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Marques-da-Silva D, Lagoa R. Rafting on the Evidence for Lipid Raft-like Domains as Hubs Triggering Environmental Toxicants' Cellular Effects. Molecules 2023; 28:6598. [PMID: 37764374 PMCID: PMC10536579 DOI: 10.3390/molecules28186598] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
The plasma membrane lipid rafts are cholesterol- and sphingolipid-enriched domains that allow regularly distributed, sub-micro-sized structures englobing proteins to compartmentalize cellular processes. These membrane domains can be highly heterogeneous and dynamic, functioning as signal transduction platforms that amplify the local concentrations and signaling of individual components. Moreover, they participate in cell signaling routes that are known to be important targets of environmental toxicants affecting cell redox status and calcium homeostasis, immune regulation, and hormonal functions. In this work, the evidence that plasma membrane raft-like domains operate as hubs for toxicants' cellular actions is discussed, and suggestions for future research are provided. Several studies address the insertion of pesticides and other organic pollutants into membranes, their accumulation in lipid rafts, or lipid rafts' disruption by polychlorinated biphenyls (PCBs), benzo[a]pyrene (B[a]P), and even metals/metalloids. In hepatocytes, macrophages, or neurons, B[a]P, airborne particulate matter, and other toxicants caused rafts' protein and lipid remodeling, oxidative changes, or amyloidogenesis. Different studies investigated the role of the invaginated lipid rafts present in endothelial cells in mediating the vascular inflammatory effects of PCBs. Furthermore, in vitro and in vivo data strongly implicate raft-localized NADPH oxidases, the aryl hydrocarbon receptor, caveolin-1, and protein kinases in the toxic mechanisms of occupational and environmental chemicals.
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Affiliation(s)
- Dorinda Marques-da-Silva
- LSRE—Laboratory of Separation and Reaction Engineering and LCM—Laboratory of Catalysis and Materials, School of Management and Technology, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal;
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- School of Technology and Management, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal
| | - Ricardo Lagoa
- LSRE—Laboratory of Separation and Reaction Engineering and LCM—Laboratory of Catalysis and Materials, School of Management and Technology, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal;
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- School of Technology and Management, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal
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Liu W, Wang Z, Chen J, Tang W, Wang H. Machine Learning Model for Screening Thyroid Stimulating Hormone Receptor Agonists Based on Updated Datasets and Improved Applicability Domain Metrics. Chem Res Toxicol 2023. [PMID: 37209109 DOI: 10.1021/acs.chemrestox.3c00074] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Machine learning (ML) models for screening endocrine-disrupting chemicals (EDCs), such as thyroid stimulating hormone receptor (TSHR) agonists, are essential for sound management of chemicals. Previous models for screening TSHR agonists were built on imbalanced datasets and lacked applicability domain (AD) characterization essential for regulatory application. Herein, an updated TSHR agonist dataset was built, for which the ratio of active to inactive compounds greatly increased to 1:2.6, and chemical spaces of structure-activity landscapes (SALs) were enhanced. Resulting models based on 7 molecular representations and 4 ML algorithms were proven to outperform previous ones. Weighted similarity density (ρs) and weighted inconsistency of activities (IA) were proposed to characterize the SALs, and a state-of-the-art AD characterization methodology ADSAL{ρs, IA} was established. An optimal classifier developed with PubChem fingerprints and the random forest algorithm, coupled with ADSAL{ρs ≥ 0.15, IA ≤ 0.65}, exhibited good performance on the validation set with the area under the receiver operating characteristic curve being 0.984 and balanced accuracy being 0.941 and identified 90 TSHR agonist classes that could not be found previously. The classifier together with the ADSAL{ρs, IA} may serve as efficient tools for screening EDCs, and the AD characterization methodology may be applied to other ML models.
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Affiliation(s)
- Wenjia Liu
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Zhongyu Wang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Jingwen Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Weihao Tang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Haobo Wang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian Key Laboratory on Chemicals Risk Control and Pollution Prevention Technology, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
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Burgos-Aceves MA, Migliaccio V, Di Gregorio I, Paolella G, Lepretti M, Faggio C, Lionetti L. 1,1,1-trichloro-2,2-bis (p-chlorophenyl)-ethane (DDT) and 1,1-Dichloro-2,2-bis (p, p'-chlorophenyl) ethylene (DDE) as endocrine disruptors in human and wildlife: A possible implication of mitochondria. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 87:103684. [PMID: 34052433 DOI: 10.1016/j.etap.2021.103684] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/14/2021] [Accepted: 05/25/2021] [Indexed: 06/12/2023]
Abstract
1,1,1-trichloro-2,2-bis (p-chlorophenyl)-ethane (DDT) and its main metabolite 1,1-Dichloro-2,2-bis (p, p'-chlorophenyl) ethylene (DDE) act as endocrine disruptors in humans and wildlife. Immunomodulatory functions have also been attributed to both xenobiotics. DDT was banned in the 1970s due to its toxicity, but it is still produced and used for indoor residual spraying with disease vector control purposes. Due to their persistence and lipophilic properties, DDT and DDE can bioaccumulate through the food chain, being stored in organisms' adipose depots. Their endocrine disruptor function is mediated by agonist or antagonist interaction with nuclear receptors. Present review aimed to provide an overview of how DDT and DDE exposure impacts reproductive and immune systems with estrogen-disrupting action in humans and wildlife. Studies showing DDT and DDE impact on mitochondrial function and apoptosis pathway will also be reviewed, suggesting the hypothesis of direct action on mitochondrial steroid receptors.
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Affiliation(s)
- Mario Alberto Burgos-Aceves
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Vincenzo Migliaccio
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Ilaria Di Gregorio
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Gaetana Paolella
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Marilena Lepretti
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical, and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - Lillà Lionetti
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
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Longoni B, Fasciani I, Kolachalam S, Pietrantoni I, Marampon F, Petragnano F, Aloisi G, Coppolino MF, Rossi M, Scarselli M, Maggio R. Neurotoxic and Neuroprotective Role of Exosomes in Parkinson’s Disease. Curr Pharm Des 2020; 25:4510-4522. [DOI: 10.2174/1381612825666191113103537] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 11/13/2019] [Indexed: 01/06/2023]
Abstract
:Exosomes are extracellular vesicles produced by eukaryotic cells that are also found in most biological fluids and tissues. While they were initially thought to act as compartments for removal of cellular debris, they are now recognized as important tools for cell-to-cell communication and for the transfer of pathogens between the cells. They have attracted particular interest in neurodegenerative diseases for their potential role in transferring prion-like proteins between neurons, and in Parkinson’s disease (PD), they have been shown to spread oligomers of α-synuclein in the brain accelerating the progression of this pathology. A potential neuroprotective role of exosomes has also been equally proposed in PD as they could limit the toxicity of α-synuclein by clearing them out of the cells. Exosomes have also attracted considerable attention for use as drug vehicles. Being nonimmunogenic in nature, they provide an unprecedented opportunity to enhance the delivery of incorporated drugs to target cells. In this review, we discuss current knowledge about the potential neurotoxic and neuroprotective role of exosomes and their potential application as drug delivery systems in PD.
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Affiliation(s)
- Biancamaria Longoni
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Irene Fasciani
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Shivakumar Kolachalam
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Ilaria Pietrantoni
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | | | - Francesco Petragnano
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Gabriella Aloisi
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Maria F. Coppolino
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
| | - Mario Rossi
- Institute of Molecular Cell and Systems Biology, University of Glasgow, United Kingdom
| | - Marco Scarselli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Roberto Maggio
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Italy
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Edo N, Kawakami K, Fujita Y, Morita K, Uno K, Tsukamoto K, Onose H, Ishikawa T, Ito M. Exosomes Expressing Thyrotropin Receptor Attenuate Autoantibody-Mediated Stimulation of Cyclic Adenosine Monophosphate Production. Thyroid 2019; 29:1012-1017. [PMID: 31062662 DOI: 10.1089/thy.2018.0772] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background: Exosomes or small extracellular vesicles secreted from cells are nanovesicles with a diameter of 40-150 nm, which play a number of roles in both physiologic and pathologic processes. In Graves' disease (GD), autoantibodies bind to the thyrotropin receptor (TSHR) on the surface of thyroid follicular epithelial cells and stimulate thyroid growth and thyroid hormone synthesis and secretion via cyclic adenosine monophosphate (cAMP) production. The present study aimed to confirm the existence of TSHR in exosomes secreted from thyroid cells and to define the role of TSHR exosomes in GD. Methods: Exosomes were isolated by differential centrifugation from the culture medium of the human thyroid follicular epithelial cell line (NTHY-ori 3-1) and thyroid carcinoma cell lines (8305C, 8505C, and FTC-133). TSHR expression in cell lysates and exosomes was evaluated by Western blot analysis. In order to study the function of TSHR exosomes, human embryonic kidney (HEK) 293 cells stably expressing TSHR (HEK/TSHR) were established. Using exosomes isolated from both HEK and HEK/TSHR cells, the binding capacity of the M22 human monoclonal autoantibody to TSHR exosomes and their effect on M22-mediated stimulation of cAMP production in HEK/TSHR cells were evaluated. As a positive control for the functional assay, human recombinant TSHR chimera protein capable of binding to TSH was used. Results: TSHR was detected in exosomes from cancer cells as well as normal epithelial cells. An in vitro binding assay showed that alkaline phosphatase-labeled M22 bound to TSHR exosomes in a dose-dependent manner. M22 dose-dependently stimulated intracellular cAMP production in HEK/TSHR cells. The addition of exosomes from HEK/TSHR cells but not those from parental HEK cells significantly ameliorated cAMP production stimulated by treatment with M22 in HEK/TSHR cells. A decoy effect similar to TSHR exosomes was observed for human recombinant TSHR chimera. Conclusions: The results suggest that exosomes expressing TSHR may be secreted from normal and cancerous thyroid cells. In the thyroid gland of patients with GD, TSHR exosomes may exert a decoy effect by sequestering autoantibody, thereby ameliorating autoantibody-mediated activation of thyroid function.
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Affiliation(s)
- Naoki Edo
- 1Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Kyojiro Kawakami
- 2Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yasunori Fujita
- 2Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Koji Morita
- 1Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Kenji Uno
- 1Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Kazuhisa Tsukamoto
- 1Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Hiroyuki Onose
- 3Department of Internal Medicine, Kanaji Hospital, Tokyo, Japan
| | - Toshio Ishikawa
- 1Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Masafumi Ito
- 2Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Mughal BB, Fini JB, Demeneix BA. Thyroid-disrupting chemicals and brain development: an update. Endocr Connect 2018; 7:R160-R186. [PMID: 29572405 PMCID: PMC5890081 DOI: 10.1530/ec-18-0029] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 03/14/2018] [Indexed: 12/12/2022]
Abstract
This review covers recent findings on the main categories of thyroid hormone-disrupting chemicals and their effects on brain development. We draw mostly on epidemiological and experimental data published in the last decade. For each chemical class considered, we deal with not only the thyroid hormone-disrupting effects but also briefly mention the main mechanisms by which the same chemicals could modify estrogen and/or androgen signalling, thereby exacerbating adverse effects on endocrine-dependent developmental programmes. Further, we emphasize recent data showing how maternal thyroid hormone signalling during early pregnancy affects not only offspring IQ, but also neurodevelopmental disease risk. These recent findings add to established knowledge on the crucial importance of iodine and thyroid hormone for optimal brain development. We propose that prenatal exposure to mixtures of thyroid hormone-disrupting chemicals provides a plausible biological mechanism contributing to current increases in the incidence of neurodevelopmental disease and IQ loss.
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Affiliation(s)
- Bilal B Mughal
- CNRS/UMR7221Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | - Jean-Baptiste Fini
- CNRS/UMR7221Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | - Barbara A Demeneix
- CNRS/UMR7221Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
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Rossi M, Taddei AR, Fasciani I, Maggio R, Giorgi F. The cell biology of the thyroid-disrupting mechanism of dichlorodiphenyltrichloroethane (DDT). J Endocrinol Invest 2018. [PMID: 28639207 DOI: 10.1007/s40618-017-0716-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Dichlorodiphenyltrichloroethane (DDT) is an organochlorine known for its pesticide properties and for its negative effects on human health. It was banned in most countries for its toxicity to the endocrine system, but due to its persistence at clinically relevant concentrations in both soil and animal tissues, DDT is still linked to several health and social problems. METHODS We have previously shown that DDT exposure is causally related to the extracellular release of vesicular organelles such as microvesicles and/or exosomes by using immunocytochemistry with gold-tagged antibodies and various fluorescent membrane markers. RESULTS It is now well recognized that microvesicles and/or exosomes organelles are implicated in cell-to-cell communication, and that they are fundamental elements for transferring proteins, RNA, DNA, lipids and transcriptional factors among cells. In this short review, we discussed the role of extracellular vesicle formation in the thyroid-disrupting mechanism of DDT. In particular, we described how DDT, by dislodging the thyrotropin hormone (TSH) receptor from the raft containing compartments of the cells, prevents its activation and internalization. CONCLUSION Based on our earlier finding and on the large body of evidence here reviewed, we propose that DDT-induced formation of extracellular vesicles containing the TSH receptor could be directly involved in the development of autoimmune responses against the TSH receptor and that, therefore, their release could lead to the development of the Graves' disease.
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Affiliation(s)
- M Rossi
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD, USA
| | - A R Taddei
- Section of Electron Microscopy, Great Equipment Center, University of Tuscia, Viterbo, Italy
| | - I Fasciani
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - R Maggio
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.
| | - F Giorgi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
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