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Li L, Guo Z, Deng R, Fan T, Dong D, Dai Y, Li C. The concentrations and behavior of classic phthalates and emerging phthalate alternatives in different environmental matrices and their biological health risks. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:46790-46805. [PMID: 38977546 DOI: 10.1007/s11356-024-34213-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 06/28/2024] [Indexed: 07/10/2024]
Abstract
Because of their excellent plasticity, phthalates or phthalic acid esters (PAEs) are widely used in plastic products. However, due to the recognized toxicity of PAEs and legislative requirements, the production and use of emerging PAE alternatives have rapidly grown, such as di-isononyl cyclohexane-1,2-dicarboxylate (DINCH) and di(2-ethylhexyl) terephthalate (DEHTP) which are the primary replacements for classic PAEs. Nowadays, PAEs and emerging PAE alternatives are frequently found in a variety of environmental media, including the atmosphere, sludge, rivers, and seawater/sediment. PAEs and emerging PAE alternatives are involved in endocrine-disrupting effects, and they affect the reproductive physiology of different species of fish and mammals. Therefore, their presence in the environment is of considerable concern due to their potential effects on ecosystem function and public health. Nevertheless, current research on the prevalence, destiny, and conduct of PAEs in the environment has primarily focused on classic PAEs, with little attention given to emerging PAE alternatives. The present article furnishes a synopsis of the physicochemical characteristics, occurrence, transport, fate, and adverse effects of both classic PAEs and emerging PAE alternatives on organisms in the ecosystem. Our analysis reveals that both classic PAEs and emerging PAE alternatives are widely distributed in all environmental media, with emerging PAE alternatives increasingly replacing classic PAEs. Various pathways can transform and degrade both classic PAEs and emerging PAE alternatives, and their own and related metabolites can have toxic effects on organisms. This research offers a more extensive comprehension of the health hazards associated with classic PAEs and emerging PAE alternatives.
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Affiliation(s)
- Lele Li
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193 Tunxi Road, Hefei, 230009, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, China
| | - Zhi Guo
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193 Tunxi Road, Hefei, 230009, China.
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, China.
| | - Rui Deng
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193 Tunxi Road, Hefei, 230009, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, China
| | - Ting Fan
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Dazhuang Dong
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193 Tunxi Road, Hefei, 230009, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, China
| | - Yaodan Dai
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193 Tunxi Road, Hefei, 230009, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, China
| | - Chenxuan Li
- School of Resources and Environmental Engineering, Hefei University of Technology, No. 193 Tunxi Road, Hefei, 230009, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, China
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Riesgo VR, Sellinger EP, Brinks AS, Juraska JM, Willing J. Effects of maternal LPS and developmental exposure to an environmentally relevant phthalate mixture on neuron number in the rat medial prefrontal cortex. Neurotoxicol Teratol 2024; 104:107370. [PMID: 38964664 DOI: 10.1016/j.ntt.2024.107370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 06/20/2024] [Accepted: 07/01/2024] [Indexed: 07/06/2024]
Abstract
The brain is especially vulnerable to environmental influences during the perinatal period. While the effects of environmental factors are usually studied in isolation, it is more typical to be exposed to multiple influences during early development, necessitating study of synergistic actions on the developing brain. Both maternal infection and endocrine disrupting phthalates can decrease cell number in the medial prefrontal cortex (mPFC), a region critical for executive functioning. In the present study, groups of pregnant Long Evans rats were treated with either (1) 100 μg/kg (i.p.) lipopolysaccharide (LPS) on embryonic days 15 and 16 combined with a low-dose (1 mg/kg) phthalate mixture throughout gestation and the neonatal period, (2) LPS alone, (3) phthalates alone, or (4) neither phthalates nor LPS (control). Neurons and glial cells were stereologically quantified in the mPFC. The adult offspring previously exposed to LPS or phthalates alone had reduced mPFC neuron number in exposed males, but not females, while the combination treatment did not produce significant effects. In males, LPS alone also reduced the number of glia in the mPFC. Additionally, the combination of LPS and phthalates resulted in fewer pregnancies to term and decreased litter size. These results provide insight into how common environmental factors can interact to alter the developmental trajectory of the mPFC.
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Affiliation(s)
- V R Riesgo
- J.P. Scott Center for Neuroscience, Mind and Behavior, Department of Psychology, Bowling, Green State University, Bowling Green, OH 43403, United States
| | - E P Sellinger
- Neuroscience Program, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL, 61820, United States
| | - A S Brinks
- Neuroscience Program, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL, 61820, United States
| | - J M Juraska
- Neuroscience Program, University of Illinois at Urbana-Champaign, 603 E. Daniel Street, Champaign, IL, 61820, United States
| | - J Willing
- J.P. Scott Center for Neuroscience, Mind and Behavior, Department of Psychology, Bowling, Green State University, Bowling Green, OH 43403, United States.
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Arrigo F, Impellitteri F, Piccione G, Faggio C. Phthalates and their effects on human health: Focus on erythrocytes and the reproductive system. Comp Biochem Physiol C Toxicol Pharmacol 2023; 270:109645. [PMID: 37149015 DOI: 10.1016/j.cbpc.2023.109645] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/21/2023] [Accepted: 04/30/2023] [Indexed: 05/08/2023]
Abstract
Plastics, long-chain artificial polymers, are used worldwide with a global production of 350 million tonnes per year. Various degradation processes transform plastics into smaller fragments divided into micro, meso and macroplastics. In various industries, such as construction, certain plastic additives are used to improve flexibility and enhance performance. Plastic additives include phthalates (PAE), dibutyl phthalate (DPB) and diethyl phthalate (DEP). Due to the use of plastics and plastic additives, these small fragments of different shapes and colours are present in all environmental compartments. For their characteristics, PAEs can be introduced particularly by ingestion, inhalation and dermal absorption. They can accumulate in the human body, where they have already been identified in blood, amniotic fluid and urine. The purpose of this review is to gather the effects that these plastic additives have on various systems in the human body. Being endocrine disruptors, the effects they have on erythrocytes and how they can be considered targets for xenobiotics have been analysed. The influence on the reproductive system was also examined. Phthalates are therefore often overused. Due to their properties, they can reach human tissues and have a negative impact on health. The aim of this review is to give an overview of the presence of phthalates and their hazards. Therefore, the use of these plastic additives should be reduced, replaced and their disposal improved.
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Affiliation(s)
- Federica Arrigo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy
| | - Federica Impellitteri
- Department of Veterinary Sciences, Viale Giovanni Palatucci snc, University of Messina, 98168 Messina, Italy
| | - Giuseppe Piccione
- Department of Veterinary Sciences, Viale Giovanni Palatucci snc, University of Messina, 98168 Messina, Italy
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy.
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Qin Y, He S, Peng H, Ye X, Zhang H, Ding S. Dibutyl Phthalate Adsorbed on Multiwalled Carbon Nanotubes Causes Fetal Developmental Toxicity in Balb/C Mice. TOXICS 2023; 11:565. [PMID: 37505531 PMCID: PMC10385951 DOI: 10.3390/toxics11070565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/13/2023] [Accepted: 06/23/2023] [Indexed: 07/29/2023]
Abstract
This study investigated whether using multiwalled carbon nanotubes (MWCNTs) as a carrier for dibutyl phthalate (DBP) could delay the degradation rate of DBP in mice and increase its estrogen-like interference effect. Pregnant Balb/C mice were divided into four groups and exposed to different treatments via tail-vein injection every 3 days until gestational day 20. The female and male mice were then sacrificed for toxicological study. The results showed that the combination of MWCNTs and DBP resulted in a higher fetal mortality rate than if the mice were exposed to MWCNTs or DBP alone. H&E staining showed that the estrous period of the exposed mice was delayed, the development of oocytes was blocked in the combination group, the number of spermatogenic cells decreased, and the quality of sperm decreased. Our experiment showed that the expression levels of the genes involved in sex hormone synthesis in the testis and ovaries were significantly increased after combined treatment compared with the MWCNT group (p < 0.01). The study suggests that DBP degradation is delayed when absorbed on MWCNTs, which increases its estrogen-like interference and interferes with fetal development, ultimately leading to increased fetal mortality.
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Affiliation(s)
- Yujie Qin
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, China
| | - Suli He
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, China
| | - Haiyan Peng
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, China
| | - Xin Ye
- Liquor Marking Biological Technology and Application of Key Laboratory of Sichuan Province, College of Bioengineering, Sichuan University of Science & Engineering, Yibin 644000, China
| | - Hongmao Zhang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, China
| | - Shumao Ding
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, China
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Zhang Y, Lyu L, Tao Y, Ju H, Chen J. Health risks of phthalates: A review of immunotoxicity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120173. [PMID: 36113640 DOI: 10.1016/j.envpol.2022.120173] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/27/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
Phthalates (PAEs) are known environmental endocrine disruptors that have been widely detected in several environments, and many studies have reported the immunotoxic effects of these compounds. Here, we reviewed relevant published studies, summarized the occurrence and major metabolic pathways of six typical PAEs (DMP, DEP, DBP, BBP, DEHP, and DOP) in water, soil, and the atmosphere, degradation and metabolic pathways under aerobic and anaerobic conditions, and explored the molecular mechanisms of the toxic effects of eleven PAEs (DEHP, DPP, DPrP, DHP, DEP, DBP, MBP, MBzP, BBP, DiNP, and DMP) on the immune system of different organisms at the gene, protein, and cellular levels. A comprehensive understanding of the mechanisms by which PAEs affect immune system function through regulation of immune gene expression and enzymes, increased ROS, immune signaling pathways, specific and non-specific immunosuppression, and interference with the complement system. By summarizing the effects of these compounds on typical model organisms, this review provides insights into the mechanisms by which PAEs affect the immune system, thus supplementing human immune experiments. Finally, we discuss the future direction of PAEs immunotoxicity research, thus providing a framework for the analysis of other environmental pollutants, as well as a basis for PAEs management and safe use.
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Affiliation(s)
- Ying Zhang
- College of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Liang Lyu
- College of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Yue Tao
- College of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Hanxun Ju
- College of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Jie Chen
- Rural Energy Station of Heilongjiang Province, Harbin, 150030, PR China.
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Cui Y, Li B, Du J, Huo S, Song M, Shao B, Wang B, Li Y. Dibutyl phthalate causes MC3T3-E1 cell damage by increasing ROS to promote the PINK1/Parkin-mediated mitophagy. ENVIRONMENTAL TOXICOLOGY 2022; 37:2341-2353. [PMID: 35716031 DOI: 10.1002/tox.23600] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/22/2022] [Accepted: 06/05/2022] [Indexed: 06/15/2023]
Abstract
Dibutyl phthalate (DBP) is a plasticizer widely used in daily production, which causes serious environmental pollution, and damage to brain, liver, kidney, and lung by producing excessive reactive oxygen species (ROS) after entering the body. DBP can also cause skeletal dysplasia, but it is unclear whether ROS is involved. In addition, overproduction of ROS can activate mitophagy, which is an important mechanism for regulating mitochondrial quality and cell homeostasis. In order to investigate whether DBP can damage MC3T3-E1 cells (osteoblast cell line) and whether ROS and mitophagy are involved, DBP toxicity experiment, Parkin gene silencing experiment, and N-acetylcysteine (NAC) intervention experiment were performed on MC3T3-E1 cells in turn. First, we found that DBP caused MC3T3-E1 cell viability decline and osteogenic dysfunction, accompanied by the overproduction of ROS and the activation of mitophagy. Then, we found that silencing Parkin expression alleviated DBP-induced apoptosis and osteogenic dysfunction of MC3T3-E1 cells. In addition, NAC treatment inhibited the PINK1/Parkin-mediated mitophagy and alleviated the apoptosis and osteogenic dysfunction of MC3T3-E1 cells caused by DBP. Our research results showed that DBP could cause MC3T3-E1 cell damage by increasing ROS to promote the PINK1/Parkin-mediated mitophagy.
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Affiliation(s)
- Yilong Cui
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Bo Li
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Jiayu Du
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Siming Huo
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Miao Song
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Bing Shao
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Ben Wang
- College of Animal Science, JiLin Agricultural Science and Technology College, Jilin, China
| | - Yanfei Li
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
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Schapovalova O, Gorlova A, de Munter J, Sheveleva E, Eropkin M, Gorbunov N, Sicker M, Umriukhin A, Lyubchyk S, Lesch KP, Strekalova T, Schroeter CA. Immunomodulatory effects of new phytotherapy on human macrophages and TLR4- and TLR7/8-mediated viral-like inflammation in mice. Front Med (Lausanne) 2022; 9:952977. [PMID: 36091684 PMCID: PMC9450044 DOI: 10.3389/fmed.2022.952977] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 07/15/2022] [Indexed: 11/17/2022] Open
Abstract
Background While all efforts have been undertaken to propagate the vaccination and develop remedies against SARS-CoV-2, no satisfactory management of this infection is available yet. Moreover, poor availability of any preventive and treatment measures of SARS-CoV-2 in economically disadvantageous communities aggravates the course of the pandemic. Here, we studied a new immunomodulatory phytotherapy (IP), an extract of blackberry, chamomile, garlic, cloves, and elderberry as a potential low-cost solution for these problems given the reported efficacy of herbal medicine during the previous SARS virus outbreak. Methods The key feature of SARS-CoV-2 infection, excessive inflammation, was studied in in vitro and in vivo assays under the application of the IP. First, changes in tumor-necrosis factor (TNF) and lnteurleukin-1 beta (IL-1β) concentrations were measured in a culture of human macrophages following the lipopolysaccharide (LPS) challenge and treatment with IP or prednisolone. Second, chronically IP-pre-treated CD-1 mice received an agonist of Toll-like receptors (TLR)-7/8 resiquimod and were examined for lung and spleen expression of pro-inflammatory cytokines and blood formula. Finally, chronically IP-pre-treated mice challenged with LPS injection were studied for “sickness” behavior. Additionally, the IP was analyzed using high-potency-liquid chromatography (HPLC)-high-resolution-mass-spectrometry (HRMS). Results LPS-induced in vitro release of TNF and IL-1β was reduced by both treatments. The IP-treated mice displayed blunted over-expression of SAA-2, ACE-2, CXCL1, and CXCL10 and decreased changes in blood formula in response to an injection with resiquimod. The IP-treated mice injected with LPS showed normalized locomotion, anxiety, and exploration behaviors but not abnormal forced swimming. Isoquercitrin, choline, leucine, chlorogenic acid, and other constituents were identified by HPLC-HRMS and likely underlie the IP immunomodulatory effects. Conclusions Herbal IP-therapy decreases inflammation and, partly, “sickness behavior,” suggesting its potency to combat SARS-CoV-2 infection first of all via its preventive effects.
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Affiliation(s)
- Olesia Schapovalova
- Caparica Faculdade de Ciencias e Tecnologia da Universidade Nova de Lisboa, NOVA Lisbon University, Lisbon, Portugal
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University and Neuroplast BV, Maastricht, Netherlands
| | - Anna Gorlova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University and Neuroplast BV, Maastricht, Netherlands
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Moscow, Russia
- Laboratory of Cognitive Dysfunctions, Federal Budgetary Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Johannes de Munter
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University and Neuroplast BV, Maastricht, Netherlands
| | - Elisaveta Sheveleva
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Moscow, Russia
- Laboratory of Cognitive Dysfunctions, Federal Budgetary Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Mikhail Eropkin
- Department of Etiology and Epidemiology, Smorodintsev Research Institute of Influenza, St. Petersburg State University, Saint Petersburg, Russia
| | - Nikita Gorbunov
- Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany
| | - Michail Sicker
- Rehabilitation Research Unit of Clinic of Bad Kreuzbach, Bad Kreuzbach, Germany
| | - Aleksei Umriukhin
- Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Sergiy Lyubchyk
- Caparica Faculdade de Ciencias e Tecnologia da Universidade Nova de Lisboa, NOVA Lisbon University, Lisbon, Portugal
- EIGES Center, Universidade Lusofona, Lisboa, Portugal
| | - Klaus-Peter Lesch
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University and Neuroplast BV, Maastricht, Netherlands
- Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany
| | - Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University and Neuroplast BV, Maastricht, Netherlands
- Laboratory of Cognitive Dysfunctions, Federal Budgetary Institute of General Pathology and Pathophysiology, Moscow, Russia
- Division of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany
- Department of Pharmacology, University of Oxford, Oxford, United Kingdom
- *Correspondence: Tatyana Strekalova
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Raqib R, Akhtar E, Sultana T, Ahmed S, Chowdhury MAH, Shahriar MH, Kader SB, Eunus M, Haq MA, Sarwar G, Islam T, Alam DS, Parvez F, Begum BA, Ahsan H, Yunus M. Association of household air pollution with cellular and humoral immune responses among women in rural Bangladesh. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 299:118892. [PMID: 35077836 PMCID: PMC9850293 DOI: 10.1016/j.envpol.2022.118892] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/29/2021] [Accepted: 01/20/2022] [Indexed: 05/29/2023]
Abstract
Household air pollution (HAP) arising from combustion of biomass fuel (BMF) is a leading cause of morbidity and mortality in low-income countries. Air pollution may stimulate pro-inflammatory responses by activating diverse immune cells and cyto/chemokine expression, thereby contributing to diseases. We aimed to study cellular immune responses among women chronically exposed to HAP through use of BMF for domestic cooking. Among 200 healthy, non-smoking women in rural Bangladesh, we assessed exposure to HAP by measuring particulate matter 2.5 (PM2.5), black carbon (BC) and carbon monoxide (CO), through use of personal monitors RTI MicroPEM™ and Lascar CO logger respectively, for 48 h. Blood samples were collected following HAP exposure assessment and were analyzed for immunoprofiling by flow cytometry, plasma IgE by immunoassay analyzer and cyto/chemokine response from monocyte-derived-macrophages (MDM) and -dendritic cells (MDDC) by multiplex immunoassay. In multivariate linear regression model, a doubling of PM2.5 was associated with small increments in immature/early B cells (CD19+CD38+) and plasmablasts (CD19+CD38+CD27+). In contrast, a doubling of CO was associated with 1.20% reduction in CD19+ B lymphocytes (95% confidence interval (CI) = -2.36, -0.01). A doubling of PM2.5 and BC each was associated with 3.12% (95%CI = -5.85, -0.38) and 4.07% (95%CI = -7.96, -0.17) decrements in memory B cells (CD19+CD27+), respectively. Exposure to CO was associated with increased plasma IgE levels (beta(β) = 240.4, 95%CI = 3.06, 477.8). PM2.5 and CO exposure was associated with increased MDM production of CXCL10 (β = 12287, 95%CI = 1038, 23536) and CCL5 (β = 835.7, 95%CI = 95.5, 1576), respectively. Conversely, BC exposure was associated with reduction in MDDC-produced CCL5 (β = -3583, 95%CI = -6358, -807.8) and TNF-α (β = -15521, 95%CI = -28968, -2074). Our findings suggest that chronic HAP exposure through BMF use adversely affects proportions of B lymphocytes, particularly memory B cells, plasma IgE levels and functions of antigen presenting cells in rural women.
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Affiliation(s)
| | - Evana Akhtar
- Infectious Diseases Division, icddr,b, Bangladesh
| | | | - Shyfuddin Ahmed
- Health Systems and Population Studies Division, icddr,b, Dhaka, 1212, Bangladesh
| | | | | | - Shirmin Bintay Kader
- Health Systems and Population Studies Division, icddr,b, Dhaka, 1212, Bangladesh
| | - Mahbbul Eunus
- U-Chicago Research Bangladesh, Mohakhali, Dhaka, Bangladesh
| | | | - Golam Sarwar
- U-Chicago Research Bangladesh, Mohakhali, Dhaka, Bangladesh
| | - Tariqul Islam
- U-Chicago Research Bangladesh, Mohakhali, Dhaka, Bangladesh
| | | | - Faruque Parvez
- Mailman School of Public Health, Columbia University, New York, USA
| | | | - Habibul Ahsan
- Department of Public Health Sciences, University of Chicago, Chicago, USA
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Maestre-Batlle D, Nygaard UC, Huff RD, Alexis NE, Tebbutt SJ, Turvey SE, Carlsten C, Kocbach Bølling A. Dibutyl phthalate exposure alters T-cell subsets in blood from allergen-sensitized volunteers. INDOOR AIR 2022; 32:e13026. [PMID: 35481934 DOI: 10.1111/ina.13026] [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: 01/03/2022] [Revised: 03/04/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
Phthalates are ubiquitous environmental contaminants associated with allergic disease in epidemiological and animal studies. This investigation aims to support these associations by interrogating systemic immune effects in allergen-sensitized volunteers after controlled indoor air exposure to a known concentration of dibutyl phthalate (DBP). The phthalate-allergen immune response (PAIR) study enrolled 16 allergen-sensitized participants to a double-blinded, randomized, crossover exposure to two conditions (DBP or control air for 3 hr), each followed immediately by inhaled allergen challenge. Peripheral blood immune cell composition and activation along with inflammatory mediators were measured before and after exposure. DBP exposure prior to the inhaled allergen challenge increased the percentage of CD4+ T helper cells and decreased the percentage of regulatory T cells (3 hr and 20 hr post-exposure), while only modest overall effects were observed for inflammatory mediators. The cells and mediators affected by the phthalate exposure were generally not overlapping with the endpoints affected by allergen inhalation alone. Thus, in distinction to our previously published effects on lung function, DBP appears to alter endpoints in peripheral blood that are not necessarily enhanced by allergen alone. Further studies are needed to clarify the role of phthalate-induced systemic effects in disease pathogenesis.
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Affiliation(s)
- Danay Maestre-Batlle
- Department of Medicine, Air Pollution Exposure Lab and Legacy for Airway Health, University of British Columbia and Vancouver Coastal Health, Vancouver, Canada
| | - Unni C Nygaard
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Ryan D Huff
- Department of Medicine, Air Pollution Exposure Lab and Legacy for Airway Health, University of British Columbia and Vancouver Coastal Health, Vancouver, Canada
| | - Neil E Alexis
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Scott J Tebbutt
- Department of Medicine, PROOF Centre of Excellence, & Centre for Heart Lung Innovation, University of British Columbia, Vancouver, Canada
| | - Stuart E Turvey
- Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, Canada
| | - Christopher Carlsten
- Department of Medicine, Air Pollution Exposure Lab and Legacy for Airway Health, University of British Columbia and Vancouver Coastal Health, Vancouver, Canada
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Zhou T, He Y, Qin Y, Wang B, Zhang H, Ding S. Exposure to a combination of MWCNTs and DBP causes splenic toxicity in mice. Toxicology 2022; 465:153057. [PMID: 34864091 DOI: 10.1016/j.tox.2021.153057] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 01/08/2023]
Abstract
The large conjugated π bond in the molecular structure of carbon nanotubes (CNTs) interacts with the benzene ring structure in di (n-butyl) phthalates (DBP) through a π - π bond. Compounds of CNTs and DBP form easily, becoming another environmental pollutant of concern. We explore whether CNTs entering animals slow down the degradation of the DBP adsorbed in the CNT cavity, thereby prolonging the "hormonal activity" of DBP. In our study, male BALb/c mice were used as experimental subjects divided into four groups: the control group; the multi-walled carbon nanotubes (MWCNTs) exposure group (10mg/kg/d); the DBP exposure group (2.15 mg/kg/d); and the compound exposure group (MWCNTs + DBP). After 30 days of exposure, the mice were sacrificed and their spleens used for immunotoxicology study. The results showed that the exposure groups exhibited splenomegaly and suffered severe oxidative damage to the spleen. In the compound exposure group: levels of IgA and IgG in the serum of the mice changed, and were significantly different from levels in both the MWCNTs and DBP exposure groups (p <0.05); the pathological sections of the spleen showed that the boundary between the white pulp area (WP) and the red pulp area (RP) was blurred, that the cell arrangement was loose, and that more red blood cells were retained in the spleen. Proteomics mass spectrometry analysis showed that compared with the control group, 70 proteins were up-regulated and 27 proteins were down-regulated in the MWCNTs group, 36 proteins were up-regulated and 23 proteins were down-regulated in the DBP group, 87 proteins were up-regulated and 21 proteins were down-regulated in the compound exposure group. The results of GO enrichment analysis and KEGG enrichment analysis of the differentially expressed proteins showed that the compound exposure harmed the spleen antigen recognition, processing, and presentation, inhibited the activation and proliferation of B cells and T cells, and hindered the adaptive immune responses. Our results showed that MWCNTs and DBP compounds can damage the spleen, and impair the innate and adaptive immune functions of the body.
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Affiliation(s)
- Tingting Zhou
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Yueyan He
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Yujie Qin
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Bing Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Hongmao Zhang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China.
| | - Shumao Ding
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China.
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11
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Liu Y, Chen W, Chen J, Ma Y, Cen Y, Wang S, He X, You M, Yang G. miR-122-5p regulates hepatocytes damage caused by BaP and DBP co-exposure through SOCS1/STAT3 signaling in vitro. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 223:112570. [PMID: 34352581 DOI: 10.1016/j.ecoenv.2021.112570] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
BaP and DBP are ubiquitously and contemporaneously present in the environment. However, Current studies largely concentrate on the effects of a single pollutant (BaP or DBP). The liver is vital for biogenic activities. The effects of BaP and DBP co-exposure on liver remain unclear. Thus, we treated human normal liver cell (L02 cell) with BaP or/and DBP. We found that compared to individual exposure, co-exposure to BaP and DBP induced further increased levels of AST and ALT. BaP and DBP co-exposure caused further increased levels of IL-2, IL-6, and TNF-α, decreased IL-10 level, and a higher percentage of apoptotic cells and S-phase arrest cells. BaP and DBP co-exposure worsen the decrease of miR-122-5p level and chaos of SOCS1/STAT3 signaling. Dual-luciferase reporter gene assays showed that SOCS1 was a validated target of miR-122-5p. miR-122-5p overexpression alleviated the increased SOCS1 expression, decreased phospho-STAT3 expression, decreased IL-10 level, increased TNF-α levels, increased percentage of apoptosis and S-phase arrest, and cytotoxicity induced by BaP and DBP co-exposure in hepatocytes. These results suggested that miR-122-5p negatively regulated the synergistic effects on apoptosis and disorder of inflammatory factor secretion involved in hepatocyte injury caused by BaP and DBP co-exposure through targeting SOCS1/STAT3 signaling.
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Affiliation(s)
- Yining Liu
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Wenyan Chen
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Jing Chen
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Yemei Ma
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Yanli Cen
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Shengli Wang
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Xiu He
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China
| | - Mingdan You
- School of Public Heath, the key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou 550025, China.
| | - Guanghong Yang
- Guizhou Provincial Center for Disease Control and Prevention, Guiyang, Guizhou 550004, China.
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12
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Wang X, Lv Z, Han B, Li S, Yang Q, Wu P, Li J, Han B, Deng N, Zhang Z. The aggravation of allergic airway inflammation with dibutyl phthalate involved in Nrf2-mediated activation of the mast cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 789:148029. [PMID: 34082215 DOI: 10.1016/j.scitotenv.2021.148029] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/06/2021] [Accepted: 05/22/2021] [Indexed: 06/12/2023]
Abstract
Dibutyl phthalate (DBP)-an organic pollutant-is ubiquitous in the environment. DBP as an immune adjuvant is related to the development of multiple allergic diseases. However, the current research involving DBP-induced pulmonary toxicity remains poorly understood. Therefore, this research aimed to explore the adverse effect and potential mechanism of DBP exposure on the lungs in rats. In our study, ovalbumin was used to build a rat model of allergic airway inflammation to study any harmful effect of DBP exposure on lung tissues. Rats were treated by intragastric administration of DBP (500 mg kg-1 or 750 mg kg-1) and/or subcutaneous injection of SFN (4 mg kg-1). The results of histopathological analysis, cell count, and myeloperoxidase showed that DBP promoted the inflammatory damage of lungs. In the lung tissues, the detection of terminal deoxynucleotidyl transferase dUNT nick end labeling and oxidative stress indices showed that DBP significantly increased the level of apoptosis and oxidative stress. Western blot analysis indicated that DBP raised the expression level of thymic stromal lymphopoietin and reduced the nuclear expression level of nuclear factor-erythroid-2-related factor 2 (Nrf2), which was further verified by quantitative real-time PCR. Meanwhile, DBP treatment markedly up-regulated the inflammatory cytokines such as IL-4 and IL-13, and rat mast cell protease-2, a marker secreted by mast cells (MCs). Conversely, sulforaphane, a Nrf2 inducer, ameliorated the pulmonary damage induced by DBP in the above. Altogether, our data provides a new insight into the impacts of the activation of MCs on the DBP-induced pulmonary toxicity as well as the safety evaluation of DBP.
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Affiliation(s)
- Xiaoqiao Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Zhanjun Lv
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Bing Han
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Siyu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Qingyue Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Pengfei Wu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Jiayi Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Biqi Han
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Ning Deng
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Zhigang Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin 150030, China.
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13
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Schaffert A, Arnold J, Karkossa I, Blüher M, von Bergen M, Schubert K. The Emerging Plasticizer Alternative DINCH and Its Metabolite MINCH Induce Oxidative Stress and Enhance Inflammatory Responses in Human THP-1 Macrophages. Cells 2021; 10:cells10092367. [PMID: 34572016 PMCID: PMC8466537 DOI: 10.3390/cells10092367] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/03/2021] [Accepted: 09/04/2021] [Indexed: 02/06/2023] Open
Abstract
The use of the plasticizer bis(2-ethylhexyl)phthalate (DEHP) and other plasticizers in the manufacture of plastic products has been restricted due to adverse health outcomes such as obesity, metabolic syndrome, and asthma, for which inflammation has been described to be a driving factor. The emerging alternative plasticizer 1,2-cyclohexanedioic acid diisononyl ester (DINCH) still lacks information regarding its potential effects on the immune system. Here, we investigated the effects of DINCH and its naturally occurring metabolite monoisononylcyclohexane-1,2-dicarboxylic acid ester (MINCH) on the innate immune response. Human THP-1 macrophages were exposed to 10 nM–10 μM DINCH or MINCH for 4 h, 16 h, and 24 h. To decipher the underlying mechanism of action, we applied an untargeted proteomic approach that revealed xenobiotic-induced activation of immune-related pathways such as the nuclear factor κB (NF-κB) signaling pathway. Key drivers were associated with oxidative stress, mitochondrial dysfunction, DNA damage repair, apoptosis, and autophagy. We verified increased reactive oxygen species (ROS) leading to cellular damage, NF-κB activation, and subsequent TNF and IL-1β release, even at low nM concentrations. Taken together, DINCH and MINCH induced cellular stress and pro-inflammatory effects in macrophages, which may lead to adverse health effects.
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Affiliation(s)
- Alexandra Schaffert
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
| | - Josi Arnold
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
| | - Isabel Karkossa
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
| | - Matthias Blüher
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG), 04318 Leipzig, Germany;
- Department of Endocrinology, Nephrology Rheumatology, University Hospital Leipzig Medical Research Center, 04318 Leipzig, Germany
| | - Martin von Bergen
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
- Institute of Biochemistry, Leipzig University, 04103 Leipzig, Germany
| | - Kristin Schubert
- Department of Molecular Systems Biology, Helmholtz-Centre for Environmental Research (UFZ), 04318 Leipzig, Germany; (A.S.); (J.A.); (I.K.); (M.v.B.)
- Correspondence: ; Tel.: +49-341-235-1819
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14
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Alsubaie AM, Arita Y, Atwater M, Mahfuz A, Peltier MR. Enhancement of placental inflammation by Dibutyl Phthalate. J Reprod Immunol 2021; 147:103368. [PMID: 34461555 DOI: 10.1016/j.jri.2021.103368] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 08/11/2021] [Accepted: 08/22/2021] [Indexed: 10/20/2022]
Abstract
Recent studies suggest that women with high exposures to dibutyl phthalate (DBP) are at increased risk for preterm birth, a condition associated with aberrant inflammation in the placenta often caused by subclinical infections. Placental inflammation is also a risk factor for neurodevelopmental disorders whose risk may also be enhanced by DBP. It is unclear, however, if DBP enhances placental inflammation. Therefore, we studied the effects of DBP on the production of biomarkers of placental inflammation and neurodevelopment under basal conditions and a setting of mild infection. Placental explant cultures established from women undergoing elective caesarean delivery were treated with DBP with and without co-stimulation by 107 CFU/mL heat-killed E. coli for 24 h at 37 °C. Conditioned medium was harvested and concentrations of IL-1β, TNF-α, IL-10, HO-1 and BDNF, a biomarker for neurodevelopment, were quantified. DBP significantly enhanced IL-6 production in basal cultures but had no significant on the other biomarkers quantified. Both TNF-α and IL-1β production was enhanced by DBP for cultures co-stimulated with E. coli. Although marginal enhancement of IL-6, and IL-10 were observed for bacteria co-treated cultures, results were either non-monotonic or only approached statistical significance. HO-1 production tended to be reduced at the highest concentration of DBP tested and BDNF production was reduced by DBP in a dose-dependent manner for bacteria-stimulated cultures. These results suggest that DBP enhances basal IL-6 production but has little or no effect on other biomarkers studied. However, DBP enhances IL-1β and TNF-α production but reduces BDNF production by bacteria-stimulated cultures.
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Affiliation(s)
- Aisha Manna Alsubaie
- Department of Foundations of Medicine, NYU-Long Island School of Medicine, Mineola, NY, 11501, United States; Department of Biology, Adelphi University, Garden City, NY, United States
| | - Yuko Arita
- Department of Foundations of Medicine, NYU-Long Island School of Medicine, Mineola, NY, 11501, United States
| | - Matthew Atwater
- Department of Foundations of Medicine, NYU-Long Island School of Medicine, Mineola, NY, 11501, United States; George Washington University, School of Medicine, Washington DC, United States
| | - Ali Mahfuz
- Department of Foundations of Medicine, NYU-Long Island School of Medicine, Mineola, NY, 11501, United States; Texas Christian University University of North Texas Health Science Center School of Medicine, Fort Worth, TX, United States
| | - Morgan R Peltier
- Department of Foundations of Medicine, NYU-Long Island School of Medicine, Mineola, NY, 11501, United States.
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15
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Cui Y, Zhang X, Yin K, Qi X, Zhang Y, Zhang J, Li S, Lin H. Dibutyl phthalate-induced oxidative stress, inflammation and apoptosis in grass carp hepatocytes and the therapeutic use of taxifolin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:142880. [PMID: 33131843 DOI: 10.1016/j.scitotenv.2020.142880] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/04/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
The widespread use of plastic products has led to the widespread presence of plasticizers in the environment. As a common environmental pollutant, research on plasticizer toxicity is insufficient in fish cells. In particular, research on the toxicity of dibutyl phthalate (DBP) in grass carp hepatocyte lines is insufficient. To further explore these mechanisms, we treated grass carp hepatocytes with 300 μM DBP, a common plasticizer, for 24 h, and hepatocytes were also treated with 1 μM taxifolin (TAX), an antioxidant, for 24 h to study its antagonistic effect on DBP. After DBP exposure, oxidative stress levels and inflammation in hepatocytes increased, and the mRNA and protein expression of apoptosis-related markers increased significantly, leading to hepatocyte apoptosis. Moreover, AO/EB staining, Hoechst staining and flow cytometry also showed that the level of apoptotic cells increased after DBP exposure. Notably, both TAX pretreatment and TAX simultaneous treatment alleviated oxidative stress, increased inflammatory factor levels and apoptosis induced by DBP. In comparison, the effect of simultaneous TAX treatment was better than that of TAX pretreatment. Our results showed that TAX alleviates DBP-induced apoptosis in grass carp hepatocytes through oxidative stress and inflammation, and TAX pretreatment and simultaneous treatment exhibited specific effects. Specifically, simultaneous treatment had a better effect. Our study assessed the toxicity of DBP in grass carp hepatocytes and provided a theoretical and research basis for the in vivo study of animal models in the future. The innovation of this study involves the exploration of the interaction between DBP and TAX for the first time. This study may enrich knowledge regarding the theoretical mechanism of DBP toxicity in fish hepatocytes and propose methods address DBP toxicity.
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Affiliation(s)
- Yuan Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xintong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Kai Yin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xue Qi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Jinxi Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, PR China.
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16
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On a phthalate ester's adsorption kinetics: DBP in 5 wt% aqueous MeOH solution. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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17
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Wang CW, Wu DW, Chen SC, Chen HC, Lin HH, Su H, Shiea JT, Lin WY, Hung CH, Kuo CH. Associations of dermal diethyl phthalate level with changes in lung function test value mediated by absolute eosinophil count: A panel study of adults in southern Taiwan. ENVIRONMENTAL RESEARCH 2021; 194:110613. [PMID: 33345897 DOI: 10.1016/j.envres.2020.110613] [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: 09/01/2020] [Revised: 11/27/2020] [Accepted: 12/05/2020] [Indexed: 06/12/2023]
Abstract
Phthalate concentrations in indoor and outdoor dust are associated with respiratory disease. Both immunoglobulin E (IgE) and eosinophil count are associated with airway inflammation from exposure to environmental allergens. Dermal phthalate level can be used as a matrix for assessing personal exposure through direct absorption from the air, particle deposition, or contact with contaminated products. However, the association between dermal phthalate level and changes in lung function test values, as mediated by immunological response, remains unclear. In total, 237 adults in southern Taiwan were recruited. Spirometry measurements (in L) of forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) were taken on visits 1 (2016-2018) and 2 (2019). Dermal phthalate level, absolute eosinophil count, and IgE level were recorded on visit 1. Mean changes in FVC and FEV1 decrease pear year, as determined through pairwise comparisons, were significant (diffFVCper year: -0.46, 95% CI: -0.51, -0.41; p < 0.001; diffFEV1per year: -0.37, 95% confidence interval [CI]: -0.41, -0.34; p < 0.001). For FEV1 decrease, log-unit increases in dermal diethyl phthalate (DEP) were positively associated with diffFEV1per year (β = 0.096; 95% CI: 0.042, 0.150; p = 0.001) and negatively associated with absolute eosinophil count (β= -0.201; 95% CI: -0.380, -0.023; p= 0.027). Log-unit increases in absolute eosinophil count were negatively associated with diffFEV1per year (β= -0.109; 95% CI: -0.150, -0.068; p < 0.001). Absolute eosinophil count mediated 19.70% of the association between dermal DEP level and diffFEV1per year. For FVC decrease, log-unit increases in dermal DEP were positively associated with diffFVCper year (β = 0.095; 95% CI: 0.035, 0.155; p = 0.002) and negatively associated with absolute eosinophil count (β = -0.243; 95% CI: -0.427, -0.060; p = 0.010). Log-unit increases in absolute eosinophil count were negatively associated with diffFVCper year (β= -0.122; 95% CI: -0.168, -0.076; p < 0.001). Absolute eosinophil count mediated 29.98% of the association between dermal DEP level and diffFVCper year. The results suggest that dermal DEP level is positively associated with changes in lung function test values and is mediated by absolute eosinophil count.
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Affiliation(s)
- Chih-Wen Wang
- Division of Hepatobiliary, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Center for Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Da-Wei Wu
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Szu-Chia Chen
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Huang-Chi Chen
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hung-Hsun Lin
- Department of Laboratory Technology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan
| | - Hung Su
- Department of Chemistry, National Sun Yat-Sen University Kaohsiung, Taiwan
| | - Jen-Taie Shiea
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Chemistry, National Sun Yat-Sen University Kaohsiung, Taiwan; Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wen-Yi Lin
- Department of Occupational Medicine, Health Management Center, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Chih-Hsing Hung
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Chao-Hung Kuo
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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18
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Xiong Z, Zeng Y, Zhou J, Shu R, Xie X, Fu Z. Exposure to dibutyl phthalate impairs lipid metabolism and causes inflammation via disturbing microbiota-related gut-liver axis. Acta Biochim Biophys Sin (Shanghai) 2020; 52:1382-1393. [PMID: 33167028 DOI: 10.1093/abbs/gmaa128] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Indexed: 02/06/2023] Open
Abstract
Dibutyl phthalate (DBP), a kind of typical environmental pollutant, is widely used as plasticizers, and its neurotoxicity and developmental toxicity have been found in recent years. However, whether oral DBP exposure will affect the homeostasis of gut microbiota and its adverse response in liver of mammalians remain unclear. In the present study, 10-week experimental cycles of vehicle or DBP (0.1 and 1 mg/kg) were given to 6-week-old C57BL/6J mice by oral gavage. Our results revealed that the body weight of mice was increased after exposure to both low and high doses of DBP. The serum levels of hepatic triglyceride and total cholesterol were significantly increased in response to both doses of DBP. In addition, some pivotal genes related to lipogenesis were also increased in liver at the mRNA level. Evaluation of gut microbiota by 16S rRNA sequencing technology showed that 0.1 mg/kg DBP exposure significantly affected gut microbiota at the phylum and genus levels. Moreover, DBP exposure decreased mucus secretion and caused inflammation in the gut, leading to the impairment of intestinal barrier function. Exposure to DBP inhibited the expression of peroxisome proliferator-activated receptor-γ and activated the expression of nuclear factor kappa B. In addition, DBP exposure increased the level of lipopolysaccharide in serum, and increased the expression of toll-like receptor 4 and the levels of inflammatory cytokines, such as interleukin (IL)-1β, IL-6, and tumor necrosis factor alpha, in the liver. These results indicated that exposure to DBP disturbed the homeostasis of gut microbiota, induced hepatic lipid metabolism disorder, and caused liver inflammation in mice via the related gut-liver axis signaling pathways.
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Affiliation(s)
- Ze Xiong
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yuyao Zeng
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Jiafeng Zhou
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Ruonan Shu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Xiaoxian Xie
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
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Nkadimeng SM, Nabatanzi A, Steinmann CM, Eloff JN. Phytochemical, Cytotoxicity, Antioxidant and Anti-Inflammatory Effects of Psilocybe Natalensis Magic Mushroom. PLANTS 2020; 9:plants9091127. [PMID: 32878164 PMCID: PMC7570254 DOI: 10.3390/plants9091127] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/22/2022]
Abstract
Psilocybin-containing mushrooms, commonly known as magic mushrooms, have been used since ancient and recent times for depression and to improve quality of life. However, their anti-inflammatory properties are not known. The study aims at investing cytotoxicity; antioxidant; and, for the first time, anti-inflammatory effects of Psilocybe natalensis, a psilocybin-containing mushroom that grows in South Africa, on lipopolysaccharide-induced RAW 264.7 macrophages. Macrophage cells were stimulated with lipopolysaccharide and treated with different concentrations of Psilocybe natalensis mushroom extracted with boiling hot water, cold water and ethanol over 24 h. Quercetin and N-nitro-L-arginine methyl ester were used as positive controls. Effects of extracts on the lipopolysaccharide-induced nitric oxide, prostaglandin E2, and cytokine activities were investigated. Phytochemical analysis, and the antioxidant and cytotoxicity of extracts, were determined. Results showed that the three extracts inhibited the lipopolysaccharide-induced nitric oxide, prostaglandin E2, and interleukin 1β cytokine production significantly in a dose-dependent manner close to that of the positive controls. A study proposed that ethanol and water extracts of Psilocybe natalensis mushroom were safe at concentrations used, and have antioxidant and anti-inflammatory effects. Phytochemical analysis confirmed the presence of natural antioxidant and anti-inflammatory compounds in the mushroom extracts.
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Affiliation(s)
- Sanah M. Nkadimeng
- Phytomedicine Programme, Paraclinical Sciences Department, University of Pretoria, P/Bag X04, Onderstepoort, Pretoria, Gauteng 0110, South Africa; (A.N.); (J.N.E.)
- Correspondence:
| | - Alice Nabatanzi
- Phytomedicine Programme, Paraclinical Sciences Department, University of Pretoria, P/Bag X04, Onderstepoort, Pretoria, Gauteng 0110, South Africa; (A.N.); (J.N.E.)
- Future Africa, University of Pretoria, Hatfield, Pretoria, Gauteng 0186, South Africa
- Department of Plant Sciences, Microbiology and Biotechnology, College of Natural Sciences, Makerere University, Kampala 00256, Uganda
| | - Christiaan M.L. Steinmann
- Physiology Department, Sefako Makgatho Health Sciences University, Ga-Rankuwa, Gauteng 0208, South Africa;
| | - Jacobus N. Eloff
- Phytomedicine Programme, Paraclinical Sciences Department, University of Pretoria, P/Bag X04, Onderstepoort, Pretoria, Gauteng 0110, South Africa; (A.N.); (J.N.E.)
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20
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Zhou S, Han M, Ren Y, Yang X, Duan L, Zeng Y, Li J. Dibutyl phthalate aggravated asthma-like symptoms through oxidative stress and increasing calcitonin gene-related peptide release. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 199:110740. [PMID: 32446102 DOI: 10.1016/j.ecoenv.2020.110740] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/02/2020] [Accepted: 05/05/2020] [Indexed: 06/11/2023]
Abstract
Dibutyl phthalate (DBP) is one of the most ubiquitous phthalate esters found in everyday products, and is receiving increased attention as an immunologic adjuvant. However, information regarding DBP-aggravated allergic asthma is still limited. This study used a mouse model sensitized with ovalbumin (OVA) to determine any adverse effects of DBP on allergic asthma. Our results reveal that allergic asthmatic mice exposed to DBP for an extended period had a significant increase in inflammatory cell infiltration; a significant increase in levels of serum immunoglobulin and T helper 2 cell (Th2) and T helper 17 cell (Th17) cytokines in lung tissue; and significant changes in lung histology and AHR, all of which are typical asthmatic symptoms. The levels of oxidative stress and levels of the neuropeptide, calcitonin gene related peptide (CGRP), were also elevated after DBP exposure. Interestingly, blocking oxidative stress by administering melatonin (MT) not only reduced oxidative stress and CGRP levels, but also ameliorated the asthmatic symptoms. Collectively, these results show that DBP exacerbates asthma-like pathologies by increasing the expression of CGRP mediated by oxidative stress.
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Affiliation(s)
- Sangyu Zhou
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Man Han
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Yaolin Ren
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Xu Yang
- Section of Environmental Biomedicine, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Sciences, Central China Normal University, Wuhan, 430079, China
| | - Liju Duan
- School of Public Health, Huazhong University of Science and Technology, Wuhan, 430030, 430079, China
| | - Yan Zeng
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Jinquan Li
- Brain Science and Advanced Technology Institute, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430081, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, China.
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21
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Bølling AK, Sripada K, Becher R, Bekö G. Phthalate exposure and allergic diseases: Review of epidemiological and experimental evidence. ENVIRONMENT INTERNATIONAL 2020; 139:105706. [PMID: 32371302 DOI: 10.1016/j.envint.2020.105706] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/27/2020] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Abstract
Phthalates are among the most ubiquitous environmental contaminants and endocrine-disrupting chemicals. Exposure to phthalates and related health effects have been extensively studied over the past four decades. An association between phthalate exposure and allergic diseases has been suggested, although the literature is far from conclusive. This article reviews and evaluates epidemiological (n = 43), animal (n = 49), and cell culture studies (n = 42), published until the end of 2019, on phthalates and allergic diseases, such as asthma, rhinoconjunctivitis, and eczema. In contrast to earlier reviews, emphasis is placed on experimental studies that use concentrations with relevance for human exposure. Epidemiological studies provide support for associations between phthalate exposures and airway, nasal, ocular, and dermal allergic disease outcomes, although the reported significant associations tend to be weak and demonstrate inconsistencies for any given phthalate. Rodent studies support that phthalates may act as adjuvants at levels likely to be relevant for environmental exposures, inducing respiratory and inflammatory effects in the presence of an allergen. Cell culture studies demonstrate that phthalates may alter the functionality of innate and adaptive immune cells. However, due to limitations of the applied exposure methods and models in experimental studies, including the diversity of phthalates, exposure routes, and allergic diseases considered, the support provided to the epidemiological findings is fragmented. Nevertheless, the current evidence points in the direction of concern. Further research is warranted to identify the most critical windows of exposure, the importance of exposure pathways, interactions with social factors, and the effects of co-exposure to phthalates and other environmental contaminants.
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Affiliation(s)
| | - Kam Sripada
- Centre for Global Health Inequalities Research, Department of Sociology and Political Science, Norwegian University of Science and Technology, Trondheim, Norway.
| | - Rune Becher
- Department of Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Gabriel Bekö
- International Centre for Indoor Environment and Energy, Department of Civil Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark; Faculty of Civil Engineering and Architecture, Kaunas University of Technology, Kaunas, Lithuania
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22
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Wang X, Yan X, Yang Y, Yang W, Zhang Y, Wang J, Ye D, Wu Y, Ma P, Yan B. Dibutyl phthalate-mediated oxidative stress induces splenic injury in mice and the attenuating effects of vitamin E and curcumin. Food Chem Toxicol 2019; 136:110955. [PMID: 31712109 DOI: 10.1016/j.fct.2019.110955] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 11/02/2019] [Accepted: 11/06/2019] [Indexed: 12/13/2022]
Abstract
Dibutyl phthalate (DBP) is a ubiquitous environmental contaminant that at certain levels can be harmful to human health. Although DBP has been widely linked to immunotoxicity, any association between DBP exposure and splenic injury remains unknown. The purpose of this study was to investigate whether DBP exposure can induce splenic injury and the antagonistic effects of two antioxidants, vitamin E (VitE) and curcumin (Cur), on DBP-induced splenic injury. The levels of ROS, GSH, T-AOC, IL-1β, TNF-α, cytochrome C, caspase-8, caspase-9 and caspase-3 in the spleen homogenate of mice were measured. Any histopathological changes in the spleen were observed using H&E and toluidine blue staining. And the morphology of mitochondria was observed using Janus Green B staining. The results indicate that exposure to 50 mg/kg DBP could cause histopathological changes of the spleen and result in inflammation and apoptosis associated with oxidative stress, which may lead to splenic injury in mice. Moreover, both VitE and Cur could antagonize the oxidative stress induced by DBP to reduce splenic injury. These findings help to expand our understanding of DBP-mediated immunotoxicity, and to show that VitE and Cur can alleviate DBP-induced splenic injury and the possible DBP-associated decline in immune function.
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Affiliation(s)
- Xianliang Wang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Xu Yan
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Yuyan Yang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Wenjing Yang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Yujing Zhang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Jiao Wang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Dan Ye
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing, 100021, China.
| | - Yang Wu
- Laboratory of Environment-immunological and Neurological Diseases, Research Center of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, 437100, China.
| | - Ping Ma
- Laboratory of Environment-immunological and Neurological Diseases, Research Center of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, 437100, China.
| | - Biao Yan
- Laboratory of Environment-immunological and Neurological Diseases, Research Center of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, 437100, China.
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23
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Lee W, Cho JH, Lee Y, Lee S, Kim DH, Ha S, Kondo Y, Ishigami A, Chung HY, Lee J. Dibutyl phthalate impairs neural progenitor cell proliferation and hippocampal neurogenesis. Food Chem Toxicol 2019; 129:239-248. [DOI: 10.1016/j.fct.2019.04.040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 04/03/2019] [Accepted: 04/22/2019] [Indexed: 01/18/2023]
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