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Delavar A, Anbarkeh FR, Baradaran R, Arab Z, Moghaddam SHR, Hosseini M, Nikravesh MR, Nejat SS, Jalali M. The protective effect of methanolic extract of Verbascum cheiranthifolium and Biebersteinia multifida DC on hippocampus damage induced by diazinon in male Wistar rats: An experimental study. J Chem Neuroanat 2024; 137:102398. [PMID: 38342332 DOI: 10.1016/j.jchemneu.2024.102398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 02/07/2024] [Accepted: 02/07/2024] [Indexed: 02/13/2024]
Abstract
Diazinon (DZN) an organophosphate (OP), with the most important mechanism of action of DZN being induction of oxidative stress (OS) and inhibition of the enzyme acetylcholinesterase (AChE). Verbascum cheiranthifolium (VER) and Biebersteinia multifida (BM) belong to the Scrophulariaceae and Biebersteiniaceae family respectively. These plants are widely used in Iranian traditional medicine due to their beneficial effects. Thus, this research aimed to appraise the protective effects of the methanolic extract of the VER and BM on changes in the level of expression of α7 and α4 subunits of nicotinic acetylcholine receptors (nAChRs) in hippocampus (HPC) of DZN-treated rats. In this research, 36 male Wistar rats were used and randomly divided into six groups: Control, DZN (40 mg/kg), VER (1 g/kg), DZN+VER (40 mg/kg+1 g/kg), BM (150 mg/kg), and DZN+BM (40 mg/kg+150 mg/kg). At the end of treatment periods, the animals of all groups underwent the Morris water maze (MWM) test. The rats were anesthetized, and blood sampling was performed. Eventually, the brain was removed for histological study and evaluation of OS parameters. The results indicated that DZN increased the extent of expression of nAChRs in the HPC and significantly inhibited cholinesterase (ChEs) activity plus OS parameters. Also, in MWM, the time to find the platform was significantly longer in the DZN group, while the time and the distance in the probe test were lower than in the control groups. VER and BM extract in the treatment groups simultaneously improved the extent of expression of nAChRs, ChEs activity, as well as the parameters of OS and spatial memory significantly. In conclusion, our results support the neuroprotective properties of VER and BM extract versus DZN in rats. Accordingly, the extracts of VER and BM may be useful as an approach for the treatment of learning disorders and memory enhancement.
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Affiliation(s)
- Amir Delavar
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Rahimi Anbarkeh
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Raheleh Baradaran
- Department of Basic Sciences, Faculty of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Zohreh Arab
- Neurocognitive Research Center and Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Mahmoud Hosseini
- Neurocognitive Research Center and Department of Physiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Nikravesh
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shahin Saeidi Nejat
- School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehdi Jalali
- Department of Anatomy and Cell Biology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Zarei S, Ghafouri H, Vahdatiraad L, Moghaddam VA, Sohrabi T, Heidari B. Using heat shock protein (HSP) inducers as an approach to increase the viability of sterlet (Pisces; Acipenseridae; Acipenser ruthenus) cells against environmental diazinon toxicity. J Hazard Mater 2024; 465:133194. [PMID: 38086298 DOI: 10.1016/j.jhazmat.2023.133194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 11/19/2023] [Accepted: 12/04/2023] [Indexed: 02/08/2024]
Abstract
Diazinon (DZN) is an organophosphate pesticide frequently used in agriculture and released into aquatic environments. In this study, sterlet sturgeon cells were exposed to DZN to investigate possible defense mechanisms via HSP induction (HSPi). Liver, kidney, and gill cells of Acipenser ruthenus were isolated and cultured and then treated with HSPi (Pro-Tex®, amygdalin, and a novel pirano-piranazole-based synthesized compound: SZ) in the presence and absence of DZN. MTT assays were used to evaluate the effects of different HSPis and their combinations with DZN. Western blotting analysis was conducted to evaluate HSP27, HSP70, and HSP90 expression patterns in each group. The highest rates of caspase-3 and caspase-8 activities were found in the DZN group, whereas HSPi treatment resulted in the lowest rates. The combination of HSPi+DZN resulted in increased HSP levels and antioxidant parameters but decreased cortisol, immune parameters, and metabolic enzymes. Many of the studied parameters (caspases, acetylcholinesterase, antioxidant, immune, and metabolic parameters) showed significant correlations with HSP expression, indicating that HSPs may be associated with markers of sterlet cell health. The results of this study demonstrate that using HSP inducers may be a powerful and reliable way to increase A. ruthenus resistance prior to exposure to DZN.
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Affiliation(s)
- Sevda Zarei
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Hossein Ghafouri
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran; Department of Marine Sciences, the Caspian Sea Basin Research Center, University of Guilan, Rasht, Iran.
| | - Leila Vahdatiraad
- Department of Marine Sciences, the Caspian Sea Basin Research Center, University of Guilan, Rasht, Iran
| | | | - Tooraj Sohrabi
- International Sturgeon Research Institute, Iranian Fisheries Sciences Research Institute, Agricultural Research Education and Organization (AREEO), Tehran, Iran
| | - Behrooz Heidari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran; Department of Marine Sciences, the Caspian Sea Basin Research Center, University of Guilan, Rasht, Iran.
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Liang YJ, Long DX, Wang S, Wang HP, Wu YJ. Metabolomic analysis of the serum and urine of rats exposed to diazinon, dimethoate, and cypermethrin alone or in combination. BMC Pharmacol Toxicol 2024; 25:3. [PMID: 38167230 PMCID: PMC10763016 DOI: 10.1186/s40360-023-00714-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 11/27/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Multiple pesticides are often used in combination for plant protection and public health. Therefore, it is important to analyze the physiological changes induced by multiple pesticides exposure. The objective of this study was to investigate the combined toxicity of the widely-used organophosphorus and pyrethroid pesticides diazinon, dimethoate, and cypermethrin. METHODS Male Wistar rats were administrated by gavage once daily with the three pesticides individual or in combination for consecutive 28 days. The metabolic components of serum and urine samples were detected by using 1H nuclear magnetic resonance (NMR)-based metabolomics method. Histopathological examination of liver and kidneys and serum biochemical determination were also carried out. RESULTS The results showed that after the 28-day subacute exposure, serum glutamic transaminase and albumin were significantly increased and blood urea nitrogen was significantly decreased in the rats exposed to the mixture of the pesticides compared with the control rats, suggesting that the co-exposure impaired liver and kidney function. Metabolomics analysis indicated that the indicators 14 metabolites were statistically significant altered in the rats after the exposure of the pesticides. The increase in 3-hydroxybutyric acid in urine or decrease of lactate and N-acetyl-L-cysteine in serum could be a potentially sensitive biomarker of the subchronic combined effects of the three insecticides. The reduction level of 2-oxoglutarate and creatinine in urine may be indicative of dysfunction of liver and kidneys. CONCLUSION In summary, the exposure of rats to pesticides diazinon, dimethoate, and cypermethrin could cause disorder of lipid and amino acid metabolism, induction of oxidative stress, and dysfunction of liver and kidneys, which contributes to the understanding of combined toxic effects of the pesticides revealed by using the metabolomics analysis of the urine and serum profiles.
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Affiliation(s)
- Yu-Jie Liang
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, P. R. China
- School of Rehabilitation Medicine, Jining Medical University, 272067, Jining, Shandong, P. R. China
| | - Ding-Xin Long
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, P. R. China
- School of Public Health, University of South China, 421001, Hengyang, Hunan, P. R. China
| | - Shanshan Wang
- Institute of Quality Standard and Testing Technology for Agro-products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, 100081, Beijing, P. R. China
| | - Hui-Ping Wang
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, P. R. China
| | - Yi-Jun Wu
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, P. R. China.
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Bayır M, Özdemir E. Genomic organization and transcription of superoxide dismutase genes ( sod1, sod2, and sod3b) and response to diazinon toxicity in platyfish ( Xiphophorus maculatus) by using SOD enzyme activity. Anim Biotechnol 2023; 34:3578-3588. [PMID: 36811494 DOI: 10.1080/10495398.2023.2178931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
The aim of this study is to determine the effects of 50% of 96 h LC50 (5.25 ppm) diazinon on the expression of superoxide dismutase (SOD) enzyme genes (sod1, sod2, and sod3b) and SOD enzyme activity at the end of 24, 48, 72, and 96 h in platyfish liver and gill tissues. To this end, we determined the tissue-specific distribution of sod1, sod2, and sod3b genes and performed in silico analyses in platyfish (Xiphophorus maculatus). It was determined that malondialdehyde (MDA) level and SOD enzyme activity were increased in the liver [(43.90 EU mg protein-1 (control), 62.45 EU mg protein-1 (24 h), 73.17 EU mg protein-1 (48 h), 82.18 EU mg protein-1 (72 h), 92.93 EU mg protein-1 (96 h)] and gill [(16.44 EU mg protein-1 (control), 33.47 EU mg protein-1 (24 h), 50.38 EU mg protein-1 (48 h), 64.62 EU mg protein-1 (72 h), 74.04 EU mg protein-1 (96 h)] tissues of platyfish exposed to diazinon, while the expression of the sod genes was down-regulated. The tissue-specific distribution of the sod genes varied, with the tissues and the sod genes expression were being predominant in the liver (628.32 in sod1, 637.59 in sod2, 888.5 in sod3b). Thus, the liver was considered a suitable tissue for further gene expression studies. Based on the phylogenetic analyses, platyfish sod genes can be reported to be orthologs of sod/SOD genes from other vertebrates. Identity/similarity analyses supported this determination. Conserved gene synteny proved that there are conserved sod genes in platyfish, zebrafish, and humans.
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Affiliation(s)
- Mehtap Bayır
- Department of Agricultural Biotechnology, Faculty of Agriculture, Atatürk University, Erzurum, Turkey
| | - Erdal Özdemir
- Department of Agricultural Biotechnology, Faculty of Agriculture, Atatürk University, Erzurum, Turkey
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Naderi N, Souri M, Nasr-Esfahani MH, Hajian M, Nazem MN. Ferulago angulata extract alleviates testicular toxicity in male mice exposed to diazinon and lead. Tissue Cell 2023; 85:102257. [PMID: 37924715 DOI: 10.1016/j.tice.2023.102257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 11/06/2023]
Abstract
In this study, we investigated the protective effects of Ferulago angulata extract (FAE) against the reproductive toxicants Diazinon (DZN) and Lead (Pb) in mice. These pollutants are known to induce oxidative stress (OS), while FAE acts as a natural antioxidant. Adult male NMRI mice were exposed to DZN, Pb, and DZN+Pb, with or without FAE treatment for six weeks. We evaluated OS markers, testicular histology, and expression of mRNA related to enzymatic antioxidants. Exposure to DZN and Pb led to increased levels of thiobarbituric acid reactive substance (TBARS) and nitric oxide (NO) in the testes, along with a decrease in the total antioxidant capacity (TAC). Furthermore, the mRNA expression of antioxidant enzymes such as superoxide dismutase 1 (SOD1) and glutathione peroxidase 4 (GPX4) was altered. However, when FAE was administered concurrently, it restored the biochemical parameters to normal levels, reduced the toxic effects of DZN and Pb, and provided protection against testicular histopathological injury. These findings suggest that FAE has the potential to serve as a protective agent against oxidative damage caused by contaminants in reproductive organs, specifically in the testes.
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Affiliation(s)
- Nushin Naderi
- Department of Animal Science, College of Agriculture, Razi University, Kermanshah, Iran; Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Manouchehr Souri
- Department of Animal Science, College of Agriculture, Razi University, Kermanshah, Iran.
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
| | - Mehdi Hajian
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Naser Nazem
- Department of Basic Science, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
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Salimi-Sabour E, Tahri RA, Asgari A, Ghorbani M. The novel hepatoprotective effects of silibinin-loaded nanostructured lipid carriers against diazinon-induced liver injuries in male mice. Pestic Biochem Physiol 2023; 197:105643. [PMID: 38072518 DOI: 10.1016/j.pestbp.2023.105643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/20/2023] [Accepted: 10/09/2023] [Indexed: 12/18/2023]
Abstract
In the current study, silibinin-loaded nanostructured lipid carriers (Sili-NLCs) was synthesized, and the hepatoprotective effectiveness of Sili-NLCs against diazinon (DZN)-induced liver damage in male mice was evaluated. The emulsification-solvent evaporation technique was applied to prepare Sili-NLCs, and characterized by using particle size, zeta potential, entrapment efficacy (EE %), in vitro drug release behavior, and stability studies. In vivo, studies were done on male mice. Hepatotoxicity in male mice were induced by DZN (10 mg/kg/day, i.p.). Four groups treated with silibinin and Sili-NLCs with the same doses (100 and 200 mg/kg, p.o.). On 31th days, serum and liver tissue samples were collected. Alanine (ALT) and aspartate (AST) aminotransferase levels, oxidative stress biomarkers, inflammatory cytokines, and histopathological alterations were assessed. The Sili-NLCs particle size, zeta potential, polydispersity index (PDI), and EE % were obtained at 220.8 ± 0.86 nm, -18.7 ± 0.28 mV, 0.118 ± 0.03, and 71.83 ± 0.15%, respectively. The in vivo studies revealed that DZN significantly increased the serum levels of AST, ALT, hepatic levels of lipid peroxidation (LPO), and tumor necrosis factor-α (TNF-α), while decreased the antioxidant defense system in the mice's liver. However, Sili-NLCs was more effective than silibinin to return the aforementioned ratio toward the normal situation, and these results were well correlated with histopathological findings. Improvement of silibinin protective efficacy and oral bioavailability by using NLCs caused to Sili-NLCs can be superior to free silibinin in ameliorating DZN-induced hepatotoxicity in male mice.
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Affiliation(s)
- Ebrahim Salimi-Sabour
- Department of Pharmacognosy and Traditional Pharmacy, Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ramazan-Ali Tahri
- Nanobiotechnology Research Centre, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Amirhossein Asgari
- Department of Pharmacognosy and Traditional Pharmacy, Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Maryam Ghorbani
- Department of pharmacology and Toxicology, Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Almeida SSF, da Silva RHS, Oliveira IM, Alonso LB, Gonzaga BS, Barros ACM, Vicente MC, Melo MM, Borges NC, Martins DB, Botelho AFM. Serum butyrylcholinesterase activity in healthy dogs with and without exposure to diazinon. Vet Clin Pathol 2023; 52:646-653. [PMID: 37914538 DOI: 10.1111/vcp.13298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/07/2023] [Accepted: 07/26/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Cholinesterase is a biomarker for poisonings by anticholinesterase agents, but its reference values are scarce, and possible interaction with collars containing parasiticides has not been studied. OBJECTIVES We aimed to evaluate the serum cholinesterase activity of healthy dogs without a history of contact with anticholinesterase agents and healthy animals exposed to commercial collars containing organophosphate. METHODS Ninety-nine dogs were used and included healthy animals without recent exposure to anticholinesterase agents and healthy animals previously exposed to diazinon collars. Serum quantification of the enzyme butyrylcholinesterase (BuchE) through spectrophotometry was conducted on all samples. In experiment 1, BuchE activity was quantified at time 0 and 7 days after, a time when the samples were kept at -18°C. In experiment 2, sampling times were 0, 7, 14, 21, 28, and 56 days. RESULTS Time 0 values were 4622.38 ± 1311.53 U/L. After 7 days, a significant decay was observed, with a mean of 3934.45 ± 1430.45 U/L. Spearman's test was performed, finding a weak correlation between ALT, creatinine, total plasma proteins, age, weight, red blood cells, platelets, leukocytes, and BuchE activities. In experiment 2, the mean at time 0 was 4753 ± 454.8 U/L. With exposure to the collar, there was a decay of up to 93% after 14 days. CONCLUSIONS Normality values of serum BuchE in healthy dogs without a history of exposure to anticholinesterase agents were 4360.8-4883.96 U/L. Freezing serum caused a decrease in BuchE activity. Exposure to commercial collars containing diazinon also reduced BuchE activity without clinical signs, indicating that previously exposed animals should be evaluated carefully.
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Affiliation(s)
- Sara S F Almeida
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Rayanne H S da Silva
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Iago M Oliveira
- Department of Veterinary Clinic and Surgery, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Luma B Alonso
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Beatriz S Gonzaga
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Alexandre C M Barros
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Monica C Vicente
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Marília M Melo
- Department of Veterinary Clinic and Surgery, Veterinary School, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Naida C Borges
- Radiology and Ultrasonography, Clinic and Surgery Sector, Veterinary Hospital, Department of Veterinary Medicine. School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Danieli B Martins
- Laboratory of Veterinary Clinical Pathology, Clinic and Surgery Sector, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
| | - Ana F M Botelho
- Laboratory of Veterinary Toxicology, Veterinary Hospital, Department of Veterinary Medicine, School of Veterinary and Animal Science, Goiás Federal University, Goiás, Brazil
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Vahdatiraad L, Heidari B, Zarei S, Sohrabi T, Ghafouri H. Protective effects of HSP Inducer on diazinon-exposed stellate sturgeon (Acipenser stellatus) fry: Insights on HSP70 gene expression, immune response, and enzyme indices. PLoS One 2023; 18:e0294188. [PMID: 37956191 PMCID: PMC10642844 DOI: 10.1371/journal.pone.0294188] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Aquatic environments face frequent exposure to organophosphate pesticides, such as diazinon, which are frequently utilized in agriculture. The goal of this study was to evaluate the effects of diazinon exposure on fish and to investigate the potential of the HSP inducer (HSPi) in developing a defense mechanism. To achieve this, several factors were analyzed, including the HSP70 gene expression, levels of immunity markers (lysozyme, IgM, and C3), antioxidant status, and the activity of acetylcholine esterase (AChE). Stellate sturgeon (Acipenser stellatus) fry, was exposed to diazinon (25, 50, and 75% of 96h-LC50) for 6 days after pre-treatment with an HSP inducer (HSPi), TEX-OE® (a prickly pear cactus extract), for 4 hours. Two HSPi concentrations, 100 and 200 mg.L-1, were used. Pre-treatment with HSPi significantly enhanced HSP70 gene expression in the gill and liver, as well as immune markers in the blood of Acipenser stellatus. Diazinon-treated groups exhibited higher antioxidant activities of SOD, CAT, and T-AOC. Increased activity also observed in control fish pre-treated with HSPi. However, stellate sturgeon receiving both diazinon and HSPi+diazinon experienced a significant decrease in AChE activity in comparison with control group. Cortisol levels were elevated in the fish that were subjected to diazinon. Those subjected to diazinon after receiving HSPi showed a significant decrease in cortisol levels. In conclusion, the study suggests that HSPi-mediated HSP70 induction may have a protective effect. The presence of an HSP inducer offers a potential strategy to mitigate the consequences of diazinon exposure in stellate sturgeon.
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Affiliation(s)
- Leila Vahdatiraad
- Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran
| | - Behrooz Heidari
- Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran
- Department of Marine Sciences, The Caspian Sea Basin Research Center, University of Guilan, Rasht, Iran
| | - Sevda Zarei
- Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran
| | - Tooraj Sohrabi
- International Caspian Sturgeon Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran
| | - Hossein Ghafouri
- Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran
- Department of Marine Sciences, The Caspian Sea Basin Research Center, University of Guilan, Rasht, Iran
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Mehrian SK, Karimi N, Rahmani F. 24-Epibrassinolide alleviates diazinon oxidative damage by escalating activities of antioxidant defense systems in maize plants. Sci Rep 2023; 13:19631. [PMID: 37949961 PMCID: PMC10638446 DOI: 10.1038/s41598-023-46764-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023] Open
Abstract
Excessive use of pesticides against pests has contaminated agricultural crops and raised global concerns about food safety. This research investigates the alleviation effects of 24-epibrassinolide (EBL) seed priming on diazinon (DZ) pesticide toxicity. The experiment was conducted with eight groups including control, DZ, EBL (10 µM), EBL (0.1 µM), EBL (0.01 µM), EBL (10 µM) + DZ, EBL (0.1 µM) + DZ, and EBL (0.01 µM) + DZ. Plants grown with the lowest concentration of EBL (0.01 µM) exhibited an upward increase in the activity of SOD, CAT, POD, APX, GR, and GST enzymes under DZ toxicity stress. In contrast, higher concentrations of EBL showed some inhibitory effects on the activity of antioxidant enzymes. In addition, low concentrations of EBL elevated the free radical scavenging capacity (DPPH), iron-reducing antioxidant power (FRAP), photosynthesis rate (Pn), stomatal conductance (Gs) and proline, and protein contents. EBL also reduced lipid peroxidation (MDA levels) in the DZ-exposed plants, leading to membrane integrity. The favorable effects of EBL were more evident when plants were exposed to pesticides than normal growth conditions. The results indicated that EBL seed priming intensifies the antioxidant enzymes system activity, and helps maize plants against toxic effects of DZ under proper concentration.
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Affiliation(s)
- Saeed Karami Mehrian
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran
| | - Nasser Karimi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran.
| | - Fatemeh Rahmani
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran.
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Esmailpour F, Karimani A, Heidarpour M, Moghaddam Jafari A. Protective effects of Biebersteinia multifida on sub-chronic toxicity of DZN in male Wistar rats: biochemical, hematological, and oxidative stress indices. Drug Chem Toxicol 2023; 46:1203-1211. [PMID: 36322408 DOI: 10.1080/01480545.2022.2141774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/07/2022]
Abstract
The protective effect of Biebersteinia Multifida on diazinon-induced toxicity in male Wistar rats was investigated over 8 weeks. Impacts of diazinon (10 mg/kg daily), Biebersteinia Multifida (500 mg/kg daily), and coadministration of them on oxidative stress parameters besides hematological and biochemical indices were assessed in various groups. The gas chromatography-mass spectrometry analysis was performed to identify the antioxidant components of plant extract by comparing the mass spectra and retention indices with those given in the literature. Pseudocholinesterase level demonstrated a significant attenuation in the Biebersteinia Multifida+diazinon-treated group in comparison to the diazinon group at the end of the 8th week. Statistical significant differences in hematological and biochemical indices were detectable when the diazinon group was compared to Biebersteinia Multifida+diazinon-treated rats. While diazinon destroyed hepatic and renal functions, Biebersteinia Multifida protected the liver and kidney from diazinon toxic effects by normalizing related function indices at the end of the 8th week. By diminishing malondialdehyde and enhancing the ferric-reducing power, Biebersteinia Multifida minimized the hazardous effect of diazinon-induced oxidative stress. Following these results, the beneficial effects of Biebersteinia Multifida in reducing the toxicity of diazinon should be taken into consideration.
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Affiliation(s)
- Fatemeh Esmailpour
- Department of Pharmacodynamics and Toxicology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Asieh Karimani
- Department of Pharmacodynamics and Toxicology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mohammad Heidarpour
- Department of Clinical Sciences, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Amir Moghaddam Jafari
- Department of Pharmacodynamics and Toxicology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
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11
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Shiry N, Derakhshesh N, Alavinia SJ, Pouladi M, Falco F, Faggio C. Anodonta cygnea, a freshwater swan mussel, exposed to diazinon: toxicity thresholds in behaviour and physiology. Vet Res Commun 2023; 47:1303-1319. [PMID: 36763184 DOI: 10.1007/s11259-023-10078-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 01/28/2023] [Indexed: 02/11/2023]
Abstract
Swan mussels (Anodonta cygnea) have been suggested as suitable bioindicators for the presence of pollutants in the environment. Application of the physiological and behavioral markers in these sessile species can be beneficial for environmental monitoring. The present study aimed to investigate the relationship between the behavioral disorders of movement and siphoning associated with the inhibition of tissue Acetylcholinesterase (AChE). For experiments, overally 120 bivalves of Anodonta cygnea (mean total length 80.33 ± 6.7 mm) were transported from the agricultural drains and canals in Sari county (Mazandaran Province, Iran) to our laboratory. First, the LC50-96 h of diazinon was estimated according to the Organization for Economic Co-operation and Development (OECD 1992) guideline with static water conditions. The sub-lethal toxicity pesticide experiments were conducted on the basis of the lowest observed effect concentration (LOEC) and the maximum acceptable toxicant concentration (MATC). The LC50-96 h, LOEC, and MATC values of diazinon were 85.2, 42.1, and 8.5 mg L- 1, respectively. Based on the observations of mussels' movement, the burrowing and displacement decreased with the concentration of toxicant in water. Moreover, the presence of diazinon in water and its exposure to experimental animals significantly reduces their siphoning rate. The RDA showed that the AChE activity had a higher correlation with the siphoning behavior than the movement behavior. The comparison of enzyme activity at different exposure and recovery times showed that there was a significant difference among the groups affected by the consumed pesticide (p = 0.001, between contrasts). The most remarkable morphometric characteristic was the siphon opening that was inversely correlated with the enzymatic activity. Studies in bioethics might benefit from paying attention to these traits that are directly related to the level of toxicity and behavioral adaptations required for animal survival.
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Affiliation(s)
- Nima Shiry
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
- Iran Fisheries Organization, Administration of Khuzestan Province, Abadan, Iran
| | - Negin Derakhshesh
- Iran Fisheries Organization, Administration of Khuzestan Province, Abadan, Iran
| | - Seyed Jalil Alavinia
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran
- Department of Aquatic Animal Health, School of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Mojtaba Pouladi
- Iran Fisheries Organization, Administration of Bushehr Province, Bushehr, Iran
| | - Francesca Falco
- National Research Council, Institute for Biological Resources and Marine Biotechnology (IRBIM), Mazara del Vallo, Italy
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.
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12
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Delorenzi Schons D, Leite GAA. Malathion or diazinon exposure and male reproductive toxicity: a systematic review of studies performed with rodents. Crit Rev Toxicol 2023; 53:506-520. [PMID: 37922518 DOI: 10.1080/10408444.2023.2270494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 10/03/2023] [Indexed: 11/05/2023]
Abstract
Malathion and diazinon are pesticides commonly used in agriculture to avoid insects that damage crops; however, they may cause impairment to the male genital system of exposed humans. The present work carried out a systematic review of the literature concerning the primary studies that assessed the reproductive effects resulting from male rats and mice exposed to malathion or diazinon. The search for articles was performed on the databases PubMed, LILACS, Scopus, and SciELO, using different combinations of the search terms "malathion," "diazinon," "mice," "rats," "male reproduction," "fertility," and "sperm," followed by the Boolean operators AND or OR. The results obtained indicate that both pesticides act as reproductive toxicants by reducing sperm quality, diminishing hormonal concentrations, inducing increased oxidative stress, and provoking histopathological damage in reproductive organs. Then, the exposure to malathion and diazinon may provoke diminished levels of testosterone by increasing acetylcholine stimulation in the testis through muscarinic receptors, thus, providing a reduction in steroidogenic activity in Leydig cells, whose effect is related to lower levels of testosterone in rodents, and consequently, it is associated with decreased fertility. Considering the toxic effects on the male genital system of rodents and the possible male reproductive toxicity in humans, it is recommended the decreased use of these pesticides and their replacement for others that show no or few toxic effects for non-target animals.
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Affiliation(s)
- Daniel Delorenzi Schons
- Laboratório de Reprodução e Toxicologia (Laretox), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Gabriel Adan Araújo Leite
- Laboratório de Reprodução e Toxicologia (Laretox), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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13
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Benghaffour A, Azzouz A, Dewez D. Ecotoxicity of Diazinon and Atrazine Mixtures after Ozonation Catalyzed by Na + and Fe 2+ Exchanged Montmorillonites on Lemna minor. Molecules 2023; 28:6108. [PMID: 37630359 PMCID: PMC10459125 DOI: 10.3390/molecules28166108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/15/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
The toxicity of two pesticides, diazinon (DAZ) and atrazine (ATR), before and after montmorillonite-catalyzed ozonation was comparatively investigated on the duckweed Lemna minor. The results allowed demonstrating the role of clay-containing media in the evolution in time of pesticide negative impact on L. minor plants. Pesticides conversion exceeded 94% after 30 min of ozonation in the presence of both Na+ and Fe2+ exchanged montmorillonites. Toxicity testing using L. minor permitted us to evaluate the change in pesticide ecotoxicity. The plant growth inhibition involved excessive oxidative stress depending on the pesticide concentration, molecular structure, and degradation degree. Pesticide adsorption and/or conversion by ozonation on clay surfaces significantly reduced the toxicity towards L. minor plants, more particularly in the presence of Fe(II)-exchanged montmorillonite. The results showed a strong correlation between the pesticide toxicity towards L. minor and the level of reactive oxygen species, which was found to depend on the catalytic activity of the clay minerals, pesticide exposure time to ozone, and formation of harmful derivatives. These findings open promising prospects for developing a method to monitor pesticide ecotoxicity according to clay-containing host-media and exposure time to ambient factors.
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Affiliation(s)
- Amina Benghaffour
- NanoQAM, Department of Chemistry, University of Quebec at Montreal, Montreal, QC H3C 3P8, Canada
| | - Abdelkrim Azzouz
- NanoQAM, Department of Chemistry, University of Quebec at Montreal, Montreal, QC H3C 3P8, Canada
- École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada
| | - David Dewez
- NanoQAM, Department of Chemistry, University of Quebec at Montreal, Montreal, QC H3C 3P8, Canada
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14
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Ivanović SR, Borozan N, Miladinović DĆ, Živković I, Borozan S. The relationship between the cholinergic mechanism of toxicity and oxidative stress in rats during subacute diazinon poisoning. Toxicol Appl Pharmacol 2023; 473:116598. [PMID: 37331382 DOI: 10.1016/j.taap.2023.116598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/30/2023] [Accepted: 06/10/2023] [Indexed: 06/20/2023]
Abstract
Diazinon is an organophosphate pesticide (OP) that has significant potential for accidental and intentional poisoning of wildlife, domestic animals and humans. The aim of the study is to investigate the correlation between cholinesterase activity and oxidative stress parameters in liver and diaphragm by continuous monitoring as a function of time during prolonged use of diazinon. Wistar rats were treated orally with diazinon (55 mg/kg/day): 7, 14, 21 and 28 days. At the end of each period, blood, liver and diaphragm were collected to examine cholinesterase activity and enzymatic/non-enzymatic oxidative stress parameters: superoxide dismutase 1 (SOD1), catalase (CAT), thiobarbituric acid substances (TBARS), protein carbonyl groups. In all four time periods, there was a significant change in acetylcholinesterase (AChE) in erythrocytes and butyrylcholinesterase (BuChE) in blood plasma, CAT in liver and diaphragm and SOD1 in diaphragm. Parameters significantly altered during the cholinergic crisis included: cholinesterases and TBARS in liver and diaphragm and partially SOD1 in liver. Protein carbonyl groups in liver and diaphragm were significantly altered outside the cholinergic crisis. In the liver, there was a very strong negative correlation between BuChE and TBARS in all four time periods and BuChE and CAT on day 7. In the diaphragm, a very strong negative correlation was found between AChE and TBARS at days 7 and 14, and a very strong positive correlation between AChE and SOD1 at days 14, 21 and 28. A better understanding of the relationship between cholinergic overstimulation and oxidative stress may help to better assess health status in prolonged OPs intoxication.
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Affiliation(s)
- Saša R Ivanović
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Belgrade, Serbia.
| | | | | | - Irena Živković
- Institute of Virology, Vaccines and Sera "Torlak", Belgrade, Serbia.
| | - Sunčica Borozan
- Department of Chemistry, Faculty of Veterinary Medicine, University of Belgrade, Serbia.
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15
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Boualit L, Cayuela H, Ballu A, Cattin L, Reis C, Chèvre N. The Amphibian Short-Term Assay: Evaluation of a New Ecotoxicological Method for Amphibians Using Two Organophosphate Pesticides Commonly Found in Nature-Assessment of Behavioral Traits. Environ Toxicol Chem 2023; 42:1595-1606. [PMID: 37097014 DOI: 10.1002/etc.5642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/17/2023] [Accepted: 04/23/2023] [Indexed: 05/03/2023]
Abstract
Neurotoxic pesticides are used worldwide to protect crops from insects; they are recognized to impact nontarget organisms that live in areas surrounded by treated crops. Many biochemical and cell-based solutions have been developed for testing insecticide neurotoxicity. Nevertheless, such solutions provide a partial assessment of the impact of neurotoxicity, neglecting important phenotypic components such as behavior. Behavior is the apical endpoint altered by neurotoxicity, and scientists are increasingly recommending including behavioral endpoints in available tests or developing new methods for assessing contaminant-induced behavioral changes. In the present study, we extended an existing protocol (the amphibian short-term assay) with a behavioral test. To this purpose, we developed a homemade device along with an open-source computing solution for tracking trajectories of Xenopus laevis tadpoles exposed to two organophosphates insecticides (OPIs), diazinon (DZN) and chlorpyrifos (CPF). The data resulting from the tracking were then analyzed, and the impact of exposure to DZN and CPF was tested on speed- and direction-related components. Our results demonstrate weak impacts of DZN on the behavioral components, while CPF demonstrated strong effects, notably on speed-related components. Our results also suggest a time-dependent alteration of behavior by CPF, with the highest impacts at day 6 and an absence of impact at day 8. Although only two OPIs were tested, we argue that our solution coupled with biochemical biomarkers is promising for testing the neurotoxicity of this pesticide group on amphibians. Environ Toxicol Chem 2023;42:1595-1606. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Laurent Boualit
- Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
| | - Hugo Cayuela
- Laboratoire de Biométrie et Biologie Evolution, Université Lyon 1, Villeurbanne, France
| | - Aurélien Ballu
- Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
| | - Loïc Cattin
- Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
| | - Christophe Reis
- Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
| | - Nathalie Chèvre
- Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
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16
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Ireland D, Rabeler C, Gong T, Collins EMS. Bioactivation and detoxification of organophosphorus pesticides in freshwater planarians shares similarities with humans. Arch Toxicol 2022; 96:3233-3243. [PMID: 36173421 PMCID: PMC10729609 DOI: 10.1007/s00204-022-03387-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 09/21/2022] [Indexed: 11/02/2022]
Abstract
Organophosphorus pesticides (OPs) are a chemically diverse class of insecticides that inhibit acetylcholinesterase (AChE). Many OPs require bioactivation to their active oxon form via cytochrome P450 to effectively inhibit AChE. OP toxicity can be mitigated by detoxification reactions performed by carboxylesterase and paraoxonase. The relative extent of bioactivation to detoxification varies among individuals and between species, leading to differential susceptibility to OP toxicity. Because of these species differences, it is imperative to characterize OP metabolism in model systems used to assess OP toxicity. We have shown that the asexual freshwater planarian Dugesia japonica is a suitable model to assess OP neurotoxicity and developmental neurotoxicity via rapid, automated testing of adult and developing organisms in parallel using morphological and behavioral endpoints. D. japonica has two cholinesterase enzymes with intermediate properties between AChE and butyrylcholinesterase that are sensitive to OP inhibition. Here, we demonstrate that D. japonica contains the major OP metabolic machinery to be a relevant model for OP neurotoxicity studies. Adult and regenerating D. japonica can bioactivate chlorpyrifos and diazinon into their respective oxons. Significant AChE inhibition was only observed after in vivo metabolic activation but not when the parent OPs were directly added to planarian homogenate using the same concentrations and timing. Using biochemical assays, we found that D. japonica has both carboxylesterase (24 nmol/(min*mg protein)) and paraoxonase (60 pmol/(min*mg protein)) activity. We show that planarian carboxylesterase activity is distinct from cholinesterase activity using benzil and tacrine. These results further support the use of D. japonica for OP toxicity studies.
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Affiliation(s)
| | | | - TaiXi Gong
- Department of Biology, Swarthmore College, Swarthmore, PA, USA
| | - Eva-Maria S Collins
- Department of Biology, Swarthmore College, Swarthmore, PA, USA.
- Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA, USA.
- Department of Neuroscience, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Center of Excellence in Environmental Toxicology, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Physics, University of California San Diego, La Jolla, CA, USA.
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17
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Boualit L, Cayuela H, Cattin L, Chèvre N. The Amphibian Short-Term Assay: Evaluation of a New Ecotoxicological Method for Amphibians Using Two Organophosphate Pesticides Commonly Found in Nature-Assessment of Biochemical, Morphological, and Life-History Traits. Environ Toxicol Chem 2022; 41:2688-2699. [PMID: 35856881 PMCID: PMC9828030 DOI: 10.1002/etc.5436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/12/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Amphibia is the most threatened class among vertebrates, with >40% of the species threatened with extinction. Pollution is thought to alter amphibian population dynamics. With the growing interest in behavioral ecotoxicology, the neurotoxic organophosphate pesticides are of special concern. Understanding how exposure to neurotoxics leads to behavioral alterations is of crucial importance, and mechanistic endpoints should be included in ecotoxicological methods. In the present study, we tested an 8-day assay to evaluate the toxicity of two organophosphates, diazinon and chlorpyrifos, on Xenopus laevis, that is, on biochemical, morphological, and life-history traits related to locomotion capacities. The method involves measuring biomarkers such as glutathione-S-transferase (GST) and ethoxyresorufin-O-deethylase (EROD; two indicators of the detoxifying system) in the 8-day-old larvae as well as acetylcholinesterase (AChE) activity (involved in the nervous system) in 4-day-old embryos and 8-day-old larvae. Snout-to-vent length and snout-to-tail length of 4-day-old embryos and 8-day larvae were recorded as well as the corresponding growth rate. Fin and tail muscle widths were measured as well for testing changes in tail shape. Both tests showed effects of both organophosphates on AChE activity; however, no changes were observed in GST and EROD. Furthermore, exposure to chlorpyrifos demonstrated impacts on morphological and life-history traits, presaging alteration of locomotor traits. In addition, the results suggest a lower sensitivity to chlorpyrifos of 4-day-old embryos compared to 8-day-old larvae. Tests on other organophosphates are needed to test the validity of this method for the whole organophosphate group. Environ Toxicol Chem 2022;41:2688-2699. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Laurent Boualit
- Institute of Earth Surface DynamicsUniversity of LausanneCanton de VaudSwitzerland
| | - Hugo Cayuela
- Laboratoire de Biométrie et Biologie EvolutionUniversité Lyon 1Auvergne‐Rhône‐AlpesFrance
| | - Loic Cattin
- Institute of Earth Surface DynamicsUniversity of LausanneCanton de VaudSwitzerland
| | - Nathalie Chèvre
- Institute of Earth Surface DynamicsUniversity of LausanneCanton de VaudSwitzerland
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18
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Carbajal-Hernández AL, Arzate-Cárdenas MA, Valerio-García RC, Martínez-Jerónimo F. Commercial pesticides for urban applications induced population growth and sub-cellular alterations in Raphidocelis subcapitata (Chlorophyceae) at concerning environmental concentrations. Ecotoxicology 2022; 31:1462-1476. [PMID: 36319920 DOI: 10.1007/s10646-022-02596-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Information regarding the safety and environmental risks of pesticides intended for urban use remains limited. This study aimed to assess the effects of four common pesticides on the microalga Raphidocelis subcapitata: DIAZINON® 25% C. E., Roundup®, URBACIN® 20C. E., and VAPODEL® 20% C. E., which are commercial formulations of diazinon, glyphosate, dichlorvos, and cypermethrin, respectively. According to 96-h inhibition of population growth bioassays, the four pesticide toxicities exemplified the following order: DIAZINON® (diazinon) > Roundup® (glyphosate) > VAPODEL® (dichlorvos) > URBACIN® (cypermethrin). Increasing pesticide concentrations elicited alterations in the specific growth rates (µmax). The macromolecule contents and photosynthetic pigments increased in groups exposed to the highest concentrations of DIAZINON® 25%, Roundup®, and URBACIN® 20 compared to the control group, despite these treatments inducing lower population growth rates. VAPODEL® 20% induced higher growth rates and lower macromolecule content compared to the control. Since active ingredients were not quantified, certain comparisons may prove limiting, but it is important to assess the effects of the whole mixtures in the form that they enter the environment, especially for urban-intended applications or generic formulations with higher additive contents. Finally, this study demonstrated that commercial pesticide formulations designed for urban applications might pose a threat to freshwater microalgae due to their underestimated toxic potential, but further studies are required.
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Affiliation(s)
- Ana Laura Carbajal-Hernández
- Laboratorio de Toxicología Acuática, Departamento de Química, Universidad Autónoma de Aguascalientes. Av. Universidad 940, Ciudad Universitaria, Aguascalientes, Ags, 20134, México
| | - Mario Alberto Arzate-Cárdenas
- Laboratorio de Toxicología Acuática, Departamento de Química, Universidad Autónoma de Aguascalientes. Av. Universidad 940, Ciudad Universitaria, Aguascalientes, Ags, 20134, México.
- Cátedras CONACYT. Consejo Nacional de Ciencia y Tecnología. Av. Insurgentes Sur 1582, Col. Crédito Constructor, Alcaldía Benito Juárez, Ciudad de México, 03940, México.
| | - Roberto Carlos Valerio-García
- Laboratorio de Química Organometálica, Departamento de Química, Universidad Autónoma de Aguascalientes. Av. Universidad 940, Ciudad Universitaria, Aguascalientes, Ags, 20134, México
| | - Fernando Martínez-Jerónimo
- Laboratorio de Hidrobiología Experimental, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional. Prolongación de Carpio y, Calle Plan de Ayala s/n, Ciudad de, México, 11340, México
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19
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Girón-Pérez MI, Mary VS, Rubinstein HR, Toledo-Ibarra GA, Theumer MG. Diazinon toxicity in hepatic and spleen mononuclear cells is associated to early induction of oxidative stress. Int J Environ Health Res 2022; 32:2309-2323. [PMID: 34404283 DOI: 10.1080/09603123.2021.1962814] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
Diazinon is an organophosphorus pesticide, which may have potential toxic effects on the liver and immune system; however, the underlying mechanisms remain mostly unidentified. This work is aimed at evaluating the oxidative stress and cell cycle alterations elicited by low-dose diazinon in a rat liver cell line (BRL-3A) and spleen mononuclear cells (SMC) from Wistar rats. Diazinon (10-50 μM) caused early reactive oxygen species (ROS) generation (from 4 h) as well as increased O2•- level (from 0.5 h), which led to subsequent lipid peroxidation at 24 h, in BRL-3A cells. In SMC, diazinon (20 μM) produced similar increases in ROS levels, at 4 and 24 h, with the highest O2•- level being found at 4 h. Low-dose diazinon induced G1-phase arrest and cell death in hepatic cells and SMC. Therefore, diazinon could affect the liver and the immunological system through the premature oxidative stress induction.Abbreviations: O2•-: superoxide anion radical; ROS: reactive oxygen species; SMC: spleen mononuclear cells; TBARS: thiobarbituric acid reactive substances.
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Affiliation(s)
- Manuel Iván Girón-Pérez
- Universidad Autónoma de Nayarit,Secretaría de Investigación Y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco S/n, Cd de La Cultura Amado Nervo, C.P, Tepic, Nayarit, Mexico
| | - Verónica S Mary
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
| | - Héctor R Rubinstein
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
| | - Gladys A Toledo-Ibarra
- Universidad Autónoma de Nayarit,Secretaría de Investigación Y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco S/n, Cd de La Cultura Amado Nervo, C.P, Tepic, Nayarit, Mexico
| | - Martín G Theumer
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
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20
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Jamalipour P, Choobkar N, Abrishamkar M, Pournamdari E. Design of fluorescent method for sensing toxic diazinon in water samples using PbS quantum dots-based gelatin. J Environ Sci Health B 2022; 57:720-728. [PMID: 35899463 DOI: 10.1080/03601234.2022.2103936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this current article, a chemical sensor was synthesized PbS functionalized with gelatin quantum dots for toxic diazinon. The measure of toxic diazinon was performed using concentration 0.5 µM, PbS quantum dot-gelatin nanocomposites sensor, pH 6, and time 50 s, wavelength 300 nm, in phosphate buffer solution. Under the optimum conditions, the detection limit linear range was obtained (0.01-20.0 µg L-1). The standard deviation of less than (1.0%), and detection limits (3S/m) of the method (0.01 µg L-1) and quantification (LOQ) of (0.099 µg L-1), for determination of toxic diazinon, was obtained. The observed outcomes confirmed the suitability recovery and a very low detection limit for measuring the toxic diazinon. The Chemical PbS Quantum Dot-Gelatin nanocomposites sensor as excellent sensor was applied to measure and analyze residue toxic diazinon in water samples.
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Affiliation(s)
- Parisa Jamalipour
- Department of Environment, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran
| | - Nasrin Choobkar
- Department of Environment, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran
| | - Maryam Abrishamkar
- Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
| | - Elham Pournamdari
- Department of Chemistry, Islamshahr Branch, Islamic Azad University, Islamshahr, Iran
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21
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Machate O, Schmeller DS, Loyau A, Paschke A, Krauss M, Carmona E, Schulze T, Moyer A, Lutz K, Brack W. Complex chemical cocktail, containing insecticides diazinon and permethrin, drives acute toxicity to crustaceans in mountain lakes. Sci Total Environ 2022; 828:154456. [PMID: 35283126 DOI: 10.1016/j.scitotenv.2022.154456] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/04/2022] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
Mountain lakes have long been perceived as pristine environments. However, atmospheric deposition of persistent organic pollutants (POPs) have been shown to expose these sensitive ecosystems to chemical pollution. Little is known on how this pollution impacts aquatic ecosystems at high altitudes. We combined passive sampling with liquid and gas chromatography high resolution mass spectrometry (LC- and GC-HRMS) to screen the water of eight lakes in three different regions of the French Pyrenees. In total, we screened for 479 organic chemicals including POPs, polycyclic aromatic hydrocarbons (PAHs), legacy and current-use pesticides, biocides, and musk fragrances. We detected a complex cocktail of 151 individual chemicals and used their toxic unit summation (ΣTU) to assess toxicity for crustaceans and algae. While risks for algae never reached chronic risks, this was always the case for crustaceans. Acute toxic risk thresholds for crustaceans were even exceeded in several of our sites. At sites with acute toxic risk levels (> 0.1 ΣTU) crustaceans were completely absent or showed a low abundance. We conclude that crustaceans were at least partly impacted by the high toxic risks driven by the insecticides diazinon and permethrin. These drugs are widely used to protect livestock from blue tongue disease transmitted by sucking insects, suggesting free roaming livestock as local source. Our results provide important evidence on toxic chemical pollution in relatively remote mountain areas, with important consequences for aquatic mountain ecosystems.
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Affiliation(s)
- Oliver Machate
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany; University of Leipzig, Department of Biology, Johannisallee 21-23, 04103 Leipzig, Germany
| | - Dirk S Schmeller
- Laboratoire écologie fonctionnelle et environnement, Université de Toulouse, Toulouse INP, Université Toulouse 3 - Paul Sabatier (UPS), Toulouse, France.
| | - Adeline Loyau
- Laboratoire écologie fonctionnelle et environnement, Université de Toulouse, Toulouse INP, Université Toulouse 3 - Paul Sabatier (UPS), Toulouse, France; Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Alte Fischerhütte 2, Stechlin D-16775, Germany.
| | - Albrecht Paschke
- Helmholtz Centre for Environmental Research - UFZ, Department of Ecological Chemistry, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Martin Krauss
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Eric Carmona
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Tobias Schulze
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Alessandra Moyer
- Department of Biology, San Francisco State University, San Francisco, CA 94132-1722, United States of America
| | - Kurt Lutz
- Department of Biology, San Francisco State University, San Francisco, CA 94132-1722, United States of America
| | - Werner Brack
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany; Goethe University Frankfurt, Department of Evolutionary Ecology and Environmental Toxicology, Max-von-Laue-Strasse, 13, 60438 Frankfurt am Main, Germany.
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22
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Van Cong N, Giao NT, Hang BTB. Sensitivity of cholinesterase activity in juvenile giant freshwater prawn (Macrobrachium rosenbergii de Man, 1879) to organophosphate diazinon. Ecotoxicol Environ Saf 2022; 238:113578. [PMID: 35526457 DOI: 10.1016/j.ecoenv.2022.113578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/08/2022] [Accepted: 04/27/2022] [Indexed: 06/14/2023]
Abstract
Pesticides containing diazinon are frequently used in agriculture in the Vietnamese Mekong delta region leading to their potential residual occurrence in the environment. Under laboratory conditions, exposure to diazinon has been shown to result in adverse inhibition of cholinesterase enzyme (ChE) activity and subsequent death in several fish species. This study investigated a 96-h median lethal concentration (LC50) of diazinon concentrations from 0.08 to 1.25 mg/L on juvenile giant freshwater prawns (Macrobrachium rosenbergii de Man, 1879) in tanks in the laboratory. Inhibition of ChE in the flesh and in the eyes of the tested shrimps after exposed to diazinon concentrations of 2.7, 27, 67.5 μg/L equivalent to 1%, 10%, 25% LC50-96 h was calculated. The results indicated that diazinon was highly toxic to giant freshwater prawn with a low LC50-96 h of 270 μg/L. The activity of ChE in the flesh was more sensitive to diazinon than that in the eyes. Furthermore, in the future, the activity of ChE in the flesh or in the eyes of shrimps has potential to be used as biomarker for rapid recognition of diazinon contamination in water.
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Affiliation(s)
- Nguyen Van Cong
- College of Environment and Natural Resources, Can Tho University, Viet Nam.
| | - Nguyen Thanh Giao
- College of Environment and Natural Resources, Can Tho University, Viet Nam
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23
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Nematollahi A, Rezaei F, Afsharian Z, Mollakhalili-Meybodi N. Diazinon reduction in food products: a comprehensive review of conventional and emerging processing methods. Environ Sci Pollut Res Int 2022; 29:40342-40357. [PMID: 35322357 DOI: 10.1007/s11356-022-19294-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
Diazinon is known as one of the most commonly used organophosphorus pesticides which influence different pests through inactivating acetyl choline esterase enzymes. Despite diazinon applications, its toxicity to human health could result in a worldwide concern about its occurrence in foodstuffs. Malfunction of brain is considered as the main disorders induced by long time exposure to diazinon. Due to the degradation of diazinon in high temperatures and its susceptibility to oxidation as well as acidic and basic conditions, it could be degraded through several physical (9-94%) and chemical (19.3-100%) food processing procedures (both household and industrial methods). However, each of these methods has its advantages and disadvantages. Normally, the combination of these methods is more efficient in diazinon reduction. To this end, it is important to apply an effective method for diazinon reduction in the food products without affecting food quality or treating human health. It could be noticed that bioremediation by microorganisms such as probiotics could be a promising new method for diazinon's reduction in several food products.
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Affiliation(s)
- Amene Nematollahi
- Department of Food Safety and Hygiene, School of Health, Fasa University of Medical Sciences, Fasa, Iran.
| | - Farahnaz Rezaei
- Department of Food Safety and Hygiene, School of Health, Fasa University of Medical Sciences, Fasa, Iran
| | - Zahra Afsharian
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Neda Mollakhalili-Meybodi
- Department of Food Sciences and Technology, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
- Research Center for Food Hygiene and Safety, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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24
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Birdane YO, Avci G, Birdane FM, Turkmen R, Atik O, Atik H. The protective effects of erdosteine on subacute diazinon-induced oxidative stress and inflammation in rats. Environ Sci Pollut Res Int 2022; 29:21537-21546. [PMID: 34766221 DOI: 10.1007/s11356-021-17398-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
In today's world, pesticides are commonly used to control pests and in advanced agriculture. As an organophosphorus insecticide (OPI), diazinon (DZN) is a commonly used substance. However, the widespread usage of DZN increases the probability of incidence of toxication. This toxication has been reported to be shaped not through cholinergic syndromes that are experienced as a result of acetylcholinesterase inhibition, which is the primary effect of these cases. It is rather shaped by the altering of the facilitation of oxidative stress and inflammatory response. In this study, the protective effect of administering erdosteine (ERDOS) subacute DZN exposure was investigated. A total of 24 male Wistar albino rats were separated into 4 groups (with 6 rats in each group), namely, the control, DZN (15 mg/kg/day), ERDOS (10 mg/kg/day), and DZN + ERDOS (15 mg/kg/day DZN + 10 mg/kg/day ERDOS) groups. These medications were given through oral gavage for 28 days. With the whole blood, plasma, and serum samples taken from the rats, oxidant-antioxidant parameters and cytokine levels were measured. The MDA and NOx levels and SOD and CAT enzyme activities of the DZN group were higher than those of the control group, while the GSH levels and TAC and GPx activities of the DZN group were lower than those of the control group (p < 0.05). It was also found that cytokine (IL-1β, IL-10, and TNF-α) levels in the DZN group were higher than those in the control group (p < 0.05). On the other hand, the ERDOS implementations were detected to ameliorate the harmful effects of DZN on the oxidant-antioxidant parameters and cytokine levels (p < 0.05). Conclusively, besides the known mucolytic efficacy of ERDOS, it may also be stated to display free radical scavenger, antioxidant, and anti-inflammatory characteristics to inhibit some proinflammatory cytokines that are specifically involved in oxidative stress. Additionally, the ameliorating property of ERDOS can be benefited from in possible DZN-induced toxication cases.
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Affiliation(s)
- Yavuz Osman Birdane
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey.
| | - Gulcan Avci
- Department of Biochemistry, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Fatih Mehmet Birdane
- Department of Internal Medicine, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Ruhi Turkmen
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Orkun Atik
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Hulya Atik
- Department of Physiology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
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25
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Boyda J, Hawkey AB, Holloway ZR, Trevisan R, Di Giulio RT, Levin ED. The organophosphate insecticide diazinon and aging: Neurobehavioral and mitochondrial effects in zebrafish exposed as embryos or during aging. Neurotoxicol Teratol 2021; 87:107011. [PMID: 34224825 PMCID: PMC8440393 DOI: 10.1016/j.ntt.2021.107011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 06/25/2021] [Accepted: 06/28/2021] [Indexed: 11/18/2022]
Abstract
Organophosphate (OP) compounds comprise one of the most widely used classes of insecticides worldwide. OPs have been shown to have negative human health impacts, particularly developmental neurotoxicity. However, neurotoxic impacts in later adulthood and during the aging process are relatively uncharacterized. The present study examined diazinon (DZN), an OP, to determine the neurobehavioral consequences, in addition to mitochondrial dysfunction on a macroscale (whole organism basal respiration) and on a microscale (whole organ mitochondrial respiration), using zebrafish (ZF) as a model. One group of 14-month-old adult ZF were exposed acutely as adults (0.4, 1.25, and 4.0 μM) for five days and tested as adults, and another group was exposed developmentally 5-120 h post-fertilization (70, 210, and 700 nM) and tested at larval, adolescent, adult, and aging life stages. ZF exposed acutely as adults did not display many significant neurobehavioral impacts or mitochondrial dysfunction. Conversely, the embryonically exposed ZF showed altered behavioral functions at each stage of life which emerged and attenuated as fish transitioned from each developmental stage to the next. Mitochondrial oxygen consumptions measurement results for developmentally DZN exposed ZF showed significant increases in the low and middle dose groups in organs such as the brain and testes. Overall, there is an indication that early developmental exposure to DZN had continuing adverse neurobehavioral and cellular consequences throughout their lives well into adulthood and aging periods.
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Affiliation(s)
- Jonna Boyda
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Andrew B Hawkey
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Duke University, Durham, NC, USA
| | - Zade R Holloway
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Duke University, Durham, NC, USA
| | - Rafael Trevisan
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | | | - Edward D Levin
- Nicholas School of the Environment, Duke University, Durham, NC, USA; Department of Psychiatry and Behavioral Sciences, School of Medicine, Duke University, Durham, NC, USA.
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26
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Hashem HR. Evaluation of the postnatal effects induced by Diazinon on the Growth of the mice offspring and the development of their cerebellar cortex. Cells Tissues Organs 2021; 211:539-554. [PMID: 34425578 DOI: 10.1159/000518993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/05/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Heba R Hashem
- Anatomy and Embryology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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27
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Kermani M, Dowlati M, Gholami M, Sobhi HR, Azari A, Esrafili A, Yeganeh M, Ghaffari HR. A global systematic review, meta-analysis and health risk assessment on the quantity of Malathion, Diazinon and Chlorpyrifos in Vegetables. Chemosphere 2021; 270:129382. [PMID: 33418228 DOI: 10.1016/j.chemosphere.2020.129382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/13/2020] [Accepted: 12/17/2020] [Indexed: 06/12/2023]
Abstract
It is widely believed that an increasing trend in the production and consumption of vegetables has led to a dramatic rise in the use of pesticides potentially threatening the health of consumers around the world. This systematic study along with meta-analysis has mainly centered on the evaluation of the quantity of three well-known pesticides namely, Malathion (MLT), Diazinon (DZN) and Chlorpyrifos (CPF) in vegetables. In this regard, a comprehensive literature search has been performed over the last decade (January 1, 2011 to June 21, 2020) within the scientific databases including PubMed, Web of Science, and Scopus. Of 1239 articles identified through the database screening, 22 plus 37 data report were retained and included in the meta-analysis phase. Additionally, the probabilistic human health risks for the consumers due to the intake of CPF, DZN and MLT from eating vegetables were estimated by the Monte Carlo Simulated (MCS) method. According to the findings, the maximum quantities of MLT, DZN and CPF in the vegetables were observed in Pakistan (222 μg/kg, 95%CI = 214.94-229.08), Thailand (245.00, 95% CI = 235.2-254.8) and South Korea (440 μg/kg, 95% CI = 437.19-442.81), while the lowest concentration levels were reported in China (1.7 μg/kg, 95% CI = 1.56-1.84), Poland (0.57, 95% CI = 0.46-0.68) and Poland (5.78 μg/kg, 95% CI = 4.40-7.12), respectively. The results of the Egger's and the Begg's tests revealed that no bias with regard to the potential publication was observed. Finally, non-carcinogenic risk assessment results demonstrated that the exposure to the studied pesticides thorough vegetables consumption could not threaten the health of consumers.
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Affiliation(s)
- Majid Kermani
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mohsen Dowlati
- Department of Health in Disasters and Emergencies, School of Health Management and Information Science, Iran University of Medical Sciences, Tehran, Iran
| | - Mitra Gholami
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | | | - Ali Azari
- Department of Environmental Health Engineering, School of Public Health, Kashan University of Medical Sciences, Kashan, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Esrafili
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Yeganeh
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
| | - Hamid Reza Ghaffari
- Food Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
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28
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Zhao S, Wesseling S, Spenkelink B, Rietjens IMCM. Physiologically based kinetic modelling based prediction of in vivo rat and human acetylcholinesterase (AChE) inhibition upon exposure to diazinon. Arch Toxicol 2021; 95:1573-1593. [PMID: 33715020 PMCID: PMC8113213 DOI: 10.1007/s00204-021-03015-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/25/2021] [Indexed: 01/30/2023]
Abstract
The present study predicts in vivo human and rat red blood cell (RBC) acetylcholinesterase (AChE) inhibition upon diazinon (DZN) exposure using physiological based kinetic (PBK) modelling-facilitated reverse dosimetry. Due to the fact that both DZN and its oxon metabolite diazoxon (DZO) can inhibit AChE, a toxic equivalency factor (TEF) was included in the PBK model to combine the effect of DZN and DZO when predicting in vivo AChE inhibition. The PBK models were defined based on kinetic constants derived from in vitro incubations with liver fractions or plasma of rat and human, and were used to translate in vitro concentration-response curves for AChE inhibition obtained in the current study to predicted in vivo dose-response curves. The predicted dose-response curves for rat matched available in vivo data on AChE inhibition, and the benchmark dose lower confidence limits for 10% inhibition (BMDL10 values) were in line with the reported BMDL10 values. Humans were predicted to be 6-fold more sensitive than rats in terms of AChE inhibition, mainly because of inter-species differences in toxicokinetics. It is concluded that the TEF-coded DZN PBK model combined with quantitative in vitro to in vivo extrapolation (QIVIVE) provides an adequate approach to predict RBC AChE inhibition upon acute oral DZN exposure, and can provide an alternative testing strategy for derivation of a point of departure (POD) in risk assessment.
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Affiliation(s)
- Shensheng Zhao
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.
| | - Sebastiaan Wesseling
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Bert Spenkelink
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University and Research, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
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29
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Farouk SM, Gad FAM, Emam MA. Comparative immuno-modulatory effects of basil and sesame seed oils against diazinon-induced toxicity in rats; a focus on TNF-α immunolocalization. Environ Sci Pollut Res Int 2021; 28:5332-5346. [PMID: 32964385 DOI: 10.1007/s11356-020-10840-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 09/13/2020] [Indexed: 06/11/2023]
Abstract
Diazinon (DZN), a common organophosphorus insecticide (OPI), has hazardous effect to human and animals with its ubiquitous use. Considering the implication of reactive oxygen species (ROS) in the OPIs toxicity, the present study was aimed to evaluate the ameliorative properties of basil (BO) and sesame (SO) seed oils against the toxic effect of DZN. Forty adult male albino rats were divided into four experimental groups (n = 10 rats/group); control, DZN (10 mg/kg b.w/day), DZN + BO (5 ml/kg b.w/day), and DZN + SO (8 ml/kg b.w/day) groups, treated for a period of 4 weeks. DZN-exposed animals showed significant elevation in serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), blood urea nitrogen (BUN), and creatinine (Cr) with a significant decline in testosterone level compared with control. On the other hand, DZN + BO and DZN + SO groups revealed significant decreases in ALT, AST, BUN, and Cr with a significant increase in testosterone level when compared with DZN-exposed animals. Oxidative/antioxidant indices revealed significant increases of malondialdehyde (MDA) levels along with significant decreases of superoxide dismutase (SOD), glutathione peroxidase (Gpx), and catalase (CAT) activities among DZN-treated rats compared with control. Distinctly lower levels of MDA and increased activities of SOD, Gpx, and CAT were evident in both DZN + BO and DZN + SO groups when compared with DZN-exposed animals. Inflammatory and immuno-modulatory markers assessment showed a significant increase in TNF-α with a significant decline in IL-10 level in DZN group; meanwhile, both DZN + BO and DZN + SO groups revealed significant declines in levels of TNF-α with significant increases in IL-10. Corresponds immunohistochemistry, the total scores (TS) of TNF-α immunostainings in hepatorenal, testicular, and epididymal tissues of control, DZN + BO and DZN + SO groups were significantly lower than those values of DZN group. Additionally, the examined tissues of DZN + BO group revealed significant lower TS of TNF-α immunostaining compared with DZN + SO group. The overall data suggested that both BO and SO can be efficiently used as preventive herbal compounds against DZN-induced oxidative stress with special reference to their possible antioxidant, anti-inflammatory, and free radical activities. However, BO has more potent protective effect against DZN-induced tissue injury at both immunohistochemical and molecular levels.
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Affiliation(s)
- Sameh Mohamed Farouk
- Cytology and Histology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
| | - Fatma Abdel-Monem Gad
- Clinical Pathology Department, Faculty of Veterinary Medicine, Benha University, Banha, 13736, Egypt
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30
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Tang J, Wang W, Jiang Y, Chu W. Diazinon exposure produces histological damage, oxidative stress, immune disorders and gut microbiota dysbiosis in crucian carp (Carassius auratus gibelio). Environ Pollut 2021; 269:116129. [PMID: 33261961 DOI: 10.1016/j.envpol.2020.116129] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 10/27/2020] [Accepted: 11/17/2020] [Indexed: 05/27/2023]
Abstract
Diazinon is a common organophosphate pesticide widely used to control parasitic infections in agriculture. Excessive use of diazinon can have adverse effects on the environment and aquatic animal health. In the present study, the toxic effects of diazinon on the histology, antioxidant, innate immune and intestinal microbiota community composition of crucian carp (Carassius auratus gibelio) were investigated. The results showed that diazinon at the tested concentration (300 μg/L) induced gill and liver histopathological damages. Hepatic total superoxide dismutase (T-SOD), catalase (CAT), and glutathione S-transferase (GST) activities significantly decreased (P < 0.05) by 32.47%, 65.33% and 37.34%, respectively. However, the liver tissue malondialdehyde (MDA) content significantly (P < 0.05) increased by 138.83%. The 300 μg/L diazinon significantly (P < 0.05) downregulated the gene expression of TLR4, MyD88, NF-kB p100 and IL-8 but had no significant effect TNF-α (P = 0.8239). In addition, the results demonstrated that diazinon exposure could affect the intestinal microbiota composition and diversity. Taken together, the results of this study indicated that diazinon exposure can cause damage to crucian carp, induce histopathological damage in gill and liver tissues, oxidative stress in the liver, and innate immune disorders and alter intestinal microbiota composition and diversity.
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Affiliation(s)
- Jiali Tang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Wenqian Wang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Yuanhe Jiang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Weihua Chu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China.
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Farkhondeh T, Aschner M, Sadeghi M, Mehrpour O, Naseri K, Amirabadizadeh A, Roshanravan B, Aramjoo H, Samarghandian S. The effect of diazinon on blood glucose homeostasis: a systematic and meta-analysis study. Environ Sci Pollut Res Int 2021; 28:4007-4018. [PMID: 33175357 DOI: 10.1007/s11356-020-11364-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 10/21/2020] [Indexed: 06/11/2023]
Abstract
Though evidence exists on the association between diazinon (DZN), an organophosphate pesticide, with hyperglycemia, contrasting reports also exist. Herein, we performed a systematic and meta-analysis study to address this issue. A systematic search was conducted in PubMed, Ovid Medline, Google Scholar, Scopus, and Web of Science up to April 5, 2020, searching for animal studies (rodents and fish) that assessed the impact of DZN on blood glucose concentration. The risk of bias was assessed by the SYRCLE's RoB scale. Once each article's quality was assessed, a random-effects meta-regression was used to pool the data into a meta-analysis. Heterogeneity between the studies was evaluated with the I square and Q test. Random-effect meta-analysis of 19 studies (I2 = 90.5%, p < 0.001) indicated low heterogeneity between the studies. DZN significantly increased blood glucose levels in the exposed versus control groups (95% CI: 2.46-4.94; Z = 5.86; p < 0.001). Subgroup analysis indicated that the effect of high-dose (3.40 (95% CI: 2.03-4.76)) DZN on changes in blood glucose was more pronounced than in the low dose (4.83 (95% CI: 1.56-8.11)). It was also ascertained that the blood glucose level was significantly higher in females (3.55 (95% CI: 2.21-4.89)) versus males (4.87 (95% CI: 0.20-9.55)) exposed to DZN. No publication bias was observed. Sensitivity analysis showed the robustness of the (standardized mean differences: 3.26-4.03). Our findings establish an association between DZN exposure and hyperglycemia in rodents and fish, which is both dose- and gender-dependent.
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Affiliation(s)
- Tahereh Farkhondeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Forchheimer 209, 1300 Morris Park Avenue, Bronx, NY, USA
| | - Mahmood Sadeghi
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
| | - Omid Mehrpour
- Arizona Poison & Drug Information Center, the University of Arizona, college of pharmacy and university of Arizona, Tucson, Arizona, USA
- Scientific unlimited horizon, Tucson, Arizona, USA
| | - Kobra Naseri
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Alireza Amirabadizadeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Babak Roshanravan
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Hamed Aramjoo
- Student Research Committee, BSc Student in Medical LaboratoryScience, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Aramjoo H, Farkhondeh T, Aschner M, Naseri K, Mehrpour O, Sadighara P, Roshanravan B, Samarghandian S. The association between diazinon exposure and dyslipidemia occurrence: a systematic and meta-analysis study. Environ Sci Pollut Res Int 2021; 28:3994-4006. [PMID: 33159230 DOI: 10.1007/s11356-020-11363-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 10/21/2020] [Indexed: 06/11/2023]
Abstract
The effects of diazinon (DZN), an organophosphate pesticide, on lipid profiles have been extensively reported. However, controversy on this issue persists. Here, we performed a systematic and meta-analysis study to investigate the association between DZN exposure and dyslipidemia in rodents and fish species. This systematic review was prepared according to the PRISMA guidelines. Main databases, including Google Scholar, Scopus, PubMed, Ovid MEDLINE, and Web of Science, were systematically searched through March 4, 2020. The risk of bias was evaluated with the SYRCLE's RoB tool. Once all articles were assessed for scientific quality, a random-effects model was applied to perform a pooled analysis. I2 and Q test were used to assess the heterogeneity between articles, and Forest plots, indicating point and pooled estimates, were drawn. Twenty-eight articles were included; between them, 13 publications were selected for meta-analysis. Random-effects meta-analysis showed low heterogeneity between the articles. A pooled analysis indicated that DZN significantly increased total cholesterol levels (95% CI: 0.86-3.79; Z = 3.10; p = 0.002), triglyceride (95% CI: 0.38-3.22; Z = 2.48; p = 0.09), low-density lipoprotein cholesterol (95% CI: 0.25-2.85; Z = 2.34; p = 0.7) in the DZN vs. control groups. In addition, DZN significantly decreased high-density lipoprotein cholesterol (95% CI: - 2.92, - 0.42; Z = 2.62; p = 0.07) in the DZN vs. control groups. No publication bias was observed. Our findings suggest that DZN induces dyslipidemia in rodents and fish species in a dose-dependent manner.
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Affiliation(s)
- Hamed Aramjoo
- Student Research Committee, BSc Student in Medical Laboratory Science, Birjand University of Medical Sciences, Birjand, Iran
| | - Tahereh Farkhondeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Micheal Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Forchheimer 209 1300 Morris Park Avenue, Bronx, NY, USA
| | - Kobra Naseri
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Omid Mehrpour
- Arizona Poison & Drug Information Center, the University of Arizona, College of Pharmacy and University of Arizona, Tucson, AZ, USA
- Scientific Unlimited Horizon, Tucson, AZ, USA
| | - Parisa Sadighara
- Department of Environmental Health Engineering, Food Safety Division, School of Public Health and Center for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Babak Roshanravan
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Mena F, González-Ortegón E, Solano K, Araújo CVM. The effect of the insecticide diazinon on the osmoregulation and the avoidance response of the white leg shrimp (Penaeus vannamei) is salinity dependent. Ecotoxicol Environ Saf 2020; 206:111364. [PMID: 32980654 DOI: 10.1016/j.ecoenv.2020.111364] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/09/2020] [Accepted: 09/14/2020] [Indexed: 06/11/2023]
Abstract
Diazinon is one of the insecticides that represent a high risk for Costa Rican estuarine environments due to its widespread use in pineapple plantations. In estuaries, organisms are frequently submitted to stress caused by natural factors (e.g., continuous changes in salinity levels) and, additionally, to stress due to contamination. Therefore, the driving question of this study was: will organisms be more susceptible to suffer the deleterious effects caused by diazinon because of the stress resulting from the salinity changes? The estuarine shrimp Penaeus vannamei was used as the model organism and two responses were measured: osmoregulation (the physiological effect after a forced and continuous 24 h-exposure) and avoidance [the behavioural effect after a short (3 h) non-forced, multi-compartmented exposure]. Juveniles were exposed to diazinon (0.1, 1, 10 and 100 μg/L) at three different salinities (10, 20 and 30). Disruption in the capacity to regulate the haemolymph osmotic pressure was observed at a salinity of 30 in individuals exposed to diazinon and methanol (used as vehicle). At that salinity, the ability of shrimps to detect and avoid the highest diazinon concentrations was impaired. P. vannamei juveniles inhabit environments with a high variation in salinity, but with an optimum osmotic point close to a salinity of 20; therefore, the higher the salinity, the greater the vulnerability of shrimps to the effects of diazinon. From an ecological point of view, this combined effect of salinity and contamination might also limit the spatial distribution of the organisms.
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Affiliation(s)
- Freylan Mena
- Instituto Regional de Estudios en Sustancias Tóxicas (IRET), Universidad Nacional, 86-3000, Heredia, Costa Rica.
| | - Enrique González-Ortegón
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalucía (CSIC), 11510, Puerto Real, Cádiz, Spain
| | - Karla Solano
- Instituto Regional de Estudios en Sustancias Tóxicas (IRET), Universidad Nacional, 86-3000, Heredia, Costa Rica
| | - Cristiano V M Araújo
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalucía (CSIC), 11510, Puerto Real, Cádiz, Spain
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Miranda CA, Guimarães ARDJS, Bizerra PFV, Mingatto FE. Diazinon impairs bioenergetics and induces membrane permeability transition on mitochondria isolated from rat liver. J Toxicol Environ Health A 2020; 83:616-629. [PMID: 32787525 DOI: 10.1080/15287394.2020.1805078] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Diazinon (DZN) is a broad-spectrum insecticide extensively used to control pests in crops and animals. Several investigators demonstrated that DZN produced tissue toxicity especially to the liver. In addition, the mitochondrion was implicated in DZN-induced toxicity, but the precise role of this organelle remains to be determined. The aim of this study was thus to examine the effects of DZN (50 to 150 μM) on the bioenergetics and mitochondrial permeability transition (MPT) associated processes in isolated rat liver mitochondria. DZN inhibited state-3 respiration in mitochondria energized with glutamate plus malate, substrates of complex I, and succinate, substrate of complex II of the respiratory chain and decreased the mitochondrial membrane potential resulting in inhibition of ATP synthesis. MPT was estimated by the extent of mitochondrial swelling, in the presence of 10 µM Ca2+. DZN elicited MPT in a concentration-dependent manner, via a mechanism sensitive to cyclosporine A, EGTA, ruthenium red and N-ethylmaleimide, which was associated with mitochondrial Ca2+ efflux and cytochrome c release. DZN did not result in hydrogen peroxide accumulation or glutathione oxidation, but this insecticide oxidized endogenous NAD(P)H and protein thiol groups. Data suggest the involvement of mitochondria, via apoptosis, in the hepatic cytotoxicity attributed to DZN.
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Affiliation(s)
- Camila Araújo Miranda
- Department of Animal Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp) , Dracena, Brazil
| | | | - Paulo Francisco Veiga Bizerra
- Department of Animal Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp) , Dracena, Brazil
| | - Fábio Erminio Mingatto
- Department of Animal Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp) , Dracena, Brazil
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Abdelhamid FM, Elshopakey GE, Aziza AE. Ameliorative effects of dietary Chlorella vulgaris and β-glucan against diazinon-induced toxicity in Nile tilapia (Oreochromis niloticus). Fish Shellfish Immunol 2020; 96:213-222. [PMID: 31821844 DOI: 10.1016/j.fsi.2019.12.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/30/2019] [Accepted: 12/06/2019] [Indexed: 06/10/2023]
Abstract
The present study was carried out to investigate the toxic effects of diazinon on growth performance, hepato-renal function, antioxidant system, innate immune response and comparing the protective role of dietary Chlorella vulgaris (CV) algae and β-glucan in intoxicated Nile tilapia (Oreochromis niloticus). One hundred and eighty healthy Nile tilapia (20 ± 6.1 g) were distributed equally into four groups; control group, DZN group (0.28 mg/L), DZN-CV group (5% CV) and DZN-β-glucan group (0.1% β-glucan) and treatments conducted for about 60 days. The results revealed that administration of DZN significantly increased serum liver enzymes, uric acid, creatinine, and malondialdehyde (MDA) in different tissues. Meanwhile, glutathione (GSH) and superoxide dismutase (SOD) in different tissues, as well as IgM, C-reactive protein (CRP), respiratory burst, lysozyme and bactericidal activities were significantly decreased in DZN group. In addition, expression of TNF-α gene was up-regulated and IL-10 was down-regulated in spleen of DZN intoxicated fish. The treatment of DZN exposed fish with CV and β-glucan supplemented diets ameliorated hepatic damage and enhanced antioxidant activity and innate immune responses. Furthermore, dietary Chlorella vulgaris and β-glucan have a potent anti-inflammatory effect as they remarkably increased the expression of IL-10 and decreased TNF-α gene expression. The results also revealed that fish in DZN-CV group had the highest survival rate, final body weight (FBW) and body weight gain (BWG). On the other hand, feed conversion ratio (FCR), specific growth rate (SGR), and protein efficiency ratio (PER) of control, DZN-CV, and DZN- β-glucan were higher than DZN group. However, the hepatosomatic index (HSI) and spleen-somatic index (SSI) were higher in DZN group than other experimental groups. Overall, CV and β-glucan can be recommended as a feed supplement to improve immunosuppression, oxidative damage, growth performance and hemato-biochemical alterations induced by DZN toxicity in Nile tilapia.
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Affiliation(s)
- Fatma M Abdelhamid
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura, University, Mansoura, Egypt
| | - Gehad E Elshopakey
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura, University, Mansoura, Egypt.
| | - Abeer E Aziza
- Department of Nutrition and Nutritional Deficiency Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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Pourmoghadam MN, Poorbagher H, de Oliveira Fernandes JM, Jafari O. Diazinon negatively affects the integrity of environmental DNA stability: a case study with common carp (Cyprinus carpio). Environ Monit Assess 2019; 191:672. [PMID: 31650301 DOI: 10.1007/s10661-019-7816-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 09/11/2019] [Indexed: 06/10/2023]
Abstract
Environmental DNA (eDNA) has been used to detect the presence of various species in aquatic ecosystems, but its degradation by several environmental factors can influence the correct identification of aquatic organisms. The present study examined the effects of a pesticide, diazinon, on breakage of Cyprinus carpio eDNA. The specimens were exposed to 0 (control), 0.06, 0.1, and 1 ppm of diazinon for 9 days. Water samples were collected at three time points (3, 6, and 9 days postexposure, dpe), and eDNA was extracted. The cytochrome oxidase I (COI) gene was successfully amplified by PCR, and a fuzzy inference system was used to convert DNA smears and breakage to numerical values. eDNA breakage percentage increased with diazinon concentration at all sampling times. At 3 dpe, the maximum eDNA breakage percentage occurred at 0.06 and 0.1 ppm of diazinon; whereas at 6 and 9 dpe, the maximum breakage was found at 1 ppm of diazinon, while exposure time had no significant effect. To the best of our knowledge, this is the first study to demonstrate that eDNA integrity can be compromised by a diazinon in surface waters. Hence, it is recommended that future eDNA studies take into account pesticide pollution when detecting aquatic species.
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Affiliation(s)
- Maryam Nasrolah Pourmoghadam
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Box 4314, Karaj, PO, Iran
- Faculty of Biosciences and Aquaculture, Nord University, 8049, Bodø, Norway
| | - Hadi Poorbagher
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Box 4314, Karaj, PO, Iran.
| | | | - Omid Jafari
- Faculty of Biosciences and Aquaculture, Nord University, 8049, Bodø, Norway
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
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Kovacevic V, Simpson AJ, Simpson MJ. Metabolic profiling of Daphnia magna exposure to a mixture of hydrophobic organic contaminants in the presence of dissolved organic matter. Sci Total Environ 2019; 688:1252-1262. [PMID: 31726555 DOI: 10.1016/j.scitotenv.2019.06.222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 06/11/2019] [Accepted: 06/14/2019] [Indexed: 06/10/2023]
Abstract
The hydrophobic organic contaminants triclosan, triphenyl phosphate (TPhP) and diazinon sorb to dissolved organic matter (DOM) and this may alter their bioavailability and toxicity. 1H nuclear magnetic resonance (NMR)-based metabolomics was used to investigate how DOM at 1 and 5 mg organic carbon/L may alter the metabolome of Daphnia magna from exposure to equitoxic mixtures of triclosan, TPhP and diazinon. These contaminants have different modes of action toward D. magna. The contaminant concentrations in each mixture were an equal percentage of their lethal concentration to 50% of the population (LC50) values, which equates to 1250 μg/L TPhP, 330 μg/L triclosan and 0.9 μg/L diazinon. The ternary mixture exposure at 1% LC50 values did not alter the D. magna metabolome. Contaminant mixture exposures at 5%, 10%, and 15% LC50 values decreased glucose, serine and glycine concentrations and increased asparagine and threonine concentrations, suggesting disruptions in energy metabolism. The contaminant mixture had a unique mode of action in D. magna and DOM at 1 and 5 mg organic carbon/L did not change this mode of action. The estimated sorption of triclosan, TPhP or diazinon to DOM at 1 or 5 mg organic carbon/L in this experimental design was calculated to be <50% for each contaminant. This suggests that the mode of action of the contaminant mixture was not altered by DOM because the two environmentally relevant concentrations of DOM may have not substantially altered contaminant bioavailability. Our results indicate that DOM may not inevitably mitigate or alter the sub-lethal toxicity of a mixture of hydrophobic organic contaminants. This indicates the complexity of predicting the molecular-level toxicity of environmental mixtures. For adequate risk assessment of freshwater ecosystems, it is vital to account for the combined sub-lethal toxicity of an environmental mixture of contaminants.
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Affiliation(s)
- Vera Kovacevic
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada; Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
| | - André J Simpson
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada; Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
| | - Myrna J Simpson
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada; Environmental NMR Centre, Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada.
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Nazeri S, Mojazi Amiri B, Farahmand H, Raine JC. Triiodothyronine reduces toxic effects of diazinon in Persian sturgeon (Acipenser persicus) embryos. Comp Biochem Physiol C Toxicol Pharmacol 2019; 224:108557. [PMID: 31181291 DOI: 10.1016/j.cbpc.2019.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 06/03/2019] [Accepted: 06/05/2019] [Indexed: 12/07/2022]
Abstract
Thyroid hormones (THs) play an important role in early stages development of fish species. Manual elevation of THs in the embryos improves viability and hatching success. However, the impacts of endocrine disrupting chemicals on THs-treated embryos are unclear. This study investigated the effect of triiodothyronine (T3) to mitigate toxic effects of diazinon in the endangered Persian sturgeon (Acipenser persicus) eggs and embryos. Fertilized eggs were exposed to nominal concentrations of 0, 2, 4, 6, and 8 mg/L diazinon and the 96 h LC50 value was calculated at 3.5 mg/L. Eggs were then treated with exogenous T3 (1 ng/mL: LT3, and 10 ng/mL: HT3) and exposed to 3.5 mg/L diazinon (DLT3 and DHT3). Total THs concentrations, levels of cortisol, and expression of the igf-II gene were measured during embryogenesis. All the measured endpoints were significantly different between treatments or stages of incubation. Generally, despite insignificance in some cases, higher levels of T3 and Thyroxin (T4) were observed in T3-treated embryos regardless of the presence of diazinon. Cortisol was high in unfertilized eggs which reduced after fertilization. The igf-II gene up-regulated quickly after fertilization; was higher in T3-treated embryos. Exposure of eggs to diazinon reduced the levels of T3, T4, and igf-II gene expression, which corresponded to the lowest hatching. We concluded that exogenous T3 improves embryos development in A. persicus, which is a promising application for conservation strategies. Our study suggests that treating embryos with 10 ng/L T3 is a suitable way to overcome problems of incubation in diazinon-polluted water sources.
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Affiliation(s)
- Samaneh Nazeri
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
| | - Bagher Mojazi Amiri
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
| | - Hamid Farahmand
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran.
| | - Jason C Raine
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
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Fu G, Huang X, Qin B, Wu Y, Wang Y, Zhao S, Zhou J, Fang W. Effects of emodin on ABC transporter gene expression in grass carp (Ctenopharyngodon idellus) exposed to diazinon. PLoS One 2019; 14:e0219866. [PMID: 31365567 PMCID: PMC6668774 DOI: 10.1371/journal.pone.0219866] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 07/02/2019] [Indexed: 12/12/2022] Open
Abstract
This study aimed to investigate the function of ATP-binding cassette (ABC) transporter genes in grass carp treated with emodin combined with diazinon (DZN) exposure. The transcription levels of five ABC transporter genes in different tissues of grass carp and at different time points were measured by real-time quantitative PCR (qRT-PCR). The analysis of different tissues showed higher ABCB1 expression in the skin (26-fold) and gill (2-fold) than in the liver. In addition, ABCB11 expression was higher in the skin (109-fold) and gill (57-fold) than in the liver, ABCC1 was more highly expressed in the gill (50-fold) than in the liver, and ABCG2 was expressed at higher levels in the skin (659-fold, p < 0.01), gill (628-fold, p < 0.01) and liver (659-fold, p < 0.01) than in brain tissue. The analysis of different time points revealed that the ABCB1, ABCB11, ABCC1, ABCC2 and ABCG2 genes were highly expressed at 24 h in the liver in the experimental group. However, analysis of the intestinal tissue of the experimental group showed that the expression of ABCB1 and ABCB11 peaked at 6 h, the expression of ABCC1 and ABCC2 peaked at 5 d, and the expression of ABCG2 peaked at 3 d. Furthermore, the emodin concentrations in the liver and intestine reached their peak levels (50.18 and 117.24 μg·ml−1, respectively) after 48 and 1 h of treatment with emodin combined with DZN, respectively. The peak DZN concentrations in the liver (1.42 ng·ml−1) and intestine (0.2 ng·ml−1) were detected 3 and 6 h after emodin treatment combined with DZN, respectively. In conclusion, this study shows that the transcript levels of ABC transporters respond to the presence of emodin, which indicates their potential involvement in and contribution with the metabolic process in grass carp.
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Affiliation(s)
- Guihong Fu
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Xuanyun Huang
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Bo Qin
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Yanqing Wu
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Yuan Wang
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Shu Zhao
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Junfang Zhou
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Wenhong Fang
- Key Laboratory of East China Sea Fishery Resources Exploitation, Ministry of Agriculture and Rural Affairs; East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- * E-mail:
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Abdel-Diam MM, Samak DH, El-Sayed YS, Aleya L, Alarifi S, Alkahtani S. Curcumin and quercetin synergistically attenuate subacute diazinon-induced inflammation and oxidative neurohepatic damage, and acetylcholinesterase inhibition in albino rats. Environ Sci Pollut Res Int 2019; 26:3659-3665. [PMID: 30535736 DOI: 10.1007/s11356-018-3907-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 12/04/2018] [Indexed: 06/09/2023]
Abstract
The ubiquitous use of diazinon (DZN, an organophosphorus insecticide) has increased the probability of occupational, public, and the ecosystem exposure; these exposures are linked to negative health outcomes. The flavonoids curcumin (CUR) and quercetin (QUE) exert significant anti-inflammatory and antioxidant activities against toxicants, including insecticides. However, it is unclear whether their combination enhances these activities. Therefore, 40 albino rat were divided randomly into the CTR, DZN, CUR + DZN, QUE + DZN, and CUR + QUE + DZN groups, which are treated daily via gavage for 28 days. DZN induced neurohepatic inflammation and oxidative damage, which was confirmed by significant (P < 0.05) induction of aspartate and alanine aminotransferases, alkaline phosphatase, lactate dehydrogenase, γ-glutamyl transferase, and tumor necrosis factor-α and inhibition of acetylcholinesterase activity. Furthermore, the liver and brain of DZN-exposed rats exhibited a notable elevation in MDA level paralleled with reduction in antioxidant molecules, i.e., glutathione, superoxide dismutase, glutathione peroxidase, and catalase. The pretreatment of DZN-intoxicated rats with CUR or QUE substantially mitigated neurohepatic dysfunction and inflammation and improved liver and brain antioxidant status with reducing oxidative stress levels. Furthermore, pretreatment with CUR + QUE synergistically restored the neurohepatic dysfunction and oxidative levels to approximately normal levels. The overall results suggested that CUR or QUE inhibits DZN-mediated neurohepatic toxicity via their favorable anti-inflammatory, antioxidant, and free radical-scavenging activities. Moreover, both QUE and CUR may be mutual adjuvant agents against oxidative stress neurohepatic damages.
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Affiliation(s)
- Mohamed M Abdel-Diam
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
| | - Dalia H Samak
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, Egypt
| | - Yasser S El-Sayed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, Egypt
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, 25030, Besançon Cedex, France
| | - Saud Alarifi
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Saad Alkahtani
- Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
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Wang W, Luo SM, Ma JY, Shen W, Yin S. Cytotoxicity and DNA Damage Caused from Diazinon Exposure by Inhibiting the PI3K-AKT Pathway in Porcine Ovarian Granulosa Cells. J Agric Food Chem 2019; 67:19-31. [PMID: 30525588 DOI: 10.1021/acs.jafc.8b05194] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Organophosphorus insecticide diazinon (DZN) is diffusely used in agriculture, home gardening, and crop peats. Much work so far has focused on the link between DZN exposure and the occurrence of neurological diseases, while little is known on the reproductive toxicological assessment on DZN exposure. This research aimed to investigate the underlying mechanisms of toxic hazards for DZN exposure on cultured porcine ovarian granulosa cells. We analyzed the oxidative stress, energy metabolism, DNA damage, apoptosis, and autophagy by using high-throughput RNA-seq, immunofluorescence, Western blotting, and real-time PCR. The combined data demonstrated that DZN exposure could cause excessive ROS and DNA damage, which induced apoptosis and autophagy by inhibiting the PI3K-AKT pathway. The down-regulated CYP19A1 protein and granulosa cell deaths increase the risk for developing premature ovarian failure and follicular atresia. In conclusion, DZN exposure has obvious reproductive toxicity by induction of granulosa cell death through pathways connected to DNA damage and oxidative stress by inhibiting the PI3K-AKT pathway.
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Affiliation(s)
- Wei Wang
- College of Life Sciences, Institute of Reproductive Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Shi-Ming Luo
- College of Life Sciences, Institute of Reproductive Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Jun-Yu Ma
- College of Life Sciences, Institute of Reproductive Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Wei Shen
- College of Life Sciences, Institute of Reproductive Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Shen Yin
- College of Life Sciences, Institute of Reproductive Sciences , Qingdao Agricultural University , Qingdao 266109 , China
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Hernández-Moreno D, Míguez MP, Soler F, Pérez-López M. Influence of sex on biomarkers of oxidative stress in the kidney, lungs, and liver of rabbits after exposure to diazinon. Environ Sci Pollut Res Int 2018; 25:32458-32465. [PMID: 30232776 DOI: 10.1007/s11356-018-3258-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/14/2018] [Indexed: 06/08/2023]
Abstract
The present study evaluated the effect of two oral doses of the pesticide diazinon (25 and 125 mg/kg bw) on four biochemical parameters (malondialdehyde and glutathione levels, and catalase and glutathione S-transferase enzymatic activities) in the kidney, lungs, and liver of rabbit after 10 days of exposure. Malondialdehyde levels were significantly greater in exposed animals compared to controls, especially in the animals exposed to the higher dose of the pesticide. This result was reflected in the glutathione levels, which were significantly lower at that same higher dose. Catalase activity was also inhibited by the higher dose of the pesticide in all three organs analysed, whereas inhibition of glutathione S-transferase activity was only significant for the kidney and lungs. There were some slight differences between the sexes: taking the results for all three organs, the higher dose of diazinon resulted in a clearly significant inhibitory effect on the catalase activity and glutathione levels in males, and a significant enhancing effect on the malondialdehyde levels in females. These results help to confirm the interest of considering such endogenous factors in future ecotoxicological studies, and that the four biomarkers considered are suitable for reflecting the toxic effects of diazinon on rabbits, especially the effects related to oxidative stress. Graphical abstract.
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Affiliation(s)
- David Hernández-Moreno
- Toxicology Area, Faculty of Veterinary Medicine (UEX), Avda de la Universidad s/n., 10003, Caceres, Spain
- Universidad Autónoma de Chile (Chile), Región Metropolitana, Chile
- National Institute for Agricultural and Food Research and Technology (INIA), 28040, Madrid, Spain
| | - María Prado Míguez
- Toxicology Area, Faculty of Veterinary Medicine (UEX), Avda de la Universidad s/n., 10003, Caceres, Spain
| | - Francisco Soler
- Toxicology Area, Faculty of Veterinary Medicine (UEX), Avda de la Universidad s/n., 10003, Caceres, Spain
| | - Marcos Pérez-López
- Toxicology Area, Faculty of Veterinary Medicine (UEX), Avda de la Universidad s/n., 10003, Caceres, Spain.
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Steele WB, Kristofco LA, Corrales J, Saari GN, Haddad SP, Gallagher EP, Kavanagh TJ, Kostal J, Zimmerman JB, Voutchkova-Kostal A, Anastas P, Brooks BW. Comparative behavioral toxicology with two common larval fish models: Exploring relationships among modes of action and locomotor responses. Sci Total Environ 2018; 640-641:1587-1600. [PMID: 30021323 DOI: 10.1016/j.scitotenv.2018.05.402] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/31/2018] [Accepted: 05/31/2018] [Indexed: 05/15/2023]
Abstract
Behavioral responses inform toxicology studies by rapidly and sensitively detecting molecular initiation events that propagate to physiological changes in individuals. These behavioral responses can be unique to chemical specific mechanisms and modes of action (MOA) and thus present diagnostic utility. In an initial effort to explore the use of larval fish behavioral response patterns in screening environmental contaminants for toxicity and to identify behavioral responses associated with common chemical specific MOAs, we employed the two most common fish models, the zebrafish and the fathead minnow, to define toxicant induced swimming activity alterations during interchanging photoperiods. Though the fathead minnow (Pimephales promelas) is a common model for aquatic toxicology research and regulatory toxicology practice, this model has received little attention in behavioral studies compared to the zebrafish, a common biomedical model. We specifically compared behavioral responses among 7 different chemicals (1-heptanol, phenol, R-(-)-carvone, citalopram, diazinon, pentylenetetrazole (PTZ), and xylazine) that were selected and classified based on anticipated MOA (nonpolar narcosis, polar narcosis, electrophile, specific mechanism) according to traditional approaches to examine whether these comparative responses differ among chemicals with various structure-based predicted toxicity. Following standardized experimental guidelines, zebrafish embryos and fathead minnow larvae were exposed for 96 h to each compound then were observed using digital behavioral analysis. Behavioral observations included photomotor responses, distance traveled, and stimulatory, refractory and cruising locomotor activity. Though fathead minnow larvae displayed greater behavioral sensitivity to 1-heptanol, phenol and citalopram, zebrafish were more sensitive to diazinon and R-(-)-carvone. Both fish models were equally sensitive to xylazine and PTZ. Further, the pharmaceuticals citalopram and xylazine significantly affected behavior at therapeutic hazard values, and each of the seven chemicals elicited unique behavioral response profiles. Larval fish behaviors appear useful as early tier diagnostics to identify mechanisms and pathways associated with diverse biological activities for chemicals lacking mechanistic data.
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Affiliation(s)
- W Baylor Steele
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, TX, USA; Institute of Biomedical Studies, Waco, TX, USA
| | - Lauren A Kristofco
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, TX, USA
| | - Jone Corrales
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, TX, USA
| | - Gavin N Saari
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, TX, USA
| | - Samuel P Haddad
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, TX, USA
| | | | | | - Jakub Kostal
- George Washington University, Washington, DC, USA
| | | | | | | | - Bryan W Brooks
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Baylor University, Waco, TX, USA; Institute of Biomedical Studies, Waco, TX, USA.
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Flynn K, Lothenbach D, Whiteman F, Hammermeister D, Swintek J, Etterson M, Johnson R. The effects of continuous diazinon exposure on growth and reproduction in Japanese medaka using a modified Medaka Extended One Generation Reproduction Test (MEOGRT). Ecotoxicol Environ Saf 2018; 162:438-445. [PMID: 30015190 DOI: 10.1016/j.ecoenv.2018.06.088] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/20/2018] [Accepted: 06/28/2018] [Indexed: 06/08/2023]
Abstract
The Medaka Extended One Generation Reproduction Test (MEOGRT) is a Tier 2 test within U.S. Environmental Protection Agency's (USEPA) Endocrine Disruptor Screening Program (EDSP), designed to characterize the potential adverse effects to fish of exposure to chemical that can cause disruption of the endocrine system. The MEOGRT focuses primarily on adverse effects to reproduction while collecting information regarding effects on growth, survival, and endocrine-related endpoints. However, the risk assessment process for fish, as mandated by legislation such as the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) or the Toxic Substances Control Act (TSCA), could benefit from a more detailed assessment of effects on growth. Typically, fish growth data in support of risk assessment are obtained from full life-cycle tests or early life stage tests using the fathead minnow. As an alternative to these tests, a modified MEOGRT was conducted to assess the effects of diazinon on the various parameters measured in the MEOGRT. Diazinon is an organophosphate insecticide that is detected in the environment, and whose efficacy is a result of inhibition of the acetylcholine esterase enzyme at neuromuscular junctions and synapses of the nervous system. Diazinon (2.9, 5.2, 10.3, 19.8, and 40.2 μg/L) was tested with the MEOGRT protocol, and the lowest observable effect concentrations of 2.9 μg/L for fecundity and 5.2 μg/L for growth were determined. Additional growth measurements were added to the MEOGRT protocol to more robustly define growth rates and to determine the impact size has on reproductive performance. Fish size starting at the first measurement day (i.e. 21 days post-fertilization), and continuing through the duration of the test was reduced with exposure to 5.2 μg/L and higher, and asymptotic size predicted from growth modeling was reduced at 10.3 μg/L and higher. By simply adding non-destructive growth measurements at two additional time points, the MEOGRT provided enough data for the parameterization of growth models, which could be used to characterize the reproductive implications of growth impairment.
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Affiliation(s)
- Kevin Flynn
- US Environmental Protection Agency, Mid-Continent Ecology Division (USEPA MED), 6201 Congdon Blvd, Duluth, MN 55804, USA.
| | - Doug Lothenbach
- US Environmental Protection Agency, Mid-Continent Ecology Division (USEPA MED), 6201 Congdon Blvd, Duluth, MN 55804, USA
| | - Frank Whiteman
- US Environmental Protection Agency, Mid-Continent Ecology Division (USEPA MED), 6201 Congdon Blvd, Duluth, MN 55804, USA
| | - Dean Hammermeister
- US Environmental Protection Agency, Mid-Continent Ecology Division (USEPA MED), 6201 Congdon Blvd, Duluth, MN 55804, USA
| | | | - Matthew Etterson
- US Environmental Protection Agency, Mid-Continent Ecology Division (USEPA MED), 6201 Congdon Blvd, Duluth, MN 55804, USA
| | - Rodney Johnson
- US Environmental Protection Agency, Mid-Continent Ecology Division (USEPA MED), 6201 Congdon Blvd, Duluth, MN 55804, USA
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Abdel-Daim MM, Abushouk AI, Alkhalf MI, Toraih EA, Fawzy MS, Ijaz H, Aleya L, Bungau SG. Antagonistic effects of Spirulina platensis on diazinon-induced hemato-biochemical alterations and oxidative stress in rats. Environ Sci Pollut Res Int 2018; 25:27463-27470. [PMID: 30043347 DOI: 10.1007/s11356-018-2761-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 07/13/2018] [Indexed: 06/08/2023]
Abstract
Spirulina platensis (SP) is a traditionally used microalga for a wide range of pharmacological activities, including amelioration of heavy metals and pesticides toxicity. This study evaluated the antioxidant and organoprotective effects of SP against diazinon (DZN)-induced subacute toxicity on the blood, heart, liver, and kidneys of male Wistar albino rats. Diazinon (20 mg/kg, subcutaneous) was administered to animals either alone or along with an oral pure SP powder at doses of 500 and 1000 mg/kg. Alterations in hematological and serum biochemical parameters, as well as oxidative stress markers in the hepatic, renal, and cardiac tissues were evaluated, using colorimetric spectrophotometric techniques. The obtained results revealed that in comparison to the control group, DZN-treated rats exhibited significantly lower (p < 0.05) red blood cells and platelets counts, hemoglobin and hematocrit values, and activities of serum acetylcholinesterase and tissue antioxidant enzymes (glutathione peroxidase, superoxide dismutase, and catalase). Meanwhile, biochemical analysis showed significantly higher (p < 0.05) white blood cells count, serum concentrations of tumor necrosis factor-α and cardiac [creatine kinase (CK) and CK-muscle/brain fraction], hepatic [transaminases and alkaline phosphatase], and renal [uric acid, urea and creatinine] injury markers, and tissue levels of malondialdehyde (a marker of lipid peroxidation) in the DZN-intoxicated group, compared to normal controls. Interestingly, the administration of SP significantly ameliorated the previous hemato-biochemical alterations and mitigated DZN-induced organ injuries and oxidative stress. In conclusion, the natural antioxidant microalga (SP) effectively alleviated the DZN-induced hematologic alterations and organ injuries, probably through its antioxidant and anti-inflammatory activities.
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Affiliation(s)
- Mohamed M Abdel-Daim
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
| | | | - Maha I Alkhalf
- Biochemistry Department, Faculty of Science, Al Faisaliah King Abdulaziz University, Jeddah, Saudi Arabia
| | - Eman A Toraih
- Genetics Unit, Department of Histology and Cell Biology, Faculty of Medicine, Suez Canal University, Ismailia, 41522, Egypt
- Center of Excellence of Molecular and Cellular Medicine, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Manal S Fawzy
- Department of Medical Biochemistry, Faculty of Medicine, Suez Canal University, Ismailia, 41522, Egypt
- Department of Biochemistry, Faculty of Medicine, Northern Border University, Arar, Saudi Arabia
| | - Hira Ijaz
- College of Pharmacy, Government College University, Faisalabad, Pakistan
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, 25030 11, Besançon Cedex, France
| | - Simona G Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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Lungu-Mitea S, Oskarsson A, Lundqvist J. Development of an oxidative stress in vitro assay in zebrafish (Danio rerio) cell lines. Sci Rep 2018; 8:12380. [PMID: 30120374 PMCID: PMC6098050 DOI: 10.1038/s41598-018-30880-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 08/06/2018] [Indexed: 12/22/2022] Open
Abstract
The nuclear factor erythroid 2-related factor 2 (Nrf2) is a key regulator of cellular defense against oxidative stress and correlated with classical toxicological endpoints. In vitro methods using fish cell lines for the assessment of aquatic toxicity are needed for mechanistic studies and as an alternative to in vivo. We describe an in vitro assay to study oxidative stress using zebrafish cell lines. Transfection efficiency of twelve commercially available transfection reagents were tested in the zebrafish cell lines ZFL, ZF4, and Pac2. The most efficient reagent for each cell line was selected for further experiments. Cells were transiently transfected with an Nrf2-responsive luciferase plasmid. The assay was tested using the oxidative stress inducing chemicals tertbutylhydroquinone, hydrogen peroxide, and sulforaphane. Of the transfected cell lines, ZF4 and ZFL showed higher sensitivity. The latter were used to study potential oxidative stress induced by pesticides (diazinon, deltamethrin, atrazine, metazachlor, terbutylazine, diuron). Besides known inducers, Nrf2 activity was also significantly induced by diazinon, deltametrin, diuron, and metazachlor. Activation of Nrf2 by metazachlor is a novel finding. The described assay could be a valuable tool for research in toxicology to study the stress response of both pure chemicals and environmental water samples.
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Affiliation(s)
- Sebastian Lungu-Mitea
- Department of Biomedicine and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, SE-750 07, Uppsala, Sweden.
| | - Agneta Oskarsson
- Department of Biomedicine and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, SE-750 07, Uppsala, Sweden
| | - Johan Lundqvist
- Department of Biomedicine and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7028, SE-750 07, Uppsala, Sweden
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Gambardella C, Nichino D, Iacometti C, Ferrando S, Falugi C, Faimali M. Long term exposure to low dose neurotoxic pesticides affects hatching, viability and cholinesterase activity of Artemia sp. Aquat Toxicol 2018; 196:79-89. [PMID: 29358113 DOI: 10.1016/j.aquatox.2018.01.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 01/03/2018] [Accepted: 01/05/2018] [Indexed: 06/07/2023]
Abstract
The brine shrimp Artemia was used as a model organism to test toxicity of several neuroactive pesticides (chlorpyrifos (CLP), chlorpyrifos oxon (CLP ox), diazinon (DZN), carbaryl (CBR)) following exposure to far below than lethal doses. Cysts were exposed to the pesticides in order to test a scenario similar to actual coastal environment contamination, by analyzing different responses. Cysts were rehydrated in water containing the pesticides at concentrations ranging from 10-11 to 10-5 M, for 72, 96 and 192 h, respectively. For these exposure times, morpho-functional and biochemical parameters, such as hatching speed and viability were investigated in the larvae together with cholinesterase (ChE) activity quantification and histochemical localization. Finally, ChE inhibition was also compared with conventional selective ChE inhibitors. Results showed that CLP ox and CBR caused a significant dose-dependent decrease in hatching speed, followed by high percentages of larval death, while CLP and DZN were responsible for irregular hatching patterns. In addition, the pesticides mostly caused larval death some days post-hatching, whereas this effect was negligible for the specific ChE inhibitors, suggesting that part of pesticide toxicity may be due to molecules other than the primary target. ChE activity was observed in the protocerebrum lobes, linked to the development of pair eyes. Such activity was inhibited in larvae exposed to all pesticides. When compared to conventional selective inhibitors of ChE activities, this inhibition demonstrated that the selected pesticides mainly affect acetylcholinesterase and, to a lesser extent, pseudocholinesterases. In conclusion, the brine shrimp is a good model to test the environmental toxicity of long term exposure to cholinergic pesticides, since changes in hatching speed, viability and ChE activity were observed.
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Affiliation(s)
| | - Daniela Nichino
- DISTAV, University of Genoa, Viale Benedetto XV, 16132, Italy
| | | | - Sara Ferrando
- DISTAV, University of Genoa, Viale Benedetto XV, 16132, Italy
| | - Carla Falugi
- DISTAV, University of Genoa, Viale Benedetto XV, 16132, Italy
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Ahmadian E, Khosroushahi AY, Eghbal MA, Eftekhari A. Betanin reduces organophosphate induced cytotoxicity in primary hepatocyte via an anti-oxidative and mitochondrial dependent pathway. Pestic Biochem Physiol 2018; 144:71-78. [PMID: 29463411 DOI: 10.1016/j.pestbp.2017.11.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 11/03/2017] [Accepted: 11/29/2017] [Indexed: 06/08/2023]
Abstract
Organophosphates (OP) are potent pesticide commonly utilized in agricultural and domestic use. However, plentitude of data represent their side effects in different body tissues. We attempted to study whether betanin (a natural pigment) is able to mitigate some OPs-induced hepatotoxicity in primary rat hepatocytes. Cell viability, lactate dehydrogenase (LDH) leakage, reactive oxygen species (ROS) formation, lipid peroxidation (LPO), glutathione (GSH) depletion and mitochondrial depolarization were tested as toxicity markers. The outcomes revealed that betanin (25μM) significantly increased cell viability, plummeted ROS formation and LPO, restored cellular GSH reservoirs and protected mitochondria after chlorpyrifos (CPF) (300μM), diazinon (DZN) (600μM) and dichlrovos (DDVP) (400μM) treatment. Taken together, all data suggests the potential protective role of betanin in OPs-induced hepatotoxicity in which the mechanism appears to be inhibition of ROS formation and mitochondrial protection.
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Affiliation(s)
- Elham Ahmadian
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Pharmacology and Toxicology Department, Maragheh University of Medical Sciences, Maragheh, Iran; Toxicology Research Center, , Maragheh University of Medical Sciences, Maragheh, Iran
| | - Ahmad Yari Khosroushahi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Pharmacognosy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Ali Eghbal
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Pharmacology and Toxicology Department, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Aziz Eftekhari
- Pharmacology and Toxicology Department, Maragheh University of Medical Sciences, Maragheh, Iran; Toxicology Research Center, , Maragheh University of Medical Sciences, Maragheh, Iran; Department of Basic Sciences, Maragheh University of Medical Sciences, Maragheh, Iran; Managerial Epidemiology Research Center, Maragheh University of Medical Sciences, Maragheh, Iran.
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Qiu X, Tanoue W, Kawaguchi A, Yanagawa T, Seki M, Shimasaki Y, Honjo T, Oshima Y. Interaction patterns and toxicities of binary and ternary pesticide mixtures to Daphnia magna estimated by an accelerated failure time model. Sci Total Environ 2017; 607-608:367-374. [PMID: 28697389 DOI: 10.1016/j.scitotenv.2017.07.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 07/04/2017] [Accepted: 07/04/2017] [Indexed: 06/07/2023]
Abstract
Organisms in natural environments are often exposed to a broad variety of chemicals, and the multi-chemical mixtures exposure may produce significant toxic effects, even though the individual chemicals are present at concentrations below their no-observed-effect concentrations. This study represents the first attempt that uses the accelerated failure time (AFT) model to quantify the interaction and toxicity of multi-chemical mixtures in environmental toxicology. We firstly conducted the acute immobilization tests with Daphnia magna exposed to mixtures of diazinon (DZN), fenitrothion (MEP); and thiobencarb (TB) in single, binary, and ternary formulations, and then fitted the results to the AFT model. The 48-h EC50 (concentration required to immobilize 50% of the daphnids at 48h) values for each pesticide obtained from the AFT model are within a factor of 2 of the corresponding values calculated from the single pesticide exposure tests, indicating the methodology is able to provide credible toxicity values. The AFT model revealed either significant synergistic (DZN and MEP; DZN and TB) or antagonistic (MEP and TB) interactions in binary mixtures, while the interaction pattern of ternary mixture depended on both the concentration levels and concentration ratios of pesticides. With a factor of 2, the AFT model accurately estimated the toxicities for 78% of binary mixture formulations that exhibited significant synergistic effects, and the toxicities for all the ternary formulations. Our results showed that the AFT model can provide a simple and efficient way to quantify the interactions between pesticides and to assess the toxicity of their mixtures. This ability may greatly facilitate the ecotoxicological risk assessment of exposure to multi-chemical mixtures.
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Affiliation(s)
- Xuchun Qiu
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan.
| | - Wataru Tanoue
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan.
| | - Atsushi Kawaguchi
- Clinical Research Center, School of Medicine, Saga University, 5-1-1 Nabeshima, Saga 849-8501, Japan.
| | - Takashi Yanagawa
- Biostatistics Center, Kurume University, 67 Asahi-machi, Kurume 830-0011, Japan
| | - Masanori Seki
- Chemicals Evaluation and Research Institute, 3-2-7, Miyanojin, Kurume-shi, Fukuoka 830-0023, Japan.
| | - Yohei Shimasaki
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan.
| | - Tsuneo Honjo
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Yuji Oshima
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan.
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Velki M, Meyer-Alert H, Seiler TB, Hollert H. Enzymatic activity and gene expression changes in zebrafish embryos and larvae exposed to pesticides diazinon and diuron. Aquat Toxicol 2017; 193:187-200. [PMID: 29096092 DOI: 10.1016/j.aquatox.2017.10.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 06/07/2023]
Abstract
The zebrafish as a test organism enables the investigation of effects on a wide range of biological levels from molecular level to the whole-organism level. The use of fish embryos represents an attractive model for studies aimed at understanding toxic mechanisms and the environmental risk assessment of chemicals. In the present study, a zebrafish (Danio rerio) in vivo model was employed in order to assess the effects of two commonly used pesticides, the insecticide diazinon and the herbicide diuron, on zebrafish early life stages. Since it was previously established that diazinon and diuron cause effects at the whole-organism level, this study assessed the suborganismic responses to exposure to these pesticides and the enzymatic responses (biochemical level) and the gene expression changes (molecular level) were analyzed. Different exposure scenarios were employed and the following endpoints measured: acetylcholinesterase (AChE), carboxylesterase (CES), ethoxyresorufin-O-deethylase (EROD), glutathione-S-transferase (GST), catalase (CAT) and glutathione peroxidase (GPx) activities; and gene expressions of the corresponding genes: acetylcholinesterase (ache), carboxylesterase (ces2), cytochrome P450 (cyp1a), glutathione-S-transferase (gstp1), catalase (cat), glutathione peroxidase (gpx1a) and additionally glutathione reductase (gsr). Significant changes at both the biochemical and the molecular level were detected. In addition, different sensitivities of different developmental stages of zebrafish were determined and partial recovery of the enzyme activity 48h after the end of the exposure was observed. The observed disparity between gene expression changes and alterations in enzyme activities points to the necessity of monitoring changes at different levels of biological organization. Different exposure scenarios, together with a comparison of the responses at the biochemical and molecular level, provide valuable data on the effects of diazinon and diuron on low organizational levels in zebrafish embryos and larvae.
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Affiliation(s)
- Mirna Velki
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany; Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000 Osijek, Croatia.
| | - Henriette Meyer-Alert
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Thomas-Benjamin Seiler
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
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