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Gonkowski S, Tzatzarakis M, Kadyralieva N, Vakonaki E, Lamprakis T. Exposure assessment of dairy cows to parabens using hair samples analysis. Sci Rep 2024; 14:14291. [PMID: 38906953 PMCID: PMC11192892 DOI: 10.1038/s41598-024-65347-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 06/19/2024] [Indexed: 06/23/2024] Open
Abstract
Parabens (PBs) are used as preservatives in various products. They pollute the environment and penetrate living organisms, showing endocrine disrupting activity. Till now studies on long-term exposure of farm animals to PBs have not been performed. Among matrices using in PBs biomonitoring hair samples are becoming more and more important. During this study concentration levels of methyl paraben (MeP), ethyl paraben (EtP), propyl paraben (PrP) butyl paraben (BuP) and benzyl paraben (BeP) were evaluated using liquid chromatography-mass spectrometry (LC-MS) in hair samples collected from dairy cows bred in the Kyrgyz Republic. MeP was noted in 93.8% of samples (with mean concentration levels 62.2 ± 61.8 pg/mg), PrP in 16.7% of samples (12.4 ± 6.5 pg/mg) and EtP in 8.3% of samples (21.4 ± 11.9 pg/mg). BuP was found only in one sample (2.1%) and BeP was not detected in any sample included in the study. Some differences in MeP concentration levels in the hair samples depending on district, where cows were bred were noted. This study has shown that among PBs, dairy cows are exposed mainly to MeP, and hair samples may be a suitable matrix for research on PBs levels in farm animals.
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Affiliation(s)
- Slawomir Gonkowski
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-957, Olsztyn, Poland.
| | - Manolis Tzatzarakis
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003, Heraklion, Crete, Greece
| | - Nariste Kadyralieva
- Department of Histology and Embryology, Veterinary Faculty, Kyrgyz-Turkish Manas University, Bishkek, Kyrgyzstan
| | - Elena Vakonaki
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003, Heraklion, Crete, Greece
| | - Thomas Lamprakis
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003, Heraklion, Crete, Greece
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Barraza J, Cleofas P, Villamil S, García M, López A, Casas E, Salazar Z, Pichardo F, Barajas-Salinas A, Núñez-Macías E, Ramírez Y, Bonilla E, Bahena I, Ortíz-Muñíz R, Cortés-Barberena E, Betancourt M, Casillas F. In vitro exposure of porcine spermatozoa to methylparaben, and propylparaben, alone or in combination adversely affects sperm quality. J Appl Toxicol 2024. [PMID: 38862408 DOI: 10.1002/jat.4650] [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: 10/17/2023] [Revised: 04/22/2024] [Accepted: 05/18/2024] [Indexed: 06/13/2024]
Abstract
Parabens (PBs) are widely used in the cosmetic, pharmaceutical, and food industries as preservatives of products. Because of its great use, humans and other organisms are highly exposed daily. However, little is known about the effect of PBs on male infertility. Therefore, the aim of the present study was to evaluate the effect of methylparaben (MePB) and propylparaben (PrPB), alone or in combination, on the physiological characteristics of pig in vitro exposed sperm to different concentrations (0, 200, 500, and 700 μM) for viability, motility, and acrosome integrity evaluation and (0, 200, 500, 700, 1000, and 2000 μM) for DNA fragmentation index evaluation, after 4 h of exposure. The results showed that sperm viability decreased after exposure to MePB from the concentration of 500 μM. In the PrPB and mixture groups, viability decreased at all concentrations except for the control. The decrease in viability of sperm exposed to PrPB was greater than that of the mixture and MePB groups. Sperm motility decreased in all the experimental groups exposed to PBs, at all concentrations, except for the control group. Acrosome integrity was not decreased in the MePB group; however, in the PrPB group, it decreased at a concentration of 200 μM and in the mixture at 500 μM. All groups exhibited DNA damage at different concentrations, except for the control group. Additionally, the effect of PBs on sperm quality was concentration-dependent. The results demonstrated that MePB and PrPB alone or in combination can have adverse effects on sperm quality parameters. MePB had lower toxicity than did both PrPB and the mixture. The mixture did not have an additive effect on any of the parameters evaluated. This could partially explain the link between PB exposure and infertility.
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Affiliation(s)
- J Barraza
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
- Master's degree in Animal Reproduction Biology, Metropolitan Autonomous University-Iztapalapa Campus, Mexico City, Mexico
| | - P Cleofas
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - S Villamil
- Department of Biology of Reproduction, Metropolitan Autonomous University-Iztapalapa Campus, Mexico City, Mexico
| | - M García
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - A López
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - E Casas
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - Z Salazar
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - F Pichardo
- Department of Biology of Reproduction, Metropolitan Autonomous University-Iztapalapa Campus, Mexico City, Mexico
| | - A Barajas-Salinas
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - E Núñez-Macías
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - Y Ramírez
- Department of Biology of Reproduction, Metropolitan Autonomous University-Iztapalapa Campus, Mexico City, Mexico
| | - E Bonilla
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - I Bahena
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - R Ortíz-Muñíz
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - E Cortés-Barberena
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - M Betancourt
- Department of Health Sciences, Metropolitan Autonomous University-Iztapalapa, Campus, Mexico City, Mexico
| | - F Casillas
- Department of Biology of Reproduction, Metropolitan Autonomous University-Iztapalapa Campus, Mexico City, Mexico
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Waye AA, Ticiani E, Veiga-Lopez A. Chemical mixture that targets the epidermal growth factor pathway impairs human trophoblast cell functions. Toxicol Appl Pharmacol 2024; 483:116804. [PMID: 38185387 PMCID: PMC11212468 DOI: 10.1016/j.taap.2024.116804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 12/27/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Pregnant women are exposed to complex chemical mixtures, many of which reach the placenta. Some of these chemicals interfere with epidermal growth factor receptor (EGFR) activation, a receptor tyrosine kinase that modulates several placenta cell functions. We hypothesized that a mixture of chemicals (Chem-Mix) known to reduce EGFR activation (polychlorinated biphenyl (PCB)-126, PCB-153, atrazine, trans-nonachlor, niclosamide, and bisphenol S) would interfere with EGFR-mediated trophoblast cell functions. To test this, we determined the chemicals' EGFR binding ability, EGFR and downstream effectors activation, and trophoblast functions (proliferation, invasion, and endovascular differentiation) known to be regulated by EGFR in extravillous trophoblasts (EVTs). The Chem-Mix competed with EGF for EGFR binding, however only PCB-153, niclosamide, trans-nonachlor, and BPS competed for binding as single chemicals. The effects of the Chem-Mix on EGFR phosphorylation were tested by exposing the placental EVT cell line, HTR-8/SVneo to control (0.1% DMSO), Chem-Mix (1, 10, or 100 ng/ml), EGF (30 ng/ml), or Chem-Mix + EGF. The Chem-Mix - but not the individual chemicals - reduced EGF-mediated EGFR phosphorylation in a dose dependent manner, while no effect was observed in its downstream effectors (AKT and STAT3). None of the individual chemicals affected EVT cell invasion, but the Chem-Mix reduced EVT cell invasion independent of EGF. In support of previous studies that have explored chemicals targeting a specific pathway (estrogen/androgen receptor), current findings indicate that exposure to a chemical mixture that targets the EGFR pathway can result in a greater impact compared to individual chemicals in the context of placental cell functions.
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Affiliation(s)
- Anita A Waye
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA
| | - Elvis Ticiani
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA
| | - Almudena Veiga-Lopez
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA; The Chicago Center for Health and Environment, University of Illinois at Chicago, Chicago, IL, USA.
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Yan Y, Guo F, Liu K, Ding R, Wang Y. The effect of endocrine-disrupting chemicals on placental development. Front Endocrinol (Lausanne) 2023; 14:1059854. [PMID: 36896182 PMCID: PMC9989293 DOI: 10.3389/fendo.2023.1059854] [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: 10/02/2022] [Accepted: 02/03/2023] [Indexed: 02/25/2023] Open
Abstract
Endocrine-disrupting chemicals (EDCs) or endocrine disruptors are substances that are either naturally occurring or artificial and are released into the natural environment. Humans are exposed to EDCs through ingestion, inhalation, and skin contact. Many everyday household items, such as plastic bottles and containers, the liners of metal food cans, detergents, flame retardants, food, gadgets, cosmetics, and pesticides, contain endocrine disruptors. Each hormone has a unique chemical makeup and structural attributes. The way that endocrine hormones connect to receptors is described as a "lock and key" mechanism, with each hormone serving as the key (lock). This mechanism is enabled by the complementary shape of receptors to their hormone, which allows the hormone to activate the receptors. EDCs are described as exogenous chemicals or compounds that have a negative impact on organisms' health by interacting with the functioning of the endocrine system. EDCs are associated with cancer, cardiovascular risk, behavioural disorders, autoimmune abnormalities, and reproductive disorders. EDCs exposure in humans is highly harmful during critical life stages. Nonetheless, the effect of EDCs on the placenta is often underestimated. The placenta is especially sensitive to EDCs due to its abundance of hormone receptors. In this review, we evaluated the most recent data on the effects of EDCs on placental development and function, including heavy metals, plasticizers, pesticides, flame retardants, UV filters and preservatives. The EDCs under evaluation have evidence from human biomonitoring and are found in nature. Additionally, this study indicates important knowledge gaps that will direct future research on the topic.
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Affiliation(s)
- Yan Yan
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun, China
| | - Fengjun Guo
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, China
| | - Kexin Liu
- Department of Gastrointestinal Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Rixin Ding
- Department of Cardiovascular Medicine, Changchun Central Hospital, Changchun, China
| | - Yichao Wang
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Yichao Wang,
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Bloom MS, Varde M, Newman RB. Environmental toxicants and placental function. Best Pract Res Clin Obstet Gynaecol 2022; 85:105-120. [PMID: 36274037 PMCID: PMC11184919 DOI: 10.1016/j.bpobgyn.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/11/2022] [Accepted: 09/25/2022] [Indexed: 12/14/2022]
Abstract
The placenta is a temporary endocrine organ that facilitates gas, nutrient, and waste exchange between maternal and fetal compartments, partially shielding the fetus from potentially hazardous environmental toxicants. However, rather than being "opaque", the placenta is translucent or even transparent to some potential fetal developmental hazards, including toxic trace elements (TEs), perfluoroalkyl and polyfluoroalkyl substances (PFAS), and environmental phenols (EPs) to which women with pregnancy are frequently exposed. These agents are both passively and actively transferred to the fetal compartment, where endocrine disruption, oxidative stress, and epigenetic changes may occur. These pathologies may directly impact the fetus or deposit and accumulate in the placenta to indirectly impact fetal development. Thus, it is critical for clinicians to understand the potential placental toxicity and transfer of widely distributed environmental agents ubiquitous during pregnancy. With such knowledge, targeted interventions and clinical recommendations can be developed to limit those risks.
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Affiliation(s)
- Michael S Bloom
- Department of Global and Community Health, George Mason University, 4400 University Dr., MS 5B7, Fairfax, VA 22030, USA.
| | - Meghana Varde
- Department of Global and Community Health, George Mason University, 4400 University Dr., MS 5B7, Fairfax, VA 22030, USA.
| | - Roger B Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Rm 634, Clinical Science Bldg., 96 Jonathan Lucas St., Charleston, SC 29425, USA.
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Parabens Permeation through Biological Membranes: A Comparative Study Using Franz Cell Diffusion System and Biomimetic Liquid Chromatography. Molecules 2022; 27:molecules27134263. [PMID: 35807508 PMCID: PMC9268571 DOI: 10.3390/molecules27134263] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/24/2022] [Accepted: 06/28/2022] [Indexed: 01/27/2023] Open
Abstract
Parabens (PBs) are used as preservatives to extend the shelf life of various foodstuffs, and pharmaceutical and cosmetic preparations. In this work, the membrane barrier passage potential of a subset of seven parabens, i.e., methyl-, ethyl-, propyl- isopropyl, butyl, isobutyl, and benzyl paraben, along with their parent compound, p-hydroxy benzoic acid, were studied. Thus, the Franz cell diffusion (FDC) method, biomimetic liquid chromatography (BLC), and in silico prediction were performed to evaluate the soundness of both describing their permeation through the skin. While BLC allowed the achievement of a full scale of affinity for membrane phospholipids of the PBs under research, the permeation of parabens through Franz diffusion cells having a carbon chain > ethyl could not be measured in a fully aqueous medium, i.e., permeation enhancer-free conditions. Our results support that BLC and in silico prediction alone can occasionally be misleading in the permeability potential assessment of these preservatives, emphasizing the need for a multi-technique and integrated experimental approach.
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The Effect of Glucose Metabolism and Breastfeeding on the Intestinal Microbiota of Newborns of Women with Gestational Diabetes Mellitus. Medicina (B Aires) 2022; 58:medicina58030413. [PMID: 35334589 PMCID: PMC8955385 DOI: 10.3390/medicina58030413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/19/2022] [Accepted: 03/03/2022] [Indexed: 12/14/2022] Open
Abstract
Gestational diabetes mellitus (GDM) is a pregnancy complication in which women without previously diagnosed diabetes develop chronic hyperglycemia during gestation. The diet and lifestyle of the mother during pregnancy as well as lactation have long-term effects on the child’s health and development. Detection of early risk markers of adult-age chronic diseases that begin during prenatal life and the application of complex nutritional interventions at the right time may reduce the risk of these diseases. Newborns adapt to the ectopic environment by developing intestinal immune homeostasis. Adequate initial colonization of bacteria is necessary for sufficient development of intestinal immunity. The environmental determinant of adequate colonization is breast milk. Although a developing newborn is capable of producing an immune response, the effector immune component requires bacterial stimulation. Breast milk stimulates the proliferation of a well-balanced and diverse microbiota, which initially influences the switch from an intrauterine TH2 predominant to a TH1/TH2 balanced response and the activation of T-regulatory cells by breast milk-stimulated specific organisms (Bifidobacteria, Lactobacillus, and Bacteroides). Breastfeeding in newborns of mothers with diabetes mellitus regulates the adequate immune response of the newborn and prevents diseases of the neonatal and postnatal period.
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