1
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Xie S, Feng Y, Zhou A, Lu Z, JixingZou. Comparative analysis of two new zebrafish models: The cyp1a low-expression line and cyp1a knockout line under PAHs exposure. Gene 2023; 869:147391. [PMID: 36966979 DOI: 10.1016/j.gene.2023.147391] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/17/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023]
Abstract
Cytochrome P450 1 (CYP1) is an important enzyme family involved in the metabolism of pollutants, and used as a biomarker to monitor environmental pollution. In this study, a fluorescence-labeled cyp1a zebrafish line, named as KI (cyp1a+/+-T2A-mCherry) (KICM), was originally constructed to monitor dioxin-like compounds in the environment. However, the cyp1a gene expression in the KICM line was inhibited by the fluorescence labeling, thus leading to a significantly increased sensitivity of KICM zebrafish line to PAHs. Then, a cyp1a knockout zebrafish line, named KOC, were constructed for comparative analysis with the cyp1a low-expression line. Interestingly, knockout of the cyp1a gene did not increase the sensitivity of zebrafish to PAHs as significantly as the cyp1a low-expression line. So, the expression levels of related genes in the aryl hydrocarbon receptor pathway were analyzed and the results showed that the expression level of cyp1b in KOC group was significantly higher than that of wild type and KICM under the same PAH exposure. This indicated that the effect of losing cyp1a was compensated by inducing expression of cyp1b. In conclusion, two new zebrafish models including cyp1a low-expression line and cyp1a knockout line were constructed in this study, which may provide a convenient model for subsequent studies on the toxicity mechanism of PAHs and the role of cyp1a in detoxification.
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2
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Wang QY, Zhang L, Han XY, Wang DM, Ding ML, Cheng D, He QL, Liu SZ. 2,3',4,4',5-Pentachlorobiphenyl induces mitochondria-dependent apoptosis mediated by AhR/Cyp1a1 in mouse germ cells. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130547. [PMID: 37055962 DOI: 10.1016/j.jhazmat.2022.130547] [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: 09/15/2022] [Revised: 11/19/2022] [Accepted: 12/03/2022] [Indexed: 06/19/2023]
Abstract
Polychlorinated biphenyls (PCBs) are environmental organic pollutants widely used in industry that can bioaccumulate and affect the reproductive systems of male animals of different species. 2,3',4,4',5-Pentachlorobiphenyl (PCB118) is a representative of the 209 toxic PCB congeners. In this study, male mice were exposed to PCB118 at 0, 50, and 500 μg/kg/day for 35 days beginning 3-4 weeks after birth. The results of the study showed that PCB118 exposure during puberty reduced testicular quality, caused tissue damage, decreased sperm motility and sperm count, and increased malformation and testicular cell apoptosis in mice. Moreover, PCB118 increased the oxidative stress levels in sperm and testicular tissue and the expression of aryl hydrocarbon receptor (AhR) and Cyp1a1 and siginificantly decreased the level of nuclear factor-erythroid 2-related factor 2 (Nrf2). The results indicate that PCB118 can activate the AhR/Cyp1a1 pathway and inhibit Nrf2 expression to aggravate testicular oxidative stress and induce cell apoptosis, resulting in testicular and sperm quality damage.
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Affiliation(s)
- Qiu-Yue Wang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Dongying Institute, Shandong Normal University, Dongying 257000, China
| | - Lin Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Dongying Institute, Shandong Normal University, Dongying 257000, China
| | - Xiao-Ying Han
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Dongying Institute, Shandong Normal University, Dongying 257000, China
| | - Dong-Mei Wang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Dongying Institute, Shandong Normal University, Dongying 257000, China
| | - Ming-Long Ding
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Dongying Institute, Shandong Normal University, Dongying 257000, China
| | - Dong Cheng
- Department of Toxicology, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Qi-Long He
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China; National Clinical Research Center for Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China.
| | - Shu-Zhen Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, China; Dongying Institute, Shandong Normal University, Dongying 257000, China.
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3
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Laufer BI, Neier K, Valenzuela AE, Yasui DH, Schmidt RJ, Lein PJ, LaSalle JM. Placenta and fetal brain share a neurodevelopmental disorder DNA methylation profile in a mouse model of prenatal PCB exposure. Cell Rep 2022; 38:110442. [PMID: 35235788 PMCID: PMC8941983 DOI: 10.1016/j.celrep.2022.110442] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/19/2021] [Accepted: 02/03/2022] [Indexed: 12/27/2022] Open
Abstract
Polychlorinated biphenyls (PCBs) are developmental neurotoxicants implicated as environmental risk factors for neurodevelopmental disorders (NDDs). Here, we report the effects of prenatal exposure to a human-relevant mixture of PCBs on the DNA methylation profiles of mouse placenta and fetal brain. Thousands of differentially methylated regions (DMRs) distinguish placenta and fetal brain from PCB-exposed mice from sex-matched vehicle controls. In both placenta and fetal brain, PCB-associated DMRs are enriched for functions related to neurodevelopment and cellular signaling and enriched within regions of bivalent chromatin. The placenta and brain PCB DMRs overlap significantly and map to a shared subset of genes enriched for Wnt signaling, Slit/Robo signaling, and genes differentially expressed in NDD models. The consensus PCB DMRs also significantly overlap with DMRs from human NDD brain and placenta. These results demonstrate that PCB-exposed placenta contains a subset of DMRs that overlap fetal brain DMRs relevant to an NDD.
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Affiliation(s)
- Benjamin I Laufer
- Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, Davis, CA 95616, USA; UC Davis Genome Center, University of California, Davis, Davis, CA 95616, USA; MIND Institute, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA
| | - Kari Neier
- Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, Davis, CA 95616, USA; UC Davis Genome Center, University of California, Davis, Davis, CA 95616, USA; MIND Institute, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA; Perinatal Origins of Disparities Center, University of California, Davis, Davis, CA 95616, USA
| | - Anthony E Valenzuela
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA 95616, USA
| | - Dag H Yasui
- Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, Davis, CA 95616, USA; UC Davis Genome Center, University of California, Davis, Davis, CA 95616, USA; MIND Institute, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA
| | - Rebecca J Schmidt
- MIND Institute, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA; Perinatal Origins of Disparities Center, University of California, Davis, Davis, CA 95616, USA; Department of Public Health Sciences, School of Medicine, University of California, Davis, Davis, CA 95616, USA
| | - Pamela J Lein
- MIND Institute, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA; Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA 95616, USA
| | - Janine M LaSalle
- Department of Medical Microbiology and Immunology, School of Medicine, University of California, Davis, Davis, CA 95616, USA; UC Davis Genome Center, University of California, Davis, Davis, CA 95616, USA; MIND Institute, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA; Perinatal Origins of Disparities Center, University of California, Davis, Davis, CA 95616, USA.
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4
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Wang Y, Hu C, Fang T, Jin Y, Wu R. Perspective on prenatal polychlorinated biphenyl exposure and the development of the progeny nervous system (Review). Int J Mol Med 2021; 48:150. [PMID: 34132363 PMCID: PMC8219518 DOI: 10.3892/ijmm.2021.4983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/26/2021] [Indexed: 02/05/2023] Open
Abstract
The developmental origins of health and disease concept illustrates that exposure in early life to various factors may affect the offspring's long-term susceptibility to disease. During development, the nervous system is sensitive and vulnerable to the environmental insults. Polychlorinated biphenyls (PCBs), which are divided into dioxin-like (DL-PCBs) and non-dioxin-like PCBs (NDL-PCBs), are synthetic persistent environmental endocrine-disrupting chemicals. The toxicological mechanisms of DL-PCBs have been associated with the activation of the aryl hydrocarbon receptor and NDL-PCBs have been associated with ryanodine receptor-mediated calcium ion channels, which affect neuronal migration, promote dendritic growth and alter neuronal connectivity. In addition, PCB accumulation in the placenta destroys the fetal placental unit and affects endocrine function, particularly thyroid hormones and the dopaminergic system, leading to neuroendocrine disorders. However, epidemiological investigations have not achieved a consistent result in different study cohorts. The present review summarizes the epidemiological differences and possible mechanisms of the effects of intrauterine PCB exposure on neurological development.
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Affiliation(s)
- Yinfeng Wang
- Department of Gynecology and Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Changchang Hu
- Department of Gynecology and Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Tao Fang
- Department of Gynecology and Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Yang Jin
- Department of Gynecology and Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Ruijin Wu
- Department of Gynecology and Obstetrics, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
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5
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Zhu K, Shen C, Tang C, Zhou Y, He C, Zuo Z. Improvement in the screening performance of potential aryl hydrocarbon receptor ligands by using supervised machine learning. CHEMOSPHERE 2021; 265:129099. [PMID: 33272675 DOI: 10.1016/j.chemosphere.2020.129099] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 11/17/2020] [Accepted: 11/22/2020] [Indexed: 06/12/2023]
Abstract
The aryl hydrocarbon receptor (AhR), which is a ligand-dependent transcription factor, plays a crucial role in the regulation of xenobiotic metabolism. There are a large number of artificial or natural molecules in the environment that can activate AhR. In this study, we developed a virtual screening procedure to identify potential ligands of AhR. One structure-based method and two ligand-based methods were used for the virtual screening procedure. The results showed that the precision rate (0.96) and recall rate (0.64) of our procedure were significantly higher than those of a procedure used in a previous study, which suggests that supervised machine learning techniques can greatly improve the performance of virtual screening. Moreover, a pesticide dataset including 777 frequently used pesticides was screened. Seventy-seven pesticides were identified as potential AhR ligands by all three screening methods, among which 12 have never been previously reported as AhR agonists. Two non-agonist AhR ligands and 14 of the 77 pesticides were randomly selected for testing by in vitro and in vivo assays. All 14 pesticides showed different degrees of AhR agonistic activity, and none of the two non-agonist AhR ligand pesticides showed AhR agonistic activity, which suggests that our procedure had good robustness. Four of the pesticides were reported as AhR agonists for the first time, suggesting that these pesticides may need further toxicity assessment. In general, our procedure is a rapid, powerful and computationally inexpensive tool for predicting chemicals with AhR agonistic activity, which could be useful for environmental risk prediction and management.
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Affiliation(s)
- Kongyang Zhu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361005, China
| | - Chao Shen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361005, China
| | - Chen Tang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361005, China
| | - Yixi Zhou
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361005, China
| | - Chengyong He
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361005, China.
| | - Zhenghong Zuo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361005, China; State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, Fujian, 361005, China.
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6
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Kim M, Kim SH, Kim HJ, Whang DH, Yun SC, Lee SR, Chae HD, Kang BM. Plasma levels of polychlorinated biphenyl, genetic polymorphisms, and the risk of advanced stage endometriosis. Gynecol Endocrinol 2020; 36:636-640. [PMID: 32295439 DOI: 10.1080/09513590.2020.1753183] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Both environmental and genetic factors interact and play a critical role in the pathogenesis of endometriosis. We analyzed the plasma levels of 12 polychlorinated biphenyl (PCB) congeners with genetic polymorphisms of glutathione-S-transferase M1 (GSTM1), glutathione-S-transferase T1 (GSTT1), and aryl hydrocarbon receptor repressor (AhRR) codon 185. Total sum of the 12 congeners was significantly higher in the controls compared with endometriosis group. Women without C/C genotype in AhRR codon 185 had a significantly increased risk of endometriosis compared with those with C/C genotype. Total sum of the 12 congeners was significantly higher in women without C/C genotype compared with those with C/C genotype. Adjusting for age and AhRR codon 185 genotype, there was no significant association between exposure to PCBs and the risk of endometriosis. These findings suggest a possible presence of gene-environment interaction, however, we could not see any clear association between exposure to PCBs and the risk of endometriosis.
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Affiliation(s)
- Miran Kim
- Department of Obstetrics and Gynecology, Ajou University School of Medicine, Suwon, South Korea
| | - Sung Hoon Kim
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hyun Jin Kim
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Dong Hee Whang
- Departments of Laboratory Medicine, Seoul Paik Hospital, Inje University College of Medicine, Seoul, South Korea
| | - Sung-Cheol Yun
- Division of Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sa Ra Lee
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hee Dong Chae
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Byung Moon Kang
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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7
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Sánchez-Ocampo EM, Azuela GE, Shibayama Salas M, Galar-Martínez M, Gómez-Oliván LM. Alterations in viability and CYP1A1 expression in SH SY5Y cell line by pollutants present in Madín Dam, Mexico. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 719:137500. [PMID: 32120108 DOI: 10.1016/j.scitotenv.2020.137500] [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: 01/20/2020] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 06/10/2023]
Abstract
Currently one of the problems facing global development is the availability of water. Although water is abundant the planet only a small portion is for human use and consumption. The problem is exacerbated due to different factors, mainly: meteorological phenomena, the presence of contaminants in the water and the increase in the number of inhabitants. Potential effects of pollutants not only can affect freshwater biota but also can be implicated in cancer development and neurodegenerative diseases in humans. The study was conducted in the Madín Dam, a reservoir of economic importance for the geographical area in which it is located, as well as catering to the population of nearby areas, and is a place where recreational activities such as fishing and kayaking are carried out. The aim of this study was to identify the toxic effects that the pollutants present in the water of the Madín Dam can generate on a human cell line (SH SY5Y) evaluating the cell viability and the participation of the Aril Hydrocarbon Receptor (AhR) and Pregnane X receptor (PXR) through of the expression of the CYP1A1 and CYP3A4 (canonical genes). In one of the five sites analyzed, cell viability was up to 50%, in this site a decrease in the normal expression of CYP1A1 was observed (p < 0.05) and the CYP3A4 gene was not expressed in the cells SH SY5Y. These results show that the SH SY5Y cell line is a good biomarker for assessing the human toxicity of environmental pollutants and relating it to neurodegenerative diseases.
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Affiliation(s)
- Esmeralda Michelle Sánchez-Ocampo
- 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
| | | | - Mineko Shibayama Salas
- Departamento de Infectómica y Patogénesis Molecular, CINVESTAV-IPN, Av. IPN 2508, C.P. 07360 CDMX, 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
| | - 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.
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8
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Licata P, Piccione G, Fazio F, Lauriano ER, Calò M. Protective effects of genistein on cytochrome P-450 and vitellogenin expression in liver of zebrafish after PCB-126 exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 674:71-76. [PMID: 31004905 DOI: 10.1016/j.scitotenv.2019.03.467] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/25/2019] [Accepted: 03/30/2019] [Indexed: 06/09/2023]
Abstract
The objective of the research is to study the action of Vitellogenin and P-4501A1 following coexposure at different times to genistein and PCB-126 using zebrafish as a model system. Polychlorinated biphenyls are ubiquitous substances in environment. The genistein is a phytoestrogen extracted from soybeans and it's contained in food for humans and animals. For this study, 200 adult zebrafish were used. Our findings show a marked immunoreactivity of Vtg at 12h in liver than the control with only PCB-126. Regarding effects of PCB-126 on Vtg after pretreatment with genistein in fishes, the immunohistochemistry results show a minor increase at 12h. After 24h the immunoreactivity is lower than 12h and then slightly increased at 72h with only PCB-126 and PCB-126 and genistein together. CYP1A1 progressively increases from 12h to 72h in all groups with minor immunoreactivity when we treated fish with genistein and PCB-126. We show a reduction in the estrogenic effect when the fishes were treated with genistein and PCB-126 together at 12h than the group treated with only PCB-126. Moreover, low concentrations of genistein decrease the marked P450 expression induced by PCB-126. This shows that genistein decreases the expression of P450 target genes mediated by AhR.
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Affiliation(s)
- Patrizia Licata
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy.
| | - Giuseppe Piccione
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
| | - Francesco Fazio
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
| | - Eugenia Rita Lauriano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Via F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Margherita Calò
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
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Mohammad‐Hasani A, Hosseinzadeh Colagar A, Fallah A. Association of the human aryl hydrocarbon receptor repressor (
AhRR
)‐c.565C>G transversion with male infertility: A case‐control study from Iran. J Cell Biochem 2018; 120:8999-9005. [DOI: 10.1002/jcb.28171] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Accepted: 11/08/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Azadeh Mohammad‐Hasani
- Department of Molecular and Cell Biology Faculty of Basic Sciences, University of Mazandaran Babolsar Iran
| | | | - Ali Fallah
- Department of Molecular and Cell Biology Faculty of Basic Sciences, University of Mazandaran Babolsar Iran
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De Anna JS, Leggieri LR, Arias Darraz L, Cárcamo JG, Venturino A, Luquet CM. Effects of sequential exposure to water accommodated fraction of crude oil and chlorpyrifos on molecular and biochemical biomarkers in rainbow trout. Comp Biochem Physiol C Toxicol Pharmacol 2018; 212:47-55. [PMID: 30012402 DOI: 10.1016/j.cbpc.2018.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/03/2018] [Accepted: 07/05/2018] [Indexed: 01/09/2023]
Abstract
Fish can be simultaneously or sequentially exposed to various kinds of pollutants, resulting in combined effects. Polycyclic aromatic hydrocarbons induce cytochrome P450 monooxygenase 1A (CYP1A) expression, which catalyzes the conversion of the organophosphorus insecticide chlorpyrifos (CPF) into its most active derivative, CPF-oxon. CPF-oxon inhibits CYP1A and other enzymes, including carboxylesterases (CEs) and acetylcholinesterase (AChE). We studied the effects of an in vivo exposure to crude oil water accommodated fraction (WAF) followed by an ex vivo exposure of liver tissue to CPF on the expression of Cyp1a, AhR and ARNT mRNA, CYP1A protein and on the activity of biomarker enzymes in the rainbow trout (Oncorhynchus mykiss). Juvenile rainbow trout were exposed to WAF (62 μg L-1 TPH) for 48 h. Then, liver was dissected out, sliced and exposed to 20 μg L-1 CPF ex vivo for 1 h. Liver tissue was analyzed for mRNA and protein expression and for CEs, AChE, glutathione S-transferase (GST) and CYP1A (EROD) activity. WAF induced Cyp1a mRNA and CYP1A protein expression by 10-fold and 2.5-8.3-fold, respectively, with no effect of CPF. WAF induced AhR expression significantly (4-fold) in control but not in CPF treated liver tissue. ARNT mRNA expression was significantly lowered (5-fold) by WAF. CPF significantly reduced liver EROD activity, independently of WAF pre-treatment. CEs activity was significantly inhibited in an additive manner following in vivo exposure to WAF (42%) and ex vivo exposure to CPF (19%). CPF exposure inhibited AChE activity (37%) and increased GST activity (42%).
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Affiliation(s)
- Julieta S De Anna
- Laboratorio de Ecotoxicología Acuática, INIBIOMA- CONICET- CEAN, Ruta provincial 61, km 3, 8371 Junín de los Andes, Neuquén, Argentina.
| | - Leonardo R Leggieri
- Laboratorio de Ecotoxicología Acuática, INIBIOMA- CONICET- CEAN, Ruta provincial 61, km 3, 8371 Junín de los Andes, Neuquén, Argentina
| | - Luis Arias Darraz
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Campus Isla Teja, Valdivia, Chile
| | - Juan G Cárcamo
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Campus Isla Teja, Valdivia, Chile; Centro FONDAP, Interdisciplinary Center for Aquaculture Research (INCAR), Chile
| | - Andrés Venturino
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue, CITAAC, UNCo-CONICET, Instituto de Biotecnología Agropecuaria del Comahue, Facultad de Ciencias Agrarias, Universidad Nacional del Comahue, Ruta 151, km 12, 8303 Cinco Saltos, Río Negro, Argentina
| | - Carlos M Luquet
- Laboratorio de Ecotoxicología Acuática, INIBIOMA- CONICET- CEAN, Ruta provincial 61, km 3, 8371 Junín de los Andes, Neuquén, Argentina.
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11
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Calò M, Licata P, Bitto A, Lo Cascio P, Giarratana F, Altavilla D. Effects of PCB-126 on aryl hydrocarbon receptor, ubiquitin and p53 expression levels in Sparus aurata. EXPERIMENTAL AND TOXICOLOGIC PATHOLOGY : OFFICIAL JOURNAL OF THE GESELLSCHAFT FUR TOXIKOLOGISCHE PATHOLOGIE 2017:S0940-2993(16)30221-4. [PMID: 28552628 DOI: 10.1016/j.etp.2017.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 04/06/2017] [Indexed: 06/07/2023]
Abstract
The aim of the present study is to determine if Ahr ligands as PCB-126, a dioxin-like, might contribute to inhibition of the tumor suppressor p53 by promoting its degradation through proteasome-ubiquitin system (UPS). The findings show, in the presence of PCB-126, a significant increase of p53 immunoreactivity in fish compared to the control. Subsequently, there is a decrease of p53 immunoreactivity at 24h which is maintained even at 72h. At the same time there is a slight decrease of ubiquitin immunoreactivity to 12h compared to the control and a marked decrease to 24 and 72h. The induction of ubiquitin expression is resulted very marked in the control and preserved at 12h. It's very important to underline as in our study we demonstrate a marked decrease of ubiquitin and p53 immunoreactivity at 24h and 72h. AHR activation, by ligands as PCB-126, increases p53 ubiquitation inhibiting its expression, in addition it decreases the free ubiquitin promoting disruption of Ub homeostasis; this is the first report that establishes a relationship between AhR, increases p53 ubiquitation, and reduction of free ubiquitin. Our result emphasize the need to deeply the role of this receptor in UPS regulation as potential therapeutic target for cancer treatment.
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Affiliation(s)
- M Calò
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy.
| | - P Licata
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
| | - A Bitto
- Department of Clinical and Experimental Medicine, University of Messina, Torre Biologica, 5th Floor, AOU Policlinico "G. Martino", Via C. Valeria Gazzi, 98125, Messina, Italy
| | - P Lo Cascio
- Department of Biological and Environmental Sciences, University of Messina, Salita Sperone 31, S. Agata, Messina, 98166, Italy
| | - F Giarratana
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
| | - D Altavilla
- Department of Clinical and Experimental Medicine, University of Messina, Torre Biologica, 5th Floor, AOU Policlinico "G. Martino", Via C. Valeria Gazzi, 98125, Messina, Italy
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Calò M, Bitto A, Lo Cascio P, Giarratana F, Altavilla D, Gervasi T, Campone L, Cicero N, Licata P. PCB-126 effects on aryl hydrocarbon receptor, ubiquitin and p53 expression levels in a fish product (Sparus aurata L.). Nat Prod Res 2017; 32:1136-1144. [DOI: 10.1080/14786419.2017.1320794] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Margherita Calò
- Department of Veterinary Science, University of Messina, Messina, Italy
| | - Alessandra Bitto
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Patrizia Lo Cascio
- Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina, Messina, Italy
| | | | - Domenica Altavilla
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Teresa Gervasi
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Luca Campone
- Department of Pharmacy, University of Salerno, Fisciano SA, Italy
| | - Nicola Cicero
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
- Science4Life, Spin Off Company, University of Messina, Messina, Italy
| | - Patrizia Licata
- Department of Veterinary Science, University of Messina, Messina, Italy
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13
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Zena R, Speciale A, Calabrò C, Calò M, Palombieri D, Saija A, Cimino F, Trombetta D, Lo Cascio P. Exposure of sea bream (Sparus aurata) to toxic concentrations of benzo[a]pyrene: possible human health effect. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 122:116-125. [PMID: 26232038 DOI: 10.1016/j.ecoenv.2015.07.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 06/30/2015] [Accepted: 07/01/2015] [Indexed: 06/04/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) can accumulate in the food chain, due to their lipophilic properties. Fish can accumulate contaminants including PAHs and frequent consumption of such contaminated fish can pose risk to human health. The aim of this study was to clarify if acute exposure of sea bream (Sparus aurata, a fish species of great economic importance in the Atlantic and Mediterranean areas) to a PAH, benzo[a]pyrene (B[a]P), at a dose that can induce CYP1A and pathological changes in fish gills, liver and muscle, can induce accumulation in muscle. We investigated the cytotoxic effects (as changes in cell viability, DNA laddering and glutathione content) of in vitro exposure of human peripheral blood mononuclear cells (PBMCs) to organic extracts obtained from muscle of sea breams previously exposed via water to B[a]P (2mg/l, for 12, 24 and 72 h). At this level of exposure, B[a]P caused morphological changes, inflammatory response and CYP1A induction not only in sea bream gills and liver but also in muscle; furthermore, in fish muscle we observed a substantial B[a]P accumulation, which may be associated with the increased CYP1A activity in liver and especially in muscle. However, when PBMCs were exposed to organic extracts obtained from sea bream muscle contaminated with B[a]P, a toxic, although modest effect was revealed, consisting in a significant decrease in cell glutathione levels without alterations in cell viability and DNA laddering. This suggests that consumption of sea breams from B[a]P contaminated waters might represent a risk for human health.
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Affiliation(s)
- R Zena
- Department of Drug Sciences and Health Products, University of Messina, V.le SS. Annunziata, 98168 Messina, Italy
| | - A Speciale
- Department of Drug Sciences and Health Products, University of Messina, V.le SS. Annunziata, 98168 Messina, Italy
| | - C Calabrò
- Department of Biological and Environmental Sciences, University of Messina, Salita Sperone 31, S. Agata, Messina, 98166, Italy
| | - M Calò
- Department of Veterinary Science, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
| | - D Palombieri
- Department of Biological and Environmental Sciences, University of Messina, Salita Sperone 31, S. Agata, Messina, 98166, Italy
| | - A Saija
- Department of Drug Sciences and Health Products, University of Messina, V.le SS. Annunziata, 98168 Messina, Italy
| | - F Cimino
- Department of Drug Sciences and Health Products, University of Messina, V.le SS. Annunziata, 98168 Messina, Italy
| | - D Trombetta
- Department of Drug Sciences and Health Products, University of Messina, V.le SS. Annunziata, 98168 Messina, Italy.
| | - P Lo Cascio
- Department of Biological and Environmental Sciences, University of Messina, Salita Sperone 31, S. Agata, Messina, 98166, Italy
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