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Arabnezhad MR, Haghani F, Ghaffarian-Bahraman A, Jafarzadeh E, Mohammadi H, Yadegari JG, Farkhondeh T, Aschner M, Darroudi M, Marouzi S, Samarghandian S. Involvement of Nrf2 Signaling in Lead-induced Toxicity. Curr Med Chem 2024; 31:3529-3549. [PMID: 37221680 DOI: 10.2174/0929867330666230522143341] [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: 12/10/2022] [Revised: 03/19/2023] [Accepted: 03/31/2023] [Indexed: 05/25/2023]
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) is used as one of the main protective factors against various pathological processes, as it regulates cells resistant to oxidation. Several studies have extensively explored the relationship between environmental exposure to heavy metals, particularly lead (Pb), and the development of various human diseases. These metals have been reported to be able to, directly and indirectly, induce the production of reactive oxygen species (ROS) and cause oxidative stress in various organs. Since Nrf2 signaling is important in maintaining redox status, it has a dual role depending on the specific biological context. On the one hand, Nrf2 provides a protective mechanism against metal-induced toxicity; on the other hand, it can induce metalinduced carcinogenesis upon prolonged exposure and activation. Therefore, the aim of this review was to summarize the latest knowledge on the functional interrelation between toxic metals, such as Pb and Nrf2 signaling.
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Affiliation(s)
- Mohammad-Reza Arabnezhad
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Fatemeh Haghani
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Ali Ghaffarian-Bahraman
- Occupational Environment Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Emad Jafarzadeh
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Hamidreza Mohammadi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Javad Ghasemian Yadegari
- Department of Pharmacognosy, Faculty of Pharmacy, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Tahereh Farkhondeh
- Department of Toxicology and Pharmacology, School of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Majid Darroudi
- Nuclear Medicine Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Somayeh Marouzi
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Samarghandian
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur 9318614139, Iran
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Dai Y, Zhang Y, Sun W, Chen Y, Wang X, Xin T, Wan B, Xia B, Zhong L, Zou Z. The metabolism and detoxification effects of lead exposure on Aleurolyphus ovatus (Acari: Acaridae) via transcriptome analysis. CHEMOSPHERE 2023; 333:138886. [PMID: 37164204 DOI: 10.1016/j.chemosphere.2023.138886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 05/01/2023] [Accepted: 05/06/2023] [Indexed: 05/12/2023]
Abstract
Aleurolyphus ovatus Troupeau is one of the most predominant species of the Acaridae family worldwide. Recent reports have demonstrated that the accumulation of lead in stored grains and dietary items exceeds the required standards. However, the molecular mechanism of heavy metal stress on mites has not been reported. To understand the mechanism underlying the heavy metal response of A. ovatus, comparative transcriptome analysis was performed in this study using an Illumina high throughput mRNA sequencing (RNA-seq) platform. A. ovatus was fed on artificial diets containing two different concentrations of lead, namely, a low concentration of 12.5 mg/kg (LAO) and a high concentration of 100 mg/kg (HAO), while the mites in the control (NAO) group were not exposed to lead. A total of 44,362 unigenes, with an average length of 1547 bp, were identified. Of these, 996 unigenes were successfully annotated in seven functional databases. The number of differentially expressed genes (DEGs) in A. ovatus under different lead concentrations was compared. In NAO versus LAO group, including 310 up-regulated and 1580 down-regulated DEGs. In NAO versus HAO group, including 3928 up-regulated and 1761 down-regulated DEGs. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment indicated that detoxification enzyme genes were significantly expressed in pathways, such as cytochrome P450 foreign body metabolism, glutathione metabolism and drug metabolism-cytochrome pathway. The results of gene annotation and quantitative real-time PCR showed that high concentration of lead significantly stimulated the expression of metabolic detoxification enzyme genes such as glutathione S transferase (GST) and superoxide dismutase (SOD), while low concentration inhibited their expression. This study will provide a basis for the molecular mechanism of A. ovatus in response to heavy metal lead stimulation in stored grain.
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Affiliation(s)
- Yi Dai
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Yu Zhang
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Wenxuan Sun
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Yajuan Chen
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Xi Wang
- School of Life Science, Nanchang University, Nanchang, 330031, China; Development & Service Center for Agriculture and Rural Industry of Jiangxi Province, Nanchang, 330096, China
| | - Tianrong Xin
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Bin Wan
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Bin Xia
- School of Life Science, Nanchang University, Nanchang, 330031, China
| | - Ling Zhong
- Development & Service Center for Agriculture and Rural Industry of Jiangxi Province, Nanchang, 330096, China
| | - Zhiwen Zou
- School of Life Science, Nanchang University, Nanchang, 330031, China; Jiangxi Provincial Key Laboratory of Interdisciplinary Science, Nanchang University, Nanchang, 330031, China.
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Li N, Zhao Y, Wang F, Song L, Qiao M, Wang T, Huang X. Folic acid alleviates lead acetate-mediated cardiotoxicity by down-regulating the expression levels of Nrf2, HO-1, GRP78, and CHOP proteins. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:55916-55927. [PMID: 35322363 DOI: 10.1007/s11356-022-19821-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
The purpose of this study was to explore the interventional effects of folic acid on the heart damage caused by lead acetate exposure. Twenty-four 60-day-old male Sprague-Dawley (SD) rats were randomly divided into 4 groups with 6 rats in each group. The control group (C group) was normal rats; the lead exposure group (L group) rats drank 0.2% lead acetate solution freely for 14 days. The rats in the intervention group (T group) were given 0.2% lead acetate solution for 14 days, respectively, and 0.4 mg/kg BW folic acid solution was given to the rats by gavage on the 7th day of lead administration. The rats in the folic acid group (group E) were given 0.4 mg/kg BW folic acid solution by gavage. To weigh rat body weight and heart weight, calculate heart index, and observe the expression level of nuclear factor erythroid 2-related factor 2(Nrf2), heme oxygenase 1(HO-1), glucose-regulated protein 78/binding immunoglobulin protein (GRP78), and C/EBP-homologous protein (CHOP) by immunofluorescence method. The results showed that compared with group C, serum lead levels in group L and T were significantly increased (P < 0.05); superoxide dismutase (SOD), glutathione (GSH), and glutathione peroxidase (GSH-PX) levels in group L were significantly decreased (P < 0.05), and malondialdehyde (MDA) content was significantly higher increased (P < 0.05), and the GSH-PX content in group T were significantly increased in group L (P < 0.05), and the MDA content in group T was significantly lower than that in group L (P < 0.05). Compared with group C, the expression of Nrf2, HO-1, GRP78, and CHOP in group L increased significantly, and the difference was statistically significant (P < 0.05). Compared with the L group, the expression of Nrf2, HO-1, GRP78, and CHOP in the T group was reduced. Therefore, folic acid has a certain protective effect on the oxidative damage of lead-exposed rat heart tissue. Lead exposure will increase ROS, NO, MDA, and other oxidizing substances and reduce the level of GSH, SOD, CAT, GPx, and other antioxidant factors, which will lead to cardiac hypertrophy, cardiac index increase, oxidative stress, Nrf2, and HO-1. The expression of stress-related proteins such as GRP78 and CHOP also increased, leading to cardiomyocyte apoptosis. After a folic acid intervention, these changes can be significantly reversed.
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Affiliation(s)
- Ning Li
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Yali Zhao
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Fangyu Wang
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Lianjun Song
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Mingwu Qiao
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Tianlin Wang
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Xianqing Huang
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
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Chen J, Guo Y, Huang S, Zhan H, Zhang M, Wang J, Shu Y. Integration of transcriptome and proteome reveals molecular mechanisms underlying stress responses of the cutworm, Spodoptera litura, exposed to different levels of lead (Pb). CHEMOSPHERE 2021; 283:131205. [PMID: 34147986 DOI: 10.1016/j.chemosphere.2021.131205] [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: 03/14/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 06/12/2023]
Abstract
Heavy metals are major environmental pollutants that affect organisms across different trophic levels. Herbivorous insects play an important role in the bioaccumulation, and eventually, biomagnification of these metals. Although effects of heavy metal stress on insects have been well-studied, the molecular mechanisms underlying their effects remain poorly understood. Here, we used the RNA-Seq profiling and isobaric tags for relative and absolute quantitation (iTRAQ) approaches to unravel these mechanisms in the polyphagous pest Spodoptera litura exposed to lead (Pb) at two different concentrations (12.5 and 100 mg Pb/kg; PbL and PbH, respectively). Altogether, 1392 and 1630 differentially expressed genes (DEGs) and 58, 114 differentially expressed proteins (DEPs) were identified in larvae exposed to PbL and PbH, respectively. After exposed to PbL, the main up-regulated genes clusters and proteins in S. litura larvae were associated with their metabolic processes, including carbohydrate, protein, and lipid metabolism, but the levels of cytochrome P450 associated with the pathway of xenobiotic biodegradation and metabolism were found to be decreased. In contrast, the main up-regulated genes clusters and proteins in larvae exposed to PbH were enriched in the metabolism of xenobiotic by cytochrome P450, drug metabolism-cytochrome P450, and other drug metabolism enzymes, while the down-regulated genes and proteins were found to be closely related to the lipid (lipase) and protein (serine protease, trypsin) metabolism and growth processes (cuticular protein). These findings indicate that S. litura larvae exposed to PbL could enhance food digestion and absorption to prioritize for growth rather than detoxification, whereas S. litura larvae exposed to PbH reduced food digestion and absorption and channelized the limited energy for detoxification rather than growth. These contrasting results explain the dose-dependent effects of heavy metal stress on insect life-history traits, wherein low levels of heavy metal stress induce stimulation, while high levels of heavy metal stress cause inhibition at the transcriptome and proteome levels.
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Affiliation(s)
- Jin Chen
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Yeshan Guo
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Shimin Huang
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Huiru Zhan
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Meifang Zhang
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Jianwu Wang
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China.
| | - Yinghua Shu
- Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, South China Agricultural University, Guangzhou, 510642, China; Guangdong Engineering Research Centre for Modern Eco-agriculture, Guangzhou, 510642, China; Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China.
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Zhou J, Chen J, Shu Y. Lead stress affects the reproduction of Spodoptera litura but not by regulating the vitellogenin gene promoter. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111581. [PMID: 33396104 DOI: 10.1016/j.ecoenv.2020.111581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/19/2020] [Accepted: 10/27/2020] [Indexed: 06/12/2023]
Abstract
Lead (Pb) stress affects hormone-mediated responses (e.g., reproduction) in insects. In this study, the effects of Pb stress (12.5-50 mg Pb/kg in larval artificial diets) on the reproduction of the common cutworm Spodoptera litura (Lepidoptera: Noctuidae) were investigated after 7 generations. The results showed that Pb stress did not reduce the longevity of adult females, but 50 mg Pb/kg significantly reduced the longevity of adult males, regardless of the generation. After 50 mg Pb/kg stress for one or 7 generations, the peak time of egg-laying was delayed, and egg production and hatchability were decreased significantly. The vitellin content in eggs was significantly inhibited by Pb stress. The S. litura vitellogenin (Vg) gene promoter was cloned and analyzed. Multiple putative transcription factors were predicted for the 2321 bp Vg promoter region, including the TATA box, GATA, basic helix-loop-helix (bHLH) transcription factor, Broad-Complex (BR-C) binding sites, etc. The fragment from -2222 to -211 bp of the Vg promoter was the activation domain for Vg, whereas the region from -211 to -55 bp repressed the activity of the Vg promoter. The construct promoter (-782/+76) in Trichoplusia ni (Hi5) cells significantly improved Vg expression, which was not affected by Pb stress (1 or 10 mg/ml). Therefore, Pb stress significantly inhibited the reproduction of S. litura but not by regulating the Vg promoter.
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Affiliation(s)
- Jialiang Zhou
- School of Life Sciences, Jinggangshan University, Ji'an, 343009, China
| | - Jin Chen
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Yinghua Shu
- Department of Ecology, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
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Bozdağ M, Eraslan G. The effect of diosmin against lead exposure in rats ‡. Naunyn Schmiedebergs Arch Pharmacol 2019; 393:639-649. [PMID: 31792554 DOI: 10.1007/s00210-019-01758-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 10/30/2019] [Indexed: 12/18/2022]
Abstract
In this study, the effect of diosmin against the adverse effects of lead exposure in rats was investigated. Wistar Albino race 40 male rats weighing 150-200 g 2-3 months were used. A total of 4 groups were assigned, one of which was control and the other 3 were trial groups. The rats in the control group were treated with dimethyl sulfoxide, which was used only as a vehicle in diosmin administration. Groups 2, 3, and 4 from the experimental group were given diosmin at a dose of 50 mg/kg.bw, lead acetate at the dose of 1000 ppm, lead acetate at the dose of 1000 ppm, and diosmin at a dose of 50 mg/kg.bw for 6 weeks, respectively. Application of lead acetate with drinking water and also diosmin was performed by oral catheter. At the end of the experimental period, blood was taken to dry and with heparin by puncture to the heart under light ether anesthesia. Following the blood samples, some organs of the rats (the liver, kidney, brain, heart, and testis) were removed. Some biochemical parameters (glucose, triglyceride, cholesterol, BUN, creatinine, uric acid, LDH, AST, ALT, ALP, total protein, albumin) were measured in serum. Some oxidative stress parameters in tissue samples and blood (MDA, NO, SOD, CAT, GSH-Px, GSH) were evaluated. Body and organ (the liver, kidney, brain, heart, and testis) weights were also evaluated at the end of the study. No significant change was observed in the parameters examined in the diosmin alone-treated group by comparison to control group. On the other hand, significant changes were found in the values of lead acetate-treated group comparing control group. It was observed that the values approached the values of the control group in the combination of lead and diosmin. Exposure to lead acetate at a dose of 1000 ppm for 6 weeks causes organ damage; however the diosmin application at a dose of 50 mg/kg.bw had a positive effect on the regression of tissue damage.
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Affiliation(s)
- Mehmet Bozdağ
- Department of Veterinary Pharmacology and Toxicology, Institute of Health Sciences, Erciyes University, Kayseri, Turkey
| | - Gökhan Eraslan
- Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Erciyes University, Kayseri, Turkey.
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Li X, Zhang B, Li N, Ji X, Liu K, Jin M. Zebrafish neurobehavioral phenomics applied as the behavioral warning methods for fingerprinting endocrine disrupting effect by lead exposure at environmentally relevant level. CHEMOSPHERE 2019; 231:315-325. [PMID: 31132538 DOI: 10.1016/j.chemosphere.2019.05.146] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/16/2019] [Accepted: 05/17/2019] [Indexed: 06/09/2023]
Abstract
Environmental lead (Pb) exposure is a great hazard to the public health. Although environmentally relevant Pb poisoning is preventable, insidious Pb contaminants are still a major threat to human health. Herein, we reported that exposure to Pb at environmentally relevant concentration level (1 μg/L, 10 μg/L and 100 μg/L), disturbed the courtship behavior of adult male zebrafish and further altered the transcriptional patterns of key genes involved in testicular steroidogenesis (igf3, amh, piwil1, lhcgr, fshr, cyp11c1, star, cyp19a1a, cyp19a1b) and apoptosis (bax, cytoC, caspase 9, caspase 3, puma). Both the behavioral and the transcriptional profiles share a similar biphasic dose response, with stimulatory effects after low-level exposure and inhibitory effects after high-level exposure. This results revealed the endocrine disrupting effects of Pb even at an environmentally relevant level within the concentration range of ambient water quality criteria (AWQC) and the reliability of locomotion fingerprint as the indicator for detecting the risk induced by Pb pollution. Current research, for the first time, employed the ZebraTower system as the biological early warning system (BEWS) to find that Pb exerted biphasic effects on the courtship behavior and endocrine regulation of male adult zebrafish. Methodologically, we firstly propose an efficient solution to monitor and assess the risk of Pb exposure by combining the (BEWS) and data analyzing methods such as zebrafish phenomics, which would make a contribution to the detection and prevention of environmentally relevant Pb poisoning.
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Affiliation(s)
- Xiang Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology of Natural Products (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, No.44 West Culture Road, Ji'nan 250012, Shandong Province, PR China
| | - Baoyue Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China
| | - Ning Li
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China
| | - Xiuna Ji
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China
| | - Kechun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China.
| | - Meng Jin
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China; Key Laboratory for Drug Screening Technology of Shandong Academy of Sciences, 28789 East Jingshi Road, Ji'nan, 250103, Shandong Province, PR China.
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Neuwirth LS, Masood S, Anderson DW, Schneider JS. The attention set-shifting test is sensitive for revealing sex-based impairments in executive functions following developmental lead exposure in rats. Behav Brain Res 2019; 366:126-134. [PMID: 30878351 PMCID: PMC6732195 DOI: 10.1016/j.bbr.2019.03.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/22/2019] [Accepted: 03/11/2019] [Indexed: 12/19/2022]
Abstract
The literature on lead (Pb) exposure has focused in large part on hippocampal-based learning and memory deficits, although frontoexecutive dysfunctions are known to exist in Pb-exposed humans. This study examined the effects of perinatal (PERI) and early postnatal (EPN) developmental low-level Pb-exposures in rats on frontoexecutive functions, using the Attention Set-Shift Test (ASST). Control males and females performed the ASST similarly. Male EPN rats had difficulty with simple discrimination (SD) of odors and failed to complete the compound discrimination (CD) stage of the ASST. All other Pb-exposed rats completed the training and testing. Male PERI rats performed worse on the SD, intradimensional (ID), and intradimensional-reversal (ID-Rev) ASST stages when compared to male Control rats. Female EPN rats performed similar to Controls on the ID-Rev rats, whereas PERI rats performed better the trials-to-criterion on the ID-Rev than EPN and Control rats. Pb-exposed female rats had significant difficulty performing the ED/ED-Rev stages, with the number of trials-to-criterion double that required by Pb-exposed and Control male rats and Control female rats. Together, the ASST results showed that developmental Pb-exposure induces frontoexecutive dysfunction that persists into adulthood, with different sex-based vulnerabilities dependent upon the time-period of neurotoxicant exposure.
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Affiliation(s)
- Lorenz S Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY 11568, United States; SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury NY 11568, United States; Department of Pathology, Anatomy & Cell Biology, Thomas Jefferson University, Philadelphia, PA, 19107, United States.
| | - Sidrah Masood
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY 11568, United States; SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury NY 11568, United States
| | - David W Anderson
- Department of Pathology, Anatomy & Cell Biology, Thomas Jefferson University, Philadelphia, PA, 19107, United States
| | - Jay S Schneider
- Department of Pathology, Anatomy & Cell Biology, Thomas Jefferson University, Philadelphia, PA, 19107, United States
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Mitra P, Sharma S, Purohit P, Sharma P. Clinical and molecular aspects of lead toxicity: An update. Crit Rev Clin Lab Sci 2017; 54:506-528. [DOI: 10.1080/10408363.2017.1408562] [Citation(s) in RCA: 139] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Prasenjit Mitra
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Shailja Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Purvi Purohit
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
| | - Praveen Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, Jodhpur, India
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Calap-Quintana P, González-Fernández J, Sebastiá-Ortega N, Llorens JV, Moltó MD. Drosophila melanogaster Models of Metal-Related Human Diseases and Metal Toxicity. Int J Mol Sci 2017; 18:E1456. [PMID: 28684721 PMCID: PMC5535947 DOI: 10.3390/ijms18071456] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Revised: 06/27/2017] [Accepted: 06/30/2017] [Indexed: 12/21/2022] Open
Abstract
Iron, copper and zinc are transition metals essential for life because they are required in a multitude of biological processes. Organisms have evolved to acquire metals from nutrition and to maintain adequate levels of each metal to avoid damaging effects associated with its deficiency, excess or misplacement. Interestingly, the main components of metal homeostatic pathways are conserved, with many orthologues of the human metal-related genes having been identified and characterized in Drosophila melanogaster. Drosophila has gained appreciation as a useful model for studying human diseases, including those caused by mutations in pathways controlling cellular metal homeostasis. Flies have many advantages in the laboratory, such as a short life cycle, easy handling and inexpensive maintenance. Furthermore, they can be raised in a large number. In addition, flies are greatly appreciated because they offer a considerable number of genetic tools to address some of the unresolved questions concerning disease pathology, which in turn could contribute to our understanding of the metal metabolism and homeostasis. This review recapitulates the metabolism of the principal transition metals, namely iron, zinc and copper, in Drosophila and the utility of this organism as an experimental model to explore the role of metal dyshomeostasis in different human diseases. Finally, a summary of the contribution of Drosophila as a model for testing metal toxicity is provided.
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Affiliation(s)
- Pablo Calap-Quintana
- Department of Genetics, University of Valencia, Campus of Burjassot, 46100 Valencia, Spain.
| | - Javier González-Fernández
- Department of Genetics, University of Valencia, Campus of Burjassot, 46100 Valencia, Spain.
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain.
| | - Noelia Sebastiá-Ortega
- Department of Genetics, University of Valencia, Campus of Burjassot, 46100 Valencia, Spain.
- Centro de Investigación Biomédica en Red de Salud Mental CIBERSAM, Spain.
| | - José Vicente Llorens
- Department of Genetics, University of Valencia, Campus of Burjassot, 46100 Valencia, Spain.
| | - María Dolores Moltó
- Department of Genetics, University of Valencia, Campus of Burjassot, 46100 Valencia, Spain.
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain.
- Centro de Investigación Biomédica en Red de Salud Mental CIBERSAM, Spain.
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Shu Y, Zhou J, Lu K, Li K, Zhou Q. Response of the common cutworm Spodoptera litura to lead stress: changes in sex ratio, Pb accumulations, midgut cell ultrastructure. CHEMOSPHERE 2015; 139:441-451. [PMID: 26248226 DOI: 10.1016/j.chemosphere.2015.07.065] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 07/22/2015] [Accepted: 07/23/2015] [Indexed: 06/04/2023]
Abstract
When cutworm Spodoptera litura larvae were fed on the diets with different lead (Pb) concentrations for one or five generations, changes in growth and food utilization were recorded; Pb accumulations were detected by Atomic Absorption Spectrophotometer; changes in midgut cell ultrastructure were observed by Transmission Electron Microscopy (TEM). The effects of Pb stress on S. litura growth and food utilization differed significantly between insects of the 1st and 5th generation. The male-female rate of 200mgkg(-1) Pb treatment from the 1st generation and 50mgkg(-1) Pb treatment from the 5th generation was significantly higher than control. No significant difference of Pb accumulations was found in larvae, pupae and adults between the 1st and 5th generation. No significant difference of Pb accumulations in corresponding tissues of larvae was found between male and female. Compared to fat body, hemolymph, head, foregut and hindgut, the highest Pb accumulation was found in migut of larvae exposed to 200mgkg(-1) Pb. TEM showed that expanded intercellular spaces were observed in Pb-treated midgut cells. The nuclei were strongly destroyed by Pb stress, evidenced by chromatin condensation and destroyed nuclear envelope. Mitochondria became swollen with some broken cristae after exposure to Pb. Therefore, neither gender nor progeny difference was present in Pb accumulations of S. litura, although effects of Pb stress on S. litura growth and food utilization differed from different generations and genders. Pb accumulations in midgut caused pathological changes in cells ultrastructure, possibly reflected the growth and food utilization of S. litura.
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Affiliation(s)
- Yinghua Shu
- Key Laboratory of Agroecology and Rural Environment of Guangdong Regular Higher Education Institutions, Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, Department of Crop Science and Technology, College of Agriculture, South China Agricultural University, Guangzhou 510642, China; State Key Laboratory of Biological Control and Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Jialiang Zhou
- State Key Laboratory of Biological Control and Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Kai Lu
- State Key Laboratory of Biological Control and Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Keqing Li
- Key Laboratory of Agroecology and Rural Environment of Guangdong Regular Higher Education Institutions, Key Laboratory of Agro-Environment in the Tropics, Ministry of Agriculture, Department of Crop Science and Technology, College of Agriculture, South China Agricultural University, Guangzhou 510642, China
| | - Qiang Zhou
- State Key Laboratory of Biological Control and Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China.
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Misra S, Singh A, C H R, Sharma V, Reddy Mudiam MK, Ram KR. Identification of Drosophila-based endpoints for the assessment and understanding of xenobiotic-mediated male reproductive adversities. Toxicol Sci 2014; 141:278-91. [PMID: 24973093 DOI: 10.1093/toxsci/kfu125] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Men are at risk of becoming completely infertile due to innumerable environmental chemicals and pollutants. These xenobiotics, hence, should be tested for their potential adverse effects on male fertility. However, the testing load, a monumental challenge for employing conventional animal models, compels the pursuit of alternative models. Towards this direction, we show here that Drosophila melanogaster, an invertebrate, with its well characterized/conserved male reproductive processes/proteome, recapitulates male reproductive toxicity phenotypes observed in mammals when exposed to a known reproductive toxicant, dibutyl phthalate (DBP). Analogous to mammals, exposure to DBP reduced fertility, sperm counts, seminal proteins, increased oxidative modification/damage in reproductive tract proteins and altered the activity of a hormone receptor (estrogen related receptor) in Drosophila males. In addition, we show here that DBP is metabolized to monobutyl phthalate (MBP) in exposed Drosophila males and that MBP is more toxic than DBP, as observed in higher organisms. These findings suggest Drosophila as a potential alternative to traditional animal models for the prescreening of chemicals for their reproductive adversities and also to gain mechanistic insights into chemical-mediated endocrine disruption and male infertility.
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Affiliation(s)
- Snigdha Misra
- Embryotoxicology, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India Academy of Scientific and Innovative Research (AcSIR), Lucknow 226001, UP, India
| | - Anshuman Singh
- Embryotoxicology, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India
| | - Ratnasekhar C H
- Analytical Chemistry, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India Academy of Scientific and Innovative Research (AcSIR), Lucknow 226001, UP, India
| | - Vandana Sharma
- Embryotoxicology, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India Academy of Scientific and Innovative Research (AcSIR), Lucknow 226001, UP, India
| | - Mohana Krishna Reddy Mudiam
- Analytical Chemistry, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India Academy of Scientific and Innovative Research (AcSIR), Lucknow 226001, UP, India
| | - Kristipati Ravi Ram
- Embryotoxicology, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, Lucknow 226001, UP, India Academy of Scientific and Innovative Research (AcSIR), Lucknow 226001, UP, India
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Zhou J, Shu Y, Zhang G, Zhou Q. Lead exposure improves the tolerance of Spodoptera litura (Lepidoptera: Noctuidae) to cypermethrin. CHEMOSPHERE 2012; 88:507-513. [PMID: 22463946 DOI: 10.1016/j.chemosphere.2012.03.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 02/08/2012] [Accepted: 03/05/2012] [Indexed: 05/31/2023]
Abstract
Many ecological factors such as heavy metals can affect the tolerance of herbivorous insects to chemical insecticide. Spodoptera litura larvae exposed to lead (Pb) (0-100 mg kg(-1) in artificial diet) did not inhibit their growth. After 96 h of Pb (0-100 mg kg(-1)) exposure, topical application and feeding of cypermethrin to S. litura decreased their mortality and increased weight gain. Moreover, the mortality of S. litura treated with 25 and 50 mg kg(-1) of Pb for five generations was significantly lower than control. In addition, Pb accumulation was detected in midgut, fat body, brain and hemolymph, and its highest level was in the midgut. Furthermore, there was a significant negative correlation between Pb accumulation in fat body and mortality after topical application of cypermethrin. After 96 h of Pb exposure, there was increase expression of detoxification enzymes (CYP9A39 and CYP6B47) in midgut and fat body of S. litura. Therefore, the tolerance of S. litura to cypermethrin is increased by Pb exposure at certain concentrations through Pb accumulation in body and the increase of CYP9A39 and CYP6B47 expression.
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Affiliation(s)
- Jialiang Zhou
- State Key Laboratory of Biological Control and Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
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Abstract
BACKGROUND Current evidence indicates that even low-level lead (Pb) exposure can have detrimental effects, especially in children. We tested the hypothesis that Pb exposure alters gene expression patterns in peripheral blood cells and that these changes reflect dose-specific alterations in the activity of particular pathways. METHODOLOGY/PRINCIPAL FINDING Using Affymetrix Mouse Genome 430 2.0 arrays, we examined gene expression changes in the peripheral blood of female Balb/c mice following exposure to per os lead acetate trihydrate or plain drinking water for two weeks and after a two-week recovery period. Data sets were RMA-normalized and dose-specific signatures were generated using established methods of supervised classification and binary regression. Pathway activity was analyzed using the ScoreSignatures module from GenePattern. CONCLUSIONS/SIGNIFICANCE The low-level Pb signature was 93% sensitive and 100% specific in classifying samples a leave-one-out crossvalidation. The high-level Pb signature demonstrated 100% sensitivity and specificity in the leave-one-out crossvalidation. These two signatures exhibited dose-specificity in their ability to predict Pb exposure and had little overlap in terms of constituent genes. The signatures also seemed to reflect current levels of Pb exposure rather than past exposure. Finally, the two doses showed differential activation of cellular pathways. Low-level Pb exposure increased activity of the interferon-gamma pathway, whereas high-level Pb exposure increased activity of the E2F1 pathway.
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