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Onofre-Camarena DB, Elizalde-Velázquez GA, Gómez-Oliván LM, García-Medina S, Galar-Martínez M, Jerónimo Juárez JR, Herrera-Vázquez SE. Assessing the impact of COVID-19 era drug combinations on hepatic functionality: A thorough investigation in adult Danio rerio. Environ Pollut 2024; 349:123997. [PMID: 38636837 DOI: 10.1016/j.envpol.2024.123997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/03/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
Current and thorough information on the ecotoxicological consequences of pharmaceuticals is accessible globally. However, there remains a substantial gap in knowledge concerning the potentially toxic effects of COVID-19 used drugs, individually and combined, on aquatic organisms. Given the factors above, our investigation assumes pivotal importance in elucidating whether or not paracetamol, dexamethasone, metformin, and their tertiary mixtures might prompt histological impairment, oxidative stress, and apoptosis in the liver of zebrafish. The findings indicated that all treatments, except paracetamol, augmented the antioxidant activity of superoxide dismutase (SOD) and catalase (CAD), along with elevating the levels of oxidative biomarkers such as lipid peroxidation (LPX), hydroperoxides (HPC), and protein carbonyl content (PCC). Paracetamol prompted a reduction in the activities SOD and CAT and exhibited the most pronounced toxic response when compared to the other treatments. The gene expression patterns paralleled those of oxidative stress, with all treatments demonstrating overexpression of bax, bcl2, and p53. The above suggested a probable apoptotic response in the liver of the fish. Nevertheless, our histological examinations revealed that none of the treatments induced an apoptotic or inflammatory response in the hepatocytes. Instead, the observed tissue alterations encompassed leukocyte infiltration, sinusoidal dilatation, pyknosis, fatty degeneration, diffuse congestion, and vacuolization. In summary, the hepatic toxicity elicited by COVID-19 drugs in zebrafish was less pronounced than anticipated. This attenuation could be attributed to metformin's antioxidant and hormetic effects.
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Affiliation(s)
- Diana Belen Onofre-Camarena
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP, 50120, Toluca, Estado de México, Mexico
| | - Gustavo Axel Elizalde-Velázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP, 50120, Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP, 50120, Toluca, Estado de México, Mexico.
| | - Sandra García-Medina
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional. Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México, CP, 07700, Mexico
| | - Marcela Galar-Martínez
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional. Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México, CP, 07700, Mexico
| | - José Roberto Jerónimo Juárez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP, 50120, Toluca, Estado de México, Mexico
| | - Selene Elizabeth Herrera-Vázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP, 50120, Toluca, Estado de México, Mexico
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Liu T, Lu Y, Sun M, Shen H, Niu D. Effects of acute hypoxia and reoxygenation on histological structure, antioxidant response, and apoptosis in razor clam Sinonovacula constricta. Fish Shellfish Immunol 2024; 145:109310. [PMID: 38142828 DOI: 10.1016/j.fsi.2023.109310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/21/2023] [Accepted: 12/14/2023] [Indexed: 12/26/2023]
Abstract
Hypoxia is one of the major environmental problems limiting the healthy development of intensive aquaculture. Marine benthic shellfish are encountering heightened problems related to hypoxic stress as a result of ongoing human activities and aquaculture operations. Razor clam Sinonovacula constricta, a commercially valuable shellfish, has not yet been reported in studies on physiological changes caused by hypoxia and reoxygenation. To understand the negative effects of hypoxia and reoxygenation on the clams, we set up two low-oxygen concentration groups (DO 2.0 mg/L and DO 0.5 mg/L) and assessed multiple aspects of oxidative damage to their hepatopancreas and gills. After the hypoxic stress, the two tissues of the razor clam suffered varying degrees of damage, including cell degeneration and disruption of mitochondrial cristae. After reoxygenation, the 2.0 mg/L group recovered substantially, but the clams in the 0.5 mg/L group still unrecovered. The activities of antioxidant enzymes (MDA, T-AOC, SOD, GPX, and CAT) in clams were considerably altered by acute hypoxia and reoxygenation. Briefly, there was a growing and then declining trend in MDA, T-AOC, and SOD activities in the hepatopancreas, whereas GPX and CAT activities showed the converse trend. In the hepatopancreas and gills, the level of anti-apoptotic gene Bcl-2 transcripts gradually decreased with the duration of hypoxia and increased following reoxygenation. However, changes in the transcript level of the pro-apoptotic gene Bax were in contrast to that of Bcl-2. The TUNEL assay revealed that hypoxia caused apoptosis. Furthermore, at DO 0.5 mg/L, the degree of apoptosis was more significant than at DO 2.0 mg/L, and hepatopancreatic apoptosis was more severe than gill apoptosis. Collectively, our findings imply that hypoxia induces oxidative stress, histological damage, and apoptosis in razor clams in a concentration-dependent and tissue-specific manner. These consequences serve as a reminder that prolonged recovery periods may be required for razor clams to fully recover from oxidative damage resulting from hypoxia-reoxygenation episodes.
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Affiliation(s)
- Tao Liu
- Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China
| | - Yang Lu
- Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China
| | - Mengying Sun
- Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China
| | - Heding Shen
- Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, 201306, China.
| | - Donghong Niu
- Shanghai Collaborative Innovation Center for Cultivating Elite Breeds and Green-culture of Aquaculture Animals, Shanghai Ocean University, Shanghai, 201306, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Huaihai Institute of Technology, Lianyungang, 222005, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China.
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Soares JÍ, da Silva TM, Castania JA, Reis UÁ, Roque LFM, Ribeiro AB, Salgado HC, Ribeiro AB. Electrical carotid sinus nerve stimulation attenuates experimental colitis induced by acetic acid in rats. Life Sci 2023; 335:122281. [PMID: 37984513 DOI: 10.1016/j.lfs.2023.122281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023]
Abstract
AIMS The carotid bodies are sensors that detect physiological signals and convey them to the central nervous system, where the stimuli are processed inducing reflexes through efferent pathways. Recent studies have demonstrated that electrical stimulation of the carotid sinus nerve (CSN) triggers the anti-inflammatory reflex under different conditions. However, whether this electrical stimulation attenuates colitis was never examined. This study aimed to evaluate if the electrical CSN stimulation attenuates the experimental colitis induced by intrarectal administration of acetic acid in rats. METHODS Electrodes were implanted around the CSN to stimulate the CSN, and a catheter was inserted into the left femoral artery to record the arterial pressure. The observation of hypotensive responses confirmed the effectiveness of the electrical CNS stimulation. This maneuver was followed by a 4 % acetic acid or saline administered intrarectally. After 24 h, colons were segmented into distal and proximal parts for macroscopy, histological and biochemical assessment. KEY FINDINGS As expected, the electrical CSN stimulation was effective in decreasing arterial pressure in saline and colitis rats. Moreover, electrical CSN stimulation effectively reduced colonic tissue lesions, colitis scores, and histopathologic parameters associated with colitis. In addition, the CSN stimulation also reduced the colonic mucosa pro-inflammatory cytokine interleukin-1 beta, and increased the anti-inflammatory interleukin-10, in rats submitted to colitis. SIGNIFICANCE These findings indicated that electrical CSN stimulation breaks the vicious cycle of local colon inflammation in colitis, which might contribute to its better outcome.
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Affiliation(s)
- Jefferson Ícaro Soares
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Thaís Marques da Silva
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Jaci Airton Castania
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | | | | | | | - Helio Cesar Salgado
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Aline Barbosa Ribeiro
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil; Barão de Mauá University Center, Ribeirão Preto, São Paulo, Brazil.
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Chiba Y, Takahashi Y, Takase Y, Tsuruta K, Maki R, Miyajima M, Ohnishi H, Watanabe A. Experimental and histological evaluation of different clamp technique for pulmonary artery. Interdiscip Cardiovasc Thorac Surg 2023; 37:ivad119. [PMID: 37522888 PMCID: PMC10500086 DOI: 10.1093/icvts/ivad119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 07/29/2023] [Indexed: 08/01/2023]
Abstract
OBJECTIVES The double-loop technique has been used in our clinical settings for pulmonary arterioplasty and/or injured artery repair during thoracoscopic anatomical lung resection. We evaluated the pressure resistance capacity and intimal load to determine the effectiveness and safety of the double-loop technique. METHODS The double-loop technique, DeBakey clamp, Fogarty clamp, endovascular clips and vessel loop technique were evaluated. During an experimental study, a polyvinyl alcohol main pulmonary artery model, manometer and in-deflation device were used to measure the burst pressure. The maximum clamp pressure was measured using a pressure-measuring film. Each measurement was performed 10 times. During the histological study, we measured the burst pressure and evaluated the intimal damage of the human pulmonary artery associated with the double-loop technique and DeBakey clamp. RESULTS The experimental burst pressure (mmHg) and maximum clamp pressure (MPa) between the double-loop technique and DeBakey at the third notch were not significantly different (24.6 ± 2.8 and 21.8 ± 2.8, P = 0.094; 1.54 ± 0.12 and 1.49 ± 0.12, P = 0.954). During the histological study, the burst pressures of the double-loop technique and DeBakey at the third notch were also not significantly different (P = 0.754). Furthermore, the double-loop technique resulted in only intimal deformation in each five samples. CONCLUSIONS The double-loop technique is feasible for thoracoscopic anatomical lung resection because it has similar pressure resistance capacity and intimal load as DeBakey at the 3rd notch.
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Affiliation(s)
- Yoshiki Chiba
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
| | - Yuki Takahashi
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
| | - Yoshiaki Takase
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
| | - Kodai Tsuruta
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
| | - Ryunosuke Maki
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
| | - Masahiro Miyajima
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
| | - Hirofumi Ohnishi
- Department of Basic Medical Science and Department of Public Health, Sapporo Medical University, Sapporo, Japan
| | - Atsushi Watanabe
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan
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Zhou L, Chu L, Du J, Nie Z, Cao L, Gao J, Xu G. Oxidative stress and immune response of hepatopancreas in Chinese mitten crab Eriocheir sinensis under lipopolysaccharide challenge. Comp Biochem Physiol C Toxicol Pharmacol 2023; 263:109495. [PMID: 36280105 DOI: 10.1016/j.cbpc.2022.109495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/11/2022] [Accepted: 10/19/2022] [Indexed: 11/24/2022]
Abstract
Chinese mitten crab (Eriocheir sinensis; H. Milne Edwards, 1853) is one of the important farmed crustaceans in China. Lipopolysaccharide (LPS), as a harmful factor, is prone to occur during the farming process of crabs. Aiming to test the hypothesis that damage degrees of the hepatopancreas in E. sinensis is correlated to LPS concentrations, in this study, E. sinensis were injected with LPS (50 μg/kg, and 500 μg/kg) and analyzed for the activity of antioxidant and immune-related enzymes, immune-related gene expression, and histopathological of hepatopancreas. As result, the hepatopancreas of E. sinensis immune-related genes, i.e., Dorsal, HSP90, Toll2, TLRs, Tube, and proPO, were significantly affected by LPS challenge. Among immune-related genes, Dorsal and proPO might play key roles in combating the LPS challenge. The activity of CAT gradually decreased with the increase of time, and the total antioxidant capacity was decreased after LPS challenge, indicating the inhibition of LPS on the antioxidant system. Interestingly, the decreasing trend of AKP and ACP activity suggested the immune system of crabs was affected by LPS challenge. The hepatopancreas section showed that the damage degree of hepatopancreas was different under the challenge of LPS with different concentrations, and the damage degree was proportional to the concentration. Our findings provide useful information for understanding the mechanism of hepatopancreas injury of E. sinensis induced by LPS infection.
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Affiliation(s)
- Lin Zhou
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China
| | - Lanlu Chu
- Wuxi Biologics, 108 Meiliang Road, Mashan, Wuxi 214092, China
| | - Jinliang Du
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Zhijuan Nie
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Liping Cao
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Jiancao Gao
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Gangchun Xu
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
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Zhou N, Wang Z, Yang L, Zhou W, Qin Z, Zhang H. Size-dependent toxicological effects of polystyrene microplastics in the shrimp Litopenaeus vannamei using a histomorphology, microbiome, and metabolic approach. Environ Pollut 2023; 316:120635. [PMID: 36370970 DOI: 10.1016/j.envpol.2022.120635] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Due to the wide application of plastic products in human life, microplastic pollution in water has recently attracted more attention. Many studies have revealed the size-dependent toxicity of microplastics. Here, we investigated the toxicological effects of polystyrene microplastics (PS-MPs) on the white leg shrimp, Litopenaeus vannamei, a profitable aquaculture species, using a comprehensive histomorphological, microbiome, and metabolomic approach to verify whether smaller particles are more toxic than larger particles. L. vannamei were experimentally exposed to water containing PS-MPs of four sizes (0.1, 1.0, 5.0, and 20.0 μm) for 24 h at 10 mg/L (acute experiment) and 12 d at 1 mg/L (subchronic experiment). After 24 h of acute exposure, PS-MP accumulation in shrimp indicated that the ingestion and egestion of PS-MPs had a size-dependent effect, and smaller particles were more bioavailable. The tissue morphological results of subchronic experiments showed that, for the guts and gills, the smaller sizes of the PS-MPs exhibited greater damage. In addition, 16 S rRNA gene amplicon sequencing showed that the alpha diversity was higher under larger PS-MP exposure. Correlated with changes in intestinal bacteria, we found a greater enrichment of metabolic pathways in hemolymph proteins and metabolites in larger PS-MP groups, such as "arginine and proline metabolism", "protein digestion and absorption", "lysine degradation". Interestingly, the activity or content of biomarkers of oxidative stress showed a peak at 1 μm and 5 μm. Under specific sizes of PS-MPs, the abundance of the pathogen Vibrio and probiotic bacteria Rhodobacter (5-μm) and Bacillus and Halomonas (1-μm) were simultaneously enriched. Our results indicated that PS-MP exposure can cause size-dependent damage to shrimp, yet specific particle size can be influential differently in regard to some research indicators. Therefore, it can enhance our comprehensive understanding of the impacts of microplastics on shrimp health and suggests that specific particle size should be considered when assessing the size-dependent toxicity of microplastics.
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Affiliation(s)
- Ningjia Zhou
- Center for Biological Science and Technology, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, Guangdong, China; College of Education for the Future, Beijing Normal University, Zhuhai, 519087, Guangdong, China; Faculty of Art and Science, Beijing Normal University, Zhuhai, 519087, Guangdong, China
| | - Zhiwei Wang
- Center for Biological Science and Technology, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, Guangdong, China; College of Education for the Future, Beijing Normal University, Zhuhai, 519087, Guangdong, China; Faculty of Art and Science, Beijing Normal University, Zhuhai, 519087, Guangdong, China
| | - Lifeng Yang
- Center for Biological Science and Technology, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, Guangdong, China; College of Education for the Future, Beijing Normal University, Zhuhai, 519087, Guangdong, China; Faculty of Art and Science, Beijing Normal University, Zhuhai, 519087, Guangdong, China
| | - Wenyao Zhou
- Center for Biological Science and Technology, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, Guangdong, China; College of Education for the Future, Beijing Normal University, Zhuhai, 519087, Guangdong, China; Faculty of Art and Science, Beijing Normal University, Zhuhai, 519087, Guangdong, China
| | - Zhiwei Qin
- Center for Biological Science and Technology, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, Guangdong, China
| | - Heqian Zhang
- Center for Biological Science and Technology, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, Guangdong, China; College of Education for the Future, Beijing Normal University, Zhuhai, 519087, Guangdong, China; Faculty of Art and Science, Beijing Normal University, Zhuhai, 519087, Guangdong, China.
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Kim WS, Kwak IS. EDCs trigger immune-neurotransmitter related gene expression, and cause histological damage in sensitive mud crab Macrophthalmus japonicus gills and hepatopancreas. Fish Shellfish Immunol 2022; 122:484-494. [PMID: 35150829 DOI: 10.1016/j.fsi.2022.02.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Endocrine-disrupting chemicals (EDCs), distributed at various concentrations in freshwater and marine ecosystems, affect the survival, reproduction, and behavior of wide ranges organisms. Most toxicology studies on EDCs have focused on the endocrine system of invertebrates, and research on invertebrate neurotransmitters is limited. In the present study, we investigated the expression of Macrophthalmus japonicus genes encoding γ-aminobutyric acid transporter subtype 2 (GAT-2) and glutamine synthetase (GS), which play important roles as neurotransmitters at synapses. We observed differences in the mRNA expression levels of GAT-2 and GS as well as histological changes in various tissues after exposure to bisphenol-A (BPA) and di-(2-ethylhexyl) phthalate (DEHP). The amino acid sequences of M. japonicus GAT-2 and GS formed separate branches in crustaceans, fish, insects, and mammals. M. japonicus GAT-2 and GS expression levels were highest in the gills, hepatopancreas, and stomach, and showed different between DEHP or BPA treatments. In particular, hepatopancreas GS expression on Day 1, the first step in the presynaptic process, was upregulated after BPA and DEHP exposure, while GAT-2, sequential step in the presynaptic process, was significantly elevated only in DEHP. After BPA treatments, gill GS expression was increased at all concentrations, whereas GAT-2 expression was overall down regulations. In contrast, in DEHP treatment groups hepatopancreatic GS and GAT-2 expression at Day 1 was only significantly higher and all groups including gill GS and GAT-2 expression were downregulation. Histological changes in the gills and hepatopancreas were observed in a concentration-dependent manner. Accordingly, BPA and DEHP exposure in crabs could be stimulate neurotransmitter gene expression and alter the morphological structure of gill and hepatopancreas.
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Affiliation(s)
- Won-Seok Kim
- Department of Ocean Integrated Science, Chonnam National University, Yeosu, 59626, South Korea
| | - Ihn-Sil Kwak
- Department of Ocean Integrated Science, Chonnam National University, Yeosu, 59626, South Korea.
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Merçon J, Silva Cabral D, Chisté Teixeira B, Miura Pereira T, Magalhães Bona A, Valadares Locateli Armini C, do Nascimento Agostinho SG, Carvalho Gomes L. Evidence of reproductive disturbance in Astyanax lacustris (Teleostei: Characiformes) from the Doce River after the collapse of the Fundão Dam in Mariana, Brazil. Environ Sci Pollut Res Int 2021; 28:66643-66655. [PMID: 34235679 DOI: 10.1007/s11356-021-15238-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
The Fundão Dam collapsed, on November 5th, 2015, dumping more than 50 million/m3 of iron ore tailings, enriched with metals, into the Doce River channel. The objective of this study was to evaluate the reproductive biology and histological damage in Astyanax lacustris specimens exposed to the metals from the dam collapse. The study was carried out at Doce River, in Espírito Santo State, Brazil. Monthly samplings were carried out for a year. Astyanax lacustris had multiple spawning: females' reproductive peak was in September, October, November, and December; and males between September, October, January, and February. There was a latency in the formation of gonads. For male gonads, it was necessary a 6 cm growth for it to increase from 30 to 50% and 4 cm for female gonads to increase from 40 to 50%. There is a positive correlation between gonad's concentration of Al and Fe and the rate of histological damage in females. Male gonads had a high rate of immature cells invading the cell lumen (47.36%) and female gonads showed a higher frequency of atresia (39.64%). Fish exposed to the contaminated water showed moderate-high gonad histological damage. The observed changes can directly influence the organism's development and reproduction in the long run, thus affecting A. lacustris population present in the region.
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Affiliation(s)
- Julia Merçon
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil.
| | - Dandara Silva Cabral
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
| | - Bárbara Chisté Teixeira
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
| | - Tatiana Miura Pereira
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
| | - Alliny Magalhães Bona
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
| | - Catharina Valadares Locateli Armini
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
| | - Silvia Gabriela do Nascimento Agostinho
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
| | - Levy Carvalho Gomes
- Laboratório de Ictiologia Aplicada - LabPeixe, Universidade Vila Velha, Complexo Biopráticas, Av. José Dantas de Melo, 21, Boa Vista, Zip Code, Vila Velha, ES, 29102-770, Brazil
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Ciftci O, Onat E, Cetin A. The Beneficial Effects of Fish Oil Following Cisplatin-Induced Oxidative and Histological Damage in Liver of Rats. Iran J Pharm Res 2017; 16:1424-1431. [PMID: 29552051 PMCID: PMC5843304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
This study investigated the protective effect of fish oil (FO) on cisplatin (CP) toxicity in the rat liver. Twenty-eight rats were divided equally into four groups, with the first being a control group. The second group (CP group) was given 7 mg/kg of CP and the third group (FO group) was given 1 FO softgel/rat/day for 14 days. The rats in the fourth group (CP + FO group) were treated with both CP and FO at the above doses. CP treatment caused significant oxidative damage via an increase in thiobarbituric acid reactive substances (TBARS) and reduced antioxidant defenses through a decrease in the activities of catalase (CAT), superoxide dismutase (SOD), reduced glutathione (GSH), and glutathione peroxidase (GPx) in rat liver tissue. Also, CP caused histopathological abnormalities, including necrosis, in the liver tissue. However, concurrent FO treatment prevented the negative oxidative and histopathological effects of CP. In conclusion, CP treatment can cause hepatotoxicity in rats, but dietary supplementation with FO can attenuate the oxidative and histological changes caused by CP. Thus, FO may be useful in preventing CP-induced hepatotoxicity in cancer patients.
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Affiliation(s)
- Osman Ciftci
- Department of Pharmacology, Faculty of Medicine, University of Inonu, Malatya, Turkey.
| | - Elif Onat
- Malatya State Hospital, Home Health Service Unit, Malatya, Turkey.,Corresponding author: E-mail:
| | - Aslı Cetin
- Department of Histology and Embryology, Faculty of Medicine, University of Inonu, Malatya, Turkey.
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Zhang QF, Li YW, Liu ZH, Chen QL. Reproductive toxicity of inorganic mercury exposure in adult zebrafish: Histological damage, oxidative stress, and alterations of sex hormone and gene expression in the hypothalamic-pituitary-gonadal axis. Aquat Toxicol 2016; 177:417-424. [PMID: 27391360 DOI: 10.1016/j.aquatox.2016.06.018] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 06/22/2016] [Accepted: 06/22/2016] [Indexed: 06/06/2023]
Abstract
Mercury (Hg) is a prominent environmental contaminant that causes a variety of adverse effects on aquatic organisms. However, the mechanisms underlying inorganic Hg-induced reproductive impairment in fish remains largely unknown. In this study, adult zebrafish were exposed to 0 (control), 15 and 30μg Hg/l (added as mercuric chloride, HgCl2) for 30days, and the effects on histological structure, antioxidant status and sex hormone levels in the ovary and testis, as well as the mRNA expression of genes involved in the hypothalamic-pituitary-gonadal (HPG) axis were analyzed. Exposure to Hg caused pathological lesions in zebrafish gonads, and changed the activities and mRNA levels of antioxidant enzymes (catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GPx)) as well as the content of glutathione (GSH) and malondialdehyde (MDA). In females, although ovarian 17β-estradiol (E2) content remained relatively stable, significant down-regulation of lhβ, gnrh2, gnrh3, lhr and erα were observed. In males, testosterone (T) levels in the testis significantly decreased after Hg exposure, accompanied by down-regulated expression of gnrh2, gnrh3, fshβ and lhβ in the brain as well as fshr, lhr, ar, cyp17 and cyp11b in the testis. Thus, our study indicated that waterborne inorganic Hg exposure caused histological damage and oxidative stress in the gonads of zebrafish, and altered sex hormone levels by disrupting the transcription of related HPG-axis genes, which could subsequently impair the reproduction of fish. Different response of the antioxidant defense system, sex hormone and HPG-axis genes between females and males exposed to inorganic Hg indicated the gender-specific regulatory effect by Hg. To our knowledge, this is the first time to explore the effects and mechanisms of inorganic Hg exposure on reproduction at the histological, enzymatic and molecular levels, which will greatly extend our understanding on the mechanisms underlying of reproductive toxicity of inorganic Hg in fish.
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Affiliation(s)
- Qun-Fang Zhang
- Chongqing Key Laboratory of Animal Biology, School of Life Sciences, Chongqing Normal University, Chongqing 401331, China
| | - Ying-Wen Li
- Chongqing Key Laboratory of Animal Biology, School of Life Sciences, Chongqing Normal University, Chongqing 401331, China
| | - Zhi-Hao Liu
- Chongqing Key Laboratory of Animal Biology, School of Life Sciences, Chongqing Normal University, Chongqing 401331, China
| | - Qi-Liang Chen
- Chongqing Key Laboratory of Animal Biology, School of Life Sciences, Chongqing Normal University, Chongqing 401331, China.
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Nunes B, Miranda MT, Correia AT. Absence of effects of different types of detergents on the cholinesterasic activity and histological markers of mosquitofish (Gambusia holbrooki) after a sub-lethal chronic exposure. Environ Sci Pollut Res Int 2016; 23:14937-14944. [PMID: 27074930 DOI: 10.1007/s11356-016-6608-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 03/31/2016] [Indexed: 06/05/2023]
Abstract
The release of anthropogenic compounds into the aquatic environment has been a particular concern, since some of these substances exhibit biologic activity of different types in non-target species. Among anthropogenic compounds present in the aquatic compartment, detergents are commonly found and may be responsible for physiological modifications in exposed organisms. The impairment of key physiological functions, such as neurotransmission, and tissue damage in some important organs, has been used to assess the effects of several classes of xenobiotics, including detergents, in aquatic organisms. The present study intended to assess the effect of three types of detersive compounds (sodium dodecylsulfate (SDS), benzalkonium chloride (BZC), and Triton X-100 (TX100)) in the acetylcholinesterase activity (AChE) and tissue damage (gills and liver) of Gambusia holbrooki after a chronic exposure to realistic levels of these compounds. SDS, BZC, and TX100 did not cause any significant alteration in AChE. Furthermore, no specific gross morphological changes were also observed in the gills and liver of the exposed individuals. It is possible to conclude that, under ecologically relevant conditions of exposure, both tissue damage and cholinesterasic impairment are not toxicological pathways affected by detergents in G. holbrooki.
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Affiliation(s)
- B Nunes
- Departamento de Biologia, Centro de Estudos do Ambiente e do Mar (CESAM), Campus Universitário de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
| | - M T Miranda
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia 296, 4200-150, Porto, Portugal
| | - A T Correia
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia 296, 4200-150, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR - CIMAR), Rua dos Bragas 289, 450-123, Porto, Portugal
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Barni MFS, Ondarza PM, Gonzalez M, Da Cuña R, Meijide F, Grosman F, Sanzano P, Lo Nostro FL, Miglioranza KSB. Persistent organic pollutants (POPs) in fish with different feeding habits inhabiting a shallow lake ecosystem. Sci Total Environ 2016; 550:900-909. [PMID: 26851762 DOI: 10.1016/j.scitotenv.2016.01.176] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 01/26/2016] [Accepted: 01/26/2016] [Indexed: 06/05/2023]
Abstract
The occurrence of persistent organic pollutants (POPs) in the environment can affect organisms inhabiting aquatic systems, in particular shallow lakes that are vulnerable to environmental stressors. This study aimed to assess POPs accumulation and changes at histological and physiological levels in tissues of three fish species with different trophic habits. Gills, brain, muscle, liver and gonads of Odontesthes bonariensis, Oligosarcus jenynsii and Cyphocharax voga were collected from the shallow lake La Peregrina, located in an agricultural area from Argentina. In addition, contaminant levels in surface water (SW), suspended particulate matter (SPM) and bottom sediments (BS) were assessed. Histological lesions were evaluated in fish tissues and levels of vitellogenin (VTG) were assessed in plasma of male fish in order to correlate these alterations with the presence of POPs in the environment. Organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) were determined by GC-ECD. Biotic and abiotic samples showed the same POPs distribution pattern: OCPs>PCBs>PBDEs. Although tissue distribution of OCPs was species-specific, muscle showed the lowest levels in all species. The most abundant contaminants were endosulfans, suggesting their widespread use in the area. O. bonariensis showed the highest endosulfans levels in liver (184.2-219ngg(-1)wet w), which was associated with the high SPM levels considering this species is a filter feeder. The occurrence of PCBs and PBDEs shows the ubiquity of these pollutants in the area. Histological lesions in gills and liver of O. bonariensis and O. jenynsii, might be related with the high levels of endosulfans in these organs. The detection of VTG in males warns about a possible exposure to estrogenic compounds in the environment. In conclusion, the simultaneous exposure of fish to multiple environmental pollutants leads to different alterations, so measures should be taken in order to prevent their occurrence and toxic effects.
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Affiliation(s)
- María F Silva Barni
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata 7600, Argentina
| | - Paola M Ondarza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata 7600, Argentina
| | - Mariana Gonzalez
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata 7600, Argentina
| | - Rodrigo Da Cuña
- Laboratorio de Ecotoxicología Acuática, Departamento de Biodiversidad y Biología Experimental (DBBE), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET-UBA, C1428EGA Buenos Aires, Argentina
| | - Fernando Meijide
- Laboratorio de Ecotoxicología Acuática, Departamento de Biodiversidad y Biología Experimental (DBBE), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET-UBA, C1428EGA Buenos Aires, Argentina
| | - Fabián Grosman
- Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil 7000, Buenos Aires, Argentina; Instituto Multidisciplinario sobre Ecosistemas y Desarrollo Sustentable, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil 7000, Buenos Aires, Argentina
| | - Pablo Sanzano
- Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil 7000, Buenos Aires, Argentina; Instituto Multidisciplinario sobre Ecosistemas y Desarrollo Sustentable, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil 7000, Buenos Aires, Argentina
| | - Fabiana L Lo Nostro
- Laboratorio de Ecotoxicología Acuática, Departamento de Biodiversidad y Biología Experimental (DBBE), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (UBA), Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), CONICET-UBA, C1428EGA Buenos Aires, Argentina
| | - Karina S B Miglioranza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata 7600, Argentina.
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Nunes B, Braga MR, Campos JC, Gomes R, Ramos AS, Antunes SC, Correia AT. Ecotoxicological effect of zinc pyrithione in the freshwater fish Gambusia holbrooki. Ecotoxicology 2015; 24:1896-1905. [PMID: 26298705 DOI: 10.1007/s10646-015-1525-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/28/2015] [Indexed: 06/04/2023]
Abstract
Currently diverse biocidal agents can be used for distinct applications, such as personal hygiene, disinfection, antiparasitic activity, and antifouling effects. Zinc pyrithione is an organometallic biocide, with bactericidal, algicidal and fungicidal activities. It has been recently incorporated in antifouling formulas, such as paints, which prevent the establishment of a biofilm on surfaces exposed to the aquatic environment. It has also been used in cosmetics, such as anti-dandruff shampoos and soaps. Previously reported data has shown the presence of this substance in the aquatic compartment, a factor contributing to the potential exertion of toxic effects, and there is also evidence that photodegradation products of zinc pyrithione were involved in neurotoxic effects, namely by inhibiting cholinesterases in fish species. Additional evidence points to the involvement of zinc pyrithione in alterations of metal homeostasis and oxidative stress, in both aquatic organisms and human cell models. The present work assesses the potential ecotoxicity elicited by zinc pyrithione in the freshwater fish Gambusia holbrooki after an acute (96 h) exposure. The oxidative stress was assessed by the quantification of the activities of specific enzymes from the antioxidant defense system, such as catalase, and glutathione-S-transferases; and the extent of peroxidative damage was quantified by measuring the thiobarbituric acid reactive substances levels. Neurotoxicity was assessed through measurement of acetylcholinesterase activity; and a standardized method for the description and assessment of histological changes in liver and gills of was also used. Zinc pyrithione caused non-specific and reversible tissue alterations, both in liver and gills of exposed organisms. However, histopathological indices were not significantly different from the control group. In terms of oxidative stress biomarkers, none of the tested biomarkers indicated the occurrence of pro-oxidative effects, suggesting that the oxidative pathway is not the major toxicological outcome of exposure to zinc pyrithione.
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Affiliation(s)
- B Nunes
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus Universitário de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
- Departamento de Biologia, Centro de Estudos do Ambiente e do Mar (CESAM), Campus Universitário de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
| | - M R Braga
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia 296, 4200-150, Porto, Portugal
| | - J C Campos
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia 296, 4200-150, Porto, Portugal
| | - R Gomes
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia 296, 4200-150, Porto, Portugal
| | - A S Ramos
- Departamento de Biologia, Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre s/n, 4169-007, Porto, Portugal
| | - S C Antunes
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus Universitário de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal
- Departamento de Biologia, Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre s/n, 4169-007, Porto, Portugal
| | - A T Correia
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia 296, 4200-150, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR - CIMAR), Rua dos Bragas 289, 450-123, Porto, Portugal
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