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Kaur R, Choudhary D, Bali S, Bandral SS, Singh V, Ahmad MA, Rani N, Singh TG, Chandrasekaran B. Pesticides: An alarming detrimental to health and environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:170113. [PMID: 38232846 DOI: 10.1016/j.scitotenv.2024.170113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/19/2024]
Abstract
Pesticides are chemical substances of natural or synthetic origin that are used to eradicate pests and insects. These are indispensable in the agricultural processes for better crop production. Pesticide use aims to promote crop yield and protect the crops from diseases and damage. Pesticides must be handled carefully and disposed of appropriately because they are dangerous to people and other species by default. Environmental pollution occurs when pesticide contamination spreads away from the intended plants. Older pesticides such as lindane and dichlorodiphenyltrichloroethane (DDT) may remain in water and soil for a longer time. These accumulate in various parts of the food chain and cause damage to the ecosystem. Biological techniques in the management of pest control such as importation, augmentation, and conservation, and the accompanying procedures are more efficient, less expensive, and ecologically sound than other ways. This review mainly focuses on the consequences on the targeted and non-targeted organisms including the health and well-being of humans by the use of pesticides and their toxicity. The side effects that occur when a pesticide's LD50 exceeds the accepted limit through oral or skin penetration due to their binding to various receptors such as estrogen receptors, GABA, EGFR, and others. These pesticide classes include carbamates, pyrethroids, organochlorides, organophosphorus, and others. The current study seeks to highlight the urgent requirement for a novel agricultural concept that includes a major reduction in the use of chemical pesticides.
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Affiliation(s)
- Rajwinder Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India.
| | - Diksha Choudhary
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Samriddhi Bali
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | | | - Varinder Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Md Altamash Ahmad
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Nidhi Rani
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
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Ricci EL, Zaccarelli-Magalhães J, Pantaleon LP, De-Paula LR, Ribeiro GM, Abreu GR, Muñoz JWP, Mendonça M, Fukushima AR, Spinosa HS. Peripubertal exposure of atrazine cause decrease in exploratory activity, deficits in sociability and few alterations on brain monoaminergic systems of rats. Toxicol Appl Pharmacol 2024; 483:116819. [PMID: 38215996 DOI: 10.1016/j.taap.2024.116819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/14/2024]
Abstract
Atrazine is a pesticide used to control weeds in both in pre- and post-emergence crops. The chronic exposure to atrazine can lead to severe damage in animals, especially in the endocrine and reproduction systems, leading to the inclusion of this pesticide into the endocrine disrupting chemicals group. Studies with rats showed that atrazine exposure during lactation in dams caused changes in the juvenile offspring, however; there is still limited information regarding the effects of atrazine during puberty. Thus, the aim of this study is to evaluate the effects of peripubertal exposure of atrazine in rats, assessing motor activity, social behavior and neurochemical alterations. Juvenile rats were treated with different doses of atrazine (0, 10, 30 or 100 mg/kg) by gavage from postnatal day 22 to 41. Behavioral tests were conducted for the evaluation of motor activity and social behavior, and neurochemical evaluation was done in order to assess monoamine levels. Atrazine caused behavioral alterations, evidenced by decrease in the exploratory activity (p values variation between 0.05 and 0.0001) and deficits in the social behavior of both male and females as adults (p values variation between 0.01 and 0.0001). As for the monoaminergic neurotransmission, atrazine led to very few alterations on the dopamine and serotonin systems that were limited to the females (p < 0.05). Altogether, the results suggests that peripubertal exposure of atrazine cause behavioral and neurochemical alterations. More studies need to be conducted to fully understand the differences in atrazine's effects and its use should be considered carefully.
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Affiliation(s)
- Esther L Ricci
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil; Health Science Institute, Presbyterian Mackenzie University, Rua da Consolação, 930, 01302-907 São Paulo, Brazil; School of Health Sciences IGESP, Rua da Consolação, 1025, 01301-000 São Paulo, Brazil
| | - Julia Zaccarelli-Magalhães
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil.
| | - Lorena P Pantaleon
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil; Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - Leonardo R De-Paula
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
| | - Guilherme M Ribeiro
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
| | - Gabriel R Abreu
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
| | - Juliana W P Muñoz
- Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - Marcelo Mendonça
- Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - André R Fukushima
- School of Health Sciences IGESP, Rua da Consolação, 1025, 01301-000 São Paulo, Brazil; Centro Universitário das Américas, Rua Augusta, 1508, 01304-001 São Paulo, Brazil
| | - Helenice S Spinosa
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, Avenida Professor Doutor Orlando Marques de Paiva, 87, 05508-270 São Paulo, Brazil
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Carriquiriborde P, Fernandino JI, López CG, Benito EDS, Gutierrez-Villagomez JM, Cristos D, Trudeau VL, Somoza GM. Atrazine alters early sexual development of the South American silverside, Odontesthes bonariensis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 254:106366. [PMID: 36459853 DOI: 10.1016/j.aquatox.2022.106366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 06/17/2023]
Abstract
Atrazine (ATZ) is a frequent contaminant in freshwater ecosystems within agricultural regions. The capacity of this herbicide to interfere with the vertebrate endocrine system is broadly recognized, but the mechanisms and responses usually differ among species. In this study, ATZ effects on hypothalamus-pituitary-gonadal (HPG) axis key genes expression and early gonadal development were evaluated in Odontesthes bonariensis larvae waterborne exposed during the gonadal differentiation period. Fish were treated to 0, 0.7, 7.0, and 70 µg ATZ/L at 25 °C from the 2nd to 6th week after hatching (wah), and a group was kept in clean water until the 12th wah. Parallelly, a group was submitted to 0.05 µg/L of ethinylestradiol (EE2) as a positive estrogenic control. From each treatment, eight larvae were sampled at 6 wah for gene expression analysis and twelve larvae at 12 wah for phenotypic sex histological determination. The expression of gnrh1, lhb, fshb, and cyp19a1b was assessed in the head, and the ones of amha, 11βhsd2, and cyp19a1a in the trunk. Fish growth was significantly higher in fish exposed to 7 and 70 µg ATZ/L in the 6 wah, but the effect vanished at the 12 wah. The expression of lhb was upregulated in both sex larvae exposed from 7 µg ATZ/L. However, a dimorphic effect was induced on cyp19a1a expression at 70 µg ATZ/L, up or downregulating mRNA transcription in males and females, respectively. Delayed ovarian development and increased number of testicular germ cells were histologically observed from 7 to 70 µg ATZ/L, respectively, and a sex inversion (genotypic male to phenotypic female) was found in one larva at 70 µg ATZ/L. The lhb expression was also upregulated by EE2, but the cyp19a1a expression was not affected, and a complete male-to-female reversal was induced. Further, EE2 upregulated gnrh1 in females and cyp19a1b in both sexes, but it did not alter any assessed gene in the trunk. In conclusion, ATZ disrupted HPG axis physiology and normal gonadal development in O. bonariensis larvae at environmentally relevant concentrations. The responses to ATZ only partially overlapped and were less active when compared to the model estrogenic compound EE2.
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Affiliation(s)
- Pedro Carriquiriborde
- Centro de Investigaciones del Medioambiente (CIM, UNLP-CONICET), La Plata, Buenos Aires, Argentina
| | - Juan Ignacio Fernandino
- Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús, Buenos Aires, Argentina; Escuela de Bio y Nanotecnologías. UNSAM. Argentina
| | - Carina G López
- Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús, Buenos Aires, Argentina; Escuela de Bio y Nanotecnologías. UNSAM. Argentina
| | - Eduardo de San Benito
- Centro de Investigaciones del Medioambiente (CIM, UNLP-CONICET), La Plata, Buenos Aires, Argentina
| | | | - Diego Cristos
- Instituto Nacional de Tecnología Agropecuaria, Centro de Investigación de Agroindustria (CIA-INTA), Castelar, Buenos Aires Argentina
| | - Vance L Trudeau
- Department of Biology, University of Ottawa, Ottawa, ON, K1S 6N5, Canada
| | - Gustavo M Somoza
- Instituto Tecnológico de Chascomús (CONICET-UNSAM), Chascomús, Buenos Aires, Argentina; Escuela de Bio y Nanotecnologías. UNSAM. Argentina.
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Zhu SY, Li XN, Zhao Y, Dai XY, Guo JY, Li JL. Lycopene Ameliorate Atrazine-Induced Oxidative Damage in the B Cell Zone via Targeting the miR-27a-3p/Foxo1 Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12502-12512. [PMID: 36134885 DOI: 10.1021/acs.jafc.2c05103] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Lycopene, a natural bioactive component, has potential to reduce the risk of environmental factors inducing chronic diseases. It is important to explore lycopene's health benefits and its mechanism. The uncontrolled use of atrazine in agriculture causes critical environmental pollution issues worldwide. Exposure to atrazine through water and food chains is a risk to humans. In this study, mice were orally treated with lycopene and/or different concentrations of atrazine for 21 days to explore the influence of atrazine on the spleen and the role of lycopene's protection in atrazine exposure. The work found that atrazine exerted its toxic role in the B cell zone of the spleen by inducing Foxo1 deficiency. Atrazine caused ROS generation and Pink1/Parkin dysfunction via inducing Foxo1 deficiency, which led to apoptosis in the B cell zone. Additionally, the work revealed that lycopene ameliorates atrazine-induced apoptosis in the B cell zone of the spleen via regulating the miR-27a-3p/Foxo1 pathway. The finding also underscored a novel target of lycopene in maintaining homeostasis during B cell maturation.
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Affiliation(s)
| | | | | | - Xue-Yan Dai
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, China
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Ma K, Wu HY, Wang SY, Li BX. The Keap1/Nrf2-ARE signaling pathway is involved in atrazine induced dopaminergic neurons degeneration via microglia activation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 226:112862. [PMID: 34624533 DOI: 10.1016/j.ecoenv.2021.112862] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/27/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To investigate the mechanisms of ATR-induced dopaminergic toxicity by microglia activation and the response of the Keap1/ Nrf2- ARE signaling pathway. METHODS Wistar rats were treated with 50, 100 and 200 mg/kg ATR and BV-2 microglia cells were treated with 50, 100 μM ATR or 100 ng/mL LPS, respectively. Rats behavioral responses and histopathological changes were monitored. Immunohistochemical and immunofluorescence analysis detected Iba-1 and TH+ cells in rats. Keap1/Nrf2-ARE signaling-related proteins and inflammatory factors from BV-2 cells and rats were detected using ELISA, Western blot and Real-time PCR. RESULTS After ATR treatment, the grip strength of Wistar rats was significantly decreased, and anxiety were clearly observed. TH+ neurons were reduced, however, the number of microglia cells and Iba-1 levels were increased clearly in SN. The release of ROS, TNF-α and IL-Iβ were increased, and levels of SOD and GSH-Px were significantly decreased. Keap1 mRNA expression and protein levels were decreased, while nuclear Nrf2 mRNA expression and protein levels were both increased in vivo and in vitro. CONCLUSION ATR could significantly activate microglia and exacerbate neurotoxicity and neuroinflammation, leading to accelerate dopaminergic neuron cell death by inhibiting Keap1/Nrf2-ARE signaling pathway.
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Affiliation(s)
- Kun Ma
- Department of Hygienic Toxicology, Public Health College, Harbin Medical University, Harbin, Heilongjiang Province 150081, PR China.
| | - Hao-Yu Wu
- Department of Environmental Health, Public Health College, Harbin Medical University, Harbin, Heilongjiang Province 150081, PR China.
| | - Sheng-Yuan Wang
- Department of Occupational Health, Public Health College, Harbin Medical University, Harbin, Heilongjiang Province 150081, PR China.
| | - Bai-Xiang Li
- Department of Hygienic Toxicology, Public Health College, Harbin Medical University, Harbin, Heilongjiang Province 150081, PR China.
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Sadeghnia H, Shahba S, Ebrahimzadeh-Bideskan A, Mohammadi S, Malvandi AM, Mohammadipour A. Atrazine neural and reproductive toxicity. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1966637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hamidreza Sadeghnia
- Department of Pharmacology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Neurocognitive Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Shahba
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | | | - Shabnam Mohammadi
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Graceli JB, Dettogni RS, Merlo E, Niño O, da Costa CS, Zanol JF, Ríos Morris EA, Miranda-Alves L, Denicol AC. The impact of endocrine-disrupting chemical exposure in the mammalian hypothalamic-pituitary axis. Mol Cell Endocrinol 2020; 518:110997. [PMID: 32841708 DOI: 10.1016/j.mce.2020.110997] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 12/15/2022]
Abstract
The hypothalamic-pituitary axis (HP axis) plays a critical and integrative role in the endocrine system control to maintain homeostasis. The HP axis is responsible for the hormonal events necessary to regulate the thyroid, adrenal glands, gonads, somatic growth, among other functions. Endocrine-disrupting chemicals (EDCs) are a worldwide public health concern. There is growing evidence that exposure to EDCs such as bisphenol A (BPA), some phthalates, polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs) and biphenyls (PBBs), dichlorodiphenyltrichloroethane (DDT), tributyltin (TBT), and atrazine (ATR), is associated with HP axis abnormalities. EDCs act on hormone receptors and their downstream signaling pathways and can interfere with hormone synthesis, metabolism, and actions. Because the HP axis function is particularly sensitive to endogenous hormonal changes, disruptions by EDCs can alter HP axis proper function, leading to important endocrine irregularities. Here, we review the evidence that EDCs could directly affect the mammalian HP axis function.
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Affiliation(s)
- Jones B Graceli
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo. Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Raquel S Dettogni
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo. Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Eduardo Merlo
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo. Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Oscar Niño
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo. Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Charles S da Costa
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo. Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Jordana F Zanol
- Department of Morphology, Health Sciences Center, Federal University of Espirito Santo. Av. Marechal Campos, 1468, CEP: 290440-090 Vitória, ES, Brazil.
| | - Eduardo A Ríos Morris
- Laboratory of Experimental Endocrinology-LEEx, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil. Graduate Program in Endocrinology, Faculty of Medicine, Federal University of Rio de Janeiro, Brazil.
| | - Leandro Miranda-Alves
- Laboratory of Experimental Endocrinology-LEEx, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil. Graduate Program in Endocrinology, Faculty of Medicine, Federal University of Rio de Janeiro, Brazil. Graduate Program in Pharmacology and Medicinal Chemistry, Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Brazil.
| | - Anna C Denicol
- Department of Animal Science, University of California, Davis, One Shields Avenue Davis, CA, 95616, USA.
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Kolekar PD, Patil SM, Suryavanshi MV, Suryawanshi SS, Khandare RV, Govindwar SP, Jadhav JP. Microcosm study of atrazine bioremediation by indigenous microorganisms and cytotoxicity of biodegraded metabolites. JOURNAL OF HAZARDOUS MATERIALS 2019; 374:66-73. [PMID: 30978632 DOI: 10.1016/j.jhazmat.2019.01.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 12/28/2018] [Accepted: 01/10/2019] [Indexed: 06/09/2023]
Abstract
Intensive use of atrazine in agriculture to increase crop productivity has resulted in pollution and consequently deteriorated the environment. Three isolated bacteria, Rhodococcus sp. BCH2 (RB), Bacillus sp. PDK1 (BP1) and Bacillus sp. PDK2 (BP2) possessing capability to degrade atrazine were used in different combinations (RB + BP1, RB + BP2, BP1 + BP2, RB + BP1 + BP2) to prepare a highly effective bacterial consortium which can significantly reduce the toxicity of atrazine. Cytotoxicity tests evaluated by MTT assay on HepG2 indicated significant decrease in the toxicity of atrazine by the consortium RB + BP1 + BP2 due to its effective degradation and formation of simpler and less/nontoxic metabolites compared to other combinations of consortia. A microcosm study was conducted to check the survivability of this consortium (RB + BP1 + BP2) in the presence of atrazine and indigenous soil microflora for four weeks. LC-Q-TOF/MS analysis revealed that RB + BP1 + BP2 could degrade atrazine to various simple metabolites in the microcosm. The cluster analysis of the DGGE patterns of the microcosm of control-soil, soil exposed to atrazine and soil augmented with consortium in the presence of atrazine (1000 mg kg-1) revealed a shift in microbial community of soil. The microbial dynamics studies suggested that the augmented bacteria were well-thrived with natural microflora during four weeks of exposure to atrazine.
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Affiliation(s)
- Parag D Kolekar
- Department of Biotechnology, Shivaji University, Kolhapur, 416004, India; Department of Biochemistry, Shivaji University, Kolhapur, 416004, India
| | - Swapnil M Patil
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | | | | | - Rahul V Khandare
- Amity Institute of Biotechnology, Amity University, Mumbai, 410206, India
| | - Sanjay P Govindwar
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Jyoti P Jadhav
- Department of Biotechnology, Shivaji University, Kolhapur, 416004, India; Department of Biochemistry, Shivaji University, Kolhapur, 416004, India.
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Solubility Enhancement of Atrazine by Complexation with Cyclosophoraose Isolated from Rhizobium leguminosarum biovar trifolii TA-1. Polymers (Basel) 2019; 11:polym11030474. [PMID: 30960458 PMCID: PMC6473739 DOI: 10.3390/polym11030474] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/05/2019] [Accepted: 03/06/2019] [Indexed: 11/23/2022] Open
Abstract
Rhizobium leguminosarum biovar trifolii TA-1, a kind of soil bacteria, produces cyclosophoraoses (Cys). Cyclosophoraoses contain various ring sizes with degrees of polymerization ranging from 17 to 23. Atrazine is a hardly-soluble herbicide that contaminates soil and drinking water, and remains in soil for a long time. To remove this insoluble contaminant from aqueous solutions, we have enhanced the solubility of atrazine by complexation with Cys. The complex formation of Cys and atrazine was confirmed using 1H nuclear magnetic resonance (NMR), Fourier transform infrared (FT-IR) spectroscopy, differential scanning calorimetry (DSC), field emission scanning electron microscopy (FE-SEM), rotating frame nuclear overhauser spectroscopy (ROESY), and molecular modeling studies. The aqueous solubility of atrazine was enhanced 3.69-fold according to the added concentrations (20 mM) of Cys, compared to the 1.78-fold enhancements by β-cyclodextrin (β-CD). Cyclosophoraoses as an excellent solubility enhancer with long glucose chains that can effectively capture insoluble materials showed a potential application of microbial polysaccharides in the removal of hazardous hardly-soluble materials from aqueous solutions in the fields of biological and environmental industry.
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Foradori CD, Healy JE, Zimmerman AD, Kemppainen RJ, Jones MA, Read CC, White BD, Yi KD, Hinds LR, Lacagnina AF, Quihuis AM, Breckenridge CB, Handa RJ. Characterization of Activation of the Hypothalamic-Pituitary-Adrenal Axis by the Herbicide Atrazine in the Female Rat. Endocrinology 2018; 159:3378-3388. [PMID: 30060079 DOI: 10.1210/en.2018-00474] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 07/19/2018] [Indexed: 11/19/2022]
Abstract
Atrazine (ATR) is a commonly used pre-emergence and early postemergence herbicide. Rats gavaged with ATR and its chlorometabolites desethylatrazine (DEA) and deisopropylatrazine (DIA) respond with a rapid and dose-dependent rise in plasma corticosterone, whereas the major chlorometabolite, diaminochlorotriazine (DACT), has little or no effect on corticosterone levels. In this study, we investigated the possible sites of ATR activation of the hypothalamic-pituitary-adrenal (HPA) axis. ATR treatment had no effect on adrenal weights but altered adrenal morphology. Hypophysectomized rats or rats under dexamethasone suppression did not respond to ATR treatment, suggesting that ATR does not directly stimulate the adrenal gland to induce corticosterone synthesis. Immortalized mouse corticotrophs (AtT-20) and primary rat pituitary cultures were treated with ATR, DEA, DIA, or DACT. None of the compounds induced an increase in ACTH secretion or potentiated ACTH release in conjunction with CRH on ACTH release. In female rats gavaged with ATR, pretreatment with the CRH receptor antagonist astressin completely blocked the ATR-induced rise in corticosterone concentrations, implicating CRH release in ATR-induced HPA activation. Intracerebroventricular infusion of ATR, DEA, and DIA but not DACT at concentrations equivalent to peak plasma concentrations after gavage dosing resulted in an elevation of plasma corticosterone concentrations. However, ATR did not induce c-Fos immunoreactivity in the paraventricular nucleus of the hypothalamus. These results indicate that ATR activates the HPA axis centrally and requires CRH receptor activation, but it does not stimulate cellular pathways associated with CRH neuronal excitation.
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Affiliation(s)
- Chad D Foradori
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Jessica E Healy
- Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona
| | - Arthur D Zimmerman
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Robert J Kemppainen
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Melaney A Jones
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - Casey C Read
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama
| | - B Douglas White
- Nutrition, Dietetics, and Hospitality Management, College of Human Sciences, Auburn University, Auburn, Alabama
| | - Kun Don Yi
- Syngenta Crop Protection LLC, Greensboro, North Carolina
| | - Laura R Hinds
- Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona
| | - Anthony F Lacagnina
- Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona
| | - Alicia M Quihuis
- Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona
| | | | - Robert J Handa
- Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona
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Fakhouri WD, Metwalli K, Naji A, Bakhiet S, Quispe-Salcedo A, Nitschke L, Kousa YA, Schutte BC. Intercellular Genetic Interaction Between Irf6 and Twist1 during Craniofacial Development. Sci Rep 2017; 7:7129. [PMID: 28769044 PMCID: PMC5540929 DOI: 10.1038/s41598-017-06310-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 06/08/2017] [Indexed: 01/06/2023] Open
Abstract
Interferon Regulatory Factor 6 (IRF6) and TWIST1 are transcription factors necessary for craniofacial development. Human genetic studies showed that mutations in IRF6 lead to cleft lip and palate and mandibular abnormalities. In the mouse, we found that loss of Irf6 causes craniosynostosis and mandibular hypoplasia. Similarly, mutations in TWIST1 cause craniosynostosis, mandibular hypoplasia and cleft palate. Based on this phenotypic overlap, we asked if Irf6 and Twist1 interact genetically during craniofacial formation. While single heterozygous mice are normal, double heterozygous embryos (Irf6+/−; Twist1+/−) can have severe mandibular hypoplasia that leads to agnathia and cleft palate at birth. Analysis of spatiotemporal expression showed that Irf6 and Twist1 are found in different cell types. Consistent with the intercellular interaction, we found reduced expression of Endothelin1 (EDN1) in mandible and transcription factors that are critical for mandibular patterning including DLX5, DLX6 and HAND2, were also reduced in mesenchymal cells. Treatment of mandibular explants with exogenous EDN1 peptides partially rescued abnormalities in Meckel’s cartilage. In addition, partial rescue was observed when double heterozygous embryos also carried a null allele of p53. Considering that variants in IRF6 and TWIST1 contribute to human craniofacial defects, this gene-gene interaction may have implications on craniofacial disorders.
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Affiliation(s)
- Walid D Fakhouri
- Center for Craniofacial Research, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston, TX, 77054, USA. .,Department of Pediatrics, Medical School, University of Texas Health Science Center at Houston, TX, 77030, USA. .,Graduate School of Biomedical Sciences, University of Texas Health Science Center and MD Anderson Cancer Center at Houston, TX, 77030, USA.
| | - Kareem Metwalli
- Center for Craniofacial Research, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston, TX, 77054, USA
| | - Ali Naji
- Center for Craniofacial Research, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston, TX, 77054, USA
| | - Sarah Bakhiet
- Center for Craniofacial Research, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston, TX, 77054, USA
| | - Angela Quispe-Salcedo
- Center for Craniofacial Research, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston, TX, 77054, USA.,Department of Basic Science, School of Dentistry, National University of San Marcos (UNMSM), Lima, Peru
| | - Larissa Nitschke
- Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, 48823, USA.,Program in Integrative Molecular and Biomedical Sciences, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Youssef A Kousa
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, 48823, USA.,Pediatric Residency Program, Children's National Health System, Washington, DC, 20010, USA
| | - Brian C Schutte
- Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, 48823, USA.,Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, 48823, USA.,Pediatrics and Human Development, Michigan State University, East Lansing, MI, 48823, USA
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Russart KL, Rhen T. Atrazine alters expression of reproductive and stress genes in the developing hypothalamus of the snapping turtle, Chelydra serpentina. Toxicology 2016; 366-367:1-9. [DOI: 10.1016/j.tox.2016.08.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 07/27/2016] [Accepted: 08/01/2016] [Indexed: 11/16/2022]
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Wirbisky SE, Weber GJ, Sepúlveda MS, Xiao C, Cannon JR, Freeman JL. Developmental origins of neurotransmitter and transcriptome alterations in adult female zebrafish exposed to atrazine during embryogenesis. Toxicology 2015; 333:156-167. [PMID: 25929836 PMCID: PMC4471955 DOI: 10.1016/j.tox.2015.04.016] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 04/21/2015] [Accepted: 04/24/2015] [Indexed: 11/24/2022]
Abstract
Atrazine is an herbicide applied to agricultural crops and is indicated to be an endocrine disruptor. Atrazine is frequently found to contaminate potable water supplies above the maximum contaminant level of 3μg/L as defined by the U.S. Environmental Protection Agency. The developmental origin of adult disease hypothesis suggests that toxicant exposure during development can increase the risk of certain diseases during adulthood. However, the molecular mechanisms underlying disease progression are still unknown. In this study, zebrafish embryos were exposed to 0, 0.3, 3, or 30μg/L atrazine throughout embryogenesis. Larvae were then allowed to mature under normal laboratory conditions with no further chemical treatment until 7 days post fertilization (dpf) or adulthood and neurotransmitter analysis completed. No significant alterations in neurotransmitter levels was observed at 7dpf or in adult males, but a significant decrease in 5-hydroxyindoleacetic acid (5-HIAA) and serotonin turnover was seen in adult female brain tissue. Transcriptomic analysis was completed on adult female brain tissue to identify molecular pathways underlying the observed neurological alterations. Altered expression of 1928, 89, and 435 genes in the females exposed to 0.3, 3, or 30μg/L atrazine during embryogenesis were identified, respectively. There was a high level of overlap between the biological processes and molecular pathways in which the altered genes were associated. Moreover, a subset of genes was down regulated throughout the serotonergic pathway. These results provide support of the developmental origins of neurological alterations observed in adult female zebrafish exposed to atrazine during embryogenesis.
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Affiliation(s)
- Sara E Wirbisky
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
| | - Gregory J Weber
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
| | - Maria S Sepúlveda
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA; Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, USA.
| | - Changhe Xiao
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
| | - Jason R Cannon
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
| | - Jennifer L Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, USA.
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Lin Z, Dodd CA, Xiao S, Krishna S, Ye X, Filipov NM. Gestational and lactational exposure to atrazine via the drinking water causes specific behavioral deficits and selectively alters monoaminergic systems in C57BL/6 mouse dams, juvenile and adult offspring. Toxicol Sci 2014; 141:90-102. [PMID: 24913803 DOI: 10.1093/toxsci/kfu107] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Atrazine (ATR) is one of the most frequently detected pesticides in the U.S. water supply. This study aimed to investigate neurobehavioral and neurochemical effects of ATR in C57BL/6 mouse offspring and dams exposed to a relatively low (3 mg/l, estimated intake 1.4 mg/kg/day) concentration of ATR via the drinking water (DW) from gestational day 6 to postnatal day (PND) 23. Behavioral tests included open field, pole, grip strength, novel object recognition (NOR), forced swim, and marble burying tests. Maternal weight gain and offspring (PND21, 35, and 70) body or brain weights were not affected by ATR. However, ATR-treated dams exhibited decreased NOR performance and a trend toward hyperactivity. Juvenile offspring (PND35) from ATR-exposed dams were hyperactive (both sexes), spent less time swimming (males), and buried more marbles (females). In adult offspring (PND70), the only behavioral change was a sex-specific (females) decreased NOR performance by ATR. Neurochemically, a trend toward increased striatal dopamine (DA) in dams and a significant increase in juvenile offspring (both sexes) was observed. Additionally, ATR exposure decreased perirhinal cortex serotonin in the adult female offspring. These results suggest that perinatal DW exposure to ATR targets the nigrostriatal DA pathway in dams and, especially, juvenile offspring, alters dams' cognitive performance, induces sex-selective changes involving motor and emotional functions in juvenile offspring, and decreases cognitive ability of adult female offspring, with the latter possibly associated with altered perirhinal cortex serotonin homeostasis. Overall, ATR exposure during gestation and lactation may cause adverse nervous system effects to both offspring and dams.
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Affiliation(s)
- Zhoumeng Lin
- Department of Physiology and Pharmacology, College of Veterinary Medicine Interdisciplinary Toxicology Program, University of Georgia, Athens, Georgia 30602
| | - Celia A Dodd
- Department of Physiology and Pharmacology, College of Veterinary Medicine Interdisciplinary Toxicology Program, University of Georgia, Athens, Georgia 30602
| | - Shuo Xiao
- Department of Physiology and Pharmacology, College of Veterinary Medicine Interdisciplinary Toxicology Program, University of Georgia, Athens, Georgia 30602
| | - Saritha Krishna
- Department of Physiology and Pharmacology, College of Veterinary Medicine
| | - Xiaoqin Ye
- Department of Physiology and Pharmacology, College of Veterinary Medicine Interdisciplinary Toxicology Program, University of Georgia, Athens, Georgia 30602
| | - Nikolay M Filipov
- Department of Physiology and Pharmacology, College of Veterinary Medicine Interdisciplinary Toxicology Program, University of Georgia, Athens, Georgia 30602
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Lin Z, Fisher JW, Wang R, Ross MK, Filipov NM. Estimation of placental and lactational transfer and tissue distribution of atrazine and its main metabolites in rodent dams, fetuses, and neonates with physiologically based pharmacokinetic modeling. Toxicol Appl Pharmacol 2013; 273:140-58. [DOI: 10.1016/j.taap.2013.08.010] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 08/07/2013] [Accepted: 08/10/2013] [Indexed: 11/27/2022]
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Serra AA, Nuttens A, Larvor V, Renault D, Couée I, Sulmon C, Gouesbet G. Low environmentally relevant levels of bioactive xenobiotics and associated degradation products cause cryptic perturbations of metabolism and molecular stress responses in Arabidopsis thaliana. JOURNAL OF EXPERIMENTAL BOTANY 2013; 64:2753-66. [PMID: 23645866 DOI: 10.1093/jxb/ert119] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Anthropic changes and chemical pollution confront wild plant communities with xenobiotic combinations of bioactive molecules, degradation products, and adjuvants that constitute chemical challenges potentially affecting plant growth and fitness. Such complex challenges involving residual contamination and mixtures of pollutants are difficult to assess. The model plant Arabidopsis thaliana was confronted by combinations consisting of the herbicide glyphosate, the fungicide tebuconazole, the glyphosate degradation product aminomethylphosphonic acid (AMPA), and the atrazine degradation product hydroxyatrazine, which had been detected and quantified in soils of field margins in an agriculturally intensive region. Integrative analysis of physiological, metabolic, and gene expression responses was carried out in dose-response experiments and in comparative experiments of varying pesticide combinations. Field margin contamination levels had significant effects on plant growth and metabolism despite low levels of individual components and the presence of pesticide degradation products. Biochemical and molecular analysis demonstrated that these less toxic degradation products, AMPA and hydroxyatrazine, by themselves elicited significant plant responses, thus indicating underlying mechanisms of perception and transduction into metabolic and gene expression changes. These mechanisms may explain observed interactions, whether positive or negative, between the effects of pesticide products (AMPA and hydroxyatrazine) and the effects of bioactive xenobiotics (glyphosate and tebuconazole). Finally, the metabolic and molecular perturbations induced by low levels of xenobiotics and associated degradation products were shown to affect processes (carbon balance, hormone balance, antioxidant defence, and detoxification) that are likely to determine environmental stress sensitivity.
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Affiliation(s)
- Anne-Antonella Serra
- Université de Rennes 1, UMR CNRS 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A. 263 avenue du Général Leclerc, F-35042 Rennes Cedex, France
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Kucka M, Pogrmic-Majkic K, Fa S, Stojilkovic SS, Kovacevic R. Atrazine acts as an endocrine disrupter by inhibiting cAMP-specific phosphodiesterase-4. Toxicol Appl Pharmacol 2012; 265:19-26. [PMID: 23022511 DOI: 10.1016/j.taap.2012.09.019] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2012] [Revised: 09/18/2012] [Accepted: 09/21/2012] [Indexed: 11/30/2022]
Abstract
Atrazine, one of the most commonly used herbicides worldwide, acts as an endocrine disruptor, but the mechanism of its action has not been characterized. In this study, we show that atrazine rapidly increases cAMP levels in cultured rat pituitary and testicular Leydig cells in a concentration-dependent manner, but less effectively than 3-isobutyl-1-methylxanthine, a competitive non-specific inhibitor of phosphodiesterases (PDEs). In forskolin (an activator of adenylyl cyclase)- and probenecid (an inhibitor of cyclic nucleotide transporters)-treated cells, but not in 3-isobutyl-1-methylxanthine-treated cells, atrazine further increased cAMP levels, indicating that inhibition of PDEs accounts for accumulation of cAMP. In contrast to cAMP, atrazine did not alter cGMP levels, further indicating that it inhibits cAMP-specific PDEs. Atrazine-induced changes in cAMP levels were sufficient to stimulate prolactin release in pituitary cells and androgen production in Leydig cells, indicating that it acts as an endocrine disrupter both in cells that secrete by exocytosis of prestored hormones and in cells that secrete by de novo hormone synthesis. Rolipram abolished the stimulatory effect of atrazine on cAMP release in both cell types, suggesting that it acts as an inhibitor of PDE4s, isoforms whose mRNA transcripts dominate in pituitary and Leydig cells together with mRNA for PDE8A. In contrast, immortalized lacto-somatotrophs showed low expression of these mRNA transcripts and several fold higher cAMP levels compared to normal pituitary cells, and atrazine was unable to further increase cAMP levels. These results indicate that atrazine acts as a general endocrine disrupter by inhibiting cAMP-specific PDE4s.
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Affiliation(s)
- Marek Kucka
- Section on Cellular Signaling, Program in Developmental Neuroscience, NICHD, NIH, Bethesda, MD, USA
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