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Karthick Rajan D, Mohan K, Rajarajeswaran J, Divya D, Thanigaivel S, Zhang S. Toxic effects of organophosphate pesticide monocrotophos in aquatic organisms: A review of challenges, regulations and future perspectives. ENVIRONMENTAL RESEARCH 2024; 244:117947. [PMID: 38109962 DOI: 10.1016/j.envres.2023.117947] [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: 09/12/2023] [Revised: 12/05/2023] [Accepted: 12/12/2023] [Indexed: 12/20/2023]
Abstract
In recent times, usage of pesticide, herbicides and synthetic fertilizers in farming lands has made the environment worse. The pesticide residues and toxic byproducts from agricultural lands were found to contaminate the aquatic ecosystem. The misuse of synthetic pesticide not only affects the environment, but also affects the health status of aquatic organisms. The organophosphate pesticide pollutants are emerging contaminants, which threatens the terrestrial and aquatic ecosystem. Monocrotophos (MCP) is an organophosphate insecticide, utilized on crops including rice, maize, sugarcane, cotton, soybeans, groundnuts and vegetables. MCP is hydrophilic in nature and their solubilizing properties reduce the soil sorption which leads to groundwater contamination. The half-life period of MCP is 17-96 and the half-life period of technical grade MCP is 2500 days if held stable at 38 °C in a container. MCP causes mild to severe confusion, anxiety, hyper-salivation, convulsion and respiratory distress in mammals as well as aquatic animals. The MCP induced toxicity including survival rate, behavioural changes, reproductive toxicity and genotoxicity in different aquatic species have been discussed in this review. Furthermore, the ultimate aim of this review is to highlight the international regulations, future perspectives and challenges involved in using the MCP.
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Affiliation(s)
- Durairaj Karthick Rajan
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, Hunan, 410013, PR China.
| | - Kannan Mohan
- PG and Research Department of Zoology, Sri Vasavi College, Erode, Tamil Nadu, 638 316, India.
| | - Jayakumar Rajarajeswaran
- Department of Nanobiomaterials, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, Tamil Nadu, India
| | - Dharmaraj Divya
- Department of Animal Health and Management, Alagappa University, Karaikudi, Tamilnadu, 630003, India
| | - Sundaram Thanigaivel
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur Campus, 603 203, Tamilnadu, India
| | - Shubing Zhang
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, Hunan, 410013, PR China
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2
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Identification, characterization and differential expression analysis of a pteridine synthesis related gene, Ccptps, in koi carp (Cyprinus carpio L.). Comp Biochem Physiol B Biochem Mol Biol 2022; 264:110814. [DOI: 10.1016/j.cbpb.2022.110814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/12/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022]
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Konduktorova VV, Luchinskaya NN, Belyavsky AV. Expression of the Germes Germ Plasm Gene in Follicular Cells of X. laevis Oocytes. Russ J Dev Biol 2022. [DOI: 10.1134/s1062360422050034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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4
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Aguilar L, Lara-Flores M, Rendón-von Osten J, Kurczyn JA, Vilela B, da Cruz AL. Effects of polycyclic aromatic hydrocarbons on biomarker responses in Gambusia yucatana, an endemic fish from Yucatán Peninsula, Mexico. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:47262-47274. [PMID: 33891236 DOI: 10.1007/s11356-021-13952-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are petroleum components that, when dissolved in the aquatic environment, can disrupt normal animal physiological functions and negatively affect species populations. Gambusia yucatana is an endemic fish of the Yucatán Peninsula that seems to be particularly sensitive to the presence of PAHs dissolved in the water. Here, we examined PAH effects on gene expressions linked to endocrine disruption and biotransformation in this species. Specifically, we examined the expression of vitellogenin I (vtg1), vitellogenin II (vtg2), oestrogen receptor α (esr1), oestrogen receptor β (esr2), aryl hydrocarbon receptor (AhR) and the cytochrome P4503A (CYP3A) genes. We exposed G. yucatana to different concentrations of PAHs (3.89, 9.27, 19.51 μg/L) over a period of 72 h and found changes associated with reproduction, such as increases in hepatic expression of vtg, esr, AhR and CYP3A, mainly at concentrations of 9.27 and 19.51 μg/L. Our results also indicate that benzo[a]pyrene was probably the main PAH responsible for the observed effects. The genes examined here can be used as molecular markers of endocrine-disrupting compounds, as the PAHs, present in the environment, as gene expression increases could be observed as early as after 24 h. These biomarkers can help researchers and conservationists rapidly identify the impacts of oil spills and improve mitigation before the detrimental effects of environmental stressors become irreversible.
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Affiliation(s)
- Letícia Aguilar
- Institute of Biology, Laboratory of Animal Physiology, Federal University of Bahia, Rua Barão de Jeremoabo 147, Salvador, Bahia, CEP 40.170-115, Brazil
| | - Maurílio Lara-Flores
- Institute of Ecology, Fisheries and Oceanography of the Gulf of Mexico, Laboratory of Ecotoxicology, Autonomous University of Campeche, Av. Héroe de Nacozari 480, C.P. 24029, San Francisco de Campeche, Campeche, Mexico
| | - Jaime Rendón-von Osten
- Institute of Ecology, Fisheries and Oceanography of the Gulf of Mexico, Laboratory of Ecotoxicology, Autonomous University of Campeche, Av. Héroe de Nacozari 480, C.P. 24029, San Francisco de Campeche, Campeche, Mexico
| | - Jorge A Kurczyn
- Institute of Engineering, Coastal Engineering and Processes Laboratory, National Autonomous University of Mexico, Puerto de Abrigo s/n, 97356, Sisal, Yucatán, Mexico
| | - Bruno Vilela
- Institute of Biology, Spatial Ecology Laboratory, Federal University of Bahia, Rua Barão de Jeremoabo 147, Salvador, Bahia, CEP 40.170-115, Brazil
| | - André Luis da Cruz
- Institute of Biology, Laboratory of Animal Physiology, Federal University of Bahia, Rua Barão de Jeremoabo 147, Salvador, Bahia, CEP 40.170-115, Brazil.
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Folle NMT, Azevedo-Linhares M, Garcia JRE, Esquivel L, Grotzner SR, Oliveira ECD, Filipak Neto F, Oliveira Ribeiro CAD. 2,4,6-Tribromophenol is toxic to Oreochromis niloticus (Linnaeus, 1758) after trophic and subchronic exposure. CHEMOSPHERE 2021; 268:128785. [PMID: 33168290 DOI: 10.1016/j.chemosphere.2020.128785] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/21/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
The presence of 2,4,6-Tribromophenol (TBP) in the environment increased the risk of exposure to aquatic organisms affecting the animal development or metabolism. The current study investigated the low, subchronic and trophic effect of TBP in both, male and female adult of Oreochromis niloticus. The fish were exposed to 0.5 or 50 ng g-1 of TBP every ten days for 70 days. Then, hepatosomatic (HSI) and gonadosomatic (GSI) indexes, erythrocyte parameters (hemoglobin content, nuclear morphology and morphometrical abnormalities), biochemical endpoints (glutathione S-Transferase and catalase activities, non-protein thiols, lipid peroxidation and protein carbonylation levels in the liver; and acetylcholinesterase activity in the brain and muscle), histopathological analysis (liver) and vitellogenin levels (plasma) were considered. TBP affected the HSI in male and female fish, but not the GSI. Principal Component Analysis revealed that erythrocytes from males are more sensitive to TBP exposure. Likewise, TBP induced the expression of vitellogenin, CAT activity and liver lesion in male fish comparatively with control group, but GST and NPT were influenced only by sex. Finally, the results showed that the antioxidant mechanism and cholinesterase activity effects were more pronounced in male than in female. The current data shows evidences of estrogenic endocrine disruption and toxicity in O. niloticus exposed to TBP, revealing the risk of exposure to biota.
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Affiliation(s)
- Nilce Mary Turcatti Folle
- Departamento de Biologia Celular, Universidade Federal Do Paraná, Caixa Postal 19031, CEP 81531-970, Curitiba-PR, Brazil
| | - Maristela Azevedo-Linhares
- Centro de Tecnologia Em Saúde e Meio Ambiente, Instituto de Tecnologia Do Paraná, CEP 81350-010, Curitiba, PR, Brazil
| | | | - Luíse Esquivel
- Estação de Piscicultura Panamá, Est. Geral Bom Retiro. Paulo Lopes - SC, CEP 88490-000, Brazil
| | - Sonia Regina Grotzner
- Departamento de Biologia Celular, Universidade Federal Do Paraná, Caixa Postal 19031, CEP 81531-970, Curitiba-PR, Brazil
| | - Elton Celton de Oliveira
- Universidade Tecnológica Federal Do Paraná. Campus Dois Vizinhos, CEP 82660-000, Dois Vizinhos, PR. Brazil
| | - Francisco Filipak Neto
- Departamento de Biologia Celular, Universidade Federal Do Paraná, Caixa Postal 19031, CEP 81531-970, Curitiba-PR, Brazil
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Gowri S, Thangaraj R. Studies on the toxic effects of agrochemical pesticide (Monocrotophos) on physiological and reproductive behavior of indigenous and exotic earthworm species. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2020; 30:212-225. [PMID: 30897939 DOI: 10.1080/09603123.2019.1590538] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 03/01/2019] [Indexed: 06/09/2023]
Abstract
Earthworms are an ideal biological model in toxicity assays and environmental monitoring studies. In the present study, the reproductive toxicity and histopathological effects of Monocrotophos pesticide on an exotic epigeic Eudrilus eugeniae and an indigenous epigeic Perionyx barotensis earthworm were studied. Earthworm species were exposed to different concentrations of pesticide like 450 ppm, 500 ppm, and 650 ppm for 45 days and the mortality rate and reproductive activity was recorded every 15 days of exposure. There was an increase in mortality and abnormal sperm (asthenospermia, necrospermia, and oligospermia) and defective cocoons in earthworms with increasing concentrations of the pesticide. Histopathological changes like rupture of chloragogenous tissue, longitudinal muscle, fused and extra-villous growth and necrotic cell rupture in earthworm's body wall (epidermis, circular and longitudinal muscles) were observed. Fluorescent probes have detected cell death in pesticide-treated earthworms when compared to the control group after 45 days. The present findings show that Monocrotophos pesticide on exposure to epigeic earthworm species causes significant reproductive toxicity and histopathological abnormalities and these changes could be used as a tool in environmental risk assessment of pesticides.Abbreviations: DDT: Dichlorodiphenyltrichloroethane; MCP: Monocrotophos; EPA: Environment Protection Act; SL: Soluble Liquid; C: N (Carbon: Nitrogen); C: P (Carbon: Phosphorus); LC: Lethal Concentration; PBS: Phosphate Buffer Solution; WHO: World Health Organization; H&E: Hematoxylin and Eosin; SV: seminal vesicles; O: ovary; GP: genital papillae; Ch: chloragogenous tissue; EL: epithelial layer; CM: circular muscle; LM: longitudinal muscle; CD: cell debris.
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Affiliation(s)
- Sekar Gowri
- Vermitechnology and Ecotoxicology Laboratory, Department of Zoology, School of Life Sciences, Periyar University, Salem, Tamil Nadu, India
| | - Ramasundaram Thangaraj
- Vermitechnology and Ecotoxicology Laboratory, Department of Zoology, School of Life Sciences, Periyar University, Salem, Tamil Nadu, India
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Ferreira MF, Lo Nostro F, Honji R, Ansaldo M, Genovese G. Endocrine and reproductive endpoints of Notothenia rossii and N. coriiceps: A baseline study for ecotoxicological monitoring in Antarctic waters. MARINE POLLUTION BULLETIN 2019; 145:418-428. [PMID: 31590805 DOI: 10.1016/j.marpolbul.2019.06.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 05/24/2019] [Accepted: 06/17/2019] [Indexed: 06/10/2023]
Abstract
Pollution threats Antarctica and scientists blame xenobiotics and anthropic activities. Yet little is known about their effect on Antarctic ichthyofauna. Accordingly, we investigated the endocrine system of male fish Notothenia rossii and N. coriiceps (Perciformes, Nototheniidae) collected during Austral summer. For N. rossii, hormone levels of estradiol, testosterone, and 11-ketotestosterone were higher in fish collected during March than those of January; whereas for N. coriiceps estradiol and androgens levels were higher and lower in March, respectively. Histological analysis of the testes showed an unrestricted lobular type with no pathological alterations. However, detection of vitellogenin-like in plasma and skin mucus were seen in 75% of N. coriiceps males and 7% of N. rossii males. This is the first report of mucus vitellogenin-like detection as a non-invasive biomarker of endocrine disruption in notothenioid males and settles a baseline for future studies of reproductive biology and endocrine disruption in Antarctic fishes.
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Affiliation(s)
- María Florencia Ferreira
- Universidad de Buenos Aires (UBA), Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental (DBBE), Laboratorio de Ecotoxicología Acuática, Buenos Aires, Argentina; CONICET-UBA, Instituto de Biodiversidad y Biología Experimental (IBBEA), Buenos Aires, Argentina
| | - Fabiana Lo Nostro
- Universidad de Buenos Aires (UBA), Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental (DBBE), Laboratorio de Ecotoxicología Acuática, Buenos Aires, Argentina; CONICET-UBA, Instituto de Biodiversidad y Biología Experimental (IBBEA), Buenos Aires, Argentina
| | - Renato Honji
- Centro de Biologia Marinha, Universidade de São Paulo, São Paulo, Brazil
| | - Martin Ansaldo
- Ministerio de Relaciones Exteriores y Culto, Dirección Nacional del Antártico, Instituto Antártico Argentino, Departamento de Ecofisiología y Ecotoxicología, Buenos Aires, Argentina
| | - Griselda Genovese
- Universidad de Buenos Aires (UBA), Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental (DBBE), Laboratorio de Ecotoxicología Acuática, Buenos Aires, Argentina; CONICET-UBA, Instituto de Biodiversidad y Biología Experimental (IBBEA), Buenos Aires, Argentina.
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8
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Prasatkaew W, Nanthanawat P, Khongchareonporn N, Kingtong S. A monoclonal antibody against Lates calcarifer vitellogenin and a competitive ELISA to evaluate vitellogenin induction after exposure to xenoestrogen. J Environ Sci (China) 2019; 75:325-333. [PMID: 30473298 DOI: 10.1016/j.jes.2018.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 04/28/2018] [Accepted: 05/02/2018] [Indexed: 06/09/2023]
Abstract
A monoclonal antibody specific to sea bass (Lates calcarifer) vitellogenin (VTG) was developed, for use as a tool for monitoring endocrine disrupting chemicals (EDCs). VTG was induced in sea bass by intramuscular injection of 17β-estradiol (E2: 2 mg/kg) every three days. Blood was collected three days after the last injection. Plasma VTG was then purified by chromatography in hydroxyapatite and a sephacryl-S300 column. Characterizations of purified VTG were done by phospholipoglycoprotein staining on a native-PAGE with confirmation by mass spectrometry (LC-MS/MS). Antibody was raised in mice by injection of purified VTG. After monoclonal antibody production, the hybridoma clone No. 41 (MAb-sea bass VTG 41) was selected and developed for quantification of VTG by competitive enzyme-linked immunosorbent assay (ELISA). The ELISA method was sensitive with a detection limit of VTG 40 ng/mL. MAb-sea bass VTG 41 was specific to VTG from E2-treated sea bass and others EDCs (Nonylphenol, Benzo[a]pyrene and CdCl2). Moreover, cross-reactivity was also found in E2-treated coral grouper (Epinephelus corallicola). The ELISA method obtained from this work can be further applied for the assessment of EDCs in Thailand and Southeast Asia's aquatic environment.
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Affiliation(s)
- Witchuda Prasatkaew
- Environmental Science program, Faculty of Science, Burapha University, Chon Buri 20131, Thailand.
| | - Phochit Nanthanawat
- Department of Biotechnology, Faculty of Science, Burapha University, Chon Buri 20131, Thailand.
| | - Nanthika Khongchareonporn
- The Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok 10400, Thailand
| | - Sutin Kingtong
- Department of Biology, Faculty of Science, Burapha University, Chon Buri 20131, Thailand
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Zheng M, Wang J, Zhang Z, Ma S, Ru S. Development of homologous enzyme-linked immunosorbent assays to quantify two forms of vitellogenin in guppy (Poecilia reticulata). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:25036-25044. [PMID: 29934832 DOI: 10.1007/s11356-018-2558-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Accepted: 06/13/2018] [Indexed: 06/08/2023]
Abstract
Guppy (Poecilia reticulata) is a promising model organism in toxicological studies, and vitellogenin (Vtg) is a commonly used biomarker for environmental estrogens. Although an ELISA for guppy Vtg has been developed previously, we found that guppy had two forms of Vtgs. In this study, two Vtgs were characterized and enzyme-linked immunosorbent assays (ELISAs) for each Vtg were developed. Two Vtgs purified from 17β-estradiol (E2)-exposed guppy were characterized as phospholipoglycoproteins with molecular weights of ~ 520 and ~ 480 kDa, respectively. In SDS-PAGE, one purified Vtg appeared as three major bands of ~ 210, ~ 126, and ~ 102 kDa, and the other revealed a clear band of ~ 68 kDa. Matrix-assisted laser desorption/ionization-time of flight/time of flight mass spectrometry analysis showed that they were VtgAb and VtgC. Using purified Vtgs and their corresponding antibodies, two sandwich ELISAs with working ranges of 7.8~1000 and 15.6~500 ng/mL were developed. Precision tests showed that intra- and inter-assay coefficients of variations of both ELISAs were below 10%. Parallelism between Vtg standard curves and serial dilutions of whole body homogenate from E2-exposed guppy confirmed that two ELISAs could quantify guppy Vtgs. Furthermore, two ELISAs were used to measure Vtg inductions in liver, caudal fin and whole body of male guppy exposed to 17a-ethinylestradiol to validate their use for detecting estrogenic effects of exogenous chemicals. These homologous Vtg ELISAs will promote the use of guppy as a model organism to study estrogenic chemicals.
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Affiliation(s)
- Mingyi Zheng
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong Province, China
| | - Jun Wang
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong Province, China.
| | - Zhenzhong Zhang
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong Province, China
| | - Shuwei Ma
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong Province, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong Province, China.
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Li Y, Wang J, Zheng M, Zhang Y, Ru S. Development of ELISAs for the detection of vitellogenin in three marine fish from coastal areas of China. MARINE POLLUTION BULLETIN 2018; 133:415-422. [PMID: 30041330 DOI: 10.1016/j.marpolbul.2018.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 06/01/2018] [Accepted: 06/01/2018] [Indexed: 06/08/2023]
Abstract
Estrogenic pollution has aroused great concern for its adverse effects on marine organisms. This study aimed to establish biomarker-based methods for detecting environmental estrogens using vitellogenin (Vtg) of teleost fishes inhabiting coastal areas of China. Firstly, Vtgs in marbled flounder (Pseudopleuronectes yokohamae), black rockfish (Sebastes schlegelii) and fat greenling (Hexagrammos otakii) were purified, characterized and used to prepare antibodies. Then, Vtg ELISA for each species was developed using purified Vtg and its antibody. Marbled flounder Vtg ELISA had a working range of 3.9-500 ng/mL and a detection limit of 2.1 ng/mL, and black rockfish Vtg ELISA had strong cross-reactivity with marbled flounder Vtg. Furthermore, Vtg induction in male marbled flounder exposed to pentadecafluorooctanoic acid (PFOA) was measured by developed ELISA. Plasma Vtg concentrations were significantly increased with PFOA concentrations in seawater and fish muscle. Therefore, Vtg ELISAs for these species might be useful tools for monitoring marine environmental estrogens.
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Affiliation(s)
- Yuejiao Li
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
| | - Mingyi Zheng
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Yabin Zhang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
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Yi X, Li C, Zhong X, Gong Y. Development of a lipovitellin-based sandwich ELISA for determination of vitellogenin in the marine medaka Oryzias melastigma. CHEMOSPHERE 2018; 197:477-484. [PMID: 29407809 DOI: 10.1016/j.chemosphere.2018.01.086] [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: 11/14/2017] [Revised: 01/15/2018] [Accepted: 01/16/2018] [Indexed: 06/07/2023]
Abstract
A lipovitellin (Lv) based sandwich enzyme-linked immunosorbent assay (ELISA) was developed to quantify vitellogenin (Vtg) in marine medaka (Oryzias melastigma). Lv and Vtg were purified from the unfertilized eggs and the whole body homogenates (WBH) of estradiol (E2)-exposed fish. The purified Lv sample appeared as three clear bands (118, 112 and 100 kDa) in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and was identified as an Lvs mixture from VtgAa and VtgAb by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) analysis. Polyclonal antibody against marine medaka VtgAa was also raised. Compared with Vtg, Lv was more stable to heat stress (37 °C for 8 h or 4 °C for a week) and repeated freeze/thaw stress. In addition, western blot analysis revealed that marine medaka Vtg and Lv had similar immunogenicity. Therefore, in this study, Lv was applied instead of Vtg as the standard to establish an ELISA. The Lv standard curve was parallel to serial WBH dilutions of E2-exposed fish, and the absorbance values were very low in control male samples, suggesting the specificity and feasibility of the method for Vtg quantification. The developed assay was sensitive with the detection limit of 3.1 ng/mL and had a working range between 15.6 and 500 ng/mL. The intra- and inter-assay coefficients of variation were both below 5%. Moreover, the standard curves of Lv antigen treated under different stresses were almost identical, indicating high robustness of the assay. Overall, our study provides an important methodology reference for quantification of marine medaka Vtg.
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Affiliation(s)
- Xianliang Yi
- Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Changlin Li
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361102, China
| | - Xi Zhong
- Aquatic Technology Promotion Station of Weihai City, Wendeng District, Weihai 264400, China
| | - Yufeng Gong
- Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Food and Environment, Dalian University of Technology, Panjin 124221, China.
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Vitellogenin induction in caudal fin of guppy (Poecilia reticulata) as a less invasive and sensitive biomarker for environmental estrogens. Sci Rep 2017; 7:7647. [PMID: 28794440 PMCID: PMC5550507 DOI: 10.1038/s41598-017-06670-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 06/15/2017] [Indexed: 01/03/2023] Open
Abstract
Guppy (Poecilia reticulata) is an ideal model for studying environmental estrogens, and its large caudal fin has a high capacity to regenerate. This study analyzed the feasibility of caudal fin for detecting vitellogenin (Vtg), the most commonly used biomarker of environmental estrogens. Firstly, a sandwich ELISA for guppy Vtg was developed using purified lipovitellin and its antibody and it had a working range of 7.8-1000 ng/mL and detection limit of 3.1 ng/mL. The ELISA was used to detect tissue distribution of Vtg. In male guppy exposed to 50 and 100 ng/L 17β-estradiol (E2), Vtg concentration in caudal fin was higher than that in whole fish, brain, eyes, gonad, and skin, and was close to that in the liver. Furthermore, male guppies were exposed to environmental concentrations of 17a-ethinylestradiol (EE2) and bisphenol S (BPS) to validate the utility of caudal fin Vtg for detecting estrogenic activities. The lowest observed effect concentration of EE2 and BPS were lower than 2 ng/L and 1 μg/L, which were below or equal to the values reported for other species, demonstrating that caudal fin Vtg was highly sensitive to estrogenic chemicals. Therefore, caudal fins of guppies are suggested as alternative samples for Vtg biomarker detection.
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Capsular Polysaccharide is a Main Component of Mycoplasma ovipneumoniae in the Pathogen-Induced Toll-Like Receptor-Mediated Inflammatory Responses in Sheep Airway Epithelial Cells. Mediators Inflamm 2017; 2017:9891673. [PMID: 28553017 PMCID: PMC5434471 DOI: 10.1155/2017/9891673] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 03/27/2017] [Indexed: 12/12/2022] Open
Abstract
Mycoplasma ovipneumoniae (M. ovipneumoniae) is characterized as an etiological agent of primary atypical pneumonia that specifically infects sheep and goat. In an attempt to better understand the pathogen-host interaction between the invading M. ovipneumoniae and airway epithelial cells, we investigated the host inflammatory responses against capsular polysaccharide (designated as CPS) of M. ovipneumoniae using sheep bronchial epithelial cells cultured in an air-liquid interface (ALI) model. Results showed that CPS derived from M. ovipneumoniae could activate toll-like receptor- (TLR-) mediated inflammatory responses, along with an elevated expression of nuclear factor kappa B (NF-κB), activator protein-1 (AP-1), and interferon regulatory factor 3 (IRF3) as well as various inflammatory-associated mediators, representatively including proinflammatory cytokines, such as IL1β, TNFα, and IL8, and anti-inflammatory cytokines such as IL10 and TGFβ of TLR signaling cascade. Mechanistically, the CPS-induced inflammation was TLR initiated and was mediated by activations of both MyD88-dependent and MyD88-independent signaling pathways. Of importance, a blockage of CPS with specific antibody led a significant reduction of M. ovipneumoniae-induced inflammatory responses in sheep bronchial epithelial cells. These results suggested that CPS is a key virulent component of M. ovipneumoniae, which may play a crucial role in the inflammatory response induced by M. ovipneumoniae infections.
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Wang J, Zhao F, Shan R, Tian H, Wang W, Ru S. Juvenile zebrafish in the vitellogenin blank period as an alternative test organism for evaluation of estrogenic activity of chemicals. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2016; 35:1783-1787. [PMID: 26643213 DOI: 10.1002/etc.3328] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 10/03/2015] [Accepted: 12/07/2015] [Indexed: 06/05/2023]
Abstract
The present study aimed to determine the suitable development period for zebrafish to evaluate estrogenic activities accurately. An enzyme-linked immunosorbent assay was developed and used to detect the vitellogenin (Vtg)-derived yolk proteins and newly produced Vtg, and 9 d to 56 d posthatching was determined as the Vtg-blank period. Juveniles in this period were found to have lower baseline Vtg levels than adult males and were considered an alternative test organism for detecting environmental estrogens. Environ Toxicol Chem 2016;35:1783-1787. © 2015 SETAC.
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Affiliation(s)
- Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao, China
| | - Fei Zhao
- Marine Life Science College, Ocean University of China, Qingdao, China
| | - Ruihou Shan
- Marine Life Science College, Ocean University of China, Qingdao, China
| | - Hua Tian
- Marine Life Science College, Ocean University of China, Qingdao, China
| | - Wei Wang
- Marine Life Science College, Ocean University of China, Qingdao, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao, China
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15
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Wang J, Zhang X, Shan R, Ma S, Tian H, Wang W, Ru S. Lipovitellin as an antigen to improve the precision of sandwich ELISA for quantifying zebrafish (Danio rerio) vitellogenin. Comp Biochem Physiol C Toxicol Pharmacol 2016; 185-186:87-93. [PMID: 26980114 DOI: 10.1016/j.cbpc.2016.03.007] [Citation(s) in RCA: 4] [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: 01/02/2016] [Revised: 02/24/2016] [Accepted: 03/10/2016] [Indexed: 11/21/2022]
Abstract
Vitellogenin (Vtg) in zebrafish (Danio rerio) is a core biomarker for screening environmental estrogens in test guidelines of the Organization for Economic Cooperation and Development. To accurately quantify zebrafish Vtg, lipovitellin (Lv), the main Vtg-derived yolk protein, was used as the antigen to establish a sandwich enzyme-linked immunosorbent assay (ELISA). The purified Lv was a phospholipoglycoprotein with apparent molecular weight of ~445kDa, and separated into three polypeptides corresponding to ~117, ~102, and ~23.8kDa by sodium dodecyl sulfate polyacrylamide gel electrophoresis. Immunological analysis confirmed the specificity of the anti-Lv antibody for Vtg and the immunological similarity between Vtg and Lv. Using the purified Lv and anti-Lv antibody, a sandwich ELISA with a detection limit of 4.3ng/mL and a detection range from 7.8 to 250ng/mL was developed. The intra- and inter-assay coefficients of variation were both below 10%. Moreover, the Lv standard curve was nearly identical to the Vtg standard curve, and paralleled serial whole-body homogenate dilutions of male zebrafish exposed to 17β-estradiol, demonstrating that the Lv-based ELISA could be used for quantification of zebrafish Vtg. Zebrafish Lv showed high stability during purification process, heat treatment, -80°C storage, and repeated freeze/thaw cycles. Additionally, the standard curve of Lv stored at -80°C for 3months exhibited higher robustness than that of Vtg stored under the same conditions. Finally, the usefulness of the ELISA for detecting estrogenic activity was verified by quantifying Vtg inductions in zebrafish exposed to monocrotophos.
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Affiliation(s)
- Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Xiaona Zhang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Ruihou Shan
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Shuwei Ma
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Hua Tian
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Wei Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
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16
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Wang J, Shan R, Zhang X, Tian H, Wang W, Ru S. Development of a lipovitellin-based sandwich ELISA for quantification of vitellogenin in surface mucus and plasma of goldfish (Carassius auratus). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 120:80-87. [PMID: 26036419 DOI: 10.1016/j.ecoenv.2015.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 04/03/2015] [Accepted: 05/10/2015] [Indexed: 06/04/2023]
Abstract
Goldfish (Carassius auratus) vitellogenin (Vtg) is an efficient biomarker for estrogen contamination in aquatic environments. In this study, Vtg and lipovitellin (Lv) were purified from the plasma of 17β-estradiol (E2)-induced male goldfish and unfertilized eggs of females, and were used to generate polyclonal antibodies against Vtg (anti-Vtg) and Lv (anti-Lv), respectively. SDS-PAGE and Western blot were performed to confirm the specificity of the two antibodies and the immunological similarity between Vtg and Lv. As anti-Lv recognized more antigen epitopes than anti-Vtg, it was used to develop a sandwich enzyme-linked immunosorbent assay (ELISA) for goldfish Vtg with purified Lv as the standard. The detection limit of the assay was 1.82ng/mL, and the working range was 3.9-250ng/mL. The use of Lv instead of Vtg as the standard provided greater precision and strengthened the robustness of the sandwich ELISA. Western blot and the Lv-based ELISA were used to detect Vtg inductions in surface mucus and plasma of E2-induced goldfish. The surface mucus Vtg level in E2-induced males was significantly higher than that in the control males and E2-induced females, and was much closer to the plasma Vtg level in E2-induced males than that in E2-induced females. Therefore, the surface mucus Vtg level of male goldfish may be a reliable indicator of estrogenic activity in the aquatic environment.
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Affiliation(s)
- Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Ruihou Shan
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Xiaona Zhang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Hua Tian
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Wei Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
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Wang J, Wang W, Zhang X, Tian H, Ru S. Development of a lipovitellin-based goldfish (Carassius auratus) vitellogenin ELISA for detection of environmental estrogens. CHEMOSPHERE 2015; 132:166-171. [PMID: 25855009 DOI: 10.1016/j.chemosphere.2015.03.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 02/20/2015] [Accepted: 03/17/2015] [Indexed: 06/04/2023]
Abstract
The susceptibility of vitellogenin (Vtg) to degradation is a major problem affecting the robustness of enzyme-linked immunosorbent assay (ELISA) for goldfish (Carassius auratus) Vtg. In this study, a phospholipoglycoprotein with molecular mass of ∼420kDa was purified from goldfish egg extracts and it produced a single band corresponding to ∼112kDa in SDS-polyacrylamide gel electrophoresis (SDS-PAGE). Additionally, the amino acid composition of the purified protein was comparable to that of lipovitellin (Lv) from other fish species. Thus, the purified protein was identified as goldfish Lv. Purified Lv and anti-Lv polyclonal antiserum were used to develop an ELISA with a detection range between 31.25 and 1000ngmL(-)(1). The intra- and inter-assay coefficients of variation were 6.45% and 7.08%, respectively. The immunological similarity between goldfish Vtg and Lv was confirmed by immunoelectrophoresis and Western blot. Goldfish Lv showed higher stability than Vtg after -80°C storage, multiple freeze/thaw cycles, and heat treatment. Moreover, the use of treated Lv in the ELISA did not change the slopes of standard curves. Parallelism between the Lv standard curve and plasma dilution curves of vitellogenic females confirmed the validity of the assay for quantifying plasma Vtg. The Lv-based Vtg ELISA was further applied to evaluate the estrogenic activity of monocrotophos pesticide.
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Affiliation(s)
- Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Wei Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Xiaona Zhang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Hua Tian
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
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