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Tachachartvanich P, Sangsuwan R, Navasumrit P, Ruchirawat M. Assessment of immunomodulatory effects of five commonly used parabens on human THP-1 derived macrophages: Implications for ecological and human health impacts. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 944:173823. [PMID: 38851341 DOI: 10.1016/j.scitotenv.2024.173823] [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: 04/19/2024] [Revised: 06/05/2024] [Accepted: 06/05/2024] [Indexed: 06/10/2024]
Abstract
Parabens are widely used as broad-spectrum anti-microbials and preservatives in food, cosmetics, pharmaceuticals, and personal care products. Studies suggest that the utilization of parabens has substantially increased over the past years, particularly during the global pandemic of coronavirus disease 2019 (COVID-19). Although parabens are generally recognized as safe by the U.S. FDA, some concerns have been raised regarding the potential health effects of parabens associated with immunotoxicity. Herein, we comprehensively investigated several key characteristics of immunotoxicants of five commonly used parabens (methyl-, ethyl-, propyl-, butyl-, and benzyl parabens) in human THP-1 derived macrophages, which are effector cells serving as a first line of host defense against pathogens and tumor immunosurveillance. The results indicate parabens, at concentrations found in humans and biota, significantly dampened macrophage chemotaxis and secretion of major pro-inflammatory cytokines (TNF-α and IL-6) and anti-inflammatory cytokine (IL-10), corroborating the mRNA expression profile. Furthermore, some parabens were found to markedly alter macrophage adhesion and cell surface expression of costimulatory molecules, CD80+ and CD86+, and significantly increase macrophage phagocytosis. Collectively, these findings heighten awareness of potential immunotoxicity posed by paraben exposure at biologically relevant concentrations, providing implications for human health and ecological risks associated with immune dysfunctions.
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Affiliation(s)
- Phum Tachachartvanich
- Laboratory of Environmental Toxicology, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Rapeepat Sangsuwan
- Laboratory of Natural Products, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Panida Navasumrit
- Laboratory of Environmental Toxicology, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Mathuros Ruchirawat
- Laboratory of Environmental Toxicology, Chulabhorn Research Institute, Bangkok 10210, Thailand.
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2
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Soop GL, Husøy T, Wojewodzic MW, Hjertholm H, Spyropoulou A, Katsanou ES, Batakis P, Kyriakopoulou K, Machera K, Dirven H, Lindeman B, Duale N. Transcriptional analysis in peripheral blood cells of individuals with elevated phthalate exposure - Results of the EuroMix study. ENVIRONMENTAL RESEARCH 2023; 222:115377. [PMID: 36709869 DOI: 10.1016/j.envres.2023.115377] [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: 11/28/2022] [Revised: 01/11/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Exposure to phthalates is widespread in Europe. Phthalates are considered endocrine disrupting compounds and are classified as toxic for reproduction. However how phthalates affect the transcriptome in humans remains largely unknown. To investigate the effects of phthalate exposure on the transcriptomic profile we conducted RNA sequencing on peripheral blood samples from the Norwegian EuroMix cohort. We compared gene expression changes between participants with high, medium, and low exposure of six phthalates and 1,2-cyclohexane dicarboxylic acid diisononyl ester (DINCH). Comparing high and low exposure groups, DINCH was the compound that showed the highest number of differentially expressed genes (126 genes) followed by mono-n-butyl phthalate (MnBP; 89 genes) and mono-iso-nonyl phthalate (MiBP; 70 genes). Distributions between up- or down-regulated genes were similar across the different phthalates and DINCH. All phthalates including DINCH shared common differentially expressed genes ranging from 3 to 37 overlaps. Enriched Gene Ontology (GO) and biological pathway analysis revealed that most of the differentially expressed genes were associated with general cellular metabolism GO terms. MnBP and DINCH, particularly, showed a marked enrichment in various immunological function pathways including neutrophil degranulation, adaptive immune system and signaling by interleukins. Furthermore, the association between genes involved in the peroxisome proliferator activated receptor (PPAR) signaling pathway and phthalates, including DINCH, was evaluated. In total, 15 genes showed positive or negative associations across 5 phthalates and DINCH. MnBP and MiBP were the phthalate metabolites with the highest number of associations: 8 and 4 PPAR signaling pathway genes, respectively. Overall, we have performed an association study between phthalate exposure levels and modulation of transcriptomic profiles in human peripheral blood cells. DINCH, which is often mentioned as a substitute for phthalates, had comparable effects on differential gene expression in peripheral blood cells as phthalates.
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Affiliation(s)
- Graciela López Soop
- Department of Climate and Environment, Division of Chemical Toxicology, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway
| | - Trine Husøy
- Department of Climate and Environment, Division of Food Safety, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway
| | - Marcin Wlodzimierz Wojewodzic
- Department of Climate and Environment, Division of Chemical Toxicology, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway
| | - Hege Hjertholm
- Department of Climate and Environment, Division of Chemical Toxicology, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway
| | - Anastasia Spyropoulou
- Benaki Phytopathological Institute, Laboratory of Toxicological Control of Pesticides, 8th Stefanou Delta Str., Kifissia, Attica, Greece
| | - Effrosyni S Katsanou
- Benaki Phytopathological Institute, Laboratory of Toxicological Control of Pesticides, 8th Stefanou Delta Str., Kifissia, Attica, Greece; European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Petros Batakis
- Benaki Phytopathological Institute, Laboratory of Toxicological Control of Pesticides, 8th Stefanou Delta Str., Kifissia, Attica, Greece
| | - Katerina Kyriakopoulou
- Phytopathological Institute, Laboratory of Environmental Control of Pesticides, 8th Stefanou Delta Str., Kifissia, Attica, Greece
| | - Kyriaki Machera
- Benaki Phytopathological Institute, Laboratory of Toxicological Control of Pesticides, 8th Stefanou Delta Str., Kifissia, Attica, Greece
| | - Hubert Dirven
- Department of Climate and Environment, Division of Chemical Toxicology, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway
| | - Birgitte Lindeman
- Department of Climate and Environment, Division of Chemical Toxicology, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway
| | - Nur Duale
- Department of Climate and Environment, Division of Chemical Toxicology, Norwegian Institute of Public Health, Lovisenberggate 8, Oslo, Norway.
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Klančič V, Gobec M, Jakopin Ž. Halogenated ingredients of household and personal care products as emerging endocrine disruptors. CHEMOSPHERE 2022; 303:134824. [PMID: 35525453 DOI: 10.1016/j.chemosphere.2022.134824] [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: 03/02/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 06/14/2023]
Abstract
The everyday use of household and personal care products (HPCPs) generates an enormous amount of chemicals, of which several groups warrant additional attention, including: (i) parabens, which are widely used as preservatives; (ii) bisphenols, which are used in the manufacture of plastics; (iii) UV filters, which are essential components of many cosmetic products; and (iv) alkylphenol ethoxylates, which are used extensively as non-ionic surfactants. These chemicals are released continuously into the environment, thus contaminating soil, water, plants and animals. Wastewater treatment and water disinfection procedures can convert these chemicals into halogenated transformation products, which end up in the environment and pose a potential threat to humans and wildlife. Indeed, while certain parent HPCP ingredients have been confirmed as endocrine disruptors, less is known about the endocrine activities of their halogenated derivatives. The aim of this review is first to examine the sources and occurrence of halogenated transformation products in the environment, and second to compare their endocrine-disrupting properties to those of their parent compounds (i.e., parabens, bisphenols, UV filters, alkylphenol ethoxylates). Albeit previous reports have focused individually on selected classes of such substances, none have considered the problem of their halogenated transformation products. This review therefore summarizes the available research on these halogenated compounds, highlights the potential exposure pathways, and underlines the existing knowledge gaps within their toxicological profiles.
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Affiliation(s)
- Veronika Klančič
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, SI-1000, Ljubljana, Slovenia
| | - Martina Gobec
- Department of Clinical Biochemistry, Faculty of Pharmacy, University of Ljubljana, SI-1000, Ljubljana, Slovenia
| | - Žiga Jakopin
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, SI-1000, Ljubljana, Slovenia.
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Yasuda A, Inoue KI, Sanbongi C, Suzuki W, Takano H. Dietary supplementation with fructooligosaccharides ameliorates allergy development following DEHP exposure in mice. FOOD AGR IMMUNOL 2021. [DOI: 10.1080/09540105.2021.1952934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Akiko Yasuda
- Meiji Co., Ltd., Nutritionals & Provisions Team, Tokyo, Japan
| | - Ken-ichiro Inoue
- School of Nursing, University of Shizuoka, Shizuoka, Suruga, Japan
| | - Chiaki Sanbongi
- Meiji Co., Ltd., Nutritionals & Provisions Team, Tokyo, Japan
| | - Wakako Suzuki
- School of Nursing, University of Shizuoka, Shizuoka, Suruga, Japan
| | - Hirohisa Takano
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, Japan
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Routti H, Harju M, Lühmann K, Aars J, Ask A, Goksøyr A, Kovacs KM, Lydersen C. Concentrations and endocrine disruptive potential of phthalates in marine mammals from the Norwegian Arctic. ENVIRONMENT INTERNATIONAL 2021; 152:106458. [PMID: 33677245 DOI: 10.1016/j.envint.2021.106458] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 02/03/2021] [Accepted: 02/07/2021] [Indexed: 06/12/2023]
Abstract
This study investigated concentrations of phthalates (diesters of phthalic acids) in blubber/adipose tissue of blue whales (Balaenoptera musculus), fin whales (Balaenoptera physalus), bowhead whales (Balaena mysticetus) and polar bears (Ursus maritimus) sampled in the Svalbard Archipelago (extending westward in the case of bowhead whales). Additionally, total concentrations (free and conjugated forms) of eight phthalate monoester metabolites were analysed in plasma of polar bears. Bis(2-ethylhexyl) phthalate (DEHP) was the only phthalate quantified among the 12 phthalates investigated. This compound was present in 6/7 fin whale samples, 4/7 blue whale samples, 2/5 bowhead whale samples and 1/12 polar bear samples. DEHP concentrations ranged from <20-398 ng/g wet weight. Phthalate metabolites, mono-n-butyl phthalate and monoisobutyl phthalate, were found in low concentrations (<1.2 ng/mL) in some of the polar bear samples. In vitro reporter gene assays were used to assess transcriptional activity of fin whale peroxisome proliferator-activated receptor gamma (PPARG), glucocorticoid receptor (GR) and the thyroid hormone receptor beta (THRB) by DEHP and diisononyl phthalate (DiNP). Due to the high degree of similarity of the ligand binding domain in the THRB and PPARG among whales, polar bears and humans, the transactivation results also apply for these species. DEHP showed both agonistic and antagonistic effects towards whale THRB at considerably higher concentrations than measured in the study animals; DiNP was a weak agonist of whale THRB. No significant agonistic or antagonistic effects were detected for DEHP or DiNP for whale PPARG, whereas DEHP and DiNP decreased basal luciferase activity mediated by whale GR at several test concentrations. In conclusion, DEHP was detected in the blubber of marine mammals from the Norwegian Arctic and it appears to have potential to modulate the transcriptional activity of whale THRB, but current DEHP concentrations do not modulate the function of the studied nuclear receptors in adipose tissue of blue whales, fin whales, bowhead whales or polar bears sampled from the Norwegian Arctic.
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Affiliation(s)
- Heli Routti
- Norwegian Polar Institute, Fram Centre, N-9296 Tromsø, Norway.
| | - Mikael Harju
- Norwegian Institute for Air Research, Fram Centre, N-9296 Tromsø, Norway
| | | | - Jon Aars
- Norwegian Polar Institute, Fram Centre, N-9296 Tromsø, Norway
| | - Amalie Ask
- Norwegian Polar Institute, Fram Centre, N-9296 Tromsø, Norway
| | - Anders Goksøyr
- University of Bergen, Department of Biological Sciences, N-5020 Bergen, Norway
| | - Kit M Kovacs
- Norwegian Polar Institute, Fram Centre, N-9296 Tromsø, Norway
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6
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Mohammadi H, Ashari S. Mechanistic insight into toxicity of phthalates, the involved receptors, and the role of Nrf2, NF-κB, and PI3K/AKT signaling pathways. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:35488-35527. [PMID: 34024001 DOI: 10.1007/s11356-021-14466-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 05/14/2021] [Indexed: 06/12/2023]
Abstract
The wide use of phthalates, as phthalates are used in the manufacturing of not only plastics but also many others goods, has become a main concern in the current century because of their potency to induce deleterious effects on organism health. The toxic effects of phthalates such as reproductive toxicity, cardiotoxicity, hepatotoxicity, nephrotoxicity, teratogenicity, and tumor development have been widely indicated by previous experimental studies. Some of the important mechanisms of toxicity by phthalates are the induction and promotion of inflammation, oxidative stress, and apoptosis. Awareness of the involved molecular pathways of these mechanisms will permit the detection of exact molecular targets of phthalates to protect or treat their toxicity. Up to now, various transcription factors and signaling pathways have been associated with phthalate-induced toxicity which by influencing on nuclear surface and the expression of different genes can alter cell hemostasis. In different studies, the role of nuclear factor erythroid 2-related factor 2 (Nrf2), nuclear factor-κB (NF-κB), and phosphatidylinositol-3-kinase (PI3K)/AKT signaling pathways in processes of oxidative stress, inflammation, apoptosis, and cancer has been shown following exposure to phthalates. In the present review, we aim to survey experimental studies (in vitro and in vivo) in order to show firstly the most involved receptors and also the importance and the role of the mentioned signaling pathways in phthalate-induced toxicity, and with considering this point, the future studies can focus on these molecular targets as a strategic method to reduce environmental chemicals-induced toxicity especially phthalates toxic effects.
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Affiliation(s)
- Hamidreza Mohammadi
- Pharmaceutical Science Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran
- Department of Toxicology/Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Sorour Ashari
- Department of Toxicology/Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
- Student Research Committee, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
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7
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James-Todd T, Connolly L, Preston EV, Quinn MR, Plotan M, Xie Y, Gandi B, Mahalingaiah S. Hormonal activity in commonly used Black hair care products: evaluating hormone disruption as a plausible contribution to health disparities. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2021; 31:476-486. [PMID: 33958708 PMCID: PMC8812815 DOI: 10.1038/s41370-021-00335-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 05/11/2023]
Abstract
BACKGROUND Certain types of hair products are more commonly used by Black women. Studies show hair products contain several endocrine-disrupting chemicals that are associated with adverse health outcomes. As chemical mixtures of endocrine disruptors, hair products may be hormonally active, but this remains unclear. OBJECTIVE To assess the hormonal activity of commonly used Black hair products. METHODS We identified six commonly used hair products (used by >10% of the population) from the Greater New York Hair Products Study. We used reporter gene assays (RGAs) incorporating natural steroid receptors to evaluate estrogenic, androgenic, progestogenic, and glucocorticoid hormonal bioactivity employing an extraction method using bond elution prior to RGA assessment at dilutions from 50 to 500. RESULTS All products displayed hormonal activity, varying in the amount and effect. Three samples showed estrogen agonist properties at levels from 12.5 to 20 ng/g estradiol equivalent concentrations All but one sample showed androgen antagonist properties at levels from 20 to 25 ng/g androgen equivalent concentrations. Four samples showed antagonistic and agonistic properties to progesterone and glucocorticoid. SIGNIFICANCE Hair products commonly used by Black women showed hormonal activity. Given their frequent use, exposure to hormonally active products could have implications for health outcomes and contribute to reproductive and metabolic health disparities.
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Affiliation(s)
- Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Division of Women's Health, Department of Medicine, Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
| | - Lisa Connolly
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Emma V Preston
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Marlee R Quinn
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Monika Plotan
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Yuling Xie
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK
| | - Bharathi Gandi
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Shruthi Mahalingaiah
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Massachusetts General Hospital, Boston, MA, USA
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8
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Jakopin Ž. Assessment of the endocrine-disrupting potential of halogenated parabens: An in silico approach. CHEMOSPHERE 2021; 264:128447. [PMID: 33007571 DOI: 10.1016/j.chemosphere.2020.128447] [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: 06/01/2020] [Revised: 09/16/2020] [Accepted: 09/23/2020] [Indexed: 06/11/2023]
Abstract
Parabens are endocrine-disrupting chemicals present in a variety of pharmaceutical and personal care products. Due to their wide-spread use, significant amounts are also released into the aquatic domain of the environment. During water disinfection, parabens give rise to halogenated transformation products. As opposed to parabens, there is considerable lack of knowledge with regard to the endocrine-disrupting potential of their halogenated counterparts, which presents a challenge for regulatory decision making. We aimed to fill this knowledge gap by using the Endocrine Disruptome and VirtualToxLab™ to predict their endocrine-disrupting potential on the basis of calculated affinities for different nuclear receptors. The applied computational approach indicates a high probability of halogenated parabens binding to glucocorticoid, thyroid and aryl hydrocarbon receptors and suggests that disinfection is likely to form transformation products with more pronounced endocrine-disrupting activities than those of parent parabens. The obtained results not only highlight the need for additional in vitro/in vivo investigations of these chemicals as endocrine disruptors but also provide a means of guiding and prioritizing these future studies, in order to assess fully their hazard to human health.
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Affiliation(s)
- Žiga Jakopin
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI - 1000, Ljubljana, Slovenia.
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Leng Y, Sun Y, Huang W, Lv C, Cui J, Li T, Wang Y. Phthalate esters and dexamethasone synergistically activate glucocorticoid receptor. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2020; 55:1581-1588. [PMID: 32998617 DOI: 10.1080/10934529.2020.1826775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 09/14/2020] [Accepted: 09/16/2020] [Indexed: 06/11/2023]
Abstract
This study was conducted to determine the endocrine-disrupting effects of phthalate esters (PAEs) on the glucocorticoid receptor (GR) signaling. Potential (anti)glucocorticoid activities of six typical PAEs including di (2-ethylhexyl) phthalate (DEHP), diisononyl phthalate (DINP), dibutyl phthalate (DBP), diisobutyl phthalate (DIBP), diethyl phthalate (DEP) and dimethyl phthalate (DMP) were evaluated on human GR using cell viability assessment, reporter gene expression analysis, mRNA analysis, and molecular docking and simulation. For all tested chemicals, co-treatment of DEHP and DINP with dexamethasone (DEX) exhibited a synergistic effect on GR transactivity in the reporter assays. Such co-treatment also synergistically enhanced DEX-induced upregulation of GR mediated gene (PEPCK, FAS and MKP-1) mRNA expression in HepG2 cells and A549 cells. Molecular docking and dynamics simulations showed that hydrophobic interactions may stabilize the binding between molecules and GR. In summary, DEHP and DINP may be involved in synergistic effects via human GR, which highlight the potential endocrine-disrupting activities of PAEs as contaminants.
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Affiliation(s)
- Yue Leng
- College of Food Science and Engineering, Jilin University, People's Republic of China
| | - Yonghai Sun
- College of Food Science and Engineering, Jilin University, People's Republic of China
| | - Wei Huang
- Institute of Agro-Food Technology, Jilin Academy of Agricultural Sciences, Jilin, People's Republic of China
| | - Chengyu Lv
- Institute of Agro-Food Technology, Jilin Academy of Agricultural Sciences, Jilin, People's Republic of China
| | - Jingyan Cui
- Institute of Agro-Food Technology, Jilin Academy of Agricultural Sciences, Jilin, People's Republic of China
| | - Tiezhu Li
- College of Food Science and Engineering, Jilin University, People's Republic of China
- Institute of Agro-Food Technology, Jilin Academy of Agricultural Sciences, Jilin, People's Republic of China
| | - Yongjun Wang
- Institute of Agro-Food Technology, Jilin Academy of Agricultural Sciences, Jilin, People's Republic of China
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10
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Application of generalized concentration addition to predict mixture effects of glucocorticoid receptor ligands. Toxicol In Vitro 2020; 69:104975. [PMID: 32858110 DOI: 10.1016/j.tiv.2020.104975] [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: 05/19/2020] [Revised: 08/04/2020] [Accepted: 08/20/2020] [Indexed: 11/20/2022]
Abstract
Environmental exposures often occur in complex mixtures and at low concentrations. Generalized concentration addition (GCA) is a method used to estimate the joint effect of receptor ligands that vary in efficacy. GCA models have been successfully applied to mixtures of aryl hydrocarbon receptor (AhR) and peroxisome proliferator-activated receptor gamma (PPARγ) ligands, each of which can be modeled as a receptor with a single binding site. Here, we evaluated whether GCA could be applied to homodimer nuclear receptors, which have two binding sites, to predict the combined effect of full glucocorticoid receptor (GR) agonists with partial agonists. We measured transcriptional activation of GR using a cell-based bioassay. Individual concentration-response curves for dexamethasone (full agonist), prednisolone (full agonist), and medroxyprogesterone 17-acetate (partial agonist) were generated and applied in three additivity models, GCA, effect summation (ES), and relative potency factor (RPF), to generate response surfaces. GCA and RPF yielded adequate predictions of the experimental data for two full agonists. However, GCA fit experimental data significantly better than ES and RPF for all other binary mixtures. This work extends the application of GCA to homodimer nuclear receptors and improves prediction accuracy of mixture effects of GR agonists.
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11
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Cherian P, Zhu J, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler DC, Marks JG, Shank RC, Slaga TJ, Snyder PW, Heldreth B. Amended Safety Assessment of Parabens as Used in Cosmetics. Int J Toxicol 2020; 39:5S-97S. [DOI: 10.1177/1091581820925001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The Expert Panel for Cosmetic Ingredient Safety (Panel) assessed the safety of 21 parabens as preservatives in cosmetic products. All of these ingredients are reported to function in cosmetics as preservatives; however, 5 are reported to also function as fragrance ingredients. The Panel reviewed relevant data relating to the safety of these ingredients under the reported conditions of use in cosmetic formulations. The Panel concluded that 20 of the 21 parabens included in this report are safe in cosmetics in the present practices of use and concentration described in this safety assessment when the sum of the total parabens in any given formulation does not exceed 0.8%. However, the available data are insufficient to support a conclusion of safety for benzylparaben in cosmetics.
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Affiliation(s)
- Priya Cherian
- Cosmetic Ingredient Review Scientific Analyst/Writer, Washington, DC, USA
| | - Jinqiu Zhu
- Cosmetic Ingredient Review Toxicologist, Washington, DC, USA
| | - Wilma F. Bergfeld
- Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | - Donald V. Belsito
- Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | - Ronald A. Hill
- Former Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | | | - Daniel C. Liebler
- Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | - James G. Marks
- Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | - Ronald C. Shank
- Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | - Thomas J. Slaga
- Expert Panel for Cosmetic Ingredient Safety Member, Washington, DC, USA
| | - Paul W. Snyder
- Cosmetic Ingredient Review Toxicologist, Washington, DC, USA
| | - Bart Heldreth
- Cosmetic Ingredient Review Executive Director, Washington, DC, USA
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12
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Zhang J, Yang Y, Liu W, Schlenk D, Liu J. Glucocorticoid and mineralocorticoid receptors and corticosteroid homeostasis are potential targets for endocrine-disrupting chemicals. ENVIRONMENT INTERNATIONAL 2019; 133:105133. [PMID: 31520960 DOI: 10.1016/j.envint.2019.105133] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/19/2019] [Accepted: 08/26/2019] [Indexed: 05/16/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) have received significant concern, since they ubiquitously exist in the environment and are able to induce adverse health effects on human and wildlife. Increasing evidence shows that the glucocorticoid receptor (GR) and the mineralocorticoid receptor (MR), members of the steroid receptor subfamily, are potential targets for EDCs. GR and MR mediate the actions of glucocorticoids and mineralocorticoids, respectively, which are two main classes of corticosteroids involved in many physiological processes. The effects of EDCs on the homeostasis of these two classes of corticosteroids have also gained more attention recently. This review summarized the effects of environmental GR/MR ligands on receptor activity, and disruption of corticosteroid homeostasis. More than 130 chemicals classified into 7 main categories were reviewed, including metals, metalloids, pesticides, bisphenol analogues, flame retardants, other industrial chemicals and pharmaceuticals. The mechanisms by which EDCs interfere with GR/MR activity are primarily involved in ligand-receptor binding, nuclear translocation of the receptor complex, DNA-receptor binding, and changes in the expression of endogenous GR/MR genes. Besides directly interfering with receptors, enzyme-catalyzed synthesis and prereceptor regulation pathways of corticosteroids are also important targets for EDCs. The collected evidence suggests that corticosteroids and their receptors should be considered as potential targets for safety assessment of EDCs. The recognition of relevant xenobiotics and their underlying mechanisms of action is still a challenge in this emerging field of research.
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Affiliation(s)
- Jianyun Zhang
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Department of Public Health, School of Medicine, Hangzhou Normal University, Hangzhou 310036, China
| | - Ye Yang
- Institute of Hygiene, Zhejiang Academy of Medical Sciences, Hangzhou 310013, China
| | - Weiping Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Daniel Schlenk
- Department of Environmental Sciences, University of California, Riverside, 900 University Avenue, Riverside, CA 92521, United States
| | - Jing Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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13
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Bellavia A, Chiu YH, Brown FM, Mínguez-Alarcón L, Ford JB, Keller M, Petrozza J, Williams PL, Ye X, Calafat AM, Hauser R, James-Todd T. Urinary concentrations of parabens mixture and pregnancy glucose levels among women from a fertility clinic. ENVIRONMENTAL RESEARCH 2019; 168:389-396. [PMID: 30384233 PMCID: PMC7190006 DOI: 10.1016/j.envres.2018.10.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/05/2018] [Accepted: 10/08/2018] [Indexed: 05/20/2023]
Abstract
BACKGROUND A number of endocrine disrupting chemicals (EDC) have been associated with gestational diabetes (GDM) risk factors. However, no human study has investigated the association between pregnancy exposure to parabens, a class of EDCs, and pregnancy glucose levels, a risk factor for GDM. Furthermore, little is known about this association in subfertile women-a group at high risk of GDM. METHODS A total of 241 women from the Environment and Reproductive Health Study had data available on 1st and/or 2nd trimester urinary methylparaben, propylparaben, and butylparaben concentrations, and blood glucose levels after the glucose loading test (GLT), a non-fasting 50 g glucose loading test taken at late 2nd trimester. Trimester-specific associations between specific gravity adjusted methylparaben, butylparaben, and propylparaben with adjusted mean of pregnancy glucose levels were evaluated in linear regression models, using quartiles of each paraben's distribution, and as a paraben mixture, using mutual adjustment and Bayesian kernel machine regression (BKMR), a recently proposed method for investigating chemical mixtures that flexibly models the joint effect of chemicals. RESULTS Investigating parabens one at the time did not provide any significant results. When investigating parabens as a chemical mixture with both multiple regression and BKMR, we observed positive associations of butylparaben (e.g comparing the 4th and 1st quartiles) with glucose levels, for both the 1st trimester (adjusted difference=12.5 mg/dL; 95% CI: 0.9, 24.2) and 2nd trimester (adjusted difference=11.2 mg/dL; 95% CI: 0.2, 22.3), and a negative association between 1st trimester propylparaben and glucose (adjusted difference=-22.3 mg/dL; 95% CI: -43.2, -1.4). CONCLUSIONS We found 1st trimester butylparaben and propylparaben urinary concentrations to be associated with glucose levels in a pregnancy cohort of women at high risk of GDM, even after adjusting for potential confounders. Because exposure to parabens is widespread, these findings may suggest further investigating the effects of this chemical class on pregnancy health.
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Affiliation(s)
- Andrea Bellavia
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Yu-Han Chiu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Florence M Brown
- Adult Diabetes Section, Joslin Diabetes Center, Boston, MA, United States
| | - Lidia Mínguez-Alarcón
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Jennifer B Ford
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Myra Keller
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - John Petrozza
- Vincent Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA, United States
| | - Paige L Williams
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Xiaoyun Ye
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Antonia M Calafat
- National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Russ Hauser
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Vincent Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States.
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14
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Klopčič I, Markovič T, Mlinarič-Raščan I, Sollner Dolenc M. Endocrine disrupting activities and immunomodulatory effects in lymphoblastoid cell lines of diclofenac, 4-hydroxydiclofenac and paracetamol. Toxicol Lett 2018; 294:95-104. [DOI: 10.1016/j.toxlet.2018.05.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 05/11/2018] [Accepted: 05/15/2018] [Indexed: 12/27/2022]
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15
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Santos-Silva AP, Andrade MN, Pereira-Rodrigues P, Paiva-Melo FD, Soares P, Graceli JB, Dias GRM, Ferreira ACF, de Carvalho DP, Miranda-Alves L. Frontiers in endocrine disruption: Impacts of organotin on the hypothalamus-pituitary-thyroid axis. Mol Cell Endocrinol 2018; 460:246-257. [PMID: 28774778 DOI: 10.1016/j.mce.2017.07.038] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 07/29/2017] [Accepted: 07/29/2017] [Indexed: 10/19/2022]
Abstract
Endocrine disruptors (EDs), chemical substances widely used in industry and ubiquitously distributed in the environment, are able to interfere with the synthesis, release, transport, metabolism, receptor binding, action, or elimination of endogenous hormones. EDs affect homeostasis mainly by acting on nuclear and nonnuclear steroid receptors but also on serotonin, dopamine, norepinephrine and orphan receptors in addition to thyroid hormone receptors. Tributyltin (TBT), an ED widely used as a pesticide and biocide in antifouling paints, has well-documented actions that include inhibiting aromatase and affecting the nuclear receptors PPARγ and RXR. TBT exposure in humans and experimental models has been shown to mainly affect reproductive function and adipocyte differentiation. Since thyroid hormones play a fundamental role in regulating the basal metabolic rate and energy homeostasis, it is crucial to clarify the effects of TBT on the hypothalamus-pituitary-thyroid axis. Therefore, we review herein the main effects of TBT on important metabolic pathways, with emphasis on disruption of the thyroid axis that could contribute to the development of endocrine and metabolic disorders, such as insulin resistance and obesity.
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Affiliation(s)
- Ana Paula Santos-Silva
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Marcelle Novaes Andrade
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil
| | - Paula Pereira-Rodrigues
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Francisca Diana Paiva-Melo
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Paula Soares
- Institute for Research and Innovation in Health, University of Porto, Portugal; Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP) - Cancer Signalling & Metabolism, Porto, Portugal; Medical Faculty, University of Porto, Porto, Portugal; Department of Pathology and Oncology, Medical Faculty of Porto University, Porto, Portugal
| | | | - Glaecir Roseni Mundstock Dias
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Andrea Claudia Freitas Ferreira
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil; Polo de Xerém/NUMPEX, Universidade Federal do Rio de Janeiro, Brazil
| | - Denise Pires de Carvalho
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Leandro Miranda-Alves
- Grupo de Pesquisa, Desenvolvimento e Inovação em Endocrinologia Experimental-GPDIEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil.
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16
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Güzel Bayülken D, Ayaz Tüylü B, Sinan H, Sivas H. Investigation of genotoxic effects of paraben in cultured human lymphocytes. Drug Chem Toxicol 2017; 42:349-356. [DOI: 10.1080/01480545.2017.1414834] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Berrin Ayaz Tüylü
- Department of Biology, Anadolu University, Faculty of Sciences, Eskisehir, Turkey
| | - Handan Sinan
- Department of Biology, Anadolu University, Faculty of Sciences, Eskisehir, Turkey
| | - Hülya Sivas
- Department of Biology, Anadolu University, Faculty of Sciences, Eskisehir, Turkey
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17
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Gray JM, Rasanayagam S, Engel C, Rizzo J. State of the evidence 2017: an update on the connection between breast cancer and the environment. Environ Health 2017; 16:94. [PMID: 28865460 PMCID: PMC5581466 DOI: 10.1186/s12940-017-0287-4] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 07/17/2017] [Indexed: 05/23/2023]
Abstract
BACKGROUND In this review, we examine the continually expanding and increasingly compelling data linking radiation and various chemicals in our environment to the current high incidence of breast cancer. Singly and in combination, these toxicants may have contributed significantly to the increasing rates of breast cancer observed over the past several decades. Exposures early in development from gestation through adolescence and early adulthood are particularly of concern as they re-shape the program of genetic, epigenetic and physiological processes in the developing mammary system, leading to an increased risk for developing breast cancer. In the 8 years since we last published a comprehensive review of the relevant literature, hundreds of new papers have appeared supporting this link, and in this update, the evidence on this topic is more extensive and of better quality than that previously available. CONCLUSION Increasing evidence from epidemiological studies, as well as a better understanding of mechanisms linking toxicants with development of breast cancer, all reinforce the conclusion that exposures to these substances - many of which are found in common, everyday products and byproducts - may lead to increased risk of developing breast cancer. Moving forward, attention to methodological limitations, especially in relevant epidemiological and animal models, will need to be addressed to allow clearer and more direct connections to be evaluated.
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Affiliation(s)
- Janet M. Gray
- Department of Psychology and Program in Science, Technology, and Society, Vassar College, 124 Raymond Avenue, Poughkeepsie, NY 12604-0246 USA
| | - Sharima Rasanayagam
- Breast Cancer Prevention Partners, 1388 Sutter St., Suite 400, San Francisco, CA 94109-5400 USA
| | - Connie Engel
- Breast Cancer Prevention Partners, 1388 Sutter St., Suite 400, San Francisco, CA 94109-5400 USA
| | - Jeanne Rizzo
- Breast Cancer Prevention Partners, 1388 Sutter St., Suite 400, San Francisco, CA 94109-5400 USA
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18
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Hu P, Overby H, Heal E, Wang S, Chen J, Shen CL, Zhao L. Methylparaben and butylparaben alter multipotent mesenchymal stem cell fates towards adipocyte lineage. Toxicol Appl Pharmacol 2017; 329:48-57. [PMID: 28527915 DOI: 10.1016/j.taap.2017.05.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 04/30/2017] [Accepted: 05/16/2017] [Indexed: 12/21/2022]
Abstract
Paraben esters and their salts are widely used as preservatives in cosmetics, personal care products, pharmaceuticals, and foods. We previously reported that parabens promoted adipocyte differentiation in vitro and increased adiposity but suppressed serum marker of bone formation in vivo. Here, we investigated the effects of parabens (methylparaben and butylparaben) on modulating cell fate of multipotent stem cell line C3H10T1/2. Both parabens modulated adipogenic, osteogenic, and chondrogenic differentiation of C3H10T1/2 cells in vitro. Butylparaben markedly promoted adipogenic differentiation, but suppressed osteogenic and chondrogenic differentiation whereas methylparaben showed similar but less pronounced effects. Moreover, butylparaben, but not methylparaben, was shown to activate peroxisome proliferator-activated receptor (PPAR) γ whereas neither of the paraben was shown to activate glucocorticoid receptor (GR) responsive reporter in C3H10T1/2 cells. The adipogenic effects of butylparaben were significantly attenuated by PPARγ knockdown, but not by GR knockdown. In contrast, paraben's effects on osteoblast differentiation were affected by both knockdowns. Collectively, the results demonstrate opposing effects of parabens on adipogenic and osteoblastogenic/chondrogenic differentiation of multipotent stem cells. In light of the recent findings that parabens are detected in human placenta and milk, our studies provide rationales to study paraben exposure during early development of life in the future.
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Affiliation(s)
- Pan Hu
- Department of Nutrition, The University of Tennessee, Knoxville, TN, United States
| | - Haley Overby
- Department of Nutrition, The University of Tennessee, Knoxville, TN, United States
| | - Emily Heal
- Department of Nutrition, The University of Tennessee, Knoxville, TN, United States
| | - Shu Wang
- Department of Nutritional Sciences, Texas Tech University, Lubbock, TX, United States
| | - Jiangang Chen
- Department of Public Health, The University of Tennessee, Knoxville, TN, United States
| | - Chwan-Li Shen
- Department of Pathology, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - Ling Zhao
- Department of Nutrition, The University of Tennessee, Knoxville, TN, United States.
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19
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Roy DN, Goswami R, Pal A. The insect repellents: A silent environmental chemical toxicant to the health. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 50:91-102. [PMID: 28171823 DOI: 10.1016/j.etap.2017.01.019] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 01/23/2017] [Accepted: 01/26/2017] [Indexed: 05/15/2023]
Abstract
In recent years, a large number of insect repellents have been developed with the idea of consumer benefits. In addition to already known advantageous application of insect repellents, there is increasing concern about the potential toxicity in environment leading to health caused by random use of these compounds. An increasing number of evidence suggests that insect repellents may trigger undesirable hazardous interactions with biological systems with a potential to generate harmful effects including intermediate metabolites. Biotransformation followed by bioaccumulation (vice e versa) may be an important phenomenon for toxic response of this chemicals. In this review, we have summarized the current state of knowledge on the insect repellent toxicity, including biochemical pathway alteration under in vitro and in vivo conditions considering different classes of organisms, from lower to higher vertebrate. Furthermore, we have tried to incorporate the effects of insect repellent in light of some clinical reports. We hope this review would provide useful information on potential side effects of uncontrolled use of insect repellents.
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Affiliation(s)
- Dijendra Nath Roy
- Department of Bio Engineering, National Institute of Technology, Agartala, Tripura, India.
| | - Ritobrata Goswami
- School of Bio Science, Indian Institute of Technology, Kharagpur, West Bengal, India
| | - Ayantika Pal
- Department of Human Physiology, Tripura University, Tripura, India
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20
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Ahmad S, Khan MF, Parvez S, Akhtar M, Raisuddin S. Molecular docking reveals the potential of phthalate esters to inhibit the enzymes of the glucocorticoid biosynthesis pathway. J Appl Toxicol 2016; 37:265-277. [DOI: 10.1002/jat.3355] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 05/08/2016] [Accepted: 05/10/2016] [Indexed: 02/06/2023]
Affiliation(s)
- Shahzad Ahmad
- Department of Medical Elementology and Toxicology; Jamia Hamdard (Hamdard University); New Delhi 110062 India
| | - Mohemmed Faraz Khan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy; Jamia Hamdard (Hamdard University); New Delhi 110062 India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology; Jamia Hamdard (Hamdard University); New Delhi 110062 India
| | - Mohammad Akhtar
- Department of Pharmacology, Faculty of Pharmacy; Jamia Hamdard (Hamdard University); New Delhi 110062 India
| | - Sheikh Raisuddin
- Department of Medical Elementology and Toxicology; Jamia Hamdard (Hamdard University); New Delhi 110062 India
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