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Mossa ATH, Abdel Rasoul MA, Mohafrash SMM. Lactational exposure to abamectin induced mortality and adverse biochemical and histopathological effects in suckling pups. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:10150-10165. [PMID: 28258431 DOI: 10.1007/s11356-017-8600-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 02/07/2017] [Indexed: 06/06/2023]
Abstract
Information about the adverse effects of lactation transfer of abamectin (ABA) is important for human health, especially in the third-world countries where breastfeeding is the only source of nutrition for infants. So, the present study was undertaken to evaluate the adverse effects of breastfeeding exposure to ABA on oxidative damage and liver and kidney dysfunction in suckling rats. Dams were orally administered ABA at a doses 22.10, 11.05, and 2.21 mg a.i./kg b.wt from postnatal day 1 (PND1) until day 20 (PND20). The signs of toxicity and high mortality were recorded in suckling male (67.5%) and female (55.0%) pups whose mother exposed to the ABA at dose 22.1 mg a.i./kg b.wt. ABA induced significantly decrease in body weights of mothers and their male and female pups and significant increase in relative liver weights. It caused oxidative stress in the liver and kidney of mothers and their pups by increasing the level of malondialdehyde (MDA) and decreased activities of superoxide dismutase (SOD) and glutathione-transferase (GST). ABA altered the level of serum liver and kidney dysfunction biomarkers either in the mothers or their male and female pups in a dose-dependent manner. It caused histopathological alterations in the liver and kidney tissues. It can be decided that ABA was accumulated in mother's milk, transferred through breast feeding, and induced mortality in their suckling pups. It caused oxidative stress, lipid peroxidation, and biochemical and histopathological alterations in the liver and kidney of mothers and their suckling pups. The results in the present study add some information about the adverse effect of lactation transfer of ABA, which is important for human health in the third-world countries where breastfeeding may be the only source of nutrition for infants in the first and most critical weeks of life.
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Affiliation(s)
- Abdel-Tawab H Mossa
- Environmental Toxicology Research Unit (ETRU), Pesticide Chemistry Department, National Research Centre (NRC), 33 El Bohouth Street (former El Tahrir St.), Dokki, P.O. 12622, Giza, Egypt.
| | - Mona A Abdel Rasoul
- Department of Plant Protection, Faculty of Agriculture, Damanhour University, Damanhour, Egypt
| | - Samia M M Mohafrash
- Environmental Toxicology Research Unit (ETRU), Pesticide Chemistry Department, National Research Centre (NRC), 33 El Bohouth Street (former El Tahrir St.), Dokki, P.O. 12622, Giza, Egypt
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Kravchenko J, Corsini E, Williams MA, Decker W, Manjili MH, Otsuki T, Singh N, Al-Mulla F, Al-Temaimi R, Amedei A, Colacci AM, Vaccari M, Mondello C, Scovassi AI, Raju J, Hamid RA, Memeo L, Forte S, Roy R, Woodrick J, Salem HK, Ryan EP, Brown DG, Bisson WH, Lowe L, Lyerly HK. Chemical compounds from anthropogenic environment and immune evasion mechanisms: potential interactions. Carcinogenesis 2015; 36 Suppl 1:S111-27. [PMID: 26002081 DOI: 10.1093/carcin/bgv033] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 01/19/2015] [Indexed: 02/07/2023] Open
Abstract
An increasing number of studies suggest an important role of host immunity as a barrier to tumor formation and progression. Complex mechanisms and multiple pathways are involved in evading innate and adaptive immune responses, with a broad spectrum of chemicals displaying the potential to adversely influence immunosurveillance. The evaluation of the cumulative effects of low-dose exposures from the occupational and natural environment, especially if multiple chemicals target the same gene(s) or pathway(s), is a challenge. We reviewed common environmental chemicals and discussed their potential effects on immunosurveillance. Our overarching objective was to review related signaling pathways influencing immune surveillance such as the pathways involving PI3K/Akt, chemokines, TGF-β, FAK, IGF-1, HIF-1α, IL-6, IL-1α, CTLA-4 and PD-1/PDL-1 could individually or collectively impact immunosurveillance. A number of chemicals that are common in the anthropogenic environment such as fungicides (maneb, fluoxastrobin and pyroclostrobin), herbicides (atrazine), insecticides (pyridaben and azamethiphos), the components of personal care products (triclosan and bisphenol A) and diethylhexylphthalate with pathways critical to tumor immunosurveillance. At this time, these chemicals are not recognized as human carcinogens; however, it is known that they these chemicalscan simultaneously persist in the environment and appear to have some potential interfere with the host immune response, therefore potentially contributing to promotion interacting with of immune evasion mechanisms, and promoting subsequent tumor growth and progression.
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Affiliation(s)
- Julia Kravchenko
- Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA;
| | - Emanuela Corsini
- Dipartimento di Scienze Farmacologiche e Biomolecolari, School of Pharmacy, Università degli Studi di Milano, 20133 Milan, Italy
| | - Marc A Williams
- MEDCOM Army Institute of Public Health, Toxicology Portfolio - Health Effects Research Program, Aberdeen Proving Ground, Edgewood, Baltimore, MD 21010, USA
| | - William Decker
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Masoud H Manjili
- Department of Microbiology and Immunology, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Takemi Otsuki
- Department of Hygiene, Kawasaki Medical School, Kurashiki 701-0192, Japan
| | - Neetu Singh
- Advanced Molecular Science Research Centre, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Faha Al-Mulla
- Department of Pathology, Kuwait University, Safat 13110, Kuwait
| | | | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze 50134, Italy
| | - Anna Maria Colacci
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy
| | - Monica Vaccari
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, 40126 Bologna, Italy
| | - Chiara Mondello
- Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy
| | - A Ivana Scovassi
- Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy
| | - Jayadev Raju
- Toxicology Research Division, Bureau of Chemical Safety, Food Directorate, HPFB, Health Canada, Ottawa, Ontario K1A0K9, Canada
| | - Roslida A Hamid
- Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
| | - Lorenzo Memeo
- Mediterranean Institute of Oncology, 95029 Viagrande, Italy
| | - Stefano Forte
- Mediterranean Institute of Oncology, 95029 Viagrande, Italy
| | - Rabindra Roy
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Jordan Woodrick
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Hosni K Salem
- Urology Department, Kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo 12515, Egypt
| | - Elizabeth P Ryan
- Department of Environmental and Radiological Health Sciences, Colorado State University/ Colorado School of Public Health, Fort Collins, CO, 80523-1680, USA
| | - Dustin G Brown
- Department of Environmental and Radiological Health Sciences, Colorado State University/ Colorado School of Public Health, Fort Collins, CO, 80523-1680, USA
| | - William H Bisson
- Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA,
| | - Leroy Lowe
- Getting to Know Cancer, Nova Scotia, Canada and
| | - H Kim Lyerly
- Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA; Department of Pathology, Duke University Medical Center, Durham, NC 27710, USA
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Neal-Kluever A, Aungst J, Gu Y, Hatwell K, Muldoon-Jacobs K, Liem A, Ogungbesan A, Shackelford M. Infant toxicology: State of the science and considerations in evaluation of safety. Food Chem Toxicol 2014; 70:68-83. [DOI: 10.1016/j.fct.2014.05.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 05/02/2014] [Accepted: 05/03/2014] [Indexed: 11/26/2022]
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Williams PR, Holicky KC, Paustenbach DJ. Current Methods for Evaluating Children's Exposures for Use in Health Risk Assessment. ACTA ACUST UNITED AC 2011. [DOI: 10.3109/713610246] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Holmstrup M, Bindesbøl AM, Oostingh GJ, Duschl A, Scheil V, Köhler HR, Loureiro S, Soares AMVM, Ferreira ALG, Kienle C, Gerhardt A, Laskowski R, Kramarz PE, Bayley M, Svendsen C, Spurgeon DJ. Interactions between effects of environmental chemicals and natural stressors: a review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2010; 408:3746-62. [PMID: 19922980 DOI: 10.1016/j.scitotenv.2009.10.067] [Citation(s) in RCA: 460] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2009] [Revised: 10/19/2009] [Accepted: 10/26/2009] [Indexed: 05/06/2023]
Abstract
Ecotoxicological effect studies often expose test organisms under optimal environmental conditions. However, organisms in their natural settings rarely experience optimal conditions. On the contrary, during most of their lifetime they are forced to cope with sub-optimal conditions and occasionally with severe environmental stress. Interactions between the effects of a natural stressor and a toxicant can sometimes result in greater effects than expected from either of the stress types alone. The aim of the present review is to provide a synthesis of existing knowledge on the interactions between effects of "natural" and chemical (anthropogenic) stressors. More than 150 studies were evaluated covering stressors including heat, cold, desiccation, oxygen depletion, pathogens and immunomodulatory factors combined with a variety of environmental pollutants. This evaluation revealed that synergistic interactions between the effects of various natural stressors and toxicants are not uncommon phenomena. Thus, synergistic interactions were reported in more than 50% of the available studies on these interactions. Antagonistic interactions were also detected, but in fewer cases. Interestingly, about 70% of the tested chemicals were found to compromise the immune system of humans as judged from studies on human cell lines. The challenge for future studies will therefore be to include aspects of combined stressors in effect and risk assessment of chemicals in the environment.
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Affiliation(s)
- Martin Holmstrup
- National Environmental Research Institute, Aarhus University, Department of Terrestrial Ecology, Vejlsøvej 25, DK-8600 Silkeborg, Denmark.
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Calderón-Garcidueñas L, Macías-Parra M, Hoffmann HJ, Valencia-Salazar G, Henríquez-Roldán C, Osnaya N, Monte OCD, Barragán-Mejía G, Villarreal-Calderon R, Romero L, Granada-Macías M, Torres-Jardón R, Medina-Cortina H, Maronpot RR. Immunotoxicity and Environment: Immunodysregulation and Systemic Inflammation in Children. Toxicol Pathol 2009; 37:161-9. [DOI: 10.1177/0192623308329340] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Environmental pollutants, chemicals, and drugs have an impact on children’s immune system development. Mexico City (MC) children exposed to significant concentrations of air pollutants exhibit chronic respiratory inflammation, systemic inflammation, neuroinflammation, and cognitive deficits. We tested the hypothesis that exposure to severe air pollution plays a role in the immune responses of asymptomatic, apparently healthy children. Blood measurements for markers of immune function, inflammatory mediators, and molecules interacting with the lipopolysaccharide recognition complex were obtained from two cohorts of matched children (aged 9.7 ± 1.2 years) from southwest Mexico City (SWMC) (n = 66) and from a control city (n = 93) with criteria pollutant levels below current standards. MC children exhibited significant decreases in the numbers of natural killer cells ( p = .003) and increased numbers of mCD14+ monocytes ( p < .001) and CD8+ cells ( p = .02). Lower concentrations of interferon γ ( p = .009) and granulocyte–macrophage colony-stimulating factor ( p < .001), an endotoxin tolerance-like state, systemic inflammation, and an anti-inflammatory response were also present in the highly exposed children. C-reactive protein and the prostaglandin E metabolite levels were positively correlated with twenty-four- and forty-eight-hour cumulative concentrations of PM2.5. Exposure to urban air pollution is associated with immunodysregulation and systemic inflammation in children and is a major health threat.
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Affiliation(s)
- Lilian Calderón-Garcidueñas
- Instituto Nacional de Pediatría, Mexico City, Mexico
- Department of Biomedical and Pharmaceutical Sciences, College of Health Professions and Biomedical Sciences, The University of Montana, Missoula, Montana, USA
| | | | - Hans J. Hoffmann
- Department of Respiratory Diseases, Aarhus University Hospital, Aarhus, Denmark
| | | | | | - Norma Osnaya
- Instituto Nacional de Pediatría, Mexico City, Mexico
| | | | | | - Rodolfo Villarreal-Calderon
- Department of Biomedical and Pharmaceutical Sciences, College of Health Professions and Biomedical Sciences, The University of Montana, Missoula, Montana, USA
| | - Lina Romero
- Instituto Nacional de Pediatría, Mexico City, Mexico
| | - Margarita Granada-Macías
- Postgrado en Ciencias Biológicas, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Ricardo Torres-Jardón
- Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | - Robert R. Maronpot
- Experimental Pathology Laboratories, Inc., Research Triangle Park, North Carolina, USA
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Oostingh GJ, Schmittner M, Ehart AK, Tischler U, Duschl A. A high-throughput screening method based on stably transformed human cells was used to determine the immunotoxic effects of fluoranthene and other PAHs. Toxicol In Vitro 2008; 22:1301-10. [DOI: 10.1016/j.tiv.2008.03.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2007] [Revised: 03/03/2008] [Accepted: 03/09/2008] [Indexed: 11/25/2022]
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Han EH, Jeong TC, Jeong HG. Methoxychlor suppresses the 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible CYP1A1 expression in murine Hepa-1c1c7 cells. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2007; 70:1304-9. [PMID: 17654248 DOI: 10.1080/15287390701428481] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Methoxychlor (MXC) is a pesticide that was developed as a replacement for dichlorodiphenyltrichloroethane (DDT). The influence of MXC on CYP1A1 expression or the functions of mouse hepatoma Hepa-1clc7 remain unclear. Cultured Hepa-1c1c7 cells were treated with MXC with or without 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) to assess the role of MXC on CYP1A1 expression. MXC alone did not affect CYP1A1-specific 7-ethoxyresorufin O-deethylase (EROD) activity. In contrast, TCDD-inducible EROD activities were markedly reduced upon concomitant treatment with TCDD and MXC in a concentration-dependent manner. Treatment with ICI 182.780, an estrogen-receptor antagonist, did not affect the suppressive effects of MXC on TCDD-inducible EROD activity. TCDD-inducible CYP1A1 mRNA levels were markedly suppressed upon treatment with TCDD and MXC, and this is consistent with their effects on EROD activity. A transient transfection assay using dioxin-response element (DRE)-linked luciferase and an electrophoretic mobility shift assay revealed that MXC reduced the transformation of the aryl hydrocarbons (Ah) receptor to a form capable of specifically binding to the DRE sequence in the promoter region of the CYP1A1 gene. These results suggest that the downregulation of CYP1A1 gene expression by MXC in Hepa-1c1c7 cells might be an antagonism of the DRE binding potential of the nuclear Ah receptor but is not mediated through the estradiol receptor.
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Affiliation(s)
- Eun Hee Han
- BK21 Project Team, Department of Pharmacy, College of Pharmacy, Research Center for Proteineous Materials, Chosun University, Kwangju, Republic of Korea
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Roth DR, Roman D, Ulrich P, Mahl A, Junker U, Perentes E. Design and evaluation of immunotoxicity studies. ACTA ACUST UNITED AC 2006; 57:367-71. [PMID: 16709448 DOI: 10.1016/j.etp.2006.03.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2006] [Accepted: 03/30/2006] [Indexed: 11/28/2022]
Abstract
The evaluation of potential adverse effects of pharmaceuticals on the immune system is part of the standard drug development procedures and needs to be available prior to the start of phase III clinical trials. Although the histopathological assessment of lymphoid organs/tissues is considered fundamental for the identification and characterization of immunotoxic reactions, additional investigations are now recommended by the European guidelines for repeated-dose toxicity testing of medicinal products in order to achieve an accurate assessment of immune system functionality with regard to immunomodulation. In the present paper, we describe and discuss a study design which permits the investigation of the immune function in a 4-week study in rats following immunization by subcutaneous administration of the T-dependent antigen Keyhole Limpet Hemocynin (KLH). This includes assessment of hematology parameters, titration of KLH-specific antibodies in serum, lymphocyte immunophenotyping in blood, thymus, spleen and lymph nodes, macroscopic pathology and histopathological evaluation of the lymphatic organs/tissues and of the injection sites.
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Affiliation(s)
- D R Roth
- Novartis Pharma AG, MUT-2881.408, CH 4002 Basel, Switzerland.
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Kobayashi-Hattori K, Watanabe T, Kimura K, Sugita-Konishi Y. Down-regulation of mdr1b mRNA expression in the kidneys of mice following maternal exposure to tributyltin chloride. Biosci Biotechnol Biochem 2006; 70:1242-5. [PMID: 16717428 DOI: 10.1271/bbb.70.1242] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We investigated the change in renal mdr1b mRNA expression in offspring exposed to tributyltin chloride (TBTC) via the placenta and lactation or via lactation, using the real-time reverse transcription-polymerase chain reaction. Pregnant ICR mice were given water containing TBTC (0, 15, and 50 microg/ml) ad libitum from the start of pregnancy to weaning or from parturition to weaning. Exposure via the placenta and lactation significantly reduced the renal mdr1b level in offspring. Exposure to TBTC through the mother might impair the exclusion system of toxic compounds in offspring.
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Barrow PC, Horand F, Ravel G. Developmental immunotoxicity investigations in the SD rat following pre- and post-natal exposure to cyclosporin. ACTA ACUST UNITED AC 2006; 77:430-7. [PMID: 17066415 DOI: 10.1002/bdrb.20093] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND The development and function of the immune system was assessed in juvenile SD rats following pre- or post-natal exposure to cyclosporin. The main objective was to assess the feasibility of the methods available for the detection of adverse effects on the development of the immune system for use in the safety assessment of medicines. METHODS In a pre-natal experiment, 15 pregnant rats were given 10 mg/kg/day of cyclosporin by gavage from day 6 of gestation until 4 days after parturition. A control group received olive oil. In a post-natal experiment, the pups from 35 litters were given 10 mg/kg/day of cyclosporin by gavage from 4 to 28 days of age. Half of the pups in each litter were given water and acted as controls. Immune endpoints were determined in the pups in both experiments from two to 10 weeks of age, including: lymphocyte subsets, serum immunoglobulin titres, serum autoantibodies, primary antibody response to sheep red blood cells (SRBC), delayed-type hypersensitivity response, humoral response to keyhole limpet haemocyanin, spleen cellularity, immune organ weights, and histopathology. RESULTS Pre-natal exposure caused no effects on immune function. Post-natal exposure caused immune depression during the treatment period and a persistent impairment of the immune system characterised by lymphoid hyperplasia in the spleen and a reduced primary antibody response to SRBC at 10 weeks of age. CONCLUSIONS These results demonstrate the importance of a post-treatment follow-up period in developmental immunotoxicity studies, in order to distinguish between the transient effects of immune modulation and the persistent consequences of developmental toxicity.
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Affiliation(s)
- Paul C Barrow
- MDS Pharma Services, Les Oncins, Saint-Germain sur l'Arbresle, France.
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