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Hung KC, Yao WC, Liu YL, Yang HJ, Liao MT, Chong K, Peng CH, Lu KC. The Potential Influence of Uremic Toxins on the Homeostasis of Bones and Muscles in Chronic Kidney Disease. Biomedicines 2023; 11:2076. [PMID: 37509715 PMCID: PMC10377042 DOI: 10.3390/biomedicines11072076] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/21/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Patients with chronic kidney disease (CKD) often experience a high accumulation of protein-bound uremic toxins (PBUTs), specifically indoxyl sulfate (IS) and p-cresyl sulfate (pCS). In the early stages of CKD, the buildup of PBUTs inhibits bone and muscle function. As CKD progresses, elevated PBUT levels further hinder bone turnover and exacerbate muscle wasting. In the late stage of CKD, hyperparathyroidism worsens PBUT-induced muscle damage but can improve low bone turnover. PBUTs play a significant role in reducing both the quantity and quality of bone by affecting osteoblast and osteoclast lineage. IS, in particular, interferes with osteoblastogenesis by activating aryl hydrocarbon receptor (AhR) signaling, which reduces the expression of Runx2 and impedes osteoblast differentiation. High PBUT levels can also reduce calcitriol production, increase the expression of Wnt antagonists (SOST, DKK1), and decrease klotho expression, all of which contribute to low bone turnover disorders. Furthermore, PBUT accumulation leads to continuous muscle protein breakdown through the excessive production of reactive oxygen species (ROS) and inflammatory cytokines. Interactions between muscles and bones, mediated by various factors released from individual tissues, play a crucial role in the mutual modulation of bone and muscle in CKD. Exercise and nutritional therapy have the potential to yield favorable outcomes. Understanding the underlying mechanisms of bone and muscle loss in CKD can aid in developing new therapies for musculoskeletal diseases, particularly those related to bone loss and muscle wasting.
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Affiliation(s)
- Kuo-Chin Hung
- Division of Nephrology, Department of Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
- Department of Pharmacy, Tajen University, Pingtung 907, Taiwan
| | - Wei-Cheng Yao
- Department of Anesthesiology, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
- Department of Medical Education and Clinical Research, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Yi-Lien Liu
- Department of Family Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Hung-Jen Yang
- Department of General Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Min-Tser Liao
- Department of Pediatrics, Taoyuan Armed Forces General Hospital Hsinchu Branch, Hsinchu City 300, Taiwan
- Department of Pediatrics, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
- Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Keong Chong
- Division of Endocrinology and Metabolism, Department of Medicine, Min-Sheng General Hospital, Taoyuan City 330, Taiwan
| | - Ching-Hsiu Peng
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien 970, Taiwan
| | - Kuo-Cheng Lu
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien 970, Taiwan
- Division of Nephrology, Department of Medicine, Fu-Jen Catholic University Hospital, School of Medicine, Fu-Jen Catholic University, New Taipei City 242, Taiwan
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
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Takiguchi T, Vu HT, Nishino Y. Effects of Polychlorinated Dibenzo-p-dioxins, Polychlorinated Dibenzofurans, and Dioxin-like PCBs on Teeth and Bones in Animals and Humans. TOXICS 2022; 11:7. [PMID: 36668733 PMCID: PMC9866321 DOI: 10.3390/toxics11010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/09/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
Bone metabolism is regulated by endocrine systems, so people exposed to polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) may suffer adverse effects on bones and teeth. We reviewed previous publications in which effects of PCDD/Fs and dioxin-like polychlorinated biphenyls on the teeth and bones of animals and humans were found. The aim was to identify future research directions, particularly for epidemiological studies of populations exposed to PCDD/Fs in the environment. Exposure of fetuses to PCDD/Fs may affect odontogenesis, particularly enamel formation, but the effects of PCDD/Fs on bone genesis are limited to palatine bone. Exposure to PCDD/Fs in milk may affect both teeth and bones, but the effects on bones may be reversible. Exposure to high PCDD/F concentrations even during adulthood may adversely affect teeth. Exposure to PCDD/Fs may induce osteogenesis and improve bone properties because the disrupting effects of PCDD/Fs cause bone remodeling and vitamin D activation. More studies involving humans are required to investigate previously found associations between the PCDD/F concentrations humans are exposed to and biological markers for teeth and bones, including metabolites of vitamin D.
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Herlin M, Sánchez-Pérez I, Esteban J, Korkalainen M, Barber X, Finnilä MAJ, Hamscher G, Joseph B, Viluksela M, Håkansson H. Bone toxicity induced by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and the retinoid system: A causality analysis anchored in osteoblast gene expression and mouse data. Reprod Toxicol 2021; 105:25-43. [PMID: 34363983 DOI: 10.1016/j.reprotox.2021.07.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 07/16/2021] [Accepted: 07/30/2021] [Indexed: 12/18/2022]
Abstract
Dioxin exposures impact on bone quality and osteoblast differentiation, as well as retinoic acid metabolism and signaling. In this study we analyzed associations between increased circulating retinol concentrations and altered bone mineral density in a mouse model following oral exposure to 2,3,7,8-tetrachlordibenzo-p-dioxin (TCDD). Additionally, effects of TCDD on differentiation marker genes and genes involved with retinoic acid metabolism were analysed in an osteoblast cell model followed by benchmark dose-response analyses of the gene expression data. Study results show that the increased trabecular and decreased cortical bone mineral density in the mouse model following TCDD exposure are associated with increased circulating retinol concentrations. Also, TCDD disrupted the expression of genes involved in osteoblast differentiation and retinoic acid synthesis, degradation, and nuclear translocation in directions compatible with increasing cellular retinoic acid levels. Further evaluation of the obtained results in relation to previously published data by the use of mode-of-action and weight-of-evidence inspired analytical approaches strengthened the evidence that TCDD-induced bone and retinoid system changes are causally related and compatible with an endocrine disruption mode of action.
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Affiliation(s)
- Maria Herlin
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Ismael Sánchez-Pérez
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Alicante, Spain.
| | - Javier Esteban
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Alicante, Spain.
| | - Merja Korkalainen
- Environmental Health Unit, Finnish Institute for Health and Welfare (THL), Kuopio, Finland.
| | - Xavier Barber
- Centro de Investigación Operativa, Universidad Miguel Hernández, Elche, Alicante, Spain.
| | - Mikko A J Finnilä
- Research Unit of Medical Imaging, Physics, and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
| | - Gerd Hamscher
- Institute of Food Chemistry and Food Biotechnology, Justus Liebig University Giessen, 10 Giessen, Germany.
| | - Bertrand Joseph
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Matti Viluksela
- Environmental Health Unit, Finnish Institute for Health and Welfare (THL), Kuopio, Finland; School of Pharmacy (Toxicology) and Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland.
| | - Helen Håkansson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
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Giannattasio R, Lisco G, Giagulli VA, Settembrini S, De Pergola G, Guastamacchia E, Lombardi G, Triggiani V. Bone Disruption and Environmental Pollutants. Endocr Metab Immune Disord Drug Targets 2021; 22:704-715. [PMID: 33461478 DOI: 10.2174/1871530321666210118163538] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/06/2020] [Accepted: 11/24/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Endocrine Disrupting Chemicals (EDCs) are ubiquitous and may significantly contribute in environmental pollution, thus contaminating humans and wildlife. Environmental pollutants could interfere with bone homeostasis by means of different mechanisms, which include hormonal imbalance, direct osteoblasts toxicity and enanchment of osteoclasts activity, thus leading to osteopenia or osteoporosis. Among these, bisphenols, dioxins, polycyclic aromatic hydrocarbons, polychlorobiphenyls, poly- and perfluoroalkyls, phthalates, parabens, organotins and cadmium may play a role in bone distuption. METHODS PubMed/MEDLINE, ISI-web of knowledge and Google scholar databases were searched for medical subject headings terms and free-text word related to the aforementioned classes of chemicals and bone metabolism and remodelling for better clarifying and understanding the main mechanisms of bone disruption. RESULTS Several of EDCs act as xenoestrogens. Considering that estrogens play a significant role in regulating bone remodeling, most of these chemicals generate hormonal imbalance with possible detrimental consequences on bone tissue structure and its mechanical and non-mechanical properties. DISCUSSION A lot of evidences about bone distruptors came from in vitro studies or animal models, and conduct to equivocal results. In addition, a few data derived form humans and most of these data focused on the impact of EDCs on bone mineral density without considering their influence on long-term fracture risk. Moreover, it should be taken into account that humans are exposed to a mixture of EDCs and the final effect on bone metabolism might be the result of either a synergism or antagonist effects among them. Age of first exposure, cumulative dose exposure over time, and the usually observed non-monotonic dose-response curve for EDCs should be considered as other important variable influencing the final effect on bone metabolism. CONCLUSION Taking into account these variables, observational studies are needed to better analyze this issue both for echological purpose and to preserve bone health.
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Affiliation(s)
- Raffaele Giannattasio
- ASL Napoli 1 Centro, DS 29, SPS San Gennaro, Service of Endocrinology, Via San Gennaro dei Poveri 25, 80136, Naples. Italy
| | - Giuseppe Lisco
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
| | - Vito Angelo Giagulli
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
| | - Silvio Settembrini
- ASL Napoli 1 Centro, DS 26, Metabolic, Endocrine and Diabetes Unit Pellegrini Hospital, Naples. Italy
| | - Giovanni De Pergola
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine and Clinical Oncology, University of Bari Aldo Moro, Piazza Giulio Cesare 11, 70124 Bari. Italy
| | - Edoardo Guastamacchia
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
| | | | - Vincenzo Triggiani
- Interdisciplinary Department of Medicine - Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases. School of Medicine, University of Bari, Piazza Giulio Cesare 11, Policlinico of Bari, Bari. Italy
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Banjabi AA, Li AJ, Kumosani TA, Yousef JM, Kannan K. Serum concentrations of perfluoroalkyl substances and their association with osteoporosis in a population in Jeddah, Saudi Arabia. ENVIRONMENTAL RESEARCH 2020; 187:109676. [PMID: 32485360 DOI: 10.1016/j.envres.2020.109676] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 05/05/2020] [Accepted: 05/11/2020] [Indexed: 06/11/2023]
Abstract
Human exposure to poly- and perfluoroalkyl substances (PFASs) is widespread and has received considerable attention in recent years due to their link with adverse health outcomes, including bone health. Nevertheless, no earlier studies have reported serum PFAS concentrations, and their association with incident osteoporosis in populations in Saudi Arabia. In this clinical case-control study, serum samples collected from 208 individuals (n = 100 cases and n = 108 controls) aged 40-89 years from Jeddah, Saudi Arabia, were analyzed for 17 PFASs. Unconditional logistic regression was used to calculate odds ratios (ORs) for association between serum PFAS concentrations and osteoporosis, stratified by gender, age, serum calcium and vitamin D, previous history of fractures and thyroid disorders. Perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), perfluorobutanoic acid (PFBA), perfluorononanoic acid (PFNA), perfluorohexane sulfonic acid (PFHxS), perfluoro-n-pentanoic acid (PFPeA) and perfluoroundecanoic acid (PFUnDA) were detected in >80% of serum samples analyzed. PFOS (overall median concentration: 5.08 ng/mL), PFHxS (1.49 ng/mL), PFOA (1.33 ng/mL) and PFNA (0.55 ng/mL) accounted for 94% and 80% of the total serum PFASs concentrations in cases and controls, respectively. Serum PFOA, PFNA and PFUnDA concentrations increased with age in Saudi women. Results from the crude models showed that individuals in the 2nd, 3rd and 4th quartiles of serum PFAS concentrations had 2.3-96-fold increase in odds of diagnosis for osteoporosis compared with those in the 1st quartile (rank order: PFUnDA > PFOA > PFNA > PFOS > PFHxS). Our results suggest that exposure to PFOA, PFOS, PFNA, PFHxS and PFUnDA was associated with osteoporosis in this sample of adult Saudi population.
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Affiliation(s)
- Abeer A Banjabi
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Adela Jing Li
- Wadsworth Center, New York State Department of Health, Albany, NY, 12201, USA
| | - Taha A Kumosani
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia; Production of Bio-products for Industrial Applications Research Group, King Abdulaziz University, Jeddah, Saudi Arabia; Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jehad M Yousef
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia; Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia; Biochemistry Department, College of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Kurunthachalam Kannan
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia; Wadsworth Center, New York State Department of Health, Albany, NY, 12201, USA; Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia; Department of Pediatrics, New York University School of Medicine, New York, NY, 10016, USA; Department of Environmental Medicine, New York University School of Medicine, New York, NY, 10016, USA.
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Eskenazi B, Warner M, Brambilla P, Signorini S, Ames J, Mocarelli P. The Seveso accident: A look at 40 years of health research and beyond. ENVIRONMENT INTERNATIONAL 2018; 121:71-84. [PMID: 30179766 PMCID: PMC6221983 DOI: 10.1016/j.envint.2018.08.051] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 08/21/2018] [Accepted: 08/23/2018] [Indexed: 05/02/2023]
Abstract
A 1976 chemical factory explosion near Seveso, Italy exposed residents to high levels of 2,3,7,8-tetracholorodibenzo-p-dioxin (TCDD or dioxin). Dioxin is a known human carcinogen and potent endocrine disruptor. It is highly lipophilic and has a long half-life in humans. Much of what we know and can learn about the risks of dioxin exposure on human health arose from the tragic circumstances of Seveso. This review aims to describe the Seveso accident, summarize the results of 40 years of research on the health of the Seveso population since the accident, and discuss next-stage research on the health of Seveso residents, their children, and grandchildren.
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Affiliation(s)
- Brenda Eskenazi
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, USA.
| | - Marcella Warner
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, USA
| | - Paolo Brambilla
- Department of Laboratory Medicine, University of Milano-Bicocca, School of Medicine, Hospital of Desio, Desio-Milano, Italy
| | - Stefano Signorini
- Department of Laboratory Medicine, University of Milano-Bicocca, School of Medicine, Hospital of Desio, Desio-Milano, Italy
| | - Jennifer Ames
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, USA
| | - Paolo Mocarelli
- Department of Laboratory Medicine, University of Milano-Bicocca, School of Medicine, Hospital of Desio, Desio-Milano, Italy
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VITKU J, KOLATOROVA L, FRANEKOVA L, BLAHOS J, SIMKOVA M, DUSKOVA M, SKODOVA T, STARKA L. Endocrine Disruptors of the Bisphenol and Paraben Families and Bone Metabolism. Physiol Res 2018; 67:S455-S464. [DOI: 10.33549/physiolres.934005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
After menopause, when estrogen levels decrease, there is room for the activity of anthropogenic substances with estrogenic properties – endocrine disruptors (EDs) – that can interfere with bone remodeling and changes in calcium-phosphate metabolism. Selected unconjugated EDs of the bisphenol group – BPA, BPS, BPF, BPAF, and the paraben family – methyl-, ethyl-, propyl-, butyl-, and benzyl-parabens – were measured by high performance liquid chromatography-tandem mass spectrometry in the plasma of 24 postmenopausal women. Parameters of calcium-phosphate metabolism and bone mineral density were assessed. Osteoporosis was classified in 14 women, and 10 women were put into the control group. The impact of EDs on calcium-phosphate metabolism was evaluated by multiple linear regressions. In women with osteoporosis, concentrations of BPA ranged from the lower limit of quantification (LLOQ) – 104 pg/ml and methyl paraben (MP) from LLOQ – 1120 pg/ml. The alternative bisphenols BPS, BPF and BPAF were all under the LLOQ. Except for MP, no further parabens were detected in the majority of samples. The multiple linear regression model found a positive association of BPA (β=0.07, p<0.05) on calcium (Ca) concentrations. Furthermore, MP (β=-0.232, p<0.05) was negatively associated with C-terminal telopeptide. These preliminary results suggest that these EDs may have effects on calcium-phosphate metabolism.
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Knutsen HK, Alexander J, Barregård L, Bignami M, Brüschweiler B, Ceccatelli S, Cottrill B, Dinovi M, Edler L, Grasl-Kraupp B, Hogstrand C, Nebbia CS, Oswald IP, Petersen A, Rose M, Roudot AC, Schwerdtle T, Vleminckx C, Vollmer G, Wallace H, Fürst P, Håkansson H, Halldorsson T, Lundebye AK, Pohjanvirta R, Rylander L, Smith A, van Loveren H, Waalkens-Berendsen I, Zeilmaker M, Binaglia M, Gómez Ruiz JÁ, Horváth Z, Christoph E, Ciccolallo L, Ramos Bordajandi L, Steinkellner H, Hoogenboom LR. Risk for animal and human health related to the presence of dioxins and dioxin-like PCBs in feed and food. EFSA J 2018; 16:e05333. [PMID: 32625737 PMCID: PMC7009407 DOI: 10.2903/j.efsa.2018.5333] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The European Commission asked EFSA for a scientific opinion on the risks for animal and human health related to the presence of dioxins (PCDD/Fs) and DL-PCBs in feed and food. The data from experimental animal and epidemiological studies were reviewed and it was decided to base the human risk assessment on effects observed in humans and to use animal data as supportive evidence. The critical effect was on semen quality, following pre- and postnatal exposure. The critical study showed a NOAEL of 7.0 pg WHO2005-TEQ/g fat in blood sampled at age 9 years based on PCDD/F-TEQs. No association was observed when including DL-PCB-TEQs. Using toxicokinetic modelling and taking into account the exposure from breastfeeding and a twofold higher intake during childhood, it was estimated that daily exposure in adolescents and adults should be below 0.25 pg TEQ/kg bw/day. The CONTAM Panel established a TWI of 2 pg TEQ/kg bw/week. With occurrence and consumption data from European countries, the mean and P95 intake of total TEQ by Adolescents, Adults, Elderly and Very Elderly varied between, respectively, 2.1 to 10.5, and 5.3 to 30.4 pg TEQ/kg bw/week, implying a considerable exceedance of the TWI. Toddlers and Other Children showed a higher exposure than older age groups, but this was accounted for when deriving the TWI. Exposure to PCDD/F-TEQ only was on average 2.4- and 2.7-fold lower for mean and P95 exposure than for total TEQ. PCDD/Fs and DL-PCBs are transferred to milk and eggs, and accumulate in fatty tissues and liver. Transfer rates and bioconcentration factors were identified for various species. The CONTAM Panel was not able to identify reference values in most farm and companion animals with the exception of NOAELs for mink, chicken and some fish species. The estimated exposure from feed for these species does not imply a risk.
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Yang SC, Wu CH, Tu YK, Huang SY, Chou PC. Exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin increases the activation of aryl hydrocarbon receptor and is associated with the aggressiveness of osteosarcoma MG-63 osteoblast-like cells. Oncol Lett 2018; 16:3849-3857. [PMID: 30127998 PMCID: PMC6096154 DOI: 10.3892/ol.2018.9098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 06/29/2018] [Indexed: 12/20/2022] Open
Abstract
The aryl hydrocarbon receptor (AhR) is a ligand-dependent transcription factor whose activity is modulated by xenobiotics and physiological ligands. Activation of the AhR by environmental xenobiotics may induce a conformational change in AhR and has been implicated in a variety of cellular processes, including inflammation and tumorigenesis. It is unknown whether the activation of AhR serves a role in modulating the progression of osteosarcoma. The osteosarcoma cell line MG-63, was treated with AhR ligand, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). TCDD treatment degrades AhR expression through activation of the AhR signaling pathway, however there were no survival differences observed in MG-63 cells. There were concomitant elevations of cyclooxygenase-2 and receptor activator of nuclear factor-κB ligand secretion from MG-63 cells upon TCDD treatment on a protein and mRNA level at 24 and 72 h. In addition, TCDD treatment also increases the production of prostaglandin E2 on MG-63 cells, and induces the expression of chemokine receptor CXCR4. However, CXCL12 production was not altered in MG-63 cells when stimulated with TCDD. The AhR antagonist CH-223191, blocks the effects on TCDD-induced RANKL, COX-2, PGE2 and CXCR4 changes. In conclusion, these findings suggest that AhR signal therapy should be further explored as a therapeutic option for the treatment of osteosarcoma.
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Affiliation(s)
- Shih-Chieh Yang
- Department of Orthopedic Surgery, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan, R.O.C
| | - Chin-Hsien Wu
- Department of Orthopedic Surgery, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan, R.O.C
| | - Yuan-Kun Tu
- Department of Orthopedic Surgery, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan, R.O.C
| | - Shin-Yu Huang
- Department of Thoracic Medicine, Chang Gung Medical Foundation, Chang Gung University, College of Medicine, Taoyuan 33305, Taiwan, R.O.C
| | - Pai-Chien Chou
- Department of Thoracic Medicine, Saint Paul's Hospital, Taoyuan 33069, Taiwan, R.O.C.,Department of Thoracic Medicine, Chang Gung Medical Foundation, Chang Gung University, College of Medicine, Taoyuan 33305, Taiwan, R.O.C
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10
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Chin KY, Pang KL, Mark-Lee WF. A Review on the Effects of Bisphenol A and Its Derivatives on Skeletal Health. Int J Med Sci 2018; 15:1043-1050. [PMID: 30013446 PMCID: PMC6036156 DOI: 10.7150/ijms.25634] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 06/06/2018] [Indexed: 12/12/2022] Open
Abstract
Bisphenol A (BPA) is an endocrine disruptor which can bind to the oestrogen receptor. It also possesses oestrogenic, antiandrogenic, inflammatory and oxidative properties. Since bone responds to changes in sex hormones, inflammatory and oxidative status, BPA exposure could influence bone health in humans. This review aimed to summarize the current evidence on the relationship between BPA and bone health derived from cellular, animal and human studies. Exposure to BPA (0.5-12.5 µM) decreased the proliferation of osteoblast and osteoclast precursor cells and induce their apoptosis. Bisphenol AF (10 nM) enhanced transforming growth factor beta signalling but bisphenol S (10 nM) inhibited Wnt signalling involved in osteoblast differentiation in vitro. In animals, BPA and its derivatives demonstrated distinct effects in different models. In prenatal/postnatal exposure, BPA increased femoral bone mineral content in male rats (at 25 ug/kg/day) but decreased femoral mechanical strength in female mice (at 10 µg/kg/day). In oestrogen deficiency models, BPA improved bone mineral density and microstructures in aromatase knockout mice (at very high dose, 0.1% or 1.0% w/w diet) but decreased trabecular density in ovariectomized rats (at 37 or 370 ug/kg/day). In contrast, bisphenol A diglycidyl ether (30 mg/kg/day i.p.) improved bone health in normal male and female rodents and decreased trabecular separation in ovariectomized rodents. Two cross-sectional studies have been performed to examine the relationship between BPA level and bone mineral density in humans but they yielded negligible association. As a conclusion, BPA and its derivatives could influence bone health and a possible gender effect was observed in animal studies. However, its effects in humans await verification from more comprehensive longitudinal studies in the future.
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Affiliation(s)
- Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia
| | - Kok-Lun Pang
- Biomedical Science Programme, School of Diagnostic and Applied Health Sciences, Faculty of Health Sciences, Universiti Kebangsaan Malaysia
| | - Wun Fui Mark-Lee
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia
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11
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Emond C, DeVito M, Warner M, Eskenazi B, Mocarelli P, Birnbaum LS. An assessment of dioxin exposure across gestation and lactation using a PBPK model and new data from Seveso. ENVIRONMENT INTERNATIONAL 2016; 92-93:23-32. [PMID: 27045706 PMCID: PMC4902767 DOI: 10.1016/j.envint.2016.03.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 02/27/2016] [Accepted: 03/14/2016] [Indexed: 05/09/2023]
Abstract
On July 10, 1976, an explosion at a chemical plant in Seveso, Italy, released up to 30kg of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-the most potent dioxin congener. Twenty years later, the Seveso Women's Health Study (SWHS) initiated a follow-up assessment of a cohort of female Seveso residents. Researchers collected serial blood, measured for TCDD levels, and recorded information about the women's medical history after the explosion. The study's aims were to: 1) modify the human PBPK model for TCDD (Emond et al. 2004; Emond et al. 2005; NCEA-USEPA, 2010) to include repetitive gestation and lactation; 2) simulate TCDD blood concentrations during different life stages including pregnancy and lactation, under different exposure scenarios; and 3) use this PBPK model to compare the influence of gestation and lactation on elimination of TCDD. After optimization of the model, it was assessed using data from the SWHS cohort. The 23 women in Subcohort A, were 4-39years old and in Subcohort B, the 18 women were 3-17years old when the explosion occurred. The model accurately predicted the blood concentrations during the 20years post-exposure, including periods of pregnancy and lactation. The model was also used to analyze the contribution of gestation and lactation to the mother's elimination of TCDD. The results suggest that gestation and lactation do not significantly impact TCDD blood elimination. Future efforts will focus on using additional data to evaluate the PBPK model and improving the mathematical descriptions of lactation and multiple gestations.
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Affiliation(s)
- C Emond
- BioSimulation Consulting Inc., Newark, DE, USA; Department of Environmental and Occupational Health, University of Montreal, Quebec, Canada.
| | - M DeVito
- National Institute of Environmental Health Sciences, National Toxicology Program, Research Triangle Park, NC, USA
| | - M Warner
- School of Public Health, University of California, Berkeley, CA, USA
| | - B Eskenazi
- School of Public Health, University of California, Berkeley, CA, USA
| | - P Mocarelli
- Department of Laboratory Medicine, University of Milano-Bicocca, School of Medicine, Hospital of Desio, Desio, Milano, Italy
| | - L S Birnbaum
- National Cancer Institute, Research Triangle Park, NC, USA
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Fukushi JI, Tokunaga S, Nakashima Y, Motomura G, Mitoma C, Uchi H, Furue M, Iwamoto Y. Effects of dioxin-related compounds on bone mineral density in patients affected by the Yusho incident. CHEMOSPHERE 2016; 145:25-33. [PMID: 26650575 DOI: 10.1016/j.chemosphere.2015.11.091] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 11/10/2015] [Accepted: 11/22/2015] [Indexed: 06/05/2023]
Abstract
Exposure to dioxin-related compounds results in many adverse health effects. Several studies have examined the effects of dioxin-related compounds on human bone metabolism with inconsistent results. In Japan in 1968, accidental human exposure to rice oil contaminated with dioxin-related compounds led to the development of Yusho oil disease. The aim of this study was to determine whether exposure to dioxin-related compounds was associated with bone mineral density in Yusho patients. In 2010, 262 women and 227 men underwent dual-energy X-ray absorptiometry bone scans as part of the nationwide Yusho health examination. Serum levels of polychlorinated dibenzo-p-dioxin, polychlorinated dibenzofurans, and non-ortho polychlorinated biphenyls were measured using high-resolution gas chromatography and high-resolution mass spectrometry. When adjusted for prefecture, 1,2,3,4,7,8-HxCDD and 2,3,7,8-TCDF were significantly positively associated with Z-scores in men. No congeners were positively associated with Z-scores in women. After adjustment for prefecture and body mass index, one congener, 1,2,3,4,6,7,8-HpCDD, was negatively associated with Z-scores in women. In contrast, no congeners remained significant in men after adjusting for body mass index. This may suggest that 1,2,3,4,6,7,8-HpCDD has a negative effect on bone mineral density in women; however, the findings should be interpreted carefully, because no increase in the serum level of this congener was observed in patients with Yusho disease.
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Affiliation(s)
- Jun-Ichi Fukushi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan.
| | - Shoji Tokunaga
- Medical Information Center, Kyushu University Hospital, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yasuharu Nakashima
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Goro Motomura
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Chikage Mitoma
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroshi Uchi
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Masutaka Furue
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yukihide Iwamoto
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Maidashi3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
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