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Fernández-Bertólez N, Alba-González A, Touzani A, Ramos-Pan L, Méndez J, Reis AT, Quelle-Regaldie A, Sánchez L, Folgueira M, Laffon B, Valdiglesias V. Toxicity of zinc oxide nanoparticles: Cellular and behavioural effects. CHEMOSPHERE 2024; 363:142993. [PMID: 39097108 DOI: 10.1016/j.chemosphere.2024.142993] [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: 03/01/2024] [Revised: 07/01/2024] [Accepted: 07/31/2024] [Indexed: 08/05/2024]
Abstract
Due to their extensive use, the release of zinc oxide nanoparticles (ZnO NP) into the environment is increasing and may lead to unintended risk to both human health and ecosystems. Access of ZnO NP to the brain has been demonstrated, so their potential toxicity on the nervous system is a matter of particular concern. Although evaluation of ZnO NP toxicity has been reported in several previous studies, the specific effects on the nervous system are not completely understood and, particularly, effects on genetic material and on organism behaviour are poorly addressed. We evaluated the potential toxic effects of ZnO NP in vitro and in vivo, and the role of zinc ions (Zn2+) in these effects. In vitro, the ability of ZnO NP to be internalized by A172 glial cells was verified, and the cytotoxic and genotoxic effects of ZnO NP or the released Zn2+ ions were addressed by means of vital dye exclusion and comet assay, respectively. In vivo, behavioural alterations were evaluated in zebrafish embryos using a total locomotion assay. ZnO NP induced decreases in viability of A172 cells after 24 h of exposure and genetic damage after 3 and 24 h. The involvement of the Zn2+ ions released from the NP in genotoxicity was confirmed. ZnO NP exposure also resulted in decreased locomotor activity of zebrafish embryos, with a clear role of released Zn2+ ions in this effect. These findings support the toxic potential of ZnO NP showing, for the first time, genetic effects on glial cells and proving the intervention of Zn2+ ions.
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Affiliation(s)
- Natalia Fernández-Bertólez
- Universidade da Coruña, Grupo NanoToxGen, Centro Interdisciplinar de Química e Bioloxía-CICA, Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071, A Coruña, Spain; Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, As Xubias, 15006, A Coruña, Spain
| | - Anabel Alba-González
- Universidade da Coruña, Grupo NEUROVER, Centro Interdisciplinar de Química e Bioloxía-CICA, Rúa As Carballeiras, 15071, A Coruña, Spain
| | - Assia Touzani
- Universidade da Coruña, Grupo NanoToxGen, Centro Interdisciplinar de Química e Bioloxía-CICA, Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071, A Coruña, Spain; Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, As Xubias, 15006, A Coruña, Spain
| | - Lucía Ramos-Pan
- Universidade da Coruña, Grupo NanoToxGen, Centro Interdisciplinar de Química e Bioloxía-CICA, Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071, A Coruña, Spain; Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, As Xubias, 15006, A Coruña, Spain
| | - Josefina Méndez
- Universidade da Coruña, Grupo NanoToxGen, Centro Interdisciplinar de Química e Bioloxía-CICA, Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071, A Coruña, Spain
| | - Ana Teresa Reis
- EPIUnit-Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas 135, 4050-600, Porto, Portugal; Laboratório para a Investigação Integrativa e Translacional em Saúde Populacional (ITR), Rua das Taipas 135, 4050-600, Porto, Portugal; Environmental Health Department, National Institute of Health, Rua Alexandre Herculano, 321, 4000-055, Porto, Portugal
| | - Ana Quelle-Regaldie
- Department of Zoology, Genetics and Physical Anthropology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002, Lugo, Spain; Translational Research for Neurological Diseases, Institut Imagine, INSERM UMR 1163, Université Paris Cité, F-75015, Paris, France
| | - Laura Sánchez
- Department of Zoology, Genetics and Physical Anthropology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002, Lugo, Spain
| | - Mónica Folgueira
- Universidade da Coruña, Grupo NEUROVER, Centro Interdisciplinar de Química e Bioloxía-CICA, Rúa As Carballeiras, 15071, A Coruña, Spain
| | - Blanca Laffon
- Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, As Xubias, 15006, A Coruña, Spain; Universidade da Coruña, Grupo DICOMOSA, Centro Interdisciplinar de Química e Bioloxía-CICA, Departamento de Psicología, Facultad de Ciencias de la Educación, Campus Elviña s/n, 15071, A Coruña, Spain.
| | - Vanessa Valdiglesias
- Universidade da Coruña, Grupo NanoToxGen, Centro Interdisciplinar de Química e Bioloxía-CICA, Departamento de Biología, Facultad de Ciencias, Campus A Zapateira s/n, 15071, A Coruña, Spain; Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas, As Xubias, 15006, A Coruña, Spain
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Li Y, Li J, Lu Y, Ma Y. ZnO nanomaterials target mitochondrial apoptosis and mitochondrial autophagy pathways in cancer cells. Cell Biochem Funct 2024; 42:e3909. [PMID: 38269499 DOI: 10.1002/cbf.3909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 01/26/2024]
Abstract
In recent years, the application of engineering nanomaterials has significantly contributed to the development of various biomedical fields. Zinc oxide nanomaterials (ZnO NMts) have gained wide popularity due to their biocompatibility, unique physical and chemical properties, stability, and cost-effectiveness for large-scale production. They have emerged as potential materials for anticancer applications. This article provides a comprehensive review of the synthesis methods of ZnO NMts and highlights the advantages of combining ZnO NMts with anticancer drugs as a nano platform for cancer treatment. Additionally, the article briefly explains the mechanism of action of ZnO NMts in tumor cells, focusing on the mitochondrial pathways that target cell apoptosis and autophagy. It is observed that these pathways are primarily influenced by reactive oxygen species generated through oxidative stress. The article discusses the promising prospects of ZnO NMts combined with anticancer drugs in the field of cancer medicine and emphasizes the need for further in-depth research on the mitochondrial apoptosis and mitochondrial autophagy pathways.
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Affiliation(s)
- Yuanyuan Li
- College of Veterinary Medicine, Gansu Agriculture University, Lanzhou, China
| | - Jingjing Li
- College of Pharmacy, Gansu University of Traditional Chinese Medicine, Lanzhou, China
| | - Yan Lu
- College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou, China
| | - Yonghua Ma
- College of Veterinary Medicine, Gansu Agriculture University, Lanzhou, China
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Luo Q, Tang S, Xiao X, Wei Y, Cheng B, Huang Y, Zhong K, Tian G, Lu H. Benomyl-induced development and cardiac toxicity in zebrafish embryos. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:33090-33100. [PMID: 36471152 DOI: 10.1007/s11356-022-24213-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 11/10/2022] [Indexed: 06/17/2023]
Abstract
Benomyl is a highly effective broad-spectrum fungicide widely used worldwide to control vegetable, fruit, and oil crop diseases. However, the mechanism of its toxicity to aquatic organisms and humans remains unknown. In this study, zebrafish were used to determine the toxicity of benomyl. It was found to be highly toxic, with a 72-h post-fertilization (hpf) lethal concentration 50 (LC50) of 1.454 mg/L. Benomyl induced severe developmental toxicity, including shorter body length, slower heart rate, and a reduced yolk absorption rate. Benomyl also increased oxidative stress in zebrafish, especially in the heart and head, as well as increasing malondialdehyde (MDA) content and decreasing catalase (CAT) and superoxide dismutase (SOD) activities. This indicates that benomyl induced reactive oxygen species (ROS) production and cell membrane peroxidation in vivo. Acridine orange (AO) staining and apoptosis factor detection further indicated that benomyl induced apoptosis in zebrafish. Overall, these findings demonstrate that benomyl disrupts cellular homeostasis by activating oxidative stress in zebrafish, resulting in an imbalance of cardiac development-related gene expression and apoptosis, which causes severe developmental toxicity and cardiac dysfunction. This study evaluated the in vivo toxicity of benomyl, which is a potential threat to aquatic organisms and humans. Possible toxicity mechanisms are explored, providing a valuable reference for the safe use of benomyl.
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Affiliation(s)
- Qiang Luo
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Shuqiong Tang
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Xiaoping Xiao
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
- Provincal Key Laboratory of Low-Carbon Solid Waste Recycling, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - You Wei
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Bo Cheng
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Yong Huang
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Keyuan Zhong
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Guiyou Tian
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China
| | - Huiqiang Lu
- Ganzhou Key Laboratory for Drug Screening and Discovery, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou, 341000, Jiangxi, China.
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