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Wang Y, Zhao H, Yang J, Cao Z, Hao L, Gu Z. Exposure of nonylphenol promoted NLRP3 inflammasome and GSDMD-mediated pyroptosis in allergic rhinitis mice. Food Chem Toxicol 2024; 184:114435. [PMID: 38176579 DOI: 10.1016/j.fct.2024.114435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/21/2023] [Accepted: 01/01/2024] [Indexed: 01/06/2024]
Abstract
Studies have confirmed that the intake of nonylphenol (NP) can increase nasal symptoms, eosinophils, and Th2 responses in allergic rhinitis (AR) mice. However, the molecular mechanism of NP exacerbating AR inflammatory response remains unclear. Recent data suggest that NOD-like receptor 3 (NLRP3) inflammasome-mediated pyroptosis contributes to AR development. To investigate the effects of NP on NLRP3 inflammasomes and pyroptosis, an AR mouse model induced by ovalbumin (OVA) was established and treated with 0.5 mg/kg/d NP every other day. Nasal symptoms were evaluated after the final OVA instillation. Mast cells and Eosinophils in the nasal mucosa were observed using toluidine blue and Sirius red staining, respectively. The levels of NLRP3, Caspase-1, ASC, phospho-nuclear factor kappa B (NF-κB) p65, interleukin (IL)-6, TNF-α, IL-18, GSDMD and IL-1β, were assessed by using immunohistochemical staining, ELISA, quantitative real-time PCR, or Western blot. Exposure to NP aggravates AR symptoms and promotes eosinophils, mast cells, and inflammatory factors release, along with significantly increased of NF-κB, NLRP3, Caspase-1, ASC, and GSDMD. It was concluded that NP exposure promotes NLRP3 inflammasome and GSDMD-mediated pyroptosis of the nasal mucosa. Targeted of NLRP3 and GSDMD-mediated pyroptosis may be a novel therapeutic strategy for AR exposed to NP.
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Affiliation(s)
- Yunxiu Wang
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, PR China
| | - He Zhao
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, PR China
| | - Jing Yang
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, PR China
| | - Zhiwei Cao
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, PR China
| | - Liying Hao
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang, 110122, PR China.
| | - Zhaowei Gu
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, PR China.
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2
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Zhang L, Liu J, Xu B, Wu D, Wu Y, Li G. β-Carbolines norharman and harman change neurobehavior causing neurological damage in Caenorhabditis elegans. Food Funct 2023; 14:10031-10040. [PMID: 37927231 DOI: 10.1039/d3fo03732k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
β-Carbolines norharman and harman, belonging to the class of heterocyclic aromatic amines (HAAs), are typical hazardous substances produced during the thermal processing of food. Compared to other HAAs, there have been limited reports on the toxicity of β-carbolines. Nevertheless, the current studies are concerned with the neurotoxic effects of norharman and harman at high doses. It is still unknown whether the relatively low dose of β-carbolines in foods induces neurotoxicity and the mechanism of the toxicity. In this study, C. elegans was exposed to a series of gradients of norharman and harman (0, 0.05, 5, and 10 mg L-1). The survival rate and indicators of ethology (locomotor behaviors, foraging behavior, and chemotaxis ability) were assessed. The antioxidant system and the contents of neurotransmitters, as well as the activity of acetylcholinesterase (AChE), were evaluated. Additionally, the RNA-seq screening of differentially expressed genes (DEGs) revealed the potential molecular mechanisms of norharman- and harman-induced toxic effects. Our results indicated that the risk of long-term exposure to norharman and harman at low doses (food-related doses) should be emphasized. Moreover, β-carbolines might induce neurotoxicity by causing oxidative damage, regulating the content of neurotransmitters, and interfering with cytochrome P450 metabolism. This study would provide a toxicological basis for the neurotoxicity of β-carbolines and lay the foundation for the risk assessment of endogenous pollutants in food.
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Affiliation(s)
- Luyao Zhang
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
| | - Jialu Liu
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
| | - Bufan Xu
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
| | - Di Wu
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast, BT9 5DL, UK
| | - Yongning Wu
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Guoliang Li
- School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
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3
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Ceylan T, Akin AT, Karabulut D, Tan FC, Taşkiran M, Yakan B. Therapeutic effect of thymoquinone on brain damage caused by nonylphenol exposure in rats. J Biochem Mol Toxicol 2023; 37:e23471. [PMID: 37466128 DOI: 10.1002/jbt.23471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 06/24/2023] [Accepted: 07/08/2023] [Indexed: 07/20/2023]
Abstract
Nonylphenol (NP), causes various harmful effects such as cognitive impairment and neurotoxicity. Thymoquinone (TQ), has antioxidant, anti-inflammatory, and neuroprotective properties. In this study, our aim is to investigate the effects of TQ on the brain damage caused by NP. Corn oil was applied to the control group. NP (100 mg/kg/day) was administered to the NP and NP + TQ groups for 21 days. TQ (5 mg/kg/day) was administered to the NP + TQ and TQ groups for 7 after 21 days. At the end of the experiment, the new object recognition test was applied to the rats and the rats were killed and their brain tissues were removed. Sections taken from brain tissues were stained with hematoxylin-eosin for histopathological evaluation. In addition, neuronal nuclei (NeuN), glial fibrillary acidic protein (GFAP), Cas-3, and nerve growth factor (NGF) immunoreactivities were evaluated in brain tissue sections. In addition, malondialdehyde (MDA), superoxide dismutase (SOD), and catalase (CAT) activities were determined. Comet assay was applied to determine DNA damage in cells. The results of our study showed that NP, caused behavioral disorders and damage to the cerebral cortex in rats. This damage in the form of neuron degeneration seen in the cortex was associated with apoptosis involving Cas-3 activation, increased DNA damage, and free oxygen radicals. NP, SOD, and CAT caused a decrease in enzyme activities. In addition, the cellular protein NeuN was decreased, astrocytosis-associated GFAP was increased, and growth factor NGF was decreased. When all our evaluations are taken together, treatment with TQ showed an ameliorative effect on the behavioral impairment and brain damage caused by NP exposure.
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Affiliation(s)
- Tayfun Ceylan
- Department of Histology and Embryology, Faculty of Dentistry, Cappadocia University, Nevsehir, Turkey
- Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Ali Tuğrul Akin
- Department of Medical Biology, Faculty of Medicine, Istinye University, Istanbul, Turkey
| | - Derya Karabulut
- Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Fazile Cantürk Tan
- Department of Biophysics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Mehmet Taşkiran
- Department of Biology, Faculty of Science, Erciyes University, Kayseri, Turkey
| | - Birkan Yakan
- Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
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4
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Desai JK, Trangadia BJ, Patel UD, Patel HB, Kalaria VA, Kathiriya JB. Neurotoxicity of 4-nonylphenol in adult zebrafish: Evaluation of behaviour, oxidative stress parameters and histopathology of brain. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122206. [PMID: 37473849 DOI: 10.1016/j.envpol.2023.122206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023]
Abstract
Nonylphenol and its derivatives use as plasticizer or additives in manufacturing industries. Effluents originated from industrial areas are being added to soil, ground water, river and marine water intentionally or unintentionally. Complex mixture of these contaminants enter the food chain and produce sub-lethal deleterious effects mainly on nervous and reproductive systems of aquatic animals and human beings. The information pertaining to oxidative stress-mediated alterations in brain of zebrafish would be helpful to understand the toxicity potential of such compounds in aquatic animals. The aim of the present study was to evaluate the behavioural changes, status of oxidative stress markers; sod, cat, and NF-E2-related factor 2 (nrf2) mRNA gene expression profile; and histopathological changes in the brain of adult zebrafish exposed to 4-nonylphenol (4NP) at concentration of 100 and 200 μg/L of water for 21 days. Zebrafish were divided into four groups viz; control (C1), vehicle (C2, ethanol 10 μg/L of water), treatment 1 (T1, 4-NP, 100 μg/L) and treatment 2 (T2, 4-NP, 200 μg/L). Both exposure levels of 4-NP adversely affected the exploratory behaviour of zebrafish and produced anxiety-like symptom. Concentration-dependent reduction in activity of superoxide dismutase and catalase; and glutathione level, with increased level of malondialdehyde recorded in the brain of exposed zebrafish. Gene expression analysis showed down regulation of sod, cat, nrf2 genes in brain of zebrafish from toxicity groups indicating 4-NP induced oxidative stress in brain. However, noticeable histological alterations were not observed in 4-NP exposed brain of zebrafish.
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Affiliation(s)
- Jay K Desai
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India.
| | - Bhavesh J Trangadia
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India.
| | - Urvesh D Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
| | - Harshad B Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
| | - Vinay A Kalaria
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
| | - Jaysukh B Kathiriya
- Department of Veterinary Public Health & Epidemiology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
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5
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Onder GO, Goktepe O, Karaman E, Karakas E, Mat OC, Bolat D, Okur E, Tan FC, Balcioglu E, Baran M, Ermis M, Yay A. Nonylphenol Exposure-Induced Oocyte Quality Deterioration Could be Reversed by Boric Acid Supplementation in Rats. Biol Trace Elem Res 2023; 201:4518-4529. [PMID: 37043110 DOI: 10.1007/s12011-023-03657-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 03/31/2023] [Indexed: 04/13/2023]
Abstract
In this study, we reported boric acid's protective effects on the quality of nonylphenol (NP)-exposed oocytes. Female rats were classified into 4 groups: control, boric acid, NP, and NP+boric acid. Histopathological studies and immunohistochemical analysis of anti-müllerian hormone (AMH), mechanistic target of rapamycin (mTOR), Sirtuin1 (SIRT1), stem cell factor (SCF) studies were done. The comet assay technique was utilized for DNA damage. The ELISA method was used to determine the concentrations of oxidative stress indicators (SOD, CAT, and MDA), ovarian hormone (INH-B), and inflammation indicators (IL-6 and TNF-α). Boric acid significantly reduced the histopathological alterations and nearly preserved the ovarian reserve. With the restoration of AMH and SCF, boric acid significantly improved the ovarian injury. It downregulated SIRT1 and upregulated the mTOR signaling pathway. It provided DNA damage protection. Ovarian SOD, CAT levels were decreased by boric acid. Boric acid co-administration significantly reduced NP's MDA, IL-6, and TNF-activities. This results imply that boric acid has a protective role in ovarian tissue against NP-mediated infertility.
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Affiliation(s)
- Gozde Ozge Onder
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey.
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey.
| | - Ozge Goktepe
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
| | - Enes Karaman
- Department of Gynecology and Obstetrics, Savur Prof Dr Aziz Sancar District State Hospital, Mardin, Turkey
| | - Erol Karakas
- Department of Gynecology and Obstetrics, Kayseri State Hospital, Kayseri, Turkey
| | - Ozge Cengiz Mat
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
| | - Demet Bolat
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
| | - Eda Okur
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
| | - Fazile Canturk Tan
- Department of Biophysics, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
| | - Esra Balcioglu
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
| | - Munevver Baran
- Department of Pharmaceutical Basic Science, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Mustafa Ermis
- Erciyes University, Experimental Researches and Application Center, Kayseri, Turkey
| | - Arzu Yay
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039, Kayseri, Turkey
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
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6
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Weatherly S, Lyons R. The photolytic conversion of 4-nonylphenol to 4-nonylcatechol within snowpack of the Palisade Glacier, Sierra Nevada, CA, USA. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 876:162835. [PMID: 36924957 DOI: 10.1016/j.scitotenv.2023.162835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/09/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
4-Nonylphenol (4-NP), an environmental pollutant with potent ecotoxicological effects, has been discovered in significant quantities in glacial ice and snow of the Sierra Nevada Mountain Range, CA. Photolysis of 4-NP is suspected to be a major, if not the sole, breakdown pathway in snow. However, the photolysis process has yet to be characterized in detail for this unique environment. This study therefore seeks to (1) confirm the presence of the major photolysis product within snowpack and snowmelt samples from the Palisade Glacier, CA, (2) determine key photolysis parameters through laboratory assays in snow analogs, and (3) compute environmentally relevant photolysis rates in snowpack via a spectral solar irradiance model parameterized for the Palisade Glacier. The primary photooxidation product of 4-NP, 4-nonylcatechol (4-NC), was synthesized and characterized by NMR and GC-MS for use as a reference standard in the detection of 4-NC in environmental samples. 4-NP was detected in all snowpack (n = 4) and snowmelt (n = 5) samples, with concentrations of 1.05 (± 0.11) μg L-1 and 1.28 (± 0.12) μg L-1, respectively. 4-NC was detected in all snowmelt outflow samples and all but one snow samples (88 % detection frequency) but was below the limit of quantification for the given method. All samples were collected during a sampling regime at the Palisade Glacier in August of 2021. Quantum yields of photolysis at the 277 nm absorption band were determined to be 0.36 (±0.06) and 0.21 (±0.06) in ultrapure water and liquid snow, respectively. Under clear sky conditions at the Palisade Glacier, half-lives for 4-NP are estimated to range from 235 to 251 h (9.8-10.5 days) based on assays conducted in liquid snowmelt and irradiance modeling. These results suggest that the photolysis of 4-NP, and hence the production of 4-NC, is occurring at significant rates within the snowpack where 4-NC is inevitably released to downstream catchment areas via snowmelt. 4-NC is significantly more toxic than its precursor, thereby raising amplified concerns for downstream human and wildlife populations. Furthermore, the ubiquity of 4-NP among the Earth's environments presents this as an issue of potentially global concern.
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Affiliation(s)
- Shaun Weatherly
- University of Redlands, 1200 E Colton Ave., Redlands, CA 92373, United States of America.
| | - Rebecca Lyons
- University of Redlands, 1200 E Colton Ave., Redlands, CA 92373, United States of America
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7
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Huang H, Shi J, Li Z, Rang Y, Li W, Xiao X, Chen C, Liu C. Nicotinamide mononucleotide (NMN) ameliorated Nonylphenol-induced learning and memory impairment in rats via the central 5-HT system and the NAD +/SIRT1/MAO-A pathway. Food Chem Toxicol 2023:113878. [PMID: 37295765 DOI: 10.1016/j.fct.2023.113878] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/16/2023] [Accepted: 06/06/2023] [Indexed: 06/12/2023]
Abstract
Nonylphenol (NP) exposure can trigger neurotoxicity and cause learning and memory impairment. Nicotinamide mononucleotide (NMN) has a therapeutic effect on neurodegenerative diseases, but the role of NMN on NP-induced learning and memory impairment is not known. Here, we examined the mitigative effect of NMN on the impaired learning and memory ability of rats exposed to NP. The NP impaired learning and memory in rats, while the low-dose intervention with NMN significantly prolonged the step-through latency of the PAT and improved the NAMPT and NMNAT1 content in brain tissue. At the same time, the NMN intervention also increased the content of 5-HTR1A, 5-HTR4, and 5-HTR6 related to learning and memory in the hippocampus. In line with this, we found that the NMN intervention activated the SIRT1/MAO-A pathway in brain tissue. NMN intervention, especially at 125 mg/kg doses, may improve rats' NP-induced learning and memory impairment via the central 5-HT system and the NAD+/SIRT1/MAO-A pathway in the brain.
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Affiliation(s)
- Huiying Huang
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Jian Shi
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Zhongyi Li
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Yifeng Rang
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Weiye Li
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Xueman Xiao
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Congying Chen
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
| | - Chunhong Liu
- College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou, 510642, China.
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8
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Al Haj Ishak Al Ali R, Mondamert L, Berjeaud JM, Jandry J, Crépin A, Labanowski J. Application of QSAR Approach to Assess the Effects of Organic Pollutants on Bacterial Virulence Factors. Microorganisms 2023; 11:1375. [PMID: 37374877 DOI: 10.3390/microorganisms11061375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/15/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
The release of a wide variety of persistent chemical contaminants into wastewater has become a growing concern due to their potential health and environmental risks. While the toxic effects of these pollutants on aquatic organisms have been extensively studied, their impact on microbial pathogens and their virulence mechanisms remains largely unexplored. This research paper focuses on the identification and prioritization of chemical pollutants that increase bacterial pathogenicity, which is a public health concern. In order to predict how chemical compounds, such as pesticides and pharmaceuticals, would affect the virulence mechanisms of three bacterial strains (Escherichia coli K12, Pseudomonas aeruginosa H103, and Salmonella enterica serovar. Typhimurium), this study has developed quantitative structure-activity relationship (QSAR) models. The use of analysis of variance (ANOVA) functions assists in developing QSAR models based on the chemical structure of the compounds, to predict their effect on the growth and swarming behavior of the bacterial strains. The results showed an uncertainty in the created model, and that increases in virulence factors, including growth and motility of bacteria, after exposure to the studied compounds are possible to be predicted. These results could be more accurate if the interactions between groups of functions are included. For that, to make an accurate and universal model, it is essential to incorporate a larger number of compounds of similar and different structures.
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Affiliation(s)
- Roukaya Al Haj Ishak Al Ali
- Institute of Chemistry, Materials and Natural Resources of Poitiers, UMR CNRS 7285, University of Poitiers, 86000 Poitiers, France
| | - Leslie Mondamert
- Institute of Chemistry, Materials and Natural Resources of Poitiers, UMR CNRS 7285, University of Poitiers, 86000 Poitiers, France
| | - Jean-Marc Berjeaud
- Ecology and Biology of Interactions, UMR CNRS 7267, University of Poitiers, 86000 Poitiers, France
| | - Joelle Jandry
- Faculty of Agronomy and Veterinary Sciences, Lebanese University, Dekwaneh, Lebanon
| | - Alexandre Crépin
- Ecology and Biology of Interactions, UMR CNRS 7267, University of Poitiers, 86000 Poitiers, France
| | - Jérôme Labanowski
- Institute of Chemistry, Materials and Natural Resources of Poitiers, UMR CNRS 7285, University of Poitiers, 86000 Poitiers, France
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9
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Yang L, Chen S, Chen Z, Sun X, Gao Q, Lei M, Hao L. Exploration of interaction property between nonylphenol and G protein-coupled receptor 30 based on molecular simulation and biological experiments. Steroids 2022; 188:109114. [PMID: 36154832 DOI: 10.1016/j.steroids.2022.109114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 09/12/2022] [Accepted: 09/16/2022] [Indexed: 01/11/2023]
Abstract
Nonylphenol (NP), a representative of environmental hormones, can cause extensive biological effects in the human body. In this study, we first analyzed the mutual binding modes of NP and G protein coupled estrogen receptor 30 (GPR30) by molecular simulation. The 3D structure of GPR30 was successfully constructed. We found that the binding sites of NP on GPR30 are similar to that of 17β-Estradiol (E2) on GPR30. The GPR30-E2 bond complex is more stable than GPR30-NP bond complex. Next CCK-8 assay was used to detect the regulatory effect of NP on SKBR-3 cell proliferation. When NP and E2 were used alone, low concentration could promote cell proliferation, while high concentration was the opposite. The presence of E2 can promote the cell proliferation effect of NP, and inhibit the inhibitory intensity. NP could promote both the cell proliferation effect and inhibition intensity of E2. Based on our results, we conclude that the binding modes of NP and GPR30 is similar to that of E2 and GPR30. In biology, NP can play estrogen role by activating GPR30 receptor, but it can also produce cytotoxicity at higher concentration.
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Affiliation(s)
- Lijuan Yang
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Sichong Chen
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Zihao Chen
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Xuefei Sun
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Qinghua Gao
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Ming Lei
- Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Lab of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China.
| | - Liying Hao
- Department of Pharmaceutical Toxicology, School of Pharmacy, China Medical University, Shenyang 110122, China.
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10
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Hu LL, Li HG, Li XM, Xu Y, Pang YQ, Wang B, Wang JL, Sun SC. Nonylphenol exposure-induced oocyte quality deterioration could be reversed by melatonin supplementation in mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 305:119317. [PMID: 35439602 DOI: 10.1016/j.envpol.2022.119317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/10/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Nonylphenol (NP) belongs to the metabolites of commercial detergents, which acts as an environmental endocrine disruptor. NP is reported to have multiple toxicity including reproductive toxicity. In present study, we reported the protective effects of melatonin on the NP-exposed oocyte quality. We set up a mouse in vivo model of NP exposure (500 μg/L), by daily drinking and continued feeding for 4 weeks; and we gave a daily dose of melatonin (30 mg/kg) to the NP-exposed mice. Melatonin supplementation restores the development ability of oocytes exposed to NP, and this was due to the reduction of ROS level and DNA damage by melatonin. Melatonin could rescue aberrant mitochondria distribution, mitochondria membrane potential, which also was reflected by ATP content and mtDNA copy number. Moreover, melatonin could restore the RPS3 expression to ensure the ribosome function for protein synthesis, and reduced GRP78 protein level to protect against ER stress and ER distribution defects. We also found that vesicle protein Rab11 from Golgi apparatus was protected by melatonin at the spindle periphery of oocytes of NP-exposed mice, which further moderated LAMP2 for lysosome function. Our results indicate that melatonin protects oocytes from NP exposure through its effects on the reduction of oxidative stress and DNA damage, which might be through its amelioration on the organelles in mice.
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Affiliation(s)
- Lin-Lin Hu
- The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Hong-Ge Li
- School of Medical Laboratory, Youjiang Medical University for Nationalities, Baise, 533000, China; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xiao-Mei Li
- The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Yi Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ya-Qin Pang
- School of Medical Laboratory, Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Bin Wang
- School of Public Health, Peking University, Beijing, 100191, China
| | - Jun-Li Wang
- School of Medical Laboratory, Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China.
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11
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Haigis AC, Ottermanns R, Schiwy A, Hollert H, Legradi J. Getting more out of the zebrafish light dark transition test. CHEMOSPHERE 2022; 295:133863. [PMID: 35124091 DOI: 10.1016/j.chemosphere.2022.133863] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 01/24/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
In (eco-)toxicological studies the light/dark transition (LDT) test is one of the most frequently used behaviour assays with zebrafish eleutheroembryos. However, study results vary regarding data presentation and analysis and mostly focus on a limited amount of the recorded data. In this study, we investigated whether monitoring two behavioural outcomes (time and distance moved) together with analysing multiple parameters can improve test sensitivity and data interpretation. As a proof of principle 5-day old zebrafish (Danio rerio) eleutheroembryos exposed to either endocrine disruptors (EDs) or acetylcholine esterase (AChE) inhibitors were investigated. We analysed conventional parameters such as mean and sum and implemented additional endpoints such as minimum or maximum distance moved and new parameters assessing the bursting response of eleutheroembryos. Furthermore, changes in eleutheroembryonic behaviour during the moment of the light to dark transition were added. To improve data presentation control-normalised results were displayed in radar charts, enabling the simultaneous presentation of different parameters in relation to each other. This enabled us to identify parameters most relevant to a certain behavioural response. A cut off threshold using control data was applied to identify parameters that were altered in a biological relevant manner. Our approach was able to detect effects on different parameters that remained undetected when analysis was done using conventional bar graphs on - in most cases analysed - averaged, mean distance moved values. By combining the radar charts with additional parameters and by using control-based thresholds, we were able to increase the test sensitivity and promote a deeper understanding of the behaviour response of zebrafish eleutheroembryos in the LDT test and thereby increased its usability for behavioural toxicity studies.
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Affiliation(s)
- Ann-Cathrin Haigis
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074, Aachen, Germany; Department Evolutionary Ecology and Environmental Toxicology, Faculty Biological Sciences, Goethe University Frankfurt, 60438, Frankfurt am Main, Germany.
| | - Richard Ottermanns
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074, Aachen, Germany.
| | - Andreas Schiwy
- Department Evolutionary Ecology and Environmental Toxicology, Faculty Biological Sciences, Goethe University Frankfurt, 60438, Frankfurt am Main, Germany.
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, 52074, Aachen, Germany; Department Evolutionary Ecology and Environmental Toxicology, Faculty Biological Sciences, Goethe University Frankfurt, 60438, Frankfurt am Main, Germany.
| | - Jessica Legradi
- Environment & Health, VU Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, the Netherlands.
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12
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Thymoquinone Improved Nonylphenol-Induced Memory Deficit and Neurotoxicity Through Its Antioxidant and Neuroprotective Effects. Mol Neurobiol 2022; 59:3600-3616. [PMID: 35355194 DOI: 10.1007/s12035-022-02807-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 03/17/2022] [Indexed: 12/27/2022]
Abstract
Nonylphenol (NP), a well-known endocrine-disrupter chemical, has several harmful effects on the central nervous system including neuroendocrine disruption, cognitive impairment, and neurotoxicity. Thymoquinone (TQ) is a main bioactive compound in the black seeds of Nigella sativa that has antioxidant, anti-inflammatory, and neuroprotective properties. Here, we investigated the neuroprotective effect of TQ against NP-induced memory deficit and neurotoxicity in rats. To induce memory impairment, NP (25 mg/kg) was used as gavage in male Wistar rats for 21 days. TQ (2.5, 5, and 10 mg/kg) was intraperitoneally administered in NP-treated animals. The morris water maze test was performed to assess spatial learning and memory. The hippocampal tissues were isolated from the brain for histopathological evaluation. Biochemical, molecular, and cellular tests were performed to quantify oxidant (malondialdehyde; MDA)/antioxidant (superoxide dismutase (SOD), total antioxidant capacity (TAC), and reduced glutathione (GSH) parameters) as well as markers for astrocytic activation (glial fibrillary acidic protein; GFAP) and neuronal death (alpha-synuclein; α-syn). Results showed TQ (5 mg/kg) significantly improved NP-induced memory impairment. Histological data revealed a significant increase in the number of necrotic cells in hippocampus, and TQ treatment markedly decreased this effect. The GSH and TAC levels were significantly increased in TQ-treated groups compared to NP group. The molecular analysis indicated that NP increased GFAP and decreased α-syn expression and TQ treatment did the reverse. In vitro study in astrocytes isolated from mice brain showed that TQ significantly increased cell viability in NP-induced cytotoxicity. This study strongly indicates that TQ has neuroprotective effects on NP-induced neurotoxicity through reducing oxidative damages and neuroinflammation. This study investigates the behavioral neurotoxicity induced by Nonylphenol (NP) and the protective effects of Thymoquinone (TQ) as a potent antioxidant compound using molecular, cell culture, histopathological and biochemical techniques.
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13
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Martins I, Soares J, Neuparth T, Barreiro AF, Xavier C, Antunes C, Santos MM. Prioritizing the Effects of Emerging Contaminants on Estuarine Production under Global Warming Scenarios. TOXICS 2022; 10:46. [PMID: 35202234 PMCID: PMC8877751 DOI: 10.3390/toxics10020046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/28/2021] [Accepted: 01/10/2022] [Indexed: 02/06/2023]
Abstract
Due to non-linear interactions, the effects of contaminant mixtures on aquatic ecosystems are difficult to assess, especially under temperature rise that will likely exacerbate the complexity of the responses. Yet, under the current climatic crisis, assessing the effects of water contaminants and temperature is paramount to understanding the biological impacts of mixtures of stressors on aquatic ecosystems. Here, we use an ecosystem model followed by global sensitivity analysis (GSA) to prioritize the effects of four single emerging contaminants (ECs) and their mixture, combined with two temperature rise scenarios, on the biomass production of a NE Atlantic estuary. Scenarios ran for 10 years with a time-step of 0.1 days. The results indicate that macroinvertebrate biomass was significantly explained by the effect of each single EC and by their mixture but not by temperature. Globally, the most adverse effects were induced by two ECs and by the mixture of the four ECs, although the sensitivity of macroinvertebrates to the tested scenarios differed. Overall, the present approach is useful to prioritize the effects of stressors and assess the sensitivity of the different trophic groups within food webs, which may be of relevance to support decision making linked to the sustainable management of estuaries and other aquatic systems.
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Affiliation(s)
- Irene Martins
- CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; (J.S.); (T.N.); (A.F.B.); (C.A.)
| | - Joana Soares
- CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; (J.S.); (T.N.); (A.F.B.); (C.A.)
| | - Teresa Neuparth
- CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; (J.S.); (T.N.); (A.F.B.); (C.A.)
| | - Aldo F. Barreiro
- CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; (J.S.); (T.N.); (A.F.B.); (C.A.)
| | - Cândido Xavier
- FCUP—Faculty of Sciences, University of Porto, Rua do Campo Alegre S/N, 4169-007 Porto, Portugal;
| | - Carlos Antunes
- CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; (J.S.); (T.N.); (A.F.B.); (C.A.)
- Aquamuseu do Rio Minho, Parque do Castelinho, 4920-290 Vila Nova de Cerveira, Portugal
| | - Miguel M. Santos
- CIMAR/CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal; (J.S.); (T.N.); (A.F.B.); (C.A.)
- FCUP—Faculty of Sciences, University of Porto, Rua do Campo Alegre S/N, 4169-007 Porto, Portugal;
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14
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Hu LL, Li HG, Liao BY, Xu Y, Sun SC, Wang JL. Exposure to nonylphenol impairs oocyte quality via the induction of organelle defects in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 230:113136. [PMID: 34995913 DOI: 10.1016/j.ecoenv.2021.113136] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Nonylphenol (NP) is an environmental endocrine disruptor, which is mainly used in the production of surfactants, lubricants, additives, pesticides, and emulsifiers. NP is widely found in sewage and sludge, which has neurotoxicity, immunotoxicity, metabolic toxicity and reproductive toxicity. In this study, we investigated the effects of NP exposure on mammalian oocyte quality from organelle aspects with mouse in vivo model. The results showed that the ovarian weight of mice exposed to 500 μg/L NP for 4 weeks increased and the development ability of oocytes decreased, showing with lower rate of polar body extrusion. Further analysis indicated that exposure to NP caused the abnormal distribution of mitochondria, following with altered membrane potential drop. NP exposure disrupted the spindle periphery localization of ER, and affected the expression of GRP78 for the induction of ER stress. Moreover, Golgi apparatus fragment in the oocytes was observed, and Rab11-based vesicle transport was disturbed. We also found that the protein degradation might be affected since LAMP2 expression increased and LC3 decreased, indicating the lysosome and autophagy dysfunction. Taken together, our findings suggested that the exposure of NP to mice in vivo affected oocyte quality through its effects on the distribution and function of organelles.
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Affiliation(s)
- Lin-Lin Hu
- The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China
| | - Hong-Ge Li
- School of Medical Laboratory, Youjiang Medical University for Nationalities, Baise 533000, China; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Bi-Yun Liao
- The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China
| | - Yi Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Jun-Li Wang
- The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China; School of Medical Laboratory, Youjiang Medical University for Nationalities, Baise 533000, China.
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15
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Zhang Y, Zhao C, Zhang H, Lu Q, Zhou J, Liu R, Wang S, Pu Y, Yin L. Trans-generational effects of copper on nerve damage in Caenorhabditis elegans. CHEMOSPHERE 2021; 284:131324. [PMID: 34225113 DOI: 10.1016/j.chemosphere.2021.131324] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/20/2021] [Accepted: 06/22/2021] [Indexed: 05/15/2023]
Abstract
The potential toxicity of copper has received great attention for a long time, however, trans-generational effects of copper have not been extensively investigated. Caenorhabditis elegans (C. elegans) was used to evaluate the trans-generational toxicities of copper several physiological endpoints: growth, head thrashes and body bends and degree of neuronal damage. Copper significantly inhibited growth, body bends, head thrashes and caused degeneration of dopaminergic neurons in a concentration-dependent manner in parental worms. Further we found oxidative damage was to underlying the onset of neuron degeneration. In our study copper promoted ROS accumulation, and led to an increased expression of the oxidative stress response-related genes sod-3 and a decreased expression of metal detoxification genes mtl-1 and mtl-2. Moreover, copper increased the fluorescence intensity of the transgenic strain that encodes the antioxidant enzyme SOD-3. Gradually decline in copper-induced impairments were observed in the filial generations without exposure. No growth impairment was shown in F3, the trend of head thrashes recovery gradually appeared in F2 and no growth impairment was shown in F3, the body bends impairment caused by the parental copper exposure was recovery until F4 and no growth impairment was shown in F5. Besides, dopamine neurons revealed damage related to neurobehavioral endpoints, with hereditary effects in the progeny together. In addition, sequencing results suggested that copper exposure could cause epigenetic changes. QRT-PCR results showed that differentially expressed genes can also be passed on to offspring.
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Affiliation(s)
- Ying Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Chao Zhao
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Hu Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Qiang Lu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Jingjing Zhou
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Shizhi Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Yuepu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
| | - Lihong Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
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16
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Paolella G, Romanelli AM, Martucciello S, Sposito S, Lepretti M, Esposito C, Capaldo A, Caputo I. The mechanism of cytotoxicity of 4-nonylphenol in a human hepatic cell line involves ER-stress, apoptosis, and mitochondrial dysfunction. J Biochem Mol Toxicol 2021; 35:e22780. [PMID: 33957011 DOI: 10.1002/jbt.22780] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/29/2021] [Accepted: 03/12/2021] [Indexed: 02/04/2023]
Abstract
4-Nonylphenol (4-NP) is an emerging environmental pollutant widely diffused in waters and sediments. It mainly derives from the degradation of alkyl phenol ethoxylates, compounds commonly employed as industrial surfactants. 4-NP strongly contaminates foods and waters for human use; thus, it displays a wide range of toxic effects not only for aquatic organisms but also for mammals and humans. After ingestion through the diet, it tends to accumulate in body fluids and tissues. One of the main organs where 4-NP and its metabolites are concentrated is the liver, where it causes, even at low doses, oxidative stress and apoptosis. In the present study, we analyzed the effects of 4-NP on a human hepatic cell line (HepG2) to deepen the knowledge of its cytotoxic mechanism. We found that 4-NP, in a range of concentration from 50 to 100 μM, significantly reduced cell viability; it caused a partial block of proliferation and induced apoptosis with activation of caspase-3 and overexpression of p53. Moreover, 4-NP induced-apoptosis seemed to involve both an ER-stress response, with the appearance of high level of GRP78, CHOP and the spliced XBP1, and a dysregulation of mitochondrial physiology, characterized by an overexpression of main markers of mitochondrial dynamics. Our data support the idea that a daily consumption of 4-NP-contaminated foods may lead to local damages at the level of gastrointestinal system, including liver, with negative consequences for the organ physiology.
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Affiliation(s)
- Gaetana Paolella
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy
| | | | | | - Silvia Sposito
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy
| | - Marilena Lepretti
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy
| | - Carla Esposito
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy.,European Laboratory for the Investigation of Food-Induced Diseases (ELFID), University of Salerno, Salerno, Italy
| | - Anna Capaldo
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Ivana Caputo
- Department of Chemistry and Biology, University of Salerno, Fisciano, Italy.,European Laboratory for the Investigation of Food-Induced Diseases (ELFID), University of Salerno, Salerno, Italy
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17
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Alla LNR, Monshi M, Siddiqua Z, Shields J, Alame K, Wahls A, Akemann C, Meyer D, Crofts EJ, Saad F, El-Nachef J, Antoon M, Nakhle R, Hijazi N, Hamid M, Gurdziel K, McElmurry SP, Kashian DR, Baker TR, Pitts DK. Detection of endocrine disrupting chemicals in Danio rerio and Daphnia pulex: Step-one, behavioral screen. CHEMOSPHERE 2021; 271:129442. [PMID: 33476875 DOI: 10.1016/j.chemosphere.2020.129442] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/15/2020] [Accepted: 12/23/2020] [Indexed: 05/27/2023]
Abstract
Anthropogenic surface and ground water contamination by chemicals is a global problem, and there is an urgent need to develop tools to identify and elucidate biological effects. Contaminants of emerging concern (CECs) are not typically monitored or regulated and those with known or suspected endocrine disrupting potential have been termed endocrine disrupting chemicals (EDCs). Many CECs are known to be neurotoxic (e.g., insecticides) and many are incompletely characterized. Behavioral responses can identify chemicals with neuroactive properties, which can be relevant to EDC mechanisms (e.g., neuroendocrine disturbances). Two freshwater species, Daphnia pulex and Danio rerio, were evaluated for swimming behavior alterations resulting from 24-hr exposure to 9 CECs: triclosan, triclocarban, chlorpyrifos, dieldrin, 4-nonylphenol, bisphenol-A, atrazine, metformin, and estrone. This is the first step in the development of a bioassay for detecting estrogenic and/or anti-androgenic activity with the goal to evaluate complex mixtures of uncharacterized contaminants in water samples. The second step, described in a subsequent report, examines transcriptome alterations following chemical exposure. Significant differences in the swimming behavior response and sensitivity were found across chemicals within a species and across species for a given chemical in this unique optical bioassay system. In the concentration ranges studied, significant behavioral alterations were detected for 6 of 9 CECs for D. pulex and 4 of 9 CECs for D. rerio. These results underscore the utility of this bioassay to identify behavioral effects of sublethal concentrations of CECs before exploration of transcriptomic alterations for EDC detection.
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Affiliation(s)
- Lakshmi Neha Reddy Alla
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Manahil Monshi
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Zoha Siddiqua
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Jeremiah Shields
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Karim Alame
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Andrea Wahls
- Department of Civil and Environmental Engineering, College of Engineering, Wayne State University, Detroit, MI, USA; Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Camille Akemann
- Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, USA
| | - Danielle Meyer
- Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, USA
| | - Emily J Crofts
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Fadie Saad
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Judy El-Nachef
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Merna Antoon
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Raquel Nakhle
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Nemer Hijazi
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Maha Hamid
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | | | - Shawn P McElmurry
- Department of Civil and Environmental Engineering, College of Engineering, Wayne State University, Detroit, MI, USA
| | - Donna R Kashian
- Department of Biological Sciences, College of Liberal Arts, Wayne State University, Detroit, MI, USA
| | - Tracie R Baker
- Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, USA; Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - David K Pitts
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA.
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18
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4-Nonylphenol induced brain damage in juvenile African catfish (Clarias garepinus). TOXICOLOGY AND ENVIRONMENTAL HEALTH SCIENCES 2021. [DOI: 10.1007/s13530-021-00080-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Impact of Nonylphenols and Polyhalogenated Compounds in Follicular Fluid on the Outcome of Intracytoplasmic Sperm Injection. Reprod Sci 2021; 28:2118-2128. [PMID: 33620705 DOI: 10.1007/s43032-021-00472-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 01/03/2021] [Indexed: 01/17/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) interfere with the mammalian hormone system and alter its endo- and paracrine regulation. The goal of the present study was to examine the presence of 14 EDCs, including the technical mixture of nonylphenols and Mirex, in human follicular fluid (FF) and to find a potential correlation between endocrine active substances and a possible impact on female fertility. Furthermore, potential sources of EDC exposition regarding patients' lifestyle and socioeconomic factors were investigated. Human FF was collected from a total of 210 women undergoing intracytoplasmic sperm injection-treatment cycles because of male subfertility. The presence of EDCs was analyzed using gas chromatography coupled with mass spectrometry. Thirteen of the 14 investigated EDCs were present in every FF sample; compounds with the highest concentrations in FF were nonylphenol and Mirex. Nearly all kinds of EDCs led to significantly reduced maturation and fertilization rate. No significant influence of EDC concentration on the clinical pregnancy rate was observed for neither of the analyzed EDCs. Patients who obtained their clothes and textiles at fashion discounters displayed a higher amount of EDCs in their FF. In contrast, patients' residential area, source of food products, and nicotine or caffeine consumed were not associated with EDC accumulation. Clinicaltrials.gov NCT01385605 (11 July 2011).
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20
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Xu Y, Sun MH, Xu Y, Ju JQ, Pan MH, Pan ZN, Li XH, Sun SC. Nonylphenol exposure affects mouse oocyte quality by inducing spindle defects and mitochondria dysfunction. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:114967. [PMID: 32645552 DOI: 10.1016/j.envpol.2020.114967] [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: 03/22/2020] [Revised: 05/20/2020] [Accepted: 06/03/2020] [Indexed: 06/11/2023]
Abstract
Nonylphenol (NP) is a chemical raw material and intermediate which is mainly used in the production of surfactants, lubricating oil additives and pesticide emulsifiers. NP is reported to be toxic on the immune system, nervous system and reproductive system due to its binding to estrogen receptors. However, the toxicity of NP on mammalian oocyte quality remains unclear. In present study, we explored the effects of NP exposure on mouse oocyte maturation. Our results showed that 4 weeks of NP exposure increased the number of atresia follicles and decreased oocyte developmental competence. Transcriptomic analysis indicated that NP exposure altered the expression of more than 800 genes in oocytes, including multiple biological pathways. Subcellular structure examination indicated that NP exposure disrupted meiotic spindle organization and caused chromosome misalignment. Moreover, aberrant mitochondrial distribution and decreased membrane potential were also observed, indicating that NP exposure caused mitochondria dysfunction. Further analysis showed that NP exposure resulted in the accumulation of reactive oxygen species (ROS), which causes oxidative stress; and the NP-exposed oocytes showed positive Annexin-V signal, indicating the occurrence of early apoptosis. In summary, our results indicated that NP exposure reduced oocyte quality by affecting cytoskeletal dynamics and mitochondrial function, which further induced oxidative stress and apoptosis in mice.
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Affiliation(s)
- Yi Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ming-Hong Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yao Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jia-Qian Ju
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Meng-Hao Pan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhen-Nan Pan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xiao-Han Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China.
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21
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Fu H, Di Q, Wang J, Jiang Q, Xu Q. Toxicokinetics and distribution in female rats after chronic nonylphenol exposure. Toxicol Ind Health 2020; 36:925-935. [PMID: 33025838 DOI: 10.1177/0748233720958963] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Our previous studies have shown that continuous exposure to nonylphenol (NP) may cause female reproductive toxicity even at low doses. To better understand this toxic effect, the aim of this study was to investigate the basic characteristics of the disposal kinetics of NP under a chronic exposure scenario to simulate human exposure. Female rats were exposed to NP at three dose levels (50-, 500-, and 10,000 µg kg-1 bw day-1, low, medium, and high dose, respectively) by gavage daily for 17 weeks. Ultrahigh-performance liquid chromatography-tandem mass spectrometry was used to detect NP in rat sera and tissues. The results suggested that a two extravascular compartment model was found to better match the actual serum metabolic behavior of NP. Compared with the high-dose group, the NP absorption in the low-dose group was relatively efficient, the clearance rate was slower, and the residual amount of NP was greater. NP was found mostly in the uterus, adipose and brain tissues and to a lesser degree, in the liver, kidney, and ovary. The results indicated that the extensive organ distribution may cause corresponding toxicity even at relatively low doses.
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Affiliation(s)
- Haowei Fu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, 12579Southeast University, Nanjing, China
| | - Qiannan Di
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, 12579Southeast University, Nanjing, China
| | - Jinming Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, 12579Southeast University, Nanjing, China
| | - Qianqian Jiang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, 12579Southeast University, Nanjing, China
| | - Qian Xu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, 12579Southeast University, Nanjing, China
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Yu J, Tuo F, Luo Y, Yang Y, Xu J. Toxic effects of perinatal maternal exposure to nonylphenol on lung inflammation in male offspring rats. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 737:139238. [PMID: 32512292 DOI: 10.1016/j.scitotenv.2020.139238] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/03/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
The incidence of asthma and its related allergic diseases has increased dramatically over the last decade. Asthma is a complex disease caused by genetic and environmental factors. Nonylphenol (NP), a typical endocrine disrupting chemical (EDC), is a major current focus in asthma research. Pregnant Sprague-Dawley rats (n = 8-10 per group) were given a consecutive daily dose of NP (25, 50, or 100 mg/kg/day) or an equivalent volume of vehicle by gavage from gestational day 7 until postnatal day (PND) 21. Exposure to 100 mg/kg NP increased the body mass of the offspring on PND 43. Perinatal exposure to NP in maternal rats led to a dose-dependent increase of NP level in the lung tissue of the offspring. The numbers of lymphocytes and neutrophils in bronchoalveolar lavage fluid were significantly higher in the 100 mg/kg NP group than those in the control. Histopathological examination of the lung showed that exposure to high dose NP resulted in a slightly thickened bronchiolar smooth muscles with inflammatory cell infiltration. In the cytoplasm of type II epithelial cells, osmiophilic lamellar bodies were observed, with emptied lamellar bodies. NP significantly increased the expressions of high mobility group box 1 protein (HMGB1) mRNA and nuclear factor κB (NF-κB) mRNA in the lung tissue of the offspring in a dose dependent manner. Similarly, the expressions of HMGB1, NF-κBp65 and estrogen receptor-β (ER-β) proteins increased with an increase of NP dose. NP content was positively correlated with the expressions of HMGB1 and NF-κB mRNA as well as HMGB1, NF-κBp65, and ER-β proteins in the lung tissue of offspring. Perinatal exposure to NP from the maternal rats might induce airway inflammation in the offspring, which may be due to NP-induced infiltration of inflammatory cells into the airway, and pathological alterations in airway structure as well as abnormal expression patterns of inflammation-related genes, proteins (including HMGB1 and NF-κB) and estrogen receptor β.
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Affiliation(s)
- Jie Yu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou 563000, PR China
| | - FangXu Tuo
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou 563000, PR China
| | - Ya Luo
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou 563000, PR China
| | - Yu Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou 563000, PR China
| | - Jie Xu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou 563000, PR China.
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23
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Fang Y, Che X, You M, Xu Y, Wang Y. Perinatal exposure to nonylphenol promotes proliferation of granule cell precursors in offspring cerebellum: Involvement of the activation of Notch2 signaling. Neurochem Int 2020; 140:104843. [PMID: 32866557 DOI: 10.1016/j.neuint.2020.104843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 08/13/2020] [Accepted: 08/20/2020] [Indexed: 10/23/2022]
Abstract
Nonylphenol (NP), a widely diffused persistent organic pollutant (POP), has been shown to impair cerebellar development and cause cerebellum-dependent behavioral and motor deficits. The precise proliferation of granule cell precursors (GCPs), the source of granular cells (GCs), is required for normal development of cerebellum. Thus, we established an animal model of perinatal exposure to NP, investigated the effect of NP exposure on the cerebellar GCPs proliferation, and explored the potential mechanism involved. Our results showed that perinatal exposure to NP increased cerebellar weight, area, and internal granular cell layer (IGL) thickness in offspring rats. Perinatal exposure to NP also resulted in the GCPs hyperproliferation in the external granular layer (EGL) of the developing cerebellum, which may underlie the above-mentioned cerebellar alterations. However, our results suggested that perinatal exposure to NP had no effects on the length of GCPs proliferation. Meanwhile, perinatal exposure to NP also increased the activation of Notch2 signaling, the regulator of GCPs proliferation. In conclusion, our results supported the idea that exposure to NP caused the hyperproliferation of GCPs in the developing cerebellum. Furthermore, our study also provided the evidence that the activation of Notch2 signaling may be involved in the GCPs hyperproliferation.
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Affiliation(s)
- Yawen Fang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Xiaoyu Che
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Mingdan You
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Yuanyuan Xu
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Yi Wang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China.
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Li F, Du P, Yang W, Huang D, Nie S, Xie M. Polysaccharide from the seeds of Plantago asiatica L. alleviates nonylphenol induced intestinal barrier injury by regulating tight junctions in human Caco-2 cell line. Int J Biol Macromol 2020; 164:2134-2140. [PMID: 32755704 DOI: 10.1016/j.ijbiomac.2020.07.259] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 07/19/2020] [Accepted: 07/20/2020] [Indexed: 02/07/2023]
Abstract
The intestinal epithelium is known as an important barrier to protect the body from harmful pathogens or toxic substance that may induce intestinal barrier injury. The aim of this study was to investigate the effects of polysaccharide from the seeds of Plantago asiatica L. (PLP) on nonylphenol (NP) induced intestinal barrier injury in vitro. Caco-2 cells were pretreated with PLP, or co-cultured with PLP and NP simultaneously, and cytotoxicity, LDH leakage, transepithelial electrical resistance (TEER), FITC-dextran flux and tight junction (TJ) proteins were conducted to evaluate the intestinal barrier function. The results suggested that PLP pretreatment or co-culture with NP could significantly attenuated NP induced Caco-2 cytotoxicity, suppressed LDH release, restored the TEER value and paracellular permeability of Caco-2 monolayers, which were attributed to enhancing the TJ protein expressions. In addition, PLP co-cultured with NP possessed better protective effects against NP induced cytotoxicity. This study indicated that PLP assuaged NP induced intestinal barrier injury by increasing TJ, and threw light on the development of a dietary supplementation for preventing exogenous toxic substances induced intestinal barrier injury or improving intestinal TJ barrier function.
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Affiliation(s)
- Fenfen Li
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Pengcheng Du
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Weiyu Yang
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Danfei Huang
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, 235 Nanjing East Road, Nanchang 330047, China.
| | - Shaoping Nie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, 235 Nanjing East Road, Nanchang 330047, China.
| | - Mingyong Xie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; National R&D Center for Freshwater Fish Processing, Jiangxi Normal University, Nanchang, Jiangxi 330022, China.
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25
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De la Parra-Guerra A, Stürzenbaum S, Olivero-Verbel J. Intergenerational toxicity of nonylphenol ethoxylate (NP-9) in Caenorhabditis elegans. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 197:110588. [PMID: 32289633 DOI: 10.1016/j.ecoenv.2020.110588] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 03/22/2020] [Accepted: 04/01/2020] [Indexed: 05/24/2023]
Abstract
The ethoxylated isomers of nonylphenol (NPEs, NP-9) are one of the main active ingredients present in nonionic surfactants employed as herbicides, cosmetics, paints, plastics, disinfectants and detergents. These chemicals and their metabolites are commonly found in environmental matrices. The aim of this work was to evaluate the intergenerational toxicity of NP-9 in Caenorhabditis elegans. The lethality, length, width, locomotion and lifespan were investigated in the larval stage L4 of the wild strain N2. Transgenic green fluorescent protein (GFP) strains were employed to estimate changes in relative gene expression. RT-qPCR was utilized to measure mRNA expression for neurotoxicity-related genes (unc-30, unc-25, dop-3, dat-1, mgl-1, and eat-4). Data were obtained from parent worms (P0) and the first generation (F1). Lethality of the nematode was concentration-dependent, with 48 h-LC50 values of 3215 and 1983 μM in P0 and F1, respectively. Non-lethal concentrations of NP-9 reduced locomotion. Lifespan was also decreased by the xenobiotic, but the negative effect was greater in P0 than in F1. Non-monotonic concentration-response curves were observed for body length and width in both generations. The gene expression profile in P0 was different from that registered in F1, although the expression of sod-4, hsp-70, gpx-6 and mtl-2 increased with the surfactant concentration in both generations. None of the tested genes followed a classical concentration-neurotoxicity relationship. In P0, dopamine presented an inverted-U curve, while GABA and glutamate displayed a bimodal type. However, in F1, inverted U-shaped curves were revealed for these genes. In summary, NP-9 induced intergenerational responses in C. elegans through mechanisms involving ROS, and alterations of the GABA, glutamate, and dopamine pathways.
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Affiliation(s)
- Ana De la Parra-Guerra
- Environmental and Computational Chemistry Group, University of Cartagena, Cartagena, Colombia.
| | - Stephen Stürzenbaum
- School of Population Health & Environmental Sciences, Faculty of Life Science & Medicine, King's College London, London, UK.
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, University of Cartagena, Cartagena, Colombia.
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26
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Jiang Y, You M, Li S, Xu Y, Wang Y. Perinatal exposure to nonylphenol delayed myelination in offspring cerebellum. Biochem Pharmacol 2020; 178:114120. [PMID: 32589996 DOI: 10.1016/j.bcp.2020.114120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 06/11/2020] [Accepted: 06/19/2020] [Indexed: 01/06/2023]
Abstract
As a stable environmental contaminant, nonylphenol (NP) has been shown to induce some neurological deficits in the cerebellum, although the underlying mechanism is still unknown. In the present study, we aimed to investigate the effects of perinatal exposure to NP on myelination, an important process essential for the intact cerebellar function, in the offspring cerebellum. Exposure to NP delayed the myelination in the offspring cerebellum during perinatal period. The myelination recovered in the cerebellum of offspring exposed to NP over time, and returned to normal in adulthood. In addition, perinatal exposure to NP reduced mature oligodendrocytes (myelin-forming glial cells) and increased astrocytes in the offspring cerebellum. BMP signaling is believed to negatively regulate oligodendrogliogenesis and myelination. In the present study, BMP4, p-Smad1/5, and ID4, key members of BMP signaling, were increased in the cerebellum of offspring exposed to NP. Taken together, these lines of evidence suggest that the activation of BMP signaling may underlie the decreased oligodendrogliogenesis and increased astrogliogenesis, and the consequent delay of myelination in the cerebellum of offspring perinatally exposed to NP.
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Affiliation(s)
- Yuanjing Jiang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Mingdan You
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Siyao Li
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Yuanyuan Xu
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Yi Wang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China.
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27
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Nerín C, Su QZ, Vera P, Mendoza N, Ausejo R. Influence of nonylphenol from multilayer plastic films on artificial insemination of sows. Anal Bioanal Chem 2020; 412:6519-6528. [PMID: 32424797 DOI: 10.1007/s00216-020-02698-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/15/2020] [Accepted: 05/07/2020] [Indexed: 02/07/2023]
Abstract
Artificial insemination is common practice in mass livestock farming. Recently, it was shown that chemicals leaching from multilayer plastic bags affect the fertility of boars, although common quality tests did not show any impact on the sperm. It is not clear whether this incidence was a single case or whether it could be a systematic problem. Therefore, we studied six multilayer plastic bags. A total of 49 compounds were found, but most of them were at very low intensity. Nonylphenols in the range of 19-99 μg/g plastic were found. Migration tests using water and 10% ethanol as simulants, to mimic the behavior of semen with the extender, were performed. The most interesting migrants in terms of potential reprotoxicity were identified as nonylphenols. The identification in depth demonstrated the presence of 10 isomers of nonylphenol with a total concentration range between 16 to 58 μg/Kg simulant, among other migrants at lower concentration. The influence of these nonylphenols and their maximum tolerable concentration in direct contact with semen from boars was studied. Motility, viability, mitochondrial activity and acrosomes reacted were significantly affected at 10 mg/Kg of nonylphenols in contact with the sperm, but in vitro penetration rate was significantly decreased with only 2 mg/Kg. Insight into the mode of action is also provided.
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Affiliation(s)
- Cristina Nerín
- Department of Analytical Chemistry, GUIA Group, I3A, EINA, University of Zaragoza, María de Luna 3, 50018, Zaragoza, Spain.
| | - Qi-Zhi Su
- Department of Analytical Chemistry, GUIA Group, I3A, EINA, University of Zaragoza, María de Luna 3, 50018, Zaragoza, Spain
| | - Paula Vera
- Department of Analytical Chemistry, GUIA Group, I3A, EINA, University of Zaragoza, María de Luna 3, 50018, Zaragoza, Spain
| | - Noelia Mendoza
- Department of Research and Development, Magapor SL, 50600 Ejea de los Caballeros, Zaragoza, Spain
| | - Raquel Ausejo
- Department of Research and Development, Magapor SL, 50600 Ejea de los Caballeros, Zaragoza, Spain
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28
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Zhang L, Yang J, Li H, You J, Chatterjee N, Zhang X. Development of the transcriptome for a sediment ecotoxicological model species, Chironomus dilutus. CHEMOSPHERE 2020; 244:125541. [PMID: 32050339 DOI: 10.1016/j.chemosphere.2019.125541] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/04/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
Chironomus dilutus is a prominent model species in conventional sediment toxicity testing and sediment contamination diagnosis. However, lack of genomic data significantly limited its application in identifying toxicological mode of action (MOA) and molecular biomarkers of toxicants. Here the transcriptome of C. dilutus in full life span and both sexes (1st, 2nd, 3rd and 4th instar larvae, pupae, and adults) were developed and temporal gene expression across adjacent life stages were investigated to understand the regulation of development. Furthermore, transcriptional response of Midges (the 4th instar larvae) exposed to chemicals of different MOAs (CdCl2, nonylphenol and triclosan) were profiled based on the reference transcriptome. Consequently, a complete transcriptome of 31132 unigenes with N50 of 3117bp, covering 98.8% of the arthropod single-copy orthologs were assembled. While 364 genes were differentially expressed among adjacent larval stages, 7142 and 2127 of transcripts were significantly changed for the transition of larvae-pupae and pupae-adults, respectively. Finally, chemical-specific gene expression profile were identified in the midges, showed its potential in classifying distinct contaminants. Overall, the comprehensive transcriptome of C. dilutus developed here could not only facilitate the mechanistic understanding of environmental toxicants during critical life stage of aquatic insects, but also provide molecular diagnostic tools in sediment ecotoxicology.
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Affiliation(s)
- Lijuan Zhang
- State Key Laboratory of Pollution Control & Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Jianghua Yang
- State Key Laboratory of Pollution Control & Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Huizhen Li
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, Guangdong, 510632, China.
| | - Jing You
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Nivedita Chatterjee
- State Key Laboratory of Pollution Control & Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Xiaowei Zhang
- State Key Laboratory of Pollution Control & Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu, 210023, China.
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29
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Che X, Fang Y, You M, Xu Y, Wang Y. Exposure to nonylphenol in early life increases pro-inflammatory cytokines in the prefrontal cortex: Involvement of gut-brain communication. Chem Biol Interact 2020; 323:109076. [PMID: 32240654 DOI: 10.1016/j.cbi.2020.109076] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/26/2020] [Accepted: 03/25/2020] [Indexed: 12/31/2022]
Abstract
A growing body of evidence indicates that exposure to nonylphenol (NP), a typical persistent organic pollutant (POP), in early life results in the impairment of the central nervous system (CNS), but the underlying mechanism still remains to be elucidated. High levels of pro-inflammatory cytokines in the brain have been implicated in the CNS damages. The animal model of exposure to NP in early life was established by maternal gavage during the pregnancy and lactation in the present study. We found that exposure to NP in early life increased the levels of pro-inflammatory cytokines in the rat prefrontal cortex. Interestingly, the levels of pro-inflammatory cytokines in the intestine as well as in the serum were also increased by NP exposure. Furthermore, the increased permeability of intestinal barrier and blood-brain barrier (BBB), two critical barriers in the gut to brain communication, was observed in the rats exposed to NP in early lives. The decreased expression of zonula occludens-1 (ZO-1) and claudin-1 (CLDN-1), tight junction proteins (TJs) that responsible for maintaining the permeability of intestinal barrier and BBB, was found, which may underlie these increases in permeability. Taken together, these results suggested that the disturbed gut-brain communication may contribute to the increased levels of pro-inflammatory cytokines in the prefrontal cortex caused by NP exposure in early life.
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Affiliation(s)
- Xiaoyu Che
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Yawen Fang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Mingdan You
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Yuanyuan Xu
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Yi Wang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, People's Republic of China.
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30
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Liu F, Zhang Y, Zhang M, Luo Q, Cao X, Cui C, Lin K, Huang K. Toxicological assessment and underlying mechanisms of tetrabromobisphenol A exposure on the soil nematode Caenorhabditis elegans. CHEMOSPHERE 2020; 242:125078. [PMID: 31704520 DOI: 10.1016/j.chemosphere.2019.125078] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 10/04/2019] [Accepted: 10/07/2019] [Indexed: 05/19/2023]
Abstract
The widespread use of tetrabromobisphenol A (TBBPA) in industries has resulted in its frequent detection in environmental matrices, and the mechanisms of its associated hazards need further investigation. In this study, the nematode Caenorhabditis elegans (C. elegans) was exposed to environmentally relevant concentrations of TBBPA (0, 0.1, 1, 10, 100, 200 μg/L) to determine its effects. At TBBPA concentrations above 1 μg/L, the number of head thrashes, as the most sensitive physiological indicator, decreased significantly. Using the Illumina HiSeq™ 2000 sequencer, differentially expressed genes (DEGs) were determined, and 52 were down regulated and 105 were up regulated in the 200 μg/L TBBPA treatment group versus the control group. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway database analysis demonstrated that dorso-ventral axis formation is related to neurotoxicity; metabolism of xenobiotics by Cytochrome P450 (CYP450) and glutathione-S-transferase (GST) was found to be the vital metabolic mechanisms and were confirmed by quantitative real-time polymerase chain reaction (qRT-PCR). GST was ascribed to the augmentation because mutations in cyp-13A7 were constrained under TBBPA exposure. Additionally, oxidative stress indicators accumulated in a dose-dependent relationship. These results will help understand the molecular basis for TBBPA-induced toxicity in C. elegans and open novel avenues for facilitating the exploration of more efficient strategies against TBBPA toxicity.
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Affiliation(s)
- Fuwen Liu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Ying Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Meng Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Qishi Luo
- Branch of Shanghai, Yonker Environmental Protection Co., Ltd, Shanghai, 200051, China
| | - Xue Cao
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Changzheng Cui
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Kuangfei Lin
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Kai Huang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
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31
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Liu F, Luo Q, Zhang Y, Huang K, Cao X, Cui C, Lin K, Zhang M. Trans-generational effect of neurotoxicity and related stress response in Caenorhabditis elegans exposed to tetrabromobisphenol A. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 703:134920. [PMID: 31744693 DOI: 10.1016/j.scitotenv.2019.134920] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/02/2019] [Accepted: 10/09/2019] [Indexed: 06/10/2023]
Abstract
Tetrabromobisphenol A (TBBPA), one of the most common brominated flame retardants, has been associated with immunotoxicity, neurotoxicity, and reproductive toxicity. However, little attention has been focused on understanding the trans-generational effects of TBBPA. The present study used the Caenorhabditis elegans (C. elegans) animal model to evaluate the trans-generational effects of neurotoxicity induced by environmentally relevant concentrations of TBBPA (0, 0.1, 1, 10, 100, and 1000 µg/L). Multiple indicators including physiological effects (body length, brood size, head thrashes, body bends, and crawling trajectory), degree of neuronal damage (dopamine, GABAergic, and glutamatergic neurons), oxidative stress-related biochemical indicators (superoxide dismutase [SOD] activity, catalase [CAT] enzyme, malondialdehyde [MDA] production, and reactive oxygen species [ROS] accumulation), and stress-related gene expressions have been evaluated in the exposed parental C. elegans generation (G1) and their progeny (G2) under TBBPA-free conditions. The results showed that TBBPA exposure induced adverse effects on physiological endpoints, among which body bends and head thrashes were the most sensitive ones, detected above 1 µg/L in G1 and 100 µg/L in G2 nematodes, respectively. After contaminant exposure, the three neurons revealed damage related to neurobehavioral endpoints, with no hereditary effects in the progeny. The oxidative stress-related biochemical endpoints demonstrated that when the exposure concentrations were above 1 µg/L in maternal worms, impairment can be detected in both generations, but the progeny recovered at low toxicity concentration (1-100 µg/L). The integrated target gene expression profiles were clearly altered in G1 and G2 worms at concentrations between 1 and 1000 µg/L, and a more significant difference existed in two generations of nematodes at low levels (1-10 µg/L) of TBBPA. Studing trans-generational neurotoxicity and the underlying mechanism can generate a precise evaluation of the environmental risk of TBBPA.
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Affiliation(s)
- Fuwen Liu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Qishi Luo
- Branch of Shanghai, Yonker Environmental Protection Co., Ltd, Shanghai 200051, China
| | - Ying Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kai Huang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xue Cao
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Changzheng Cui
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Branch of Shanghai, Yonker Environmental Protection Co., Ltd, Shanghai 200051, China
| | - Kuangfei Lin
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Meng Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China.
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32
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Kosnik MB, Planchart A, Marvel SW, Reif DM, Mattingly CJ. Integration of curated and high-throughput screening data to elucidate environmental influences on disease pathways. COMPUTATIONAL TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 12:100094. [PMID: 31453412 PMCID: PMC6709694 DOI: 10.1016/j.comtox.2019.100094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Addressing the complex relationship between public health and environmental exposure requires multiple types and sources of data. An important source of chemical data derives from high-throughput screening (HTS) efforts, such as the Tox21/ToxCast program, which aim to identify chemical hazard using primarily in vitro assays to probe toxicity. While most of these assays target specific genes, assessing the disease-relevance of these assays remains challenging. Integration with additional data sets may help to resolve these questions by providing broader context for individual assay results. The Comparative Toxicogenomics Database (CTD), a publicly available database that builds networks of chemical, gene, and disease information from manually curated literature sources, offers a promising solution for contextual integration with HTS data. Here, we tested the value of integrating data across Tox21/ToxCast and CTD by linking elements common to both databases (i.e., assays, genes, and chemicals). Using polymarcine and Parkinson's disease as a case study, we found that their union significantly increased chemical-gene associations and disease-pathway coverage. Integration also enabled new disease associations to be made with HTS assays, expanding coverage of chemical-gene data associated with diseases. We demonstrate how integration enables development of predictive adverse outcome pathways using 4-nonylphenol, branched as an example. Thus, we demonstrate enhancements to each data source through database integration, including scenarios where HTS data can efficiently probe chemical space that may be understudied in the literature, as well as how CTD can add biological context to those results.
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Affiliation(s)
- Marissa B. Kosnik
- Toxicology Program, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Bioinformatics Research Center, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Department of Biological Sciences, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
| | - Antonio Planchart
- Toxicology Program, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Department of Biological Sciences, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27695-7617, United States
| | - Skylar W. Marvel
- Bioinformatics Research Center, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Department of Biological Sciences, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
| | - David M. Reif
- Toxicology Program, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Bioinformatics Research Center, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Department of Biological Sciences, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27695-7617, United States
| | - Carolyn J. Mattingly
- Toxicology Program, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Department of Biological Sciences, North Carolina State University, North Carolina State University, Raleigh, NC 27695-7617, United States
- Center for Human Health and the Environment, North Carolina State University, Raleigh, NC 27695-7617, United States
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Xu S, Zhou S, Xing L, Shi P, Shi W, Zhou Q, Pan Y, Song MY, Li A. Fate of organic micropollutants and their biological effects in a drinking water source treated by a field-scale constructed wetland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 682:756-764. [PMID: 31132639 DOI: 10.1016/j.scitotenv.2019.05.151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/09/2019] [Accepted: 05/11/2019] [Indexed: 05/12/2023]
Abstract
The safety of drinking water is directly related to the occurrence and concentrations of numerous organic micropollutants (OMPs) in source water. In this study, an approach integrating in vitro bioassays and chemical analyses was used to assess the purification effects of a field-scale constructed wetland on the fates of OMPs and their relevant toxicities and health risks in both summer and winter. Overall, 45 of 86 OMPs, including polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), organophosphorus pesticides (OPPs), and phthalates (PAEs), were detected in at least one of the water samples. The constructed wetland significantly decreased the concentrations of most types of OMPs, while showed negative effects on the PAEs and OPPs. Toxicological evaluation of water samples indicated that the cytotoxicity, reactive oxygen species (ROS) level and anti-androgen (Ant-AR) activity were all dramatically decreased after the constructed wetland treatment. PAEs and PAHs were the dominant contributors and accounted for 75.12-97.48% of the predicted Ant-AR potencies, while the total predicted Ant-AR potencies only contributed 3.13-15.97% of the observed Ant-AR potencies in the examined water samples, suggesting more OMPs that pose toxic effects are still undetected. The human health risk assessment demonstrated that noncarcinogenic risks of the water samples were acceptable. However, potential carcinogenic risks that were mainly induced by 2, 6-dinitrotoluene, 2, 4-dinitrotoluene, pentachlorophenol and PAEs cannot be ignored. This study can help to understand the role of constructed wetlands in removing OMPs and biological effects from drinking water sources.
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Affiliation(s)
- Shuhui Xu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Sicong Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; Jiangsu Province Key Laboratory of Environmental Engineering, Jiangsu Provincial Academy of Environmental Science, Nanjing 210036, China
| | - Liqun Xing
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; Nanjing University, Yancheng Academy of Environmental Protection Technology and Engineering, Yancheng 224000, China
| | - Peng Shi
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
| | - Wei Shi
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Qing Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Yang Pan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Mao-Yong Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
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Developmental exposure to nonylphenol induced rat axonal injury in vivo and in vitro. Arch Toxicol 2019; 93:2673-2687. [DOI: 10.1007/s00204-019-02536-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 08/14/2019] [Indexed: 01/20/2023]
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Li M, You M, Li S, Qiu Z, Wang Y. Effects of maternal exposure to nonylphenol on learning and memory in offspring involve inhibition of BDNF-PI3K/Akt signaling. Brain Res Bull 2019; 146:270-278. [PMID: 30660719 DOI: 10.1016/j.brainresbull.2019.01.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 01/10/2019] [Accepted: 01/13/2019] [Indexed: 12/21/2022]
Abstract
Nonylphenol (NP), a global environmental pollutant, has been found to result in impairments of neurodevelopment. However, effects of maternal exposure to NP on learning and memory and the potential mechanisms are largely unexplored. Thus, we treated dams with NP during gestation and lactation to study its effect on learning and memory in offspring. Morris water maze (MWM) task and the electrophysiological recording in the hippocampus were conducted in pups. We also investigated the activation of BDNF-PI3K/Akt signaling and the expression of its target protein PSD-95 in offspring hippocampus, which are curial for the synaptic plasticity and learning and memory. The results showed that maternal exposure to NP led to poor performance in MWM task and especially impairments of long-term potentiation (LTP), although the termination of NP exposure was at the end of lactation. Meanwhile, maternal exposure to NP also decreased the activation of BDNF-PI3K/Akt signaling and the protein level of PSD-95. Taken together, our results support the hypothesis that maternal exposure to NP during gestation and lactation causes damages to learning and memory. In addition, suppressed activation of the BDNF-PI3K/Akt signaling may contribute to these impairments caused by maternal exposure to NP.
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Affiliation(s)
- Mei Li
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, PR China
| | - Mingdan You
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, PR China
| | - Siyao Li
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, PR China
| | - Zhenmin Qiu
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, PR China
| | - Yi Wang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, PR China.
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Cao X, Wang X, Chen H, Li H, Tariq M, Wang C, Zhou Y, Liu Y. Neurotoxicity of nonylphenol exposure on Caenorhabditis elegans induced by reactive oxidative species and disturbance synthesis of serotonin. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 244:947-957. [PMID: 30469289 DOI: 10.1016/j.envpol.2018.09.140] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 09/23/2018] [Accepted: 09/28/2018] [Indexed: 05/27/2023]
Abstract
The present study was performed to evaluate the neurobehavioural deficit induced by nonylphenol (NP), a well-known xenobiotic chemical. The neurotoxic mechanism from oxidative stress and serotonin-related progress was also investigated. Caenorhabditis elegans was exposed at different levels of NP ranging from 0 to 200 μg L-1 for 10 days. The results revealed that from a relatively low concentration (i.e., 10 μg L-1), significant effects including decreased head thrashes, body bends and forging behaviour could be observed, along with impaired learning and memory behaviour plasticity. The level of reactive oxygen species (ROS) in head was significantly elevated with the increase of NP concentrations from 10 to 200 μg L-1. Through antioxidant experiment, the oxidative damage caused by NP restored to some extent. At a NP concentration of 200 μg L-1, the significant increased expression of stress-related genes, including sod-1, sod-3, ctl-2, ctl-3 and cyp-35A2 gene, was observed from integrated gene expression profiles. In addition, in comparison with wild-type N2 worms, the ROS accumulation was increased significantly with the mutation of sod-3. Tryptophan hydroxylase (TPH) in ADF and NSM neurons sharply decreased at the concentrations of 10-200 μg L-1. The transcription of TPH synthesis-related genes and serotonin-related genes were both suppressed, including tph-1, cat-1, cat-4, ser-1, and mod-5. Overall, these results indicated that NP could induce neurotoxicity on Caenorhabditis elegans through excessive induction of ROS and disturbance synthesis of serotonin. The conducted research opened up new avenues for more effective exploration of neurotoxicity caused by NP.
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Affiliation(s)
- Xue Cao
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Xiaoli Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Haibo Chen
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China
| | - Hui Li
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Muhammad Tariq
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Chen Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Yuanyuan Zhou
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Yongdi Liu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
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You M, Gu W, Li M, Qiu Z, Li S, Jiang Z, Yao D, Xu Y, Wang Y. Perinatal exposure to nonylphenol impairs dendritic outgrowth of cerebellar Purkinje cells in progeny. CHEMOSPHERE 2018; 211:758-766. [PMID: 30099160 DOI: 10.1016/j.chemosphere.2018.08.007] [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: 01/22/2018] [Revised: 07/29/2018] [Accepted: 08/02/2018] [Indexed: 06/08/2023]
Abstract
Nonylphenol (NP) is a commercially produced nonionic surfactant that has become a global environmental pollutant due to poor biodegradability. Many studies have confirmed that NP has detrimental effects on the central nervous system. However, the damaging roles of NP on the cerebellum and the underlying mechanisms remain unclear. Therefore, we investigated the effects of perinatal exposure to NP on cerebellar Purkinje cell (PC) dendrites and explored the potential mechanism involved. The animal model of perinatal exposure to NP was established by orally administering dams with either corn oil or NP (10, 50, or 100 mg/kg) during pregnancy and lactation. Offspring subjected to NP exposure during pregnancy and lactation had shorter and fewer cerebellar PC dendritic branches in childhood (postnatal day (PND)21) and adulthood (PND80). Contrary to expectations, perinatal NP treatment increased phosphorylation of protein kinase C gamma on PND21, but not on PND80. However, perinatal exposure to NP decreased phosphorylation of stathmin and tropomyosin-related kinase B (TrkB), as well as the expression of brain derived neurotrophic factor (BDNF) in cerebellar PCs on PND21 and PND80. These results indicate that perinatal exposure to NP irreversibly inhibited dendritic growth of PCs in the cerebella of offspring. Furthermore, the irreversible damage to PC dendrites in the cerebella of offspring subjected to perinatal NP exposure may be due to increased stathmin activity mediated by BDNF-TrkB signaling.
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Affiliation(s)
- Mingdan You
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Weijia Gu
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Mei Li
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Zhenmin Qiu
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Siyao Li
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Zhixin Jiang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Dianqi Yao
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Yuanyuan Xu
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Yi Wang
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China.
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Acir IH, Guenther K. Endocrine-disrupting metabolites of alkylphenol ethoxylates - A critical review of analytical methods, environmental occurrences, toxicity, and regulation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 635:1530-1546. [PMID: 29874777 DOI: 10.1016/j.scitotenv.2018.04.079] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/03/2018] [Accepted: 04/05/2018] [Indexed: 05/07/2023]
Abstract
Despite the fact that metabolites of alkylphenol ethoxylates (APEO) are classified as hazardous substances, they continue to be released into the environment from a variety of sources and are not usually monitored. Their wide use has led to an increase in the possible exposure pathways for humans, which is cause for alarm. Moreover, there is a lack of knowledge about the behaviour of these metabolites with respect to the environment and toxicity, and their biological effects on human health. The aim of this work is to give an overview of the APEO metabolites and their analysis, occurrences and toxicity in various environmental and human samples. APEO metabolites have adverse effects on humans, wildlife, and the environment through their release into the environment. Currently, there are some reviews available on the behaviour of alkylphenols in soil, sediments, groundwater, surface water and food. However, none of these articles consider their toxicity in humans and especially their effect on the nervous and immune system. This work summarises the environmental occurrences of metabolites of APEOs in matrices, e.g. water, food and biological matrices, their effect on the immune and nervous systems, and isomer-specific issues. With that emphasis we are able to cover most common occurrences of human exposure, whether direct or indirect.
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Affiliation(s)
- Ismail-H Acir
- University of Bonn, Institute of Nutrition and Food Sciences, Food Chemistry, Endenicher Allee 11-13, D-53115 Bonn, Germany
| | - Klaus Guenther
- University of Bonn, Institute of Nutrition and Food Sciences, Food Chemistry, Endenicher Allee 11-13, D-53115 Bonn, Germany.
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Abstract
Endocrine-disrupting chemicals (EDCs) influence not only endocrine functions but also neuronal development and functions. In-vivo studies have suggested the relationship of EDC-induced neurobehavioral disorders with dysfunctions of neurotransmitter mechanisms including γ-aminobutyric acid (GABA)ergic mechanisms. However, whether EDCs affect GABAergic neuron differentiation remains unclear. In the present study, we show that a representative EDC, bisphenol A (BPA), affects GABAergic neuron differentiation. Cortical neurospheres prepared from embryonic mice were exposed to BPA for 7 days, and then neuronal differentiation was induced. We found that BPA exposure resulted in a decrease in the ratio of GABAergic neurons to total neurons. However, the same exposure stimulated the differentiation of neurons expressing calbindin, a calcium-binding protein observed in a subpopulation of GABAergic neurons. These findings suggested that BPA might influence the formation of an inhibitory neuronal network in developing cerebral cortex involved in the occurrence of neurobehavioral disorders.
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Kazemi S, Khalili-Fomeshi M, Akbari A, Kani SNM, Ahmadian SR, Ghasemi-Kasman M. The correlation between nonylphenol concentration in brain regions and resulting behavioral impairments. Brain Res Bull 2018. [DOI: 10.1016/j.brainresbull.2018.03.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Barrera-Díaz CE, Frontana-Uribe BA, Rodríguez-Peña M, Gomez-Palma JC, Bilyeu B. Integrated advanced oxidation process, ozonation-electrodegradation treatments, for nonylphenol removal in batch and continuous reactor. Catal Today 2018. [DOI: 10.1016/j.cattod.2017.09.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Yu J, Yang J, Luo Y, Mengxue Y, Li W, Yang Y, He L, Xu J. The adverse effects of chronic low-dose exposure to nonylphenol on type 2 diabetes mellitus in high sucrose-high fat diet-treated rats. Islets 2018; 10:1-9. [PMID: 29215945 PMCID: PMC5800374 DOI: 10.1080/19382014.2017.1404211] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVES Although it has been shown that exposure to environmental endocrine disruptors (EDCs) has been implicated as a potential risk factor for metabolic disease, information on adverse effect of chronic low-dose exposure to nonylphenol (NP), on the development and progress of type 2 diabetes mellitus (T2DM) is scarce. NP, as an EDC, is a ubiquitous degradation product of nonylphenol polyethoxylate (NPE) that is primarily used in cleaning and industrial processes. METHOD Eighty Sprague-Dawley rats were assigned into 8 groups (n = 10 per group): rats fed a normal-diet (ND) as the control (C-ND); rats fed a normal diet and were gavaged with NP at a dose level of 0.02 μg/kg/day (NP-L-ND), 0.2 μg/kg/day (NP-M-ND) or 2 μg/kg/day (NP-H-ND), respectively; rats fed a high-sucrose/high-fat diet (HSHFD) as the HSHFD control (C-HSHFD); rats fed a HSHFD and were gavaged with NP at a dose level of 0.02 μg/kg/day (NP-L-HSHFD), 0.2 μg/kg/day (NP-M-HSHFD) or 2 μg/kg/day (NP-H-HSHFD), respectively. RESULT On day 180, the rats in the groups treated with NP-M-HSHFD and NP-H-HSHFD showed significant increases in body weight (p < 0.05) in comparison with the C-ND group. Fast blood glucose (FBG) level in the NP-M-HSHFD and NP-H-HSHFD groups was higher than that in the C-ND group (F = 96.17, p < 0.001). The fast serum insulin (FINS) level of rats was lower in both the NP-M-HSHFD and NP-H-HSHFD groups compared with the C-ND group (F = 145.56, p < 0.001). Serum leptin (LEP) level in both the NP-M-HSHFD and NP-H-HSHFD groups was lower when compared with the C-ND group (F = 34.62, p < 0.001). The effect of NP at the dose level of 0.2 μg/kg/day on FBG, serum FINS and LEP levels in rats was greatest among the treatment groups (p < 0.05). Oral glucose tolerance test showed increased area under the curve (AUC) in treatment groups at week 12 (p < 0.05). A decrease of pancreatic islet numbers and size was exhibited in the pancreatic tissue of NP-M-HSHFD and NP-H-HSHFD treated rats compared with C-ND treated rats. Co-exposure to NP and HSHFD causes inflammatory changes histologically. CONCLUSION Chronic low-dose exposure to NP might induce impaired glucose tolerance, which further lead to insulin resistance, and pancreatic β cell insulin secretion deficiency, ultimately increase the risk of T2DM. Moreover, additive toxic effects of NP and HSHFD on pancreatic beta-cell function and glucose metabolism have been identified in rats as well.
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Affiliation(s)
- Jie Yu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Jin Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Ya Luo
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Yang Mengxue
- Department of Endocrinology, The First Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Wenmei Li
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Yu Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Liting He
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Jie Xu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
- CONTACT Jie Xu School of Public Health, Zunyi Medical College, Zunyi, Guizhou 563000, China
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Yu J, Yang X, Luo Y, Yang X, Yang M, Yang J, Zhou J, Gao F, He L, Xu J. Adverse effects of chronic exposure to nonylphenol on non-alcoholic fatty liver disease in male rats. PLoS One 2017; 12:e0180218. [PMID: 28686624 PMCID: PMC5501508 DOI: 10.1371/journal.pone.0180218] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 06/12/2017] [Indexed: 11/19/2022] Open
Abstract
Endocrine-disrupting chemical (EDC) has been thought to play a role in non-alcoholic fatty liver disease (NAFLD). However, the toxic effects of Nonylphenol (NP), an EDC, on non-alcoholic fatty liver disease have never been elaborated. This study aimed to investigate whether exposure to NP could induce NAFDL, a promoting effect of high-sucrose-high-fat diet (HSHFD) on the adverse effects caused by NP was evaluated. Fourth eight male rats were assigned to four groups and each group was treated with a specific testing sample: normal-diet (ND) control group (C-ND); normal diet plus NP (180mg/kg/day) group (NP-ND); high-sucrose-high-fat-diet control group (C-HSHFD); HSHFD plus NP (180mg/kg/day) group (NP-HSHFD). At the age of 80 day, sonogram presents diffusely increased hepatic echogenicity in the NP-HSHFD group. The oblique diameter of liver in the NP-HSHFD group was significantly bigger than that in both the C-ND and NP-ND groups. At the age of 90 day, exposure to NP-HSHFD and NP-ND caused a significant increase in NP concentration in liver as compared to the C-ND group. The rats in the groups treated with NP+ND, HSHFD and NP+HSHFD produced significant increases in the body weight, fat weight and FMI, respectively, when compared to the C-ND group. The liver weight and hepatosomatic indexes (HIS) of rats in the NP-HSHFD group are higher than those in the C-HSHFD group. Exposure to NP-HSHFD induced the increases in plasma alanine aminotransferase (ALT), aspartate aminotransferase (AST), cholesterol (TC), triglyceride (TG) and low density lipoprotein (LDL) as compared to the C-ND group. Morphological examination of liver tissue from rats exposed to NP+HSHFD shown steatosis with marked accumulation of lipid droplets, hepatocellular ballooning degeneration and inflammatory cell infiltration. Chronic exposure to NP might induce NAFLD in male rats. The high-sucrose-high-fat diet accelerates and exacerbates the development of NAFLD caused by NP exposure.
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Affiliation(s)
- Jie Yu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Xuesong Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Ya Luo
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Xuefeng Yang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, P.R. China
| | - Mengxue Yang
- Department of Endocrinology, The First Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, P.R. China
| | - Jin Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Jie Zhou
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Feng Gao
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Liting He
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
| | - Jie Xu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, P.R. of China
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Cha S, Baek JW, Ji HJ, Choi JH, Kim C, Lee MY, Hwang YJ, Yang E, Lee SH, Jung HI, Cheon YP. Disturbing Effects of Chronic Low-dose 4-Nonylphenol exposing on Gonadal Weight and Reproductive Outcome over One-generation. Dev Reprod 2017; 21:121-130. [PMID: 28785733 PMCID: PMC5532304 DOI: 10.12717/dr.2017.21.2.121] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/05/2017] [Accepted: 04/07/2017] [Indexed: 12/05/2022]
Abstract
4-Nonylphenol (NP) is a surfactant that is a well-known and widespread estrogenic
endocrine disrupting chemical (EDC). Although it has been known that the
affinity of NP to ERs is low, it has been suggested that low-dose NP has
toxicity. In the present study, the endocrine disrupting effects on
reproduction, and the weight of gonads, epididymis, and uterus were evaluated
with the chronic lower-dose NP exposing. This study was designed by following
the OECD test guideline 443 and subjected to a complete necropsy. In male, NP
had an effect on the weight of the testis and epididymis in both F0
and F1. In females, NP decreased the weight of ovary and uterus in
F0 but not in pre-pubertal F1 pubs. Fertility of male
and female in F0 or F1 was no related with NP
administration. The number of caudal-epididymal sperm by body weight (BW) was
not different between groups in both F0 and F1. Besides,
the difference of the sperm number between generations was not detected. The
number of ovulated oocytes was similar between groups in F0, but
significantly decreased in NP 50 group of F1. The litter size and sex
ratios of offspring in F1 and F2 were not different. The
accumulated mating rate and gestation period were not affected by the NP
administration. Those results shows that chronic lower-dose NP administration
has an effect of endocrine disruptor on the weight of gonads and epididymis of
F0 and F1 but not in reproduction. Based on the
results, it is suggested that chronic lower-dose NP exposing causes endocrine
disruption in the weight of gonad and epididymis but not in the reproductive
ability of next generations.
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Affiliation(s)
- Sunyeong Cha
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Jeong Won Baek
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Hye Jin Ji
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Jun Hee Choi
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Chaelim Kim
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Min Young Lee
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Yeon Jeong Hwang
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Eunhyeok Yang
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
| | - Sung-Ho Lee
- Department of Lifesicence, Sangmyung University, Soeul 03016, Korea
| | - Hyo-Il Jung
- School of Mechanical Engineering, Yonsei University, Seoul 03722, Korea
| | - Yong-Pil Cheon
- Division of Developmental Biology and Physiology, School of Biological Sciences and Chemistry, Sungshin University, Seoul 02844, Korea
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Jie Y, Jie Z, Ya L, Xuesong Y, Jing Y, Yu Y, Jiaqi Y, Jie X. Pollution by Nonylphenol in river, tap water, and aquatic in an acid rain-plagued city in southwest China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2017; 27:179-190. [PMID: 28587474 DOI: 10.1080/09603123.2017.1332345] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE Nonylphenol (NP) has provoked much environmental concern because of their weak estrogenic activities; however, few data are available on the environmental levels of the chemical in China. METHOD Environmental or river samples were assayed for NP by high-performance liquid chromatography (HPLC) technique. RESULTS The concentration for NP measured in Xiangjiang River, ranging from 0.174 to 3.411 μg/L with a mean value of 1.73 μg/L, was lower than the Water Quality Criteria for NP of the US (6.6 μg/L); however, the NP concentration was maintained at a higher level compare to the developed countries and other civil cities. NP concentration in downstream water was markedly higher than that both in midstream and upstream water. Tissue accumulation of NP was observed in aquatics. A ratio of mean concentration of NP in aquatic (chlamys farreri and hemiculter leucisculus) to that in river water was 241 and 1087, respectively. The presence of NP in tap water in two urban districts of Zunyi was common with a detectable rate reached 100.0%. Mean NP concentration in terminal tap water in Huichuan district was six times as high as Honghuagang district, which was above Standards for the Drinking Water Quality for Phenols of China (2 μg/L). CONCLUSION The pollution of NP in Xiangjiang River, tap water, and aquatic in Zunyi belongs to moderate or severe level in the world.
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Affiliation(s)
- Yu Jie
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
| | - Zhou Jie
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
| | - Luo Ya
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
| | - Yang Xuesong
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
| | - Yang Jing
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
| | - Yang Yu
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
| | - Yang Jiaqi
- b Centers for Disease Control and Prevention , Huichuan District, Zunyi , P.R. China
| | - Xu Jie
- a School of Public Health , Zunyi Medical University , Zunyi , P.R. China
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Stengel D, Zindler F, Braunbeck T. An optimized method to assess ototoxic effects in the lateral line of zebrafish (Danio rerio) embryos. Comp Biochem Physiol C Toxicol Pharmacol 2017; 193:18-29. [PMID: 27847309 DOI: 10.1016/j.cbpc.2016.11.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 09/22/2016] [Accepted: 11/11/2016] [Indexed: 12/27/2022]
Abstract
In order to clarify the suitability of the lateral line of zebrafish (Danio rerio) embryos as a model for the screening of ototoxic (neurotoxic) effects, existing neuromast assays were adapted, improved and validated with a series of chemicals known or unknown for their ototoxic potential (caffeine copper sulfate, dichlorvos, 2.4-dinitrotoluene, neomycin, 4-nonylphenol, perfluorooctanesulfonic acid). Present methods were improved by (1) the introduction of a 4-step scoring system, (2) the selection of neuromasts from both the anterior and posterior lateral line systems, (3) a combined DASPEI/DAPI staining applied after both a continuous and pulse exposure scenario, and (4) an additional screening for nuclear fragmentation. Acute toxicities of the model substances were determined by means of the fish embryo test as specified in OECD TG 236, and EC10 concentrations were used as the highest test concentration in the neuromast assay. The enhanced neuromast assay identified known ototoxic substances such as neomycin and copper sulfate as ototoxic at sensitivities similar to those of established methods, with pulse exposure leading to stronger effects than continuous exposure. Except for caffeine, all substances tested (dichlorvos, 2.4-dinitrotoluene, 4-nonylphenol, perfluorooctanesulfonic acid) produced significant toxic effects in neuromasts at EC10 concentrations. Depending on the test substances and their location along the lateral line, specific neuromasts differed in sensitivity. Generally, neuromasts proved more sensitive in the pulse exposure scenario. Whereas for neomycin and copper sulfate neuromasts located along the anterior lateral line were more sensitive, posterior lateral line neuromasts proved more sensitive for the other test substances. Nuclear fragmentation could not only be associated with all test substances, but, albeit at lower frequencies, also with negative controls, and could, therefore, not be assigned specifically to chemical damage. The study thus documented that for a comprehensive evaluation of lateral line damage both neuromasts from the anterior and the posterior lateral line have to be considered. Given the apparently rapid regeneration of hair cells, pulse exposure seems more appropriate for the identification of lateral line neurotoxicity than continuous exposure.
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Affiliation(s)
- Daniel Stengel
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies (COS), University of Heidelberg, Im Neuenheimer Feld 120, D-69120 Heidelberg, Germany
| | - Florian Zindler
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies (COS), University of Heidelberg, Im Neuenheimer Feld 120, D-69120 Heidelberg, Germany
| | - Thomas Braunbeck
- Aquatic Ecology and Toxicology Group, Center for Organismal Studies (COS), University of Heidelberg, Im Neuenheimer Feld 120, D-69120 Heidelberg, Germany.
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47
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Noorimotlagh Z, Haghighi NJ, Ahmadimoghadam M, Rahim F. An updated systematic review on the possible effect of nonylphenol on male fertility. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:3298-3314. [PMID: 27826822 DOI: 10.1007/s11356-016-7960-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 10/20/2016] [Indexed: 05/20/2023]
Abstract
Diverse industries like detergents, resins and polymers, hair dyes, intravaginal spermicides, and pesticides produce endocrine disruptor (ED)-containing wastewaters that have hazardous effects on the environment and public health. Nonylphenol (NP) is a chemical substance that consists of a phenolic group and an attached lipophilic linear nonyl chain. NP has weak estrogenic activity and affects estrogen receptor (ER), as well as induces male infertility via a negative impact on spermatogenesis and sperm quality. The aim of this study was to comprehensively review all available literature about the side effects of NP on the male genital system. We systematically searched Scopus and PubMed using MeSH terms that include "Organic Chemicals," "Infertility," "Infertility, Male," "Nonylphenol", ("Infertility, Male"[Mesh]) OR "Nonylphenol" [Supplementary Concept]) OR "Prostate"[Mesh]) OR "Spermatozoa"[Mesh]) OR "Sertoli Cells"[Mesh]) OR "Leydig Cells"[Mesh] OR "Male accessory gland" OR "Epididym" OR "Reproductive toxicity"), and all other possible combinations from January 1, 1970, to September 15, 2016, with language limit. The initial search identified 117,742 potentially eligible studies, of which 33 met the established inclusion criteria and were included in the analysis. Thirty-three selected studies include animal model (n = 18), cell line (n = 15), human model (n = 1), morphology (n = 13), sperm quality (n = 17), and toxicity (n = 14). This review highlighted the evidence for the ED effect of NP that acts through interference with ER, discussing male reproductive tract perturbations. We critically discuss the available evidence on the effect of NP on sperm quality (such as motility, viability, sperm count, and sperm concentration), dramatic morphological changes (such as change of weights of testes and epididymis), and biochemical changes related to oxidative stress in testes. Finally, it is important to take caution with the continued use of NP that disrupts male reproductive health.
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Affiliation(s)
- Zahra Noorimotlagh
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Neemat Jaafarzadeh Haghighi
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Environmental Health Engineering, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mehdi Ahmadimoghadam
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Department of Environmental Health Engineering, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fakher Rahim
- PhD in Molecular Medicine, Health Research Institute, Thalassemia and Hemoglobinopathies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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48
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Yu J, Luo Y, Yang XF, Yang MX, Yang J, Yang XS, Zhou J, Gao F, He LT, Xu J. Effects of perinatal exposure to nonylphenol on delivery outcomes of pregnant rats and inflammatory hepatic injury in newborn rats. ACTA ACUST UNITED AC 2016; 49:e5647. [PMID: 27982282 PMCID: PMC5188856 DOI: 10.1590/1414-431x20165647] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 10/21/2016] [Indexed: 11/29/2022]
Abstract
The current study aimed to investigate the effects of perinatal exposure to
nonylphenol (NP) on delivery outcome of pregnant rats and subsequent inflammatory
hepatic injury in newborn rats. The pregnant rats were divided into 2 groups: control
group (corn oil) and NP exposure group. Thirty-four pregnant rats were administered
NP or corn oil by gavage from the sixth day of pregnancy to 21 days postpartum, with
blood samples collected at 12 and 21 days of pregnancy and 60 days after delivery.
The NP concentration was measured by HPLC, with chemiluminescence used for detection
of estrogen and progesterone levels. Maternal delivery parameters were also observed.
Liver and blood of the newborn rats were collected and subjected to automatic
biochemical detection of liver function and blood lipid analyzer
(immunoturbidimetry), and ultrastructural observation of the hepatic microstructure,
with the TNF-α and IL-1β hepatic tissue levels evaluated by immunohistochemistry.
Compared with the control group, the pregnant and postpartum serum NP and estradiol
levels of the mother rats in the NP group were significantly increased, together with
lowered progesterone level, increased number of threatened abortion and dystocia, and
fewer newborn rats and lower litter weight. Serum and hepatic NP levels of the
newborn rats measured 60 days after birth were significantly higher than those of the
control group, as well as lower testosterone levels and increased estradiol levels.
When observed under electron microscope, the hepatocyte nuclei of the control group
were large and round, with evenly distributed chromatin. The chromatin of hepatocytes
in the NP group presented deep staining of the nuclei, significant lipid decrease in
the cytoplasm, and the majority of cells bonded with lysate. The results of
immunohistochemistry showed that there was almost no TNF-α or IL-1β expression in the
hepatocytes of the control group, while the number of TNF-α-, PCNA-, and
IL-1β-positive cells in the NP group was increased, with higher integral optical
density than the control group. Compared to the control group, the serum levels of
alanine aminotransferase, aspartate aminotransferase, triglyceride and low-density
lipoprotein in the newborn rats of the NP group were significantly increased. There
was no significant difference in the serum level of high-density lipoprotein or
cholesterol between the groups. Perinatal exposure to NP can interfere with the
in vivo estrogen and progesterone levels of pregnant rats,
resulting in threatened abortion, dystocia and other adverse delivery outcomes. High
liver and serum NP levels of the newborn rats led to alteration of liver tissue
structure and function. The NP-induced hepatotoxicity is probably mediated by
inflammatory cytokines TNF-α and IL-1α.
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Affiliation(s)
- J Yu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Y Luo
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - X F Yang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - M X Yang
- Department of Endocrinology, The First Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - J Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - X S Yang
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - J Zhou
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - F Gao
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - L T He
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - J Xu
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
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Uchida M, Hirano M, Ishibashi H, Kobayashi J, Kagami Y, Koyanagi A, Kusano T, Koga M, Arizono K. Transcriptional response of mysid crustacean, Americamysis bahia, is affected by subchronic exposure to nonylphenol. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 133:360-365. [PMID: 27497080 DOI: 10.1016/j.ecoenv.2016.07.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 07/19/2016] [Accepted: 07/25/2016] [Indexed: 06/06/2023]
Abstract
Nonylphenol (NP) has been classified as an endocrine-disrupting chemical. In this study, we conducted mysid DNA microarray analysis with which has 2240 oligo DNA probes to observe differential gene expressions in mysid crustacean (Americamysis bahia) exposed to 1, 3, 10 and 30 μg/l of NP for 14 days. As a result, we found 31, 27, 39 and 68 genes were differentially expressed in the respective concentrations. Among these genes, the expressions of five particular genes were regulated in a similar manner at all concentrations of the NP exposure. So, we focused on one gene encoding cuticle protein, and another encoding cuticular protein analogous to peritrophins 1-H precursor. These genes were down-regulated by NP exposure in a dose-dependent manner, and it suggested that they were related in a reduction of the number of molting in mysids. Thus, they might become useful molecular biomarker candidates to evaluate molting inhibition in mysids.
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Affiliation(s)
- Masaya Uchida
- Mizuki biotech, Co., Ltd., 1-1 Hyakunenkouen, Kurume, Fukuoka 839-0864, Japan
| | - Masashi Hirano
- Center for Marine Environmental Studies (CMES), Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan; Department of Biological and Chemical Systems Engineering, National Institute of Technology, Kumamoto College, 2627 Hirayama-shinmachi, Yatsushiro, Kumamoto 866-8501, Japan
| | - Hiroshi Ishibashi
- Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime 790-8566, Japan
| | - Jun Kobayashi
- Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, 3-1-100 Higashi-ku, Tsukide, Kumamoto 862-8502, Japan
| | - Yoshihiro Kagami
- Mizuki biotech, Co., Ltd., 1-1 Hyakunenkouen, Kurume, Fukuoka 839-0864, Japan
| | - Akiko Koyanagi
- Mizuki biotech, Co., Ltd., 1-1 Hyakunenkouen, Kurume, Fukuoka 839-0864, Japan
| | - Teruhiko Kusano
- Mizuki biotech, Co., Ltd., 1-1 Hyakunenkouen, Kurume, Fukuoka 839-0864, Japan
| | - Minoru Koga
- Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, 3-1-100 Higashi-ku, Tsukide, Kumamoto 862-8502, Japan
| | - Koji Arizono
- Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, 3-1-100 Higashi-ku, Tsukide, Kumamoto 862-8502, Japan.
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50
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Boulangé-Lecomte C, Rocher B, Cailleaud K, Cosette P, Legrand E, Devreker D, Budzinski H, Souissi S, Forget-Leray J. Differential protein expression in the estuarine copepod Eurytemora affinis after diuron and alkylphenol exposures. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2016; 35:1860-1871. [PMID: 26677818 DOI: 10.1002/etc.3343] [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: 08/24/2015] [Revised: 10/06/2015] [Accepted: 12/13/2015] [Indexed: 06/05/2023]
Abstract
Proteomics was used in the calanoid copepod Eurytemora affinis for screening of protein expression modifications induced by organic contaminants. The copepods were exposed in a continuous flow-through system for 86 h to environmentally relevant concentrations of contaminants representative of the pollution in the Seine Estuary (Haute-Normandie, France; diuron, 500 ng L(-1) ; alkylphenol mixture, 1000 ng L(-1) ). Proteome analysis of whole-body copepod extracts by 2-dimensional gel electrophoresis revealed that the contaminants induced modifications in protein expression, with the highest quantitative variations occurring after diuron exposure. Specifically, 88 and 41 proteins were differentially expressed after diuron and alkylphenol treatments, respectively. After mass spectrometry analysis, 51 (diuron exposure) and 15 (alkylphenol exposure) proteins were identified. The identified proteins were potentially related to energy metabolism, cell growth, nervous signal conductivity, excitotoxicity, oxidative stress response, and antioxidant defense. The data suggest a massive general disturbance of physiological functions of E. affinis after diuron exposure, whereas alkylphenols induced an alteration of a few targeted physiological functions. The protein expression signatures identified after contaminant exposure deserve further investigation in terms of the development of novel potential biomarkers for water quality assessment. Environ Toxicol Chem 2016;35:1860-1871. © 2015 SETAC.
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Affiliation(s)
- Céline Boulangé-Lecomte
- UMR-I 02 Laboratoire Stress Environnementaux et BIOsurveillance des milieux aquatiques (SEBIO), FR CNRS 3730 SCALE, University of Le Havre, Normandy University, Le Havre, France
| | - Béatrice Rocher
- UMR-I 02 Laboratoire Stress Environnementaux et BIOsurveillance des milieux aquatiques (SEBIO), FR CNRS 3730 SCALE, University of Le Havre, Normandy University, Le Havre, France
| | - Kévin Cailleaud
- UMR-I 02 Laboratoire Stress Environnementaux et BIOsurveillance des milieux aquatiques (SEBIO), FR CNRS 3730 SCALE, University of Le Havre, Normandy University, Le Havre, France
- UMR CNRS 5805, Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC), Laboratoire de Physico- et Toxico-Chimie de l'environnement (LPTC), Bordeaux University, Talence, France
- UMR CNRS 8187 Laboratoire d'Océanologie et de Géosciences (LOG), Wimereux Marine Station, Lille 1 University, Wimereux, France
| | - Pascal Cosette
- UMR CNRS 6270, Laboratoire Polymères-Biopolymères-Surfaces (LPBS), University of Rouen, Normandy University, Mont-Saint-Aignan, France
| | - Eléna Legrand
- UMR-I 02 Laboratoire Stress Environnementaux et BIOsurveillance des milieux aquatiques (SEBIO), FR CNRS 3730 SCALE, University of Le Havre, Normandy University, Le Havre, France
| | - David Devreker
- UMR CNRS 8187 Laboratoire d'Océanologie et de Géosciences (LOG), Wimereux Marine Station, Lille 1 University, Wimereux, France
| | - Hélène Budzinski
- UMR CNRS 5805, Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC), Laboratoire de Physico- et Toxico-Chimie de l'environnement (LPTC), Bordeaux University, Talence, France
| | - Sami Souissi
- UMR CNRS 8187 Laboratoire d'Océanologie et de Géosciences (LOG), Wimereux Marine Station, Lille 1 University, Wimereux, France
| | - Joëlle Forget-Leray
- UMR-I 02 Laboratoire Stress Environnementaux et BIOsurveillance des milieux aquatiques (SEBIO), FR CNRS 3730 SCALE, University of Le Havre, Normandy University, Le Havre, France
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