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Nicolaou M, Toumba M, Kythreotis A, Daher H, Skordis N. Obesogens in Adolescence: Challenging Aspects and Prevention Strategies. CHILDREN (BASEL, SWITZERLAND) 2024; 11:602. [PMID: 38790597 PMCID: PMC11120186 DOI: 10.3390/children11050602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 05/02/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
Childhood obesity has become a global epidemic, with significant increases in prevalence over recent decades. While excessive calorie consumption and physical inactivity are known factors, emerging research highlights the role of endocrine-disrupting chemicals (EDCs), particularly obesogens, in obesity's pathogenesis. This review explores the historical context of the environmental obesogens hypothesis, their sources, mechanism of action, impact on prenatal and postnatal development, and epigenetics. Additionally, it discusses the long-term consequences of childhood obesity and proposes prevention strategies that will mitigate negative health effects. Obesogens were found to disrupt hormonal balance and metabolic processes through various mechanisms such as altering gene expression, hormonal interference, and inflammation. Especially significant was exposure during critical windows of development, which correlates with an increased risk of obesity in childhood or adolescence. Long-term effects of childhood obesity include chronic health conditions and psychosocial issues. A comprehensive approach is necessary to address childhood obesity encompassing genetic, environmental, and lifestyle factors. Prevention strategies should focus on reducing obesogen exposure, promoting healthy lifestyles, and implementing regulatory policies. Future research should investigate obesogens-diet interactions, microbiome impacts, and combined obesogens effects. Long-term human studies are also crucial for validating findings from animal models and allowing for informed decision-making to combat the obesity pandemic.
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Affiliation(s)
- Marina Nicolaou
- Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 4NS, UK; (M.N.); (A.K.)
| | - Meropi Toumba
- Paediatric Endocrinology Clinic, Department of Paediatrics, Aretaeio Hospital, 2024 Nicosia, Cyprus;
- School of Medicine, University of Nicosia, 2414 Nicosia, Cyprus;
| | - Alexandros Kythreotis
- Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 4NS, UK; (M.N.); (A.K.)
| | - Habib Daher
- School of Medicine, University of Nicosia, 2414 Nicosia, Cyprus;
| | - Nicos Skordis
- School of Medicine, University of Nicosia, 2414 Nicosia, Cyprus;
- Division of Paediatric Endocrinology, Paedi Center for Specialized Paediatrics, 2025 Nicosia, Cyprus
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2
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Mallikarachchi KEP, Bandara KRV, Weerasekera MM, Nugara RN, Undugoda LJS, Manage PM. Aromatase (CYP19) gene as a biomarker for detection of naphthalene and phenanthrene in Colombo to Mirissa coastal water in Sri Lanka. MARINE POLLUTION BULLETIN 2024; 201:116187. [PMID: 38412796 DOI: 10.1016/j.marpolbul.2024.116187] [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: 11/30/2023] [Revised: 02/18/2024] [Accepted: 02/19/2024] [Indexed: 02/29/2024]
Abstract
Naphthalene (NAP) and phenanthrene (PHE) are prevalent Polycyclic Aromatic Hydrocarbons (PAHs) in the environment. High-Performance Liquid Chromatography (HPLC) analysis was performed on marine water samples (n = 57) collected from 19 locations. Molecular screening of the aromatase (CYP19) gene expression was examined using quantitative Reverse Transcriptase PCR (qRT-PCR). The findings of the study showed a significant range of naphthalene concentrations along the coastline, spanning from 1.70 to 15.05 mg/L, where phenanthrene concentrations varied from undetectable to a maximum of 5.36 mg/L. The relative expression of the CYP19 gene ranged from 0.5 to 13.9 in the sampling sites. The ANOVA analysis showed a significant positive correlation (p < 0.05) between the concentrations of PAHs and CYP19 gene expression. The study concluded that the CYP19 gene could be useful in detecting contaminants such as naphthalene and phenanthrene in water. This study may help develop effective strategies to detect and mitigate PAH pollution in coastal areas.
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Affiliation(s)
- K E P Mallikarachchi
- Centre for Water Quality and Algae Research, Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka
| | - K R V Bandara
- Centre for Water Quality and Algae Research, Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka; Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka
| | - M M Weerasekera
- Department of Microbiology, Faculty of Medical Sciences, University of Sri Jayewardenepura, Sri Lanka
| | - R N Nugara
- Department of Biosystems Technology, Faculty of Technology, University of Sri Jayewardenepura, Pitipana, Homagama, Sri Lanka
| | - L J S Undugoda
- Department of Biosystems Technology, Faculty of Technology, University of Sri Jayewardenepura, Pitipana, Homagama, Sri Lanka
| | - P M Manage
- Centre for Water Quality and Algae Research, Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka; Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka.
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3
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Gomez NA, Sturla Lompré J, Ferrando A, Garrido M, Domini CE. Update on the status of the contamination by organotin compounds in sediment of Nuevo Gulf, Argentina. Insights from field and experimental studies. MARINE POLLUTION BULLETIN 2024; 200:116087. [PMID: 38335631 DOI: 10.1016/j.marpolbul.2024.116087] [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: 09/08/2023] [Revised: 01/26/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024]
Abstract
Organotin compounds are persistent pollutants and are considered chemicals of high environmental concern. In the present study, the distribution and degradation of tributyltin were evaluated in field sediments and through an ex situ experiment. For this, sediment samples from two locations were analysed: Luis Piedrabuena Harbour, with higher maritime traffic, and Cerro Avanzado, which receives less impact from anthropogenic activities. The results indicated that pollution levels at Luis Piedrabuena Harbour have decreased compared with studies performed 9 years ago for the same area. On the contrary, traces of organotin compounds have been found for the first time at Cerro Avanzado. Moreover, the butyltin degradation index indicated that organotin compounds undergo an advanced degradation process in the collected samples at both sites. Ex situ experiments revealed a limited capacity of sediments to retain tributyltin, and suggested an active role of bioturbation activity in the degradation of these compounds. In addition, visualisation using chemometric techniques (principal components analysis) allowed a simpler analysis of two sediment characteristics: the degree of contamination and the degradation levels of organotin compounds.
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Affiliation(s)
- N A Gomez
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS) - CONICET, Av. Alem 1253, B8000CPB Bahía Blanca, Buenos Aires, Argentina
| | - J Sturla Lompré
- Centro para el Estudio de Sistemas Marinos (CESIMAR) - CCT CONICET - CENPAT, Boulevard Brown 2915, U9120ACD Puerto Madryn, Chubut, Argentina; Laboratorio de Ecotoxicología de Invertebrados Acuáticos (LEIA) - IPaM - UNPSJB, Boulevard Brown 3051, U9120 Puerto Madryn, Chubut, Argentina
| | - A Ferrando
- Centro para el Estudio de Sistemas Marinos (CESIMAR) - CCT CONICET - CENPAT, Boulevard Brown 2915, U9120ACD Puerto Madryn, Chubut, Argentina; Laboratorio de Ecotoxicología de Invertebrados Acuáticos (LEIA) - IPaM - UNPSJB, Boulevard Brown 3051, U9120 Puerto Madryn, Chubut, Argentina.
| | - M Garrido
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS) - CONICET, Av. Alem 1253, B8000CPB Bahía Blanca, Buenos Aires, Argentina
| | - C E Domini
- INQUISUR, Departamento de Química, Universidad Nacional del Sur (UNS) - CONICET, Av. Alem 1253, B8000CPB Bahía Blanca, Buenos Aires, Argentina.
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4
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Cai H, Zheng N, Tang C, Zhang Y, Zuo Z, He C. Tributyltin causes generational neurodevelopmental toxicity and the protective effect of folic acid in zebrafish. J Environ Sci (China) 2024; 137:615-625. [PMID: 37980044 DOI: 10.1016/j.jes.2023.03.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/08/2023] [Accepted: 03/08/2023] [Indexed: 11/20/2023]
Abstract
Tributyltin (TBT), a common organotin environmental pollutant, may pose a threat to human development during critical early-life periods. We aimed to assess the neurodevelopmental intergenerational toxicity of early-life exposure to TBT and the protective effect of DNA methyl donor folic acid (FA). Specifically, after early-life exposure (1-21 days post-fertilization, dpf) to TBT (0, 1, 10 and 100 ng/L), zebrafish (Danio rerio) were cultured in clean medium until sexual maturity. The exposed females were mated with unexposed males to produce embryos (F1). The F1 generation were cultured (4-120 hours post-fertilization, hpf) with and without 1 mmol/L FA. The neurotoxic effects of early-life TBT exposure for zebrafish and their offspring (F1) were significantly enhanced anxiety and reduced aggression, decreased gene expression of DNA methyltransferase in the brain and increased serotonin levels in the body. Moreover, the intergenerational neurodevelopmental toxicity, as manifested in the F1 generation, was attenuated by FA supplementation. In summary, early-life TBT exposure led to intergenerational neurodevelopmental deficits in zebrafish, and DNA methyl donors had a protective effect on F1 neurodevelopment, which can inform the prevention and treatment of intergenerational neurotoxicity due to organotin pollutants.
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Affiliation(s)
- Haoxing Cai
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen 361005, China
| | - Naying Zheng
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen 361005, China
| | - Chen Tang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen 361005, China
| | - Yuxuan Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen 361005, China
| | - Zhenghong Zuo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen 361005, China.
| | - Chengyong He
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen 361005, China.
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Harino H, Ohji M, Kono K, Onduka T, Hano T, Mochida K. Current Status of Antifouling Biocides Contamination in the Seto Inland Sea, Japan. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 85:333-348. [PMID: 37910194 DOI: 10.1007/s00244-023-01036-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 09/25/2023] [Indexed: 11/03/2023]
Abstract
A monitoring survey of antifouling biocides was conducted in the Harima Nada Sea and Osaka Bay of the Seto Inland Sea, Japan to assess contamination by organotin (OT) compounds and alternative biocides. The concentrations of tributyltin (TBT) compounds in surface water ranged from 1.0 to 2.8 ng/L, and the detected TBT concentrations in the bottom water layer were higher than those in the surface water. The concentrations of TBT compounds in sediment samples ranged from 2.0 to 28 ng/g dry weight (dw), respectively. The concentrations of alternative biocides in the water and sediment were lower than those before the banning of TBT by the International Maritime Organization (IMO). Although triphenyltin (TPT) compounds were not detected in water samples, TPT compounds were detected in the range of < 0.1-2700 ng/g dw in sediment samples. Their concentrations in the water samples were as follows: diuron, < 1-53 ng/L; Sea-Nine 211, < 1-1.8 ng/L; Irgarol 1051, < 1-4.0 ng/L; dichlofluanid, < 1-343 ng/L; and chlorothalonil, < 1-1 ng/L, and the ranges of these alternative compounds in sediment samples were diuron, 32-488 ng/g dw; Sea-Nine 211, 47-591 ng/g dw; Irgarol, 33-128 ng/g dw; dichlofluanid, 67-8038 ng/g dw; and chlorothalonil, 31-2975 ng/g dw. Thus, the OTs and alternative biocides have still been detected in water and sediment samples from closed sea areas.
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Affiliation(s)
- Hiroya Harino
- Department of Human Sciences, Kobe College, Okadayama 4-1, Nishinomiya, Hyogo, 662-8505, Japan.
| | - Madoka Ohji
- Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509, Japan
| | - Kumiko Kono
- Hatsukaichi Branch, Fisheries Technology Institute, Japan, Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima, 739-0452, Japan
| | - Toshimitsu Onduka
- Hatsukaichi Branch, Fisheries Technology Institute, Japan, Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima, 739-0452, Japan
| | - Takashi Hano
- Hatsukaichi Branch, Fisheries Technology Institute, Japan, Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima, 739-0452, Japan
| | - Kazuhiko Mochida
- Hatsukaichi Branch, Fisheries Technology Institute, Japan, Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima, 739-0452, Japan
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Luo HW, Jiang JM, Wang X, Li M, Ding JJ, Hong WJ, Guo LH. Contaminant occurrence, water quality criteria and tiered ecological risk assessment in water: A case study of antifouling biocides in the Qiantang River and its estuary, Eastern China. MARINE POLLUTION BULLETIN 2023; 194:115311. [PMID: 37480803 DOI: 10.1016/j.marpolbul.2023.115311] [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: 05/13/2023] [Revised: 07/12/2023] [Accepted: 07/16/2023] [Indexed: 07/24/2023]
Abstract
Antifouling biocides may cause adverse effects on non-target species. This study aims to determine the distribution, sources, and ecological risks of antifouling biocides in the surface waters of the Qiantang River and its estuary in eastern China. The concentrations of total antifouling biocides were ranged from 12.9 to 215 ng/L for all water samples. Atrazine, diuron and tributyltin were the major compounds in the water bodies of the study area. The acute and chronic toxicity criteria for tributyltin, diuron and atrazine were derived for freshwater and saltwater, respectively, based on the species sensitivity distribution approach. The freshwater and saltwater criteria were slightly different, and the toxicity to aquatic organisms could be summarized as tributyltin > diuron > atrazine. The graded ecological risk rating showed that the long-term risk of TBT was significant in coastal waters. The pollution of TBT in the Qiantang River deserves further attention.
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Affiliation(s)
- Hai-Wei Luo
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China
| | - Jian-Ming Jiang
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China
| | - Xun Wang
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China
| | - Minjie Li
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China
| | - Jin-Jian Ding
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China; Institute of Environmental and Health Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, China
| | - Wen-Jun Hong
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China; Institute of Environmental and Health Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, China.
| | - Liang-Hong Guo
- College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China; Institute of Environmental and Health Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, China.
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7
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Núñez-Sánchez MÁ, Jiménez-Méndez A, Suárez-Cortés M, Martínez-Sánchez MA, Sánchez-Solís M, Blanco-Carnero JE, Ruiz-Alcaraz AJ, Ramos-Molina B. Inherited Epigenetic Hallmarks of Childhood Obesity Derived from Prenatal Exposure to Obesogens. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20064711. [PMID: 36981620 PMCID: PMC10048338 DOI: 10.3390/ijerph20064711] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 06/01/2023]
Abstract
Childhood obesity has reached epidemic levels in developed countries and is becoming a major cause for concern in the developing world. The causes of childhood obesity are complex and multifactorial, involving the interaction between individual genetics and environmental and developmental factors. Among the environmental factors, there is a growing interest in understanding the possible relationship between the so-called environmental obesogens and the development of obesity in children. Exposure to these obesogens such as phthalates, bisphenol A, or parabens, has been identified as a promoter of obesity through different mechanisms such as the alteration of adipocyte development from mesenchymal progenitors, the interference with hormone receptors, and induced inflammation. However, less attention has been paid to the inheritance of epigenetic modifications due to maternal exposure to these compounds during pregnancy. Thus, the aim of this review is to summarize the current knowledge of epigenetic modifications due to maternal exposure to those obesogens during pregnancy as well as their potential implication on long-term obesity development in the offspring and transgenerational inheritance of epiphenotypes.
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Affiliation(s)
- María Á Núñez-Sánchez
- Obesity and Metabolism Research Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain
| | - Almudena Jiménez-Méndez
- Department of Obstetrics and Gynecology, 'Virgen de la Arrixaca' University Clinical Hospital, 30120 Murcia, Spain
| | - María Suárez-Cortés
- Department of Nursing, Faculty of Nursing, University of Murcia, El Palmar, 30120 Murcia, Spain
| | - María A Martínez-Sánchez
- Obesity and Metabolism Research Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain
| | - Manuel Sánchez-Solís
- Group of Pediatric Research, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain
- Respiratory and Allergy Units, Arrixaca Children's University Hospital, University of Murcia, 30120 Murcia, Spain
| | - José E Blanco-Carnero
- Department of Obstetrics and Gynecology, 'Virgen de la Arrixaca' University Clinical Hospital, 30120 Murcia, Spain
- Gynecology, Reproduction and Maternal-Fetal Medicine Research Group, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain
| | - Antonio J Ruiz-Alcaraz
- Department of Biochemistry, Molecular Biology B and Immunology, School of Medicine, University of Murcia, Regional Campus of International Excellence "Campus Mare Nostrum", 30100 Murcia, Spain
| | - Bruno Ramos-Molina
- Obesity and Metabolism Research Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain
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Kucharski D, Giebułtowicz J, Drobniewska A, Nałęcz-Jawecki G, Skowronek A, Strzelecka A, Mianowicz K, Drzewicz P. The study on contamination of bottom sediments from the Odra River estuary (SW Baltic Sea) by tributyltin using environmetric methods. CHEMOSPHERE 2022; 308:136133. [PMID: 36041528 DOI: 10.1016/j.chemosphere.2022.136133] [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: 02/23/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
We present the first comprehensive study on the occurrence of tributyltin (TBT) in the Odra River estuary (SW Baltic Sea) that encompasses both densely populated and urbanized agglomeration Szczecin city, and sparsely populated biosphere reserves "Natura 2000". Relationship between TBT and physicochemical parameters of bottom sediments such as granulometry total organic carbon (TOC), total nitrogen (TN), acid volatile sulfide (AVS), As, and metals: Ba, Cd, Co, Cr, Cu, Fe, Hg, Ni, Mn, Mo, Pb, Sn, and Zn was investigated in 120 samples collected in 2017 and 2018. The highest TBT concentrations were over 3000 ng g-1 (dry weight). They were observed in samples collected in the vicinity of the ship maintenance zones of the Szczecin city. Despite the EU ban on its use since 2003, TBT is still present in the environment. Environmetrics analyses such as correlation, cluster, and principal component analysis of obtained results revealed that the main source of sediments contamination by TBT, metalloids, and metals is likely related to the maritime industry: shipyards, ship maintenance as well as ports and marines. TBT is still present in the bottom sediments because of its emission to the environment with dust and paint chips formed during sandblasting cleaning of ship surfaces. The pollutant is further transported with water current to remote localization in the Szczecin Lagoon. Slow water exchange between the Szczecin Lagoon and the Baltic Sea favors accumulation of pollutants in the lagoon sediments. Therefore, it is necessary to implement environmentally friendly methods into ship maintenance and management of the materials from dredged waterways, harbors, and marinas.
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Affiliation(s)
- Dawid Kucharski
- Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, Warszawa, 02-097, Poland
| | - Joanna Giebułtowicz
- Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, Warszawa, 02-097, Poland
| | - Agata Drobniewska
- Department of Environmental Health Sciences, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, Warszawa, 02-097, Poland
| | - Grzegorz Nałęcz-Jawecki
- Department of Environmental Health Sciences, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, Warszawa, 02-097, Poland
| | - Artur Skowronek
- Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16, Szczecin, 70-383, Poland
| | - Agnieszka Strzelecka
- Institute of Marine and Environmental Sciences, University of Szczecin, Mickiewicza 16, Szczecin, 70-383, Poland
| | - Kamila Mianowicz
- Interoceanmetal Joint Organization, Cyryla I Metodego 9-9A, Szczecin, 71-541, Poland
| | - Przemysław Drzewicz
- Polish Geological Institute-Polish Research Institute, Rakowiecka 4, Warszawa, 00-975, Poland.
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Mikac N, Furdek Turk M, Petrović D, Bigović M, Krivokapić S. First assessment of butyltins (BuTs) contamination of the Montenegrin coast (Southeast Adriatic): Tributyltin (TBT) poses a threat to the marine ecosystem. MARINE POLLUTION BULLETIN 2022; 185:114270. [PMID: 36347191 DOI: 10.1016/j.marpolbul.2022.114270] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/13/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
This study presents the first assessment of butyltins (BuTs) pollution of the Montenegrin coast. The distribution of tributyltin (TBT), dibutyltin (DBT) and monobutyltin (MBT) was investigated in mussels, sediments and water overlying sediment after the sediment resuspension. The results showed that the investigated sites (marinas, ports, shipyards) are contaminated with BuTs (19-402 ng (Sn)/g in mussels; 43-20,641 ng (Sn)/g in sediments; 9-566 ng (Sn)/L in overlying waters). The measured TBT concentrations indicate that toxic effects on marine organisms are expected at most locations. The simultaneous analysis of BuTs and total Sn in sediment cores allowed the assessment of TBT historical input, while it was demonstrated that resuspension of contaminated sediments leads to the release of all BuTs into the water column. This study shows that, despite the ban of TBT-based antifouling paints more than a decade ago, pollution of the marine environment with TBT is still a problem and regular monitoring remains essential.
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Affiliation(s)
- Nevenka Mikac
- Division for Marine and Environmental Research, Ruđer Bošković Institute, 10000 Zagreb, Croatia
| | - Martina Furdek Turk
- Division for Marine and Environmental Research, Ruđer Bošković Institute, 10000 Zagreb, Croatia.
| | - Dragana Petrović
- Faculty of Natural Sciences and Mathematics, University of Montenegro, 81000 Podgorica, Montenegro
| | - Miljan Bigović
- Faculty of Natural Sciences and Mathematics, University of Montenegro, 81000 Podgorica, Montenegro
| | - Sladjana Krivokapić
- Faculty of Natural Sciences and Mathematics, University of Montenegro, 81000 Podgorica, Montenegro
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10
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Rodrigues-Pereira P, Andrade MN, Santos-Silva AP, Teixeira MP, Soares P, Graceli JB, de Carvalho DP, Dias GRM, Ferreira ACF, Miranda-Alves L. Subacute and low-dose tributyltin exposure disturbs the mammalian hypothalamus-pituitary-thyroid axis in a sex-dependent manner. Comp Biochem Physiol C Toxicol Pharmacol 2022; 254:109279. [PMID: 35077874 DOI: 10.1016/j.cbpc.2022.109279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/03/2022]
Abstract
Tributyltin (TBT) is an endocrine disruptor chemical (EDC) capable of altering the proper function of the hypothalamus-pituitary thyroid (HPT) axis. This study aimed to evaluate the subacute effects of TBT on the HPT axis of male and female rats. A dose of 100 ng/kg/day TBT was used in both sexes over a 15-day period, and the morphophysiology and gene expression of the HPT axis were assessed. TBT exposure increased the body weight in both sexes, while food efficiency increased - only in male rats. It was also possible to note alterations in the thyroid, with the presence of a stratified epithelium, cystic degeneration, and increased interstitial collagen deposition. A reduction in T3 and T4 levels was only observed in TBT male rats. A reduction in TSH levels was observed in TBT female rats. Evaluating mRNA expression, we observed a decrease in hepatic D1 and TRH mRNA levels in TBT female rats. An increase in D2 mRNA expression in the hypothalamus was observed in TBT male rats. Additionally, no significant changes in TRH or hepatic D1 mRNA expression in TBT male rats or in hypothalamic D1 and D2 mRNA expression in TBT female rats were observed. Thus, we can conclude that TBT has different toxicological effects on male and female rats by altering thyroid gland morphophysiology, leading to abnormal HPT axis function, and even at subacute and low doses, it may be involved in complex endocrine and metabolic disorders.
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Affiliation(s)
- Paula Rodrigues-Pereira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Marcelle Novaes Andrade
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil
| | - Ana Paula Santos-Silva
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Núcleo Interdisciplinar NUMPEX, Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana Pires Teixeira
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil
| | - Paula Soares
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal; Instituto de Patologia e Imunologia Molecular da Universidade do Porto (IPATIMUP), Porto, Portugal; Departamento de Patologia, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
| | - Jones Bernardes Graceli
- Laboratório de Toxicologia e Endocrinologia, Departamento de Morfologia, Universidade Federal do Espírito Santo, Brazil
| | - Denise Pires de Carvalho
- Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Glaecir Roseni Mundstock Dias
- Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Andrea Claudia Freitas Ferreira
- Núcleo Interdisciplinar NUMPEX, Campus Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Laboratório de Fisiologia Endócrina Doris Rosenthal, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - Leandro Miranda-Alves
- Laboratório de Endocrinologia Experimental-LEEx, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Endocrinologia, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Brazil; Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Brazil.
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Abeywardhana DC, Adikaram NM, Kularatne RKA. Are mangrove forests reliable sinks of heavy metals due to phytoremediation and other mechanisms? A Sri Lankan perspective. MARINE POLLUTION BULLETIN 2022; 177:113453. [PMID: 35278907 DOI: 10.1016/j.marpolbul.2022.113453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
We present a viewpoint regarding the prospects in Sri Lanka (a tropical island nation) to depend on mangroves in the remediation of heavy metal laden coastal environments. Sri Lanka has a rich array of lagoons and estuaries (total extent of 1580.17 km2) with ideal brackish water habitats to allow mangrove proliferation and for more restoration works. Furthermore, our estimates of Total Potential Ecological Risk (PER < 150) indicate that ecological risk from metallic contamination of coastal sediments is low, which means mangrove ecosystems would be ideal natural treatment systems for such low polluting environments (but as final cum tertiary treatment systems only). Mangroves are neither metal hyperaccumulators nor good phytoremediators (no ability to take up more than 5000 mg/kg dry weight of a given metal or exhibit a bioconcentration factor ≥ 1000), which means not very effective for high polluting environments.
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Affiliation(s)
| | - Nayana Madurya Adikaram
- Department of Physical Sciences, Faculty of Applied Sciences, South Eastern University, Sri Lanka
| | - Ranil Kavindra Asela Kularatne
- Department of Ecology, Environment and Evolution, La Trobe University, Bundoora Campus, Australia; Faculty of Graduate Studies, University of Colombo, Sri Lanka.
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Insights into the Restoration of Tributyltin Contaminated Environments Using Marine Bacteria from Portuguese Fishing Ports. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11146411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Tributyltin (TBT) is an organotin chemical mainly used as biocide in marine antifouling paints. Despite the restrictions and prohibitions on its use, TBT is still an environmental problem due to its extensive application and subsequent release into the environment, being regarded as one of the most toxic chemicals released into the marine ecosystems. Microorganisms inhabiting impacted sites are crucial for their restoration since they have developed mechanisms to tolerate and break down pollutants. Nonetheless, transformation products resulting from the degradation process may still be toxic or, sometimes, even more toxic than the parent compound. The determination of the parent and degradation products by analytical methods, although necessary, may not be ecologically relevant since no information is provided regarding their ecotoxicity. In this study, marine bacteria collected from seven Portuguese fishing ports were isolated and grown in the presence of TBT. Bacteria that exhibited higher growth were used to bioremediate TBT-contaminated waters. The potential of these bacteria as bioremediation agents was evaluated through ecotoxicological assays using the sea snail Gibbula umbilicalis as model organism. Data suggested that some TBT-tolerant bacteria, such as Pseudomonas putida, can reduce the toxicity of TBT contaminated environments. This work contributes to the knowledge of TBT-degrading bacteria.
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