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Koenig AB, Tan A, Abdelaal H, Monge F, Younossi ZM, Goodman ZD. Review article: Hepatic steatosis and its associations with acute and chronic liver diseases. Aliment Pharmacol Ther 2024; 60:167-200. [PMID: 38845486 DOI: 10.1111/apt.18059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 04/23/2024] [Accepted: 05/13/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Hepatic steatosis is a common finding in liver histopathology and the hallmark of metabolic dysfunction-associated steatotic liver disease (MASLD), formerly known as non-alcoholic fatty liver disease (NAFLD), whose global prevalence is rising. AIMS To review the histopathology of hepatic steatosis and its mechanisms of development and to identify common and rare disease associations. METHODS We reviewed literature on the basic science of lipid droplet (LD) biology and clinical research on acute and chronic liver diseases associated with hepatic steatosis using the PubMed database. RESULTS A variety of genetic and environmental factors contribute to the development of chronic hepatic steatosis or steatotic liver disease, which typically appears macrovesicular. Microvesicular steatosis is associated with acute mitochondrial dysfunction and liver failure. Fat metabolic processes in hepatocytes whose dysregulation leads to the development of steatosis include secretion of lipoprotein particles, uptake of remnant lipoprotein particles or free fatty acids from blood, de novo lipogenesis, oxidation of fatty acids, lipolysis and lipophagy. Hepatic insulin resistance is a key feature of MASLD. Seipin is a polyfunctional protein that facilitates LD biogenesis. Assembly of hepatitis C virus takes place on LD surfaces. LDs make important, functional contact with the endoplasmic reticulum and other organelles. CONCLUSIONS Diverse liver pathologies are associated with hepatic steatosis, with MASLD being the most important contributor. The biogenesis and dynamics of LDs in hepatocytes are complex and warrant further investigation. Organellar interfaces permit co-regulation of lipid metabolism to match generation of potentially toxic lipid species with their LD depot storage.
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Affiliation(s)
- Aaron B Koenig
- Beatty Liver and Obesity Research Program, Inova Health System, Falls Church, Virginia, USA
| | - Albert Tan
- Beatty Liver and Obesity Research Program, Inova Health System, Falls Church, Virginia, USA
- Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, Virginia, USA
| | - Hala Abdelaal
- Beatty Liver and Obesity Research Program, Inova Health System, Falls Church, Virginia, USA
- Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, Virginia, USA
| | - Fanny Monge
- Beatty Liver and Obesity Research Program, Inova Health System, Falls Church, Virginia, USA
- Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, Virginia, USA
| | - Zobair M Younossi
- Beatty Liver and Obesity Research Program, Inova Health System, Falls Church, Virginia, USA
- The Global NASH Council, Center for Outcomes Research in Liver Diseases, Washington, DC, USA
| | - Zachary D Goodman
- Beatty Liver and Obesity Research Program, Inova Health System, Falls Church, Virginia, USA
- Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, Virginia, USA
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2
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Yang S, Hong F, Li S, Han X, Li J, Wang X, Chen L, Zhang X, Tan X, Xu J, Duoji Z, Ciren Z, Guo B, Zhang J, Zhao X. The association between chemical constituents of ambient fine particulate matter and obesity in adults: A large population-based cohort study. ENVIRONMENTAL RESEARCH 2023; 231:116228. [PMID: 37230219 DOI: 10.1016/j.envres.2023.116228] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/09/2023] [Accepted: 05/22/2023] [Indexed: 05/27/2023]
Abstract
OBJECTIVES Current evidence demonstrated that ambient fine particulate matter with an aerodynamic diameter ≤2.5 μm (PM2.5) and its constituents may be obesogenic in children, but evidence from adults is lacking. Our aim was to characterize the association between PM2.5 and its constituents and obesity in adults. METHODS We included 68,914 participants from the China Multi-Ethnic Cohort (CMEC) baseline survey. Three-year average concentrations of PM2.5 and its constituents were evaluated by linking pollutant estimates to the geocoded residential addresses. Obesity was defined as body mass index (BMI) ≥ 28 kg/m2. Logistic regression was used to examine the relationship between PM2.5 and its constituents and obesity. We performed weighed quantile sum (WQS) regression to get the overall effect of PM2.5 and its constituents and the relative contribution of each constituent. RESULTS Per-SD increase in PM2.5 (odds ratio [OR] = 1.43, 95% confidence interval [CI]: 1.37-1.49), black carbon (BC) (1.42, 1.36-1.48), ammonium (1.43, 1.37-1.49), nitrate (1.44, 1.38-1.50), organic matter (OM) (1.45, 1.39-1.51), sulfate (1.42, 1.35-1.48), and soil particles (SOIL) (1.31, 1.27-1.36) were positively associated with obesity, and SS (0.60, 0.55-0.65) was negatively associated with obesity. The overall effect (OR = 1.34, 95% CI: 1.29-1.41) of the PM2.5 and its constituents was positively associated with obesity, and ammonium made the most contribution to this relationship. Participants who were older, female, never smoked, lived in urban areas, had lower income or higher levels of physical activity were more significantly adversely affected by PM2.5, BC, ammonium, nitrate, OM, sulfate and SOIL compared to other individuals. CONCLUSION Our study revealed that PM2.5 constituents except SS were positively associated with obesity, and ammonium played the most important role. These findings provided new evidence for public health interventions, especially the precise prevention and control of obesity.
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Affiliation(s)
- Shaokun Yang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Feng Hong
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Sicheng Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Xinyu Han
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Jiawei Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Xing Wang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Lin Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Xuehui Zhang
- School of Public Health, Kunming Medical University, Kunming, China
| | - Xi Tan
- Wuhou District Center for Disease Control and Prevention, Chengdu, China
| | - Jingru Xu
- Chongqing Municipal Center for Disease Control and Prevention, Chongqing, China
| | - Zhuoma Duoji
- School of Medicine, Tibet University, Lhasa, China
| | - Zhuoga Ciren
- School of Medicine, Tibet University, Lhasa, China
| | - Bing Guo
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Juying Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China.
| | - Xing Zhao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China.
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3
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Rahman M, Upadhyay S, Ganguly K, Introna M, Ji J, Boman C, Muala A, Blomberg A, Sandström T, Palmberg L. Comparable Response Following Exposure to Biodiesel and Diesel Exhaust Particles in Advanced Multicellular Human Lung Models. TOXICS 2023; 11:532. [PMID: 37368632 DOI: 10.3390/toxics11060532] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 05/31/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023]
Abstract
Biodiesel is considered to be a sustainable alternative for fossil fuels such as petroleum-based diesel. However, we still lack knowledge about the impact of biodiesel emissions on humans, as airways and lungs are the primary target organs of inhaled toxicants. This study investigated the effect of exhaust particles from well-characterized rapeseed methyl ester (RME) biodiesel exhaust particles (BDEP) and petro-diesel exhaust particles (DEP) on primary bronchial epithelial cells (PBEC) and macrophages (MQ). The advanced multicellular physiologically relevant bronchial mucosa models were developed using human primary bronchial epithelial cells (PBEC) cultured at air-liquid interface (ALI) in the presence or absence of THP-1 cell-derived macrophages (MQ). The experimental set-up used for BDEP and DEP exposures (18 µg/cm2 and 36 µg/cm2) as well as the corresponding control exposures were PBEC-ALI, MQ-ALI, and PBEC co-cultured with MQ (PBEC-ALI/MQ). Following exposure to both BDEP and DEP, reactive oxygen species as well as the stress protein heat shock protein 60 were upregulated in PBEC-ALI and MQ-ALI. Expression of both pro-inflammatory (M1: CD86) and repair (M2: CD206) macrophage polarization markers was increased in MQ-ALI after both BDEP and DEP exposures. Phagocytosis activity of MQ and the phagocytosis receptors CD35 and CD64 were downregulated, whereas CD36 was upregulated in MQ-ALI. Increased transcript and secreted protein levels of CXCL8, as well as IL-6 and TNF-α, were detected following both BDEP and DEP exposure at both doses in PBEC-ALI. Furthermore, the cyclooxygenase-2 (COX-2) pathway, COX-2-mediated histone phosphorylation and DNA damage were all increased in PBEC-ALI following exposure to both doses of BDEP and DEP. Valdecoxib, a COX-2 inhibitor, reduced the level of prostaglandin E2, histone phosphorylation, and DNA damage in PBEC-ALI following exposure to both concentrations of BDEP and DEP. Using physiologically relevant multicellular human lung mucosa models with human primary bronchial epithelial cells and macrophages, we found BDEP and DEP to induce comparable levels of oxidative stress, inflammatory response, and impairment of phagocytosis. The use of a renewable carbon-neutral biodiesel fuel does not appear to be more favorable than conventional petroleum-based alternative, as regards of its potential for adverse health effects.
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Affiliation(s)
- Mizanur Rahman
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Swapna Upadhyay
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Koustav Ganguly
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Micol Introna
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Jie Ji
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Christoffer Boman
- Thermochemical Energy Conversion Laboratory, Department of Applied Physics and Electronics, Umeå University, 901 87 Umeå, Sweden
| | - Ala Muala
- Department of Public Health and Clinical Medicine, Umeå University, 901 87 Umeå, Sweden
| | - Anders Blomberg
- Department of Public Health and Clinical Medicine, Umeå University, 901 87 Umeå, Sweden
| | - Thomas Sandström
- Department of Public Health and Clinical Medicine, Umeå University, 901 87 Umeå, Sweden
| | - Lena Palmberg
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
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Yu H, Xu L, Cui T, Wang Y, Wang B, Zhang Z, Su R, Zhang J, Zhang R, Wei Y, Li D, Jin X, Chen W, Zheng Y. The foam cell formation associated with imbalanced cholesterol homeostasis due to airborne magnetite nanoparticles exposure. Toxicol Sci 2022; 189:287-300. [PMID: 35913497 DOI: 10.1093/toxsci/kfac079] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Fine particulate matter (PM) is a leading environmental cause for the increased morbidity and mortality of atherosclerosis (AS) worldwide, but little is known about the toxic component and disturbance of PM exposure on foam cell formation, a crucial pathological process in AS. Airborne magnetite nanoparticles (NPs) have been reported to be detected in human serum, which inevitably encounter with macrophages in atherosclerotic plaques, thus throwing potential disturbance on the formation of macrophage-derived foam cells. Here we comprehensively unveiled that the environmental concentrations of PM exposure triggered and potentiated the formation of macrophage-derived foam cells using both real-ambient PM exposed mice and atherosclerosis mice models, including high-fat diet (HFD)-fed mice and apolipoprotein E (ApoE)-deficient mice. The in vitro model further defined the dose-dependent response of PM treatment on foam cell formation. Interestingly, airborne magnetite NPs rather than non-magnetic NPs at the same concentration were demonstrated to be the key toxic component of PM in the promoted foam cell formation. Furthermore, magnetite NPs exposure led to abnormal cholesterol accumulation in macrophages, which was attributed to the attenuation of cholesterol efflux and enhancement of lipoprotein uptake, but independent of cholesterol esterification. The in-depth data revealed that magnetite NPs accelerated the protein ubiquitination and subsequent degradation of SR-B1, a crucial transporter of cholesterol efflux. Collectively, these findings for the first time identified magnetite NPs as one key toxic component of PM-promoted foam cell formation, and provided new insight of abnormal cholesterol metabolism into the pathogenesis of PM-induced atherosclerosis.
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Affiliation(s)
- Haiyi Yu
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Liting Xu
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Tenglong Cui
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Yu Wang
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Baoqiang Wang
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Ze Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Ruijun Su
- Department of Biology, Taiyuan Normal University, Taiyuan, 030619, China
| | - Jingxu Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Rong Zhang
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yanhong Wei
- Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Daochuan Li
- Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Xiaoting Jin
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Wen Chen
- Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510275, China
| | - Yuxin Zheng
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao, 266071, China
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Martin de Lagarde V, Rogez-Florent T, Cazier F, Dewaele D, Cazier-Dennin F, Ollivier A, Janona M, Achard S, André V, Monteil C, Corbière C. Oxidative potential and in vitro toxicity of particles generated by pyrotechnic smokes in human small airway epithelial cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 239:113637. [PMID: 35605322 DOI: 10.1016/j.ecoenv.2022.113637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 04/20/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
Pyrotechnic smokes are widely used in civilian and military applications. The major issue arise from the release of particles after smoke combustion but the health risks related to their exposure are poorly documented whereas toxicity of airborne particles on the respiratory target are very well known. Therefore, this study aimed to explore the in vitro toxicity of the particle fraction of different pyrotechnic smokes. Particles from a red signalling smoke (RSS), an hexachloroethane-based obscuring smoke (HC-OS) and an anti-intrusion smoke (AIS) were collected from the cloud. RSS particles displayed the highest organic fraction (quinones and polycyclic aromatic hydrocarbons) of the three samples characterized. AIS particles contained K and cholesterol derivatives. HC-OS particles were mainly metallic with very high concentrations of Al, Fe and Ca. Intrinsic oxidative potential of smoke particles was measured with two assays. Depletions of DTT by RSS particles was greater than depletion obtained with AIS and HC-OS particles but depletion of acid ascorbic (AA) was only observed with HC-OS particles. In vitro toxicity was assessed by exposing human small airway epithelial cells (SAEC) to various concentrations of particles. After 24 h of exposure, cell viability was not affected but significant modifications of mRNA expression of antioxidant (SOD-1 and -2, catalase, HO-1, NQO-1) and inflammatory markers (IL-6, IL-8, TNF-α) were observed and were dependent on smoke type. Particles rich in metal, such as HC-OS, induced a greatest depletion of AA and a greatest inflammatory response, whereas particles rich in organic compounds, such as RSS, induced a greatest DTT depletion and a greatest antioxidant response. In conclusion, the three smoke particles have an intrinsic oxidative potential and triggered a cell adaptive response. Our study improved the knowledge of particle toxicity of pyrotechnic smokes and scientific approach developed here could be used to study other type of particles.
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Affiliation(s)
| | | | - Fabrice Cazier
- Univ. Littoral Côte d'Opale, CCM - Centre Commun de Mesures, Dunkerque, France
| | - Dorothée Dewaele
- Univ. Littoral Côte d'Opale, CCM - Centre Commun de Mesures, Dunkerque, France
| | - Francine Cazier-Dennin
- Univ. Littoral Côte d'Opale, EA 4492 - UCEIV - Unité de Chimie Environnementale et Interactions sur le Vivant, SFR Condorcet FR CNRS 417, Dunkerque, France
| | - Alexane Ollivier
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France
| | - Marion Janona
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France
| | - Sophie Achard
- Univ. de Paris, Faculté de Pharmacie, Inserm UMR1153 - CRESS, HERA " Health Environmental Risk Assessment ", Paris, France
| | - Véronique André
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France
| | | | - Cécile Corbière
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France.
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Park S, Ku J, Lee SM, Hwang H, Lee N, Kim H, Yoon KJ, Kim Y, Choi SQ. Potential toxicity of inorganic ions in particulate matter: Ion permeation in lung and disruption of cell metabolism. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153818. [PMID: 35157864 DOI: 10.1016/j.scitotenv.2022.153818] [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: 11/11/2021] [Revised: 02/08/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Exposure to ambient particulate matter (PM) is associated with adverse health effects. Yet, due to the complexity of its chemical composition, the molecular effects of PM exposure and the mechanism of PM-mediated toxicity remain largely unknown. Here, we show that water-soluble inorganics such as nitrate and sulfate ions, rather than PM itself, rapidly penetrate the lung surfactant barrier to the alveolar region and perturb gene expression in the lungs. Through high-throughput sequencing of lung adenocarcinoma cells, we find that exposure to nitrate and sulfate ions activates the cholesterol biosynthetic metabolism and induces the expression of genes related to tumorigenesis. Transcriptome analysis of mouse lungs exposed to nitrate/sulfate aerosols reveals interferon gamma-associated immune response. Interestingly, we find that exposure to a nitrate/sulfate mixture leads to a unique gene expression pattern that is not observed when nitrate or sulfate is treated alone. Our work suggests that the water-soluble ions are a potential source of PM-mediated toxicity and provides a roadmap to unveil the molecular mechanism of health hazards from PM exposure.
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Affiliation(s)
- Sujin Park
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea; KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Jayoung Ku
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea; KAIST Institute for Health Science and Technology (KIHST), Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Sung-Min Lee
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Huiseon Hwang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Namseok Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea; KAIST Institute for Health Science and Technology (KIHST), Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Hanul Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea; KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Ki-Jun Yoon
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
| | - Yoosik Kim
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea; KAIST Institute for Health Science and Technology (KIHST), Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.
| | - Siyoung Q Choi
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea; KAIST Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea.
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7
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Wu S, Chen Z, Yang L, Zhang Y, Luo X, Guo J, Shao Y. Particle-bound PAHs induced glucose metabolism disorders through HIF-1 pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 797:149132. [PMID: 34311363 DOI: 10.1016/j.scitotenv.2021.149132] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/29/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Vehicle exhaust, as one of the most important compositions of air pollution, induced various adverse health effects, especially diabetes, on human beings. Even though monitoring and epidemiological data indicates that particle-bound polycyclic aromatic hydrocarbons (PAHs) is an inducing factor of diabetes, the specific causative mechanisms are still unclear. In the current study, the concentration of particulate matters (PMs, including PM1.0, PM2.5 and PM10.0) and PAHs was investigated at rush hour of weekday in three urban underground parking garages (UPGs). To evaluate the impacts of particle-bound PAHs on human beings, analysis of non-target metabolomics and unmetabolized PAHs were conducted for UPG and non-UPG worker urine samples. The results showed that the highest concentrations of PMs and total PAHs were found at the UPG entrance. The concentrations of unmetabolized 5-6 rings PAHs in the UPG worker urine were significantly higher than that in non-UPG worker urine samples, which induced glucose metabolism disorders through hypoxia-inducible factor 1 (HIF-1) signaling pathway. This could be a reason for particle-bound PAHs induced-diabetes on road workers, drivers and garage staff. These findings can serve as a step towards air pollution management and the pathological mechanism analysis of environmental factor induced-diseases.
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Affiliation(s)
- Siqi Wu
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Zhongli Chen
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Li Yang
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Yulin Zhang
- Chongqing University Cancer Hospital, 181 Hanyu Road, Shapingba disctrict, 400030 Chongqing, China; Chongqing Cancer Institute, 181 Hanyu Road, Shapingba disctrict, 400030 Chongqing, China; Chongqing Cancer Hospital, 181 Hanyu Road, Shapingba disctrict, 400030 Chongqing, China
| | - Xiaohe Luo
- The Center of Clinical Research of Endocrinology and Metabolic Diseases in Chongqing, 404000 Chongqing, China; Department of Laboratory Medicine, Chongqing University Three Gorges Hospital, School of Medicine, Chongqing University, 404000 Chongqing, China
| | - Jinsong Guo
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China
| | - Ying Shao
- Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, China.
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8
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Shkirkova K, Lamorie-Foote K, Connor M, Patel A, Barisano G, Baertsch H, Liu Q, Morgan TE, Sioutas C, Mack WJ. Effects of ambient particulate matter on vascular tissue: a review. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2020; 23:319-350. [PMID: 32972334 PMCID: PMC7758078 DOI: 10.1080/10937404.2020.1822971] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Fine and ultra-fine particulate matter (PM) are major constituents of urban air pollution and recognized risk factors for cardiovascular diseases. This review examined the effects of PM exposure on vascular tissue. Specific mechanisms by which PM affects the vasculature include inflammation, oxidative stress, actions on vascular tone and vasomotor responses, as well as atherosclerotic plaque formation. Further, there appears to be a greater PM exposure effect on susceptible individuals with pre-existing cardiovascular conditions.
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Affiliation(s)
| | - Krista Lamorie-Foote
- Zilkha Neurogenetic Institute, University of Southern California
- Keck School of Medicine, University of Southern California
| | - Michelle Connor
- Zilkha Neurogenetic Institute, University of Southern California
- Keck School of Medicine, University of Southern California
| | - Arati Patel
- Zilkha Neurogenetic Institute, University of Southern California
- Keck School of Medicine, University of Southern California
| | | | - Hans Baertsch
- Zilkha Neurogenetic Institute, University of Southern California
- Keck School of Medicine, University of Southern California
| | - Qinghai Liu
- Zilkha Neurogenetic Institute, University of Southern California
| | - Todd E. Morgan
- Leonard Davis School of Gerontology, University of Southern California
| | - Constantinos Sioutas
- Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California
| | - William J. Mack
- Zilkha Neurogenetic Institute, University of Southern California
- Leonard Davis School of Gerontology, University of Southern California
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9
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Nery N, Setúbal S, Boeno C, Lopes J, Paloschi M, Pontes A, Luna K, Zuliani J. Bothrops erythromelas venom and its action on isolated murine macrophages. Toxicon 2020; 185:156-163. [DOI: 10.1016/j.toxicon.2020.07.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/15/2020] [Accepted: 07/18/2020] [Indexed: 11/25/2022]
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10
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Yang H, Li J, Yang C, Liu H, Cao Y. Multi-walled carbon nanotubes promoted lipid accumulation in human aortic smooth muscle cells. Toxicol Appl Pharmacol 2019; 374:11-19. [DOI: 10.1016/j.taap.2019.04.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/23/2019] [Accepted: 04/26/2019] [Indexed: 12/21/2022]
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11
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Liu J, Liang S, Du Z, Zhang J, Sun B, Zhao T, Yang X, Shi Y, Duan J, Sun Z. PM 2.5 aggravates the lipid accumulation, mitochondrial damage and apoptosis in macrophage foam cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 249:482-490. [PMID: 30928520 DOI: 10.1016/j.envpol.2019.03.045] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 03/11/2019] [Accepted: 03/11/2019] [Indexed: 06/09/2023]
Abstract
Epidemiological evidence showed that the particulate matter exposure is associated with atherosclerotic plaque progression, which may be related to foam cell formation, but the mechanism is still unknown. The study was aimed to investigate the toxic effects and possible mechanism of PM2.5 on the formation of macrophage foam cells induced by oxidized low density lipoprotein (ox-LDL). Results showed that PM2.5 induced cytotoxicity by decreasing the cell viability and increasing the LDH level in macrophage foam cells. PM2.5 aggravated the lipid accumulation in ox-LDL-stimulated macrophage RAW264.7 within markedly increasing level of intracellular lipid by Oil red O staining. The level of ROS increased obivously after co-exposure to PM2.5 and ox-LDL than single exposure group. In addition, serious mitochondrial damage such as the mitochondrial swelling, cristae rupturing and disappearance were observed in macrophage foam cells. The loss of the mitochondrial membrane potential (MMP) further exacerbated the mitochondrial damage in PM2.5-induced macrophage foam cells. The apoptotic rate increased more severely via up-regulated protein level of Bax, Cyt C, Caspase-9, Caspase-3, and down-regulated that of Bcl-2, indicating that PM2.5 activated the mitochondrial-mediated apoptosis pathway. In summary, our results demonstrated that PM2.5 aggravated the lipid accumulation, mitochondrial damage and apoptosis in macrophage foam cells, suggesting that PM2.5 was a risk factor of atherosclerosis progression.
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Affiliation(s)
- Jiangyan Liu
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Shuang Liang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Zhou Du
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Jingyi Zhang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Baiyang Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Tong Zhao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Xiaozhe Yang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Yanfeng Shi
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Junchao Duan
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China.
| | - Zhiwei Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
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12
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Long J, Ma W, Yu Z, Liu H, Cao Y. Multi-walled carbon nanotubes (MWCNTs) promoted lipid accumulation in THP-1 macrophages through modulation of endoplasmic reticulum (ER) stress. Nanotoxicology 2019; 13:938-951. [DOI: 10.1080/17435390.2019.1597204] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Jimin Long
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, People’s Republic of China
| | - Wen Ma
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People’s Republic of China
| | - Zhiqiang Yu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, People’s Republic of China
| | - Hongwen Liu
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, People’s Republic of China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, People’s Republic of China
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13
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Jiang M, Wu B, Sun Y, Ding Y, Xie Y, Liu L, Cao Y. Toxicity of ZnO nanoparticles (NPs) to THP-1 macrophages: interactions with saturated or unsaturated free fatty acids. Toxicol Mech Methods 2019; 29:291-299. [DOI: 10.1080/15376516.2018.1550130] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Mengdie Jiang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, P.R. China
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, P.R. China
| | - Bihan Wu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, P.R. China
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, P.R. China
| | - Yongbing Sun
- National Engineering Research Center for Solid Preparation Technology of Chinese Medicines, Jiangxi University of Traditional Chinese Medicines, Jiangxi Nanchang, PR China
| | - Yanhuai Ding
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, P.R. China
| | - Yixi Xie
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, P.R. China
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, P.R. China
| | - Yi Cao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, P.R. China
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, P.R. China
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14
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Chen J, Yang T, Long J, Ding Y, Li J, Li X, Cao Y. Palmitate enhanced the cytotoxicity of ZnO nanomaterials possibly by promoting endoplasmic reticulum stress. J Appl Toxicol 2019; 39:798-806. [DOI: 10.1002/jat.3768] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 12/04/2018] [Accepted: 12/04/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Jiamao Chen
- College of Animal Science, Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production and Construction CorpsTarim University Xinjiang People's Republic of China
- Key Laboratory of Environment‐Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
| | - Ting Yang
- College of Animal Science, Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production and Construction CorpsTarim University Xinjiang People's Republic of China
- Key Laboratory of Environment‐Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
| | - Jimin Long
- Key Laboratory of Environment‐Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
| | - Yanhuai Ding
- Key Laboratory of Environment‐Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
| | - Juan Li
- Key Laboratory of Environment‐Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
| | - Xianqiang Li
- College of Animal Science, Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production and Construction CorpsTarim University Xinjiang People's Republic of China
| | - Yi Cao
- College of Animal Science, Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production and Construction CorpsTarim University Xinjiang People's Republic of China
- Key Laboratory of Environment‐Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
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15
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Wang M, Yang Q, Long J, Ding Y, Zou X, Liao G, Cao Y. A comparative study of toxicity of TiO 2, ZnO, and Ag nanoparticles to human aortic smooth-muscle cells. Int J Nanomedicine 2018; 13:8037-8049. [PMID: 30568444 PMCID: PMC6267729 DOI: 10.2147/ijn.s188175] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
PURPOSE To evaluate the adverse vascular effects of nanoparticles (NPs) in vitro, extensive studies have investigated the toxicity of NPs on endothelial cells, but the knowledge of potential toxicity on human smooth-muscle cells (SMCs) is currently limited. METHODS This study compared the toxicity of TiO2, ZnO, and Ag NPs to human aortic SMCs. RESULTS Only ZnO NPs significantly induced cytotoxicity, accompanied by increased intracellular reactive oxygen species, Zn ions, and endoplasmic reticulum stress biomarkers (DDIT3 expression and p-Chop proteins). All the NPs significantly promoted the release of soluble VCAM1 and soluble sICAM1, but not IL6, which suggested that metal-based NPs might promote inflammatory responses. Furthermore, KLF4 expression (a transcription factor for SMC-phenotype switch) was significantly induced by TiO2 NPs and modestly by ZnO NPs, but the expression of CD68 remained unaltered. CONCLUSION Our data indicated that ZnO NPs were more cytotoxic to human aortic SMCs than TiO2 and Ag NPs at the same mass concentrations, which might have been associated with intracellular reactive oxygen species, Zn ions, and endoplasmic reticulum stress.
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Affiliation(s)
- Maolin Wang
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China,
| | - Qianyu Yang
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China,
| | - Jimin Long
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China,
| | - Yanghuai Ding
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China,
| | - Xiaoqing Zou
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China,
| | - Guochao Liao
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, People's Republic of China,
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China,
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16
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Zhao C, Zhou Y, Liu L, Long J, Liu H, Li J, Cao Y. Lipid accumulation in multi-walled carbon nanotube-exposed HepG2 cells: Possible role of lipophagy pathway. Food Chem Toxicol 2018; 121:65-71. [PMID: 30138652 DOI: 10.1016/j.fct.2018.08.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 08/14/2018] [Accepted: 08/20/2018] [Indexed: 12/30/2022]
Abstract
Nanoparticle (NP) exposure might promote hepatic steatosis, but relatively few studies investigated the influence of multi-walled carbon nanotubes (MWCNTs) on lipid accumulation in hepatocytes in vitro. This study investigated lipid accumulation and the possible role of lipophagy (autophagic degradation of lipid droplets) in MWCNT-exposed HepG2 cells. Pristine (XFM19) and carboxylated MWCNTs (XFM21) were internalized, accompanying cytotoxicity, lysosomal destabilization, and intracellular reactive oxygen species (ROS) production. Compared with XFM21, XFM19 promoted lipid accumulation in HepG2 cells more effectively, which was further enhanced by pre-incubation with autophagy inhibitor NH4Cl. In addition, MWCNTs increased the expression of lipophagy genes PLIN2 and BECN1 but decreased that of ATG7. The expression of endoplasmic reticulum (ER) stress regulators, namely DDIT3, HSPA5, and XBP-1s, was also altered in MWCNT exposed HepG2 cells. Combined, these results suggested that MWCNT exposure might promote lipid accumulation in hepatocytes probably through the modulation of lipophagy pathway.
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Affiliation(s)
- Chunxue Zhao
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yiwei Zhou
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China; Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, PR China
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, PR China
| | - Jimin Long
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Hongwen Liu
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Juan Li
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China.
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China; Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, PR China.
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17
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Yan D, Long J, Liu J, Cao Y. The toxicity of ZnO nanomaterials to HepG2 cells: the influence of size and shape of particles. J Appl Toxicol 2018; 39:231-240. [DOI: 10.1002/jat.3712] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 07/06/2018] [Accepted: 07/16/2018] [Indexed: 01/07/2023]
Affiliation(s)
- Dejian Yan
- School of Chemical Engineering; Xiangtan University; Hunan 411105 People's Republic of China
| | - Jimin Long
- School of Chemical Engineering; Xiangtan University; Hunan 411105 People's Republic of China
| | - Jikai Liu
- School of Chemical Engineering; Xiangtan University; Hunan 411105 People's Republic of China
| | - Yi Cao
- School of Chemical Engineering; Xiangtan University; Hunan 411105 People's Republic of China
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18
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Liang H, He T, Long J, Liu L, Liao G, Ding Y, Cao Y. Influence of bovine serum albumin pre-incubation on toxicity and ER stress-apoptosis gene expression in THP-1 macrophages exposed to ZnO nanoparticles. Toxicol Mech Methods 2018; 28:587-598. [DOI: 10.1080/15376516.2018.1479907] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Hongying Liang
- Institute of Rheological Mechanics, Xiangtan University, Hunan, China
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, China
| | - Tong He
- Institute of Rheological Mechanics, Xiangtan University, Hunan, China
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, China
| | - Jimin Long
- Institute of Rheological Mechanics, Xiangtan University, Hunan, China
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, China
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China
| | - Guochao Liao
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanhuai Ding
- Institute of Rheological Mechanics, Xiangtan University, Hunan, China
| | - Yi Cao
- Institute of Rheological Mechanics, Xiangtan University, Hunan, China
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, China
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China
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19
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Luo Y, Wu C, Liu L, Gong Y, Peng S, Xie Y, Cao Y. 3-Hydroxyflavone enhances the toxicity of ZnO nanoparticles in vitro. J Appl Toxicol 2018; 38:1206-1214. [DOI: 10.1002/jat.3633] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 03/12/2018] [Accepted: 03/22/2018] [Indexed: 01/01/2023]
Affiliation(s)
- Yunfeng Luo
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry; Xiangtan University; Xiangtan 411105 People's Republic of China
| | - Chaohua Wu
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry; Xiangtan University; Xiangtan 411105 People's Republic of China
| | - Liangliang Liu
- Institute of Bast Fiber Crops; Chinese Academy of Agricultural Sciences; Changsha 410205 People's Republic of China
| | - Yu Gong
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry; Xiangtan University; Xiangtan 411105 People's Republic of China
| | - Shengming Peng
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry; Xiangtan University; Xiangtan 411105 People's Republic of China
| | - Yixi Xie
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry; Xiangtan University; Xiangtan 411105 People's Republic of China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry; Xiangtan University; Xiangtan 411105 People's Republic of China
- Institute of Bast Fiber Crops; Chinese Academy of Agricultural Sciences; Changsha 410205 People's Republic of China
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20
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Gong Y, Li X, Liao G, Ding Y, Li J, Cao Y. Cytotoxicity and ER stress-apoptosis gene expression in ZnO nanoparticle exposed THP-1 macrophages: influence of pre-incubation with BSA or palmitic acids complexed to BSA. RSC Adv 2018; 8:15380-15388. [PMID: 35539503 PMCID: PMC9079995 DOI: 10.1039/c8ra02509f] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 04/16/2018] [Indexed: 01/10/2023] Open
Abstract
In a biological microenvironment, biological macromolecules could interact with nanoparticles (NPs) and consequently influence the toxicity of NPs. This study investigated the effects of BSA or palmitic acids complexed to BSA (PA-BSA) on the toxicity of ZnO NPs to THP-1 macrophages. Atomic force microscopy showed the increase of NP heights after pre-incubation with BSA or PA-BSA, but PA-BSA more effectively altered the hydrodynamic size and zeta potential of NPs. Pre-incubation with BSA but not PA-BSA alleviated ZnO NP induced cytotoxicity, and transmission electron microscopy confirmed fewer intrastructural changes after exposure to ZnO NPs pre-incubated with BSA. ZnO NP exposure increased intracellular Zn ions but decreased reactive oxygen species (ROS) and release of soluble monocyte chemotactic protein-1 (sMCP-1), whereas pre-incubation with BSA and PA-BSA induced a different pattern of intracellular Zn ions and modestly increased intracellular ROS. The expression of ER stress marker DDIT3 was only significantly induced after exposure to NPs pre-incubated with PA-BSA, and CASP12 expression was significantly lower after exposure to NPs pre-incubated with BSA compared to NPs with or without pre-incubation of PA-BSA. In summary, these results showed that pre-incubation with BSA was more effective compared with PA-BSA to alleviate the toxicity of ZnO NPs to THP-1 macrophages, which should be considered for the evaluation of NP toxicity in a biological microenvironment.
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Affiliation(s)
- Yu Gong
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University Xiangtan 411105 P. R. China
| | - Xianqiang Li
- College of Animal Science, Tarim University, Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production & Construction Corps Alar 843300 P. R. China
| | - Guochao Liao
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine Guangzhou Guangdong 510006 P. R. China
| | - Yanhuai Ding
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University Xiangtan 411105 P. R. China
| | - Juan Li
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University Xiangtan 411105 P. R. China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University Xiangtan 411105 P. R. China
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21
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Long J, Li X, Kang Y, Ding Y, Gu Z, Cao Y. Internalization, cytotoxicity, oxidative stress and inflammation of multi-walled carbon nanotubes in human endothelial cells: influence of pre-incubation with bovine serum albumin. RSC Adv 2018; 8:9253-9260. [PMID: 35541834 PMCID: PMC9078695 DOI: 10.1039/c8ra00445e] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 02/22/2018] [Indexed: 12/30/2022] Open
Abstract
When entering circulation, multi-walled carbon nanotubes (MWCNTs) will inevitably adsorb proteins, which can consequently influence their toxicity to cells lining human blood vessels. In this study, we investigated the influence of pre-incubation with bovine serum albumin (BSA) on internalization, cytotoxicity, oxidative stress and inflammation induced by pristine/carboxylated MWCNTs to human umbilical vein endothelial cells (HUVECs). Atomic force microscopy (AFM) indicated the adsorption of proteins onto the surface of MWCNTs, which consequently increased the diameter. Pre-incubation with BSA did not obviously influence the hydrodynamic sizes, but decreased the zeta potential of MWCNTs. Transmission electron microscopy (TEM) indicated the internalization of both types of MWCNTs into HUVECs, whereas pre-incubation with BSA appeared to enhance the internalization. MWCNT exposure induced cytotoxicity and oxidative stress, as well as a modest inflammatory response shown as an increased THP-1 adhesion to HUVECs, but not release of interleukin 6 (IL-6) or tumor necrosis factor (TNFα). Exposure to MWCNTs pre-incubated with BSA induced less cytotoxicity to HUVECs, associated with increased intracellular glutathione (GSH). However, MWCNTs induced IL-6 and TNFα release, as well as THP-1 adhesion to HUVECs, were enhanced after pre-incubation with BSA. In summary, these data indicated that pre-incubation with BSA could enhance the internalization of MWCNTs to HUVECs, which consequently reduces the cytotoxicity and oxidative stress, but enhances the inflammatory response of MWCNTs. The reduced cytotoxicity and oxidative stress, and enhanced inflammatory responses are likely due to a combined effect of BSA and MWCNTs, which suggests that when assessing the biological effects of MWCNTs in circulation, it is necessary to consider the interactions between MWCNTs and serum proteins. When entering circulation, multi-walled carbon nanotubes (MWCNTs) will inevitably adsorb proteins, which can consequently influence their toxicity to cells lining human blood vessels.![]()
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Affiliation(s)
- Jimin Long
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- China
| | - Xianqiang Li
- College of Animal Science
- Tarim University
- Key Laboratory of Tarim Animal Husbandry Science and Technology of Xinjiang Production & Construction Corps
- Alar
- China
| | - Yang Kang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- China
| | - Yanhuai Ding
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education
- Laboratory of Biochemistry
- College of Chemistry
- Xiangtan University
- Xiangtan 411105
| | - Zhipeng Gu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry Education
- Laboratory of Biochemistry
- College of Chemistry
- Xiangtan University
- Xiangtan 411105
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22
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Long J, Xiao Y, Liu L, Cao Y. The adverse vascular effects of multi-walled carbon nanotubes (MWCNTs) to human vein endothelial cells (HUVECs) in vitro: role of length of MWCNTs. J Nanobiotechnology 2017; 15:80. [PMID: 29126419 PMCID: PMC5681822 DOI: 10.1186/s12951-017-0318-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 11/06/2017] [Indexed: 12/21/2022] Open
Abstract
Background Increasing evidences indicate that exposure to multi-walled carbon nanotubes (MWCNTs) could induce adverse vascular effects, but the role of length of MWCNTs in determining the toxic effects is less studied. This study investigated the adverse effects of two well-characterized MWCNTs to human umbilical vein endothelial cells (HUVECs). Methods The internalization and localization of MWCNTs in HUVECs were examined by using transmission electron microscopy (TEM). The cytotoxicity of MWCNTs to HUVECs was assessed by water soluble tetrazolium-8 (WST-8), lactate dehydrogenase (LDH) and neutral red uptake assays. Oxidative stress was indicated by the measurement of intracellular glutathione (GSH) and reactive oxygen species (ROS). ELISA was used to determine the release of inflammatory cytokines. THP-1 monocyte adhesion to HUVECs was also measured. To indicate the activation of endoplasmic reticulum (ER) stress, the expression of ddit3 and xbp-1s was measured by RT-PCR, and BiP protein level was measured by Western blot. Results Transmission electron microscopy observation indicates the internalization of MWCNTs into HUVECs, with a localization in nuclei and mitochondria. The longer MWCNTs induced a higher level of cytotoxicity to HUVECs compared with the shorter ones. Neither of MWCNTs significantly promoted intracellular ROS, but the longer MWCNTs caused a higher depletion of GSH. Exposure to both types of MWCNTs significantly promoted THP-1 adhesion to HUVECs, accompanying with a significant increase of release of interleukin-6 (IL-6) but not tumor necrosis factor α (TNFα), soluble ICAM-1 (sICAM-1) or soluble VCAM-1 (sVCAM-1). Moreover, THP-1 adhesion and release of IL-6 and sVCAM-1 induced by the longer MWCNTs were significantly higher compared with the responses induced by the shorter ones. The biomarker of ER stress, ddit3 expression, but not xbp-1s expression or BiP protein level, was significantly induced by the exposure of longer MWCNTs. Conclusions Combined, these results indicated length dependent toxic effects of MWCNTs to HUVECs in vitro, which might be associated with oxidative stress and activation of ER stress. Electronic supplementary material The online version of this article (10.1186/s12951-017-0318-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jimin Long
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, People's Republic of China.,Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Yafang Xiao
- Institute of Functional Nano & Soft Materials (FUNSOM) and Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, Jiangsu, People's Republic of China
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, People's Republic of China.
| | - Yi Cao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, People's Republic of China. .,Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China.
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23
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Kelly FJ, Fussell JC. Role of oxidative stress in cardiovascular disease outcomes following exposure to ambient air pollution. Free Radic Biol Med 2017; 110:345-367. [PMID: 28669628 DOI: 10.1016/j.freeradbiomed.2017.06.019] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/02/2017] [Accepted: 06/28/2017] [Indexed: 12/19/2022]
Abstract
Exposure to ambient air pollution is associated with adverse cardiovascular outcomes. These are manifested through several, likely overlapping, pathways including at the functional level, endothelial dysfunction, atherosclerosis, pro-coagulation and alterations in autonomic nervous system balance and blood pressure. At numerous points within each of these pathways, there is potential for cellular oxidative imbalances to occur. The current review examines epidemiological, occupational and controlled exposure studies and research employing healthy and diseased animal models, isolated organs and cell cultures in assessing the importance of the pro-oxidant potential of air pollution in the development of cardiovascular disease outcomes. The collective body of data provides evidence that oxidative stress (OS) is not only central to eliciting specific cardiac endpoints, but is also implicated in modulating the risk of succumbing to cardiovascular disease, sensitivity to ischemia/reperfusion injury and the onset and progression of metabolic disease following ambient pollution exposure. To add to this large research effort conducted to date, further work is required to provide greater insight into areas such as (a) whether an oxidative imbalance triggers and/or worsens the effect and/or is representative of the consequence of disease progression, (b) OS pathways and cardiac outcomes caused by individual pollutants within air pollution mixtures, or as a consequence of inter-pollutant interactions and (c) potential protection provided by nutritional supplements and/or pharmacological agents with antioxidant properties, in susceptible populations residing in polluted urban cities.
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Affiliation(s)
- Frank J Kelly
- NIHR Health Protection Research Unit in Health Impact of Environmental Hazards, Facility of Life Sciences and Medicine, King's College London, 150 Stamford Street, London SE1 9NH, UK.
| | - Julia C Fussell
- NIHR Health Protection Research Unit in Health Impact of Environmental Hazards, Facility of Life Sciences and Medicine, King's College London, 150 Stamford Street, London SE1 9NH, UK
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24
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Lung inflammation and genotoxicity in mice lungs after pulmonary exposure to candle light combustion particles. Toxicol Lett 2017; 276:31-38. [DOI: 10.1016/j.toxlet.2017.04.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 04/20/2017] [Accepted: 04/24/2017] [Indexed: 11/21/2022]
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25
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Chen G, Shen Y, Li X, Jiang Q, Cheng S, Gu Y, Liu L, Cao Y. The endoplasmic reticulum stress inducer thapsigargin enhances the toxicity of ZnO nanoparticles to macrophages and macrophage-endothelial co-culture. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 50:103-110. [PMID: 28171821 DOI: 10.1016/j.etap.2017.01.020] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 01/22/2017] [Accepted: 01/26/2017] [Indexed: 06/06/2023]
Abstract
It was recently shown that exposure to ZnO nanoparticles (NPs) could induce endoplasmic reticulum (ER) stress both in vivo and in vitro, but the role of ER stress in ZnO NP induced toxicity remains unclear. Because macrophages are sensitive to ER stress, we hypothesized that stressing macrophages with ER stress inducer could enhance the toxicity of ZnO NPs. In this study, the effects of ER stress inducer thapsigargin (TG) on the toxicity of ZnO NPs to THP-1 macrophages were investigated. The results showed that TG enhanced ZnO NP induced cytotoxicity as revealed by water soluble tetrazolium-1 (WST-1) and neutral red uptake assays, but not lactate dehydrogenase (LDH) assay. ZnO NPs dose-dependently enhanced the accumulation of intracellular Zn ions without the induction of reactive oxygen species (ROS), and the presence of TG did not significantly affect these effects. In the co-culture, exposure of THP-1 macrophages in the upper chamber to ZnO NPs and TG significantly reduced the viability of human umbilical vein endothelial cells (HUVECs) in the lower chamber, but the release of tumor necrosis factor α (TNFα) was not induced. In summary, our data showed that stressing THP-1 macrophages with TG enhanced the cytotoxicity of ZnO NPs to macrophages and macrophage-endothelial co-cultures.
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Affiliation(s)
- Gui Chen
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yuexin Shen
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Xiyue Li
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Qin Jiang
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Shanshan Cheng
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yuxiu Gu
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, PR China.
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Lab of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China.
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26
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Gu Y, Cheng S, Chen G, Shen Y, Li X, Jiang Q, Li J, Cao Y. The effects of endoplasmic reticulum stress inducer thapsigargin on the toxicity of ZnO or TiO2 nanoparticles to human endothelial cells. Toxicol Mech Methods 2017; 27:191-200. [DOI: 10.1080/15376516.2016.1273429] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Yuxiu Gu
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Shanshan Cheng
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Gui Chen
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Yuexin Shen
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Xiyue Li
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Qin Jiang
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Juan Li
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, PR China
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27
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Liu F, Huang H, Gong Y, Li J, Zhang X, Cao Y. Evaluation of in vitro toxicity of polymeric micelles to human endothelial cells under different conditions. Chem Biol Interact 2016; 263:46-54. [PMID: 28025169 DOI: 10.1016/j.cbi.2016.12.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 12/16/2016] [Accepted: 12/22/2016] [Indexed: 11/19/2022]
Abstract
Polymeric micelles have been extensively studied in the area of antitumor therapy, and more recently explored as nanocarriers for atherosclerosis. These applications of polymeric micelles in biomedicine will increase their contact with human blood vessels. However, few studies have considered the interactions between polymeric micelles and endothelial cells, especially in a complex system. This study used human umbilical vein endothelial cells (HUVECs) as an in vitro model for endothelial cells to investigate the toxic effects of methoxy-poly(ethylene glycol)-poly(d,l-lactide) (MPEG-PLA) based micelles. In addition, an endoplasmic reticulum stress inducer thapsigargin (TG), and a pro-atherogenic stimulus palmitate (PA), were used to co-expose HUVECs to further mimic the responses of diseased endothelial cells to micelle exposure. Overall, up to 200 μg/mL micelles did not significantly induce cytotoxicity, reactive oxygen species (ROS), release of inflammatory mediators in terms of interleukin 6 (IL-6), IL-8 and soluble vascular cell adhesion molecule 1 (sVCAM-1), or adhesion of THP-1 monocytes to HUVECs. TG and PA significantly induced cytotoxicity and THP-1 adhesion as well as modestly promoted the release of IL-6, but did not affect ROS or release of sVCAM-1 and IL-8. Co-exposure of micelles did not significantly enhance the effects of TG and PA to HUVECs, and ANOVA analysis indicated no interaction between concentrations of micelles and the presence of TG/PA. Taken together, these data indicated that micelles are not toxic to HUVECs under different conditions in vitro.
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Affiliation(s)
- Fang Liu
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Haikang Huang
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry of Education, Key Laboratory of Advanced Functional Polymeric Materials of College of Hunan Province and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yu Gong
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Juan Li
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Xuefei Zhang
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry of Education, Key Laboratory of Advanced Functional Polymeric Materials of College of Hunan Province and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, College of Chemistry, Xiangtan University, Xiangtan 411105, China.
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Applications of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China.
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28
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Jiang Q, Li X, Cheng S, Gu Y, Chen G, Shen Y, Xie Y, Cao Y. Combined effects of low levels of palmitate on toxicity of ZnO nanoparticles to THP-1 macrophages. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 48:103-109. [PMID: 27770658 DOI: 10.1016/j.etap.2016.10.014] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/12/2016] [Accepted: 10/16/2016] [Indexed: 06/06/2023]
Abstract
We have recently proposed that the interaction between food components and nanoparticles (NPs) should be considered when evaluating the toxicity of NPs. In the present study, we used THP-1 differentiated macrophages as a model for immune cells and investigated the combined toxicity of low levels of palmitate (PA; 10 or 50μM) and ZnO NPs. The results showed that PA especially at 50μM changed the size, Zeta potential and UV-vis spectra of ZnO NPs, indicating a possible coating effect. Up to 32μg/mL ZnO NPs did not significantly affect mitochondrial activity, intracellular reactive oxygen species (ROS) or release of interleukin 6 (IL-6), but significantly impaired lysosomal function as assessed by neutral red uptake assay and acridine orange staining. The presence of 50μM PA, but not 10μM PA, further promoted the toxic effects of ZnO NPs to lysosomes but did not significantly affect other endpoints. In addition, ZnO NPs dose-dependently increased intracellular Zn ions in THP-1 macrophages, which was not significantly affected by PA. Taken together, the results of the present study showed a combined toxicity of low levels of PA and ZnO NPs especially to lysosomes in THP-1 macrophages.
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Affiliation(s)
- Qin Jiang
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Xiyue Li
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Shanshan Cheng
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yuxiu Gu
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Gui Chen
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yuexin Shen
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yixi Xie
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan 411105, PR China.
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29
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Gong Y, Ji Y, Liu F, Li J, Cao Y. Cytotoxicity, oxidative stress and inflammation induced by ZnO nanoparticles in endothelial cells: interaction with palmitate or lipopolysaccharide. J Appl Toxicol 2016; 37:895-901. [PMID: 27862064 DOI: 10.1002/jat.3415] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Accepted: 10/14/2016] [Indexed: 01/05/2023]
Abstract
Recent studies showed that ZnO nanoparticles (NPs) might induce the toxicity to human endothelial cells. However, little is known about the interaction between ZnO NPs and circulatory components, which is likely to occur when NPs enter the blood. In this study, we evaluated ZnO NP-induced cytotoxicity, oxidative stress and inflammation in human umbilical vein endothelial cells (HUVECs), with the emphasis on the interaction with palmitate (PA) or lipopolysaccharide (LPS), because PA and LPS are normal components in human blood that increase in metabolic diseases. Overall, ZnO NPs induced cytotoxicity and intracellular reactive oxygen species (ROS) at a concentration of 32 μg ml-1 , but did not significantly affect the release of inflammatory cytokines or adhesion of THP-1 monocytes to HUVECs. In addition, exposure to ZnO NPs dose-dependently promoted intracellular Zn ions in HUVECs. PA and LPS have different effects. Two hundred μm PA significantly induced cytotoxicity and THP-1 monocyte adhesion, but did not affect ROS or release of inflammatory cytokines. In contrast, 1 μg ml-1 LPS significantly induced ROS, release of inflammatory cytokines and THP-1 monocyte adhesion, but not cytotoxicity. The presence of ZnO NPs did not significantly affect the toxicity induced by PA or LPS. In addition, the accumulation of Zn ions after ZnO NP exposure was not significantly affected by the presence of PA or LPS. We concluded that there was no interaction between ZnO NPs and PA or LPS on toxicity to HUVECs in vitro. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Yu Gong
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Yuejia Ji
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Fang Liu
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Juan Li
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Yi Cao
- Key Laboratory of Environment-Friendly Chemistry and Application of Ministry of Education, Laboratory of Biochemistry, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
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30
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Cao Y, Long J, Ji Y, Chen G, Shen Y, Gong Y, Li J. Foam cell formation by particulate matter (PM) exposure: a review. Inhal Toxicol 2016; 28:583-590. [DOI: 10.1080/08958378.2016.1236157] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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