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Talukder M, Bi SS, Lv MW, Ge J, Zhang C, Li JL. Involvement of the heat shock response (HSR) regulatory pathway in cadmium-elicited cerebral damage. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:106648-106659. [PMID: 37730984 DOI: 10.1007/s11356-023-29880-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 09/10/2023] [Indexed: 09/22/2023]
Abstract
The heat shock response (HSR) is a cellular protective mechanism that is characterized by the induction of heat shock transcription factors (HSFs) and heat shock proteins (HSPs) in response to diverse cellular and environmental stressors, including cadmium (Cd). However, little is known about the relationship between the damaging effects of Cd and the HSR pathway in the chicken cerebrum following Cd exposure. To explore whether Cd exposure elicits cerebral damage and triggers the HSR pathway, chicks were exposed to Cd in the daily diet at different concentrations (35, 70, or 140 mg/kg feed) for 90 days, while a control group was fed the standard diet without Cd. Histopathological examination of cerebral tissue from Cd-exposed chickens showed neuronal damage, as evidenced by swelling and degeneration of neurons, loss of neurons, and capillary damage. Cd exposure significantly increased mRNA expression of HSF1, HSF2, and HSF3, and mRNA and protein expression of three major stress-inducible HSPs (HSP60, HSP70, and HSP90). Moreover, Cd exposure differentially modulated mRNA expression of small HSP (sHSPs), most notably reducing expression of HSP27 (HSPB1). Furthermore, Cd exposure increased TUNEL-positive neuronal apoptotic cells and up-regulated protein expression of caspase-1, caspase-8, caspase-3, and p53, leading to apoptosis. Taken together, these data demonstrate that activation of the HSR and apoptotic pathways by Cd exposure is involved in Cd-elicited cerebral damage in the chicken. Synopsis for the graphical abstract Cadmium (Cd)-induced neuronal damage triggers the heat shock response (HSR) by activating heat shock transcription factors (HSFs) and subsequent induction of major heat shock proteins (notably, HSP60, HSP70, and HSP90). Moreover, Cd exposure activates caspase-1, caspase-8, caspase-3, and p53 protein, thereby resulting in neuronal apoptosis in the chicken brain.
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Affiliation(s)
- Milton Talukder
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
- Department of Physiology and Pharmacology, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal, 8210, Bangladesh
| | - Shao-Shuai Bi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
- College of Biological and Pharmaceutical Engineering, West Anhui University, Luan, 237012, People's Republic of China
| | - Mei-Wei Lv
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Jing Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Cong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
- College of Veterinary Medicine, Henan Agricultural University, 450046, Zhengzhou, Henan, People's Republic of China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
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Song B, Zhang Y, Xiong G, Luo H, Zhang B, Li Y, Wang Z, Zhou Z, Chang X. Single-cell transcriptomic analysis reveals the adverse effects of cadmium on the trajectory of neuronal maturation. Cell Biol Toxicol 2023; 39:1697-1713. [PMID: 36114956 DOI: 10.1007/s10565-022-09775-5] [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: 06/27/2022] [Accepted: 09/07/2022] [Indexed: 11/28/2022]
Abstract
Cadmium (Cd) is an extensively existing environmental pollutant that has neurotoxic effects. However, the molecular mechanism of Cd on neuronal maturation is unveiled. Single-cell RNA sequencing (scRNA-seq) has been widely used to uncover cellular heterogeneity and is a powerful tool to reconstruct the developmental trajectory of neurons. In this study, neural stem cells (NSCs) from subventricular zone (SVZ) of newborn mice were treated with CdCl2 for 24 h and differentiated for 7 days to obtain neuronal lineage cells. Then scRNA-seq analysis identified five cell stages with different maturity in neuronal lineage cells. Our findings revealed that Cd altered the trajectory of maturation of neuronal lineage cells by decreasing the number of cells in different stages and hindering their maturation. Cd induced differential transcriptome expression in different cell subpopulations in a stage-specific manner. Specifically, Cd induced oxidative damage and changed the proportion of cell cycle phases in the early stage of neuronal development. Furthermore, the autocrine and paracrine signals of Wnt5a were downregulated in the low mature neurons in response to Cd. Importantly, activation of Wnt5a effectively rescued the number of neurons and promoted their maturation. Taken together, the findings of this study provide new and comprehensive insights into the adverse effect of Cd on neuronal maturation.
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Affiliation(s)
- Bo Song
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Yuwei Zhang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Guiya Xiong
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Huan Luo
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Bing Zhang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Yixi Li
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Zhibin Wang
- Faculty of Pharmaceutical Sciences, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, 518055, China
| | - Zhijun Zhou
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China
| | - Xiuli Chang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, 200032, China.
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Matsushita MT, Wang H, Abel GM, Xia Z. Inducible and Conditional Activation of Adult Neurogenesis Rescues Cadmium-Induced Hippocampus-Dependent Memory Deficits in ApoE4-KI Mice. Int J Mol Sci 2023; 24:9118. [PMID: 37298071 PMCID: PMC10253189 DOI: 10.3390/ijms24119118] [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: 04/19/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
The apolipoprotein E (ApoE) gene is a genetic risk factor for late-onset Alzheimer's disease, in which ε4 allele carriers have increased risk compared to the common ε3 carriers. Cadmium (Cd) is a toxic heavy metal and a potential neurotoxicant. We previously reported a gene-environment interaction (GxE) effect between ApoE4 and Cd that accelerates or increases the severity of the cognitive decline in ApoE4-knockin (ApoE4-KI) mice exposed to 0.6 mg/L CdCl2 through drinking water compared to control ApoE3-KI mice. However, the mechanisms underlying this GxE effect are not yet defined. Because Cd impairs adult neurogenesis, we investigated whether genetic and conditional stimulation of adult neurogenesis can functionally rescue Cd-induced cognitive impairment in ApoE4-KI mice. We crossed either ApoE4-KI or ApoE3-KI to an inducible Cre mouse strain, Nestin-CreERTM:caMEK5-eGFPloxP/loxP (designated as caMEK5), to generate ApoE4-KI:caMEK5 and ApoE3-KI:caMEK5. Tamoxifen administration in these mice genetically and conditionally induces the expression of caMEK5 in adult neural stem/progenitor cells, enabling the stimulation of adult neurogenesis in the brain. Male ApoE4-KI:caMEK5 and ApoE3-KI:caMEK5 mice were exposed to 0.6 mg/L CdCl2 throughout the experiment, and tamoxifen was administered once Cd-induced impairment in spatial working memory was consistently observed. Cd exposure impaired spatial working memory earlier in ApoE4-KI:caMEK5 than in ApoE3-KI:caMEK5 mice. In both strains, these deficits were rescued after tamoxifen treatment. Consistent with these behavioral findings, tamoxifen treatment enhanced adult neurogenesis by increasing the morphological complexity of adult-born immature neurons. These results provide evidence for a direct link between impaired spatial memory and adult neurogenesis in this GxE model.
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Affiliation(s)
| | | | | | - Zhengui Xia
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA 98105, USA
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Bi SS, Talukder M, Sun XT, Lv MW, Ge J, Zhang C, Li JL. Cerebellar injury induced by cadmium via disrupting the heat-shock response. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:22550-22559. [PMID: 36301385 DOI: 10.1007/s11356-022-23771-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Cadmium (Cd) is a food contaminant that poses serious threats to animal health, including birds. It is also an air pollutant with well-known neurotoxic effects on humans. However, knowledge on the neurotoxic effects of chronic Cd exposure on chicken is limited. Thus, this study assessed the neurotoxic effects of chronic Cd on chicken cerebellum. Chicks were exposed to 0 (control), 35 (low), and 70 (high) mg/kg of Cd for 90 days, and the expression of genes related to the heat-shock response was investigated. The chickens showed clinical symptoms of ataxia, and histopathology revealed that Cd exposure decreased the number of Purkinje cells and induced degeneration of Purkinje cells with pyknosis, and some dendrites were missing. Moreover, Cd exposure increased the expression of heat-shock factors, HSF1, HSF2, and HSF3, and heat-shock proteins, HSP60, HSP70, HSP90, and HSP110. These changes indicate that HSPs improve the tolerance of the cerebellum to Cd. Conversely, the expressions of HSP10, HSP25, and HSP40 were decreased significantly, which indicated that Cd inhibits the expression of small heat-shock proteins. However, HSP27 and HSP47 were upregulated following low-dose Cd exposure, but downregulated under high-dose Cd exposure. This work sheds light on the toxic effects of Cd on the cerebellum, and it may provide evidence for health risks posed by Cd. Additionally, this work also identified a novel target of Cd exposure in that Cd induces cerebellar injury by disrupting the heat-shock response. Cd can be absorbed into chicken's cerebellum through the food chain, which eventually caused cerebellar injury. This study provided a new insight that chronic Cd-induced neurotoxicity in the cerebellum is associated with alterations in heat-shock response-related genes, which indicated that Cd through disturbing heat-shock response induced cerebellar injury.
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Affiliation(s)
- Shao-Shuai Bi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu'an, 237012, People's Republic of China
| | - Milton Talukder
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
- Department of Physiology and Pharmacology, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal, 8210, Bangladesh
| | - Xue-Tong Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Mei-Wei Lv
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Jing Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Cong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, People's Republic of China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
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Wang H, Sun S, Ren Y, Yang R, Guo J, Zong Y, Zhang Q, Zhao J, Zhang W, Xu W, Guan S, Xu J. Selenite Ameliorates Cadmium-induced Cytotoxicity Through Downregulation of ROS Levels and Upregulation of Selenoprotein Thioredoxin Reductase 1 in SH-SY5Y Cells. Biol Trace Elem Res 2023; 201:139-148. [PMID: 35066751 DOI: 10.1007/s12011-022-03117-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 01/12/2022] [Indexed: 01/20/2023]
Abstract
Cadmium (Cd) as a ubiquitous toxic heavy metal in the environment, causes severe hazards to human health, such as cellular stress and organ injury. Selenium (Se) was reported to reduce Cd toxicity and the mechanisms have been intensively studied so far. However, it is not yet crystal clear whether the protective effect of Se against Cd-induced cytotoxicity is related to selenoproteins in nerve cells or not. In this study, we found that Cd inhibited selenoprotein thioredoxin reductase 1 (TrxR1; TXNRD1) and decreased the expression level of TrxR1, resulting in cellular oxidative stress, and Se supplements ameliorated Cd-induced cytotoxicity in SH-SY5Y cells. Mechanistically, the detoxification of Se against Cd is attributed to the increase of the cellular TrxR activity and upregulated TrxR1 protein level, culminating in strengthened antioxidant capacity. Results showed that Se supplements attenuated the ROS production and apoptosis in SH-SY5Y cells, and significantly mitigated Cd-induced SH-SY5Y cell death. This study may be a valuable reference for shedding light on the mechanism of Cd-induced cytotoxicity and the role of TrxR1 in Se-mitigated cytotoxicity of Cd in neuroblast cells, which may be helpful for understanding the therapeutic potential of Cd and Se in treating or preventing neurodegenerative diseases, like Alzheimer's disease (AD) and Parkinson's disease (PD).
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Affiliation(s)
- Hecheng Wang
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Shibo Sun
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Yan Ren
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Rui Yang
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Jianli Guo
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Yu Zong
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Qiuxian Zhang
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Jing Zhao
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China
| | - Wei Zhang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453000, China
| | - Weiping Xu
- School of Ocean Science and Technology (OST), Dalian University of Technology, Panjin, 124221, China
| | - Shui Guan
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
- Research & Educational Center for the Control Engineering of Translational Precision Medicine, School of Biomedical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jianqiang Xu
- School of Life and Pharmaceutical Sciences (LPS) & Panjin Institute of Industrial Technology (PIIT), Dalian University of Technology, Panjin, 124221, China.
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Determination of the Heavy Metal Bioaccumulation Patterns in Muscles of Two Species of Mullets from the Southern Caspian Sea. Animals (Basel) 2022; 12:ani12202819. [PMID: 36290205 PMCID: PMC9597724 DOI: 10.3390/ani12202819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 11/18/2022] Open
Abstract
Simple Summary Fish are an important source of proteins of a high biological value, of some vitamins and minerals, and of polyunsaturated omega-3 fatty acids. However, fish products can also allow harmful substances, like heavy metals, to enter the diet. Such substances are recognized as being the most serious contaminants for aquatic ecosystems at the present time. Their non-biodegradability allows them to accumulate in fish tissues, and then pass into human diets. Therefore, our study aimed to determine the concentrations of heavy metals (As, Cd, Cu, Hg, Ni, Pb, and Zn), and to evaluate the bioaccumulation patterns in the different types of musculature in two species of fish of commercial interest, Chelon auratus and Chelon saliens, from the south coast of the Caspian Sea. The results obtained emphasize the need to continue to monitor and evaluate the degree of pollution in the sampled area, both in fish and other species and also in the environment, as well as recommending prevention measures orientated towards limiting and/or reducing the excessive exposure of the human population to heavy metal contamination. Abstract Although fish is a food that supplies nutrients of a high biological value, they can also be a source of some harmful substances, such as heavy metals. In the same context, some human activities in the Caspian Sea have contaminated this ecosystem during the past few years. For those reasons, our objective consisted of determining the concentrations of heavy metals and evaluating their bioaccumulation patterns in the different types of musculature in two species of mullets of commercial interest, Chelon auratus and Chelon saliens, from the southern coast of this sea. For this purpose, 20 C. auratus and 29 C. saliens were caught off this coastline and the metal concentrations in 3 different muscle locations were analyzed: the ventral, dorsal and caudal muscles of each fish. The caudal muscle had higher concentrations of Cd, Cu, Pb, and Zn, whereas As, Hg and Ni accumulation seemed to be independent of the musculature type. Overall, the Cd, Hg, and Pb concentrations exceeded the maximum levels permitted in fish by the European Union. In addition, the relationships between pairs of metals were positive and elevated in all the cases, which could be a sign of heavy metal pollution in the region sampled. Therefore, it will be necessary to continue monitoring and evaluating the degree of pollution in the Caspian Sea.
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Treviño S, Pulido G, Fuentes E, Handal-Silva A, Moreno-Rodríguez A, Venegas B, Flores G, Guevara J, Díaz A. Effect of cadmium administration on the antioxidant system and neuronal death in the hippocampus of rats. Synapse 2022; 76:1-16. [PMID: 35709361 DOI: 10.1002/syn.22242] [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: 12/09/2021] [Revised: 05/12/2022] [Accepted: 05/30/2022] [Indexed: 11/12/2022]
Abstract
Cadmium (Cd) is a heavy metal classified as a carcinogen whose exposure could affect the function of the central nervous system. Studies suggest that Cd modifies neuronal morphology in the hippocampus and affects cognitive tasks. The oxidative stress pathway is proposed as a mechanism of toxicity. However, this mechanism is not precise yet. This study aimed to evaluate the effect of Cd administration on oxidative stress markers in the male rat's hippocampus. Male Wistar rats were divided into (1) control (drinking water) and (2) treatment with Cd (32.5 ppm of cadmium chloride (CdCl2 ) in water). The Cd was administered for 2, 3, and 4 months. The results show that the oral administration of CdCl2 increased the concentration of Cd in plasma and hippocampus, and this response is time-dependent on its administration. Likewise, it caused an increase in lipid peroxidation and nitrosative stress markers. Moreover, it increased reactive astrogliosis and antioxidant enzyme activity. Consequently, the progression of the oxidative response exacerbated neurodegeneration in hippocampal cells. Our results suggest that Cd exposure induces a severe oxidative response that contributes critically to hippocampal neurodegeneration. It is suggested that exposure to Cd increases the risk of developing neurological diseases, which contributes to a decrease in the quality of life of the human and the environment in which it lives.
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Affiliation(s)
- Samuel Treviño
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Guadalupe Pulido
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Estefania Fuentes
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Anabella Handal-Silva
- Department of Biology and Reproductive Toxicology, Science Institute, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Albino Moreno-Rodríguez
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Berenice Venegas
- Biological Sciences Faculty, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Gonzalo Flores
- Neuropsychiatry Laboratory, Institute of Physiology, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Jorge Guevara
- Faculty of Medicine, Department of Biochemistry, National Autonomous University of Mexico, Mexico City, Mexico
| | - Alfonso Díaz
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
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Li T, Dong S, He C, Yang J, Li W, Li S, Li J, Du X, Hou Z, Li L, Li S, Huang Z, Sun T. Apoptosis, rather than neurogenesis, induces significant hippocampal-dependent learning and memory impairment in chronic low Cd 2+ exposure. ENVIRONMENTAL TOXICOLOGY 2022; 37:814-824. [PMID: 34989457 DOI: 10.1002/tox.23445] [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: 10/14/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Cadmium (Cd), a ubiquitous toxic heavy metal, with the intractable trait of low degradation, can induce multiple organ damage. Whereas, far less is known about its neurotoxicity and the specific mechanism in the chronic low Cd exposure. To investigate the chronic neurotoxicity of Cd2+ , we traced its effects for up to 30 months in mice which were exposed to Cd2+ by drinking the mimicking Cd-polluted water. We found the toxicity of chronic Cd exposure was a process associated with the transition from autophagy to apoptosis, and the switch of autophagy-apoptosis was Cd dose-dependent with the threshold of [Cd2+ ] 0.04 mg/L. Furthermore, JNK was found to be a hub molecule orchestrated the switch of autophagy-apoptosis by interacting with Sirt1 and p53. At last, the hippocampus-dependent learning and memory was damaged by continuous neuron apoptosis rather than deficit of neurogenesis. Therefore, elucidation of the effect, process, and potential molecular mechanism of the chronic low Cd2+ exposure is important for controlling of the environmental-pollutant Cd.
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Affiliation(s)
- Tianpeng Li
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of City and Architecture Engineering, Zaozhuang University, Zaozhuang, China
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, Shandong University, Qingdao, China
| | - Shuyan Dong
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of Food Science and Pharmaceutical Engineering, Zaozhuang University, Zaozhuang, China
| | - Chengjian He
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of Food Science and Pharmaceutical Engineering, Zaozhuang University, Zaozhuang, China
| | - Jing Yang
- Department of Clinical Medicine, Zhejiang University City College, Hangzhou, China
| | - Weiyun Li
- Department of Clinical Medicine, Zhejiang University City College, Hangzhou, China
| | - Shanshan Li
- Department of Clinical Medicine, Zhejiang University City College, Hangzhou, China
| | - Jing Li
- Department of Anatomy, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaoxue Du
- Translation Medicine Center, Affiliated Hangzhou First People's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhaoxia Hou
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of Food Science and Pharmaceutical Engineering, Zaozhuang University, Zaozhuang, China
| | - Luping Li
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of Food Science and Pharmaceutical Engineering, Zaozhuang University, Zaozhuang, China
| | - Songtao Li
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of Food Science and Pharmaceutical Engineering, Zaozhuang University, Zaozhuang, China
| | - Zhihui Huang
- College of Pharmacy, Hangzhou Normal University, Hangzhou, China
| | - Tingting Sun
- Zaozhuang Key Laboratory of Research in Neurodegenerative Diseases and Development of Neuropharmaceuticals, Zaozhuang University, Zaozhuang, China
- College of Food Science and Pharmaceutical Engineering, Zaozhuang University, Zaozhuang, China
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9
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Wang H, Abel GM, Storm DR, Xia Z. Adolescent cadmium exposure impairs cognition and hippocampal neurogenesis in C57BL/6 mice. ENVIRONMENTAL TOXICOLOGY 2022; 37:335-348. [PMID: 34741586 PMCID: PMC10942748 DOI: 10.1002/tox.23402] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
Cadmium (Cd) is a toxic heavy metal and a significant public health concern. Epidemiological studies suggest that Cd is a potential neurotoxicant, and its exposure is associated with cognitive deficits in children, adults, and seniors. Our previous study has found that adulthood-only Cd exposure can impair cognition in mice. However, few studies have addressed the effects of Cd exposure during adolescence on cognitive behavior in animals later in life. In the present study, we exposed 4-week-old male C57BL/6 mice to 3 mg/L Cd via drinking water for 28 weeks and assessed their hippocampus-dependent learning and memory. Cd did not affect anxiety or locomotor activity in the open field test. However, Cd exposure impaired short-term spatial memory and contextual fear memory in mice. A separate cohort of 4-week-old mice was similarly exposed to Cd for 13 weeks to investigate the potential mechanism of Cd neurotoxicity on cognition. We observed that Cd-treated mice had fewer adult-born cells, adult-born neurons, and a reduced proportion of adult-born cells that differentiated into mature neurons in the subgranular zone of the dentate gyrus. These results suggest that Cd exposure from adolescence to adulthood is sufficient to cause cognitive deficits and impair key processes of hippocampal neurogenesis in mice.
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Affiliation(s)
- Hao Wang
- Toxicology Program, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Glen M. Abel
- Toxicology Program, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Daniel R. Storm
- Department of Pharmacology, University of Washington, Seattle, WA, USA
| | - Zhengui Xia
- Toxicology Program, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
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Namgyal D, Ali S, Hussain MD, Kazi M, Ahmad A, Sarwat M. Curcumin Ameliorates the Cd-Induced Anxiety-like Behavior in Mice by Regulating Oxidative Stress and Neuro-Inflammatory Proteins in the Prefrontal Cortex Region of the Brain. Antioxidants (Basel) 2021; 10:antiox10111710. [PMID: 34829581 PMCID: PMC8614802 DOI: 10.3390/antiox10111710] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/20/2021] [Accepted: 10/20/2021] [Indexed: 12/28/2022] Open
Abstract
Age-related neurodegenerative diseases and vascular dementia are major challenges to the modern health care system. Most neurodegenerative diseases are associated with impaired spatial working memory and anxiety-like behavior. Thus, it is important to understand the underlying cellular mechanisms of neurodegenerative diseases in different regions of the brain to develop an effective therapeutic approach. In our previous research paper, we have reported the ameliorative effect of curcumin in Cd-induced hippocampal neurodegeneration. However, recently many researchers had reported the important role of the prefrontal cortex in higher cognitive functions. Therefore, to look into the cellular mechanism of curcumin protection against Cd-induced prefrontal cortex neurotoxicity, we investigated spatial working memory, anxiety-like behavior and analyzed prefrontal cortex inflammatory markers (IL-6, IL-10, and TNFα), antioxidant enzymes (SOD, GSH, and CAT), and pro-oxidant MDA level. Further, we conducted histological studies of the prefrontal cortex in Swiss albino mice exposed to cadmium (2.5 mg/kg). We observed that curcumin treatment improved the spatial working memory and anxiety-like behavior of mice through reduction of prefrontal cortex neuroinflammation and oxidative stress as well as increasing the number of viable prefrontal cortex neuronal cells. Our result suggests that environmental heavy metal cadmium can induce behavioral impairment in mice through prefrontal cortex cellular inflammation and oxidative stress. We found that curcumin has a potential therapeutic property to mitigate these behavioral and biochemical impairments induced by cadmium.
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Affiliation(s)
- Dhondup Namgyal
- Amity Institute of Neuropsychology and Neuroscience, Amity University, Noida 201303, India;
- Amity Institute of Pharmacy, Amity University, Noida 201303, India
| | - Sher Ali
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida 201310, India;
| | - Muhammad Delwar Hussain
- Department of Pharmaceutical & Biomedical Sciences, College of Pharmacy, California Health Sciences University, 120 N. Clovis Avenue, Clovis, CA 93612, USA;
| | - Mohsin Kazi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia;
| | - Ajaz Ahmad
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia;
| | - Maryam Sarwat
- Amity Institute of Pharmacy, Amity University, Noida 201303, India
- Correspondence:
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11
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Stanton JE, Malijauskaite S, McGourty K, Grabrucker AM. The Metallome as a Link Between the "Omes" in Autism Spectrum Disorders. Front Mol Neurosci 2021; 14:695873. [PMID: 34290588 PMCID: PMC8289253 DOI: 10.3389/fnmol.2021.695873] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/14/2021] [Indexed: 12/26/2022] Open
Abstract
Metal dyshomeostasis plays a significant role in various neurological diseases such as Alzheimer's disease, Parkinson's disease, Autism Spectrum Disorders (ASD), and many more. Like studies investigating the proteome, transcriptome, epigenome, microbiome, etc., for years, metallomics studies have focused on data from their domain, i.e., trace metal composition, only. Still, few have considered the links between other "omes," which may together result in an individual's specific pathologies. In particular, ASD have been reported to have multitudes of possible causal effects. Metallomics data focusing on metal deficiencies and dyshomeostasis can be linked to functions of metalloenzymes, metal transporters, and transcription factors, thus affecting the proteome and transcriptome. Furthermore, recent studies in ASD have emphasized the gut-brain axis, with alterations in the microbiome being linked to changes in the metabolome and inflammatory processes. However, the microbiome and other "omes" are heavily influenced by the metallome. Thus, here, we will summarize the known implications of a changed metallome for other "omes" in the body in the context of "omics" studies in ASD. We will highlight possible connections and propose a model that may explain the so far independently reported pathologies in ASD.
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Affiliation(s)
- Janelle E Stanton
- Department of Biological Sciences, University of Limerick, Limerick, Ireland.,Bernal Institute, University of Limerick, Limerick, Ireland
| | - Sigita Malijauskaite
- Bernal Institute, University of Limerick, Limerick, Ireland.,Department of Chemical Sciences, University of Limerick, Limerick, Ireland
| | - Kieran McGourty
- Bernal Institute, University of Limerick, Limerick, Ireland.,Department of Chemical Sciences, University of Limerick, Limerick, Ireland.,Health Research Institute, University of Limerick, Limerick, Ireland
| | - Andreas M Grabrucker
- Department of Biological Sciences, University of Limerick, Limerick, Ireland.,Bernal Institute, University of Limerick, Limerick, Ireland.,Health Research Institute, University of Limerick, Limerick, Ireland
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12
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Abstract
With extensive use in industrial and agriculture applications, overexposure to heavy metals has become a global public health concern. The nervous system is vulnerable to many heavy metals, including cadmium, lead, and mercury. However, the knowledge about the underlying mechanisms of these metals' neurotoxicity is still very limited. Adult neurogenesis is a process of generating functional neurons from adult neural progenitor/stem cells (aNPCs), which plays an important role in cognitive function and olfaction. The studies of adult neurogenesis provide new insights into mechanisms of heavy metal neurotoxicity. This review summarizes the current research about the effects of heavy metals on adult neurogenesis and discusses their importance in understanding the mechanisms of heavy metals neurotoxicity, as well as challenges and future directions.
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Affiliation(s)
- Hao Wang
- Toxicology Program, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Megumi T. Matsushita
- Toxicology Program, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
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13
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Luo H, Song B, Xiong G, Zhang B, Zuo Z, Zhou Z, Chang X. Cadmium inhibits neural stem/progenitor cells proliferation via MitoROS-dependent AKT/GSK-3β/β-catenin signaling pathway. J Appl Toxicol 2021; 41:1998-2010. [PMID: 33977565 DOI: 10.1002/jat.4179] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 01/18/2023]
Abstract
Cadmium (Cd) is a toxic heavy metal widely found in the environment. Cd is also a potential neurotoxicant, and its exposure is associated with impairment of cognitive function. However, the underlying mechanisms by which Cd induces neurotoxicity are unclear. In this study, we investigated the in vitro effect of Cd on primary murine neural stem/progenitor cells (mNS/PCs) isolated from the subventricular zone. Our results show that Cd exposure leads to mNS/PCs G1/S arrest, promotes cell apoptosis, and inhibits cell proliferation. In addition, Cd increases intracellular and mitochondrial reactive oxygen species (ROS) that activates mitochondrial oxidative stress, decreases ATP production, and increases mitochondrial proton leak and glycolysis rate in a dose-dependent manner. Furthermore, Cd exposure decreases phosphorylation of protein kinase B (AKT) and glycogen synthase kinase-3 beta (GSK3β) in mNS/PCs. In addition, pretreatment mNS/PCs with MitoTEMPO, a mitochondrial-targeted antioxidant, improves mitochondrial morphology and functions and attenuates Cd-induced inhibition of mNS/PCs proliferation. It also effectively reverses Cd-induced changes of phosphorylation of AKT and the expression of β-catenin and its downstream genes. Taken together, our data suggested that AKT/GSK3β/β-catenin signaling pathway is involved in Cd-induced mNS/PCs proliferation inhibition via MitoROS-dependent pattern.
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Affiliation(s)
- Huan Luo
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Bo Song
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Guiya Xiong
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Bing Zhang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Zhenzi Zuo
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Zhijun Zhou
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
| | - Xiuli Chang
- School of Public Health and Key Laboratory of Public Health Safety of the Ministry of Education, Fudan University, Shanghai, China
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Inducible and conditional activation of ERK5 MAP kinase rescues mice from cadmium-induced olfactory memory deficits. Neurotoxicology 2020; 81:127-136. [PMID: 33039505 DOI: 10.1016/j.neuro.2020.09.038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/29/2020] [Accepted: 09/29/2020] [Indexed: 12/14/2022]
Abstract
Cadmium (Cd) is a heavy metal that is one of the most toxic environmental pollutants throughout the world. We previously reported that Cd exposure impairs olfactory memory in mice. However, the underlying mechanisms for its neurotoxicity for olfactory function are not well understood. Since adult Subventricular zone (SVZ) and Olfactory Bulb (OB) neurogenesis contributes to olfaction, olfactory memory defects caused by Cd may be due to inhibition of neurogenesis. In this study, using bromodeoxyuridine (BrdU) labeling and immunohistochemistry, we found that 0.6 mg/L Cd exposure through drinking water impaired adult SVZ/OB neurogenesis in C57BL/6 mice. To determine if the inhibition of olfactory memory by Cd can be reversed by stimulating adult neurogenesis, we utilized the transgenic caMEK5 mouse strain to conditional stimulate of adult neurogenesis by activating the endogenous ERK5 MAP kinase signaling pathway. This was accomplished by conditionally induced expression of active MEK5 (caMEK5) in adult neural stem/progenitor cells. The caMEK5 mice were exposed to 0.6 mg/L Cd for 38 weeks, and tamoxifen was administered to induce caMEK5 expression and stimulate adult SVZ/OB neurogenesis during Cd exposure. Short-term olfactory memory test and sand-digging based, odor-cued olfactory learning and memory test were conducted after Cd and tamoxifen treatments to examine their effects on olfaction. Here we report that Cd exposure impaired short-term olfactory memory and odor-cued associative learning and memory in mice. Furthermore, the Cd-impaired olfactory memory deficits were rescued by the tamoxifen-induction of caMEK5 expression. This suggests that Cd exposure impairs olfactory function by affecting adult SVZ/OB neurogenesis in mice.
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Wang H, Matsushita MT, Zhang L, Abel GM, Mommer BC, Huddy TF, Storm DR, Xia Z. Inducible and Conditional Stimulation of Adult Hippocampal Neurogenesis Rescues Cadmium-Induced Impairments of Adult Hippocampal Neurogenesis and Hippocampus-Dependent Memory in Mice. Toxicol Sci 2020; 177:263-280. [PMID: 32617577 PMCID: PMC7553705 DOI: 10.1093/toxsci/kfaa104] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Cadmium (Cd) is a heavy metal and an environmental pollutant. However, the full spectrum of its neurotoxicity and the underlying mechanisms are not completely understood. Our previous studies demonstrated that Cd exposure impairs adult hippocampal neurogenesis and hippocampus-dependent memory in mice. This study aims to determine if these adverse effects of Cd exposure can be mitigated by genetically and conditionally enhancing adult neurogenesis. To address this issue, we utilized the transgenic constitutive active MEK5 (caMEK5) mouse strain we previously developed and characterized. This mouse strain enables us to genetically and conditionally activate adult neurogenesis by administering tamoxifen to induce expression of a caMEK5 in adult neural stem/progenitor cells, which stimulates adult neurogenesis through activation of the endogenous extracellular signal-regulated kinase 5 mitogen-activated protein kinase pathway. The caMEK5 mice were exposed to 0.6 mg/l Cd through drinking water for 38 weeks. Once impairment of memory was confirmed, tamoxifen was administered to induce caMEK5 expression and to activate adult neurogenesis. Behavior tests were conducted at various time points to monitor hippocampus-dependent memory. Upon completion of the behavior tests, brain tissues were collected for cellular studies of adult hippocampal neurogenesis. We report here that Cd impaired hippocampus-dependent spatial memory and contextual fear memory in mice. These deficits were rescued by the tamoxifen induction of caMEK5 expression. Furthermore, Cd inhibition of adult hippocampal neurogenesis was also reversed. This rescue experiment provides strong evidence for a direct link between Cd-induced impairments of adult hippocampal neurogenesis and hippocampus-dependent memory.
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Affiliation(s)
- Hao Wang
- Toxicology Program, Department of Environmental and Occupational Health Sciences
| | - Megumi T Matsushita
- Toxicology Program, Department of Environmental and Occupational Health Sciences
| | - Liang Zhang
- Toxicology Program, Department of Environmental and Occupational Health Sciences
| | - Glen M Abel
- Toxicology Program, Department of Environmental and Occupational Health Sciences
| | - Brett C Mommer
- Toxicology Program, Department of Environmental and Occupational Health Sciences
| | | | - Daniel R Storm
- Department of Pharmacology, University of Washington, Seattle, Washington 98195
| | - Zhengui Xia
- Toxicology Program, Department of Environmental and Occupational Health Sciences
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Chen S, Luo T, Yu Q, Dong W, Zhang H, Zou H. Isoorientin plays an important role in alleviating Cadmium-induced DNA damage and G0/G1 cell cycle arrest. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 187:109851. [PMID: 31670181 DOI: 10.1016/j.ecoenv.2019.109851] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/09/2019] [Accepted: 10/21/2019] [Indexed: 06/10/2023]
Abstract
Cadmium is a heavy metal pollutant that has been reported to cause oxidative stress, apoptosis, and autophagy in cells, while the flavone isoorientin is a traditional Chinese medicine extract that has proven antioxidant and anti-inflammatory properties. Accordingly, in this study we used the rat proximal tubular cell line NRK-52E and primary rat proximal tubular (rPT) cells as models to investigate the effects of isoorientin against Cadmium-induced cell injury and the mechanism of these effects. Comet assay, Western blot, flow cytometry, immunofluorescence, and transmission electron microscopy were used to evaluate cell damage and cell-cycle-related protein expression. Furthermore, real-time cell analysis, cell-counting kit-8, and ELISA were used to investigate the role of isoorientin in Cadmium-induced cell injury. The results revealed that treatment of rat renal tubular epithelial cells with 2.5 μM Cd for 12 h resulted in DNA damage and G0/G1 cell cycle arrest, while isoorientin attenuated this Cd-induced damage.
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Affiliation(s)
- Shihao Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Institute of Epigenetics and Epigenomics, Yangzhou University, 48 East Wenhui Road, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China
| | - Tongwang Luo
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China
| | - Qi Yu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China
| | - Wenxuan Dong
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China
| | - Huiyan Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China
| | - Hui Zou
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, PR China.
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