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Li X, Long J, Yao C, Liu X, Li N, Zhou Y, Li D, Xiong G, Wang K, Hao Y, Chen K, Zhou Z, Ji A, Luo P, Cai T. The role of BTG2/PI3K/AKT pathway-mediated microglial activation in T-2 toxin-induced neurotoxicity. Toxicol Lett 2024:S0378-4274(24)01072-5. [PMID: 39147216 DOI: 10.1016/j.toxlet.2024.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 07/07/2024] [Accepted: 08/01/2024] [Indexed: 08/17/2024]
Abstract
T-2 toxin is one of the mycotoxins widely distributed in human food and animal feed. Our recent work has shown that microglial activation may contribute to T-2 toxin-induced neurotoxicity. However, the molecular mechanisms involved need to be further clarified. To address this, we employed high-throughput transcriptome sequencing and found altered B cell translocation gene 2 (BTG2) expression levels in microglia following T-2 toxin treatment. It has been shown that altered BTG2 expression is involved in a range of neurological pathologies, but whether it's involved in the regulation of microglial activation is unclear. The aim of this study was to investigate the role of BTG2 in T-2 toxin-induced microglial activation. The results of animal experiments showed that T-2 toxin caused neurobehavioral disorders and promoted the expression of microglial BTG2 and pro-inflammatory activation of microglia in hippocampus and cortical, while microglial inhibitor minocycline inhibited these changes. The results of in vitro experiments showed that T-2 toxin enhanced BTG2 expression and pro-inflammatory microglial activation, and inhibited BTG2 expression weakened T-2 toxin-induced microglial activation. Moreover, T-2 toxin activated PI3K/AKT and its downstream NF-κB signaling pathway, which could be reversed after knock-down of BTG2 expression. Meanwhile, the PI3K inhibitor LY294002 also blocked this process. Therefore, BTG2 may be involved in T-2 toxin's ability to cause microglial activation through PI3K/AKT/NF-κB pathway.
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Affiliation(s)
- Xiukuan Li
- School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China 561113; Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Jinyun Long
- School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China 561113; Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Chunyan Yao
- Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Xiaoling Liu
- Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Na Li
- Chongqing Yongchuan District Center for Disease Control and Prevention, Chongqing, China 402160
| | - Yumeng Zhou
- Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Dawei Li
- Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Guiyuan Xiong
- School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China 561113; Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Kexue Wang
- Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Yuhui Hao
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Ka Chen
- Research Center for Nutrition and Food Safety, Institute of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Ziyuan Zhou
- Department of Environmental Health, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, China 400038
| | - Ailing Ji
- Department of Preventive Medicine, Chongqing Medical and Pharmaceutical College, Chongqing, China 401331.
| | - Peng Luo
- School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China 561113.
| | - Tongjian Cai
- Department of Epidemiology, College of Preventive Medicine, State Key Laboratory of Trauma and Chemical Poisoning, Army Medical University (Third Military Medical University), Chongqing, China 400038; School of Public Health, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China 561113.
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Wang P, Sun LH, Wang X, Wu Q, Liu A. Effective protective agents against the organ toxicity of T-2 toxin and corresponding detoxification mechanisms: A narrative review. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 16:251-266. [PMID: 38362519 PMCID: PMC10867609 DOI: 10.1016/j.aninu.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 08/28/2023] [Accepted: 12/01/2023] [Indexed: 02/17/2024]
Abstract
T-2 toxin is one of the most widespread and toxic fungal toxins in food and feed. It can cause gastrointestinal toxicity, hepatotoxicity, immunotoxicity, reproductive toxicity, neurotoxicity, and nephrotoxicity in humans and animals. T-2 toxin is physicochemically stable and does not readily degrade during food and feed processing. Therefore, suppressing T-2 toxin-induced organ toxicity through antidotes is an urgent issue. Protective agents against the organ toxicity of T-2 toxin have been recorded widely in the literature, but these protective agents and their molecular mechanisms of detoxification have not been comprehensively summarized. In this review, we provide an overview of the various protective agents to T-2 toxin and the molecular mechanisms underlying the detoxification effects. Targeting appropriate targets to antagonize T-2 toxin toxicity is also an important option. This review will provide essential guidance and strategies for the better application and development of T-2 toxin antidotes specific for organ toxicity in the future.
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Affiliation(s)
- Pengju Wang
- Hubei Key Laboratory of Diabetes and Angiopathy, Medicine Research Institute, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Lv-hui Sun
- Hubei Hongshan Laboratory, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, 430070, China
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Aimei Liu
- Hubei Key Laboratory of Diabetes and Angiopathy, Medicine Research Institute, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
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Bridgeman L, Juan C, Berrada H, Juan-García A. Effect of Acrylamide and Mycotoxins in SH-SY5Y Cells: A Review. Toxins (Basel) 2024; 16:87. [PMID: 38393165 PMCID: PMC10892127 DOI: 10.3390/toxins16020087] [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: 11/21/2023] [Revised: 01/30/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Thermal processes induce the formation of undesired toxic components, such as acrylamide (AA), which has been shown to induce brain toxicity in humans and classified as Group 2A by the International Agency of Research in Cancer (IARC), as well as some mycotoxins. AA and mycotoxins' toxicity is studied in several in vitro models, including the neuroblastoma cell line model SH-SY5Y cells. Both AA and mycotoxins occur together in the same food matrix cereal base (bread, pasta, potatoes, coffee roasting, etc.). Therefore, the goal of this review is to deepen the knowledge about the neurological effects that AA and mycotoxins can induce on the in vitro model SH-SY5Y and its mechanism of action (MoA) focusing on the experimental assays reported in publications of the last 10 years. The analysis of the latest publications shows that most of them are focused on cytotoxicity, apoptosis, and alteration in protein expression, while others are interested in oxidative stress, axonopathy, and the disruption of neurite outgrowth. While both AA and mycotoxins have been studied in SH-SY5Y cells separately, the mixture of them is starting to draw the interest of the scientific community. This highlights a new and interesting field to explore due to the findings reported in several publications that can be compared and the implications in human health that both could cause. In relation to the assays used, the most employed were the MTT, axonopathy, and qPCR assays. The concentration dose range studied was 0.1-10 mM for AA and 2 fM to 200 µM depending on the toxicity and time of exposure for mycotoxins. A healthy and varied diet allows the incorporation of a large family of bioactive compounds that can mitigate the toxic effects associated with contaminants present in food. Although this has been reported in some publications for mycotoxins, there is still a big gap for AA which evidences that more investigations are needed to better explore the risks for human health when exposed to AA and mycotoxins.
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Affiliation(s)
| | | | | | - Ana Juan-García
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy and Food Science, University of Valencia, Av. Vicent Andrés Estellés s/n, Burjassot, 46100 València, Spain; (L.B.); (C.J.); (H.B.)
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Wang Y, Wang B, Wang P, Hua Z, Zhang S, Wang X, Yang X, Zhang C. Review of neurotoxicity of T-2 toxin. Mycotoxin Res 2024; 40:85-95. [PMID: 38217761 DOI: 10.1007/s12550-024-00518-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/19/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024]
Abstract
T-2 toxin is a representative trichothecene that is widely detected in corn, wheat and other grain feeds. T-2 toxin has stable physical and chemical properties, making it difficult to remove from food and feed. Hence, T-2 toxin has become an unavoidable pollutant in food for humans and animals. T-2 toxin can enter brain tissue by crossing the blood-brain barrier and leads to congestion, swelling and even apoptosis of neurons. T-2 toxin poisoning can directly lead to clinical symptoms (anti-feeding reaction and decline of learning and memory function in humans and animals). Maternal T-2 toxin exposure also exerted toxic effects on the central nervous system of offspring. Oxidative stress is the core neurotoxicity mechanism underlying T-2 toxin poison. Oxidative stress-mediated apoptosis, mitochondrial oxidative damage and inflammation are all involved in the neurotoxicity induced by T-2 toxin. Thus, alleviating oxidative stress has become a potential target for relieving the neurotoxicity induced by T-2 toxin. Future efforts should be devoted to revealing the neurotoxic molecular mechanism of T-2 toxin and exploring effective therapeutic drugs to alleviate T-2 toxin-induced neurotoxicity.
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Affiliation(s)
- Youshuang Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Bo Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Peilin Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Zeao Hua
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Shanshan Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Xuebing Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Xu Yang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China
- Key Laboratory of Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs, Zhengzhou, China
| | - Cong Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
- Key Laboratory of Quality and Safety Control of Poultry Products, Ministry of Agriculture and Rural Affairs, Zhengzhou, China.
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Wang C, He J, Jin H, Xiao H, Peng S, Xie J, Zhang L, Guo J. T-2 toxin induces cardiotoxicity by activating ferroptosis and inhibiting heme oxygenase-1. CHEMOSPHERE 2023; 341:140087. [PMID: 37678596 DOI: 10.1016/j.chemosphere.2023.140087] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
T-2 toxin, a natural secondary sesquiterpenoid metabolite produced by numerous strains of Fusarium fungi, is prevalent in both contaminated food and the environment. T-2 toxin is known to be highly toxic to the cardiovascular system, but the precise mechanisms that lead to T-2 toxin-induced cardiotoxicity are not yet fully understood. Recent findings indicate that ferroptosis is a pivotal factor in cardiovascular damage and exhibits a strong correlation with the detrimental impacts of T-2 toxin. The present study was designed to examine the involvement of ferroptosis in T-2 toxin-induced cardiac injury. Male mice and human cardiomyocytes were subjected to T-2 toxin for 24 h to induce acute cardiotoxicity for in vivo and in vitro studies, respectively. Our results demonstrated that T-2 toxin increased reactive oxygen species production, malondialdehyde, and decreased glutathione/oxidized glutathione and adenosine triphosphate levels. Furthermore, T-2 toxin was observed to activate ferroptosis, as evidenced by an increase in iron (Fe2+) concentration and upregulation of prostaglandin endoperoxide synthase 2, downregulation of glutathione peroxidase 4 and ferritin heavy chain 1, as well as ferroptotic morphological alterations. Inhibition of ferroptosis by Liproxstatin-1 reversed T-2 toxin-induced cardiac injury. Additionally, the downregulation of heme oxgenase-1 (HO-1) expression by T-2 toxin exacerbates ferroptosis and oxidative damage, which can be further aggravated by HO-1 inhibition with Sn-protoporphyrin. These findings provide novel insights into the mechanism of T-2 toxin-induced cardiotoxicity and suggest that targeting ferroptosis and HO-1 may represent a promising cardioprotective strategy against T-2 toxin.
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Affiliation(s)
- Chi Wang
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China; School of Public Health, China Medical University, Shenyang, 110122, China
| | - Jun He
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China
| | - Hong Jin
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China
| | - Haixin Xiao
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China; School of Public Health, China Medical University, Shenyang, 110122, China
| | - Shuangqing Peng
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China
| | - Jianwei Xie
- Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Li Zhang
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China.
| | - Jiabin Guo
- Chinese PLA Center for Disease Control and Prevention, Beijing, 100071, China; School of Public Health, China Medical University, Shenyang, 110122, China.
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Vaidya B, Gupta P, Laha JK, Roy I, Sharma SS. Amelioration of Parkinson's disease by pharmacological inhibition and knockdown of redox sensitive TRPC5 channels: Focus on mitochondrial health. Life Sci 2023:121871. [PMID: 37352915 DOI: 10.1016/j.lfs.2023.121871] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/08/2023] [Accepted: 06/16/2023] [Indexed: 06/25/2023]
Abstract
AIMS Transient receptor potential canonical 5 (TRPC5) channels are redox-sensitive cation-permeable channels involved in temperature and mechanical sensation. Increased expression and over-activation of these channels has been implicated in several central nervous system disorders such as epilepsy, depression, traumatic brain injury, anxiety, Huntington's disease and stroke. TRPC5 channel activation causes increased calcium influx which in turn activates numerous downstream signalling pathways involved in the pathophysiology of neurological disorders. Therefore, we hypothesized that pharmacological blockade and knockdown of TRPC5 channels could attenuate the behavioural deficits and molecular changes seen in CNS disease models such as MPTP/MPP+ induced Parkinson's disease (PD). MATERIALS AND METHODS In the present study, PD was induced after bilateral intranigral infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) to the Sprague Dawley rats. Additionally, SH-SY5Y neurons were exposed to 1-methyl-4-phenylpyridinium (MPP+) to further determine the role of TRPC5 channels in PD. KEY FINDINGS We used clemizole hydrochloride, a potent TRPC5 channel blocker, to reverse the behavioural deficits, molecular changes and biochemical parameters in MPTP/MPP+-induced-PD. Furthermore, knockdown of TRPC5 expression using siRNA also closely phenocopies these effects. We further observed restoration of tyrosine hydroxylase levels and improved mitochondrial health following clemizole treatment and TRPC5 knockdown. These changes were accompanied by diminished calcium influx, reduced levels of reactive oxygen species and decreased apoptotic signalling in the PD models. SIGNIFICANCE These findings collectively suggest that increased expression of TRPC5 channels is a potential risk factor for PD and opens a new therapeutic window for the development of pharmacological agents targeting neurodegeneration and PD.
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Affiliation(s)
- Bhupesh Vaidya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, S.A.S. Nagar, Mohali, Punjab, India
| | - Pankaj Gupta
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education and Research, S. A. S. Nagar, Punjab 160062, India
| | - Joydev K Laha
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education and Research, S. A. S. Nagar, Punjab 160062, India
| | - Ipsita Roy
- Department of Biotechnology, National Institute of Pharmaceutical Education, S.A.S. Nagar, Mohali, Punjab, India
| | - Shyam Sunder Sharma
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, S.A.S. Nagar, Mohali, Punjab, India.
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Wang Y, Liu Y, Huang T, Chen Y, Song W, Chen F, Jiang Y, Zhang C, Yang X. Nrf2: A Main Responsive Element of the Toxicity Effect Caused by Trichothecene (T-2) Mycotoxin. TOXICS 2023; 11:393. [PMID: 37112621 PMCID: PMC10146852 DOI: 10.3390/toxics11040393] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 06/19/2023]
Abstract
T-2 toxin, the most toxic type A trichothecene mycotoxin, is produced by Fusarium, and is widely found in contaminated feed and stored grains. T-2 toxin is physicochemically stable and is challenging to eradicate from contaminated feed and cereal, resulting in food contamination that is inescapable and poses a major hazard to both human and animal health, according to the World Health Organization. Oxidative stress is the upstream cause of all pathogenic variables, and is the primary mechanism through which T-2 toxin causes poisoning. Nuclear factor E2-related factor 2 (Nrf2) also plays a crucial part in oxidative stress, iron metabolism and mitochondrial homeostasis. The major ideas and emerging trends in future study are comprehensively discussed in this review, along with research progress and the molecular mechanism of Nrf2's involvement in the toxicity impact brought on by T-2 toxin. This paper could provide a theoretical foundation for elucidating how Nrf2 reduces oxidative damage caused by T-2 toxin, and a theoretical reference for exploring target drugs to alleviate T-2 toxin toxicity with Nrf2 molecules.
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Affiliation(s)
- Youshuang Wang
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Yu Liu
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Tingyu Huang
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Yunhe Chen
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Wenxi Song
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Fengjuan Chen
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Yibao Jiang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
| | - Cong Zhang
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
| | - Xu Yang
- College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Park, Zhengdong New District, Zhengzhou 450002, China
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Wang H, Zhang Q, Pi J. Advances in research strategies and approaches for toxicity testing of environmental exposures. Toxicol Appl Pharmacol 2023; 460:116363. [PMID: 36623737 DOI: 10.1016/j.taap.2023.116363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Huihui Wang
- Group of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China; The Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic, Shenyang 110122, China.
| | - Qiang Zhang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA.
| | - Jingbo Pi
- The Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic, Shenyang 110122, China; Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China..
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