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Palacios-Valladares JR, Martinez-Jimenez YI, Morillon-Torres V, Rivera-Maya OB, Gómez R, Calderon-Aranda ES. Bisphenol A and Its Emergent Substitutes: State of the Art of the Impact of These Plasticizers on Oxidative Stress and Its Role in Vascular Dysfunction. Antioxidants (Basel) 2024; 13:1468. [PMID: 39765797 PMCID: PMC11673293 DOI: 10.3390/antiox13121468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2024] [Revised: 11/21/2024] [Accepted: 11/25/2024] [Indexed: 01/03/2025] Open
Abstract
The "One Health approach" has evidenced the significant impact of xenobiotic exposure to health, and humans are a relevant target for their toxic effects. Bisphenol A (BPA) exerts a ubiquitous exposure source in all ecosystems. Given its endocrine-disrupting and harmful consequences on health, several countries have enforced new regulations to reduce exposure to BPA. Cardiovascular diseases (CVDs) are complex conditions that lead to higher mortality worldwide, where family history, lifestyle, and environmental factors, like BPA exposure, have a remarkable contribution. This chemical compound is the most widely used in plastic and epoxy resin manufacturing and has been associated with effects on human health. Therefore, new-generation bisphenols (NGBs) are replacing BPA use, arguing that they do not harm health. Nonetheless, the knowledge about whether NGBs are secure options is scanty. Although BPA's effects on several organs and systems have been documented, the role of BPA and NGBs in CVDs has yet to be explored. This review's goals are focused on the processes of endothelial activation (EA)-endothelial dysfunction (ED), a cornerstone of CVDs development, bisphenols' (BPs) effects on these processes through oxidant and antioxidant system alteration. Despite the scarce evidence on pro-oxidant effects associated with NGBs, our review demonstrated a comparable harmful effect on BPA. The results from the present review suggest that the biological mechanisms to explain BPs cardiotoxic effects are the oxidant stress ↔ inflammatory response ↔ EA ↔ ED → atherosclerotic plate → coagulation promotion. Other effects contributing to CVD development include altered lipid metabolism, ionic channels, and the activation of different intracellular pathways, which contribute to ED perpetuation in a concerted manner.
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Affiliation(s)
| | | | | | | | - Rocio Gómez
- Department of Toxicology, Center for Research and Advanced Studies of the National Polytechnic Institute, Mexico City 07360, Mexico; (J.R.P.-V.); (Y.I.M.-J.); (V.M.-T.); (O.B.R.-M.)
| | - Emma S. Calderon-Aranda
- Department of Toxicology, Center for Research and Advanced Studies of the National Polytechnic Institute, Mexico City 07360, Mexico; (J.R.P.-V.); (Y.I.M.-J.); (V.M.-T.); (O.B.R.-M.)
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Zuo YB, Wen ZJ, Cheng MD, Jia DD, Zhang YF, Yang HY, Xu HM, Xin H, Zhang YF. The pro-atherogenic effects and the underlying mechanisms of chronic bisphenol S (BPS) exposure in apolipoprotein E-deficient mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 285:117133. [PMID: 39342757 DOI: 10.1016/j.ecoenv.2024.117133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/23/2024] [Accepted: 09/26/2024] [Indexed: 10/01/2024]
Abstract
Atherosclerosis (AS) and its related cardiovascular diseases (CVDs) remain the most frequent cause of morbidity and mortality worldwide. Researches showed that bisphenol A (BPA) exposure might exacerbate AS progression. However, as an analogue of BPA, little is known about the cardiovascular toxicity of bisphenol S (BPS), especially whether BPS exposure has the pro-atherogenic effects in mammals is still unknown. Here, we firstly constructed an apolipoprotein E knockout (ApoE-/-) mouse model and cultured cells to investigate the risk of BPS on AS and explore the underlying mechanisms. Results showed that prolonged exposure to 50 μg/kg body weight (bw)/day BPS indeed aggravated AS lesions both in the en face aortas and aortic sinuses of ApoE-/- mice. Moreover, BPS were found to be implicated in the AS pathological process: 1) stimulates adhesion molecule expression to promote monocyte-endothelial cells (ECs) adhesion with 3.6 times more than the control group in vivo; 2) increases the distribution of vascular smooth muscle cells (VSMCs) with 9.3 times more than the control group in vivo, possibly through the migration of VSMCs; and 3) induces an inflammatory response by increasing the number of macrophages (MACs), with 3.7 times more than the control group in vivo, and the release of inflammatory mediators. Furthermore, we have identified eight significant AS-related genes induced by BPS, including angiopoietin-like protein 7 (Angptl17) and lipocalin-2 (Lcn2) in ECs; matrix metalloproteinase 9 (Mmp13), secreted phosphoprotein 1 (Spp1), and collagen type II alpha 1 (Col2a1) in VSMCs; and kininogen 1 (Kng1), integrin alpha X (Itgax), and MAC-expressed gene 1 (Mpeg1) in MACs. Overall, this study firstly found BPS exposure could exacerbate mammalian AS and might also provide a theoretical basis for elucidating BPS and its analogues induced AS and related CVDs.
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Affiliation(s)
- Ying-Bing Zuo
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China; Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, 16 Jiangsu Road, Qingdao 266000, China
| | - Zeng-Jin Wen
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Meng-Die Cheng
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China; Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, 16 Jiangsu Road, Qingdao 266000, China
| | - Dong-Dong Jia
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Yi-Fei Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Hong-Yu Yang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Hai-Ming Xu
- School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China.
| | - Hui Xin
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, 16 Jiangsu Road, Qingdao 266000, China.
| | - Yin-Feng Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China.
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Brown C, Kariuki W, Zhong HA, Kippes A, Sui Y. Cannabidiol promotes intestinal cholesterol uptake mediated by Pregnane X receptor. Front Endocrinol (Lausanne) 2024; 15:1398462. [PMID: 38957441 PMCID: PMC11217338 DOI: 10.3389/fendo.2024.1398462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 06/05/2024] [Indexed: 07/04/2024] Open
Abstract
Background Cannabidiol (CBD), a non-psychoactive phytocannabinoid of cannabis, is therapeutically used as an analgesic, anti-convulsant, anti-inflammatory, and anti-psychotic drug. There is a growing concern about the adverse side effects posed by CBD usage. Pregnane X receptor (PXR) is a nuclear receptor activated by a variety of dietary steroids, pharmaceutical agents, and environmental chemicals. In addition to the role in xenobiotic metabolism, the atherogenic and dyslipidemic effects of PXR have been revealed in animal models. CBD has a low affinity for cannabinoid receptors, thus it is important to elucidate the molecular mechanisms by which CBD activates cellular signaling and to assess the possible adverse impacts of CBD on pro-atherosclerotic events in cardiovascular system, such as dyslipidemia. Objective Our study aims to explore the cellular and molecular mechanisms by which exposure to CBD activates human PXR and increases the risk of dyslipidemia. Methods Both human hepatic and intestinal cells were used to test if CBD was a PXR agonist via cell-based transfection assay. The key residues within PXR's ligand-binding pocket that CBD interacted with were investigated using computational docking study together with site-directed mutagenesis assay. The C57BL/6 wildtype mice were orally fed CBD in the presence of PXR antagonist resveratrol (RES) to determine how CBD exposure could change the plasma lipid profiles in a PXR-dependent manner. Human intestinal cells were treated with CBD and/or RES to estimate the functions of CBD in cholesterol uptake. Results CBD was a selective agonist of PXR with higher activities on human PXR than rodents PXRs and promoted the dissociation of human PXR from nuclear co-repressors. The key amino acid residues Met246, Ser247, Phe251, Phe288, Trp299, and Tyr306 within PXR's ligand binding pocket were identified to be necessary for the agonistic effects of CBD. Exposure to CBD increased the circulating total cholesterol levels in mice which was partially caused by the induced expression levels of the key intestinal PXR-regulated lipogenic genes. Mechanistically, CBD induced the gene expression of key intestinal cholesterol transporters, which led to the increased cholesterol uptake by intestinal cells. Conclusion CBD was identified as a selective PXR agonist. Exposure to CBD activated PXR signaling and increased the atherogenic cholesterol levels in plasma, which partially resulted from the ascended cholesterol uptake by intestinal cells. Our study provides potential evidence for the future risk assessment of CBD on cardiovascular disease, such as dyslipidemia.
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Affiliation(s)
- Conner Brown
- Department of Biology, University of Nebraska at Kearney, Kearney, NE, United States
| | - Wangeci Kariuki
- Department of Biology, University of Nebraska at Kearney, Kearney, NE, United States
| | - Haizhen A. Zhong
- Department of Chemistry, University of Nebraska at Omaha, Omaha, NE, United States
| | - Audra Kippes
- Department of Biology, University of Nebraska at Kearney, Kearney, NE, United States
| | - Yipeng Sui
- Department of Biology, University of Nebraska at Kearney, Kearney, NE, United States
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Ahmad I, Kaur M, Tyagi D, Singh TB, Kaur G, Afzal SM, Jauhar M. Exploring novel insights into the molecular mechanisms underlying Bisphenol A-induced toxicity: A persistent threat to human health. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104467. [PMID: 38763439 DOI: 10.1016/j.etap.2024.104467] [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: 02/14/2024] [Revised: 04/09/2024] [Accepted: 05/11/2024] [Indexed: 05/21/2024]
Abstract
Bisphenol A (BPA) is a ubiquitous industrial chemical used in the production of polycarbonate plastics and epoxy resins, found in numerous consumer products. Despite its widespread use, its potential adverse health effects have raised significant concerns. This review explores the molecular mechanisms and evidence-based literature underlying BPA-induced toxicities and its implications for human health. BPA is an endocrine-disrupting chemical (EDC) which exhibits carcinogenic properties by influencing various receptors, such as ER, AhR, PPARs, LXRs, and RARs. It induces oxidative stress and contributes to cellular dysfunction, inflammation, and DNA damage, ultimately leading to various toxicities including but not limited to reproductive, cardiotoxicity, neurotoxicity, and endocrine toxicity. Moreover, BPA can modify DNA methylation patterns, histone modifications, and non-coding RNA expression, leading to epigenetic changes and contribute to carcinogenesis. Overall, understanding molecular mechanisms of BPA-induced toxicity is crucial for developing effective strategies and policies to mitigate its adverse effects on human health.
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Affiliation(s)
- Israel Ahmad
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab, India.
| | - Mandeep Kaur
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab, India.
| | - Devansh Tyagi
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab, India.
| | - Tejinder Bir Singh
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab, India.
| | - Gurpreet Kaur
- School of Business Studies, Punjab Agricultural University, Ludhiana, Punjab, India.
| | - Shaikh Mohammad Afzal
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab, India.
| | - Mohsin Jauhar
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road, Phagwara, Punjab, India.
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Florke Gee RR, Huber AD, Chen T. Regulation of PXR in drug metabolism: chemical and structural perspectives. Expert Opin Drug Metab Toxicol 2024; 20:9-23. [PMID: 38251638 PMCID: PMC10939797 DOI: 10.1080/17425255.2024.2309212] [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: 12/12/2023] [Accepted: 01/19/2024] [Indexed: 01/23/2024]
Abstract
INTRODUCTION Pregnane X receptor (PXR) is a master xenobiotic sensor that transcriptionally controls drug metabolism and disposition pathways. PXR activation by pharmaceutical drugs, natural products, environmental toxins, etc. may decrease drug efficacy and increase drug-drug interactions and drug toxicity, indicating a therapeutic value for PXR antagonists. However, PXR's functions in physiological events, such as intestinal inflammation, indicate that PXR activators may be useful in certain disease contexts. AREAS COVERED We review the reported roles of PXR in various physiological and pathological processes including drug metabolism, cancer, inflammation, energy metabolism, and endobiotic homeostasis. We then highlight specific cellular and chemical routes that modulate PXR activity and discuss the functional consequences. Databases searched and inclusive dates: PubMed, 1 January 1980 to 10 January 2024. EXPERT OPINION Knowledge of PXR's drug metabolism function has helped drug developers produce small molecules without PXR-mediated metabolic liabilities, and further understanding of PXR's cellular functions may offer drug development opportunities in multiple disease settings.
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Affiliation(s)
- Rebecca R. Florke Gee
- Graduate School of Biomedical Sciences, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Andrew D. Huber
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
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Kang JH, Asai D, Toita R. Bisphenol A (BPA) and Cardiovascular or Cardiometabolic Diseases. J Xenobiot 2023; 13:775-810. [PMID: 38132710 PMCID: PMC10745077 DOI: 10.3390/jox13040049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023] Open
Abstract
Bisphenol A (BPA; 4,4'-isopropylidenediphenol) is a well-known endocrine disruptor. Most human exposure to BPA occurs through the consumption of BPA-contaminated foods. Cardiovascular or cardiometabolic diseases such as diabetes, obesity, hypertension, acute kidney disease, chronic kidney disease, and heart failure are the leading causes of death worldwide. Positive associations have been reported between blood or urinary BPA levels and cardiovascular or cardiometabolic diseases. BPA also induces disorders or dysfunctions in the tissues associated with these diseases through various cell signaling pathways. This review highlights the literature elucidating the relationship between BPA and various cardiovascular or cardiometabolic diseases and the potential mechanisms underlying BPA-mediated disorders or dysfunctions in tissues such as blood vessels, skeletal muscle, adipose tissue, liver, pancreas, kidney, and heart that are associated with these diseases.
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Affiliation(s)
- Jeong-Hun Kang
- National Cerebral and Cardiovascular Center Research Institute, 6-1 Shinmachi, Kishibe, Osaka 564-8565, Japan
| | - Daisuke Asai
- Laboratory of Microbiology, Showa Pharmaceutical University, 3-3165 Higashi-Tamagawagakuen, Tokyo 194-8543, Japan;
| | - Riki Toita
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Osaka 563-8577, Japan;
- AIST-Osaka University Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamadaoka, Osaka 565-0871, Japan
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Florke Gee RR, Huber AD, Wu J, Bajpai R, Loughran AJ, Pruett-Miller SM, Chen T. The F-box-only protein 44 regulates pregnane X receptor protein level by ubiquitination and degradation. Acta Pharm Sin B 2023; 13:4523-4534. [PMID: 37969738 PMCID: PMC10638512 DOI: 10.1016/j.apsb.2023.07.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/24/2023] [Accepted: 06/13/2023] [Indexed: 11/17/2023] Open
Abstract
Pregnane X receptor (PXR) is a ligand-activated nuclear receptor that transcriptionally upregulates drug-metabolizing enzymes [e.g., cytochrome P450 3A4 (CYP3A4)] and transporters. Although the regulation of PXR target genes is well-characterized, less is known about the regulation of PXR protein level. By screening an RNAi library, we identified the F-box-only protein 44 (FBXO44) as a novel E3 ligase for PXR. PXR abundance increases upon knockdown of FBXO44, and, inversely, decreases upon overexpression of FBXO44. Further analysis revealed that FBXO44 interacts with PXR, leading to its ubiquitination and proteasomal degradation, and we determined that the F-box associated domain of FBXO44 and the ligand binding domain of PXR are required for the functional interaction. In summary, FBXO44 regulates PXR protein abundance, which has downstream consequences for CYP3A4 levels and drug-drug interactions. The results of this study provide new insight into the molecular mechanisms that regulate PXR protein level and activity and suggest the importance of considering how modulating E3 ubiquitin ligase activities will affect PXR-mediated drug metabolism.
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Affiliation(s)
- Rebecca R. Florke Gee
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
- Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Andrew D. Huber
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jing Wu
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Richa Bajpai
- Center for Advanced Genome Engineering and Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Allister J. Loughran
- Center for Advanced Genome Engineering and Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Shondra M. Pruett-Miller
- Center for Advanced Genome Engineering and Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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Kodila A, Franko N, Sollner Dolenc M. A review on immunomodulatory effects of BPA analogues. Arch Toxicol 2023; 97:1831-1846. [PMID: 37204436 PMCID: PMC10256647 DOI: 10.1007/s00204-023-03519-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 05/11/2023] [Indexed: 05/20/2023]
Abstract
Bisphenol A (BPA) is a known endocrine disruptor found in many consumer products that humans come into contact with on a daily basis. Due to increasing concerns about the safety of BPA and the introduction of new legislation restricting its use, industry has responded by adopting new, less studied BPA analogues that have similar polymer-forming properties. Some BPA analogues have already been shown to exhibit effects similar to BPA, for example, contributing to endocrine disruption through agonistic or antagonistic behaviour at various nuclear receptors such as estrogen (ER), androgen (AR), glucocorticoid (GR), aryl hydrocarbon (AhR), and pregnane X receptor (PXR). Since the European Food Safety Authority (EFSA) issued a draft re-evaluation of BPA and drastically reduced the temporary tolerable daily intake (t-TDI) of BPA from 4 mg/kg body weight/day to 0.2 ng/kg body weight/day due to increasing concern about the toxic properties of BPA, including its potential to disrupt immune system processes, we conducted a comprehensive review of the immunomodulatory activity of environmentally abundant BPA analogues. The results of the review suggest that BPA analogues may affect both the innate and acquired immune systems and can contribute to various immune-mediated conditions such as hypersensitivity reactions, allergies, and disruption of the human microbiome.
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Affiliation(s)
- Anja Kodila
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva cesta 7, 1000, Ljubljana, Slovenia
| | - Nina Franko
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva cesta 7, 1000, Ljubljana, Slovenia
| | - Marija Sollner Dolenc
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva cesta 7, 1000, Ljubljana, Slovenia.
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Jiang W, Ding K, Huang W, Xu F, Lei M, Yue R. Potential effects of bisphenol A on diabetes mellitus and its chronic complications: A narrative review. Heliyon 2023; 9:e16340. [PMID: 37251906 PMCID: PMC10213369 DOI: 10.1016/j.heliyon.2023.e16340] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/31/2023] Open
Abstract
Diabetes mellitus (DM) is a metabolic disease caused by multiple factors such as genetics, environment, and lifestyle. Bisphenol A (BPA), as one of the most common endocrine-disrupting chemicals (EDCs), has been strongly implicated in the development of type 2 diabetes mellitus (T2DM). BPA exposure is associated with target organ damage in DM and may exacerbate the progression of some chronic complications of DM. This paper reviews relevant epidemiological, in vivo, and in vitro studies to better understand BPA's potential risk associations and pathological mechanisms in several chronic diabetic complications.
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Affiliation(s)
- Wei Jiang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Kaixi Ding
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Wenjie Huang
- Chengdu University of Technology, College of Ecology and Environment, Chengdu, 610075, China
| | - Feng Xu
- School of Engineering and Built Environment, Griffith University, Nathan, QLD, 4111, Australia
| | - Ming Lei
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Rensong Yue
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
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Hernandez R, Shi J, Liu J, Li X, Wu J, Zhao L, Zhou T, Chen Q, Zhou C. PANDORA-Seq unveils the hidden small noncoding RNA landscape in atherosclerosis of LDL receptor-deficient mice. J Lipid Res 2023; 64:100352. [PMID: 36871792 PMCID: PMC10119612 DOI: 10.1016/j.jlr.2023.100352] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 02/08/2023] [Accepted: 02/25/2023] [Indexed: 03/06/2023] Open
Abstract
Small noncoding RNAs (sncRNAs) play diverse roles in numerous biological processes. While the widely used RNA sequencing (RNA-Seq) method has advanced sncRNA discovery, RNA modifications can interfere with the complementary DNA library construction process, preventing the discovery of highly modified sncRNAs including transfer RNA-derived small RNAs (tsRNAs) and ribosomal RNA-derived small RNAs (rsRNAs) that may have important functions in disease development. To address this technical obstacle, we recently developed a novel PANDORA-Seq (Panoramic RNA Display by Overcoming RNA Modification Aborted Sequencing) method to overcome RNA modification-elicited sequence interferences. To identify novel sncRNAs associated with atherosclerosis development, LDL receptor-deficient (LDLR-/-) mice were fed a low-cholesterol diet or high-cholesterol diet (HCD) for 9 weeks. Total RNAs isolated from the intima were subjected to PANDORA-Seq and traditional RNA-Seq. By overcoming RNA modification-elicited limitations, PANDORA-Seq unveiled an rsRNA/tsRNA-enriched sncRNA landscape in the atherosclerotic intima of LDLR-/- mice, which was strikingly different from that detected by traditional RNA-Seq. While microRNAs were the dominant sncRNAs detected by traditional RNA-Seq, PANDORA-Seq substantially increased the reads of rsRNAs and tsRNAs. PANDORA-Seq also detected 1,383 differentially expressed sncRNAs induced by HCD feeding, including 1,160 rsRNAs and 195 tsRNAs. One of HCD-induced intimal tsRNAs, tsRNA-Arg-CCG, may contribute to atherosclerosis development by regulating the proatherogenic gene expression in endothelial cells. Overall, PANDORA-Seq revealed a hidden rsRNA and tsRNA population associated with atherosclerosis development. These understudied tsRNAs and rsRNAs, which are much more abundant than microRNAs in the atherosclerotic intima of LDLR-/- mice, warrant further investigations.
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Affiliation(s)
- Rebecca Hernandez
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Junchao Shi
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Jingwei Liu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Xiuchun Li
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Jake Wu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Linlin Zhao
- Department of Chemistry, University of California, Riverside, CA, USA
| | - Tong Zhou
- Department of Physiology and Cell Biology, Reno School of Medicine, University of Nevada, Reno, NV, USA
| | - Qi Chen
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA; Molecular Medicine Program, Division of Urology, Department of Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Changcheng Zhou
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA.
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Wang M, Yang Y, Xu Y. Brain nuclear receptors and cardiovascular function. Cell Biosci 2023; 13:14. [PMID: 36670468 PMCID: PMC9854230 DOI: 10.1186/s13578-023-00962-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 01/12/2023] [Indexed: 01/22/2023] Open
Abstract
Brain-heart interaction has raised up increasing attentions. Nuclear receptors (NRs) are abundantly expressed in the brain, and emerging evidence indicates that a number of these brain NRs regulate multiple aspects of cardiovascular diseases (CVDs), including hypertension, heart failure, atherosclerosis, etc. In this review, we will elaborate recent findings that have established the physiological relevance of brain NRs in the context of cardiovascular function. In addition, we will discuss the currently available evidence regarding the distinct neuronal populations that respond to brain NRs in the cardiovascular control. These findings suggest connections between cardiac control and brain dynamics through NR signaling, which may lead to novel tools for the treatment of pathological changes in the CVDs.
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Affiliation(s)
- Mengjie Wang
- Department of Pediatrics, USDA/ARS Children’s Nutrition Research Center, Baylor College of Medicine, Houston, TX USA
| | - Yongjie Yang
- Department of Pediatrics, USDA/ARS Children’s Nutrition Research Center, Baylor College of Medicine, Houston, TX USA
| | - Yong Xu
- Department of Pediatrics, USDA/ARS Children’s Nutrition Research Center, Baylor College of Medicine, Houston, TX USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX USA
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12
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HDL Functions-Current Status and Future Perspectives. Biomolecules 2023; 13:biom13010105. [PMID: 36671490 PMCID: PMC9855960 DOI: 10.3390/biom13010105] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/28/2022] [Accepted: 12/30/2022] [Indexed: 01/06/2023] Open
Abstract
Cardiovascular disease (CVD) is the leading cause of death in Western countries. A low HDL-C is associated with the development of CVD. However, recent epidemiology studies have shown U-shaped curves between HDL-C and CVD mortality, with paradoxically increased CVD mortality in patients with extremely high HDL-C levels. Furthermore, HDL-C raising therapy using nicotinic acids or CETP inhibitors mostly failed to reduce CVD events. Based on this background, HDL functions rather than HDL-C could be a novel biomarker; research on the clinical utility of HDL functionality is ongoing. In this review, we summarize the current status of HDL functions and their future perspectives from the findings of basic research and clinical trials.
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13
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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: 5] [Impact Index Per Article: 1.7] [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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14
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Sun L, Sun Z, Wang Q, Zhang Y, Jia Z. Role of nuclear receptor PXR in immune cells and inflammatory diseases. Front Immunol 2022; 13:969399. [PMID: 36119030 PMCID: PMC9481241 DOI: 10.3389/fimmu.2022.969399] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/19/2022] [Indexed: 11/25/2022] Open
Abstract
Pregnane X receptor (PXR, NR1I2), a prototypical member of the nuclear receptor superfamily, has been implicated in various processes including metabolism, immune response, and inflammation. The immune system is made up of many interdependent parts, including lymphoid organs, cells, and cytokines, which play important roles in identifying, repelling, and eliminating pathogens and other foreign chemicals. An impaired immune system could contribute to various physical dysfunction, including severe infections, allergic diseases, autoimmune disorders, and other inflammatory diseases. Recent studies revealed the involvement of PXR in the pathogenesis of immune disorders and inflammatory responses. Thus, the aim of this work is to review and discuss the advances in research associated with PXR on immunity and inflammatory diseases and to provide insights into the development of therapeutic interventions of immune disorders and inflammatory diseases by targeting PXR.
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Affiliation(s)
- Le Sun
- Nanjing Key Laboratory of Pediatrics, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Zhenzhen Sun
- Nanjing Key Laboratory of Pediatrics, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Qian Wang
- Nanjing Key Laboratory of Pediatrics, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Yue Zhang
- Nanjing Key Laboratory of Pediatrics, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Yue Zhang, ; Zhanjun Jia,
| | - Zhanjun Jia
- Nanjing Key Laboratory of Pediatrics, Children’s Hospital of Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Children’s Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Yue Zhang, ; Zhanjun Jia,
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15
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Sirasanagandla SR, Al-Huseini I, Sakr H, Moqadass M, Das S, Juliana N, Abu IF. Natural Products in Mitigation of Bisphenol A Toxicity: Future Therapeutic Use. Molecules 2022; 27:molecules27175384. [PMID: 36080155 PMCID: PMC9457803 DOI: 10.3390/molecules27175384] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/13/2022] [Accepted: 08/16/2022] [Indexed: 11/23/2022] Open
Abstract
Bisphenol A (BPA) is a ubiquitous environmental toxin with deleterious endocrine-disrupting effects. It is widely used in producing epoxy resins, polycarbonate plastics, and polyvinyl chloride plastics. Human beings are regularly exposed to BPA through inhalation, ingestion, and topical absorption routes. The prevalence of BPA exposure has considerably increased over the past decades. Previous research studies have found a plethora of evidence of BPA’s harmful effects. Interestingly, even at a lower concentration, this industrial product was found to be harmful at cellular and tissue levels, affecting various body functions. A noble and possible treatment could be made plausible by using natural products (NPs). In this review, we highlight existing experimental evidence of NPs against BPA exposure-induced adverse effects, which involve the body’s reproductive, neurological, hepatic, renal, cardiovascular, and endocrine systems. The review also focuses on the targeted signaling pathways of NPs involved in BPA-induced toxicity. Although potential molecular mechanisms underlying BPA-induced toxicity have been investigated, there is currently no specific targeted treatment for BPA-induced toxicity. Hence, natural products could be considered for future therapeutic use against adverse and harmful effects of BPA exposure.
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Affiliation(s)
- Srinivasa Rao Sirasanagandla
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Isehaq Al-Huseini
- College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Hussein Sakr
- College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Marzie Moqadass
- College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Srijit Das
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman
- Correspondence: or
| | - Norsham Juliana
- Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Nilai 71800, Malaysia
| | - Izuddin Fahmy Abu
- Institute of Medical Science Technology, Universiti Kuala Lumpur, Kuala Lumpur 50250, Malaysia
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16
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Dias P, Tvdrý V, Jirkovský E, Dolenc MS, Peterlin Mašič L, Mladěnka P. The effects of bisphenols on the cardiovascular system. Crit Rev Toxicol 2022; 52:66-87. [PMID: 35394415 DOI: 10.1080/10408444.2022.2046690] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Bisphenols, endocrine disrupting chemicals, have frequently been used for producing food packaging materials. The best-known member, bisphenol A (BPA), has been linked to impaired foetal development in animals. Possible negative effects of BPA on human health have resulted in the production of novel, so-called next-generation (NextGen) bisphenols whose effects on humans are much less explored or even missing. This review aimed to summarise and critically assess the main findings and shortages in current bisphenol research in relation to their potential impact on the cardiovascular system in real biological exposure. Because of the common presence of bisphenols in daily use products, humans are clearly exposed to these compounds. Most data are available on BPA, where total serum levels (i.e. included conjugated metabolite) can reach up to ∼430 nM, while free bisphenol levels have been reported up to ∼80 nM. Limited data are available for other bisphenols, but maximal serum levels of bisphenol S have been reported (680 nM). Such levels seem to be negligible, although in vitro studies have showed effects on ion channels, and thyroid, oestrogenic and androgenic receptors in low micromolar concentrations. Ex vivo studies suggest vasodilatory effects of bisphenols. This stays in clear contrast to the elevation of arterial blood pressure documented in vivo and in observatory cross-sectional human studies. Bisphenols are also claimed to have a negative effect on lipidic spectrum and coronary artery disease. Regardless, the reported data are generally inconsistent and unsatisfactory. Hence novel well-designed studies, testing in particular NextGen bisphenols, are needed.
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Affiliation(s)
- Patrícia Dias
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Václav Tvdrý
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Eduard Jirkovský
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | | | | | - Přemysl Mladěnka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
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17
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Meng Z, Hernandez R, Liu J, Gwag T, Lu W, Hsiai TK, Kaul M, Zhou T, Zhou C. HIV Protein Tat Induces Macrophage Dysfunction and Atherosclerosis Development in Low-Density Lipoprotein Receptor-Deficient Mice. Cardiovasc Drugs Ther 2022; 36:201-215. [PMID: 33459922 PMCID: PMC8286272 DOI: 10.1007/s10557-021-07141-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/06/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE HIV infection is consistently associated with an increased risk of atherosclerotic cardiovascular disease, but the underlying mechanisms remain elusive. HIV protein Tat, a transcriptional activator of HIV, has been shown to activate NF-κB signaling and promote inflammation in vitro. However, the atherogenic effects of HIV Tat have not been investigated in vivo. Macrophages are one of the major cell types involved in the initiation and progression of atherosclerosis. We and others have previously revealed the important role of IκB kinase β (IKKβ), a central inflammatory coordinator through activating NF-κB, in the regulation of macrophage functions and atherogenesis. This study investigated the impact of HIV Tat exposure on macrophage functions and atherogenesis. METHODS To investigate the effects of Tat on macrophage IKKβ activation and atherosclerosis development in vivo, myeloid-specific IKKβ-deficient LDLR-deficient (IKKβΔMyeLDLR-/-) mice and their control littermates (IKKβF/FLDLR-/-) were exposed to recombinant HIV protein Tat. RESULTS Exposure to Tat significantly increased atherosclerotic lesion size and plaque vulnerability in IKKβF/FLDLR-/- but not IKKβΔMyeLDLR-/- mice. Deficiency of myeloid IKKβ attenuated Tat-elicited macrophage inflammatory responses and atherosclerotic lesional inflammation in IKKβΔMyeLDLR-/- mice. Further, RNAseq analysis demonstrated that HIV protein Tat affects the expression of many atherosclerosis-related genes in vitro in an IKKβ-dependent manner. CONCLUSIONS Our findings reveal atherogenic effects of HIV protein Tat in vivo and demonstrate a pivotal role of myeloid IKKβ in Tat-driven atherogenesis.
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Affiliation(s)
- Zhaojie Meng
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Rebecca Hernandez
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Jingwei Liu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Taesik Gwag
- Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Weiwei Lu
- Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Tzung K Hsiai
- Departments of Medicine and Bioengineering, David Geffen School of Medicine, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, CA, USA
| | - Marcus Kaul
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA
| | - Tong Zhou
- Department of Physiology and Cell Biology, Reno School of Medicine, University of Nevada, Reno, NV, USA
| | - Changcheng Zhou
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA, USA.
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18
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Liu J, Hernandez R, Li X, Meng Z, Chen H, Zhou C. Pregnane X Receptor Mediates Atherosclerosis Induced by Dicyclohexyl Phthalate in LDL Receptor-Deficient Mice. Cells 2022; 11:1125. [PMID: 35406689 PMCID: PMC8997706 DOI: 10.3390/cells11071125] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/17/2022] [Accepted: 03/22/2022] [Indexed: 12/17/2022] Open
Abstract
Plastic-associated endocrine disrupting chemicals (EDCs) have been implicated in the etiology of cardiovascular disease (CVD) in humans, but the underlying mechanisms remain elusive. Dicyclohexyl phthalate (DCHP) is a widely used phthalate plasticizer; whether and how exposure to DCHP elicits adverse effects in vivo is mostly unknown. We previously reported that DCHP is a potent ligand of the pregnane X receptor (PXR) which acts as a xenobiotic sensor to regulate xenobiotic metabolism. PXR also functions in macrophages to regulate atherosclerosis development in animal models. In the current study, LDL receptor-deficient mice with myeloid-specific PXR deficiency (PXRΔMyeLDLR-/-) and their control littermates (PXRF/FLDLR-/-) were used to determine the impact of DCHP exposure on macrophage function and atherosclerosis. Chronic exposure to DCHP significantly increased atherosclerotic lesion area in the aortic root and brachiocephalic artery of PXRF/FLDLR-/- mice by 65% and 77%, respectively. By contrast, DCHP did not affect atherosclerosis development in PXRΔMyeLDLR-/- mice. Exposure to DCHP led to elevated expression of the scavenger receptor CD36 in macrophages and increased macrophage form cell formation in PXRF/FLDLR-/- mice. Our findings provide potential mechanisms underlying phthalate-associated CVD risk and will ultimately stimulate further investigations and mitigation of the adverse effects of plastic-associated EDCs on CVD risk in humans.
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Affiliation(s)
- Jingwei Liu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, USA; (J.L.); (R.H.); (X.L.); (Z.M.)
| | - Rebecca Hernandez
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, USA; (J.L.); (R.H.); (X.L.); (Z.M.)
| | - Xiuchun Li
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, USA; (J.L.); (R.H.); (X.L.); (Z.M.)
| | - Zhaojie Meng
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, USA; (J.L.); (R.H.); (X.L.); (Z.M.)
| | - Hong Chen
- Department of Surgery, Vascular Biology Program, Harvard Medical School, Boston Children’s Hospital, Boston, MA 02115, USA;
| | - Changcheng Zhou
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521, USA; (J.L.); (R.H.); (X.L.); (Z.M.)
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19
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Lv Y, Luo YY, Ren HW, Li CJ, Xiang ZX, Luan ZL. The role of pregnane X receptor (PXR) in substance metabolism. Front Endocrinol (Lausanne) 2022; 13:959902. [PMID: 36111293 PMCID: PMC9469194 DOI: 10.3389/fendo.2022.959902] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/28/2022] [Indexed: 12/04/2022] Open
Abstract
As a member of the nuclear receptor (NR) superfamily, pregnane X receptor (PXR; NR1I2) is a ligand-activated transcription factor that plays a crucial role in the metabolism of xenobiotics and endobiotics in mammals. The tissue distribution of PXR is parallel to its function with high expression in the liver and small intestine and moderate expression in the kidney, stomach, skin, and blood-brain barrier, which are organs and tissues in frequent contact with xenobiotics. PXR was first recognized as an exogenous substance receptor regulating metabolizing enzymes and transporters and functioning in detoxification and drug metabolism in the liver. However, further research revealed that PXR acts as an equally important endogenous substance receptor in the metabolism and homeostasis of endogenous substances. In this review, we summarized the functions of PXR in metabolism of different substances such as glucose, lipid, bile acid, vitamin, minerals, and endocrines, and also included insights of the application of PXR ligands (drugs) in specific diseases.
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Affiliation(s)
- Ye Lv
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Yi-Yang Luo
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Hui-Wen Ren
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
- Dalian Key Laboratory for Nuclear Receptors in Major Metabolic Diseases, Dalian Medical University, Dalian, China
| | - Cheng-Jie Li
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Zhi-Xin Xiang
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Zhi-Lin Luan
- Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
- Dalian Key Laboratory for Nuclear Receptors in Major Metabolic Diseases, Dalian Medical University, Dalian, China
- *Correspondence: Zhi-Lin Luan,
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20
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Sui Y, Meng Z, Chen J, Liu J, Hernandez R, Gonzales MB, Gwag T, Morris AJ, Zhou C. Effects of Dicyclohexyl Phthalate Exposure on PXR Activation and Lipid Homeostasis in Mice. ENVIRONMENTAL HEALTH PERSPECTIVES 2021; 129:127001. [PMID: 34851150 PMCID: PMC8634903 DOI: 10.1289/ehp9262] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
BACKGROUND Exposure to plastic-associated endocrine disrupting chemicals (EDCs) has been associated with an increased risk of cardiovascular disease (CVD) in humans. However, the underlying mechanisms for this association are unclear. Many EDCs have been shown to function as ligands of the nuclear receptor pregnane X receptor (PXR), which functions as xenobiotic sensor but also has pro-atherogenic effects in vivo. OBJECTIVE We sought to investigate the contribution of PXR to the adverse effects dicyclohexyl phthalate (DCHP), a widely used phthalate plasticizer, on lipid homeostasis and CVD risk factors. METHODS Cell-based assays, primary organoid cultures, and PXR conditional knockout and PXR-humanized mouse models were used to investigate the impact of DCHP exposure on PXR activation and lipid homeostasis in vitro and in vivo. Targeted lipidomics were performed to measure circulating ceramides, novel predictors for CVD. RESULTS DCHP was identified as a potent PXR-selective agonist that led to higher plasma cholesterol levels in wild-type mice. DCHP was then demonstrated to activate intestinal PXR to elicit hyperlipidemia by using tissue-specific PXR-deficient mice. Interestingly, DCHP exposure also led to higher circulating ceramides in a PXR-dependent manner. DCHP-mediated PXR activation stimulated the expression of intestinal genes mediating lipogenesis and ceramide synthesis. Given that PXR exhibits considerable species-specific differences in receptor pharmacology, PXR-humanized mice were also used to replicate these findings. DISCUSSION Although the adverse health effects of several well-known phthalates have attracted considerable attention, little is known about the potential impact of DCHP on human health. Our studies demonstrate that DCHP activated PXR to induce hypercholesterolemia and ceramide production in mice. These results indicate a potentially important role of PXR in contributing to the deleterious effects of plastic-associated EDCs on cardiovascular health in humans. Testing PXR activation should be considered for risk assessment of phthalates and other EDCs. https://doi.org/10.1289/EHP9262.
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Affiliation(s)
- Yipeng Sui
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky
| | - Zhaojie Meng
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, California
| | - Jianzhong Chen
- Division of Cardiovascular Medicine, College of Medicine and Lexington Veterans Affairs Medical Center, University of Kentucky, Lexington, Kentucky
| | - Jingwei Liu
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, California
| | - Rebecca Hernandez
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, California
| | - Miko B. Gonzales
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, California
| | - Taesik Gwag
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky
| | - Andrew J. Morris
- Division of Cardiovascular Medicine, College of Medicine and Lexington Veterans Affairs Medical Center, University of Kentucky, Lexington, Kentucky
| | - Changcheng Zhou
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, California
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21
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Pereira-Dutra FS, Bozza PT. Lipid droplets diversity and functions in inflammation and immune response. Expert Rev Proteomics 2021; 18:809-825. [PMID: 34668810 DOI: 10.1080/14789450.2021.1995356] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Lipid droplets (LDs) are dynamic and evolutionary conserved lipid-enriched organelles composed of a core of neutral lipids surrounded by a monolayer of phospholipids associated with a diverse array of proteins that are cell- and stimulus-regulated. Far beyond being simply a deposit of neutral lipids, accumulating evidence demonstrate that LDs act as spatial and temporal local for lipid and protein compartmentalization and signaling organization. AREAS COVERED This review focuses on the progress in our understanding of LD protein diversity and LD functions in the context of cell signaling and immune responses, highlighting the relationship between LD composition with the multiple roles of this organelle in immunometabolism, inflammation and host-response to infection. EXPERT OPINION LDs are essential platforms for various cellular processes, including metabolic regulation, cell signaling, and immune responses. The functions of LD in infection and inflammatory disease are associated with the dynamic and complexity of their proteome. Our contemporary view place LDs as critical regulators of different inflammatory and infectious diseases and key markers of leukocyte activation.
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Affiliation(s)
- Filipe S Pereira-Dutra
- Laboratório de Imunofarmacologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Patrícia T Bozza
- Laboratório de Imunofarmacologia, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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22
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Lind L, Araujo JA, Barchowsky A, Belcher S, Berridge BR, Chiamvimonvat N, Chiu WA, Cogliano VJ, Elmore S, Farraj AK, Gomes AV, McHale CM, Meyer-Tamaki KB, Posnack NG, Vargas HM, Yang X, Zeise L, Zhou C, Smith MT. Key Characteristics of Cardiovascular Toxicants. ENVIRONMENTAL HEALTH PERSPECTIVES 2021; 129:95001. [PMID: 34558968 PMCID: PMC8462506 DOI: 10.1289/ehp9321] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
BACKGROUND The concept of chemical agents having properties that confer potential hazard called key characteristics (KCs) was first developed to identify carcinogenic hazards. Identification of KCs of cardiovascular (CV) toxicants could facilitate the systematic assessment of CV hazards and understanding of assay and data gaps associated with current approaches. OBJECTIVES We sought to develop a consensus-based synthesis of scientific evidence on the KCs of chemical and nonchemical agents known to cause CV toxicity along with methods to measure them. METHODS An expert working group was convened to discuss mechanisms associated with CV toxicity. RESULTS The group identified 12 KCs of CV toxicants, defined as exogenous agents that adversely interfere with function of the CV system. The KCs were organized into those primarily affecting cardiac tissue (numbers 1-4 below), the vascular system (5-7), or both (8-12), as follows: 1) impairs regulation of cardiac excitability, 2) impairs cardiac contractility and relaxation, 3) induces cardiomyocyte injury and death, 4) induces proliferation of valve stroma, 5) impacts endothelial and vascular function, 6) alters hemostasis, 7) causes dyslipidemia, 8) impairs mitochondrial function, 9) modifies autonomic nervous system activity, 10) induces oxidative stress, 11) causes inflammation, and 12) alters hormone signaling. DISCUSSION These 12 KCs can be used to help identify pharmaceuticals and environmental pollutants as CV toxicants, as well as to better understand the mechanistic underpinnings of their toxicity. For example, evidence exists that fine particulate matter [PM ≤2.5μm in aerodynamic diameter (PM2.5)] air pollution, arsenic, anthracycline drugs, and other exogenous chemicals possess one or more of the described KCs. In conclusion, the KCs could be used to identify potential CV toxicants and to define a set of test methods to evaluate CV toxicity in a more comprehensive and standardized manner than current approaches. https://doi.org/10.1289/EHP9321.
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Affiliation(s)
- Lars Lind
- Department of Medical Sciences, Clinical Epidemiology, University of Uppsala, Sweden
| | - Jesus A. Araujo
- Division of Cardiology, David Geffen School of Medicine at University of California Los Angeles (UCLA), UCLA, Los Angeles, California, USA
- Department of Environmental Health Sciences, Fielding School of Public Health and Molecular Biology Institute, UCLA, Los Angeles, California, USA
| | - Aaron Barchowsky
- Department of Environmental and Occupational Health, Graduate School of Public Health, University of Pittsburgh, Pennsylvania, USA
| | - Scott Belcher
- Department of Biological Sciences, North Carolina State University, North Carolina, USA
| | - Brian R. Berridge
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
| | - Nipavan Chiamvimonvat
- Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - Weihsueh A. Chiu
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Vincent J. Cogliano
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency (EPA), Oakland, California, USA
| | - Sarah Elmore
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency (EPA), Oakland, California, USA
| | - Aimen K. Farraj
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. EPA, Research Triangle Park, North Carolina, USA
| | - Aldrin V. Gomes
- Department of Neurobiology, Physiology and Behavior, College of Biological Sciences, University of California, Davis, Davis, California, USA
| | - Cliona M. McHale
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | | | - Nikki Gillum Posnack
- Children’s National Heart Institute and the Sheikh Zayed Institute for Pediatric Surgical Innovation, Children’s National Hospital, Washington, DC, USA
| | - Hugo M. Vargas
- Translational Safety & Bioanalytical Sciences, Amgen, Inc., Thousand Oaks, California, USA
| | - Xi Yang
- Division of Pharmacology and Toxicology, Office of Cardiology, Hematology, Endocrinology, and Nephrology, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
| | - Lauren Zeise
- Office of Environmental Health Hazard Assessment, California Environmental Protection Agency (EPA), Oakland, California, USA
| | - Changcheng Zhou
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, Riverside, California, USA
| | - Martyn T. Smith
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
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Chen YK, Tan YY, Yao M, Lin HC, Tsai MH, Li YY, Hsu YJ, Huang TT, Chang CW, Cheng CM, Chuang CY. Bisphenol A-induced DNA damages promote to lymphoma progression in human lymphoblastoid cells through aberrant CTNNB1 signaling pathway. iScience 2021; 24:102888. [PMID: 34401669 PMCID: PMC8350018 DOI: 10.1016/j.isci.2021.102888] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 05/24/2021] [Accepted: 07/19/2021] [Indexed: 01/10/2023] Open
Abstract
Lymphoma is a group of blood cancers that develop from the immune system, and one of the main risk factors is associated with exposure to environmental chemicals. Bisphenol A (BPA) is a common chemical used in the manufacture of materials in polycarbonate and epoxy plastic products and can interfere with the immune system. BPA is considered to possibly induce lymphoma development by affecting the immune system, but its potential mechanisms have not been well established. This study performed a gene-network analysis of microarray data sets in human lymphoma tissues as well as in human cells with BPA exposure to explore module genes and construct the potential pathway for lymphomagenesis in response to BPA. This study provided evidence that BPA exposure resulted in disrupted cell cycle and DNA damage by activating CTNNB1, the initiator of the aberrant constructed CTNNB1-NFKB1-AR-IGF1-TWIST1 pathway, which may potentially lead to lymphomagenesis.
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Affiliation(s)
- Yin-Kai Chen
- Department of Hematology, National Taiwan University Cancer Center, Taipei, 106, Taiwan
| | - Yan-Yan Tan
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Min Yao
- Division of Hematology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, 100, Taiwan
| | - Ho-Chen Lin
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Mon-Hsun Tsai
- Institute of Biotechnology, National Taiwan University, Taipei, 106, Taiwan
| | - Yu-Yun Li
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Yih-Jen Hsu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, 100, Taiwan
| | - Tsung-Tao Huang
- Biomedical Platform and Incubation Service Division, Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu, 302, Taiwan
| | - Chia-Wei Chang
- Biomedical Platform and Incubation Service Division, Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu, 302, Taiwan
| | - Chih-Ming Cheng
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, 310, Taiwan
- Mike & Clement TECH Co., Ltd., Changhua Country, Taiwan
| | - Chun-Yu Chuang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101, section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
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24
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Intermedin 1-53 attenuates atherosclerotic plaque vulnerability by inhibiting CHOP-mediated apoptosis and inflammasome in macrophages. Cell Death Dis 2021; 12:436. [PMID: 33934111 PMCID: PMC8088440 DOI: 10.1038/s41419-021-03712-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 12/19/2022]
Abstract
Atherosclerotic plaque vulnerability and rupture increase the risk of acute coronary syndromes. Advanced lesion macrophage apoptosis plays important role in the rupture of atherosclerotic plaque, and endoplasmic reticulum stress (ERS) has been proved to be a key mechanism of macrophage apoptosis. Intermedin (IMD) is a regulator of ERS. Here, we investigated whether IMD enhances atherosclerotic plaque stability by inhibiting ERS-CHOP-mediated apoptosis and subsequent inflammasome in macrophages. We studied the effects of IMD on features of plaque vulnerability in hyperlipemia apolipoprotein E-deficient (ApoE−/−) mice. Six-week IMD1-53 infusion significantly reduced atherosclerotic lesion size. Of note, IMD1-53 lowered lesion macrophage content and necrotic core size and increased fibrous cap thickness and vascular smooth muscle cells (VSMCs) content thus reducing overall plaque vulnerability. Immunohistochemical analysis indicated that IMD1-53 administration prevented ERS activation in aortic lesions of ApoE−/− mice, which was further confirmed in oxidized low-density lipoproteins (ox-LDL) induced macrophages. Similar to IMD, taurine (Tau), a non-selective ERS inhibitor significantly reduced atherosclerotic lesion size and plaque vulnerability. Moreover, C/EBP-homologous protein (CHOP), a pro-apoptosis transcription factor involved in ERS, was significantly increased in advanced lesion macrophages, and deficiency of CHOP stabilized atherosclerotic plaques in AopE−/− mice. IMD1-53 decreased CHOP level and apoptosis in vivo and in macrophages treated with ox-LDL. In addition, IMD1-53 infusion ameliorated NLRP3 inflammasome and subsequent proinflammatory cytokines in vivo and in vitro. IMD may attenuate the progression of atherosclerotic lesions and plaque vulnerability by inhibiting ERS-CHOP-mediated macrophage apoptosis, and subsequent NLRP3 triggered inflammation. The inhibitory effect of IMD on ERS-induced macrophages apoptosis was probably mediated by blocking CHOP activation.
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25
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Mechanistic insights into the synergistic activation of the RXR-PXR heterodimer by endocrine disruptor mixtures. Proc Natl Acad Sci U S A 2021; 118:2020551118. [PMID: 33361153 PMCID: PMC7817120 DOI: 10.1073/pnas.2020551118] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Many environmental pollutants act as endocrine disruptors that interfere with normal endocrine regulation and promote adverse effects in humans. As a major target of xenobiotics, the pregnane X receptor (PXR) is known to play opposite roles by both facilitating their clearance and mediating their toxic effects. Here, we use structural and functional approaches to describe two converging mechanisms leading to a robust synergistic stimulation of the PXR pathway by mixtures of three chemicals exhibiting very low efficacy when administered separately. This “cocktail effect” relies on two cooperative binding processes that enhance both ligand binding affinity and recruitment of transcriptional coactivators. Our findings show how chemical mixtures may alter physiology and homeostasis at concentrations where individual components are considered safe. Humans are chronically exposed to mixtures of xenobiotics referred to as endocrine-disrupting chemicals (EDCs). A vast body of literature links exposure to these chemicals with increased incidences of reproductive, metabolic, or neurological disorders. Moreover, recent data demonstrate that, when used in combination, chemicals have outcomes that cannot be predicted from their individual behavior. In its heterodimeric form with the retinoid X receptor (RXR), the pregnane X receptor (PXR) plays an essential role in controlling the mammalian xenobiotic response and mediates both beneficial and detrimental effects. Our previous work shed light on a mechanism by which a binary mixture of xenobiotics activates PXR in a synergistic fashion. Structural analysis revealed that mutual stabilization of the compounds within the ligand-binding pocket of PXR accounts for the enhancement of their binding affinity. In order to identify and characterize additional active mixtures, we combined a set of cell-based, biophysical, structural, and in vivo approaches. Our study reveals features that confirm the binding promiscuity of this receptor and its ability to accommodate bipartite ligands. We reveal previously unidentified binding mechanisms involving dynamic structural transitions and covalent coupling and report four binary mixtures eliciting graded synergistic activities. Last, we demonstrate that the robust activity obtained with two synergizing PXR ligands can be enhanced further in the presence of RXR environmental ligands. Our study reveals insights as to how low-dose EDC mixtures may alter physiology through interaction with RXR–PXR and potentially several other nuclear receptor heterodimers.
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26
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Mohsenzadeh MS, Razavi BM, Imenshahidi M, Mohajeri SA, Rameshrad M, Hosseinzadeh H. Evaluation of green tea extract and epigallocatechin gallate effects on bisphenol A-induced vascular toxicity in isolated rat aorta and cytotoxicity in human umbilical vein endothelial cells. Phytother Res 2020; 35:996-1009. [PMID: 32893422 DOI: 10.1002/ptr.6861] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/04/2020] [Accepted: 08/06/2020] [Indexed: 12/16/2022]
Abstract
This study was designed to assess bisphenol A (BPA)-induced vascular toxicity, the effectiveness of green tea extract and epigallocatechin gallate (EGCG) against BPA toxicity, and possible underlying mechanisms. In isolated rat aorta, contractile and relaxant responses as well as malondialdehyde levels were evaluated. Cell viability and effects on the protein levels of apoptotic (bax, bcl2, and caspase-3), autophagic (LC3), and cell adhesion molecules were calculated using the MTT method and western blotting in human umbilical vein endothelial cells (HUVECs). BPA increased aorta MDA levels (p < .0001) and decreased vascular responses to KCl [20 and 40 mM (p < .0001), 80 mM (p < .001)], phenylephrine [10-8 , 10-6 , and 10-5 M (p < .001), 10-7 and 10-4 M (p < .0001)], and acetylcholine [10-6 M (p < .01), 10-5 and 10-4 M (p < .0001)]. In HUVECs, BPA enhanced the levels of LC3A/B, bax/bcl2 ratio, cleaved caspase-3, and vascular cell adhesion molecule-1. Green tea extract, EGCG, and vitamin E co-treatment with BPA diminished the toxic effects of BPA. These findings provide evidence that green tea extract and EGCG possess beneficial effects in preventing BPA-induced vascular toxicity through increasing the antioxidant activities and the regulation of signaling pathways.
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Affiliation(s)
- Mahdieh Sadat Mohsenzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Targeted Drug Delivery Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Imenshahidi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Ahmad Mohajeri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Rameshrad
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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27
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Bao W, Liu B, Rong S, Dai SY, Trasande L, Lehmler HJ. Association Between Bisphenol A Exposure and Risk of All-Cause and Cause-Specific Mortality in US Adults. JAMA Netw Open 2020; 3:e2011620. [PMID: 32804211 PMCID: PMC7431989 DOI: 10.1001/jamanetworkopen.2020.11620] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
IMPORTANCE Bisphenol A (BPA) is a major public health concern because of its high-volume industrial production, ubiquitous exposure to humans, and potential toxic effects on multiple organs and systems in humans. However, prospective studies regarding the association of BPA exposure with long-term health outcomes are sparse. OBJECTIVE To examine the association of BPA exposure with all-cause mortality and cause-specific mortality among adults in the United States. DESIGN, SETTING, AND PARTICIPANTS This nationally representative cohort study included 3883 adults aged 20 years or older who participated in the US National Health and Nutrition Examination Survey 2003-2008 and provided urine samples for BPA level measurements. Participants were linked to mortality data from survey date through December 31, 2015. Data analyses were conducted in July 2019. EXPOSURES Urinary BPA levels were quantified using online solid-phase extraction coupled to high-performance liquid chromatography-isotope dilution tandem mass spectrometry. MAIN OUTCOMES AND MEASURES Mortality from all causes, cardiovascular disease, and cancer. RESULTS This cohort study included 3883 adults aged 20 years or older (weighted mean [SE] age, 43.6 [0.3] years; 2032 women [weighted, 51.4%]). During 36 514 person-years of follow-up (median, 9.6 years; maximum, 13.1 years), 344 deaths occurred, including 71 deaths from cardiovascular disease and 75 deaths from cancer. Participants with higher urinary BPA levels were at higher risk for death. After adjustment for age, sex, race/ethnicity, socioeconomic status, dietary and lifestyle factors, body mass index, and urinary creatinine levels, the hazard ratio comparing the highest vs lowest tertile of urinary BPA levels was 1.49 (95% CI, 1.01-2.19) for all-cause mortality, 1.46 (95% CI, 0.67-3.15) for cardiovascular disease mortality, and 0.98 (95% CI, 0.40-2.39) for cancer mortality. CONCLUSIONS AND RELEVANCE In this nationally representative cohort of US adults, higher BPA exposure was significantly associated with an increased risk of all-cause mortality. Further studies are needed to replicate these findings in other populations and determine the underlying mechanisms.
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Affiliation(s)
- Wei Bao
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City
| | - Buyun Liu
- Department of Epidemiology, College of Public Health, University of Iowa, Iowa City
| | - Shuang Rong
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College, Wuhan University of Science and Technology Wuhan, Hubei, China
| | - Susie Y. Dai
- State Hygienic Laboratory, University of Iowa, Iowa City
| | - Leonardo Trasande
- Department of Pediatrics, New York University School of Medicine, New York
| | - Hans-Joachim Lehmler
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City
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28
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Zhang YF, Shan C, Wang Y, Qian LL, Jia DD, Zhang YF, Hao XD, Xu HM. Cardiovascular toxicity and mechanism of bisphenol A and emerging risk of bisphenol S. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:137952. [PMID: 32213405 DOI: 10.1016/j.scitotenv.2020.137952] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/24/2020] [Accepted: 03/13/2020] [Indexed: 05/20/2023]
Abstract
Epidemiological and animal studies indicate that increased exposure to bisphenol A (BPA) induces various human cardiovascular diseases (CVDs), including myocardial infarction, arrhythmias, dilated cardiomyopathy, atherosclerosis, and hypertension. Bisphenol S (BPS), an alternative to BPA, is increasingly present in various consumer products and human bodies worldwide. Recently, emerging evidence has shown that BPS might be related to cardiovascular disorders. In this review, we present striking evidence of the correlation between BPA exposure and various CVDs, and show that a nonmonotonic dose-response curve (NMDRC) was common in studies of the CV effects of BPA in vivo. The CV impairment induced by low doses of BPA should be highlighted, especially during developmental exposure or during coexposure with other risk factors. Furthermore, we explored the possible underlying mechanisms of these effects-particularly nuclear receptor signaling, ion channels, and epigenetic mechanisms-and the possible participation of lipid metabolism, oxidative stress and cell signaling. As the potential risks of BPA exposure in humans are still noteworthy, studies of BPA in CVDs should be strengthened, especially with respect to the mechanisms, prevention and treatment. Moreover, the potential CV risk of BPS reported by in vivo studies calls for immediate epidemiological investigations and animal studies to reveal the relationships of BPS and other BPA alternatives with human CVDs.
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Affiliation(s)
- Yin-Feng Zhang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China.
| | - Chan Shan
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Yu Wang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Li-Li Qian
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Dong-Dong Jia
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Yi-Fei Zhang
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Xiao-Dan Hao
- Institute for Translational Medicine, College of Medicine, Qingdao University, Deng Zhou Road 38, Qingdao 266021, China
| | - Hai-Ming Xu
- Department of Occupational and Environmental Medicine, School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region, China.
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29
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Sui Y, Meng Z, Park SH, Lu W, Livelo C, Chen Q, Zhou T, Zhou C. Myeloid-specific deficiency of pregnane X receptor decreases atherosclerosis in LDL receptor-deficient mice. J Lipid Res 2020; 61:696-706. [PMID: 32170024 DOI: 10.1194/jlr.ra119000122] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 03/06/2020] [Indexed: 12/14/2022] Open
Abstract
The pregnane X receptor (PXR) is a nuclear receptor that can be activated by numerous drugs and xenobiotic chemicals. PXR thereby functions as a xenobiotic sensor to coordinately regulate host responses to xenobiotics by transcriptionally regulating many genes involved in xenobiotic metabolism. We have previously reported that PXR has pro-atherogenic effects in animal models, but how PXR contributes to atherosclerosis development in different tissues or cell types remains elusive. In this study, we generated an LDL receptor-deficient mouse model with myeloid-specific PXR deficiency (PXRΔMyeLDLR-/-) to elucidate the role of macrophage PXR signaling in atherogenesis. The myeloid PXR deficiency did not affect metabolic phenotypes and plasma lipid profiles, but PXRΔMyeLDLR-/- mice had significantly decreased atherosclerosis at both aortic root and brachiocephalic arteries compared with control littermates. Interestingly, the PXR deletion did not affect macrophage adhesion and migration properties, but reduced lipid accumulation and foam cell formation in the macrophages. PXR deficiency also led to decreased expression of the scavenger receptor CD36 and impaired lipid uptake in macrophages of the PXRΔMyeLDLR-/- mice. Further, RNA-Seq analysis indicated that treatment with a prototypical PXR ligand affects the expression of many atherosclerosis-related genes in macrophages in vitro. These findings reveal a pivotal role of myeloid PXR signaling in atherosclerosis development and suggest that PXR may be a potential therapeutic target in atherosclerosis management.
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Affiliation(s)
- Yipeng Sui
- Department of Pharmacology and Nutritional Sciences,University of Kentucky, Lexington, KY 40536
| | - Zhaojie Meng
- Department of Pharmacology and Nutritional Sciences,University of Kentucky, Lexington, KY 40536; Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521
| | - Se-Hyung Park
- Department of Pharmacology and Nutritional Sciences,University of Kentucky, Lexington, KY 40536
| | - Weiwei Lu
- Department of Pharmacology and Nutritional Sciences,University of Kentucky, Lexington, KY 40536
| | - Christopher Livelo
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521
| | - Qi Chen
- Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521
| | - Tong Zhou
- Department of Physiology and Cell Biology, Reno School of Medicine, University of Nevada, Reno, NV 89557
| | - Changcheng Zhou
- Department of Pharmacology and Nutritional Sciences,University of Kentucky, Lexington, KY 40536; Division of Biomedical Sciences, School of Medicine, University of California, Riverside, CA 92521. mailto:
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Gao P, Wang L, Yang N, Wen J, Zhao M, Su G, Zhang J, Weng D. Peroxisome proliferator-activated receptor gamma (PPARγ) activation and metabolism disturbance induced by bisphenol A and its replacement analog bisphenol S using in vitro macrophages and in vivo mouse models. ENVIRONMENT INTERNATIONAL 2020; 134:105328. [PMID: 31778932 DOI: 10.1016/j.envint.2019.105328] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 11/06/2019] [Accepted: 11/12/2019] [Indexed: 06/10/2023]
Abstract
Bisphenol A (BPA) and its replacement analog, bisphenol S (BPS), have been proposed as environmental obesogen to disrupt the lipid metabolism through regulating peroxisome proliferator-activated receptor gamma (PPARγ) receptor. However, there is a dearth of information on whether this biological effect can occur in human macrophage, a cell type which closely interacts with adipocytes and hepatocytes to control lipid metabolism. Here, we for the first time investigate the activity of BPA and BPS on PPARγ pathway in human macrophages. The results demonstrated that BPA and BPS served as activators of PPARγ in human macrophage cell line, and significantly induced the expression of lipid metabolism-related genes, including fatty acid binding protein 4 (FABP4), cluster of differentiation 36 (CD36) and nuclear receptor subfamily 1 group H member 3 (NR1H3). In PPARγ knockout cells, expression of these genes was down-regulated, suggesting that these genes are dependent on PPARγ. The underlying mechanisms were further investigated using an in vivo mouse model, and the results confirmed the induction of PPARγ and its respective target genes in mice following exposure to BPA or BPS. Moreover, the observed alteration of PPARγ expression highly correlated with the disturbance of metabolism profiles in liver tissues as detected by 1H Nuclear Magnetic Resonance (NMR)-based metabonomics. Overall, this study provided the first evidence that BPA and BPS activated PPARγ and its target genes in human macrophages, and provided comprehensive information to confirm that BPA and BPS disturb the metabolism through targeting PPARγ via both in vitro assays and in vivo animal models.
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Affiliation(s)
- Pingshi Gao
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Lei Wang
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Nanfei Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Rheumatology and Immunology, The Affiliated Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, School of Sciences, Nanjing University, Nanjing 210023, China
| | - Jingjing Wen
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Mengshu Zhao
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Guanyong Su
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Jianfa Zhang
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
| | - Dan Weng
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
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Park MH, Jeong E, Choudhury M. Mono-(2-Ethylhexyl)phthalate Regulates Cholesterol Efflux via MicroRNAs Regulated m6A RNA Methylation. Chem Res Toxicol 2019; 33:461-469. [DOI: 10.1021/acs.chemrestox.9b00367] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Min Hi Park
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, College Station, Texas 77843, United States
| | - Eunae Jeong
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, College Station, Texas 77843, United States
| | - Mahua Choudhury
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, College Station, Texas 77843, United States
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Trusca VG, Dumitrescu M, Fenyo IM, Tudorache IF, Simionescu M, Gafencu AV. The Mechanism of Bisphenol A Atherogenicity Involves Apolipoprotein A-I Downregulation through NF-κB Activation. Int J Mol Sci 2019; 20:E6281. [PMID: 31842455 PMCID: PMC6941038 DOI: 10.3390/ijms20246281] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/06/2019] [Accepted: 12/09/2019] [Indexed: 01/09/2023] Open
Abstract
Apolipoprotein A-I (apoA-I) is the major protein component of high-density lipoproteins (HDL), mediating many of its atheroprotective properties. Increasing data reveal the pro-atherogenic effects of bisphenol A (BPA), one of the most prevalent environmental chemicals. In this study, we investigated the mechanisms by which BPA exerts pro-atherogenic effects. For this, LDLR-/- mice were fed with a high-fat diet and treated with 50 µg BPA/kg body weight by gavage. After two months of treatment, the area of atherosclerotic lesions in the aorta, triglycerides and total cholesterol levels were significantly increased, while HDL-cholesterol was decreased in BPA-treated LDLR-/- mice as compared to control mice. Real-Time PCR data showed that BPA treatment decreased hepatic apoA-I expression. BPA downregulated the activity of the apoA-I promoter in a dose-dependent manner. This inhibitory effect was mediated by MEKK1/NF-κB signaling pathways. Transfection experiments using apoA-I promoter deletion mutants, chromatin immunoprecipitation, and protein-DNA interaction assays demonstrated that treatment of hepatocytes with BPA induced NF-κB signaling and thus the recruitment of p65/50 proteins to the multiple NF-κB binding sites located in the apoA-I promoter. In conclusion, BPA exerts pro-atherogenic effects downregulating apoA-I by MEKK1 signaling and NF-κB activation in hepatocytes.
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Affiliation(s)
| | | | | | | | | | - Anca V. Gafencu
- Institute of Cellular Biology and Pathology “Nicolae Simionescu”, 050568 Bucharest, Romania; (V.G.T.); (M.D.); (I.M.F.); (I.F.T.); (M.S.)
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Renaud L, Huff M, da Silveira WA, Angert M, Haas M, Hardiman G. Genome-Wide Analysis of Low Dose Bisphenol-A (BPA) Exposure in Human Prostate Cells. Curr Genomics 2019; 20:260-274. [PMID: 32030086 PMCID: PMC6983955 DOI: 10.2174/1389202920666190603123040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 05/23/2019] [Accepted: 05/24/2019] [Indexed: 02/07/2023] Open
Abstract
Endocrine disrupting compounds (EDCs) have the potential to cause adverse effects on wild-life and human health. Two important EDCs are the synthetic estrogen 17α-ethynylestradiol (EE2) and bisphenol-A (BPA) both of which are xenoestrogens (XEs) as they bind the estrogen receptor and dis-rupt estrogen physiology in mammals and other vertebrates. In the recent years the influence of XEs on oncogenes, specifically in relation to breast and prostate cancer has been the subject of considerable study.
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Affiliation(s)
- Ludivine Renaud
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Matthew Huff
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Willian A da Silveira
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Mila Angert
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Martin Haas
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Gary Hardiman
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
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Ijaz S, Ullah A, Shaheen G, Jahan S. Exposure of BPA and its alternatives like BPB, BPF, and BPS impair subsequent reproductive potentials in adult female Sprague Dawley rats. Toxicol Mech Methods 2019; 30:60-72. [DOI: 10.1080/15376516.2019.1652873] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Saman Ijaz
- Department of Animal Sciences, Reproductive Physiology Lab, Quaid-i-Azam University, Islamabad, Pakistan
| | - Asad Ullah
- Department of Animal Sciences, Reproductive Physiology Lab, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ghazala Shaheen
- Department of Animal Sciences, Reproductive Physiology Lab, Quaid-i-Azam University, Islamabad, Pakistan
| | - Sarwat Jahan
- Department of Animal Sciences, Reproductive Physiology Lab, Quaid-i-Azam University, Islamabad, Pakistan
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35
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Lu W, Park SH, Meng Z, Wang F, Zhou C. Deficiency of Adipocyte IKKβ Affects Atherosclerotic Plaque Vulnerability in Obese LDLR Deficient Mice. J Am Heart Assoc 2019; 8:e012009. [PMID: 31203708 PMCID: PMC6645619 DOI: 10.1161/jaha.119.012009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background Obesity‐associated chronic inflammation has been known to contribute to atherosclerosis development, but the underlying mechanisms remain elusive. Recent studies have revealed novel functions of IKKβ (inhibitor of NF‐κB [nuclear factor κB] kinase β), a key coordinator of inflammation through activation of NF‐κB, in atherosclerosis and adipose tissue development. However, it is not clear whether IKKβ signaling in adipocytes can also affect atherogenesis. This study aims to investigate the impact of adipocyte IKKβ expression on atherosclerosis development in lean and obese LDLR (low‐density lipoprotein receptor)–deficient (LDLR−/−) mice. Methods and Results To define the role of adipocyte IKKβ in atherogenesis, we generated adipocyte‐specific IKKβ‐deficient LDLR−/− (IKKβΔAdLDLR−/−) mice. Targeted deletion of IKKβ in adipocytes did not affect adiposity and atherosclerosis in lean LDLR−/− mice when fed a low‐fat diet. In response to high‐fat feeding, however, IKKβΔAdLDLR−/− mice had defective adipose remodeling and increased adipose tissue and systemic inflammation. Deficiency of adipocyte IKKβ did not affect atherosclerotic lesion sizes but resulted in enhanced lesional inflammation and increased plaque vulnerability in obese IKKβΔAdLDLR−/− mice. Conclusions These data demonstrate that adipocyte IKKβ signaling affects the evolution of atherosclerosis plaque vulnerability in obese LDLR−/− mice. This study suggests that the functions of IKKβ signaling in atherogenesis are complex, and IKKβ in different cell types or tissues may have different effects on atherosclerosis development.
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Affiliation(s)
- Weiwei Lu
- 1 Department of Pharmacology and Nutritional Sciences University of Kentucky Lexington KY
| | - Se-Hyung Park
- 1 Department of Pharmacology and Nutritional Sciences University of Kentucky Lexington KY
| | - Zhaojie Meng
- 1 Department of Pharmacology and Nutritional Sciences University of Kentucky Lexington KY
| | - Fang Wang
- 1 Department of Pharmacology and Nutritional Sciences University of Kentucky Lexington KY
| | - Changcheng Zhou
- 1 Department of Pharmacology and Nutritional Sciences University of Kentucky Lexington KY.,2 Saha Cardiovascular Research Center University of Kentucky Lexington KY
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36
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Park MH, Gutiérrez-García AK, Choudhury M. Mono-(2-ethylhexyl) Phthalate Aggravates Inflammatory Response via Sirtuin Regulation and Inflammasome Activation in RAW 264.7 Cells. Chem Res Toxicol 2019; 32:935-942. [PMID: 31016965 DOI: 10.1021/acs.chemrestox.9b00101] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Artificial environmental endocrine disrupting chemicals (EDCs) exert public health concerns. Exposure to EDCs may induce various disorders in the cardiometabolic system. However, the underlying mechanisms remain largely unknown. Over the past decade, an abundance of evidence has emerged demonstrating a close link between cardiometabolic disorders and inflammation. The aim of the present study was to evaluate the immunological effects on macrophages from six EDCs via sirtuin (SIRT) regulation using the murine macrophage RAW 264.7 cell. We studied first the effects of these EDCs, including a series of doses of benzyl butyl phthalate (BBP), bisphenol A (BPA), diethylhexyl phthalate (DEHP), mono-(2-ethylhexyl)phthalate (MEHP), perfluorooctanoate (PFOA), or perfluorooctanesulfonate (PFOS), on SIRT1-7 transcriptional level. Among these EDCs, MEHP significantly decreased all sirtuin genes' expression in a dose-dependent manner. Under MEHP treatment, SIRT activity and protein expression were significantly decreased, while the protein expression of acetylated NF-κB was significantly increased along with significant increases in IL-1β transcription. These results indicate that MEHP may induce the inflammatory response via SIRT-mediated acetylation of NF-κB. Additionally, the enhanced IL-1β secretion in the presence of 50 μM MEHP ( P < 0.01) also supports inflammasome activation (significant ASC and NLRP3 protein augmentation). Both events may be regulated by MEHP induced reactive oxygen species ( P < 0.01). In conclusion, our study suggests for the first time that EDCs differentially modulate sirtuins' gene expression levels in macrophages and that a specific phthalate MEHP can lead to an increased inflammatory response by impairing vital epigenetic regulators and inflammasome activation.
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Affiliation(s)
- Min Hi Park
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy , Texas A&M University , College Station , Texas 77843 , United States
| | - Ana K Gutiérrez-García
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy , Texas A&M University , College Station , Texas 77843 , United States
| | - Mahua Choudhury
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy , Texas A&M University , College Station , Texas 77843 , United States
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37
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Gwag T, Meng Z, Sui Y, Helsley RN, Park SH, Wang S, Greenberg RN, Zhou C. Non-nucleoside reverse transcriptase inhibitor efavirenz activates PXR to induce hypercholesterolemia and hepatic steatosis. J Hepatol 2019; 70:930-940. [PMID: 30677459 PMCID: PMC6462244 DOI: 10.1016/j.jhep.2018.12.038] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 12/17/2018] [Accepted: 12/23/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND & AIMS The most prescribed non-nucleoside reverse transcriptase inhibitor, efavirenz, has been associated with elevated risk of dyslipidemia and hepatic steatosis in HIV-infected patients but the underlying mechanisms remain elusive. Herein, we investigated the role of pregnane X receptor (PXR) in mediating the adverse effects of efavirenz on lipid homeostasis. METHODS Cell-based reporter assays, primary cell culture, and multiple mouse models including conditional knockout and humanized mice were combined to study the impact of efavirenz on PXR activities and lipid homeostasis in vitro and in vivo. A novel liver-specific Pxr knockout mouse model was also generated to determine the contribution of hepatic PXR signaling to efavirenz-elicited dyslipidemia and hepatic steatosis. RESULTS We found that efavirenz is a potent PXR-selective agonist that can efficiently activate PXR and induce its target gene expression in vitro and in vivo. Treatment with efavirenz-induced hypercholesterolemia and hepatic steatosis in mice but deficiency of hepatic PXR abolished these adverse effects. Interestingly, efavirenz-mediated PXR activation regulated the expression of several key hepatic lipogenic genes including fatty acid transporter CD36 and cholesterol biosynthesis enzyme squalene epoxidase (SQLE), leading to increased lipid uptake and cholesterol biosynthesis in hepatic cells. While CD36 is a known PXR target gene, we identified a DR-2-type of PXR-response element in the SQLE promoter and established SQLE as a direct transcriptional target of PXR. Since PXR exhibits considerable differences in its pharmacology across species, we also confirmed these findings in PXR-humanized mice and human primary hepatocytes. CONCLUSIONS The widely prescribed antiretroviral drug efavirenz induces hypercholesterolemia and hepatic steatosis by activating PXR signaling. Activation of PXR should be taken into consideration for patients undergoing long-term treatment with PXR agonistic antiretroviral drugs. LAY SUMMARY Efavirenz is widely prescribed for HIV-infected patients but has some side effects. It can increase lipid levels in patients' blood and liver. Here we show that efavirenz can activate a unique liver protein called PXR which mediates the adverse effects of efavirenz on lipid levels in mouse models.
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Affiliation(s)
- Taesik Gwag
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, USA
| | - Zhaojie Meng
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, USA
| | - Yipeng Sui
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, USA
| | - Robert N. Helsley
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, USA
| | - Se-Hyung Park
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, USA
| | - Shuxia Wang
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky, USA
| | | | - Changcheng Zhou
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA.
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38
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Rameshrad M, Razavi BM, Imenshahidi M, Hosseinzadeh H. Vitis vinifera(grape) seed extract and resveratrol alleviate bisphenol-A-induced metabolic syndrome: Biochemical and molecular evidences. Phytother Res 2019; 33:832-844. [DOI: 10.1002/ptr.6276] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 12/06/2018] [Accepted: 12/08/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Maryam Rameshrad
- Pharmaceutical Research Center, Pharmaceutical Technology Institute; Mashhad University of Medical Sciences; Mashhad Iran
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | - Mohsen Imenshahidi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute; Mashhad University of Medical Sciences; Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
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Skledar DG, Carino A, Trontelj J, Troberg J, Distrutti E, Marchianò S, Tomašič T, Zega A, Finel M, Fiorucci S, Mašič LP. Endocrine activities and adipogenic effects of bisphenol AF and its main metabolite. CHEMOSPHERE 2019; 215:870-880. [PMID: 30408883 DOI: 10.1016/j.chemosphere.2018.10.129] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 10/11/2018] [Accepted: 10/17/2018] [Indexed: 06/08/2023]
Abstract
Bisphenol AF (BPAF) is a fluorinated analog of bisphenol A (BPA), and it is a more potent estrogen receptor (ER) agonist. BPAF is mainly metabolized to BPAF-glucuronide (BPAF-G), which has been reported to lack ER agonist activity and is believed to be biologically inactive. The main goal of the current study was to examine the influence of the metabolism of BPAF via glucuronidation on its ER activity and adipogenesis. Also, as metabolites can have different biological activities, the effects of BPAF-G on other nuclear receptors were evaluated. First, in-vitro BPAF glucuronidation was investigated using recombinant human enzymes. Specific reporter-gene assays were used to determine BPAF and BPAF-G effects on estrogen, androgen, glucocorticoid, and thyroid receptor pathways, and on PXR, FXR, and PPARγ pathways. Their effects on lipid accumulation and differentiation were determined in murine 3T3L1 preadipocytes using Nile Red, with mRNA expression analysis of the adipogenic markers adiponectin, Fabp4, Cebpα, and PPARγ. BPAF showed strong agonistic activity for hERα and moderate antagonistic activities for androgen and thyroid receptors, and for PXR. BPAF-G was antagonistic for PXR and PPARγ. BPAF (0.1 μM) and BPAF-G (1.0 μM) induced lipid accumulation and increased expression of key adipogenic markers in murine preadipocytes. BPAF-G is therefore not an inactive metabolite of BPAF. Further toxicological and epidemiological investigations of BPAF effects on human health are warranted, to provide better understanding of the metabolic end-elimination of BPAF.
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Affiliation(s)
- Darja Gramec Skledar
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Adriana Carino
- Dipartimento di Medicina Clinica e Sperimentale, Nuova Facultà di Medicina e Chirurgia, University of Perugia, S. Andrea delle Fratte, 06132 Perugia, Italy
| | - Jurij Trontelj
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Johanna Troberg
- Division of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Eleonora Distrutti
- Dipartimento di Medicina Clinica e Sperimentale, Nuova Facultà di Medicina e Chirurgia, University of Perugia, S. Andrea delle Fratte, 06132 Perugia, Italy
| | - Silvia Marchianò
- Dipartimento di Medicina Clinica e Sperimentale, Nuova Facultà di Medicina e Chirurgia, University of Perugia, S. Andrea delle Fratte, 06132 Perugia, Italy
| | - Tihomir Tomašič
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Anamarija Zega
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Moshe Finel
- Division of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Stefano Fiorucci
- Dipartimento di Medicina Clinica e Sperimentale, Nuova Facultà di Medicina e Chirurgia, University of Perugia, S. Andrea delle Fratte, 06132 Perugia, Italy
| | - Lucija Peterlin Mašič
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia.
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40
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Rameshrad M, Imenshahidi M, Razavi BM, Iranshahi M, Hosseinzadeh H. Bisphenol A vascular toxicity: Protective effect of Vitis vinifera
(grape) seed extract and resveratrol. Phytother Res 2018; 32:2396-2407. [DOI: 10.1002/ptr.6175] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 06/18/2018] [Accepted: 07/13/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Maryam Rameshrad
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | - Mohsen Imenshahidi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | - Mehrdad Iranshahi
- Biotechnology Research Center; Pharmaceutical Technology Institute, Mashhad University of Medical Sciences; Mashhad Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
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41
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Kasneci A, Lee JS, Yun TJ, Shang J, Lampen S, Gomolin T, Cheong CC, Chalifour LE. From the Cover: Lifelong Exposure of C57bl/6n Male Mice to Bisphenol A or Bisphenol S Reduces Recovery From a Myocardial Infarction. Toxicol Sci 2018; 159:189-202. [PMID: 28903498 DOI: 10.1093/toxsci/kfx133] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Bisphenol A (BPA) leaches from plastics to contaminate foodstuffs. Analogs, such as bisphenol S (BPS), are now used increasingly in manufacturing. Greater BPA exposure has been correlated with exacerbation of cardiovascular disease, including myocardial infarction (MI). To test the hypothesis that bisphenol exposure impairs cardiac healing, we exposed C57bl/6n mice to water containing 25ng/ml BPA or BPS from conception and surgically induced an MI in adult male progeny. Increased early death and cardiac dilation, and reduced cardiac function were found post-MI in BPA- and BPS-exposed mice. Flow cytometry revealed increased monocyte and macrophage infiltration that correlated with increased chemokine C-C motif ligand-2 expression in the infarct. In vitro BPA and BPS addition increased matrix metalloproteinase-9 (MMP) protein and secreted activity in RAW264.7 macrophage cells suggesting that invivo increases in MMP2 and MMP9 in exposed infarcts were myeloid-derived. Bone marrow-derived monocytes isolated from exposed mice had greater expression of pro-inflammatory polarization markers when chemokine stimulated indicating an enhanced susceptibility to develop a pro-inflammatory monocyte population. Chronic BPA exposure of estrogen receptor beta (ERβ) deficient mice did not worsen early death, cardiac structure/function, or expression of myeloid markers after an MI. In contrast, BPS exposure of ERβ-deficient mice resulted in greater death and expression of myeloid markers. We conclude that lifelong exposure to BPA or BPS augmented the monocyte/macrophage inflammatory response and adverse remodeling from an MI thereby reducing the ability to survive and successfully recover, and that the adverse effect of BPA, but not BPS, is downstream of ERβ signaling.
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Affiliation(s)
- Amanda Kasneci
- Lady Davis Institute for Medical Research, Montréal, Québec H3T 1E2, Canada
| | - Jun Seong Lee
- Institut de Recherches Cliniques de Montréal, Montréal, Québec H2W 1R7, Canada
| | - Tae Jin Yun
- Institut de Recherches Cliniques de Montréal, Montréal, Québec H2W 1R7, Canada
| | - Jijun Shang
- Lady Davis Institute for Medical Research, Montréal, Québec H3T 1E2, Canada
| | - Shaun Lampen
- Lady Davis Institute for Medical Research, Montréal, Québec H3T 1E2, Canada
| | - Tamar Gomolin
- Lady Davis Institute for Medical Research, Montréal, Québec H3T 1E2, Canada
| | - Cheolho C Cheong
- Institut de Recherches Cliniques de Montréal, Montréal, Québec H2W 1R7, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, Montréal, Québec H3A 1A2, Canada
| | - Lorraine E Chalifour
- Lady Davis Institute for Medical Research, Montréal, Québec H3T 1E2, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, Montréal, Québec H3A 1A2, Canada
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42
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Sui Y, Park SH, Wang F, Zhou C. Perinatal Bisphenol A Exposure Increases Atherosclerosis in Adult Male PXR-Humanized Mice. Endocrinology 2018; 159:1595-1608. [PMID: 29425287 PMCID: PMC5939635 DOI: 10.1210/en.2017-03250] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 01/31/2018] [Indexed: 01/19/2023]
Abstract
Bisphenol A (BPA) is a base chemical used extensively in numerous consumer products, and human exposure to BPA is ubiquitous. Higher BPA exposure has been associated with an increased risk of atherosclerosis and cardiovascular disease (CVD) in multiple human population-based studies. However, the underlying mechanisms responsible for the associations remain elusive. We previously reported that BPA activates the xenobiotic receptor pregnane X receptor (PXR), which has proatherogenic effects in animal models. Because BPA is a potent agonist for human PXR but does not affect rodent PXR activity, a suitable PXR-humanized apolipoprotein E-deficient (huPXR•ApoE-/-) mouse model was developed to study BPA's atherogenic effects. Chronic BPA exposure increased atherosclerosis in the huPXR•ApoE-/- mice. We report that BPA exposure can also activate human PXR signaling in the heart tubes of huPXR•ApoE-/- embryos, and perinatal BPA exposure exacerbated atherosclerosis in adult male huPXR•ApoE-/- offspring. However, atherosclerosis development in female offspring was not affected by perinatal BPA exposure. Perinatal BPA exposure did not affect plasma lipid levels but increased aortic and atherosclerotic lesional fatty acid transporter CD36 expression in male huPXR•ApoE-/- offspring. Mechanistically, PXR epigenetically regulated CD36 expression by increasing H3K4me3 levels and decreasing H3K27me3 levels in the CD36 promoter in response to perinatal BPA exposure. The findings from the present study contribute to our understanding of the association between BPA exposure and increased atherosclerosis or CVD risk in humans, and activation of human PXR should be considered for future BPA risk assessment.
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Affiliation(s)
- Yipeng Sui
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky
| | - Se-Hyung Park
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky
| | - Fang Wang
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky
| | - Changcheng Zhou
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky
- Correspondence: Changcheng Zhou, PhD, Department of Pharmacology and Nutritional Sciences, University of Kentucky, 900 South Limestone Street, #517, Lexington, Kentucky 40536. E-mail:
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Renaud L, Silveira WAD, Hazard ES, Simpson J, Falcinelli S, Chung D, Carnevali O, Hardiman G. The Plasticizer Bisphenol A Perturbs the Hepatic Epigenome: A Systems Level Analysis of the miRNome. Genes (Basel) 2017; 8:genes8100269. [PMID: 29027980 PMCID: PMC5664119 DOI: 10.3390/genes8100269] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/18/2017] [Accepted: 10/04/2017] [Indexed: 02/07/2023] Open
Abstract
Ubiquitous exposure to bisphenol A (BPA), an endocrine disruptor (ED), has raised concerns for both human and ecosystem health. Epigenetic factors, including microRNAs (miRNAs), are key regulators of gene expression during cancer. The effect of BPA exposure on the zebrafish epigenome remains poorly characterized. Zebrafish represents an excellent model to study cancer as the organism develops a disease that resembles human cancer. Using zebrafish as a systems toxicology model, we hypothesized that chronic BPA-exposure impacts the miRNome in adult zebrafish and establishes an epigenome more susceptible to cancer development. After a 3 week exposure to 100 nM BPA, RNA from the liver was extracted to perform high throughput mRNA and miRNA sequencing. Differential expression (DE) analyses comparing BPA-exposed to control specimens were performed using established bioinformatics pipelines. In the BPA-exposed liver, 6188 mRNAs and 15 miRNAs were differently expressed (q ≤ 0.1). By analyzing human orthologs of the DE zebrafish genes, signatures associated with non-alcoholic fatty liver disease (NAFLD), oxidative phosphorylation, mitochondrial dysfunction and cell cycle were uncovered. Chronic exposure to BPA has a significant impact on the liver miRNome and transcriptome in adult zebrafish with the potential to cause adverse health outcomes including cancer.
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Affiliation(s)
- Ludivine Renaud
- Division of Nephrology, Department of Medicine, Medical University of South Carolina (MUSC),Charleston, SC 29425, USA.
- Laboratory for Marine Systems Biology, Hollings Marine Laboratory, Charleston, SC 29412, USA.
| | - Willian A da Silveira
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
| | - E Starr Hazard
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
- Library Science and Informatics, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
| | - Jonathan Simpson
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
| | - Silvia Falcinelli
- Dipartimento Scienze della Vita e dell'Ambiente, Universita Politecnica delle Marche, 60131 Ancona, Italy.
| | - Dongjun Chung
- Department of Public Health Sciences, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
| | - Oliana Carnevali
- Dipartimento Scienze della Vita e dell'Ambiente, Universita Politecnica delle Marche, 60131 Ancona, Italy.
| | - Gary Hardiman
- Division of Nephrology, Department of Medicine, Medical University of South Carolina (MUSC),Charleston, SC 29425, USA.
- Laboratory for Marine Systems Biology, Hollings Marine Laboratory, Charleston, SC 29412, USA.
- Center for Genomic Medicine, Bioinformatics, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
- Department of Medicine, University of California, La Jolla, CA 92093, USA.
- Department of Public Health Sciences, Medical University of South Carolina (MUSC), Charleston, SC 29425, USA.
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Helsley RN, Zhou C. Epigenetic impact of endocrine disrupting chemicals on lipid homeostasis and atherosclerosis: a pregnane X receptor-centric view. ENVIRONMENTAL EPIGENETICS 2017; 3:dvx017. [PMID: 29119010 PMCID: PMC5672952 DOI: 10.1093/eep/dvx017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 08/08/2017] [Accepted: 09/02/2017] [Indexed: 05/25/2023]
Abstract
Despite the major advances in developing diagnostic techniques and effective treatments, atherosclerotic cardiovascular disease (CVD) is still the leading cause of mortality and morbidity worldwide. While considerable progress has been achieved to identify gene variations and environmental factors that contribute to CVD, much less is known about the role of "gene-environment interactions" in predisposing individuals to CVD. Our chemical environment has significantly changed in the last few decades, and there are more than 100,000 synthetic chemicals in the market. Recent large-scale human population studies have associated exposure to certain chemicals including many endocrine disrupting chemicals (EDCs) with increased CVD risk, and animal studies have also confirmed that some EDCs can cause aberrant lipid homeostasis and increase atherosclerosis. However, the underlying mechanisms of how exposure to those EDCs influences CVD risk remain elusive. Numerous EDCs can activate the nuclear receptor pregnane X receptor (PXR) that functions as a xenobiotic sensor to regulate host xenobiotic metabolism. Recent studies have demonstrated the novel functions of PXR in lipid homeostasis and atherosclerosis. In addition to directly regulating transcription, PXR has been implicated in the epigenetic regulation of gene transcription. Exposure to many EDCs can also induce epigenetic modifications, but little is known about how the changes relate to the onset or progression of CVD. In this review, we will discuss recent research on PXR and EDCs in the context of CVD and propose that PXR may play a previously unrealized role in EDC-mediated epigenetic modifications that affect lipid homeostasis and atherosclerosis.
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Affiliation(s)
- Robert N Helsley
- Department of Pharmacology and Nutritional Sciences, Center for Metabolic Disease Research, University of Kentucky, Lexington, KY 40536, USA
- Department of Cellular and Molecular Medicine, Cleveland Clinic Lerner Research Institute, Cleveland, OH 44195, USA
| | - Changcheng Zhou
- Department of Pharmacology and Nutritional Sciences, Center for Metabolic Disease Research, University of Kentucky, Lexington, KY 40536, USA
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Tanaka S, Matsumoto T, Matsubara Y, Harada Y, Kyuragi R, Koga JI, Egashira K, Nakashima Y, Yonemitsu Y, Maehara Y. BubR1 Insufficiency Results in Decreased Macrophage Proliferation and Attenuated Atherogenesis in Apolipoprotein E-Deficient Mice. J Am Heart Assoc 2016; 5:JAHA.116.004081. [PMID: 27664806 PMCID: PMC5079050 DOI: 10.1161/jaha.116.004081] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background Budding uninhibited by benzimidazole‐related 1 (BubR1), a cell cycle–related protein, is an essential component of the spindle checkpoint that regulates cell division. BubR1 insufficiency causes early aging‐associated vascular phenotypes. We generated low‐BubR1‐expressing mutant (BubR1L/L) and apolipoprotein E‐deficient (ApoE−/−) mice (BubR1L/L‐ApoE−/− mice) to investigate the effects of BubR1 on atherosclerosis. Methods and Results Eight‐week‐old male BubR1L/L‐ApoE−/− mice and age‐matched ApoE−/− mice were used in this study. Atherosclerotic lesion development after being fed a high‐cholesterol diet for 12 weeks was inhibited in BubR1L/L‐ApoE−/− mice compared with ApoE−/− mice, and was accompanied by decreased accumulation of macrophages. To address the relative contribution of BubR1 on bone marrow–derived cells compared with non‐bone marrow–derived cells, we performed bone marrow transplantation in ApoE−/− and BubR1L/L‐ApoE−/− mice. Decreased BubR1 in bone marrow cells and non‐bone marrow–derived cells decreased the atherosclerotic burden. In vitro assays indicated that decreased BubR1 expression impaired proliferation, but not migration, of bone marrow–derived macrophages. Conclusions BubR1 may represent a promising new target for regulating atherosclerosis.
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Affiliation(s)
- Shinichi Tanaka
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan R&D Laboratory for Innovative Biotherapeutics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Takuya Matsumoto
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yutaka Matsubara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yui Harada
- R&D Laboratory for Innovative Biotherapeutics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Ryoichi Kyuragi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Jun-Ichiro Koga
- Department of Cardiovascular Research, Development, and Translational Medicine, Kyushu University, Fukuoka, Japan
| | - Kensuke Egashira
- Department of Cardiovascular Research, Development, and Translational Medicine, Kyushu University, Fukuoka, Japan
| | - Yutaka Nakashima
- Division of Pathology, Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan
| | - Yoshikazu Yonemitsu
- R&D Laboratory for Innovative Biotherapeutics, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiko Maehara
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Gramec Skledar D, Tomašič T, Carino A, Distrutti E, Fiorucci S, Peterlin Mašič L. New brominated flame retardants and their metabolites as activators of the pregnane X receptor. Toxicol Lett 2016; 259:116-123. [DOI: 10.1016/j.toxlet.2016.08.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 08/01/2016] [Accepted: 08/05/2016] [Indexed: 01/30/2023]
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Miki Y, Hata S, Nagasaki S, Suzuki T, Ito K, Kumamoto H, Sasano H. Steroid and xenobiotic receptor-mediated effects of bisphenol A on human osteoblasts. Life Sci 2016; 155:29-35. [DOI: 10.1016/j.lfs.2016.05.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 05/06/2016] [Accepted: 05/09/2016] [Indexed: 01/27/2023]
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Zhou C. Novel functions of PXR in cardiometabolic disease. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2016; 1859:1112-1120. [PMID: 26924429 DOI: 10.1016/j.bbagrm.2016.02.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 02/18/2016] [Accepted: 02/19/2016] [Indexed: 12/17/2022]
Abstract
Cardiometabolic disease emerges as a worldwide epidemic and there is urgent need to understand the molecular mechanisms underlying this chronic disease. The chemical environment to which we are exposed has significantly changed in the past few decades and recent research has implicated its contribution to the development of many chronic human diseases. However, the mechanisms of how exposure to chemicals contributes to the development of cardiometabolic disease are poorly understood. Numerous chemicals have been identified as ligands for the pregnane X receptor (PXR), a nuclear receptor functioning as a xenobiotic sensor to coordinately regulate xenobiotic metabolism via transcriptional regulation of xenobiotic-detoxifying enzymes and transporters. In the past decade, the function of PXR in the regulation of xenobiotic metabolism has been extensively studied by many laboratories and the role of PXR as a xenobiotic sensor has been well-established. The identification of PXR as a xenobiotic sensor has provided an important tool for the study of new mechanisms through which xenobiotic exposure impacts human chronic diseases. Recent studies have revealed novel and unexpected roles of PXR in modulating obesity, insulin sensitivity, lipid homeostasis, atherogenesis, and vascular functions. These studies suggest that PXR signaling may contribute significantly to the pathophysiological effects of many known xenobiotics on cardiometabolic disease in humans. The discovery of novel functions of PXR in cardiometabolic disease not only contributes to our understanding of "gene-environment interactions" in predisposing individuals to chronic diseases but also provides strong evidence to inform future risk assessment for relevant chemicals. This article is part of a Special Issue entitled: Xenobiotic nuclear receptors: New Tricks for An Old Dog, edited by Dr. Wen Xie.
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Affiliation(s)
- Changcheng Zhou
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY 40536, USA; Saha Cardiovascular Research Center, University of Kentucky, Lexington, KY 40536, USA.
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Abstract
Nuclear receptors sense a wide range of steroids and hormones (estrogens, progesterone, androgens, glucocorticoid, and mineralocorticoid), vitamins (A and D), lipid metabolites, carbohydrates, and xenobiotics. In response to these diverse but critically important mediators, nuclear receptors regulate the homeostatic control of lipids, carbohydrate, cholesterol, and xenobiotic drug metabolism, inflammation, cell differentiation and development, including vascular development. The nuclear receptor family is one of the most important groups of signaling molecules in the body and as such represent some of the most important established and emerging clinical and therapeutic targets. This review will highlight some of the recent trends in nuclear receptor biology related to vascular biology.
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Affiliation(s)
- David Bishop-Bailey
- Comparative Biomedical Sciences, The Royal Veterinary College, Royal College Street, London, NW1 0TU, UK,
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