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Rodríguez-Ibarra C, Díaz-Urbina D, Zagal-Salinas AA, Medina-Reyes EI, Déciga-Alcaraz A, Hernández-Pando R, Chirino YI. Oral exposure to food grade titanium dioxide (E171) induces intestinal and behavioural alterations in adult mice but limited effects in young mice. J Trace Elem Med Biol 2024; 83:127409. [PMID: 38394968 DOI: 10.1016/j.jtemb.2024.127409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Food-grade titanium dioxide (E171), a white colourant widely used in ultra-processed food products, has been banned in the European Union. However, its usage is still permitted in medicines, and in several other countries. The estimated intake of E171 in children is higher than in adults, which led us to hypothesise that E171 induces differential effects depending on age, with adult mice being the most susceptible due to age, despite the lower dose. AIM To evaluate the effects of oral administration of E171 on intestinal permeability, ileum, and colon histology, and how these effects impact anxious and depressive behaviour in young and adult mice of both sexes. METHODS Young and adult mice of both sexes C57BL/6 mice received 10 mg/kgbw E171/3 times per week for 3 months. E171 was administered orally in water by pipetting, while control groups only received drinking water, then intestinal permeability, histology and animal behaviour were analysed. RESULTS E171 showed an amorphous shape, primary particles sized below 1 µm and anatase crystalline structure. Oral administration of E171 disrupted the intestinal permeability in adult male and female mice, but no effects were observed in young mice of both sexes. E171 promoted ileal adenoma formation in half of the adult female population, moreover hyperplastic crypts, and hyperplastic goblet cells at histological level in adult mice of both sexes. The colon presented hyperplastic goblet cells, hyperchromatic nuclei, increased proliferation and DNA damage in adult mice of both sexes. The anxiety and depressive behaviour were only altered in adult mice treated with E171, but no changes were detected in young animals of both sexes. CONCLUSIONS Adult mice displayed higher susceptibility in all parameters analysed in this study compared to young mice of both sexes.
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Affiliation(s)
- Carolina Rodríguez-Ibarra
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, 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, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico; Laboratory of Neurobiology on Compulsive Behaviors, The National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institute of Health, Bethesda, MD, USA
| | - Alejandro A Zagal-Salinas
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico
| | - Estefany I Medina-Reyes
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico
| | - Alejandro Déciga-Alcaraz
- Química de Aerosoles Orgánicos Atmosféricos, Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, CP 04510 Ciudad de México, Mexico
| | - Rogelio Hernández-Pando
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán", Vasco de Quiroga 15, Belisario Domínguez Sección 16, Tlalpan, CP 14080 Ciudad 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, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico.
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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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Davidson M, Rashidi N, Sinnayah P, Ahmadi AH, Apostolopoulos V, Nurgali K. Improving behavioral test data collection and analysis in animal models with an image processing program. Behav Brain Res 2023; 452:114544. [PMID: 37321312 DOI: 10.1016/j.bbr.2023.114544] [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: 04/09/2023] [Revised: 05/31/2023] [Accepted: 06/12/2023] [Indexed: 06/17/2023]
Abstract
Behavioral studies are commonly used as a standard procedure to evaluate anxiety and depression in animal models. Recently, different methods have been developed to improve data collection and analysis of the behavioral tests. Currently available methods, including manual analysis and commercially available products, are either time-consuming or costly. The objective of this study was to improve the collection and analysis of behavioral test data in animal models by developing an image processing program. Eleven behavioral parameters were evaluated by three different methods, including (i) manual detection, (ii) commercially available TopScan software (CleverSys Inc, USA), and (iii) In-housed-developed Advanced Move Tracker (AMT) software. Results obtained from different methods were compared to validate the accuracy and efficiency of AMT. Results showed that AMT software provides highly accurate and reliable data analysis compared to other methods. Less than 5% tolerance was reported between results obtained from AMT compared to TopScan. In addition, the analysis processing time was remarkably reduced (68.3%) by using AMT compared to manual detection. Overall, the findings confirmed that AMT is an efficient program for automated data analysis, significantly enhancing research outcomes through accurate analysis of behavioral test data in animal models.
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Affiliation(s)
- Majid Davidson
- Institute for Health and Sport, Victoria University, Melbourne, Australia
| | - Niloufar Rashidi
- Institute for Health and Sport, Victoria University, Melbourne, Australia
| | - Puspha Sinnayah
- Institute for Health and Sport, Victoria University, Melbourne, Australia
| | - Amir Hossein Ahmadi
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran
| | - Vasso Apostolopoulos
- Institute for Health and Sport, Victoria University, Melbourne, Australia; Immunology Program, Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, Victoria, Australia.
| | - Kulmira Nurgali
- Institute for Health and Sport, Victoria University, Melbourne, Australia; Department of Medicine Western Health, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Australia; Regenerative Medicine and Stem Cells Program, Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, Victoria, Australia.
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4
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Díaz-Urbina D, Medina-Reyes EI, López-Alonso VE, Delgado-Buenrostro NL, Mancilla Díaz JM, Pedraza-Chaverri J, Chirino YI. Food-grade titanium dioxide (E171) differentially affects satiation in mice fed a regular or a high fat diet. Food Chem Toxicol 2023; 173:113610. [PMID: 36657699 DOI: 10.1016/j.fct.2023.113610] [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: 07/01/2022] [Revised: 12/17/2022] [Accepted: 01/09/2023] [Indexed: 01/18/2023]
Abstract
Food-grade titanium dioxide (E171) is a widely used food additive and the toxicity after oral consumption is still under research, although it has been already banned in some countries. The consumption of this additive occurs mainly through ultra-processed food products which also contain high amounts of fat. High fat diets (HFD) impair the physiological system controlling satiation and satiety, which are responsible for control of food intake and energy status. The impact of E171 on animal behavior has been poorly explored and here we hypothesize that E171 could worsen the effects on feeding behavior induced by HFD. Therefore, we aimed to evaluate the effects of E171 on the feeding pattern and the behavioral satiety sequence (BSS) of mice fed with a regular diet (RD) or a HFD after 1 and 16 weeks of exposure. The results showed that RD + E171 increased food intake and feeding time, but the prototypical structure of the BSS pattern (feeding→ grooming-activity → resting), was preserved. Conversely, food consumption was not altered in HFD + E171, but the BSS pattern was disrupted as the animals prolonged resting time and spent less time being active. Our findings suggest that E171 delayed the onset of satiation in mice fed with RD but induced the opposite effect in mice fed with HFD.
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Affiliation(s)
- 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.
| | - Estefany I Medina-Reyes
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Av. Universidad 3000 C.U., Coyoacán, 04510, Ciudad de México, CDMX, Mexico.
| | - Verónica E López-Alonso
- 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
| | - Norma Laura Delgado-Buenrostro
- Laboratorio de Carcinogénesis y Toxicología. 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
| | - Juan M Mancilla Díaz
- 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
| | - José Pedraza-Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Av. Universidad 3000 C.U., Coyoacán, 04510, Ciudad de México, CDMX, Mexico
| | - Yolanda I Chirino
- Laboratorio de Carcinogénesis y Toxicología. 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
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Mohammadipour A, Abudayyak M. Hippocampal toxicity of metal base nanoparticles. Is there a relationship between nanoparticles and psychiatric disorders? REVIEWS ON ENVIRONMENTAL HEALTH 2022; 37:35-44. [PMID: 33770832 DOI: 10.1515/reveh-2021-0006] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
Metal base nanoparticles are widely produced all over the world and used in many fields and products such as medicine, electronics, cosmetics, paints, ceramics, toys, kitchen utensils and toothpastes. They are able to enter the body through digestive, respiratory, and alimentary systems. These nanoparticles can also cross the blood brain barrier, enter the brain and aggregate in the hippocampus. After entering the hippocampus, they induce oxidative stress, neuro-inflammation, mitochondrial dysfunction, and gene expression alteration in hippocampal cells, which finally lead to neuronal apoptosis. Metal base nanoparticles can also affect hippocampal neurogenesis and synaptic plasticity that both of them play crucial role in memory and learning. On the one hand, hippocampal cells are severely vulnerable due to their high metabolic activity, and on the other hand, metal base nanoparticles have high potential to damage hippocampus through variety of mechanisms and affect its functions. This review discusses, in detail, nanoparticles' detrimental effects on the hippocampus in cellular, molecular and functional levels to reveal that according to the present information, which types of nanoparticles have more potential to induce hippocampal toxicity and psychiatric disorders and which types should be more evaluated in the future studies.
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Affiliation(s)
- Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Abudayyak
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
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6
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Onoda A, Hagiwara S, Kubota N, Yanagita S, Takeda K, Umezawa M. A Novel Staining Method for Detection of Brain Perivascular Injuries Induced by Nanoparticle: Periodic Acid-Schiff and Immunohistochemical Double-Staining. FRONTIERS IN TOXICOLOGY 2022; 4:825984. [PMID: 35391824 PMCID: PMC8979793 DOI: 10.3389/ftox.2022.825984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/18/2022] [Indexed: 11/13/2022] Open
Abstract
Background: To protect developing brain from any unfavorable effects, it is necessary to construct experimental techniques that can sensitively detect and evaluate developmental toxicity. We have previously shown that brain perivascular tissues, especially perivascular macrophages (PVMs), respond sensitively even to weak stimuli by foreign toxicants such as low-dose exposure to nanoparticle. This paper shows the protocol of a novel staining method that enables easy detection and rapid evaluation of brain perivascular abnormalities.Methods: As weak stimulus, low-dose of carbon black nanoparticle (95 μg/kg) or titanium dioxide nanoparticle (100 μg/kg) was intranasally administered to pregnant mice at gestational days 5 and 9. The offspring brains were used to confirm the properties of PVMs and to find suitable protocols for the detection and evaluation of the mild denaturation of PVMs. Furthermore, various procedures of novel combinational double staining including periodic acid-Schiff (PAS) staining and immunohistochemistry were examined. In addition, we checked the alterations in neurotransmitter levels and the behaviors of the offspring.Results and discussion: Maternal exposure to low-dose of nanoparticle at levels where no significant effects on the brain were observed, such as abnormal behavior, alteration of neurotransmitter levels, or microglial activation, resulted in mild denaturation of the PVMs, which was captured by PAS staining. However, it was difficult to detect and determine slight histopathological alterations. Therefore, we established PAS-immunohistochemical double-staining method for the brain. This double staining method enabled easy detection and rapid evaluation of brain perivascular abnormalities and the relationship between PVMs and the surrounding cells. In addition, this double staining allows evaluation of the histopathological denaturation of the PVMs and the associated abnormalities in the surrounding tissues in the same section.Conclusion: The slight responses of brain perivascular tissues, such as mild denaturation of PVMs, were sensitively and easily determined by the PAS-immunohistochemical double-staining method. This double staining method is a powerful tool to assess brain perivascular injuries including PVM denaturation and the relationship between the expression of various molecules and the morphology of PVMs. We propose that the observation of the tissue around brain blood vessels using the double staining provides potential endpoints to evaluate developmental neurotoxicity.
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Affiliation(s)
- Atsuto Onoda
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Tokyo University of Science, Noda, Japan
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Japan
- Faculty of Pharmaceutical Sciences, Sanyo-Onoda City University, Sanyo-Onoda, Japan
- *Correspondence: Atsuto Onoda,
| | - Shin Hagiwara
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Japan
| | - Natsuko Kubota
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Tokyo University of Science, Noda, Japan
- Graduate School of Human Health Sciences, Tokyo Metropolitan University, Hachioji, Japan
- Institute of Arts and Sciences, Tokyo University of Science, Noda, Japan
| | - Shinya Yanagita
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Tokyo University of Science, Noda, Japan
- Institute of Arts and Sciences, Tokyo University of Science, Noda, Japan
| | - Ken Takeda
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Tokyo University of Science, Noda, Japan
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Japan
- Faculty of Pharmaceutical Sciences, Sanyo-Onoda City University, Sanyo-Onoda, Japan
| | - Masakazu Umezawa
- The Center for Environmental Health Science for the Next Generation, Research Institute for Science and Technology, Tokyo University of Science, Noda, Japan
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Japan
- Department of Materials Science and Technology, Faculty of Advanced Engineering, Tokyo University of Science, Tokyo, Japan
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Medina‐Reyes EI, Rodríguez‐Ibarra C, Díaz‐Urbina D, Déciga‐Alcaraz A, Delgado‐Buenrostro NL, Chirino YI, Pedraza‐Chaverri J. Food‐grade titanium dioxide decreases hematocrit and hemoglobin and increases compulsive‐like behavior in male mice. J Appl Toxicol 2022; 42:1411-1419. [DOI: 10.1002/jat.4296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/30/2021] [Accepted: 01/28/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Estefany I. Medina‐Reyes
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, Coyoacán CP Ciudad de México México
| | - Carolina Rodríguez‐Ibarra
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Tlalnepantla de Baz Estado de México México
- Programa de Doctorado en Ciencias Biomédicas, UNAM
| | - Daniel Díaz‐Urbina
- Laboratorio de Neurobiología de la Alimentación. Facultad de Estudios Superiores Iztacala Universidad Nacional Autónoma de México Tlalnepantla de Baz Estado de México México
| | - Alejandro Déciga‐Alcaraz
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Tlalnepantla de Baz Estado de México México
- Programa de Cátedras del Consejo Mexiquense de Ciencia y Tecnología (COMECyT) Estado de México
| | - Normal L. Delgado‐Buenrostro
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Tlalnepantla de Baz Estado de México México
| | - Yolanda I. Chirino
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México Tlalnepantla de Baz Estado de México México
| | - José Pedraza‐Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México. Ciudad Universitaria, Coyoacán CP Ciudad de México México
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Ilani M, Sajedianfard J, Tarlan M, Nazifi S, Fathi M. The effect of maternal exposure to titanium dioxide nanoparticles on the pain response in offspring mice using formalin test. Toxicol Ind Health 2021; 37:776-781. [PMID: 34794364 DOI: 10.1177/07482337211059701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study was conducted to evaluate the effect of maternal exposure to TiO2 nanoparticles on the pain response in offspring mice. 30 female mice with a mean ± SD weight of 30 ± 5 g were randomly divided into three groups: the control group (group 1) received only the basal diet; the sham group (group 2) received saline plus as a carrier (100 μL/mice) subcutaneously on days 3, 7, 10, and 14 post-mating; and the test group (group 3) received 100 μL/mice TNPs subcutaneously on days 3, 7, 10, and 14 post-mating. Offspring were divided into 6 groups 21 days after birth and underwent formalin test. Blood samples were taken to evaluate possible oxidative changes in total antioxidant capacity (TAC) and malondialdehyde (MDA). Exposure to TNPs significantly (p < 0.05) decreased pain perception. Except for a significant difference between the sham group and the control group, MDA and TAC were not significantly different among the studied groups. Injection of TNPs to pregnant mice would affect the pain perception in their offspring. This may be attributable to the ability of these particles to pass through the placenta to produce free radicals.
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Affiliation(s)
- Mojtaba Ilani
- Department of Basic Sciences, School of Veterinary Medicine, 37551Shiraz University, Shiraz, Iran
| | - Javad Sajedianfard
- Department of Basic Sciences, School of Veterinary Medicine, 37551Shiraz University, Shiraz, Iran
| | - Mitra Tarlan
- Department of Basic Sciences, School of Veterinary Medicine, 37551Shiraz University, Shiraz, Iran
| | - Saeed Nazifi
- Department of Clinical Sciences, School of Veterinary Medicine, 37551Shiraz University, Shiraz, Iran
| | - Mazyar Fathi
- Department of Basic Sciences, School of Veterinary Medicine, 37551Shiraz University, Shiraz, Iran
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Surface-modified ZrO2 nanoparticles with caffeic acid: Characterization and in vitro evaluation of biosafety for placental cells. Chem Biol Interact 2021; 347:109618. [PMID: 34364836 DOI: 10.1016/j.cbi.2021.109618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/20/2021] [Accepted: 08/04/2021] [Indexed: 12/20/2022]
Abstract
The toxicity of hybrid nanoparticles, consisting of non-toxic components, zirconium dioxide nanoparticles (ZrO2 NPs), and caffeic acid (CA), was examined against four different cell lines (HTR-8 SV/Neo, JEG-3, JAR, and HeLa). Stable aqueous ZrO2 sol, synthesized by forced hydrolysis, consists of 3-4 nm in size primary particles organized in 30-60 nm in size snowflake-like particles, as determined by transmission electron microscopy and direct light scattering measurements. The surface modification of ZrO2 NPs with CA leads to the formation of an interfacial charge transfer (ICT) complex followed by the appearance of absorption in the visible spectral range. The spectroscopic observations are complemented with the density functional theory calculations using a cluster model. The ZrO2 NPs and CA are non-toxic against four different cell lines in investigated concentration range. Also, ZrO2 NPs promote the proliferation of HTR-8 SV/Neo, JAR, and HeLa cells. On the other hand, hybrid ZrO2/CA NPs induced a significant reduction of the viability of the JEG-3 cells (39 %) for the high concentration of components (1.6 mM ZrO2 and 0.4 mM CA).
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Arsenijevic N, Selakovic D, Katanic Stankovic JS, Mihailovic V, Mitrovic S, Milenkovic J, Milanovic P, Vasovic M, Markovic SD, Zivanovic M, Grujic J, Jovicic N, Rosic G. The Beneficial Role of Filipendula ulmaria Extract in Prevention of Prodepressant Effect and Cognitive Impairment Induced by Nanoparticles of Calcium Phosphates in Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6670135. [PMID: 33628375 PMCID: PMC7895592 DOI: 10.1155/2021/6670135] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/30/2021] [Accepted: 02/02/2021] [Indexed: 12/12/2022]
Abstract
Mineral components of dental composites are used in many medical and dental applications, including preventive, restorative, and regenerative dentistry. To evaluate the behavioural alterations induced by nanosized particles of novel dental composites, by means of depressive level and cognitive functions, experimental groups of rats were chronically administered with nanosized hydroxyapatite (HA), tricalcium phosphate (TCP), and amorphous calcium phosphate (ACP) with or without simultaneous application of Filipendula ulmaria L. (FU) methanolic extract. The significant prodepressant action was observed in groups solely treated with HA and ACP. Besides, prolonged treatment with ACP also resulted in a significant decline in cognitive functions estimated in the novel object recognition test. The adverse impact of calcium phosphates on estimated behavioural functions was accompanied by increased oxidative damage and apoptotic markers in the prefrontal cortex, as well as diminished specific neurotrophin (BDNF) and gabaergic expression. The results of our investigation showed that simultaneous antioxidant supplementation with FU extract prevented calcium phosphate-induced behavioural disturbances, as well as prooxidative and apoptotic actions, with the simultaneous restoration of BDNF and GABA-A receptors in the prefrontal cortex. These findings suggest that FU may be useful in the prevention of prodepressant impact and cognitive decline as early as the manifestation of calcium phosphate-induced neurotoxicity.
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Affiliation(s)
- Natalija Arsenijevic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Dragica Selakovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Jelena S. Katanic Stankovic
- Department of Science, Institute for Information Technologies Kragujevac, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Vladimir Mihailovic
- Department of Chemistry, Faculty of Science, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Slobodanka Mitrovic
- Department of Pathology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Jovana Milenkovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Pavle Milanovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Miroslav Vasovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Snezana D. Markovic
- Department for Biology and Ecology, Faculty of Science, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Marko Zivanovic
- Department of Science, Institute for Information Technologies Kragujevac, University of Kragujevac, 34000 Kragujevac, Serbia
- BioIRC, Bioengineering R&D Center, 34000 Kragujevac, Serbia
| | - Jelena Grujic
- Department of Science, Institute for Information Technologies Kragujevac, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Nemanja Jovicic
- Department of Histology and Embryology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Gvozden Rosic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
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