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González-Parra E, Moreno-Gómez-Toledano R, Mas-Fontao S, Bosch RJ. Bisphenol A in renal insufficiency: how long will it be used? Is it time to avoid it? Nefrologia 2024; 44:313-316. [PMID: 38876887 DOI: 10.1016/j.nefroe.2023.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/23/2023] [Accepted: 10/06/2023] [Indexed: 06/16/2024] Open
Affiliation(s)
- Emilio González-Parra
- Servicio de Nefrología, Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain; Instituto de Investigación Sanitaria, Fundación Jiménez Díaz (IIS-FJD), Universidad Autónoma de Madrid, Madrid, Spain.
| | - Rafael Moreno-Gómez-Toledano
- Universidad de Alcalá, Unidad de Fisiología, Departamento de Biología de Sistemas, Alcalá de Henares, Madrid, Spain; Unidad Mixta de Investigación, Universidad Francisco de Vitoria, Madrid, Spain; Servicio de Cardiología, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Sebastián Mas-Fontao
- Instituto de Investigación Sanitaria, Fundación Jiménez Díaz (IIS-FJD), Universidad Autónoma de Madrid, Madrid, Spain; Centro de Investigación en Red de Diabetes y Enfermedades Metabólicas (CIBERDEM), Madrid, Spain
| | - Ricardo J Bosch
- Universidad de Alcalá, Unidad de Fisiología, Departamento de Biología de Sistemas, Alcalá de Henares, Madrid, Spain
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Chen Z, Wang F, Wen D, Mu R. Exposure to bisphenol A induced oxidative stress, cell death and impaired epithelial homeostasis in the adult Drosophila melanogaster midgut. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 248:114285. [PMID: 36402076 DOI: 10.1016/j.ecoenv.2022.114285] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/01/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Recently, the chemical compound Bisphenol A (BPA) has been attracting worldwide attention due to its various toxic effects in animals, including reprotoxicity, neurotoxicity, hepatoxicity, and nephrotoxicity. Here, the midgut of adult Drosophila melanogaster (D. melanogaster), an invertebrate model organism, was employed to investigate the gastrointestinal toxicity of BPA in D. melanogaster and explore its underlying mechanisms of action in insects. As a result, exposure of flies to 0.5 mM BPA resulted in a dramatic morphological alteration of D. melanogaster midgut and decrease in survival rates and climbing ability of flies. Further study indicated that BPA induced high levels of oxidative stress in D. melanogaster midgut due to the imbalance between the production of reactive oxygen species and the activities of cellular antioxidant enzymes, including glutathione-S-transferase, catalase and superoxide dismutase. Oxidative stress induced by BPA then caused intestinal epithelial cell death and gut barrier dysfunction and elevated gut permeability, leading to oxidative injury of midgut epithelium. Antioxidant vitamin E alleviated midgut injury induced by BPA. Subsequently, BPA-induced oxidative injury of midgut further stimulated the proliferation of intestinal stem cell (ISC) and ISC-mediated midgut regeneration, but did not alter cell fate determination of ISCs in Drosophila midgut. Meanwhile, activation of Jun N-terminal kinase signal pathway was found to be required for BPA-induced cell death and tissue regeneration in midgut. Collectively, the present study provided additional evidence from an invertebrate model organism that BPA exposure induced gastrointestinal toxicity in D. melanogaster and further extended our understanding of the molecular mechanisms mediating BPA toxicity in insects.
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Affiliation(s)
- Zhi Chen
- College of Biological Science and Agriculture, Qiannan Normal University for Nationalities, Duyun 558000, China.
| | - Fen Wang
- College of Biological Science and Agriculture, Qiannan Normal University for Nationalities, Duyun 558000, China
| | - Di Wen
- College of Biological Science and Agriculture, Qiannan Normal University for Nationalities, Duyun 558000, China.
| | - Ren Mu
- College of Biological Science and Agriculture, Qiannan Normal University for Nationalities, Duyun 558000, China.
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Rani L, Saini S, Thakur RS, Patel DK, Chowdhuri DK, Gautam NK. Single and combined effect of bisphenol A with high sucrose diet on the diabetic and renal tubular dysfunction phenotypes in Drosophila melanogaster. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 96:103977. [PMID: 36210596 DOI: 10.1016/j.etap.2022.103977] [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: 02/10/2022] [Revised: 07/08/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
In the present study, effect of exposure of bisphenol A (BPA) and combined exposure of BPA + HSD has been investigated on the glucose homeostasis and associated renal complications in Drosophila. Exposure of 1.0 mM BPA alone induced type 2 diabetes like condition (T2D) in adult male D. melanogaster via oxidative stress. Elevated TGF-β signaling was evident by increased expression of baboon (babo) in BPA exposed organism that stimulated the modulation of extracellular matrix (ECM) component collagen IV resulting in the fibrosis of the Malpighian tubules (MTs). Combined exposure of BPA + HSD (high sucrose diet) resulted in the increased magnitude of T2D and MTs dysfunction parameters. Taken together, the study illustrates that BPA has diabetogenic potential in exposed Drosophila that caused adverse effects on their MTs and combined exposure with BPA and HSD could aggravate the renal tubular dysfunction. The study further suggests the use of Drosophila model to study the environmental chemicals induced diabetes mediated renal dysfunction.
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Affiliation(s)
- Lavi Rani
- Department of Urology and Renal Transplantation, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raebareli Road, Lucknow 226014, Uttar Pradesh, India; Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), VishvigyanBhavan, 31, Mahatma Gandhi Marg, Lucknow 226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India
| | - Sanjay Saini
- Department of Urology and Renal Transplantation, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raebareli Road, Lucknow 226014, Uttar Pradesh, India; Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), VishvigyanBhavan, 31, Mahatma Gandhi Marg, Lucknow 226 001, Uttar Pradesh, India
| | - Ravindra Singh Thakur
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India; Analytical Chemistry Laboratory, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India
| | - Devendra Kumar Patel
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India; Analytical Chemistry Laboratory, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India
| | - Debapratim Kar Chowdhuri
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), VishvigyanBhavan, 31, Mahatma Gandhi Marg, Lucknow 226 001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India.
| | - Naveen Kumar Gautam
- Department of Urology and Renal Transplantation, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raebareli Road, Lucknow 226014, Uttar Pradesh, India.
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Mu C, Yamashita AC. Effect of hollow fiber packing density and housing shape on the solute removal performance of CRRT filters for acute blood purification. Int J Artif Organs 2022; 45:543-549. [PMID: 35549751 DOI: 10.1177/03913988221098076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Continuous renal replacement therapy (CRRT) has a good therapeutic effect in a variety of diseases, such as acute kidney injury. CRRT filters should feature small membrane surface area, excellent water permeability and solute removal performance for long-term use. Solute removal performance depends on the physicochemical structure of the dialysis membrane as well as on the housing design. On the basis of the same hollow fiber membrane, optimizing the housing design can maximize the performance of the dialysis membrane. In this article, we experimentally demonstrated the influence of hollow fiber packing density (PD) and housing shape (effective hollow fiber length (L) and inner housing diameter (D) ratio (L/D ratio)) on the performance of CRRT filters. In each continuous hemodialysis mode and post-diluted continuous hemodiafiltration mode, we tested nine CRRT filters with the same high-flux membrane but with different PDs (50%, 55%, and 60%) and L/D ratios (2.9, 5.3, and 9.3), and we evaluated the effect of different combinations of the two design factors on solute clearance. Our results showed that unlike with the clearance of small molecular weight solutes, the clearance of medium molecular weight solute was obviously affected by PD and L/D ratio, and the design providing the best removal of medium molecular solutes among the nine experiments was PD = 60% and L/D ratio = 9.3. This article will help address the lack of research on CRRT filter housing design as well as lead to the development of higher performance filters for acute blood purification.
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Affiliation(s)
- Changjun Mu
- Department of Chemical Science and Technology, Faculty of Bioscience and Applied Chemistry, Hosei University, Tokyo, Japan.,Shandong Weigao Blood Purification Products Co. Ltd., Weihai, China
| | - Akihiro C Yamashita
- Department of Chemical Science and Technology, Faculty of Bioscience and Applied Chemistry, Hosei University, Tokyo, Japan
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Kanlayaprasit S, Thongkorn S, Panjabud P, Jindatip D, Hu VW, Kikkawa T, Osumi N, Sarachana T. Autism-Related Transcription Factors Underlying the Sex-Specific Effects of Prenatal Bisphenol A Exposure on Transcriptome-Interactome Profiles in the Offspring Prefrontal Cortex. Int J Mol Sci 2021; 22:13201. [PMID: 34947998 PMCID: PMC8708761 DOI: 10.3390/ijms222413201] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/03/2021] [Accepted: 12/05/2021] [Indexed: 11/16/2022] Open
Abstract
Bisphenol A (BPA) is an environmental risk factor for autism spectrum disorder (ASD). BPA exposure dysregulates ASD-related genes in the hippocampus and neurological functions of offspring. However, whether prenatal BPA exposure has an impact on genes in the prefrontal cortex, another brain region highly implicated in ASD, and through what mechanisms have not been investigated. Here, we demonstrated that prenatal BPA exposure disrupts the transcriptome-interactome profiles of the prefrontal cortex of neonatal rats. Interestingly, the list of BPA-responsive genes was significantly enriched with known ASD candidate genes, as well as genes that were dysregulated in the postmortem brain tissues of ASD cases from multiple independent studies. Moreover, several differentially expressed genes in the offspring's prefrontal cortex were the targets of ASD-related transcription factors, including AR, ESR1, and RORA. The hypergeometric distribution analysis revealed that BPA may regulate the expression of such genes through these transcription factors in a sex-dependent manner. The molecular docking analysis of BPA and ASD-related transcription factors revealed novel potential targets of BPA, including RORA, SOX5, TCF4, and YY1. Our findings indicated that prenatal BPA exposure disrupts ASD-related genes in the offspring's prefrontal cortex and may increase the risk of ASD through sex-dependent molecular mechanisms, which should be investigated further.
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Grants
- FRB65_hea(80)_175_37_05 Fundamental Fund, Chulalongkorn University
- AHS-CU 61004 Faculty of Allied Health Sciences Research Fund, Chulalongkorn University
- GRU 6300437001-1 Ratchadapisek Somphot Fund for Supporting Research Unit, Chulalongkorn University
- GRU_64_033_37_004 Ratchadapisek Somphot Fund for Supporting Research Unit, Chulalongkorn University
- The 100th Anniversary Chulalongkorn University Fund for Doctoral Scholarship, Graduate School, Chulalongkorn University
- The Overseas Research Experience Scholarship for Graduate Students from Graduate School, Chulalongkorn University
- PHD/0029/2561 The Royal Golden Jubilee Ph.D. Programme Scholarship, Thailand Research Fund and National Research Council of Thailand
- National Research Council of Thailand (NRCT)
- GCUGR1125623067D-67 The 90th Anniversary Chulalongkorn University Fund (Ratchadaphiseksomphot Endowment Fund), Graduate School, Chulalongkorn University
- GCUGR1125632108D-108 The 90th Anniversary Chulalongkorn University Fund (Ratchadaphiseksomphot Endowment Fund), Graduate School, Chulalongkorn University
- 2073011 Chulalongkorn University Laboratory Animal Center (CULAC) Grant
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Affiliation(s)
- Songphon Kanlayaprasit
- The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (S.K.); (S.T.); (P.P.)
| | - Surangrat Thongkorn
- The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (S.K.); (S.T.); (P.P.)
| | - Pawinee Panjabud
- The Ph.D. Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (S.K.); (S.T.); (P.P.)
| | - Depicha Jindatip
- Systems Neuroscience of Autism and PSychiatric Disorders (SYNAPS) Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
- Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Valerie W. Hu
- Department of Biochemistry and Molecular Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, DC 20052, USA;
| | - Takako Kikkawa
- Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, Sendai 980-8577, Miyagi, Japan; (T.K.); (N.O.)
| | - Noriko Osumi
- Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, Sendai 980-8577, Miyagi, Japan; (T.K.); (N.O.)
| | - Tewarit Sarachana
- Systems Neuroscience of Autism and PSychiatric Disorders (SYNAPS) Research Unit, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
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Nagarajan M, Raja B, Manivannan J. Exposure to a "safe" dose of environmental pollutant bisphenol A elevates oxidative stress and modulates vasoactive system in hypertensive rats. Hum Exp Toxicol 2021; 40:S654-S665. [PMID: 34797181 DOI: 10.1177/09603271211053285] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Due to the prevalence of hypertension (one of the major risk factors of CVD) in the population, it is necessary to explore the adverse effects of daily tolerable and "safe" dose of bisphenol A (BPA) under hypertensive conditions. The current study exposed the Nω-nitro-l-arginine methyl ester (L-NAME, 40 mg/kg b.w/day) induced hypertensive Wistar rats to BPA (50 μg/kg b.w/day) by oral administration along with appropriate controls for 30 days period. The results illustrate that a 'safe' dose of BPA does not influence the systolic blood pressure (SBP) and levels of circulatory biomarkers of tissue damage. On the other hand, BPA exposure significantly (p < 0.05) elevates the thiobarbituric acid reactive substances (TBARS) content in plasma and tissues (heart, aorta, liver and kidney) in hypertensive rats when compared with respective control (BPA alone exposed) rats. Similarly, a significant modulation of ROS generation in RBC, plasma nitric oxide (NO) level and angiotensin-converting enzyme (ACE) activity was observed only under hypertensive milieu. In conclusion, the observed adverse effects during 'safe' dose of BPA exposure are specific to the hypertensive condition. Therefore, a precise investigation to explore the effects of BPA exposure in vulnerable hypertensive populations is highly suggested.
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Affiliation(s)
- Manigandan Nagarajan
- Environmental Health and Toxicology Lab, Department of Environmental Sciences, School of Life Sciences, 364343Bharathiar University, Coimbatore, India
| | - Boobalan Raja
- Cardiovascular Biology Lab, Department of Biochemistry and Biotechnology, Faculty of Science, 364050Annamalai University, Chidambaram, India
| | - Jeganathan Manivannan
- Environmental Health and Toxicology Lab, Department of Environmental Sciences, School of Life Sciences, 364343Bharathiar University, Coimbatore, India
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Strategies to Protect Dialysis Patients against Bisphenol A. Biomolecules 2021; 11:biom11091375. [PMID: 34572587 PMCID: PMC8471555 DOI: 10.3390/biom11091375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/31/2021] [Accepted: 09/08/2021] [Indexed: 11/19/2022] Open
Abstract
Bisphenol A (BPA), also known as 2,2,-bis(4-hydroxyphenyl) propane, is a common component of plastics worldwide. However, it has been shown to act as an endocrine disruptor with some hormonal functions. Furthermore, high levels of BPA have been related to the development of cardiovascular events and the activation of carcinogenesis pathways. Patients with chronic kidney disease (CKD) have higher serum concentrations of BPA due to their impaired renal function. This situation is aggravated in CKD patients requiring dialysis, because the BPA content of dialysis devices (such as, for example, the filters) is added to the lack of excretion. In addition to the development of BPA-free dialysis filters, some techniques can contribute to the reduction of BPA levels in these patients. The aim of this review is to illustrate the impact of BPA on dialysis patients and suggest some strategies to reduce its inherent risks.
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Moreno-Gómez-Toledano R, Arenas MI, Vélez-Vélez E, Coll E, Quiroga B, Bover J, Bosch RJ. Bisphenol a Exposure and Kidney Diseases: Systematic Review, Meta-Analysis, and NHANES 03-16 Study. Biomolecules 2021; 11:1046. [PMID: 34356670 PMCID: PMC8301850 DOI: 10.3390/biom11071046] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/09/2021] [Accepted: 07/13/2021] [Indexed: 11/25/2022] Open
Abstract
Bisphenol A (BPA) is a compound that is especially widespread in most commonly used objects due to its multiple uses in the plastic industry. However, several data support the need to restrict its use. In recent years, new implications of BPA on the renal system have been discovered, which denotes the need to expand studies in patients. To this end, a systematic review and a meta-analysis was performed to explore existing literature that examines the BPA-kidney disease paradigm and to determine what and how future studies will need to be carried out. Our systematic review revealed that only few relevant publications have focused on the problem. However, the subsequent meta-analysis revealed that high blood concentrations of BPA could be a factor in developing kidney disease, at least in people with previous pathologies such as diabetes or hypertension. Furthermore, BPA could also represent a risk factor in healthy people whose urinary excretion is higher. Finally, the data analyzed from the NHANES 03-16 cohort provided new evidence on the possible involvement of BPA in kidney disease. Therefore, our results underline the need to carry out a thorough and methodologically homogeneous study, delving into the relationship between urinary and blood BPA, glomerular filtration rate, and urine albumin-to-creatinine ratio, preferably in population groups at risk, and subsequently in the general population, to solve this relevant conundrum with critical potential implications in Public Health.
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Affiliation(s)
- Rafael Moreno-Gómez-Toledano
- Universidad de Alcalá, Laboratory of Renal Physiology and Experimental Nephrology, Department of Biological Systems/Physiology, 28871 Alcalá de Henares, Spain;
| | - María I. Arenas
- Universidad de Alcalá, Department of Biomedicine and Biotechnology, 28871 Alcalá de Henares, Spain;
| | - Esperanza Vélez-Vélez
- Fundación Jiménez Díaz School of Nursing, Jiménez Díaz Foundation, Autonomous University of Madrid, 28040 Madrid, Spain;
| | - Elisabeth Coll
- Nephrology Service, Fundació Puigvert, 08025 Barcelona, Spain;
| | - Borja Quiroga
- Nephrology Service, La Princesa Universitary Hospital, 28806 Madrid, Spain;
| | - Jordi Bover
- Nephrology Service, Germans Trias i Pujol Hospital, Universitat Autònoma de Barcelona, 08916 Badalona, Spain;
| | - Ricardo J. Bosch
- Universidad de Alcalá, Laboratory of Renal Physiology and Experimental Nephrology, Department of Biological Systems/Physiology, 28871 Alcalá de Henares, Spain;
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Priego AR, Parra EG, Mas S, Morgado-Pascual JL, Ruiz-Ortega M, Rayego-Mateos S. Bisphenol A Modulates Autophagy and Exacerbates Chronic Kidney Damage in Mice. Int J Mol Sci 2021; 22:7189. [PMID: 34281243 PMCID: PMC8268806 DOI: 10.3390/ijms22137189] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Bisphenol A (BPA) is a ubiquitous environmental toxin that accumulates in chronic kidney disease (CKD). Our aim was to explore the effect of chronic exposition of BPA in healthy and injured kidney investigating potential mechanisms involved. METHODS In C57Bl/6 mice, administration of BPA (120 mg/kg/day, i.p for 5 days/week) was done for 2 and 5 weeks. To study BPA effect on CKD, a model of subtotal nephrectomy (SNX) combined with BPA administration for 5 weeks was employed. In vitro studies were done in human proximal tubular epithelial cells (HK-2 line). RESULTS Chronic BPA administration to healthy mice induces inflammatory infiltration in the kidney, tubular injury and renal fibrosis (assessed by increased collagen deposition). Moreover, in SNX mice BPA exposure exacerbates renal lesions, including overexpression of the tubular damage biomarker Hepatitis A virus cellular receptor 1 (Havcr-1/KIM-1). BPA upregulated several proinflammatory genes and increased the antioxidant response [Nuclear factor erythroid 2-related factor 2 (Nrf2), Heme Oxygenase-1 (Ho-1) and NAD(P)H dehydrogenase quinone 1 (Nqo-1)] both in healthy and SNX mice. The autophagy process was modulated by BPA, through elevated autophagy-related gene 5 (Atg5), autophagy-related gene 7 (Atg7), Microtubule-associated proteins 1A/1B light chain 3B (Map1lc3b/Lc3b) and Beclin-1 gene levels and blockaded the autophagosome maturation and flux (p62 levels). This autophagy deregulation was confirmed in vitro. CONCLUSIONS BPA deregulates autophagy flux and redox protective mechanisms, suggesting a potential mechanism of BPA deleterious effects in the kidney.
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Affiliation(s)
- Alberto Ruiz Priego
- Division of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-UAM/IRSIN, 28040 Madrid, Spain; (A.R.P.); (S.M.)
| | - Emilio González Parra
- Division of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-UAM/IRSIN, 28040 Madrid, Spain; (A.R.P.); (S.M.)
| | - Sebastián Mas
- Division of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz-UAM/IRSIN, 28040 Madrid, Spain; (A.R.P.); (S.M.)
| | - José Luis Morgado-Pascual
- Cellular Biology, Physiology and Immunology Department, Maimonides Biomedical Research Institute of Cordoba (IMIBIC), University of Cordoba, 14004 Cordoba, Spain;
| | - Marta Ruiz-Ortega
- Molecular and Cellular Biology in Renal and Vascular Pathology, IIS-Fundación Jiménez Díaz, Universidad Autónoma Madrid Faculty of Medicine, 28040 Madrid, Spain;
| | - Sandra Rayego-Mateos
- Molecular and Cellular Biology in Renal and Vascular Pathology, IIS-Fundación Jiménez Díaz, Universidad Autónoma Madrid Faculty of Medicine, 28040 Madrid, Spain;
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Nie H, Wang F, Zhang Y, Zhang S, Han X, Zhang X, Guo H, He M. Associations of serum bisphenol A levels with incident chronic kidney disease risk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 771:145401. [PMID: 33545483 DOI: 10.1016/j.scitotenv.2021.145401] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/10/2021] [Accepted: 01/20/2021] [Indexed: 05/26/2023]
Abstract
Associations of bisphenol A (BPA) levels with renal disease are inconsistent. The present prospective study aims to evaluate the association of serum BPA levels with chronic kidney disease (CKD) in a Chinese middle-aged and elderly population. At baseline 1370 participants (mean age 61.7 years, 58.8% females) free of kidney disease and cancer were followed up nearly 10 years. Baseline serum BPA concentration was measured with high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS). Estimated glomerular filtration rate (eGFR) was calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. Multivariable logistic regression model was used to investigate relationship between serum BPA levels and incident CKD risk. During a 10-year follow-up, 246 individuals developed CKD. Baseline serum BPA concentration was 2.92 (1.00, 5.27) ng/mL. At baseline, after adjustment for multiple covariates serum BPA levels were negatively correlated with eGFR levels (β = -0.068, P = 0.009). Compared to those with low levels of serum BPA, participants with high levels had a significant negative association with CKD [ORs (95% CI) = 0.35 (0.25, 0.50), P < 0.001], and this association was not modified by conventional risk factors. The negative associations remained in females but not in males (P for interaction = 0.016). Significant interaction between baseline eGFR and serum BPA levels on CKD risk was also found (P for interaction = 0.027), Except subjects with 60-70 mL/min/1.73 m2 eGFR at baseline, inverse association robustly existed between serum BPA levels and incident CKD risk in the other eGFR subgroups. Further studies are needed to validate our findings.
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Affiliation(s)
- Hongli Nie
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Fei Wang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ying Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shiyang Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xu Han
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiaomin Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Huan Guo
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Meian He
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Zhao K, Veksha A, Ge L, Lisak G. Near real-time analysis of para-cresol in wastewater with a laccase-carbon nanotube-based biosensor. CHEMOSPHERE 2021; 269:128699. [PMID: 33121813 DOI: 10.1016/j.chemosphere.2020.128699] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/13/2020] [Accepted: 10/16/2020] [Indexed: 06/11/2023]
Abstract
Para-Cresol is a water-soluble organic pollutant, which is harmful to organisms even at low concentrations. Therefore, it is important to rapidly detect the p-cresol in wastewater as well as natural water. In this work, a new, simple and stable biosensor was developed for on-site quantitatively determination and near real-time monitoring p-cresol in wastewater. The new biosensor was designed and fabricated using a screen-printed carbon electrode (SPCE) modified by waste-derived carbon nanotubes (CNTs) immobilized with laccase (LAC). The fabrication processes and performance of the biosensors were systematically characterized and optimized by Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscope (FESEM), transmission electron microscopy (TEM) and electrochemical methods. With improved conductivity, the proposed biosensor could provide the direct quantitation of p-cresol. The linear range of the biosensor is 0.2-25 ppm of p-cresol with a detection limit of 0.05 ppm. Additionally, the biosensor exhibited high reproducibility, stability and reusability during the validation. More importantly, the biosensor was successfully applied for the rapid detection of p-cresol in environmental lab wastewater under the interference of metal ions and other organics, and the results were consistent with high-performance liquid chromatography (HPLC). Finally, the biosensor with a portable potentiostat was approved as an easy-to-use, sensitive and inexpensive platform that could provide near real-time monitoring of p-cresol concentration in wastewater during Fenton oxidation treatment process.
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Affiliation(s)
- Ke Zhao
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore
| | - Andrei Veksha
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore
| | - Liya Ge
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore.
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre (R3C), Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Clean Tech One, 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore.
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Bisphenol A impaired cell adhesion by altering the expression of adhesion and cytoskeleton proteins on human podocytes. Sci Rep 2020; 10:16638. [PMID: 33024228 PMCID: PMC7538920 DOI: 10.1038/s41598-020-73636-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022] Open
Abstract
Bisphenol A (BPA), a chemical -xenoestrogen- used in food containers is present in the urine of almost the entire population. Recently, several extensive population studies have proven a significant association between urinary excretion of BPA and albuminuria. The alteration of glomerular podocytes or "podocytopathy" is a common event in chronic albuminuric conditions. Since many podocytes recovered from patients' urine are viable, we hypothesized that BPA could impair podocyte adhesion capabilities. Using an in vitro adhesion assay, we observed that BPA impaired podocyte adhesion, an effect that was abrogated by Tamoxifen (an estrogen receptor blocker). Genomic and proteomic analyses revealed that BPA affected the expression of several podocyte cytoskeleton and adhesion proteins. Western blot and immunocytochemistry confirmed the alteration in the protein expression of tubulin, vimentin, podocin, cofilin-1, vinculin, E-cadherin, nephrin, VCAM-1, tenascin-C, and β-catenin. Moreover, we also found that BPA, while decreased podocyte nitric oxide production, it lead to overproduction of ion superoxide. In conclusion, our data show that BPA induced a novel type of podocytopathy characterizes by an impairment of podocyte adhesion, by altering the expression of adhesion and cytoskeleton proteins. Moreover, BPA diminished production of podocyte nitric oxide and induced the overproduction of oxygen-free metabolites. These data provide a mechanism by which BPA could participate in the pathogenesis and progression of renal diseases.
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Jacobson MH, Wu Y, Liu M, Attina TM, Naidu M, Karthikraj R, Kannan K, Warady BA, Furth S, Vento S, Trachtman H, Trasande L. Serially assessed bisphenol A and phthalate exposure and association with kidney function in children with chronic kidney disease in the US and Canada: A longitudinal cohort study. PLoS Med 2020; 17:e1003384. [PMID: 33052911 PMCID: PMC7556524 DOI: 10.1371/journal.pmed.1003384] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 09/11/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Exposure to environmental chemicals may be a modifiable risk factor for progression of chronic kidney disease (CKD). The purpose of this study was to examine the impact of serially assessed exposure to bisphenol A (BPA) and phthalates on measures of kidney function, tubular injury, and oxidative stress over time in a cohort of children with CKD. METHODS AND FINDINGS Samples were collected between 2005 and 2015 from 618 children and adolescents enrolled in the Chronic Kidney Disease in Children study, an observational cohort study of pediatric CKD patients from the US and Canada. Most study participants were male (63.8%) and white (58.3%), and participants had a median age of 11.0 years (interquartile range 7.6 to 14.6) at the baseline visit. In urine samples collected serially over an average of 3.0 years (standard deviation [SD] 1.6), concentrations of BPA, phthalic acid (PA), and phthalate metabolites were measured as well as biomarkers of tubular injury (kidney injury molecule-1 [KIM-1] and neutrophil gelatinase-associated lipocalin [NGAL]) and oxidative stress (8-hydroxy-2'-deoxyguanosine [8-OHdG] and F2-isoprostane). Clinical renal function measures included estimated glomerular filtration rate (eGFR), proteinuria, and blood pressure. Linear mixed models were fit to estimate the associations between urinary concentrations of 6 chemical exposure measures (i.e., BPA, PA, and 4 phthalate metabolite groups) and clinical renal outcomes and urinary concentrations of KIM-1, NGAL, 8-OHdG, and F2-isoprostane controlling for sex, age, race/ethnicity, glomerular status, birth weight, premature birth, angiotensin-converting enzyme inhibitor use, angiotensin receptor blocker use, BMI z-score for age and sex, and urinary creatinine. Urinary concentrations of BPA, PA, and phthalate metabolites were positively associated with urinary KIM-1, NGAL, 8-OHdG, and F2-isoprostane levels over time. For example, a 1-SD increase in ∑di-n-octyl phthalate metabolites was associated with increases in NGAL (β = 0.13 [95% CI: 0.05, 0.21], p = 0.001), KIM-1 (β = 0.30 [95% CI: 0.21, 0.40], p < 0.001), 8-OHdG (β = 0.10 [95% CI: 0.06, 0.13], p < 0.001), and F2-isoprostane (β = 0.13 [95% CI: 0.01, 0.25], p = 0.04) over time. BPA and phthalate metabolites were not associated with eGFR, proteinuria, or blood pressure, but PA was associated with lower eGFR over time. For a 1-SD increase in ln-transformed PA, there was an average decrease in eGFR of 0.38 ml/min/1.73 m2 (95% CI: -0.75, -0.01; p = 0.04). Limitations of this study included utilization of spot urine samples for exposure assessment of non-persistent compounds and lack of specific information on potential sources of exposure. CONCLUSIONS Although BPA and phthalate metabolites were not associated with clinical renal endpoints such as eGFR or proteinuria, there was a consistent pattern of increased tubular injury and oxidative stress over time, which have been shown to affect renal function in the long term. This raises concerns about the potential for clinically significant changes in renal function in relation to exposure to common environmental toxicants at current levels.
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Affiliation(s)
- Melanie H. Jacobson
- Division of Environmental Pediatrics, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
| | - Yinxiang Wu
- Department of Population Health, NYU Langone Medical Center, New York, New York, United States of America
| | - Mengling Liu
- Department of Population Health, NYU Langone Medical Center, New York, New York, United States of America
- Department of Environmental Medicine, NYU Langone Medical Center, New York, New York, United States of America
| | - Teresa M. Attina
- Division of Environmental Pediatrics, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
| | - Mrudula Naidu
- Division of Environmental Pediatrics, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
| | - Rajendiran Karthikraj
- Wadsworth Center, New York State Department of Health, Albany, New York, United States of America
- Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, New York, United States of America
| | - Kurunthachalam Kannan
- Division of Environmental Pediatrics, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
- Wadsworth Center, New York State Department of Health, Albany, New York, United States of America
- Department of Environmental Health Sciences, School of Public Health, State University of New York at Albany, Albany, New York, United States of America
| | - Bradley A. Warady
- Division of Nephrology, Department of Pediatrics, Children’s Mercy Kansas City, Kansas City, Missouri, United States of America
| | - Susan Furth
- Division of Nephrology, Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, United States of America
| | - Suzanne Vento
- Division of Nephrology, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
| | - Howard Trachtman
- Division of Nephrology, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
| | - Leonardo Trasande
- Division of Environmental Pediatrics, Department of Pediatrics, NYU Langone Medical Center, New York, New York, United States of America
- Department of Population Health, NYU Langone Medical Center, New York, New York, United States of America
- Department of Environmental Medicine, NYU Langone Medical Center, New York, New York, United States of America
- Wagner Graduate School of Public Service, New York University, New York, New York, United States of America
- School of Global Public Health, New York University, New York, New York, United States of America
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Lin CC, Sengee A, Mjøs SA. Minor compounds and potential interferents in gas chromatographic analyses of human serum fatty acids. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1138:121963. [DOI: 10.1016/j.jchromb.2019.121963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 12/19/2019] [Accepted: 12/28/2019] [Indexed: 11/29/2022]
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Szymanska K, Gonkowski S. Neurochemical characterization of the enteric neurons within the porcine jejunum in physiological conditions and under the influence of bisphenol A (BPA). Neurogastroenterol Motil 2019; 31:e13580. [PMID: 30838766 DOI: 10.1111/nmo.13580] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/29/2019] [Accepted: 02/08/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Bisphenol A (BPA) is commonly used in the production of plastics and has multidirectional, negative effects on the living organisms. It may also affect the enteric nervous system (ENS) located in the wall of the gastrointestinal tract. Enteric neurons express many active substances, which regulate majority of intestinal activities not only in physiological conditions but also under the impact of pathological factors. METHODS The influence of various doses of BPA on the ENS of jejunum has been investigated using the double immunofluorescence technique. The commercial antibodies against substance P (SP), vasoactive intestinal polypeptide (VIP), galanin (GAL), vesicular acetylcholine transporter (VAChT), and cocaine- and amphetamine-regulated transcript peptide (CART) were used. KEY RESULTS Both doses of BPA studied changed the number of the enteric neurons immunoreactive to SP, VIP, GAL, VAChT, and CART, and the intensity of fluctuations depended on the BPA dose and on the type of the enteric plexus. Bisphenol A causes the increase in the number of neurons immunoreactive to the majority of substances studied. The only exception was VAChT-positive neurons, the number of which was lower under the impact of BPA in the comparison with physiological conditions. CONCLUSIONS & INFERENCES Even low doses of BPA cause the changes in neurochemical characterization of the enteric neurons in the jejunum. These changes may be the first sign of subclinical BPA intoxication. The mechanisms of observed changes are probably connected with neurotoxic and/or pro-inflammatory activity of BPA, but their exact mechanisms are not fully explained.
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Affiliation(s)
- Kamila Szymanska
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Slawomir Gonkowski
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
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Shirani M, Alizadeh S, Mahdavinia M, Dehghani MA. The ameliorative effect of quercetin on bisphenol A-induced toxicity in mitochondria isolated from rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:7688-7696. [PMID: 30666577 DOI: 10.1007/s11356-018-04119-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 12/28/2018] [Indexed: 06/09/2023]
Abstract
Recent studies have demonstrated that bisphenol A (BPA) has an adverse or toxic effect on the kidney. This study was designed to evaluate the ability of quercetin (QUER) to prevent BPA-induced mitochondrial dysfunction. Thirty-two healthy adult male Wistar rats were randomly divided into four groups, as follows: control group (olive oil), BPA group (250 mg/kg), BPA þ QUER group (250 mg/kg + 75 mg/kg), and QUER group (75 mg/kg). All treatments were orally administered for 14 days. Kidney mitochondria were isolated by administration of the different centrifugation method. Uric acid and creatinine were considered to be biomarkers of nephrotoxicity. The ameliorative effects of QUER on BPA toxicity were evaluated by determining the glutathione (GSH) content, CAT, the damage to the mitochondrial membrane, the reactive oxygen species (ROS), and lipid peroxidation (LPO). Administration of BPA significantly decreased kidney weight. In the kidney, BPA can deplete GSH content and CAT activity, increase the mitochondrial ROS formation, and enhances LPO and mitochondrial membrane damage. The pretreatment of mitochondria with QUER has the ability to reduce the toxic effects of BPA in isolated mitochondria. These findings suggest a potential role for QUER in protecting mitochondria from oxidative damage in kidney tissue.
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Affiliation(s)
- Maryam Shirani
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeid Alizadeh
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Masoud Mahdavinia
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Amin Dehghani
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
- Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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Ceppa F, Mancini A, Tuohy K. Current evidence linking diet to gut microbiota and brain development and function. Int J Food Sci Nutr 2018; 70:1-19. [DOI: 10.1080/09637486.2018.1462309] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Florencia Ceppa
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all‘Adige, Trento, Italy
| | - Andrea Mancini
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all‘Adige, Trento, Italy
| | - Kieran Tuohy
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all‘Adige, Trento, Italy
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Mas S, Bosch-Panadero E, Abaigar P, Camarero V, Mahillo I, Civantos E, Sanchez-Ospina D, Ruiz-Priego A, Egido J, Ortiz A, González-Parra E. Influence of dialysis membrane composition on plasma bisphenol A levels during online hemodiafiltration. PLoS One 2018. [PMID: 29529055 PMCID: PMC5846770 DOI: 10.1371/journal.pone.0193288] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Bisphenol A (BPA) is an ubiquitous environmental toxin that is also found in dialyzers. Online hemodiafiltration (OL-HDF) more efficiently clears high molecular weight molecules, and this may improve BPA clearance. However, the BPA contents of dialysis membranes may be a source of BPA loading during OL-HDF. Methods A prospective study assessed plasma BPA levels in OL-HDF patients using BPA-free (polynephron) or BPA-containing (polysulfone) dialyzers in a crossover design with two arms, after a run-in OL-HDF period of at least 6 months with the same membrane: 31 patients on polynephron at baseline were switched to polysulfone membranes for 3 months (polynephron-to-polysulfone) and 29 patients on polysulfone were switched to polynephron for 3 months (polysulfone-to-polynephron). Results After a run-in OL-HDF period of at least 6 months with the same membrane, baseline pre-dialysis BPA was lower in patients on polynephron (8.79±7.97 ng/ml) than in those on polysulfone (23.42±20.38 ng/mL, p<0.01), but still higher than in healthy controls (<2 ng/mL). After 3 months of polynephron-to-polysulfone switch, BPA was unchanged (8.98±7.88 to 11.14±15.98 ng/mL, ns) while it decreased on the polysulfone-to-polynephron group (23.42±20.38 to 11.41±12.38 ng/mL, p<0.01). Conclusion OL-HDF for 3 months with BPA-free dialyzer membranes was associated to a significant decrease in predialysis BPA levels when compared to baseline BPA levels while on a BPA-containing membrane.
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Affiliation(s)
- Sebastian Mas
- Renal, Vascular and Diabetes Laboratory, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
- * E-mail: (SM); (EGP)
| | | | - Pedro Abaigar
- Division of Nephrology, Hospital Universitario de Burgos, Burgos, Spain
| | - Vanesa Camarero
- Division of Nephrology, Hospital Universitario de Burgos, Burgos, Spain
| | - Ignacio Mahillo
- Department of Biostatistics and Epidemiology, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
| | - Esther Civantos
- Renal, Vascular and Diabetes Laboratory, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
| | - Didier Sanchez-Ospina
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
| | - Alberto Ruiz-Priego
- Renal, Vascular and Diabetes Laboratory, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
| | - Jesus Egido
- Renal, Vascular and Diabetes Laboratory, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Department of Medicine, UAM, Madrid, Spain
| | - Alberto Ortiz
- Renal, Vascular and Diabetes Laboratory, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Department of Medicine, UAM, Madrid, Spain
- Kidney Research Network (REDINREN), Madrid, Spain
| | - Emilio González-Parra
- Renal, Vascular and Diabetes Laboratory, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Department of Medicine, UAM, Madrid, Spain
- Kidney Research Network (REDINREN), Madrid, Spain
- * E-mail: (SM); (EGP)
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Poormoosavi SM, Najafzadehvarzi H, Behmanesh MA, Amirgholami R. Protective effects of Asparagus officinalis extract against Bisphenol A- induced toxicity in Wistar rats. Toxicol Rep 2018; 5:427-433. [PMID: 29854613 PMCID: PMC5977383 DOI: 10.1016/j.toxrep.2018.02.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 02/25/2018] [Accepted: 02/27/2018] [Indexed: 12/31/2022] Open
Abstract
1 Bisphenol A treatment lead to histopathologic changes in liver and kidney tissues. 2- Bisphenol A decreased the antioxidant capacities in rats. 3- Asparagus officinalis alleviate the extent of oxidative status induced by BPA. 3- Asparagus officinalis decreases the pathological change of liver and kidney caused by BPA.
Asparagus officinalis is an herbal medicine with remarkable antioxidant, anti-inflammatory, and antihepatotoxic properties. The present study aimed to investigate whether Bisphenol A (BPA) could induce histopathological changes and oxidative stress in the liver and kidney tissues of male rats. In addition, we evaluated whether the co-administration of the Asparagus officinalis extract (AOE) could prevent the possible damages. In total, 40 adult male Wistar rats with the mean weight of 200 ± 20 grams were divided into five groups. Control subjects were placed in the first group, while group two was the vehicle (5 ml/kg bwt/day). Subjects in group three were administered with 400 mg/kg of AOE (bwt/day), group four received 10 mg/kg of BPA (bwt/day) dissolved in 5 ml/kg of olive oil, and group five received oral BPA and AOE daily for eight weeks. After the experiments, the blood, liver, and kidneys of the animals were collected and examined. Biochemical results showed a significant elevation in the levels of liver and kidney biomarkers in the BPA group (P ≤ 0.05). Moreover, malondialdehyde was observed to increase, while thiol protein and total antioxidant capacity decreased. Histopathological results of the BPA group indicated dilated and congested central and portal veins and inflammatory areas in the liver. In addition, renal test results showed casts in the urinary tubules and acute tubular necrosis. According to the results, the co-administration of AOE and BPA could increase the total antioxidative capability, thereby improving the function and structure of the liver and kidney tissues. Therefore, AOE is a potential protective agent against oxidative stress, liver, and kidney damage.
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Affiliation(s)
| | - Hosein Najafzadehvarzi
- Department of Pharmacology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mohammad Amin Behmanesh
- Department of Histology, School of Medicine, Dezful University of Medical Science, Dezful, Iran
| | - Reza Amirgholami
- School of Medicine, Dezful University of Medical Science, Dezful, Iran
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Bosch-Panadero E, Mas S, Civantos E, Abaigar P, Camarero V, Ruiz-Priego A, Ortiz A, Egido J, González-Parra E. Bisphenol A is an exogenous toxin that promotes mitochondrial injury and death in tubular cells. ENVIRONMENTAL TOXICOLOGY 2018; 33:325-332. [PMID: 29214717 DOI: 10.1002/tox.22519] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 11/08/2017] [Accepted: 11/17/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Uremic toxins that accumulate in chronic kidney disease (CKD) contribute to CKD complications, such as CKD progression. Bisphenol A (BPA) is a ubiquitous environmental toxin, structurally related with p-cresol, that accumulates in CKD. Our aim was to characterize the nephrotoxic potential of BPA. Specifically, we addressed BPA toxicity over energy-demanding proximal tubular cells. METHODS Cell death and oxidative stress were evaluated by flow cytometry and confocal microscopy in HK-2 human proximal tubular epithelial cells. Functional assays tested ATP, intracellular Ca2+ , mitochondrial function (tetramethylrhodamine methyl [TMRM]), oxygen consumption, Nrf2-binding, MitoSOX, and NADPH oxidase activity. Gene expression was assessed by qRT-PCR. RESULTS Following acute exposure (24 hours), proximal tubular cell viability was decreased by BPA concentrations ≥50 μM while a seven-day exposure resulted in a progressive loss of cell viability at a nanomolar range. Within 24 hours, BPA promoted mitochondrial dysfunction leading to energy depletion and increased mitochondrial and cytoplasmic oxidative stress and apoptosis in a concentration-dependent manner. An antioxidant response was observed manifested by nuclear Nrf2 translocation and increased expression of the Nrf2 target genes Heme oxygenase 1 (HO-1) and NAD(P)H dehydrogenase [quinone] 1 (NQO-1). CONCLUSIONS This study demonstrates for the first time that BPA causes mitochondrial injury, oxidative stress and apoptotic death in tubular cells. These results characterize BPA as an exogenous toxin that, similar to uremic toxins, may contribute to CKD progression.
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Affiliation(s)
- Enrique Bosch-Panadero
- Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2, Madrid, E-28040, Spain
| | - Sebastian Mas
- Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2, Madrid, E-28040, Spain
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Spain
| | - Esther Civantos
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Spain
| | - Pedro Abaigar
- Division of Nephrology, Hospital Universitario de Burgos, Burgos, Spain
| | - Vanesa Camarero
- Division of Nephrology, Hospital Universitario de Burgos, Burgos, Spain
| | - Alberto Ruiz-Priego
- Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2, Madrid, E-28040, Spain
| | - Alberto Ortiz
- Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2, Madrid, E-28040, Spain
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Department of Medicine, UAM, Madrid, Spain
- Kidney Research Network (REDINREN), Madrid, Spain
| | - Jesus Egido
- Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2, Madrid, E-28040, Spain
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Spain
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Department of Medicine, UAM, Madrid, Spain
| | - Emilio González-Parra
- Renal, Vascular and Diabetes Research Laboratory, Av Reyes Catolicos 2, Madrid, E-28040, Spain
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz UAM, Madrid, Spain
- Department of Medicine, UAM, Madrid, Spain
- Kidney Research Network (REDINREN), Madrid, Spain
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Renal and hepatic effects following neonatal exposure to low doses of Bisphenol-A and 137Cs. Food Chem Toxicol 2018; 114:270-277. [PMID: 29477810 DOI: 10.1016/j.fct.2018.02.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 02/16/2018] [Accepted: 02/20/2018] [Indexed: 12/13/2022]
Abstract
137-Cesium (137Cs) is one of the most important distributed radionuclides after a nuclear accident. Humans are usually co-exposed to various environmental toxicants, being Bisphenol-A (BPA) one of them. Exposure to IR and BPA in early life is of major concern, due to the higher vulnerability of developing organs. We evaluate the renal and hepatic effects of low doses of ionizing radiation (IR) and BPA. Sixty male mice (C57BL/6J) were randomly assigned to six experimental groups (n=10) and received a single subcutaneous dose of 0.9% saline solution, 137Cs and/or BPA on postnatal day 10: control, BPA (25 μg/kgbw), Cs4000 (4000 Bq 137Cs/kgbw), Cs8000 (8000 Bq 137Cs/kgbw), BPA/Cs4000 and BPA/Cs8000. At the age of two months, urines (24h) and blood samples were collected from animals of each group to determine biochemical parameters. Finally, kidneys and liver were removed to quantify DNA damage (8-OHdG), as well as to determine CYP1A2 mRNA expression. Data suggest that both BPA and 137Cs induced renal and liver damage evidenced by oxidative stress. However, when there is a co-exposure, it seems that there are compensatory mechanisms that may reverse the damage induced by each toxic itself. Notwithstanding, more studies are necessary to better understand the synergistic mechanisms behind.
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Tao JH, Zhao M, Jiang S, Pu XL, Wei XY. Comparative metabolism of two major compounds in Fructus Corni extracts by gut microflora from normal and chronic nephropathy rats in vitro by UPLC-Q-TOF/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1073:170-176. [DOI: 10.1016/j.jchromb.2017.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 12/15/2017] [Accepted: 12/18/2017] [Indexed: 02/06/2023]
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Corredor Z, Rodríguez-Ribera L, Coll E, Silva I, Díaz JM, Ballarín J, Marcos R, Pastor S. DNA damage in kidney transplant patients. Role of organ origin. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2017; 58:712-718. [PMID: 28833525 DOI: 10.1002/em.22117] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 06/29/2017] [Indexed: 06/07/2023]
Abstract
Chronic kidney disease (CKD) patients are characterized by elevated levels of genomic damage. This damage increases when kidney function decreases being maximum in hemodialysis patients. As kidney transplantation improves renal function, and it is related with better survival, the aim of our study was to evaluate potential changes in DNA damage levels after kidney transplantation, and comparing living donor recipients with cadaveric donor recipients. The alkaline comet assay was used to determine DNA breaks and oxidative damaged DNA; and the micronucleus assay was used to determine chromosomal breakage and/or aneuploidy. Fifty CKD patients were followed up after 6 and 12 months of their kidney transplantation. All patients increased their genomic damage levels after 6 and 12 months of renal transplantation, compared with those observed before transplantation, despite of the improvement of their metabolic functions. Donor advanced age correlated positively with higher DNA damage. Genomic damage was lower in living donor transplants with respect to cadaveric donor transplants. Our conclusion is that DNA damage increased in kidney transplantation patients, whereas their renal function improved. Higher levels of DNA damage were found in cadaveric donor transplants when compared to living donor transplants. Environ. Mol. Mutagen. 58:712-718, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Zuray Corredor
- Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Edifici C, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, 08193, Spain
| | - Lara Rodríguez-Ribera
- Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Edifici C, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, 08193, Spain
| | | | | | | | | | - Ricard Marcos
- Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Edifici C, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, 08193, Spain
- CIBER Epidemiología y Salud Pública, ISCIII, Madrid, Spain
| | - Susana Pastor
- Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Edifici C, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, 08193, Spain
- CIBER Epidemiología y Salud Pública, ISCIII, Madrid, Spain
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Tange Y, Takesawa S, Yoshitake S. Asymmetric triacetate membrane keeps high water flux during ultrafiltration: in vitro study. J Artif Organs 2017; 20:399-402. [PMID: 28685358 DOI: 10.1007/s10047-017-0971-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 06/29/2017] [Indexed: 11/26/2022]
Abstract
Membrane fouling is a primary challenge encountered during the administration of hemodialysis (HD) and hemodiafiltration (HDF). A high-flux membrane is suitable for dialyzer reuse, since it is used repeatedly. Water flux is a benchmark used to assess the effectiveness of the dialysis membrane during treatment and it is usually evaluated to determine whether membrane fouling has occurred. Polysulfone (PS) membrane has good biocompatibility and solute permeability; however, polyethersulfone (PES) is often used as a hemodiafilter membrane because of better hydrophilicity compared to PS. We evaluated water flux across hemodiafilters using newly developed asymmetric triacetate (ATA) and PES as conventional membranes in vitro. Water flux of across ATA and PES membranes significantly decreased 30 min after the start of the experiments and thereafter showed stabilization. Water flux across the ATA membrane consistently showed significantly higher values of greater than 100 mL/m2/h/mmHg, compared to lower values observed across the PES membrane. These results suggest that the ATA membrane has a potential use not only for HDF, but also for long-time therapies of HD and HDF.
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Affiliation(s)
- Yoshihiro Tange
- Department of Medical Engineering, Kyushu University of Health and Welfare, Nobeoka, Miyazaki, Japan.
| | - Shingo Takesawa
- Department of Medical Engineering, Kyushu University of Health and Welfare, Nobeoka, Miyazaki, Japan
| | - Shigenori Yoshitake
- Department of Medical Engineering, Kyushu University of Health and Welfare, Nobeoka, Miyazaki, Japan
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Nutrients Turned into Toxins: Microbiota Modulation of Nutrient Properties in Chronic Kidney Disease. Nutrients 2017; 9:nu9050489. [PMID: 28498348 PMCID: PMC5452219 DOI: 10.3390/nu9050489] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/22/2017] [Accepted: 05/09/2017] [Indexed: 12/24/2022] Open
Abstract
In chronic kidney disease (CKD), accumulation of uremic toxins is associated with an increased risk of death. Some uremic toxins are ingested with the diet, such as phosphate and star fruit-derived caramboxin. Others result from nutrient processing by gut microbiota, yielding precursors of uremic toxins or uremic toxins themselves. These nutrients include l-carnitine, choline/phosphatidylcholine, tryptophan and tyrosine, which are also sold over-the-counter as nutritional supplements. Physicians and patients alike should be aware that, in CKD patients, the use of these supplements may lead to potentially toxic effects. Unfortunately, most patients with CKD are not aware of their condition. Some of the dietary components may modify the gut microbiota, increasing the number of bacteria that process them to yield uremic toxins, such as trimethylamine N-Oxide (TMAO), p-cresyl sulfate, indoxyl sulfate and indole-3 acetic acid. Circulating levels of nutrient-derived uremic toxins are associated to increased risk of death and cardiovascular disease and there is evidence that this association may be causal. Future developments may include maneuvers to modify gut processing or absorption of these nutrients or derivatives to improve CKD patient outcomes.
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Mas S, Egido J, González-Parra E. The importance of bisphenol A, an uraemic toxin from exogenous sources, in haemodialysis patients. Nefrologia 2017; 37:229-234. [PMID: 28392019 DOI: 10.1016/j.nefro.2017.01.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 11/29/2016] [Accepted: 01/27/2017] [Indexed: 12/23/2022] Open
Affiliation(s)
- Sebastián Mas
- Servicio de Nefrología e Hipertensión II-S, Fundación Jiménez Díaz, Universidad Autónoma, Madrid, España.
| | - Jesús Egido
- Servicio de Nefrología e Hipertensión II-S, Fundación Jiménez Díaz, Universidad Autónoma, Madrid, España
| | - Emilio González-Parra
- Servicio de Nefrología e Hipertensión II-S, Fundación Jiménez Díaz, Universidad Autónoma, Madrid, España
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Quiroga B, Bosch RJ, Fiallos RA, Sánchez-Heras M, Olea-Herrero N, López-Aparicio P, Muñóz-Moreno C, Pérez-Alvarsan MA, De Arriba G. Online Hemodiafiltration Reduces Bisphenol A Levels. Ther Apher Dial 2016; 21:96-101. [PMID: 27995744 DOI: 10.1111/1744-9987.12475] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 05/29/2016] [Accepted: 06/08/2016] [Indexed: 12/15/2022]
Abstract
Several uremic toxins have been identified and related to higher rates of morbidity and mortality in dialysis patients. Bisphenol A (BPA) accumulates in patients with chronic kidney disease. The aim of this study is to demonstrate the usefulness of online hemodiafiltration (OL-HDF) in reducing BPA levels. Thirty stable hemodialysis patients were selected to participate in this paired study. During three periods of 3 weeks each, patients were switched from high-flux hemodialysis (HF-HD) to OL-HDF, and back to HF-HD. BPA levels were measured in the last session of each period (pre- and post-dialysis) using ELISA and HPLC. Twenty-two patients (mean age 73 ± 14 years; 86.4% males) were included. Measurements of BPA levels by HPLC and ELISA assays showed a weak but significant correlation (r = 0.218, P = 0.012). BPA levels decreased in the OL-HDF period of hemodialysis, in contrast to the HF-HD period when they remained stable (P = 0.002). In conclusion, OL-HDF reduced BPA levels in dialysis patients.
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Affiliation(s)
- Borja Quiroga
- Nephrology Unit, Hospital Universitario de Guadalajara, Guadalajara, Spain
| | - Ricardo J Bosch
- Physiology Unit, Department of Systems Biology, Laboratory of Renal Physiology and Experimental Nephrology, Alcalá de Henares, Spain
| | - Ruth A Fiallos
- Nephrology Unit, Hospital Universitario de Guadalajara, Guadalajara, Spain
| | | | - Nuria Olea-Herrero
- Physiology Unit, Department of Systems Biology, Laboratory of Renal Physiology and Experimental Nephrology, Alcalá de Henares, Spain
| | - Pilar López-Aparicio
- Physiology Unit, Department of Systems Biology, Laboratory of Renal Physiology and Experimental Nephrology, Alcalá de Henares, Spain
| | - Carmen Muñóz-Moreno
- Physiology Unit, Department of Systems Biology, Laboratory of Renal Physiology and Experimental Nephrology, Alcalá de Henares, Spain
| | - Miguel Angel Pérez-Alvarsan
- Physiology Unit, Department of Systems Biology, Laboratory of Renal Physiology and Experimental Nephrology, Alcalá de Henares, Spain
| | - Gabriel De Arriba
- Nephrology Unit, Hospital Universitario de Guadalajara, Guadalajara, Spain.,Medicine and Medicine Specialities Department, Universidad de Alcalá (UAH), Madrid, Spain
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Andra SS, Austin C, Yang J, Patel D, Arora M. Recent advances in simultaneous analysis of bisphenol A and its conjugates in human matrices: Exposure biomarker perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 572:770-781. [PMID: 27586167 PMCID: PMC5099122 DOI: 10.1016/j.scitotenv.2016.07.062] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Revised: 07/06/2016] [Accepted: 07/09/2016] [Indexed: 05/26/2023]
Abstract
Human exposures to bisphenol A (BPA) has attained considerable global health attention and represents one of the leading environmental contaminants with potential adverse health effects including endocrine disruption. Current practice of measuring of exposure to BPA includes the measurement of unconjugated BPA (aglycone) and total (both conjugated and unconjugated) BPA; the difference between the two measurements leads to estimation of conjugated forms. However, the measurement of BPA as the end analyte leads to inaccurate estimates from potential interferences from background sources during sample collection and analysis. BPA glucuronides (BPAG) and sulfates (BPAS) represent better candidates for biomarkers of BPA exposure, since they require in vivo metabolism and are not prone to external contamination. In this work, the primary focus was to review the current state of the art in analytical methods available to quantitate BPA conjugates. The entire analytical procedure for the simultaneous extraction and detection of aglycone BPA and conjugates is covered, from sample pre-treatment, extraction, separation, ionization, and detection. Solid phase extraction coupled with liquid chromatograph and tandem mass spectrometer analysis provides the most sensitive detection and quantification of BPA conjugates. Discussed herein are the applications of BPA conjugates analysis in human exposure assessment studies. Measuring these potential biomarkers of BPA exposure has only recently become analytically feasible and there are limitations and challenges to overcome in biomonitoring studies.
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Affiliation(s)
- Syam S Andra
- Exposure Biology, Lautenberg Environmental Health Sciences Laboratory, Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
| | - Christine Austin
- Exposure Biology, Lautenberg Environmental Health Sciences Laboratory, Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Juan Yang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Dhavalkumar Patel
- Exposure Biology, Lautenberg Environmental Health Sciences Laboratory, Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Manish Arora
- Exposure Biology, Lautenberg Environmental Health Sciences Laboratory, Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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Serum bisphenol A as a predictor of chronic kidney disease progression in primary hypertension: a 6-year prospective study. J Hypertens 2016; 34:332-7. [PMID: 26628110 DOI: 10.1097/hjh.0000000000000780] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Hypertensive nephropathy is one of the major causes of chronic kidney disease (CKD). Bisphenol A (BPA) is associated with elevated blood pressure and urinary albuminuria. The aim of this study is to evaluate the association between serum BPA with the progression of CKD in patients with primary hypertension. METHODS In this prospective study, 302 patients with primary hypertension were followed up for 6 years (195 men and 107 women, 65.29 ± 9.78 years at baseline). The baseline values of serum BPA were measured. Renal function was measured as estimated glomerular filtration rate (eGFR) calculated by the Chronic Kidney Disease Epidemiology Collaboration creatinine-cystatin C equation (eGFRcr-cys). Regression models were used to calculate associations of serum BPA with the annual change in eGFR and the risk of CKD progression. RESULTS Baseline serum BPA concentration was 0.61(0.26, 2.44) ng/ml and was significantly negatively correlated with the annual change in eGFR (R = -0.197, P < 0.001). After adjusting for clinical factors, baseline serum BPA level had a significant negative association with the annual change in eGFR (β = -0.132, P = 0.007). Univariate logistic regression analysis showed that the baseline age, SBP, eGFR, and serum BPA levels were predictors of CKD stage 3 or greater. In multivariate logistic regression analysis, patients with high serum BPA levels exhibited a five-fold increased risk of developing CKD stage 3 or greater compared with patients with low serum BPA levels [odds ratio 4.79 (95% confidence interval 1.81, 14.25), P = 0.004]. CONCLUSION Serum BPA may be a predictor of CKD progression in patients with primary hypertension.
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Hu J, Yang S, Wang Y, Goswami R, Peng C, Gao R, Zhou H, Zhang Y, Cheng Q, Zhen Q, Li Q. Serum bisphenol A and progression of type 2 diabetic nephropathy: a 6-year prospective study. Acta Diabetol 2015; 52:1135-41. [PMID: 26321107 DOI: 10.1007/s00592-015-0801-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 07/23/2015] [Indexed: 12/14/2022]
Abstract
AIMS Bisphenol A (BPA) is associated with diabetes and cardiovascular diseases. The aim of our study was to evaluate whether serum BPA could predict the progression of chronic kidney disease (CKD) in patients with type 2 diabetes (T2D). METHODS In this prospective study, a total of 121 patients with T2D and estimated glomerular filtration rate (eGFR) ≥ 60 mL/min/1.73 m(2) were followed up for 6 years. The baseline values of serum BPA were measured. Renal function was measured as eGFR calculated by the Chronic Kidney Disease Epidemiology Collaboration creatinine-cystatin C equation. Development of CKD was defined as eGFR < 60 mL/min/1.73 m(2) at the last follow-up. Regression models were used to analyze the associations of serum BPA with the change in eGFR and the risk of CKD development. RESULTS Baseline serum BPA concentration was 0.40 (0.17, 1.40) ng/mL. Duration of T2D, baseline waist circumference, systolic blood pressure, diastolic blood pressure, fasting plasma glucose, and serum BPA level were significantly negatively associated with the annual change and percentage change in eGFR. After adjusting for clinical factors, baseline serum BPA level had a significant negative association with the annual change in eGFR (β = -0.371, P < 0.001) and percentage change in eGFR (β = -0.391, P = <0.001). Multivariate logistic regression analysis showed that patients with high levels of serum BPA exhibited about a sevenfold increased risk of developing CKD compared to patients with low levels of serum BPA [odds ratio (OR) 6.65 (95 % CI 1.47, 30.04), P = 0.014]. CONCLUSION Serum BPA may be a predictor of CKD in patients with T2D.
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Affiliation(s)
- Jinbo Hu
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Shumin Yang
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Yue Wang
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Richa Goswami
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Chuan Peng
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Rufei Gao
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Huang Zhou
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Yi Zhang
- Hospital of Chongqing University, Chongqing, 400044, China
| | - Qingfeng Cheng
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Qianna Zhen
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China
| | - Qifu Li
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Street, Yuzhong District, Chongqing, 400016, China.
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Bosch-Panadero E, Mas S, Sanchez-Ospina D, Camarero V, Pérez-Gómez MV, Saez-Calero I, Abaigar P, Ortiz A, Egido J, González-Parra E. The Choice of Hemodialysis Membrane Affects Bisphenol A Levels in Blood. J Am Soc Nephrol 2015; 27:1566-74. [PMID: 26432902 DOI: 10.1681/asn.2015030312] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 08/17/2015] [Indexed: 12/15/2022] Open
Abstract
Bisphenol A (BPA), a component of some dialysis membranes, accumulates in CKD. Observational studies have linked BPA exposure to kidney and cardiovascular injury in humans, and animal studies have described a causative link. Normal kidneys rapidly excrete BPA, but insufficient excretion may sensitize patients with CKD to adverse the effects of BPA. Using a crossover design, we studied the effect of dialysis with BPA-containing polysulfone or BPA-free polynephron dialyzers on BPA levels in 69 prevalent patients on hemodialysis: 28 patients started on polysulfone dialyzers and were switched to polynephron dialyzers; 41 patients started on polynephron dialyzers and were switched to polysulfone dialyzers. Results were grouped for analysis. Mean BPA levels increased after one hemodialysis session with polysulfone dialyzers but not with polynephron dialyzers. Chronic (3-month) use of polysulfone dialyzers did not significantly increase predialysis serum BPA levels, although a trend toward increase was detected (from 48.8±6.8 to 69.1±10.1 ng/ml). Chronic use of polynephron dialyzers reduced predialysis serum BPA (from 70.6±8.4 to 47.1±7.5 ng/ml, P<0.05). Intracellular BPA in PBMCs increased after chronic hemodialysis with polysulfone dialyzers (from 0.039±0.002 to 0.043±0.001 ng/10(6) cells, P<0.01), but decreased with polynephron dialyzers (from 0.045±0.001 to 0.036±0.001 ng/10(6) cells, P<0.01). Furthermore, chronic hemodialysis with polysulfone dialyzers increased oxidative stress in PBMCs and inflammatory marker concentrations in circulation. In vitro, polysulfone membranes released significantly more BPA into the culture medium and induced more cytokine production in cultured PBMCs than did polynephron membranes. In conclusion, dialyzer BPA content may contribute to BPA burden in patients on hemodialysis.
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Affiliation(s)
| | - Sebastian Mas
- Renal, Vascular and Diabetes Laboratory, and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain;
| | - Didier Sanchez-Ospina
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Vanesa Camarero
- Division of Nephrology, Hospital Universitario de Burgos, Burgos, Spain
| | - Maria V Pérez-Gómez
- Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz Universidad Autónoma de Madrid (UAM), Madrid, Spain; Red Española de Investigación Renal, Madrid, Spain
| | | | - Pedro Abaigar
- Division of Nephrology, Hospital Universitario de Burgos, Burgos, Spain
| | - Alberto Ortiz
- Renal, Vascular and Diabetes Laboratory, and Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz Universidad Autónoma de Madrid (UAM), Madrid, Spain; Red Española de Investigación Renal, Madrid, Spain; Department of Medicine, UAM Medical School, Madrid, Spain; and Fundación Renal Íñigo Álvarez de Toledo/Instituto Reina Sofía de Investigación en Nefrología, Madrid, Spain
| | - Jesus Egido
- Renal, Vascular and Diabetes Laboratory, and Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain; Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz Universidad Autónoma de Madrid (UAM), Madrid, Spain; Department of Medicine, UAM Medical School, Madrid, Spain; and Fundación Renal Íñigo Álvarez de Toledo/Instituto Reina Sofía de Investigación en Nefrología, Madrid, Spain
| | - Emilio González-Parra
- Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, Spain; Division of Nephrology and Hypertension, IIS-Fundación Jimenez Diaz Universidad Autónoma de Madrid (UAM), Madrid, Spain; Red Española de Investigación Renal, Madrid, Spain; Department of Medicine, UAM Medical School, Madrid, Spain; and Fundación Renal Íñigo Álvarez de Toledo/Instituto Reina Sofía de Investigación en Nefrología, Madrid, Spain
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Olea-Herrero N, Arenas MI, Muñóz-Moreno C, Moreno-Gómez-Toledano R, González-Santander M, Arribas I, Bosch RJ. Bisphenol-A induces podocytopathy with proteinuria in mice. J Cell Physiol 2014; 229:2057-66. [PMID: 24809654 DOI: 10.1002/jcp.24665] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Accepted: 05/06/2014] [Indexed: 12/19/2022]
Abstract
Bisphenol-A, a chemical used in the production of the plastic lining of food and beverage containers, can be found in significant levels in human fluids. Recently, bisphenol-A has been associated with low-grade albuminuria in adults as well as in children. Since glomerular epithelial cells (podocytes) are commonly affected in proteinuric conditions, herein we explored the effects of bisphenol-A on podocytes in vitro and in vivo. On cultured podocytes we first observed that bisphenol-A-at low or high concentrations-(10 nM and 100 nM, respectively) was able to induce hypertrophy, diminish viability, and promote apoptosis. We also found an increase in the protein expression of TGF-β1 and its receptor, the cyclin-dependent kinase inhibitor p27Kip1, as well as collagen-IV, while observing a diminished expression of the slit diaphragm proteins nephrin and podocin. Furthermore, mice intraperitoneally injected with bisphenol-A (50 mg/Kg for 5 weeks) displayed an increase in urinary albumin excretion and endogenous creatinine clearance. Renal histology showed mesangial expansion. At ultrastructural level, podocytes displayed an enlargement of both cytoplasm and foot processes as well as the presence of condensed chromatin, suggesting apoptosis. Furthermore, immunohistochemistry for WT-1 (specific podocyte marker) and the TUNEL technique showed podocytopenia as well as the presence of apoptosis, respectively. In conclusion, our data demonstrate that Bisphenol-A exposure promotes a podocytopathy with proteinuria, glomerular hyperfiltration and podocytopenia. Further studies are needed to clarify the potential role of bisphenol-A in the pathogenesis as well as in the progression of renal diseases.
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Affiliation(s)
- Nuria Olea-Herrero
- Laboratory of Renal Physiology and Experimental Nephrology, Department of System Biology/Physiology Unit, University of Alcalá, Alcalá de Henares (28871), Spain
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Saura M, Marquez S, Reventun P, Olea‐Herrero N, Arenas MI, Moreno‐Gómez‐Toledano R, Gómez‐Parrizas M, Muñóz‐Moreno C, González‐Santander M, Zaragoza C, Bosch RJ. Oral administration of bisphenol A induces high blood pressure through angiotensin II/CaMKII‐dependent uncoupling of eNOS. FASEB J 2014; 28:4719-28. [DOI: 10.1096/fj.14-252460] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Marta Saura
- Laboratory of Pathophysiology of the Vascular WallUniversity of AlcaláAlcalá de HenaresSpain
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
| | - Susana Marquez
- Laboratory of Pathophysiology of the Vascular WallUniversity of AlcaláAlcalá de HenaresSpain
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
| | - Paula Reventun
- Laboratory of Pathophysiology of the Vascular WallUniversity of AlcaláAlcalá de HenaresSpain
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
| | - Nuria Olea‐Herrero
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
- Laboratory of Renal Physiology and Experimental NephrologyUniversity of AlcaláAlcalá de HenaresSpain
| | - María Isabel Arenas
- Laboratory of Renal Physiology and Experimental NephrologyUniversity of AlcaláAlcalá de HenaresSpain
- Cell Biology UnitDepartment of Biomedicine and BiotechnologyUniversity of AlcaláAlcalá de HenaresSpain
| | - Rafael Moreno‐Gómez‐Toledano
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
- Laboratory of Renal Physiology and Experimental NephrologyUniversity of AlcaláAlcalá de HenaresSpain
| | | | - Carmen Muñóz‐Moreno
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
- Laboratory of Renal Physiology and Experimental NephrologyUniversity of AlcaláAlcalá de HenaresSpain
| | - Marta González‐Santander
- Laboratory of Renal Physiology and Experimental NephrologyUniversity of AlcaláAlcalá de HenaresSpain
- Department of Medicine and Medical SpecialtiesUniversity of AlcaláAlcalá de HenaresSpain
| | - Carlos Zaragoza
- National Center for Cardiovascular Research (CNIC)MadridSpain
- Laboratory of Cardiovascular PathophysiologyJoint Translational Research UnitUniversity Francisco de Vitoria School of Medicine and Division of CardiologyUniversity Hospital Ramón y CajalMadridSpain
| | - Ricardo J. Bosch
- Physiology UnitDepartment of Systems BiologyUniversity of AlcaláAlcalá de HenaresSpain
- Laboratory of Renal Physiology and Experimental NephrologyUniversity of AlcaláAlcalá de HenaresSpain
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