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Ray S, Vashishth R. Assessing the risk of consuming fish from Kanyakumari (Tamil Nadu), India: An evaluative study on bioaccumulated heavy metals in different fish species using inductively coupled plasma mass spectrometry. Toxicol Rep 2024; 13:101727. [PMID: 39309632 PMCID: PMC11415344 DOI: 10.1016/j.toxrep.2024.101727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2024] [Revised: 09/01/2024] [Accepted: 09/02/2024] [Indexed: 09/25/2024] Open
Abstract
Environmental pollutants which are developing an alarming situation in the contemporary world captured attention in the present research. When it comes to food safety and security concerns it becomes an important field to be studied rigorously as food contributes majorly to human and animal health. The pollution of aquatic ecosystems by heavy metals (HMs) ultimately results in adverse effect on the food chain, which is covered in the current study. Fish is considered to be one of the main components of a balanced diet plate due to its high-quality protein, which sets it apart from other dietary sources. On the other hand, it is also susceptible to the absorption and bioaccumulation of HMs at toxic levels. In our study, we have considered three different species (Nemipterus japonicus, Oreochromis mossambicus, and Lates calcarifer) of fish collected from Kanyakumari, Tamil Nadu (India). Three organs namely liver, gill, and muscle were taken into consideration for the HM profiling using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). The Arsenic (As), Cadmium (Cd), Chromium (Cr), Mercury (Hg) and Lead (Pb) were found to be in varied concentrations ranging from 0.1 to 1.13, 0.89-1.45, 9.95-30.66, 0.14-1.62, and 24.69-189.5 µg/kg respectively, in the studied organs of fish. Carcinogenic and noncarcinogenic risk assessments were also done indicating a notable level of Pb and Cr in selected fish species. The Hazard Index (HI) for Oreochromis mossambicus was >1 for adults and children, indicating future possibility of probable health hazards on daily consumption of these fish. In Oreochromis mossambicus, the cancer risk (CR) values for Cr and As were significantly high, particularly for children, indicating a possible occurrence of acute health risk as it exceeded the threshold of 1 × 10-3 and suggesting a significant concern. Though consumption of fish on daily basis in such significant quantity is practically impossible both for adult and children, rendering these species safe.
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Affiliation(s)
- Suryapratap Ray
- Department of Biosciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore 632014, India
| | - Rahul Vashishth
- Department of Biosciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore 632014, India
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Fruh V, Babalola T, Sears C, Wellenius GA, Webster TF, Mann KK, Harrington J, Tjønneland A, Raaschou-Nielsen O, Claus Henn B, Meliker JR. Dietary Minerals and Incident Cardiovascular Outcomes among Never-Smokers in a Danish Case-Cohort Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:932. [PMID: 39063508 PMCID: PMC11277515 DOI: 10.3390/ijerph21070932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/12/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024]
Abstract
Background: Diet is known to impact cardiovascular disease (CVD) risk, but evidence for the essential minerals of magnesium (Mg), calcium (Ca), and potassium (K) is inconsistent. Methods: We conducted a case-cohort study within a non-smoking subgroup of the Danish Diet, Cancer and Health cohort, a prospective study of 50-64-year-olds recruited between 1993-1997. We identified incident heart failure (HF), acute myocardial infarction (AMI) and stroke cases through 2015 with an 1135-member subcohort. We measured the dietary intake of minerals, also known as elements, and calculated a combined dietary intake (CDI) score based on joint Ca, Mg and K intakes (mg/d) from Food Frequency Questionnaires. We estimated adjusted hazard ratios (HRs) with Cox proportional hazard models. Results: Most HRs examining associations between CDI score and CVD were null. However, the third quartile of CDI was associated with a lower risk for heart failure (HR: 0.89; 95% CI: 0.67, 1.17), AMI (HR: 0.79; 95% CI: 0.60, 1.04), and stroke (HR: 0.63; 95% CI: 0.44, 0.88). Conclusions: We did not find consistent evidence to suggest that higher levels of essential minerals are associated with incident HF, AMI, and stroke, though results suggest a potential U-shaped relationship between select minerals and CVD outcomes.
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Affiliation(s)
- Victoria Fruh
- Department of Environmental Health, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA (T.F.W.)
| | - Tesleem Babalola
- Program in Public Health, Department of Family, Population, & Preventive Medicine, Stony Brook University, Stony Brook, NY 11794, USA; (T.B.)
| | - Clara Sears
- Division of Environmental Medicine, Department of Medicine, University of Louisville, Louisville, KY 40292, USA;
| | - Gregory A. Wellenius
- Department of Environmental Health, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA (T.F.W.)
| | - Thomas F. Webster
- Department of Environmental Health, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA (T.F.W.)
| | - Koren K. Mann
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3A 0G4, Canada
| | - James Harrington
- Center for Analytical Science, Research Triangle Institute, Research Triangle Park, NC 27709, USA
| | - Anne Tjønneland
- Danish Cancer Society Research Center, 2100 Copenhagen, Denmark; (A.T.)
- Department of Public Health, University of Copenhagen, 1353 Copenhagen, Denmark
| | - Ole Raaschou-Nielsen
- Danish Cancer Society Research Center, 2100 Copenhagen, Denmark; (A.T.)
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Birgit Claus Henn
- Department of Environmental Health, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA (T.F.W.)
| | - Jaymie R. Meliker
- Program in Public Health, Department of Family, Population, & Preventive Medicine, Stony Brook University, Stony Brook, NY 11794, USA; (T.B.)
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Chitakwa N, Alqudaimi M, Sultan M, Wu D. Plastic-related endocrine disrupting chemicals significantly related to the increased risk of estrogen-dependent diseases in women. ENVIRONMENTAL RESEARCH 2024; 252:118966. [PMID: 38640992 DOI: 10.1016/j.envres.2024.118966] [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: 12/18/2023] [Revised: 03/08/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
OBJECTIVE To evaluate the association between exposure to plastic-related endocrine-disrupting chemicals (EDCs), specifically Bisphenol A (BPA), Phthalates, Cadmium, and Lead, and the risk of estrogen-dependent diseases (EDDs) such as polycystic ovary syndrome (PCOS), endometriosis, or endometrial cancer by conducting a meta-analysis of relevant studies. METHODS PubMed, Web of Science, and Cochrane Library databases were used for literature retrieval of articles published until the 21st of April 2023. Literature that evaluated the association between BPA, phthalates, cadmium, and/or lead exposure and the risk of PCOS, endometriosis, or endometrial cancer development or exacerbation were included in our analysis. STATA/MP 17.0 was used for all statistical analyses. RESULTS Overall, 22 articles were included in our meta-analysis with a total of 83,641 subjects all of whom were females aged between 18 and 83 years old. The overall effect size of each study was as follows: endometriosis risk in relation to BPA exposure ES 1.82 (95% CI; 1.50, 2.20). BPA and PCOS risk ES 1.61 (95% CI; 1.39, 1.85). Phthalate metabolites and endometriosis risk; MBP ES 1.07 (95% CI; 0.86, 1.33), MEP ES 1.05 (95% CI; 0.87, 1.28), MEHP ES 1.15 (95% CI; 0.67, 1.98), MBzP ES 0.97 (95% CI; 0.63, 1.49), MEOHP ES 1.87 (95% CI; 1.21, 2.87), and MEHHP ES 1.98 (95% CI; 1.32, 2.98). Cadmium exposure and endometrial cancer risk ES 1.14 (95% CI; 0.92, 1.41). Cadmium exposure and the risk of endometriosis ES 2.54 (95% CI; 1.71, 3.77). Lead exposure and the risk of endometriosis ES 1.74 (95% CI; 1.13, 2.69). CONCLUSION Increased serum, urinary, or dietary concentration of MBzP and MEHP in women is significantly associated with endometriosis risk. Increased cadmium concentration is associated with endometrial cancer risk.
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Affiliation(s)
- Natasha Chitakwa
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Road, Nanjing, 211166, China
| | - Mohammed Alqudaimi
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Road, Nanjing, 211166, China
| | - Mazhar Sultan
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Di Wu
- Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, China; State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Road, Nanjing, 211166, China.
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Ali Hussein M, Kamalakkannan A, Valinezhad K, Kannan J, Paleati N, Saad R, Kajdacsy-Balla A, Munirathinam G. The dynamic face of cadmium-induced Carcinogenesis: Mechanisms, emerging trends, and future directions. Curr Res Toxicol 2024; 6:100166. [PMID: 38706786 PMCID: PMC11068539 DOI: 10.1016/j.crtox.2024.100166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 03/18/2024] [Accepted: 04/03/2024] [Indexed: 05/07/2024] Open
Abstract
Cadmium (Cd) is a malleable element with odorless, tasteless characteristics that occurs naturally in the earth's crust, underground water, and soil. The most common reasons for the anthropological release of Cd to the environment include industrial metal mining, smelting, battery manufacturing, fertilizer production, and cigarette smoking. Cadmium-containing products may enter the environment as soluble salts, vapor, or particle forms that accumulate in food, soil, water, and air. Several epidemiological studies have highlighted the association between Cd exposure and adverse health outcomes, especially renal toxicity, and the impact of Cd exposure on the development and progression of carcinogenesis. Also highlighted is the evidence for early-life and even maternal exposure to Cd leading to devastating health outcomes, especially the risk of cancer development in adulthood. Several mechanisms have been proposed to explain how Cd mediates carcinogenic transformation, including epigenetic alteration, DNA methylation, histone posttranslational modification, dysregulated non-coding RNA, DNA damage in the form of DNA mutation, strand breaks, and chromosomal abnormalities with double-strand break representing the most common DNA form of damage. Cd induces an indirect genotoxic effect by reducing p53's DNA binding activity, eventually impairing DNA repair, inducing downregulation in the expression of DNA repair genes, which might result in carcinogenic transformation, enhancing lipid peroxidation or evasion of antioxidant interference such as catalase, superoxide dismutase, and glutathione. Moreover, Cd mediates apoptosis evasion, autophagy activation, and survival mechanisms. In this review, we decipher the role of Cd mediating carcinogenic transformation in different models and highlight the interaction between various mechanisms. We also discuss diagnostic markers, therapeutic interventions, and future perspectives.
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Affiliation(s)
- Mohamed Ali Hussein
- Department of Pharmaceutical Services, Children’s Cancer Hospital Egypt, 57357 Cairo, Egypt
- Institute of Global Health and Human Ecology (IGHHE), School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt
| | - Abishek Kamalakkannan
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL 61107, USA
| | - Kamyab Valinezhad
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL 61107, USA
| | - Jhishnuraj Kannan
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL 61107, USA
| | - Nikhila Paleati
- Department of Psychology and Neuroscience, College of Undergraduate Studies, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
| | - Rama Saad
- Department of Hematology/Oncology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - André Kajdacsy-Balla
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Gnanasekar Munirathinam
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL 61107, USA
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Costas L, Frias-Gomez J, Peinado FM, Molina-Molina JM, Peremiquel-Trillas P, Paytubi S, Crous-Bou M, de Francisco J, Caño V, Benavente Y, Pelegrina B, Martínez JM, Pineda M, Brunet J, Matias-Guiu X, de Sanjosé S, Ponce J, Olea N, Alemany L, Fernández MF. Total Effective Xenoestrogen Burden in Serum Samples and Risk of Endometrial Cancer in the Spanish Screenwide Case-Control Study. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:27012. [PMID: 38415615 PMCID: PMC10901108 DOI: 10.1289/ehp13202] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 01/08/2024] [Accepted: 01/23/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND Endometrial cancer is a hormone-dependent cancer, and estrogens play a relevant role in its etiology. However, little is known about the effects of environmental pollutants that act as xenoestrogens or that influence estrogenic activity through different pathways. OBJECTIVE We aimed to assess the relationship between the combined estrogenic activity of mixtures of xenoestrogens present in serum samples and the risk of endometrial cancer in the Screenwide case-control study. METHODS The total effective xenoestrogen burden (TEXB) attributable to organohalogenated compounds (TEXB- α ) and to endogenous hormones and more polar xenoestrogens (TEXB- β ) was assessed in serum from 156 patients with endometrial cancer (cases) and 150 controls by combining chemical extraction and separation by high-performance liquid chromatography with the E-SCREEN bioassay for estrogenicity. RESULTS Median TEXB- α and TEXB- β levels for cases (0.30 and 1.25 Eeq pM / mL , respectively) and controls (0.42 and 1.28 Eeq pM / mL , respectively) did not significantly differ (p = 0.653 and 0.933, respectively). An inverted-U risk trend across serum TEXB- α and TEXB- β levels was observed in multivariate adjusted models: Positive associations were observed for the second category of exposure in comparison to the lowest category of exposure [odds ratio ( OR ) = 2.11 (95% CI: 1.13, 3.94) for TEXB- α , and OR = 3.32 (95% CI: 1.62, 6.81) for TEXB- β ], whereas no significant associations were observed between the third category of exposure and the first [OR = 1.22 (95% CI: 0.64, 2.31) for TEXB- α , and OR = 1.58 (95% CI: 0.75, 3.33) for TEXB- β ]. In mutually adjusted models for TEXB- α and TEXB- β levels, the association of TEXB- α with endometrial cancer risk was attenuated [OR = 1.45 (95% CI: 0.61, 3.47) for the second category of exposure], as well as estimates for TEXB- β (OR = 2.68 ; 95% CI: 1.03, 6.99). Most of the individual halogenated contaminants showed no associations with both TEXB and endometrial cancer. CONCLUSIONS We evaluated serum total xenoestrogen burden in relation to endometrial cancer risk and found an inverted-U risk trend across increasing categories of exposure. The use of in vitro bioassays with human samples may lead to a paradigm shift in the way we understand the negative impact of chemical mixtures on human health effects. These results are relevant from a public health perspective and for decision-makers in charge of controlling the production and distribution of chemicals with xenoestrogenic activity. https://doi.org/10.1289/EHP13202.
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Affiliation(s)
- Laura Costas
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Jon Frias-Gomez
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- University of Barcelona, Barcelona, Spain
| | - Francisco M. Peinado
- Centre of Biomedical Research, University of Granada, Granada, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), Hospital Universitario San Cecilio, Granada, Spain
| | | | - Paula Peremiquel-Trillas
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- University of Barcelona, Barcelona, Spain
| | - Sonia Paytubi
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Marta Crous-Bou
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Javier de Francisco
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Department of Anesthesiology, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - Victor Caño
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Department of Anesthesiology, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - Yolanda Benavente
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Beatriz Pelegrina
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
| | - José Manuel Martínez
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Department of Gynecology, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - Marta Pineda
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Hereditary Cancer group, Molecular Mechanisms and Experimental Therapy in Oncology Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Cancer (CIBERONC), Carlos III Institute of Health, Madrid, Spain
| | - Joan Brunet
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Hereditary Cancer group, Molecular Mechanisms and Experimental Therapy in Oncology Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Cancer (CIBERONC), Carlos III Institute of Health, Madrid, Spain
| | - Xavier Matias-Guiu
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Cancer (CIBERONC), Carlos III Institute of Health, Madrid, Spain
- Department of Pathology, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - Silvia de Sanjosé
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Barcelona Institute for Global Health, Barcelona, Spain
| | - Jordi Ponce
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Department of Gynecology, Hospital Universitari de Bellvitge, Barcelona, Spain
| | - Nicolás Olea
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Centre of Biomedical Research, University of Granada, Granada, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), Hospital Universitario San Cecilio, Granada, Spain
| | - Laia Alemany
- Cancer Epidemiology Research Programme, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Mariana F. Fernández
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Centre of Biomedical Research, University of Granada, Granada, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), Hospital Universitario San Cecilio, Granada, Spain
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González-Pérez de Medina L, Muñoz-Fariña O, Fernández-Guerrero Y, Roman-Benn A, Bastias-Montes JM, Quevedo-León R, Ravanal MC. Arsenic, lead and cadmium concentration in food and estimated daily intake in the Cuban population and the health risks using a Total Diet Study. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2024; 59:112-122. [PMID: 38291737 DOI: 10.1080/03601234.2024.2306108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
This study estimates the intake of arsenic, lead and cadmium by the adult population (aged 18-91) of Cuba. The food consumption indices were obtained through 24-h dietary recall surveys applied to 450 people between October 2020 and March 2021. The Estimated Dietary Intake (EDI) of t-As (54.6 μg/day), Pb (118.5 μg/day) and Cd (35.1 μg/day) complied with Cuban legislation but was higher than the EDI for Cd established by the CONTAM Panel. The Target Hazard Quotients for the three contaminants were: iAs (0.220), Pb (0.409) and Cd (0.424), making the value of the Total Target Hazard Quotient 1.05, which indicates potential health risks for the population. Additionally, associated carcinogenic risks were: iAs (1.0·10-4), Pb (7.2·10-4) and Cd (25.9·10-4). Therefore, 10, 72 and 259 persons per 100,000 inhabitants are likely prone to developing cancer due to the ingestion of iAs, Pb and Cd, respectively.
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Affiliation(s)
| | - Ociel Muñoz-Fariña
- Faculty of Agricultural and Food Sciences, Food Science and Technology Institute (ICYTAL), Universidad Austral de Chile, Valdivia, Chile
| | | | - Analese Roman-Benn
- Faculty of Agricultural and Food Sciences, Graduate School, Universidad Austral de Chile, Valdivia, Chile
- Food Policy Division, Ministry of Health, Georgetown, Guyana
| | | | - Roberto Quevedo-León
- Department of Aquaculture and Agrifood Resources, Universidad de Los Lagos, Osorno, Chile
| | - María Cristina Ravanal
- Faculty of Agricultural and Food Sciences, Food Science and Technology Institute (ICYTAL), Universidad Austral de Chile, Valdivia, Chile
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George MF, Paff S, Rojo J, Powell M, Benz C, Pope K, Kerlikowske K, Shepard J, Willis M, Ereman R, Prebil L. Assessment of salivary cadmium levels and breast density in the Marin Women's Study. Cancer Med 2024; 13:e6973. [PMID: 38379324 PMCID: PMC10831917 DOI: 10.1002/cam4.6973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/21/2023] [Accepted: 01/06/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND We aimed to determine if salivary cadmium (Cd) levels had any association with breast density, hoping to establish a less invasive cost-effective method of stratifying Cd burden as an environmental breast cancer risk factor. METHODS Salivary Cd levels were quantified from the Marin Women's Study, a Marin County, California population composite. Volumetric compositional breast density (BDsxa ) data were measured by single x-ray absorptiometry techniques. Digital screening mammography was performed by the San Francisco Mammography Registry. Radiologists reviewed mammograms and assigned a Breast Imaging-Reporting and Data System score. Early morning salivary Cd samples were assayed. Association analyses were then performed. RESULTS Cd was quantifiable in over 90% of saliva samples (mean = 55.7 pg/L, SD = 29). Women with higher saliva Cd levels had a non-significant odds ratio of 1.34 with BI-RAD scores (3 or 4) (95% CI 0.75-2.39, p = 0.329). Cd levels were higher in current smokers (mean = 61.4 pg/L, SD = 34.8) than former smokers or non-smokers. These results were non-significant. Pilot data revealed that higher age and higher BMI were associated with higher BI-RAD scores (p < 0.001). CONCLUSION Salivary Cd is a viable quantification source in large epidemiologic studies. Association analyses between Cd levels and breast density may provide additional information for breast cancer risk assessment, risk reduction plans, and future research directions. Further work is needed to demonstrate a more robust testing protocol before the extent of its usefulness can be established.
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Affiliation(s)
- Michaela F. George
- Global Public Health Department, School of Health and Natural SciencesDominican University of CaliforniaSan RafaelCaliforniaUSA
| | - Shayne Paff
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - Jenyse Rojo
- Global Public Health Department, School of Health and Natural SciencesDominican University of CaliforniaSan RafaelCaliforniaUSA
| | - Mark Powell
- Zero Breast CancerBuck Institute for Research on AgingSan RafaelCaliforniaUSA
| | - Christopher Benz
- Cancer & Developmental TherapeuticsBuck Institute for Research on AgingSan RafaelCaliforniaUSA
- Department of Medicine, Epidemiology and BiostatisticsUniversity of CaliforniaSan FranciscoCaliforniaUSA
- Leonard Davis School of GerontologyUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Karl Pope
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - Karla Kerlikowske
- Department of Medicine, Epidemiology and BiostatisticsUniversity of CaliforniaSan FranciscoCaliforniaUSA
| | - John Shepard
- Population Sciences in the Pacific Program, Cancer EpidemiologyUniversity of Hawaii Cancer CenterHonoluluHawaiiUSA
| | - Matthew Willis
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - Rochelle Ereman
- Global Public Health Department, School of Health and Natural SciencesDominican University of CaliforniaSan RafaelCaliforniaUSA
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
| | - LeeAnn Prebil
- Epidemiology and Community HealthMarin County Department of Health and Human ServicesSan RafaelCaliforniaUSA
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Zhang SN, Xie WY, Zhai ZQ, Chen C, Zhao FJ, Wang P. Dietary intake of household cadmium-contaminated rice caused genome-wide DNA methylation changes on gene/hubs related to metabolic disorders and cancers. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 327:121553. [PMID: 37023889 DOI: 10.1016/j.envpol.2023.121553] [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: 11/14/2022] [Revised: 03/29/2023] [Accepted: 04/01/2023] [Indexed: 06/19/2023]
Abstract
Cadmium (Cd) contamination in food has raised broad concerns in food safety and human health. The toxicity of Cd to animals/humans have been widely reported, yet little is known about the health risk of dietary Cd intake at the epigenetic level. Here, we investigated the effect of a household Cd-contaminated rice (Cd-rice) on genome-wide DNA methylation (DNAm) changes in the model mouse. Feeding Cd-rice increased kidney Cd and urinary Cd concentrations compared with the Control rice (low-Cd rice), whereas supplementation of ethylenediamine tetraacetic acid iron sodium salt (NaFeEDTA) in the diet significantly increased urinary Cd and consequently decreased kidney Cd concentrations. Genome-wide DNAm sequencing revealed that dietary Cd-rice exposure caused the differentially methylated sites (DMSs), which were mainly located in the promoter (32.5%), downstream (32.5%), and intron (26.1%) regions of genes. Notably, Cd-rice exposure induced hypermethylation at the promoter sites of genes Caspase-8 and interleukin-1β (Il-1β), and consequently, their expressions were down-regulated. The two genes are critical in apoptosis and inflammation, respectively. In contrast, Cd-rice induced hypomethylation of the gene midline 1 (Mid1), which is vital to neurodevelopment. Furthermore, 'pathways in cancer' was significantly enriched as the leading canonical pathway. Supplementation of NaFeEDTA partly alleviated the toxic symptoms and DNAm alternations induced by Cd-rice exposure. These results highlight the broad effects of elevated dietary Cd intake on the level of DNAm, providing epigenetic evidence on the specific endpoints of health risks induced by Cd-rice exposure.
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Affiliation(s)
- Sheng-Nan Zhang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wan-Ying Xie
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhi-Qiang Zhai
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chuan Chen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Fang-Jie Zhao
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Peng Wang
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China; Agriculture and Health Center, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing, 210095, China.
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9
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Michalczyk K, Kupnicka P, Witczak G, Tousty P, Bosiacki M, Kurzawski M, Chlubek D, Cymbaluk-Płoska A. Assessment of Cadmium (Cd) and Lead (Pb) Blood Concentration on the Risk of Endometrial Cancer. BIOLOGY 2023; 12:biology12050717. [PMID: 37237530 DOI: 10.3390/biology12050717] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/08/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023]
Abstract
BACKGROUND Cadmium (Cd) and lead (Pb) are heavy metals with carcinogenic potential. Their increased concentration has been correlated with a risk of malignancies, including breast, lung, kidney, gastrointestinal, and gynecological cancers. Most of the studies have evaluated tissue heavy metal concentration. To the best of our knowledge, this is the first study to evaluate blood Cd and lead levels in different uterine pathologies and the risk of endometrial cancer. METHODS This study included 110 patients with a histopathological diagnosis of endometrial cancer, endometrial polyps, endometrial hyperplasia, uterine myoma, and normal endometrium. The patients included in the study were assessed in terms of their endometrial cancer risk factors and blood heavy metal levels. The analysis was conducted using inductively coupled plasma optical emission spectrometry. RESULTS There was a significant difference in the Cd and Cd/Pb ratio among the different groups of patients (p = 0.002), with higher a median Cd concentration among the endometrial cancer patients. The differences in Pb concentration were not significant (p = 0.717). There were also no differences in the Cd and Pb concentrations based on the patients' menopausal status nor BMI index. The univariate logistic regression showed a blood cadmium concentration above the median to be associated with an increased risk of endometrial cancer (OR = 5.25; 95% CI 1.56, 17.72). No significant associations were observed between the Pb concentration or Cd/Pb ratio and endometrial cancer risk. CONCLUSION The concentration of Cd varies in patients diagnosed with different uterine pathologies. Increased blood cadmium concentration seems to be a risk factor for endometrial studies. Further research on greater populations, accounting for environmental and lifestyle heavy metal exposure, is required to validate our findings.
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Affiliation(s)
- Kaja Michalczyk
- Department of Gynecological Surgery and Gynecological Oncology of Adults and Adolescents, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Patrycja Kupnicka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Grzegorz Witczak
- Department of Gynecological Surgery and Gynecological Oncology of Adults and Adolescents, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Piotr Tousty
- Department of Obstetrics and Gynecology, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Mateusz Bosiacki
- Department of Functional Diagnostics and Physical Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Mateusz Kurzawski
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Aneta Cymbaluk-Płoska
- Department of Reconstructive Surgery and Gynecological Oncology, Pomeranian Medical University, Powstancow Wielkopolskich 72, 70-111 Szczecin, Poland
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10
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Florez-Garcia VA, Guevara-Romero EC, Hawkins MM, Bautista LE, Jenson TE, Yu J, Kalkbrenner AE. Cadmium exposure and risk of breast cancer: A meta-analysis. ENVIRONMENTAL RESEARCH 2023; 219:115109. [PMID: 36563983 PMCID: PMC9957608 DOI: 10.1016/j.envres.2022.115109] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/28/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Cadmium is a heavy metal with carcinogenic properties, highly prevalent in industrialized areas worldwide. Prior reviews evaluating whether cadmium influences breast cancer have been inconclusive and not reflected several recent studies. OBJECTIVE To evaluate the association between cadmium exposure and female breast cancer incidence, with an emphasis on separately estimating dietary vs. airborne vs. biomarker measures of cadmium and studies published until October 2022. METHODS We evaluated risk of bias using set criteria and excluded one study judged to have high risk based on self-report of breast cancer and insufficient adjustment. We conducted a random effects meta-analysis of epidemiological studies, including subgroups by exposure route and by menopausal status. RESULTS A total of 17 studies were eligible for our meta-analysis. Only 2 studies addressed airborne cadmium directly. Breast cancer risk was elevated in women exposed to higher levels of cadmium across all studies - pooled odds ratio: 1.13 (95% confidence interval: 1.00, 1.28), with notable heterogeneity between studies (I2 = 77%). When examining separately by exposure route, dietary cadmium was not linked with an elevated risk - (OR: 1.05; 95%CI: 0.91, 1.21; I2 = 69%), consistent with prior reviews, but biomarker-based studies showed an elevated but non-significant pooled measure (OR: 1.37; 95%CI: 0.96, 1.94; I2 = 84%). We did not observe any clear patterns of different risk by menopausal status. CONCLUSION Findings from our meta-analysis suggest that exposure to higher cadmium increases the risk of breast cancer in women, but with remaining questions about whether non-dietary exposure may be more risky or whether residual confounding by constituents of tobacco smoke may be at play.
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Affiliation(s)
- V A Florez-Garcia
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA; Department of Public Health. Universidad Del Norte, Barranquilla. Colombia.
| | - E C Guevara-Romero
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
| | - M M Hawkins
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA; Public Health. Carroll University College of Health Sciences. 100 N East Ave, Waukesha, WI, 53186, USA
| | - L E Bautista
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin, 610 Walnut Street, WARF 703, Madison, WI, 53726-2397, USA
| | - T E Jenson
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
| | - J Yu
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
| | - A E Kalkbrenner
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
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11
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Brasky TM, Hade EM, Cohn DE, Newton AM, Petruzella S, O'Connell K, Bertrand KA, Cook LS, De Vivo I, Du M, Freudenheim JL, Friedenreich CM, Goodman MT, Gorzelitz J, Ibiebele TI, Krogh V, Liao LM, Lipworth L, Lu L, McCann S, O'Mara TA, Palmer JR, Ponte J, Prizment A, Risch H, Sandin S, Schouten LJ, Setiawan VW, Shu XO, Trabert B, van den Brandt PA, Webb PM, Wentzensen N, Wilkens LR, Wolk A, Yu H, Neuhouser ML. Dietary omega-3 fatty acids and endometrial cancer risk in the Epidemiology of Endometrial Cancer Consortium: An individual-participant meta-analysis. Gynecol Oncol 2023; 169:137-146. [PMID: 36934308 PMCID: PMC10025515 DOI: 10.1016/j.ygyno.2022.10.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 10/10/2022] [Accepted: 10/18/2022] [Indexed: 11/04/2022]
Abstract
BACKGROUND Limited data from prospective studies suggest that higher dietary intake of long-chain omega-3 polyunsaturated fatty acids (LCn3PUFA), which hold anti-inflammatory properties, may reduce endometrial cancer risk; particularly among certain subgroups characterized by body mass and tumor pathology. MATERIALS AND METHODS Data from 12 prospective cohort studies participating in the Epidemiology of Endometrial Cancer Consortium were harmonized as nested case-control studies, including 7268 endometrial cancer cases and 26,133 controls. Habitual diet was assessed by food frequency questionnaire, from which fatty acid intakes were estimated. Two-stage individual-participant data mixed effects meta-analysis estimated adjusted odds ratios (OR) and 95% confidence intervals (CI) through logistic regression for associations between study-specific energy-adjusted quartiles of LCn3PUFA and endometrial cancer risk. RESULTS Women with the highest versus lowest estimated dietary intakes of docosahexaenoic acid, the most abundant LCn3PUFA in diet, had a 9% increased endometrial cancer risk (Quartile 4 vs. Quartile 1: OR 1.09, 95% CI: 1.01-1.19; P trend = 0.04). Similar elevated risks were observed for the summary measure of total LCn3PUFA (OR 1.07, 95% CI: 0.99-1.16; P trend = 0.06). Stratified by body mass index, higher intakes of LCn3PUFA were associated with 12-19% increased endometrial cancer risk among overweight/obese women and no increased risk among normal-weight women. Higher associations appeared restricted to White women. The results did not differ by cancer grade. CONCLUSION Higher dietary intakes of LCn3PUFA are unlikely to reduce endometrial cancer incidence; rather, they may be associated with small to moderate increases in risk in some subgroups of women, particularly overweight/obese women.
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Affiliation(s)
- Theodore M Brasky
- Department of Internal Medicine, Division of Medical Oncology, The Ohio State University College of Medicine, Columbus, OH, USA.
| | - Erinn M Hade
- Department of Internal Medicine, Division of Medical Oncology, The Ohio State University College of Medicine, Columbus, OH, USA; Department of Population Health, Division of Biostatistics, New York University Grossman School of Medicine, New York, NY, USA
| | - David E Cohn
- Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, Columbus, OH, USA
| | - Alison M Newton
- Department of Internal Medicine, Division of Medical Oncology, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Stacey Petruzella
- Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Kelli O'Connell
- Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Kimberly A Bertrand
- Slone Epidemiology Center at Boston University, Boston University School of Medicine, Boston, MA, USA
| | - Linda S Cook
- Department of Epidemiology, Colorado School of Public Health, Aurora, CO, USA
| | | | - Mengmeng Du
- Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jo L Freudenheim
- Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY, USA
| | - Christine M Friedenreich
- Cancer Epidemiology and Prevention Research, Cancer Care Alberta, Alberta Health Services, Calgary, AB, Canada; Departments of Oncology and Community Health Sciences, University of Calgary Cumming School of Medicine, Calgary, AB, Canada
| | - Marc T Goodman
- Department of Medicine, Samuel Oschin Comprehensive Cancer Institute, Cedars Sinai Medical Center, Los Angeles, CA, USA
| | - Jessica Gorzelitz
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Torukiri I Ibiebele
- Population Health Department, QIMR Berghofer Medical Research Institute, Herston, Qld, Australia
| | - Vittorio Krogh
- Fondazione IRCCS - Istituto Nazionale dei Tumori di Milan, Milan, Italy
| | - Linda M Liao
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute USA, Bethesda, MD, USA
| | - Loren Lipworth
- Department of Medicine, Division of Epidemiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Lingeng Lu
- Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA
| | - Susan McCann
- Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Tracy A O'Mara
- Computational Biology and Genetics Department, QIMR Berghofer Medical Research Institute, Herston, Qld, Australia
| | - Julie R Palmer
- Slone Epidemiology Center at Boston University, Boston University School of Medicine, Boston, MA, USA
| | - Jeanette Ponte
- Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Anna Prizment
- Department of Medicine, Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN, USA
| | - Harvey Risch
- Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA
| | - Sven Sandin
- Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden; Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Seaver Autism Center for Research and Treatment at Mount Sinai, New York, NY, USA
| | - Leo J Schouten
- Department of Epidemiology, GROW-School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Veronica Wendy Setiawan
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | - Xiao-Ou Shu
- Department of Medicine, Division of Epidemiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Britton Trabert
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA; Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, University of Utah School of Medicine and Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Piet A van den Brandt
- Department of Epidemiology, GROW-School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Penelope M Webb
- Population Health Department, QIMR Berghofer Medical Research Institute, Herston, Qld, Australia
| | - Nicolas Wentzensen
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute USA, Rockville, MD, USA
| | | | - Alicja Wolk
- Institute of Environmental Medicine, Unit of Cardiovascular and Nutritional Epidemiology, Karolinska Institute, Stockholm, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Herbert Yu
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Marian L Neuhouser
- Cancer Prevention Program, Division of Public Health Science, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
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12
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The Role of Lead and Cadmium in Gynecological Malignancies. Antioxidants (Basel) 2022; 11:antiox11122468. [PMID: 36552675 PMCID: PMC9774668 DOI: 10.3390/antiox11122468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/10/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Lead and cadmium are non-essential and toxic heavy metals. Their presence and elevated levels can lead to many pathologies. They disrupt the antioxidant properties of many enzymes, consume the resources of antioxidant cells, and thus participate in the generation of oxidative stress, which may result in DNA damage. In addition, they have been found to be carcinogenic through their genotoxic properties. They have been shown to be present in various types of cancer, including cancer of the female reproductive system. Both metals have been recognized as metalloestrogens, which are important in hormone-related cancers. Participation in the oncogenesis of ovarian, endometrial and cervical cancer was analysed in detail, using the available research in this field. We emphasize their role as potential biomarkers in cancer risk and diagnosis as well as advancement of gynaecological malignancies.
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13
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Nasiadek M, Stragierowicz J, Kilanowicz A. An Assessment of Metallothionein-Cadmium Binding in Rat Uterus after Subchronic Exposure Using a Long-Term Observation Model. Int J Mol Sci 2022; 23:15154. [PMID: 36499479 PMCID: PMC9738218 DOI: 10.3390/ijms232315154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/03/2022] Open
Abstract
Cadmium (Cd) is an environmental pollutant known to pose a public health issue. The mechanism of Cd toxicity on the uterus, including the protective role of metallothionein (MT), is still not fully understood. The aim of the study was to evaluate the degree of MT-Cd binding in the uterus of rats exposed per os to Cd at daily doses of 0.09, 0.9, 1.8 and 4.5 mg Cd/kg b.w. for 90 days. To assess the permanence of the bond, the rats were observed over long observation periods: 90 and 180 days after termination of exposure. Additionally, uterine concentration of Zn, Cu, Ca, Mg was determined. Cd leads immediately after exposure to a max. 30-fold increase in the concentration of Cd in the uterus, with only small amounts being bound to MT. After 90 days following termination of exposure, and especially after 180 days, an increase in MT-Cd concentration was noted for the three highest doses; even so, the degree of Cd binding by MT was still small. Additionally, the accumulation of Cd in the uterus disturbs the homeostasis of determined essential elements, manifested by a significant increase in Cu concentration and a decrease in Zn, Mg and Ca, especially 180 days after termination of exposure. The obtained results indicate that MT has only a slight protective role in the uterus and that Cd ions may have harmful effects not related to MT: directly on the uterine tissue, and indirectly by disturbing the homeostasis of its essential elements.
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Affiliation(s)
- Marzenna Nasiadek
- Department of Toxicology, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
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14
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Iqbal S, Ali I. Dietary Trace Element Intake and Risk of Breast Cancer: A Mini Review. Biol Trace Elem Res 2022; 200:4936-4948. [PMID: 35015245 DOI: 10.1007/s12011-021-03089-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/27/2021] [Indexed: 11/02/2022]
Abstract
Trace elements are essentially required for various physiological and metabolic functions, and any disturbance in the trace elements homeostasis may result in the development of chronic diseases including breast cancer. Breast cancer is the most prevalent cancer type reported in women equally affecting both the high-income and low-income countries. This review therefore aimed to evaluate the impact of dietary trace element intake in relation to the incidence of breast cancer. We focused on five trace elements, thus emphasizing dietary selenium, zinc, iron, copper, and cadmium intake and risk of breast cancer. A systematic approach was applied to perform this review through entering a search term in PubMed and Scopus databases. A total of 24 articles were included after meeting the inclusion and exclusion criteria. Most of the studies regarding dietary iron intake showed a detrimental effect of increased dietary heme iron on breast cancer incidence risk. In addition, there is a limited evidence of high dietary intake of selenium and zinc to reduce the risk of breast cancer. Also, a few studies showed a relationship between high cadmium consumption and risk of breast cancer. More studies related to cadmium and copper exposure are needed to confirm this relationship. As a result, the findings of this review suggested that high dietary heme iron is a potential risk factor for breast cancer.
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Affiliation(s)
- Sehar Iqbal
- NUMS Department of Nutrition and Dietetics, National University of Medical Sciences, PWD Campus, Police Foundation Road, Islamabad, Pakistan.
| | - Inayat Ali
- Department of Social and Cultural Anthropology, University of Vienna, Universitätsstrasse 7, 1010, Vienna, Austria
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15
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Chang CJ, O’Brien KM, Keil AP, Gaston SA, Jackson CL, Sandler DP, White AJ. Use of Straighteners and Other Hair Products and Incident Uterine Cancer. J Natl Cancer Inst 2022; 114:1636-1645. [PMID: 36245087 PMCID: PMC9949582 DOI: 10.1093/jnci/djac165] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/26/2022] [Accepted: 08/23/2022] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Hair products may contain hazardous chemicals with endocrine-disrupting and carcinogenic properties. Previous studies have found hair product use to be associated with a higher risk of hormone-sensitive cancers including breast and ovarian cancer; however, to our knowledge, no previous study has investigated the relationship with uterine cancer. METHODS We examined associations between hair product use and incident uterine cancer among 33 947 Sister Study participants aged 35-74 years who had a uterus at enrollment (2003-2009). In baseline questionnaires, participants in this large, racially and ethnically diverse prospective cohort self-reported their use of hair products in the prior 12 months, including hair dyes; straighteners, relaxers, or pressing products; and permanents or body waves. We estimated adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) to quantify associations between hair product use and uterine cancer using Cox proportional hazard models. All statistical tests were 2-sided. RESULTS Over an average of 10.9 years of follow-up, 378 uterine cancer cases were identified. Ever vs never use of straightening products in the previous 12 months was associated with higher incident uterine cancer rates (HR = 1.80, 95% CI = 1.12 to 2.88). The association was stronger when comparing frequent use (>4 times in the past 12 months) vs never use (HR = 2.55, 95% CI = 1.46 to 4.45; Ptrend = .002). Use of other hair products, including dyes and permanents or body waves, was not associated with incident uterine cancer. CONCLUSION These findings are the first epidemiologic evidence of association between use of straightening products and uterine cancer. More research is warranted to replicate our findings in other settings and to identify specific chemicals driving this observed association.
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Affiliation(s)
- Che-Jung Chang
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Katie M O’Brien
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Alexander P Keil
- Department of Epidemiology, University of North Carolina, Chapel Hill, NC, USA
| | - Symielle A Gaston
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Chandra L Jackson
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA,Intramural Research Program, National Institute on Minority Health and Health Disparities, Bethesda, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Alexandra J White
- Correspondence to: Alexandra J. White, PhD, MSPH, Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709-2233 USA (e-mail: )
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16
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Schaefer HR, Flannery BM, Crosby L, Jones-Dominic OE, Punzalan C, Middleton K. A systematic review of adverse health effects associated with oral cadmium exposure. Regul Toxicol Pharmacol 2022; 134:105243. [PMID: 35981600 DOI: 10.1016/j.yrtph.2022.105243] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 10/15/2022]
Abstract
Scientific data characterizing the adverse health effects associated with dietary cadmium (Cd) exposure were identified in order to make informed decisions about the most appropriate toxicological reference value (TRV) for use in assessing dietary Cd exposure. Several TRVs are available for Cd and regulatory organizations have used epidemiologic studies to derive these reference values; however, risk of bias (RoB) evaluations were not included in the assessments. We performed a systematic review by conducting a thorough literature search (through January 4, 2020). There were 1714 references identified by the search strings and 328 studies identified in regulatory assessments. After applying the specific inclusion and exclusion criteria, 208 studies (Human: 105, Animal: 103) were considered eligible for further review and data extraction. For the epidemiologic and animal studies, the critical effects identified for oral Cd exposure from the eligible studies were a decrease in bone mineral density (BMD) and renal tubular degeneration. A RoB analysis was completed for 49 studies (30 epidemiological and 19 animal) investigating these endpoints. The studies identified through the SR that were considered high quality and low RoB (2 human and 5 animal) can be used to characterize dose-response relationships and inform the derivation of a Cd TRV.
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Affiliation(s)
- Heather R Schaefer
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA.
| | - Brenna M Flannery
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Lynn Crosby
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Olivia E Jones-Dominic
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Cecile Punzalan
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Karlyn Middleton
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
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17
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Zhou J, Zhang Y, Zeng L, Wang X, Mu H, Wang M, Pan H, Su P. Paternal cadmium exposure affects testosterone synthesis by reducing the testicular cholesterol pool in offspring mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 242:113947. [PMID: 35999762 DOI: 10.1016/j.ecoenv.2022.113947] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/12/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Cadmium(Cd) is a heavy metal that is harmful to human health. Early studies have shown that cadmium can damage testicular structure, affecting testosterone synthesis and spermatogenesis. However, the effect of paternal Cd exposure on the reproductive system of offspring remains unclear. In this study, male 8-week C57BL/6 J mice were used as research objects, and Cd was injected intraperitoneally every other day at a dose of 1 mg/kg for 5 weeks, after which the effect on the reproductive system of offspring male mice was studied. Our results showed that the body weight of the offspring male mice increased faster, with increases of the testicular and epididymis indices under Cd exposure. At the same time, the serum testosterone and free cholesterol decreased, total cholesterol increased, and the sperm concentration decreased. Further qRT-PCR and western blot analyses showed that the expressions of StAR, P450scc, 3β-HSD and 17β-HSD, which are related to testosterone synthesis, was significantly downregulated. Additionally, ATGL, LDLR and SR-BI, which are related to the intracellular cholesterol pool were downregulated, leading to the reduction of the cholesterol pool and the accumulation of lipid droplets. Oil red O and BODIPY staining revealed an increase in the abundance of lipid droplets in testicular tissue of newborn and adult mice. Prediction of tsRNA target genes in the sperm of parents and testicular transcriptome of newborn mice showed that the differentially expressed genes were associated with catabolism of fatty acids, cholesterol and ion channels, while the mitochondrial and lysosome functions of testicular tissue of adult offspring mice were decreased. Overall, our results suggest that paternal Cd exposure reduced the intracellular cholesterol pool of testicular of offspring, affected testosterone synthesis and reproductive system development.
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Affiliation(s)
- Jinzhao Zhou
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Yanwei Zhang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Ling Zeng
- Medical Genetics Center, Maternal and Child Health Hospital of Hubei Province, Wuhan, China.
| | - Xiaofei Wang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Hongbei Mu
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Mei Wang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Hao Pan
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and echnology, Wuhan, China.
| | - Ping Su
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Wuhan Tongji Reproductive Medicine Hospital, Wuhan, China.
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18
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Koch W, Czop M, Iłowiecka K, Nawrocka A, Wiącek D. Dietary Intake of Toxic Heavy Metals with Major Groups of Food Products-Results of Analytical Determinations. Nutrients 2022; 14:1626. [PMID: 35458187 PMCID: PMC9029343 DOI: 10.3390/nu14081626] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/07/2022] [Accepted: 04/10/2022] [Indexed: 11/17/2022] Open
Abstract
Food contains a complex matrix of various substances, including essential nutrients, non-nutritive substances, and toxins, including metals. The main purpose of the study was to evaluate the contribution of major groups of food products to an overall intake of toxic heavy metals (Cd, Pb, Hg, and Ni) using a combination of the 24-dietary recall technique, the ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry) method, and chemometric tools. The obtained results reveal that there is a high potential risk of developing nephrotoxicity through the dietary intake of Pb in the case of both genders. The dietary intake determined for other elements (Cd, Hg, and Ni) was far below the limits established by European Food Safety Authority (EFSA). Principal Component Analysis (PCA) supported analytical determinations and revealed that cereals and vegetables were major contributors to a total intake of Cd (39.6 and 17.4% of the total exposure, respectively), Ni (40.4 and 19.3%), and Hg (16.8 and 19.6%), while water and beverages were major dietary sources of Pb (31% of the total daily intake). In contrast, eggs, fats and oils, and milk and dairy products provided the smallest amounts of Cd, Pb, and Ni. Despite containing high amounts of Hg, considering very low consumption, fish were not found to be an important source of this element.
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Affiliation(s)
- Wojciech Koch
- Department of Food and Nutrition, Medical University of Lublin, 4a Chodźki Str., 20-093 Lublin, Poland
| | - Marcin Czop
- Department of Clinical Genetics, Medical University of Lublin, 11 Radziwiłłowska Str., 20-080 Lublin, Poland
| | - Katarzyna Iłowiecka
- Department of Food and Nutrition, Medical University of Lublin, 4a Chodźki Str., 20-093 Lublin, Poland
| | - Agnieszka Nawrocka
- Institute of Agrophysics, Polish Academy of Sciences, 4 Doświadczalna Str., 20-290 Lublin, Poland
| | - Dariusz Wiącek
- Institute of Agrophysics, Polish Academy of Sciences, 4 Doświadczalna Str., 20-290 Lublin, Poland
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19
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Kateryna T, Monika L, Beata J, Joanna R, Edyta R, Marcin B, Agnieszka KW, Ewa J. Cadmium and breast cancer – current state and research gaps in the underlying mechanisms. Toxicol Lett 2022; 361:29-42. [DOI: 10.1016/j.toxlet.2022.03.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 02/04/2022] [Accepted: 03/17/2022] [Indexed: 01/02/2023]
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20
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Andersson EM, Sandsveden M, Forsgard N, Sallsten G, Manjer J, Engström G, Barregard L. Is Cadmium a Risk Factor for Breast Cancer - Results from a Nested Case-Control Study Using Data from the Malmö Diet and Cancer Study. Cancer Epidemiol Biomarkers Prev 2021; 30:1744-1752. [PMID: 34244159 DOI: 10.1158/1055-9965.epi-21-0181] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/06/2021] [Accepted: 06/17/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Some studies have shown that cadmium (Cd) is associated with breast cancer risk. One hypothesis is that Cd has estrogen-like properties. This case-control study investigated the association between breast cancer risk and blood Cd (BCd) levels. METHODS All breast cancers in the Malmö Diet and Cancer cohort were identified through linkage to the Swedish Cancer Registry, baseline (1991-1996) through 2014. Two controls per case were selected from the same cohort. BCd was analyzed at baseline. Associations were analyzed using logistic regression. RESULTS Mean BCd was 0.51 μg/L among 1,274 cases and 0.46 among 2,572 controls. There was an overall increased risk of breast cancer [OR, 1.18; 95% confidence interval (CI), 1.05-1.36] per μg/L of BCd. An increased risk was, however, only found at high BCd [OR, 1.34 (95% CI, 1.05-1.73)] for BCd more than 1.20 μg/L. The group with the highest BCd was mainly smokers. A spline indicated that at BCd less than 1.0 μg/L, the OR was not increased. The association with BCd was stronger in current smokers and at body mass index (BMI) above 25, while no modification due to receptor status was found. CONCLUSIONS The results indicated increased risk of breast cancer only for high Cd exposure, which occurred mainly among smokers. This made it difficult to disentangle the effects of smoking and Cd, despite inclusion of smoking habits in the models. IMPACT This study provides support for reducing Cd exposure through smoking cessation and dietary choice. On the population level, preventive measures against Cd pollution are warranted.
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Affiliation(s)
- Eva M Andersson
- Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden. .,Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Malte Sandsveden
- Department of Surgery, Skåne University Hospital Malmö, Lund University, Malmö, Sweden
| | - Niklas Forsgard
- Department of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Gerd Sallsten
- Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Jonas Manjer
- Department of Clinical Science in Malmö, Lund University, Malmö, Sweden
| | - Gunnar Engström
- Department of Clinical Science in Malmö, Lund University, Malmö, Sweden
| | - Lars Barregard
- Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.,Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
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21
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Hao W, Zhao H, Li Z, Li J, Guo J, Chen Q, Gao Y, Ren M, Zhao X, Yue W. Identification of potential markers for differentiating epithelial ovarian cancer from ovarian low malignant potential tumors through integrated bioinformatics analysis. J Ovarian Res 2021; 14:46. [PMID: 33726773 PMCID: PMC7968266 DOI: 10.1186/s13048-021-00794-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 03/05/2021] [Indexed: 01/10/2023] Open
Abstract
Background Epithelial ovarian cancer (EOC), as a lethal malignancy in women, is often diagnosed as advanced stages. In contrast, intermediating between benign and malignant tumors, ovarian low malignant potential (LMP) tumors show a good prognosis. However, the differential diagnosis of the two diseases is not ideal, resulting in delays or unnecessary therapies. Therefore, unveiling the molecular differences between LMP and EOC may contribute to differential diagnosis and novel therapeutic and preventive policies development for EOC. Methods In this study, three microarray data (GSE9899, GSE57477 and GSE27651) were used to explore the differentially expressed genes (DEGs) between LMP and EOC samples. Then, 5 genes were screened by protein–protein interaction (PPI) network, receiver operating characteristic (ROC), survival and Pearson correlation analysis. Meanwhile, chemical-core gene network construction was performed to identify the potential drugs or risk factors for EOC based on 5 core genes. Finally, we also identified the potential function of the 5 genes for EOC through pathway analysis. Results Two hundred thirty-four DEGs were successfully screened, including 81 up-regulated genes and 153 down-regulated genes. Then, 5 core genes (CCNB1, KIF20A, ASPM, AURKA, and KIF23) were identified through PPI network analysis, ROC analysis, survival and Pearson correlation analysis, which show better diagnostic efficiency and higher prognostic value for EOC. Furthermore, NetworkAnalyst was used to identify top 15 chemicals that link with the 5 core genes. Among them, 11 chemicals were potential drugs and 4 chemicals were risk factors for EOC. Finally, we found that all 5 core genes mainly regulate EOC development via the cell cycle pathway by the bioinformatic analysis. Conclusion Based on an integrated bioinformatic analysis, we identified potential biomarkers, risk factors and drugs for EOC, which may help to provide new ideas for EOC diagnosis, condition appraisal, prevention and treatment in future. Supplementary Information The online version contains supplementary material available at 10.1186/s13048-021-00794-0.
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Affiliation(s)
- Wende Hao
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Hongyu Zhao
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Zhefeng Li
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Jie Li
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Jiahao Guo
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Qi Chen
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Yan Gao
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Meng Ren
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China
| | - Xiaoting Zhao
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China.
| | - Wentao Yue
- Central Laboratory, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, 100026, China.
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22
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Razak MR, Aris AZ, Zakaria NAC, Wee SY, Ismail NAH. Accumulation and risk assessment of heavy metals employing species sensitivity distributions in Linggi River, Negeri Sembilan, Malaysia. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 211:111905. [PMID: 33453636 DOI: 10.1016/j.ecoenv.2021.111905] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/28/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
The constant increase of heavy metals into the aqueous environment has become a contemporary global issue of concern to government authorities and the public. The study assesses the concentration, distribution, and risk assessment of heavy metals in freshwater from the Linggi River, Negeri Sembilan, Malaysia. Species sensitivity distribution (SSD) was utilised to calculate the cumulative probability distribution of toxicity from heavy metals. The aquatic organism's toxicity data obtained from the ECOTOXicology knowledgebase (ECOTOX) was used to estimate the predictive non-effects concentration (PNEC). The decreasing sequence of hazardous concentration (HC5) was manganese > aluminium > copper > lead > arsenic > cadmium > nickel > zinc > selenium, respectively. The highest heavy metal concentration was iron with a mean value of 45.77 μg L-1, followed by manganese (14.41 μg L-1) and aluminium (11.72 μg L-1). The mean heavy metal pollution index (HPI) value in this study is 11.52, implying low-level heavy metal pollutions in Linggi River. The risk quotient (RQ) approaches were applied to assess the potential risk of heavy metals. The RQ shows a medium risk of aluminium (RQm = 0.1125) and zinc (RQm = 0.1262); a low risk of arsenic (RQm = 0.0122) and manganese (RQm = 0.0687); and a negligible risk of cadmium (RQm = 0.0085), copper (RQm = 0.0054), nickel (RQm = 0.0054), lead (RQm = 0.0016) and selenium (RQm = 0.0012). The output of this study produces comprehensive pollution risk, thus provides insights for the legislators regarding exposure management and mitigation.
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Affiliation(s)
- Muhammad Raznisyafiq Razak
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Ahmad Zaharin Aris
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; International Institute of Aquaculture and Aquatic Sciences, Universiti Putra Malaysia, 71050 Port Dickson, Negeri Sembilan, Malaysia.
| | - Nurul Amirah Che Zakaria
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Sze Yee Wee
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Nur Afifah Hanun Ismail
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
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23
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Saintilnord WN, Tenlep SYN, Preston JD, Duregon E, DeRouchey JE, Unrine JM, de Cabo R, Pearson KJ, Fondufe-Mittendorf YN. Chronic Exposure to Cadmium Induces Differential Methylation in Mice Spermatozoa. Toxicol Sci 2021; 180:262-276. [PMID: 33483743 PMCID: PMC8041459 DOI: 10.1093/toxsci/kfab002] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Cadmium exposure is ubiquitous and has been linked to diseases including cancers and reproductive defects. Since cadmium is nonmutagenic, it is thought to exert its gene dysregulatory effects through epigenetic reprogramming. Several studies have implicated germline exposure to cadmium in developmental reprogramming. However, most of these studies have focused on maternal exposure, while the impact on sperm fertility and disease susceptibility has received less attention. In this study, we used reduced representation bisulfite sequencing to comprehensively investigate the impact of chronic cadmium exposure on mouse spermatozoa DNA methylation. Adult male C57BL/J6 mice were provided water with or without cadmium chloride for 9 weeks. Sperm, testes, liver, and kidney tissues were collected at the end of the treatment period. Cadmium exposure was confirmed through gene expression analysis of metallothionein-1 and 2, 2 well-known cadmium-induced genes. Analysis of sperm DNA methylation changes revealed 1788 differentially methylated sites present at regulatory regions in sperm of mice exposed to cadmium compared with vehicle (control) mice. Furthermore, most of these differential methylation changes positively correlated with changes in gene expression at both the transcription initiation stage as well as the splicing levels. Interestingly, the genes targeted by cadmium exposure are involved in several critical developmental processes. Our results present a comprehensive analysis of the sperm methylome in response to chronic cadmium exposure. These data, therefore, highlight a foundational framework to study gene expression patterns that may affect fertility in the exposed individual as well as their offspring, through paternal inheritance.
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Affiliation(s)
- Wesley N Saintilnord
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, Kentucky 40536-0509, USA
| | - Sara Y N Tenlep
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky 40536-0509, USA
| | - Joshua D Preston
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky 40536-0509, USA,Emory University School of Medicine, Atlanta, Georgia 30322, USA
| | - Eleonora Duregon
- Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 20892, USA
| | - Jason E DeRouchey
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40536-0509, USA
| | - Jason M Unrine
- Department of Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky 40536-0509, USA
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 20892, USA
| | - Kevin J Pearson
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, Kentucky 40536-0509, USA,To whom correspondence should be addressed at Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY 40536-0509, USA. E-mail: ; Department of Molecular and Cellular Biochemistry, University of Kentucky, 800 Rose Street, 273 BBSRB, Lexington, KY 40536-0509, USA. E-mail:
| | - Yvonne N Fondufe-Mittendorf
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, Kentucky 40536-0509, USA,To whom correspondence should be addressed at Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY 40536-0509, USA. E-mail: ; Department of Molecular and Cellular Biochemistry, University of Kentucky, 800 Rose Street, 273 BBSRB, Lexington, KY 40536-0509, USA. E-mail:
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24
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Filippini T, Torres D, Lopes C, Carvalho C, Moreira P, Naska A, Kasdagli MI, Malavolti M, Orsini N, Vinceti M. Cadmium exposure and risk of breast cancer: A dose-response meta-analysis of cohort studies. ENVIRONMENT INTERNATIONAL 2020; 142:105879. [PMID: 32599354 DOI: 10.1016/j.envint.2020.105879] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 05/28/2020] [Accepted: 06/04/2020] [Indexed: 05/25/2023]
Abstract
BACKGROUND Cadmium is a toxic heavy metal that has been implicated in breast cancer etiology, albeit with inconsistent results. OBJECTIVE To investigate the shape of the relation between cadmium exposure and breast cancer incidence and mortality in cohort studies. DATA SOURCES Following a literature search through April 14, 2020, we carried out a systematic review and dose-response meta-analysis to investigate the shape of the relation between cadmium exposure (assessed either through diet or urine excretion) and disease incidence and mortality. STUDY ELIGIBILITY CRITERIA For inclusion, a study had to report incidence or mortality for breast cancer according to baseline cadmium exposure category; be a prospective cohort, case-cohort or nested case-control study with a minimum one-year follow-up, and reporting effect estimates for all exposure categories. STUDY APPRAISAL AND SYNTHESIS METHODS Studies were evaluated using the ROBINS-E risk of bias tool. The effects in humans were assessed quantitatively using one-stage dose-response meta-analysis in a random effects meta-analytical model. RESULTS We identified 10 studies eligible for inclusion in the dose-response meta-analysis, six based on cadmium dietary intake, and four on urinary excretion levels. We found a marginal and imprecise positive relation between dietary cadmium intake and breast cancer, and no association when urinary cadmium excretion was used for exposure assessment. Compared to no exposure, at 20 µg/day of cadmium intake the summary risk ratio was 1.12 (95% confidence interval 0.80-1.56), while at 2 µg/g creatinine of cadmium excretion the summary risk ratio was 0.89 (95% confidence interval 0.38-2.14). Analysis restricted to post-menopausal women showed no association between either dietary or urinary cadmium and subsequent breast cancer incidence and mortality. LIMITATIONS AND CONCLUSIONS Overall, we found scant evidence of a positive association between cadmium and breast cancer. Available data were too limited to carry out stratified analyses according to age, smoking and hormone receptor status. Therefore, possible associations between cadmium exposure and breast cancer in selected subgroups cannot be entirely ruled out.
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Affiliation(s)
- Tommaso Filippini
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Duarte Torres
- EPIUnit - Institute of Public Health, University of Porto, Porto, Portugal; Faculty of Food and Nutrition Sciences, University of Porto, Porto, Portugal
| | - Carla Lopes
- EPIUnit - Institute of Public Health, University of Porto, Porto, Portugal; Department of Public Health and Forensic Sciences, and Medical Education, Unit of Epidemiology, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Catarina Carvalho
- EPIUnit - Institute of Public Health, University of Porto, Porto, Portugal; Faculty of Food and Nutrition Sciences, University of Porto, Porto, Portugal
| | - Pedro Moreira
- EPIUnit - Institute of Public Health, University of Porto, Porto, Portugal; Faculty of Food and Nutrition Sciences, University of Porto, Porto, Portugal
| | - Androniki Naska
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Greece
| | - Maria-Iosifina Kasdagli
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Greece
| | - Marcella Malavolti
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Nicola Orsini
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
| | - Marco Vinceti
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy; Department of Epidemiology, Boston University School of Public Health, Boston, USA.
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25
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Khodavandi A, Alizadeh F, Razis AFA. Association between dietary intake and risk of ovarian cancer: a systematic review and meta-analysis. Eur J Nutr 2020; 60:1707-1736. [PMID: 32661683 DOI: 10.1007/s00394-020-02332-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 07/07/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE It is unclear how dietary intake influences the ovarian cancer. The present paper sets out to systematically review and meta-analyze research on dietary intake to identify cases having high- or low-risk ovarian cancer. METHODS Scopus, PubMed, and Wiley Online Libraries were searched up to the date November 24, 2019. Two reviewers were requested to independently extract study characteristics and to assess the bias and applicability risks with reference to the study inclusion criteria. Meta-analyses were performed to specify the relationship between dietary intake and the risk of ovarian cancer identifying 97 cohort studies. RESULTS No significant association was found between dietary intake and risk of ovarian cancer. The results of subgroup analyses indicated that green leafy vegetables (RR = 0.91, 95%, 0.85-0.98), allium vegetables (RR = 0.79, 95% CI 0.64-0.96), fiber (RR = 0.89, 95% CI 0.81-0.98), flavonoids (RR = 0.83, 95% CI 0.78-0.89) and green tea (RR = 0.61, 95% CI 0.49-0.76) intake could significantly reduce ovarian cancer risk. Total fat (RR = 1.10, 95% CI 1.02-1.18), saturated fat (RR = 1.11, 95% CI 1.01-1.22), saturated fatty acid (RR = 1.19, 95% CI 1.04-1.36), cholesterol (RR = 1.13, 95% CI 1.04-1.22) and retinol (RR = 1.14, 95% CI 1.00-1.30) intake could significantly increase ovarian cancer risk. In addition, acrylamide, nitrate, water disinfectants and polychlorinated biphenyls were significantly associated with an increased risk of ovarian cancer. CONCLUSION These results could support recommendations to green leafy vegetables, allium vegetables, fiber, flavonoids and green tea intake for ovarian cancer prevention.
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Affiliation(s)
- Alireza Khodavandi
- Department of Biology, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran
| | - Fahimeh Alizadeh
- Department of Microbiology, Yasooj Branch, Islamic Azad University, Yasooj, Iran
| | - Ahmad Faizal Abdull Razis
- Laboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia. .,Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia. .,Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
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26
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Adani G, Filippini T, Wise LA, Halldorsson TI, Blaha L, Vinceti M. Dietary Intake of Acrylamide and Risk of Breast, Endometrial, and Ovarian Cancers: A Systematic Review and Dose-Response Meta-analysis. Cancer Epidemiol Biomarkers Prev 2020; 29:1095-1106. [PMID: 32169997 DOI: 10.1158/1055-9965.epi-19-1628] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/25/2020] [Accepted: 03/10/2020] [Indexed: 11/16/2022] Open
Abstract
Acrylamide is a probable human carcinogen. Aside from occupational exposures and smoking, diet is the main source of exposure in humans. We performed a systematic review of the association between estimated dietary intake of acrylamide and risk of female breast, endometrial, and ovarian cancers in nonexperimental studies published through February 25, 2020, and conducted a dose-response meta-analysis. We identified 18 papers covering 10 different study populations: 16 cohort and two case-control studies. Acrylamide intake was associated with a slightly increased risk of ovarian cancer, particularly among never smokers. For endometrial cancer, risk was highest at intermediate levels of exposure, whereas the association was more linear and positive among never smokers. For breast cancer, we found evidence of a null or inverse relation between exposure and risk, particularly among never smokers and postmenopausal women. In a subgroup analysis limited to premenopausal women, breast cancer risk increased linearly with acrylamide intake starting at 20 μg/day of intake. High acrylamide intake was associated with increased risks of ovarian and endometrial cancers in a relatively linear manner, especially among never smokers. Conversely, little association was observed between acrylamide intake and breast cancer risk, with the exception of premenopausal women.
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Affiliation(s)
- Giorgia Adani
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Tommaso Filippini
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Lauren A Wise
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts
| | - Thorhallur I Halldorsson
- Centre for Fetal Programming, Department of Epidemiology Research, Copenhagen, Denmark.,Unit for Nutrition Research, Faculty of Food Science and Nutrition, University of Iceland, Reykjavík, Iceland
| | - Ludek Blaha
- Masaryk University, Faculty of Science, RECETOX, Brno, Czech Republic
| | - Marco Vinceti
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy. .,Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts
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27
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Wojtczyk-Miaskowska A, Schlichtholz B. Tobacco carcinogens and the methionine metabolism in human bladder cancer. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2019; 782:108281. [PMID: 31843138 DOI: 10.1016/j.mrrev.2019.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 04/29/2019] [Accepted: 06/03/2019] [Indexed: 01/08/2023]
Abstract
Cigarette smoking is a strong risk factor for bladder cancer. It has been shown that the duration of smoking is associated with a poor prognosis and a higher risk of recurrence. This is due to tobacco carcinogens forming adducts with DNA and proteins that participate in the DNA repair mechanisms. Additionally, polymorphisms of genes responsible for methyl group transfer in the methionine cycle and dosages of vitamins (from diet and supplements) can cause an increased risk of bladder cancer. Upregulated DNA methyltransferase 1 expression and activity results in a high level of methylated products of metabolism, as well as hypermethylation of tumor suppressor genes. The development of a market that provides new inhibitors of DNA methyltransferase or alternatives for current smokers is essential not only for patients but also for people who are under the danger of secondhand smoking and can experience its long-term exposure consequences.
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Affiliation(s)
- A Wojtczyk-Miaskowska
- Department of Biochemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland.
| | - B Schlichtholz
- Department of Biochemistry, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland
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28
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Terry MB, Michels KB, Brody JG, Byrne C, Chen S, Jerry DJ, Malecki KMC, Martin MB, Miller RL, Neuhausen SL, Silk K, Trentham-Dietz A. Environmental exposures during windows of susceptibility for breast cancer: a framework for prevention research. Breast Cancer Res 2019; 21:96. [PMID: 31429809 PMCID: PMC6701090 DOI: 10.1186/s13058-019-1168-2] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background The long time from exposure to potentially harmful chemicals until breast cancer occurrence poses challenges for designing etiologic studies and for implementing successful prevention programs. Growing evidence from animal and human studies indicates that distinct time periods of heightened susceptibility to endocrine disruptors exist throughout the life course. The influence of environmental chemicals on breast cancer risk may be greater during several windows of susceptibility (WOS) in a woman’s life, including prenatal development, puberty, pregnancy, and the menopausal transition. These time windows are considered as specific periods of susceptibility for breast cancer because significant structural and functional changes occur in the mammary gland, as well as alterations in the mammary micro-environment and hormone signaling that may influence risk. Breast cancer research focused on these breast cancer WOS will accelerate understanding of disease etiology and prevention. Main text Despite the plausible heightened mechanistic influences of environmental chemicals on breast cancer risk during time periods of change in the mammary gland’s structure and function, most human studies of environmental chemicals are not focused on specific WOS. This article reviews studies conducted over the past few decades that have specifically addressed the effect of environmental chemicals and metals on breast cancer risk during at least one of these WOS. In addition to summarizing the broader evidence-base specific to WOS, we include discussion of the NIH-funded Breast Cancer and the Environment Research Program (BCERP) which included population-based and basic science research focused on specific WOS to evaluate associations between breast cancer risk and particular classes of endocrine-disrupting chemicals—including polycyclic aromatic hydrocarbons, perfluorinated compounds, polybrominated diphenyl ethers, and phenols—and metals. We outline ways in which ongoing transdisciplinary BCERP projects incorporate animal research and human epidemiologic studies in close partnership with community organizations and communication scientists to identify research priorities and effectively translate evidence-based findings to the public and policy makers. Conclusions An integrative model of breast cancer research is needed to determine the impact and mechanisms of action of endocrine disruptors at different WOS. By focusing on environmental chemical exposure during specific WOS, scientists and their community partners may identify when prevention efforts are likely to be most effective.
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Affiliation(s)
- Mary Beth Terry
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 1611, New York, NY, 10032, USA
| | - Karin B Michels
- Department of Epidemiology, Fielding School of Public Health, University of California, 650 Charles E. Young Drive South, CHS 71-254, Los Angeles, CA, 90095, USA
| | | | - Celia Byrne
- Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road A-1039F, Bethesda, MD, 20814, USA
| | - Shiuan Chen
- Department of Cancer Biology, Beckman Research Institute of City of Hope, 1450 E. Duarte Road, Duarte, CA, 91010, USA
| | - D Joseph Jerry
- Pioneer Valley Life Sciences Institute and Department of Veterinary & Animal Sciences, University of Massachusetts Amherst, 661 North Pleasant St., Amherst, MA, 01003, USA
| | - Kristen M C Malecki
- Department of Population Health Sciences and the Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, 610 Walnut St., WARF Room 605, Madison, WI, 53726, USA
| | - Mary Beth Martin
- Departments of Oncology and Biochemistry & Molecular Biology, Georgetown University Medical Center, E411 New Research Building, Washington, DC, 20057, USA
| | - Rachel L Miller
- Departments of Medicine, Pediatrics, Environmental Health Sciences; Vagelos College of Physicians and Surgeons, Mailman School of Public Health, Columbia University, PH8E-101B, 630 W. 168th St, New York, NY, 10032, USA
| | - Susan L Neuhausen
- Department of Population Sciences, Beckman Research Institute of City of Hope, 1450 E. Duarte Road, 1500 E. Duarte Road, Duarte, CA, 91010, USA
| | - Kami Silk
- Department of Communication, University of Delaware, 250 Pearson Hall, 125 Academy St, Newark, DE, 19716, USA
| | - Amy Trentham-Dietz
- Department of Population Health Sciences and Carbone Cancer Center, School of Medicine and Public Health, University of Wisconsin-Madison, 610 Walnut St., WARF Room 307, Madison, WI, 53726, USA.
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29
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González N, Calderón J, Rúbies A, Timoner I, Castell V, Domingo JL, Nadal M. Dietary intake of arsenic, cadmium, mercury and lead by the population of Catalonia, Spain: Analysis of the temporal trend. Food Chem Toxicol 2019; 132:110721. [PMID: 31362088 DOI: 10.1016/j.fct.2019.110721] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 07/25/2019] [Accepted: 07/26/2019] [Indexed: 12/18/2022]
Abstract
In 2017, a monitoring study was conducted in Catalonia (Spain) to analyse, in widely consumed foodstuffs, the concentrations of arsenic (As), cadmium (Cd), mercury (Hg) and lead (Pb), as well as those of inorganic As (InAs) and methylmercury (MeHg). Health risks were estimated for various population groups, classified according to age. A continued reduction of dietary exposure to these elements was observed when comparing the results from the current and previous studies performed during the last 17 years. This reduction would be associated to a decrease of As, Cd, Hg and Pb concentrations in food, as well as by changes in dietary habits. None of the adult groups exceeded the safety threshold established by the EFSA, but toddlers, infants and children exceeded the PTWI for Cd and MeHg. The greatest intake of Cd and MeHg corresponded to infants, being due to the consumption of cuttlefish and hake. The consumption of these species should be reduced to two or three weekly portions, being combined with the intake of other non-predator species. Anyhow, the current results indicate that is necessary to conduct further periodical surveys, paying special attention to the trend in the intake of Cd and MeHg.
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Affiliation(s)
- Neus González
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
| | - Josep Calderón
- Laboratory of the Public Health Agency of Barcelona, Chemistry, Avda. Drassanes 13-15, 08001, Barcelona, Catalonia, Spain
| | - Antoni Rúbies
- Laboratory of the Public Health Agency of Barcelona, Chemistry, Avda. Drassanes 13-15, 08001, Barcelona, Catalonia, Spain
| | - Isabel Timoner
- Catalan Food Safety Agency, Department of Health, Generalitat de Catalunya, Roc Boronat 81-95, 08005, Barcelona, Catalonia, Spain
| | - Victòria Castell
- Catalan Food Safety Agency, Department of Health, Generalitat de Catalunya, Roc Boronat 81-95, 08005, Barcelona, Catalonia, Spain
| | - José L Domingo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain
| | - Martí Nadal
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201, Reus, Catalonia, Spain.
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30
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Rocco SA, Koneva L, Middleton LYM, Thong T, Solanki S, Karram S, Nambunmee K, Harris C, Rozek LS, Sartor MA, Shah YM, Colacino JA. Cadmium Exposure Inhibits Branching Morphogenesis and Causes Alterations Consistent With HIF-1α Inhibition in Human Primary Breast Organoids. Toxicol Sci 2019; 164:592-602. [PMID: 29741670 DOI: 10.1093/toxsci/kfy112] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Developmental cadmium exposure in vivo disrupts mammary gland differentiation, while exposure of breast cell lines to cadmium causes invasion consistent with the epithelial-mesenchymal transition (EMT). The effects of cadmium on normal human breast stem cells have not been measured. Here, we quantified the effects of cadmium exposure on reduction mammoplasty patient-derived breast stem cell proliferation and differentiation. Using the mammosphere assay and organoid formation in 3D hydrogels, we tested 2 physiologically relevant doses of cadmium, 0.25 and 2.5 µM, and tested for molecular alterations using RNA-seq. We functionally validated our RNA-seq findings with a hypoxia-inducible factor (HIF)-1α activity reporter line and pharmaceutical inhibition of HIF-1α in organoid formation assays. 2.5 µM cadmium reduced primary mammosphere formation and branching structure organoid formation rates by 33% and 87%, respectively. Despite no changes in mammosphere formation, 0.25 µM cadmium inhibited branching organoid formation in hydrogels by 73%. RNA-seq revealed cadmium downregulated genes associated with extracellular matrix formation and EMT, while upregulating genes associated with metal response including metallothioneins and zinc transporters. In the RNA-seq data, cadmium downregulated HIF-1α target genes including LOXL2, ZEB1, and VIM. Cadmium significantly inhibited HIF-1α activity in a luciferase assay, and the HIF-1α inhibitor acriflavine ablated mammosphere and organoid formation. These findings show that cadmium, at doses relevant to human exposure, inhibited human mammary stem cell proliferation and differentiation, potentially through disruption of HIF-1α activity.
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Affiliation(s)
- Sabrina A Rocco
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029
| | - Lada Koneva
- Department of Computational Medicine and Bioinformatics
| | - Lauren Y M Middleton
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029
| | - Tasha Thong
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029
| | - Sumeet Solanki
- Molecular and Integrative Physiology and Internal Medicine, Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Sarah Karram
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029
| | - Kowit Nambunmee
- Department of Occupational Health and Safety, Mae Fah Luong University, Chiang Rai, Thailand, 57100
| | - Craig Harris
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029
| | - Laura S Rozek
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029
| | | | - Yatrik M Shah
- Molecular and Integrative Physiology and Internal Medicine, Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Justin A Colacino
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029.,Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, 48109
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31
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Grioni S, Agnoli C, Krogh V, Pala V, Rinaldi S, Vinceti M, Contiero P, Vescovi L, Malavolti M, Sieri S. Dietary cadmium and risk of breast cancer subtypes defined by hormone receptor status: A prospective cohort study. Int J Cancer 2019; 144:2153-2160. [PMID: 30515770 DOI: 10.1002/ijc.32039] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/23/2018] [Accepted: 11/21/2018] [Indexed: 02/03/2023]
Abstract
Diet is the primary source of cadmium-a proven Group 1 human carcinogen-for non-smokers. Observational studies investigating the effect of cadmium from food sources on breast cancer risk have produced inconsistent results. We examined the association between dietary cadmium and risk of breast cancer defined by estrogen receptor (ER), progesterone receptor (PR) and HER2 status, in 8924 women recruited to a prospective study between 1987 and 1992. Dietary cadmium intake was estimated using a semi-quantitative food frequency questionnaire at baseline. During a median of 22 years of follow-up, 451 incident cases of breast cancer were identified through the Varese Cancer Registry. Multivariable-adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) for breast cancer and receptor-defined breast cancer subtypes were estimated for quintiles of dietary cadmium intake, adjusting for confounding factors. Mean dietary cadmium intake was 7.8 (standard deviation 1.4) μg/day. Women with highest quintile of cadmium intake had a greater risk of breast cancer (HR 1.54; 95% CI, 1.06-2.22; p trend = 0.028) than those with lowest quintile of intake. Women premenopausal at recruitment had HR = 1.73 (95% CI, 1.10-2.71, highest vs. lowest quintile); postmenopausal women had HR = 1.32 (95% CI, 1.05-1.66 for each standard deviation increase in cadmium). Cadmium-related risk of breast cancer did not vary with ER, PR or HER2 status (p-heterogeneity not significant). These findings support the hypothesis that dietary cadmium is a risk factor for breast cancer.
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Affiliation(s)
- Sara Grioni
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Claudia Agnoli
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Vittorio Krogh
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Valeria Pala
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Sabina Rinaldi
- International Agency for Research on Cancer, Lyon, France
| | - Marco Vinceti
- CREAGEN, Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Paolo Contiero
- Environmental Epidemiology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Luciano Vescovi
- CREAGEN, Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Marcella Malavolti
- CREAGEN, Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Sabina Sieri
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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32
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Samavarchi Tehrani S, Mahmoodzadeh Hosseini H, Yousefi T, Abolghasemi M, Qujeq D, Maniati M, Amani J. The crosstalk between trace elements with DNA damage response, repair, and oxidative stress in cancer. J Cell Biochem 2019; 120:1080-1105. [PMID: 30378148 DOI: 10.1002/jcb.27617] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 08/14/2018] [Indexed: 01/24/2023]
Abstract
DNA damage response (DDR) is a regulatory system responsible for maintaining genome integrity and stability, which can sense and transduce DNA damage signals. The severity of damage appears to determine DDRs, which can include damage repair, cell-cycle arrest, and apoptosis. Furthermore, defective components in DNA damage and repair machinery are an underlying cause for the development and progression of various types of cancers. Increasing evidence indicates that there is an association between trace elements and DDR/repair mechanisms. In fact, trace elements seem to affect mediators of DDR. Besides, it has been revealed that oxidative stress (OS) and trace elements are associated with cancer development. In this review, we discuss the role of some critical trace elements in the risk of cancer. In addition, we provide a brief introduction on DDR and OS in cancer. Finally, we will further review the interactions between some important trace elements including selenium, zinc, chromium, cadmium, and arsenic, and DDR, and OS in cancer.
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Affiliation(s)
- Sadra Samavarchi Tehrani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Tooba Yousefi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Abolghasemi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Durdi Qujeq
- Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Mahmood Maniati
- English Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Jafar Amani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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33
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Peng L, Huang YT, Zhang F, Chen JY, Huo X. Chronic cadmium exposure aggravates malignant phenotypes of nasopharyngeal carcinoma by activating the Wnt/β-catenin signaling pathway via hypermethylation of the casein kinase 1α promoter. Cancer Manag Res 2018; 11:81-93. [PMID: 30588112 PMCID: PMC6304082 DOI: 10.2147/cmar.s171200] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Our previous study has shown that cadmium (Cd) exposure is not only a risk factor for nasopharyngeal carcinoma (NPC), but also correlated with the clinical stage and lymph node metastasis. However, the underlying molecular events of Cd involved in NPC progression remain to be elucidated. PURPOSE The objective of this study was to decipher how Cd impacts the malignant phenotypes of NPC cells. METHODS NPC cell lines CNE-1 and CNE-2 were continuously exposed with 1 μM Cd chloride for 10 weeks, designating as chronic Cd treated NPC cells (CCT-NPC). MTT assay, colony formation assay and xenograft tumor growth were used to assess cell viability in vitro and in vivo. Transwell assays were performed to detect cell invasion and migration. The protein levels of E-cadherin, N-cadherin, Vimentin as well as β-catenin and casein kinase 1α(CK1α) were measured by Western blot. Immunofluorescence staining was used to observe the distribution of filament actin (F-actin), β-catenin and CK1α. The mRNA levels of downstream target genes of β-catenin were detected by RT-PCR. Wnt/β-catenin signaling activity was assessed by TOPFlash/FOPFlash dual luciferase report system. MS-PCR was used to detect the methylation status of CK1α. Finally, the activation of Wnt/β-catenin pathway and cell biological properties were examined following treatment of CCT-NPC cells with 5-aza-2-deoxy-cytidine(5-aza-CdR). RESULTS CCT-NPC cells showed an increase in cell proliferation, colony formation, invasion and migration compared to the parental cells. Cd also induced cytoskeleton reorganization and epithelial-to-mesenchymal transition. Upregulation and nuclear translocation of β-catenin and increased luciferase activity accompanied with transcription of downstream target genes were found in CCT-NPC cells. Treatment of CCT-CNE1 cells with 5-aza-CdR could reverse the hypermethylation of CK1α and attenuate the cell malignancy. CONCLUSION These results support a role for chronic Cd exposure as a driving force for the malignant progression of NPC via epigenetic activation of the Wnt/β-catenin pathway.
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Affiliation(s)
- Lin Peng
- Clinical Laboratory, Cancer Hospital of Shantou University Medical College, Shantou 515041, People's Republic of China
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, Shantou 515041, People's Republic of China
| | - Yi-Teng Huang
- Health Care Center, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, People's Republic of China
| | - Fan Zhang
- Oncological Research Lab, Cancer Hospital of Shantou University Medical College, Shantou 515031, People's Republic of China,
| | - Jiong-Yu Chen
- Oncological Research Lab, Cancer Hospital of Shantou University Medical College, Shantou 515031, People's Republic of China,
| | - Xia Huo
- Laboratory of Environmental Medicine and Developmental Toxicology, Guangzhou and Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 510632, People's Republic of China,
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34
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Liao Y, Li D, Zhang N, Xia C, Zheng R, Zeng H, Zhang S, Wang J, Chen W. Application of sandwich spatial estimation method in cancer mapping: A case study for breast cancer mortality in the Chinese mainland, 2005. Stat Methods Med Res 2018; 28:3609-3626. [PMID: 30442073 DOI: 10.1177/0962280218811344] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
High-accuracy spatial distribution estimation is crucial for cancer prevention and control. Due to their complicated pathogenic factors, the distributions of many cancers' mortalities appear blocky, and spatial heterogeneity is common. However, most of the commonly used cancer mapping methods are based on spatial autocorrelation theory. Sandwich estimation is a new method based on spatial heterogeneity theory. A modified sandwich estimation method suitable for the estimation of cancer mortality distribution is proposed in this study. The variances of cancer mortality data are used to fuse sandwich estimation results from various auxiliary variables, the feasibility of which in estimating cancer mortality distributions is explained theoretically. The breast cancer (BC) mortality of the Chinese mainland in 2005 was taken as a case, and the accuracy of the modified sandwich estimation method was compared with that of the Hierarchical Bayesian (HB), the Co-Kriging (CK) and the Ordinary Kriging (OK) methods. The accuracy of the modified sandwich estimation method was better than the HB, the CK and the OK methods, and the estimation result from the modified sandwich estimation method was more likely to be acceptable. Therefore, this study represents an attempt to apply the sandwich estimation method to the estimation of cancer mortality distributions with strong spatial heterogeneity, which holds great potential for further application.
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Affiliation(s)
- Yilan Liao
- The State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
| | - Dongyue Li
- The State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China.,College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Ningxu Zhang
- The State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China.,College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China.,Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China
| | - Changfa Xia
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rongshou Zheng
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hongmei Zeng
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Siwei Zhang
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jinfeng Wang
- The State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
| | - Wanqing Chen
- National Office for Cancer Prevention and Control, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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35
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Ataei N, Aghaei M, Panjehpour M. The protective role of melatonin in cadmium-induced proliferation of ovarian cancer cells. Res Pharm Sci 2018; 13:159-167. [PMID: 29606970 PMCID: PMC5842487 DOI: 10.4103/1735-5362.223801] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Cadmium (Cd), a ubiquitous environmental and occupational pollutant, acts as a metalloestrogen to induce cell proliferation. It is suggested that Cd may also contribute to the development of estrogen-related cancers like ovarian cancer which is the most lethal cancer in women. Furthermore, it was shown that melatonin has antiproliferative effect on estradiol (E2)-induced proliferation. The aim of the present study was to evaluate whether melatonin inhibits Cd-induced proliferation in ovarian cancer cell lines and also whether Cd and melatonin can modulate estrogen receptor α (ERα) expression. OVCAR3 and SKOV3 human ovarian cancer cell lines were treated with CdCl2 (1-100 nM) and melatonin (1 μM) for 48 h. Cell proliferation evaluation was carried out by bromodeoxyuridine (BrdU) incorporation assay. ERα expression was detected by western blotting method 24 h after cell treatment. The results were demonstrated that Cd increased proliferation of ovarian cancer cell lines in a dose dependent manner. Melatonin inhibited Cd-induced proliferation of OVCAR3 and SKOV3 cell lines. Moreover, CdCl2 significantly increased ERα expression in both OVCAR3 and SKOV3 cell lines compared to control. Melatonin significantly inhibited Cd inducing effect on ERα expression of OVCAR3 and SKOV3 cell. In conclusion, due to the proliferative effect on ovarian cancer cell lines, Cd could play an important role in the etiology of ovarian cancer by inducing cells ERα expression. Furthermore, melatonin has the protective role on Cd-induced cell proliferation by inhibition of ERα expression.
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Affiliation(s)
- Negar Ataei
- Department of Biochemistry and Bioinformatics Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mahmoud Aghaei
- Department of Biochemistry and Bioinformatics Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mojtaba Panjehpour
- Department of Biochemistry and Bioinformatics Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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36
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Gray JM, Rasanayagam S, Engel C, Rizzo J. State of the evidence 2017: an update on the connection between breast cancer and the environment. Environ Health 2017; 16:94. [PMID: 28865460 PMCID: PMC5581466 DOI: 10.1186/s12940-017-0287-4] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 07/17/2017] [Indexed: 05/23/2023]
Abstract
BACKGROUND In this review, we examine the continually expanding and increasingly compelling data linking radiation and various chemicals in our environment to the current high incidence of breast cancer. Singly and in combination, these toxicants may have contributed significantly to the increasing rates of breast cancer observed over the past several decades. Exposures early in development from gestation through adolescence and early adulthood are particularly of concern as they re-shape the program of genetic, epigenetic and physiological processes in the developing mammary system, leading to an increased risk for developing breast cancer. In the 8 years since we last published a comprehensive review of the relevant literature, hundreds of new papers have appeared supporting this link, and in this update, the evidence on this topic is more extensive and of better quality than that previously available. CONCLUSION Increasing evidence from epidemiological studies, as well as a better understanding of mechanisms linking toxicants with development of breast cancer, all reinforce the conclusion that exposures to these substances - many of which are found in common, everyday products and byproducts - may lead to increased risk of developing breast cancer. Moving forward, attention to methodological limitations, especially in relevant epidemiological and animal models, will need to be addressed to allow clearer and more direct connections to be evaluated.
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Affiliation(s)
- Janet M. Gray
- Department of Psychology and Program in Science, Technology, and Society, Vassar College, 124 Raymond Avenue, Poughkeepsie, NY 12604-0246 USA
| | - Sharima Rasanayagam
- Breast Cancer Prevention Partners, 1388 Sutter St., Suite 400, San Francisco, CA 94109-5400 USA
| | - Connie Engel
- Breast Cancer Prevention Partners, 1388 Sutter St., Suite 400, San Francisco, CA 94109-5400 USA
| | - Jeanne Rizzo
- Breast Cancer Prevention Partners, 1388 Sutter St., Suite 400, San Francisco, CA 94109-5400 USA
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Dziubanek G, Baranowska R, Ćwieląg-Drabek M, Spychała A, Piekut A, Rusin M, Hajok I. Cadmium in edible plants from Silesia, Poland, and its implications for health risk in populations. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 142:8-13. [PMID: 28376348 DOI: 10.1016/j.ecoenv.2017.03.048] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 03/28/2017] [Accepted: 03/29/2017] [Indexed: 06/07/2023]
Abstract
The health risk associated with cadmium exposure through consumption of edible plants cultivated in different parts of the Silesia administration area inhabitants has been estimated. The impact of the arable soils acidity on the BCF (bioconcentration factor) has been also analyzed. The concentration of cadmium in arable soils and in 118 samples of vegetables - carrots, beets, potato, celery (tuber), parsley (root) were determined. The cadmium content in examined soil samples were in the range from >0.5-68.5mgkg-1 d.w. The most contaminated samples, above the maximum permissible concentration, originated from the central part of the region. The highest BCF value in case of parsley roots and carrots has been shown (0.941 and 0.828 respectively). Significant correlation between soil pH and BCF in examined edible plants has been demonstrated. In the exposure scenario, which assumes the consumption of the most contaminated vegetables from Silesia administration area, the value of the hazard quotient (HQ) for Cd was 2.56. On the contaminated arable soils from the central part of Silesia administration area the non-edible plants should be cultivated. In case of acidic and slightly acidic pH-range of arable soils, some methods of metals immobilization in soil are recommended e.g. liming.
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Affiliation(s)
- Grzegorz Dziubanek
- Department of Environmental Health Risk Factors, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
| | - Renata Baranowska
- Department of Environmental Health, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
| | - Małgorzata Ćwieląg-Drabek
- Department of Environmental Health Risk Factors, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
| | - Anna Spychała
- Department of Environmental Health, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
| | - Agata Piekut
- Department of Environmental Health, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
| | - Monika Rusin
- Department of Environmental Health Risk Factors, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
| | - Ilona Hajok
- Department of Environmental Health, School of Public Health in Bytom, Medical University of Silesia in Katowice (Poland), ul. Piekarska 18, 42-902 Bytom, Poland.
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Cadmium exposure and endometrial cancer risk: A large midwestern U.S. population-based case-control study. PLoS One 2017; 12:e0179360. [PMID: 28742092 PMCID: PMC5524364 DOI: 10.1371/journal.pone.0179360] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 05/30/2017] [Indexed: 01/11/2023] Open
Abstract
Estrogen-mimicking chemicals, such as cadmium, may be associated with increased susceptibility to hormone-dependent cancers, though supporting data are sparse, particularly for endometrial cancer. The Health and Environmental Exposure Research (HEER) study worked with the Arkansas Central Cancer Registry, Iowa Cancer Registry and Missouri Cancer Registry to obtain names of women diagnosed with endometrial cancer who were willing to be contacted for participation in our case control study. Voter registration lists from Iowa and Missouri were used to randomly select similarly aged women as represented in the case population. Participants were interviewed by telephone to obtain information on known or suspected endometrial risk factors. Urine kits were sent to participants for home collection and returned for analysis. Our case-control study consisted of 631 incident cases of endometrial cancer diagnosed from January 2010 to October 2012 and 879 age-matched population-based controls, ages 18-81 years (mean age 65 years). We quantified cadmium amounts in urine and standardized these values through creatinine adjustment. Using data from all survey completers, we developed a multivariable model for endometrial cancer. Creatinine-adjusted cadmium concentration was added to this model. Odds ratio (OR) and 95% confidence intervals (CIs) for endometrial cancer were calculated. After multivariable adjustment, higher creatinine-adjusted cadmium exposure was associated with a statistically significant increase of endometrial cancer risk (OR: 1.22; 95% CI: 1.03-1.44). Our results provide evidence that cadmium may increase the risk of endometrial cancer, possibly through estrogenic effects.
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Satarug S, Vesey DA, Gobe GC. Current health risk assessment practice for dietary cadmium: Data from different countries. Food Chem Toxicol 2017; 106:430-445. [PMID: 28602857 DOI: 10.1016/j.fct.2017.06.013] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 06/05/2017] [Accepted: 06/06/2017] [Indexed: 02/01/2023]
Abstract
Cadmium (Cd) is an environmental toxicant with high rates of soil-to-plant transference. This makes exposure to Cd through the food-chain contamination a public health concern. Cd accumulates in kidneys, and the most frequently reported adverse effect of long-term Cd intake is injury to kidneys. The FAO/WHO Joint Expert Committee on Food Additives established a tolerable dietary intake level and a threshold to safeguard population health. The FAO/WHO tolerable intake was set at 25 μg per kg body weight per month (58 μg per day for a 70-kg person) with urinary Cd threshold at 5.24 μg/g creatinine. Worldwide population data indicate that urinary Cd excretion reflects cumulative Cd exposure or body burden more accurately than estimated Cd intake, derived from total diet study (TDS). For the adult population, TDS estimated Cd intake of 8-25 μg/day, while urinary Cd levels suggest higher intake levels (>30 μg/day). These Cd intake estimates are below the FAO/WHO intake guideline, but they exceed the levels that are associated with distinct pathologies in many organ systems. A wide diversity of Cd toxicity targets and Cd toxicity levels argue for a more restrictive dietary Cd intake guideline and the measures that minimize Cd levels in foodstuffs.
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Affiliation(s)
- Soisungwan Satarug
- UQ Diamantina Institute and Centre for Health Services Research, Translational Research Institute, The University of Queensland, Woolloongabba, Brisbane, Australia.
| | - David A Vesey
- UQ Diamantina Institute and Centre for Health Services Research, Translational Research Institute, The University of Queensland, Woolloongabba, Brisbane, Australia; Department of Renal Medicine, Princess Alexandra Hospital, Ipswich Road, Woolloongabba, Brisbane, Australia
| | - Glenda C Gobe
- UQ Diamantina Institute and Centre for Health Services Research, Translational Research Institute, The University of Queensland, Woolloongabba, Brisbane, Australia
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Endocrine Disrupting Chemicals and Endometrial Cancer: An Overview of Recent Laboratory Evidence and Epidemiological Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14030334. [PMID: 28327540 PMCID: PMC5369169 DOI: 10.3390/ijerph14030334] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Revised: 02/13/2017] [Accepted: 02/22/2017] [Indexed: 01/10/2023]
Abstract
Background: Although exposure to endocrine disruptor compounds (EDCs) has been suggested as a contributing factor to a range of women's health disorders including infertility, polycystic ovaries and the early onset of puberty, considerable challenges remain in attributing cause and effect on gynaecological cancer. Until recently, there were relatively few epidemiological studies examining the relationship between EDCs and endometrial cancer, however, in the last years the number of these studies has increased. Methods: A systematic MEDLINE (PubMed) search was performed and relevant articles published in the last 23 years (from 1992 to 2016) were selected. Results: Human studies and animal experiments are confirming a carcinogenic effect due to the EDC exposure and its carcinogenesis process result to be complex, multifactorial and long standing, thus, it is extremely difficult to obtain the epidemiological proof of a carcinogenic effect of EDCs for the high number of confusing factors. Conclusions: The carcinogenic effects of endocrine disruptors are plausible, although additional studies are needed to clarify their mechanisms and responsible entities. Neverthless, to reduce endocrine disruptors (ED) exposure is mandatory to implement necessary measures to limit exposure, particularly during those periods of life most vulnerable to the impact of oncogenic environmental causes, such as embryonic period and puberty.
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Eriksen KT, McElroy JA, Harrington JM, Levine KE, Pedersen C, Sørensen M, Tjønneland A, Meliker JR, Raaschou-Nielsen O. Urinary Cadmium and Breast Cancer: A Prospective Danish Cohort Study. J Natl Cancer Inst 2016; 109:djw204. [DOI: 10.1093/jnci/djw204] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 08/05/2016] [Indexed: 11/13/2022] Open
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Whole Genome Pathway Analysis Identifies an Association of Cadmium Response Gene Loss with Copy Number Variation in Mutant p53 Bearing Uterine Endometrial Carcinomas. PLoS One 2016; 11:e0159114. [PMID: 27391266 PMCID: PMC4938382 DOI: 10.1371/journal.pone.0159114] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 06/27/2016] [Indexed: 12/02/2022] Open
Abstract
Background Massive chromosomal aberrations are a signature of advanced cancer, although the factors promoting the pervasive incidence of these copy number alterations (CNAs) are poorly understood. Gatekeeper mutations, such as p53, contribute to aneuploidy, yet p53 mutant tumors do not always display CNAs. Uterine Corpus Endometrial Carcinoma (UCEC) offers a unique system to begin to evaluate why some cancers acquire high CNAs while others evolve another route to oncogenesis, since about half of p53 mutant UCEC tumors have a relatively flat CNA landscape and half have 20–90% of their genome altered in copy number. Methods We extracted copy number information from 68 UCEC genomes mutant in p53 by the GISTIC2 algorithm. GO term pathway analysis, via GOrilla, was used to identify suppressed pathways. Genes within these pathways were mapped for focal or wide distribution. Deletion hotspots were evaluated for temporal incidence. Results Multiple pathways contributed to the development of pervasive CNAs, including developmental, metabolic, immunological, cell adhesion and cadmium response pathways. Surprisingly, cadmium response pathway genes are predicted as the earliest loss events within these tumors: in particular, the metallothionein genes involved in heavy metal sequestration. Loss of cadmium response genes were associated with copy number changes and poorer prognosis, contrasting with 'copy number flat' tumors which instead exhibited substantive mutation. Conclusion Metallothioneins are lost early in the development of high CNA endometrial cancer, providing a potential mechanism and biological rationale for increased incidence of endometrial cancer with cadmium exposure. Developmental and metabolic pathways are altered later in tumor progression.
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Lin J, Zhang F, Lei Y. Dietary intake and urinary level of cadmium and breast cancer risk: A meta -analysis. Cancer Epidemiol 2016; 42:101-7. [DOI: 10.1016/j.canep.2016.04.002] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 03/15/2016] [Accepted: 04/05/2016] [Indexed: 12/27/2022]
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Quraishi SM, Adams SV, Shafer M, Meliker JR, Li W, Luo J, Neuhouser ML, Newcomb PA. Urinary cadmium and estimated dietary cadmium in the Women's Health Initiative. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2016; 26:303-8. [PMID: 26015077 PMCID: PMC5077304 DOI: 10.1038/jes.2015.40] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Accepted: 04/17/2015] [Indexed: 05/04/2023]
Abstract
Cadmium, a heavy metal dispersed in the environment as a result of industrial and agricultural applications, has been implicated in several human diseases including renal disease, cancers, and compromised bone health. In the general population, the predominant sources of cadmium exposure are tobacco and diet. Urinary cadmium (uCd) reflects long-term exposure and has been frequently used to assess cadmium exposure in epidemiological studies; estimated dietary intake of cadmium (dCd) has also been used in several studies. The validity of dCd in comparison with uCd is unclear. This study aimed to compare dCd, estimated from food frequency questionnaires, to uCd measured in spot urine samples from 1,002 participants of the Women's Health Initiative. Using linear regression, we found that dCd was not statistically significantly associated with uCd (β=0.006, P-value=0.14). When stratified by smoking status, dCd was not significantly associated with uCd both in never smokers (β=0.006, P-value=0.09) and in ever smokers (β=0.003, P-value=0.67). Our results suggest that because of the lack of association between estimated dCd and measured uCd, dietary estimation of cadmium exposure should be used with caution in epidemiologic studies.
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Affiliation(s)
- Sabah M Quraishi
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
- Fred Hutchinson Cancer Research Center, Cancer Prevention, Public Health Sciences, Seattle, Washington, USA
| | - Scott V Adams
- Fred Hutchinson Cancer Research Center, Cancer Prevention, Public Health Sciences, Seattle, Washington, USA
| | - Martin Shafer
- Environmental Chemistry and Technology Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Jaymie R Meliker
- Department of Preventive Medicine, Stony Brook University, Stony Brook, New York, USA
| | - Wenjun Li
- Department of Medicine, University of Massachusetts, Worcester, Massachusetts, USA
| | - Juhua Luo
- Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, Indiana, USA
| | - Marian L Neuhouser
- Fred Hutchinson Cancer Research Center, Cancer Prevention, Public Health Sciences, Seattle, Washington, USA
| | - Polly A Newcomb
- Fred Hutchinson Cancer Research Center, Cancer Prevention, Public Health Sciences, Seattle, Washington, USA
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Huff MO, Todd SL, Smith AL, Elpers JT, Smith AP, Murphy RD, Bleser-Shartzer AS, Hoerter JE, Radde BN, Klinge CM. Arsenite and Cadmium Activate MAPK/ERK via Membrane Estrogen Receptors and G-Protein Coupled Estrogen Receptor Signaling in Human Lung Adenocarcinoma Cells. Toxicol Sci 2016; 152:62-71. [PMID: 27071941 DOI: 10.1093/toxsci/kfw064] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Epidemiological evidence indicates that cadmium and arsenic exposure increase lung cancer risk. Cadmium and arsenic are environmental contaminants that act as endocrine disruptors (EDs) by activating estrogen receptors (ERs) in breast and other cancer cell lines but their activity as EDs in lung cancer is untested. Here, we examined the effect of cadmium chloride (CdCl2) and sodium arsenite (NaAsO2) on the proliferation of human lung adenocarcinoma cell lines. Results demonstrated that both CdCl2 and NaAsO2 stimulated cell proliferation at environmentally relevant nM concentrations in a similar manner to 17β-estradiol (E2) in H1793, H2073, and H1944 cells but not in H1792 or H1299 cells. Further studies in H1793 cells showed that 100 nM CdCl2 and NaAsO2 rapidly stimulated mitogen-activated protein kinase (MAPK, extracellular-signal-regulated kinases) phosphorylation with a peak detected at 15 min. Inhibitor studies suggest that rapid MAPK phosphorylation by NaAsO2, CdCl2, and E2 involves ER, Src, epidermal growth factor receptor, and G-protein coupled ER (GPER) in a pertussis toxin-sensitive pathway. CdCl2 and E2 activation of MAPK may also involve ERβ. This study supports the involvement of membrane ER and GPER signaling in mediating cellular responses to environmentally relevant nM concentrations of CdCl2 and NaAsO2 in lung adenocarcinoma cells.
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Affiliation(s)
- Mary O Huff
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205;
| | - Sarah L Todd
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205
| | - Aaron L Smith
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205
| | - Julie T Elpers
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205
| | - Alexander P Smith
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205
| | - Robert D Murphy
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205
| | | | - Jacob E Hoerter
- *Department of Biology, Bellarmine University, Louisville, Kentucky 40205
| | - Brandie N Radde
- †Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, Kentucky 40292
| | - Carolyn M Klinge
- †Department of Biochemistry and Molecular Genetics, University of Louisville School of Medicine, Louisville, Kentucky 40292
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Mohamed SA, Elshal MF, Kumosani TA, Mal AO, Ahmed YM, Almulaiky YQ, Asseri AH, Zamzami MA. Heavy Metal Accumulation is Associated with Molecular and Pathological Perturbations in Liver of Variola louti from the Jeddah Coast of Red Sea. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:E342. [PMID: 27007386 PMCID: PMC4809005 DOI: 10.3390/ijerph13030342] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 03/07/2016] [Accepted: 03/11/2016] [Indexed: 11/21/2022]
Abstract
Large amounts of waste water are discharged daily from the Jeddah Metropolitan Area into the Red Sea. Sewage draining into the Red Sea causes widespread chemical pollution that is toxic to aquatic ecosystems. The objective of this study was to investigate the extent of pollution and assess the presence of heavy metals in fish tissue and study their association with biological and biochemical alterations. The average concentrations of heavy metals found in hepatic tissues of Variola louti fish from the polluted area, namely Cd, Cr, Cu, Fe and Zn, were 1.74, 9.69, 47.48, 4020.01 and 229.47 µg/g liver, respectively, that were significantly higher than that of samples taken from reference area (0.24, 1.98, 20.12, 721.93, 129.21 µg/g liver, respectively). The fold change of heavy metals in fish from the polluted area with respect of that of the reference area followed the order Cd > Fe > Cr > Cu > Zn. Analysis of nuclear DNA revealed that hepatic tissues of fish samples from the polluted area showed a significant increase in apoptotic cells as detected by flow cytometry and formation DNA-ladder. In addition, hepatic sections from polluted area fishes showed more fibrotic changes and collagen deposition by hematoxylin-eosin staining and Masson's trichrome staining, respectively, compared to samples taken from the reference area. Moreover, the electrophoretic patterns of proteins of liver of fishes caught at the polluted area showed different patterns of proteins from that of the reference with bands at 42, 130 and 140 kDa, which is in a good agreement with the molecular weight of collagen type III. In conclusion, there were significant changes in the tissues of fishes in the polluted area at the cellular and the molecular levels that may be associated with an accumulation of heavy metals. Assessment of fishes as a sensitive biomonitor for the pollution of surface waters that may affect general health of human and wild life is conceivable.
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Affiliation(s)
- Saleh A Mohamed
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Mohamed F Elshal
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Taha A Kumosani
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Ahmad O Mal
- Marine Biology Department, Faculty of Marine Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Youssri M Ahmed
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Yaaser Q Almulaiky
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Amer H Asseri
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Mazin A Zamzami
- Biochemistry Department, Faculty of Science; Production of Bioproducts for Industrial Applications Research Group and Experimental Biochemistry Unit, King Fahd Medical Research Center King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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Fei X, Lou Z, Christakos G, Liu Q, Ren Y, Wu J. A Geographic Analysis about the Spatiotemporal Pattern of Breast Cancer in Hangzhou from 2008 to 2012. PLoS One 2016; 11:e0147866. [PMID: 26808895 PMCID: PMC4726732 DOI: 10.1371/journal.pone.0147866] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 01/08/2016] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Breast cancer (BC) is the most common female malignant tumor. Previous studies have suggested a big incidence disparity among different cities in China. The present work selected a typical city, Hangzhou, to study BC incidence disparity within the city. METHODS Totally, 8784 female breast cancer cases were obtained from the Hangzhou Center for Disease Control and Prevention during the period 2008-2012. Analysis of Variance and Poisson Regression were the statistical tools implemented to compare incidence disparity in the space-time domain (reference group: township residents during 2008, area: subdistrict, town, and township, time frame: 2008-2012), space-time scan statistics was employed to detect significant spatiotemporal clusters of BC compared to the null hypothesis that the probability of cases diagnosed at a particular location was equal to the probability of cases diagnosed in the whole study area. Geographical Information System (GIS) was used to generate BC spatial distribution and cluster maps at the township level. RESULTS The subdistrict populations were found to have the highest and most stable BC incidence. Although town and township populations had a relatively low incidence, it displayed a significant increasing trend from 2008 to 2012. The BC incidence distribution was spatially heterogeneous and clustered with a trend-surface from the southwest low area to the northeast high area. High clusters were located in the northeastern Hangzhou area, whereas low clusters were observed in the southwestern area during the time considered. CONCLUSIONS Better healthcare service and lifestyle changes may be responsible for the increasing BC incidence observed in towns and townships. One high incidence cluster (Linping subdistrict) and two low incidence clusters (middle Hangzhou) were detected. The low clusters may be attributable mainly to developmental level disparity, whereas the high cluster could be associated with other risk factors, such as environmental pollution.
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Affiliation(s)
- Xufeng Fei
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China
| | - Zhaohan Lou
- Institute of Islands and Coastal Ecosystems, Zhejiang University, Zhoushan, China
| | - George Christakos
- Institute of Islands and Coastal Ecosystems, Zhejiang University, Zhoushan, China
| | - Qingmin Liu
- Hangzhou Center for Disease Control and Prevention, Hangzhou, China
| | - Yanjun Ren
- Hangzhou Center for Disease Control and Prevention, Hangzhou, China
| | - Jiaping Wu
- Institute of Islands and Coastal Ecosystems, Zhejiang University, Zhoushan, China
- * E-mail:
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Van Maele-Fabry G, Lombaert N, Lison D. Dietary exposure to cadmium and risk of breast cancer in postmenopausal women: A systematic review and meta-analysis. ENVIRONMENT INTERNATIONAL 2016; 86:1-13. [PMID: 26479829 DOI: 10.1016/j.envint.2015.10.003] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 10/05/2015] [Accepted: 10/05/2015] [Indexed: 05/21/2023]
Abstract
BACKGROUND With tobacco smoking, diet is the main source of cadmium (Cd) exposure in the general population. The carcinogenic and estrogenic activities of Cd make it a contaminant of potential concern for hormone-dependent cancers including breast cancer. Postmenopausal women represent the most appropriate population to investigate the possible impact of exogenous factors with potential estrogenic activity on breast cancer as, after menopause, their estrogenic influence is predominant. OBJECTIVES We systematically reviewed available studies on the association between dietary exposure to Cd and breast cancer focusing on postmenopausal women. A meta-analysis combining the risk estimators was performed and potential sources of between studies heterogeneity were traced. METHODS Studies were searched from MEDLINE through 31 January 2015 and from the reference lists of relevant publications. Six eligible studies published between 2012 and 2014 were identified and relative risk estimates were extracted. Meta-rate ratio estimates (mRR) were calculated according to fixed and random-effect models. Meta-analyses were performed on the whole set of data and separate analyses were conducted after stratification for study design, geographic location, use of hormone replacement therapy (HRT), tumor estrogen receptor status (ER+ or ER-), progesterone receptor status (PGR+ or PGR-), body mass index (BMI), smoker status, zinc or iron intake. RESULTS No statistically significant increased risk of breast cancer was observed when all studies were combined (mRR=1.03; 95% confidence interval [CI]: 0.89-1.19). Several sources of heterogeneity and inconsistency were identified, including smoker status, HRT use, BMI, zinc and iron intake. Inconsistency was also strongly reduced when only considering ER-, PGR-, tumors subgroups from USA and from Japan. The risks were, however, not substantially modified after stratifications. No evidence of publication bias was found. CONCLUSION The present study does not provide support for the hypothesis that dietary exposure to Cd increases the risk of breast cancer in postmenopausal women. Misclassification in dietary Cd assessment in primary studies could have biased the results towards a finding of no association.
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Affiliation(s)
- Geneviève Van Maele-Fabry
- Université catholique de Louvain, SSS/IREC/LTAP (Louvain Center for Toxicology and Applied Pharmacology), Avenue E. Mounier 53, bte B1.52.12, B-1200 Brussels, Belgium.
| | - Noömi Lombaert
- International Zinc/Cadmium Association, Avenue de Tervueren 168/Box 4, B-1150 Brussels, Belgium.
| | - Dominique Lison
- Université catholique de Louvain, SSS/IREC/LTAP (Louvain Center for Toxicology and Applied Pharmacology), Avenue E. Mounier 53, bte B1.52.12, B-1200 Brussels, Belgium.
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Kim MY, Shon WJ, Park MN, Lee YS, Shin DM. Protective effect of dietary chitosan on cadmium accumulation in rats. Nutr Res Pract 2015; 10:19-25. [PMID: 26865912 PMCID: PMC4742306 DOI: 10.4162/nrp.2016.10.1.19] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 05/29/2015] [Accepted: 08/13/2015] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND/OBJECTIVES Cadmium is a toxic metal that is an occupational and environmental concern especially because of its human carcinogenicity; it induces serious adverse effects in various organs and tissues. Even low levels of exposure to cadmium could be harmful owing to its extremely long half-life in the body. Cadmium intoxication may be prevented by the consumption of dietary components that potentially reduce its accumulation in the body. Dietary chitosan is a polysaccharide derived from animal sources; it has been known for its ability to bind to divalent cations including cadmium, in addition to other beneficial effects including hypocholesterolemic and anticancer effects. Therefore, we aimed to investigate the role of dietary chitosan in reducing cadmium accumulation using an in vivo system. MATERIALS/METHODS Cadmium was administered orally at 2 mg (three times per week) to three groups of Sprague-Dawley rats: control, low-dose, and high-dose (0, 3, and 5%, respectively) chitosan diet groups for eight weeks. Cadmium accumulation, as well as tissue functional and histological changes, was determined. RESULTS Compared to the control group, rats fed the chitosan diet showed significantly lower levels of cadmium in blood and tissues including the kidneys, liver, and femur. Biochemical analysis of liver function including the determination of aspartate aminotransferase and total bilirubin levels showed that dietary chitosan reduced hepatic tissue damage caused by cadmium intoxication and prevented the associated bone disorder. CONCLUSIONS These results suggest that dietary chitosan has the potential to reduce cadmium accumulation in the body as well as protect liver function and bone health against cadmium intoxication.
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Affiliation(s)
- Mi Young Kim
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Woo-Jeong Shon
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Mi-Na Park
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Yeon-Sook Lee
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Dong-Mi Shin
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.; Research institution of human ecology, Seoul National University,1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
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Peng L, Huang Y, Zhang J, Peng Y, Lin X, Wu K, Huo X. Cadmium exposure and the risk of breast cancer in Chaoshan population of southeast China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:19870-8. [PMID: 26289334 DOI: 10.1007/s11356-015-5212-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Accepted: 08/10/2015] [Indexed: 02/05/2023]
Abstract
Recently, there is increasing evidence indicating a link between cadmium exposure and human breast cancer. This study was aimed to explore the relationship between blood cadmium burden and the risk of breast cancer in Chaoshan women with no occupational exposure. Blood cadmium levels (BCLs) were determined in whole blood of 186 breast cancer cases and 139 controls. Basic clinical data and information of age, occupation, blood types, family cancer history, and disease history, as well as other demographic characteristics were collected from medical records. BCLs were detected by graphite-furnace atomizer absorption spectrophotometer (GFAAS). BCLs and proportions of BCLs over 3 μg/L between cases and controls were compared. The relationships between BCLs and breast cancer were explored by comparing BCL differences between/among different characteristics of investigated factors. In addition, BCLs within cases were also compared in relation to the disease clinical stages, tumor-node-metastasis (TNM) stages, and estrogen receptor (ER), progesterone receptor (PR), and Cerb-B2 expressions. The breast cancer patients had a higher median concentration of blood cadmium (2.28, interquartile range 1.57-3.15 μg/L) than the controls (1.77, 1.34-2.57 μg/L; P = 0.001). The proportion of BCLs over 3 μg/L was 2.35 times higher in the breast cancer cases than that of the controls after adjusting for age. Cadmium tends to accumulate in the human body with age and body mass index (BMI) but not associates with type of job, family history, disease history, and other investigated characters. With the increase of clinical stages and T and M stages, the BCLs in the breast cancer cases also increased. BCLs were positively associated with Cerb-B2 expression (r = 0.152, P = 0.038) but not significantly associated with ER and PR expressions. The data obtained show that cadmium concentration is significantly higher in blood of breast cancer patients in comparison to healthy controls. Cadmium seems to be a risk factor of breast cancer, and high cadmium exposure was observed in advanced stages of this disease, which indicates that it may promote the development of breast cancer.
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Affiliation(s)
- Lin Peng
- Clinical Laboratory, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Yiteng Huang
- Health Care Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Jingwen Zhang
- Department of Preventive Medicine, Shantou University Medical College, No.22, Xinling Rd, Shantou, 515041, Guangdong, China
| | - Yuhui Peng
- Clinical Laboratory, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Xueqiong Lin
- Clinical Laboratory, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Kusheng Wu
- Department of Preventive Medicine, Shantou University Medical College, No.22, Xinling Rd, Shantou, 515041, Guangdong, China.
| | - Xia Huo
- Analytical Cytology Laboratory and Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, 515041, Guangdong, China.
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