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Ju H, Liu Y, Wang Y, Lu R, Yang B, Wang D, Wang J. The cellular response and molecular mechanism of superoxide dismutase interacting with superparamagnetic iron oxide nanoparticles. NANOIMPACT 2024; 35:100515. [PMID: 38857755 DOI: 10.1016/j.impact.2024.100515] [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: 02/22/2024] [Revised: 04/17/2024] [Accepted: 05/31/2024] [Indexed: 06/12/2024]
Abstract
This study explored the response of superoxide dismutase (SOD) under superparamagnetic iron oxide nanoparticles (SPIONs)-induced oxidative stress using combined cellular and molecular methods. Results found that SPIONs induced the inhibition of catalase activity, the U-inverted change of SOD activity and the accumulation of reactive oxygen species (ROS), leading to oxidative damage and cytotoxicity. The change of intracellular SOD activity was resulted from the increase of molecular activity induced by directly interacting with SPIONs and ROS-inhibition of activity. The increase of molecular activity could be attributed to the structural and conformational changes of SOD, which were caused by the direct interaction of SOD with SPIONs. The SOD-SPIONs interaction and its interacting mechanism were explored by multi-spectroscopy, isothermal titration calorimetry and zeta potential assays. SOD binds to SPIONs majorly via hydrophobic forces with the involvement of electrostatic forces. SPIONs approximately adsorb 11 units of SOD molecule with the binding affinity of 2.99 × 106 M-1. The binding sites on SOD were located around Tyr residues, whose hydrophilicity increased upon interacting with SPIONs. The binding to SPIONs loosened the peptide chains, changed the secondary structure and reduced the aggregation state of SOD.
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Affiliation(s)
- Hao Ju
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai 264005, PR China
| | - Yue Liu
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China
| | - Yameng Wang
- Chinese Academy for Environmental Planning, Building 1, No. 15, Shixing Street, Shijingshan District, Beijing 100041, PR China
| | - Rui Lu
- Test Experiment Center, Shandong Institute of Space Electronic Technology, 513# Hangtian Road, Yantai 264670, PR China
| | - Bin Yang
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai 264005, PR China
| | - Deyi Wang
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai 264005, PR China.
| | - Jing Wang
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai 264005, PR China.
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He F, Shi H, Guo S, Li X, Tan X, Liu R. Molecular mechanisms of nano-sized polystyrene plastics induced cytotoxicity and immunotoxicity in Eisenia fetida. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133032. [PMID: 38000284 DOI: 10.1016/j.jhazmat.2023.133032] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/29/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023]
Abstract
Nanoplastics (NPs) are currently everywhere and environmental pollution by NPs is a pressing global problem. Nevertheless, until now, few studies have concentrated on the mechanisms and pathways of cytotoxic effects and immune dysfunction of NPs on soil organisms employing a multidimensional strategy. Hence, earthworm immune cells and immunity protein lysozyme (LZM) were selected as specific receptors to uncover the underlying mechanisms of cytotoxicity, genotoxicity, and immunotoxicity resulting from exposure to polystyrene nanoplastics (PS-NPs), and the binding mechanisms of PS-NPs-LZM interaction. Results on cells indicated that when earthworm immune cells were exposed to high-dose PS-NPs, it caused a notable rise in the release of reactive oxygen species (ROS), resulting in oxidative stress. PS-NPs exposure significantly decreased the cell viability of earthworm immune cells, inducing cytotoxicity through ROS-mediated oxidative stress pathway, and oxidative injury effects, including reduced antioxidant defenses, lipid peroxidation, DNA damage, and protein oxidation. Moreover, PS-NPs stress inhibited the intracellular LZM activity in immune cells, resulting in impaired immune function and immunotoxicity by activating the oxidative stress pathway mediated by ROS. The results from molecular studies revealed that PS-NPs binding destroyed the LZM structure and conformation, including secondary structure changes, protein skeleton unfolding/loosening, fluorescence sensitization, microenvironment changes, and particle size changes. Molecular docking suggested that PS-NPs combined with active center of LZM easier and inhibited the protein function more, and formed a hydrophobic interaction with TRP 62, a crucial amino acid residue closely associated with the function and conformation of LZM. This is also responsible for LZM conformational changes and functional inhibition /inactivation. These results of this research offer a fresh outlook on evaluating the detriment of NPs to the immune function of soil organisms using cellular and molecular strategies.
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Affiliation(s)
- Falin He
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Huijian Shi
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Shuqi Guo
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Xiangxiang Li
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Xuejie Tan
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China.
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China.
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Hu S, Xu M, Cui Z, Xiao Y, Liu C, Liu R, Li X. Study on the binding of polystyrene microplastics with superoxide dismutase at the molecular level by multi-spectroscopy methods. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 294:122511. [PMID: 36854229 DOI: 10.1016/j.saa.2023.122511] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 01/30/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
Microplastics are harmful pollutants that widely exist worldwide and pose a severe threat to all types of organisms. The effects of polystyrene microplastics (PS-MPs) on organisms have been extensively studied, but the interaction mechanism between PS-MPs and superoxide dismutase (SOD) at the molecular level has not been reported yet. Therefore, based on multiple spectroscopic methods and enzyme activity measurements, the molecular mechanism of the interaction between PS-MPs and SOD was investigated. The multispectral results showed that the protein skeleton and secondary structure of SOD were altered by PS-MPs, resulting in decreased α-helix and β-sheet content. After PS-MPs exposure, fluorescence sensitization occurred, and micelles were formed, along with the enhanced hydrophobicity of aromatic amino acids in SOD. Moreover, the resonance light scattering (RLS) spectra result suggested that the PS-MPs and SOD combined to form a larger complex. Eventually, the activity of SOD was increased due to these structural changes, and the concentration of PS-MPs is positively correlated with SOD activity. This study can provide experimental support for studying the toxicological effects of PS-MPs.
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Affiliation(s)
- Shuncheng Hu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, PR China
| | - Mengchen Xu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, PR China.
| | - Zhaohao Cui
- Qingdao Ecological Environment Monitoring Center, Qingdao 266003, PR China
| | - Yihua Xiao
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, PR China
| | - Changqing Liu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Xiangxiang Li
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
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Li W, Chen S, Hong X, Fang M, Zong W, Li X, Wang J. The molecular interaction of three haloacetic acids with bovine serum albumin and the underlying mechanisms. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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5
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Study of reactive dye/serum albumin interactions: thermodynamic parameters, protein alterations and computational analysis. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02561-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Liang Y, Huang X, Fang L, Wang M, Yu C, Guan Q. Effect of iodoacetic acid on the reproductive system of male mice. Front Pharmacol 2022; 13:958204. [PMID: 36091762 PMCID: PMC9461136 DOI: 10.3389/fphar.2022.958204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Iodoacetic acid (IAA) is one of the most common water disinfection byproducts (DBPs). Humans and animals are widely and continuously exposed to it. Many species of water DBPs are harmful to the reproductive system of organisms. Nevertheless, the potential effects of IAA exposure on testosterone and spermatogenesis in vivo remain ambiguous. Spermatogenous cells are the site of spermatogenesis, Leydig cells are the site of testosterone synthesis, and Sertoli cells build the blood–testis barrier (BTB), providing a stable environment for the aforementioned important physiological functions in testicular tissue. Therefore, we observed the effects of IAA on spermatogenic cells, Leydig cells, and Sertoli cells in the testis. In this study, we found that oral administration of IAA (35 mg/kg body weight per day for 28 days) in male mice increased serum LH levels and reduced sperm motility, affecting average path velocity and straight line velocity of sperm. In addition, IAA promoted the expression of γH2AX, a marker for DNA double-strand breaks. Moreover, IAA downregulated the protein expression of the scavenger receptor class B type 1 (SRB1), and decreased lipid droplet transport into Leydig cells, which reduced the storage of testosterone synthesis raw materials and might cause a drop in testosterone production. Furthermore, IAA did not affect the function of BTB. Thus, our results indicated that IAA exposure affected spermatogenesis and testosterone synthesis by inducing DNA damage and reducing lipid droplet transport.
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Affiliation(s)
- Yun Liang
- Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Provincial Hospital, Shandong University, Jinan, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Laboratory of Endocrinology and Lipid Metabolism, Shandong Provincial Hospital, Jinan, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
| | - Xinshuang Huang
- Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Provincial Hospital, Shandong University, Jinan, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Laboratory of Endocrinology and Lipid Metabolism, Shandong Provincial Hospital, Jinan, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
| | - Li Fang
- Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Provincial Hospital, Shandong University, Jinan, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Laboratory of Endocrinology and Lipid Metabolism, Shandong Provincial Hospital, Jinan, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
| | - Mingjie Wang
- Shandong Provincial Hospital, Shandong University, Jinan, China
- Department of Endocrinology, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia Medical University, Inner Mongolia, China
| | - Chunxiao Yu
- Shandong Provincial Hospital, Shandong University, Jinan, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Laboratory of Endocrinology and Lipid Metabolism, Shandong Provincial Hospital, Jinan, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Provincial Hospital, Shandong University, Jinan, China
- *Correspondence: Chunxiao Yu, ; Qingbo Guan,
| | - Qingbo Guan
- Shandong Provincial Hospital, Shandong University, Jinan, China
- Shandong Clinical Research Center of Diabetes and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Laboratory of Endocrinology and Lipid Metabolism, Shandong Provincial Hospital, Jinan, China
- Shandong Prevention and Control Engineering Laboratory of Endocrine and Metabolic Diseases, Shandong Provincial Hospital, Jinan, China
- Shandong Provincial Hospital, Shandong University, Jinan, China
- *Correspondence: Chunxiao Yu, ; Qingbo Guan,
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Gonsioroski A, Laws M, Mourikes VE, Neff A, Drnevich J, Plewa MJ, Flaws JA. Iodoacetic acid exposure alters the transcriptome in mouse ovarian antral follicles. J Environ Sci (China) 2022; 117:46-57. [PMID: 35725088 PMCID: PMC9972181 DOI: 10.1016/j.jes.2022.01.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/14/2022] [Accepted: 01/16/2022] [Indexed: 05/20/2023]
Abstract
Iodoacetic acid (IAA) is an unregulated water disinfection byproduct that is an ovarian toxicant. However, the mechanisms of action underlying IAA toxicity in ovarian follicles remain unclear. Thus, we determined whether IAA alters gene expression in ovarian follicles in mice. Adult female mice were dosed with water or IAA (10 or 500 mg/L) in the water for 35-40 days. Antral follicles were collected for RNA-sequencing analysis and sera were collected to measure estradiol. RNA-sequencing analysis identified 1063 differentially expressed genes (DEGs) in the 10 and 500 mg/L IAA groups (false discovery rate FDR < 0.1), respectively, compared to controls. Gene Ontology Enrichment analysis showed that DEGs were involved with RNA processing and regulation of angiogenesis (10 mg/L) and the cell cycle and cell division (500 mg/L). Pathway Enrichment analysis showed that DEGs were involved in the phosphatidylinositol 3-kinase and protein kinase B (PI3K-Akt), gonadotropin-releasing hormone (GnRH), estrogen, and insulin signaling pathways (10 mg/L). Pathway Enrichment analysis showed that DEGs were involved in the oocyte meiosis, GnRH, and oxytocin signaling pathways (500 mg/L). RNA-sequencing analysis identified 809 DEGs when comparing the 500 and 10 mg/L IAA groups (FDR < 0.1). DEGs were related to ribosome, translation, mRNA processing, oxidative phosphorylation, chromosome, cell cycle, cell division, protein folding, and the oxytocin signaling pathway. Moreover, IAA exposure significantly decreased estradiol levels (500 mg/L) compared to control. This study identified key candidate genes and pathways involved in IAA toxicity and can help to further understand the molecular mechanisms of IAA toxicity in ovarian follicles.
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Affiliation(s)
- Andressa Gonsioroski
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Mary Laws
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Vasiliki E Mourikes
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Alison Neff
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Jenny Drnevich
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA; Roy J. Carver Biotechnology Center, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Michael J Plewa
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA; Department of Crop Sciences and the Safe Global Water Institute, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA.
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Liang Y, Wu B, Zhang Y, Liu H. Oxidative stress and EROD activity in Caco-2 cells upon exposure to chlorinated hydrophobic organic compounds from drinking water reservoirs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 804:150015. [PMID: 34509843 DOI: 10.1016/j.scitotenv.2021.150015] [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: 04/29/2021] [Revised: 08/19/2021] [Accepted: 08/25/2021] [Indexed: 06/13/2023]
Abstract
Our previous studies showed hydrophobic organic compounds (HOCs) in the sediments of drinking water reservoirs caused DNA damage in human cells (Caco-2) after chlorination. However, the main mechanisms remained unclear. This study compared oxidative damage and EROD activity in Caco-2 cells upon exposure to chlorinated HOCs, and the role of antioxidants (catalase, vitamin C and epigallocatechin gallate (EGCG)) in reducing the toxicities was examined. The result showed that chlorinated HOCs induced a 4-fold increase in production of reactive oxygen species (ROS) compared with HOCs. Antioxidants supplement significantly reduced ROS yields and DNA peroxidation. HOCs with relatively higher TEQbio were greatly reduced (about 98%) after chlorination, indicating dioxin-like toxicity is not the main factor inducing oxidative damage by chlorinated HOCs. Yet, ROS and the associated oxidative damage seem to be more responsible for causing DNA damage in the cells. Antioxidants including catalase, Vitamin C and EGCG showed protective effect against chlorination.
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Affiliation(s)
- Yan Liang
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu 611731, China; College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Binbin Wu
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Centre for Cardiovascular Genomics and Medicine, The Chinese University of Hong Kong (CUHK), HKSAR, China
| | - Yanling Zhang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Hailong Liu
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu 611731, China
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He F, Liu Q, Jing M, Wan J, Huo C, Zong W, Tang J, Liu R. Toxic mechanism on phenanthrene-induced cytotoxicity, oxidative stress and activity changes of superoxide dismutase and catalase in earthworm (Eisenia foetida): A combined molecular and cellular study. JOURNAL OF HAZARDOUS MATERIALS 2021; 418:126302. [PMID: 34118541 DOI: 10.1016/j.jhazmat.2021.126302] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 05/31/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
Phenanthrene (PHE) is an important organic compound, which is widespread in the soil environment and exhibits potential threats to soil organisms. Toxic effects of PHE to earthworms have been extensively studied, but toxic mechanisms on PHE-induced cytotoxicity and oxidative stress at the molecular and cellular levels have not been reported yet. Therefore, we explored the cytotoxicity and oxidative stress caused by PHE in earthworm coelomocytes and the interaction mechanism between PHE and the major antioxidant enzymes SOD/CAT. It was shown that high-dose PHE exposure induced the intracellular reactive oxygen species (ROS) generation, mediated lipid peroxidation, reduced total antioxidant capacity (T-AOC) in coelomocytes, and triggered oxidative stress, thus resulted in a strong cytotoxicity at higher concentrations (0.6-1.0 mg/L). The intracellular SOD/CAT activity in cells after PHE exposure were congruent with that in molecular levels, which the activity of SOD enhanced and CAT inhibited. Spectroscopic studies showed the SOD/CAT protein skeleton and secondary structure, as well as the micro-environment of aromatic amino acids were changed after PHE binding. Molecular docking indicated PHE preferentially docked to the surface of SOD. However, the key residues Tyr 357, His 74, and Asn 147 for activity were in the binding pocket, indicating PHE more likely to dock to the active center of CAT. In addition, H-bonding and hydrophobic force were the primary driving force in the binding interaction between PHE and SOD/CAT. This study indicates that PHE can induce cytotoxicity and oxidative damage to coelomocytes and unearthes the potential effects of PHE on earthworms.
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Affiliation(s)
- Falin He
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Qiang Liu
- Solid Waste and Hazardous Chemicals Pollution Prevention and Control Center of Shandong Province, 145# Jingshi West Road, Jinan 250117, PR China
| | - Mingyang Jing
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Jingqiang Wan
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Chengqian Huo
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Wansong Zong
- College of Geography and Environment, Shandong Normal University, 88# East Wenhua Road, Jinan, Shandong 250014, PR China
| | - Jingchun Tang
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China.
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Gonsioroski A, Meling DD, Gao L, Plewa MJ, Flaws JA. Iodoacetic acid affects Estrous Cyclicity, ovarian gene expression, and hormone levels in mice. Biol Reprod 2021; 105:1030-1042. [PMID: 34086879 DOI: 10.1093/biolre/ioab108] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/13/2021] [Accepted: 05/27/2021] [Indexed: 12/20/2022] Open
Abstract
Iodoacetic acid (IAA) is a water disinfection byproduct that is an ovarian toxicant in vitro. However, information on the effects of IAA on ovarian function in vivo was limited. Thus, we determined whether IAA exposure affects estrous cyclicity, steroidogenesis, and ovarian gene expression in mice. Adult CD-1 mice were dosed with water or IAA (0.5-500 mg/L) in the drinking water for 35-40 days during which estrous cyclicity was monitored for 14 days. Ovaries were analyzed for expression of apoptotic factors, cell cycle regulators, steroidogenic factors, estrogen receptors, oxidative stress markers, and a proliferation marker. Sera were collected to measure pregnenolone, androstenedione, testosterone, estradiol, inhibin B, and follicle-stimulating hormone (FSH) levels. IAA exposure decreased the time that the mice spent in proestrus compared to control. IAA exposure decreased expression of the pro-apoptotic factor Bok, the cell cycle regulator Ccnd2, and borderline decreased expression of the anti-apoptotic factor Bcl2l10, the pro-apoptotic factor Aimf1, and the steroidogenic factor Cyp19a1 compared to control. IAA exposure increased expression of the pro-apoptotic factors Bax and Aimf1, the anti-apoptotic factor Bcl2l10, the cell cycle regulators Ccna2, Ccnb1, Ccne1, and Cdk4, and estrogen receptor Esr1 compared to control. IAA exposure decreased expression of Cat and Sod1, and increased expression of Cat, Gpx, and Nrf2. IAA exposure did not affect expression of Star, Cyp11a1, Cyp17a1, Hsd17b1, Hsd3b1, Esr2 or Ki67 compared to control. IAA exposure decreased estradiol levels, but did not alter other hormone levels compared to control. In conclusion, IAA exposure alters estrous cyclicity, ovarian gene expression, and estradiol levels in mice.
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Affiliation(s)
| | - Daryl D Meling
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, USA
| | - Liying Gao
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, USA
| | - Michael J Plewa
- Department of Crop Sciences and the Safe Global Water Institute, University of Illinois, Urbana, IL, USA
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, USA
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11
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Jing M, Han G, Wan J, Zhang S, Yang J, Zong W, Niu Q, Liu R. Catalase and superoxide dismutase response and the underlying molecular mechanism for naphthalene. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 736:139567. [PMID: 32479957 DOI: 10.1016/j.scitotenv.2020.139567] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/11/2020] [Accepted: 05/18/2020] [Indexed: 05/21/2023]
Abstract
Naphthalene, a naturally-occurring polyaromatic hydrocarbon, pose potential threats to health for its wide exposures in environment. Naphthalene could disrupt the redox equilibrium resulting in oxidative damage. Antioxidant enzymes catalase (CAT) and superoxide dismutase (SOD) are considered to be the efficient defense barriers to protect organisms from negative impacts of toxicants. Limited information is available regarding the underlying molecular mechanism between antioxidant enzymes and naphthalene. In this paper, structural and functional alterations of CAT and SOD for low dose (1.6-25.6 mg/L) naphthalene exposure have been investigated at the molecular and cellular levels. The enzyme activity responses of CAT and SOD in hepatocytes for naphthalene were consistent with the molecular, in which the activity of CAT increased and the activity of SOD slightly inhibited. Spectroscopy methods and molecular docking were carried out to investigate the underlying binding mechanisms. Naphthalene exposure significantly changed the conformation of CAT with secondary structure alteration (α-helix increase) but only changed the skeleton structure of SOD without secondary structure alteration. Naphthalene could bind to CAT and SOD primarily via H-binding force accompanied with the particle size of CAT/SOD agglomerates decreasing. Naphthalene preferentially bound to the surface of CAT and SOD. Besides, naphthalene could also bind directly to the active center of CAT with the key residues Arg364 and Tyr 357 for activity. This paper provides a combined cellular and molecular strategy to research biomarker responses for toxicants exposure. Besides, this study offers detailed basic data for the comprehensive understanding of naphthalene toxicity.
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Affiliation(s)
- Mingyang Jing
- School of Environmental Science and Engineering, Shandong University, America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China; Penglai Jiaxin Dye Chemical Co., Ltd, 1#Jiaxin Road, Yantai, Shandong 265601, PR China
| | - Guangye Han
- Shandong Huankeyuan Environmental Engineering Co., Ltd, Lixia, 50# Lishan Road, Jinan, Shandong 250100, PR China
| | - Jingqiang Wan
- School of Environmental Science and Engineering, Shandong University, America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Shansheng Zhang
- Penglai Jiaxin Dye Chemical Co., Ltd, 1#Jiaxin Road, Yantai, Shandong 265601, PR China
| | - Junhai Yang
- Penglai Jiaxin Dye Chemical Co., Ltd, 1#Jiaxin Road, Yantai, Shandong 265601, PR China
| | - WanSong Zong
- College of Geography and Environment, Shandong Normal University, 88# East Wenhua Road, Jinan, Shandong 250014, PR China
| | - Qigui Niu
- School of Environmental Science and Engineering, Shandong University, America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong 266237, PR China.
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12
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Xu M, Zhang T, Lv C, Niu Q, Zong W, Tang J, Liu R. Perfluorodecanoic acid-induced oxidative stress and DNA damage investigated at the cellular and molecular levels. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 185:109699. [PMID: 31561076 DOI: 10.1016/j.ecoenv.2019.109699] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/18/2019] [Accepted: 09/19/2019] [Indexed: 05/15/2023]
Abstract
Perfluorodecanoic acid (PFDA) has been widely used in production of many daily necessities because of its special nature. Althoughtoxic effects of PFDA to organisms have been reported, there is little research on the genotoxicity induced by oxidative stress of PFDA on the cellular and molecular levels simultaneously. Thus, we investigated the DNA oxidative damage caused by PFDA in mouse hepatocytes. On the cellular level, an increase in ROS content indicated that PFDA caused oxidative stress in mouse hepatocytes. In addition, after PFDA exposure, the comet assay confirmed DNA strand breaks and an increased 8-OHdG content demonstrated DNA oxidative damage. On the molecular level, the microenvironment of aromatic amino acids, skeleton and secondary structure of catalase (CAT) were varied after PFDA exposure and the enzyme activity was reduced because PFDA bound near the heme groups of CAT. Moreover, PFDA was shown to interact with DNA molecule by groove binding. This study suggests that PFDA can cause genotoxicity by inducing oxidative stress both on the cellular and molecular levels.
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Affiliation(s)
- Mengchen Xu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China
| | - Tong Zhang
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China
| | - Chao Lv
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China
| | - Qigui Niu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China
| | - Wansong Zong
- College of Population, Resources and Environment, Shandong Normal University, 88# East Wenhua Road, Jinan, 250014, PR China
| | - Jingchun Tang
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, China-America CRC for Environment & Health, Shandong Province, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China.
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13
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Gonsioroski A, Meling DD, Gao L, Plewa MJ, Flaws JA. Iodoacetic acid inhibits follicle growth and alters expression of genes that regulate apoptosis, the cell cycle, estrogen receptors, and ovarian steroidogenesis in mouse ovarian follicles. Reprod Toxicol 2019; 91:101-108. [PMID: 31693920 DOI: 10.1016/j.reprotox.2019.10.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/17/2019] [Accepted: 10/22/2019] [Indexed: 12/21/2022]
Abstract
The reaction between disinfectants and organic matter or inorganic matter in source water generates disinfection by-products (DBPs) such as iodoacetic acid (IAA). DBPs are associated with health effects such as bladder cancer and adverse reproductive outcomes, but the effects of IAA on the ovary are not well known. This study determined whether IAA exposure affects ovarian follicle growth, steroidogenesis, and expression of apoptotic factors, cell cycle regulators, estrogen receptors, and steroidogenic factors in vitro. IAA exposure significantly decreased follicle growth, expression of cell cycle stimulators, and the proliferation marker Ki67. In contrast, IAA increased expression of the cell cycle inhibitor Cdkn1a. Moreover, IAA exposure increased expression of pro-apoptotic factors, whereas it decreased expression of anti-apoptotic factors. IAA exposure also altered expression of steroidogenic factors and estrogen receptors, disrupting steroidogenesis. These data demonstrate that IAA exposure inhibits follicle growth, decreases cell proliferation, and alters steroidogenesis in mouse ovarian follicles in vitro.
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Affiliation(s)
| | - Daryl D Meling
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, USA
| | - Liying Gao
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, USA
| | - Michael J Plewa
- Department of Crop Sciences and the Safe Global Water Institute, University of Illinois, Urbana, IL, USA
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, USA.
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14
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Wang J, Jia R, Zheng X, Liu R, Zong W. Superoxide dismutase response and the underlying molecular mechanism induced by iodoacetic acid. CHEMOSPHERE 2019; 234:513-519. [PMID: 31229712 DOI: 10.1016/j.chemosphere.2019.06.108] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 05/24/2019] [Accepted: 06/14/2019] [Indexed: 06/09/2023]
Abstract
Given the ubiquity of iodinated disinfection by-products (I-DBPs) in drinking water and their prominent toxicity, it is of vital significance to evaluate I-DBPs toxicity and explore the underlying mechanism. The toxicity of iodoacetic acid (IAA), a typical type of I-DBPs, might be linked with oxidative stress. However, it remains unknown for the response of antioxidant enzyme superoxide dismutase (SOD) in the mouse primary hepatocytes when exposed to IAA and the underlying mechanism. This study explored SOD response to IAA and the underlying mechanisms at the molecular and cellular levels. Under IAA exposure, the observed increase of SOD activity in the hepatocytes was caused by the increase of SOD production via ROS stimulation and the increase of SOD molecular activity. Molecular experiments showed that IAA binds to SOD molecule mainly via electrostatic forces with one binding site around the active site and six binding sites in the surface of protein. The binding interaction leads to the conformational changes of SOD and the disruption of protein aggregates. This work could offer basic data for the comprehensive understanding of the adverse effects of IAA and references for assessing the harmful effects of DBPs.
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Affiliation(s)
- Jing Wang
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai, 264005, PR China.
| | - Rui Jia
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai, 264005, PR China
| | - Xiaolin Zheng
- School of Environmental and Material Engineering, Yantai University, 30# Qingquan Road, Yantai, 264005, PR China
| | - Rutao Liu
- School of Environmental Science and Engineering, Shandong University, China -America CRC for Environment & Health, 72# Jimo Binhai Road, Qingdao, Shandong, 266237, PR China
| | - Wansong Zong
- College of Population, Resources and Environment, Shandong Normal University, 88# East Wenhua Road, Jinan, 250014, PR China
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15
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Piao X, Liu Z, Li Y, Yao D, Sun L, Wang B, Ma Y, Wang L, Zhang Y. Investigation of the effect for bisphenol A on oxidative stress in human hepatocytes and its interaction with catalase. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 221:117149. [PMID: 31153119 DOI: 10.1016/j.saa.2019.117149] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 06/09/2023]
Abstract
Bisphenol A (BPA) as a chemical raw material, is widely used in the manufacturing process of daily necessities. It was reported that BPA could induce oxidative stress, and catalase (CAT) can protect the body from oxidative stress. In this paper, the effect of BPA on CAT was carried out in vitro and in vivo. Firstly, we studied the effects of BPA on oxidative stress, cell viability and CAT activity in human hepatocytes, and the results of vitro experiments show that the survival rate of hepatocytes significant decreased along with the increase of BPA concentration. And when the BPA concentration was 100 μM, the hepatocyte survival decreased by 13.2%, ROS levels in the cells increased by 85%. However, the activity of intracellular CAT increased with the increasing concentration of BPA in 24 h. The results of vivo experiments showed that the activity of CAT in the high-dose group decreased by 29.1% compared with the control group. The long-term effects of BPA on rats reduced the CAT activity in liver, which reduced the resistance to oxidative stress. Meanwhile, the interaction mechanism between BPA and CAT at the molecule level was performed via multiple spectra methods and molecular docking, and the results illustrated that the structural change of CAT is mainly due to the strong combination of BPA with the residues of Trp185. In addition, the interaction mechanism between BPA and CAT were hydrophobic and electrostatic effect. This study provided experimental evidence for better understanding the toxicity of BPA.
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Affiliation(s)
- Xianmei Piao
- Department of Pharmacology, State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Medicine Research, Ministry of Education, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China
| | - Zhongrui Liu
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China
| | - Yangyang Li
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China
| | - Dahong Yao
- Department of Medicinal Chemistry, College of Pharmacy, Shenzhen University, Nanhai Road 3688, Nanshan District, Shenzhen, Guangdong 518060, PR China
| | - Liwen Sun
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China
| | - Baihui Wang
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China
| | - Yan Ma
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China
| | - Libo Wang
- Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China.
| | - Yan Zhang
- Department of Pharmacology, State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Medicine Research, Ministry of Education, College of Pharmacy, Harbin Medical University, Baojian Road 157, Nangang District, Harbin 150081, PR China.
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16
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Chaves RS, Guerreiro CS, Cardoso VV, Benoliel MJ, Santos MM. Hazard and mode of action of disinfection by-products (DBPs) in water for human consumption: Evidences and research priorities. Comp Biochem Physiol C Toxicol Pharmacol 2019; 223:53-61. [PMID: 31136853 DOI: 10.1016/j.cbpc.2019.05.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 05/19/2019] [Accepted: 05/22/2019] [Indexed: 11/15/2022]
Abstract
Disinfection of water system is an essential strategy to protect human health from pathogens and prevent their regrowth during water distribution, but the reaction of disinfectant agents with organic matter can lead to the formation of disinfection by-products (DBPs). Given their widespread occurrence, potential human health impacts and (eco)toxicity associated with exposure to DBPs are of particular interest due to their potential carcinogenicity and vary non-carcinogenic effects, such as endocrine disruption. Understanding the public health implications of this emerging issue is crucial for societies and decision-makers, supporting more effective water safety plans. Here, we review the recent literature on the effects of DBPs presented in drinking water and treated swimming pools water, focusing particularly in unregulated compounds and the putative underlying mode of action, linking the available data with adverse health outcomes. Overall, the majority of studies highlight the limited knowledge in the understanding of the underlying mode of action of DBPs. Yet, available evidences indicate that different signaling pathways seem to be involved in the adverse outcomes associated with distinct DBPs classes. The main knowledge gaps in this field are also identified, and future research priorities discussed.
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Affiliation(s)
- Raquel S Chaves
- Institute of Environmental Health, Faculty of Medicine, University of Lisbon, Lisbon, Portugal; EPAL- Empresa Portuguesa das Águas Livres, S.A., Direção Laboratórios e de Controlo da Qualidade da Água, Lisbon, Portugal; CIMAR/CIIMAR, LA- Interdisciplinary Centre of Marine and Environmental Research, Group of Endocrine Disruptors and Emerging Contaminants, University of Porto, Matosinhos, Portugal.
| | - Catarina S Guerreiro
- Laboratory of Nutrition, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Vítor V Cardoso
- EPAL- Empresa Portuguesa das Águas Livres, S.A., Direção Laboratórios e de Controlo da Qualidade da Água, Lisbon, Portugal
| | - Maria J Benoliel
- EPAL- Empresa Portuguesa das Águas Livres, S.A., Direção Laboratórios e de Controlo da Qualidade da Água, Lisbon, Portugal
| | - Miguel M Santos
- CIMAR/CIIMAR, LA- Interdisciplinary Centre of Marine and Environmental Research, Group of Endocrine Disruptors and Emerging Contaminants, University of Porto, Matosinhos, Portugal; FCUP - Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
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17
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Li W, Li Y, Zhang X, Han J, Zhu X, Choi KC, Jiang J. Conversion of haloacid disinfection byproducts to amino acids via ammonolysis. CHEMOSPHERE 2019; 224:351-359. [PMID: 30826705 DOI: 10.1016/j.chemosphere.2019.02.133] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 06/09/2023]
Abstract
Haloacetic acids (HAAs) are the major disinfection byproducts (DBPs) that are formed during chlorination of drinking water. In this paper, the conversion of HAAs to amino acids (e.g., glycine) via ammonolysis was studied. First, a new and sensitive method for detecting glycine was developed by setting selected ion recording m/z 76 in positive electrospray ionization mass spectrometry coupled with ultra performance liquid chromatography. Second, among the mono-HAAs under the same test conditions, iodoacetic acid (49.3%) showed a considerably higher conversion to glycine during ammonolysis than chloroacetic acid (4.2%) and bromoacetic acid (27.7%). The conversion of iodoacetic acid to glycine increased with increasing temperature, increasing reaction time, or decreasing the ratio of (NH4)2CO3 to NH3·H2O in the aminating agent. Hydrolysis of iodoacetic acid to glycolic acid was also observed during ammonolysis, and it accounted for at most 50% of the iodoacetic acid conversion. The conversion to amino acids and the hydrolysis were the two major pathways during ammonolysis of HAAs. Third, compared with the iodoacetic acid sample and the simulated tap water sample without ammonolysis, the developmental toxicity of the corresponding samples with ammonolysis decreased by up to 10.4% and 32.1%, respectively. The ammonolysis was thus demonstrated to be a detoxification process for both individual HAAs and DBP mixture in chlorinated tap water. In practice, the ammonolysis of haloacid DBPs in tap water may be realized by simply adding an appropriate amount of an aminating agent during cooking.
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Affiliation(s)
- Wanxin Li
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Yu Li
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Xiangru Zhang
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China.
| | - Jiarui Han
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Xiaohu Zhu
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Ka Chun Choi
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Jingyi Jiang
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China
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