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Kumar V, Sharma N, Sharma P, Pasrija R, Kaur K, Umesh M, Thazeem B. Toxicity analysis of endocrine disrupting pesticides on non-target organisms: A critical analysis on toxicity mechanisms. Toxicol Appl Pharmacol 2023; 474:116623. [PMID: 37414290 DOI: 10.1016/j.taap.2023.116623] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/19/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
Endocrine disrupting compounds are the chemicals which mimics the natural endocrine hormones and bind to the receptors made for the hormones. Upon binding they activate the cascade of reaction which leads to permanent activating of the signalling cycle and ultimately leads to uncontrolled growth. Pesticides are one of the endocrine disrupting chemicals which cause cancer, congenital birth defects, and reproductive defects in non-target organisms. Non-target organisms are keen on exposing to these pesticides. Although several studies have reported about the pesticide toxicity. But a critical analysis of pesticide toxicity and its role as endocrine disruptor is lacking. Therefore, the presented review literature is an endeavour to understand the role of the pesticides as endocrine disruptors. In addition, it discusses about the endocrine disruption, neurological disruption, genotoxicity, and ROS induced pesticide toxicity. Moreover, biochemical mechanisms of pesticide toxicity on non-target organisms have been presented. An insight on the chlorpyrifos toxicity on non-target organisms along with species names have been presented.
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Affiliation(s)
- Vinay Kumar
- Bioconversion and Tissue Engineering Laboratory, Department of Community Medicine, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Thandalam-602105, India.
| | - Neha Sharma
- Metagenomics and Bioprocess Design Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi, India
| | - Preeti Sharma
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana 124001, India
| | - Ritu Pasrija
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana 124001, India
| | - Komalpreet Kaur
- Punjab Agricultural University, Institute of Agriculture, Gurdaspur 143521, India
| | - Mridul Umesh
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560029, Karnataka, India
| | - Basheer Thazeem
- Waste Management Division, Integrated Rural Technology Centre (IRTC), Palakkad 678592, Kerala, India
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2
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González-Alvarez ME, Roach CM, Keating AF. Scrambled eggs-Negative impacts of heat stress and chemical exposures on ovarian function in swine. Mol Reprod Dev 2023; 90:503-516. [PMID: 36652419 DOI: 10.1002/mrd.23669] [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: 06/12/2022] [Revised: 12/20/2022] [Accepted: 12/29/2022] [Indexed: 01/19/2023]
Abstract
Exposure to environmental toxicants and hyperthermia can hamper reproduction in female mammals including swine. Phenotypic manifestations include poor quality oocytes, endocrine disruption, infertility, lengthened time to conceive, pregnancy loss, and embryonic defects. The ovary has the capacity for toxicant biotransformation, regulated in part by the phosphatidylinositol-3 kinase signaling pathway. The impacts of exposure to mycotoxins and pesticides on swine reproduction and the potential for an emerging chemical class of concern, the per- and polyfluoroalkylated substances, to hamper porcine reproduction are reviewed. The negative impairments of heat stress (HS) on swine reproductive outcomes are also described and the cumulative effect of environmental exposures, such as HS, when present in conjunction with a toxicant is considered.
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Affiliation(s)
- M Estefanía González-Alvarez
- Department of Animal Science and Interdepartmental Toxicology Graduate Program, Iowa State University, Ames, Iowa, USA
| | - Crystal M Roach
- Department of Animal Science and Interdepartmental Toxicology Graduate Program, Iowa State University, Ames, Iowa, USA
| | - Aileen F Keating
- Department of Animal Science and Interdepartmental Toxicology Graduate Program, Iowa State University, Ames, Iowa, USA
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Redox Status, Estrogen and Progesterone Production by Swine Granulosa Cells Are Impaired by Triclosan. Animals (Basel) 2022; 12:ani12243559. [PMID: 36552479 PMCID: PMC9774123 DOI: 10.3390/ani12243559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/10/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Triclosan is a chlorinated biphenolic with a broad spectrum of antiseptic activities used in cosmetics and hygiene products. Continuous exposure can lead to absorption and bioaccumulation of this substance with harmful health effects. In fact, previous studies have shown that Triclosan acts as an endocrine-disrupting chemical on reproductive organs, with consequent negative effects on reproductive physiology. Therefore, to assess potential adverse impacts on fertility, we tested Triclosan on swine granulosa cells, a model of endocrine reproductive cells. We examined its effects on the main features of granulosa cell functions such as cell growth (BrdU incorporation and ATP production) and steroidogenesis (17-β estradiol and progesterone secretion). Moreover, since oxidant−antioxidant balance plays a pivotal role in follicular function, redox status markers (superoxide, hydrogen peroxide and nitric oxide production, enzymatic and non-enzymatic scavenging activity) were studied. Our results show that Triclosan significantly inhibits cell growth (p < 0.001), steroidogenesis (p < 0.001), superoxide and nitric oxide production (p < 0.001), while it increases (p < 0.05) enzymatic defense systems. Collectively, these data suggest a disruption of the main granulosa cell functions, i.e., proliferation and hormone production, as well as an imbalance in redox status. On these bases, we can speculate that Triclosan would impair granulosa cell functions, thus exerting negative effects on reproductive function. Further studies are needed to explore lower Triclosan concentrations and to unravel its mechanisms of action at gene level.
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Basini G, Bussolati S, Torcianti V, Grasselli F. Perfluorooctanoic Acid (PFOA) Induces Redox Status Disruption in Swine Granulosa Cells. Vet Sci 2022; 9:vetsci9060254. [PMID: 35737306 PMCID: PMC9230600 DOI: 10.3390/vetsci9060254] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023] Open
Abstract
Perfluorooctanoic acid (PFOA) is employed in the production and processing of several plastic materials, mainly during the production of waterproof fabrics or nonstick cookware. PFOA is identified as a substance of very high concern, as it is classified as a persistent, bioaccumulative, and toxic (PBT) substance because of its persistence in the environment and its potential accumulation in organisms. Thus, safe levels of exposure cannot be established, and PFOA emissions should be minimized. PFOA has recently been linked to several health concerns in humans. In particular, a disruptive effect on redox status homeostasis has been documented, with a potential impairment of normal reproductive function that requires adequate oxidative balance. Therefore, the aim of the present study was to evaluate the effects of PFOA (2, 20, and 200 ng/mL) on ovarian granulosa cells, a model of reproductive cells. The obtained results reveal that PFOA stimulated cell viability (p < 0.05). Regarding the effects on free radical production, O2−, NO, and H2O2 were significantly inhibited (p < 0.05), while the nonenzymatic antioxidant power was not significantly modified. Collectively, the present results deserve attention since free radical molecules play a crucial role in ovarian follicle development leading to a successful ovulation.
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Ingaramo PI, Alarcón R, Caglieris ML, Varayoud J, Muñoz-de-Toro M, Luque EH. Altered uterine angiogenesis in rats treated with a glyphosate-based herbicide. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 296:118729. [PMID: 34953950 DOI: 10.1016/j.envpol.2021.118729] [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: 09/26/2021] [Revised: 12/02/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Glyphosate-based herbicides (GBHs) are the agrochemicals most used around the globe. However, they might have adverse effects on human and animal health. Previously, we showed that female rats neonatally exposed to GBHs exhibit altered expression of morphogenetic molecules and biomarkers of uterine development. We also observed a reduction in the size of implantation sites, altered expression of decidualization-related molecules, and increased post-implantation losses. Since decidualization comprises morphogenetic, biochemical and vascular changes, here we investigated the effects of neonatal GBH exposure on uterine angiogenesis in neonatal and pregnant rats. To achieve this, Wistar female rats were exposed to saline solution or GBH (2 mg glyphosate/kg-bw/day) on post-natal days (PND) 1, 3, 5 and 7. On PND8, uterine samples were collected for developmental studies. On PND90, the remaining females were mated and in the morning of gestational day (GD) 9, the implantation sites were collected. Angiogenesis-related molecules and cells involved in this process were identified and/or measured by immunohistochemistry or RT-PCR. On PND8, GBH-treated rats showed increased vascular endothelial growth factor (VEGF) expression and decreased Notch1, inducible nitric oxide synthase (iNOS) and Angiopoietin-2 (Ang2) mRNA levels. Vascular area, vessel diameter, endothelial cell proliferation, VEGF and Nestin protein expression, and VEGF, Notch1, iNOS and cyclooxygenase-2 (Cox-2) genes were downregulated in implantation sites of exposed females, while Ang2, VEGF receptor 1 and interleukin-10 (IL-10) were increased. Mast cells and macrophages were increased on PND8 and GD9 of treated rats. The increased Transforming growth factor-beta expression in the antimesometrial zone and IL-10 mRNA expression suggest that the M2 type is the predominant population of macrophages on implantation sites. In conclusion, neonatal GBH exposure alters the expression of angiogenesis-related molecules at neonatal uterine development and decidual reaction, suggesting altered vascular support. These alterations might contribute to the increased post-implantation losses observed in GBH-treated rats.
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Affiliation(s)
- Paola I Ingaramo
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina.
| | - Ramiro Alarcón
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - María L Caglieris
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
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Reshi MS, Mustafa RA, Javaid D, Haque S. Pesticide Toxicity Associated with Infertility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1391:59-69. [PMID: 36472816 DOI: 10.1007/978-3-031-12966-7_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Pesticides have benefited mankind in many ways like agriculture, industrial and health sectors. On the other hand, conversely their deleterious effects in both, humans and animals are also alarming. Pesticides including organophosphates, organochlorines, carbamates, pyrethrins and pyrethroids are found sufficiently in the environment resulting in everyday human exposure. This is of a huge concern because most of the pesticides are known to target all the physiological functions of both humans and animals. Indeed, reproduction, being one of the most important physiological processes, that is affected by the daily exposure to pesticides and leading to infertility issues. The present study summarizes the exposure of men and women to certain pesticides resulting in different infertility concerns like sperm abnormalities, decreased fertility, abnormal sperm count and motility, testicular atrophy, ovarian dysfunction, spontaneous abortions, disruption of hypothalamic-pituitary-gonadal axis, etc. So, this article will be helpful in perceiving the mechanism of reproductive toxicity of different pesticides and their management before any alarm of danger.
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Affiliation(s)
- Mohd Salim Reshi
- Toxicology and Pharmacology Laboratory, Department of Zoology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, Jammu and Kashmir, India
| | - Rashaid Ali Mustafa
- Toxicology and Pharmacology Laboratory, Department of Zoology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, Jammu and Kashmir, India
| | - Darakhshan Javaid
- Toxicology and Pharmacology Laboratory, Department of Zoology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, Jammu and Kashmir, India
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, Saudi Arabia.
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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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Yang C, Lim W, Song G. Mechanisms of deleterious effects of some pesticide exposure on pigs. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 175:104850. [PMID: 33993968 DOI: 10.1016/j.pestbp.2021.104850] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/29/2021] [Accepted: 04/04/2021] [Indexed: 06/12/2023]
Abstract
The increase in the size of the global population increases the food and energy demand, making the use of pesticides in agricultural and livestock industries unavoidable. Exposure to pesticides can be toxic to the non-target species, such as humans, wildlife, and livestock, in addition to the target organisms. Various chemicals are used in the livestock industry to control harmful organisms, such as insects, weeds, and parasites. Pigs are one of the most important food sources for humans. In addition, pigs can be used as promising models for assessing the risk of absorption of environmental pollutants through the skin and oral exposure since they are physiologically similar to humans. Exposure to numerous environmental pollutants, such as mycotoxins, persistent organic pollutants, and heavy metals, has been reported to adversely affect growth, fertility, and endocrine homeostasis in pigs. Various pesticides have been observed in porcine tissues, blood, urine, and processed foods; however, there is a lack of comprehensive understanding of their effects on porcine health. This review provides a comprehensive description of the characteristics of pesticides that pigs can be exposed to and how their exposure affects porcine reproductive function, intestinal health, and endocrine homeostasis in vivo and in vitro.
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Affiliation(s)
- Changwon Yang
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul 02707, Republic of Korea.
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
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9
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Basini G, Bussolati S, Bertini S, Quintavalla F, Grasselli F. Evaluation of Triclosan Effects on Cultured Swine Luteal Cells. Animals (Basel) 2021; 11:ani11030606. [PMID: 33668891 PMCID: PMC7996528 DOI: 10.3390/ani11030606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 02/20/2021] [Accepted: 02/22/2021] [Indexed: 12/21/2022] Open
Abstract
Simple Summary A great concern has been raised against many chemicals, both natural and man-made, that can mimic or interfere with the hormones. Among these, using swine ovarian cells, we were aimed to explore the potential effect of triclosan, an antimicrobial agent widely used in cosmetics and home products. Our results demonstrate that triclosan disrupts cellular function, in particular interfering with hormone production and proliferation, thus suggesting a critical evaluation of its effects. Abstract Triclosan is a chlorinated phenolic, used in many personal and home care products for its powerful antimicrobial effect. Several studies have shown triclosan toxicity and the American Food and Drug Administration (FDA) in 2016 has limited its use. It has been recently included in endocrine-disrupting chemicals (EDCs), a list of chemicals known for their ability to interfere with hormonal signaling with particular critical effects on reproduction both in animals and humans. In order to deepen the knowledge in this specific field, the present study was undertaken to explore the effect of different concentrations of triclosan (1, 10, and 50 µM) on cultured luteal cells, isolated from swine ovaries, evaluating effects on growth Bromodeoxyuridine (BrDU) incorporation and Adenosine TriPhosphate (ATP) production, steroidogenesis (progesterone secretion) and redox status (superoxide and nitric oxide production, enzymatic and non-enzymatic scavenging activity). A biphasic effect was exerted by triclosan on P4 production. In fact, the highest concentration inhibited, while the others stimulated P4 production (p < 0.05). Triclosan significantly inhibited cell proliferation, metabolic activity, and enzymatic scavenger activity (p < 0.05). On the contrary, nitric oxide production was significantly increased by triclosan (p < 0.01), while superoxide anion generation and non-enzymatic scavenging activity were unaffected.
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Yang C, Song G, Lim W. Effects of endocrine disrupting chemicals in pigs. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 263:114505. [PMID: 32268228 DOI: 10.1016/j.envpol.2020.114505] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 03/29/2020] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) are compounds that interfere with the expression, synthesis, and activity of hormones in organisms. They are released into the environment from flame retardants and products containing plasticizers. Persistent pesticides, such as dichlorodiphenyltrichloroethane (DDT) and hexachlorobenzene, also disrupt the endocrine system through interaction with hormone receptors. Endogenous hormones, such as 17β-estradiol (E2), are released in the urine and feces of farm animals and seep into terrestrial and aquatic ecosystems through sewage. Pigs are widely used as animal models to determine the effects of EDCs because they are physiologically, biochemically, and histologically similar to humans. EDCs primarily disrupt the reproductive and nervous systems of pigs. Moreover, embryonic development during the prenatal and early postnatal periods is particularly sensitive to EDCs. Mycotoxins, such as zearalenone, are food contaminants that alter hormonal activities in pigs. Mycotoxins also alter the innate immune system in pigs, making them vulnerable to diseases. It has been reported that farm animals are exposed to various types of EDCs, which accumulate in tissues, such as those of gonads, livers, and intestines. There is a lack of an integrated understanding of the impact of EDCs on porcine reproduction and development. Thus, this article aims to provide a comprehensive review of literature regarding the effects of EDCs in pigs.
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Affiliation(s)
- Changwon Yang
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea.
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul, 02707, Republic of Korea.
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Basini G, Ragionieri L, Bussolati S, Di Lecce R, Cacchioli A, Dettin M, Cantoni AM, Grolli S, La Bella O, Zamuner A, Grasselli F. Expression and function of the stromal cell-derived factor-1 (SDF-1) and CXC chemokine receptor 4 (CXCR4) in the swine ovarian follicle. Domest Anim Endocrinol 2020; 71:106404. [PMID: 31955063 DOI: 10.1016/j.domaniend.2019.106404] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 09/18/2019] [Accepted: 10/08/2019] [Indexed: 12/22/2022]
Abstract
The most characterized stromal cell-derived factor-1 (SDF-1) variants are the isoform α, which is the predominant one but undergoes rapid proteolysis, and the β isoform, which is more resistant. Through the interaction with a specific chemokine receptor called CXCR4, SDF-1 is able to regulate different physiological processes. The aim of this study was to verify the expression and potential functional role of SDF-1 and CXCR4 in the porcine ovary. Firstly, the expression of SDF-1 and its receptor in different ovarian districts was verified for the first time. Thereafter, the effect of SDF-1 β isoform (51-72) fragment on functional parameters, such as proliferation, metabolic activity, redox status, nitric oxide production, and steroidogenic activity, was assessed on granulosa cells collected from follicles. In addition, the potential effect of this protein in vascular events was verified through investigations on porcine aortic (AOC) endothelial cells, such as the production of nitric oxide and viability tests. The proliferation and metabolic activity were not affected by treatment with the cytokine. As regard to steroidogenesis, the peptide stimulated both estrogen (P = 0.049) and progesterone production (P = 0.039). Redox status was affected by the examined substance since superoxide anion was inhibited (P = 0.001), while antioxidant power (P = 0.034), as well as nitric oxide generation, were stimulated (P = 0.034). Tests performed on AOCs showed significant stimulation of nitric oxide production (P = 0.004) by the examined peptide, while cell viability was unaffected. Therefore, the potential role of cytokine in the mechanisms involved in the regulation of follicular function can be hypothesized.
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Affiliation(s)
- G Basini
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy.
| | - L Ragionieri
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - S Bussolati
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - R Di Lecce
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - A Cacchioli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - M Dettin
- Dipartimento di Ingegneria Industriale, Università di Padova, Via Marzolo, 9, 35131 Padova, Italy
| | - A M Cantoni
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - S Grolli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - O La Bella
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - A Zamuner
- Dipartimento di Ingegneria Industriale, Università di Padova, Via Marzolo, 9, 35131 Padova, Italy
| | - F Grasselli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126 Parma, Italy
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12
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Warner GR, Mourikes VE, Neff AM, Brehm E, Flaws JA. Mechanisms of action of agrochemicals acting as endocrine disrupting chemicals. Mol Cell Endocrinol 2020; 502:110680. [PMID: 31838026 PMCID: PMC6942667 DOI: 10.1016/j.mce.2019.110680] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 02/07/2023]
Abstract
Agrochemicals represent a significant class of endocrine disrupting chemicals that humans and animals around the world are exposed to constantly. Agrochemicals can act as endocrine disrupting chemicals through a variety of mechanisms. Recent studies have shown that several mechanisms of action involve the ability of agrochemicals to mimic the interaction of endogenous hormones with nuclear receptors such as estrogen receptors, androgen receptors, peroxisome proliferator activated receptors, the aryl hydrocarbon receptor, and thyroid hormone receptors. Further, studies indicate that agrochemicals can exert toxicity through non-nuclear receptor-mediated mechanisms of action. Such non-genomic mechanisms of action include interference with peptide, steroid, or amino acid hormone response, synthesis and degradation as well as epigenetic changes (DNA methylation and histone modifications). This review summarizes the major mechanisms of action by which agrochemicals target the endocrine system.
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Affiliation(s)
- Genoa R Warner
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Vasiliki E Mourikes
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Alison M Neff
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Emily Brehm
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States.
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13
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Ciccimarra R, Bussolati S, Grasselli F, Grolli S, Paolucci M, Basini G. Potential physiological involvement of nesfatin-1 in regulating swine granulosa cell functions. Reprod Fertil Dev 2020; 32:274-283. [DOI: 10.1071/rd19134] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 07/16/2019] [Indexed: 12/11/2022] Open
Abstract
Nesfatin-1 has recently been indicated as a pleiotropic molecule that is primarily involved in the metabolic regulation of reproductive functions acting at hypothalamic level. The aim of this study was to explore the local action of nesfatin-1 in swine ovarian follicles. Nucleobindin 2 (NUCB2) was verified using real-time quantitative polymerase chain reaction in swine granulosa cells from different sized follicles and nesfatin-1 was localised by immunohistochemistry in sections of the whole porcine ovary. The effects of different concentrations of nesfatin-1 on cell growth, steroidogenesis and the redox status of granulosa cells were determined invitro. In addition, the effects of nesfatin-1 were evaluated in an angiogenesis bioassay because vessel growth is essential for ovarian follicle function. Immunohistochemistry revealed intense positivity for nesfatin-1 in swine granulosa cells in follicles at all developmental stages. Expression of the gene encoding the precursor protein NUCB2 was higher in granulosa cells from large rather than from medium and small follicles. Further, nesfatin-1 stimulated cell proliferation and progesterone production and interfered with redox status by modifying nitric oxide production and non-enzyme scavenging activity in granulosa cells from large follicles. Moreover, nesfatin-1 exhibited a stimulatory effect on angiogenesis. This study demonstrates, for the first time, that nesfatin-1 is physiologically present in the swine ovarian follicle, where it may impair granulosa cell functions.
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Berni M, Gigante P, Bussolati S, Grasselli F, Grolli S, Ramoni R, Basini G. Bisphenol S, a Bisphenol A alternative, impairs swine ovarian and adipose cell functions. Domest Anim Endocrinol 2019; 66:48-56. [PMID: 30439591 DOI: 10.1016/j.domaniend.2018.08.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 08/01/2018] [Accepted: 08/16/2018] [Indexed: 01/10/2023]
Abstract
The high-volume-produced plastic monomer Bisphenol A (BPA) has been in the spotlight in the last years because of its endocrine disruptor (ED) behavior, leading to disclosure of the association between the widespread human and wildlife exposure to BPA and reproductive, metabolic, and developmental disorders and hormone-dependent cancer onset. These evidences caused restrictions and prohibitions of BPA industrial uses and prompted investigation of harmless alternative compounds. Above all, several countries have substituted the parental analogue with Bisphenol S (BPS) in baby care product manufacturing, even if its structural homology to BPA suggests similar ED properties not yet completely ruled out. In light of this consideration, the aim of this in vitro study was to investigate the effect of BPS exposure (0.1, 1, and 10 μM for 48 h) on granulosa cells that are considered the prime ovarian targets of BPA as a "reproductive toxicant". Our data document that BPS inhibited E2 production, cell proliferation, and scavenging nonenzymatic activity (P < 0.05) while it significantly (P < 0.05) stimulated cell viability, superoxide (O2-) and nitric oxide (NO) production in cultured swine granulosa cells, a previously validated endocrine cell model for BPA. Evidence also exists that BPA and its analogues, as environmental lipophilic pollutants, are involved in the disruption of adipose tissue (AT) endocrine function, resulting in metabolic effects and thus in potential reproductive disorders. On this basis, our second purpose was the assessment of BPS effects on mesenchymal stromal cells (MSCs) isolated from porcine AT, taking into account MSCs viability and adipogenic differentiation, a process actually demonstrated to be largely affected by EDs. Our results show that BPS decreased (P < 0.001) cell viability of proliferating adipose stromal cells. Taken as a whole, our data demonstrate an effective BPS ED activity at μM concentrations, suggesting that further studies are needed before considering its use in industrial application as an alternative to BPA.
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Affiliation(s)
- M Berni
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - P Gigante
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - S Bussolati
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - F Grasselli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - S Grolli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - R Ramoni
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - G Basini
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy.
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15
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Exogenous Nitric Oxide Donation During In Vitro Maturation Improves Embryonic Development after Parthenogenesis and Somatic Cell Nuclear Transfer in Pigs. JOURNAL OF ANIMAL REPRODUCTION AND BIOTECHNOLOGY 2018. [DOI: 10.12750/jet.2018.33.4.211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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16
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Grasselli F, Bussolati S, Ramoni R, Grolli S, Basini G. Simazine, a triazine herbicide, disrupts swine granulosa cell functions. Anim Reprod 2018; 15:3-11. [PMID: 33365088 PMCID: PMC7746213 DOI: 10.21451/1984-3143-2017-ar960] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The triazine herbicide simazine is a pesticide commonly detected in surface and ground waters,
although banned in most European countries since 2004. Concerns for humans and animal health
result from its potential endocrine disrupting action, that can lead to reproductive disorders.
The present in vitro study was undertaken to study simazine effects on
swine granulosa cell function, namely cell viability, proliferation, steroidogenesis
and NO production. Moreover, the ability of this substance to interfere with the angiogenetic
process, a crucial event in reproductive function, was taken into account. Our data document
that simazine treatment, at 0.1 or 10 μM concentration levels, stimulates granulosa
cell proliferation and viability and impairs steroidogenesis, increasing in particular
progesterone production. In addition, the in vitro angiogenesis bioassay
revealed a significant simazine stimulatory effect on immortalized porcine Aortic Endothelial
Cell proliferation. Collectively, these results show that simazine can display disruptive
effects on ovarian cell functional parameters, possibly resulting in reproductive dysfunction.
This hypothesis is also supported by the observed pro-angiogenetic properties of this herbicide,
as already suggested for different endocrine disruptors.
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17
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Gigante P, Berni M, Bussolati S, Grasselli F, Grolli S, Ramoni R, Basini G. Glyphosate affects swine ovarian and adipose stromal cell functions. Anim Reprod Sci 2018; 195:185-196. [PMID: 29843941 DOI: 10.1016/j.anireprosci.2018.05.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 05/16/2018] [Accepted: 05/22/2018] [Indexed: 12/20/2022]
Abstract
Although Glyphosate (GLY) is a widely used pesticide, its effects on ovarian function and stem cell differentiation are still largely unknown. Therefore, as a contribution on this subject, the present work reports an investigation of the in vitro effects of GLY on swine granulosa cells and adipose stromal cells (ASCs). The effect of GLY at different doses (0.2, 4 and 16 μg/mL) was evaluated on granulosa cells growth (BrDU incorporation and ATP production), steroidogenesis (17-β estradiol and progesterone secretion) and redox status (superoxide and nitric oxide production and non-enzymatic scavenging activity). GLY has been shown to inhibit cell growth, 17-β estradiol and non-enzymatic scavenging activity and to increase progesterone and nitric oxide secretion (P < 0.05). In addition, GLY significantly decreased the viability of ASCs (P < 0.001), and inhibited their adipogenic differentiation. These data indicate that GLY alters the main features of granulosa cells and ASCS thus suggesting that GLY could affect both reproductive function and adipose tissues homeostasis.
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Affiliation(s)
- Paolo Gigante
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy
| | - Melissa Berni
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy
| | - Simona Bussolati
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy
| | - Francesca Grasselli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy
| | - Stefano Grolli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy
| | - Roberto Ramoni
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy
| | - Giuseppina Basini
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, 43126, Parma, Italy.
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18
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Ciccimarra R, Bussolati S, Grasselli F, Grolli S, Ragionieri L, Ravanetti F, Botti M, Gazza F, Cacchioli A, Di Lecce R, Cantoni AM, Basini G. Orexin system in swine ovarian follicles. Domest Anim Endocrinol 2018; 62:49-59. [PMID: 29053993 DOI: 10.1016/j.domaniend.2017.09.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 09/01/2017] [Accepted: 09/03/2017] [Indexed: 11/17/2022]
Abstract
Successful reproduction is strictly linked to metabolic cues. The orexins are a family of hypothalamic neurohormones, well known for their key role in the control of food intake and the involvement in several aspects of the reproductive process. The biological actions of both orexins are carried out through binding to the related Orexin 1 (OX1R) and Orexin 2 (OX2R) G-protein-coupled receptors. The purpose of this study was to investigate the presence of orexin system components in the porcine ovaries, to contribute to expand the knowledge about their pleiotropic role. First, we investigated the localization of orexin A (OXA) and its receptors by immunochemistry in different ovarian districts. Thereafter, we evaluated the expression of the prepro-orexin (PPO) gene and OXA effects on granulosa cell functions. Immunohistochemical study revealed the presence of orexinergic system components in porcine ovarian follicles. Moreover, our data show the expression of PPO messenger RNA in swine ovarian follicles >5 mm. In addition, OXA influences proliferation (P < 0.05), steroidogenic activity (P < 0.05), and redox status of granulosa cells (P < 0.05). Therefore, we hypothesize that OXA could exert a local physiological role in swine ovarian follicles even if further studies are required to deeply define the function of this pleiotropic system.
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Affiliation(s)
- R Ciccimarra
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy.
| | - S Bussolati
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - F Grasselli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - S Grolli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - L Ragionieri
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - F Ravanetti
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - M Botti
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - F Gazza
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - A Cacchioli
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - R Di Lecce
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - A M Cantoni
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
| | - G Basini
- Dipartimento di Scienze Medico-Veterinarie, Università di Parma, Via del Taglio 10, Parma 43126, Italy
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19
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Basini G, Bussolati S, Grolli S, Ramoni R, Conti V, Quintavalla F, Grasselli F. Platelets are involved in in vitro swine granulosa cell luteinization and angiogenesis. Anim Reprod Sci 2017; 188:51-56. [PMID: 29174088 DOI: 10.1016/j.anireprosci.2017.11.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 10/05/2017] [Accepted: 11/08/2017] [Indexed: 10/18/2022]
Abstract
During corpus luteum formation, impressive biological events take place to guarantee the transition from original follicular to luteal cells and to support required massive angiogenesis. It has been demonstrated that these phenomena resemble those essential for wound healing. After ovulation, blood vessels release their content in the antral cavity and coagulation takes place. Involvement of platelets in corpus luteum growth has been hypothesized both in human and in rat. On this basis, using platelet lysate (PL), a blood derivative with a higher platelet concentration, we aimed to assess a potential involvement of platelets in swine granulosa cell luteinization and on new blood vessel growth. Our results demonstrate, for the first time in the swine, that platelets could be directly involved in granulosa cell physiological luteinization, since the treatment with PL shifted steroid production from estradiol 17β to progesterone. Moreover, PL stimulated angiogenesis. Nitric oxide could be involved in these effects. These results are important to clarify complex intrafollicular molecular machinery. A better understanding of these mechanisms can be useful to develop more focused therapeutic strategies to contrast sow infertility. In addition, since the pig represents a model for translational studies, collected data could be of interest for human medicine because reproductive pathologies such as Polycystic Ovary Syndrome (PCOS) and endometriosis are often accompanied by platelet dysfunctions.
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Affiliation(s)
- Giuseppina Basini
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy.
| | - Simona Bussolati
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - Stefano Grolli
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - Roberto Ramoni
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - Virna Conti
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - Fausto Quintavalla
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy
| | - Francesca Grasselli
- Dipartimento di Scienze Medico-Veterinarie, Università degli Studi di Parma, Via del Taglio 10, 43126 Parma, Italy
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20
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Altun S, Özdemir S, Arslan H. Histopathological effects, responses of oxidative stress, inflammation, apoptosis biomarkers and alteration of gene expressions related to apoptosis, oxidative stress, and reproductive system in chlorpyrifos-exposed common carp (Cyprinus carpio L.). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 230:432-443. [PMID: 28675853 DOI: 10.1016/j.envpol.2017.06.085] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 04/25/2017] [Accepted: 06/26/2017] [Indexed: 06/07/2023]
Abstract
In this study, we aimed to identify the toxic effects of chlorpyrifos exposure on the tissues of common carp. For this purpose, we evaluated histopathological changes in the brain, gills, liver, kidney, testis, and ovaries after 21 days of chlorpyrifos exposure. Activation of 8-OHdG, cleaved caspase-3, and iNOS were assesed by immunofluorescence assay in chlorpyrifos-exposed brain and liver tissue. Additionally, we measured the expression levels of caspase-3, caspase-8, iNOS, MT1, CYP1A, and CYP3A genes in chlorpyrifos-exposed brain tissue, as well as the expression levels of FSH and LH genes in chlorpyrifos-exposed ovaries, using qRT-PCR. We observed severe histopathological lesions, including inflammation, degeneration, necrosis, and hemorrhage, in the evaluated tissues of common carp after both high and low levels of exposure to chlorpyrifos. We detected strong and diffuse signs of immunofluorescence reaction for 8-OHdG, iNOS, and cleaved caspase-3 in the chlorpyrifos-exposed brain and liver tissues. Furthermore, we found that chlorpyrifos exposure significantly upregulated the expressions of caspase-3, caspase-8, iNOS, and MT1, and also moderately upregulated CYP1A and CYP3A in the brain tissue of exposed carp. We also noted downregulation of FSH and LH gene expressions in chlorpyrifos-exposed ovary tissues. Based on our results, chlorpyrifos toxication caused crucial histopathological lesions in vital organs, induced oxidative stress, inflammation, and apoptosis in liver and brain tissues, and triggered reproductive sterility in common carp. Therefore, we can propose that chlorpyrifos toxication is highly dangerous to the health of common carp. Moreover, chlorpyrifos pollution in the water could threaten the common carp population. Use of chlorpyrifos should be restricted, and aquatic systems should be monitored for chlorpyrifos pollution.
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Affiliation(s)
- Serdar Altun
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Yakutiye, 25240, Erzurum, Turkey.
| | - Selçuk Özdemir
- Department of Genetics, Faculty of Veterinary Medicine, Atatürk University, Yakutiye, 25240, Erzurum, Turkey
| | - Harun Arslan
- Department of Basic Sciences, Faculty of Fisheries, Atatürk University, Yakutiye, 25240, Erzurum, Turkey
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21
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Rattan S, Zhou C, Chiang C, Mahalingam S, Brehm E, Flaws JA. Exposure to endocrine disruptors during adulthood: consequences for female fertility. J Endocrinol 2017; 233:R109-R129. [PMID: 28356401 PMCID: PMC5479690 DOI: 10.1530/joe-17-0023] [Citation(s) in RCA: 182] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 03/29/2017] [Indexed: 01/10/2023]
Abstract
Endocrine disrupting chemicals are ubiquitous chemicals that exhibit endocrine disrupting properties in both humans and animals. Female reproduction is an important process, which is regulated by hormones and is susceptible to the effects of exposure to endocrine disrupting chemicals. Disruptions in female reproductive functions by endocrine disrupting chemicals may result in subfertility, infertility, improper hormone production, estrous and menstrual cycle abnormalities, anovulation, and early reproductive senescence. This review summarizes the effects of a variety of synthetic endocrine disrupting chemicals on fertility during adult life. The chemicals covered in this review are pesticides (organochlorines, organophosphates, carbamates, pyrethroids, and triazines), heavy metals (arsenic, lead, and mercury), diethylstilbesterol, plasticizer alternatives (di-(2-ethylhexyl) phthalate and bisphenol A alternatives), 2,3,7,8-tetrachlorodibenzo-p-dioxin, nonylphenol, polychlorinated biphenyls, triclosan, and parabens. This review focuses on the hypothalamus, pituitary, ovary, and uterus because together they regulate normal female fertility and the onset of reproductive senescence. The literature shows that several endocrine disrupting chemicals have endocrine disrupting abilities in females during adult life, causing fertility abnormalities in both humans and animals.
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Affiliation(s)
- Saniya Rattan
- Department of Comparative BiosciencesUniversity of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Changqing Zhou
- Department of Comparative BiosciencesUniversity of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Catheryne Chiang
- Department of Comparative BiosciencesUniversity of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Sharada Mahalingam
- Department of Comparative BiosciencesUniversity of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Emily Brehm
- Department of Comparative BiosciencesUniversity of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Jodi A Flaws
- Department of Comparative BiosciencesUniversity of Illinois at Urbana-Champaign, Urbana, Illinois, USA
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22
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Hao C, Gely-Pernot A, Kervarrec C, Boudjema M, Becker E, Khil P, Tevosian S, Jégou B, Smagulova F. Exposure to the widely used herbicide atrazine results in deregulation of global tissue-specific RNA transcription in the third generation and is associated with a global decrease of histone trimethylation in mice. Nucleic Acids Res 2016; 44:9784-9802. [PMID: 27655631 PMCID: PMC5175363 DOI: 10.1093/nar/gkw840] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 09/11/2016] [Accepted: 09/12/2016] [Indexed: 02/07/2023] Open
Abstract
The epigenetic events imposed during germline reprogramming and affected by harmful exposure can be inherited and transferred to subsequent generations via gametes inheritance. In this study, we examine the transgenerational effects promoted by widely used herbicide atrazine (ATZ). We exposed pregnant outbred CD1 female mice and the male progeny was crossed for three generations with untreated females. We demonstrate here that exposure to ATZ affects meiosis, spermiogenesis and reduces the spermatozoa number in the third generation (F3) male mice. We suggest that changes in testis cell types originate from modified transcriptional network in undifferentiated spermatogonia. Importantly, exposure to ATZ dramatically increases the number of transcripts with novel transcription initiation sites, spliced variants and alternative polyadenylation sites. We found the global decrease in H3K4me3 occupancy in the third generation males. The regions with altered H3K4me3 occupancy in F3 ATZ-derived males correspond to altered H3K4me3 occupancy of F1 generation and 74% of changed peaks in F3 generation are associated with enhancers. The regions with altered H3K4me3 occupancy are enriched in SP family and WT1 transcription factor binding sites. Our data suggest that the embryonic exposure to ATZ affects the development and the changes induced by ATZ are transferred up to three generations.
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Affiliation(s)
- Chunxiang Hao
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
| | - Aurore Gely-Pernot
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France.,EHESP, 2 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
| | - Christine Kervarrec
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
| | - Melissa Boudjema
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
| | - Emmanuelle Becker
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
| | - Pavel Khil
- Clinical Center, National Institute of Health, Bethesda, MD 20892, USA
| | - Sergei Tevosian
- University of Florida, Department of Physiological Sciences, Box 100144, 1333 Center Drive, 32610 Gainesville, FL, USA
| | - Bernard Jégou
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France.,EHESP, 2 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
| | - Fatima Smagulova
- Inserm U1085 IRSET, 9 Avenue du Professeur Léon-Bernard, 35000 Rennes, France
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23
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Wirbisky SE, Weber GJ, Sepúlveda MS, Lin TL, Jannasch AS, Freeman JL. An embryonic atrazine exposure results in reproductive dysfunction in adult zebrafish and morphological alterations in their offspring. Sci Rep 2016; 6:21337. [PMID: 26891955 PMCID: PMC4759560 DOI: 10.1038/srep21337] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 01/21/2016] [Indexed: 11/29/2022] Open
Abstract
The herbicide atrazine, a suspected endocrine disrupting chemical (EDC), frequently contaminates potable water supplies. Studies suggest alterations in the neuroendocrine system along the hypothalamus-pituitary-gonadal axis; however, most studies address either developmental, pubertal, or adulthood exposures, with few investigations regarding a developmental origins hypothesis. In this study, zebrafish were exposed to 0, 0.3, 3, or 30 parts per billion (ppb) atrazine through embryogenesis and then allowed to mature with no additional chemical exposure. Reproductive function, histopathology, hormone levels, offspring morphology, and the ovarian transcriptome were assessed. Embryonic atrazine exposure resulted in a significant increase in progesterone levels in the 3 and 30 ppb groups. A significant decrease in spawning and a significant increase in follicular atresia in the 30 ppb group were observed. In offspring, a decrease in the head length to body ratio in the 30 ppb group, along with a significant increase in head width to body ratio in the 0.3 and 3 ppb groups occurred. Transcriptomic alterations involved genes associated with endocrine system development and function, tissue development, and behavior. This study provides evidence to support atrazine as an EDC causing reproductive dysfunction and molecular alterations in adults exposed only during embryogenesis and morphological alterations in their offspring.
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Affiliation(s)
| | | | - Maria S Sepúlveda
- School of Health Sciences, West Lafayette, IN, 47907, USA.,Department of Forestry and Natural Resources, West Lafayette, IN, 47907, USA
| | - Tsang-Long Lin
- Department of Comparative Pathobiology, West Lafayette, IN, 47907, USA
| | - Amber S Jannasch
- Bindley Bioscience Center, Purdue University, West Lafayette, IN, 47907, USA
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24
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Qin L, Du ZH, Zhu SY, Li XN, Li N, Guo JA, Li JL, Zhang Y. Atrazine triggers developmental abnormality of ovary and oviduct in quails (Coturnix Coturnix coturnix) via disruption of hypothalamo-pituitary-ovarian axis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2015; 207:299-307. [PMID: 26432752 DOI: 10.1016/j.envpol.2015.09.044] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 09/16/2015] [Accepted: 09/20/2015] [Indexed: 06/05/2023]
Abstract
There has been a gradual increase in production and consumption of atrazine (ATR) in agriculture to meet the population rising demands. Female reproduction is necessary for growth and maintenance of population. However, ATR impact on females and particularly ovarian developmental toxicity is less clear. The aim of this study was to define the pathways by which ATR exerted toxic effects on ovarian development of ovary and hypothalamo-pituitary-ovarian (HPO) axis. Female quails were dosed by oral gavage from sexual immaturity to maturity with 0, 50, 250 and 500 mg ATR/kg/d for 45 days. ATR had no effect on mortality but depressed feed intake and growth and influenced the biochemical parameters. Notably, the arrested development of ovaries and oviducts were observed in ATR-exposed quails. The circulating concentrations of E2, P, LH and PRL were unregulated and FSH and T was downregulated in ATR-treated quails. The mRNA expression of GnRH in hypothalamo and LH in pituitary and FSH in ovary was downregulated significantly by ATR exposure and FSH and PRL in pituitary were upregulated. ATR exposure upregulated the level of P450scc, P450arom, 3β-HSD and 17β-HSD in ovary and downregulated ERβ expression in female quails. However, ATR did not change ERα expression in ovary. This study provides new insights regarding female productive toxicology of ATR exposure. Ovary and oviduct in sexually maturing females were target organs of ATR-induced developmental toxicity. We propose that ATR-induced developmental abnormality of ovary and oviduct is associated with disruption of gonadal hormone balance and HPO axis in female quails.
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Affiliation(s)
- Lei Qin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Zheng-Hai Du
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shi-Yong Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Xue-Nan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Nan Li
- National Research Insitiute for Family Planning, Beijing, 100081, PR China
| | - Jing-Ao Guo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Ying Zhang
- School of Resources & Environment, Northeast Agricultural University, Harbin, 150030, PR China.
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Gore AC, Chappell VA, Fenton SE, Flaws JA, Nadal A, Prins GS, Toppari J, Zoeller RT. EDC-2: The Endocrine Society's Second Scientific Statement on Endocrine-Disrupting Chemicals. Endocr Rev 2015; 36:E1-E150. [PMID: 26544531 PMCID: PMC4702494 DOI: 10.1210/er.2015-1010] [Citation(s) in RCA: 1262] [Impact Index Per Article: 140.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 09/01/2015] [Indexed: 02/06/2023]
Abstract
The Endocrine Society's first Scientific Statement in 2009 provided a wake-up call to the scientific community about how environmental endocrine-disrupting chemicals (EDCs) affect health and disease. Five years later, a substantially larger body of literature has solidified our understanding of plausible mechanisms underlying EDC actions and how exposures in animals and humans-especially during development-may lay the foundations for disease later in life. At this point in history, we have much stronger knowledge about how EDCs alter gene-environment interactions via physiological, cellular, molecular, and epigenetic changes, thereby producing effects in exposed individuals as well as their descendants. Causal links between exposure and manifestation of disease are substantiated by experimental animal models and are consistent with correlative epidemiological data in humans. There are several caveats because differences in how experimental animal work is conducted can lead to difficulties in drawing broad conclusions, and we must continue to be cautious about inferring causality in humans. In this second Scientific Statement, we reviewed the literature on a subset of topics for which the translational evidence is strongest: 1) obesity and diabetes; 2) female reproduction; 3) male reproduction; 4) hormone-sensitive cancers in females; 5) prostate; 6) thyroid; and 7) neurodevelopment and neuroendocrine systems. Our inclusion criteria for studies were those conducted predominantly in the past 5 years deemed to be of high quality based on appropriate negative and positive control groups or populations, adequate sample size and experimental design, and mammalian animal studies with exposure levels in a range that was relevant to humans. We also focused on studies using the developmental origins of health and disease model. No report was excluded based on a positive or negative effect of the EDC exposure. The bulk of the results across the board strengthen the evidence for endocrine health-related actions of EDCs. Based on this much more complete understanding of the endocrine principles by which EDCs act, including nonmonotonic dose-responses, low-dose effects, and developmental vulnerability, these findings can be much better translated to human health. Armed with this information, researchers, physicians, and other healthcare providers can guide regulators and policymakers as they make responsible decisions.
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Affiliation(s)
- A C Gore
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - V A Chappell
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - S E Fenton
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - J A Flaws
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - A Nadal
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - G S Prins
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - J Toppari
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
| | - R T Zoeller
- Pharmacology and Toxicology (A.C.G.), College of Pharmacy, The University of Texas at Austin, Austin, Texas 78734; Division of the National Toxicology Program (V.A.C., S.E.F.), National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina 27709; Department of Comparative Biosciences (J.A.F.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61802; Institute of Bioengineering and CIBERDEM (A.N.), Miguel Hernandez University of Elche, 03202 Elche, Alicante, Spain; Departments of Urology, Pathology, and Physiology & Biophysics (G.S.P.), College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612; Departments of Physiology and Pediatrics (J.T.), University of Turku and Turku University Hospital, 20520 Turku, Finland; and Biology Department (R.T.Z.), University of Massachusetts at Amherst, Amherst, Massachusetts 01003
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Atrazine Exposure and Reproductive Dysfunction through the Hypothalamus-Pituitary-Gonadal (HPG) Axis. TOXICS 2015; 3:414-450. [PMID: 28713818 PMCID: PMC5507375 DOI: 10.3390/toxics3040414] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Endocrine disrupting chemicals (EDC) are exogenous agents that alter endogenous hormone signaling pathways. These chemicals target the neuroendocrine system which is composed of organs throughout the body that work alongside the central nervous system to regulate biological processes. Of primary importance is the hypothalamic-pituitary-gonadal (HPG) axis which is vital for maintaining proper reproductive function. Atrazine (2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) is a pre-emergent herbicide used to prevent the growth of weeds on various crops. This herbicide is reported to widely contaminate potable water supplies everywhere it is applied. As such, the European Union banned the use of atrazine in 2004. Currently the United States Environmental Protection Agency regulates atrazine at 3 parts per billion (ppb; μg/L) in drinking water, while the World Health Organization recently changed their drinking water guideline to 100 ppb. Atrazine is implicated to be an EDC that alters reproductive dysfunction by targeting the HPG axis. However, questions remain as to the human health risks associated with atrazine exposure with studies reporting mixed results on the ability of atrazine to alter the HPG axis. In this review, the current findings for atrazine’s effects on the HPG axis are examined in mammalian, anuran, and fish models and in epidemiological studies.
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The epigenetic processes of meiosis in male mice are broadly affected by the widely used herbicide atrazine. BMC Genomics 2015; 16:885. [PMID: 26518232 PMCID: PMC4628360 DOI: 10.1186/s12864-015-2095-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 10/15/2015] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Environmental factors such as pesticides can cause phenotypic changes in various organisms, including mammals. We studied the effects of the widely used herbicide atrazine (ATZ) on meiosis, a key step of gametogenesis, in male mice. METHODS Gene expression pattern was analysed by Gene-Chip array. Genome-wide mapping of H3K4me3 marks distribution was done by ChIP-sequencing of testis tissue using Illumina technologies. RT-qPCR was used to validate differentially expressed genes or differential peaks. RESULTS We demonstrate that exposure to ATZ reduces testosterone levels and the number of spermatozoa in the epididymis and delays meiosis. Using Gene-Chip and ChIP-Seq analysis of H3K4me3 marks, we found that a broad range of cellular functions, including GTPase activity, mitochondrial function and steroid-hormone metabolism, are affected by ATZ. Furthermore, treated mice display enriched histone H3K4me3 marks in regions of strong recombination (double-strand break sites), within very large genes and reduced marks in the pseudoautosomal region of X chromosome. CONCLUSIONS Our data demonstrate that atrazine exposure interferes with normal meiosis, which affects spermatozoa production.
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Goodson WH, Lowe L, Carpenter DO, Gilbertson M, Manaf Ali A, Lopez de Cerain Salsamendi A, Lasfar A, Carnero A, Azqueta A, Amedei A, Charles AK, Collins AR, Ward A, Salzberg AC, Colacci A, Olsen AK, Berg A, Barclay BJ, Zhou BP, Blanco-Aparicio C, Baglole CJ, Dong C, Mondello C, Hsu CW, Naus CC, Yedjou C, Curran CS, Laird DW, Koch DC, Carlin DJ, Felsher DW, Roy D, Brown DG, Ratovitski E, Ryan EP, Corsini E, Rojas E, Moon EY, Laconi E, Marongiu F, Al-Mulla F, Chiaradonna F, Darroudi F, Martin FL, Van Schooten FJ, Goldberg GS, Wagemaker G, Nangami GN, Calaf GM, Williams G, Wolf GT, Koppen G, Brunborg G, Lyerly HK, Krishnan H, Ab Hamid H, Yasaei H, Sone H, Kondoh H, Salem HK, Hsu HY, Park HH, Koturbash I, Miousse IR, Scovassi AI, Klaunig JE, Vondráček J, Raju J, Roman J, Wise JP, Whitfield JR, Woodrick J, Christopher JA, Ochieng J, Martinez-Leal JF, Weisz J, Kravchenko J, Sun J, Prudhomme KR, Narayanan KB, Cohen-Solal KA, Moorwood K, Gonzalez L, Soucek L, Jian L, D'Abronzo LS, Lin LT, Li L, Gulliver L, McCawley LJ, Memeo L, Vermeulen L, Leyns L, Zhang L, Valverde M, Khatami M, Romano MF, Chapellier M, Williams MA, Wade M, Manjili MH, Lleonart ME, Xia M, Gonzalez MJ, Karamouzis MV, Kirsch-Volders M, Vaccari M, Kuemmerle NB, Singh N, Cruickshanks N, Kleinstreuer N, van Larebeke N, Ahmed N, Ogunkua O, Krishnakumar PK, Vadgama P, Marignani PA, Ghosh PM, Ostrosky-Wegman P, Thompson PA, Dent P, Heneberg P, Darbre P, Sing Leung P, Nangia-Makker P, Cheng QS, Robey RB, Al-Temaimi R, Roy R, Andrade-Vieira R, Sinha RK, Mehta R, Vento R, Di Fiore R, Ponce-Cusi R, Dornetshuber-Fleiss R, Nahta R, Castellino RC, Palorini R, Abd Hamid R, Langie SAS, Eltom SE, Brooks SA, Ryeom S, Wise SS, Bay SN, Harris SA, Papagerakis S, Romano S, Pavanello S, Eriksson S, Forte S, Casey SC, Luanpitpong S, Lee TJ, Otsuki T, Chen T, Massfelder T, Sanderson T, Guarnieri T, Hultman T, Dormoy V, Odero-Marah V, Sabbisetti V, Maguer-Satta V, Rathmell WK, Engström W, Decker WK, Bisson WH, Rojanasakul Y, Luqmani Y, Chen Z, Hu Z. Assessing the carcinogenic potential of low-dose exposures to chemical mixtures in the environment: the challenge ahead. Carcinogenesis 2015; 36 Suppl 1:S254-96. [PMID: 26106142 PMCID: PMC4480130 DOI: 10.1093/carcin/bgv039] [Citation(s) in RCA: 166] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Low-dose exposures to common environmental chemicals that are deemed safe individually may be combining to instigate carcinogenesis, thereby contributing to the incidence of cancer. This risk may be overlooked by current regulatory practices and needs to be vigorously investigated. Lifestyle factors are responsible for a considerable portion of cancer incidence worldwide, but credible estimates from the World Health Organization and the International Agency for Research on Cancer (IARC) suggest that the fraction of cancers attributable to toxic environmental exposures is between 7% and 19%. To explore the hypothesis that low-dose exposures to mixtures of chemicals in the environment may be combining to contribute to environmental carcinogenesis, we reviewed 11 hallmark phenotypes of cancer, multiple priority target sites for disruption in each area and prototypical chemical disruptors for all targets, this included dose-response characterizations, evidence of low-dose effects and cross-hallmark effects for all targets and chemicals. In total, 85 examples of chemicals were reviewed for actions on key pathways/mechanisms related to carcinogenesis. Only 15% (13/85) were found to have evidence of a dose-response threshold, whereas 59% (50/85) exerted low-dose effects. No dose-response information was found for the remaining 26% (22/85). Our analysis suggests that the cumulative effects of individual (non-carcinogenic) chemicals acting on different pathways, and a variety of related systems, organs, tissues and cells could plausibly conspire to produce carcinogenic synergies. Additional basic research on carcinogenesis and research focused on low-dose effects of chemical mixtures needs to be rigorously pursued before the merits of this hypothesis can be further advanced. However, the structure of the World Health Organization International Programme on Chemical Safety ‘Mode of Action’ framework should be revisited as it has inherent weaknesses that are not fully aligned with our current understanding of cancer biology.
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Affiliation(s)
- William H Goodson
- California Pacific Medical Center Research Institute, 2100 Webster Street #401, San Francisco, CA 94115, USA, Getting to Know Cancer, Room 229A, 36 Arthur Street, Truro, Nova Scotia B2N 1X5, Canada, Lancaster Environment Centre, Lancaster University, Bailrigg, Lancaster LA1 4AP, UK, Institute for Health and the Environment, University at Albany, 5 University Pl., Rensselaer, NY 12144, USA, Getting to Know Cancer, Guelph N1G 1E4, Canada, School of Biotechnology, Faculty of Agriculture Biotechnology and Food Sciences, Sultan Zainal Abidin University, Tembila Campus, 22200 Besut, Terengganu, Malaysia, Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Navarra, Pamplona 31008, Spain, Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers, State University of New Jersey, Piscataway, NJ 08854, USA, Instituto de Biomedicina de Sevilla, Consejo Superior de Investigaciones Cientificas. Hospital Universitario Virgen del Rocio, Univ. de Sevilla., Avda Manuel Siurot sn. 41013 Sevilla, Spain, Department of Experimental and Clinical Medicine, University of Firenze, Florence 50134, Italy, School of Biological Sciences, University of Reading, Hopkins Building, Reading, Berkshire RG6 6UB, UK, Department of Nutrition, University of Oslo, Oslo, Norway, Department of Biochemistry and Biology, University of Bath, Claverton Down, Bath BA2 7AY, UK, Department of Public Health Sciences, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA, Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy, Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo N-0403, Norway, Planet Biotechnologies Inc., St Albert, Alberta T8N 5K4, Canada, Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY 40508, USA, Spanish National Cancer Research Centre, CNI
| | - Leroy Lowe
- Getting to Know Cancer, Room 229A, 36 Arthur Street, Truro, Nova Scotia B2N 1X5, Canada, Lancaster Environment Centre, Lancaster University, Bailrigg, Lancaster LA1 4AP, UK
| | - David O Carpenter
- Institute for Health and the Environment, University at Albany, 5 University Pl., Rensselaer, NY 12144, USA
| | | | - Abdul Manaf Ali
- School of Biotechnology, Faculty of Agriculture Biotechnology and Food Sciences, Sultan Zainal Abidin University, Tembila Campus, 22200 Besut, Terengganu, Malaysia
| | | | - Ahmed Lasfar
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers, State University of New Jersey, Piscataway, NJ 08854, USA
| | - Amancio Carnero
- Instituto de Biomedicina de Sevilla, Consejo Superior de Investigaciones Cientificas. Hospital Universitario Virgen del Rocio, Univ. de Sevilla., Avda Manuel Siurot sn. 41013 Sevilla, Spain
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Navarra, Pamplona 31008, Spain
| | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, Florence 50134, Italy
| | - Amelia K Charles
- School of Biological Sciences, University of Reading, Hopkins Building, Reading, Berkshire RG6 6UB, UK
| | | | - Andrew Ward
- Department of Biochemistry and Biology, University of Bath, Claverton Down, Bath BA2 7AY, UK
| | - Anna C Salzberg
- Department of Public Health Sciences, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Annamaria Colacci
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy
| | - Ann-Karin Olsen
- Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo N-0403, Norway
| | - Arthur Berg
- Department of Public Health Sciences, College of Medicine, Pennsylvania State University, Hershey, PA 17033, USA
| | - Barry J Barclay
- Planet Biotechnologies Inc., St Albert, Alberta T8N 5K4, Canada
| | - Binhua P Zhou
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY 40508, USA
| | - Carmen Blanco-Aparicio
- Spanish National Cancer Research Centre, CNIO, Melchor Fernandez Almagro, 3, 28029 Madrid, Spain
| | - Carolyn J Baglole
- Department of Medicine, McGill University, Montreal, Quebec H4A 3J1, Canada
| | - Chenfang Dong
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY 40508, USA
| | - Chiara Mondello
- Istituto di Genetica Molecolare, CNR, Via Abbiategrasso 207, 27100 Pavia, Italy
| | - Chia-Wen Hsu
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, 9800 Medical Center Drive, Bethesda, MD 20892-3375, USA
| | - Christian C Naus
- Department of Cellular and Physiological Sciences, Life Sciences Institute, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia V5Z 1M9, Canada
| | - Clement Yedjou
- Department of Biology, Jackson State University, Jackson, MS 39217, USA
| | - Colleen S Curran
- Department of Molecular and Environmental Toxicology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Dale W Laird
- Department of Anatomy and Cell Biology, University of Western Ontario, London, Ontario N6A 3K7, Canada
| | - Daniel C Koch
- Stanford University Department of Medicine, Division of Oncology, Stanford, CA 94305, USA
| | - Danielle J Carlin
- Superfund Research Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27560, USA
| | - Dean W Felsher
- Department of Medicine, Oncology and Pathology, Stanford University, Stanford, CA 94305, USA
| | - Debasish Roy
- Department of Natural Science, The City University of New York at Hostos Campus, Bronx, NY 10451, USA
| | - Dustin G Brown
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523-1680, USA
| | - Edward Ratovitski
- Department of Head and Neck Surgery/Head and Neck Cancer Research, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Elizabeth P Ryan
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523-1680, USA
| | - Emanuela Corsini
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Emilio Rojas
- Department of Genomic Medicine and Environmental Toxicology, Institute for Biomedical Research, National Autonomous University of Mexico, Mexico City 04510, México
| | - Eun-Yi Moon
- Department of Bioscience and Biotechnology, Sejong University, Seoul 143-747, Korea
| | - Ezio Laconi
- Department of Biomedical Sciences, University of Cagliari, 09124 Cagliari, Italy
| | - Fabio Marongiu
- Department of Biomedical Sciences, University of Cagliari, 09124 Cagliari, Italy
| | - Fahd Al-Mulla
- Department of Pathology, Kuwait University, Safat 13110, Kuwait
| | - Ferdinando Chiaradonna
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy, SYSBIO Centre of Systems Biology, Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy
| | - Firouz Darroudi
- Human Safety and Environmental Research, Department of Health Sciences, College of North Atlantic, Doha 24449, State of Qatar
| | - Francis L Martin
- Lancaster Environment Centre, Lancaster University, Bailrigg, Lancaster LA1 4AP, UK
| | - Frederik J Van Schooten
- Department of Toxicology, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht 6200, The Netherlands
| | - Gary S Goldberg
- Department of Molecular Biology, School of Osteopathic Medicine, Rowan University, Stratford, NJ 08084, USA
| | - Gerard Wagemaker
- Hacettepe University, Center for Stem Cell Research and Development, Ankara 06640, Turkey
| | - Gladys N Nangami
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Gloria M Calaf
- Center for Radiological Research, Columbia University Medical Center, New York, NY 10032, USA, Instituto de Alta Investigacion, Universidad de Tarapaca, Arica, Chile
| | - Graeme Williams
- School of Biological Sciences, University of Reading, Reading, RG6 6UB, UK
| | - Gregory T Wolf
- Department of Otolaryngology - Head and Neck Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Gudrun Koppen
- Environmental Risk and Health Unit, Flemish Institute for Technological Research, 2400 Mol, Belgium
| | - Gunnar Brunborg
- Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo N-0403, Norway
| | - H Kim Lyerly
- Department of Surgery, Pathology, Immunology, Duke University Medical Center, Durham, NC 27710, USA
| | - Harini Krishnan
- Department of Molecular Biology, School of Osteopathic Medicine, Rowan University, Stratford, NJ 08084, USA
| | - Hasiah Ab Hamid
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, 43400 Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Hemad Yasaei
- Department of Life Sciences, College of Health and Life Sciences and the Health and Environment Theme, Institute of Environment, Health and Societies, Brunel University Kingston Lane, Uxbridge, Middlesex UB8 3PH, UK
| | - Hideko Sone
- National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibraki 3058506, Japan
| | - Hiroshi Kondoh
- Department of Geriatric Medicine, Kyoto University Hospital 54 Kawaharacho, Shogoin, Sakyo-ku Kyoto, 606-8507, Japan
| | - Hosni K Salem
- Department of Urology, Kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo 11559, Egypt
| | - Hsue-Yin Hsu
- Department of Life Sciences, Tzu-Chi University, Hualien 970, Taiwan
| | - Hyun Ho Park
- School of Biotechnology, Yeungnam University, Gyeongbuk 712-749, South Korea
| | - Igor Koturbash
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Isabelle R Miousse
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - A Ivana Scovassi
- Istituto di Genetica Molecolare, CNR, Via Abbiategrasso 207, 27100 Pavia, Italy
| | - James E Klaunig
- Department of Environmental Health, Indiana University, School of Public Health, Bloomington, IN 47405, USA
| | - Jan Vondráček
- Department of Cytokinetics, Institute of Biophysics Academy of Sciences of the Czech Republic, Brno, CZ-61265, Czech Republic
| | - Jayadev Raju
- Regulatory Toxicology Research Division, Bureau of Chemical Safety, Food Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Jesse Roman
- Department of Medicine, University of Louisville, Louisville, KY 40202, USA, Robley Rex VA Medical Center, Louisville, KY 40202, USA
| | - John Pierce Wise
- Department of Applied Medical Sciences, University of Southern Maine, 96 Falmouth St., Portland, ME 04104, USA
| | - Jonathan R Whitfield
- Mouse Models of Cancer Therapies Group, Vall d'Hebron Institute of Oncology (VHIO), 08035 Barcelona, Spain
| | - Jordan Woodrick
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC 20057, USA
| | - Joseph A Christopher
- Cancer Research UK. Cambridge Institute, University of Cambridge, Robinson Way, Cambridge CB2 0RE, UK
| | - Josiah Ochieng
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | | | - Judith Weisz
- Departments of Obstetrics and Gynecology and Pathology, Pennsylvania State University College of Medicine, Hershey PA 17033, USA
| | - Julia Kravchenko
- Department of Surgery, Pathology, Immunology, Duke University Medical Center, Durham, NC 27710, USA
| | - Jun Sun
- Department of Biochemistry, Rush University, Chicago, IL 60612, USA
| | - Kalan R Prudhomme
- Environmental and Molecular Toxicology, Environmental Health Science Center, Oregon State University, Corvallis, OR 97331, USA
| | | | - Karine A Cohen-Solal
- Department of Medicine/Medical Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08903, USA
| | - Kim Moorwood
- Department of Biochemistry and Biology, University of Bath, Claverton Down, Bath BA2 7AY, UK
| | - Laetitia Gonzalez
- Laboratory for Cell Genetics, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Laura Soucek
- Mouse Models of Cancer Therapies Group, Vall d'Hebron Institute of Oncology (VHIO), 08035 Barcelona, Spain, Catalan Institution for Research and Advanced Studies (ICREA), Barcelona 08010, Spain
| | - Le Jian
- School of Public Health, Curtin University, Bentley, WA 6102, Australia, Department of Urology, University of California Davis, Sacramento, CA 95817, USA
| | - Leandro S D'Abronzo
- Department of Urology, University of California Davis, Sacramento, CA 95817, USA
| | - Liang-Tzung Lin
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Lin Li
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, The People's Republic of China
| | - Linda Gulliver
- Faculty of Medicine, University of Otago, Dunedin 9054, New Zealand
| | - Lisa J McCawley
- Department of Biomedical Engineering and Cancer Biology, Vanderbilt University, Nashville, TN 37235, USA
| | - Lorenzo Memeo
- Department of Experimental Oncology, Mediterranean Institute of Oncology, Via Penninazzo 7, Viagrande (CT) 95029, Italy
| | - Louis Vermeulen
- Center for Experimental Molecular Medicine, Academic Medical Center, Meibergdreef 9, Amsterdam 1105 AZ, The Netherlands
| | - Luc Leyns
- Laboratory for Cell Genetics, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Luoping Zhang
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA 94720-7360, USA
| | - Mahara Valverde
- Department of Genomic Medicine and Environmental Toxicology, Institute for Biomedical Research, National Autonomous University of Mexico, Mexico City 04510, México
| | - Mahin Khatami
- Inflammation and Cancer Research, National Cancer Institute (NCI) (Retired), National Institutes of Health, Bethesda, MD 20892, USA
| | - Maria Fiammetta Romano
- Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, 80131 Naples, Italy
| | - Marion Chapellier
- Centre De Recherche En Cancerologie, De Lyon, Lyon, U1052-UMR5286, France
| | - Marc A Williams
- United States Army Institute of Public Health, Toxicology Portfolio-Health Effects Research Program, Aberdeen Proving Ground, Edgewood, MD 21010-5403, USA
| | - Mark Wade
- Center for Genomic Science of IIT@SEMM, Fondazione Istituto Italiano di Tecnologia, Via Adamello 16, 20139 Milano, Italy
| | - Masoud H Manjili
- Department of Microbiology and Immunology, Virginia Commonwealth University, Massey Cancer Center, Richmond, VA 23298, USA
| | - Matilde E Lleonart
- Institut De Recerca Hospital Vall D'Hebron, Passeig Vall d'Hebron, 119-129, 08035 Barcelona, Spain
| | - Menghang Xia
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, 9800 Medical Center Drive, Bethesda, MD 20892-3375, USA
| | - Michael J Gonzalez
- University of Puerto Rico, Medical Sciences Campus, School of Public Health, Nutrition Program, San Juan 00921, Puerto Rico
| | - Michalis V Karamouzis
- Department of Biological Chemistry, Medical School, University of Athens, Institute of Molecular Medicine and Biomedical Research, 10676 Athens, Greece
| | | | - Monica Vaccari
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy
| | - Nancy B Kuemmerle
- Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA
| | - Neetu Singh
- Advanced Molecular Science Research Centre (Centre for Advanced Research), King George's Medical University, Lucknow, Uttar Pradesh 226 003, India
| | - Nichola Cruickshanks
- Departments of Neurosurgery and Biochemistry and Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Nicole Kleinstreuer
- Integrated Laboratory Systems Inc., in support of the National Toxicology Program Interagency Center for the Evaluation of Alternative Toxicological Methods, RTP, NC 27709, USA
| | - Nik van Larebeke
- Analytische, Milieu en Geochemie, Vrije Universiteit Brussel, Brussel B1050, Belgium
| | - Nuzhat Ahmed
- Department of Obstetrics and Gynecology, University of Melbourne, Victoria 3052, Australia
| | - Olugbemiga Ogunkua
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - P K Krishnakumar
- Center for Environment and Water, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran 3126, Saudi Arabia
| | - Pankaj Vadgama
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Paola A Marignani
- Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
| | - Paramita M Ghosh
- Department of Urology, University of California Davis, Sacramento, CA 95817, USA
| | - Patricia Ostrosky-Wegman
- Department of Genomic Medicine and Environmental Toxicology, Institute for Biomedical Research, National Autonomous University of Mexico, Mexico City 04510, México
| | - Patricia A Thompson
- Department of Pathology, Stony Brook School of Medicine, Stony Brook University, The State University of New York, Stony Brook, NY 11794-8691, USA
| | - Paul Dent
- Departments of Neurosurgery and Biochemistry and Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Petr Heneberg
- Charles University in Prague, Third Faculty of Medicine, CZ-100 00 Prague 10, Czech Republic
| | - Philippa Darbre
- School of Biological Sciences, The University of Reading, Whiteknights, Reading RG6 6UB, England
| | - Po Sing Leung
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, The People's Republic of China
| | | | - Qiang Shawn Cheng
- Computer Science Department, Southern Illinois University, Carbondale, IL 62901, USA
| | - R Brooks Robey
- White River Junction Veterans Affairs Medical Center, White River Junction, VT 05009, USA, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA
| | - Rabeah Al-Temaimi
- Human Genetics Unit, Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya 13110, Kuwait
| | - Rabindra Roy
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC 20057, USA
| | - Rafaela Andrade-Vieira
- Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
| | - Ranjeet K Sinha
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Rekha Mehta
- Regulatory Toxicology Research Division, Bureau of Chemical Safety, Food Directorate, Health Canada, Ottawa, Ontario K1A 0K9, Canada
| | - Renza Vento
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies, Polyclinic Plexus, University of Palermo, Palermo 90127, Italy , Sbarro Institute for Cancer Research and Molecular Medicine, Temple University, Philadelphia, PA 19122, USA
| | - Riccardo Di Fiore
- Department of Biological, Chemical, and Pharmaceutical Sciences and Technologies, Polyclinic Plexus, University of Palermo, Palermo 90127, Italy
| | | | - Rita Dornetshuber-Fleiss
- Department of Pharmacology and Toxicology, University of Vienna, Vienna A-1090, Austria, Institute of Cancer Research, Department of Medicine, Medical University of Vienna, Wien 1090, Austria
| | - Rita Nahta
- Departments of Pharmacology and Hematology and Medical Oncology, Emory University School of Medicine and Winship Cancer Institute, Atlanta, GA 30322, USA
| | - Robert C Castellino
- Division of Hematology and Oncology, Department of Pediatrics, Children's Healthcare of Atlanta, GA 30322, USA, Department of Pediatrics, Emory University School of Medicine, Emory University, Atlanta, GA 30322, USA
| | - Roberta Palorini
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy, SYSBIO Centre of Systems Biology, Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milan, Italy
| | - Roslida Abd Hamid
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, 43400 Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Sabine A S Langie
- Environmental Risk and Health Unit, Flemish Institute for Technological Research, 2400 Mol, Belgium
| | - Sakina E Eltom
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Samira A Brooks
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Sandra Ryeom
- Department of Cancer Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Sandra S Wise
- Department of Applied Medical Sciences, University of Southern Maine, 96 Falmouth St., Portland, ME 04104, USA
| | - Sarah N Bay
- Program in Genetics and Molecular Biology, Graduate Division of Biological and Biomedical Sciences, Emory University, Atlanta, GA 30322, USA
| | - Shelley A Harris
- Population Health and Prevention, Research, Prevention and Cancer Control, Cancer Care Ontario, Toronto, Ontario, M5G 2L7, Canada, Departments of Epidemiology and Occupational and Environmental Health, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, M5T 3M7, Canada
| | - Silvana Papagerakis
- Department of Otolaryngology - Head and Neck Surgery, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Simona Romano
- Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, 80131 Naples, Italy
| | - Sofia Pavanello
- Department of Cardiac, Thoracic and Vascular Sciences, Unit of Occupational Medicine, University of Padova, Padova 35128, Italy
| | - Staffan Eriksson
- Department of Anatomy, Physiology and Biochemistry, The Swedish University of Agricultural Sciences, PO Box 7011, VHC, Almas Allé 4, SE-756 51, Uppsala, Sweden
| | - Stefano Forte
- Department of Experimental Oncology, Mediterranean Institute of Oncology, Via Penninazzo 7, Viagrande (CT) 95029, Italy
| | - Stephanie C Casey
- Stanford University Department of Medicine, Division of Oncology, Stanford, CA 94305, USA
| | - Sudjit Luanpitpong
- Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Tae-Jin Lee
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu 705-717, South Korea
| | - Takemi Otsuki
- Department of Hygiene, Kawasaki Medical School, Matsushima Kurashiki, Okayama 701-0192, Japan
| | - Tao Chen
- Division of Genetic and Molecular Toxicology, National Center for Toxicological Research, United States Food and Drug Administration, Jefferson, AR 72079, USA
| | - Thierry Massfelder
- INSERM U1113, team 3 'Cell Signalling and Communication in Kidney and Prostate Cancer', University of Strasbourg, Faculté de Médecine, 67085 Strasbourg, France
| | - Thomas Sanderson
- INRS-Institut Armand-Frappier, 531 Boulevard des Prairies, Laval, QC H7V 1B7, Canada
| | - Tiziana Guarnieri
- Department of Biology, Geology and Environmental Sciences, Alma Mater Studiorum Università di Bologna, Via Francesco Selmi, 3, 40126 Bologna, Italy, Center for Applied Biomedical Research, S. Orsola-Malpighi University Hospital, Via Massarenti, 9, 40126 Bologna, Italy, National Institute of Biostructures and Biosystems, Viale Medaglie d' Oro, 305, 00136 Roma, Italy
| | - Tove Hultman
- Department of Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, PO Box 7028, 75007 Uppsala, Sweden
| | - Valérian Dormoy
- INSERM U1113, team 3 'Cell Signalling and Communication in Kidney and Prostate Cancer', University of Strasbourg, Faculté de Médecine, 67085 Strasbourg, France, Department of Cell and Developmental Biology, University of California, Irvine, CA 92697, USA
| | - Valerie Odero-Marah
- Department of Biology/Center for Cancer Research and Therapeutic Development, Clark Atlanta University, Atlanta, GA 30314, USA
| | - Venkata Sabbisetti
- Harvard Medical School/Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Veronique Maguer-Satta
- United States Army Institute of Public Health, Toxicology Portfolio-Health Effects Research Program, Aberdeen Proving Ground, Edgewood, MD 21010-5403, USA
| | - W Kimryn Rathmell
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC 27599, USA
| | - Wilhelm Engström
- Department of Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, PO Box 7028, 75007 Uppsala, Sweden
| | | | - William H Bisson
- Environmental and Molecular Toxicology, Environmental Health Science Center, Oregon State University, Corvallis, OR 97331, USA
| | - Yon Rojanasakul
- Department of Pharmaceutical Sciences, West Virginia University, Morgantown, WV, 26506, USA
| | - Yunus Luqmani
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kuwait University, PO Box 24923, Safat 13110, Kuwait and
| | - Zhenbang Chen
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Zhiwei Hu
- Department of Surgery, The Ohio State University College of Medicine, The James Comprehensive Cancer Center, Columbus, OH 43210, USA
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Thompson PA, Khatami M, Baglole CJ, Sun J, Harris SA, Moon EY, Al-Mulla F, Al-Temaimi R, Brown DG, Colacci A, Mondello C, Raju J, Ryan EP, Woodrick J, Scovassi AI, Singh N, Vaccari M, Roy R, Forte S, Memeo L, Salem HK, Amedei A, Hamid RA, Lowe L, Guarnieri T, Bisson WH. Environmental immune disruptors, inflammation and cancer risk. Carcinogenesis 2015; 36 Suppl 1:S232-53. [PMID: 26106141 DOI: 10.1093/carcin/bgv038] [Citation(s) in RCA: 132] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
An emerging area in environmental toxicology is the role that chemicals and chemical mixtures have on the cells of the human immune system. This is an important area of research that has been most widely pursued in relation to autoimmune diseases and allergy/asthma as opposed to cancer causation. This is despite the well-recognized role that innate and adaptive immunity play as essential factors in tumorigenesis. Here, we review the role that the innate immune cells of inflammatory responses play in tumorigenesis. Focus is placed on the molecules and pathways that have been mechanistically linked with tumor-associated inflammation. Within the context of chemically induced disturbances in immune function as co-factors in carcinogenesis, the evidence linking environmental toxicant exposures with perturbation in the balance between pro- and anti-inflammatory responses is reviewed. Reported effects of bisphenol A, atrazine, phthalates and other common toxicants on molecular and cellular targets involved in tumor-associated inflammation (e.g. cyclooxygenase/prostaglandin E2, nuclear factor kappa B, nitric oxide synthesis, cytokines and chemokines) are presented as example chemically mediated target molecule perturbations relevant to cancer. Commentary on areas of additional research including the need for innovation and integration of systems biology approaches to the study of environmental exposures and cancer causation are presented.
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Affiliation(s)
- Patricia A Thompson
- Department of Pathology, Stony Brook Medical School, Stony Brook, NY 11794, USA, Inflammation and Cancer Research, National Cancer Institute (NCI) (Retired), NIH, Bethesda, MD 20817, USA, Department of Medicine, McGill University, Montreal, Quebec H2X 2P2, Canada, Department of Biochemistry, Rush University, Chicago, IL 60612, USA, Prevention and Cancer Control, Cancer Care Ontario, 620 University Avenue, Toronto, Ontario M5G 2L3, Canada, Department of Bioscience and Biotechnology, Sejong University, Seoul 143-747, Republic of South Korea, Department of Pathology, Kuwait University, Safat 13110, Kuwait, Department of Environmental and Radiological Health Sciences, Colorado State University, Colorado School of Public Health, Fort Collins, CO 80523-1680, USA, Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy, The Institute of Molecular Genetics, National Research Council, 27100 Pavia, Italy, Toxicology Research Division, Bureau of Chemical Safety Food Directorate, Health Products and Food Branch Health Canada, Ottawa, Ontario K1A0K9, Canada, Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC 20057, USA, Advanced Molecular Science Research Centre, King George's Medical University, Lucknow, Uttar Pradesh 226003, India, Mediterranean Institute of Oncology, 95029 Viagrande, Italy, Urology Department, kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo 12515, Egypt, Department of Experimental and Clinical Medicine, University of Firenze, 50134 Florence, Italy, Faculty of Medicine and Health Sciences, Universiti Putra, Malaysia, Serdang, Selangor 43400, Malaysia, Getting to Know Cancer, Room 229A, 36 Arthur St, Truro, Nova Scotia B2N 1X5, Canada Department of Biology, Geology and Environmental Sciences, Alma Mater Studiorum Università di Bologna, Via Francesco Selmi, 3, 40126 Bologna, Italy Center for Appl
| | - Mahin Khatami
- Inflammation and Cancer Research, National Cancer Institute (NCI) (Retired), NIH, Bethesda, MD 20817, USA
| | - Carolyn J Baglole
- Department of Medicine, McGill University, Montreal, Quebec H2X 2P2, Canada
| | - Jun Sun
- Department of Biochemistry, Rush University, Chicago, IL 60612, USA
| | - Shelley A Harris
- Prevention and Cancer Control, Cancer Care Ontario, 620 University Avenue, Toronto, Ontario M5G 2L3, Canada
| | - Eun-Yi Moon
- Department of Bioscience and Biotechnology, Sejong University, Seoul 143-747, Republic of South Korea
| | - Fahd Al-Mulla
- Department of Pathology, Kuwait University, Safat 13110, Kuwait
| | | | - Dustin G Brown
- Department of Environmental and Radiological Health Sciences, Colorado State University, Colorado School of Public Health, Fort Collins, CO 80523-1680, USA
| | - Annamaria Colacci
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy
| | - Chiara Mondello
- The Institute of Molecular Genetics, National Research Council, 27100 Pavia, Italy
| | - Jayadev Raju
- Toxicology Research Division, Bureau of Chemical Safety Food Directorate, Health Products and Food Branch Health Canada, Ottawa, Ontario K1A0K9, Canada
| | - Elizabeth P Ryan
- Department of Environmental and Radiological Health Sciences, Colorado State University, Colorado School of Public Health, Fort Collins, CO 80523-1680, USA
| | - Jordan Woodrick
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC 20057, USA
| | - A Ivana Scovassi
- The Institute of Molecular Genetics, National Research Council, 27100 Pavia, Italy
| | - Neetu Singh
- Advanced Molecular Science Research Centre, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Monica Vaccari
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy
| | - Rabindra Roy
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC 20057, USA
| | - Stefano Forte
- Mediterranean Institute of Oncology, 95029 Viagrande, Italy
| | - Lorenzo Memeo
- Mediterranean Institute of Oncology, 95029 Viagrande, Italy
| | - Hosni K Salem
- Urology Department, kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo 12515, Egypt
| | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, 50134 Florence, Italy
| | - Roslida A Hamid
- Faculty of Medicine and Health Sciences, Universiti Putra, Malaysia, Serdang, Selangor 43400, Malaysia
| | - Leroy Lowe
- Getting to Know Cancer, Room 229A, 36 Arthur St, Truro, Nova Scotia B2N 1X5, Canada
| | - Tiziana Guarnieri
- Department of Biology, Geology and Environmental Sciences, Alma Mater Studiorum Università di Bologna, Via Francesco Selmi, 3, 40126 Bologna, Italy Center for Applied Biomedical Research, S. Orsola-Malpighi University Hospital, Via Massarenti, 9, 40126 Bologna, Italy, National Institute of Biostructures and Biosystems, Viale Medaglie d' Oro, 305, 00136 Roma, Italy and
| | - William H Bisson
- Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, Oregon 97331, USA
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30
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Basini G, Grasselli F. Nitric oxide in follicle development and oocyte competence. Reproduction 2015; 150:R1-9. [DOI: 10.1530/rep-14-0524] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 03/19/2015] [Indexed: 12/14/2022]
Abstract
Apart from its well-known role in regulating endothelial function, in mammals, nitric oxide (NO) is an important signaling molecule involved in many processes, regulating different biological functions. It has been demonstrated that NO plays a role in the physiology of the reproductive system, where it acts in controlling the activity of reproductive organs in both sexes. In the female of several animal species, experimental data suggest the presence of an intraovarian NO-generating system, which could be involved in the control of follicular development. The role of NO in regulating follicular atresia by apoptosis is still controversial, as a dual action depending mostly on its concentration has been documented. NO also displays positive effects on follicle development and selection related to angiogenic events and it could also play a modulatory role in steroidogenesis in ovarian cells. Both in monovulatory and poliovulatory species, the increase in PGE2production induced by NO via a stimulatory effect on COX-2 activity appears to be a common ovulatory mechanism. Considerable evidence also exists to support an involvement of the NO/NO synthase system in the control of meiotic maturation of cumulus–oocyte complexes.
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31
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Chen D, Zhang Z, Yao H, Liang Y, Xing H, Xu S. Effects of atrazine and chlorpyrifos on oxidative stress-induced autophagy in the immune organs of common carp (Cyprinus carpio L.). FISH & SHELLFISH IMMUNOLOGY 2015; 44:12-20. [PMID: 25652291 DOI: 10.1016/j.fsi.2015.01.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 01/11/2015] [Accepted: 01/22/2015] [Indexed: 06/04/2023]
Abstract
Atrazine (ATR) and chlorpyrifos (CPF) are the most common agrochemical in the freshwater ecosystems of the world. This study assessed the effects of ATR (4.28, 42.8 and 428 μg/L), CPF (1.16, 11.6 and 116 μg/L) and combined ATR/CPF (1.13, 11.3 and 113 μg/L) on common carp head kidneys and spleens following 40 d exposure and 40 d recovery treatments. Nitric oxide (NO) content, activities of anti hydroxyl radical (AHR), anti superoxide anion (ASA), peroxidase (POD) and inducible nitric oxide synthase (iNOS), and the mRNA levels of the autophagy genes (LC3-II, dynein, TOR) were determined. The results indicate that the antioxidant enzyme (AHR, ASA, POD and iNOS) activities and NO content in the head kidney and spleen of the common carp increased significantly after a 40 d exposure to ATR and CPF alone or in combination. The mRNA levels of LC3-II and dynein in common carp increased significantly after exposure to ATR and CPF alone, or in combination. Moreover, the mRNA levels of LC3-II and dynein decreased significantly after a 40-d recovery. However, the mRNA levels of TOR gene for all decreased significantly at the end of the exposure and the recovery. To our knowledge, this is the first study to report the oxidative stress-induced autophagic effects in the common carp by exposure to ATR, CPF and the ATR/CPF combination. The information presented in the present study may be helpful to understanding the mechanisms of autophagy induced by ATR, CPF and the ATR/CPF combination in fish.
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Affiliation(s)
- Dechun Chen
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China; Department of Biological Engineering, Jilin Engineering Vocational College, 1299 Changfa Road, Siping 136001, China
| | - Ziwei Zhang
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China
| | - Haidong Yao
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China
| | - Yang Liang
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China
| | - Houjuan Xing
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China; Animal Health Supervision Institute of Heilongjiang Province, 243 Haping Road, Xiangfang District, Harbin 150069, PR China.
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China.
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32
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Pogrmic-Majkic K, Samardzija D, Fa S, Hrubik J, Glisic B, Kaisarevic S, Andric N. Atrazine Enhances Progesterone Production Through Activation of Multiple Signaling Pathways in FSH-Stimulated Rat Granulosa Cells: Evidence for Premature Luteinization1. Biol Reprod 2014; 91:124. [DOI: 10.1095/biolreprod.114.122606] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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Manzetti S, van der Spoel ER, van der Spoel D. Chemical Properties, Environmental Fate, and Degradation of Seven Classes of Pollutants. Chem Res Toxicol 2014; 27:713-37. [DOI: 10.1021/tx500014w] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Sergio Manzetti
- Uppsala
Center for Computational Chemistry, Science for Life Laboratory, Department
of Cell and Molecular Biology, University of Uppsala, Box 596, SE-75124 Uppsala, Sweden
- Fjordforsk A.S., Midtun, 6894 Vangsnes, Norway
| | - E. Roos van der Spoel
- Uppsala
Center for Computational Chemistry, Science for Life Laboratory, Department
of Cell and Molecular Biology, University of Uppsala, Box 596, SE-75124 Uppsala, Sweden
| | - David van der Spoel
- Uppsala
Center for Computational Chemistry, Science for Life Laboratory, Department
of Cell and Molecular Biology, University of Uppsala, Box 596, SE-75124 Uppsala, Sweden
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34
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Basini G, Baioni L, Bussolati S, Grolli S, Grasselli F. Prolactin is a potential physiological modulator of swine ovarian follicle function. ACTA ACUST UNITED AC 2014; 189:22-30. [DOI: 10.1016/j.regpep.2014.01.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Revised: 01/23/2014] [Accepted: 01/31/2014] [Indexed: 10/25/2022]
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35
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Wang LL, Liu T, Wang C, Zhao FQ, Zhang ZW, Yao HD, Xing HJ, Xu SW. Effects of atrazine and chlorpyrifos on the production of nitric oxide and expression of inducible nitric oxide synthase in the brain of common carp (Cyprinus carpio L.). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2013; 93:7-12. [PMID: 23602412 DOI: 10.1016/j.ecoenv.2013.03.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 03/07/2013] [Accepted: 03/11/2013] [Indexed: 06/02/2023]
Abstract
The study aimed to investigate the effects of atrazine (ATR), chlorpyrifos (CPF), and the mixture of them on nitric oxide (NO) and inducible nitric oxide synthase (iNOS) in the brain of common carp. The triazine herbicide ATR and the organophosphorus insecticide CPF are frequently and extensively applied in agriculture all over the world. 220 Carps were averagely divided into eleven groups according to the different treatments and concentration, including the exposure and recovery experiments. In the present study, we investigated production of NO, iNOS activity and iNOS mRNA and protein expression in the brain of the common carp after a 40d exposure to ATR, CPF, alone or in combination, and a 40d recovery treatment. The results showed that the activity of iNOS and production of NO were significantly higher in all groups of fish exposed to high doses ATR, CPF and their mixture compared to control fish. After a 40d recovery treatment, iNOS activity and production of NO were lower than in the corresponding exposure groups in all the recovery groups. The mRNA and protein levels of iNOS were significantly higher in the high-dose group of ATR and CPF compared to control group, but were significantly lower in the group of the mixture of ATR and CPF compared to control group. Results indicated that NO and iNOS were involved in oxidative stress and brain tissue damage induced by ATR, CPF, and their mixture. Thus, the information presented in this study is helpful to understand the mechanism of ATR-, CPF- and ATR/CPF-mixture-induced neurotoxicity in fish.
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Affiliation(s)
- Liang-Liang Wang
- Department of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, PR China
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