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Zhong Q, Pan X, Chen Y, Lian Q, Gao J, Xu Y, Wang J, Shi Z, Cheng H. Prosthetic Metals: Release, Metabolism and Toxicity. Int J Nanomedicine 2024; 19:5245-5267. [PMID: 38855732 PMCID: PMC11162637 DOI: 10.2147/ijn.s459255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 05/13/2024] [Indexed: 06/11/2024] Open
Abstract
The development of metallic joint prostheses has been ongoing for more than a century alongside advancements in hip and knee arthroplasty. Among the materials utilized, the Cobalt-Chromium-Molybdenum (Co-Cr-Mo) and Titanium-Aluminum-Vanadium (Ti-Al-V) alloys are predominant in joint prosthesis construction, predominantly due to their commendable biocompatibility, mechanical strength, and corrosion resistance. Nonetheless, over time, the physical wear, electrochemical corrosion, and inflammation induced by these alloys that occur post-implantation can cause the release of various metallic components. The released metals can then flow and metabolize in vivo, subsequently causing potential local or systemic harm. This review first details joint prosthesis development and acknowledges the release of prosthetic metals. Second, we outline the metallic concentration, biodistribution, and elimination pathways of the released prosthetic metals. Lastly, we discuss the possible organ, cellular, critical biomolecules, and significant signaling pathway toxicities and adverse effects that arise from exposure to these metals.
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Affiliation(s)
- Qiang Zhong
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Xin Pan
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Yuhang Chen
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Qiang Lian
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Jian Gao
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Yixin Xu
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Jian Wang
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Zhanjun Shi
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Hao Cheng
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
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Ichipi-Ifukor PC, Asagba SO, Achuba FI. Co-exposure to Aluminium and Cadmium Mediates Postpartum Maternal Variation in Brain Architecture and Behaviour of Mice; Involvement of Oxido-nitrergic and Cholinergic Mechanisms : Postpartum effects of Aluminium and Cadmium co-exposure in pregnancy. Biol Trace Elem Res 2024:10.1007/s12011-024-04218-0. [PMID: 38777875 DOI: 10.1007/s12011-024-04218-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/29/2024] [Indexed: 05/25/2024]
Abstract
Most research has not been done on the possible relationship between pregnant women's cross-metal exposures and postpartum neuroendocrine functions. The purpose of this study was to look into how co-exposure to aluminium chloride (AlCl3) and cadmium chloride (CdCl2) affected the neuroendocrine and neurometabolic changes in postpartum mice. A total of 24 adult pregnant female mice were used for the study. Group 1 served as control and received neither AlCl3 nor CdCl2 (n=6), group 2 comprised pregnant mice treated with AlCl3 (10mg/kg), group 3 with CdCl2 (1.5mg/kg), group 4 with a combination of AlCl3 (10 mg/kg) and CdCl2 (1.5 mg/kg).Oral treatment of animals was done daily from gestation day 7 to gestation day 20. Upon delivery and weaning on postnatal day 21 (PND 21), behavioural assessment was done on the postpartum mice and immediately followed by sacrifice for assessment of histological and neuroendocrine markers. Our findings revealed that the brain-to-body weight ratio was affected and brain oxidative stress was elevated in mice exposed to AlCl3 and CdCl2 during pregnancy. Given the strong association between postpartum hyperactivity, social interaction index, brain catalase and acetylcholinesterase activity, and the brain/body weight ratio, it is plausible that these effects have played a role in the adverse behavioural abnormalities observed in the postpartum maternal mice. Moreover, it was noted that in certain situations, co-exposures to the metals tended to have opposite effects to single metal exposures.
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Gao J, Liu W, Liu J, Hao N, Pei J, Zhang L. The Role of Acetylation and Methylation of Rat Hippocampal Histone H3 in the Mechanism of Aluminum-Induced Neurotoxicity. Neurochem Res 2024; 49:441-452. [PMID: 37897558 DOI: 10.1007/s11064-023-04045-0] [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: 06/15/2023] [Revised: 10/09/2023] [Accepted: 10/14/2023] [Indexed: 10/30/2023]
Abstract
Aluminum is a known neurotoxin and a major environmental contributor to neurodegenerative diseases such as Alzheimer's disease (AD). We uesd a subchronic aluminum chloride exposure model in offspring rats by continuously treating them with AlCl3 solution from the date of birth until day 90 in this research. Then evaluated the neurobehavioral changes in rats, observed the ultrastructural changes of hippocampal synapses and neurons, and examined the level of hippocampal acetylated histone H3 (H3ac), the activity and protein expression of hippocampal HAT1 and G9a, and the protein expression level of H3K9 dimethylation (H3K9me2). The findings demonstrated that aluminum-treated offspring rats had impaired learning and memory abilities as well as ultrastructural alterations in hippocampal synapses and neurons. The level of histone H3ac was decreased along with decreased protein expression and activity of HAT1, while level of H3K9me2 was increased along with increased protein expression and activity of G9a.
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Affiliation(s)
- Jie Gao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, 110034, Liaoning Province, P. R. China
| | - Wei Liu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, 110034, Liaoning Province, P. R. China
| | - Jiaqi Liu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, 110034, Liaoning Province, P. R. China
| | - Niping Hao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, 110034, Liaoning Province, P. R. China
| | - Jing Pei
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, 110034, Liaoning Province, P. R. China
| | - Lifeng Zhang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, 110034, Liaoning Province, P. R. China.
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Gao J, Zhang S, Li B, Wang Z, Liu W, Zhang L. Sub-Chronic Aluminum Exposure in Rats' Learning-Memory Capability and Hippocampal Histone H4 Acetylation Modification: Effects and Mechanisms. Biol Trace Elem Res 2023; 201:5309-5320. [PMID: 36823489 DOI: 10.1007/s12011-023-03602-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023]
Abstract
Aluminum has been found to be closely related to the pathogenesis of neurodegenerative diseases and damage learning and memory functions. Many changes in epigenetics may be one of the mechanisms of aluminum neurotoxicity. The purpose of this study is to further investigate the mechanism of action of sub-chronic aluminum exposure on learning memory and histone H4 acetylation modification in Wistar rats, and the correlation between learning memory impairment and histone H4 acetylation in aluminum-exposed rats. Rats in each dose group were given 0.0 g/L, 2.0 g/L, 4.0 g/L, and 8.0 g/L of AlCl3 distilled water daily for 12 weeks. The learning and memory ability of rats was measured by the Morris water maze test; the neuronal morphology of rat hippocampus was observed by Nissl staining and transmission electron microscope; real-time PCR, and Western blot were used to detect mRNA expression and protein content in hippocampus of rats. The results suggest that aluminum may affect the gene and protein expression of HAT1 and HDAC2, and then affect histone H4 and the acetylation of H4K12 (acH4K12), which may lead to learning and memory dysfunction in rats.
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Affiliation(s)
- Jie Gao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, Liaoning, 110034, People's Republic of China
| | - Shiming Zhang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, Liaoning, 110034, People's Republic of China
| | - Bing Li
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, People's Republic of China
| | - Ziyi Wang
- Shenyang Pharmaceutical University, Shenyang, Liaoning, 110016, People's Republic of China
| | - Wei Liu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, Liaoning, 110034, People's Republic of China
| | - Lifeng Zhang
- Department of Maternal, Child and Adolescent Health, School of Public Health, Shenyang Medical College, Shenyang, Liaoning, 110034, People's Republic of China.
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Wu Y, Wang R, Liu R, Ba Y, Huang H. The Roles of Histone Modifications in Metal-Induced Neurological Disorders. Biol Trace Elem Res 2023; 201:31-40. [PMID: 35129806 DOI: 10.1007/s12011-022-03134-5] [Citation(s) in RCA: 4] [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: 11/18/2021] [Accepted: 01/23/2022] [Indexed: 01/11/2023]
Abstract
Increasing research is illuminating the intricate roles of metal ions in neural development as well as neurological disorders, which may stem from misregulation or dysfunction of epigenetic modifiers. Lead (Pb), cadmium (Cd), aluminum (Al), and arsenic were chosen for critical review because they have become serious public health concerns due to globalization and industrialization. In this review, we will introduce various modes of action of metals and consider the role of two posttranslational modifications: histone acetylation and methylation and how each of them affects gene expression. We then summarize the findings from previous studies on the neurological outcomes and histone alterations in response to the metals on each of the previously described histone modifications mechanisms. Understanding metal-induced histone modifications changes could provide better insight on the mechanism through which neurotoxicity occurs, to propose and validate these modifications as possible biomarkers for early identification of neurological damage, and can help model targeted therapies for the diseases of the brain.
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Affiliation(s)
- Yingying Wu
- Department of Environmental Health, College of Public Health, Zhengzhou University, Henan province, Zhengzhou, 450001, China
| | - Ruike Wang
- Department of Environmental Health, College of Public Health, Zhengzhou University, Henan province, Zhengzhou, 450001, China
| | - Rundong Liu
- Department of Environmental Health, College of Public Health, Zhengzhou University, Henan province, Zhengzhou, 450001, China
| | - Yue Ba
- Department of Environmental Health, College of Public Health, Zhengzhou University, Henan province, Zhengzhou, 450001, China
| | - Hui Huang
- Department of Environmental Health, College of Public Health, Zhengzhou University, Henan province, Zhengzhou, 450001, China.
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Sun W, Lu Z, Chen X, Yang, Mei Y, Li X, An L. Aluminum Oxide Nanoparticles Impair Working Memory and Neuronal Activity through the GSK3β/BDNF Signaling Pathway of Prefrontal Cortex in Rats. ACS Chem Neurosci 2022; 13:3352-3361. [PMID: 36444509 DOI: 10.1021/acschemneuro.2c00383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Studies demonstrated that alumina nanoparticles (alumina NPs) impair spatial cognition and hippocampus-dependent synaptic plasticity. Although alumina NPs accumulate in the prefrontal cortex (PFC), their effects on PFC-mediated neuronal and cognitive function have been not yet documented. Here, alumina NPs (10 or 20 μg/kg of body weight) were bilaterally injected into the medial PFC (mPFC) of adult rats, and the levels of glycogen synthase kinase 3β (GSK3β) and the brain-derived neurotrophic factor (BDNF) were detected. The PFC-dependent working memory task with one-minute or three-minute delay time was conducted. Meanwhile, the neuronal correlates of working memory performance were recorded. The specific expression of neuronal BDNF was assessed by colabeled BDNF expression with the neuronal nuclear antigen (NeuN). Whole-cell patch-clamp recordings were employed to detect neuronal excitability. Intra-mPFC alumina NP infusions significantly enhanced the expression of GSK3β but reduced the phosphorylation of GSK3β (pGSK3β) and BDNF levels more severely at a dose of 20 μg/kg. Alumina NPs acted in a dose-dependent manner to impair working memory. The neuronal expression of BDNF in the 20 μg/kg group was markedly declined compared with the 10 μg/kg group. During the delay time, the neuronal frequency of pyramidal cells but not interneurons was significantly weakened. Furthermore, both the frequency and amplitude of the excitatory postsynaptic currents (EPSCs) were descended in the mPFC slices. Additionally, the infusion of GSK3β inhibitor SB216763 or BDNF could effectively attenuate the impairments in neuronal correlate, neuronal activity, and working memory. From the perspective of the identified GSK3β/BDNF pathway, these findings demonstrated for the first time that alumina NPs exposure can be a risk factor for prefrontal neuronal and cognitive functions.
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Affiliation(s)
- Wei Sun
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China.,Behavioural Neuroscience Lab, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China
| | - Zhenzhong Lu
- Behavioural Neuroscience Lab, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China.,Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan 250013, China
| | - Xiao Chen
- Behavioural Neuroscience Lab, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China.,Graduate School of Guangzhou University of Chinese Medicine, Guangzhou 510006, China.,Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan 250013, China
| | - Yang
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China
| | - Yazi Mei
- Graduate School of Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xiaoliang Li
- Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan 250013, China
| | - Lei An
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China.,Behavioural Neuroscience Lab, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China.,Graduate School of Guangzhou University of Chinese Medicine, Guangzhou 510006, China.,Department of Neurology, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550001, China
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Liu H, Xie Y, Wang X, Abboud MI, Ma C, Ge W, Schofield CJ. Exploring links between 2-oxoglutarate-dependent oxygenases and Alzheimer's disease. Alzheimers Dement 2022; 18:2637-2668. [PMID: 35852137 PMCID: PMC10083964 DOI: 10.1002/alz.12733] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 05/12/2022] [Accepted: 06/10/2022] [Indexed: 01/31/2023]
Abstract
Hypoxia, that is, an inadequate oxygen supply, is linked to neurodegeneration and patients with cardiovascular disease are prone to Alzheimer's disease (AD). 2-Oxoglutarate and ferrous iron-dependent oxygenases (2OGDD) play a key role in the regulation of oxygen homeostasis by acting as hypoxia sensors. 2OGDD also have roles in collagen biosynthesis, lipid metabolism, nucleic acid repair, and the regulation of transcription and translation. Many biological processes in which the >60 human 2OGDD are involved are altered in AD patient brains, raising the question as to whether 2OGDD are involved in the transition from normal aging to AD. Here we give an overview of human 2OGDD and critically discuss their potential roles in AD, highlighting possible relationships with synapse dysfunction/loss. 2OGDD may regulate neuronal/glial differentiation through enzyme activity-dependent mechanisms and modulation of their activity has potential to protect against synapse loss. Work linking 2OGDD and AD is at an early stage, especially from a therapeutic perspective; we suggest integrated pathology and in vitro discovery research to explore their roles in AD is merited. We hope to help enable long-term research on the roles of 2OGDD and, more generally, oxygen/hypoxia in AD. We also suggest shorter term empirically guided clinical studies concerning the exploration of 2OGDD/oxygen modulators to help maintain synaptic viability are of interest for AD treatment.
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Affiliation(s)
- Haotian Liu
- State Key Laboratory of Medical Molecular Biology & Department of ImmunologyInstitute of Basic Medical Sciences Chinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina
| | - Yong Xie
- State Key Laboratory of Medical Molecular Biology & Department of ImmunologyInstitute of Basic Medical Sciences Chinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina
- National Clinical Research Center for OrthopedicsSports Medicine & RehabilitationDepartment of OrthopedicsGeneral Hospital of Chinese PLABeijingChina
| | - Xia Wang
- State Key Laboratory of Medical Molecular Biology & Department of ImmunologyInstitute of Basic Medical Sciences Chinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina
| | - Martine I. Abboud
- The Chemistry Research LaboratoryDepartment of Chemistry and the Ineos Oxford Institute for Antimicrobial ResearchUniversity of OxfordOxfordUK
| | - Chao Ma
- Department of Human Anatomy, Histology and EmbryologyNeuroscience CenterNational Human Brain Bank for Development and FunctionInstitute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical CollegeBeijingChina
| | - Wei Ge
- State Key Laboratory of Medical Molecular Biology & Department of ImmunologyInstitute of Basic Medical Sciences Chinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina
| | - Christopher J. Schofield
- The Chemistry Research LaboratoryDepartment of Chemistry and the Ineos Oxford Institute for Antimicrobial ResearchUniversity of OxfordOxfordUK
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8
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Song Y, Liu Z, Zhu X, Hao C, Hao W, Wu S, Yang J, Lu X, Jin C. Metformin alleviates the cognitive impairment caused by aluminum by improving energy metabolism disorders in mice. Biochem Pharmacol 2022; 202:115140. [PMID: 35700760 DOI: 10.1016/j.bcp.2022.115140] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 11/29/2022]
Abstract
Long-term exposure to environmental aluminum was found to be related to the occurrence and development of neurodegenerative diseases. Energy metabolism disorders, one of the pathological features of neurodegenerative diseases, may occur in the early stage of the disease and are of potential intervention significance. Here, sub-chronic aluminum exposure mouse model was established, and metformin was used to intervene. We found that sub-chronic aluminum exposure decreased the protein levels of phosphorylation AMPK (p-AMPK), glucose transporter 1 (GLUT1) and GLUT3, taking charge of glucose uptake in the brain, reduced the levels of lactate shuttle-related proteins monocarboxylate transporter 4 (MCT4) and MCT2, as well as lactate content in the cerebral cortex, while increased hypoxia-inducible factor-1α (HIF-1α) level to drive downstream pyruvate dehydrogenase kinase 1 (PDK1) expression, thereby inhibiting pyruvate dehydrogenase (PDH) activity, and ultimately led to ATP depletion, neuronal death, and cognitive dysfunction. However, metformin could rescue these injuries. Thus, it came to a conclusion that aluminum could damage glucose uptake, interfere with astrocyte-neuron lactate shuttle (ANLS), interrupt the balance in energy metabolism, and resulting in cognitive function, while metformin has a neuroprotective effect against the disorder of energy metabolism caused by aluminum in mice.
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Affiliation(s)
- Yushuai Song
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Ziyue Liu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Xiaoying Zhu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Chenyu Hao
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Wudi Hao
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Shengwen Wu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Jinghua Yang
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Xiaobo Lu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Cuihong Jin
- Department of Toxicology, School of Public Health, China Medical University, Shenyang 110122, PR China.
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Sun W, Li J, Li X, Chen X, Mei Y, Yang Y, An L. Aluminium oxide nanoparticles compromise spatial memory performance and proBDNF-mediated neuronal function in the hippocampus of rats. Part Fibre Toxicol 2022; 19:34. [PMID: 35538555 PMCID: PMC9087928 DOI: 10.1186/s12989-022-00477-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 05/06/2022] [Indexed: 12/14/2022] Open
Abstract
Background Alumina nanoparticles (aluminaNPs), which are widely used in a range of daily and medical fields, have been shown to penetrate blood-brain barrier, and distribute and accumulate in different brain areas. Although oral treatment of aluminaNPs induces hippocampus-dependent learning and memory impairments, characteristic effects and exact mechanisms have not been fully elucidated. Here, male adult rats received a single bilateral infusion of aluminaNPs (10 or 20 µg/kg of body weight) into the hippocampal region, and their behavioral performance and neural function were assessed. Results The results indicated that the intra-hippocampus infusions at both doses of aluminaNPs did not cause spatial learning inability but memory deficit in the water maze task. This impairment was attributed to the effects of aluminaNP on memory consolidation phase through activation of proBDNF/RhoA pathway. Inhibition of the increased proBDNF by hippocampal infusions of p75NTR antagonist could effectively rescue the memory impairment. Incubation of aluminaNPs exaggerated GluN2B-dependent LTD induction with no effects on LTD expression in hippocampal slices. AluminaNP could also depress the amplitude of NMDA-GluN2B EPSCs. Meanwhile, increased reactive oxygen specie production was reduced by blocking proBDNF-p75NTR pathway in the hippocampal homogenates. Furthermore, the neuronal correlate of memory behavior was drastically weakened in the aluminaNP-infused groups. The dysfunction of synaptic and neuronal could be obviously mitigated by blocking proBDNF receptor p75NTR, implying the involvement of proBDNF signaling in aluminaNP-impaired memory process. Conclusions Taken together, our findings provide the first evidence that the accumulation of aluminaNPs in the hippocampus exaggeratedly activates proBDNF signaling, which leads to neural and memory impairments.
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Affiliation(s)
- Wei Sun
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.,Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China
| | - Jia Li
- College of Acupuncture and Orthopedics, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, Guizhou, China
| | - Xiaoliang Li
- Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China
| | - Xiao Chen
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.,Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China.,Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China
| | - Yazi Mei
- Graduate School of Guangzhou, University of Chinese Medicine, Guangzhou, 510006, China
| | - Yang Yang
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China
| | - Lei An
- Department of Pediatric, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China. .,Behavioral Neuroscience Laboratory, The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, 550001, Guizhou, China. .,Department of Neurology, Jinan Geriatric/Rehabilitation Hospital, Jinan, 250013, China. .,Graduate School of Guangzhou, University of Chinese Medicine, Guangzhou, 510006, China.
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10
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Zhao X, He C, Wang S, Lei Y, Niu Q. The association between blood lymphocyte NMDAR, group I mGluRs and cognitive function changes in occupationally aluminum-exposed workers and verification in rats. J Trace Elem Med Biol 2022; 69:126875. [PMID: 34673477 DOI: 10.1016/j.jtemb.2021.126875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/27/2021] [Accepted: 10/12/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Many studies have shown that occupational aluminum (Al) exposure could affect the cognitive functions of workers and cause mild cognitive impairment (MCI). Glutamate receptors (GluRs) play an important role in learning and memory functions. METHODS 352 workers in a large Al production enterprise were investigated in this research. MMSE, CDT, DST, VFT, FOM were used to evaluate the cognitive functions of workers. Plasma Al levels as exposure indices were measured by Graphite Furnace Atomic Absorption Method (GFAAS). The expression of GluRs was measured by ELISA. Cognitive function comprehensive scores were obtained through factor analysis. Then a rat model of chronic AlCl3 exposure was established. The detection method of Al levels and protein expression were the same as mentioned-above. RESULTS Compared with the Q1 group, the DST, VFT, and comprehensive cognitive function scores of the Q4 group were lower(P < 0.05). For every 1μg/L increase in plasma Al concentration, the risk of cognitive impairment increases 1.051 times (95 %CI:1.031,1.072). Both NMDAR1 and NMDAR2A protein expression level of Q1 group were higher than those of Q2, Q3, Q4 group (all P < 0.05). The mediating effect ratio of NMDAR1 between plasma Al levels and cognitive function comprehensive scores was a1*b1/c=11.30 %, and the mediating effect ratio of NMDAR2A was |a2*b2/c|=21.77 %. Compared with control group, the escape latency of rats in the high Al dose group was longer day by day (P < 0.05). With the increase of Al dose, the relative expression of NMDAR1, NMDAR2A, NMDAR2B, GluR1 and mGluR5 in cerebral cortex and lymphocytes of rats were decreased (P < 0.05). The result of correlation analysis on NMDAR1 protein expression between brain cortex and lymphocyte showed that the correlation coefficient is r = 0.646(P < 0.05). CONCLUSION Taking together the results from both Al exposed workers and animal, there is a certain correlation between NMDAR1 protein contents of brain cortex and peripheral lymphocytes. We propose that lymphocyte NMDAR1 could be considered as a peripheral potential marker of cognitive impairment for further observation.
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Affiliation(s)
- Xiaoyan Zhao
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Chanting He
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Department of Anatomy, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Shanshan Wang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Yang Lei
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi, 030001, China; Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, Taiyuan, Shanxi, 030001, China.
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11
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Zhao M, Zhu Z, Li H, Wang W, Cheng S, Qin X, Wu H, Liu D, Pan F. Effects of traumatic stress in adolescence on PTSD-like behaviors, dendrite development, and H3K9me2/BDNF expression in the amygdala of male rats. J Affect Disord 2022; 296:388-399. [PMID: 34619155 DOI: 10.1016/j.jad.2021.09.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 09/04/2021] [Accepted: 09/26/2021] [Indexed: 12/22/2022]
Abstract
Early detrimental experiences increase the risk of psychiatric disorders, including posttraumatic stress disorder (PTSD). In a previous experiment, we demonstrated that traumatic stress in adolescence triggers changes in the expression of the epigenetic marker H3K9me2 in the hippocampus and prefrontal cortex of adolescent and adult rats, which suppresses transcription of the brain-derived neurotrophic factor (Bdnf) gene that promotes dendrite development and synaptic growth. However, corresponding changes in the amygdala in response to traumatic stress in early life have not yet been fully elucidated. In the current study, we used the inescapable foot shock (IFS) procedure to establish a PTSD model. Half an hour after the end of electric shocks, intraperitoneal injection of the G9a enzyme inhibitor Unc0642, a small molecule inhibitor of EHMT2 that can decrease H3K9me2 expression, was applied to reverse the corresponding epigenetic changes. Exploratory behaviors, anxiety-like behavior, social communication ability, spatial exploration and memory were determined using the open field test (OFT), elevated plus maze (EPM) test, three-chamber sociability test (SIT), Morris water maze (MWM) test, and Y maze test (YMZ), respectively. Additionally, the levels of H3K9me2 and BDNF were measured by quantitative reverse transcription-polymerase chain reaction (qPCR) and Western blotting. Furthermore, neuronal development was examined using Golgi staining. The results showed that the IFS procedure induced anxiety-like and depression-like behaviors, social skills dysfunction, and spatial exploration and memory disorders. It also decreased the mRNA expression of BDNF and BDNF and increased the expression of H3K9me2 in the amygdala. More importantly, compared to unstressed animals, traumatic stress during adolescence induced dendrite maldevelopment in adolescent and adult rats. In summary, the present study indicates that early-life stress alters the epigenetic marker expression of H3K9me2 and decreases levels of BDNF in the amygdala, resulting in dendrite maldevelopment and a higher risk of mental disorders.
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Affiliation(s)
- Mingyue Zhao
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Zemeng Zhu
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Haonan Li
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Wei Wang
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Shuyue Cheng
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Xiaqing Qin
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Huiran Wu
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Dexiang Liu
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China
| | - Fang Pan
- Department of Medical Psychology and Ethics, School of Basic Medical Medicine Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, Shandong 250012, PR China.
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12
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He C, Zhao X, Lei Y, Nie J, Lu X, Song J, Wang L, Li H, Liu F, Zhang Y, Niu Q. Whole-transcriptome analysis of aluminum-exposed rat hippocampus and identification of ceRNA networks to investigate neurotoxicity of Al. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:1401-1417. [PMID: 34900398 PMCID: PMC8636738 DOI: 10.1016/j.omtn.2021.11.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 11/04/2021] [Indexed: 12/13/2022]
Abstract
Aluminum is a known neurotoxin that can induce Aβ deposition and abnormal phosphorylation of tau protein, leading to Alzheimer disease (AD)-like damages such as neuronal damage and decreased learning and memory functions. In this study, we constructed a rat model of subchronic aluminum maltol exposure, and the whole-transcriptome sequencing was performed on the hippocampus of the control group and the middle-dose group. A total of 167 miRNAs, 37 lncRNAs, 256 mRNAs, and 64 circRNAs expression changed. The Kyoto Encyclopedia of Genes and Genomes showed that PI3K/AKT pathway was the most enriched pathway of DEGs, and IRS1 was the core molecule in the PPI network. circRNA/lncRNA-miRNA-mRNA networks of all DEGs, DEGs in the PI3K/AKT pathway, and IRS1 were constructed by Cytoscape. Molecular experiment results showed that aluminum inhibited the IRS1/PI3K/AKT pathway and increased the content of Aβ and tau. In addition, we also constructed an AAV intervention rat model, proving that inhibition of miR-96-5p expression might resist aluminum-induced injury by upregulating expression of IRS1. In general, these results suggest that the ceRNA networks are involved in the neurotoxic process of aluminum, providing a new strategy for studying the toxicity mechanism of aluminum and finding biological targets for the prevention and treatment of AD.
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Affiliation(s)
- Chanting He
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi 030001, China
- Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, Taiyuan, Shanxi 030001, China
- Department of Anatomy, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Xiaoyan Zhao
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Yang Lei
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Jisheng Nie
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Xiaoting Lu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Jing Song
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Linping Wang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Huan Li
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Fangqu Liu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Yidan Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, Shanxi 030001, China
- Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, Taiyuan, Shanxi 030001, China
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13
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Zhang H, Han Y, Zhang L, Jia X, Niu Q. The GSK-3β/β-Catenin Signaling-Mediated Brain-Derived Neurotrophic Factor Pathway Is Involved in Aluminum-Induced Impairment of Hippocampal LTP In Vivo. Biol Trace Elem Res 2021; 199:4635-4645. [PMID: 33462795 DOI: 10.1007/s12011-021-02582-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/06/2021] [Indexed: 12/20/2022]
Abstract
The neurotoxic effects of aluminum (Al) are associated with the impairment of synaptic plasticity, the biological basis of learning and memory, the major form of which is long-term potentiation (LTP). The canonical glycogen synthase kinase-3β (GSK-3β)/β-catenin signaling-mediated brain-derived neurotrophic factor (BDNF) pathway has been suggested to play important roles in memory. Thus, Al may affect LTP through this pathway. In this study, a Sprague-Dawley rat model of neurotoxicity was established through intracerebroventricular (i.c.v.) injection of aluminum maltol (Al(mal)3), which was achieved by preimplantation of a cannula into the lateral ventricle. The rats in the control and Al-treated groups received a daily injection of SB216763, an inhibitor of GSK-3β. Electrophysiology and western blot analysis were used to investigate the regulatory effect of the GSK-3β/β-catenin signaling-mediated BDNF pathway on LTP impairment induced by Al(mal)3. The results confirmed that i.c.v. injection of Al(mal)3 significantly suppressed the field excitatory postsynaptic potential (fEPSP) amplitude, as indicated by a decrease in BDNF protein expression, which was accompanied by dose-dependent decreases in β-catenin protein expression and the phosphorylation of GSK-3β at Ser9. Rats that received SB216763, a GSK-3β inhibitor, exhibited higher fEPSP amplitudes than control rats. Furthermore, SB216763 treatment upregulated the hippocampal protein expression of BDNF and β-catenin while increasing the ratio of p-GSK-3β/GSK-3β. From the perspective of the identified β-catenin-BDNF axis, Al impairs hippocampal LTP, possibly through the GSK-3β/β-catenin signaling-mediated BDNF pathway.
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Affiliation(s)
- Huifang Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Yingchao Han
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Ling Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Xiaofang Jia
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China.
- Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, Taiyuan, China.
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14
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Jiang Z, Zhu Z, Zhao M, Wang W, Li H, Liu D, Pan F. H3K9me2 regulation of BDNF expression in the hippocampus and medial prefrontal cortex is involved in the depressive-like phenotype induced by maternal separation in male rats. Psychopharmacology (Berl) 2021; 238:2801-2813. [PMID: 34328517 DOI: 10.1007/s00213-021-05896-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 06/07/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Early life stress (ELS) induces a depressive-like phenotype and increases the risk of depression. Brain-derived neurotrophic factor (BDNF) has been confirmed to be involved in the pathophysiology of depression. However, the mechanism by which ELS alters the epigenetic regulation of BDNF and changes susceptibility to depression has not been fully clarified. METHODS The present study used maternal separation (MS) and chronic unpredicted mild stress (CUMS) to establish an MS animal model and a depressive animal model. We assessed depressive-like behaviours, including anhedonia, locomotor activity, anxiety-like behaviour, and spatial memory, using the sucrose preference test, the open field test, the elevated plus maze test, and the Morris water maze test. We also investigated BDNF and H3K9me2 expression in the hippocampus and medial prefrontal cortex (mPFC) by immunohistochemistry, western blotting, and qPCR analysis. Additionally, we used Unc0642, a small molecule inhibitor of histone methyltransferase (G9a), as an intervention. RESULTS The results showed that CUMS induced depressive-like behaviours in rats and resulted in increased H3K9me2 expression and decreased BDNF expression in the hippocampus and mPFC. More importantly, adult MS rats experiencing CUMS had more severe depressive behaviours, had higher expression of H3K9me2 in the hippocampus and mPFC, and had lower expression of BDNF in the hippocampus and mPFC. In addition, administration of the G9a inhibitor reversed most of the changes. CONCLUSIONS Our study suggests that ELS changed BDNF and H3K9me2 expression in the rat brain, resulting in a depressive-like phenotype.
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Affiliation(s)
- Zhijun Jiang
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Zemeng Zhu
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Mingyue Zhao
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Wei Wang
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Haonan Li
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Dexiang Liu
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China
| | - Fang Pan
- Department of Medical Psychology and Ethics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, 44#, Wenhua Xi Road, Jinan, 250012, Shandong, People's Republic of China.
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15
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Zhang J, Hao Y, Wang Y, Han Y, Zhang S, Niu Q. Relationship between the expression of TNFR1-RIP1/RIP3 in peripheral blood and cognitive function in occupational Al-exposed workers: A mediation effect study. CHEMOSPHERE 2021; 278:130484. [PMID: 33838418 DOI: 10.1016/j.chemosphere.2021.130484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 03/28/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
Aluminium (Al), not essential for biological activities, accumulates in the tissues. It exerts toxic effects on the nervous system, inducing in humans' irreversible cognitive impairment. In this study, a cluster sampling method was used to observe the cognitive function of long-term occupational Al-exposed workers in a large Al factory, and determine the expression of peripheral blood tumour necrosis factor receptor 1 (TNFR1), receptor-interacting protein 1 (RIP1), and RIP3. TNF-alpha, expressed in blood macrophages and microglia, with its receptors TNFR1, TR1 and TR3, enhances the necroptosis of neurons. Additionally, the relationship between the expression of TNFR1, RIP1, and RIP3 in the peripheral blood of long-term occupational Al-exposed workers and changes in their cognitive function was explored. The differences in the distributions of clock drawing test (CDT) scores among the three groups were statistically significant (P < 0.05). The results of correlation analysis showed that RIP1 and RIP3 protein contents were negatively correlated with mini-mental state examination (MMSE) and CDT scores (P < 0.05). Plasma Al content was positively correlated with other biological indicators (P < 0.05), and negatively correlated with MMSE and CDT scores (P < 0.05). Results showed that RIP3 protein had an incomplete mediation effect between plasma Al content and cognitive function. This suggests that Al may affect cognitive function by influencing the expression of TNFR1, RIP1, and RIP3 in the nervous system.
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Affiliation(s)
- Jingsi Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China
| | - Yanxia Hao
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China
| | - Yanni Wang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China
| | - Yingchao Han
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China
| | - Shuhui Zhang
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China; Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, China; Key Lab of Environmental Hazard and Health of Shanxi Province, Shanxi Medical University, China; Key Lab of Cellular Physiology of Education Ministry, Shanxi Medical University, China.
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16
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Cui Y, Song M, Xiao B, Huang W, Zhang J, Zhang X, Shao B, Han Y, Li Y. PINK1/Parkin-Mediated Mitophagy Plays a Protective Role in the Bone Impairment Caused by Aluminum Exposure. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6054-6063. [PMID: 34018397 DOI: 10.1021/acs.jafc.1c01921] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The pollution of aluminum (Al) in agricultural production and its wide application in food processing greatly increase the chance of human and animal exposure. Al can accumulate in bone and cause bone diseases by inducing oxidative stress. Mitophagy can maintain normal cell function by degrading damaged mitochondria and scavenging reactive oxygen species. However, the role of mitophagy in the bone impairment caused by Al is unknown. In this study, we demonstrated that PTEN induced putative kinase 1 (PINK1)/ E3 ubiquitin ligase PARK2 (Parkin)-mediated mitophagy was activated in the bone impairment caused by Al in vivo. Then, the Al-induced mitophagy in Parkin-deficient mice and MC3T3-E1 cells were decreased. Meanwhile, Parkin deficiency exacerbated the bone impairment, mitochondrial damage, and oxidative stress under Al exposure, both in vivo and in vitro. In general, the results reveal that Al exposure can activate PINK1/Parkin-mediated mitophagy, and the PINK1/Parkin-mediated mitophagy plays a protective role in the bone impairment caused by Al.
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Affiliation(s)
- Yilong Cui
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Miao Song
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Bonan Xiao
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Wanyue Huang
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Jian Zhang
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Xuliang Zhang
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Bing Shao
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Yanfei Han
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Yanfei Li
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
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Molecular mechanisms of aluminum neurotoxicity: Update on adverse effects and therapeutic strategies. ADVANCES IN NEUROTOXICOLOGY 2021; 5:1-34. [PMID: 34263089 DOI: 10.1016/bs.ant.2020.12.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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18
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Tian C, Feng C, Chen L, Wang Q. Impact of water source mixture and population changes on the Al residue in megalopolitan drinking water. WATER RESEARCH 2020; 186:116335. [PMID: 32882454 DOI: 10.1016/j.watres.2020.116335] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/19/2020] [Accepted: 08/22/2020] [Indexed: 06/11/2023]
Abstract
This study establishes a new understanding of the contributions of Al residue in a megalopolitan drinking water supply system with mixed water sources. The different influences and contributions of foreign water source, resident migration and season changing to Al residue in drinking water were investigated. Especially, the role of Southern water transferred over 1200 km via the South-to-North Water Diversion Project in the Al residue of drinking water supply system of a northern megalopolitan were revealed for the first time. Comparisons of big data on Al residue in the water supply system with sole and mixed water sources showed that the introduction of Southern water enhanced the Al residue in drinking water by over 35%. The world's largest annual residents' migration during Chinese Lunar New Year and the changes of season affect the water pipework hydrodynamics, which were embodied as the periodic changes of particulate aluminium and the relations with resident's temporal-spatial distribution in the megalopolitan. Because of the differences in water quality, Southern water promotes the release of historically deposited Al and facilitates the cleaning of old pipes.
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Affiliation(s)
- Chenhao Tian
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, P R China
| | - Chenghong Feng
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, P R China.
| | - Lei Chen
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, P R China
| | - Qixuan Wang
- The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, P R China
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19
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Zhao M, Wang W, Jiang Z, Zhu Z, Liu D, Pan F. Long-Term Effect of Post-traumatic Stress in Adolescence on Dendrite Development and H3K9me2/BDNF Expression in Male Rat Hippocampus and Prefrontal Cortex. Front Cell Dev Biol 2020; 8:682. [PMID: 32850808 PMCID: PMC7412801 DOI: 10.3389/fcell.2020.00682] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/06/2020] [Indexed: 01/10/2023] Open
Abstract
Exposure to a harsh environment in early life increases in the risk of post-traumatic stress disorder (PTSD) of an individual. Brain derived neurotrophic factor (BDNF) plays an important role in neurodevelopment in developmental stages. Both chronic and traumatic stresses induce a decrease in the level of BDNF and reduce neural plasticity, which is linked to the pathogenesis of PTSD. Also, studies have shown that stress alters the epigenetic marker H3K9me2, which can bind to the promoter region of the Bdnf gene and reduce BDNF protein level. However, the long-term effects of traumatic stress during adolescence on H3K9me2, BDNF expression and dendrite development are not well-known. The present study established a model of PTSD in adolescent rats using an inescapable foot shock (IFS) procedure. Anxiety-like behaviors, social interaction behavior and memory function were assessed by the open field test, elevated plus maze test, three-chamber sociability test and Morris water maze test. In addition, neuronal development and H3K9me2/BDNF expression in hippocampus (HIP) and prefrontal cortex (PFC) were evaluated by Golgi staining, western blotting, qRT-PCR analysis and CHIP-qPCR analysis. Additionally, the Unc0642, a small molecule inhibitor of histone methyltransferase (EHMT2) was used for intervention. The results showed that the IFS procedure induced the PTSD-like behaviors in rats, resulted in fewer dendrite branches and shorter dendrite length in CA1 of HIP and PFC, increased H3K9me2 level and decreased BDNF expression in HIP and PFC. Also, although all the changes can persist to adulthood, Unc0642 administration relieved most of alterations. Our study suggests that traumatic stress in adolescence leads to immediate and long-term mental disorders, neuronal morphological changes, lower BDNF level and increased H3K9me2 level in the HIP and PFC, indicating that H3K9me2/BDNF dysfunction plays a key role in pathogenesis of PTSD.
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Affiliation(s)
- Mingyue Zhao
- Department of Medical Psychology and Medical Ethics, School of Basic Medicine Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Wei Wang
- Department of Medical Psychology and Medical Ethics, School of Basic Medicine Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhijun Jiang
- Department of Medical Psychology and Medical Ethics, School of Basic Medicine Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zemeng Zhu
- Department of Medical Psychology and Medical Ethics, School of Basic Medicine Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Dexiang Liu
- Department of Medical Psychology and Medical Ethics, School of Basic Medicine Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Fang Pan
- Department of Medical Psychology and Medical Ethics, School of Basic Medicine Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
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20
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Krupińska I. Aluminium Drinking Water Treatment Residuals and Their Toxic Impact on Human Health. Molecules 2020; 25:molecules25030641. [PMID: 32024220 PMCID: PMC7037863 DOI: 10.3390/molecules25030641] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/27/2020] [Accepted: 01/29/2020] [Indexed: 11/16/2022] Open
Abstract
Aluminium exerts undeniable human health effects, so its concentration should be controlled in water treatment plants. The article presents and discusses the results of studies on the influence of selected properties of aluminium coagulants on the concentration of aluminium remaining in the purified water. The coagulants used were classical hydrolysing aluminium salts: aluminium sulphate (VI) and sodium aluminate as well as pre-hydrolysed polyaluminium chlorides: Flokor 105B and PAX XL10 that had different the alkalinity coefficient r = [OH-]/[Al3+]. The Al species distribution in the coagulants samples were analysed by the Ferron complexation timed spectrophotometry. On the basis of their reaction rates with ferron reagent, the aluminium species were divided into three categories: monomeric (Ala), medium polymerised (Alb) and colloidal (Alc). The usefulness of the tested aluminium coagulants due to the concentration of residual aluminium and dissolved aluminium, which is easily assimilated by the human body, was increased according to the following series: sodium aluminate (Ala = 100%, Alb = 0) < aluminium sulphate (VI) (Ala = 91%, Alb = 9%) < PAX XL 10 (Ala = 6%, Alb = 28%, r = 2.10) < Flokor 105B (Ala = 3%, Alb = 54%, r = 2.55).
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Affiliation(s)
- Izabela Krupińska
- Faculty of Civil Engineering, Architecture and Environmental Engineering, Institute of Environmental Engineering, University of Zielona Góra, 15 Prof. Z. Szafrana St, 65-516 Zielona Góra, Poland
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