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Hu CY, Alcala CS, Lamadrid-Figueroa H, Tamayo-Ortiz M, Mercado-Garcia A, Rivera Rivera N, Just AC, Gennings C, Téllez-Rojo MM, Wright RO, Wright RJ, Carroll KN, Rosa MJ. Associations of prenatal exposure to phthalates and their mixture with lung function in Mexican children. JOURNAL OF HAZARDOUS MATERIALS 2024; 475:134863. [PMID: 38885590 PMCID: PMC11250751 DOI: 10.1016/j.jhazmat.2024.134863] [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: 04/20/2024] [Revised: 05/28/2024] [Accepted: 06/07/2024] [Indexed: 06/20/2024]
Abstract
Early life phthalates exposure has been associated with adverse respiratory outcomes. However, evidence linking prenatal phthalates exposure and childhood lung function has been inconclusive. Additionally, few studies have examined phthalates exposure as a mixture and explored sexually dimorphic associations. We aimed to investigate sex-specific associations of prenatal phthalates mixtures with childhood lung function using the PROGRESS cohort in Mexico (N = 476). Prenatal phthalate concentrations were measured in maternal urine collected during the 2nd and 3rd trimesters. Children's lung function was evaluated at ages 8-13 years. Individual associations were assessed using multivariable linear regression, and mixture associations were modeled using repeated holdout WQS regression and hierarchical BKMR; data was stratified by sex to explore sex-specific associations. We identified significant interactions between 2nd trimester phthalates mixture and sex on FEV1 and FVC z-scores. Higher 2nd trimester phthalate concentrations were associated with higher FEV1 (β = 0.054, 95 %CI: 0.005, 0.104) and FVC z-scores (β = 0.074, 95 % CI: 0.024, 0.124) in females and with lower measures in males (FEV1, β = -0.017, 95 %CI: -0.066, 0.026; FVC, β = -0.014, 95 %CI: -0.065, 0.030). This study indicates that prenatal exposure to phthalates is related to childhood lung function in a sex-specific manner.
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Affiliation(s)
- Cheng-Yang Hu
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA; Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Cecilia S Alcala
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA
| | - Hector Lamadrid-Figueroa
- Department of Perinatal Health, Center for Population Health Research, National Institute of Public Health (INSP), Av. Universidad #655 Col. Santa Maria Ahuacatitlan C.P. 62100, Cuernavaca, Morelos, Mexico
| | - Marcela Tamayo-Ortiz
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY 10032, USA
| | - Adriana Mercado-Garcia
- Center for Nutrition and Health Research, National Institute of Public Health, Av. Universidad #655 Col. Santa Maria Ahuacatitlan C.P. 62100, Cuernavaca, Morelos, Mexico
| | - Nadya Rivera Rivera
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA
| | - Allan C Just
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA; Department of Epidemiology, Brown University School of Public Health, 121 S Main St, Providence, RI 02903, USA
| | - Chris Gennings
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA
| | - Martha María Téllez-Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Av. Universidad #655 Col. Santa Maria Ahuacatitlan C.P. 62100, Cuernavaca, Morelos, Mexico
| | - Robert O Wright
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA; Department of Public Health, Icahn School of Medicine at Mount Sinai, 1184 Fifth Avenue, New York, NY 10029, USA; Institute for Climate Change, Environmental Health, and Exposomics, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA
| | - Rosalind J Wright
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA; Department of Public Health, Icahn School of Medicine at Mount Sinai, 1184 Fifth Avenue, New York, NY 10029, USA; Institute for Climate Change, Environmental Health, and Exposomics, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA
| | - Kecia N Carroll
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA; Department of Public Health, Icahn School of Medicine at Mount Sinai, 1184 Fifth Avenue, New York, NY 10029, USA
| | - Maria José Rosa
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, USA.
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Fandiño-Del-Rio M, Matsui EC, Calafat AM, Koehl R, Botelho JC, Woo H, Boyle M, Hansel NN, McCormack M, Quirós-Alcalá L. Recent use of consumer and personal care products and exposures to select endocrine disrupting chemicals among urban children with asthma. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2024; 34:637-646. [PMID: 38890543 DOI: 10.1038/s41370-024-00693-8] [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: 12/15/2023] [Revised: 05/15/2024] [Accepted: 05/20/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Emerging studies suggest that endocrine disrupting chemicals (EDCs) in personal care and other consumer products are linked with various adverse health effects, including respiratory and reproductive effects. Despite Black persons using more personal care products than other demographic groups and having a high asthma burden, little is known regarding their consumer product use patterns and associated EDC exposures. OBJECTIVE To examine the association between recent exposure to select EDCs with specific consumer products and behaviors in a cohort of 110 predominantly Black children with asthma, ages 8-17 years, living in Baltimore City, Maryland. METHODS We quantified concentrations of bisphenol A (BPA), bisphenol S (BPS), bisphenol F, two dichlorophenols, four parabens, triclosan, benzophenone-3, and triclocarban in spot urine samples. Questionnaires were used to capture recent (last 24-h) consumer product use and behaviors. Associations between EDCs and consumer product uses/behaviors were assessed using multivariable linear regression, adjusting for age, gender, race/ethnicity, and caregiver income level. Effect estimates were expressed as geometric mean ratios of biomarker concentrations of product-users vs non-users. RESULTS Increased concentrations to select EDCs were associated with recent use of air freshener (ratios; BPA: 1.9, 95%CI 1.4-2; BPS 1.7, 95%CI 1-2.97; propyl paraben: 3.0, 95%CI 1.6-5.6), scented candles (methyl paraben: 2.6, 95%CI 1.1-6.1), and scented carpet powder (2,5-dichlorophenol: 2.8, 95%CI 1.2-6.3). Additionally, consuming canned food was associated with some increased biomarker concentrations (ratios: BPA: 1.7, 95%CI 1.2-2.4; BPS: 2.1, 95% CI: 1.2-3.6). SIGNIFICANCE These findings add to the body of evidence suggesting that recent use of select consumer products in Black children contributes to exposure of chemicals of concern and could potentially inform exposure mitigation interventions. Findings have broad potential health implications for pediatric populations and Black children who may face exposure and health disparities. IMPACT Little is known about how children's personal care product use and consumer behaviors affect their exposures to endocrine disrupting chemicals (EDCs). This is particularly true for Black children who often experience a disparate exposure burden to many EDCs. This is a significant knowledge gap among children that are uniquely vulnerable to EDCs as they undergo critical windows of growth and development. Our findings show associations between consumer products and EDC exposures in predominantly Black children in low-income settings. Identifying EDC exposure determinants has broad health implications as many of these chemicals have been associated with adverse health risks.
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Affiliation(s)
- Magdalena Fandiño-Del-Rio
- Department of Environmental Health & Engineering, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD, USA
| | - Elizabeth C Matsui
- Department of Pediatrics, Department of Population Health, University of Austin, Dell Medical School, Austin, TX, USA
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Rachelle Koehl
- Pulmonary and Critical Care Division, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Julianne Cook Botelho
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Han Woo
- Pulmonary and Critical Care Division, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Meleah Boyle
- Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, MD, USA
| | - Nadia N Hansel
- Pulmonary and Critical Care Division, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Meredith McCormack
- Pulmonary and Critical Care Division, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Lesliam Quirós-Alcalá
- Department of Environmental Health & Engineering, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD, USA.
- Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, MD, USA.
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3
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Li Z, Li M, Li D, Chen Y, Feng W, Zhao T, Yang L, Mao G, Wu X. A review of cumulative toxic effects of environmental endocrine disruptors on the zebrafish immune system: Characterization methods, toxic effects and mechanisms. ENVIRONMENTAL RESEARCH 2024; 246:118010. [PMID: 38157964 DOI: 10.1016/j.envres.2023.118010] [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: 10/18/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Environmental endocrine disrupting chemicals (EDCs), are a type of exogenous organic pollutants, are ubiquitous in natural aquatic environments. Currently, in addition to neurological, endocrine, developmental and reproductive toxicity, ecotoxicology studies on immunotoxicity are receiving increasing attention. In this review, the composition of immune system of zebrafish, the common indicators of immunotoxicity, the immunotoxicity of EDCs and their molecular mechanism were summarized. We reviewed the immunotoxicity of EDCs on zebrafish mainly in terms of immune organs, immunocytes, immune molecules and immune functions, meanwhile, the possible molecular mechanisms driving these effects were elucidated in terms of endocrine disruption, dysregulation of signaling pathways, and oxidative damage. Hopefully, this review will provide a reference for further investigation of the immunotoxicity of EDCs.
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Affiliation(s)
- Zixu Li
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Muge Li
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Dan Li
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Yao Chen
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China; Institute of Environmental Health and Ecological Safety, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Weiwei Feng
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China; Institute of Environmental Health and Ecological Safety, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Ting Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Liuqing Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Guanghua Mao
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China.
| | - Xiangyang Wu
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China.
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Xiong Y, Liu X, Li T. The urinary metabolites of volatile organic compounds and asthma in young children: NHANES 2011-2018. Heliyon 2024; 10:e24199. [PMID: 38317969 PMCID: PMC10838696 DOI: 10.1016/j.heliyon.2024.e24199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/17/2023] [Accepted: 01/04/2024] [Indexed: 02/07/2024] Open
Abstract
The vast majority of volatile organic compounds (VOCs) are of biological origin and do not affect human health, while some VOCs or their oxidation products can damage the respiratory system, nervous system, digestive system and blood system after long-term inhalation by humans. There is limited evidence regarding the association of VOCs exposure with childhood asthma. In this study, we examined the associations between metabolites of VOCs (mVOCs) in urine and childhood asthma. We included a total of 1542 children aged 3-12 years who had information on urinary mVOCs, asthma and essential covariates in the current analyses. After controlling for covariates, we used logistic regression to assess the association between urinary mVOCs and childhood asthma. Then, we examined effect measure modification by child age, gender, race/ethnicity and serum cotinine. 2-Methylhippuric acid (xylene metabolites) (OR: 1.14; 95 % CI: 0.87, 1.59), N-acetyl-S-(benzyl)-l-cysteine (toluene metabolites) (OR: 1.15 95 % CI: 0.76, 1.71), N-acetyl-S-(2-carboxyethyl)-l-cysteine (acrolein metabolites) (OR: 1.09; 95 % CI: 0.61, 1.75), N-acetyl-S-(3-hydroxypropyl)-l-cysteine (acrolein metabolites) (OR: 1.10; 95 % CI: 0.66, 1.80), and N-acetyl-S-(3-hydroxypropyl-1-methyl)-l-cysteine (crotonaldehyde metabolites) (OR: 1.18; 95 % CI: 0.68, 2.01) were weakly associated with the prevalence of asthma in children. Among female children, 2MHA (2-methylhippuric acid) in urine was significantly associated with the prevalence of asthma (OR: 1.81 95 % CI: 1.07, 3.05). At the same time, BMA (N-acetyl-S-(benzyl)-l-cysteine) was significantly associated with the prevalence of asthma in non-Hispanic White (OR:2.09 95 % CI: 0.91, 4.66) and Black (OR:1.90 95 % CI: 0.96, 3.71) children. We found that gender modified the associations between urinary 2MHA and the odds of asthma (interaction term p value = 0.03). Therefore, exposure to VOCs and the development of childhood asthma remains controversial, and the interpretation of these results needs to be treated with caution and should be confirmed in future studies.Therefore, exposure to VOCs and the development of childhood asthma remains controversial, and the interpretation of these results needs to be treated with caution and should be confirmed in future studies.
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Affiliation(s)
- Yixiao Xiong
- Department of Anesthesiology, West China Hospital, Sichuan University, Sichuan, 610041, China
- Laboratory of Mitochondria and Metabolism, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Sichuan, 610041, China
| | - Xin Liu
- Department of Anesthesiology, West China Hospital, Sichuan University, Sichuan, 610041, China
- Laboratory of Mitochondria and Metabolism, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Sichuan, 610041, China
| | - Tao Li
- Department of Anesthesiology, West China Hospital, Sichuan University, Sichuan, 610041, China
- Laboratory of Mitochondria and Metabolism, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Sichuan, 610041, China
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5
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Maddalon A, Cari L, Iulini M, Alhosseini MN, Galbiati V, Marinovich M, Nocentini G, Corsini E. Impact of endocrine disruptors on peripheral blood mononuclear cells in vitro: role of gender. Arch Toxicol 2023; 97:3129-3150. [PMID: 37676302 PMCID: PMC10567873 DOI: 10.1007/s00204-023-03592-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/24/2023] [Indexed: 09/08/2023]
Abstract
Humans can be exposed to endocrine disruptors (EDs) in numerous ways. EDs can interfere with endogenous hormones at different levels, resulting in numerous adverse human health outcomes, including immunotoxicity. In this regard, this study aimed to investigate in vitro the possible effects of EDs on immune cells and possible gender differences. Peripheral blood mononuclear cells from healthy humans, both males and females, were exposed to 6 different EDs, namely atrazine (herbicide), cypermethrin (insecticide), diethyl phthalate (plasticizer), 17α-ethynylestradiol (contraceptive drug), perfluorooctanesulfonic acid (persistent organic pollutant), and vinclozolin (fungicide). We evaluated the effect of EDs on RACK1 (receptor for activated C kinase 1) expression, considering it as a bridge between the endocrine and the immune system, and putatively used as screening tool of immunotoxic effects of EDs. The exposure to EDs resulted at different extent in alteration in RACK1 expression, pro-inflammatory activity, natural killer lytic ability, and lymphocyte differentiation, with sex-related differences. In particular, diethyl phthalate and perfluorooctanesulfonic acid resulted the most active EDs tested, with gender differences in terms of effects and magnitude. The results from our study evidenced the ability of EDs to directly affect immune cells.
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Affiliation(s)
- Ambra Maddalon
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Rodolfo Paoletti', Università Degli Studi Di Milano, Via Balzaretti 9, 20133, Milan, Italy
| | - Luigi Cari
- Department of Medicine and Surgery, Section of Pharmacology, Università Degli Studi Di Perugia, Building D, Severi Square 1, 06129, Perugia, Italy
| | - Martina Iulini
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Rodolfo Paoletti', Università Degli Studi Di Milano, Via Balzaretti 9, 20133, Milan, Italy
| | - Mahdieh Naghavi Alhosseini
- Department of Medicine and Surgery, Section of Pharmacology, Università Degli Studi Di Perugia, Building D, Severi Square 1, 06129, Perugia, Italy
| | - Valentina Galbiati
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Rodolfo Paoletti', Università Degli Studi Di Milano, Via Balzaretti 9, 20133, Milan, Italy
| | - Marina Marinovich
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Rodolfo Paoletti', Università Degli Studi Di Milano, Via Balzaretti 9, 20133, Milan, Italy
| | - Giuseppe Nocentini
- Department of Medicine and Surgery, Section of Pharmacology, Università Degli Studi Di Perugia, Building D, Severi Square 1, 06129, Perugia, Italy.
| | - Emanuela Corsini
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Rodolfo Paoletti', Università Degli Studi Di Milano, Via Balzaretti 9, 20133, Milan, Italy
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DeBoer EM, Morgan WJ, Quiros-Alcala L, Rosenfeld M, Stout JW, Davis SD, Gaffin JM. Defining and Promoting Pediatric Pulmonary Health: Assessing Lung Function and Structure. Pediatrics 2023; 152:e2023062292E. [PMID: 37656029 PMCID: PMC10484309 DOI: 10.1542/peds.2023-062292e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/16/2023] [Indexed: 09/02/2023] Open
Abstract
Lifelong respiratory health is rooted in the structural and functional development of the respiratory system in early life. Exposures and interventions antenatally through childhood can influence lung development into young adulthood, the life stage with the highest achievable lung function. Because early respiratory health sets the stage for adult lung function trajectories and risk of developing chronic obstructive pulmonary disease, understanding how to promote lung health in children will have far reaching personal and population benefits. To achieve this, it is critical to have accurate and precise measures of structural and functional lung development that track throughout life stages. From this foundation, evaluation of environmental, genetic, metabolic, and immune mechanisms involved in healthy lung development can be investigated. These goals require the involvement of general pediatricians, pediatric subspecialists, patients, and researchers to design and implement studies that are broadly generalizable and applicable to otherwise healthy and chronic disease populations. This National Institutes of Health workshop report details the key gaps and opportunities regarding lung function and structure.
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Affiliation(s)
- Emily M. DeBoer
- University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Wayne J. Morgan
- Department of Pediatrics, University of Arizona, Tucson, Arizona
| | - Lesliam Quiros-Alcala
- Johns Hopkins University, Bloomberg School of Public Health and Whiting School of Engineering, Environmental Health and Engineering, Baltimore, Maryland
| | - Margaret Rosenfeld
- Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington
| | - James W. Stout
- Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington
| | - Stephanie D. Davis
- Department of Pediatrics, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina
| | - Jonathan M. Gaffin
- Division of Pulmonary Medicine, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
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7
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Pierozan P, Källsten L, Theodoropoulou E, Almamoun R, Karlsson O. Persistent immunosuppressive effects of dibutyl phthalate exposure in adult male mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:162741. [PMID: 36914131 DOI: 10.1016/j.scitotenv.2023.162741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 02/28/2023] [Accepted: 03/05/2023] [Indexed: 05/13/2023]
Abstract
Increased exposure to manmade chemicals may be linked to an increase in immune-related diseases in humans and immune system dysfunction in wildlife. Phthalates are a group of endocrine-disrupting chemicals (EDCs) suspected to influence the immune system. The aim of this study was to characterize the persistent effects on leukocytes in the blood and spleen, as well as plasma cytokine and growth factor levels, one week after the end of five weeks of oral treatment with dibutyl phthalate (DBP; 10 or 100 mg/kg/d) in adult male mice. Flow cytometry analysis of the blood revealed that DBP exposure decreased the total leukocyte count, classical monocyte and T helper (Th) populations, whereas it increased the non-classical monocyte population compared to the vehicle control (corn oil). Immunofluorescence analysis of the spleen showed increased CD11b+Ly6G+ (marker of polymorphonuclear myeloid-derived suppressor cells; PMN-MDSCs), and CD43+staining (marker of non-classical monocytes), whereas CD3+ (marker of total T cells) and CD4+ (marker of Th cells) staining decreased. To investigate the mechanisms of action, levels of plasma cytokines and chemokines were measured using multiplexed immunoassays and other key factors were analyzed using western blotting. The observed increase in M-CSF levels and the activation of STAT3 may promote PMN-MDSC expansion and activity. Increased ARG1, NOX2 (gp91phox), and protein nitrotyrosine levels, as well as GCN2 and phosphor-eIRFα, suggest that oxidative stress and lymphocyte arrest drive the lymphocyte suppression caused by PMN-MDSCs. The plasma levels of IL-21 (promotes the differentiation of Th cells) and MCP-1 (regulates migration and infiltration of monocytes/macrophages) also decreased. These findings show that adult DBP exposure can cause persistent immunosuppressive effects, which may increase susceptibility to infections, cancers, and immune diseases, and decrease vaccine efficacy.
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Affiliation(s)
- Paula Pierozan
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm 114 18, Sweden
| | - Liselott Källsten
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm 114 18, Sweden
| | - Eleftheria Theodoropoulou
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm 114 18, Sweden
| | - Radwa Almamoun
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm 114 18, Sweden
| | - Oskar Karlsson
- Science for Life Laboratory, Department of Environmental Science, Stockholm University, Stockholm 114 18, Sweden.
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8
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Dcunha R, Kumari S, Najar MA, Aravind A, Suvarna KS, Hanumappa A, Mutalik SP, Mutalik S, Kalthur SG, Rajanikant GK, Siddiqui S, Alrumman S, Alamri SAM, Raghu SV, Adiga SK, Kannan N, Thottethodi Subrahmanya KP, Kalthur G. High doses of GrassOut Max poses reproductive hazard by affecting male reproductive function and early embryogenesis in Swiss albino mice. CHEMOSPHERE 2023:139215. [PMID: 37336444 DOI: 10.1016/j.chemosphere.2023.139215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 05/16/2023] [Accepted: 06/12/2023] [Indexed: 06/21/2023]
Abstract
Clethodim is a widely used and approved class II herbicide, with little information about its impact on the reproductive system. Herein, we investigated the male reproductive toxicity of clethodim using a mouse model. GrassOut Max (26% clethodim-equivalent) or 50 mg kg-1 body weight analytical grade clethodim (≥90%) were given orally to male mice for 10 d in varying doses. All parameters were assessed at 35 d from the first day of treatment. Significant decrease in testicular weight, decreased germ cell population, elevated DNA damage in testicular cells and lower serum testosterone level was observed post clethodim-equivalent exposure. Epididymal spermatozoa were characterized with significant decrease in motility, elevated DNA damage, abnormal morphology, chromatin immaturity and, decreased acetylated-lysine of sperm proteins. In the testicular cells of clethodim-equivalent treated mice, the expression of Erβ and Gper was significantly higher. Proteomic analysis revealed lower metabolic activity, poor sperm-oocyte binding potential and defective mitochondrial electron transport in spermatozoa of clethodim-equivalent treated mice. Further, fertilizing ability of spermatozoa was compromised and resulted in defective preimplantation embryo development. Together, our data suggest that clethodim exposure risks male reproductive function and early embryogenesis in Swiss albino mice via endocrine disrupting function.
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Affiliation(s)
- Reyon Dcunha
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Sandhya Kumari
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Mohd Altaf Najar
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Center, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Anjana Aravind
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Center, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Keerthana Sandesh Suvarna
- Division of Clinical Embryology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Ananda Hanumappa
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Sadhana P Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Sneha Guruprasad Kalthur
- Department of Anatomy, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - G K Rajanikant
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Sazada Siddiqui
- Department of Biology, College of Sciences, King Khalid University, Abha, 11362, Saudi Arabia
| | - Sulaiman Alrumman
- Department of Biology, College of Sciences, King Khalid University, Abha, 11362, Saudi Arabia
| | | | - Shamprasad Varija Raghu
- Neurogenetics Lab, Department of Applied Zoology, Mangalore University, Mangalagangotri, 574199, Karnataka, India
| | - Satish Kumar Adiga
- Division of Clinical Embryology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Nagarajan Kannan
- Division of Experimental Pathology and Laboratory Medicine, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, 55905, USA; Center for Regenerative Medicine, Mayo Clinic, Rochester, MN, 55905, USA; Mayo Clinic Cancer Center, Mayo Clinic, Rochester, MN, 55905, USA
| | | | - Guruprasad Kalthur
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India.
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9
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de Souza IR, Iulini M, Galbiati V, Silva EZM, Sivek TW, Rodrigues AC, Gradia DF, Pestana CB, Leme DM, Corsini E. An integrated in silico-in vitro investigation to assess the skin sensitization potential of 4-Octylphenol. Toxicology 2023; 493:153548. [PMID: 37207816 DOI: 10.1016/j.tox.2023.153548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/04/2023] [Accepted: 05/16/2023] [Indexed: 05/21/2023]
Abstract
One of the major challenges in chemical toxicity testing is the possibility to protect human health against adverse effects with non-animal methods. In this paper, 4-Octylphenol (OP) was tested for skin sensitization and immunomodulatory effects using an integrated in silico-in vitro test approach. In silico tools (QSAR TOOLBOX 4.5, ToxTree and VEGA) were used together with several in vitro tests including HaCaT cells (quantification of IL-6; IL-8; IL-1α and IL-18 by ELISA and expression of genes TNF, IL1A, IL6 and IL8 by RT- qPCR), RHE model (quantification of IL-6; IL-8; IL-1α and IL-18 by ELISA) and THP-1 activation assay (CD86/CD54 expression and IL-8 release). Additionally, the immunomodulatory effect of OP was investigated using lncRNAs MALAT1 and NEAT1 expression and LPS-induced THP-1 activation (CD86/CD54 expression and IL-8 release). The in silico tools predicted OP as a sensitizer. In vitro tests are also concordant with the in silico prediction. OP increased IL-6 expression (HaCaT cells); IL-18 and IL-8 expressions (RHE model). An irritant potential was also shown by a great expression of IL-1α (RHE model); and increased expression of CD54 marker and IL-8 in THP-1 cells. Immunomodulatory effects of OP were demonstrated by the downregulation of NEAT1, MALAT1 (epigenetic markers), IL6 and IL8; and an increase in LPS-induced CD54 and IL-8 expressions. Overall, results indicate that OP is a skin sensitizer, being positive in three key events of the AOP for skin sensitization, also showing immunomodulatory effects.
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Affiliation(s)
- Isisdoris Rodrigues de Souza
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Martina Iulini
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università Degli Studi di Milano, Milan, Italy
| | - Valentina Galbiati
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università Degli Studi di Milano, Milan, Italy.
| | - Enzo Zini Moreira Silva
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Tainá Wilke Sivek
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Ana Carolina Rodrigues
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Daniela Fiori Gradia
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Cynthia Bomfim Pestana
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Daniela Morais Leme
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, Araraquara, SP, Brazil
| | - Emanuela Corsini
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università Degli Studi di Milano, Milan, Italy
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10
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Loftus CT, Szpiro AA, Workman T, Wallace ER, Hazlehurst MF, Day DB, Ni Y, Carroll KN, Adgent MA, Moore PE, Barrett ES, Nguyen RHN, Kannan K, Robinson M, Masterson EE, Tylavsky FA, Bush NR, LeWinn KZ, Sathyanarayana S, Karr CJ. Maternal exposure to urinary polycyclic aromatic hydrocarbons (PAH) in pregnancy and childhood asthma in a pooled multi-cohort study. ENVIRONMENT INTERNATIONAL 2022; 170:107494. [PMID: 36279735 PMCID: PMC9810359 DOI: 10.1016/j.envint.2022.107494] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 08/06/2022] [Accepted: 08/29/2022] [Indexed: 05/31/2023]
Abstract
BACKGROUND Prenatal exposure to polycyclic aromatic hydrocarbons (PAH) may increase risk of pediatric asthma, but existing human studies are limited. OBJECTIVES We estimated associations between gestational PAHs and pediatric asthma in a diverse US sample and evaluated effect modification by child sex, maternal asthma, and prenatal vitamin D status. METHODS We pooled two prospective pregnancy cohorts in the ECHO PATHWAYS Consortium, CANDLE and TIDES, for an analytic sample of N = 1296 mother-child dyads. Mono-hydroxylated PAH metabolites (OH-PAHs) were measured in mid-pregnancy urine. Mothers completed the International Study on Allergies and Asthma in Childhood survey at child age 4-6 years. Poisson regression with robust standard errors was used to estimate relative risk of current wheeze, current asthma, ever asthma, and strict asthma associated with each metabolite, adjusted for potential confounders. We used interaction models to assess effect modification. We explored associations between OH-PAH mixtures and outcomes using logistic weighted quantile sum regression augmented by a permutation test to control Type 1 errors. RESULTS The sociodemographically diverse sample spanned five cities. Mean (SD) child age at assessment was 4.4 (0.4) years. While there was little evidence that either individual OH-PAHs or mixtures were associated with outcomes, we observed effect modification by child sex for most pairs of OH-PAHs and outcomes, with adverse associations specific to females. For example, a 2-fold increase in 2-hydroxy-phenanthrene was associated with current asthma in females but not males (RRfemale = 1.29 [95 % CI: 1.09, 1.52], RRmale = 0.95 [95 % CI: 0.79, 1.13]; pinteraction = 0.004). There was no consistent evidence of modification by vitamin D status or maternal asthma. DISCUSSION This analysis, the largest cohort study of gestational PAH exposure and childhood asthma to date, suggests adverse associations for females only. These preliminary findings are consistent with hypothesized endocrine disruption properties of PAHs, which may lead to sexually dimorphic effects.
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Affiliation(s)
- Christine T Loftus
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA.
| | - Adam A Szpiro
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Tomomi Workman
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Erin R Wallace
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Marnie F Hazlehurst
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Drew B Day
- Department of Child Health, Behavior, and Development, Seattle Children's Research Institute, Seattle, WA, USA
| | - Yu Ni
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Kecia N Carroll
- Department of Pediatrics, Department of Environmental Medicine & Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Margaret A Adgent
- Department of Pediatrics, College of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Paul E Moore
- Division of Allergy, Immunology, and Pulmonology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Emily S Barrett
- Department of Epidemiology, Environmental and Occupational Health Sciences Institute, Rutgers School of Public Health, Piscataway, NJ, USA
| | - Ruby H N Nguyen
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics, Department of Environmental Medicine, New York University School of Medicine, New York City, NY, USA
| | - Morgan Robinson
- Department of Pediatrics, Department of Environmental Medicine, New York University School of Medicine, New York City, NY, USA
| | - Erin E Masterson
- Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Frances A Tylavsky
- Department of Preventive Medicine, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Nicole R Bush
- Department of Psychiatry and Pediatrics, School of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Kaja Z LeWinn
- Department of Psychiatry and Pediatrics, School of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Sheela Sathyanarayana
- Department of Child Health, Behavior, and Development, Seattle Children's Research Institute, Seattle, WA, USA; Department of Pediatrics, School of Medicine, Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
| | - Catherine J Karr
- Department of Pediatrics, School of Medicine, Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA
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11
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Prince N, Kim M, Kelly RS, Diray-Arce J, Bønnelykke K, Chawes BL, Huang M, Levy O, Litonjua AA, Stokholm J, Wheelock CE, Bisgaard H, Weiss ST, Lasky-Su JA. Reduced Steroid Metabolites Identify Infection-Prone Children in Two Independent Pre-Birth Cohorts. Metabolites 2022; 12:metabo12111108. [PMID: 36422248 PMCID: PMC9692427 DOI: 10.3390/metabo12111108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
Recurrent respiratory infections are a leading cause of morbidity and mortality in early life, but there is no broadly accepted means to identify infection-prone children during this highly vulnerable period. In this study, we investigated associations between steroid metabolites and incident respiratory infections in two pre-birth cohorts to identify novel metabolomic signatures of early infection proneness. Children from the Vitamin D Antenatal Asthma Reduction Trial and the Copenhagen Prospective Studies on Asthma in Childhood were included, and profiling was performed on plasma samples collected at ages 1 and 6 years. Both cohorts recorded incidence of lower respiratory infections, upper respiratory infections, ear infections, and colds. Poisson regression analysis assessed the associations between 18 steroid metabolites and the total number of respiratory infections that occurred in offspring during follow-up. We found that steroid metabolites across androgenic, corticosteroid, pregnenolone, and progestin classes were reduced in children that suffered more infections, and these patterns persisted at age 6 years, generally reflecting consistency in direction of effect and significance. Our analysis suggested steroid metabolite measurement may be useful in screening for infection proneness during this critical developmental period. Future studies should clinically evaluate their potential utility as a clinical screening tool.
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Affiliation(s)
- Nicole Prince
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Min Kim
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, 2820 Gentofte, Denmark
| | - Rachel S. Kelly
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Joann Diray-Arce
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA 02115, USA
| | - Klaus Bønnelykke
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, 2820 Gentofte, Denmark
| | - Bo L. Chawes
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, 2820 Gentofte, Denmark
| | - Mengna Huang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Ofer Levy
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA 02115, USA
| | - Augusto A. Litonjua
- Division of Pediatric Pulmonary Medicine, Department of Pediatrics, Golisano Children’s Hospital and University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Jakob Stokholm
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, 2820 Gentofte, Denmark
| | - Craig E. Wheelock
- Department of Medical Biochemistry and Biophysics, Division of Physiological Chemistry 2, Karolinska Institute, 17177 Stockholm, Sweden
| | - Hans Bisgaard
- Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Herlev and Gentofte Hospital, University of Copenhagen, 2820 Gentofte, Denmark
| | - Scott T. Weiss
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Jessica A. Lasky-Su
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA 02115, USA
- Correspondence: ; Tel.: +1-617-875-9992
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12
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Louis M, Tahrioui A, Verdon J, David A, Rodrigues S, Barreau M, Manac’h M, Thiroux A, Luton B, Dupont C, Calvé ML, Bazire A, Crépin A, Clabaut M, Portier E, Taupin L, Defontaine F, Clamens T, Bouffartigues E, Cornelis P, Feuilloley M, Caillon J, Dufour A, Berjeaud JM, Lesouhaitier O, Chevalier S. Effect of Phthalates and Their Substitutes on the Physiology of Pseudomonas aeruginosa. Microorganisms 2022; 10:microorganisms10091788. [PMID: 36144390 PMCID: PMC9502294 DOI: 10.3390/microorganisms10091788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/26/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
Phthalates are used in a variety of applications—for example, as plasticizers in polyvinylchloride products to improve their flexibility—and can be easily released into the environment. In addition to being major persistent organic environmental pollutants, some phthalates are responsible for the carcinogenicity, teratogenicity, and endocrine disruption that are notably affecting steroidogenesis in mammals. Numerous studies have thus focused on deciphering their effects on mammals and eukaryotic cells. While multicellular organisms such as humans are known to display various microbiota, including all of the microorganisms that may be commensal, symbiotic, or pathogenic, few studies have aimed at investigating the relationships between phthalates and bacteria, notably regarding their effects on opportunistic pathogens and the severity of the associated pathologies. Herein, the effects of phthalates and their substitutes were investigated on the human pathogen, Pseudomonas aeruginosa, in terms of physiology, virulence, susceptibility to antibiotics, and ability to form biofilms. We show in particular that most of these compounds increased biofilm formation, while some of them enhanced the bacterial membrane fluidity and altered the bacterial morphology.
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Affiliation(s)
- Mélissande Louis
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Ali Tahrioui
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Julien Verdon
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- CNRS UMR7267 Ecologie et Biologie des Interactions (EBI), Université de Poitiers, F-86000 Poitiers, France
| | - Audrey David
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Sophie Rodrigues
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Magalie Barreau
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Maëliss Manac’h
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Audrey Thiroux
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- CNRS UMR7267 Ecologie et Biologie des Interactions (EBI), Université de Poitiers, F-86000 Poitiers, France
| | - Baptiste Luton
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Charly Dupont
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Marie Le Calvé
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Alexis Bazire
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Alexandre Crépin
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- CNRS UMR7267 Ecologie et Biologie des Interactions (EBI), Université de Poitiers, F-86000 Poitiers, France
| | - Maximilien Clabaut
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- CNRS UMR7267 Ecologie et Biologie des Interactions (EBI), Université de Poitiers, F-86000 Poitiers, France
| | - Emilie Portier
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Laure Taupin
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Florian Defontaine
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Thomas Clamens
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Emeline Bouffartigues
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Pierre Cornelis
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Marc Feuilloley
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Jocelyne Caillon
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- EA3826 Thérapeutiques Cliniques et Expérimentales des Infections, Faculté de Médecine, Université de Nantes, F-44000 Nantes, France
| | - Alain Dufour
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Université de Bretagne-Sud, EA 3884, LBCM, IUEM, F-56100 Lorient, France
| | - Jean-Marc Berjeaud
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- CNRS UMR7267 Ecologie et Biologie des Interactions (EBI), Université de Poitiers, F-86000 Poitiers, France
| | - Olivier Lesouhaitier
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
| | - Sylvie Chevalier
- Unité de Recherche Communication Bactérienne et Stratégies Anti-Infectieuses, CBSA UR4312, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- SéSAD, Fédération de Recherche “Sécurité Sanitaire, Bien Être, Aliment Durable”, Université de Rouen-Normandie, Normandie Université, F-27000 Évreux, France
- IMPERIAL Project Consortium, ANSES, F-94706 Maisons-Alfort, France
- Correspondence: ; Tel.: +33-2-32-29-15-60
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13
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Zhu C, Sun Y, Zhao Y, Hou J, Zhang Q, Wang P. Associations between Children's asthma and allergic symptoms and phthalates in dust in metropolitan Tianjin, China. CHEMOSPHERE 2022; 302:134786. [PMID: 35508265 DOI: 10.1016/j.chemosphere.2022.134786] [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: 10/25/2021] [Revised: 03/25/2022] [Accepted: 04/27/2022] [Indexed: 06/14/2023]
Abstract
Prevalences of allergies and asthma have increased through the past few decades around the world, especially in countries and regions that have adopted modern lifestyles. Epidemiological studies outside of China have found a relationship between phthalates concentrations in indoor dust and symptoms of respiratory, skin and nose allergies. The aim of our study is to investigate the association between children's asthma and allergic symptoms and concentrations of different phthalates in settled dust samples collected from children's homes in metropolitan Tianjin (Tianjin and Cangzhou), China. We selected 126 cases with current allergic symptoms and 254 controls without allergic symptoms from the cohort of 7865 children. We collected dust samples from children's bedroom and analyzed them for their content of diethyl phthalate (DEP), diisobutyl phthalate (DiBP), di-n-butyl phthalate (DnBP), butylbenzyl phthalate (BBzP), di-2-ethylhexyl phthalate (DEHP) and diisononyl phthalate (DiNP). We found a higher concentration of DEP in rhinitis children's homes (0.33 vs. 0.27 μg/g dust) and a higher concentration of DiBP in asthma children's homes (29.04 vs. 15.66 μg/g dust). The concentration of DiBP was significantly associated with diagnosed asthma (adjusted odds ratio (AOR): 1.30; 95% confidence interval (CI): 1.07, 1.57). A dose-response relationship was found between concentrations of DiBP in dust and asthma. This study shows that some phthalates are associated with allergic and asthma symptoms in children.
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Affiliation(s)
- Changqi Zhu
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
| | - Yuexia Sun
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China.
| | - Yuxuan Zhao
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
| | - Jing Hou
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
| | - Qingnan Zhang
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
| | - Pan Wang
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Yaguan Road 135, Jinnan District, Tianjin, 300350, China
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14
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Epigenetics at the Intersection of COVID-19 Risk and Environmental Chemical Exposures. Curr Environ Health Rep 2022; 9:477-489. [PMID: 35648356 PMCID: PMC9157479 DOI: 10.1007/s40572-022-00353-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE OF REVIEW Several environmental contaminants have been implicated as contributors to COVID-19 susceptibility and severity. Immunomodulation and epigenetic regulation have been hypothesized as mediators of this relationship, but the precise underlying molecular mechanisms are not well-characterized. This review examines the evidence for epigenetic modification at the intersection of COVID-19 and environmental chemical exposures. RECENT FINDINGS Numerous environmental contaminants including air pollutants, toxic metal(loid)s, per- and polyfluorinated substances, and endocrine disrupting chemicals are hypothesized to increase susceptibility to the SARS-CoV-2 virus and the risk of severe COVID-19, but few studies currently exist. Drawing on evidence that many environmental chemicals alter the epigenetic regulation of key immunity genes and pathways, we discuss how exposures likely perturb host antiviral responses. Specific mechanisms vary by contaminant but include general immunomodulation as well as regulation of viral entry and recognition, inflammation, and immunologic memory pathways, among others. Associations between environmental contaminants and COVID-19 are likely mediated, in part, by epigenetic regulation of key immune pathways involved in the host response to SARS-CoV-2.
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15
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Hwang M, Choi K, Park C. Urinary levels of phthalate, bisphenol, and paraben and allergic outcomes in children: Korean National Environmental Health Survey 2015-2017. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 818:151703. [PMID: 34798094 DOI: 10.1016/j.scitotenv.2021.151703] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/19/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Phthalates, bisphenols and parabens have been widely used in household and personal-care products. Their endocrine disrupting, sensitizing and antimicrobial properties might play a role in the occurrence of allergic diseases. However, the effects of these chemicals, particularly on humans, are relatively underexplored. OBJECTIVES This study aimed to report the concentrations of phthalate, bisphenol and paraben in urine of Korean children, and assess their relationship with allergic outcomes. METHODS Data obtained from nationally representative Korean children, a total of 1458 children between 3 and 11 years of age recruited in the Korean National Environmental Health Survey (3 rd round of KoNEHS 2015-2017), were analyzed. Associations of urinary phthalate metabolites, bisphenols, and parabens levels with atopic dermatitis and allergic rhinitis was examined by grouped into preschool (aged 3-5 years) and school children (aged 6-11 years). Allergic outcomes were obtained through questionnaires answered by their caregivers. RESULTS Atopic dermatitis was associated with urinary metabolites of DEHP, BzBP, DINP, and DIDP, and MeP and PrP in preschool children, BPA and PrP in school children. Allergic rhinitis was associated with MeP and PrP in preschool children, and metabolites of DEHP, MeP and PrP in school children. The association of urinary chemicals with atopic dermatitis and allergic rhinitis were different by gender, especially in preschool children. CONCLUSION Urinary phthalates, BPA and parabens levels in the Korean children were related with atopic dermatitis and allergic rhinitis. Considering the importance of allergic diseases in children, the public health implications of exposure to these chemicals warrant further studies. Given the cross-sectional design and confounding variables, the results of this study should be interpreted with caution.
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Affiliation(s)
- Moonyoung Hwang
- Environmental Health Research Division, National Institute of Environmental Research, Ministry of Environment, Incheon, South Korea
| | - Kyungho Choi
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, South Korea
| | - Choonghee Park
- Environmental Health Research Division, National Institute of Environmental Research, Ministry of Environment, Incheon, South Korea.
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16
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Toxic Effects of Endocrine Disruptor Exposure on Collagen-Induced Arthritis. Biomolecules 2022; 12:biom12040564. [PMID: 35454153 PMCID: PMC9025575 DOI: 10.3390/biom12040564] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/01/2022] [Accepted: 04/08/2022] [Indexed: 12/13/2022] Open
Abstract
Endocrine disruptors (EDs) are chemical substances capable of affecting endocrine system functioning and interfering with organ morphogenesis and physiological functions. The development and regeneration of bone tissues have a complex hormonal regulation, and therefore, bone tissue cells can be considered potential targets for endocrine disruptors. In that regard, the aim of this research was to investigate the impact of ED exposure on the inflammatory response and oxidative stress in an experimental model of collagen-induced arthritis (CIA). Arthritis was induced by an emulsion of type II collagen (CII) and complete Freund’s adjuvant, which was administered intradermally on days 0 and 21. Mice from day 21 to day 35 received the following EDs by oral gavage: cypermethrin (CP), diethyl phthalate (DEP), vinclozolin (VCZ), 17α-ethinylestradiol (EE), perfluorooctanesulfonic acid (PFOS) and atrazine (ATR). ED exposure caused worsening of clinical signs (erythema and edema in the hind paws), histological and radiographic changes, as well as behavioral deficits, induced by CII injections. Furthermore, ED exposure significantly increased the degree of inflammation and oxidative damage induced by arthritis; this upregulation was more evident after exposure to ATR than to other EDs. The results from our study suggest that exposure to EDs may play a deleterious role in the progression of RA; therefore, exposure to EDs should be limited.
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17
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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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18
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Sabuz Vidal O, Deepika D, Schuhmacher M, Kumar V. EDC-induced mechanisms of immunotoxicity: a systematic review. Crit Rev Toxicol 2022; 51:634-652. [PMID: 35015608 DOI: 10.1080/10408444.2021.2009438] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Endocrine-disrupting chemicals (EDCs) refer to a group of chemicals that cause adverse effects in human health, impairing hormone production and regulation, resulting in alteration of homeostasis, reproductive, and developmental, and immune system impairments. The immunotoxicity of EDCs involves many mechanisms altering gene expression that depend on the activation of nuclear receptors such as the aryl hydrocarbon receptor (AHR), the estrogen receptor (ER), and the peroxisome proliferator-activated receptor (PPAR), which also results in skin and intestinal disorders, microbiota alterations and inflammatory diseases. This systematic review aims to review different mechanisms of immunotoxicity and immunomodulation of T cells, focusing on T regulatory (Treg) and Th17 subsets, B cells, and dendritic cells (DCs) caused by specific EDCs such as 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), bisphenols (BPs) and polyfluoroalkyl substances (PFASs). To achieve this objective, a systematic study was conducted searching various databases including PubMed and Scopus to find in-vitro, in-vivo, and biomonitoring studies that examine EDC-dependent mechanisms of immunotoxicity. While doing the systematic review, we found species- and cell-specific outcomes and a translational gap between in-vitro and in-vivo experiments. Finally, an adverse outcome pathway (AOP) framework is proposed, which explains mechanistically toxicity endpoints emerging from different EDCs having similar key events and can help to improve our understanding of EDCs mechanisms of immunotoxicity. In conclusion, this review provides insights into the mechanisms of immunotoxicity mediated by EDCs and will help to improve human health risk assessment.
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Affiliation(s)
- Oscar Sabuz Vidal
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Tarragona, Spain
| | - Deepika Deepika
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Tarragona, Spain
| | - Marta Schuhmacher
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Tarragona, Spain
| | - Vikas Kumar
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Tarragona, Spain.,IISPV, Hospital Universitari Sant Joan de Reus, Universitat Rovira I Virgili, Reus, Spain
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19
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Hussain MA, Sumon TA, Mazumder SK, Ali MM, Jang WJ, Abualreesh MH, Sharifuzzaman S, Brown CL, Lee HT, Lee EW, Hasan MT. Essential oils and chitosan as alternatives to chemical preservatives for fish and fisheries products: A review. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108244] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Maddalon A, Galbiati V, Colosio C, Mandić-Rajčević S, Corsini E. Glyphosate-based herbicides: Evidence of immune-endocrine alteration. Toxicology 2021; 459:152851. [PMID: 34246717 DOI: 10.1016/j.tox.2021.152851] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 06/10/2021] [Accepted: 07/06/2021] [Indexed: 12/28/2022]
Abstract
Glyphosate (G) is the active ingredient of the most widely used herbicide products. It targets the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), which lacks in humans, suggesting to confer a low mammalian toxicity to G-based herbicides (GBHs). Despite this, the use of G is currently under intense debate. Many studies indicating its hazard and toxicity on non-target organisms are emerging, and associations between GBHs and immune-endocrine disturbances have been described. This review aims to investigate, based on recent epidemiological studies and studies performed in vitro and in vivo in animals, the possible association between GBHs and immune-endocrine alterations. Published data suggest that GBHs have endocrine disrupting potentiality targeting sex and thyroid hormones, although its relevance for humans will require further investigations. Evidence of immunotoxicity are limited compared to those on endocrine effects, but overall highlight possible noxious effects, including lung inflammation and rhinitis. An attractive hypothesis could be the one that connects microbiota dysbiosis with possible immune-endocrine outcomes. Indeed, several intestinal microorganisms express the enzyme EPSPS and, studies are emerging that highlight a possible G-induced dysbiosis. Considering the wide use of GBHs in agriculture, further studies investigating their noxious effects at levels relevant for human exposure should be performed. A critical analysis of emerging evidence of G toxicity is required to better characterize its safety profile. In addition, attention should be paid to the differences between G alone and its formulations, which, containing substances able to increase G absorption, may present a different toxicity profile.
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Affiliation(s)
- Ambra Maddalon
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133, Milan, Italy
| | - Valentina Galbiati
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133, Milan, Italy.
| | - Claudio Colosio
- Occupational Health Unit, International Centre for Rural Health, ASST Santi Paolo e Carlo, Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Stefan Mandić-Rajčević
- Occupational Health Unit, International Centre for Rural Health, ASST Santi Paolo e Carlo, Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Emanuela Corsini
- Laboratory of Toxicology, Department of Environmental and Political Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133, Milan, Italy
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21
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Padmanabhan V, Song W, Puttabyatappa M. Praegnatio Perturbatio-Impact of Endocrine-Disrupting Chemicals. Endocr Rev 2021; 42:295-353. [PMID: 33388776 PMCID: PMC8152448 DOI: 10.1210/endrev/bnaa035] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Indexed: 02/07/2023]
Abstract
The burden of adverse pregnancy outcomes such as preterm birth and low birth weight is considerable across the world. Several risk factors for adverse pregnancy outcomes have been identified. One risk factor for adverse pregnancy outcomes receiving considerable attention in recent years is gestational exposure to endocrine-disrupting chemicals (EDCs). Humans are exposed to a multitude of environmental chemicals with known endocrine-disrupting properties, and evidence suggests exposure to these EDCs have the potential to disrupt the maternal-fetal environment culminating in adverse pregnancy and birth outcomes. This review addresses the impact of maternal and fetal exposure to environmental EDCs of natural and man-made chemicals in disrupting the maternal-fetal milieu in human leading to adverse pregnancy and birth outcomes-a risk factor for adult-onset noncommunicable diseases, the role lifestyle and environmental factors play in mitigating or amplifying the effects of EDCs, the underlying mechanisms and mediators involved, and the research directions on which to focus future investigations to help alleviate the adverse effects of EDC exposure.
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Affiliation(s)
| | - Wenhui Song
- Department of Pediatrics, University of Michigan, Ann Arbor, Michigan, USA
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22
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Alampanos V, Samanidou V. An overview of sample preparation approaches prior to liquid chromatography methods for the determination of parabens in biological matrices. Microchem J 2021. [DOI: 10.1016/j.microc.2021.105995] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Endocrine-Disrupting Chemicals and Infectious Diseases: From Endocrine Disruption to Immunosuppression. Int J Mol Sci 2021; 22:ijms22083939. [PMID: 33920428 PMCID: PMC8069594 DOI: 10.3390/ijms22083939] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 01/08/2023] Open
Abstract
Endocrine-disrupting chemicals (EDCs) are hormonally active compounds in the environment that interfere with the body's endocrine system and consequently produce adverse health effects. Despite persistent public health concerns, EDCs remain important components of common consumer products, thus representing ubiquitous contaminants to humans. While scientific evidence confirmed their contribution to the severity of Influenza A virus (H1N1) in the animal model, their roles in susceptibility and clinical outcome of the coronavirus disease (COVID-19) cannot be underestimated. Since its emergence in late 2019, clinical reports on COVID-19 have confirmed that severe disease and death occur in persons aged ≥65 years and those with underlying comorbidities. Major comorbidities of COVID-19 include diabetes, obesity, cardiovascular disease, hypertension, cancer, and kidney and liver diseases. Meanwhile, long-term exposure to EDCs contributes significantly to the onset and progression of these comorbid diseases. Besides, EDCs play vital roles in the disruption of the body's immune system. Here, we review the recent literature on the roles of EDCs in comorbidities contributing to COVID-19 mortality, impacts of EDCs on the immune system, and recent articles linking EDCs to COVID-19 risks. We also recommend methodologies that could be adopted to comprehensively study the role of EDCs in COVID-19 risk.
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24
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Tirpák F, Greifová H, Lukáč N, Stawarz R, Massányi P. Exogenous Factors Affecting the Functional Integrity of Male Reproduction. Life (Basel) 2021; 11:213. [PMID: 33803103 PMCID: PMC8001766 DOI: 10.3390/life11030213] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/04/2021] [Accepted: 03/07/2021] [Indexed: 12/16/2022] Open
Abstract
Natural processes along with increased industrial production and the irresponsible behavior of mankind have resulted in environmental pollution. Environmental pollutants can be categorized based on their characteristics and appearance into the following groups: physical, biological, and chemical. Every single one of them represents a serious threat to the male reproductive tract despite the different modes of action. Male gonads and gametes are especially vulnerable to the effect of exogenous factors; therefore, they are considered a reliable indicator of environmental pollution. The impact of xenobiotics or radiation leads to an irreversible impairment of fertility displayed by histological changes, modulated androgen production, or compromised spermatozoa (or germ cells) quality. The present article reviews the exogenous threats, male reproductive system, the mode of action, and overall impact on the reproductive health of humans and animals.
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Affiliation(s)
- Filip Tirpák
- AgroBioTech Research Centre, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia
| | - Hana Greifová
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
| | - Norbert Lukáč
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
| | - Robert Stawarz
- Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland;
| | - Peter Massányi
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
- Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland;
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Sun L, Fan J, Song G, Cai S, Fan C, Zhong Y, Li Y. Exposure to phthalates is associated with grip strength in US adults. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 209:111787. [PMID: 33333342 DOI: 10.1016/j.ecoenv.2020.111787] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/25/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
The potential association of exposure to phthalates with muscle strength was reported in previous animal experiments. However, their association was rarely directly investigated in general populations. Thus, we aimed to ascertain the association of exposure to phthalates with grip strength using cross-sectional analysis which included 2436 individuals aged ≥ 20 years from the National Health and Nutrition Examination Survey (NHANES) during 2011-2014. The multivariable linear regression models were performed with the adjustment of related covariates. The results suggested that a one-unit increase in log-transformed phthalate metabolites (μg/g creatinine) was inversely associated with grip strength, including Mono-(2-ethyl)-hexyl phthalate (β: -2.727 kg, 95% CI: -3.452, -2.002), Mono-(2-ethyl-5-hydroxyhexyl) phthalate (β: -3.721 kg, 95% CI: -4.836, -2.607), Mono-(2-ethyl-5-oxohexl) phthalate (β: -4.669 kg, 95% CI: -5.761, -3.577), Mono-2-ethyl-5-carboxypentyl phthalate (β: -4.756 kg, 95% CI: -5.957, -3.554), Mono-carboxyoctyl phthalate (β: -1.324 kg, 95% CI: -2.412, -0.235), Mono-carboxynonyl phthalate (β: -2.036 kg, 95% CI: -3.185, -0.886), Mono-benzyl phthalate (β: -2.940 kg, 95% CI: -3.853, -2.026), Mono-n-butyl phthalate (β: -2.100 kg, 95% CI: -3.474, -0.726), Mono-isobutyl phthalate (β: -2.982 kg, 95% CI: -4.331, -1.633), and Mono-ethyl phthalate (β: -1.709 kg, 95% CI: -2.368, -1.050). In subgroup analyses, the associations remained largely unchanged when the samples were stratified by gender and age; However they became ambiguous among underweight subjects when the samples were stratified by BMI status. Overall, exposure to phthalates was inversely associated with grip strength among US adults, regardless of their genders and ages. The suggestive potential BMI status-specific effects of phthalates on grip strength were observed.
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Affiliation(s)
- Lingling Sun
- Department of Orthopaedics, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jiayao Fan
- School of Public Health, Hangzhou Medical College, Hangzhou, China
| | - Guangzhong Song
- School of Laboratory Medicine, Hangzhou Medical College, Hangzhou, China
| | - Shaofang Cai
- Department of Science and Education, the Second Affiliated Hospital of Xiamen Medical College, Xiamen, China
| | - Chunhong Fan
- School of Public Health, Hangzhou Medical College, Hangzhou, China
| | - Yaohong Zhong
- School of Public Health, Hangzhou Medical College, Hangzhou, China
| | - Yingjun Li
- School of Public Health, Hangzhou Medical College, Hangzhou, China.
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26
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Nygaard UC, Ulriksen ES, Hjertholm H, Sonnet F, Bølling AK, Andreassen M, Husøy T, Dirven H. Immune cell profiles associated with measured exposure to phthalates in the Norwegian EuroMix biomonitoring study - A mass cytometry approach in toxicology. ENVIRONMENT INTERNATIONAL 2021; 146:106283. [PMID: 33395934 DOI: 10.1016/j.envint.2020.106283] [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: 07/27/2020] [Revised: 11/05/2020] [Accepted: 11/11/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Phthalate exposure has been associated with immune-related diseases such as asthma and allergies, but there is limited knowledge on mechanisms, effect biomarkers and thus biological support of causality. OBJECTIVES To investigate associations between exposure to the phthalates DEHP (di(2-ethylhexyl) phthalate) and DiNP (diisononyl phthalate) and functional immune cell profiles. METHODS Peripheral blood mononuclear cells (PBMCs) from 32 healthy adult Norwegian participants in the EuroMix biomonitoring study were selected based on high or low (n = 16) levels of urine metabolites of DEHP and DiNP. High-dimensional immune cell profiling including phenotyping and functional markers was performed by mass cytometry (CyTOF) using two broad antibody panels after PMA/ionomycin-stimulation. The CITRUS algorithm with unsupervised clustering was used to identify group differences in cell subsets and expression of functional markers, verified by manual gating. RESULTS The group of participants with high phthalate exposure had a higher proportion of some particular innate immune cells, including CD11c positive NK-cell and intermediate monocyte subpopulations. The percentage of IFNγ TNFα double positive NK cells and CD11b expression in other NK cell subsets were higher in the high exposure group. Among adaptive immune cells, however, the percentage of IL-6 and TNFα expressing naïve B cell subpopulations and the percentage of particular naïve cytotoxic T cell populations were lower in the high exposure group. DISCUSSION Cell subset percentages and expression of functional markers suggest that DEHP and DiNP phthalate exposure may stimulate subsets of innate immune cells and suppress adaptive immune cell subsets. By revealing significant immunological differences even in small groups, this study illustrates the promise of the broad and deep information obtained by high-dimensional single cell analyses of human samples to answer toxicological questions regarding health effects of environmental exposures.
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Affiliation(s)
- Unni C Nygaard
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway.
| | - Emilie S Ulriksen
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway
| | - Hege Hjertholm
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway
| | - Friederike Sonnet
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway; Department of Parasitology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, Netherlands
| | - Anette K Bølling
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway
| | - Monica Andreassen
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway
| | - Trine Husøy
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway
| | - Hubert Dirven
- Department of Environmental Health, Norwegian Institute of Public Health, Lovisenberggata 8 Oslo, Norway
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Schjenken JE, Green ES, Overduin TS, Mah CY, Russell DL, Robertson SA. Endocrine Disruptor Compounds-A Cause of Impaired Immune Tolerance Driving Inflammatory Disorders of Pregnancy? Front Endocrinol (Lausanne) 2021; 12:607539. [PMID: 33912131 PMCID: PMC8072457 DOI: 10.3389/fendo.2021.607539] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Endocrine disrupting compounds (EDCs) are prevalent and ubiquitous in our environment and have substantial potential to compromise human and animal health. Amongst the chronic health conditions associated with EDC exposure, dysregulation of reproductive function in both females and males is prominent. Human epidemiological studies demonstrate links between EDC exposure and infertility, as well as gestational disorders including miscarriage, fetal growth restriction, preeclampsia, and preterm birth. Animal experiments show EDCs administered during gestation, or to either parent prior to conception, can interfere with gamete quality, embryo implantation, and placental and fetal development, with consequences for offspring viability and health. It has been presumed that EDCs operate principally through disrupting hormone-regulated events in reproduction and fetal development, but EDC effects on maternal immune receptivity to pregnancy are also implicated. EDCs can modulate both the innate and adaptive arms of the immune system, to alter inflammatory responses, and interfere with generation of regulatory T (Treg) cells that are critical for pregnancy tolerance. Effects of EDCs on immune cells are complex and likely exerted by both steroid hormone-dependent and hormone-independent pathways. Thus, to better understand how EDCs impact reproduction and pregnancy, it is imperative to consider how immune-mediated mechanisms are affected by EDCs. This review will describe evidence that several EDCs modify elements of the immune response relevant to pregnancy, and will discuss the potential for EDCs to disrupt immune tolerance required for robust placentation and optimal fetal development.
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Affiliation(s)
- John E. Schjenken
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, The Hunter Medical Research Institute, New Lambton Heights and the University of Newcastle, Newcastle, NSW, Australia
| | - Ella S. Green
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Tenuis S. Overduin
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Chui Yan Mah
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Darryl L. Russell
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
| | - Sarah A. Robertson
- Adelaide Medical School and The Robinson Research Institute, University of Adelaide, Adelaide, SA, Australia
- *Correspondence: Sarah A. Robertson,
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Adgent MA, Carroll KN, Hazlehurst MF, Loftus CT, Szpiro AA, Karr CJ, Barrett ES, LeWinn KZ, Bush NR, Tylavsky FA, Kannan K, Sathyanarayana S. A combined cohort analysis of prenatal exposure to phthalate mixtures and childhood asthma. ENVIRONMENT INTERNATIONAL 2020; 143:105970. [PMID: 32763629 PMCID: PMC7708520 DOI: 10.1016/j.envint.2020.105970] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 06/19/2020] [Accepted: 07/08/2020] [Indexed: 05/22/2023]
Abstract
BACKGROUND Previous studies of prenatal phthalate exposure and childhood asthma are inconsistent. These studies typically model phthalates as individual, rather than co-occurring, exposures. We investigated whether prenatal phthalates are associated with childhood wheeze and asthma using a mixtures approach. METHODS We studied dyads from two prenatal cohorts in the ECHO-PATHWAYS consortium: CANDLE, recruited 2006-2011 and TIDES, recruited 2011-2013. Parents reported child respiratory outcomes at age 4-6 years: ever asthma, current wheeze (symptoms in past 12 months) and current asthma (two affirmative responses from ever asthma, recent asthma-specific medication use, and/or current wheeze). We quantified 11 phthalate metabolites in third trimester urine and estimated associations with child respiratory outcomes using weighted quantile sum (WQS) logistic regression, using separate models to estimate protective and adverse associations, adjusting for covariates. We examined effect modification by child sex and maternal asthma. RESULTS Of 1481 women, most identified as White (46.6%) or Black (44.6%); 17% reported an asthma history. Prevalence of ever asthma, current wheeze and current asthma in children was 12.3%, 15.8% and 12.3%, respectively. Overall, there was no adverse association with respiratory outcomes. In sex-stratified analyses, boys' phthalate index was adversely associated with all outcomes (e.g., boys' ever asthma: adjusted odds ratio per one quintile increase in WQS phthalate index (AOR): 1.42; 95% confidence interval (CI): 1.08, 1.85, with mono-ethyl phthalate (MEP) weighted highest). Adverse associations were also observed in dyads without maternal asthma history, driven by MEP and mono-butyl phthalate (MBP), but not in those with maternal asthma history. We observed protective associations between the phthalate index and respiratory outcomes in analysis of all participants (e.g., ever asthma: AOR; 95% CI: 0.81; 0.68, 0.96), with di(2-ethylhexyl)phthalate (DEHP) metabolites weighted highest. CONCLUSIONS Results suggest effect modification by child sex and maternal asthma in associations between prenatal phthalate mixtures and child asthma and wheeze.
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Affiliation(s)
- Margaret A Adgent
- Department of Pediatrics, Vanderbilt University Medical Center, 2146 Belcourt Avenue, Nashville TN 37212, USA; Department of Health Policy, Vanderbilt University Medical Center, 1500 21st Ave S, Suite 2600, Nashville TN 37212, USA.
| | - Kecia N Carroll
- Department of Pediatrics, Vanderbilt University Medical Center, 2146 Belcourt Avenue, Nashville TN 37212, USA
| | - Marnie F Hazlehurst
- Department of Epidemiology, Box 357236, University of Washington, Seattle, WA 98195-7236, USA
| | - Christine T Loftus
- Department of Occupational and Environmental Health Sciences, Box 357234, University of Washington, Seattle, WA 98195-7234, USA
| | - Adam A Szpiro
- Department of Biostatistics, Box 35732, University of Washington, Seattle, WA 98195-7232, USA
| | - Catherine J Karr
- Department of Occupational and Environmental Health Sciences, Box 357234, University of Washington, Seattle, WA 98195-7234, USA; Department of Pediatrics, Box 356320, University of Washington, Seattle, WA 98195-6320, USA
| | - Emily S Barrett
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, 683 Hoes Lane West, Piscataway, NJ 08854, USA
| | - Kaja Z LeWinn
- Department of Psychiatry and Weill Institute for Neurosciences, University of California, San Francisco, 401 Parnassus Ave., San Francisco, CA 94143, USA
| | - Nicole R Bush
- Department of Psychiatry and Weill Institute for Neurosciences, University of California, San Francisco, 401 Parnassus Ave., San Francisco, CA 94143, USA; Department of Pediatrics, University of California, San Francisco, 550 16th Street, Box 0110, San Francisco, CA 94143, USA
| | - Frances A Tylavsky
- Department of Preventive Medicine, University of Tennessee Health Sciences Center, 66 N. Pauline Street, Suite 633, Memphis, TN 38163, USA
| | - Kurunthachalam Kannan
- Wadsworth Center, New York State Department of Health, Empire State Plaza, P.O. Box 509, Albany, NY 12201-0509, USA
| | - Sheela Sathyanarayana
- Department of Occupational and Environmental Health Sciences, Box 357234, University of Washington, Seattle, WA 98195-7234, USA; Department of Pediatrics, Box 356320, University of Washington, Seattle, WA 98195-6320, USA; Seattle Children's Research Institute, 2001 8th Ave, Seattle, WA 98121, USA
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Zhang Y, Mi K, Xue W, Wei W, Yang H. Acute BPA exposure-induced oxidative stress, depressed immune genes expression and damage of hepatopancreas in red swamp crayfish Procambarus clarkii. FISH & SHELLFISH IMMUNOLOGY 2020; 103:95-102. [PMID: 32325215 DOI: 10.1016/j.fsi.2020.04.032] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 04/08/2020] [Accepted: 04/15/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A is a typical endocrine disrupting chemicals (EDCs) and produce various toxic effects on animals due to its potential endocrine disruption, oxidative damage effect, mutagenic effect and hypomethylation. To study its effect on the immune system of crustaceans, the Procambarus clarkii were utilized to detect the immune related indicators after 225 μg/L BPA exposure for 1 week. Hepatopancreatic histology and ultrastructure analysis showed that the brush border disappeared, the lumen increased, and the connection between the hepatic tubules fade away in BPA treated group. BPA could significantly increase the level of ROS, inhibit the activities of antioxidant-related enzymes (SOD, POD, and CAT), and thereby cause the oxidative stress. The enzyme activities of AKP, ACP and lysozyme in hepatopancreas after BPA exposure were also depressed even after Aeromonas hydrophila infections. The relative expression profiles of immune-related genes after BPA exposure and bacterial infection showed suppressed trends of most selected genes. Under A. hydrophila infections, the cumulative mortality of 225 μg/L BPA-treated crayfish was significantly higher than other groups. All these results indicated that BPA exposure had adverse effects on the immune ability of P. clarkii. The present study will provide an important foundation for further understanding the effects of EDCs on crustacean immune functions.
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Affiliation(s)
- Yingying Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Kaihang Mi
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Wen Xue
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Wenzhi Wei
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Hui Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
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Chen D, Grimsrud TK, Langseth H, Barr DB, Bassig BA, Blair A, Cantor KP, Gammon MD, Lan Q, Rothman N, Engel LS. Prediagnostic serum concentrations of organochlorine pesticides and non-Hodgkin lymphoma: A nested case-control study in the Norwegian Janus Serum Bank Cohort. ENVIRONMENTAL RESEARCH 2020; 187:109515. [PMID: 32445944 PMCID: PMC9278122 DOI: 10.1016/j.envres.2020.109515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/03/2020] [Accepted: 04/09/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Much of the marked increase in incidence of non-Hodgkin lymphoma (NHL) over the past few decades remains unexplained. Organochlorines, including organochlorine pesticides (OCPs), have been implicated as possible contributors to the increase, but the evidence is inconsistent. OBJECTIVES To investigate the relation between pre-diagnostic levels of OCPs and risk of NHL in a case-control study nested within the population-based Janus Serum Bank Cohort in Norway. METHODS Prediagnostic concentrations of 11 OCPs or OCP metabolites were measured in baseline blood samples collected between 1972 and 1978 from 190 cases and 190 controls matched on sex, county, age at blood draw, and date of blood draw. We conducted conditional logistic regression to estimate adjusted odds ratios (ORs) and 95% confidence intervals (95% CIs) for each quartile of lipid-corrected OCP/metabolite relative to the lowest quartile. RESULTS We observed non-significantly elevated ORs across quartiles of β-hexachlorocyclohexane compared to the lowest quartile (OR range: 1.40-1.82) although with no apparent monotonic exposure-response relationship. We also found an inverse association between risk of NHL and o,p'-DDT (OR for Q4 vs. Q1 = 0.44, 95% CI: 0.19, 1.01; p-trend = 0.05). In analyses stratified by age at blood collection and duration of follow-up, several other analytes, primarily chlordane-related compounds, showed inverse associations among younger participants or those with longer follow-up time between blood draw and NHL diagnosis. CONCLUSIONS We found only limited evidence of positive association between selected OCPs and development of NHL.
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Affiliation(s)
- Dazhe Chen
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina Chapel Hill, Chapel Hill, NC, USA
| | - Tom K Grimsrud
- Department of Research, Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway
| | - Hilde Langseth
- Department of Research, Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway
| | - Dana B Barr
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia
| | - Bryan A Bassig
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Department of Health and Human Services, Rockville, MD, USA
| | - Aaron Blair
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Department of Health and Human Services, Rockville, MD, USA
| | - Kenneth P Cantor
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Department of Health and Human Services, Rockville, MD, USA
| | - Marilie D Gammon
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina Chapel Hill, Chapel Hill, NC, USA
| | - Qing Lan
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Department of Health and Human Services, Rockville, MD, USA
| | - Nathaniel Rothman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Department of Health and Human Services, Rockville, MD, USA
| | - Lawrence S Engel
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina Chapel Hill, Chapel Hill, NC, USA.
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Simkins JW, Joseph AE, Bonier F, Benowitz-Fredericks ZM. Prenatal aromatase inhibition alters postnatal immunity in domestic chickens (Gallus gallus). Gen Comp Endocrinol 2020; 294:113497. [PMID: 32360542 DOI: 10.1016/j.ygcen.2020.113497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 04/19/2020] [Accepted: 04/27/2020] [Indexed: 10/24/2022]
Abstract
In birds, exposure to exogenous testosterone during embryonic development can suppress measures of immune function; however, it is unclear whether these effects are due to direct or indirect action via aromatization. Estradiol (E2) is synthesized from testosterone by the enzyme aromatase, and this conversion is a necessary step in many signaling pathways that are ostensibly testosterone-dependent. Many lines of evidence in mammals indicate that E2 can affect immune function. We tested the hypothesis that some of the immunomodulatory effects observed in response to in ovo testosterone exposure in birds are mediated by conversion to E2 by aromatase, by using fadrozole to inhibit aromatization of endogenous testosterone during a crucial period of embryonic immune system development in domestic chickens (Gallus gallus). We then measured total IgY antibody count, response to PHA challenge, mass of thymus and bursa of Fabricius, and plasma testosterone post-hatch on days 3 and 18. Because testosterone has a reputation for immunosuppression, we predicted that if modulation of an immune measure by testosterone is dependent on aromatization, then inhibition of estrogen production by fadrozole treatment would lead to elevated measures of that parameter. Conversely, if testosterone inhibits an immune measure directly, then fadrozole treatment would likely not alter that parameter. Fadrozole treatment reduced circulating E2 in female embryos, but had no effect on males or on testosterone in either sex. Fadrozole-treated chicks had decreased day 3 plasma IgY antibody titers and a strong trend towards increased day 18 thymic mass. Furthermore, fadrozole treatment generated a positive relationship between testosterone and thymic mass in males, and tended to increase day 18 IgY levels for a given bursal mass in females. There was no effect on PHA response, bursal mass, or plasma testosterone at either age post-hatch. The alteration of several indicators of immune function in fadrozole-treated chicks implicates aromatization as a relevant pathway through which developmental exposure to testosterone can affect immunity in birds.
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Affiliation(s)
- J W Simkins
- Bucknell University, Department of Biology, 1 Dent Drive, Lewisburg, PA, USA.
| | - A E Joseph
- Bucknell University, Department of Biology, 1 Dent Drive, Lewisburg, PA, USA.
| | - F Bonier
- Queen's University, Department of Biology, 116 Barrie Street, Kingston, ON K7L 3N6, Canada.
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Quirós-Alcalá L, Hansel NN, McCormack M, Calafat AM, Ye X, Peng RD, Matsui EC. Exposure to bisphenols and asthma morbidity among low-income urban children with asthma. J Allergy Clin Immunol 2020; 147:577-586.e7. [PMID: 32736870 DOI: 10.1016/j.jaci.2020.05.031] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 03/24/2020] [Accepted: 05/06/2020] [Indexed: 12/25/2022]
Abstract
BACKGROUND Bisphenol A (BPA) has been linked with pediatric asthma development and allergic airway inflammation in animal models. Whether exposure to BPA or its structural analogs bisphenol S (BPS) and bisphenol F (BPF) is associated with asthma morbidity remains unknown. OBJECTIVE We examined associations between bisphenols and morbidity due to pediatric asthma. METHODS We quantified concentrations of BPA, BPS, and BPF in 660 urine samples from 148 predominantly low-income, African American children (aged 5-17 years) with established asthma. We used biobanked biospecimens and data on symptoms, health care utilization, and pulmonary function and inflammation that were collected every 3 months over the course of a year. We used generalized estimating equations to examine associations between concentrations or detection of urinary bisphenols and morbidity outcomes and assessed heterogeneity of associations by sex. RESULTS We observed consistent positive associations between BPA exposure and measures of asthma morbidity. For example, we observed increased odds of general symptom days (adjusted odds ratio [aOR] = 1.40 [95% C = 1.02-1.92]), maximal symptom days (aOR = 1.36 [95% CI = 1.00-1.83]), and emergency department visits (aOR = 2.12 [95% CI =1.28-3.51]) per 10-fold increase in BPA concentration. We also observed evidence of sexually dimorphic effects; BPA concentrations were associated with increased odds of symptom days and health care utilization only among boys. Findings regarding BPS and BPF did not consistently point to associations with asthma symptoms or health care utilization. CONCLUSION We found evidence to suggest that BPA exposure in a predominantly low-income, minority pediatric cohort is associated with asthma morbidity and that associations may differ by sex. Our findings support additional studies, given the high pediatric asthma burden and widespread exposure to BPA in the United States.
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Affiliation(s)
- Lesliam Quirós-Alcalá
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Md; Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, Md.
| | - Nadia N Hansel
- School of Medicine, Johns Hopkins University, Baltimore, Md
| | | | - Antonia M Calafat
- National Center for Environmental Health, US Centers for Disease Control and Prevention, Atlanta, Ga
| | - Xiaoyun Ye
- National Center for Environmental Health, US Centers for Disease Control and Prevention, Atlanta, Ga
| | - Roger D Peng
- Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Md
| | - Elizabeth C Matsui
- School of Medicine, Johns Hopkins University, Baltimore, Md; Dell Medical School, University of Texas, Austin, Tex
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Jackson-Browne MS, Eliot M, Patti M, Spanier AJ, Braun JM. PFAS (per- and polyfluoroalkyl substances) and asthma in young children: NHANES 2013-2014. Int J Hyg Environ Health 2020; 229:113565. [PMID: 32485600 DOI: 10.1016/j.ijheh.2020.113565] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/11/2020] [Accepted: 05/15/2020] [Indexed: 02/06/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a class of persistent chemicals used as industrial surfactants, fire-fighting foams, and textile treatments. Early childhood exposure to perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), perfluorononanoic acid (PFNA), and perfluorohexane sulfonic acid (PFHxS) may affect the immune system to increase the risk of allergic and respiratory diseases. However, there are substantial gaps in our knowledge about the relationship between PFAS and immune-mediated outcomes such as asthma in children. Thus, we examined the cross-sectional associations of serum PFOA, PFOS, PFNA, and PFHxS concentrations with childhood asthma. We used data from children aged 3-11 years who participated in the National Health and Nutrition Examination Survey (2013-2014). Serum PFAS concentrations were measured in serum using analytical chemistry methods. Asthma was assessed by parent-reported, doctor-diagnosed, asthma using a standardized questionnaire. Controlling for covariates, we estimated odds ratios for asthma per standard deviation increase in ln-transformed serum PFAS concentrations (n = 607). We also examined effect measure modification by child age, sex, and race/ethnicity. PFOA (1.1; 95% CI: 0.8, 1.4), PFOS (1.2; 95% CI: 0.8, 1.7), PFNA (1.1; 95% CI: 0.8, 1.6), and PFHxS (1.1; 95% CI: 0.9, 1.6) were weakly associated with an increased odds of asthma. Age modified associations between serum PFOS, but not other serum PFAS concentrations, and odds of asthma (age x PFOS interaction term p-value = 0.03). Sex and race/ethnicity did not modify these associations. We observed some evidence that serum PFAS concentrations are weakly associated with increased asthma prevalence in US children.
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Affiliation(s)
| | - Melissa Eliot
- Department of Epidemiology, Brown University, Providence, RI, United States
| | - Marisa Patti
- Department of Epidemiology, Brown University, Providence, RI, United States
| | - Adam J Spanier
- Department of Pediatrics, Division of General Pediatrics, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Joseph M Braun
- Department of Epidemiology, Brown University, Providence, RI, United States
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Predieri B, Bruzzi P, Bigi E, Ciancia S, Madeo SF, Lucaccioni L, Iughetti L. Endocrine Disrupting Chemicals and Type 1 Diabetes. Int J Mol Sci 2020; 21:ijms21082937. [PMID: 32331412 PMCID: PMC7215452 DOI: 10.3390/ijms21082937] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 12/12/2022] Open
Abstract
Type 1 diabetes (T1D) is the most common chronic metabolic disease in children and adolescents. The etiology of T1D is not fully understood but it seems multifactorial. The genetic background determines the predisposition to develop T1D, while the autoimmune process against β-cells seems to be also determined by environmental triggers, such as endocrine disrupting chemicals (EDCs). Environmental EDCs may act throughout different temporal windows as single chemical agent or as chemical mixtures. They could affect the development and the function of the immune system or of the β-cells function, promoting autoimmunity and increasing the susceptibility to autoimmune attack. Human studies evaluating the potential role of exposure to EDCs on the pathogenesis of T1D are few and demonstrated contradictory results. The aim of this narrative review is to summarize experimental and epidemiological studies on the potential role of exposure to EDCs in the development of T1D. We highlight what we know by animals about EDCs’ effects on mechanisms leading to T1D development and progression. Studies evaluating the EDC levels in patients with T1D were also reported. Moreover, we discussed why further studies are needed and how they should be designed to better understand the causal mechanisms and the next prevention interventions.
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Affiliation(s)
- Barbara Predieri
- Pediatric Unit, Department of Medical and Surgical Sciences of the Mother, Children and Adults-University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy; (E.B.); (L.I.)
- Post Graduate School of Pediatrics, Department of Medical and Surgical Sciences of the Mothers, Children and Adults—University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy;
- Correspondence: ; Tel.: +39-059-422-5217
| | - Patrizia Bruzzi
- Pediatric Unit, Department of Pediatrics—AOU Policlinic of Modena, Largo del Pozzo, 71-41124 Modena, Italy; (P.B.); (S.F.M.)
| | - Elena Bigi
- Pediatric Unit, Department of Medical and Surgical Sciences of the Mother, Children and Adults-University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy; (E.B.); (L.I.)
| | - Silvia Ciancia
- Post Graduate School of Pediatrics, Department of Medical and Surgical Sciences of the Mothers, Children and Adults—University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy;
| | - Simona F. Madeo
- Pediatric Unit, Department of Pediatrics—AOU Policlinic of Modena, Largo del Pozzo, 71-41124 Modena, Italy; (P.B.); (S.F.M.)
| | - Laura Lucaccioni
- Neonatal Intensive Care Unit, Department of Medical and Surgical Sciences of the Mother, Children and Adults-University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy;
| | - Lorenzo Iughetti
- Pediatric Unit, Department of Medical and Surgical Sciences of the Mother, Children and Adults-University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy; (E.B.); (L.I.)
- Post Graduate School of Pediatrics, Department of Medical and Surgical Sciences of the Mothers, Children and Adults—University of Modena and Reggio Emilia, Largo del Pozzo, 71-41124 Modena, Italy;
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Yaglova NV, Tsomartova ES, Obernikhin SS, Ivanova MY, Chereshneva EV, Muhamedova SG, Lomanovskaya TA, Yaglov VV. Developmental exposure to low doses of dichlorodiphenyltrichloroethane impairs proliferative response of thymic lymphocytes to Concanavalin A in rats. Heliyon 2020; 6:e03608. [PMID: 32195406 PMCID: PMC7078513 DOI: 10.1016/j.heliyon.2020.e03608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/17/2020] [Accepted: 03/12/2020] [Indexed: 12/24/2022] Open
Abstract
The aim of the research was to study formation of thymic lymphocytes proliferative response to T cell mitogen Concanavalin A in 7, 42, and 70 days-old male Wistar rats developmentally exposed to low doses of endocrine disruptor dichlorodiphenyltrichloroethane (2.90 ± 0.13 μg/kg body weight). The thymus of the exposed rats did not show morphological abnormalities. Exposure to the endocrine disrupter was found to alter age-dependent changes of thymic lymphocyte proliferative activity and attenuate proliferative response to Concanavalin A in puberty and adulthood. Insufficient response to mitogen was mediated by higher content of actively proliferating Ki-67-positive lymphoblasts compared to the control values. Insufficient proliferative response to mitogen in developmentally exposed to the endocrine disruptor rats may provide higher risk of impaired cellular immune reactions.
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Affiliation(s)
- Nataliya V. Yaglova
- Laboratory of Endocrine System Development, Federal State Budgetary Institution Research Institute of Human Morphology, Moscow, Russia
| | - Elina S. Tsomartova
- Department of Histology, Cytology, and Embryology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Sergey S. Obernikhin
- Laboratory of Endocrine System Development, Federal State Budgetary Institution Research Institute of Human Morphology, Moscow, Russia
| | - Marina Y. Ivanova
- Department of Histology, Cytology, and Embryology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Elizaveta V. Chereshneva
- Department of Histology, Cytology, and Embryology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Svetlana G. Muhamedova
- Department of Histology, Cytology, and Embryology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Tatiana A. Lomanovskaya
- Department of Histology, Cytology, and Embryology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Valentin V. Yaglov
- Laboratory of Endocrine System Development, Federal State Budgetary Institution Research Institute of Human Morphology, Moscow, Russia
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Jackson-Browne MS, Henderson N, Patti M, Spanier A, Braun JM. The Impact of Early-Life Exposure to Antimicrobials on Asthma and Eczema Risk in Children. Curr Environ Health Rep 2019; 6:214-224. [PMID: 31745828 PMCID: PMC6923583 DOI: 10.1007/s40572-019-00256-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
PURPOSE OF REVIEW We examined recent research on associations of prenatal and early-childhood exposure to the antimicrobial compounds, triclosan, and parabens, with the risk of asthma and eczema in children. We will discuss potential biological mechanisms of this association and highlight strengths and limitations of the study design and exposure assessment of current findings. RECENT FINDINGS Results of available toxicological and epidemiologic studies indicate a potential link of triclosan and paraben exposures with asthma and eczema in children, as well as changes in microbiome diversity and immune dysfunction, which could possibly mediate an association with the health outcomes. A small number of studies suggest that triclosan and paraben exposures could be related to the risk of asthma and eczema in children. Although current findings are far from conclusive, there is emerging evidence that changes in microbiome diversity and immune function from antimicrobial exposure may mediate these relations.
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Affiliation(s)
- Medina S Jackson-Browne
- Epidemiology Program, College of Health Sciences, University of Delaware, 100 Discovery Blvd, 7th floor, Newark, DE, USA.
| | - Noelle Henderson
- Department of Epidemiology, Brown University, Providence, RI, USA
| | - Marisa Patti
- Department of Epidemiology, Brown University, Providence, RI, USA
| | - Adam Spanier
- Department of Pediatrics, Division of General Pediatrics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Joseph M Braun
- Department of Epidemiology, Brown University, Providence, RI, USA
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Hernández Avila R, Palacios-Arreola MI, Nava-Castro KE, Morales-Montor J, Ostoa-Saloma P. Neonatal Bisphenol A Exposure Affects the IgM Humoral Immune Response to 4T1 Breast Carcinoma Cells in Mice. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E1784. [PMID: 31137569 PMCID: PMC6571564 DOI: 10.3390/ijerph16101784] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/11/2019] [Accepted: 04/12/2019] [Indexed: 01/01/2023]
Abstract
Bisphenol A (BPA) is an endocrine disruptor of estrogenic nature. During the early stages of development, any exposure to BPA can have long-term effects. In this work, we study the potential alterations to the humoral antitumor immune (IgM) response in adult life after a single neonatal exposure to BPA. Female syngeneic BALB/c mice were exposed to a single dose of BPA of 250 μg/kg. Once sexual maturity was reached, a breast tumor was induced. After 25 days, the serum was obtained, and the populations of B cells in the spleen and lymph nodes were analyzed by flow cytometry. The reactivity of IgM was evaluated by 2D immunoblots. No significant changes were found in the B cell populations in the peripheral lymph nodes and the spleen. The level of ERα expression was not significantly different. However, the IgM reactivity was affected. In individuals treated with BPA, a decrease in the number of IgMs that recognize tumor antigens was observed. The possibility that these antibodies are the high affinity products of the adaptive response is discussed. The recognition of IgG was also evaluated but a null recognition was found in the controls as in the individuals treated with the 4T1 cells.
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Affiliation(s)
- Ricardo Hernández Avila
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de Mexico, AP 70228, Ciudad de Mexico CP 04510, Mexico.
| | - Margarita I Palacios-Arreola
- Laboratorio de Genotoxicología y Mutagénesis Ambientales, Departamento de Ciencias Ambientales, Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de Mexico, Ciudad de Mexico CP 04510, Mexico.
| | - Karen E Nava-Castro
- Laboratorio de Genotoxicología y Mutagénesis Ambientales, Departamento de Ciencias Ambientales, Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de Mexico, Ciudad de Mexico CP 04510, Mexico.
| | - Jorge Morales-Montor
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de Mexico, AP 70228, Ciudad de Mexico CP 04510, Mexico.
| | - Pedro Ostoa-Saloma
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de Mexico, AP 70228, Ciudad de Mexico CP 04510, Mexico.
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Grytting VS, Olderbø BP, Holme JA, Samuelsen JT, Solhaug A, Becher R, Bølling AK. Di-n-butyl phthalate modifies PMA-induced macrophage differentiation of THP-1 monocytes via PPARγ. Toxicol In Vitro 2019; 54:168-177. [DOI: 10.1016/j.tiv.2018.09.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 08/14/2018] [Accepted: 09/10/2018] [Indexed: 12/16/2022]
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Dibutyl phthalate modulates phenotype of granulocytes in human blood in response to inflammatory stimuli. Toxicol Lett 2018; 296:23-30. [DOI: 10.1016/j.toxlet.2018.07.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 06/29/2018] [Accepted: 07/24/2018] [Indexed: 12/21/2022]
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Pilkerton CS, Hobbs GR, Lilly C, Knox SS. Rubella immunity and serum perfluoroalkyl substances: Sex and analytic strategy. PLoS One 2018; 13:e0203330. [PMID: 30248109 PMCID: PMC6152869 DOI: 10.1371/journal.pone.0203330] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 08/17/2018] [Indexed: 01/09/2023] Open
Abstract
Background Perfluoroalkyl substances (PFASs) have been associated with decreased immunity to childhood tetanus and diphtheria immunizations. If these vaccinations are vulnerable to influence from PFASs, questions arise about associations with other common inoculations. Objective To examine whether serum PFASs were associated with reduced immunity to rubella immunization, and whether interactions with sex or ethnicity warranted analytic stratification. Usually, toxicology analyses are calculated controlling for race and sex. However, sex differences in immune function have been reported and a reduction of immunity to rubella in women could pose risks such miscarriage. Methods We analyzed a nationally representative sample of individuals ≥ 12 years from the National Health and Nutrition Examination Survey (NHANES) for years 1999–2000 and 2003–2004 for whom PFAS measures were available. Our analytic strategy was to start with separate analyses for youth and adults controlling for several covariates including ethnicity and sex, as well as the interaction of these terms with PFASs. If there was a main effect of PFASs and an interaction term, we would stratify analyses of effect size. The outcome variable was Rubella IgG titers by quartile of perfluoroalkyl substances. Results After exclusion for missing data, the analyzed sample contained 581 adult women, 621 adult men, and 1012 youth. There was no significant effect of PFASs on immunity in youths but a significant effect of both PFOA and PFOS in adults, as well as a significant interaction of PFOA x sex and a borderline significant interaction of PFOS x sex. When effect size analyses were stratified by sex, a significant association between rubella titres and PFOA was found in men but not women and PFOS was not significant in either sex. Conclusions These results support our earlier studies showing sex specific responses to PFASs and indicate the importance of thinking carefully about analytic strategies in population based toxicology research.
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Affiliation(s)
- Courtney S. Pilkerton
- WVU School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
| | - Gerald R. Hobbs
- Deptarment of Statistics, West Virginia University, Morgantown, West Virginia, United States of America
| | - Christa Lilly
- Department of Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia, United States of America
| | - Sarah S. Knox
- Department of Epidemiology, School of Public Health, West Virginia University, Morgantown, West Virginia, United States of America
- * E-mail:
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Quirós-Alcalá L, Hansel NN, McCormack MC, Matsui EC. Paraben exposures and asthma-related outcomes among children from the US general population. J Allergy Clin Immunol 2018; 143:948-956.e4. [PMID: 30194988 DOI: 10.1016/j.jaci.2018.08.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 07/06/2018] [Accepted: 08/21/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND Parabens are synthetic preservatives present in many consumer products. Their antimicrobial and endocrine-disrupting properties have raised concerns that they might play a role in respiratory and allergic diseases; however, studies exploring these associations are scarce. OBJECTIVE We examined the cross-sectional association between parabens and asthma morbidity among 450 children with asthma and with asthma prevalence among 4023 children in the US general population participating in the National Health and Nutrition Examination Survey (2005-2014). METHODS We conducted multivariable logistic regression to examine associations between urinary paraben biomarker concentrations (butyl paraben, ethyl paraben, methyl paraben [MP], and propyl paraben [PP]) and asthma attacks and emergency department visits among children with asthma and with a current asthma diagnosis among all children. We also examined heterogeneity of associations by sex. RESULTS We observed an increased prevalence odds of reporting emergency department visits for every 10-fold increase in MP and PP concentrations among boys with asthma (adjusted prevalence odds ratio, 2.61 [95% CI, 1.40-4.85] and 2.18 [95% CI, 1.22-3.89, respectively; Pinteraction-MP = .002 and Pinteraction-PP = .003); associations remained after adjusting for other phenolic compounds previously linked to respiratory outcomes. No other dimorphic effects of exposure by sex were observed. Among children in the general population, no overall associations with current asthma were observed, although there was a positive trend with PP and a current asthma diagnosis. CONCLUSION We identified differential effects of exposure to select parabens by sex on asthma morbidity. Further studies are needed to replicate these findings and elucidate mechanisms by which parabens could affect respiratory health and elicit dimorphic effects by sex.
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Affiliation(s)
- Lesliam Quirós-Alcalá
- Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, Md.
| | - Nadia N Hansel
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, Md; Johns Hopkins University Bloomberg School of Public Health, Baltimore, Md
| | - Meredith C McCormack
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, Md; Johns Hopkins University Bloomberg School of Public Health, Baltimore, Md
| | - Elizabeth C Matsui
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, Md; Johns Hopkins University Bloomberg School of Public Health, Baltimore, Md
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Engelhardt S, Sadek A, Duirk S. Rejection of trace organic water contaminants by an Aquaporin-based biomimetic hollow fiber membrane. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2017.12.061] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bansal A, Henao-Mejia J, Simmons RA. Immune System: An Emerging Player in Mediating Effects of Endocrine Disruptors on Metabolic Health. Endocrinology 2018; 159:32-45. [PMID: 29145569 PMCID: PMC5761609 DOI: 10.1210/en.2017-00882] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/08/2017] [Indexed: 12/24/2022]
Abstract
The incidence of metabolic disorders like type 2 diabetes and obesity continues to increase. In addition to the well-known contributors to these disorders, such as food intake and sedentary lifestyle, recent research in the exposure science discipline provides evidence that exposure to endocrine-disrupting chemicals like bisphenol A and phthalates via multiple routes (e.g., food, drink, skin contact) also contribute to the increased risk of metabolic disorders. Endocrine-disrupting chemicals (EDCs) can disrupt any aspect of hormone action. It is becoming increasingly clear that EDCs not only affect endocrine function but also adversely affect immune system function. In this review, we focus on human, animal, and in vitro studies that demonstrate EDC exposure induces dysfunction of the immune system, which, in turn, has detrimental effects on metabolic health. These findings highlight how the immune system is emerging as a novel player by which EDCs may mediate their effects on metabolic health. We also discuss studies highlighting mechanisms by which EDCs affect the immune system. Finally, we consider that a better understanding of the immunomodulatory roles of EDCs will provide clues to enhance metabolic function and contribute toward the long-term goal of reducing the burden of environmentally induced diabetes and obesity.
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Affiliation(s)
- Amita Bansal
- Center for Research on Reproduction and Women’s
Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia,
Pennsylvania 19104
- Center of Excellence in Environmental Toxicology,
Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
19104
- Division of Neonatology, Department of Pediatrics, The
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Jorge Henao-Mejia
- Division of Neonatology, Department of Pediatrics, The
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
- The Institute for Immunology, Department of Pathology and
Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania,
Philadelphia, Pennsylvania 19104
| | - Rebecca A. Simmons
- Center for Research on Reproduction and Women’s
Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia,
Pennsylvania 19104
- Center of Excellence in Environmental Toxicology,
Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
19104
- Division of Neonatology, Department of Pediatrics, The
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
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Raza N, Kim KH, Abdullah M, Raza W, Brown RJ. Recent developments in analytical quantitation approaches for parabens in human-associated samples. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2017.11.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Song S, Lee SJ, Park DJ, Oh S, Lim KT. The anti-allergic activity of Lactobacillus plantarum L67 and its application to yogurt. J Dairy Sci 2016; 99:9372-9382. [DOI: 10.3168/jds.2016-11809] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 09/02/2016] [Indexed: 01/04/2023]
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Teixeira D, Marques C, Pestana D, Faria A, Norberto S, Calhau C, Monteiro R. Effects of xenoestrogens in human M1 and M2 macrophage migration, cytokine release, and estrogen-related signaling pathways. ENVIRONMENTAL TOXICOLOGY 2016; 31:1496-1509. [PMID: 26011183 DOI: 10.1002/tox.22154] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Revised: 04/27/2015] [Accepted: 05/11/2015] [Indexed: 06/04/2023]
Abstract
Bisphenol A (BPA), bis(2-ethylhexyl)phthalate (DEHP) and di(n-butyl)phthalate (DBP) are environmental estrogens that have been associated with a wide range of adverse health outcomes for which inflammation has also been hypothesized as a potentially involved mechanism and where macrophages play a central role. This study was carried out to evaluate if xenoestrogen (XE) treatment of classically (M1) or alternatively (M2) activated macrophages could affect their behavior. For this purpose, human peripheral blood monocyte-derived macrophages either unstimulated or activated with lipopolysaccharide (100 ng/mL, M1) or with interleukin (IL) 4 (15 ng/mL, M2) were treated with 17β-estradiol (E2 ), BPA, DEHP and DBP alone or in combination with selective ERα or ERβ antagonists. Migratory capability, cytokine release, and estrogen-associated signaling pathways were evaluated to assess macrophage function. All tested XEs had a tendency to stimulate M2 migration, an effect that followed the same direction than E2 . Moreover, all XEs significantly induced IL10 in M1 and decreased IL6 and globally decreased IL10, IL6, TNFα, and IL1β release by M2 macrophages. However, DEHP and DBP significantly increased IL1β release in M1 and M2 macrophages, respectively. Some of the effects described above were shown to be mediated by either ERα or ERβ and were simultaneous to modulation of NF-κB, AP1, JNK, or ERK signaling pathways. We provide new evidence of the effect of XE on macrophage behavior and their mechanisms with relevance to the understanding of the action of environmental chemicals on the immune system and inflammation-associated diseases. © 2015 Wiley Periodicals, Inc. Environ Toxicol 31: 1496-1509, 2016.
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Affiliation(s)
- Diana Teixeira
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal.
| | - Cláudia Marques
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal
- CINTESIS-Center for Research in Health Technologies and Information Systems, Porto, 4200-450, Portugal
| | - Diogo Pestana
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal
- CINTESIS-Center for Research in Health Technologies and Information Systems, Porto, 4200-450, Portugal
| | - Ana Faria
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal
- Faculty of Nutrition and Food Sciences, University of Porto, Porto, 4200-465, Portugal
- REQUIMTE, Laboratório Associado Em Química Verde, Faculty of Sciences, University of Porto, Porto, 4179-007, Portugal
| | - Sónia Norberto
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal
| | - Conceição Calhau
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal
- CINTESIS-Center for Research in Health Technologies and Information Systems, Porto, 4200-450, Portugal
| | - Rosário Monteiro
- Faculty of Medicine, Department of Biochemistry, University of Porto, Centro De Investigação Médica, Porto, 4200-319, Portugal
- Instituto De Investigação E Inovação Em Saúde, Universidade Do Porto, Porto, Portugal
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SHP-2 phosphatase controls aryl hydrocarbon receptor-mediated ER stress response in mast cells. Arch Toxicol 2016; 91:1739-1748. [PMID: 27709270 DOI: 10.1007/s00204-016-1861-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 09/28/2016] [Indexed: 12/17/2022]
Abstract
Previously we reported that exposure of mouse and human mast cells to aryl hydrocarbon receptor (AhR) ligands resulted in reactive oxygen species (ROS)- and calcium (Ca2+)-dependent activation of mast cells in vitro and in vivo. However, the mechanisms through which the AhR-ligand axis mediates stress response, Ca2+ signaling and subsequent mast cell activation remain to be fully elucidated. Evidence is provided herein that SHP-2 is critical in regulating AhR-mediated ER stress response and intracellular Ca2+ dynamics. We found that an AhR ligand, FICZ, induced significant reduction of intracellular GSH and an increased level of intracellular ROS. Significantly, we showed that in FICZ-treated mast cells, SHP-2 promoted, in a ROS-dependent manner, ER stress response involving primarily the PERK signaling pathway, ATF4 activation and eIF2α phosphorylation, which could be reversed by the addition of an antioxidant, NAC, and was inhibited in cells with SHP-2 knockdown. Our findings suggested that SHP-2 is critical in controlling ER stress signals in response to AhR activation, which provides a new mechanistic insight into how the AhR-ligand axis regulates cellular adaptation to the environmental insult in mast cells.
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Mwanga HH, Dalvie MA, Singh TS, Channa K, Jeebhay MF. Relationship between Pesticide Metabolites, Cytokine Patterns, and Asthma-Related Outcomes in Rural Women Workers. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:ijerph13100957. [PMID: 27690066 PMCID: PMC5086696 DOI: 10.3390/ijerph13100957] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 09/05/2016] [Accepted: 09/20/2016] [Indexed: 11/16/2022]
Abstract
The objective of this study was to investigate the relationship between exposure to organophosphate (OP) and pyrethroid (PYR) pesticides with serum cytokine patterns and asthma-related outcomes among rural women workers. A cross-sectional study was conducted among rural women (n = 211), including those working and living on farms and nearby town dwellers. Pesticide exposure was assessed using urinary metabolite concentrations of OP and PYR pesticides. Health outcome assessment was ascertained through the European Community Respiratory Health Survey (ECRHS) questionnaire, fractional exhaled nitric oxide (FeNO), and serum cytokines associated with asthma. The prevalence of doctor-diagnosed asthma was 11%, adult-onset asthma 9%, and current asthma 6%. In this population, the proportion of T helper type 2 (Th2) cytokines (interleukin (IL)-4, IL-5, and IL-13) detectable in subjects was between 18% and 40%, while the proportion of non-Th2 cytokines (IL-6, IL-8, IL-10, IL-17, and interferon gamma) was between 35% and 71%. Most Th2 and non-Th2 cytokines were positively associated with either OP or PYR metabolites. Non-Th2 cytokines showed much stronger associations with OP metabolites (Dimethyl phosphate OR = 4.23; 95% CI: 1.54-11.65) than Th2 cytokines (Dimethyl phosphate OR = 1.69; 95% CI: 0.83-3.46). This study suggests that exposure to most OP and some PYR pesticides may be associated with asthma-related cytokines, with non-Th2 cytokines demonstrating consistently stronger relationships.
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Affiliation(s)
- Hussein H Mwanga
- Division of Occupational Medicine and Centre for Environmental and Occupational Health Research, School of Public Health and Family Medicine, University of Cape Town, Room 4.47, Fourth Level, Falmouth Building, Anzio Road, Observatory, Cape Town 7925, South Africa.
- Department of Environmental and Occupational Health, School of Public Health and Social Sciences, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.
| | - Mohamed Aqiel Dalvie
- Division of Occupational Medicine and Centre for Environmental and Occupational Health Research, School of Public Health and Family Medicine, University of Cape Town, Room 4.47, Fourth Level, Falmouth Building, Anzio Road, Observatory, Cape Town 7925, South Africa.
| | - Tanusha S Singh
- National Institute for Occupational Health, National Health Laboratory Services, Johannesburg 2000, South Africa.
- Department of Clinical Microbiology & Infectious Diseases, School of Pathology, University of Witwatersrand, Johannesburg 2000, South Africa.
| | - Kalavati Channa
- National Institute for Occupational Health, National Health Laboratory Services, Johannesburg 2000, South Africa.
| | - Mohamed F Jeebhay
- Division of Occupational Medicine and Centre for Environmental and Occupational Health Research, School of Public Health and Family Medicine, University of Cape Town, Room 4.47, Fourth Level, Falmouth Building, Anzio Road, Observatory, Cape Town 7925, South Africa.
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Abstract
Endocrine-disrupting chemicals (EDCs) are exogenous compounds that have the ability to disrupt the production and actions of hormones through direct or indirect interaction with hormone receptors, thus acting as agonists or antagonists. Human health is affected after either individual occupation or dietary and environmental exposure to EDCs. On the other hand, skin is one of the largest organs of the body and its main function is protection from noxious substances. EDCs perturb the endocrine system, and they are also carcinogenic, immunotoxic, and hepatotoxic to human skin. In addition, their effects on keratinocytes, melanocytes, sebocytes, inflammatory and immunological cells, and skin stem cells produce inflammatory and allergic skin diseases, chloracne, disorders of skin pigmentation, skin cancer, and skin aging. Mechanisms, which EDCs use to induce these skin disorders are complicated, and involve the interference of endogenous hormones and most importantly the activation of the aryl hydrocarbon receptor signal pathway. Further studies on EDCs and skin diseases are necessary to elucidate these mechanisms.
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Affiliation(s)
- Qiang Ju
- Department of Dermatology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Christos C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Auenweg 38, 06847, Dessau, Germany.
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Mokarizadeh A, Faryabi MR, Rezvanfar MA, Abdollahi M. A comprehensive review of pesticides and the immune dysregulation: mechanisms, evidence and consequences. Toxicol Mech Methods 2016; 25:258-78. [PMID: 25757504 DOI: 10.3109/15376516.2015.1020182] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Nowadays, in many communities, there is a growing concern about possible adverse effects of pesticides on human health. Reports indicate that during environmental or occupational exposure, pesticides can exert some intense adverse effects on human health through transient or permanent alteration of the immune system. There is evidence on the relation between pesticide-induced immune alteration and prevalence of diseases associated with alterations of the immune response. In the present study, direct immunotoxicity, endocrine disruption and antigenicity have been introduced as the main mechanisms working with pesticides-induced immune dysregulation. Moreover, the evidence on the relationship between pesticide exposure, dysregulation of the immune system and predisposition to different types of psychiatric disorders, cancers, allergies, autoimmune and infectious diseases are criticized.
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Affiliation(s)
- Aram Mokarizadeh
- a Department of Immunology, Faculty of Medicine , Cellular and Molecular Research Center, Kurdistan University of Medical Sciences , Sanandaj , Iran and
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