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Silva NP, da Costa CS, Barbosa KL, Januario CDF, Gama-de-Souza LN, Breves C, Fortunato RS, Miranda-Alves L, de Oliveira M, Nogueira CR, Graceli JB. Subacute tributyltin exposure alters the development and morphology of mammary glands in association with CYP19A1 expression in female rats. Reprod Toxicol 2024; 128:108635. [PMID: 38936095 DOI: 10.1016/j.reprotox.2024.108635] [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: 04/04/2024] [Revised: 05/29/2024] [Accepted: 06/06/2024] [Indexed: 06/29/2024]
Abstract
Tributyltin (TBT) is an endocrine-disrupting chemical (EDC) related to reproductive dysfunctions. However, few studies have investigated the effects of TBT exposure on mammary gland development. Thus, we assessed whether subacute TBT exposure causes irregularities in mammary gland development. We administered TBT (100 and 1,000 ng/kg/day for 30 days) to female rats from postnatal day (PND) 25 to PND 55, and mammary gland development, morphology, inflammation, collagen deposition, and protein expression were evaluated. Abnormal mammary gland development was observed in both TBT groups. Specifically, TBT exposure reduced the number of terminal end buds (TEBs), type 1 (AB1) alveolar buds, and type 2 (AB2) alveolar buds. An increase in the lobule and differentiation (DF) 2 score was found in the mammary glands of TBT rats. TBT exposure increased mammary gland blood vessels, mast cell numbers, and collagen deposition. Additionally, both TBT rats exhibited intraductal hyperplasia and TEB-like structures. An increase in estrogen receptor alpha (ERα), progesterone receptor (PR), and cytochrome P450 family 19 subfamily A member 1 (CYP19A1) - positive cells was observed in the mammary glands of TBT rats. A strong negative correlation was observed between CYP19A1- positive cells and TEB number. In addition, CYP19A1 - positive cells were positively correlated with mammary gland TEB-like structure, ductal hyperplasia, inflammation, and collagen deposition. Thus, these data suggest that TBT exposure impairs mammary gland development through the modulation of CYP19A1 signaling pathways in female rats.
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Affiliation(s)
- Natalia P Silva
- Department of Morphology, Federal University of Espírito Santo, Vitória 290440-090, Brazil
| | - Charles S da Costa
- Department of Morphology, Federal University of Espírito Santo, Vitória 290440-090, Brazil
| | - Kayke L Barbosa
- Department of Morphology, Federal University of Espírito Santo, Vitória 290440-090, Brazil
| | - Cidália de F Januario
- Department of Morphology, Federal University of Espírito Santo, Vitória 290440-090, Brazil
| | | | - Cinthia Breves
- Health Science Center, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro 21941590, Brazil
| | - Rodrigo S Fortunato
- Health Science Center, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro 21941590, Brazil
| | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, 21941902, Brazil
| | - Miriane de Oliveira
- Department of Internal Clinic, Botucatu Medicine School, São Paulo State University (UNESP), Botucatu, São Paulo 18618687, Brazil
| | - Celia R Nogueira
- Department of Internal Clinic, Botucatu Medicine School, São Paulo State University (UNESP), Botucatu, São Paulo 18618687, Brazil
| | - Jones B Graceli
- Department of Morphology, Federal University of Espírito Santo, Vitória 290440-090, Brazil.
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Oliveira ICCS, Marinsek GP, Correia LVB, da Silva RCB, Castro IB, Mari RB. Tributyltin (TBT) toxicity: Effects on enteric neuronal plasticity and intestinal barrier of rats' duodenum. Auton Neurosci 2024; 253:103176. [PMID: 38669866 DOI: 10.1016/j.autneu.2024.103176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 03/20/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024]
Abstract
Tributyltin (TBT) is a biocide used in the formulation of antifouling paints and it is highly harmful. Despite the ban, the compound persists in the environment, contaminating marine foodstuffs and household products. Therefore, considering the route of exposure to the contaminant, the gastrointestinal tract (GIT) acts as an important barrier against harmful substances and is a potential biomarker for understanding the consequences of these agents. This work aimed to evaluate histological and neuronal alterations in the duodenum of male Wistar rats that received 20 ng/g TBT and 600 ng/g via gavage for 30 consecutive days. After the experimental period, the animals were euthanized, and the duodenum was intended for neuronal histochemistry (total and metabolically active populations) and histological routine (morphometry and histopathology). The results showed more severe changes in neuronal density and intestinal morphometry in rats exposed to 20 ng/g, such as total neuronal density decrease and reduction of intestinal layers. In rats exposed to 600 ng/g of TBT, it was possible to observe only an increase in intraepithelial lymphocytes. We conclude that TBT can be more harmful to intestinal homeostasis when consumed in lower concentrations.
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Affiliation(s)
- I C C S Oliveira
- UNESP- São Paulo State University, Institute of Biosciences, Paulista Coast Campus (CLP), São Vicente, SP, Brazil.
| | - G P Marinsek
- UNESP- São Paulo State University, Institute of Biosciences, Paulista Coast Campus (CLP), São Vicente, SP, Brazil.
| | - L V B Correia
- UNIFESP- Federal University of São Paulo, Institute of Health and Society, Baixada Santista Campus, Santos, SP, Brazil
| | - R C B da Silva
- UNIFESP- Federal University of São Paulo, Institute of Health and Society, Baixada Santista Campus, Santos, SP, Brazil
| | - I B Castro
- UNIFESP- Federal University of São Paulo, Institute of Marine Science, Baixada Santista Campus, Santos, SP, Brazil.
| | - R B Mari
- UNESP- São Paulo State University, Institute of Biosciences, Paulista Coast Campus (CLP), São Vicente, SP, Brazil.
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Dauwe Y, Mary L, Oliviero F, Dubois L, Rousseau-Bacquie E, Gomez J, Gayrard V, Mselli-Lakhal L. Synergistic Steatosis Induction in Mice: Exploring the Interactions and Underlying Mechanisms between PFOA and Tributyltin. Cells 2024; 13:940. [PMID: 38891072 PMCID: PMC11171786 DOI: 10.3390/cells13110940] [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: 03/29/2024] [Revised: 05/21/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
This study explores the impact of environmental pollutants on nuclear receptors (CAR, PXR, PPARα, PPARγ, FXR, and LXR) and their heterodimerization partner, the Retinoid X Receptor (RXR). Such interaction may contribute to the onset of non-alcoholic fatty liver disease (NAFLD), which is initially characterized by steatosis and potentially progresses to steatohepatitis and fibrosis. Epidemiological studies have linked NAFLD occurrence to the exposure to environmental contaminants like PFAS. This study aims to assess the simultaneous activation of nuclear receptors via perfluorooctanoic acid (PFOA) and RXR coactivation via Tributyltin (TBT), examining their combined effects on steatogenic mechanisms. Mice were exposed to PFOA (10 mg/kg/day), TBT (5 mg/kg/day) or a combination of them for three days. Mechanisms underlying hepatic steatosis were explored by measuring nuclear receptor target gene and lipid metabolism key gene expressions, by quantifying plasma lipids and hepatic damage markers. This study elucidated the involvement of the Liver X Receptor (LXR) in the combined effect on steatosis and highlighted the permissive nature of the LXR/RXR heterodimer. Antagonistic effects of TBT on the PFOA-induced activation of the Pregnane X Receptor (PXR) and Peroxisome Proliferator-Activated Receptor Gamma (PPARγ) were also observed. Overall, this study revealed complex interactions between PFOA and TBT, shedding light on their combined impact on liver health.
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Affiliation(s)
| | | | | | | | | | | | | | - Laïla Mselli-Lakhal
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, Institut National de Recherche Pour L’agriculture, L’alimentation et L’environnement (INRAE), Ecole Nationale Veterinaire de Toulouse (ENVT), INP-Purpan, Université Paul Sabatier (UPS), 31027 Toulouse, France; (Y.D.); (L.M.); (F.O.); (L.D.); (E.R.-B.); (J.G.); (V.G.)
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Dos Santos FCF, Lima GFC, Merlo E, Januario CDF, Miranda-Alves L, Miranda RA, Lisboa PC, Graceli JB. Single microcystin exposure impairs the hypothalamic-pituitary-gonadal axis at different levels in female rats. Mol Cell Endocrinol 2024; 586:112203. [PMID: 38490633 DOI: 10.1016/j.mce.2024.112203] [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: 11/21/2023] [Revised: 02/06/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Microcystin (MC) is most common cyanobacterial toxin. Few studies have evaluated the MC effects on the hypothalamic-pituitary-gonadal (HPG) axis and metabolic function. In this study, we assessed whether MC exposure results in HPG axis and metabolic changes. Female rats were exposed to a single dose of MC at environmentally relevant levels (5, 20 and 40 μg/kg). After 24 h, we evaluated reproductive and metabolic parameters for 15 days. MC reduced the hypothalamic GnRH protein expression, increased the pituitary protein expression of GnRHr and IL-6. MC reduced LH levels and increased FSH levels. MC reduced the primary follicles, increased the corpora lutea, elevated levels of anti-Müllerian hormone (AMH) and progesterone, and decreased estrogen levels. MC increased ovarian VEGFr, LHr, AMH, ED1, IL-6 and Gp91-phox protein expression. MC increased uterine area and reduced endometrial gland number. A blunted estrogen-negative feedback was observed in MC rats after ovariectomy, with no changes in LH levels compared to intact MC rats. Therefore, these data suggest that a MC leads to abnormal HPG axis function in female rats.
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Affiliation(s)
- Flavia C F Dos Santos
- Department of Morphology, Federal University of Espírito Santo, 290440-090, Vitória, Brazil
| | - Gabriela F C Lima
- Department of Morphology, Federal University of Espírito Santo, 290440-090, Vitória, Brazil
| | - Eduardo Merlo
- Department of Morphology, Federal University of Espírito Santo, 290440-090, Vitória, Brazil
| | - Cidalia de F Januario
- Department of Morphology, Federal University of Espírito Santo, 290440-090, Vitória, Brazil
| | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, 21941-904, Ilha do Governador, Brazil
| | - Rosiane A Miranda
- Laboratory of Endocrine Physiology, Biology Institute, State University of Rio de Janeiro, RJ, Brazil
| | - Patrícia C Lisboa
- Laboratory of Endocrine Physiology, Biology Institute, State University of Rio de Janeiro, RJ, Brazil
| | - Jones B Graceli
- Department of Morphology, Federal University of Espírito Santo, 290440-090, Vitória, Brazil.
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Miranda RA, Lima DGV, de Souza LL, Souza da Silva B, Bertasso IM, Meyer LG, Rossetti CL, Junior RR, Miranda-Alves L, de Moura EG, Lisboa PC. Maternal exposure to tributyltin alters the breast milk, hormonal profile, and thyroid morphology of dams and induces sex-specific changes in neonate rat offspring. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123963. [PMID: 38621455 DOI: 10.1016/j.envpol.2024.123963] [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: 01/29/2024] [Revised: 03/22/2024] [Accepted: 04/10/2024] [Indexed: 04/17/2024]
Abstract
Tributyltin (TBT) is the chemical substance commonly used worldwide to prevent biofouling of vessels. Due to its ability to bioaccumulate and biomagnify, even after being banned, significant concentrations of TBT can be detected in sediment, affecting marine and human life. Although studies have shown that direct exposure to TBT alters physiological parameters in mammals, the relationship between exposure to TBT during pregnancy and lactation, considered critical windows for metabolic programming, has not been fully elucidated. Our hypothesis is that offspring whose mothers were exposed to TBT during critical stages of development may exhibit dysfunctions in endocrine-metabolic parameters. We used pregnant Wistar rats that were divided into groups and received the following treatments from gestational day 7 until the end of lactation by intragastric gavage: vehicle (ethanol 0.01%; Control), low TBT dose (100 ng/kg of body weight (bw)/day; TBT100ng) and high TBT dose (1000 ng/kg bw/day; TBT1000ng). Dams and offspring at birth and weaning (21 days old) were studied. Maternal exposure to TBT promoted dose-dependent changes in dams. The findings for adiposity, milk composition and lipid profile were more pronounced in TBT100 ng dam; however, thyroid morphology was altered in TBT1000 ng dam. Female offspring were differentially affected by the dose of exposure. At birth, females in the TBT100ng group had low body weight, lower naso-anal length (NAL), and higher plasma T4, and at weaning, females in the TBT100ng group had lower insulin and leptin levels. Females in the TBT1000ng group had lower NAL at birth and lower leptinemia and weight of white adipose tissue at weaning. Male offspring from TBT groups showed high T3 at birth, without biometric alterations at birth or weaning. Despite these findings, both sexes exhibited dose-dependent morphological changes in the thyroid gland. Thus, maternal exposure to TBT constitutes an important route of contamination for both dams and offspring.
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Affiliation(s)
- Rosiane Aparecida Miranda
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Daniel Galinis Vieira Lima
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Luana Lopes de Souza
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Beatriz Souza da Silva
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Iala Milene Bertasso
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Lilian Guedes Meyer
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Camila Lüdke Rossetti
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Reinaldo Röpke Junior
- Laboratory of Experimental Endocrinology, Institute of Biomedical Sciences, Universidade Federal do Rio de Janeiro, RJ, Brazil; Post graduate Program in Endocrinology, Faculty of Medicine, Universidade Federal do Rio de Janeiro, RJ, Brazil
| | - Leandro Miranda-Alves
- Laboratory of Experimental Endocrinology, Institute of Biomedical Sciences, Universidade Federal do Rio de Janeiro, RJ, Brazil; Post graduate Program in Endocrinology, Faculty of Medicine, Universidade Federal do Rio de Janeiro, RJ, Brazil; Post graduate Program of Pharmacology and Medicinal Chemistry, Institute of Biomedical Sciences, Universidade Federal do Rio de Janeiro, RJ, Brazil; Post graduate Program of Morphological Sciences, Institute of Biomedical Sciences, Universidade Federal do Rio de Janeiro, RJ, Brazil
| | - Egberto Gaspar de Moura
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil
| | - Patricia Cristina Lisboa
- Laboratory of Endocrine Physiology, Institute of Biology Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, RJ, Brazil.
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da Costa CS, de Oliveira TF, Dos Santos FCF, Padilha AS, Krause M, Carneiro MTWD, Miranda-Alves L, Graceli JB. Subacute cadmium exposure changes different metabolic functions, leading to type 1 and 2 diabetes mellitus features in female rats. ENVIRONMENTAL TOXICOLOGY 2024. [PMID: 38712533 DOI: 10.1002/tox.24306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/15/2024] [Accepted: 04/23/2024] [Indexed: 05/08/2024]
Abstract
Cadmium (Cd) is a heavy metal that acts as endocrine disrupting chemical (EDC). Few studies have investigated the effects of Cd exposure on metabolic dysfunctions, such as type 1 and 2 diabetes mellitus (T1DM and T2DM). Thus, we assessed whether subacute Cd exposure at occupational levels causes abnormalities in white adipose tissue (WAT), liver, pancreas, and skeletal muscle. We administered cadmium chloride (CdCl2) (100 ppm in drinking water for 30 days) to female rats and evaluated Cd levels in serum and metabolic organs, morphophysiology, inflammation, oxidative stress, fibrosis, and gene expression. High Cd levels were found in serum, WAT, liver, pancreas, and skeletal muscle. Cd-exposed rats showed low adiposity, dyslipidemia, insulin resistance, systemic inflammation, and oxidative stress compared to controls. Cd exposure reduced adipocyte size, hyperleptinemia, increased cholesterol levels, inflammation, apoptosis and fibrosis in WAT. Cd-exposed rats had increased liver cholesterol levels, insulin receptor beta (IRβ) and peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC1α) expression, karyomegaly, inflammation, and fibrosis. Cd exposure reduced insulin levels and pancreatic islet size and increased inflammation and fibrosis. Cd exposure reduced skeletal muscle fiber diameter and increased IR expression and inflammation. Finally, strong positive correlations were observed between serum, tissue Cd levels, abnormal morphology, tissue inflammation and fibrosis. Thus, these data suggest that subacute Cd exposure impairs WAT, liver, pancreas and skeletal muscle function, leading to T1DM and T2DM features and other complications in female rats.
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Affiliation(s)
- Charles S da Costa
- Department of Morphology, Federal University of Espirito Santo, Vitória, Brazil
| | | | | | | | - Maiara Krause
- Department of Chemistry, Federal University of Espirito Santo, Vitória, Brazil
| | | | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jones B Graceli
- Department of Morphology, Federal University of Espirito Santo, Vitória, Brazil
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Pascuali N, Pu Y, Waye AA, Pearl S, Martin D, Sutton A, Shikanov A, Veiga-Lopez A. Evaluation of Lipids and Lipid-Related Transcripts in Human and Ovine Theca Cells and an in Vitro Mouse Model Exposed to the Obesogen Chemical Tributyltin. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:47009. [PMID: 38630605 PMCID: PMC11023052 DOI: 10.1289/ehp13955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 02/22/2024] [Accepted: 03/18/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND Exposure to obesogenic chemicals has been reported to result in enhanced adipogenesis, higher adipose tissue accumulation, and reduced ovarian hormonal synthesis and follicular function. We have reported that organotins [tributyltin (TBT) and triphenyltin (TPT)] dysregulate cholesterol trafficking in ovarian theca cells, but, whether organotins also exert lipogenic effects on ovarian cells remains unexplored. OBJECTIVE We investigated if environmentally relevant exposures to organotins [TBT, TPT, or dibutyltin (DBT)] induce lipid dysregulation in ovarian theca cells and the role of the liver X receptor (LXR) in this effect. We also tested the effect of TBT on oocyte maturation and neutral lipid accumulation, and lipid-related transcript expression in cumulus cells and preimplantation embryos. METHODS Primary theca cell cultures derived from human and ovine ovaries were exposed to TBT, TPT, or DBT (1, 10, or 50 ng / ml ). The effect of these chemical exposures on neutral lipid accumulation, lipid abundance and composition, lipid homeostasis-related gene expression, and cytokine secretion was evaluated using liquid chromatography-mass spectrometry (LC-MS), inhibitor-based methods, cytokine secretion, and lipid ontology analyses. We also exposed murine cumulus-oocyte complexes to TBT and evaluated oocyte maturation, embryo development, and lipid homeostasis-related mRNA expression in cumulus cells and blastocysts. RESULTS Exposure to TBT resulted in higher intracellular neutral lipids in human and ovine primary theca cells. In ovine theca cells, this effect was dose-dependent, independent of cell stage, and partially mediated by LXR. DBT and TPT resulted in higher intracellular neutral lipids but to a lesser extent in comparison with TBT. More than 140 lipids and 9 cytokines were dysregulated in TBT-exposed human theca cells. Expression of genes involved in lipogenesis and fatty acid synthesis were higher in theca cells, as well as in cumulus cells and blastocysts exposed to TBT. However, TBT did not impact the rates of oocyte maturation or blastocyst development. DISCUSSION TBT induced dyslipidemia in primary human and ovine theca cells, which may be responsible for some of the TBT-induced fertility dysregulations reported in rodent models of TBT exposure. https://doi.org/10.1289/EHP13955.
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Affiliation(s)
- Natalia Pascuali
- Department of Pathology, University of Illinois Chicago, Chicago, Illinois, USA
| | - Yong Pu
- Department of Pathology, University of Illinois Chicago, Chicago, Illinois, USA
| | - Anita A. Waye
- Department of Pathology, University of Illinois Chicago, Chicago, Illinois, USA
| | - Sarah Pearl
- Department of Obstetrics and Gynecology, Sparrow Health System, Lansing, Michigan, USA
| | - Denny Martin
- Department of Obstetrics and Gynecology, Sparrow Health System, Lansing, Michigan, USA
| | - Allison Sutton
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Ariella Shikanov
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Almudena Veiga-Lopez
- Department of Pathology, University of Illinois Chicago, Chicago, Illinois, USA
- The Chicago Center for Health and Environment, University of Illinois Chicago, Chicago, Illinois, USA
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8
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Perry WB, Ahmadian R, Munday M, Jones O, Ormerod SJ, Durance I. Addressing the challenges of combined sewer overflows. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123225. [PMID: 38151091 DOI: 10.1016/j.envpol.2023.123225] [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: 10/25/2023] [Revised: 12/18/2023] [Accepted: 12/23/2023] [Indexed: 12/29/2023]
Abstract
Europe's ageing wastewater system often combines domestic sewage with surface runoff and industrial wastewaters. To reduce the associated risk of overloading wastewater treatment works during storms, and to prevent wastewater backing-up into properties, Combined Sewer Overflows (CSOs) are designed into wastewater networks to release excess discharge into rivers or coastal waters without treatment. In view of growing regulatory scrutiny and increasing public concern about their excessive discharge frequencies and potential impacts on environments and people, there is a need to better understand these impacts to allow prioritisation of cost-effective solutions.We review: i) the chemical, physical and biological composition of CSOs discharges; ii) spatio-temporal variations in the quantity, quality and load of overflows spilling into receiving waters; iii) the potential impacts on people, ecosystems and economies. Despite investigations illustrating the discharge frequency of CSOs, data on spill composition and loading of pollutants are too few to reach representative conclusions, particularly for emerging contaminants. Studies appraising impacts are also scarce, especially in contexts where there are multiple stressors affecting receiving waters. Given the costs of addressing CSOs problems, but also the likely long-term gains (e.g. economic stimulation as well as improvements to biodiversity, ecosystem services, public health and wellbeing), we highlight here the need to bolster these evidence gaps. We also advocate no-regrets options to alleviate CSO problems taking into consideration economic costs, carbon neutrality, ecosystem benefit and community well-being. Besides pragmatic, risk-based investment by utilities and local authorities to modernise wastewater systems, these include i) more systemic thinking, linking policy makers, consumers, utilities and regulators, to shift from local CSO issues to integrated catchment solutions with the aim of reducing contributions to wastewater from surface drainage and water consumption; ii) broader societal responsibilities for CSOs, for example through improved regulation, behavioural changes in water consumption and disposal of waste into wastewater networks, and iii) greater cost-sharing of wastewater use.
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Affiliation(s)
- William Bernard Perry
- Water Research Institute, School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK
| | - Reza Ahmadian
- School of Engineering, Cardiff University, Cardiff, CF10 3AX, UK
| | - Max Munday
- Cardiff Business School, Cardiff University, Cardiff, CF10 3AX, UK
| | - Owen Jones
- School of Mathematics, Cardiff University, Cardiff, CF10 3AX, UK
| | - Steve J Ormerod
- Water Research Institute, School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK
| | - Isabelle Durance
- Water Research Institute, School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK.
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Ren X, Mao P, Li Z, Qian M, Deng X, Liu H, Wang L. TMT-based quantitative proteomics analysis of Sprague-Dawley rats liver reveals Triphenyltin induced liver damage and lipid metabolism disorders. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 198:105739. [PMID: 38225084 DOI: 10.1016/j.pestbp.2023.105739] [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: 08/31/2023] [Revised: 11/27/2023] [Accepted: 12/06/2023] [Indexed: 01/17/2024]
Abstract
Triphenyltin (TPT) is a widely used pesticide that has a negative impact on biological health and production efficiency. In addition, TPT poses a threat to human health through the food chain and environmental pollution. However, the exact mechanism of TPT toxicity remains unclear. In this study, we investigated the hepatotoxicity of TPT and its effects on lipid metabolism using male SD rats as an animal model. Our results from HE and serum biochemical analysis suggested that TPT could damage liver structure and function, resulting in disruption of lipid metabolism. We therefore proceeded to analyze the proteomic response of rat liver tissue after 28 days of treatment with 2 mg/kg/d TPT. Our study demonstrates that TPT has a variety of effects on liver protein expression in rats. Through bioinformatic analysis, we observed significant changes in proteins related to fatty acid oxidation and synthesis due to TPT exposure. Furthermore, western blot and RT-qPCR experiments confirmed that TPT can affect lipid metabolism through the PPAR pathway. These findings suggest that TPT exposure can lead to liver damage, lipid accumulation and metabolic disorders.
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Affiliation(s)
- Xijuan Ren
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Penghui Mao
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Zhi Li
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Mingqing Qian
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Xinxin Deng
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Hui Liu
- Bengbu Medical College Key Laboratory of Cancer Research and Clinical Laboratory Diagnosis, School of Laboratory Medicine, Bengbu Medical College, Bengbu 233030, PR China.
| | - Li Wang
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China.
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10
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Zamora Z, Wang S, Chen YW, Diamante G, Yang X. Systematic transcriptome-wide meta-analysis across endocrine disrupting chemicals reveals shared and unique liver pathways, gene networks, and disease associations. ENVIRONMENT INTERNATIONAL 2024; 183:108339. [PMID: 38043319 PMCID: PMC11216742 DOI: 10.1016/j.envint.2023.108339] [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: 08/07/2023] [Revised: 11/03/2023] [Accepted: 11/19/2023] [Indexed: 12/05/2023]
Abstract
Cardiometabolic disorders (CMD) are a growing public health problem across the world. Among the known cardiometabolic risk factors are compounds that induce endocrine and metabolic dysfunctions, such as endocrine disrupting chemicals (EDCs). To date, how EDCs influence molecular programs and cardiometabolic risks has yet to be fully elucidated, especially considering the complexity contributed by species-, chemical-, and dose-specific effects. Moreover, different experimental and analytical methodologies employed by different studies pose challenges when comparing findings across studies. To explore the molecular mechanisms of EDCs in a systematic manner, we established a data-driven computational approach to meta-analyze 30 human, mouse, and rat liver transcriptomic datasets for 4 EDCs, namely bisphenol A (BPA), bis(2-ethylhexyl) phthalate (DEHP), tributyltin (TBT), and perfluorooctanoic acid (PFOA). Our computational pipeline uniformly re-analyzed pre-processed quality-controlled microarray data and raw RNAseq data, derived differentially expressed genes (DEGs) and biological pathways, modeled gene regulatory networks and regulators, and determined CMD associations based on gene overlap analysis. Our approach revealed that DEHP and PFOA shared stable transcriptomic signatures that are enriched for genes associated with CMDs, suggesting similar mechanisms of action such as perturbations of peroxisome proliferator-activated receptor gamma (PPARγ) signaling and liver gene network regulators VNN1 and ACOT2. In contrast, TBT exhibited highly divergent gene signatures, pathways, network regulators, and disease associations from the other EDCs. In addition, we found that the rat, mouse, and human BPA studies showed highly variable transcriptomic patterns, providing molecular support for the variability in BPA responses. Our work offers insights into the commonality and differences in the molecular mechanisms of various EDCs and establishes a streamlined data-driven workflow to compare molecular mechanisms of environmental substances to elucidate the underlying connections between chemical exposure and disease risks.
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Affiliation(s)
- Zacary Zamora
- Molecular Toxicology Interdepartmental Program, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; Department of Integrative Biology and Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Susanna Wang
- Department of Integrative Biology and Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Yen-Wei Chen
- Molecular Toxicology Interdepartmental Program, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; Department of Integrative Biology and Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Graciel Diamante
- Department of Integrative Biology and Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA.
| | - Xia Yang
- Molecular Toxicology Interdepartmental Program, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; Department of Integrative Biology and Physiology, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; Institute for Quantitative and Computational Biosciences, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA.
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11
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da Silva RC, Teixeira MP, de Paiva LS, Miranda-Alves L. Environmental Health and Toxicology: Immunomodulation Promoted by Endocrine-Disrupting Chemical Tributyltin. TOXICS 2023; 11:696. [PMID: 37624201 PMCID: PMC10458372 DOI: 10.3390/toxics11080696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/24/2023] [Accepted: 08/05/2023] [Indexed: 08/26/2023]
Abstract
Tributyltin (TBT) is an environmental contaminant present on all continents, including Antarctica, with a potent biocidal action. Its use began to be intensified during the 1960s. It was effectively banned in 2003 but remains in the environment to this day due to several factors that increase its half-life and its misuse despite the bans. In addition to the endocrine-disrupting effect of TBT, which may lead to imposex induction in some invertebrate species, there are several studies that demonstrate that TBT also has an immunotoxic effect. The immunotoxic effects that have been observed experimentally in vertebrates using in vitro and in vivo models involve different mechanisms; mainly, there are alterations in the expression and/or secretion of cytokines. In this review, we summarize and update the literature on the impacts of TBT on the immune system, and we discuss issues that still need to be explored to fill the knowledge gaps regarding the impact of this endocrine-disrupting chemical on immune system homeostasis.
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Affiliation(s)
- Ricardo Correia da Silva
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (R.C.d.S.); (M.P.T.)
- Programa de Pós-Graduação em Ciências Morfológicas, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Mariana Pires Teixeira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (R.C.d.S.); (M.P.T.)
- Programa de Pós-Graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Luciana Souza de Paiva
- Departamento de Imunobiologia, Instituto de Biologia, Universidade Federal Fluminense, Niterói 24210-201, Brazil
- Programa de Pós-Graduação em Patologia, Faculdade de Medicina, Universidade Federal Fluminense, Niterói 24210-201, Brazil
| | - Leandro Miranda-Alves
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; (R.C.d.S.); (M.P.T.)
- Programa de Pós-Graduação em Ciências Morfológicas, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
- Programa de Pós-Graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
- Programa de Pós-Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
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12
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Zimerman J, Niño OMS, da Costa CS, Zanol JF, Comério M, da Gama de Souza LN, Miranda-Alves L, Miranda RA, Lisboa PC, Camilo TA, Rorato R, Alves GA, Frazão R, Zomer HD, Freitas-Lima LC, Graceli JB. Subacute high-refined carbohydrate diet leads to abnormal reproductive control of the hypothalamic-pituitary axis in female rats. Reprod Toxicol 2023; 119:108410. [PMID: 37211340 DOI: 10.1016/j.reprotox.2023.108410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 05/05/2023] [Accepted: 05/18/2023] [Indexed: 05/23/2023]
Abstract
We previously reported that female rats placed on a diet containing refined carbohydrates (HCD) resulted in obesity and reproductive abnormalities, such as high serum LH concentration and abnormal ovarian function. However, the impacts at the hypothalamic-pituitary (HP) function, specifically regarding pathways linked to reproductive axis modulation are unknown. In this study, we assessed whether subacute feeding with HCD results in abnormal reproductive control in the HP axis. Female rats were fed with HCD for 15 days and reproductive HP axis morphophysiology was assessed. HCD reduced hypothalamic mRNA expression (Kiss1, Lepr, and Amhr2) and increased pituitary LHβ+ cells. These changes likely contribute to the increase in serum LH concentration observed in HCD. Blunted estrogen negative feedback was observed in HCD, with increased kisspeptin protein expression in the arcuate nucleus of the hypothalamus (ARH), lower LHβ+ cells and LH concentration in ovariectomized (OVX)+HCD rats. Thus, these data suggest that HCD feeding led to female abnormal reproductive control of HP axis.
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Affiliation(s)
- Jeanini Zimerman
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Oscar M S Niño
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil; Faculty of Human Sciences and Education, Universidad de los Llanos, Villavicencio, Meta, Colombia
| | - Charles S da Costa
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Jordana F Zanol
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Milena Comério
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | | | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil; Postgraduate Program in Endocrinology, School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, Ilha do Governador, Cidade Universitária, UFRJ, RJ, Brazil
| | - Rosiane A Miranda
- Laboratory of Endocrine Physiology, Biology Institute, State University of Rio de Janeiro, RJ, Brazil
| | - Patrícia C Lisboa
- Laboratory of Endocrine Physiology, Biology Institute, State University of Rio de Janeiro, RJ, Brazil
| | - Tays A Camilo
- Department of Biophysics, Paulista School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Rodrigo Rorato
- Department of Biophysics, Paulista School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Guilherme Andrade Alves
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Renata Frazão
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Helena D Zomer
- Department of Physiological Sciences, University of Florida, Gainesville, FL, USA
| | | | - Jones B Graceli
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil.
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13
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Ticiani E, Pu Y, White M, Adomshick V, Veiga-Lopez A. Organotin mixtures reveal interactions that modulate adipogenic differentiation in 3T3-L1 preadipocytes. Arch Toxicol 2023; 97:1649-1658. [PMID: 37142754 PMCID: PMC10424724 DOI: 10.1007/s00204-023-03512-5] [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: 03/13/2023] [Accepted: 04/26/2023] [Indexed: 05/06/2023]
Abstract
Organotin chemicals (butyltins and phenyltins) are the most widely used organometallic chemicals worldwide and are used in industrial applications, such as biocides and anti-fouling paints. Tributyltin (TBT) and more recently, dibutyltin (DBT) and triphenyltin (TPT) have been reported to stimulate adipogenic differentiation. Although these chemicals co-exist in the environment, their effect in combination remains unknown. We first investigated the adipogenic effect of eight organotin chemicals (monobutyltin (MBT), DBT, TBT, tetrabutyltin (TeBT), monophenyltin (MPT), diphenyltin (DPT), TPT, and tin chloride (SnCl4)) in the 3T3-L1 preadipocyte cell line in single exposures at two doses (10 and 50 ng/ml). Only three out of the eight organotins induced adipogenic differentiation with TBT eliciting the strongest adipogenic differentiation (in a dose-dependent manner) followed by TPT and DBT, as demonstrated by lipid accumulation and gene expression. We then hypothesized that, in combination (TBT, DBT, and TPT), adipogenic effects will be exacerbated compared to single exposures. However, at the higher dose (50 ng/ml), TBT-induced differentiation was reduced by TPT and DBT when in dual or triple combination. We tested whether TPT or DBT would interfere with adipogenic differentiation stimulated by a peroxisome proliferator-activated receptor (PPARγ) agonist (rosiglitazone) or a glucocorticoid receptor agonist (dexamethasone). Both DBT50 and TPT50 reduced rosiglitazone-, but not dexamethasone-stimulated adipogenic differentiation. In conclusion, DBT and TPT interfere with TBT's adipogenic differentiation possibly via PPARγ signaling. These findings highlight the antagonistic effects among organotins and the need to understand the effects and mechanism of action of complex organotin mixtures on adipogenic outcomes.
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Affiliation(s)
- Elvis Ticiani
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA
| | - Yong Pu
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA
| | - Madison White
- Department of Animal Science, Michigan State University, East Lansing, MI, USA
| | - Victoria Adomshick
- Department of Animal Science, Michigan State University, East Lansing, MI, USA
| | - Almudena Veiga-Lopez
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA.
- Department of Animal Science, Michigan State University, East Lansing, MI, USA.
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14
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Graceli JB, da Costa CS, Laws MJ, Deviney ARK, Meling D, Flaws JA. Chronic exposure to a mixture of phthalates shifts the white and brown adipose tissue phenotypes in female mice. Toxicol Sci 2023; 193:204-218. [PMID: 37021957 PMCID: PMC10230284 DOI: 10.1093/toxsci/kfad032] [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] [Indexed: 04/07/2023] Open
Abstract
Phthalates are endocrine-disrupting chemicals used in consumer products. Although phthalates are obesogens and affect metabolic function, it is unknown if chronic exposure for 6 months to a phthalate mixture alters adipose tissue phenotype in female mice. After vehicle or mixture exposure, white adipose tissue and brown adipose tissue (WAT and BAT) were analyzed for expression of adipogenesis, proliferation, angiogenesis, apoptosis, oxidative stress, inflammation, and collagen deposition markers. The mixture altered WAT morphology, leading to an increase in hyperplasia, blood vessel number, and expression of BAT markers (Adipoq and Fgf2) in WAT. The mixture increased the expression of the inflammatory markers, Il1β, Ccl2, and Ccl5, in WAT. The mixture also increased expression of the proapoptotic (Bax and Bcl2) and antiapoptotic (Bcl2l10) factors in WAT. The mixture increased expression of the antioxidant Gpx1 in WAT. The mixture changed BAT morphology by increasing adipocyte diameter, whitening area, and blood vessel number and decreased expression of the thermogenic markers Ucp1, Pgargc1a, and Adrb3. Furthermore, the mixture increased the expression of adipogenic markers Plin1 and Cebpa, increased mast cell number, and increased Il1β expression in BAT. The mixture also increased expression of the antioxidant markers Gpx and Nrf2 and the apoptotic marker Casp2 in BAT. Collectively, these data indicate that chronic exposure to a phthalate mixture alters WAT and BAT lipid metabolism phenotypes in female mice, leading to an apparent shift in their normal morphology. Following long-term exposure to a phthalate mixture, WAT presented BAT-like features and BAT presented WAT-like features.
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Affiliation(s)
- Jones B Graceli
- Department of Morphology, Federal University of Espirito Santo, Vitoria, Brazil
| | - Charles S da Costa
- Department of Morphology, Federal University of Espirito Santo, Vitoria, Brazil
| | - Mary J Laws
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - Ashley R K Deviney
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - Daryl Meling
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
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15
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Ren X, Zhang X, Ma X, Liu H, Wang L. Triphenyltin (TPT) exposure causes SD rat liver injury via lipid metabolism disorder and ER stress revealed by transcriptome analysis. Toxicol Lett 2023; 381:60-71. [PMID: 37156404 DOI: 10.1016/j.toxlet.2023.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 04/05/2023] [Accepted: 05/04/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND TPT is an environmental endocrine disruptor that can interfere with endocrine function. However, whether TPT can cause damage to liver structure and function and abnormal lipid metabolism and whether it can cause ER stress is still unclear. OBJECTIVE To explore the effect of TPT on liver structure, function and lipid metabolism and whether ER stress occurs. METHODS Male SD rats were divided into 4 groups: control group (Ctrl group, TPT-L group (0.5mg/kg/d), TPT-M group (1mg/kg/d), and TPT-H group (2mg/kg/d). After 10 days of continuous gavage, HE staining was used to observe the morphological structure of liver tissue, serum biochemical indicators were detected, gene expression and functional enrichment analysis were performed by RNA-seq, Western Blot was used to detect the protein expression level of liver tissue, and qRT-PCR was used to detect the gene expression. RESULTS After TPT exposure, the liver structure damaged; serum TBIL, AST and m-AST levels were significantly increased in the TPT-M group, and serum TG levels were significantly decreased in the TPT-H group. TCHO and TG in liver tissues were significantly increased; transcriptomic analysis detected 105 differential genes. Enrichment analysis showed that TPT exposure mainly affected fatty acid metabolism and drug metabolism in liver tissue, and also affected the redox process of liver tissue; the protein expression levels of PPARα, PPARγ, AMPK, RXRα, IRE1α and PERK were significantly increased after TPT exposure; the expression levels of lipid metabolism-related genes Acsl1, Elovl5, Hmgcr, Hmgcs1 and Srebf1 were significantly increased in the TPT-L group, while in the TPT-M and TPT-H groups had no significant change. CONCLUSIONS TPT exposure can cause liver injury, lipid metabolism disorder and ER stress.
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Affiliation(s)
- Xijuan Ren
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Xuemin Zhang
- Bengbu Medical College Key Laboratory of Cancer Research and Clinical Laboratory Diagnosis, School of Laboratory Medicine, Bengbu Medical College, Bengbu, 233030, PR China
| | - Xingzhuang Ma
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China
| | - Hui Liu
- Bengbu Medical College Key Laboratory of Cancer Research and Clinical Laboratory Diagnosis, School of Laboratory Medicine, Bengbu Medical College, Bengbu, 233030, PR China.
| | - Li Wang
- School of Public Health, Bengbu Medical College, Bengbu 233030, PR China.
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16
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Chen P, Song Y, Tang L, Zhong W, Zhang J, Cao M, Chen J, Cheng G, Li H, Fan T, Kwok HF, Wang J, Yang C, Xiao W. Tributyltin chloride (TBTCL) induces cell injury via dysregulation of endoplasmic reticulum stress and autophagy in Leydig cells. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130785. [PMID: 36860030 DOI: 10.1016/j.jhazmat.2023.130785] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/30/2022] [Accepted: 01/11/2023] [Indexed: 06/18/2023]
Abstract
Tributyltin chloride (TBTCL), a commonly used antiseptic substance, is commonly found in the environment. Human exposure to TBTCL through the consumption of contaminated seafood, fish, or drinking water has aroused concern. It is well-characterized that TBTCL has multiple detrimental effects on the male reproductive system. However, the potential cellular mechanisms are not fully elucidated. Here, we characterized molecular mechanisms of TBTCL-induced cell injury in Leydig cells, a critical supporter for spermatogenesis. We showed that TBTCL induces apoptosis and cell cycle arrest in TM3 mouse Leydig cells. RNA sequencing analyses revealed that endoplasmic reticulum (ER) stress and autophagy were potentially involved in TBTCL-induced cytotoxicity. We further showed that TBTCL causes ER stress and inhibited autophagy flux. Notably, the inhibition of ER stress attenuates not only TBTCL-induces autophagy flux inhibition but also apoptosis and cell cycle arrest. Meanwhile, the activation of autophagy alleviates, and inhibition of autophagy exaggerates TBTCL-induced apoptosis and cell cycle arrest flux. These results suggest that TBTCL-induced ER stress and autophagy flux inhibition contributed to apoptosis and cell cycle arrest in Leydig cells, providing novel understanding into the mechanisms of TBTCL-induced testis toxicity.
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Affiliation(s)
- Pengchen Chen
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China
| | - Yali Song
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China
| | - Li Tang
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China
| | - Wenbin Zhong
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China
| | - JingJing Zhang
- Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China
| | - Min Cao
- Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China
| | - Junhui Chen
- Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China
| | - Guangqing Cheng
- Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Huiying Li
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China
| | - Tianyun Fan
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China
| | - Hang Fai Kwok
- Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Avenida de Universidade, Taipa, Macau
| | - Jigang Wang
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China; Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China; Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Chuanbin Yang
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China; Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China.
| | - Wei Xiao
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan, 523125, Guangdong, China; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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17
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Chen P, Chen J, Zhang W, Tang L, Cheng G, Li H, Fan T, Wang J, Zhong W, Song Y. Biochemical mechanisms of tributyltin chloride-induced cell toxicity in Sertoli cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114725. [PMID: 36924558 DOI: 10.1016/j.ecoenv.2023.114725] [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: 11/01/2022] [Revised: 02/27/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Tributyltin chloride (TBTCL) is a widely used fungicide and heat stabilizer in compositions of PVC. TBTCL has been detected in human bodies and potentially causes harmful effects on humans' thyroid, cardiovascular and other organs. As one of the first examples of endocrine disruptors, the toxicity effects of TBTCL on the male reproduction system have aroused concerns. However, the potential cellular mechanisms are not fully explored. In the current study, by using Sertoli cells, a critical regulator of spermatogenesis as a cell model, we showed that with 200 nM exposure for 24 h, TBTCL causes apoptosis and cell cycle arrest. RNA sequencing analyses suggested that TBTCL probably activates endoplasmic reticulum (ER) stress, and disrupts autophagy. Biochemical analysis showed that TBTCL indeed induces ER stress and the dysregulation of autophagy. Interestingly, activation of ER stress and inhibition of autophagy is responsible for TBTCL-induced apoptosis and cell cycle arrest. Our results thus uncovered a novel insight into the cellular mechanisms for TBTCL-induced toxicology in Sertoli cells.
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Affiliation(s)
- Pengchen Chen
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China; Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China
| | - Junhui Chen
- Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China
| | - Wei Zhang
- Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China
| | - Li Tang
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China
| | - Guangqing Cheng
- Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Huiying Li
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China
| | - Tianyun Fan
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China
| | - Jigang Wang
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China; Department of Nephrology, Shenzhen key Laboratory of Kidney Diseases, and Shenzhen Clinical Research Centre for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, China; Artemisinin Research Center, and Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Wenbin Zhong
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China.
| | - Yali Song
- Dongguan Maternal and Child Health Care Hospital, Postdoctoral Innovation Practice Base of Southern Medical University, Dongguan 523125, Guangdong, China.
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18
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Merlo E, Zimerman J, Dos Santos FCF, Zanol JF, da Costa CS, Carneiro PH, Miranda-Alves L, Warner GR, Graceli JB. Subacute and low dose of tributyltin exposure leads to brown adipose abnormalities in male rats. Toxicol Lett 2023; 376:26-38. [PMID: 36638932 PMCID: PMC9928871 DOI: 10.1016/j.toxlet.2023.01.003] [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: 05/16/2022] [Revised: 01/07/2023] [Accepted: 01/09/2023] [Indexed: 01/12/2023]
Abstract
Tributyltin (TBT) is an obesogenic endocrine disrupting chemical (EDC) linked with several metabolic complications. Brown adipose tissue (BAT) is the principal site for thermogenesis, making it a potential target for obesity management and metabolic disease. However, few studies have evaluated TBT effect on BAT function. In this investigation, we assessed whether subacute (15 days) and low dose of TBT exposure (100 ng/kg/day) results in abnormal BAT morphophysiology in adult male rats. Body temperature, BAT morphology, inflammation, oxidative stress, collagen deposition and BAT metabolic gene expression markers were assessed in room temperature (Room, ∼24 ºC) and after cold tolerance test (Cold, ∼4 ºC) conditions. A reduction in body temperature was observed in both Room and Cold conditions in TBT rats, suggesting abnormal BAT thermogenic function. Changes in BAT morphology were observed in TBT rats, with an increase in BAT lipid accumulation, an increase in BAT unilocular adipocyte number and a decrease in BAT multilocular adipocyte number in Room condition. All these parameters were opposite in Cold condition TBT rats, leading to a borderline increase in BAT UCP1 protein expression. An increase in BAT mast cell number was observed in TBT rats in Room condition. An increase in ED1 protein expression (macrophage marker) was observed in TBT rats in Cold condition. Oxidative stress and collagen deposition increased in both Room and Cold conditions in TBT rats. TBT exposure caused a borderline increase in BAT COL1A1 protein expression in Cold condition. Further, strong negative correlations were observed between body temperature and BAT lipid accumulation, and BAT lipid accumulation and multilocular adipocyte number. Thus, these data suggest that TBT exposure impaired BAT morphophysiology through impacts on lipid accumulation, inflammation, fibrosis and oxidative stress in male rats.
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Affiliation(s)
- Eduardo Merlo
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Jeanini Zimerman
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | | | - Jordana F Zanol
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Charles S da Costa
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Pedro H Carneiro
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil; Postgraduate Program in Endocrinology, School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, Ilha do Governador, Cidade Universitária, UFRJ, RJ, Brazil
| | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil; Postgraduate Program in Endocrinology, School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, Ilha do Governador, Cidade Universitária, UFRJ, RJ, Brazil
| | - Genoa R Warner
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, USA
| | - Jones B Graceli
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil.
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19
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Jozkowiak M, Piotrowska-Kempisty H, Kobylarek D, Gorska N, Mozdziak P, Kempisty B, Rachon D, Spaczynski RZ. Endocrine Disrupting Chemicals in Polycystic Ovary Syndrome: The Relevant Role of the Theca and Granulosa Cells in the Pathogenesis of the Ovarian Dysfunction. Cells 2022; 12:cells12010174. [PMID: 36611967 PMCID: PMC9818374 DOI: 10.3390/cells12010174] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most common heterogeneous endocrine disorder among women of reproductive age. The pathogenesis of PCOS remains elusive; however, there is evidence suggesting the potential contribution of genetic interactions or predispositions combined with environmental factors. Among these, endocrine disrupting chemicals (EDCs) have been proposed to potentially contribute to the etiology of PCOS. Granulosa and theca cells are known to cooperate to maintain ovarian function, and any disturbance can lead to endocrine disorders, such as PCOS. This article provides a review of the recent knowledge on PCOS pathophysiology, the role of granulosa and theca cells in PCOS pathogenesis, and the evidence linking exposure to EDCs with reproductive disorders such as PCOS.
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Affiliation(s)
- Malgorzata Jozkowiak
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
- Doctoral School, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland
| | - Hanna Piotrowska-Kempisty
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
- Department of Basic and Preclinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland
- Correspondence: ; Tel.: +48-61847-0721
| | - Dominik Kobylarek
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
| | - Natalia Gorska
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
| | - Paul Mozdziak
- Physiology Graduate Program, North Carolina State University, Raleigh, NC 27695, USA
- Prestage Department of Poultry Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Bartosz Kempisty
- Prestage Department of Poultry Sciences, North Carolina State University, Raleigh, NC 27695, USA
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, Chalubinskiego 6a, 50-368 Wroclaw, Poland
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland
| | - Dominik Rachon
- Department of Clinical and Experimental Endocrinology, Medical University of Gdansk, Debinki 7, 80-211 Gdansk, Poland
| | - Robert Z. Spaczynski
- Center for Gynecology, Obstetrics and Infertility Treatment Pastelova, Pastelowa 8, 60-198 Poznan, Poland
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20
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Bernal K, Touma C, Erradhouani C, Boronat-Belda T, Gaillard L, Al Kassir S, Le Mentec H, Martin-Chouly C, Podechard N, Lagadic-Gossmann D, Langouet S, Brion F, Knoll-Gellida A, Babin PJ, Sovadinova I, Babica P, Andreau K, Barouki R, Vondracek J, Alonso-Magdalena P, Blanc E, Kim MJ, Coumoul X. Combinatorial pathway disruption is a powerful approach to delineate metabolic impacts of endocrine disruptors. FEBS Lett 2022; 596:3107-3123. [PMID: 35957500 DOI: 10.1002/1873-3468.14465] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 01/14/2023]
Abstract
The prevalence of metabolic diseases, such as obesity, diabetes, metabolic syndrome and chronic liver diseases among others, has been rising for several years. Epidemiology and mechanistic (in vivo, in vitro and in silico) toxicology have recently provided compelling evidence implicating the chemical environment in the pathogenesis of these diseases. In this review, we will describe the biological processes that contribute to the development of metabolic diseases targeted by metabolic disruptors, and will propose an integrated pathophysiological vision of their effects on several organs. With regard to these pathomechanisms, we will discuss the needs, and the stakes of evolving the testing and assessment of endocrine disruptors to improve the prevention and management of metabolic diseases that have become a global epidemic since the end of last century.
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Affiliation(s)
- Kévin Bernal
- INSERM UMR-S 1124, Paris, France.,Université Paris Cité, France
| | - Charbel Touma
- Inserm, EHESP, Irset (Institut de recherche en santé environnement et travail) - UMR_S 1085, Université Rennes, France
| | - Chedi Erradhouani
- Université Paris Cité, France.,Ecotoxicologie des substances et des milieux, Parc ALATA, INERIS, Verneuil-en-Halatte, France
| | - Talía Boronat-Belda
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, Elche, Spain.,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Madrid, Spain
| | - Lucas Gaillard
- INSERM UMR-S 1124, Paris, France.,Université Paris Cité, France
| | - Sara Al Kassir
- Department of Life and Health Sciences, INSERM U1211, MRGM, University of Bordeaux, Pessac, France
| | - Hélène Le Mentec
- Inserm, EHESP, Irset (Institut de recherche en santé environnement et travail) - UMR_S 1085, Université Rennes, France
| | - Corinne Martin-Chouly
- Inserm, EHESP, Irset (Institut de recherche en santé environnement et travail) - UMR_S 1085, Université Rennes, France
| | - Normand Podechard
- Inserm, EHESP, Irset (Institut de recherche en santé environnement et travail) - UMR_S 1085, Université Rennes, France
| | - Dominique Lagadic-Gossmann
- Inserm, EHESP, Irset (Institut de recherche en santé environnement et travail) - UMR_S 1085, Université Rennes, France
| | - Sophie Langouet
- Inserm, EHESP, Irset (Institut de recherche en santé environnement et travail) - UMR_S 1085, Université Rennes, France
| | - François Brion
- Ecotoxicologie des substances et des milieux, Parc ALATA, INERIS, Verneuil-en-Halatte, France
| | - Anja Knoll-Gellida
- Department of Life and Health Sciences, INSERM U1211, MRGM, University of Bordeaux, Pessac, France
| | - Patrick J Babin
- Department of Life and Health Sciences, INSERM U1211, MRGM, University of Bordeaux, Pessac, France
| | - Iva Sovadinova
- RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Pavel Babica
- RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Karine Andreau
- INSERM UMR-S 1124, Paris, France.,Université Paris Cité, France
| | - Robert Barouki
- INSERM UMR-S 1124, Paris, France.,Université Paris Cité, France
| | - Jan Vondracek
- Institute of Biophysics of the Czech Academy of Sciences, Brno, Czech Republic
| | - Paloma Alonso-Magdalena
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universitas Miguel Hernández, Elche, Spain.,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Madrid, Spain
| | - Etienne Blanc
- INSERM UMR-S 1124, Paris, France.,Université Paris Cité, France
| | - Min Ji Kim
- INSERM UMR-S 1124, Paris, France.,Université Sorbonne Paris Nord, Bobigny, France
| | - Xavier Coumoul
- INSERM UMR-S 1124, Paris, France.,Université Paris Cité, France
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21
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Zanol JF, Niño OMS, da Costa CS, Zimerman J, Silva NP, Oliveira TM, Maas EMSWD, Dos Santos FCF, Miranda-Alves L, Graceli JB. High-refined carbohydrate diet alters different metabolic functions in female rats. Mol Cell Endocrinol 2022; 558:111774. [PMID: 36096379 DOI: 10.1016/j.mce.2022.111774] [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: 07/06/2022] [Revised: 08/29/2022] [Accepted: 09/01/2022] [Indexed: 12/15/2022]
Abstract
A diet containing refined carbohydrate (HCD) caused obesity and white adipose tissue (WAT) abnormalities, but it is unclear if HCD is linked with other metabolic dysfunctions in female models. Thus, we assessed whether HCD results in WAT, pancreas, liver, skeletal muscle (SM) and thyroid (TH) abnormalities in female rats. Female rats were fed with HCD for 15 days and metabolic morphophysiology, inflammation, oxidative stress (OS), and fibrosis markers were assessed. HCD rats presented large adipocytes, hyperleptinemia, and WAT OS. HCD caused irregular glucose metabolism, low insulin levels, and large pancreatic isle. Granulomas, reduced glycogen, and OS were observed in HCD livers. HCD caused hypertrophy and increased in glycogen in SM. HCD caused irregular TH morphophysiology, reduced colloid area and high T3 levels. In all selected tissues, inflammation and fibrosis were observed in HCD rats. Collectively, these data suggest that the HCD impairs metabolic function linked with irregularities in WAT, pancreas, liver, SM and TH in female rats.
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Affiliation(s)
- Jordana F Zanol
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Oscar M S Niño
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil; Faculty of Human Sciences and Education, Universidad de los Llanos, Villavicencio-Meta, Colombia
| | - Charles S da Costa
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Jeanini Zimerman
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Natalia P Silva
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Thalita M Oliveira
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | - Edgar M S W D Maas
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil
| | | | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil; Postgraduate Program in Endocrinology, School of Medicine, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, Ilha do Governador, Cidade Universitária, RJ, UFRJ, Brazil
| | - Jones B Graceli
- Department of Morphology, Federal University of Espírito Santo, Vitória, Brazil.
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22
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Kinin B1 receptor modulates mitochondrial activity responsivity in fasting and voluntary exercise. Life Sci 2022; 309:121034. [DOI: 10.1016/j.lfs.2022.121034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/22/2022]
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23
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Spindola Vilela CL, Damasceno TL, Thomas T, Peixoto RS. Global qualitative and quantitative distribution of micropollutants in the deep sea. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119414. [PMID: 35598814 DOI: 10.1016/j.envpol.2022.119414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 04/28/2022] [Accepted: 05/01/2022] [Indexed: 06/15/2023]
Abstract
Micropollutants (MPs) include a wide range of biological disruptors that can be toxic to wildlife and humans at very low concentrations (<1 μg/L). These mainly anthropogenic pollutants have been widely detected in different areas of the planet, including the deep sea, and have impacts on marine life. Because of this potential toxicity, the global distribution, quantity, incidence, and potential impacts of deep-sea MPs were investigated in a systematic review of the literature. The results showed that MPs have reached different zones of the ocean and are more frequently reported in the Northern Hemisphere, where higher concentrations are found. MPs are also concentrated in depths up to 3000 m, where they are also more frequently studied, but also extend deeper than 10,000 m. Potentially toxic metals (PTMs), polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane (DDTs), organotins, and polycyclic aromatic hydrocarbons (PAHs) were identified as the most prevalent and widely distributed MPs at ≥200 m depth. PTMs are widely distributed in the deep sea in high concentrations; aluminum is the most prevalent up to 3000 m depth, followed by zinc and copper. PCBs, organotins, hexachlorocyclohexanes (HCHs), PAHs, and phenols were detected accumulated in both organisms and environmental samples above legislated thresholds or known toxicity levels. Our assessment indicated that the deep sea can be considered a sink for MPs.
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Affiliation(s)
- Caren Leite Spindola Vilela
- Department of General Microbiology, Paulo de Goes Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Taissa Lopes Damasceno
- Department of General Microbiology, Paulo de Goes Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Torsten Thomas
- Centre for Marine Science and Innovation & School of Biological, Earth and Environmental Sciences, The University of New South Wales, Sydney, NSW, Australia
| | - Raquel Silva Peixoto
- Department of General Microbiology, Paulo de Goes Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Red Sea Research Center (RSRC), Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
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24
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Andrade MN, Melo-Paiva FD, Teixeira MP, Lima-Junior NCD, Soares P, Graceli JB, Carvalho DPD, Morris EAR, Ferreira ACF, Miranda-Alves L. Environmentally relevant dose of the endocrine disruptor tributyltin disturbs redox balance in female thyroid gland. Mol Cell Endocrinol 2022; 553:111689. [PMID: 35690288 DOI: 10.1016/j.mce.2022.111689] [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: 02/04/2022] [Revised: 05/26/2022] [Accepted: 05/30/2022] [Indexed: 10/18/2022]
Abstract
Tributyltin (TBT) is an endocrine disruptor used as a biocide in nautical paints. Even though many TBT effects in marine species are known, data in mammals are scarce, especially regarding the thyroid gland. The present study aimed to evaluate the effect of a subchronic exposure to TBT on thyroid oxidative stress of female Wistar rats. Rats received vehicle (control group), 200 or 1000 ng TBT/kg body weight/day for 40 days. After euthanasia, one part of the thyroids were collected in order to assess iodide uptake; activity and/or mRNA expression of thyroperoxidase (TPO) and dual oxidases (DUOXs); activity and/or mRNA expression of catalase, glutathione peroxidase, superoxide dismutase and NADPH oxidase 4 (CAT, GPx, SOD and NOX4); 4-hydroxynonenal (4-HNE) expression and total thiol groups levels; and mRNA expression of estrogen receptors alpha and beta (ERα and ERβ). The remaining part of the thyroid was processed for morphological analysis of estrogen receptor alpha (ERα) and for collagen deposition. Iodide uptake was not changed with treatments. TPO activity and expression were increased in the TBT1000 group (259.81% and 95.17%). The activity, but not mRNA, of CAT (17.36% TBT200; 27.10% TBT1000) and GPx (29.24% TBT200; 28.97% TBT1000) were decreased by TBT. SOD and NADPH oxidase activity, as well as thiol group and 4-HNE levels remained unchanged. Interstitial collagen deposition increased in the TBT200 group (39.54%). The mRNA expression of ERα increased in TBT-treated rats (44.87% TBT200; 36.43% TBT1000), while protein expression was increased but not reaching significance (TBT1000, p = 0.056) by TBT. Therefore, our results show that TBT increases TPO expression and reduces antioxidant enzyme activities in the thyroid gland leading to oxidative stress. Some of these effects could be mediated by the ERα pathway.
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Affiliation(s)
- Marcelle Novaes Andrade
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil
| | - Francisca Diana Melo-Paiva
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Mariana Pires Teixeira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Niedson Correia de Lima-Junior
- Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Paula Soares
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Departamento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Jones Bernardes Graceli
- Laboratório de Endocrinologia e Toxicologia Celular, Departamento de Morfologia, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Denise Pires de Carvalho
- Programa de 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
| | - Eduardo Andrès Rios Morris
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Andrea Claudia Freitas Ferreira
- Programa de 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; Núcleo Multidisciplinar em Pesquisa em Biologia Experimental - NUMPEX-Bio, Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leandro Miranda-Alves
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Ciências Morfológicas, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil.
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25
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Yang J, Chan K, Choi C, Yang A, Lo K. Identifying Effects of Urinary Metals on Type 2 Diabetes in U.S. Adults: Cross-Sectional Analysis of National Health and Nutrition Examination Survey 2011–2016. Nutrients 2022; 14:nu14081552. [PMID: 35458113 PMCID: PMC9031490 DOI: 10.3390/nu14081552] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/06/2022] [Accepted: 04/06/2022] [Indexed: 12/19/2022] Open
Abstract
Growing evidence supports the associations of metal exposures with risk of type 2 diabetes (T2D), but the methodological limitations overlook the complexity of relationships within the metal mixtures. We identified and estimated the single and combined effects of urinary metals and their interactions with prevalence of T2D among 3078 participants in the NHANES 2011–2016. We analyzed 15 urinary metals and identified eight metals by elastic-net regression model for further analysis of the prevalence of T2D. Bayesian kernel machine regression and the weighted quantile sum (WQS) regression models identified four metals that had greater importance in T2D, namely cobalt (Co), tin (Sn), uranium (U) and strontium (Sr). The overall OR of T2D was 1.05 (95% CI: 1.01–1.08) for the positive effects and 1.00 (95% CI: 0.98–1.02) for the negative effect in the WQS models. We observed positive (Poverall = 0.008 and Pnon-linear = 0.100 for Co, Poverall = 0.011 and Pnon-linear = 0.138 for Sn) and inverse (Poverall = 0.001, Pnon-linear = 0.209 for Sr) linear dose–response relationships with T2D by restricted cubic spline analysis. Both additive and multiplicative interactions were found in urinary Sn and Sr. In conclusion, urinary Co, Sn, U and Sr played important roles in the development of T2D. The levels of Sn might modify the effect of Sr on T2D risk.
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Affiliation(s)
- Jingli Yang
- College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China;
| | - Kayue Chan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China; (K.C.); (C.C.)
| | - Cheukling Choi
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China; (K.C.); (C.C.)
| | - Aimin Yang
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong SAR, China
- Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Hong Kong SAR, China
- Correspondence: (A.Y.); (K.L.)
| | - Kenneth Lo
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, China; (K.C.); (C.C.)
- Research Institute for Smart Ageing, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Correspondence: (A.Y.); (K.L.)
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26
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Rodrigues-Pereira P, Andrade MN, Santos-Silva AP, Teixeira MP, Soares P, Graceli JB, de Carvalho DP, Dias GRM, Ferreira ACF, Miranda-Alves L. Subacute and low-dose tributyltin exposure disturbs the mammalian hypothalamus-pituitary-thyroid axis in a sex-dependent manner. Comp Biochem Physiol C Toxicol Pharmacol 2022; 254:109279. [PMID: 35077874 DOI: 10.1016/j.cbpc.2022.109279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/03/2022]
Abstract
Tributyltin (TBT) is an endocrine disruptor chemical (EDC) capable of altering the proper function of the hypothalamus-pituitary thyroid (HPT) axis. This study aimed to evaluate the subacute effects of TBT on the HPT axis of male and female rats. A dose of 100 ng/kg/day TBT was used in both sexes over a 15-day period, and the morphophysiology and gene expression of the HPT axis were assessed. TBT exposure increased the body weight in both sexes, while food efficiency increased - only in male rats. It was also possible to note alterations in the thyroid, with the presence of a stratified epithelium, cystic degeneration, and increased interstitial collagen deposition. A reduction in T3 and T4 levels was only observed in TBT male rats. A reduction in TSH levels was observed in TBT female rats. Evaluating mRNA expression, we observed a decrease in hepatic D1 and TRH mRNA levels in TBT female rats. An increase in D2 mRNA expression in the hypothalamus was observed in TBT male rats. Additionally, no significant changes in TRH or hepatic D1 mRNA expression in TBT male rats or in hypothalamic D1 and D2 mRNA expression in TBT female rats were observed. Thus, we can conclude that TBT has different toxicological effects on male and female rats by altering thyroid gland morphophysiology, leading to abnormal HPT axis function, and even at subacute and low doses, it may be involved in complex endocrine and metabolic disorders.
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Affiliation(s)
- Paula Rodrigues-Pereira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Marcelle Novaes Andrade
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil
| | - Ana Paula Santos-Silva
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Núcleo Interdisciplinar NUMPEX, Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana Pires Teixeira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Paula Soares
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Departamento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Jones Bernardes Graceli
- Laboratório de Toxicologia e Endocrinologia, Departamento de Morfologia, Universidade Federal do Espírito Santo, Brazil
| | - Denise Pires de Carvalho
- Programa de 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
| | - Glaecir Roseni Mundstock Dias
- Programa de 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
- Núcleo Interdisciplinar NUMPEX, Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, 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
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil.
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Ferraz da Silva I, Merlo E, Costa CS, Graceli JB, Rodrigues LCM. Tributyltin Exposure Is Associated With Recognition Memory Impairments, Alterations in Estrogen Receptor α Protein Levels, and Oxidative Stress in the Brain of Female Mice. FRONTIERS IN TOXICOLOGY 2022; 3:654077. [PMID: 35295135 PMCID: PMC8915859 DOI: 10.3389/ftox.2021.654077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/05/2021] [Indexed: 01/18/2023] Open
Abstract
Tributyltin (TBT) is a persistent organometallic pollutant widely used in several agricultural and industrial processes. TBT exposure is associated with various metabolic, reproductive, immune, and cardiovascular abnormalities. However, few studies have evaluated the effects of TBT on behavior. In the present study, we aimed to investigate whether TBT exposure results in oxidative, neuroendocrine, and behavioral alterations. TBT was administered to adult female mice (250, 500, or 750 ng/kg/day or veh for 14 days), and their recognition memory was assessed. We have also evaluated estrogen receptor (ER)α protein expression and oxidative stress (OS) in brain areas related to memory, as well as the correlation between them. A reduction in short- and long-term recognition memory (STM and LTM) performance, as well as in total exploration time was observed in TBT mice. Reduced ERα protein expression was observed in the prefrontal cortex (PFC) and hippocampus of TBT mice, while an increase in TBARS concentration was observed in the PFC of treated animals. Collectively, these data suggest that TBT exposure impairs recognition memory in female mice as a result of, at least in part, its toxicological effects on ERα expression and OS in specific brain areas related to memory.
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Affiliation(s)
- Igor Ferraz da Silva
- Laboratory of Neurotoxicology and Psychopharmacology, Department of Physiological Sciences, Federal University of Espírito Santo, Vitoria, Brazil
| | - Eduardo Merlo
- Laboratory of Endocrinology and Cellular Toxicology, Department of Morphology, Federal University of Espírito Santo, Vitoria, Brazil
| | - Charles S Costa
- Laboratory of Endocrinology and Cellular Toxicology, Department of Morphology, Federal University of Espírito Santo, Vitoria, Brazil
| | - Jones B Graceli
- Laboratory of Endocrinology and Cellular Toxicology, Department of Morphology, Federal University of Espírito Santo, Vitoria, Brazil
| | - Lívia C M Rodrigues
- Laboratory of Neurotoxicology and Psychopharmacology, Department of Physiological Sciences, Federal University of Espírito Santo, Vitoria, Brazil
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Martyniuk CJ, Martínez R, Navarro-Martín L, Kamstra JH, Schwendt A, Reynaud S, Chalifour L. Emerging concepts and opportunities for endocrine disruptor screening of the non-EATS modalities. ENVIRONMENTAL RESEARCH 2022; 204:111904. [PMID: 34418449 PMCID: PMC8669078 DOI: 10.1016/j.envres.2021.111904] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/22/2021] [Accepted: 08/16/2021] [Indexed: 05/15/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are ubiquitous in the environment and involve diverse chemical-receptor interactions that can perturb hormone signaling. The Organization for Economic Co-operation and Development has validated several EDC-receptor bioassays to detect endocrine active chemicals and has established guidelines for regulatory testing of EDCs. Focus on testing over the past decade has been initially directed to EATS modalities (estrogen, androgen, thyroid, and steroidogenesis) and validated tests for chemicals that exert effects through non-EATS modalities are less established. Due to recognition that EDCs are vast in their mechanisms of action, novel bioassays are needed to capture the full scope of activity. Here, we highlight the need for validated assays that detect non-EATS modalities and discuss major international efforts underway to develop such tools for regulatory purposes, focusing on non-EATS modalities of high concern (i.e., retinoic acid, aryl hydrocarbon receptor, peroxisome proliferator-activated receptor, and glucocorticoid signaling). Two case studies are presented with strong evidence amongst animals and human studies for non-EATS disruption and associations with wildlife and human disease. This includes metabolic syndrome and insulin signaling (case study 1) and chemicals that impact the cardiovascular system (case study 2). This is relevant as obesity and cardiovascular disease represent two of the most significant health-related crises of our time. Lastly, emerging topics related to EDCs are discussed, including recognition of crosstalk between the EATS and non-EATS axis, complex mixtures containing a variety of EDCs, adverse outcome pathways for chemicals acting through non-EATS mechanisms, and novel models for testing chemicals. Recommendations and considerations for evaluating non-EATS modalities are proposed. Moving forward, improved understanding of the non-EATS modalities will lead to integrated testing strategies that can be used in regulatory bodies to protect environmental, animal, and human health from harmful environmental chemicals.
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Affiliation(s)
- Christopher J Martyniuk
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, College of Veterinary Medicine, University of Florida, Gainesville, FL, 32611, USA.
| | - Rubén Martínez
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya, 08034, Spain
| | - Laia Navarro-Martín
- Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona, Catalunya, 08034, Spain
| | - Jorke H Kamstra
- Institute for Risk Assessment Sciences, Department of Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, the Netherlands
| | - Adam Schwendt
- Division of Experimental Medicine, School of Medicine, Faculty of Medicine and Biomedical Sciences, McGill University, 850 Sherbrooke Street, Montréal, Québec, H3A 1A2, Canada; Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 Chemin Cote Ste Catherine, Montréal, Québec, H3T 1E2, Canada
| | - Stéphane Reynaud
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000, Grenoble, France
| | - Lorraine Chalifour
- Division of Experimental Medicine, School of Medicine, Faculty of Medicine and Biomedical Sciences, McGill University, 850 Sherbrooke Street, Montréal, Québec, H3A 1A2, Canada; Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 Chemin Cote Ste Catherine, Montréal, Québec, H3T 1E2, Canada
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Jia X, Zhang L, Zhao J, Ren M, Li Z, Wang J, Wang S, Liu Y, An H, Li Y, Yan L, Li Z, Liu X, Pan B, Ye R. Associations between endocrine-disrupting heavy metals in maternal hair and gestational diabetes mellitus: A nested case-control study in China. ENVIRONMENT INTERNATIONAL 2021; 157:106770. [PMID: 34314978 DOI: 10.1016/j.envint.2021.106770] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 07/02/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Exposure to environmental endocrine disruptors (EDCs) may lead to abnormal glucose metabolism and, potentially, gestational diabetes mellitus (GDM). OBJECTIVE We investigated the association between five endocrine-disrupting heavy metals (EDHMs), i.e., arsenic (As), cadmium (Cd), lead (Pb), mercury (Hg), and tin (Sn), in maternal hair and the risk of GDM. METHODS We conducted a nested case-control study including 335 GDM cases and 343 controls without GDM based on a prospective birth cohort established in Beijing, China. Concentrations of EDHMs were analyzed in maternal hair. Log-binomial regression and multiple linear regression were used to estimate the associations between the hair concentrations of single metals and the risk of GDM, while weighted quantile sum (WQS) regression for their mixed effects. RESULTS The median concentrations of Hg (0.442 vs. 0.403 μg/g) and Sn (0.171 vs. 0.140 μg/g) in the case group were significantly higher than those in the control group. No differences were found between the two groups for the other three metals. After adjusting for confounders, the prevalence ratio (PR; highest vs. lowest tertile) of GDM risk for Hg was 1.27 (95% confidence interval [CI]: 1.05-1.54), while that for Sn was 1.26 (95% CI: 1.04-1.53). Among women with a body mass index < 24 kg/m2, the PR (highest vs. lowest tertile) of GDM for Sn was 1.38 (95% CI: 1.09-1.75). The effect of exposure to the five EDHMs on the risk of GDM was estimated by WQS regression: Sn and Hg made the largest contributions to the WQS index (40.9% and 40.3%, respectively). CONCLUSION High maternal levels of EDHMs, particularly Sn and Hg, may promote the development of GDM.
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Affiliation(s)
- Xiaoqian Jia
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Le Zhang
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Jing Zhao
- Department of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650051, PR China
| | - Mengyuan Ren
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Zewu Li
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Jiamei Wang
- Department of Obstetrics and Gynecology, Haidian Maternal and Child Care Hospital, Beijing 100101, PR China
| | - Shuo Wang
- Department of Obstetrics and Gynecology, Haidian Maternal and Child Care Hospital, Beijing 100101, PR China
| | - Yingying Liu
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Hang An
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Yuhuan Li
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Lailai Yan
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing 100191, PR China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
| | - Xiaohong Liu
- Department of Obstetrics and Gynecology, Haidian Maternal and Child Care Hospital, Beijing 100101, PR China.
| | - Bo Pan
- Department of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650051, PR China.
| | - Rongwei Ye
- Institute of Reproductive and Child Health, Peking University/ Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
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30
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Barbosa KL, Dettogni RS, Costa CS, Gastal EL, Raetzman LT, Flaws JA, Graceli JB. Tributyltin and the female hypothalamic-pituitary-gonadal disruption. Toxicol Sci 2021; 186:179-189. [PMID: 34850235 DOI: 10.1093/toxsci/kfab141] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The hypothalamic-pituitary-gonadal (HPG) axis is the principal modulator of reproductive function. Proper control of this system relies on several hormonal pathways, which make the female reproductive components susceptible to disruption by endocrine-disrupting chemicals such as tributyltin (TBT). Here, we review the relevant research on the associations between TBT exposure and dysfunction of the female HPG axis components. Specifically, TBT reduced hypothalamic gonadotropin-releasing hormone (GnRH) expression and gonadotropin release, and impaired ovarian folliculogenesis, steroidogenesis, and ovulation, at least in part, by causing abnormal sensitivity to steroid feedback mechanisms and deleterious ovarian effects. This review covers studies using environmentally relevant doses of TBT in vitro (1 ng-20 ng/mL) and in vivo (10 ng-20 mg/Kg) in mammals. The review also includes discussion of important gaps in the literature and suggests new avenue of research to evaluate the possible mechanisms underlying TBT-induced toxicity in the HPG axis. Overall, the evidence indicates that TBT exposure is associated with toxicity to the components of the female reproductive axis. Further studies are needed to better elucidate the mechanisms through which TBT impairs the ability of the HPG axis to control reproduction.
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Affiliation(s)
- Kayke L Barbosa
- Dept of Morphology, Federal University of Espirito Santo, Brazil
| | | | - Charles S Costa
- Dept of Morphology, Federal University of Espirito Santo, Brazil
| | - Eduardo L Gastal
- Animal Science, School of Agricultural Sciences, Southern Illinois University, Carbondale, IL, USA
| | - Lori T Raetzman
- Dept of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jodi A Flaws
- Dept. of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jones B Graceli
- Dept of Morphology, Federal University of Espirito Santo, Brazil
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Freitas-Lima LC, Budu A, Estrela GR, da Silva TA, Arruda AC, de Carvalho Araujo R. Metabolic fasting stress is ameliorated in Kinin B1 receptor-deficient mice. Life Sci 2021; 294:120007. [PMID: 34600938 DOI: 10.1016/j.lfs.2021.120007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/23/2021] [Accepted: 09/26/2021] [Indexed: 10/20/2022]
Abstract
The liver has an essential role in responding to metabolic demands under stress conditions. The organ stores, releases, and recycles metabolism-related substrates. However, it is not clear how the Kallikrein-Kinin System modulates metabolic flexibility shift between energetic sources. AIMS To analyze the hepatic metabolism in kinin B1 receptor deficient mice (B1KO mice) under fasting conditions. MAIN METHODS WT and B1KO male mice were allocated in a calorimetric cage for 7 days and 48 h before the euthanasia, half of the animals of both groups were under fasting conditions. Biochemical parameters, ketone bodies (KB), and gene expression involving the liver energetic metabolism genes were evaluated. KEY FINDINGS Kinin B1 receptor (B1R) modulates the metabolic shift under fasting conditions, reducing the VO2 expenditure. A preference for carbohydrates as an energetic source is suggested, as the B1KO group did not display an increase in KB in the serum. Moreover, the B1KO animals displayed higher serum triglycerides concentration compared to WT fasting mice. Interestingly, the lack of B1R induces the increase expression of enzymes from the glycolysis and lipolysis pathways under the fed. However, under fasting, the enzymatic expression of gluconeogenesis, glyceroneogenesis, and ketogenesis of these pathways does not occur, suggesting an absence of the shift metabolism responsivity, and this condition is modulated by PDK4 under FOXO1 control. SIGNIFICANCE B1R has an important role in the hepatic glucose metabolism, which in turn influences the energetic metabolism, and in long-term outcomes, such as in the decrease in hepatic glycogen stores and in the enhancement of hepatic metabolism.
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Affiliation(s)
| | - Alexandre Budu
- Department of Biophysics, Federal University of São Paulo, 04039032 São Paulo, Brazil.
| | - Gabriel Rufino Estrela
- Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo, Brazil; Department of Clinical and Experimental Oncology, Discipline of Hematology and Hematotherapy, Federal University of São Paulo, 04037002 São Paulo, Brazil.
| | - Thais Alves da Silva
- Department of Biophysics, Federal University of São Paulo, 04039032 São Paulo, Brazil.
| | - Adriano Cleis Arruda
- Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo, Brazil
| | - Ronaldo de Carvalho Araujo
- Department of Biophysics, Federal University of São Paulo, 04039032 São Paulo, Brazil; Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo, Brazil.
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Jiang P, Yuan GH, Jiang BR, Zhang JY, Wang YQ, Lv HJ, Zhang Z, Wu JL, Wu Q, Li L. Effects of microplastics (MPs) and tributyltin (TBT) alone and in combination on bile acids and gut microbiota crosstalk in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 220:112345. [PMID: 34020283 DOI: 10.1016/j.ecoenv.2021.112345] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 06/12/2023]
Abstract
Microplastics (MPs) and tributyltin (TBT) are both potential environmental pollutants that enter organisms through the food chain and affect bodily functions. However, the effects and mechanisms of MPs and TBT exposure (especially the co-exposure of both pollutants) on mammals remain unclear. In this study, Ф5μm MPs (5MP) was administered alone or in combination with TBT to investigate the health risk of oral exposure in mice. All three treatments induced inflammation in the liver, altered gut microbiota composition and disturbed fecal bile acids profiles. In addition to decreasing triglyceride (TG) and increasing aspartate aminotransferase (AST) and macrophage-expressed gene 1 (Mpeg1), 5MP induced hepatic cholestasis by stimulating the expression of the cholesterol hydroxylase enzymes CYP8B1 and CYP27A1, and inhibiting multidrug resistance-associated protein 2 and 3 (MRP2, MRP3), and bile-salt export pump (BSEP) to prevent bile acids for entering the blood and bile. Correspondingly, 5MP treatment decreased 7-ketolithocholic acid (7-ketoLCA) and taurocholic acid (TCA), which were positively correlated with decreased Bacteroides and Marvinbryantia and negatively correlated with increased Bifidobacterium. In addition, TBT increased interferon γ (IFNγ) and Mpeg1 levels to induce inflammation, accompanied by decreased 7-ketoLCA, tauro-alpha-muricholic acid (T-alpha-MCA) and alpha-muricholic acid (alpha-MCA) levels, which were negatively related to Coriobacteriaceae_UCG-002 and Bifidobacterium. Co-exposure to 5MP and TBT also decreased TG and induced bile acids accumulation in the liver due to inhibited BSEP, which might be attributed to the co-regulation of decreased T-alpha-MCA and Harryflintia. In conclusion, the administration of 5MP and TBT alone and in combination could cause gut microbiome dysbiosis and subsequently alter bile acids profiles, while the combined exposure of 5MP and TBT weakened the toxic effects of 5MP and TBT alone.
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Affiliation(s)
- Ping Jiang
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China; Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Ge-Hui Yuan
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Bao-Rong Jiang
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Jing-Yi Zhang
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Yu-Qian Wang
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Hui-Jie Lv
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Zhan Zhang
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China; Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Jia-Lin Wu
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Qian Wu
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China; Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China
| | - Lei Li
- Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China; Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing, Jiangsu 211166, PR China.
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Sarmento IV, Merlo E, Meyrelles SS, Vasquez EC, Warner GR, Gonsioroski A, De La Torre K, Meling DD, Flaws JA, Graceli JB. Subchronic and Low Dose of Tributyltin Exposure Leads to Reduced Ovarian Reserve, Reduced Uterine Gland Number, and Other Reproductive Irregularities in Female Mice. Toxicol Sci 2021; 176:74-85. [PMID: 32239163 DOI: 10.1093/toxsci/kfaa045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Tributyltin (TBT) chloride is an endocrine disrupting chemical associated with reproductive complications. Studies have shown that TBT targets the reproductive tract, impairing ovarian folliculogenesis, and uterine morphophysiology. In this investigation, we assessed whether subchronic and low dose of TBT exposure results in abnormal ovarian follicular reserve and other irregularities in female mice. TBT was administered to female mice (500 ng/kg/day for 12 days via gavage), and reproductive tract morphophysiology was assessed. We further assessed reproductive tract inflammation and oxidative stress. Improper functioning of the reproductive tract in TBT mice was observed. Specifically, irregular estrous cyclicity and abnormal ovarian morphology coupled with reduction in primordial and primary follicle numbers was observed, suggesting ovarian reserve depletion. In addition, improper follicular development and a reduction in antral follicles, corpora lutea, and total healthy ovarian follicles together with an increase in cystic follicles were apparent. Evidence of uterine atrophy, reduction in endometrial gland number, and inflammation and oxidative stress were seen in TBT mice. Further, strong negative correlations were observed between testosterone levels and primordial, primary, and total healthy ovarian follicles. Thus, these data suggest that the subchronic and low dose of TBT exposure impaired ovarian follicular reserve, uterine gland number, and other reproductive features in female mice.
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Affiliation(s)
| | | | - Silvana S Meyrelles
- Department of Physiology, Federal University of Espirito Santo, Vitoria, ES, Brazil
| | - Elisardo C Vasquez
- Department of Physiology, Federal University of Espirito Santo, Vitoria, ES, Brazil
| | - Genoa R Warner
- Department of Comparative Biosciences, University of Illinois, Urbana, Illinois
| | | | - Kathy De La Torre
- Department of Comparative Biosciences, University of Illinois, Urbana, Illinois
| | - Daryl D Meling
- Department of Comparative Biosciences, University of Illinois, Urbana, Illinois
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, Illinois
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Zanol JF, Niño OMS, da Costa CS, Freitas-Lima LC, Miranda-Alves L, Graceli JB. Tributyltin and high-refined carbohydrate diet lead to metabolic and reproductive abnormalities, exacerbating premature ovary failure features in the female rats. Reprod Toxicol 2021; 103:108-123. [PMID: 34102259 DOI: 10.1016/j.reprotox.2021.06.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/20/2021] [Accepted: 06/02/2021] [Indexed: 12/30/2022]
Abstract
Exposure to the obesogen tributyltin (TBT) alone or high carbohydrate diet (HCD) alone leads to obesity and reproductive complications, such as premature ovary failure (POF) features. However, little is known about interactions between TBT and nutrition and their combined impact on reproduction. In this study, we assessed whether acute TBT and HCD exposure results in reproductive and metabolic irregularities. Female rats were treated with TBT (100 ng/kg/day) and fed with HCD for 15 days and metabolic and reproductive outcomes were assessed. TBT and HCD rats displayed metabolic impairments, such as increased adiposity, abnormal lipid profile and triglyceride and glucose (TYG) index, worsening adipocyte hypertrophy in HCD-TBT rats. These metabolic consequences were linked with reproductive disorders. Specifically, HCD-TBT rats displayed irregular estrous cyclicity, high follicle-stimulating hormone (FSH) levels, low anti-Müllerian hormone (AMH) levels, reduction in ovarian reserve, and corpora lutea (CL) number, with increases in atretic follicles, suggesting that HCD-TBT exposure exacerbated POF features. Further, strong negative correlations were observed between adipocyte hypertrophy and ovarian reserve, CL number and AMH levels. HCD-TBT exposure resulted in reproductive tract inflammation and fibrosis. Collectively, these data suggest that TBT plus HCD exposure leads to metabolic and reproductive abnormalities, exacerbating POF features in female rats.
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Affiliation(s)
- Jordana F Zanol
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo, Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Oscar M S Niño
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo, Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil; Bachelor of Physical Education and Sports, Faculty of Human Sciences and Education, Universidad de los Llanos, Villavicencio-Meta, Colombia.
| | - Charles S da Costa
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo, Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Leandro C Freitas-Lima
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo, Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil; Postgraduate Program in Endocrinology, School of Medicine, Federal University of Rio de Janeiro. Av. Carlos Chagas Filho, Ilha do Governador, Cidade Universitária, RJ, UFRJ, Brazil.
| | - Jones B Graceli
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo, Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
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Giannattasio R, Lisco G, Giagulli VA, Settembrini S, De Pergola G, Guastamacchia E, Lombardi G, Triggiani V. Bone Disruption and Environmental Pollutants. Endocr Metab Immune Disord Drug Targets 2021; 22:704-715. [PMID: 33461478 DOI: 10.2174/1871530321666210118163538] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/06/2020] [Accepted: 11/24/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Endocrine Disrupting Chemicals (EDCs) are ubiquitous and may significantly contribute in environmental pollution, thus contaminating humans and wildlife. Environmental pollutants could interfere with bone homeostasis by means of different mechanisms, which include hormonal imbalance, direct osteoblasts toxicity and enanchment of osteoclasts activity, thus leading to osteopenia or osteoporosis. Among these, bisphenols, dioxins, polycyclic aromatic hydrocarbons, polychlorobiphenyls, poly- and perfluoroalkyls, phthalates, parabens, organotins and cadmium may play a role in bone distuption. METHODS PubMed/MEDLINE, ISI-web of knowledge and Google scholar databases were searched for medical subject headings terms and free-text word related to the aforementioned classes of chemicals and bone metabolism and remodelling for better clarifying and understanding the main mechanisms of bone disruption. RESULTS Several of EDCs act as xenoestrogens. Considering that estrogens play a significant role in regulating bone remodeling, most of these chemicals generate hormonal imbalance with possible detrimental consequences on bone tissue structure and its mechanical and non-mechanical properties. DISCUSSION A lot of evidences about bone distruptors came from in vitro studies or animal models, and conduct to equivocal results. In addition, a few data derived form humans and most of these data focused on the impact of EDCs on bone mineral density without considering their influence on long-term fracture risk. Moreover, it should be taken into account that humans are exposed to a mixture of EDCs and the final effect on bone metabolism might be the result of either a synergism or antagonist effects among them. Age of first exposure, cumulative dose exposure over time, and the usually observed non-monotonic dose-response curve for EDCs should be considered as other important variable influencing the final effect on bone metabolism. CONCLUSION Taking into account these variables, observational studies are needed to better analyze this issue both for echological purpose and to preserve bone health.
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Affiliation(s)
- Raffaele Giannattasio
- ASL Napoli 1 Centro, DS 29, SPS San Gennaro, Service of Endocrinology, Via San Gennaro dei Poveri 25, 80136, Naples. Italy
| | - Giuseppe Lisco
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
| | - Vito Angelo Giagulli
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
| | - Silvio Settembrini
- ASL Napoli 1 Centro, DS 26, Metabolic, Endocrine and Diabetes Unit Pellegrini Hospital, Naples. Italy
| | - Giovanni De Pergola
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine and Clinical Oncology, University of Bari Aldo Moro, Piazza Giulio Cesare 11, 70124 Bari. Italy
| | - Edoardo Guastamacchia
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
| | | | - Vincenzo Triggiani
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
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Le Magueresse-Battistoni B. Adipose Tissue and Endocrine-Disrupting Chemicals: Does Sex Matter? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249403. [PMID: 33333918 PMCID: PMC7765367 DOI: 10.3390/ijerph17249403] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/10/2020] [Accepted: 12/14/2020] [Indexed: 12/21/2022]
Abstract
Obesity and metabolic-related diseases, among which diabetes, are prominent public health challenges of the 21st century. It is now well acknowledged that pollutants are a part of the equation, especially endocrine-disrupting chemicals (EDCs) that interfere with the hormonal aspect. The aim of the review is to focus on adipose tissue, a central regulator of energy balance and metabolic homeostasis, and to highlight the significant differences in the endocrine and metabolic aspects of adipose tissue between males and females which likely underlie the differences of the response to exposure to EDCs between the sexes. Moreover, the study also presents an overview of several mechanisms of action by which pollutants could cause adipose tissue dysfunction. Indeed, a better understanding of the mechanism by which environmental chemicals target adipose tissue and cause metabolic disturbances, and how these mechanisms interact and sex specificities are essential for developing mitigating and sex-specific strategies against metabolic diseases of chemical origin. In particular, considering that a scenario without pollutant exposure is not a realistic option in our current societies, attenuating the deleterious effects of exposure to pollutants by acting on the gut-adipose tissue axis may constitute a new direction of research.
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Affiliation(s)
- Brigitte Le Magueresse-Battistoni
- Univ-Lyon, CarMeN Laboratory, INSERM U1060, INRAé U1397, Université Claude Bernard Lyon1, F-69310 Pierre-Bénite, France; ; Tel.: +33-(0)-426235919; Fax: +33-(0)-426235916
- CarMeN Laboratory, INSERM U1060, Hopital Lyon-Sud, Bâtiment CENS ELI-2D, 165 Chemin du Grand Revoyet, 69310 Pierre-Bénite, France
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Yuan GH, Zhang Z, Gao XS, Zhu J, Guo WH, Wang L, Ding P, Jiang P, Li L. Gut microbiota-mediated tributyltin-induced metabolic disorder in rats. RSC Adv 2020; 10:43619-43628. [PMID: 35519721 PMCID: PMC9058259 DOI: 10.1039/d0ra07502g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 11/13/2020] [Indexed: 12/28/2022] Open
Abstract
Tributyltin (TBT), an environmental pollutant widely used in antifouling coatings, can cause multiple-organ toxicity and gut microbiome dysbiosis in organisms, and can even cause changes in the host metabolomic profiles. However, little is known about the underlying effects and links of TBT-induced metabolic changes and gut microbiome dysbiosis. In this study, rats were exposed to TBT at a dose of 100 μg kg-1 body weight (BW) for 38 days, followed by multi-omics analysis, including microbiome, metabolomics, and metallomics. Results showed that TBT exposure reduced rat weight gain and decreased the serum triglyceride (TG) level. Metabolic analysis revealed that TBT fluctuated linoleic acid metabolism and glycerophospholipid metabolism in the liver; the tricarboxylic acid cycle (TCA cycle), nicotinate and nicotinamide metabolism, and arachidonic acid metabolism in serum; glycine, serine, and threonine metabolism, the one carbon pool by folate, nicotinate, and nicotinamide metabolism; and tryptophan metabolism in feces. Furthermore, TBT treatment dictated liver inflammation due to enhancing COX-2 expression by activating protein kinase R-like ER kinase (PERK) and C/EBP homologous protein (CHOP) to induce endoplasmic reticulum (ER) stress instead of stimulating arachidonic acid metabolism. Meanwhile, alteration of the intestinal flora [Acetivibrio]_ethanolgignens_group, Acetatifactor, Eisenbergiella, Lachnospiraceae_UCG-010, Enterococcus, Anaerovorax, and Bilophila under TBT exposure were found to be involved in further mediating liver inflammation, causing lipid metabolism abnormalities, such as TG, linoleic acid, and glycerophospholipids, and interfering with the energy supply process. Among these, [Acetivibrio]_ethanolgignens_group, Enterococcus, and Bilophila could be considered as potential biomarkers for TBT exposure based on receiver operator characteristic (ROC) curve analysis.
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Affiliation(s)
- Ge-Hui Yuan
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402
| | - Zhan Zhang
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402.,Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 P. R. China
| | - Xing-Su Gao
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402
| | - Jun Zhu
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402
| | - Wen-Hui Guo
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402.,Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 P. R. China
| | - Li Wang
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402.,Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 P. R. China
| | - Ping Ding
- Xiang Ya School of Public Health, Central South University Changsha 410078 P. R. China
| | - Ping Jiang
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402.,Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 P. R. China
| | - Lei Li
- Center for Global Health, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 China +86-25-8686-8499 +86-25-8686-8402 +86-25-8686-8404 +86-25-8686-8402.,Key Lab of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University 101 Longmian Avenue Nanjing 211166 P. R. China
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Coutinho JVDS, Ferreira PS, Soares J, Passamai JL, D'Azeredo Orlando MT, Gouvea SA. Evaluation of induced biological effects in rats by continuous and natural gamma radiation using a physical simulator. Int J Radiat Biol 2020; 96:1473-1485. [PMID: 32845812 DOI: 10.1080/09553002.2020.1812760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
PURPOSE The effects of radioactivity on human health have been debated for many years but there are still important gaps that need to be addressed especially related to the effects of high natural background radiation on the local population. The beach of Meaípe, in the city of Guarapari (Brazil), emits natural gamma radiation due to the presence of monazite sands. We aimed to investigate the effects of gamma radiation doses on the biological system of wistar rats using a physical simulator of gamma radiation designed using Meaípe monazite sands. METHODS Female Wistar rats were divided into three groups, submitted to no radiation (control group) and to continuous radiation levels, one of very high level (20 μSv h-1) and another of high level (3.6 μSv h-1). The three group of animals were monitored weekly for 3 months and at the end of the study the animals were sacrificed, and the organs were extracted and weighed for anthropometric, oxidative stress and histological evaluations. RESULTS Exposure to radiation released by the monazite sands did not cause anthropometric alterations or blood pressure change in the animals. Similarly, there was no change in the quantification of ovarian follicles between the radiation groups and the control group. There was no difference in the oxidative stress quantification by the thiobarbituric acid reactive substance and advanced oxidation protein product methods in the ovaries. There were no evidenced damages in the structure of the renal tissue. It was observed the presence of granulomas in the hepatic tissue and alterations in the nuclei of the hepatocytes. CONCLUSIONS Our results suggest that the continuous exposure of females rats to 3.6 and 20 μSv h-1 doses of gamma radiation slightly affected the hepatic tissue, but did not alter the histological parameters in the kidneys and ovaries and oxidative stress.
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Affiliation(s)
| | - Priscila Santos Ferreira
- Postgraduate Program in Physiological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
| | - Jacyra Soares
- Department of Atmospheric Science, IAG, University of Sao Paulo, Sao Paulo, Brazil
| | - José Luis Passamai
- Department of Physics, Federal University of Espirito Santo, Vitoria, Brazil
| | | | - Sonia Alves Gouvea
- Department of Physiological Sciences, Federal University of Espirito Santo, Vitoria, Brazil
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High-refined carbohydrate diet leads to polycystic ovary syndrome-like features and reduced ovarian reserve in female rats. Toxicol Lett 2020; 332:42-55. [PMID: 32629074 DOI: 10.1016/j.toxlet.2020.07.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/15/2020] [Accepted: 07/02/2020] [Indexed: 02/06/2023]
Abstract
Obesity is associated with several female reproductive complications, such as polycystic ovary syndrome (PCOS). The exact mechanism of this relationship remains unclear. Few previous studies using diet containing refined carbohydrate (HCD) leading to obesity have been performed and it is unclear if HCD is linked with reproductive dysfunctions. In this investigation, we assessed whether subchronic HCD exposure results in reproductive and other irregularities. Female rats were fed with HCD for 15 days and metabolic outcomes and reproductive tract morphophysiology were assessed. We further assessed reproductive tract inflammation, oxidative stress (OS) and fibrosis. HCD rats displayed metabolic impairments, such as an increase in body weight/adiposity, adipocyte hypertrophic, abnormal lipid profile, glucose tolerance and insulin resistance (IR) and hyperleptinemia. Improper functioning of the HCD reproductive tract was observed. Specifically, irregular estrous cyclicity, high LH levels and abnormal ovarian morphology coupled with reduction in primordial and primary follicle numbers was observed, suggesting ovarian reserve depletion. Improper follicular development and a reduction in antral follicles, corpora lutea and granulosa layer area together with an increase in cystic follicles were apparent. Uterine atrophy and reduction in endometrial gland (GE) number was observed in HCD rats. Reproductive tract inflammation, OS and fibrosis were seen in HCD rats. Further, strong positive correlations were observed between body weight/adiposity and IR with estrous cycle length, cystic follicles, ovarian reserve, GE and other abnormalities. Thus, these data suggest that the subchronic HCD exposure led to PCOS-like features, impaired ovarian reserve, GE number, and other reproductive abnormalities in female rats.
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Wang X, Karvonen-Gutierrez CA, Herman WH, Mukherjee B, Harlow SD, Park SK. Urinary metals and incident diabetes in midlife women: Study of Women's Health Across the Nation (SWAN). BMJ Open Diabetes Res Care 2020; 8:e001233. [PMID: 32747380 PMCID: PMC7398092 DOI: 10.1136/bmjdrc-2020-001233] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 06/12/2020] [Accepted: 06/27/2020] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Environmental exposure to metals may play a role in the pathogenesis of diabetes; however, evidence from human studies is limited. We prospectively evaluated the associations of 20 urinary metal concentrations and their mixtures with incident diabetes in the Study of Women's Health Across the Nation, a multisite, multiethnic cohort study of midlife women. RESEARCH DESIGN AND METHODS The sample included 1237 white, black, Chinese and Japanese-American women, aged 45-56 years, free of diabetes at baseline (1999-2000) who were followed through 2016. Concentrations of 20 metals (arsenic, barium, beryllium, cadmium, cobalt, chromium, cesium, copper, mercury, manganese, molybdenum, nickel, lead, antimony, tin, thallium, uranium, vanadium, tungsten and zinc) were measured in urine specimens at baseline. Incident diabetes was identified annually by fasting glucose ≥126 mg/dL, self-reported doctor-diagnosed diabetes, or self-reported use of antidiabetic medications. A non-parametric clustering method, k-means clustering, was used to identify subgroups with different exposure patterns to metal mixtures. RESULTS After multivariable adjustment, the HR (95% CI) for diabetes associated with each doubling increase in urinary metal concentrations was 1.19 (1.10 to 1.30) for arsenic and 1.20 (1.05 to 1.37) for lead, in Cox proportional hazards models after controlling for multiple comparisons. A doubling in urinary excretion of zinc was associated with higher risk of diabetes (adjusted HR 1.31, 95% CI 1.11 to 1.53). Two distinct exposure patterns to metal mixtures-'high' versus 'low'-were identified. Participants assigned to the 'high' pattern had higher overall concentrations of all metals compared with those classified into the 'low' pattern. Adjusted HR for diabetes associated with 'high' pattern compared with 'low' was 1.42 (1.08 to 1.87). CONCLUSIONS Higher urinary concentrations of arsenic and lead, increased urinary excretion of zinc, as well as higher overall exposure to metal mixtures were associated with elevated risk of diabetes. Future studies should further investigate the underlying mechanisms.
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Affiliation(s)
- Xin Wang
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | | | - William H Herman
- Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
| | - Bhramar Mukherjee
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Siobán D Harlow
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Sung Kyun Park
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
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Podratz PL, Merlo E, de Araújo JFP, Ayub JGM, Pereira AFZ, Freitas-Lima LC, da Costa MB, Miranda-Alves L, Cassa SGS, Carneiro MTWD, Fillmann G, Graceli JB. Disruption of fertility, placenta, pregnancy outcome, and multigenerational inheritance of hepatic steatosis by organotin exposure from contaminated seafood in rats. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:138000. [PMID: 32213410 DOI: 10.1016/j.scitotenv.2020.138000] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 03/10/2020] [Accepted: 03/15/2020] [Indexed: 06/10/2023]
Abstract
Early life exposure to endocrine-disrupting chemicals (EDCs) is an emerging risk factor for development of complications later in life and in subsequent generations. We previously demonstrated that exposure to the EDC organotin (OT), which is present in contaminated seafood, resulted in reproductive abnormalities in female rats. However, few studies have explored the effect of OT accumulation in seafood on pregnancy outcomes. This led us to consider the potential effects of the OT present in seafood on fertility, pregnancy, the placenta, and the offspring. In this investigation, we assessed whether exposure to the OT in contaminated seafood resulted in abnormal fertility and pregnancy features and offspring complications. OT in contaminated seafood (LNI) was administered to female rats, and their fertility, pregnancy outcomes, and fetal liver morphology were assessed. LNI caused abnormal fertility, a reduction in the total number of pups, and an increase in serum testosterone levels compared to controls. Furthermore, LNI exposure caused irregular uterine morphology with inflammation and fibrosis and led to a reduction in embryonic implantation. In pregnant rats, LNI caused abnormal lipid profiles and livers with steatosis features. LNI exposure also causes placental morpho-physiology disruption, a high presence of glycogen and inflammatory cells, and irregular lipid profiles. In addition, LNI exposure caused an increase in large amounts of carbohydrate and lipid delivery to the fetus via an increase in placental nutrient sensor protein expressions (GLUT1, IRβ/mTOR and Akt). In both genders of offspring, LNI exposure led to an increase in body weights, liver megakaryocytes, lipid accumulation, and oxidative stress (OS) levels. Collectively, these data suggest that OT exposure from contaminated seafood in female rats leads to reduced fertility, uterine implantation failure, pregnancy and placental metabolic outcome irregularities, offspring adiposity, liver steatosis, and an increase in OS. Furthermore, some of the effects of OT may be the result of obesogenic and multigenerational effects of OT in adult female rats.
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Affiliation(s)
- Priscila L Podratz
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil
| | - Eduardo Merlo
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil
| | - Julia F P de Araújo
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil
| | - Julia G M Ayub
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil
| | - Amanda F Z Pereira
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil
| | - Leandro C Freitas-Lima
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil
| | - Mércia B da Costa
- Department of Biological Sciences, Federal University of Espirito Santo, Brazil
| | - Leandro Miranda-Alves
- Experimental Endocrinology Research, Development and Innovation Group, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil; Postgraduate Program in Endocrinology, School of Medicine, Federal University of Rio de Janeiro, Brazil
| | - Sonara G S Cassa
- Department of Chemistry, Federal University of Espirito Santo, Brazil
| | | | | | - Jones B Graceli
- Department of Morphology, Endocrinology and Cell Toxicology Laboratory, Federal University of Espirito Santo, Brazil.
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Vail GM, Walley SN, Yasrebi A, Maeng A, Conde KN, Roepke TA. The interactions of diet-induced obesity and organophosphate flame retardant exposure on energy homeostasis in adult male and female mice. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2020; 83:438-455. [PMID: 32546061 PMCID: PMC7337410 DOI: 10.1080/15287394.2020.1777235] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Previously, sex-dependent alterations in energy homeostasis were reported in adult mice fed a standard chow attributed to exposure to a mixture of organophosphate flame retardants (OPFRs) via estrogen receptors (ERα). In this study, adult male and female mice (C57BL/6J; Taconic) were treated with the same mixture of OPFRs (1 mg/kg each of tricresyl phosphate (TCP), triphenyl phosphate (TPP), and tris(1-3-dichloro-2propyl)phosphate (TDCPP)) for 7 weeks on a low-fat diet (LFD, 10% kcal fat) or a high fat (HFD, 45% kcal fat) in a diet-induced obesity model. Consistent with our previous observations, OPFRs altered weight gain in males, differentially with diet, while females remained unaffected. OPFR treatment also revealed sex-dependent perturbations in metabolic activity. During the night (approximately 0100-0400 hr), males exhibited elevated activity and oxygen consumption, while in females these parameters were decreased, irrespective of diet. OPFR disrupted feeding behavior and abolished diurnal water intake patterns in females while increasing nighttime fluid consumption in males. Despite no marked effect of OPFRs on glucose or insulin tolerance, OPFR treatment altered circulating insulin and leptin in females and ghrelin in males. Data indicate that adult OPFR exposure might influence, and perhaps exacerbate, the effects of diet-induced obesity in adult mice by altering activity, ingestive behavior, and metabolism.
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Affiliation(s)
- Gwyndolin M. Vail
- Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, Piscataway, NJ. USA
| | - Sabrina N. Walley
- Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, Piscataway, NJ. USA
| | - Ali Yasrebi
- Department of Animal Sciences, School of Environmental & Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ. USA
| | - Angela Maeng
- Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, Piscataway, NJ. USA
| | - Kristie N. Conde
- Graduate Program in Neuroscience, Rutgers, The State University of New Jersey, New Brunswick, NJ. USA
| | - Troy A. Roepke
- Joint Graduate Program in Toxicology, Rutgers, The State University of New Jersey, Piscataway, NJ. USA
- Department of Animal Sciences, School of Environmental & Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ. USA
- Graduate Program in Neuroscience, Rutgers, The State University of New Jersey, New Brunswick, NJ. USA
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Freire C, Vrhovnik P, Fiket Ž, Salcedo-Bellido I, Echeverría R, Martín-Olmedo P, Kniewald G, Fernández MF, Arrebola JP. Adipose tissue concentrations of arsenic, nickel, lead, tin, and titanium in adults from GraMo cohort in Southern Spain: An exploratory study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 719:137458. [PMID: 32112946 DOI: 10.1016/j.scitotenv.2020.137458] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/31/2020] [Accepted: 02/18/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Adipose tissue has been acknowledged as a potential target for obesogenic pollutants, including toxic metal(loid)s. However, the presence of these chemicals in the adipose tissue has been poorly characterized. OBJECTIVE To examine the distributions of adipose tissue concentrations of five toxic metal(loid)s (i.e., arsenic [As], nickel [Ni], lead [Pb], tin [Sn], and titanium [Ti]) in adults, and potential socio-demographic and lifestyle factors associated with metal(loid) concentrations. METHODS The study population consisted of a subsample of 228 subjects from GraMo cohort in Southern Spain (N = 387). Adipose tissue samples were intra-operatively collected from adults recruited in 2003-2004 in two public hospitals, and concentrations of metal(loid)s in adipose tissue were analyzed in 2015 by High-Resolution Inductively Coupled Plasma Mass Spectrometry. Data on socio-demographic and lifestyle factors were obtained by baseline questionnaire completion. Linear and multinomial regression was used to identify factors associated with metal(loid) levels. RESULTS Ni, Pb, Sn, and Ti were detected in all adipose tissue samples, and As in 51% of them. Ni was the metal showing the highest median concentration (0.56 μg/g), followed by Ti (0.31 μg/g), Pb (0.08 μg/g), Sn (0.06 μg/g), and As (0.003 μg/g). Predictors of As levels included area of residence, social class, and oily fish intake; for Ni: area of residence and consumption of cheese, meat, eggs, and canned food; for Pb: vegetables intake and industrial occupation; for Sn: age, body mass index, and consumption of lean fish, eggs, and milk; and cheese intake for Ti. Some of these predictors were sex-specific, particularly those regarding dietary intake. CONCLUSIONS This exploratory study provides the first evidence of the occurrence of Ni, Pb, Sn, Ti, and As in adipose tissue from adult population, and highlights the potential of this tissue as a biological matrix for studying exposure levels and chronic health effects of toxic metal(loid)s.
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Affiliation(s)
- Carmen Freire
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Hospitales Universitarios de Granada, 18012 Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Spain; Biomedical Research Centre, University of Granada, 18016 Granada, Spain.
| | - Petra Vrhovnik
- Slovenian National Building and Civil Engineering Institute (ZAG), SI-1000 Ljubljana, Slovenia.
| | - Željka Fiket
- Ruđer Bošković Institute, Division for Marine and Environmental Research, 10000 Zagreb, Croatia.
| | - Inmaculada Salcedo-Bellido
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Hospitales Universitarios de Granada, 18012 Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Spain; Department of Preventive Medicine and Public Health, University of Granada, 18016 Granada, Spain.
| | - Ruth Echeverría
- Department of Preventive Medicine and Public Health, University of Granada, 18016 Granada, Spain
| | - Piedad Martín-Olmedo
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Hospitales Universitarios de Granada, 18012 Granada, Spain; Andalusian School of Public Health, 18011 Granada, Spain.
| | - Goran Kniewald
- Ruđer Bošković Institute, Division for Marine and Environmental Research, 10000 Zagreb, Croatia.
| | - Mariana F Fernández
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Hospitales Universitarios de Granada, 18012 Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Spain; Biomedical Research Centre, University of Granada, 18016 Granada, Spain; Department of Radiology and Physical Medicine, University of Granada, Granada 18016, Spain.
| | - Juan Pedro Arrebola
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Hospitales Universitarios de Granada, 18012 Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Spain; Department of Preventive Medicine and Public Health, University of Granada, 18016 Granada, Spain.
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Legler J, Zalko D, Jourdan F, Jacobs M, Fromenty B, Balaguer P, Bourguet W, Munic Kos V, Nadal A, Beausoleil C, Cristobal S, Remy S, Ermler S, Margiotta-Casaluci L, Griffin JL, Blumberg B, Chesné C, Hoffmann S, Andersson PL, Kamstra JH. The GOLIATH Project: Towards an Internationally Harmonised Approach for Testing Metabolism Disrupting Compounds. Int J Mol Sci 2020; 21:E3480. [PMID: 32423144 PMCID: PMC7279023 DOI: 10.3390/ijms21103480] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/29/2020] [Accepted: 05/08/2020] [Indexed: 12/13/2022] Open
Abstract
The purpose of this project report is to introduce the European "GOLIATH" project, a new research project which addresses one of the most urgent regulatory needs in the testing of endocrine-disrupting chemicals (EDCs), namely the lack of methods for testing EDCs that disrupt metabolism and metabolic functions. These chemicals collectively referred to as "metabolism disrupting compounds" (MDCs) are natural and anthropogenic chemicals that can promote metabolic changes that can ultimately result in obesity, diabetes, and/or fatty liver in humans. This project report introduces the main approaches of the project and provides a focused review of the evidence of metabolic disruption for selected EDCs. GOLIATH will generate the world's first integrated approach to testing and assessment (IATA) specifically tailored to MDCs. GOLIATH will focus on the main cellular targets of metabolic disruption-hepatocytes, pancreatic endocrine cells, myocytes and adipocytes-and using an adverse outcome pathway (AOP) framework will provide key information on MDC-related mode of action by incorporating multi-omic analyses and translating results from in silico, in vitro, and in vivo models and assays to adverse metabolic health outcomes in humans at real-life exposures. Given the importance of international acceptance of the developed test methods for regulatory use, GOLIATH will link with ongoing initiatives of the Organisation for Economic Development (OECD) for test method (pre-)validation, IATA, and AOP development.
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Affiliation(s)
- Juliette Legler
- Institute for Risk Assessment Sciences, Department of Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, 3508 TD Utrecht, The Netherlands;
| | - Daniel Zalko
- INRAE Toxalim (Research Centre in Food Toxicology), Metabolism and Xenobiotics (MeX) Team, Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (D.Z.); (F.J.)
| | - Fabien Jourdan
- INRAE Toxalim (Research Centre in Food Toxicology), Metabolism and Xenobiotics (MeX) Team, Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (D.Z.); (F.J.)
| | - Miriam Jacobs
- Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Chilton OXON. OX11 0RQ, UK;
| | - Bernard Fromenty
- Institut NUMECAN (Nutrition Metabolisms and Cancer) INSERM UMR_A 1341, UMR_S 1241, Université de Rennes, F-35000 Rennes, France;
| | - Patrick Balaguer
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, ICM, Université de Montpellier, 34298 Montpellier, France;
| | - William Bourguet
- Center for Structural Biochemistry (CBS), INSERM, CNRS, Université de Montpellier, 34090 Montpellier, France;
| | - Vesna Munic Kos
- Department of Physiology and Pharmacology, Karolinska Institutet, 17177 Stockholm, Sweden;
| | - Angel Nadal
- IDiBE and CIBERDEM, Universitas Miguel Hernandez, 03202 Elche (Alicante), Spain;
| | - Claire Beausoleil
- ANSES, Direction de l’Evaluation des Risques, Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail, 14 rue Pierre et Marie Curie, 94701 Maisons-Alfort CEDEX, France;
| | - Susana Cristobal
- Department of Biomedical and Clinical Sciences (BKV), Cell Biology, Medical Faculty, Linköping University, SE-581 85 Linköping, Sweden;
| | - Sylvie Remy
- Sustainable Health, Flemish Institute for Technological Research, VITO, 2400 Mol, Belgium;
| | - Sibylle Ermler
- Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (S.E.); (L.M.-C.)
| | - Luigi Margiotta-Casaluci
- Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge UB8 3PH, UK; (S.E.); (L.M.-C.)
| | - Julian L. Griffin
- Section of Biomolecular Medicine, Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, South Kensington, London SW7 2AZ, UK;
| | - Bruce Blumberg
- Department of Developmental and Cell Biology, University of California Irvine, 2011 BioSci 3, University of California, Irvine, CA 92697-2300, USA;
| | - Christophe Chesné
- Biopredic International, Parc d’Activité de la Bretèche Bâtiment A4, 35760 Saint Grégoire, France;
| | | | | | - Jorke H. Kamstra
- Institute for Risk Assessment Sciences, Department of Population Health Sciences, Faculty of Veterinary Medicine, Utrecht University, 3508 TD Utrecht, The Netherlands;
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Yilmaz B, Terekeci H, Sandal S, Kelestimur F. Endocrine disrupting chemicals: exposure, effects on human health, mechanism of action, models for testing and strategies for prevention. Rev Endocr Metab Disord 2020; 21:127-147. [PMID: 31792807 DOI: 10.1007/s11154-019-09521-z] [Citation(s) in RCA: 260] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Endocrine Disrupting Chemicals (EDCs) are a global problem for environmental and human health. They are defined as "an exogenous chemical, or mixture of chemicals, that can interfere with any aspect of hormone action". It is estimated that there are about 1000 chemicals with endocrine-acting properties. EDCs comprise pesticides, fungicides, industrial chemicals, plasticizers, nonylphenols, metals, pharmaceutical agents and phytoestrogens. Human exposure to EDCs mainly occurs by ingestion and to some extent by inhalation and dermal uptake. Most EDCs are lipophilic and bioaccumulate in the adipose tissue, thus they have a very long half-life in the body. It is difficult to assess the full impact of human exposure to EDCs because adverse effects develop latently and manifest at later ages, and in some people do not present. Timing of exposure is of importance. Developing fetus and neonates are the most vulnerable to endocrine disruption. EDCs may interfere with synthesis, action and metabolism of sex steroid hormones that in turn cause developmental and fertility problems, infertility and hormone-sensitive cancers in women and men. Some EDCs exert obesogenic effects that result in disturbance in energy homeostasis. Interference with hypothalamo-pituitary-thyroid and adrenal axes has also been reported. In this review, potential EDCs, their effects and mechanisms of action, epidemiological studies to analyze their effects on human health, bio-detection and chemical identification methods, difficulties in extrapolating experimental findings and studying endocrine disruptors in humans and recommendations for endocrinologists, individuals and policy makers will be discussed in view of the relevant literature.
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Affiliation(s)
- Bayram Yilmaz
- Department of Physiology, Faculty of Medicine, Yeditepe University, Istanbul, Turkey
| | - Hakan Terekeci
- Department of Internal Medicine, Faculty of Medicine, Yeditepe University, Istanbul, Turkey
| | - Suleyman Sandal
- Department of Physiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - Fahrettin Kelestimur
- Department of Endocrinology, Faculty of Medicine, Yeditepe University, Istanbul, Turkey.
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Rodrigues-Pereira P, Macedo S, Gaspar TB, Canberk S, Selmi-Ruby S, Máximo V, Soares P, Miranda-Alves L. Relevant dose of the environmental contaminant, tributyltin, promotes histomorphological changes in the thyroid gland of male rats. Mol Cell Endocrinol 2020; 502:110677. [PMID: 31821856 DOI: 10.1016/j.mce.2019.110677] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 11/25/2019] [Accepted: 12/04/2019] [Indexed: 02/02/2023]
Abstract
Organotin compounds, such as tributyltin (TBT), are common environmental contaminants and suspected endocrine-disrupting chemicals. Tributyltin is found in antifouling paints, widely used in ships and other vessels. The present study evaluated whether a 15-day treatment with TBT at a dose of 100 ng/kg/day could induce histomorphological changes in the thyroid gland of rats. TBT promoted relevant alterations in the thyroid architecture, being the most relevant histological findings the presence of increased number of small-size follicles in the treated group. In qualitative analyses, colloid vacuolization, papillary budging structures, cystic degeneration and chronic thyroiditis, were observed. Moreover, histomorphometric analysis showed statistically significant changes in the follicular architecture of TBT-treated rats, mainly a decrease in the follicle area (colloid) and an increased epithelial height that resulted in an increased epithelial height/colloid ratio. Augmented collagen deposition was also seen in the thyroids of treated groups. In immunohistochemical (IHC) analyses, the localization of NIS protein was described and a significant increased proliferation index (evaluated by Ki67 positive cells) in the treated group was reported. As an indirect measurement of oxidative stress, mitochondrial protein SDHA was also analyzed by IHC analysis. Although the cytoplasmic expression of SDHA was observed in both groups, the staining intensity score was higher in TBT-treated group. Our results suggest that besides causing histomorphological changes, environmental relevant dose of TBT treatment can also induce oxidative alterations.
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Affiliation(s)
- Paula Rodrigues-Pereira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Sofia Macedo
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal; Departmento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Tiago Bordeira Gaspar
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal; Departmento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Sule Canberk
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal; Departmento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Samia Selmi-Ruby
- Department of Tumoral Escape, Cancer Research Center of Lyon (CRCL)-UMR Inserm 1052-CNRS 5286, Lyon, France
| | - Valdemar Máximo
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Departmento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Paula Soares
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Departmento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Leandro Miranda-Alves
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil.
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Warner GR, Mourikes VE, Neff AM, Brehm E, Flaws JA. Mechanisms of action of agrochemicals acting as endocrine disrupting chemicals. Mol Cell Endocrinol 2020; 502:110680. [PMID: 31838026 PMCID: PMC6942667 DOI: 10.1016/j.mce.2019.110680] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 02/07/2023]
Abstract
Agrochemicals represent a significant class of endocrine disrupting chemicals that humans and animals around the world are exposed to constantly. Agrochemicals can act as endocrine disrupting chemicals through a variety of mechanisms. Recent studies have shown that several mechanisms of action involve the ability of agrochemicals to mimic the interaction of endogenous hormones with nuclear receptors such as estrogen receptors, androgen receptors, peroxisome proliferator activated receptors, the aryl hydrocarbon receptor, and thyroid hormone receptors. Further, studies indicate that agrochemicals can exert toxicity through non-nuclear receptor-mediated mechanisms of action. Such non-genomic mechanisms of action include interference with peptide, steroid, or amino acid hormone response, synthesis and degradation as well as epigenetic changes (DNA methylation and histone modifications). This review summarizes the major mechanisms of action by which agrochemicals target the endocrine system.
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Affiliation(s)
- Genoa R Warner
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Vasiliki E Mourikes
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Alison M Neff
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Emily Brehm
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States.
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Crawford KA, Clark BW, Heiger-Bernays WJ, Karchner SI, Hahn ME, Nacci DE, Schlezinger JJ. Tributyltin disrupts fin development in Fundulus heteroclitus from both PCB-sensitive and resistant populations: Investigations of potential interactions between AHR and PPARγ. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 218:105334. [PMID: 31743820 PMCID: PMC6935467 DOI: 10.1016/j.aquatox.2019.105334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 10/07/2019] [Accepted: 10/12/2019] [Indexed: 05/09/2023]
Abstract
Tributyltin (TBT) and dioxin-like polychlorinated biphenyls (PCBs) are environmental contaminants that are highly toxic to fish and co-occur in New Bedford Harbor (NBH), an estuarine Superfund site located in Massachusetts, USA. Atlantic killifish (Fundulus heteroclitus) that reside in NBH (and other highly contaminated sites along the east coast of the United States) have developed resistance to activation of the aryl hydrocarbon receptor (AHR) pathway and the toxicity of dioxin-like chemicals, such as 3,3',4,4',5-pentachlorobiphenyl, PCB126. In many biological systems, TBT disregulates adipose and bone development via the PPARγ-RXR pathway; AHR activation also disrupts adipose and bone homeostasis, potentially through molecular crosstalk between AHR and PPARγ. However, little is known about how co-exposure and the interaction of these pathways modulate the toxicological effects of these contaminants. Here, we tested the hypotheses that TBT would induce teratogenesis in killifish via activation of PPARγ and that PCB126 co-exposure would suppress PPARγ pathway activation in PCB-sensitive killifish from a reference site (Scorton Creek, SC, PCB-sensitive) but not in PCB-tolerant NBH killifish. Killifish embryos from both populations exposed to TBT (50 and 100 nM) displayed caudal fin deformities. TBT did not change the expression of pparg or its target genes related to adipogenesis (fabp11a and fabp1b) in either population. However, expression of osx/sp7, an osteoblast marker gene, and col2a1b, a chondroblast marker gene, was significantly suppressed by TBT only in SC killifish. An RXR-specific agonist, but not a PPARγ-specific agonist, induced caudal fin deformities like those observed in TBT-treated embryos. PCB126 did not induce caudal fin deformities and did not exacerbate TBT-induced fin deformities. Further, PCB126 increased expression of pparg in SC embryos and not NBH embryos, but did not change the expression of fabp1b. Taken together, these results suggest that in killifish embryos the PPARγ pathway is regulated in part by AHR, but is minimally active at least in this early life stage. In killifish, RXR activation, rather than PPARγ activation, appears to be the mechanism by which TBT induces caudal fin teratogenicity, which is not modulated by AHR responsiveness.
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Affiliation(s)
- K A Crawford
- Department of Environmental Health, Boston University School of Public Health, Boston, MA, USA; Boston University Superfund Research Program, Boston, MA, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA
| | - B W Clark
- Boston University Superfund Research Program, Boston, MA, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA
| | - W J Heiger-Bernays
- Department of Environmental Health, Boston University School of Public Health, Boston, MA, USA; Boston University Superfund Research Program, Boston, MA, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA
| | - S I Karchner
- Boston University Superfund Research Program, Boston, MA, USA; Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA
| | - M E Hahn
- Boston University Superfund Research Program, Boston, MA, USA; Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA
| | - D E Nacci
- Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA
| | - J J Schlezinger
- Department of Environmental Health, Boston University School of Public Health, Boston, MA, USA; Boston University Superfund Research Program, Boston, MA, USA; Oak Ridge Institute for Science and Education at Atlantic Ecology Division, Office of Research and Development, US Environmental Protection Agency, Narragansett, RI, USA.
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Li S, Qiao K, Jiang Y, Wu Q, Coffin S, Gui W, Zhu G. Disruptive effects of two organotin pesticides on the thyroid signaling pathway in Xenopus laevis during metamorphosis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 697:134140. [PMID: 31476497 DOI: 10.1016/j.scitotenv.2019.134140] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 08/25/2019] [Accepted: 08/26/2019] [Indexed: 06/10/2023]
Abstract
Organotin compounds are the ubiquitous environmental pollutants due to their wide industrial and agricultural applications and unexpected releasing into the environment, which show characteristic of endocrine disruptors to interfere with the synthesis, receptor binding or action of endogenous-hormones. Organotin pesticides (OTPs) are used in agriculture and may impact endocrine functions on organisms. Thyroid hormones (THs) play fundamental roles in regulating the basal metabolism and energy balance, while thyroid function can be impaired by environmental contaminants. Therefore, it is crucial to clarify the effects and mechanisms of OTPs on hypothalamus-pituitary-thyroid (HPT) axis. In this study, Xenopus laevis tadpoles at stage 51 were exposed to fentin hydroxide and fenbutatin oxide (0.04, 0.20 and 1.00 μg·L-1) for 21 days. It was found that both compounds caused inhibitory effects on metamorphic development of tadpoles (e.g., significant decrease in hindlimb length and retarding development). Triiodothyronine (T3) significantly decreased in tadpoles exposed to 0.20 μg/L and 1.00 μg/L of the two OTPs for 14 days or 21 days. The expressions of TH responsive genes trβ, bteb and dio2 were down-regulated, while tshβ and slc5a5 were up-regulated. Surface plasmon resonance (SPR) binding assays showed that fentin hydroxide had a moderate affinity to recombinant human thyroid hormone receptor β but fenbutatin oxide did not have. Result of the SPR assay was highly consistent with the luciferase reporter gene assays that fentin hydroxide suppressed the relative luciferase activity in the presence of T3 while fenbutatin oxide did not, demonstrating fentin hydroxide but not fenbutatin oxide displayed an antagonistic activity against T3-TR complex mediated transcriptional activation. Overall, the findings elucidated the mechanisms induced by OTPs along HPT axis. These results highlighted the adverse influences of organotin pesticides on thyroid hormone- dependent development in vertebrates and the need for more comprehensive investigations of their potential ecological risks.
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Affiliation(s)
- Shuying Li
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
| | - Kun Qiao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
| | - Yao Jiang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
| | - Qiong Wu
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
| | - Scott Coffin
- Department of Environmental Sciences, University of California, Riverside, CA 92521, United States
| | - Wenjun Gui
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China.
| | - Guonian Zhu
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
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50
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Stossi F, Dandekar RD, Johnson H, Lavere P, Foulds CE, Mancini MG, Mancini MA. Tributyltin chloride (TBT) induces RXRA down-regulation and lipid accumulation in human liver cells. PLoS One 2019; 14:e0224405. [PMID: 31710612 PMCID: PMC6844554 DOI: 10.1371/journal.pone.0224405] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 10/12/2019] [Indexed: 11/19/2022] Open
Abstract
A subset of environmental chemicals acts as "obesogens" as they increase adipose mass and lipid content in livers of treated rodents. One of the most studied class of obesogens are the tin-containing chemicals that have as a central moiety tributyltin (TBT), which bind and activate two nuclear hormone receptors, Peroxisome Proliferator Activated Receptor Gamma (PPARG) and Retinoid X Receptor Alpha (RXRA), at nanomolar concentrations. Here, we have tested whether TBT chloride at such concentrations may affect the neutral lipid level in two cell line models of human liver. Indeed, using high content image analysis (HCA), TBT significantly increased neutral lipid content in a time- and concentration-dependent manner. Consistent with the observed increased lipid accumulation, RNA fluorescence in situ hybridization (RNA FISH) and RT-qPCR experiments revealed that TBT enhanced the steady-state mRNA levels of two key genes for de novo lipogenesis, the transcription factor SREBF1 and its downstream enzymatic target, FASN. Importantly, pre-treatment of cells with 2-deoxy-D-glucose reduced TBT-mediated lipid accumulation, thereby suggesting a role for active glycolysis during the process of lipid accumulation. As other RXRA binding ligands can promote RXRA protein turnover via the 26S proteasome, TBT was tested for such an effect in the two liver cell lines. We found that TBT, in a time- and dose-dependent manner, significantly reduced steady-state RXRA levels in a proteasome-dependent manner. While TBT promotes both RXRA protein turnover and lipid accumulation, we found no correlation between these two events at the single cell level, thereby suggesting an additional mechanism may be involved in TBT promotion of lipid accumulation, such as glycolysis.
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Affiliation(s)
- Fabio Stossi
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, United States of America
- Integrated Microscopy Core, Baylor College of Medicine, Houston, TX, United States of America
- GCC Center for Advanced Microscopy and Image Informatics, Houston, TX, United States of America
| | - Radhika D. Dandekar
- Integrated Microscopy Core, Baylor College of Medicine, Houston, TX, United States of America
| | - Hannah Johnson
- Integrated Microscopy Core, Baylor College of Medicine, Houston, TX, United States of America
- GCC Center for Advanced Microscopy and Image Informatics, Houston, TX, United States of America
| | - Philip Lavere
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, United States of America
| | - Charles E. Foulds
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, United States of America
- Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX, United States of America
| | - Maureen G. Mancini
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, United States of America
- GCC Center for Advanced Microscopy and Image Informatics, Houston, TX, United States of America
| | - Michael A. Mancini
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, United States of America
- Integrated Microscopy Core, Baylor College of Medicine, Houston, TX, United States of America
- GCC Center for Advanced Microscopy and Image Informatics, Houston, TX, United States of America
- Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX, United States of America
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX, United States of America
- Dan L. Duncan Comprehensive Cancer Center; Baylor College of Medicine, Houston, TX, United States of America
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M University, Houston, TX, United States of America
- * E-mail:
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