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Li N, Yao CY, Diao J, Liu XL, Tang EJ, Huang QS, Zhou YM, Hu YG, Li XK, Long JY, Xiao H, Li DW, Du N, Li YF, Luo P, Cai TJ. The role of MAPK/NF-κB-associated microglial activation in T-2 toxin-induced mouse learning and memory impairment. Food Chem Toxicol 2023; 174:113663. [PMID: 36775139 DOI: 10.1016/j.fct.2023.113663] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/10/2022] [Accepted: 02/09/2023] [Indexed: 02/12/2023]
Abstract
T-2 toxin is a mycotoxin with multiple toxic effects and has emerged as an important food pollutant. Microglia play a significant role in the toxicity of various neurotoxins. However, whether they participate in the neurotoxicity of T-2 toxin has not been reported. To clarify this point, an in vivo mouse model of T-2 toxin (4 mg/kg) poisoning was established. The results of Morris water maze and open-field showed that T-2 toxin induced learning and memory impairment and locomotor inhibition. Meanwhile, T-2 toxin induced microglial activation, while inhibiting microglia activation by minocycline (50 mg/kg) suppressed the toxic effect of the T-2 toxin. To further unveil the potential mechanisms involved in T-2 toxin-induced microglial activation, an in vitro model of T-2 toxin (0, 2.5, 5, 10 ng/mL) poisoning was established using BV-2 cells. Transcriptomic sequencing revealed lots of differentially expressed genes related to MAPK/NF-κB pathway. Western blotting results further confirmed that T-2 toxin (5 ng/mL) induced the activation of MAPKs and their downstream NF-κB. Moreover, the addition of inhibitors of NF-κB and MAPKs reversed the microglial activation induced by T-2 toxin. Overall, microglial activation may contribute a considerable role in T-2 toxin-induced behavioral abnormalities, which could be MAPK/NF-κB pathway dependent.
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Affiliation(s)
- Na Li
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Chun-Yan Yao
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jun Diao
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China; Chongqing Jiulongpo District Center for Disease Control and Prevention, Chongqing, 400050, China
| | - Xiao-Ling Liu
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - En-Jie Tang
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Qing-Song Huang
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yu-Meng Zhou
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yue-Gu Hu
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Xiu-Kuan Li
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jin-Yun Long
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Hua Xiao
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Da-Wei Li
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Ning Du
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Ya-Fei Li
- Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Peng Luo
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China.
| | - Tong-Jian Cai
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, 550025, China; Department of Epidemiology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
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Zong Q, Pan Y, Liu Y, Wu Z, Huang Z, Zhang Y, Ma K. pNaktide mitigates inflammation-induced neuronal damage and behavioral deficits through the oxidative stress pathway. Int Immunopharmacol 2023; 116:109727. [PMID: 36689848 DOI: 10.1016/j.intimp.2023.109727] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/28/2022] [Accepted: 01/09/2023] [Indexed: 01/22/2023]
Abstract
Neuroinflammation is closely related to the etiology and progression of neurodegenerative diseases such as Parkinson disease and Alzheimer disease. pNaktide, an Src inhibitor, exerts antioxidant effects by mimicking Na/K-ATPase. It has been verified that its anti-inflammation and anti-oxidation ability could be embodied in obesity, steatohepatitis, uremic cardiomyopathy, aging, and prostate cancer. This study aimed to investigate the effects and mechanisms of pNaktide in lipopolysaccharide (LPS)-induced behavioral damage, neuroinflammation, and neuronal damage. We found that pNaktide improved anxiety, memory, and motor deficits. pNaktide inhibited MAPK and NF-κB pathways induced by TLR4 activation, inhibited the NLRP3 inflammasome complex, and reduced the expression of inflammatory factors, complement factors, and chemokines. pNaktide inhibited the activation of Nrf2 and HO-1 antioxidant stress pathways by LPS and reduced the level of oxidative stress. Inhibition of autophagy and enhancement of apoptosis induced by LPS were also alleviated by pNaktide, which restored LPS-induced injury to newborn neurons in the hippocampus region. In summary, pNaktide attenuates neuroinflammation, reduces the level of oxidative stress, has neuroprotective effects, and may be used for the treatment of neuroinflammation-related diseases.
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Affiliation(s)
- Qinglan Zong
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China
| | - Yue Pan
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China
| | - Yongfang Liu
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China
| | - Zhengcun Wu
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China
| | - Zhangqiong Huang
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China.
| | - Ying Zhang
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China.
| | - Kaili Ma
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China.
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3
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Huang K, Lai S, Guo M, Zhu X, Yuan J, Liu Z, Hu G, Gao Y. Comparison of toxicity between lanthanum oxide nanoparticles and lanthanum chloride. J RARE EARTH 2023. [DOI: 10.1016/j.jre.2023.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Liu C, She Y, Huang J, Liu Y, Li W, Zhang C, Zhang T, Yu L. HMGB1-NLRP3-P2X7R pathway participates in PM 2.5-induced hippocampal neuron impairment by regulating microglia activation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 239:113664. [PMID: 35605331 DOI: 10.1016/j.ecoenv.2022.113664] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/12/2022] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
Neuroinflammation is a key mechanism underlying the cognitive impairment induced by PM2.5, and activated microglia plays an important role in this process. However, the mechanisms by which activated microglia induced by PM2.5 impair hippocampal neurons have not been fully elucidated. In this study, we focused on the role of HMGB1-NLRP3-P2X7R pathway which mediated the microglia activation in hippocampal neurons impairment induced by PM2.5 using a co-culture model of microglia and hippocampal neurons. We found that PM2.5 resulted in activated microglia and HMGB1-NLRP3 inflammatory pathway, and elevated proinflammatory cytokines of IL-18 and IL-1β in a dose-dependent manner. Notably, we next utilized previously reported pharmacological inhibitors or siRNA for HMGB1 and found that they significantly inhibited the activation of downstream NLRP3 and MAPK pathways derived from PM2.5 exposure, and down-regulated IL-18 and IL-1β in microglia. Furthermore, we employed co-cultured hippocampal neurons and microglia and found that reducing HMGB1 significantly decreased neuron impairment, apoptosis related protein of cl-caspase3, synaptic damage, and neurotransmitter receptor of 5-HT2A, along with notably elevated presynaptic and postsynaptic proteins of SYP and PSD-95, as well as learning and memory related proteins of p-CREB and BDNF. The neuronal impairment induced by PM2.5 could not be prevented in the case of simultaneous employment of HMGB1 siRNA and NLRP3 agonist. After silencing NLRP3 alone in microglia, hippocampal neurons demonstrated decreased excessive autophagy and up-regulated synaptic protein of GAP43 as well as learning and memory related protein of NCAM1. Therefore, we further studied how hippocampal neurons affected microglia under PM2.5 exposure, Further investigation indicated that silencing HMGB1 could affect the activation of P2X7R and reduce the release of ATP from hippocampal neurons, thus protecting the interaction between microglia and hippocampal neurons. The present work suggests that regulation of HMGB1-NLRP3-P2X7R pathway can inhibit the microglia activation induced by PM2.5 to alleviate hippocampal neuron impairment and stabilize the microenvironment between microglia and neurons. This contributes to maintaining the normal function of hippocampal neurons and alleviating the cognitive impairment derived from PM2.5 exposure.
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Affiliation(s)
- Chong Liu
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Yingjie She
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Jia Huang
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Yongping Liu
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Wanwei Li
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China
| | - Can Zhang
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA
| | - Tianliang Zhang
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China.
| | - Li Yu
- School of Basic Medical Sciences, Experimental Center for Medical Research, Neurologic Disorders and Regeneration Repair Lab of Shandong Higher Education, Weifang Medical University, Weifang, China.
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Bacha L, Ventura R, Barrios M, Seabra J, Tschoeke D, Garcia G, Masi B, Macedo L, Godoy JMDO, Cosenza C, de Rezende CE, Lima V, Ottoni AB, Thompson C, Thompson F. Risk of Collapse in Water Quality in the Guandu River (Rio de Janeiro, Brazil). MICROBIAL ECOLOGY 2022; 84:314-324. [PMID: 34424345 DOI: 10.1007/s00248-021-01839-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
The Guandu River, one of the main rivers in the state of Rio de Janeiro, provides water for more than nine million people in the metropolitan region. However, the Guandu has suffered from massive domestic and industrial pollution for more than two decades, leading to high levels of dissolved total phosphorus, cyanobacteria, and enteric bacteria observed during the summers of 2020 and 2021. The use of Phoslock, a palliative compound, was not effective in mitigating the levels of phosphorus in the Guandu River. Furthermore, potable water driven from the river had levels of 2-MIB/geosmin and a mud smell/taste. With all these problems, several solutions are proposed for improving the Guandu River water quality, including establishment of (i) sewage treatment plants (STPs), (ii) strict water quality monitoring, (iii) environmental recovery (e.g., reforestation), and (iv) permanent protected areas. The objective of this paper is to verify the poor water quality in the Guandu and the ineffectiveness and undesired effects of Phoslock.
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Affiliation(s)
- Leonardo Bacha
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Rodrigo Ventura
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Maria Barrios
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Jean Seabra
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Diogo Tschoeke
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Gizele Garcia
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Bruno Masi
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Larissa Macedo
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | | | - Carlos Cosenza
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Carlos E de Rezende
- Laboratório de Ciências Ambientais, Universidade Estadual Do Norte Fluminense (UENF), Campos de Goytacazes, Brazil
| | - Vinicius Lima
- Laboratório de Ciências Ambientais, Universidade Estadual Do Norte Fluminense (UENF), Campos de Goytacazes, Brazil
| | - Adacto B Ottoni
- Departamento de Engenharia Sanitária E Do Meio Ambiente, Universidade Do Estado Do Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Cristiane Thompson
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Fabiano Thompson
- Institute of Biology and Sage-Coppe, Universidade Federal Do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
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Chen F, Deng Q, Wu Y, Wu Y, Chen J, Chen Y, Lin L, Qiu Y, Pan L, Zheng X, Wei L, Liu F, He B, Wang J. U-Shaped Relationship of Rare Earth Element Lanthanum and Oral Cancer Risk: A Propensity Score-Based Study in the Southeast of China. Front Public Health 2022; 10:905690. [PMID: 35646760 PMCID: PMC9133527 DOI: 10.3389/fpubh.2022.905690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
As an important rare earth element (REE) extensively applied to industry, agriculture, and medicine, lanthanum (La) has attracted a host of health concerns. This study aimed to explore the relationship between La exposure and the risk of developing oral cancer through a case-control study with a large sample size. Serum La levels of 430 oral cancer patients and 1,118 healthy controls were detected by inductively coupled plasma mass spectrometry (ICP-MS). The association of La level with the risk of oral cancer was assessed in two ways: (1) as a continuous scale based on restricted cubic splines (RCS); (2) as a priori defined centile categories using multivariate logistic regression model, based on propensity score matching (PSM) and inverse probability of treatment weighting (IPTW). The RCS revealed a non-linear U-shaped relationship between serum La and oral cancer risk. Serum La deficiency or excess was associated with an increased risk of oral cancer. When the La level was analyzed as a categorical variable, a similar U-shaped association was observed. Of note, compared to those with La concentrations of 0.243–0.341 μg/L (reference quantiles, 41st−60th), the risk was increased in those with the lower or higher quantiles (0.132–0.242 μg/L vs. 0.243–0.341 μg/L: OR = 1.80, 95%CI: 1.07–3.02; 0.342–0.497 μg/L vs. 0.243–0.341 μg/L: OR = 2.30, 95%CI: 1.38–3.84). The results were generally consistent with the PSM and IPTW analyses. This preliminary study provides strong evidence that there was a U-shaped relationship between serum La levels and oral cancer risk. Much additional work is warranted to confirm our findings.
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Affiliation(s)
- Fa Chen
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Qingrong Deng
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Yuxuan Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Yuying Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Jinfa Chen
- Laboratory Center, School of Public Health, Fujian Medical University, Fuzhou, China
| | - Yujia Chen
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Lisong Lin
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Yu Qiu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Lizhen Pan
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Xiaoyan Zheng
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Lihong Wei
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Fengqiong Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Baochang He
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Jing Wang
- Laboratory Center, School of Public Health, Fujian Medical University, Fuzhou, China
- *Correspondence: Jing Wang
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Yan L, Yang J, Yu M, Sun W, Han Y, Lu X, Jin C, Wu S, Cai Y. Lanthanum Impairs Learning and Memory by Activating Microglia in the Hippocampus of Mice. Biol Trace Elem Res 2022; 200:1640-1649. [PMID: 35178682 DOI: 10.1007/s12011-021-02637-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/10/2021] [Indexed: 12/20/2022]
Abstract
Lanthanum can induce neurotoxicity and impair cognitive function; therefore, research on the mechanism by which the ability to learning and memory is decreased by lanthanum is vitally important for protecting health. Microglia are a type of neuroglia located throughout the brain and spinal cord that play an important role in the central nervous system. When overactive, these cells can cause the excessive production of inflammatory cytokines that can damage neighboring neurons. The purpose of this study was to explore the effect of lanthanum in the form of lanthanum chloride (LaCl3) on learning and the memory of mice and determine whether there is a relationship between hippocampal neurons or learning and memory damage and excessive production of inflammatory cytokines. Four groups of pregnant Chinese Kun Ming mice were exposed to 0, 18, 36, or 72 mM LaCl3 in their drinking water during lactation. The offspring were then exposed to LaCl3 in the breast milk at birth until weaning and then exposed to these concentrations in their drinking water for 2 months after weaning. The results showed that LaCl3 impaired learning and memory in mice and injured their neurons, activated the microglia, and significantly overregulated the mRNA and protein expression of tumor necrosis factor alpha, interleukin (IL)-1β, IL-6, monocyte chemoattractant protein-1, and nitric oxide in the hippocampus. The results of this study suggest that lanthanum can impair learning and memory in mice, possibly by over-activating the microglia.
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Affiliation(s)
- Licheng Yan
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
- Department of Toxicology, School of Public Health, North China University of Science and Technology, No.21 Bohai road, Caofeidian New Area, Tangshan, 063210, Hebei province, People's Republic of China
| | - Jinghua Yang
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Miao Yu
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Wenchang Sun
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Yarao Han
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Xiaobo Lu
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Cuihong Jin
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Shengwen Wu
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China
| | - Yuan Cai
- Department of Toxicology, School of Public Health, China Medical University, No.77 Puhe road, Shenyang North New Area, Shenyang, 110122, Liaoning province, People's Republic of China.
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Sun J, Zhang Y, Yan L, Liu S, Wang W, Zhu Y, Wang W, Li S, He B, Wu L, Zhang L. Action of the Nrf2/ARE signaling pathway on oxidative stress in choroid plexus epithelial cells following lanthanum chloride treatment. J Inorg Biochem 2022; 231:111792. [DOI: 10.1016/j.jinorgbio.2022.111792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 12/01/2022]
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9
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Xia Q, Zhan G, Mao M, Zhao Y, Li X. TRIM45 causes neuronal damage by aggravating microglia-mediated neuroinflammation upon cerebral ischemia and reperfusion injury. Exp Mol Med 2022; 54:180-193. [PMID: 35217833 PMCID: PMC8894463 DOI: 10.1038/s12276-022-00734-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 11/06/2021] [Accepted: 12/15/2021] [Indexed: 12/29/2022] Open
Abstract
Excessive and unresolved neuroinflammation is a key component of the pathological cascade in brain injuries such as ischemic stroke. Tripartite motif-containing 45 (TRIM45) is a ubiquitin E3 ligase involved in various critical biological processes. However, the role of TRIM45 in cerebral ischemia remains unknown. Here, we found that the TRIM45 protein was highly expressed in the peri-infarct areas of mice subjected to cerebral ischemia and reperfusion injury induced by middle cerebral artery occlusion. This study systemically evaluated the putative role of TRIM45 in the regulation of neuroinflammation during ischemic injury and the potential underlying mechanisms. We found that TRIM45 knockdown significantly decreased proinflammatory cytokine and chemokine production in primary cultured microglia challenged with oxygen-glucose deprivation and reoxygenation (OGD/R) treatment. Mechanistically, we demonstrated that TRIM45 constitutively interacted with TAB2 and consequently facilitated the Lys-63-linked polyubiquitination of TAB2, leading to the formation of the TAB1-TAK1-TAB2 complex and activation of TAK1, which was ultimately followed by activation of the nuclear factor-kappa B (NF-κB) signaling pathway. In an in vitro coculture Transwell system, downregulation of TRIM45 expression also inhibited the OGD/R-induced activation of microglia and alleviated neuronal apoptosis. More importantly, microglia-specific knockdown of TRIM45 in mice significantly reduced the infarct size, mitigated neurological deficit scores, and improved cognitive function after ischemic stroke. Taken together, our study reveals that the TRIM45-TAB2 axis is a crucial checkpoint that controls NF-κB signaling in microglia during cerebral ischemia and reperfusion injury. Therefore, targeting TRIM45 may be an attractive therapeutic strategy.
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Affiliation(s)
- Qian Xia
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Gaofeng Zhan
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Meng Mao
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Yin Zhao
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China
| | - Xing Li
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei Province, China.
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Zhou C, Peng B, Qin Z, Zhu W, Guo C. Metformin attenuates LPS-induced neuronal injury and cognitive impairments by blocking NF-κB pathway. BMC Neurosci 2021; 22:73. [PMID: 34836498 PMCID: PMC8626880 DOI: 10.1186/s12868-021-00678-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 11/11/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Neuroinflammatory response is considered to be a high-risk factor for cognitive impairments in the brain. Lipopolysaccharides (LPS) is an endotoxin that induces acute inflammatory responses in injected bodies. However, the molecular mechanisms underlying LPS-associated cognitive impairments still remain unclear. METHODS Here, primary hippocampal neurons were treated with LPS, and western blotting and immunofluorescence were used to investigate whether LPS induces neurons damage. At the same time, SD rats were injected with LPS (830 μg/Kg) intraperitoneally, and Open field test, Novel Objective Recognition test, Fear condition test were used to detect cognitive function. LTP was used to assess synaptic plasticity, and molecular biology technology was used to assess the NF-κB pathway, while ELISA was used to detect inflammatory factors. In addition, metformin was used to treat primary hippocampal neurons, and intraventricularly administered to SD rats. The same molecular technics, behavioral and electrophysiological tests were used to examine whether metformin could alleviate the LPS-associated neuronal damage, as well as synaptic plasticity, and behavioral alterations in SD rats. RESULTS Altogether, neuronal damage were observed in primary hippocampal neurons after LPS intervention, which were alleviated by metformin treatment. At the same time, LPS injection in rat triggers cognitive impairment through activation of NF-κB signaling pathway, and metformin administration alleviates the LPS-induced memory dysfunction and improves synaptic plasticity. CONCLUSION These findings highlight a novel pathogenic mechanism of LPS-related cognitive impairments through activation of NF-κB signaling pathway, and accumulation of inflammatory mediators, which induces neuronal pathologic changes and cognitive impairments. However, metformin attenuates LPS-induced neuronal injury and cognitive impairments by blocking NF-κB pathway.
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Affiliation(s)
- Chenliang Zhou
- Department of Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bo Peng
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhenghui Qin
- Department of Critical Care Medicine, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Wei Zhu
- Department of Critical Care Medicine, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Cuiping Guo
- Department of Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, China
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11
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Han G, Tan Z, Jing H, Ning J, Li Z, Gao S, Li G. Comet Assay Evaluation of Lanthanum Nitrate DNA Damage in C57-ras Transgenic Mice. Biol Trace Elem Res 2021; 199:3728-3736. [PMID: 33403576 DOI: 10.1007/s12011-020-02500-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 11/17/2020] [Indexed: 12/24/2022]
Abstract
Due to the wide application of rare-earth elements (REEs) in the last decades, lanthanum has increasingly entered the environment and has gradually accumulated in the human body through the food chain. Lanthanum is worth paying attention in terms of food safety. Although the genotoxicity of lanthanum has been studied in vitro, data on its DNA damage in vivo rodent are limited, moreover, which have also presented some controversy. This study aimed to conduct an in vivo rodent alkaline comet assay, and as a companion test to the lanthanum nitrate carcinogenicity test. We conducted an oral gavage experiment for 180 days (26 weeks) to test for the persistence of DNA damage of long-term low-dose accumulation of lanthanum nitrate (12.5, 25, and 50 mg/kg body weight), in F1 hybrid C57-ras transgenic mice (CB6F1) by using alkaline comet assay in the blood and liver. The comet assay revealed that all the tested concentrations of lanthanum nitrate did not induce DNA damage in any of the tissues investigated, whereas DNA damage was induced in the positive control group. These results could indicate that lanthanum nitrate can accumulate in tissues and organs of the mice after exposure, and does not possess DNA damage in C57-ras transgenic mice after repeated treatments at oral doses up to 50 mg/kg·BW for 26 weeks; also, it did not cause pathological changes in the liver of the mice.
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Affiliation(s)
- Gaochao Han
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China
- School of Public Health, Capital Medical University, No. 10, West Toutiao, Youanmenwai, Fengtai District, Beijing, 100069, China
| | - Zhuangsheng Tan
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China
| | - Haiming Jing
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China
- School of Public Health, Capital Medical University, No. 10, West Toutiao, Youanmenwai, Fengtai District, Beijing, 100069, China
| | - Junyu Ning
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China
- School of Public Health, Capital Medical University, No. 10, West Toutiao, Youanmenwai, Fengtai District, Beijing, 100069, China
| | - Zinan Li
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China
- School of Public Health, Capital Medical University, No. 10, West Toutiao, Youanmenwai, Fengtai District, Beijing, 100069, China
| | - Shan Gao
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China
| | - Guojun Li
- Institute of Toxicology, Beijing Center for Disease Prevention and Control/Beijing Research Center for Preventive Medicine/Beijing Key Laboratory of Diagnostic and Traceablity Technologies for Food Poisoning, No. 16, Hepingli Middle Street, Dongcheng District, Beijing, 100013, China.
- School of Public Health, Capital Medical University, No. 10, West Toutiao, Youanmenwai, Fengtai District, Beijing, 100069, China.
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12
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Liu J, Feng R, Wang D, Huo T, Jiang H. Triclosan-induced glycolysis drives inflammatory activation in microglia via the Akt/mTOR/HIF 1α signaling pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 224:112664. [PMID: 34416638 DOI: 10.1016/j.ecoenv.2021.112664] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 08/13/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
Exposure to triclosan (TCS) has been implicated in neurotoxicity including autism spectrum disorders in vivo and oxidative stress and cell apoptosis in vitro. Thus, the molecular mechanisms underlying TCS-induced neurotoxicity warrants further research. In this study, we try to address the mode of action that TCS induced the expression of inflammatory cytokines by shifting metabolism to glycolysis. BV-2 cells were treated with 20 μM TCS for 24 h, and the conditional medium from TCS-induced activated microglia reduced the viability of the murine hippocampal neurons cell line HT22. Protein expression levels in the nuclear factor kappa B (NF-κB) signaling pathway were measured through Western blotting, and the expression levels of inflammatory cytokine were measured using quantitative real-time PCR. The results showed that exposure to TCS enhanced NF-κB activation, increased inflammatory cytokine expression including interleukin (IL) 1β, IL-6, and tumor necrosis factor (TNF) α in the BV-2 cells. The glucose consumption and lactate production in BV2 cell increased sharply after exposure to TCS for 24 h. Based on our qPCR and Western blotting results, the expression of the key glycolysis enzymes-namely hexokinase 1, pyruvate kinase M2, and lactate dehydrogenase A-increased after treatment with 20 μM TCS. Furthermore, inhibiting glycolysis by 2-deoxy-D-glucose reduced the activation of NF-κB and the mRNA expression of the inflammatory cytokines in the TCS-activated BV-2 microglia. The expression of the proteins of the Akt/mTOR/HIF1α pathway examined through Western blotting, which regulates glycolysis, also increased in the BV2 cells exposed to TCS. Moreover, Akt and mTOR inhibition by using LY294002 and rapamycin, respectively, blocked inflammatory cytokine overexpression induced by TCS. In conclusion, TCS can induce glycolysis and directly drive inflammatory activation in microglia; with the mediation of the Akt/mTOR/HIF1α pathway.
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Affiliation(s)
- Jieyu Liu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, 110122, PR China
| | - Rui Feng
- Department of Health Laboratory Technology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, 110122, PR China
| | - Dan Wang
- Department of Health Laboratory Technology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, 110122, PR China
| | - Taoguang Huo
- Department of Health Laboratory Technology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, 110122, PR China
| | - Hong Jiang
- Department of Health Laboratory Technology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province, 110122, PR China.
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13
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Malvandi AM, Shahba S, Mohammadipour A, Rastegar-Moghaddam SH, Abudayyak M. Cell and molecular toxicity of lanthanum nanoparticles: are there possible risks to humans? Nanotoxicology 2021; 15:951-972. [PMID: 34143944 DOI: 10.1080/17435390.2021.1940340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Lanthanum nanoparticles are widely used in industry, agriculture, and biomedicine. Over 900 kg of lanthanum is annually released into the environment only in Europe, 50 times higher than the metals, mercury, and cadmium's environmental spread. Human health risk associated with long-term exposure to the abundant lanthanum nanoparticles is a concerning environmental issue. Due to lanthanum's ability to disrupt the main biological barriers and interrupt various cells' hemostasis, they seem to cause severe disruptions to various tissues. This review opens a new perspective regarding the cellular and molecular interaction of nanosized and ionic lanthanum with the possible toxicity on the nervous system and other tissues that would show lanthanum nanoparticles' potential danger to follow in toxicological science.
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Affiliation(s)
| | - Sara Shahba
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Mahmoud Abudayyak
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
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14
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Moons R, Konijnenberg A, Mensch C, Van Elzen R, Johannessen C, Maudsley S, Lambeir AM, Sobott F. Metal ions shape α-synuclein. Sci Rep 2020; 10:16293. [PMID: 33004902 PMCID: PMC7529799 DOI: 10.1038/s41598-020-73207-9] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/27/2020] [Indexed: 12/24/2022] Open
Abstract
α-Synuclein is an intrinsically disordered protein that can self-aggregate and plays a major role in Parkinson's disease (PD). Elevated levels of certain metal ions are found in protein aggregates in neurons of people suffering from PD, and environmental exposure has also been linked with neurodegeneration. Importantly, cellular interactions with metal ions, particularly Ca2+, have recently been reported as key for α-synuclein's physiological function at the pre-synapse. Here we study effects of metal ion interaction with α-synuclein at the molecular level, observing changes in the conformational behaviour of monomers, with a possible link to aggregation pathways and toxicity. Using native nano-electrospray ionisation ion mobility-mass spectrometry (nESI-IM-MS), we characterize the heterogeneous interactions of alkali, alkaline earth, transition and other metal ions and their global structural effects on α-synuclein. Different binding stoichiometries found upon titration with metal ions correlate with their specific binding affinity and capacity. Subtle conformational effects seen for singly charged metals differ profoundly from binding of multiply charged ions, often leading to overall compaction of the protein depending on the preferred binding sites. This study illustrates specific effects of metal coordination, and the associated electrostatic charge patterns, on the complex structural space of the intrinsically disordered protein α-synuclein.
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Affiliation(s)
- Rani Moons
- Biomolecular and Analytical Mass Spectrometry Group, University of Antwerp, Antwerp, Belgium.,Receptor Biology Laboratory, University of Antwerp, Antwerp, Belgium
| | - Albert Konijnenberg
- Biomolecular and Analytical Mass Spectrometry Group, University of Antwerp, Antwerp, Belgium
| | - Carl Mensch
- Molecular Spectroscopy Group, University of Antwerp, Antwerp, Belgium.,Flemish Supercomputer Centre, Antwerp, Belgium
| | - Roos Van Elzen
- Laboratory of Medical Biochemistry, University of Antwerp, Antwerp, Belgium
| | | | - Stuart Maudsley
- Receptor Biology Laboratory, University of Antwerp, Antwerp, Belgium
| | - Anne-Marie Lambeir
- Laboratory of Medical Biochemistry, University of Antwerp, Antwerp, Belgium
| | - Frank Sobott
- Biomolecular and Analytical Mass Spectrometry Group, University of Antwerp, Antwerp, Belgium. .,Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, UK. .,School of Molecular and Cellular Biology, University of Leeds, Leeds, UK.
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15
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Du P, Wang J, Han Y, Feng J. Blocking the LncRNA MALAT1/miR-224-5p/NLRP3 Axis Inhibits the Hippocampal Inflammatory Response in T2DM With OSA. Front Cell Neurosci 2020; 14:97. [PMID: 32477065 PMCID: PMC7235443 DOI: 10.3389/fncel.2020.00097] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 03/31/2020] [Indexed: 12/18/2022] Open
Abstract
Studies have shown that diabetes can cause cognitive dysfunction, and cognitive dysfunction in patients with diabetes combined with obstructive sleep apnea (OSA) is more severe. LncRNAs are known to be associated with type 2 diabetes mellitus (T2DM) with OSA. This study aimed to investigate the role and underlying mechanism of the lncRNA MALAT1/miR-224-5p/NLRP3 axis in T2DM with OSA. qRT-PCR was used to quantify the expression of MALAT1, miR-224-5p, and NLRP3 in brain tissues. NLRP3 expression was assessed by immunohistochemistry (IHC) and immunofluorescent labeling. The interaction involving MALAT1, miR-224-5p, and NLRP3 was evaluated by transfection. Western blotting was utilized to evaluate the expression levels of the pathway-related proteins NLRP3, caspase 1, tumor necrosis factor-α (TNF-α) and interleukin-1 β (IL-1β) both in vitro and in vivo. qRT-PCR was used to assess the mRNA expression levels of NLRP3, caspase 1, TNF-α and IL-1β both in vitro and in vivo. In brain tissues of T2DM with OSA, MALAT1 and NLRP3 were overexpressed, while miR-224-5p was downregulated, which was consistent with subsequent cell experiments. We screened the miRNAs that could bind to MALAT1 and NLRP3 by the StarBase database and the TargetScanMouse7.2 website. Our research showed that among these miRNAs, the level of miR-224-5p was most significantly negatively correlated with the levels of MALAT1 and NLRP3. Also, a firefly luciferase assay showed that miR-224-5p, which is a target of MALAT1, directly reduced the expression of the downstream protein NLRP3. Overexpression of miR-224-5p significantly inhibited the expression levels of NLRP3, caspase 1, TNF-α and IL-1β in vitro. MALAT1 promoted NLRP3 expression by acting as a competing endogenous RNA and sponging miR-224-5p. MiR-224-5p reduces microglial inflammation activation through the regulation of NLRP3 expression, which ultimately affected the NLRP3/IL-1β pathway in the hippocampus. This suggests that miR-224-5p may serve as a potential target for T2DM and OSA therapy.
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Affiliation(s)
- Ping Du
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Jiahui Wang
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Yelei Han
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Jing Feng
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
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16
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Wu J, Yang J, Yu M, Sun W, Han Y, Lu X, Jin C, Wu S, Cai Y. Lanthanum chloride causes blood–brain barrier disruption through intracellular calcium-mediated RhoA/Rho kinase signaling and myosin light chain kinase. Metallomics 2020; 12:2075-2083. [DOI: 10.1039/d0mt00187b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lanthanum caused endothelial barrier hyperpermeability, loss of VE-cadherin and rearrangement of the actin cytoskeleton, though intracellular Ca2+-mediated RhoA/ROCK and MLCK pathways.
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Affiliation(s)
- Jie Wu
- Department of Occupational and Environmental Health
- School of Public Health
- Jinzhou Medical University
- Jinzhou 121001
- P. R. China
| | - Jinghua Yang
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Miao Yu
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Wenchang Sun
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Yarao Han
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Xiaobo Lu
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Cuihong Jin
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Shengwen Wu
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
| | - Yuan Cai
- Department of Hygiene Toxicology
- School of Public Health
- China Medical University
- Shenyang 110122
- P. R. China
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