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Comprehensive assessment of NR ligand polypharmacology by a multiplex reporter NR assay. Sci Rep 2022; 12:3115. [PMID: 35210493 PMCID: PMC8873415 DOI: 10.1038/s41598-022-07031-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 02/08/2022] [Indexed: 11/09/2022] Open
Abstract
Nuclear receptors (NR) are ligand-modulated transcription factors that regulate multiple cell functions and thus represent excellent drug targets. However, due to a considerable NR structural homology, NR ligands often interact with multiple receptors. Here, we describe a multiplex reporter assay (the FACTORIAL NR) that enables parallel assessment of NR ligand activity across all 48 human NRs. The assay comprises one-hybrid GAL4-NR reporter modules transiently transfected into test cells. To evaluate the reporter activity, we assessed their RNA transcripts. We used a homogeneous RNA detection approach that afforded equal detection efficacy and permitted the multiplex detection in a single-well format. For validation, we examined a panel of selective NR ligands and polypharmacological agonists and antagonists of the progestin, estrogen, PPAR, ERR, and ROR receptors. The assay produced highly reproducible NR activity profiles (r > 0.96) permitting quantitative assessment of individual NR responses. The inferred EC50 values agreed with the published data. The assay showed excellent quality (<Z'> = 0.73) and low variability (<CV> = 7.2%). Furthermore, the assay permitted distinguishing direct and non-direct NR responses to ligands. Therefore, the FACTORIAL NR enables comprehensive evaluation of NR ligand polypharmacology.
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Latta L, Knebel I, Bleil C, Stachon T, Katiyar P, Zussy C, Fries FN, Käsmann-Kellner B, Seitz B, Szentmáry N. Similarities in DSG1 and KRT3 Downregulation through Retinoic Acid Treatment and PAX6 Knockdown Related Expression Profiles: Does PAX6 Affect RA Signaling in Limbal Epithelial Cells? Biomolecules 2021; 11:biom11111651. [PMID: 34827649 PMCID: PMC8615883 DOI: 10.3390/biom11111651] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/11/2021] [Accepted: 10/27/2021] [Indexed: 11/16/2022] Open
Abstract
Congenital PAX6-aniridia is a rare panocular disease resulting from limbal stem cell deficiency. In PAX6-aniridia, the downregulation of the retinol-metabolizing enzymes ADH7 (All-trans-retinol dehydrogenase 7) and ALDH1A1/A3 (Retinal dehydrogenase 1, Aldehyde dehydrogenase family 1 member A3) have been described in limbal epithelial cells (LECs) and conjunctival epithelial cells. The aim of this study was to identify the role of retinol derivates in the differentiation of human LEC and its potential impact on aniridia-associated keratopathy development. Human LEC were isolated from healthy donor corneas and were cultured with retinol, retinoic acid, or pan-retinoic acid receptor antagonist (AGN 193109) acting on RARα, β, γ (NR1B1, NR1B2 NR1B3) or were cultured with pan-retinoid X receptor antagonist (UVI 3003) acting on RXR α, β, γ (retinoid X receptor, NR2B1, NR2B2, BR2B3). Using qPCR, differentiation marker and retinoid-/fatty acid metabolism-related mRNA expression was analysed. DSG1 (Desmoglein 1), KRT3 (Keratin 3), and SPINK7 (Serine Peptidase Inhibitor Kazal Type 7) mRNA expression was downregulated when retinoid derivates were used. AGN 193109 treatment led to the upregulation of ADH7, KRT3, and DSG1 mRNA expression and to the downregulation of KRT12 (Keratin 12) and KRT19 (Keratin 19) mRNA expression. Retinol and all-trans retinoic acid affect some transcripts of corneal LEC in a similar way to what has been observed in the LEC of PAX6-aniridia patients with the altered expression of differentiation markers. An elevated concentration of retinol derivatives in LEC or an altered response to retinoids may contribute to this pattern. These initial findings help to explain ocular surface epithelia differentiation disorders in PAX6-aniridia and should be investigated in patient cells or in cell models in the future in more detail.
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Affiliation(s)
- Lorenz Latta
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
| | - Igor Knebel
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
| | - Constanze Bleil
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
| | - Tanja Stachon
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
| | - Priya Katiyar
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
- Department of Ophthalmology, Saarland University Medical Center, 66421 Homburg, Germany; (F.N.F.); (B.K.-K.); (B.S.)
| | - Claire Zussy
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
| | - Fabian Norbert Fries
- Department of Ophthalmology, Saarland University Medical Center, 66421 Homburg, Germany; (F.N.F.); (B.K.-K.); (B.S.)
| | - Barbara Käsmann-Kellner
- Department of Ophthalmology, Saarland University Medical Center, 66421 Homburg, Germany; (F.N.F.); (B.K.-K.); (B.S.)
| | - Berthold Seitz
- Department of Ophthalmology, Saarland University Medical Center, 66421 Homburg, Germany; (F.N.F.); (B.K.-K.); (B.S.)
| | - Nóra Szentmáry
- Dr. Rolf M. Schwiete Center for Limbal Stem Cell and Congenital Aniridia Research, Saarland University, 66421 Homburg, Germany; (L.L.); (I.K.); (C.B.); (T.S.); (P.K.); (C.Z.)
- Correspondence:
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He S, Li P, Li ZH. Review on endocrine disrupting toxicity of triphenyltin from the perspective of species evolution: Aquatic, amphibious and mammalian. CHEMOSPHERE 2021; 269:128711. [PMID: 33121818 DOI: 10.1016/j.chemosphere.2020.128711] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/30/2020] [Accepted: 10/19/2020] [Indexed: 06/11/2023]
Abstract
Triphenyltin (TPT) is widely used as a plastic stabilizer, insecticide and the most common fungicide in antifouling coatings. This paper reviewed the main literature evidences on the morphological and physiological changes of animal endocrine system induced by TPT, with emphasis on the research progress of TPT metabolism, neurological and reproductive regulation in animal endocrine system. Similar to tributyltin (TBT), the main effects of TPT on the potential health risks of 25 species of animals, from aquatic animals to mammals, are not only related to exposure dose and time, but also to age, sex and exposed tissue/cells. Moreover, current studies have shown that TPT can directly damage the endocrine glands, interfere with the regulation of neurohormones on endocrine function, and change hormone synthesis and/or the bioavailability (i.e., in the retinoid X receptor and peroxisome proliferator-activated receptor gamma RXR-PPARγ) in target cells. Importantly, TPT can cause biochemical and morphological changes of gonads and abnormal production of steroids, both of which are related to reproductive dysfunction, for example, the imposex of aquatic animals and the irregular estrous cycle of female mammals or spermatogenic disorders of male animals. Therefore, TPT should indeed be regarded as a major endocrine disruptor, which is essential for understanding the main toxic effects on different tissues and their pathogenic effects on endocrine, metabolism, neurological and reproductive dysfunction.
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Affiliation(s)
- Shuwen He
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China.
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Xu H, Wang Y, Zhao J, Jurutka PW, Huang D, Liu L, Zhang L, Wang S, Chen Y, Cheng S. Triterpenes from
Poria cocos
are revealed as potential retinoid X receptor selective agonists based on cell and in silico evidence. Chem Biol Drug Des 2020; 95:493-502. [DOI: 10.1111/cbdd.13610] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 07/11/2019] [Accepted: 08/11/2019] [Indexed: 01/17/2023]
Affiliation(s)
- Hui Xu
- Department of Food Quality and Safety School of Engineering China Pharmaceutical University Nanjing China
| | - Yuchen Wang
- Laboratory of Molecular Design and Drug Discovery School of Science China Pharmaceutical University Nanjing China
| | - Junnan Zhao
- Laboratory of Molecular Design and Drug Discovery School of Science China Pharmaceutical University Nanjing China
| | - Peter W. Jurutka
- School of Mathematical and Natural Sciences Arizona State University Phoenix AZ USA
| | - Dechun Huang
- Department of Pharmaceutical Engineering School of Engineering China Pharmaceutical University Nanjing China
| | - Liangyun Liu
- Department of Food Quality and Safety School of Engineering China Pharmaceutical University Nanjing China
| | - Lange Zhang
- Department of Food Quality and Safety School of Engineering China Pharmaceutical University Nanjing China
| | - Suilou Wang
- Department of Food Quality and Safety School of Engineering China Pharmaceutical University Nanjing China
| | - Yadong Chen
- Laboratory of Molecular Design and Drug Discovery School of Science China Pharmaceutical University Nanjing China
| | - Shujie Cheng
- Department of Food Quality and Safety School of Engineering China Pharmaceutical University Nanjing China
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Zhu J, Huang X, Jiang H, Hu L, Michal JJ, Jiang Z, Shi H. The role of pparγ in embryonic development of Xenopus tropicalis under triphenyltin-induced teratogenicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 633:1245-1252. [PMID: 29758877 DOI: 10.1016/j.scitotenv.2018.03.313] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/24/2018] [Accepted: 03/25/2018] [Indexed: 06/08/2023]
Abstract
Evidence has shown that triphenyltin (TPT) triggers severe malformations in Xenopus tropicalis embryos, partly due to activation of PPARγ (peroxisome proliferator activated receptor γ) protein. In the present study, we investigated how abundance of pparγ and TPT exposure interact and affect X. tropicalis embryonic development. We observed pparγ expression signals appeared in the neural crest and neural fold, as well as in the brain, eyes and spinal cord organs. Both pparγ overexpression and its Morpholino (MO) knockdown inhibited pax6 (paired box 6) expression, a marker of eye development, and significantly up- and down-regulated lipid and glucose homeostasis related genes, such as lpl (lipoprotein lipase), slc2a4 (solute carrier family 2 (facilitated glucose transporter), member 4) and pck1 (phosphoenolpyruvate carboxykinase 1, cytosolic), thus inducing eye phenotypes. Overexpression of pparγ induced small eye phenotype, while pparγ MO induced small eye plus turbid eye lens microencephaly and enlarged trunk. In contrast, 5-20μgSn/L (stannum/L) TPT exposure reversed some impacts induced by pparγ overexpression, i.e., no small eye, up-regulation of pax6 and down-regulation of pparγ, lpl, slc2a4 and pck1. Meanwhile, microinjection of pparγ MO combined with exposure to 20μgSn/L TPT caused 85% mortality. In brief, our work clearly indicates that pparγ is essential to eye development and inhibition of its expression combined with TPT exposure can be extremely harmful to X. tropicalis embryo.
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Affiliation(s)
- Jingmin Zhu
- Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf, Ocean college, Qinzhou University, Qinzhou, Guangxi, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Xiao Huang
- Institute of Cellular and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hui Jiang
- Institute of Cellular and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lingling Hu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Jennifer J Michal
- Department of Animal Sciences and Center for Reproductive Biology, Washington State University, Pullman, WA 99164-7620, USA
| | - Zhihua Jiang
- Department of Animal Sciences and Center for Reproductive Biology, Washington State University, Pullman, WA 99164-7620, USA
| | - Huahong Shi
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China.
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Watanabe M, Kakuta H. Retinoid X Receptor Antagonists. Int J Mol Sci 2018; 19:ijms19082354. [PMID: 30103423 PMCID: PMC6121510 DOI: 10.3390/ijms19082354] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/05/2018] [Accepted: 08/07/2018] [Indexed: 12/18/2022] Open
Abstract
Retinoid X receptor (RXR) antagonists are not only useful as chemical tools for biological research, but are also candidate drugs for the treatment of various diseases, including diabetes and allergies, although no RXR antagonist has yet been approved for clinical use. In this review, we present a brief overview of RXR structure, function, and target genes, and describe currently available RXR antagonists, their structural classification, and their evaluation, focusing on the latest research.
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Affiliation(s)
- Masaki Watanabe
- Division of Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 1-1-1, Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
| | - Hiroki Kakuta
- Division of Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 1-1-1, Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
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Corrales P, Izquierdo-Lahuerta A, Medina-Gómez G. Maintenance of Kidney Metabolic Homeostasis by PPAR Gamma. Int J Mol Sci 2018; 19:ijms19072063. [PMID: 30012954 PMCID: PMC6073436 DOI: 10.3390/ijms19072063] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 07/11/2018] [Indexed: 01/12/2023] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) are a family of nuclear hormone receptors that control the transcription of specific genes by binding to regulatory DNA sequences. Among the three subtypes of PPARs, PPARγ modulates a broad range of physiopathological processes, including lipid metabolism, insulin sensitization, cellular differentiation, and cancer. Although predominantly expressed in adipose tissue, PPARγ expression is also found in different regions of the kidney and, upon activation, can redirect metabolism. Recent studies have highlighted important roles for PPARγ in kidney metabolism, such as lipid and glucose metabolism and renal mineral control. PPARγ is also implicated in the renin-angiotensin-aldosterone system and, consequently, in the control of systemic blood pressure. Accordingly, synthetic agonists of PPARγ have reno-protective effects both in diabetic and nondiabetic patients. This review focuses on the role of PPARγ in renal metabolism as a likely key factor in the maintenance of systemic homeostasis.
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Affiliation(s)
- Patricia Corrales
- Área de Bioquímica y Biología Molecular, Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos. Avda. de Atenas s/n. Alcorcón, 28922 Madrid, Spain.
| | - Adriana Izquierdo-Lahuerta
- Área de Bioquímica y Biología Molecular, Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos. Avda. de Atenas s/n. Alcorcón, 28922 Madrid, Spain.
| | - Gema Medina-Gómez
- Área de Bioquímica y Biología Molecular, Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos. Avda. de Atenas s/n. Alcorcón, 28922 Madrid, Spain.
- MEMORISM Research Unit of University Rey Juan Carlos-Institute of Biomedical Research "Alberto Sols" (CSIC), 28029 Madrid, Spain.
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Mengeling BJ, Goodson ML, Furlow JD. RXR Ligands Modulate Thyroid Hormone Signaling Competence in Young Xenopus laevis Tadpoles. Endocrinology 2018; 159:2576-2595. [PMID: 29762675 PMCID: PMC6692881 DOI: 10.1210/en.2018-00172] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 05/07/2018] [Indexed: 12/18/2022]
Abstract
Appropriate thyroid hormone (TH) signaling through thyroid hormone receptors (TRs) is essential for vertebrate development. Amphibian metamorphosis is initiated and sustained through the action of TH on TRs, which are conserved across vertebrates. TRs heterodimerize with retinoid X receptors (RXRs) on thyroid hormone response elements (TREs) in the genome; however, in most cell line and adult animal studies, RXR ligands do not affect expression of TR target genes. We used a quantitative, precocious metamorphosis assay to interrogate the effects of the RXR agonist bexarotene (Bex) and the RXR antagonist UVI 3003 (UVI) on T3-induced resorption phenotypes in Xenopus laevis tadpoles 1 week postfertilization. Bex potentiated gill and tail resorption, and UVI abrogated T3 action. These results held in transgenic tadpoles bearing a TRE-driven luciferase reporter. Therefore, we used poly-A-primed RNA sequencing transcriptomic analysis to determine their effects on T3-induced gene expression. We also assayed the environmental pollutant tributyltin (TBT), which is an RXR agonist. We found that the proteases that carry out resorption were potentiated by Bex and TBT but were not significantly inhibited by UVI. However, several transcription factors from multiple families (sox4, fosl2, mxd1, mafb, nfib) were all inhibited by UVI and potentiated by Bex and TBT. All required T3 for induction. Time course analysis of gene expression showed that although the agonists could potentiate within 12 hours, the antagonist response lagged. These data indicate that the agonists and antagonist are not necessarily functioning through the same mechanism and suggest that RXR liganding may modulate TH competence in metamorphic signaling.
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Affiliation(s)
- Brenda J Mengeling
- Department of Neurobiology, Physiology and Behavior, College of Biological Sciences, University of California, Davis, Davis, California
| | - Michael L Goodson
- Department of Anatomy, Physiology and Cell Biology, College of Veterinary Medicine, University of California, Davis, Davis, California
| | - J David Furlow
- Department of Neurobiology, Physiology and Behavior, College of Biological Sciences, University of California, Davis, Davis, California
- Correspondence: J. David Furlow, PhD, Department of Neurobiology, Physiology and Behavior, College of Biological Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616.
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Chamorro-García R, Shoucri BM, Willner S, Käch H, Janesick A, Blumberg B. Effects of Perinatal Exposure to Dibutyltin Chloride on Fat and Glucose Metabolism in Mice, and Molecular Mechanisms, in Vitro. ENVIRONMENTAL HEALTH PERSPECTIVES 2018; 126:057006. [PMID: 29787037 PMCID: PMC6072003 DOI: 10.1289/ehp3030] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 04/08/2018] [Accepted: 04/14/2018] [Indexed: 05/08/2023]
Abstract
BACKGROUND The organotin dibutyltin (DBT) is used in the manufacture of polyvinyl chloride (PVC) plastics, in construction materials, and in medical devices. Previous animal studies showed detrimental effects of DBT during in utero development at relatively high doses, but little was known about the effects of DBT exposure at environmentally relevant doses on endpoints such as obesity and metabolic disease. OBJECTIVES We tested the potential obesogenic effects of DBT using in vitro and in vivo models. METHODS We evaluated the effects of DBT on nuclear receptor activation and adipogenic potential using human and mouse multipotent mesenchymal stromal stem cells (MSCs). We also evaluated the effects of perinatal exposure to environmentally relevant doses of DBT in C57BL/6J mice. RESULTS DBT activated human and mouse PPARγ and RXRα in transient transfection assays, increased expression of adipogenic genes, promoted adipogenic differentiation and increased lipid accumulation in mouse and human MSCs, in vitro. DBT-induced adipogenic differentiation was abolished by the PPARγ antagonist T0070907, indicating that DBT was acting primarily through PPARγ. Perinatal exposure to low doses of DBT led to increased fat storage, decreased glucose tolerance, and increased circulating leptin levels in male, but not female, mice. CONCLUSIONS DBT acted as an obesogen by inducing lipid accumulation in human and mouse MSCs through a PPARγ-dependent pathway. In vivo exposure to biologically relevant doses of DBT during perinatal development led to increased fat storage, elevated leptin levels in plasma, and glucose intolerance in mice. Based on these findings, we posit that monitoring of DBT levels in human samples may aid in understanding and potentially preventing the rising rates of metabolic disorders in human populations. https://doi.org/10.1289/EHP3030.
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Affiliation(s)
- Raquel Chamorro-García
- Department of Developmental and Cell Biology, University of California, Irvine, California, USA
| | - Bassem M Shoucri
- Department of Developmental and Cell Biology, University of California, Irvine, California, USA
| | - Sigal Willner
- Department of Developmental and Cell Biology, University of California, Irvine, California, USA
| | - Heidi Käch
- Department of Developmental and Cell Biology, University of California, Irvine, California, USA
| | - Amanda Janesick
- Department of Developmental and Cell Biology, University of California, Irvine, California, USA
| | - Bruce Blumberg
- Department of Developmental and Cell Biology, University of California, Irvine, California, USA
- Department of Pharmaceutical Sciences, University of California, Irvine, California, USA
- Department of Biomedical Engineering, University of California, Irvine, California, USA
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Zhu J, Hu L, Li L, Huang X, Shi H. Comparison of phenotypic and global gene expression changes in Xenopus tropicalis embryos induced by agonists of RAR and RXR. Toxicol Appl Pharmacol 2017; 330:40-47. [DOI: 10.1016/j.taap.2017.07.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Revised: 06/24/2017] [Accepted: 07/05/2017] [Indexed: 12/31/2022]
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