimental groups than the sham control, 447.3 in high dose group and 360.0 in control group; however, malondialdehyde levels were significantly increased and superoxide dismutase activities were decreased only in mice exposed to 100 and 150 mg/kg Nd2 O3 . High-performance liquid chromatography data demonstrated that levels of glutamic acid, glycine, and gamma-aminobutyric acid were higher in the hippocampus of mice exposed to 150 mg/kg Nd2 O3 than the sham control. Our findings indicated that the neuronal injury was induced by disruption of the oxidation-antioxidation homeostasis and altered amino acid neurotransmitter levels in the hippocampus, which could result in the poor cognitive performance demonstrated by exposed mice.
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Affiliation(s)
- Ning Yang
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
- Department of Nephrology, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Jing Yang
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Yang Liu
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Hongxing Fan
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Le Ji
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Tao Wu
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
- Department of Nephrology, The First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Dantong Jia
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Qianru Ye
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Gang Wu
- Department of Preclinical Medicine and Forensic, Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
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27
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Shelly S, Liraz Zaltsman S, Ben-Gal O, Dayan A, Ganmore I, Shemesh C, Atrakchi D, Garra S, Ravid O, Rand D, Israelov H, Alon T, Lichtenstein G, Sharabi S, Last D, Gosselet F, Rosen V, Burstein G, Friedlander A, Harel R, Vogel G, Schnaider Beeri M, Mardor Y, Lampl Y, Fleminger G, Cooper I. Potential neurotoxicity of titanium implants: Prospective, in-vivo and in-vitro study. Biomaterials 2021; 276:121039. [PMID: 34352627 DOI: 10.1016/j.biomaterials.2021.121039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/14/2021] [Accepted: 07/21/2021] [Indexed: 02/08/2023]
Abstract
Titanium dioxide (TiO2) is a frequently used biomaterial, particularly in orthopedic and dental implants, and it is considered an inert and benign compound. This has resulted in toxicological scrutiny for TiO2 in the past decade, with numerus studies showing potential pathologic downstream effects. Herein we describe case report of a 77-year-old male with subacute CNS dysfunction, secondary to breakdown of a titanium-based carotid stent and leading to blood levels 1000 times higher (3 ppm) than the reported normal. We prospectively collected tissues adjacent to orthopedic implants and found a positive correlation between titanium concentration and time of implant in the body (r = 0.67, p < 0.02). Rats bearing titanium implants or intravascularly treated with TiO2 nanoparticles (TiNP) exhibited memory impairments. A human blood-brain barrier (BBB) in-vitro model exposed to TiNP showed paracellular leakiness, which was corroborated in-vivo with the decrease of key BBB transcripts in isolated blood vessels from hippocampi harvested from TiNP-treated mice. Titanium particles rapidly internalized into brain-like endothelial cells via caveolae-mediated endocytosis and macropinocytosis and induced pro-inflammatory reaction with increased expression of pro-inflammatory genes and proteins. Immune reaction was mediated partially by IL-1R and IL-6. In summary, we show that high levels of titanium accumulate in humans adjacent to orthopedic implants, and our in-vivo and in-vitro studies suggest it may be neurotoxic.
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Affiliation(s)
- Shahar Shelly
- Department of Neurology, College of Medicine, Mayo Clinic Rochester, Minnesota, USA
| | - Sigal Liraz Zaltsman
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel; Department of Pharmacology, The Institute for Drug Research, The Hebrew University of Jerusalem, Jerusalem, Israel; Institute for Health and Medical Professions, Department of Sports Therapy, Ono Academic College, Kiryat Ono, Israel
| | - Ofir Ben-Gal
- Department of Orthopedic, Sheba Medical Center, Tel Hashomer, 52621, Israel
| | - Avraham Dayan
- The Shmunis School of Biomedicine and Cancer Research, The George Wise Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel
| | - Ithamar Ganmore
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Department of Neurology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Chen Shemesh
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel
| | - Dana Atrakchi
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel
| | - Sharif Garra
- Department of Orthopedic, Sheba Medical Center, Tel Hashomer, 52621, Israel
| | - Orly Ravid
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel
| | - Daniel Rand
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Hila Israelov
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel
| | - Tayir Alon
- Neurology Department, Rabin Medical Center - Beilinson Hospital, Petach Tikva, 4941492, Israel
| | | | - Shirley Sharabi
- The Advanced Technology Center, Sheba Medical Center, Ramat-Gan, 52621, Israel
| | - David Last
- The Advanced Technology Center, Sheba Medical Center, Ramat-Gan, 52621, Israel
| | - Fabien Gosselet
- Univ. Artois, UR 2465, Blood-brain Barrier Laboratory (LBHE), F-62300 Lens, France
| | - Vasiliy Rosen
- The ICP Unit, The Core Facility of the Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, 7610001, Israel
| | | | - Alon Friedlander
- Spine Surgery Division, Department of Orthopedics, Sheba Medical Center, Israel
| | - Ran Harel
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Spine Surgery Division, Department of Neurosurgery, Sheba Medical Center, Israel
| | - Guy Vogel
- Department of Orthopedic, Sheba Medical Center, Tel Hashomer, 52621, Israel
| | - Michal Schnaider Beeri
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel; School of Psychology, Interdisciplinary Center (IDC), Herzliya, Israel; Department of Psychiatry, The Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Yael Mardor
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; The Advanced Technology Center, Sheba Medical Center, Ramat-Gan, 52621, Israel
| | - Yair Lampl
- Department of Neurology, Wolfson Medical Center, Holon, Israel
| | - Gideon Fleminger
- The Shmunis School of Biomedicine and Cancer Research, The George Wise Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel
| | - Itzik Cooper
- The Joseph Sagol Neuroscience Center, Sheba Medical Center, Israel; School of Psychology, Interdisciplinary Center (IDC), Herzliya, Israel; The Nehemia Rubin Excellence in Biomedical Research - The TELEM Program, Sheba Medical Center, Tel-Hashomer, Israel.
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28
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Jang SY, Park MK, Im JM, Park HS, Seo HS, Park HJ, Nah SS. In vitro acute inhalation toxicity for TiO2 (GST) using 3D human tissue model (EpiAirwayTM). Environ Anal Health Toxicol 2021; 36:e2021015-0. [PMID: 34353005 PMCID: PMC8598406 DOI: 10.5620/eaht.2021015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 07/09/2021] [Indexed: 12/02/2022] Open
Abstract
The present study was performed to screen in vitro potential acute inhalation toxicity using an EpiAirway™ tissue model (human tracheal/bronchial tissue) for the nano-sized titanium dioxide, GST manufactured as a photocatalyst through of sludge recycling and to compare with P-25 a commercialized photocatalytic material. According to the protocol provided by in vitro tissue manufacturer, the GST was exposure to the tissue for 3 hours in 450, 500, 650, 850 mg/mL concentration after preliminary dose range finding study and then tissue viability (%, IC75) was calculated using the MTT assay. Besides, the histopathological observation was performed to compare to the MTT assay. As a result of study, IC75 could not be confirmed at 850 mg/mL in both GST and P-25 and the grade was confirmed to be IC75> 600 mg/mL in vitro model tissue category. Therefore, it was considered that the GHS category could be classified as ‘No classification’ in screening method for potential acute inhalation toxicity. Also, not the morphological effects of epithelial cells in tissue model were observed compared with the vehicle control and histological findings were similar to the results of MTT Viability assay. Based on these results, the potential acute inhalation toxicity for GST produced through sludge recycling using in vitro tissue model inhalation toxicity showed that it could be non-hazardous substance. However, further study (in vivo study, etc.) is thought to be needed to ascertain whether GST is a toxic effect or safe.
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Affiliation(s)
- Seong Yong Jang
- Healthcare Research Institute, Korea Testing and Research Institute (KTR), 12-63, Sandan-gil, Hwasun-eup, Hwasun-gun, Jeollanam-do, 58141, Republic of Korea
| | - Myeong Kyu Park
- Healthcare Research Institute, Korea Testing and Research Institute (KTR), 12-63, Sandan-gil, Hwasun-eup, Hwasun-gun, Jeollanam-do, 58141, Republic of Korea
| | - Jae Min Im
- Healthcare Research Institute, Korea Testing and Research Institute (KTR), 12-63, Sandan-gil, Hwasun-eup, Hwasun-gun, Jeollanam-do, 58141, Republic of Korea
| | - Hae Sung Park
- Healthcare Research Institute, Korea Testing and Research Institute (KTR), 12-63, Sandan-gil, Hwasun-eup, Hwasun-gun, Jeollanam-do, 58141, Republic of Korea
| | - Heung Sik Seo
- Healthcare Research Institute, Korea Testing and Research Institute (KTR), 12-63, Sandan-gil, Hwasun-eup, Hwasun-gun, Jeollanam-do, 58141, Republic of Korea
| | - Hee Ju Park
- Research Laboratory, Bentech Frontier Co. Ltd., Nanosandan-ro, Nam-myeon, Jangseong, Jeollanam-do, 57248, Republic of Korea
| | - Sung Soon Nah
- Division of Environment & Health, Korea Testing & Research Institute, 98, Gyoyukwon-ro, Gwacheon-si, Gyeonggi-do, 13810, Republic of Korea
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29
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Wani MR, Shadab GGHA. Antioxidant thymoquinone and eugenol alleviate TiO 2 nanoparticle-induced toxicity in human blood cells in vitro. Toxicol Mech Methods 2021; 31:619-629. [PMID: 34219618 DOI: 10.1080/15376516.2021.1949083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Titanium dioxide (TiO2) nanoparticles (NPs) are used extensively in a variety of commercial, industrial, and medical products, due to which human exposure is inevitable. This study aimed to explore the potential of eugenol and thymoquinone (TQ), two well-known antioxidants, in counteracting the NP-induced toxicity in human blood cells in vitro. Fresh lymphocytes and erythrocytes were isolated from volunteer human blood donors and incubated with 50 μg/mL of TiO2 NPs in the presence and absence of 50 μM of TQ and 20 μg/mL of eugenol for 3 h. Results showed that NP-treatment-induced hemolysis, oxidative stress, lactate dehydrogenase (LDH) leakage, and reduced ATPase activity in the erythrocytes. In the lymphocytes treated with NPs alone (50 μg/mL), cytotoxicity in MTT assay and DNA damage in comet assay were observed; in addition, mitochondrial membrane potential collapsed and ADP/ATP ratio increased indicating mitochondrial function impairment. However, in the presence of antioxidants, all these NP-induced changes were mitigated significantly. The results were more significant when both antioxidants eugenol and TQ were given together. Thus, it seems that antioxidants eugenol and TQ can be used as a protective agent against TiO2 NP-induced toxicity.
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Affiliation(s)
- Mohammad Rafiq Wani
- Department of Zoology, Section of Genetics, Cytogenetics and Molecular Toxicology Laboratory, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - G G Hammad Ahmad Shadab
- Department of Zoology, Section of Genetics, Cytogenetics and Molecular Toxicology Laboratory, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
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30
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Hong F, Mu X, Ze Y, Li W, Zhou Y, Ji J. Damage to the Blood Brain Barrier Structure and Function from Nano Titanium Dioxide Exposure Involves the Destruction of Key Tight Junction Proteins in the Mouse Brain. J Biomed Nanotechnol 2021; 17:1068-1078. [PMID: 34167621 DOI: 10.1166/jbn.2021.3083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Numerous studies have proven that nano titanium dioxide (nano TiO₂) can accumulate in animal brains, where it damages the blood brain barrier (BBB); however, whether this process involves destruction of tight junction proteins in the mouse brain has not been adequately investigated. In this study, mice were exposed to nano TiO₂ for 30 consecutive days, and then we used transmission electron microscopy to observe the BBB ultrastructure and the Evans blue assay to evaluate the permeability of the BBB. Our data suggested that nano TiO₂ damaged the BBB ultrastructure and increased BBB permeability. Furthermore, we used immunofluorescence and Western blotting to examine the expression of key tight junction proteins, including Occludin, ZO-1, and Claudin-5 in the mouse brain. Our data showed that nano TiO₂ reduced Occludin, ZO-1 and Claudin-5 expression. Taken together, nano TiO₂-induced damage to the BBB structure and function may involve the destruction of key tight junction proteins.
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Affiliation(s)
- Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian, 223300, China
| | - Xu Mu
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yuguan Ze
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Wuyan Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, 215123, China
| | - Yingjun Zhou
- School of Life Sciences, Huaiyin Normal University, Huaian, 223300, China
| | - Jianhui Ji
- Jiangsu Key Laboratory for Food Safety & Nutrition Function Evaluation, Huaiyin Normal University, Huaian, 223300, China
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31
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Deng S, Yan X, Xiong P, Li G, Ku T, Liu N, Liao C, Jiang G. Nanoscale cobalt-based metal-organic framework impairs learning and memory ability without noticeable general toxicity: First in vivo evidence. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 771:145063. [PMID: 33736171 DOI: 10.1016/j.scitotenv.2021.145063] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/05/2021] [Accepted: 01/05/2021] [Indexed: 05/10/2023]
Abstract
Metal-organic frameworks (MOFs) exhibit broad potential applications in the environmental, biomedical, catalyst, and energy fields. However, the currently existing data hardly shed light on their health risks before the MOFs' large-scale usage. In this context, we exploratively investigated the in vivo fate and effect of one representative cobalt-based zeolitic imidazolate framework (ZIF-67) at the nano- (60 nm) and submicron- (890 nm) scales. Different from submicron-scale ZIF-67 showing better biosafety, nanoscale particles manifested a neurodegenerative risk at the dose of no general toxicity, evidenced by the impairment of learning and memory ability and disordered function of the neuropeptide signaling pathway in a rat model. The involvement of oxidative damage and inflammatory processes in the neurotoxicity induced by ZIF-67 was discussed as well. These findings not only provide a wake-up call for the prudent applications of MOFs but also provide insight into the better design and safer use of MOFs for broader applications.
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Affiliation(s)
- Shenxi Deng
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xueting Yan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ping Xiong
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guoliang Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Tingting Ku
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Na Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Chunyang Liao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
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32
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Wani MR, Shadab GGHA. Coenzyme Q10 protects isolated human blood cells from TiO 2 nanoparticles induced oxidative/antioxidative imbalance, hemolysis, cytotoxicity, DNA damage and mitochondrial impairment. Mol Biol Rep 2021; 48:3367-3377. [PMID: 34009565 DOI: 10.1007/s11033-021-06394-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 04/29/2021] [Indexed: 12/01/2022]
Abstract
TiO2 NPs have been investigated for their toxic potential and studies have reported their toxicity is due to generation of oxidative stress. In the present study, we investigated the toxicity of TiO2 NPs and explored the potential of well-known antioxidant coenzyme Q10 (CoQ10) in counteracting the NP-induced toxicity in isolated human blood cells. When the isolated blood cells were treated with varying concentrations of TiO2 NPs (25-100 μg/ml), only 50 μg/ml dose induced statistically significant hemolysis in erythrocytes and cytotoxicity in lymphocytes (p < 0.05). None of the concentrations induced any significant increase in platelet aggregation. To investigate the protective effect of CoQ10, we incubated the isolated blood cells with 50 μg/ml of TiO2 NPs in the presence and absence of 25 μM of CoQ10 for 3 h. Hemolysis, oxidative stress, LDH leakage and ATPase enzyme activity were studied in erythrocytes; cytotoxic and DNA damaging potential of NPs were determined in lymphocytes, along with mitochondrial membrane potential (MMP) and ADP/ATP ratio. Hemolysis, generation of oxidative stress, LDH leakage and reduced ATPase activity were observed in the erythrocytes treated with NPs alone (50 μg/ml), the results were statistically significant at p < 0.05. Oxidative stress was evident by increased levels of malonaldehyde, indicating lipid peroxidation and generation of reactive oxygen species including hydrogen peroxide, together with statistically significant decrease in the activities of catalase and superoxide dismutase and reduced glutathione levels. In the lymphocytes treated with NPs alone (50 μg/ml), cytotoxicity in MTT assay and DNA damage in comet assay were observed; in addition, mitochondrial membrane potential collapsed and ADP/ATP ratio increased indicating mitochondrial function impairment. However, in the presence of CoQ10, hemolysis, oxidative stress and LDH leakage in the erythrocytes and lymphocyte cytotoxicity and DNA damage were drastically reduced, enzyme activities, MMP and ADP/ATP ratio were restored towards normal levels. TiO2 NPs induce cytotoxicity, damage DNA in lymphocytes, and induce oxidative/anti-oxidative imbalance in erythrocytes. Antioxidant CoQ10 protects erythrocytes and lymphocytes from toxicity induced by TiO2 NPs.
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Affiliation(s)
- Mohammad Rafiq Wani
- Cytogenetics and Molecular Toxicology Laboratory, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
| | - G G Hammad Ahmad Shadab
- Cytogenetics and Molecular Toxicology Laboratory, Section of Genetics, Department of Zoology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India.
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Cui Y, Che Y, Wang H. Nono-titanium dioxide exposure during the adolescent period induces neurotoxicities in rats: Ameliorative potential of bergamot essential oil. Brain Behav 2021; 11:e02099. [PMID: 33694318 PMCID: PMC8119869 DOI: 10.1002/brb3.2099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 01/18/2021] [Accepted: 02/18/2021] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION In adolescence, the brain is still maturing, and disorders in maturation may affect the normal development of the brain. Exposure to titanium dioxide nanoparticles (TiO2 NPs) has various potential negative effects on the central nervous system. Bergamot essential oil (BEO) has been found to be effective for neuroprotection. METHODS The rats were injected intraperitoneally with TiO2 NPs (20 mg/kg) and/or BEO (200 mg/kg). The endogenous antioxidant state and inflammatory parameters were estimated using ELISA kits, and then the memory ability and anxiety-like behavior in rats were assessed. RESULTS TiO2 NPs exposure during the adolescent period induced anxiety-like behavior, cognitive impairment, neuroinflammation and oxidative damage in hippocampus, and BEO treatment could significantly ameliorate the neurotoxicities induced by TiO2 NPs exposure. CONCLUSION Our results suggest that the negative effects of TiO2 NPs exposure during the adolescent period on anxiety-like behavior and cognitive function may be related to oxidative stress and neuroinflammation induced by TiO2 NPs exposure. In addition, BEO may ameliorate the neurotoxicities induced by TiO2 NPs exposure in adolescent rats through the antioxidant and anti-inflammatory activity of BEO.
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Affiliation(s)
- Yonghua Cui
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,Medical College, Soochow University, Suzhou, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Yi Che
- Medical College, Soochow University, Suzhou, China
| | - Hongxin Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,School of Food Science and Technology, Jiangnan University, Wuxi, China.,National Engineering Research Center for Functional Food, Wuxi, China
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Wang L, Zhao J, Cui L, Li YF, Li B, Chen C. Comparative nanometallomics as a new tool for nanosafety evaluation. Metallomics 2021; 13:6189688. [PMID: 33770173 DOI: 10.1093/mtomcs/mfab013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/27/2021] [Accepted: 03/19/2021] [Indexed: 11/14/2022]
Abstract
Nanosafety evaluation is paramount since it is necessary not only for human health protection and environmental integrity but also as a cornerstone for industrial and regulatory bodies. The current nanometallomics did not cover non-metallic nanomaterials, which is an important part of nanomaterials. In this critical review, the concept of nanometallomics was expanded to incorporate all nanomaterials. The impacts on metal(loid) and metallo-biomolecular homeostasis by nanomaterials will be focused upon in nanometallomics study. Besides, the impacts on elemental and biomolecular homeostasis by metallo-nanomaterials are also considered as the research subjects of nanometallomics. Based on the new concept of nanometallomics, comparative nanometallomics was proposed as a new tool for nanosafety evaluation, which is high throughput and will be precise considering the nature of machine learning techniques. The perspectives of nanometallomics like metallo-wide association study and non-target nanometallomics were put forward.
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Affiliation(s)
- Liming Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety; CAS-HKU Joint Laboratory of Metallomics on Health and Environment; Beijing Metallomics Facility; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiating Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety; CAS-HKU Joint Laboratory of Metallomics on Health and Environment; Beijing Metallomics Facility; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liwei Cui
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Feng Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety; CAS-HKU Joint Laboratory of Metallomics on Health and Environment; Beijing Metallomics Facility; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bai Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety; CAS-HKU Joint Laboratory of Metallomics on Health and Environment; Beijing Metallomics Facility; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Chunying Chen
- University of Chinese Academy of Sciences, Beijing 100049, China.,CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety; CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
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Sofranko A, Wahle T, Heusinkveld HJ, Stahlmecke B, Dronov M, Pijnenburg D, Hilhorst R, Lamann K, Albrecht C, Schins RPF. Evaluation of the neurotoxic effects of engineered nanomaterials in C57BL/6J mice in 28-day oral exposure studies. Neurotoxicology 2021; 84:155-171. [PMID: 33771574 DOI: 10.1016/j.neuro.2021.03.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 02/07/2023]
Abstract
In recent years, concerns have emerged about the potential neurotoxic effects of engineered nanomaterials (NMs). Titanium dioxide and silver are among the most widely used types of metallic NMs. We have investigated the effects of these NMs on behaviour and neuropathology in male and female C57BL/6J mice following 28-day oral exposure with or without a 14-day post-exposure recovery. The mice were fed ad libitum with food pellets dosed with 10 mg/g TiO2, 2 mg/g polyvinylpyrrolidone-coated Ag or control pellets. Behaviour was evaluated by X-maze, open field, string suspension and rotarod tests. Histological alterations were analysed by immunohistochemistry and brain tissue homogenates were investigated for markers of oxidative stress, inflammation and blood-brain barrier disruption. Effects of the NMs on tyrosine and serine/threonine protein kinase activity in mouse brains were investigated by measuring kinase activity on peptide microarrays. Markers of inflammation, oxidative stress and blood-brain barrier integrity were not significantly affected in the male and female mice following exposure to Ag or TiO2. Both types of NMs also revealed no consistent significant treatment-related effects on anxiety and cognition. However, in the Ag NM exposed mice altered motor performance effects were observed by the rotarod test that differed between sexes. At 1-week post-exposure, a diminished performance in this test was observed exclusively in the female animals. Cortex tissues of female mice also showed a pronounced increase in tyrosine kinase activity following 28 days oral exposure to Ag NM. A subsequent Inductively Coupled Plasma - Mass Spectrometry (ICP-MS) based toxicokinetic study in female mice revealed a rapid and persistent accumulation of Ag in various internal organs including liver, kidney, spleen and the brain up to 4 weeks post-exposure. In conclusion, our study demonstrated that subacute exposure to foodborne TiO2 and Ag NMs does not cause substantial neuropathological changes in mice. However, the toxicokinetic and specific toxicodynamic findings indicate that long-term exposures to Ag NM can cause neurotoxicity, possibly in a sex-dependent manner.
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Affiliation(s)
- Adriana Sofranko
- IUF - Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Tina Wahle
- IUF - Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Harm J Heusinkveld
- National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Burkhard Stahlmecke
- Institute for Energy and Environmental Technology e.V. (IUTA), Duisburg, Germany
| | - Michail Dronov
- Institute for Energy and Environmental Technology e.V. (IUTA), Duisburg, Germany
| | - Dirk Pijnenburg
- PamGene International B.V.,' s-Hertogenbosch, the Netherlands
| | - Riet Hilhorst
- PamGene International B.V.,' s-Hertogenbosch, the Netherlands
| | - Karsten Lamann
- Tascon GmbH, Münster, Germany; University of Münster, Institute of Inorganic and Analytical Chemistry, Münster, Germany
| | - Catrin Albrecht
- IUF - Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Roel P F Schins
- IUF - Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany.
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Quach TT, Stratton HJ, Khanna R, Kolattukudy PE, Honnorat J, Meyer K, Duchemin AM. Intellectual disability: dendritic anomalies and emerging genetic perspectives. Acta Neuropathol 2021; 141:139-158. [PMID: 33226471 PMCID: PMC7855540 DOI: 10.1007/s00401-020-02244-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/04/2020] [Accepted: 11/05/2020] [Indexed: 12/12/2022]
Abstract
Intellectual disability (ID) corresponds to several neurodevelopmental disorders of heterogeneous origin in which cognitive deficits are commonly associated with abnormalities of dendrites and dendritic spines. These histological changes in the brain serve as a proxy for underlying deficits in neuronal network connectivity, mostly a result of genetic factors. Historically, chromosomal abnormalities have been reported by conventional karyotyping, targeted fluorescence in situ hybridization (FISH), and chromosomal microarray analysis. More recently, cytogenomic mapping, whole-exome sequencing, and bioinformatic mining have led to the identification of novel candidate genes, including genes involved in neuritogenesis, dendrite maintenance, and synaptic plasticity. Greater understanding of the roles of these putative ID genes and their functional interactions might boost investigations into determining the plausible link between cellular and behavioral alterations as well as the mechanisms contributing to the cognitive impairment observed in ID. Genetic data combined with histological abnormalities, clinical presentation, and transgenic animal models provide support for the primacy of dysregulation in dendrite structure and function as the basis for the cognitive deficits observed in ID. In this review, we highlight the importance of dendrite pathophysiology in the etiologies of four prototypical ID syndromes, namely Down Syndrome (DS), Rett Syndrome (RTT), Digeorge Syndrome (DGS) and Fragile X Syndrome (FXS). Clinical characteristics of ID have also been reported in individuals with deletions in the long arm of chromosome 10 (the q26.2/q26.3), a region containing the gene for the collapsin response mediator protein 3 (CRMP3), also known as dihydropyrimidinase-related protein-4 (DRP-4, DPYSL4), which is involved in dendritogenesis. Following a discussion of clinical and genetic findings in these syndromes and their preclinical animal models, we lionize CRMP3/DPYSL4 as a novel candidate gene for ID that may be ripe for therapeutic intervention.
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Affiliation(s)
- Tam T Quach
- Institute for Behavioral Medicine Research, Wexner Medical Center, The Ohio State University, Columbus, OH, 43210, USA
- INSERM U1217/CNRS, UMR5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | | | - Rajesh Khanna
- Department of Pharmacology, University of Arizona, Tucson, AZ, 85724, USA
| | | | - Jérome Honnorat
- INSERM U1217/CNRS, UMR5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Lyon, France
- SynatAc Team, Institut NeuroMyoGène, Lyon, France
| | - Kathrin Meyer
- The Research Institute of Nationwide Children Hospital, Columbus, OH, 43205, USA
- Department of Pediatric, The Ohio State University, Columbus, OH, 43210, USA
| | - Anne-Marie Duchemin
- Department of Psychiatry and Behavioral Health, The Ohio State University, Columbus, OH, 43210, USA.
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Mortensen NP, Moreno Caffaro M, Patel PR, Snyder RW, Watson SL, Aravamudhan S, Montgomery SA, Lefever T, Sumner SJ, Fennell TR. Biodistribution, cardiac and neurobehavioral assessments, and neurotransmitter quantification in juvenile rats following oral administration of aluminum oxide nanoparticles. J Appl Toxicol 2020; 41:1316-1329. [PMID: 33269475 DOI: 10.1002/jat.4122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 10/30/2020] [Accepted: 11/13/2020] [Indexed: 12/27/2022]
Abstract
Little is known about the uptake, biodistribution, and biological responses of nanoparticles (NPs) and their toxicity in developing animals. Here, male and female juvenile Sprague-Dawley rats received four consecutive daily doses of 10 mg/kg Al2 O3 NP (diameter: 24 nm [transmission electron microscope], hydrodynamic diameter: 148 nm) or vehicle control (water) by gavage between postnatal days (PNDs) 17-20. Basic neurobehavioral and cardiac assessments were performed on PND 20. Animals were sacrificed on PND 21, and selected tissues were collected, weighed, and processed for histopathology or neurotransmitter analysis. The biodistribution of Al2 O3 NP in tissue sections of the intestine, liver, spleen, kidney, and lymph nodes were evaluated using enhanced dark-field microscopy (EDM) and hyperspectral imaging (HSI). Liver-to-body weight ratio was significantly increased for male pups administered Al2 O3 NP compared with control. HSI suggested that Al2 O3 NP was more abundant in the duodenum and ileum tissue of the female pups compared with the male pups, whereas the abundance of NP was similar for males and females in the other tissues. The abundance of NP was higher in the liver compared with spleen, lymph nodes, and kidney. Homovanillic acid and norepinephrine concentrations in brain were significantly decreased following Al2 O3 NP administration in female and male pups, whereas 5-hydroxyindoleacetic acid was significantly increased in male pups. EDM/HSI indicates intestinal uptake of Al2 O3 NP following oral administration. Al2 O3 NP altered neurotransmitter/metabolite concentrations in juvenile rats' brain tissues. Together, these data suggest that orally administered Al2 O3 NP interferes with the brain biochemistry in both female and male pups.
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Affiliation(s)
- Ninell P Mortensen
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
| | - Maria Moreno Caffaro
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
| | - Purvi R Patel
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
| | - Rodney W Snyder
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
| | - Scott L Watson
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
| | - Shyam Aravamudhan
- Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, North Carolina, USA
| | - Stephanie A Montgomery
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Timothy Lefever
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
| | - Susan J Sumner
- UNC Nutrition Research Institute, University of North Carolina at Chapel Hill, Kannapolis, North Carolina, USA
| | - Timothy R Fennell
- Discovery Sciences, RTI International, Research Triangle Park, North Carolina, USA
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Medina-Reyes EI, Rodríguez-Ibarra C, Déciga-Alcaraz A, Díaz-Urbina D, Chirino YI, Pedraza-Chaverri J. Food additives containing nanoparticles induce gastrotoxicity, hepatotoxicity and alterations in animal behavior: The unknown role of oxidative stress. Food Chem Toxicol 2020; 146:111814. [PMID: 33068655 DOI: 10.1016/j.fct.2020.111814] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/22/2020] [Accepted: 10/10/2020] [Indexed: 02/07/2023]
Abstract
Food additives such as titanium dioxide (E171), iron oxides and hydroxides (E172), silver (E174), and gold (E175) are highly used as colorants while silicon dioxide (E551) is generally used as anticaking in ultra-processed foodstuff highly used in the Western diets. These additives contain nanosized particles (1-100 nm) and there is a rising concern since these nanoparticles could exert major adverse effects due to they are not metabolized but are accumulated in several organs. Here, we analyze the evidence of gastrotoxicity, hepatotoxicity and the impact of microbiota on gut-brain and gut-liver axis induced by E171, E172, E174, E175 and E551 and their non-food grade nanosized counterparts after oral consumption. Although, no studies using these food additives have been performed to evaluate neurotoxicity or alterations in animal behavior, their non-food grade nanosized counterparts have been associated with stress, depression, cognitive and eating disorders as signs of animal behavior alterations. We identified that these food additives induce gastrotoxicity, hepatotoxicity and alterations in gut microbiota and most evidence points out oxidative stress as the main mechanism of toxicity, however, the role of oxidative stress as the main mechanism needs to be explored further.
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Affiliation(s)
- Estefany I Medina-Reyes
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, Coyoacán, CP 04510, Ciudad de México, Mexico.
| | - Carolina Rodríguez-Ibarra
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México. Av. de Los Barrios No. 1, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - Alejandro Déciga-Alcaraz
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México. Av. de Los Barrios No. 1, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - Daniel Díaz-Urbina
- Laboratorio de Neurobiología de La Alimentación. Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México. Av. de Los Barrios No. 1, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México. Av. de Los Barrios No. 1, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - José Pedraza-Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, Coyoacán, CP 04510, Ciudad de México, Mexico
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40
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Buitrago E, Novello AM, Meyer T. Third‐Generation Solar Cells: Toxicity and Risk of Exposure. Helv Chim Acta 2020. [DOI: 10.1002/hlca.202000074] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Elina Buitrago
- Ecole Polytechnique Fédérale de Lausanne (EPFL) Safety Competence Center (DSPS-SCC) Station 6 CH-1015 Lausanne Switzerland
- Ecole Polytechnique Fédérale de Lausanne (EPFL) Group of Chemical and Physical Safety (ISIC-GSCP) Station 6 CH-1015 Lausanne Switzerland
| | - Anna Maria Novello
- Ecole Polytechnique Fédérale de Lausanne (EPFL) Safety Competence Center (DSPS-SCC) Station 6 CH-1015 Lausanne Switzerland
- Ecole Polytechnique Fédérale de Lausanne (EPFL) Group of Chemical and Physical Safety (ISIC-GSCP) Station 6 CH-1015 Lausanne Switzerland
| | - Thierry Meyer
- Ecole Polytechnique Fédérale de Lausanne (EPFL) Safety Competence Center (DSPS-SCC) Station 6 CH-1015 Lausanne Switzerland
- Ecole Polytechnique Fédérale de Lausanne (EPFL) Group of Chemical and Physical Safety (ISIC-GSCP) Station 6 CH-1015 Lausanne Switzerland
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41
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Mu X, Li W, Ze X, Li L, Wang G, Hong F, Ze Y. Molecular mechanism of nanoparticulate TiO 2 induction of axonal development inhibition in rat primary cultured hippocampal neurons. ENVIRONMENTAL TOXICOLOGY 2020; 35:895-905. [PMID: 32329576 DOI: 10.1002/tox.22926] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 03/16/2020] [Accepted: 03/20/2020] [Indexed: 06/11/2023]
Abstract
Numerous studies have demonstrated the in vitro and in vivo neurotoxicity of nanoparticulate titanium dioxide (nano-TiO2 ), a mass-produced material for a large number of commercial and industrial applications. The mechanism of nano-TiO2 -induced inhibition of axonal development, however, is still unclear. In our study, primary cultured hippocampal neurons of 24-hour-old fetal Sprague-Dawley rats were exposed to 5, 15, or 30 μg/mL nano-TiO2 for 6, 12, and 24 hours, and the toxic effects of nano-TiO2 exposure on the axons development were detected and its molecular mechanism investigated. Nano-TiO2 accumulated in hippocampal neurons and inhibited the development of axons as nano-TiO2 concentrations increased. Increasing time in culture resulted in decreasing axon length by 32.5%, 36.6%, and 53.8% at 6 hours, by 49.4%, 53.8%, and 69.5% at 12 hours, and by 44.5%, 58.2%, and 63.6% at 24 hours, for 5, 15, and 30 μg/mL nano-TiO2 , respectively. Furthermore, nano-TiO2 downregulated expression of Netrin-1, growth-associated protein-43, and Neuropilin-1, and promoted an increase of semaphorin type 3A and Nogo-A. These studies suggest that nano-TiO2 inhibited axonal development in rat primary cultured hippocampal neurons and this phenomenon is related to changes in the expression of axon growth-related factors.
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Affiliation(s)
- Xu Mu
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, China
| | - Wuyan Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, China
| | - Xiao Ze
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Lingjuan Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, China
| | - Guoqing Wang
- Department of Physiology and Neurobiology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, China
| | - Fashui Hong
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental Protection, Huaiyin Normal University, Huaian, China
- Department of Biotechnology, School of Life Sciences, Huaiyin Normal University, Huaian, China
| | - Yuguan Ze
- Department of Biochemistry and Molecular Biology, School of Basic Medical and Biological Sciences, Soochow University, Suzhou, China
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Chang X, Li J, Niu S, Xue Y, Tang M. Neurotoxicity of metal‐containing nanoparticles and implications in glial cells. J Appl Toxicol 2020; 41:65-81. [DOI: 10.1002/jat.4037] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/13/2020] [Accepted: 06/22/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Xiaoru Chang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health Southeast University Nanjing China
| | - Jiangyan Li
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health Southeast University Nanjing China
| | - Shuyan Niu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health Southeast University Nanjing China
| | - Yuying Xue
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health Southeast University Nanjing China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health Southeast University Nanjing China
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43
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Prüst M, Meijer J, Westerink RHS. The plastic brain: neurotoxicity of micro- and nanoplastics. Part Fibre Toxicol 2020; 17:24. [PMID: 32513186 PMCID: PMC7282048 DOI: 10.1186/s12989-020-00358-y] [Citation(s) in RCA: 238] [Impact Index Per Article: 59.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 06/03/2020] [Indexed: 12/13/2022] Open
Abstract
Given the global abundance and environmental persistence, exposure of humans and (aquatic) animals to micro- and nanoplastics is unavoidable. Current evidence indicates that micro- and nanoplastics can be taken up by aquatic organism as well as by mammals. Upon uptake, micro- and nanoplastics can reach the brain, although there is limited information regarding the number of particles that reaches the brain and the potential neurotoxicity of these small plastic particles. Earlier studies indicated that metal and metal-oxide nanoparticles, such as gold (Au) and titanium dioxide (TiO2) nanoparticles, can also reach the brain to exert a range of neurotoxic effects. Given the similarities between these chemically inert metal(oxide) nanoparticles and plastic particles, this review aims to provide an overview of the reported neurotoxic effects of micro- and nanoplastics in different species and in vitro. The combined data, although fragmentary, indicate that exposure to micro- and nanoplastics can induce oxidative stress, potentially resulting in cellular damage and an increased vulnerability to develop neuronal disorders. Additionally, exposure to micro- and nanoplastics can result in inhibition of acetylcholinesterase activity and altered neurotransmitter levels, which both may contribute to the reported behavioral changes. Currently, a systematic comparison of the neurotoxic effects of different particle types, shapes, sizes at different exposure concentrations and durations is lacking, but urgently needed to further elucidate the neurotoxic hazard and risk of exposure to micro- and nanoplastics.
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Affiliation(s)
- Minne Prüst
- Neurotoxicology Research Group, Division Toxicology, Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, NL-3508 TD, Utrecht, The Netherlands
| | - Jonelle Meijer
- Neurotoxicology Research Group, Division Toxicology, Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, NL-3508 TD, Utrecht, The Netherlands
| | - Remco H S Westerink
- Neurotoxicology Research Group, Division Toxicology, Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, NL-3508 TD, Utrecht, The Netherlands.
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Fadda LM, Ali HM, Mohamed AM, Hagar H. Prophylactic administration of carnosine and melatonin abates the incidence of apoptosis, inflammation, and DNA damage induced by titanium dioxide nanoparticles in rat livers. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19142-19150. [PMID: 31055753 DOI: 10.1007/s11356-019-05059-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 04/02/2019] [Indexed: 06/09/2023]
Abstract
Although titanium dioxide nanoparticles (TDO-ns) are extensively used in the food, medicine, and cosmetic industries, discussions about the possible hazards of nanomaterials are just beginning to emerge. This study aimed to detect the inflammatory stress, oxidative stress, and apoptotic cell death induced in the livers of rats exposed to TDO-ns (600 mg/kg, particle size ≤ 100 nm). Furthermore, the modulation of these toxic effects by two potent naturally occurring antioxidants, carnosine (Carno) or melatonin (Melato), was evaluated. The co-administration of carnosine or melatonin to rats intoxicated with TDO-ns significantly attenuated the increases in serum tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), C-reactive protein (CRP), immunoglobulin G (IgG), vascular endothelial growth factor (VEGF), nitric oxide (NO), and alanine aminotransferase (ALT) levels. The two agents markedly ameliorated hepatic DNA damage and the alterations in hepatic malondialdehyde (MDA), glutathione (GSH), cytochrome P450, caspase-3, total phospholipid, phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, sphingomyelin, and triglyceride (TG) levels. These results support the use of Carno or Melato as prophylactic agents against TDO-ns-induced liver damage.
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Affiliation(s)
- Laila Mohamed Fadda
- Pharmacology Department, Faculty of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Hanaa M Ali
- Genetic and Cytology Department, National Research Center, Dokki, Giza, Egypt.
- Common First Year Deanship, King Saud University, Riyadh, Saudi Arabia.
| | - Azza M Mohamed
- Biochemistry Department, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
- Therapeutic Department, National Research Center, Cairo, Egypt
| | - Hanan Hagar
- Pharmacology Unit (31), Medical College and King Khalid University Hospital, King Saud University, Po Box 2925, Riyadh, 11461, Saudi Arabia
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Kandeil MA, Mohammed ET, Hashem KS, Aleya L, Abdel-Daim MM. Moringa seed extract alleviates titanium oxide nanoparticles (TiO2-NPs)-induced cerebral oxidative damage, and increases cerebral mitochondrial viability. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19169-19184. [PMID: 31286372 DOI: 10.1007/s11356-019-05514-2] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 05/17/2019] [Indexed: 06/09/2023]
Abstract
To investigate the influence of Moringa seed extract (MSE) on the cerebral Nrf2/NQO1 signaling in TiO2-NPs-induced brain damage, 80 male albino rats were divided into four groups (n = 20); group I was used as a control, group II received TiO2-NPs (500 mg/kg b.w/day orally) for 14 days, group III received MSE (100 mg/kg b.w/day orally) for 30 days, and group IV received MSE an hour before TiO2-NPs administration with the same doses as before. Administration of TiO2-NPs was started on the 17th day for both groups (II) and (IV). Administration of MSE significantly increased the cerebral mitochondrial viability and Nrf2 level with a simultaneous increase of NQO1 mRNA expression. This designates a powerful antioxidant effect of MSE which is indicated by a significant reduction of INOS expression, MDA, TOS, OSI levels, and DNA fragmentation % with a significant increase of GSH concentration, SOD activities, and TAC. MSE possesses an anti-inflammatory effect by a significant reduction of IL-1β and TNF-α levels, and anti-apoptotic effect manifested by a significant reduction of caspase-3 and Fas levels. In harmonization, dopamine, serotonin concentrations, and acetylcholinesterase activities return back to normal as compared to control group. These results were confirmed by the histopathological features which were alleviated with MSE administration. In conclusion, Nrf2 plays a pivotal role in the mechanism of TiO2-NPs cerebral toxicity and MSE as a Nrf2 activator can provide a powerful cerebroprotective effect, whereas MSE increased the Nrf2 expression and consequently restore the antioxidant activity of brain cells by increasing NQO1 gene expression and cerebral mitochondrial viability as well as inhibition of pro-inflammatory and apoptotic mediators.
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Affiliation(s)
- Mohamed A Kandeil
- Department of Biochemistry, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Eman T Mohammed
- Department of Biochemistry, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt.
| | - Khalid S Hashem
- Department of Biochemistry, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besançon Cedex, France
| | - Mohamed M Abdel-Daim
- Department of Zoology, Science College, King Saud University, Riyadh, 11451, Saudi Arabia.
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
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Jia J, Wang Z, Yue T, Su G, Teng C, Yan B. Crossing Biological Barriers by Engineered Nanoparticles. Chem Res Toxicol 2020; 33:1055-1060. [PMID: 32223181 DOI: 10.1021/acs.chemrestox.9b00483] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Engineered nanoparticles (ENPs) may cause toxicity if they cross various biological barriers and are accumulated in vital organs. Which factors affect barrier crossing efficiency of ENPs are crucial to understand. Here, we present strong data showing that various nanoparticles crossed biological barriers to enter vital animal organs and cause toxicity. We also point out that physicochemical properties of ENPs, modifications of ENPs in biofluid, and physiological and pathological conditions of the body all affect barrier crossing efficiency. We also summarized our limited understanding of the related mechanisms. On the basis of this summary, major research gaps and direction of further efforts are then discussed.
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Affiliation(s)
- Jianbo Jia
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou 510006, China
| | - Zengjin Wang
- School of Public Health, Shandong University, Jinan 250100, China
| | - Tongtao Yue
- Center for Bioengineering and Biotechnology, State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Gaoxing Su
- School of Pharmacy, Nantong University, Nantong 226001, China
| | - Chuanfeng Teng
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Bing Yan
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou 510006, China.,School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
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A Novel Approach to Synthesize TiO2 Nanoparticles: Biosynthesis by Using Streptomyces sp. HC1. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01486-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Akram IN, Akhtar S, Khadija G, Awais MM, Latif M, Noreen A, Mobeen M, Sajjad F, Sardar Z, Iqbal S, Ashiq MN, Iqbal F. Synthesis, characterization, and biocompatibility of lanthanum titanate nanoparticles in albino mice in a sex-specific manner. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:1089-1101. [PMID: 31940053 DOI: 10.1007/s00210-020-01819-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 01/08/2020] [Indexed: 11/24/2022]
Abstract
The aim of this study is to report the synthesis, characterization, and biocompatibility of lanthanum titanate nanoparticles (LT NPs) in albino mice. Microemulsion method was used to generate LT NPs. Seven-week-old albino mice of both sexes orally received 50 mg/ml saline/kg body weight of nanoparticles for 15 days (group 1) and 29 days (group 2). Control groups were maintained in parallel. Selected behavioral (rotarod, light and dark box, open-field and Morris water maze) tests were conducted, blood biochemical analysis was done, and antioxidants were determined in vital organs of all treatments. Male mice treated with LT NPs for 15 days spent significantly more time in light and less time in dark during light dark box test. While they had made significantly more platform entries and platform maximum visits during acquisition phase of Morris water maze test, they remained unaffected in probe trail performance when compared with control. These male mice had significantly reduced white blood cells, lymphocyte, and monocyte count and significantly increased triglyceride levels in serum than the control group. They had higher level of superoxide dismutase (SOD) in heart and reduced level of malonaldehyde (MDA) in kidney while 15-day LT NP-treated females had significantly higher level of SOD in liver and kidney. Male mice treated with NPs for 29 days had increased anticlockwise rotations during open field, reduced level of triglycerides in serum, and significantly higher level of SOD in kidney and MDA in lungs. In contrast, female mice treated with NPs for 29 days had higher SOD level in liver, kidney, and heart than their control group. Oral supplementation of LT NPs for variable duration improved the exploratory behavior in male but disturbed blood chemistry and antioxidants from vital organs under both experimental conditions.
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Affiliation(s)
- Irum Naz Akram
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Sana Akhtar
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Ghulam Khadija
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Mian Muhammad Awais
- Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Latif
- Department of Zoology, Division of Science and Technology, University of Education Lahore, Multan Campus, Multan, Pakistan
| | - Aasia Noreen
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Mehwish Mobeen
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Fareeha Sajjad
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Zahida Sardar
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | - Shahid Iqbal
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan
| | | | - Furhan Iqbal
- Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan.
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Baranowska-Wójcik E, Szwajgier D, Oleszczuk P, Winiarska-Mieczan A. Effects of Titanium Dioxide Nanoparticles Exposure on Human Health-a Review. Biol Trace Elem Res 2020; 193:118-129. [PMID: 30982201 PMCID: PMC6914717 DOI: 10.1007/s12011-019-01706-6] [Citation(s) in RCA: 187] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 03/19/2019] [Indexed: 01/18/2023]
Abstract
Recently, an increased interest in nanotechnology applications can be observed in various fields (medicine, materials science, pharmacy, environmental protection, agriculture etc.). Due to an increasing scope of applications, the exposure of humans to nanoparticles (NPs) is inevitable. A number of studies revealed that after inhalation or oral exposure, NPs accumulate in, among other places, the lungs, alimentary tract, liver, heart, spleen, kidneys and cardiac muscle. In addition, they disturb glucose and lipid homeostasis in mice and rats. In a wide group of nanoparticles currently used on an industrial scale, titanium dioxide nanoparticles-TiO2 NPs-are particularly popular. Due to their white colour, TiO2 NPs are commonly used as a food additive (E 171). The possible risk to health after consuming food containing nanoparticles has been poorly explored but it is supposed that the toxicity of nanoparticles depends on their size, morphology, rate of migration and amount consumed. Scientific databases inform that TiO2 NPs can induce inflammation due to oxidative stress. They can also have a genotoxic effect leading to, among others, apoptosis or chromosomal instability. This paper gives a review of previous studies concerning the effects of exposure to TiO2 NPs on a living organism (human, animal). This information is necessary in order to demonstrate potential toxicity of inorganic nanoparticles on human health.
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Affiliation(s)
- Ewa Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, 20-704, Lublin, Poland.
| | - Dominik Szwajgier
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, 20-704, Lublin, Poland
| | - Patryk Oleszczuk
- Department of Environmental Chemistry, Maria Curie-Skłodowska University in Lublin, Pl. M. Curie-Skłodowskiej 3, 20-031, Lublin, Poland
| | - Anna Winiarska-Mieczan
- Department of Bromatology and Food Physiology, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland
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Fahmy HM, Aly EM, Mohamed FF, Noor NA, Elsayed AA. Neurotoxicity of green- synthesized magnetic iron oxide nanoparticles in different brain areas of wistar rats. Neurotoxicology 2019; 77:80-93. [PMID: 31899250 DOI: 10.1016/j.neuro.2019.12.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 12/22/2019] [Accepted: 12/27/2019] [Indexed: 12/20/2022]
Abstract
AIMS The aim of the present study was to evaluate the toxicity of magnetic iron oxide nanoparticles (MIONs) which were synthesized using carob leaf extract on various brain areas of Wistar rats. MAIN METHODS Carob leaf synthesized-MIONs were characterized using different techniques: Dynamic Light Scattering (DLS), Transmission Electron Microscope (TEM), UV-vis spectrophotometer, Fourier Transform infrared (FTIR), X-Ray Diffraction (XRD) and Atomic Force Microscope (AFM). The toxicity of MIONs in vivo was evaluated by: monitoring rat's body weight, measuring iron content in different brain areas, evaluating some oxidative stress parameters, estimating acetylcholinesterase (AChE) in addition to histopathological investigations. KEY FINDINGS The present study demonstrated no body weight changes of MIONs- treated rats. According to the conditions of the present study, the hippocampus and striatum were the most affected areas and demonstrated neuronal degeneration due to MIONs exposure. MIONs treatment of Wistar rats, also affected the iron homeostasis in both striatum and midbrain by decreasing iron content in these areas. The least affected areas were thalamus and cerebellum. The histopathological examination of brain areas demonstrated moderate neuronal degeneration in hippocampus and striatum, mild neuronal degeneration in cortex and slight degeneration in hypothalamus and pons-medulla areas were detected. SIGNIFICANCE The results suggested that MIONs have a toxic impact on different brain areas and the effect varies according to the brain area.
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Affiliation(s)
- Heba M Fahmy
- Biophysics Department, Faculty of Science, Cairo University, 12613, Giza, Egypt.
| | - Esraa M Aly
- Biophysics Department, Faculty of Science, Cairo University, 12613, Giza, Egypt
| | - Faten F Mohamed
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, 12613, Giza, Egypt
| | - Neveen A Noor
- Zoology Department, Faculty of Science, Cairo University, 12613, Giza, Egypt
| | - Anwar A Elsayed
- Biophysics Department, Faculty of Science, Cairo University, 12613, Giza, Egypt
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