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Goswami S, Adhikary S, Bhattacharya S, Agarwal R, Ganguly A, Nanda S, Rajak P. The alarming link between environmental microplastics and health hazards with special emphasis on cancer. Life Sci 2024:122937. [PMID: 39103046 DOI: 10.1016/j.lfs.2024.122937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 07/15/2024] [Accepted: 07/27/2024] [Indexed: 08/07/2024]
Abstract
Microplastic contamination is a burgeoning environmental issue that poses serious threats to animal and human health. Microplastics enter the human body through nasal, dermal, and oral routes to contaminate multiple organs. Studies have advocated the existence of microplastics in human breast milk, sputum, faeces, and blood. Microplastics can find their ways to the sub-cellular moiety via active and passive approaches. At cellular level, microplastics follow clathrin and caveolae-dependent pathways to invade the sub-cellular environment. These environmental contaminants modulate the epigenetic control of gene expression, status of inflammatory mediators, redox homeostasis, cell-cycle proteins, and mimic the endocrine mediators like estrogen and androgen to fuel carcinogenesis. Furthermore, epidemiological studies have suggested potential links between the exposure to microplastics and the onset of chronic diseases. Microplastics trigger uncontrolled cell proliferation and ensuing tissue growth leading to various cancers affecting the lungs, blood, breasts, prostate, and ovaries. Additionally, such contamination can potentially affect sub-cellular signaling and injure multiple organs. In essence, numerous reports have claimed microplastic-induced toxicity and tumorigenesis in human and model animals. Nonetheless, the underlying molecular mechanism is still elusive and warrants further investigations. This review provides a comprehensive analysis of microplastics, covering their sources, chemistry, human exposure routes, toxicity, and carcinogenic potential at the molecular level.
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Affiliation(s)
- Sohini Goswami
- Department of Animal Science, Kazi Nazrul University, Paschim Bardhaman, West Bengal, India
| | - Satadal Adhikary
- Post Graduate Department of Zoology, A.B.N. Seal College, Cooch Behar, West Bengal, India
| | | | - Ruchika Agarwal
- Department of Animal Science, Kazi Nazrul University, Paschim Bardhaman, West Bengal, India
| | - Abhratanu Ganguly
- Department of Animal Science, Kazi Nazrul University, Paschim Bardhaman, West Bengal, India
| | - Sayantani Nanda
- Department of Animal Science, Kazi Nazrul University, Paschim Bardhaman, West Bengal, India
| | - Prem Rajak
- Department of Animal Science, Kazi Nazrul University, Paschim Bardhaman, West Bengal, India.
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Stocker L, Zervou SK, Papageorgiou SN, Karakousoglou S, Triantis T, Hiskia A, Eliades G, Eliades T. Salivary levels of eluents during Invisalign™ treatment with attachments: an in vivo investigation. Prog Orthod 2024; 25:22. [PMID: 38825612 PMCID: PMC11144685 DOI: 10.1186/s40510-024-00522-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 05/10/2024] [Indexed: 06/04/2024] Open
Abstract
BACKGROUND The aim of the present study was to investigate qualitatively and quantitatively the elution of substances from polyester-urethane (Invisalign™) aligners and resin composite attachments (Tetric EvoFlow) in vivo. METHODS Patients (n = 11) treated with the aligners and attachments (16 per patient, without other composite restorations) for an average of 20 months, who were planned for attachment removed were enrolled in the study. Patients were instructed to rinse with 50 mL of distilled water upon entry and the rinsing solution was collected (before removal). Then, the attachments were removed with low-speed tungsten carbide burs for adhesive residue removal, a thorough water rinsing was performed immediately after the grinding process to discard grinding particle residues, and subsequently, after a second water-rinsing the solution was collected for analysis (after removal). The rinsing solutions were analyzed for targeted (LC-MS/MS: Bis-GMA, DCDMA, UDMA, BPA) and untargeted (LC-HRMS: screening of leached species and their degradation products) compounds. RESULTS Targeted analysis revealed a significant reduction in BPA after attachment removal (4 times lower). Bis-GMA, DCDMA, UDMA were below the detection limit before removal but were all detectable after removal with Bis-GMA and UDMA at quantifiable levels. Untargeted analysis reviled the presence of mono-methacrylate transformation products of Bis-GMA (Bis-GMA-M1) and UDMA (UDMA-M1), UDMA without methacrylate moieties (UDMA-M2), and 4-(dimethylamino) benzoic acid (DMAB), the degradation product of the photo-initiator ethyl-4-(dimethylamino) benzoate (EDMAB), all after attachment removal. Several amino acids and endogenous metabolites were also found both before and after removal. CONCLUSIONS Elevated levels of BPA were traced instantaneously in patients treated with Invisalign™ and flowable resin composite attachments for the testing period. BPA was reduced after attachment removal, but residual monomers and resin degradation products were found after removal. Alternative resin formulations and attachment materials may be utilized to reduce eluents.
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Affiliation(s)
- Larissa Stocker
- Clinic of Orthodontics and Pediatric Dentistry, Center for Dental Medicine, University of Zurich, Plattenstrasse 11, Zurich, 8032, Switzerland
| | - Sevasti-Kiriaki Zervou
- Laboratory for Photo-Catalytic Processes and Environmental Chemistry, Institute of Nanoscience and Nanotechology, National Center for Scientific Research "Demokritos", Agia Paraskevi, Greece
| | - Spyridon N Papageorgiou
- Clinic of Orthodontics and Pediatric Dentistry, Center for Dental Medicine, University of Zurich, Plattenstrasse 11, Zurich, 8032, Switzerland
| | | | - Theodoros Triantis
- Laboratory for Photo-Catalytic Processes and Environmental Chemistry, Institute of Nanoscience and Nanotechology, National Center for Scientific Research "Demokritos", Agia Paraskevi, Greece
| | - Anastasia Hiskia
- Laboratory for Photo-Catalytic Processes and Environmental Chemistry, Institute of Nanoscience and Nanotechology, National Center for Scientific Research "Demokritos", Agia Paraskevi, Greece
| | - George Eliades
- Department of Biomaterials, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodore Eliades
- Clinic of Orthodontics and Pediatric Dentistry, Center for Dental Medicine, University of Zurich, Plattenstrasse 11, Zurich, 8032, Switzerland.
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Cavalleri Sousa T, de Oliveira CB, Silva Ricardo ML, Musa de Aquino A, Scarano WR, Cruz Veras AS, Almeida Tavares ME, Teixeira GR, Castillho ACD, Pacagnelli FL, Zalotti Brandt J, de Oliveira Mendes L. Prostate histological investigation in rats exposed to bisphenol a and phytochemicals during the perinatal period and subjected to hormonal stimulus in adulthood. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:201-212. [PMID: 36319067 DOI: 10.1080/09603123.2022.2140127] [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: 05/13/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Bisphenol A (BPA) is an environmentally dispersed chemical associated with tumor development. Phytochemicals such as indole-3-carbinol (I3C) and genistein (GEN) have chemoprotective effects on tumor cells. Thus, this study aimed to evaluate the prostatic morphological aspects of rats exposed to BPA, GEN, and I3C during the perinatal period and submitted to hormonal stimulus in adulthood. Blood was collected to obtain hormone concentrations. Slides stained with hematoxylin & eosin, and picrosirius were subjected to fractal, stereological, morphometric, and collagen quantification analysis. I3C decreased the plasma dihydrotestosterone levels, and both phytochemicals increased the plasma estrogen levels. Unlike phytochemicals, BPA did not alter any of the parameters evaluated. GEN reduced the epithelial height, while I3C increased the fractal dimension and stromal collagen. Although BPA did not alter the prostate morphology, the phytochemicals provided beneficial effects for the prostate histological organization in adult animals subjected to hormonal stimulus.
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Affiliation(s)
- Thainá Cavalleri Sousa
- Graduate Program in Animal Science, Western São Paulo University (UNOESTE), Presidente Prudente, Brazil
| | | | - Maria Luiza Silva Ricardo
- Graduate Program in Animal Science, Western São Paulo University (UNOESTE), Presidente Prudente, Brazil
| | | | | | - Allice Santos Cruz Veras
- Experimental Laboratory of Exercise Biology (LEBioEx), São Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Maria Eduarda Almeida Tavares
- Experimental Laboratory of Exercise Biology (LEBioEx), São Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Giovana Rampazzo Teixeira
- Experimental Laboratory of Exercise Biology (LEBioEx), São Paulo State University (UNESP), Presidente Prudente, Brazil
| | | | - Francis Lopes Pacagnelli
- Graduate Program in Animal Science, Western São Paulo University (UNOESTE), Presidente Prudente, Brazil
| | | | - Leonardo de Oliveira Mendes
- Graduate Program in Animal Science, Western São Paulo University (UNOESTE), Presidente Prudente, Brazil
- Master Program in Health Science, Western São Paulo University (UNOESTE), Presidente Prudente, Brazil
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Hao P, Pan H, Lv Z, Zhang J, Wang L, Zhu Y, Basang W, Gao Y. Characterization of 17β-estradiol-degrading enzyme from Microbacterium sp. MZT7 and its function on E2 biodegradation in wastewater. Microb Cell Fact 2023; 22:116. [PMID: 37370116 DOI: 10.1186/s12934-023-02119-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND 17β-estradiol (E2) residues exhibit harmful effects both for human and animals and have got global attention of the scientific community. Microbial enzymes are considered as one of the effective strategies having great potential for removal E2 residues from the environment. However, limited literature is available on the removal of E2 from wastewater using short-chain dehydrogenase. RESULTS In this study, 17β-estradiol degrading enzyme (17β-HSD-0095) was expressed and purified from Microbacterium sp. MZT7. The optimal pH and temperature for reaction was 7 and 40 °C, respectively. Molecular docking studies have shown that the ARG215 residue form a hydrogen bond with oxygen atom of the substrate E2. Likewise, the point mutation results have revealed that the ARG215 residue play an important role in the E2 degradation by 17β-HSD-0095. In addition, 17β-HSD-0095 could remediate E2 contamination in synthetic livestock wastewater. CONCLUSIONS These findings offer some fresh perspectives on the molecular process of E2 degradation and the creation of enzyme preparations that can degrade E2.
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Affiliation(s)
- Peng Hao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, 130118, China
- Institute of Animal Husbandry and Veterinary Medicine, Tibet Academy of Agriculture and Animal Husbandry Science, Lhasa, 850009, China
| | - Hanyu Pan
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, 130118, China
| | - Zongshuo Lv
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, 130118, China
| | - Jingyi Zhang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, 130118, China
| | - Lixia Wang
- Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130102, China
| | - Yanbin Zhu
- Institute of Animal Husbandry and Veterinary Medicine, Tibet Academy of Agriculture and Animal Husbandry Science, Lhasa, 850009, China
| | - Wangdui Basang
- Institute of Animal Husbandry and Veterinary Medicine, Tibet Academy of Agriculture and Animal Husbandry Science, Lhasa, 850009, China.
| | - Yunhang Gao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, 130118, China.
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Zheng R, Zhang Y, Cheng S, Xiao T. Environmental estrogens shape disease susceptibility. Int J Hyg Environ Health 2023; 249:114125. [PMID: 36773581 DOI: 10.1016/j.ijheh.2023.114125] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 12/12/2022] [Accepted: 01/26/2023] [Indexed: 02/11/2023]
Abstract
Along with industrialization, the environment is flooded with endocrine-disrupting chemicals, among which substances with estrogenic effects have attracted widespread attention in medical research. In terms of molecular mechanism, environmental estrogens can cause endocrine and metabolic disorders; interfere with multiple carcinogenic pathways; and lead to neurobehavioral disorders, reproductive toxicity, and multi- or trans-generational phenotypic abnormalities. However, many of the results from molecular and animal experiments were not supported by epidemiology, which may be related to the existence of a window of sensitivity to environmental estrogen exposure over the human life course, where the consequences of exposure vary greatly from other times. This paper will introduce the main sources of environmental estrogens, their toxicity and mechanisms of action, the status of research on several representative types, and current monitoring and treatment methods. We also discussed the extent of the risks to human health dialectically in the context of laboratory and epidemiological findings, with a view to better addressing these chemicals to which we are constantly exposed.
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Affiliation(s)
- Ruiqi Zheng
- State Key Laboratory of Molecular Oncology, Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yi Zhang
- State Key Laboratory of Molecular Oncology, Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Shujun Cheng
- State Key Laboratory of Molecular Oncology, Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Ting Xiao
- State Key Laboratory of Molecular Oncology, Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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Sánchez P, Castro B, Martínez-Rodríguez S, Ríos-Pelegrina R, Del Moral RG, Torres JM, Ortega E. Impact of chronic exposure of rats to bisphenol A from perinatal period to adulthood on intraprostatic levels of 5α-reductase isozymes, aromatase, and genes implicated in prostate cancer development. ENVIRONMENTAL RESEARCH 2022; 212:113142. [PMID: 35378123 DOI: 10.1016/j.envres.2022.113142] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 02/13/2022] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
The synergetic effect of estrogens and androgens is known to play a crucial role in the physiopathology of the prostate gland. Bisphenol A (BPA) is an endocrine disrupting compound that can interfere with endocrine hormone functioning and thereby influence prostate development. The objective of this study was to examine the impact on prostate expression of aromatase, 5α-R isozymes, and prostate cancer-related genes of exposure to low doses of BPA from perinatal period to adulthood. Vehicle or BPA (2.5 μg/kg b.w./day) was administered to gestating Wistar rats from gestational day 12 (GD12) to parturition and then to their male pups from postnatal day 1 (PND1) until euthanization on PND90. Their prostate glands were examined by qRT-PCR, Western blot, PCR array, and morphological study. mRNA and protein levels of 5α-R2 were significantly reduced and mRNA and protein levels of aromatase were significantly increased in BPA-treated animals, which also showed modifications of 8 out of the 84 key genes implicated in the development of prostate cancer. Because BPA interferes with genes involved in intraprostatic androgen and estrogen production and others implicated in prostate cancer, research is warranted into the prostate disease risk associated with chronic low-dose BPA exposure throughout life.
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Affiliation(s)
- Pilar Sánchez
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Granada, Spain.
| | - Beatriz Castro
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Granada, Spain.
| | | | - Rosa Ríos-Pelegrina
- Department of Anatomical Pathology, Clínico San Cecilio University Hospital, Granada, Spain.
| | - Raimundo G Del Moral
- Department of Anatomical Pathology, Clínico San Cecilio University Hospital, Granada, Spain.
| | - Jesús M Torres
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Granada, Spain; Neurosciences Institute, University of Granada, Spain.
| | - Esperanza Ortega
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Granada, Spain; Neurosciences Institute, University of Granada, Spain.
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Comprehensive analysis based in silico study of alternative bisphenols - Environmental explanation of prostate cancer progression. Toxicology 2022; 465:153051. [PMID: 34822915 DOI: 10.1016/j.tox.2021.153051] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/15/2021] [Accepted: 11/20/2021] [Indexed: 01/20/2023]
Abstract
Industries have begun to shift their focus on exploring substitute chemicals for BPA due to their concerns about safety and environmental pollution. In recent years, alternative bisphenols, including BPS, BPF, and BPAF have been extensively used as BPA substitutes. Based on previous studies, BPA is considered a risk factor for prostate cancer. This work aims to explore the interactive genes related to alternative bisphenols and prostate cancer using the TCGA, CTD, and GEO databases. After performing the GO and KEGG enrichment analysis, a correlation between alternative bisphenols and prostate cancer was detected using bioinformatics analysis. Among the interactive genes of alternative bisphenols, ferroptosis-related genes revealed strong correlations with prostate cancer. Moreover, the prognostic predictive model, ROC curve, and survival analysis confirmed that ferroptosis-related genes displayed a strong correlation in the prognosis of prostate cancer. We successfully evaluated the relationship between prostate cancer and alternative bisphenols; as a result, a novel approach was proposed to explore the damaging effect of environmental endocrine disruptors.
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Combined Effects of Different Endocrine-Disrupting Chemicals (EDCs) on Prostate Gland. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189772. [PMID: 34574693 PMCID: PMC8471191 DOI: 10.3390/ijerph18189772] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/03/2021] [Accepted: 09/13/2021] [Indexed: 11/26/2022]
Abstract
Endocrine-disrupting chemicals (EDCs) belong to a heterogeneous class of environmental pollutants widely diffused in different aquatic and terrestrial habitats. This implies that humans and animals are continuously exposed to EDCs from different matrices and sources. Moreover, pollution derived from anthropic and industrial activities leads to combined exposure to substances with multiple mechanisms of action on the endocrine system and correlated cell and tissue targets. For this reason, specific organs, such as the prostate gland, which physiologically are under the control of hormones like androgens and estrogens, are particularly sensitive to EDC stimulation. It is now well known that an imbalance in hormonal regulation can cause the onset of various prostate diseases, from benign prostate hyperplasia to prostate cancer. In this review, starting with the description of normal prostate gland anatomy and embryology, we summarize recent studies reporting on how the multiple and simultaneous exposure to estrogenic and anti-androgenic compounds belonging to EDCs are responsible for an increase in prostate disease incidence in the human population.
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Salamanca-Fernández E, Rodríguez-Barranco M, Amiano P, Delfrade J, Chirlaque MD, Colorado S, Guevara M, Jimenez A, Arrebola JP, Vela F, Olea N, Agudo A, Sánchez MJ. Bisphenol-A exposure and risk of breast and prostate cancer in the Spanish European Prospective Investigation into Cancer and Nutrition study. Environ Health 2021; 20:88. [PMID: 34399780 PMCID: PMC8369702 DOI: 10.1186/s12940-021-00779-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 07/29/2021] [Indexed: 06/03/2023]
Abstract
BACKGROUND Bisphenol A (BPA) is an endocrine disruptor that it is present in numerous products of daily use. The aim of this study was to assess the potential association of serum BPA concentrations and the risk of incident breast and prostate cancer in a sub-cohort of the Spanish European Prospective Investigation into Cancer and Nutrition (EPIC). METHODS We designed a case-cohort study within the EPIC-Spain cohort. Study population consisted on 4812 participants from 4 EPIC-Spain centers (547 breast cancer cases, 575 prostate cancer cases and 3690 sub-cohort participants). BPA exposure was assessed by means of chemical analyses of serum samples collected at recruitment. Borgan II weighted Cox regression was used to estimate hazard ratios. RESULTS Median follow-up time in our study was 16.9 years. BPA geometric mean serum values of cases and sub-cohort were 1.12 ng/ml vs 1.10 ng/ml respectively for breast cancer and 1.33 ng/ml vs 1.29 ng/ml respectively for prostate cancer. When categorizing BPA into tertiles, a 40% increase in risk of prostate cancer for tertile 1 (p = 0.022), 37% increase for tertile 2 (p = 0.034) and 31% increase for tertile 3 (p = 0.072) was observed with respect to values bellow the limit of detection. No significant association was observed between BPA levels and breast cancer risk. CONCLUSIONS We found a similar percentage of detection of BPA among cases and sub-cohort from our population, and no association with breast cancer risk was observed. However, we found a higher risk of prostate cancer for the increase in serum BPA levels. Further investigation is needed to understand the influence of BPA in prostate cancer risk.
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Affiliation(s)
- Elena Salamanca-Fernández
- Andalusian School of Public Health (EASP), Campus Universitario de Cartuja, C/Cuesta del Observatorio 4, 18080, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
| | - Miguel Rodríguez-Barranco
- Andalusian School of Public Health (EASP), Campus Universitario de Cartuja, C/Cuesta del Observatorio 4, 18080, Granada, Spain.
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain.
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.
| | - Pilar Amiano
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Public Health Division of Gipuzkoa, BioDonostia Research Institute, Donostia-San Sebastian, Spain
| | - Josu Delfrade
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Navarra Public Health Institute, Pamplona, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
| | - Maria Dolores Chirlaque
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia, Spain
- Department of Health and Sciences, University of Murcia, Murcia, Spain
| | - Sandra Colorado
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Epidemiology, Murcia Regional Health Council, IMIB-Arrixaca, Murcia, Spain
- Research Group on Demography and Health, National Faculty of Public Health, University of Antioquia, Medellín, Colombia
| | - Marcela Guevara
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Navarra Public Health Institute, Pamplona, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
| | - Ana Jimenez
- Public Health Division of Gipuzkoa, BioDonostia Research Institute, Donostia-San Sebastian, Spain
| | - Juan Pedro Arrebola
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain
| | - Fernando Vela
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
| | - Nicolás Olea
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Radiology, University of Granada, Granada, Spain
| | - Antonio Agudo
- Unit of Nutrition and Cancer, Catalan Institute of Oncology - ICO, Nutrition and Cancer Group, Bellvitge Biomedical Research Institute - IDIBELL, L'Hospitalet de Llobregat, 08908, Barcelona, Spain
| | - Maria-José Sánchez
- Andalusian School of Public Health (EASP), Campus Universitario de Cartuja, C/Cuesta del Observatorio 4, 18080, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain
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10
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Bornman MS, Aneck-Hahn NH. EDCs and male urogenital cancers. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2021; 92:521-553. [PMID: 34452696 DOI: 10.1016/bs.apha.2021.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Male sex determination and sexual differentiation occur between 6-12 weeks of gestation. During the "male programming window" the fetal testes start to produce testosterone that initiates the development of the male reproductive tract. Exposure to endocrine disrupting chemicals (EDCs) able to mimic or disrupt steroid hormone actions may disrupt testicular development and adversely impact reproductive health at birth, during puberty and adulthood. The testicular dysgenesis syndrome (TDS) occurs as a result inhibition of androgen action on fetal development preceding Sertoli and Leydig cell dysfunction and may result from direct or epigenetic effects. Hypospadias, cryptorchidism and poor semen quality are elements of TDS, which may be considered a risk factor for testicular germ cell cancer (TGCC). Exposure to estrogen or estrogenic EDCs results in developmental estrogenization/estrogen imprinting in the rodent for prostate cancer (PCa). This can disrupt prostate histology by disorganization of the epithelium, prostatic intraepithelial neoplasia (PIN) lesions, in particular high-grade PIN (HGPIN) lesions which are precursors of prostatic adenocarcinoma. These defects persist throughout the lifespan of the animal and later in life estrogen exposure predispose development of cancer. Exposure of pregnant dams to vinclozolin, a competitive anti-androgen, and results in prominent, focal regions of inflammation in all exposed animals. The inflammation closely resembles human nonbacterial prostatitis that occurs in young men and evidence indicates that inflammation plays a central role in the development of PCa. In conclusion, in utero exposure to endocrine disrupters may predispose to the development of TDS, testicular cancer (TCa) and PCa and are illustrations of Developmental Origins of Health and Disease (DOHaD).
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Affiliation(s)
- M S Bornman
- Environmental Chemical Pollution and Health Research Unit, Faculty of Health Sciences, School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa.
| | - N H Aneck-Hahn
- Environmental Chemical Pollution and Health Research Unit, Faculty of Health Sciences, School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa; Environmental Chemical Pollution and Health Research Unit, Faculty of Health Sciences, School of Medicine, Department of Urology, University of Pretoria, Pretoria, South Africa
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Foreman JE, Koga T, Kosyk O, Kang BH, Zhu X, Cohen SM, Billy LJ, Sharma AK, Amin S, Gonzalez FJ, Rusyn I, Peters JM. Species differences between mouse and human PPARα in modulating the hepatocarcinogenic effects of perinatal exposure to a high-affinity human PPARα agonist in mice. Toxicol Sci 2021; 183:81-92. [PMID: 34081146 DOI: 10.1093/toxsci/kfab068] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Evidence suggests that species differences exist between rodents and humans in their biological responses to ligand activation of PPARα. Moreover, neonatal/postnatal rodents may be more sensitive to the effects of activating PPARα. Thus, the present studies examined the effects of chronic ligand activation of PPARα initiated during early neonatal development and continued into adulthood on hepatocarcinogenesis in mice. Wild-type, Ppara-null, or PPARA-humanized mice were administered a potent, high affinity human PPARα agonist GW7647, and cohorts of mice were examined over time. Activation of PPARα with GW7647 increased expression of known PPARα target genes in liver and was associated with hepatomegaly, increased hepatic cytotoxicity and necrosis, increased expression of hepatic MYC, and a high incidence of hepatocarcinogenesis in wild-type mice. These effects did not occur or were largely diminished in Ppara-null and PPARA-humanized mice, although background levels of hepatocarcinogenesis were also noted in both Ppara-null and PPARA-humanized mice. More fatty change (steatosis) was also observed in both Ppara-null and PPARA-humanized mice independent of GW7647 administration. Results from these studies indicate that the mouse PPARα is required to mediate hepatocarcinogenesis induced by GW7647 in mice and that activation of the human PPARα with GW7647 in PPARA-humanized mice are diminished compared to wild-type mice. Ppara-null and PPARA-humanized mice are valuable tools for examining species differences in the mechanisms of PPARα-induced hepatocarcinogenesis, but background levels of liver cancer observed in aged Ppara-null and PPARA-humanized mice must be considered when interpreting results from studies that use these models. These results also demonstrate that early life exposure to a potent human PPARα agonist does not enhance sensitivity to hepatocarcinogenesis.
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Affiliation(s)
- Jennifer E Foreman
- Department of Veterinary and Biomedical Science and Center for Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, Pennsylvania
| | - Takayuki Koga
- Department of Veterinary and Biomedical Science and Center for Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, Pennsylvania
| | - Oksana Kosyk
- Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, North Carolina
| | - Boo-Hyon Kang
- Non-clinical Research Institute, Yangji, Yongin, 17162, Gu Chemon, Myeon, Cheoin-, Si, Gyeonggi-Do Korea
| | - Xiaoyang Zhu
- Department of Veterinary and Biomedical Science and Center for Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, Pennsylvania
| | - Samuel M Cohen
- Havlik-Wall Professor of Oncology, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, Nebraska, 68198-3135
| | - Laura J Billy
- Department of Veterinary and Biomedical Science and Center for Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, Pennsylvania
| | - Arun K Sharma
- Department of Pharmacology, The Pennsylvania State University, Hershey, Pennsylvania
| | - Shantu Amin
- Department of Pharmacology, The Pennsylvania State University, Hershey, Pennsylvania
| | - Frank J Gonzalez
- Laboratory of Metabolism, National Cancer Institute, Bethesda, Maryland
| | - Ivan Rusyn
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, Texas
| | - Jeffrey M Peters
- Department of Veterinary and Biomedical Science and Center for Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, Pennsylvania
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12
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Zhao F, Liu H, Li Z, Lin P, Wang A, Jin Y, Yi Y. Low-dose bisphenol A impairs the function of mouse decidual stromal cells by activating LUMAN-mediated unfolded protein response. Food Chem Toxicol 2021; 153:112242. [PMID: 33930482 DOI: 10.1016/j.fct.2021.112242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/30/2021] [Accepted: 04/22/2021] [Indexed: 11/15/2022]
Abstract
The nonsteroidal estrogenic compound bisphenol A (BPA) is widely present in several industrial and medical products including plastic food containers and sealants in dentistry. There are growing concerns on the toxic effects of this compounds since BPA is known to have reproductive toxicity. This study evaluated the effects of low-dose BPA exposure on decidual stromal cells (DSCs) of mice. The results showed that although 10 nM of BPA have no significant effect on the cell viability, it alters the expression of decidualization-related genes including Prl8a2, Prl3c1, Ptgs2, and Mmp2. Moreover, we found that low-dose BPA exposure induces UPR response in DSCs. However, the expression of the three major UPR receptors (Perk, Ire 1, and Xbp1) did not change significantly. Interestingly, the expression of Luman, a novel receptor of UPR, was significantly upregulated in a dose-dependent manner. Lentivirus containing shLuman sequence was used to generate stable Luman silencing DSCs. It's showed that Luman knockdown could affect the expression of decidualization-related genes in decidual cells after BPA treatment. In summary, these results suggest that Luman plays a key role in low dose BPA-induced decidual toxicity of DSCs in mouse.
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Affiliation(s)
- Fan Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Huan Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Zhanghuan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Pengfei Lin
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Aihua Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
| | - Yaping Jin
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China.
| | - Yanglei Yi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China.
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13
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Liu H, Pan Y, Jin S, Sun X, Jiang Y, Wang Y, Ghassabian A, Li Y, Xia W, Cui Q, Zhang B, Zhou A, Dai J, Xu S. Associations between six common per- and polyfluoroalkyl substances and estrogens in neonates of China. JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124378. [PMID: 33139105 DOI: 10.1016/j.jhazmat.2020.124378] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/19/2020] [Accepted: 10/23/2020] [Indexed: 06/11/2023]
Abstract
Experimental studies suggested per- and polyfluoroalkyl substances (PFASs) may disrupt estrogens in animals, however, the epidemiological evidence on the associations of PFASs with estrogens is sparse. We investigated the associations of legacy PFASs and their alternatives, including F-53B, the perfluorooctane sulfonate (PFOS) replacement that is specifically and commonly used in China, with estrogen concentrations in newborns. We quantified six PFASs and three estrogens in the cord sera of 942 newborns from a birth cohort in Wuhan, China, between 2013 and 2014. After adjusting for confounders and correcting for multiple comparisons, we observed that both legacy PFASs and their alternatives were associated with higher serum levels of estradiol (E2). Some of the PFASs were associated with increasing levels of estrone (E1) and estriol (E3). Analysis of PFASs in mixture using weighted quantile sum regressions showed that F-53B contributed 20.1% and 48.5% to the associations between PFASs and E1 and E2, respectively. This study provided epidemiological data on the associations between common PFAS exposures and estrogens in newborns. Additional toxicology studies are needed to fully understand the effects of PFASs on estrogens and the mechanisms.
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Affiliation(s)
- Hongxiu Liu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; Department of Pediatrics, New York University Grossman School of Medicine, New York 10016, United States
| | - Yitao Pan
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - Shuna Jin
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China
| | - Xiaojie Sun
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China
| | - Yangqian Jiang
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China
| | - Yuyan Wang
- Department of Population Health, New York University Grossman School of Medicine, New York 10016, United States
| | - Akhgar Ghassabian
- Department of Pediatrics, New York University Grossman School of Medicine, New York 10016, United States; Department of Population Health, New York University Grossman School of Medicine, New York 10016, United States; Department of Environmental Medicine, New York University Grossman School of Medicine, New York 10016, United States
| | - Yuanyuan Li
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China
| | - Wei Xia
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China
| | - Qianqian Cui
- Department of Pediatrics, New York University Grossman School of Medicine, New York 10016, United States
| | - Bin Zhang
- Women and Children Medical and Healthcare Center of Wuhan, Wuhan 430000, Hubei, PR China
| | - Aifen Zhou
- Women and Children Medical and Healthcare Center of Wuhan, Wuhan 430000, Hubei, PR China
| | - Jiayin Dai
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, PR China.
| | - Shunqing Xu
- Key Laboratory of Environment and Health (HUST), Ministry of Education & Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China; State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, Hubei, PR China.
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14
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Hu X, Biswas A, Sharma A, Sarkodie H, Tran I, Pal I, De S. Mutational signatures associated with exposure to carcinogenic microplastic compounds bisphenol A and styrene oxide. NAR Cancer 2021; 3:zcab004. [PMID: 33718875 PMCID: PMC7936647 DOI: 10.1093/narcan/zcab004] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 02/04/2021] [Accepted: 02/10/2021] [Indexed: 11/12/2022] Open
Abstract
Microplastic pollutants in oceans and food chains are concerning to public health. Common plasticizing compounds Bisphenol-A (BPA) and Styrene-7,8-Oxide (SO) are now labeled as carcinogens. We show that BPA and SO cause deoxyribonucleic acid damage and mutagenesis in human cells, and analyze the genome-wide point mutation and genomic rearrangement patterns associated with BPA and SO exposure. A subset of the single- and doublet base substitutions shows mutagenesis near or at guanine, consistent with these compounds' preferences to form guanosine adducts. Presence of other mutational signatures suggest additional mutagenesis probably due to complex effects of BPA and SO on diverse cellular processes. Analyzing data for 19 cancer cohorts, we find that tumors of digestive and urinary organs show relatively high similarity in mutational profiles, and the burden of such mutations increases with age. Even within the same cancer type, proportions of corresponding mutational patterns vary among the cohorts from different countries, as does the amount of microplastic waste in ocean waters. BPA and SO are relatively mild mutagens, and other environmental agents can also potentially generate similar, complex mutational patterns in cancer genomes. Nonetheless, our findings call for systematic evaluation of public health consequences of microplastic exposure worldwide.
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Affiliation(s)
- Xiaoju Hu
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Antara Biswas
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Anchal Sharma
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Halle Sarkodie
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Ivy Tran
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Indrani Pal
- The Earth Institute, Columbia University, NY 10025, USA
| | - Subhajyoti De
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
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15
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Testosterone exposure in prenatal life disrupts epithelial nuclear morphology, smooth muscle layer pattern, and FGF10 and Shh expression in prostate. Life Sci 2021; 271:119198. [PMID: 33577857 DOI: 10.1016/j.lfs.2021.119198] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/30/2021] [Accepted: 02/04/2021] [Indexed: 01/03/2023]
Abstract
The aim of this study was to evaluate whether high levels of exogenous testosterone (T) interfere in prostate morphogenesis. Pregnant females were exposed to subcutaneous injections of T cypionate (500 μg/animal) at gestational days 20 and 22. Male and female pups were euthanized at postnatal days 1 and 15. 15-day-old males had only fibroblast growth factor 10 (FGF10) immunostaining and nuclear form factor altered by the treatment, whereas treated females (T1 and T15) had almost all analyzed parameters changed. T1 females showed an increased anogenital distance (AGD), whereas T15 females had both AGD and ovary weight increased. T1 females had a higher number of epithelial buds emerging from the urethral and vaginal epithelium. We observed ectopic prostatic tissue surrounding the vagina in both T1 and T15 females. Moreover, the ectopic acini of T15 females showed delayed luminal formation, and there was a thickening of the periacinar smooth muscle layer (SML). Finally, FGF10 immunostaining intensity decreased in both T15 male and female prostates. Indeed, Sonic hedgehog (Shh) was upregulated in T15 female prostates, whereas no difference was observed between the male groups. These data showed that exogenous T changed the nuclear morphology of prostate epithelial cells in both males and females. Surprisingly, smooth muscle hyperplasia was also observed in the ectopic female prostate. Moreover, T downregulated FGF10 in both male and female prostates. Interestingly, the results suggest that FGF10 downregulation is mediated by the upregulation of Shh in females. In conclusion, exogenous T disrupts prostate development, particularly, affecting, the female.
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16
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Streifer M, Gore AC. Epigenetics, estrogenic endocrine-disrupting chemicals (EDCs), and the brain. ENDOCRINE-DISRUPTING CHEMICALS 2021; 92:73-99. [DOI: 10.1016/bs.apha.2021.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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17
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Cunha GR, Li Y, Mei C, Derpinghaus A, Baskin LS. Ontogeny of estrogen receptors in human male and female fetal reproductive tracts. Differentiation 2020; 118:107-131. [PMID: 33176961 DOI: 10.1016/j.diff.2020.10.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 12/27/2022]
Abstract
This paper reviews and provides new observations on the ontogeny of estrogen receptor alpha (ESR1) and estrogen receptor beta (ESR2) in developing human male and female internal and external genitalia. Included in this study are observations on the human fetal uterine tube, the uterotubal junction, uterus, cervix, vagina, penis and clitoris. We also summarize and report on the ontogeny of estrogen receptors in the human fetal prostate, prostatic urethra and epididymis. The ontogeny of ESR1 and ESR2, which spans from 8 to 21 weeks correlates well with the known "window of susceptibility" (7-15 weeks) for diethylstilbestrol (DES)-induced malformations of the human female reproductive tract as determined through examination of DES daughters exposed in utero to this potent estrogen. Our fairly complete mapping of the ontogeny of ESR1 and ESR2 in developing human male and female internal and external genitalia provides a mechanistic framework for further investigation of the role of estrogen in normal development and of abnormalities elicited by exogenous estrogens.
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Affiliation(s)
- Gerald R Cunha
- Department of Urology, University of California, 400 Parnassus Avenue, San Francisco, CA, 94143, USA.
| | - Yi Li
- Department of Urology, University of California, 400 Parnassus Avenue, San Francisco, CA, 94143, USA
| | - Cao Mei
- Department of Urology, University of California, 400 Parnassus Avenue, San Francisco, CA, 94143, USA
| | - Amber Derpinghaus
- Department of Urology, University of California, 400 Parnassus Avenue, San Francisco, CA, 94143, USA
| | - Laurence S Baskin
- Department of Urology, University of California, 400 Parnassus Avenue, San Francisco, CA, 94143, USA
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18
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Ramos JG, de Assis Silva JP, Manso LA, Rodrigues GA, Taboga SR, de Carvalho HF, dos Santos FCA, Biancardi MF. Developmental changes induced by exogenous testosterone during early phases of prostate organogenesis. Exp Mol Pathol 2020; 115:104473. [DOI: 10.1016/j.yexmp.2020.104473] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/18/2020] [Accepted: 05/21/2020] [Indexed: 01/07/2023]
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19
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da Silva Lima D, da Silva Gomes L, de Sousa Figueredo E, de Godoi MM, Silva EM, da Silva Neri HF, Taboga SR, Biancardi MF, Ghedini PC, Dos Santos FCA. Aluminum exposure promotes histopathological and pro-oxidant damage to the prostate and gonads of male and female adult gerbils. Exp Mol Pathol 2020; 116:104486. [PMID: 32585149 DOI: 10.1016/j.yexmp.2020.104486] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 05/21/2020] [Accepted: 06/18/2020] [Indexed: 12/19/2022]
Abstract
Since the industrial revolution, all living beings have become susceptible to numerous sources of aluminum (Al) exposure. In addition to causing proven toxicity in many organs and systems, Al can also have estrogenic activity when absorbed by the body. The reproductive organs are commonly affected by environmental pollutants with estrogenic activity, but little is known about the effects of Al on the prostate and gonads. Therefore, the aim of this study was to evaluate the effects of subchronic Al exposure on the prostate and gonads of male and female adult gerbils. After 30 days of oral exposure to aluminum chloride (10 mg/kg/day), the animals were euthanized and the organs processed for cytochemical, ultrastructural, and biochemical assays. Ventral male prostates exposed to Al became hyperplastic and showed signs of cell aging. In addition, the male prostate showed decreased catalase (CAT) and superoxide dismutase (SOD) activity. The female prostate was structurally more affected than the ventral male prostate, since it presented hyperplasia and punctual foci of inflammation and prostatic intraepithelial neoplasia. However, CAT and SOD activities did not change in this gland. In the testis, Al promoted immature germ cell detachment and degeneration, as well as reduced CAT activity. In the ovaries, Al caused reduction in folliculogenesis and decreased SOD activity. Together, these results indicate that Al is toxic to the prostate and gonads of adult gerbils and that continuous exposure to this metal can impair the fertility of individuals of both sexes.
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Affiliation(s)
- Danilo da Silva Lima
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Liana da Silva Gomes
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Esther de Sousa Figueredo
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Murion Monteiro de Godoi
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Edvaldo Mendes Silva
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Hiasmin Franciely da Silva Neri
- Department of Pharmacology, Laboratory of Molecular and Biochemistry Pharmacology, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Sebastião Roberto Taboga
- Department of Biology, Laboratory of Microscopy and Microanalysis, State University of São Paulo - UNESP, Rua Cristóvão Colombo, 2265, São José do Rio Preto, São Paulo 15054000, Brazil
| | - Manoel Francisco Biancardi
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Paulo César Ghedini
- Department of Pharmacology, Laboratory of Molecular and Biochemistry Pharmacology, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil
| | - Fernanda Cristina Alcantara Dos Santos
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás 74001970, Brazil.
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20
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Vandenberg LN, Prins GS, Patisaul HB, Zoeller RT. The Use and Misuse of Historical Controls in Regulatory Toxicology: Lessons from the CLARITY-BPA Study. Endocrinology 2020; 161:5613539. [PMID: 31690949 PMCID: PMC7182062 DOI: 10.1210/endocr/bqz014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 11/04/2019] [Indexed: 12/14/2022]
Abstract
For many endocrine-disrupting chemicals (EDCs) including Bisphenol A (BPA), animal studies show that environmentally relevant exposures cause harm; human studies are consistent with these findings. Yet, regulatory agencies charged with protecting public health continue to conclude that human exposures to these EDCs pose no risk. One reason for the disconnect between the scientific consensus on EDCs in the endocrinology community and the failure to act in the regulatory community is the dependence of the latter on so-called "guideline studies" to evaluate hazards, and the inability to incorporate independent scientific studies in risk assessment. The Consortium Linking Academic and Regulatory Insights on Toxicity (CLARITY) study was intended to bridge this gap, combining a "guideline" study with independent hypothesis-driven studies designed to be more appropriate to evaluate EDCs. Here we examined an aspect of "guideline" studies, the use of so-called "historical controls," which are essentially control data borrowed from prior studies to aid in the interpretation of current findings. The US Food and Drug Administration authors used historical controls to question the plausibility of statistically significant BPA-related effects in the CLARITY study. We examined the use of historical controls on 5 outcomes in the CLARITY "guideline" study: mammary neoplasms, pituitary neoplasms, kidney nephropathy, prostate inflammation and adenomas, and body weight. Using US Food and Drug Administration-proposed historical control data, our evaluation revealed that endpoints used in "guideline" studies are not as reproducible as previously held. Combined with other data comparing the effects of ethinyl estradiol in 2 "guideline" studies including CLARITY-BPA, we conclude that near-exclusive reliance on "guideline" studies can result in scientifically invalid conclusions.
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Affiliation(s)
- Laura N Vandenberg
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts–Amherst, Amherst, Massachusetts
- Correspondence: Laura N. Vandenberg, PhD, Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts–Amherst, 171C Goessmann, 686 North Pleasant Street, Amherst, Massachusetts 01003. E-mail:
| | - Gail S Prins
- Department of Urology, School of Medicine; Division of Epidemiology & Biostatistics, School of Public Health University of Illinois at Chicago, Chicago, Illinois
| | - Heather B Patisaul
- Center for Human Health and the Environment, Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina
| | - R Thomas Zoeller
- Department of Biology, University of Massachusetts–Amherst, Amherst, Massachusetts
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21
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Cariati F, Carbone L, Conforti A, Bagnulo F, Peluso SR, Carotenuto C, Buonfantino C, Alviggi E, Alviggi C, Strina I. Bisphenol A-Induced Epigenetic Changes and Its Effects on the Male Reproductive System. Front Endocrinol (Lausanne) 2020; 11:453. [PMID: 32849263 PMCID: PMC7406566 DOI: 10.3389/fendo.2020.00453] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 06/09/2020] [Indexed: 01/14/2023] Open
Abstract
Bisphenol A (BPA) is a widespread chemical agent which can exert detrimental effects on the male reproductive system. Exposure to BPA has been shown to induce several epigenetic modifications in both animal and human cells. Specifically, BPA could not only modify the methylation pattern of multiple genes encoding proteins related to reproductive physiology but also directly influence the genes responsible for DNA methylation. BPA effects include hormonal alterations, microscopic and macroscopic alteration of male reproductive organs, and inheritable epigenetic changes involving human reproduction. BPA exposure was also linked to prostate cancer. This review aims to show the current scenario of BPA-induced epigenetic changes and its effects on the male reproductive system. Possible strategies to counter the toxic effect of BPA were also addressed.
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Affiliation(s)
- Federica Cariati
- CEINGE-Biotecnologie Avanzate s.c.a.r.l., Naples, Italy
- Fertility Unit, Maternal-Child Department, AOU Policlinico Federico II, Naples, Italy
- *Correspondence: Federica Cariati
| | - Luigi Carbone
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, Federico II University, Naples, Italy
| | - Alessandro Conforti
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, Federico II University, Naples, Italy
| | - Francesca Bagnulo
- Fertility Unit, Maternal-Child Department, AOU Policlinico Federico II, Naples, Italy
| | | | - Consolata Carotenuto
- Molecular Medicine and Medical Biotechnology Department, Federico II University, Naples, Italy
| | - Cira Buonfantino
- Department of Public Health, Federico II University, Naples, Italy
| | - Erminia Alviggi
- GENERA Centers for Reproductive Medicine, Clinica Ruesch, Naples, Italy
| | - Carlo Alviggi
- Fertility Unit, Maternal-Child Department, AOU Policlinico Federico II, Naples, Italy
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, Federico II University, Naples, Italy
- Endocrinology and Experimental Oncology Institute (IEOS), National Research Council, Naples, Italy
| | - Ida Strina
- Fertility Unit, Maternal-Child Department, AOU Policlinico Federico II, Naples, Italy
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, Federico II University, Naples, Italy
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22
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Fatma Karaman E, Caglayan M, Sancar-Bas S, Ozal-Coskun C, Arda-Pirincci P, Ozden S. Global and region-specific post-transcriptional and post-translational modifications of bisphenol A in human prostate cancer cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 255:113318. [PMID: 31610501 DOI: 10.1016/j.envpol.2019.113318] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/10/2019] [Accepted: 09/27/2019] [Indexed: 06/10/2023]
Abstract
Bisphenol A (BPA), as synthetic monomer used in the production of polycarbonate plastic and epoxy resins, has endocrine disruptor properties and high risk on human health. Epigenetic alterations could act an important role in BPA-induced toxicity, but its mechanism has not been fully understood. We investigated the effects of BPA on gene expression of chromatin modifying enzymes, promoter methylation of tumor suppressor genes and histone modifications in human prostate carcinoma cells (PC-3). IC50 value of BPA was determined as 217 and 190 μM in PC-3 cells by MTT and NRU tests, respectively. We revealed an increase in global levels of 5-methylcytocine and 5-hydroxymethylcytocine at 10 μM of BPA for 96 h. We observed a significant increase on promoter DNA methylation and decrease on gene expression of p16 gene while no change was observed for Cyclin D2 and Rassf1. Significant changes were observed in global histone modifications (H3K9ac, H3K9me3, H3K27me3, and H4K20me3) in PC-3 cells. According to these results, we investigated wide-range epigenetic modifications using PCR arrays. After 96 h BPA exposure, chromatin modifying enzymes including KDM5B and NSD1 were significantly downregulated. Also, promoter methylation of tumor suppressor genes including BCR, GSTP1, LOX, MGMT, NEUROG1, PDLIM4, PTGS2, PYCARD, TIMP3, TSC2 and ZMYDN10 altered significantly. ChIP results showed that H3K9ac, H3K9me3 and H3K27me3 modifications on p16 gene showed significant increases after 1 and 10 μM of BPA exposure. In conclusion, epigenetic signatures such as DNA methylation and histone modifications could be proposed as molecular biomarkers of BPA-induced prostate cancer progression.
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Affiliation(s)
- Ecem Fatma Karaman
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, 34116, Beyazit, Istanbul, Turkey
| | - Mine Caglayan
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, 34116, Beyazit, Istanbul, Turkey
| | - Serap Sancar-Bas
- Department of Biology, Faculty of Science, Istanbul University, 34134, Vezneciler, Istanbul, Turkey
| | - Cansu Ozal-Coskun
- Section of Biology, Institute of Graduate Studies in Sciences, Istanbul University, 34134, Vezneciler, Istanbul, Turkey
| | - Pelin Arda-Pirincci
- Department of Biology, Faculty of Science, Istanbul University, 34134, Vezneciler, Istanbul, Turkey
| | - Sibel Ozden
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, 34116, Beyazit, Istanbul, Turkey.
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23
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Renaud L, Huff M, da Silveira WA, Angert M, Haas M, Hardiman G. Genome-Wide Analysis of Low Dose Bisphenol-A (BPA) Exposure in Human Prostate Cells. Curr Genomics 2019; 20:260-274. [PMID: 32030086 PMCID: PMC6983955 DOI: 10.2174/1389202920666190603123040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 05/23/2019] [Accepted: 05/24/2019] [Indexed: 02/07/2023] Open
Abstract
Endocrine disrupting compounds (EDCs) have the potential to cause adverse effects on wild-life and human health. Two important EDCs are the synthetic estrogen 17α-ethynylestradiol (EE2) and bisphenol-A (BPA) both of which are xenoestrogens (XEs) as they bind the estrogen receptor and dis-rupt estrogen physiology in mammals and other vertebrates. In the recent years the influence of XEs on oncogenes, specifically in relation to breast and prostate cancer has been the subject of considerable study.
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Affiliation(s)
- Ludivine Renaud
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Matthew Huff
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Willian A da Silveira
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Mila Angert
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Martin Haas
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
| | - Gary Hardiman
- 1Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; 2MUSC Bioinformatics, Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, USA; 3MS in Biomedical Sciences Program, Medical University of South Carolina, Charleston, SC, USA; 4School of Biological Sciences and Institute for Global Food Security, Queens University Belfast, BelfastBT9 5AG, UK; 5Department of Medicine, University of California, La Jolla, CA, USA; 6Moores UCSD Cancer Center, University of California San Diego, La Jolla, California, CA, USA; 7Division of Biological Sciences, University of California San Diego, La Jolla, California, CA, USA
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24
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Madia F, Worth A, Whelan M, Corvi R. Carcinogenicity assessment: Addressing the challenges of cancer and chemicals in the environment. ENVIRONMENT INTERNATIONAL 2019; 128:417-429. [PMID: 31078876 PMCID: PMC6520474 DOI: 10.1016/j.envint.2019.04.067] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 03/10/2019] [Accepted: 04/27/2019] [Indexed: 05/10/2023]
Abstract
Cancer is a key public health concern, being the second leading cause of worldwide morbidity and mortality after cardiovascular diseases. At the global level, cancer prevalence, incidence and mortality rates are increasing. These trends are not fully explained by a growing and ageing population: with marked regional and socioeconomic disparities, lifestyle factors, the resources dedicated to preventive medicine, and the occupational and environmental control of hazardous chemicals all playing a role. While it is difficult to establish the contribution of chemical exposure to the societal burden of cancer, a number of measures can be taken to better assess the carcinogenic properties of chemicals and manage their risks. This paper discusses how these measures can be informed not only by the traditional data streams of regulatory toxicology, but also by using new toxicological assessment methods, along with indicators of public health status based on biomonitoring. These diverse evidence streams have the potential to form the basis of an integrated and more effective approach to cancer prevention.
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Affiliation(s)
- Federica Madia
- European Commission, Joint Research Centre (JRC), Ispra, Italy.
| | - Andrew Worth
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Maurice Whelan
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Raffaella Corvi
- European Commission, Joint Research Centre (JRC), Ispra, Italy
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25
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Kolla S, McSweeney DB, Pokharel A, Vandenberg LN. Bisphenol S alters development of the male mouse mammary gland and sensitizes it to a peripubertal estrogen challenge. Toxicology 2019; 424:152234. [PMID: 31201878 DOI: 10.1016/j.tox.2019.06.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 05/22/2019] [Accepted: 06/11/2019] [Indexed: 12/23/2022]
Abstract
Humans are exposed to estrogenic chemicals in food and food packaging, personal care products, and other industrial and consumer goods. Bisphenol A (BPA), a well-studied xenoestrogen, is known to alter development of estrogen-sensitive organs including the brain, reproductive tract, and mammary gland. Bisphenol S (BPS; 4,4'-sulfonyldiphenol), which has a similar chemical structure to BPA, is also used in many consumer products, but its effects on estrogen-sensitive organs in mammals has not been thoroughly examined. Here, we quantified the effects of perinatal exposures to BPS on the male mouse mammary gland. In our first study, pregnant CD-1 mice were orally exposed to BPS (2 or 200 μg/kg/day) starting on pregnancy day 9 through lactation day 20, and male mammary glands were evaluated on embryonic day 16, prior to puberty, and in early adulthood. We observed modest changes in tissue organization in the fetal gland, and significant increases in growth of the gland induced by developmental BPS exposure in adulthood. In our second study, pregnant CD-1 mice were orally exposed to BPS (2, 200 or 2000 μg/kg/day) starting on pregnancy day 9 through lactational day 2. After weaning, the male pups were administered either oil (vehicle) or an estrogen challenge (1 μg ethinyl estradiol/kg/day) for ten days starting prior to puberty. After the 10-day estrogen challenge, we examined hormone-sensitive outcomes including anogenital index (AGI), weight of the seminal vesicles, and morphological parameters of the mammary gland. Although AGI and seminal vesicle weight were not affected by BPS, we observed dose-specific effects on the response of male mammary glands to the peripubertal estrogen challenge. Because male mammary glands are structurally less developed compared to females, they may provide a simple model tissue to evaluate the effects of putative xenoestrogens.
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Affiliation(s)
- SriDurgaDevi Kolla
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Danny B McSweeney
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Aastha Pokharel
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, MA, 01003, USA
| | - Laura N Vandenberg
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, MA, 01003, USA.
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26
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Aluminum disrupts the prenatal development of the male and female gerbil prostate (Meriones unguiculatus). Exp Mol Pathol 2019; 107:32-42. [DOI: 10.1016/j.yexmp.2019.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 12/13/2018] [Accepted: 01/15/2019] [Indexed: 02/02/2023]
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27
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Lieshchova MA, Brygadyrenko VV, Tishkina NM, Gavrilin PM, Bohomaz AA. Impact of polyvinyl chloride, polystyrene, and polyethylene on the organism of mice. REGULATORY MECHANISMS IN BIOSYSTEMS 2019. [DOI: 10.15421/021908] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Goods of plastic, due to their durability, universality and economical properties are broadly used in all spheres of life. On the whole, polymers are inert and nontoxic, but in the process of their production, various additives are used, which on contact or introduction into an organism has a negative effect on it. In our study, we determined the impact of some types of plastic (polyvinyl chloride, polysterene and polyethylene) on the organism of laboratory animals according to changes in their body weight, indices of mass of the internal organs, and blood parameters. For the experiment, we formed four groups of white male mice at the age of 3 weeks and average body weight of 50 g. For each group, we used different litter. For group I, the litter was sawdust; and for the other groups we added plastic products in different volumes to the sawdust; for group II finely cut polyvinyl chloride, for group III cut polyethylene, and for group IV granules of polystyrene. Every 3 days, we determined the body weight of the animals, and 32 days later we determined mass of the organs, clinical and biochemical parameters of the blood. Addition of polyvinyl chloride, polyethylene, and polystyrene into the substrate for mice did not have a significant effect on tempi of growth of body weight, and also relative mass of heart and lungs. Polyvinyl chloride and polystyrene have an immune-suppressive effect, and polyvinyl chloride affects both central and peripheral organs, and polystyrene mostly harms the peripheral organs. All used types of plastic cause leukocytopenia, following which neutrophilia of band neutrophils and monocytosis takes place as a result of damage to the biological barriers. We determined the systemic toxic effect of the studied types of plastic on the internal organs, which manifested in increase in their mass (liver, kidneys), steep increase in the activity of liver enzymes (AST, ALT), simultaneous decrease in activity of alkaline phosphatase and content of cholysterol and glucose in the blood serum of the mice. Also polyvinyl chlorine, polyethylene and polystyrene cause degeneration of the epithelium of the uriniferous tubule, which is manifested in reduction of globulins and creatinine in the blood of animals from the experimental groups following increase in relative mass of the kidneys. The results of our research allow us to state that different types of plastic can cause toxic effect on animals, as well as people who are in frequent contact with them.
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28
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Oliveira EC, Leonelli C, Pereira OCM, Bittencourt JC, Carvalho HF. Estrogen imprinting compromises male sexual behavior and affects the number of androgen-receptor-expressing hypothalamic neurons†. Biol Reprod 2019; 100:737-744. [PMID: 30295750 DOI: 10.1093/biolre/ioy219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 09/09/2018] [Accepted: 10/04/2018] [Indexed: 11/14/2022] Open
Abstract
Neonatal exposure to high-dose 17β-estradiol (E2) affects the morphology and physiology of sex and accessory sex organs in the long term. In this study, we examined the effects of E2 imprinting on male sexual behavior, fertility, and the number of androgen receptor (AR)-expressing cells in the hypothalamus. E2-treated males showed copulatory behavior represented by mounts and/or intromissions, demonstrating the preservation of aspects of male behavior. They had slightly increased latency for first intromission and a reduced number of ejaculations, associated with a 50% reduction in the fertility index. AR expression in the hypothalamus was assessed by RT-PCR, western blotting, and immunohistochemistry. Treated rats had a significantly lower ventral prostate (VP) weight, demonstrating the efficacy of the treatment. The AR mRNA and protein content in the hypothalamus of E2-treated animals was reduced to the levels of females. AR-expressing cell counts in the ventromedial, anterior medial preoptic, paraventricular nuclei, and preoptic areas were different from control males, and similar to those of females. In conclusion, E2 imprinting resulted not only in ill-developed sexual organs, but also affected sexual behavior, resulting in a female-type hypothalamus, at least with respect to the abundance of AR mRNA and protein and the number of AR-expressing cells in important regions/tracts.
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Affiliation(s)
- Elusa Cristina Oliveira
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas, Campinas, São Paulo, Brazil
| | - Carina Leonelli
- Department of Pharmacology, Institute of Biosciences, São Paulo State University, São Paulo, Brazil
| | - Oduvaldo C M Pereira
- Department of Pharmacology, Institute of Biosciences, São Paulo State University, São Paulo, Brazil
| | - Jackson C Bittencourt
- Department of Anatomy, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Hernandes F Carvalho
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas, Campinas, São Paulo, Brazil
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29
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Lymperi S, Giwercman A. Endocrine disruptors and testicular function. Metabolism 2018; 86:79-90. [PMID: 29605435 DOI: 10.1016/j.metabol.2018.03.022] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 03/19/2018] [Accepted: 03/22/2018] [Indexed: 02/07/2023]
Abstract
Despite concerns of the scientific community regarding the adverse effects of human exposure to exogenous man-made chemical substances or mixtures that interfere with normal hormonal balance, the so called "endocrine disruptors (EDs)", their production has been increased during the last few decades. EDs' extensive use has been implicated in the increasing incidence of male reproductive disorders including poor semen quality, testicular malignancies and congenital developmental defects such as hypospadias and cryptorchidism. Several animal studies have demonstrated that exposure to EDs during fetal, neonatal and adult life has deleterious consequences on male reproductive system; however, the evidence on humans remains ambiguous. The complexity of their mode of action, the differential effect according to the developmental stage that exposure occurs, the latency from exposure and the influence of the genetic background in the manifestation of their toxic effects are all responsible factors for the contradictory outcomes. Furthermore, the heterogeneity in the published human studies has hampered agreement in the field. Interventional studies to establish causality would be desirable, but unfortunately the nature of the field excludes this possibility. Therefore, future studies based on standardized guidelines are necessary, in order to estimate human health risks and implement policies to limit public exposure.
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Affiliation(s)
- Stefania Lymperi
- Unit of Reproductive Endocrinology, First Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Thessaloniki, Greece.
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30
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Estrogens and prostate cancer. Prostate Cancer Prostatic Dis 2018; 22:185-194. [PMID: 30131606 DOI: 10.1038/s41391-018-0081-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 06/30/2018] [Accepted: 07/13/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Hormonal influences such as androgens and estrogens are known contributors in the development and progression of prostate cancer (CaP). While much of the research to the hormonal nature of CaP has focused on androgens, estrogens also have critical roles in CaP development, physiology as well as a potential therapeutic intervention. METHODS In this review, we provide a critical literature review of the current basic science and clinical evidence for the interaction between estrogens and CaP. RESULTS Estrogenic influences in CaP include synthetic, endogenous, fungi and plant-derived compounds, and represent a family of sex hormones, which cross hydrophobic cell membranes and bind to membrane-associated receptors and estrogen receptors that localize to the nucleus triggering changes in gene expression in various organ systems. CONCLUSIONS Estrogens represent a under-recognized contributor in CaP development and progression. Further research in this topic may provide opportunities for identification of environmental influencers as well as providing novel therapeutic targets in the treatment of CaP.
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31
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Environmental Carcinogenesis and Transgenerational Transmission of Carcinogenic Risk: From Genetics to Epigenetics. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15081791. [PMID: 30127322 PMCID: PMC6121489 DOI: 10.3390/ijerph15081791] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 08/09/2018] [Indexed: 12/12/2022]
Abstract
The dominant pathogenic model, somatic mutation theory (SMT), considers carcinogenesis as a ‘genetic accident’ due to the accumulation of ‘stochastic’ DNA mutations. This model was proposed and accepted by the scientific community when cancer mainly affected the elderly, but it does not explain the epidemiological observation of the continuous increase in cancer incidence among children and young adults. Somatic mutation theory has been proposed for a revision based on the emerging experimental evidence, as it does not fully address some issues that have proven to be crucial for carcinogenesis, namely: the inflammatory context of cancer; the key role played by the stroma, microenvironment, endothelial cells, activated macrophages, and surrounding tissues; and the distorted developmental course followed by the neoplastic tissue. Furthermore, SMT is often not able to consider either the existence of specific mutations resulting in a well-defined cancer type, or a clear relationship between mutations and tumor progression. Moreover, it does not explain the mechanism of action of the non-mutagenic and environmental carcinogens. In the last decade, cancer research has highlighted the prominent role of an altered regulation of gene expression, suggesting that cancer should be considered as a result of a polyclonal epigenetic disruption of stem/progenitor cells, mediated by tumour-inducing genes. The maternal and fetal exposure to a wide range of chemicals and environmental contaminants is raising the attention of the scientific community. Indeed, the most powerful procarcinogenic mechanisms of endocrine disruptors and other pollutants is linked to their potential to interfere epigenetically with the embryo-fetal programming of tissues and organs, altering the regulation of the genes involved in the cell cycle, cell proliferation, apoptosis, and other key signaling pathways. The embryo-fetal exposure to environmental, stressful, and proinflammatory triggers (first hit), seems to act as a ‘disease primer’, making fetal cells and tissues more susceptible to the subsequent environmental exposures (second hit), triggering the carcinogenic pathways. Furthermore, even at the molecular level, in carcinogenesis, ‘epigenetics precedes genetics’ as global DNA hypomethylation, and the hypermethylation of tumor suppressor genes are common both in cancerous and in precancerous cells, and generally precede mutations. These epigenetic models may better explain the increase of cancer and chronic/degenerative diseases in the last decades and could be useful to adopt appropriate primary prevention measures, essentially based on the reduction of maternal-fetal and child exposure to several procarcinogenic agents and factors dispersed in the environment and in the food-chains, as recently suggested by the World Health Organization.
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32
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Street ME, Angelini S, Bernasconi S, Burgio E, Cassio A, Catellani C, Cirillo F, Deodati A, Fabbrizi E, Fanos V, Gargano G, Grossi E, Iughetti L, Lazzeroni P, Mantovani A, Migliore L, Palanza P, Panzica G, Papini AM, Parmigiani S, Predieri B, Sartori C, Tridenti G, Amarri S. Current Knowledge on Endocrine Disrupting Chemicals (EDCs) from Animal Biology to Humans, from Pregnancy to Adulthood: Highlights from a National Italian Meeting. Int J Mol Sci 2018; 19:E1647. [PMID: 29865233 PMCID: PMC6032228 DOI: 10.3390/ijms19061647] [Citation(s) in RCA: 138] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/23/2018] [Accepted: 05/31/2018] [Indexed: 02/07/2023] Open
Abstract
Wildlife has often presented and suggested the effects of endocrine disrupting chemicals (EDCs). Animal studies have given us an important opportunity to understand the mechanisms of action of many chemicals on the endocrine system and on neurodevelopment and behaviour, and to evaluate the effects of doses, time and duration of exposure. Although results are sometimes conflicting because of confounding factors, epidemiological studies in humans suggest effects of EDCs on prenatal growth, thyroid function, glucose metabolism and obesity, puberty, fertility, and on carcinogenesis mainly through epigenetic mechanisms. This manuscript reviews the reports of a multidisciplinary national meeting on this topic.
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Affiliation(s)
- Maria Elisabeth Street
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Sabrina Angelini
- Department of Pharmacy and Biotechnology, University of Bologna, Via Irnerio 48, 40126 Bologna, Italy.
| | - Sergio Bernasconi
- Former Department of Medicine, University of Parma, Via A. Catalani 10, 43123 Parma, Italy.
| | - Ernesto Burgio
- ECERI European Cancer and Environment Research Institute, Square de Meeus, 38-40, 1000 Bruxelles, Belgium.
| | - Alessandra Cassio
- Pediatric Endocrinology Programme, Pediatrics Unit, Department of Woman, Child Health and Urologic Diseases, AOU S. Orsola-Malpighi, Via Massarenti, 11, 40138 Bologna, Italy.
| | - Cecilia Catellani
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Francesca Cirillo
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Annalisa Deodati
- Department of Pediatrics (DPUO), Bambino Gesù Children's Hospital, Tor Vergata University, Piazza S. Onofrio 4, 00165 Rome, Italy.
| | - Enrica Fabbrizi
- Department of Pediatrics and Neonatology, Augusto Murri Hospital, Via Augusto Murri, 17, 63900 Fermo, Itlay.
| | - Vassilios Fanos
- Neonatal Intensive Care Unit, Neonatal Pathology and Neonatal Section, AOU and University of Cagliari, via Ospedale, 54, 09124 Cagliari, Italy.
| | - Giancarlo Gargano
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Enzo Grossi
- Villa Santa Maria Institute, Neuropsychiatric Rehabilitation Center, Via IV Novembre 15, 22038 Tavernerio (Como), Italy.
| | - Lorenzo Iughetti
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, Pediatrics Unit, University of Modena and Reggio Emilia, via del Pozzo, 71, 41124 Modena, Italy.
| | - Pietro Lazzeroni
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Alberto Mantovani
- Department of Veterinary Public Health and Food Safety, Food and Veterinary Toxicology Unit ISS⁻National Institute of Health, Viale Regina Elena 299, 00161 Rome, Italy.
| | - Lucia Migliore
- Department of Traslational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma, 55, 56123 Pisa, Italy.
| | - Paola Palanza
- Unit of Neuroscience, Department of Medicine and Surgery, University of Parma, Via Gramsci, 14, 43126 Parma, Italy.
| | - Giancarlo Panzica
- Laboratory of Neuroendocrinology, Department of Neuroscience Rita Levi Montalcini, University of Turin, Via Cherasco 15, 10126 Turin, Italy.
- Neuroscience Institute Cavalieri-Ottolenghi (NICO), Regione Gonzole, 10, 10043 Orbassano (Turin), Italy.
| | - Anna Maria Papini
- Department of Chemistry 'Ugo Schiff', University of Florence, Via della Lastruccia, 3-13, 50019 Sesto Fiorentino, Florence, Italy.
| | - Stefano Parmigiani
- Unit of Evolutionary and Functional Biology-Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA)-University of Parma⁻11/a, 43124 Parma, Italy.
| | - Barbara Predieri
- Department of Medical and Surgical Sciences of the Mother, Children and Adults, Pediatrics Unit, University of Modena and Reggio Emilia, via del Pozzo, 71, 41124 Modena, Italy.
| | - Chiara Sartori
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Gabriele Tridenti
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
| | - Sergio Amarri
- Department of Obstetrics, Gynaecology and Paediatrics, Azienda USL-IRCCS, Viale Risorgimento 80, 42123 Reggio Emilia, Italy.
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Castro B, Sánchez P, Torres JM, Ortega E. Effects of perinatal exposure to bisphenol A on the intraprostatic levels of aromatase and 5α-reductase isozymes in juvenile rats. Food Chem Toxicol 2018; 115:20-25. [PMID: 29501275 DOI: 10.1016/j.fct.2018.02.060] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/12/2018] [Accepted: 02/27/2018] [Indexed: 10/17/2022]
Abstract
The impact of bisphenol A (BPA) on the prostate gland has taken center stage, with a special focus placed on understanding how BPA affects prostate physiopathology. In this study, we evaluated the ability of lower doses of BPA to induce alterations in 5α-R isozymes and aromatase, in the prostate of juvenile rats exposed during developmental stage. Gestating Wistar rats were treated s.c with either vehicle or BPA (2.4 and 10 μg/kg b.w./day) from gestational day 12 to parturition. Then, male pups were s.c treated from postnatal day 1 through day 21, when they were euthanized and qRT-PCR, western blot and hormone levels determination were performed. We found that BPA at dose of 2.4 and 10 μg/kg b.w./day significantly decreased the mRNA and protein levels of 5α-R2. However, neither 5α-R1 nor 5α-R3 was affected by this exposure. BPA at dose of 10 μg/kg b.w./day significantly increased the mRNA and protein levels of aromatase. BPA also decreased plasma levels of both testosterone and dihydrotestosterone and increased estradiol. These data lend support that low-dose BPA during fetal and neonatal prostate development interfere with in situ estrogen and androgen production in the prostate gland of juvenile rats through the enzymes aromatase and 5α-Reductase.
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Affiliation(s)
- Beatriz Castro
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Granada, 11 Avenue of Research, 18016, Granada, Spain
| | - Pilar Sánchez
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Granada, 11 Avenue of Research, 18016, Granada, Spain
| | - Jesús M Torres
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Granada, 11 Avenue of Research, 18016, Granada, Spain; Faculty of Medicine, Institute of Neurosciences, University of Granada, 11 Avenue of Research, 18016, Granada, Spain.
| | - Esperanza Ortega
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Granada, 11 Avenue of Research, 18016, Granada, Spain; Faculty of Medicine, Institute of Neurosciences, University of Granada, 11 Avenue of Research, 18016, Granada, Spain.
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Facina CH, Campos SGP, Gonçalves BF, Góes RM, Vilamaior PSL, Taboga SR. Long-term oral exposure to safe dose of bisphenol A in association with high-fat diet stimulate the prostatic lesions in a rodent model for prostate cancer. Prostate 2018; 78:152-163. [PMID: 29148069 DOI: 10.1002/pros.23458] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 10/31/2017] [Indexed: 11/08/2022]
Abstract
BACKGROUND Studies have shown that exposure to environmental chemicals known as endocrine disruptors can cause permanent changes in genital organs, such as the prostate. Among these environmental chemicals stands out bisphenol A (BPA). Another factor associated with prostate changes is the consumption of a high-fat diet. Although the relationship between the consumption of a high-fat diet and an increased risk of prostate cancer is well established, the mechanisms that lead to the establishment of this disease are not completely understood, nor the simultaneous action of BPA and high-fat diet. METHODS Adult gerbils (100 days old) were divided in four groups (n = 6 per group): Control (C): animals that received a control diet and filtered water; Diet (D): animals that received a high-fat diet and filtered water; BPA: animals that received a control diet and BPA - 50 µg kg-1 day-1 in drinking water; BPA + Diet (BPA + D): animals that received a high-fat diet + BPA - 50 µg kg-1 day-1 in drinking water. After the experimental period (6 months), the dorsolateral and ventral prostate lobes were removed, and analyzed by several methods. RESULTS Histological analysis indicated premalignant and malignant lesions in both prostatic lobes. However, animals of the D, BPA, and BPA + D groups showed a higher incidence and larger number of prostatic lesions; inflammatory foci were also common. Markers to assess prostate lesions, such as increased activation of the DNA repair system (PCNA-positive cells), androgen receptor (AR), and number of basal cells, confirmed the histology. However, serum levels of testosterone did not change under the experimental conditions. CONCLUSIONS The results indicated that the methodology used was effective in generating metabolic changes, which directly compromised prostatic homeostasis. Diet and BPA appear to modulate the activation of the AR pathway and thereby optimize tumor establishment in the gerbil prostate.
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Affiliation(s)
- Camila H Facina
- Departamento de Biologia, Universidade Estadual Paulista - UNESP, Instituto de Biociências, Letras e Ciências Exatas - IBILCE - Laboratório de Microscopia e Microanálise, São José do Rio Preto, São Paulo, Brazil
| | - Silvana G P Campos
- Departamento de Biologia, Universidade Estadual Paulista - UNESP, Instituto de Biociências, Letras e Ciências Exatas - IBILCE - Laboratório de Microscopia e Microanálise, São José do Rio Preto, São Paulo, Brazil
| | - Bianca F Gonçalves
- Departamento de Biologia, Universidade Estadual Paulista - UNESP, Instituto de Biociências, Letras e Ciências Exatas - IBILCE - Laboratório de Microscopia e Microanálise, São José do Rio Preto, São Paulo, Brazil
| | - Rejane M Góes
- Departamento de Biologia, Universidade Estadual Paulista - UNESP, Instituto de Biociências, Letras e Ciências Exatas - IBILCE - Laboratório de Microscopia e Microanálise, São José do Rio Preto, São Paulo, Brazil
- Departamento de Biologia Estrutural e Funcional, Universidade Estadual de Campinas - UNICAMP, Instituto de Biologia - IB, Campinas, São Paulo, Brazil
| | - Patricia S L Vilamaior
- Departamento de Biologia, Universidade Estadual Paulista - UNESP, Instituto de Biociências, Letras e Ciências Exatas - IBILCE - Laboratório de Microscopia e Microanálise, São José do Rio Preto, São Paulo, Brazil
| | - Sebastião R Taboga
- Departamento de Biologia, Universidade Estadual Paulista - UNESP, Instituto de Biociências, Letras e Ciências Exatas - IBILCE - Laboratório de Microscopia e Microanálise, São José do Rio Preto, São Paulo, Brazil
- Departamento de Biologia Estrutural e Funcional, Universidade Estadual de Campinas - UNICAMP, Instituto de Biologia - IB, Campinas, São Paulo, Brazil
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Lee HS, Kang Y, Tae K, Bae GU, Park JY, Cho YH, Yang M. Proteomic Biomarkers for Bisphenol A-Early Exposure and Women's Thyroid Cancer. Cancer Res Treat 2018; 50:111-117. [PMID: 28279065 PMCID: PMC5784619 DOI: 10.4143/crt.2017.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 03/02/2017] [Indexed: 01/04/2023] Open
Abstract
PURPOSE For the target treatment and prevention of women's increased thyroid cancer, we focused on risks of environmental exposure to endocrine disrupting chemicals, particularly bisphenol A (BPA), and its high susceptible exposure-timing, particularly early exposure in lives. MATERIALS AND METHODS Female ICR mice were exposed to BPA in utero and in early life (15, 75, and 300 mg/L of drinking water via pregnant mice and lactation). We identified BPA-responsive proteins in mice thyroid by two-dimensional gel electrophoresis, image analyses, and electrospray ionization quadrupole time-of-flight mass spectrometry. We further analyzed expression of the BPA-responsive proteins in women thyroid cancer patients (n=28). RESULTS We found the altered 17 proteins in BPA dose-dependent manner among the thyroid tissues of offspring mice and identified nine proteins of them, including Anxa6, Atp5b, Hspa5, and Vcp, etc. In addition, we observed the positive association between blood BPA levels and mRNA expression of the ANXA6 and VCP not in normal but thyroid cancer tissues. CONCLUSION Our study provides ANXA6 and VCP as proteomic biomarkers for BPA-early life exposure and their potential for women's thyroid cancer.
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Affiliation(s)
- Ho-Sun Lee
- Department of Toxicology, Research Center for Cell Fate Control, College of Pharmacy, Sookmyung Women’s University, Seoul, Korea
| | - Yunkyeong Kang
- Department of Toxicology, Research Center for Cell Fate Control, College of Pharmacy, Sookmyung Women’s University, Seoul, Korea
| | - Kyung Tae
- Department of Otolaryngology, Hanyang University College of Medicine, Seoul, Korea
| | - Gyu-Un Bae
- Department of Anatomy and Pathology, Research Center for Cell Fate Control, College of Pharmacy, Sookmyung Women’s University, Seoul, Korea
| | - Jong Y. Park
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Yoon Hee Cho
- Department of Biomedical and Pharmaceutical Sciences, College of Health Professions and Biomedical Sciences, University of Montana, Missoula, MT, USA
| | - Mihi Yang
- Department of Toxicology, Research Center for Cell Fate Control, College of Pharmacy, Sookmyung Women’s University, Seoul, Korea
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Kim S, Mun GI, Choi E, Kim M, Jeong JS, Kang KW, Jee S, Lim KM, Lee YS. Submicromolar bisphenol A induces proliferation and DNA damage in human hepatocyte cell lines in vitro and in juvenile rats in vivo. Food Chem Toxicol 2017; 111:125-132. [PMID: 29128613 DOI: 10.1016/j.fct.2017.11.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 09/07/2017] [Accepted: 11/07/2017] [Indexed: 12/22/2022]
Abstract
An association between bisphenol A (BPA) exposure and hepatic tumors was suggested, but the employment of high-dose levels raises questions about its relevance to human health. Here, we demonstrate that submicromolar concentrations of BPA induce the proliferation and DNA damage in human hepatocyte cell lines. In HepG2 and NKNT-3, undifferentiated and differentiated hepatocyte cell lines, respectively, submicromolar BPA concentrations promoted the cell proliferation, as indicated by enhanced DNA synthesis and elevated expression of cell-cycle proteins. At concentrations higher than 10 μM, these effects disappeared, reflecting a non-monotonic dose-response relationship. Notably, histone H2AX was activated following exposure to BPA, which is a sensitive marker of DNA damage. Importantly, proliferative foci and DNA damage were also observed in liver tissue of rats orally exposed to BPA at 0.5 mg/kg for 90 days, from juvenile age (postnatal day 9) through adulthood. Reactive oxygen species appeared to play a role in the BPA-induced proliferation and DNA damage, as evidenced by a partial reversal of both processes upon pretreatment with an antioxidant, N-acetylcysteine. Collectively, these results demonstrate that submicromolar BPA concentrations induce the DNA damage and promote the cell proliferation in the liver, which may support its role as a risk factor for hepatocarcinogenicity.
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Affiliation(s)
- Seoyoung Kim
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Gil-Im Mun
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Eun Choi
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Minjeong Kim
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Ji Seong Jeong
- Developmental and Reproductive Toxicology Research Group, Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Keon Wook Kang
- Department of Pharmacy, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Sunha Jee
- Department of Epidemiology and Health Promotion and Institute for Health Promotion, Graduate School of Public Health, Yonsei University, Seoul 03722, Republic of Korea
| | - Kyung-Min Lim
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea.
| | - Yun-Sil Lee
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea.
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Cooke PS, Nanjappa MK, Ko C, Prins GS, Hess RA. Estrogens in Male Physiology. Physiol Rev 2017; 97:995-1043. [PMID: 28539434 PMCID: PMC6151497 DOI: 10.1152/physrev.00018.2016] [Citation(s) in RCA: 263] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 01/06/2017] [Accepted: 01/17/2017] [Indexed: 02/06/2023] Open
Abstract
Estrogens have historically been associated with female reproduction, but work over the last two decades established that estrogens and their main nuclear receptors (ESR1 and ESR2) and G protein-coupled estrogen receptor (GPER) also regulate male reproductive and nonreproductive organs. 17β-Estradiol (E2) is measureable in blood of men and males of other species, but in rete testis fluids, E2 reaches concentrations normally found only in females and in some species nanomolar concentrations of estrone sulfate are found in semen. Aromatase, which converts androgens to estrogens, is expressed in Leydig cells, seminiferous epithelium, and other male organs. Early studies showed E2 binding in numerous male tissues, and ESR1 and ESR2 each show unique distributions and actions in males. Exogenous estrogen treatment produced male reproductive pathologies in laboratory animals and men, especially during development, and studies with transgenic mice with compromised estrogen signaling demonstrated an E2 role in normal male physiology. Efferent ductules and epididymal functions are dependent on estrogen signaling through ESR1, whose loss impaired ion transport and water reabsorption, resulting in abnormal sperm. Loss of ESR1 or aromatase also produces effects on nonreproductive targets such as brain, adipose, skeletal muscle, bone, cardiovascular, and immune tissues. Expression of GPER is extensive in male tracts, suggesting a possible role for E2 signaling through this receptor in male reproduction. Recent evidence also indicates that membrane ESR1 has critical roles in male reproduction. Thus estrogens are important physiological regulators in males, and future studies may reveal additional roles for estrogen signaling in various target tissues.
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Affiliation(s)
- Paul S Cooke
- Department of Physiological Sciences, University of Florida, Gainesville, Florida; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois; Department of Urology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Manjunatha K Nanjappa
- Department of Physiological Sciences, University of Florida, Gainesville, Florida; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois; Department of Urology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - CheMyong Ko
- Department of Physiological Sciences, University of Florida, Gainesville, Florida; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois; Department of Urology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Gail S Prins
- Department of Physiological Sciences, University of Florida, Gainesville, Florida; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois; Department of Urology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Rex A Hess
- Department of Physiological Sciences, University of Florida, Gainesville, Florida; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois; Department of Urology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
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Park HJ, Bolton EC. RET-mediated glial cell line-derived neurotrophic factor signaling inhibits mouse prostate development. Development 2017; 144:2282-2293. [PMID: 28506996 DOI: 10.1242/dev.145086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 05/10/2017] [Indexed: 01/15/2023]
Abstract
In humans and rodents, the prostate gland develops from the embryonic urogenital sinus (UGS). The androgen receptor (AR) is thought to control the expression of morphogenetic genes in inductive UGS mesenchyme, which promotes proliferation and cytodifferentiation of the prostatic epithelium. However, the nature of the AR-regulated morphogenetic genes and the mechanisms whereby AR controls prostate development are not understood. Glial cell line-derived neurotrophic factor (GDNF) binds GDNF family receptor α1 (GFRα1) and signals through activation of RET tyrosine kinase. Gene disruption studies in mice have revealed essential roles for GDNF signaling in development; however, its role in prostate development is unexplored. Here, we establish novel roles of GDNF signaling in mouse prostate development. Using an organ culture system for prostate development and Ret mutant mice, we demonstrate that RET-mediated GDNF signaling in UGS increases proliferation of mesenchyme cells and suppresses androgen-induced proliferation and differentiation of prostate epithelial cells, inhibiting prostate development. We also identify Ar as a GDNF-repressed gene and Gdnf and Gfrα1 as androgen-repressed genes in UGS, thus establishing reciprocal regulatory crosstalk between AR and GDNF signaling in prostate development.
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Affiliation(s)
- Hyun-Jung Park
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Eric C Bolton
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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Lai KP, Li JW, Cheung A, Li R, Billah MB, Chan TF, Wong CKC. Transcriptome sequencing reveals prenatal PFOS exposure on liver disorders. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 223:416-425. [PMID: 28131474 DOI: 10.1016/j.envpol.2017.01.041] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 12/22/2016] [Accepted: 01/14/2017] [Indexed: 05/24/2023]
Abstract
Perfluorooctane sulfonate (PFOS), a hepatic toxicant and a potential hepatocarcinogen, is commonly used in industrial products. The widespread contamination of PFOS in human maternal and cord blood has raised concerns about its potential risks to the fetus. It is believed that adverse environmental exposure during the critical period of embryo development can have long-lasting consequences in later life. In this report, we used transcriptome sequencing, followed by bioinformatics analysis, to elucidate the potential hepatotoxic and hepatocarcinogenic effects of prenatal PFOS exposure in the fetus. Our results demonstrated that prenatal PFOS exposure could activate the synthesis and metabolism of fatty acids and lipids, leading to liver damage and interference with liver development in the fetus. In addition, a number of cancer-promoting signaling pathways, including Wnt/β-catenin, Rac, and TGF-β, were found to be activated in the fetal liver. More importantly, hepatic transaminase activity, including aspartate aminotransferase and alanine transaminase activity, was induced in the liver of mice offspring after prenatal PFOS exposure. For the first time, our results demonstrate that the hepatotoxic effects of prenatal exposure to PFOS may predispose to a long-term liver disorder in the offspring.
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Affiliation(s)
- Keng Po Lai
- Department of Biology and Chemistry, City University of Hong Kong, Hong Kong SAR, China.
| | - Jing Woei Li
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Angela Cheung
- Department of Biology and Chemistry, City University of Hong Kong, Hong Kong SAR, China
| | - Rong Li
- Croucher Institute for Environmental Sciences, Department of Biology, Partner State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - Md Baki Billah
- Department of Zoology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Ting Fung Chan
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China; State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Chris Kong Chu Wong
- Croucher Institute for Environmental Sciences, Department of Biology, Partner State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong SAR, China.
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Kolla S, Pokharel A, Vandenberg LN. The mouse mammary gland as a sentinel organ: distinguishing 'control' populations with diverse environmental histories. Environ Health 2017; 16:25. [PMID: 28279175 PMCID: PMC5345180 DOI: 10.1186/s12940-017-0229-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 02/28/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND There are numerous examples of laboratory animals that were inadvertently exposed to endocrine disrupting chemicals (EDCs) during the process of conducting experiments. Controlling contaminations in the laboratory is challenging, especially when their source is unknown. Unfortunately, EDC contaminations can interfere with the interpretation of data during toxicological evaluations. We propose that the male CD-1 mouse mammary gland is a sensitive bioassay to evaluate the inadvertent contamination of animal colonies. METHODS We evaluated mammary glands collected from two CD-1 mouse populations with distinct environmental histories. Population 1 was born and raised in a commercial laboratory with unknown EDC exposures; Population 2 was the second generation raised in an animal facility with limited exposures to xenoestrogens from caging, feed, etc. Mammary glands were collected from all animals and evaluated using morphometric techniques to quantify morphological characteristics of the mammary gland. RESULTS Population 1 (with suspected history of environmental chemical exposure) and Population 2 (with known limited history of xenoestrogen exposure) were morphologically distinguishable in adult males, prepubertal females, and pubertal females. Mammary glands from males raised in the commercial animal facility were significantly more developed, with larger ductal trees and more branching points. The appearance of these mammary glands was consistent with prior reports of male mice exposed to low doses of bisphenol A (BPA) during early development. In females, the two populations were morphologically distinct at both prepuberty and puberty, with the most striking differences observed in the number, size, and density of terminal end buds, e.g. highly proliferative structures found in the developing mammary gland. CONCLUSIONS Collectively, these results suggest that the mouse mammary gland has the potential to be used as a sentinel organ to evaluate and distinguish animal colonies raised in different environmental conditions including potential EDC exposures. Our findings could help researchers that wish to perform a posteriori evaluations to determine whether inadvertent contamination with xenoestrogens (and potentially other EDCs) has occurred in their animal colonies, especially after new materials (feed, caging, water bottles) have been introduced. Finally, our results challenge the relatively common practice of using historical controls in toxicological experiments.
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Affiliation(s)
- SriDurgaDevi Kolla
- School of Public Health and Health Sciences, University of Massachusetts, Amherst, USA
| | - Aastha Pokharel
- School of Public Health and Health Sciences, University of Massachusetts, Amherst, USA
| | - Laura N. Vandenberg
- Department of Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts, 171A Goessmann, 686 N. Pleasant Street, Amherst, MA 01003 USA
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Biancardi MF, Perez AP, Caires CR, Falleiros LR, Góes RM, Vilamaior PS, Freitas DR, Santos FC, Taboga SR. Prenatal and pubertal testosterone exposure imprint permanent modifications in the prostate that predispose to the development of lesions in old Mongolian gerbils. Asian J Androl 2017; 19:160-167. [PMID: 26780870 PMCID: PMC5312212 DOI: 10.4103/1008-682x.170436] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The prostate is an accessory sex gland that develops under precise androgenic control. It is known that hormonal imbalance may disrupt its development predisposing this gland to develop diseases during aging. Although the hypothesis regarding earlier origins of prostate diseases was proposed many years ago, the mechanisms underlying this complex phenomenon are poorly understood. Therefore, the aim of this study was to evaluate the prostates of old male gerbils exposed to testosterone during intrauterine and postnatal life using morphological, biometrical, stereological, Kariometric, immunohistochemical, and immunofluorescence analyses. Our findings demonstrate that prenatal and pubertal exposure to testosterone increases the susceptibility to the development of prostate diseases during aging. The presence of a more proliferative gland associated with foci of adenomatous hyperplasia in animals exposed to testosterone during the prenatal and pubertal phase show that the utero life and the pubertal period are important phases for prostatic morphophysiology establishment, which is a determinant for the health of the gland during aging. Therefore, these findings reinforce the idea that prostate disease may result from hormonal disruptions in early events during prostate development, which imprint permanently on the gland predisposing it to develop lesions in later stages of life.
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Affiliation(s)
- Manoel F Biancardi
- Department of Structural and Functional, State University of Campinas, Av. Bertrand Russel s/n, Campinas, São Paulo, 13084864, Brazil.,Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Samambaia II, Goiânia, Goiás, 74001970, Brazil
| | - Ana Ps Perez
- Department of Structural and Functional, State University of Campinas, Av. Bertrand Russel s/n, Campinas, São Paulo, 13084864, Brazil
| | - Cássia Rs Caires
- University Estadual Paulista - UNESP, Department of Biology, Laboratory of Microscopy and Microanalysis, Rua Cristóvão Colombo, 2265, São José do Rio Preto, São Paulo, 15054000, Brazil
| | - Luiz R Falleiros
- University Estadual Paulista - UNESP, Department of Biology, Laboratory of Microscopy and Microanalysis, Rua Cristóvão Colombo, 2265, São José do Rio Preto, São Paulo, 15054000, Brazil
| | - Rejane M Góes
- University Estadual Paulista - UNESP, Department of Biology, Laboratory of Microscopy and Microanalysis, Rua Cristóvão Colombo, 2265, São José do Rio Preto, São Paulo, 15054000, Brazil
| | - Patrícia Sl Vilamaior
- University Estadual Paulista - UNESP, Department of Biology, Laboratory of Microscopy and Microanalysis, Rua Cristóvão Colombo, 2265, São José do Rio Preto, São Paulo, 15054000, Brazil
| | - Diógenes R Freitas
- Medical School, Federal University of Goiás, Colemar Natal e Silva, Goiânia, Goiás, 74001970, Brazil
| | - Fernanda Ca Santos
- Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Samambaia II, Goiânia, Goiás, 74001970, Brazil
| | - Sebastião R Taboga
- Department of Structural and Functional, State University of Campinas, Av. Bertrand Russel s/n, Campinas, São Paulo, 13084864, Brazil.,University Estadual Paulista - UNESP, Department of Biology, Laboratory of Microscopy and Microanalysis, Rua Cristóvão Colombo, 2265, São José do Rio Preto, São Paulo, 15054000, Brazil
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42
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Rodríguez DAO, de Lima RF, Campos MS, Costa JR, Biancardi MF, Marques MR, Taboga SR, Santos FCA. Intrauterine exposure to bisphenol A promotes different effects in both neonatal and adult prostate of male and female gerbils (Meriones unguiculatus). ENVIRONMENTAL TOXICOLOGY 2016; 31:1740-1750. [PMID: 26443714 DOI: 10.1002/tox.22176] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 07/08/2015] [Accepted: 07/12/2015] [Indexed: 06/05/2023]
Abstract
Substances that mimic endogenous hormones may alter the cell signaling that govern prostate development and predispose it to developing lesions in adult and senile life. Bisphenol A is able to mimic estrogens, and studies have demonstrated that low levels of exposure to this compound have caused alterations during prostate development. The aim of this study was to describe the prostate development in both male and female neonatal gerbils in normal conditions and under exposure to BPA during intrauterine life, and also to analyze whether the effects of intrauterine exposure to BPA remain in adulthood. Morphological, stereological, three-dimensional reconstruction, and immunohistochemical methods were employed. The results demonstrated that in 1-day-old normal gerbils, the female paraurethral glands and the male ventral lobe are morphologically similar, although its tissue components-epithelial buds (EB), periurethral mesenchyme (PeM), paraurethral mesenchyme (PaM) or ventral mesenchymal pad (VMP), and smooth muscle (SM)-have presented different immunolabeling pattern for androgen receptor (AR), and for proliferating cell nuclear antigen (PCNA). Moreover, we observed a differential response of male and female prostate to intrauterine BPA exposure. In 1-day-old males, the intrauterine exposure to BPA caused a decrease of AR-positive cells in the PeM and SM, and a decrease of the proliferative status in the EB. In contrast, no morphological alterations were observed in ventral prostate of adult males. In 1-day-old females, BPA exposure promoted an increase of estrogen receptor alpha (ERα) positive cells in PeM and PaM, a decrease of AR-positive cells in EB and PeM, besides a reduction of cell proliferation in EB. Additionally, the adult female prostate of BPA-exposed animals presented an increase of AR- and PCNA-positive cells. These results suggest that the prostate of female gerbils were more susceptible to the intrauterine BPA effects, since they became more proliferative in adult life. © 2015 Wiley Periodicals, Inc. Environ Toxicol 31: 1740-1750, 2016.
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Affiliation(s)
- Daniel A O Rodríguez
- Institute of Biological Sciences, Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Campus II Samambaia, Goiânia, Goiás, 74001970, Brazil
| | - Rodrigo F de Lima
- Institute of Biological Sciences, Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Campus II Samambaia, Goiânia, Goiás, 74001970, Brazil
| | - Mônica S Campos
- Department of Biology, Laboratory of Microscopy and Microanalysis, University Estadual Paulista - UNESP, Rua Cristóvão Colombo, 2265, São José Do Rio Preto, São Paulo, 15054000, Brazil
| | - Janaína R Costa
- Institute of Biological Sciences, Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Campus II Samambaia, Goiânia, Goiás, 74001970, Brazil
| | - Manoel F Biancardi
- Institute of Biological Sciences, Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Campus II Samambaia, Goiânia, Goiás, 74001970, Brazil
| | - Mara R Marques
- Institute of Biological Sciences, Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Campus II Samambaia, Goiânia, Goiás, 74001970, Brazil
| | - Sebastião R Taboga
- Department of Biology, Laboratory of Microscopy and Microanalysis, University Estadual Paulista - UNESP, Rua Cristóvão Colombo, 2265, São José Do Rio Preto, São Paulo, 15054000, Brazil
| | - Fernanda C A Santos
- Institute of Biological Sciences, Department of Histology, Embryology and Cell Biology, Federal University of Goiás, Campus II Samambaia, Goiânia, Goiás, 74001970, Brazil
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Weinhouse C, Bergin IL, Harris C, Dolinoy DC. Stat3 is a candidate epigenetic biomarker of perinatal Bisphenol A exposure associated with murine hepatic tumors with implications for human health. Epigenetics 2016; 10:1099-110. [PMID: 26542749 DOI: 10.1080/15592294.2015.1107694] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Bisphenol A (BPA) is an endocrine disrupting chemical (EDC) that has been implicated as a potential carcinogen and epigenotoxicant. We have previously reported dose-dependent incidence of hepatic tumors in 10-month-old isogenic mice perinatally exposed to BPA. Here, we evaluated DNA methylation at 3 candidate genes (Esr1, Il-6st, and Stat3) in liver tissue of BPA-exposed mice euthanized at 2 time points: post-natal day 22 (PND22; n = 147) or 10-months of age (n = 78, including n = 18 with hepatic tumors). Additionally, DNA methylation profiles were analyzed at human homologs of murine candidate genes in human fetal liver samples (n = 50) with known liver tissue BPA levels. Candidate genes were chosen based on reported expression changes in both rodent and human hepatocellular carcinoma (HCC). Regions for bisulfite sequencing were chosen by mining whole genome next generation sequencing methylation datasets of both mice and human liver samples with known perinatal BPA exposures. One of 3 candidate genes, Stat3, displayed dose-dependent DNA methylation changes in both 10-month mice with liver tumors as compared to those without liver tumors and 3-week sibling mice from the same exposure study, implicating Stat3 as a potential epigenetic biomarker of both early life BPA exposure and adult disease in mice. DNA methylation profiles within STAT3 varied with liver tissue BPA level in human fetal liver samples as well, suggesting STAT3 may be a translationally relevant candidate biomarker. These data implicate Stat3 as a potential early life biomarker of adult murine liver tumor risk following early BPA exposure with early evidence of relevance to human health.
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Affiliation(s)
- Caren Weinhouse
- a Department of Environmental Health Sciences ; University of Michigan ; Ann Arbor , Michigan , USA
| | - Ingrid L Bergin
- b Unit for Laboratory Animal Medicine; University of Michigan ; Ann Arbor , Michigan , USA
| | - Craig Harris
- a Department of Environmental Health Sciences ; University of Michigan ; Ann Arbor , Michigan , USA
| | - Dana C Dolinoy
- a Department of Environmental Health Sciences ; University of Michigan ; Ann Arbor , Michigan , USA.,c Department of Nutritional Sciences ; University of Michigan ; Ann Arbor , Michigan , USA
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Biancardi MF, Perez APS, Góes RM, Santos FCA, Vilamaior PSL, Taboga SR. Prenatal testosterone exposure as a model for the study of endocrine-disrupting chemicals on the gerbil prostate. Exp Biol Med (Maywood) 2016; 237:1298-309. [DOI: 10.1258/ebm.2012.012051] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The development of the prostate depends on a precise androgenic control, so sensible interferences may predispose this gland to develop prostatic diseases during life. These aspects are of interest and preoccupation, since human beings are exposed to a growing number of endocrine-disrupting chemicals with androgenic potential. Therefore, our aim was to evaluate the prostates of adult gerbils exposed to testosterone during intrauterine life. Serological, morphological, morphometric-stereologic, immunohistochemical and three-dimensional reconstruction analyses were used. We found that the testosterone effects were dose-dependent and more harmful to females, leading to the development of masculine characteristics, evidenced by an increased anogenital distance, and absence of vaginal opening and the ectopic development of prostatic tissue. Moreover, premalignant lesions, such as prostatic intraepithelial neoplasia, were observed in addition to inflammatory foci in the prostate. The results showed that the prenatal exposure to testosterone may affect the reproductive system, disrupting developmental processes and increasing susceptibility to the development of prostatic diseases in the Mongolian gerbil.
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Affiliation(s)
- Manoel F Biancardi
- Department of Cell Biology, Institute of Biology, UNICAMP, Campinas, São Paulo, CP 6109, 13084-864
| | - Ana PS Perez
- Department of Cell Biology, Institute of Biology, UNICAMP, Campinas, São Paulo, CP 6109, 13084-864
| | - Rejane M Góes
- Laboratory of Microscopy and Microanalysis, Department of Biology, IBILCE, São Paulo State University, São José do Rio Preto, São Paulo 15054-000
| | - Fernanda CA Santos
- Department of Morphology, Federal University of Goiás, Goiânia, Goiás 74001-970
| | - Patrícia SL Vilamaior
- Biological Sciences and Veterinary Medicine School, Rio Preto Universitary Center - UNIRP, São José do Rio Preto, São Paulo 15025-400, Brazil
| | - Sebastião R Taboga
- Department of Cell Biology, Institute of Biology, UNICAMP, Campinas, São Paulo, CP 6109, 13084-864
- Laboratory of Microscopy and Microanalysis, Department of Biology, IBILCE, São Paulo State University, São José do Rio Preto, São Paulo 15054-000
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Vigezzi L, Ramos JG, Kass L, Tschopp MV, Muñoz-de-Toro M, Luque EH, Bosquiazzo VL. A deregulated expression of estrogen-target genes is associated with an altered response to estradiol in aged rats perinatally exposed to bisphenol A. Mol Cell Endocrinol 2016; 426:33-42. [PMID: 26898831 DOI: 10.1016/j.mce.2016.02.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/11/2016] [Accepted: 02/11/2016] [Indexed: 12/13/2022]
Abstract
Here we assessed the effects of perinatal exposure to bisphenol A (BPA) on the uterine response to 17β-estradiol (E2) in aged rats. Pregnant rats were orally exposed to 0.5 or 50 μg BPA/kg/day from gestational day 9 until weaning. On postnatal day (PND) 360, the rats were ovariectomized and treated with E2 for three months. The uterine tissue of BPA50 and BPA0.5 rats showed increased density of glands with squamous metaplasia (GSM) and glands with daughter glands respectively. Wnt7a expression was lower in GSM of BPA50 rats than in controls. The expression of estrogen receptor 1 (ESR1) and its 5'- untranslated exons ESR1-O and ESR1-OT was lower in BPA50 rats. Both doses of BPA modified the expression of coactivator proteins and epigenetic regulatory enzymes. Thus, perinatal BPA-exposed rats showed different glandular abnormalities associated with deregulated expression of E2-target genes. Different mechanisms would be involved depending on the BPA dose administered.
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Affiliation(s)
- Lucía Vigezzi
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Jorge G Ramos
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - María V Tschopp
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Verónica L Bosquiazzo
- Instituto de Salud y Ambiente del Litoral (ISAL UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.
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Hayes L, Weening A, Morey LM. Differential Effects of Estradiol and Bisphenol A on SET8 and SIRT1 Expression in Ovarian Cancer Cells. Dose Response 2016; 14:1559325816640682. [PMID: 27114721 PMCID: PMC4831029 DOI: 10.1177/1559325816640682] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Exposure to estrogenic compounds has been shown to epigenetically reprogram the female reproductive tract and may contribute to ovarian cancer. The goal of this study was to compare the effect of estradiol or bisphenol A (BPA) on the expression of histone-modifying enzymes (HMEs) in ovarian cancer cells. Using 2 human ovarian cancer cell lines, we examined the expression of SET8, a histone methyltransferase, and SIRT1, a histone deacetylase, after exposure to estrogen or BPA. These experiments were carried out in complete media (fetal bovine serum) that contain natural hormones to understand the impact of additional exposure to estrogen or BPA on HME expression. We found differential expression of the HMEs in the different models examined and between the different compounds. Further, we determined that the changes in gene expression occurred via estrogen receptor signaling using the estrogen receptor antagonist, ICI 182,780 (fulvestrant).
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Affiliation(s)
- Laura Hayes
- Lake Erie College of Osteopathic Medicine, Erie, PA, USA
| | - Allison Weening
- Vermont Department of Health Laboratory, Colchester, VT, USA
| | - Lisa M. Morey
- Department of Biology, Canisius College, Buffalo, NY, USA
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Hu DP, Hu WY, Xie L, Li Y, Birch L, Prins GS. Actions of Estrogenic Endocrine Disrupting Chemicals on Human Prostate Stem/Progenitor Cells and Prostate Carcinogenesis. ACTA ACUST UNITED AC 2016. [DOI: 10.2174/1874070701610010076] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Substantial evidences from epidemiological and animal-based studies indicate that early exposure to endocrine disrupting chemicals (EDCs) during the developmental stage results in a variety of disorders including cancer. Previous studies have demonstrated that early estrogen exposure results in life-long reprogramming of the prostate gland that leads to an increased incidence of prostatic lesions with aging. We have recently documented that bisphenol A (BPA), one of the most studied EDCs with estrogenic activity has similar effects in increasing prostate carcinogenic potential, supporting the connection between EDCs exposure and prostate cancer risk. It is well accepted that stem cells play a crucial role in development and cancer. Accumulating evidence suggest that stem cells are regulated by extrinsic factors and may be the potential target of hormonal carcinogenesis. Estrogenic EDCs which interfere with normal hormonal signaling may perturb prostate stem cell fate by directly reprogramming stem cells or breaking down the stem cell niche. Transformation of stem cells into cancer stem cells may underlie cancer initiation accounting for cancer recurrence, which becomes a critical therapeutic target of cancer management. We therefore propose that estrogenic EDCs may influence the development and progression of prostate cancer through reprogramming and transforming the prostate stem and early stage progenitor cells. In this review, we summarize our current studies and have updated recent advances highlighting estrogenic EDCs on prostate carcinogenesis by possible targeting prostate stem/progenitor cells. Using novel stem cell assays we have demonstrated that human prostate stem/progenitor cells express estrogen receptors (ER) and are directly modulated by estrogenic EDCs. Moreover, employing anin vivohumanized chimeric prostate model, we further demonstrated that estrogenic EDCs initiate and promote prostatic carcinogenesis in an androgen-supported environment. These findings support our hypothesis that prostate stem/progenitor cells may be the direct targets of estrogenic EDCs as a consequence of developmental exposure which carry permanent reprogrammed epigenetic and oncogenic events and subsequently deposit into cancer initiation and progression in adulthood.
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48
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Perez APS, Biancardi MF, Caires CRS, Falleiros-Junior LR, Góes RM, Vilamaior PSL, Santos FCA, Taboga SR. Prenatal exposure to ethinylestradiol alters the morphologic patterns and increases the predisposition for prostatic lesions in male and female gerbils during ageing. Int J Exp Pathol 2016; 97:5-17. [PMID: 26852889 DOI: 10.1111/iep.12153] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 08/22/2015] [Indexed: 12/11/2022] Open
Abstract
Ethinylestradiol (EE) is an endocrine disruptor (ED) which acts as an oestrogen agonist; this compound is known as an oral contraceptive. Male and female rodents exposed to EE during critical time points of development, such as in the prenatal period, show alterations in their reproductive tract during adulthood. Few studies have placed an emphasis on the effects of EE during ageing. Thus, this study had as it's objective the analysis of the morphological and immunohistochemical effects of exposure to EE in the prenatal period on ventral male prostate and female prostate of gerbils (Meriones unguiculatus) during ageing. The animals were exposed to EE (15 μg/kg/day) during the 18-22th days of prenatal life (EE/PRE group), and the analyses were performed when the male and female reached 12 months of age. Our results showed an increase in the development of prostatic intraepithelial neoplasia (PIN), which was observed in the male and female prostate of EE/PRE groups. Immunohistochemistry showed a rise in prostatic epithelial and basal cells immunoreactivity, respectively, and to AR and p63 in the male EE/PRE. There were alterations in the morphological pattern of the prostatic glands and increase in predisposition to emergence of prostatic lesions of both sexes during ageing. Despite male and female having been exposed to the same doses of EE, the "exposure to EE promoted modifications" more accentuated in the male prostate. Thus the male gland is more sensitive to the action of this synthetic oestrogen than the female prostate.
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Affiliation(s)
- Ana P S Perez
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas -UNICAMP, Campinas, São Paulo, Brazil
| | - Manoel F Biancardi
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas -UNICAMP, Campinas, São Paulo, Brazil
| | - Cássia R S Caires
- Department of Biology, Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - IBILCE/UNESP, São José do Rio Preto, São Paulo, Brazil
| | - Luiz R Falleiros-Junior
- Department of Biology, Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - IBILCE/UNESP, São José do Rio Preto, São Paulo, Brazil
| | - Rejane M Góes
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas -UNICAMP, Campinas, São Paulo, Brazil.,Department of Biology, Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - IBILCE/UNESP, São José do Rio Preto, São Paulo, Brazil
| | - Patricia S L Vilamaior
- Department of Biology, Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - IBILCE/UNESP, São José do Rio Preto, São Paulo, Brazil
| | - Fernanda C A Santos
- Department of Morphology, Federal University of Goiás - UFG, Goiânia, Goiás, Brazil
| | - Sebastião R Taboga
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas -UNICAMP, Campinas, São Paulo, Brazil.,Department of Biology, Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - IBILCE/UNESP, São José do Rio Preto, São Paulo, Brazil
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49
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Klaper R. In response: Academic perspective. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2016; 35:268-270. [PMID: 26808911 DOI: 10.1002/etc.3211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 06/01/2015] [Accepted: 08/12/2015] [Indexed: 06/05/2023]
Affiliation(s)
- Rebecca Klaper
- Great Lakes Genomics Center, School of Freshwater Sciences, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA
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50
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Sweeney MF, Hasan N, Soto AM, Sonnenschein C. Environmental endocrine disruptors: Effects on the human male reproductive system. Rev Endocr Metab Disord 2015; 16:341-57. [PMID: 26847433 PMCID: PMC4803593 DOI: 10.1007/s11154-016-9337-4] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Incidences of altered development and neoplasia of male reproductive organs have increased during the last 50 years, as shown by epidemiological data. These data are associated with the increased presence of environmental chemicals, specifically "endocrine disruptors," that interfere with normal hormonal action. Much research has gone into testing the effects of specific endocrine disrupting chemicals (EDCs) on the development of male reproductive organs and endocrine-related cancers in both in vitro and in vivo models. Efforts have been made to bridge the accruing laboratory findings with the epidemiological data to draw conclusions regarding the relationship between EDCs, altered development and carcinogenesis. The ability of EDCs to predispose target fetal and adult tissues to neoplastic transformation is best explained under the framework of the tissue organization field theory of carcinogenesis (TOFT), which posits that carcinogenesis is development gone awry. Here, we focus on the available evidence, from both empirical and epidemiological studies, regarding the effects of EDCs on male reproductive development and carcinogenesis of endocrine target tissues. We also critique current research methodology utilized in the investigation of EDCs effects and outline what could possibly be done to address these obstacles moving forward.
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Affiliation(s)
- M F Sweeney
- Program in Genetics, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, 02111, USA
| | - N Hasan
- Program in Cell, Molecular & Developmental Biology, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, 02111, USA
| | - A M Soto
- Program in Genetics, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, 02111, USA
- Program in Cell, Molecular & Developmental Biology, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, 02111, USA
- Department of Integrative Physiology & Pathobiology, Tufts University, 136 Harrison Ave, Boston, MA, 02111, USA
| | - C Sonnenschein
- Program in Genetics, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, 02111, USA.
- Program in Cell, Molecular & Developmental Biology, Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, 02111, USA.
- Department of Integrative Physiology & Pathobiology, Tufts University, 136 Harrison Ave, Boston, MA, 02111, USA.
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