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Lee SG, Eom SY, Lim JA, Choi BS, Kwon HJ, Hong YS, Kim YD, Kim H, Park JD. Association between urinary arsenic concentration and genetic polymorphisms in Korean adults. Toxicol Res 2024; 40:179-188. [PMID: 38223675 PMCID: PMC10786758 DOI: 10.1007/s43188-023-00216-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/10/2023] [Accepted: 10/25/2023] [Indexed: 01/16/2024] Open
Abstract
Arsenic (As) is a human carcinogen widely distributed in the environment. This study evaluated the association between the urinary As concentration and single nucleotide polymorphisms (SNPs) in Korean adults to determine the genetic factors related to As concentration. The study included 496 participants for the genome-wide association study (GWAS) and 1483 participants for the candidate gene approach study. Participants were 19 years and older. The concentrations of total As (Tot As) and total As metabolites (Tmet As, the sum of inorganic As and their metabolites; arsenite, arsenate, monomethylarsonic, and dimethylarsinic acid) in the urine were analyzed. The GWAS identified four SNPs (rs1432523, rs3776006, rs11171747, and rs807573) associated with urinary Tot As and four SNPs (rs117605537, rs3776006, rs11171747, and rs148103384) significantly associated with urinary Tmet As concentration (P < 1 × 10-4). The candidate gene study identified two SNPs (PRDX2 rs10427027 and GLRX rs3822751) in genes related to the reduction reaction associated with urinary Tot As and Tmet As. This study suggests that genetic factors may play a role in regulating As metabolism in the human body, affecting both exposure levels and its potential health risks in the general Korean population, even at low exposure levels. Supplementary Information The online version contains supplementary material available at 10.1007/s43188-023-00216-x.
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Affiliation(s)
- Seul-Gi Lee
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-Ro, Dongjak-Gu, Seoul, 06974 Republic of Korea
| | - Sang-Yong Eom
- Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju, 28644 Republic of Korea
| | - Ji-Ae Lim
- Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, 16890 Republic of Korea
| | - Byung-Sun Choi
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-Ro, Dongjak-Gu, Seoul, 06974 Republic of Korea
| | - Ho-Jang Kwon
- Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan, 16890 Republic of Korea
| | - Young-Seoub Hong
- Department of Preventive Medicine, College of Medicine, Dong-A University, Busan, 49201 Republic of Korea
| | - Yong-Dae Kim
- Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju, 28644 Republic of Korea
| | - Heon Kim
- Department of Preventive Medicine, College of Medicine, Chungbuk National University, Cheongju, 28644 Republic of Korea
| | - Jung-Duck Park
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, 84 Heukseok-Ro, Dongjak-Gu, Seoul, 06974 Republic of Korea
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Petrovic M, Simic T, Djukic T, Radic T, Savic-Radojevic A, Zekovic M, Durutovic O, Janicic A, Milojevic B, Kajmakovic B, Zivkovic M, Bojanic N, Bumbasirevic U, Coric V. The Polymorphisms in GSTO Genes ( GSTO1 rs4925, GSTO2 rs156697, and GSTO2 rs2297235) Affect the Risk for Testicular Germ Cell Tumor Development: A Pilot Study. Life (Basel) 2023; 13:1269. [PMID: 37374052 DOI: 10.3390/life13061269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/24/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Members of the omega class of glutathione transferases (GSTs), GSTO1, and GSTO2, catalyze a range of reduction reactions as a part of the antioxidant defense system. Polymorphisms of genes encoding antioxidant proteins and the resultant altered redox profile have already been associated with the increased risk for testicular germ cell cancer (GCT) development. The aim of this pilot study was to assess the individual, combined, haplotype, and cumulative effect of GSTO1rs4925, GSTO2rs156697, and GSTO2rs2297235 polymorphisms with the risk for testicular GCT development, in 88 patients and 96 matched controls, through logistic regression models. We found that carriers of the GSTO1*C/A*C/C genotype exhibited an increased risk for testicular GCT development. Significant association with increased risk of testicular GCT was observed in carriers of GSTO2rs2297235*A/G*G/G genotype, and in carriers of combined GSTO2rs156697*A/G*G/G and GSTO2rs2297235*A/G*G/G genotypes. Haplotype H7 (GSTO1rs4925*C/GSTO2rs2297235*G/GSTO2rs156697*G) exhibited higher risk of testicular GCT, however, without significant association (p > 0.05). Finally, 51% of testicular GCT patients were the carriers of all three risk-associated genotypes, with 2.5-fold increased cumulative risk. In conclusion, the results of this pilot study suggest that GSTO polymorphisms might affect the protective antioxidant activity of GSTO isoenzymes, therefore predisposing susceptible individuals toward higher risk for testicular GCT development.
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Affiliation(s)
- Milos Petrovic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Tatjana Simic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Department of Medical Sciences, Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia
| | - Tatjana Djukic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Tanja Radic
- Institute of Mental Health, 11000 Belgrade, Serbia
| | - Ana Savic-Radojevic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Milica Zekovic
- Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia
| | - Otas Durutovic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Aleksandar Janicic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Bogomir Milojevic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Boris Kajmakovic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Marko Zivkovic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Nebojsa Bojanic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Uros Bumbasirevic
- Clinic of Urology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Vesna Coric
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
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Zhu H, Chen Q, Zhang Y, Zhao L. Glutathione S-transferase zeta 1 alters the HMGB1/GPX4 axis to drive ferroptosis in bladder cancer cells. Hum Exp Toxicol 2023; 42:9603271231161606. [PMID: 36905252 DOI: 10.1177/09603271231161606] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
OBJECTIVE The ability of glutathione S-transferase zeta 1 (GSTZ1) to modulate homeostasis of cellular redox and induce ferroptosis was explored in bladder cancer cells, and the involvement of the high mobility group protein 1/glutathione peroxidase 4 (HMGB1/GPX4) in these effects was studied. METHODS BIU-87 cells stably overexpressing GSTZ1 were transfected with appropriate plasmids to deplete HMGB1 or overexpress GPX4, then treated with deferoxamine and ferrostatin-1. Antiproliferative effects were assessed by quantifying levels of ferroptosis markers, such as iron, glutathione (GSH), malondialdehyde (MDA), reactive oxygen species (ROS), GPX4, transferrin, and ferritin. RESULTS GSTZ1 was significantly downregulated in bladder cancer cells. GSTZ1 overexpression downregulated GPX4 and GSH, while greatly increasing levels of iron, MDA, ROS, and transferrin. GSTZ1 overexpression also decreased proliferation of BIU-87 cells and activated HMGB1/GPX4 signaling. The effects of GSTZ1 on ferroptosis and proliferation were antagonized by HMGB1 knockdown or GPX4 overexpression. CONCLUSION GSTZ1 induces ferroptotic cell death and alters cellular redox homeostasis in bladder cancer cells, and these effects involve activation of the HMGB1/GPX4 axis.
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Affiliation(s)
- Hongyan Zhu
- Department of Oncology, 584878Xiangyang NO.1 People's Hospital, Hubei University of Medicine, Xiangyang, China
| | - Qitian Chen
- Department of Oncology, 584878Xiangyang NO.1 People's Hospital, Hubei University of Medicine, Xiangyang, China
| | - Yang Zhang
- Department of Anesthesiology, 584878Xiangyang NO.1 People's Hospital, Hubei University of Medicine, Xiangyang, China
| | - Lingling Zhao
- Department of Oncology, 584878Xiangyang NO.1 People's Hospital, Hubei University of Medicine, Xiangyang, China
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Basu M, Chatterjee A, Chakraborty B, Chatterjee E, Ghosh S, Samadder S, Pal DK, Roy A, Chakrabarti J, Ghosh A, Panda CK. High nuclear expression of HIF1α, synergizing with inactivation of LIMD1 and VHL, portray worst prognosis among the bladder cancer patients: association with arsenic prevalence. J Cancer Res Clin Oncol 2021; 147:2309-2322. [PMID: 34080067 DOI: 10.1007/s00432-021-03661-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 05/05/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE Our study was aimed to understand the importance of LIMD1-VHL-HIF1α pathway in development of bladder carcinoma (BlCa) in association with arsenic prevalence. METHODS At first, the mRNA expression pattern of the genes of this pathway (LIMD1, VHL and HIF1α) was checked in GEO datasets and in our samples. Next, genetic and epigenetic profiling of LIMD1 and VHL was done in our sample pool, validated in T24 BlCa cell line. The results were next correlated with various clinico-pathological parameters. RESULTS Differential under-expression of LIMD1 and VHL genes was found in muscle-invasive BlCa (MIBC) in comparison to non-muscle-invasive BlCa (NMIBC). However, HIF1α protein, but mRNA, was found to be overexpressed among the MIBC samples; depicting the probability of HIF1α protein stabilization. Analysis of genetic and epigenetic profiles of LIMD1 and VHL exposed a frequent promoter methylation of LIMD1 gene in MIBC samples. Further, in-depth look into the results unveiled that the high nuclear expression of HIF1α was significantly correlated with genetic alterations of LIMD1, alone or in combination with VHL. Moreover, treating the T24 cells with a de-methylating agent (5-aza-2'-deoxycytidine) re-expressed the methylated LIMD1 and VHL genes, which in turn, reduced the HIF1α protein level significantly. Additionally, patients with high arsenic content (> 112 ng/g, AsH) seemed to have recurrent promoter methylation in LIMD1, as well as co-methylation/alteration of LIMD1 and VHL gene. Lastly, high nuclear expression of HIF1α in association with co-alteration of VHL and LIMD1 showed the worst overall survival (OS) among the patients. CONCLUSION To conclude, MIBC samples portrayed higher alterations in VHL and LIMD1, thereby, stabilizing HIF1α protein and lowering the OS of patients.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Arsenic Poisoning/diagnosis
- Arsenic Poisoning/epidemiology
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Carcinoma, Transitional Cell/diagnosis
- Carcinoma, Transitional Cell/epidemiology
- Carcinoma, Transitional Cell/genetics
- Carcinoma, Transitional Cell/pathology
- Cell Line, Tumor
- Cell Nucleus/genetics
- Cell Nucleus/metabolism
- Cell Nucleus/pathology
- Comorbidity
- DNA Methylation
- Datasets as Topic
- Female
- Gene Expression Regulation, Neoplastic
- Gene Silencing
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Intracellular Signaling Peptides and Proteins/genetics
- Intracellular Signaling Peptides and Proteins/metabolism
- LIM Domain Proteins/genetics
- LIM Domain Proteins/metabolism
- Male
- Middle Aged
- Neoplasm Invasiveness
- Prevalence
- Prognosis
- Survival Analysis
- Urinary Bladder Neoplasms/diagnosis
- Urinary Bladder Neoplasms/epidemiology
- Urinary Bladder Neoplasms/genetics
- Urinary Bladder Neoplasms/pathology
- Von Hippel-Lindau Tumor Suppressor Protein/genetics
- Von Hippel-Lindau Tumor Suppressor Protein/metabolism
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Affiliation(s)
- Mukta Basu
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, 37 S. P. Mukherjee Road, Kolkata, West Bengal, 700026, India
| | - Amvrin Chatterjee
- Department of Urology, IPGMER, SSKM, 244 A.J.C. Bose Road, Kolkata, 700020, India
| | - Balarko Chakraborty
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, 37 S. P. Mukherjee Road, Kolkata, West Bengal, 700026, India
| | - Essha Chatterjee
- National Institute of Pharmaceutical Education and Research, Kukatpally Industrial Estate, Balanagar, Hyderabad, Telangana, 500037, India
| | - Sabnam Ghosh
- Department of Life Science, Presidency University, 86/1, College Street, Kolkata, 700073, India
| | - Sudip Samadder
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, 37 S. P. Mukherjee Road, Kolkata, West Bengal, 700026, India
| | - Dilip Kumar Pal
- Department of Urology, IPGMER, SSKM, 244 A.J.C. Bose Road, Kolkata, 700020, India
| | - Anup Roy
- Nil Ratan Sarkar Medical College and Hospital, Kolkata, West Bengal, India
| | - Jayanta Chakrabarti
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, 37 S. P. Mukherjee Road, Kolkata, West Bengal, 700026, India
| | - Amlan Ghosh
- Department of Life Science, Presidency University, 86/1, College Street, Kolkata, 700073, India
| | - Chinmay Kumar Panda
- Department of Oncogene Regulation, Chittaranjan National Cancer Institute, 37 S. P. Mukherjee Road, Kolkata, West Bengal, 700026, India.
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Signes-Pastor AJ, Gutiérrez-González E, García-Villarino M, Rodríguez-Cabrera FD, López-Moreno JJ, Varea-Jiménez E, Pastor-Barriuso R, Pollán M, Navas-Acien A, Pérez-Gómez B, Karagas MR. Toenails as a biomarker of exposure to arsenic: A review. ENVIRONMENTAL RESEARCH 2021; 195:110286. [PMID: 33075355 PMCID: PMC7987585 DOI: 10.1016/j.envres.2020.110286] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/26/2020] [Accepted: 09/27/2020] [Indexed: 05/04/2023]
Abstract
This systematic review summarizes the current evidence related to the reliability of toenail total arsenic concentrations (thereafter "arsenic") as a biomarker of long-term exposure. Specifically, we reviewed literature on consistency of repeated measures over time, association with other biomarkers and metal concentrations, factors influencing concentrations, and associations with health effects. We identified 129 papers containing quantitative original data on arsenic in toenail samples covering populations from 29 different countries. We observed geographic differences in toenail arsenic concentrations, with highest median or mean concentrations in Asian countries. Arsenic-contaminated drinking water, occupational exposure or living in specific industrial areas were associated with an increased toenail arsenic content. The effects of other potential determinants and sources of arsenic exposure including diet, gender and age on the concentrations in toenails need further investigations. Toenail arsenic was correlated with the concentrations in hair and fingernails, and with urine arsenic mainly among highly exposed populations with a toenail mean or median ≥1 μg/g. Overall, there is a growing body of evidence suggesting that arsenic content from a single toenail sample may reflect long-term internal dose-exposure. Toenail arsenic can serve as a reliable measure of toxic inorganic arsenic exposure in chronic disease research, particularly promising for cancer and cardiovascular conditions.
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Affiliation(s)
- Antonio J Signes-Pastor
- Department of Epidemiology, Geisel School of Medicine, Dartmouth College, 1 Medical Center Dr, Williamson Translational Research Bldg, Lebanon NH, 03756, USA.
| | - Enrique Gutiérrez-González
- Spanish Agency of Food Safety and Nutrition, Ministry of Consumer Affairs, Alcalá, 56, 28014, Madrid, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología y Salud Pública - CIBERESP), Monforte de Lemos 5, 28029, Madrid, Spain
| | - Miguel García-Villarino
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología y Salud Pública - CIBERESP), Monforte de Lemos 5, 28029, Madrid, Spain; Unit of Molecular Cancer Epidemiology, University Institute of Oncology of the Principality of Asturias (IUOPA) - Department of Medicine, University of Oviedo, Julian Clavería Street s/n, 33006, Oviedo, Asturias, Spain
| | - Francisco D Rodríguez-Cabrera
- Public Health Teaching Unit, National School of Public Health, Carlos III Institute of Health, Monforte de Lemos 5, 28029. Madrid, Spain
| | - Jorge J López-Moreno
- Public Health Teaching Unit, National School of Public Health, Carlos III Institute of Health, Monforte de Lemos 5, 28029. Madrid, Spain
| | - Elena Varea-Jiménez
- Department of Epidemiology of Chronic Diseases, National Centre for Epidemiology, Carlos III Institute of Health, Monforte de Lemos 5, 28029, Madrid, Spain
| | - Roberto Pastor-Barriuso
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología y Salud Pública - CIBERESP), Monforte de Lemos 5, 28029, Madrid, Spain; Department of Epidemiology of Chronic Diseases, National Centre for Epidemiology, Carlos III Institute of Health, Monforte de Lemos 5, 28029, Madrid, Spain
| | - Marina Pollán
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología y Salud Pública - CIBERESP), Monforte de Lemos 5, 28029, Madrid, Spain; Department of Epidemiology of Chronic Diseases, National Centre for Epidemiology, Carlos III Institute of Health, Monforte de Lemos 5, 28029, Madrid, Spain
| | - Ana Navas-Acien
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Beatriz Pérez-Gómez
- Consortium for Biomedical Research in Epidemiology & Public Health (CIBER en Epidemiología y Salud Pública - CIBERESP), Monforte de Lemos 5, 28029, Madrid, Spain; Public Health Teaching Unit, National School of Public Health, Carlos III Institute of Health, Monforte de Lemos 5, 28029. Madrid, Spain; Department of Epidemiology of Chronic Diseases, National Centre for Epidemiology, Carlos III Institute of Health, Monforte de Lemos 5, 28029, Madrid, Spain
| | - Margaret R Karagas
- Department of Epidemiology, Geisel School of Medicine, Dartmouth College, 1 Medical Center Dr, Williamson Translational Research Bldg, Lebanon NH, 03756, USA
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6
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Mbemi A, Khanna S, Njiki S, Yedjou CG, Tchounwou PB. Impact of Gene-Environment Interactions on Cancer Development. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E8089. [PMID: 33153024 PMCID: PMC7662361 DOI: 10.3390/ijerph17218089] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/26/2020] [Accepted: 10/30/2020] [Indexed: 12/24/2022]
Abstract
Several epidemiological and experimental studies have demonstrated that many human diseases are not only caused by specific genetic and environmental factors but also by gene-environment interactions. Although it has been widely reported that genetic polymorphisms play a critical role in human susceptibility to cancer and other chronic disease conditions, many single nucleotide polymorphisms (SNPs) are caused by somatic mutations resulting from human exposure to environmental stressors. Scientific evidence suggests that the etiology of many chronic illnesses is caused by the joint effect between genetics and the environment. Research has also pointed out that the interactions of environmental factors with specific allelic variants highly modulate the susceptibility to diseases. Hence, many scientific discoveries on gene-environment interactions have elucidated the impact of their combined effect on the incidence and/or prevalence rate of human diseases. In this review, we provide an overview of the nature of gene-environment interactions, and discuss their role in human cancers, with special emphases on lung, colorectal, bladder, breast, ovarian, and prostate cancers.
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Affiliation(s)
- Ariane Mbemi
- NIH/NIMHD RCMI-Center for Health Disparities Research, Jackson State University, 1400 Lynch Street, Box 18750, Jackson, MS 39217, USA; (A.M.); (S.N.)
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box 18540, Jackson, MS 39217, USA
| | - Sunali Khanna
- Department of Oral Medicine and Radiology, Nair Hospital Dental College, Municipal Corporation of Greater Mumbai, Mumbai 400 008, India;
| | - Sylvianne Njiki
- NIH/NIMHD RCMI-Center for Health Disparities Research, Jackson State University, 1400 Lynch Street, Box 18750, Jackson, MS 39217, USA; (A.M.); (S.N.)
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box 18540, Jackson, MS 39217, USA
| | - Clement G. Yedjou
- Department of Biological Sciences, College of Science and Technology, Florida Agricultural and Mechanical University, 1610 S. Martin Luther King Blvd., Tallahassee, FL 32307, USA;
| | - Paul B. Tchounwou
- NIH/NIMHD RCMI-Center for Health Disparities Research, Jackson State University, 1400 Lynch Street, Box 18750, Jackson, MS 39217, USA; (A.M.); (S.N.)
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Box 18540, Jackson, MS 39217, USA
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Integrative genomics and pathway analysis identified prevalent FA-BRCA pathway alterations in arsenic-associated urinary bladder carcinoma: Chronic arsenic accumulation in cancer tissues hampers the FA-BRCA pathway. Genomics 2020; 112:5055-5065. [DOI: 10.1016/j.ygeno.2020.09.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 07/09/2020] [Accepted: 09/03/2020] [Indexed: 01/18/2023]
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8
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Chan HM, Hu XF, Cheung JS, Parajuli RP, Rosol R, Yumvihoze E, Williams L, Mohapatra A. Cohort profile: health effects monitoring programme in Ndilǫ, Dettah and Yellowknife (YKHEMP). BMJ Open 2020; 10:e038507. [PMID: 32988947 PMCID: PMC7523220 DOI: 10.1136/bmjopen-2020-038507] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 08/25/2020] [Accepted: 09/03/2020] [Indexed: 11/03/2022] Open
Abstract
PURPOSE The Yellowknife Health Effects Monitoring Programme (YKHEMP) was established to examine the relationship of exposure to arsenic and other chemicals of potential concern such as antimony, cadmium, lead, manganese and vanadium and health outcomes. PARTICIPANTS A total of 2037 individuals were recruited, including children (age 3-19) and adults (age 20+), residing in Dettah, Ndilǫ and Yellowknife, in the Northwest Territories, Canada, in two waves in Fall 2017 and Spring 2018. In Yellowknife, there were 891 (675 adults, 216 children), randomly selected participants with a participation rate of 64%. In addition, we also recruited a total of 875 (669 adults, 206 children) volunteer participants. A total of 225 (137 adults, 88 children) of the Yellowknives Dene First Nation (YKDFN), and 46 (33 adults, 13 children) of the North Slave Métis Alliance participated in the study. Each participant answered a lifestyle questionnaire as well as provided toenail clippings and urine for contaminant testing and saliva samples for testing of genetic polymorphisms associated with arsenic metabolism. Participants also provided consent to have their medical records reviewed by the research team for the past 5 years to allow for the investigation between exposure and health outcomes. FINDINGS TO DATE The adult YKHEMP participants had lower urinary total arsenic but the children had higher inorganic arsenic than the general Canadian population. There was no difference in urinary total arsenic concentrations between adults and children, however, urinary inorganic arsenic concentrations were generally higher in children than in adults in all four YKHEMP sampling groups. The adult YKDFN participants had lower urinary total arsenic and inorganic arsenic concentrations compared with the random selected and volunteer participants. FUTURE PLANS YKHEMP is designed as a prospective cohort study; the children participants will be re-examined in 2022 and both adult and children participants in 2027.
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Affiliation(s)
- Hing Man Chan
- Biology, University of Ottawa Faculty of Science, Ottawa, Ontario, Canada
| | - Xue Feng Hu
- Biology, University of Ottawa Faculty of Science, Ottawa, Ontario, Canada
| | - Janet S Cheung
- Biology, University of Ottawa Faculty of Science, Ottawa, Ontario, Canada
| | | | - Renata Rosol
- Biology, University of Ottawa Faculty of Science, Ottawa, Ontario, Canada
| | - Emmanuel Yumvihoze
- Biology, University of Ottawa Faculty of Science, Ottawa, Ontario, Canada
| | - Linna Williams
- Health and Social Services, Government of the Northwest Territories, Yellowknife, Northwest Territories, Canada
| | - Asish Mohapatra
- Environmental Health Program, Health Canada, Ottawa, Ontario, Canada
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9
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Song Y, Jin D, Chen J, Liang W, Liu X. Effects of Arsenic (+3 Oxidation State) Methyltransferase Gene Polymorphisms and Expression on Bladder Cancer: Evidence from a Systematic Review, Meta-analysis and TCGA Dataset. Toxicol Sci 2020; 177:27-40. [PMID: 32539094 DOI: 10.1093/toxsci/kfaa087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Inorganic arsenic (iAs) is a recognized environment-related factor for bladder cancer (BCa). Arsenic (+3 oxidation state) methyltransferase (AS3MT) gene might influence BCa by regulating iAs metabolism. The aim of the present study was to explore whether AS3MT polymorphisms could affect BCa susceptibility. We systematically reviewed eligible case-control studies about AS3MT polymorphisms and BCa and to further compare the genotype distribution and allele distribution between BCa patients and controls by meta-analysis for humans. Besides, to clarify the effects of AS3MT expression on BCa clinical outcomes and survival time, we also conducted a series of analyses based on The Cancer Genome Atlas dataset. Databases were systematically retrieved and we applied Stata software to perform meta-analysis. The registration of this study protocol is at PROSPERO and ID is CRD42019133947. Five articles were recruited and pooled results demonstrated that rs3740393 and rs11191438 polymorphisms were related to BCa risk in overall population (p < .05) in the overall population. In addition, GG and GC genotypes in rs3740393 and GG genotype in rs11191438 might be the susceptibility genotypes for BCa. Results based on 168 BCa samples from TGCA indicated that patients with higher expression of AS3MT had poor overall survival time and AS3MT expression is an independent indicator for BCa survival. This study identified that AS3MT polymorphisms could affect BCa risk and AS3MT expression was pivotal in prognosis of BCa.
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Affiliation(s)
| | - Donghui Jin
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Jingyi Chen
- Institute of Clinical Molecular Biology and Department of Gastroenterology, Peking University People's Hospital, Beijing 100044, China
| | - Wanfeng Liang
- School of Statics and Data Science, Nankai University, Tianjin 300071, China
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González-Martínez F, Sánchez-Rodas D, Varela NM, Sandoval CA, Quiñones LA, Johnson-Restrepo B. As3MT and GST Polymorphisms Influencing Arsenic Metabolism in Human Exposure to Drinking Groundwater. Int J Mol Sci 2020; 21:ijms21144832. [PMID: 32650499 PMCID: PMC7402318 DOI: 10.3390/ijms21144832] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/24/2020] [Accepted: 06/24/2020] [Indexed: 01/28/2023] Open
Abstract
The urinary arsenic metabolites may vary among individuals and the genetic factors have been reported to explain part of the variation. We assessed the influence of polymorphic variants of Arsenic-3-methyl-transferase and Glutathione-S-transferase on urinary arsenic metabolites. Twenty-two groundwater wells for human consumption from municipalities of Colombia were analyzed for assessed the exposure by lifetime average daily dose (LADD) (µg/kg bw/day). Surveys on 151 participants aged between 18 and 81 years old were applied to collect demographic information and other factors. In addition, genetic polymorphisms (GSTO2-rs156697, GSTP1-rs1695, As3MT-rs3740400, GSTT1 and GSTM1) were evaluated by real time and/or conventional PCR. Arsenic metabolites: AsIII, AsV, monomethylarsonic acid (MMA), and dimethylarsinic acid (DMA) were measured using HPLC-HG-AFS. The influence of polymorphic variants, LADD and other factors were tested using multivariate analyses. The median of total arsenic concentration in groundwater was of 33.3 μg/L and the median of LADD for the high exposure dose was 0.33 µg/kg bw/day. Univariate analyses among arsenic metabolites and genetic polymorphisms showed MMA concentrations higher in heterozygous and/or homozygous genotypes of As3MT compared to the wild-type genotype. Besides, DMA concentrations were lower in heterozygous and/or homozygous genotypes of GSTP1 compared to the wild-type genotype. Both DMA and MMA concentrations were higher in GSTM1-null genotypes compared to the active genotype. Multivariate analyses showed statistically significant association among interactions gene-gene and gene-covariates to modify the MMA and DMA excretion. Interactions between polymorphic variants As3MT*GSTM1 and GSTO2*GSTP1 could be potential modifiers of urinary excretion of arsenic and covariates as age, LADD, and alcohol consumption contribute to largely vary the arsenic individual metabolic capacity in exposed people.
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Affiliation(s)
- Farith González-Martínez
- Environmental Chemistry Research Group and Public Health Research Group, University of Cartagena, Cartagena 130015, Colombia;
- Latin American Network for Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015 Madrid, Spain;
| | - Daniel Sánchez-Rodas
- Center for Research in Sustainable Chemistry, CIQSO, University of Huelva, 21071 Huelva, Spain;
| | - Nelson M. Varela
- Latin American Network for Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015 Madrid, Spain;
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics (CQF), Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago 8320000, Chile;
| | - Christopher A. Sandoval
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics (CQF), Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago 8320000, Chile;
| | - Luis A. Quiñones
- Latin American Network for Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015 Madrid, Spain;
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics (CQF), Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago 8320000, Chile;
- Correspondence: (L.A.Q.); (B.J.-R.); Tel.: +56-2-297-707-4144 (L.A.Q.); +57-301-363-5979 (B.J.-R.)
| | - Boris Johnson-Restrepo
- Environmental Chemistry Research Group and Public Health Research Group, University of Cartagena, Cartagena 130015, Colombia;
- Correspondence: (L.A.Q.); (B.J.-R.); Tel.: +56-2-297-707-4144 (L.A.Q.); +57-301-363-5979 (B.J.-R.)
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11
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Wu HY, Yang B, Geng DH. Clinical significance of expression of fibrous sheath interacting protein 1 in colon cancer. World J Gastrointest Oncol 2020; 12:677-686. [PMID: 32699582 PMCID: PMC7340994 DOI: 10.4251/wjgo.v12.i6.677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/11/2020] [Accepted: 05/05/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The occurrence and development of colon cancer are complex, involving a variety of genetic changes, such as mutation and activation of oncogenes, inactivation of tumour suppressor genes, and aberrant proliferation and apoptosis regulation mechanisms. Fibrous sheath interacting protein 1 (FSIP1) is a newly discovered oncogene that is frequently activated in a variety of tumours such as breast cancer and bladder cancer. However, the clinical significance of FSIP1 in colon cancer is unclear. In this study, we analysed the clinical significance of expression of FSIP1 in human colon cancer, aimed to clarify the biological role of FSIP1 in the development and progression of colon cancer.
AIM To investigate the clinical significance of expression of FSIP1 in colon cancer.
METHODS From March 2011 to March 2014, 302 specimens of tumour tissues and paracancerous tissues were obtained from patients pathologically diagnosed with colon cancer at Shengjing Hospital of China Medical University. Immunohistochemistry was used to detect FSIP1 expression in colon cancer tissues and adjacent normal tissues. Spearman correlation coefficient and Cox regression analyses were used to determine the relationship between FSIP1 expression and clinicopathological factors and prognosis, as well as the impact on survival.
RESULTS Compared with its expression in adjacent normal tissues, FSIP1 was expressed at higher levels in colon cancer tissues. Spearman correlation analysis showed that high expression of FSIP1 was positively correlated with clinicopathological stage, lymph node metastasis, and poor prognosis in colon cancer; it was negatively correlated with the degree of tumour differentiation. Cox regression analysis showed that high FSIP1 expression was an independent risk factor for the prognosis of colon cancer patients.
CONCLUSION High expression of FSIP1 may be one of the important factors affecting the clinical outcome of colon cancer patients and leading to poor prognosis.
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Affiliation(s)
- Hui-Ying Wu
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
| | - Bin Yang
- Department of Nursing, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
| | - Dong-Hua Geng
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning Province, China
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12
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Sobh A, Loguinov A, Yazici GN, Zeidan RS, Tagmount A, Hejazi NS, Hubbard AE, Zhang L, Vulpe CD. Functional Profiling Identifies Determinants of Arsenic Trioxide Cellular Toxicity. Toxicol Sci 2020; 169:108-121. [PMID: 30815697 DOI: 10.1093/toxsci/kfz024] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Arsenic exposure is a worldwide health concern associated with an increased risk of skin, lung, and bladder cancer but arsenic trioxide (AsIII) is also an effective chemotherapeutic agent. The current use of AsIII in chemotherapy is limited to acute promyelocytic leukemia (APL). However, AsIII was suggested as a potential therapy for other cancer types including chronic myeloid leukemia (CML), especially when combined with other drugs. Here, we carried out a genome-wide CRISPR-based approach to identify modulators of AsIII toxicity in K562, a human CML cell line. We found that disruption of KEAP1, the inhibitory partner of the key antioxidant transcription factor Nrf2, or TXNDC17, a thioredoxin-like protein, markedly increased AsIII tolerance. Loss of the water channel AQP3, the zinc transporter ZNT1 and its regulator MTF1 also enhanced tolerance to AsIII whereas loss of the multidrug resistance protein ABCC1 increased sensitivity to AsIII. Remarkably, disruption of any of multiple genes, EEFSEC, SECISBP2, SEPHS2, SEPSECS, and PSTK, encoding proteins involved in selenocysteine metabolism increased resistance to AsIII. Our data suggest a model in which an intracellular interaction between selenium and AsIII may impact intracellular AsIII levels and toxicity. Together this work revealed a suite of cellular components/processes which modulate the toxicity of AsIII in CML cells. Targeting such processes simultaneously with AsIII treatment could potentiate AsIII in CML therapy.
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Affiliation(s)
- Amin Sobh
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida.,Department of Nutritional Sciences & Toxicology, Comparative Biochemistry Program, University of California, Berkeley, Berkeley, California
| | - Alex Loguinov
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida
| | - Gulce Naz Yazici
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida.,Department of Histology and Embryology, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey
| | - Rola S Zeidan
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida
| | - Abderrahmane Tagmount
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida
| | - Nima S Hejazi
- Division of Biostatistics and Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, California.,Center for Computational Biology, University of California, Berkeley, Berkeley, California
| | - Alan E Hubbard
- Division of Biostatistics and Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, California
| | - Luoping Zhang
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California
| | - Chris D Vulpe
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, Florida.,Department of Nutritional Sciences & Toxicology, Comparative Biochemistry Program, University of California, Berkeley, Berkeley, California
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13
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Glutathione S-Transferase Pi 1 (GSTP1) Gene 313 A/G (rs1695) polymorphism is associated with the risk of urinary bladder cancer: Evidence from a systematic review and meta-analysis based on 34 case-control studies. Gene 2019; 719:144077. [DOI: 10.1016/j.gene.2019.144077] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 08/20/2019] [Accepted: 08/22/2019] [Indexed: 12/24/2022]
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14
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González-Martínez F, Sánchez-Rodas D, Cáceres DD, Martínez MF, Quiñones LA, Johnson-Restrepo B. Arsenic exposure, profiles of urinary arsenic species, and polymorphism effects of glutathione-s-transferase and metallothioneins. CHEMOSPHERE 2018; 212:927-936. [PMID: 30286549 DOI: 10.1016/j.chemosphere.2018.08.139] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 08/13/2018] [Accepted: 08/27/2018] [Indexed: 06/08/2023]
Abstract
This study assessed the effects of polymorphic variants of gutathione-S-transferase and metallothioneins on profiles of urinary arsenic species. Drinking groundwater from Margarita and San Fernando, Colombia were analyzed and the lifetime average daily dose (LADD) of arsenic was determined. Specific surveys were applied to collect demographic information and other exposure factors. In addition, GSTT1-null, GSTM1-null, GSTP1-rs1695 and MT-2A-rs28366003 genetic polymorphisms were evaluated, either by direct PCR or PCR-RFLP. Urinary speciated arsenic concentrations were determined by HPLC-HG-AFS for species such as AsIII, AsV, monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and total urinary As (TuAs). Primary methylation index (PMI) and secondary methylation index (SMI) were also calculated as indicators of the metabolic capacity. Polymorphisms effects were tested using multivariate analysis, adjusted by potential confounders. The As concentrations in groundwater were on average 34.6 ± 24.7 μg/L greater than the WHO guideline for As (10 μg/L). There was a correlation between As concentrations in groundwater and TuAs (r = 0.59; p = 0.000). Urinary inorganic arsenic (%InAs) was associated with GSTP1, LADD, GSTP1*Age, GSTP1*alcohol consumption (r2 = 0.43; likelihood-ratio test, p = 0.000). PMI was associated with sex (r2 = 0.20; likelihood-ratio test, p = 0.007). GSTP1 (AG + GG) homozygotes/heterozygotes could increase urinary %InAs and decrease the PMI ratio in people exposed to low and high As from drinking groundwater. Therefore, the explanatory models showed the participation of some covariates that could influence the effects of the polymorphisms on these exposure biomarkers to As.
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Affiliation(s)
- Farith González-Martínez
- Public Health Research Group, School of Dentistry, Campus of Zaragocilla, University of Cartagena, Cartagena 130015, Colombia; Environmental Chemistry Research Group, School of Exact and Natural Sciences, Campus of San Pablo, University of Cartagena, Cartagena 130015, Colombia
| | - Daniel Sánchez-Rodas
- Center for Research in Sustainable Chemistry, CIQSO, University of Huelva, Huelva 21071, Spain
| | - Dante D Cáceres
- Institute of Population Health, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Matías F Martínez
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics (CQF), Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile
| | - Luis A Quiñones
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics (CQF), Department of Basic-Clinical Oncology (DOBC), Faculty of Medicine, University of Chile, Santiago, Chile.
| | - Boris Johnson-Restrepo
- Environmental Chemistry Research Group, School of Exact and Natural Sciences, Campus of San Pablo, University of Cartagena, Cartagena 130015, Colombia.
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15
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Zhou T, Li HY, Xie WJ, Zhong Z, Zhong H, Lin ZJ. Association of Glutathione S-transferase gene polymorphism with bladder Cancer susceptibility. BMC Cancer 2018; 18:1088. [PMID: 30419877 PMCID: PMC6233535 DOI: 10.1186/s12885-018-5014-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 10/30/2018] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND We conducted a meta-analysis to evaluate the relationship between the glutathione S-transferase μ1 (GSTM1)- and glutathione S-transferase θ1 (GSTT1)- null genotypes and susceptibility to bladder cancer. METHODS We identified association reports from the databases of PubMed, Embase, the Cochrane Library and the China Biological Medicine Database (CBM disc) on July 1, 2017 and synthesized eligible investigations. Results were expressed using odds ratios (ORs) for dichotomous data, and we also calculated 95% confidence intervals (CIs). RESULTS In this meta-analysis, we found that the GSTM1-null genotype was associated with bladder cancer risk in the overall population, and individually in whites, Africans and Asians (overall population: OR = 1.40, 95% CI: 1.31-1.48, P<0.00001; whites: OR = 1.39, 95% CI: 1.26-1.54, P<0.00001; Africans: OR = 1.54, 95% CI: 1.16-2.05, P = 0.003; Asians: OR = 1.45, 95% CI: 1.33-1.59, P<0.00001). The GSTT1-null genotype was associated with bladder cancer risk in the overall population, but not in whites, in Africans or Asians (overall population: OR = 1.11, 95% CI: 1.01-1.22, P = 0.03; whites: OR = 1.16, 95% CI: 0.99-1.36, P = 0.07; Africans: OR = 1.07, 95% CI: 0.65-1.76, P = 0.79; Asians: OR = 1.05, 95% CI: 0.91-1.22, P = 0.51). Interestingly, a dual-null GSTM1-GSTT1 genotype was associated with bladder cancer risk in the overall population and in Asians (overall population: OR = 1.48, 95% CI: 1.15-1.92, P = 0.002; Asians: OR = 1.62, 95% CI: 1.15-2.28, P = 0.006). In conclusion, the GSTM1-null, GSTT1-null and dual-null GSTM1-GSTT1 genotypes might be associated with the onset of bladder cancer, but additional genetic-epidemiological studies should be conducted to explore this association further.
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Affiliation(s)
- Tianbiao Zhou
- Department of Nephrology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041 China
| | - Hong-Yan Li
- Department of Nephrology, Huadu District People’s Hospital of Guangzhou, Southern Medical University, Guangzhou, China
| | - Wei-Ji Xie
- Department of Nephrology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041 China
| | - Zhiqing Zhong
- Department of Nephrology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041 China
| | - Hongzhen Zhong
- Department of Nephrology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041 China
| | - Zhi-Jun Lin
- Department of Nephrology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041 China
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16
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Bal S, Yadav A, Verma N, Aggarwal NK, Gupta R. Protective role of eugenol on arsenic induced oxidative DNA damage and modulatory effect of GSTO2 polymorphism. J Food Biochem 2018. [DOI: 10.1111/jfbc.12565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Surbhi Bal
- Department of Biotechnology; Kurukshetra University; Kurukshetra Haryana India
| | - Anita Yadav
- Department of Biotechnology; Kurukshetra University; Kurukshetra Haryana India
| | - Neha Verma
- Department of Biotechnology; Kurukshetra University; Kurukshetra Haryana India
| | - Neeraj K. Aggarwal
- Department of Microbiology; Kurukshetra University; Kurukshetra Haryana India
| | - Ranjan Gupta
- Department of Biochemistry; Kurukshetra University; Kurukshetra Haryana India
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17
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Huang CY, Lin YC, Shiue HS, Chen WJ, Su CT, Pu YS, Ao PL, Hsueh YM. Comparison of arsenic methylation capacity and polymorphisms of arsenic methylation genes between bladder cancer and upper tract urothelial carcinoma. Toxicol Lett 2018; 295:64-73. [PMID: 29859237 DOI: 10.1016/j.toxlet.2018.05.035] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/18/2018] [Accepted: 05/29/2018] [Indexed: 12/19/2022]
Abstract
Arsenic exposure is an environmental risk factor for urothelial carcinoma (UC). The natural history of upper tract urothelial carcinoma (UTUC) differs from that of bladder cancer (BC). However, the risk factors of BC and UTUC are not exactly the same and should be discussed separately. The aims of this study were to evaluate 1) the association between arsenic methylation capacity and UTUC and/or BC, separately, and 2) the association between polymorphisms of the arsenic metabolism-related genes AS3MT, GSTOs, and PNP against BC and/or UTUC, separately. We conducted a hospital-based study and collected 216 BC and 212 UTUC cases, and 813 healthy controls, from September 2007 to October 2011. Urinary arsenic profiles were measured using high-performance liquid chromatography-hydride generator-atomic absorption spectrometry. The polymorphisms of AS3MT, GSTO, and PNP were identified using the Sequenom MassARRAY platform with iPLEX Gold chemistry. We found that inefficient arsenic methylation capacity was associated with BC in a significant dose-response relationship, but only found that high urinary total arsenic concentration was related to the risk of UTUC, also in a significant dose-response manner. Those with a total urinary arsenic level of > 30.28 μg/L compared to ≤ 9.78 μg/L, had a odds ratio (OR), and 95% confidence interval (CI) of UTUC, of 4.80 (2.22-10.39). The polymorphisms of AS3MT rs11191438, AS3MT rs10748835, and AS3MT rs1046778 were related to the risk of BC and UTUC, while the polymorphisms of AS3MT rs3740393, AS3MT rs11191453, and AS3MT rs11191454 were associated with arsenic methylation capacity. The AS3MT gene polymorphisms and arsenic methylation capacity appear to independently affect the risk of BC and UTUC.
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Affiliation(s)
- Chao-Yuan Huang
- Department of Urology, National Taiwan University Hospital, Taipei, Taiwan; Department of Urology, National Taiwan University Hospital, Yunlin Branch, Taiwan
| | - Ying-Chin Lin
- Department of Family Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan; Department of Health Examination, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; Department of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Horng-Sheng Shiue
- Department of Chinese Medicine, Chang Gung Memorial Hospital, and Chang Gung University, College of Medicine, Taoyuan, Taiwan
| | - Wei-Jen Chen
- Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Chien-Tien Su
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan; Department of Family Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Yeong-Shiau Pu
- Department of Urology, National Taiwan University Hospital, Taipei, Taiwan
| | - Pui-Lam Ao
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Yu-Mei Hsueh
- Department of Family Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan; Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
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18
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Bal S, Yadav A, Verma N, Gupta R, Aggarwal NK. Shielding effect of anethole against arsenic induced genotoxicity in cultured human peripheral blood lymphocytes and effect of GSTO1 polymorphism. 3 Biotech 2018; 8:232. [PMID: 29725571 PMCID: PMC5928012 DOI: 10.1007/s13205-018-1263-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 04/24/2018] [Indexed: 01/02/2023] Open
Abstract
Chronic exposure of inorganic arsenic compounds is responsible for the manifestation of various tumours as well as other diseases. The principal mechanism behind arsenic toxicity is the induction of a strong oxidative stress with production of free radicals in cells. The present study was aimed to explore the shielding effect of anethole against oxidative damage induced by arsenic in cultured human peripheral blood lymphocytes and the effect of GSTO1 polymorphism. Sister chromatid exchange (SCE) frequency, comet tail moment and lipid peroxidation levels were used as biomarkers to assess the oxidative damage. Heparinised venous blood was collected from healthy individuals and treated with sodium arsenite (50 µM) in the presence of anethole (25 and 50 µM) for the analysis of shielding effect of anethole. For the genotyping of GSTO1, PCR RFLP method was adopted. A significant dose-dependent increase in the frequency of SCEs, tail moment and lipid peroxidation levels, was observed when lymphocytes were treated with sodium arsenite. Anethole in combination with sodium arsenite has shown a dose-dependent significant decrease in the frequency of SCEs, tail moment and lipid peroxidation levels. Genetic polymorphism of GSTO1 was found to effect individual susceptibility towards arsenic-mediated genotoxicity and was found insignificant when antigenotoxic effect of anethole was considered. GSTO1 mutant genotypes were found to have significant higher genotoxicity of sodium arsenite as compared to wild-type genotype. The results of the present study suggest ameliorative effects of anethole against arsenic-mediated genotoxic damage in cultured human peripheral blood lymphocytes. A significant effect of GSTO1 polymorphism was observed on genotoxicity of sodium arsenite.
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Affiliation(s)
- Surbhi Bal
- Department of Biotechnology, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Anita Yadav
- Department of Biotechnology, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Neha Verma
- Department of Biotechnology, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Ranjan Gupta
- Department of Biochemistry, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Neeraj K. Aggarwal
- Department of Microbiology, Kurukshetra University, Kurukshetra, Haryana 136119 India
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Lin YC, Chen WJ, Huang CY, Shiue HS, Su CT, Ao PL, Pu YS, Hsueh YM. Polymorphisms of Arsenic (+3 Oxidation State) Methyltransferase and Arsenic Methylation Capacity Affect the Risk of Bladder Cancer. Toxicol Sci 2018; 164:328-338. [DOI: 10.1093/toxsci/kfy087] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Ying-Chin Lin
- Department of Family Medicine, Shuang Ho Hospital
- Department of Health Examination, Wan Fang Hospital
- Department of Family Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Jen Chen
- Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Chao-Yuan Huang
- Department of Urology, National Taiwan University Hospital, Taipei, Taiwan
- Department of Urology, National Taiwan University Hospital, Hsin Chu Branch, Hsin Chu, Taiwan
| | - Horng-Sheng Shiue
- Department of Chinese Medicine, Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Taoyuan, Taiwan
| | - Chien-Tien Su
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
- Department of Family Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Pui-Lam Ao
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Yeong-Shiau Pu
- Department of Urology, National Taiwan University Hospital, Taipei, Taiwan
| | - Yu-Mei Hsueh
- Department of Family Medicine, Shuang Ho Hospital
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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20
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Yu C, Hequn C, Longfei L, Long W, Zhi C, Feng Z, Jinbo C, Chao L, Xiongbing Z. GSTM1 and GSTT1 polymorphisms are associated with increased bladder cancer risk: Evidence from updated meta-analysis. Oncotarget 2018; 8:3246-3258. [PMID: 27911277 PMCID: PMC5356879 DOI: 10.18632/oncotarget.13702] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 11/16/2016] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Previous studies have indicated association between GSTM1 and GSTT1 gene polymorphisms and bladder cancer susceptibility, but the results have been inconclusive. Here, we performed a meta-analysis to investigate the association between GSTM1/GSTT1 deletion polymorphisms and bladder cancer susceptibility. METHODS We searched for all studies investigating the association between GSTM1 or GSTT1 polymorphism and bladder cancer susceptibility in Pubmed, Web of Knowledge, and the Cochrane Central Search Library. A systematic review and meta-analysis were performed. Subgroup analyses were performed on different ethnicity, population-based and smoking status. RESULTS Our search identified 63 studies. GSTM1 null, GSTT1 null and GSTM1/GSTT1 double-null genotypes were associated with increased risk of bladder cancer (OR: 1.36 95% CI: 1.25-1.47, P<0.01; OR: 1.13 95% CI: 1.02-1.25, P<0.01; OR: 1.84 95% CI: 1.50-2.26, P<0.01). Subgroup analyses indicated that the GSTM1-null genotype was associated with increased risk of bladder cancer in Caucasians and Asians, while the GSTT1-null genotype was associated with increased risk of bladder cancer in Caucasians. The GSTM1/GSTT1 double-null genotype was associated with increased risk of bladder cancer in Caucasians, Asians, and Africans. Stratified analyses of population-based associations indicated increased bladder cancer risk associated with GSTM1-null and GSTM1/GSTT1 double-null genotypes in hospital-based and population-based studies. GSTM1 deletion was associated with increased bladder cancer risk in both smokers and nonsmokers. Non-smokers with the GSTM1/GSTT1 double-null genotype had an increased bladder cancer risk. CONCLUSION This meta-analysis demonstrates that the GSTM1-null, GSTT1-null, and GSTM1/GSTT1 double-null genotypes are associated with increased bladder cancer risk.
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Affiliation(s)
- Cui Yu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Chen Hequn
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Liu Longfei
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Wang Long
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Chen Zhi
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Zeng Feng
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Chen Jinbo
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Li Chao
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
| | - Zu Xiongbing
- Department of Urology, Xiangya Hospital, Central South University, Changsha, Hunan 410000, China
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21
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Minatel BC, Sage AP, Anderson C, Hubaux R, Marshall EA, Lam WL, Martinez VD. Environmental arsenic exposure: From genetic susceptibility to pathogenesis. ENVIRONMENT INTERNATIONAL 2018; 112:183-197. [PMID: 29275244 DOI: 10.1016/j.envint.2017.12.017] [Citation(s) in RCA: 127] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/15/2017] [Accepted: 12/12/2017] [Indexed: 05/21/2023]
Abstract
More than 200 million people in 70 countries are exposed to arsenic through drinking water. Chronic exposure to this metalloid has been associated with the onset of many diseases, including cancer. Epidemiological evidence supports its carcinogenic potential, however, detailed molecular mechanisms remain to be elucidated. Despite the global magnitude of this problem, not all individuals face the same risk. Susceptibility to the toxic effects of arsenic is influenced by alterations in genes involved in arsenic metabolism, as well as biological factors, such as age, gender and nutrition. Moreover, chronic arsenic exposure results in several genotoxic and epigenetic alterations tightly associated with the arsenic biotransformation process, resulting in an increased cancer risk. In this review, we: 1) review the roles of inter-individual DNA-level variations influencing the susceptibility to arsenic-induced carcinogenesis; 2) discuss the contribution of arsenic biotransformation to cancer initiation; 3) provide insights into emerging research areas and the challenges in the field; and 4) compile a resource of publicly available arsenic-related DNA-level variations, transcriptome and methylation data. Understanding the molecular mechanisms of arsenic exposure and its subsequent health effects will support efforts to reduce the worldwide health burden and encourage the development of strategies for managing arsenic-related diseases in the era of personalized medicine.
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Affiliation(s)
- Brenda C Minatel
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada
| | - Adam P Sage
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada
| | - Christine Anderson
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada
| | - Roland Hubaux
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada
| | - Erin A Marshall
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada
| | - Wan L Lam
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada
| | - Victor D Martinez
- Department of Integrative Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada.
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22
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Association between arsenic metabolism gene polymorphisms and arsenic-induced skin lesions in individuals exposed to high-dose inorganic arsenic in northwest China. Sci Rep 2018; 8:413. [PMID: 29323258 PMCID: PMC5765042 DOI: 10.1038/s41598-017-18925-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 12/19/2017] [Indexed: 12/03/2022] Open
Abstract
Individuals in a given environment contaminated with arsenic have different susceptibilities to disease, which may be related to arsenic metabolism, age, gender, genetics and other factors. This study recruited 850 subjects, including 331 cases and 519 controls, from populations exposed to high levels of arsenic in drinking water in northwest China. Genotypes were determined using a custom-by-design 48-Plex SNPscanTM kit. The results indicated that subjects who carried at least one C allele for GSTO1 rs11191979 polymorphism, at least one A allele for GSTO1 rs2164624, at least one A allele for GSTO1 rs4925, the AG genotype for GSTO2 rs156697, the AG genotype or at least one G allele for GSTO2 rs2297235 or the GG genotype or at least one G allele for PNP rs3790064 had an increased risk of arsenic-related skin lesions. In addition, the haplotype CT between rs4925 and rs11191979 appeared to confer a high risk of arsenic-included skin lesions (OR = 1.377, 95% CI = 1.03–1.84), as did the haplotype GCG among rs156697, rs157077 and rs2297235 (OR = 2.197, 95% CI = 1.08–4.44). The results showed that the variants of GSTO1, GSTO2 and PNP render the susceptible toward developing arsenic-induced skin lesions in individuals exposed to high-dose inorganic arsenic in northwest China.
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Espín-Pérez A, Font-Ribera L, van Veldhoven K, Krauskopf J, Portengen L, Chadeau-Hyam M, Vermeulen R, Grimalt JO, Villanueva CM, Vineis P, Kogevinas M, Kleinjans JC, de Kok TM. Blood transcriptional and microRNA responses to short-term exposure to disinfection by-products in a swimming pool. ENVIRONMENT INTERNATIONAL 2018; 110:42-50. [PMID: 29122314 DOI: 10.1016/j.envint.2017.10.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 09/08/2017] [Accepted: 10/11/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Swimming in a chlorinated pool results in high exposure levels to disinfection by-products (DBPs), which have been associated with an increased risk of bladder cancer. OBJECTIVES By studying molecular responses at the blood transcriptome level we examined the biological processes associated with exposure to these compounds. METHODS Whole-genome gene expression and microRNA analysis was performed on blood samples collected from 43 volunteers before and 2h after 40min swimming in an indoor chlorinated pool (PISCINAII study). Exposure to THMs was measured in exhaled breath. Heart rate and kcal expenditure were measured as proxies for physical activity. Associations between exposure levels and gene expression were assessed using multivariate normal models (MVN), correcting for age, body mass index and sex. A Bonferroni threshold at 5% was applied. RESULTS MVN-models for the individual exposures identified 1778 genes and 23 microRNAs that were significantly associated with exposure to at least one DBP. Due to co-linearity it was not possible to statistically disentangle responses to DBP exposure from those related to physical activity. However, after eliminating previously reported transcripts associated with physical activity a large number of hits remained associated with DBP exposure. Among those, 9 were linked with bladder and 31 with colon cancer. Concordant microRNA/mRNA expressions were identified in association with DBP exposure for hsa-mir-22-3p and hsa-miR-146a-5p and their targets RCOR1 and TLR4, both related to colon cancer in association with DBP exposure. CONCLUSIONS Short-term exposure to low levels of DBPs shows genomics responses that may be indicative of increased cancer risk.
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Affiliation(s)
- Almudena Espín-Pérez
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands.
| | - Laia Font-Ribera
- Barcelona Institute for Global Health (ISGlobal), Barcelona, Spain
| | - Karin van Veldhoven
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Julian Krauskopf
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Lutzen Portengen
- Institute for Risk Assessment Sciences, Utrecht, The Netherlands
| | - Marc Chadeau-Hyam
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Roel Vermeulen
- Institute for Risk Assessment Sciences, Utrecht, The Netherlands
| | - Joan O Grimalt
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Catalonia, Spain
| | | | - Paolo Vineis
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | | | - Jos C Kleinjans
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
| | - Theo M de Kok
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, The Netherlands
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Gamboa-Loira B, Cebrián ME, Salinas-Rodríguez A, López-Carrillo L. Genetic susceptibility to breast cancer risk associated with inorganic arsenic exposure. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 56:106-113. [PMID: 28889078 DOI: 10.1016/j.etap.2017.08.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 08/29/2017] [Indexed: 06/07/2023]
Abstract
OBJECTIVE To evaluate whether the association between breast cancer (BC) and inorganic arsenic (iAs) exposure is modulated by selected polymorphisms in iAs metabolism. METHODS A population based case-control (1016/1028) study was conducted in Northern Mexico. Urinary arsenic metabolites were measured by High Performance Liquid Chromatography. Metabolites percentages and methylation ratios, were estimated. Genotypes of selected polymorphisms were determined by allelic discrimination. The interaction between polymorphisms and iAs metabolites percentages and methylation ratios on BC was assessed with unconditional logistic regression models. RESULTS A significant interaction (p=0.002) between MTR c.2756A>G polymorphism and percentage dimethylarsinic acid (DMA) on BC was found; BC risk related with %DMA was lower in AG+GG carriers than in AA carriers. No other significant interactions were found. CONCLUSION MTR c.2756A>G polymorphism may confer protection for BC associated with iAs exposure. Further research is warranted to elucidate the potential involvement of other polymorphisms in iAs-related BC.
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Affiliation(s)
- Brenda Gamboa-Loira
- Instituto Nacional de Salud Pública, Av. Universidad 655, Col. Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, Mexico.
| | - Mariano E Cebrián
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del IPN, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, Del. Gustavo A. Madero, C.P. 07360, Ciudad de México, Mexico.
| | - Aarón Salinas-Rodríguez
- Instituto Nacional de Salud Pública, Av. Universidad 655, Col. Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, Mexico.
| | - Lizbeth López-Carrillo
- Instituto Nacional de Salud Pública, Av. Universidad 655, Col. Santa María Ahuacatitlán, C.P. 62100, Cuernavaca, Morelos, Mexico.
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25
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de la Rosa R, Steinmaus C, Akers NK, Conde L, Ferreccio C, Kalman D, Zhang KR, Skibola CF, Smith AH, Zhang L, Smith MT. Associations between arsenic (+3 oxidation state) methyltransferase (AS3MT) and N-6 adenine-specific DNA methyltransferase 1 (N6AMT1) polymorphisms, arsenic metabolism, and cancer risk in a chilean population. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2017; 58:411-422. [PMID: 28640505 PMCID: PMC5515250 DOI: 10.1002/em.22104] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 05/13/2017] [Indexed: 05/12/2023]
Abstract
Inter-individual differences in arsenic metabolism have been linked to arsenic-related disease risks. Arsenic (+3) methyltransferase (AS3MT) is the primary enzyme involved in arsenic metabolism, and we previously demonstrated in vitro that N-6 adenine-specific DNA methyltransferase 1 (N6AMT1) also methylates the toxic inorganic arsenic (iAs) metabolite, monomethylarsonous acid (MMA), to the less toxic dimethylarsonic acid (DMA). Here, we evaluated whether AS3MT and N6AMT1 gene polymorphisms alter arsenic methylation and impact iAs-related cancer risks. We assessed AS3MT and N6AMT1 polymorphisms and urinary arsenic metabolites (%iAs, %MMA, %DMA) in 722 subjects from an arsenic-cancer case-control study in a uniquely exposed area in northern Chile. Polymorphisms were genotyped using a custom designed multiplex, ligation-dependent probe amplification (MLPA) assay for 6 AS3MT SNPs and 14 tag SNPs in the N6AMT1 gene. We found several AS3MT polymorphisms associated with both urinary arsenic metabolite profiles and cancer risk. For example, compared to wildtypes, individuals carrying minor alleles in AS3MT rs3740393 had lower %MMA (mean difference = -1.9%, 95% CI: -3.3, -0.4), higher %DMA (mean difference = 4.0%, 95% CI: 1.5, 6.5), and lower odds ratios for bladder (OR = 0.3; 95% CI: 0.1-0.6) and lung cancer (OR = 0.6; 95% CI: 0.2-1.1). Evidence of interaction was also observed for both lung and bladder cancer between these polymorphisms and elevated historical arsenic exposures. Clear associations were not seen for N6AMT1. These results are the first to demonstrate a direct association between AS3MT polymorphisms and arsenic-related internal cancer risk. This research could help identify subpopulations that are particularly vulnerable to arsenic-related disease. Environ. Mol. Mutagen. 58:411-422, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Rosemarie de la Rosa
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Craig Steinmaus
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Nicholas K Akers
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Lucia Conde
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Catterina Ferreccio
- Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica de Chile, Advanced Center for Chronic Diseases, ACCDiS, Santiago, Chile
| | - David Kalman
- Department of Environmental & Occupational Health Sciences, School of Public Health, University of Washington, Seattle, Washington, DC
| | - Kevin R Zhang
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Christine F Skibola
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Allan H Smith
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Luoping Zhang
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
| | - Martyn T Smith
- Superfund Research Program, Divisions of Environmental Health Sciences and Epidemiology, School of Public Health, University of California, Berkeley, California
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26
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Hsieh RL, Su CT, Shiue HS, Chen WJ, Huang SR, Lin YC, Lin MI, Mu SC, Chen RJ, Hsueh YM. Relation of polymorphism of arsenic metabolism genes to arsenic methylation capacity and developmental delay in preschool children in Taiwan. Toxicol Appl Pharmacol 2017; 321:37-47. [DOI: 10.1016/j.taap.2017.02.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 02/17/2017] [Accepted: 02/20/2017] [Indexed: 11/15/2022]
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27
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Yu Y, Li X, Liang C, Tang J, Qin Z, Wang C, Xu W, Hua Y, Shao P, Xu T. The relationship between GSTA1, GSTM1, GSTP1, and GSTT1 genetic polymorphisms and bladder cancer susceptibility: A meta-analysis. Medicine (Baltimore) 2016; 95:e4900. [PMID: 27631264 PMCID: PMC5402607 DOI: 10.1097/md.0000000000004900] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Previous studies have investigated the relationship between GSTA1, GSTM1, GSTP1, and GSTT1 polymorphisms and bladder cancer (BCa) susceptibility, respectively, but the results remain inconsistent. So, we conducted this meta-analysis including 79 case-control studies to explore such relationships. METHODS We searched PubMed, EMBASE, Cochrane library, Web of Science, and CNKI for relevant available studies. The pooled odds ratios (ORs) with 95% confidence intervals (CIs) were implemented to evaluate the intensity of associations. Publication bias was estimated using Begg funnel plots and Egger regression test. To assess the stability of the results, we used sensitivity analysis with the method of calculating the results again by omitting 1 single study each time. Between-study heterogeneity was tested using the I statistic. RESULTS No significant association between GSTA1 polymorphism and BCa susceptibility (OR = 1.05, 95% CI 0.83-1.33) was noted. Besides, meaningful association between individuals who carried the GSTM1 null genotype and increased BCa risk was detected (OR = 1.39, 95%CI 1.28-1.51). When stratified by ethnicity, significant difference was found in both Caucasian (OR = 1.39, 95% CI 1.23-1.58) and Asian populations (OR = 1.45, 95% CI 1.31-1.61). Moreover, in the subgroup analysis by source of controls (SOC), the results were significant in both hospital-based control groups (OR = 1.49, 95% CI 1.35-1.64) and population-based control groups (OR = 1.21, 95% CI = 1.07-1.37). Additionally, the analysis revealed no significant association between GSTP1 polymorphism and BCa risk (OR = 1.07, 95% CI 0.96-1.20). What is more, significant associations between GSTT1 polymorphism and BCa susceptibility were discovered (OR = 1.11, 95% CI 1.00-1.22). In the subgroup analysis by ethnicity, significant associations between GSTT1 null genotype and BCa risk were observed only in Caucasians (OR = 1.25, 95% CI 1.09-1.44). Furthermore, when stratified by SOC, no obvious relationship was found between the GSTT1 null genotype polymorphism with hospital-based population (OR = 1.11, 95% CI 0.97-1.28) or population-based population (OR = 1.10, 95% CI 0.96-1.27). CONCLUSION This study suggested that GSTM1 null genotype and GSTT1 null genotype might be related to higher BCa risk, respectively. However, no associations were observed between GSTA1 or GSTP1 polymorphisms and BCa susceptibility.
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Affiliation(s)
- Yajie Yu
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Xiao Li
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
- Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University, Nanjing, China
| | - Chao Liang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Jingyuan Tang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Zhiqiang Qin
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Chengming Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Weizhang Xu
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital; Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province
| | - Yibo Hua
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Pengfei Shao
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
- Correspondence: Pengfei Shao, Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China (e-mail: ); Ting Xu, Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University, Nanjing 210009, China (e-mail: )
| | - Ting Xu
- Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University, Nanjing, China
- Correspondence: Pengfei Shao, Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China (e-mail: ); Ting Xu, Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University, Nanjing 210009, China (e-mail: )
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28
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Pattison JM, Posternak V, Cole MD. Transcription Factor KLF5 Binds a Cyclin E1 Polymorphic Intronic Enhancer to Confer Increased Bladder Cancer Risk. Mol Cancer Res 2016; 14:1078-1086. [PMID: 27514407 DOI: 10.1158/1541-7786.mcr-16-0123] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 07/04/2016] [Accepted: 07/28/2016] [Indexed: 12/24/2022]
Abstract
It is well established that environmental toxins, such as exposure to arsenic, are risk factors in the development of urinary bladder cancer, yet recent genome-wide association studies (GWAS) provide compelling evidence that there is a strong genetic component associated with disease predisposition. A single-nucleotide polymorphism (SNP), rs8102137, was identified on chromosome 19q12, residing 6 kb upstream of the important cell-cycle regulator and proto-oncogene, Cyclin E1 (CCNE1). However, the functional role of this variant in bladder cancer predisposition has been unclear because it lies within a non-coding region of the genome. Here, it is demonstrated that bladder cancer cells heterozygous for this SNP exhibit biased allelic expression of CCNE1 with 1.5-fold more transcription occurring from the risk allele. Furthermore, using chromatin immunoprecipitation assays, a novel enhancer element was identified within the first intron of CCNE1 that binds Kruppel-like Factor 5 (KLF5), a known transcriptional activator in bladder cancer. Moreover, the data reveal that the presence of rs200996365, a SNP in high-linkage disequilibrium with rs8102137 residing in the center of a KLF5 motif, alters KLF5 binding to this genomic region. Through luciferase assays and CRISPR-Cas9 genome editing, a novel polymorphic intronic regulatory element controlling CCNE1 transcription is characterized. These studies uncover how a cancer-associated polymorphism mechanistically contributes to an increased predisposition for bladder cancer development. IMPLICATIONS A polymorphic KLF5 binding site near the CCNE1 gene explains genetic risk identified through GWAS. Mol Cancer Res; 14(11); 1078-86. ©2016 AACR.
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Affiliation(s)
- Jillian M Pattison
- Department of Genetics, Geisel School of Medicine at Dartmouth, Norris Cotton Cancer Center, Lebanon, New Hampshire
| | - Valeriya Posternak
- Department of Pharmacology and Toxicology, Geisel School of Medicine at Dartmouth, Norris Cotton Cancer Center, Lebanon, New Hampshire
| | - Michael D Cole
- Department of Genetics, Geisel School of Medicine at Dartmouth, Norris Cotton Cancer Center, Lebanon, New Hampshire. .,Department of Pharmacology and Toxicology, Geisel School of Medicine at Dartmouth, Norris Cotton Cancer Center, Lebanon, New Hampshire
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Luz AL, Godebo TR, Bhatt DP, Ilkayeva OR, Maurer LL, Hirschey MD, Meyer JN. From the Cover: Arsenite Uncouples Mitochondrial Respiration and Induces a Warburg-like Effect in Caenorhabditis elegans. Toxicol Sci 2016; 152:349-62. [PMID: 27208080 PMCID: PMC4960910 DOI: 10.1093/toxsci/kfw093] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Millions of people worldwide are chronically exposed to arsenic through contaminated drinking water. Despite decades of research studying the carcinogenic potential of arsenic, the mechanisms by which arsenic causes cancer and other diseases remain poorly understood. Mitochondria appear to be an important target of arsenic toxicity. The trivalent arsenical, arsenite, can induce mitochondrial reactive oxygen species production, inhibit enzymes involved in energy metabolism, and induce aerobic glycolysis in vitro, suggesting that metabolic dysfunction may be important in arsenic-induced disease. Here, using the model organism Caenorhabditis elegans and a novel metabolic inhibition assay, we report an in vivo induction of aerobic glycolysis following arsenite exposure. Furthermore, arsenite exposure induced severe mitochondrial dysfunction, including altered pyruvate metabolism; reduced steady-state ATP levels, ATP-linked respiration and spare respiratory capacity; and increased proton leak. We also found evidence that induction of autophagy is an important protective response to arsenite exposure. Because these results demonstrate that mitochondria are an important in vivo target of arsenite toxicity, we hypothesized that deficiencies in mitochondrial electron transport chain genes, which cause mitochondrial disease in humans, would sensitize nematodes to arsenite. In agreement with this, nematodes deficient in electron transport chain complexes I, II, and III, but not ATP synthase, were sensitive to arsenite exposure, thus identifying a novel class of gene-environment interactions that warrant further investigation in the human populace.
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Affiliation(s)
- Anthony L Luz
- *Nicholas School of the Environment, Duke University, Durham, North Carolina
| | - Tewodros R Godebo
- *Nicholas School of the Environment, Duke University, Durham, North Carolina
| | | | - Olga R Ilkayeva
- Duke Molecular Physiology Institute Sarah W. Stedman Nutrition and Metabolism Center
| | - Laura L Maurer
- *Nicholas School of the Environment, Duke University, Durham, North Carolina
| | - Matthew D Hirschey
- Duke Molecular Physiology Institute Sarah W. Stedman Nutrition and Metabolism Center Departments of Medicine and Pharmacology & Cancer Biology, Duke University School of Medicine, Durham, North Carolina
| | - Joel N Meyer
- *Nicholas School of the Environment, Duke University, Durham, North Carolina
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30
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Xu X, Drobná Z, Voruganti VS, Barron K, González-Horta C, Sánchez-Ramírez B, Ballinas-Casarrubias L, Cerón RH, Morales DV, Terrazas FAB, Ishida MC, Gutiérrez-Torres DS, Saunders RJ, Crandell J, Fry RC, Loomis D, García-Vargas GG, Del Razo LM, Stýblo M, Mendez MA. Association Between Variants in Arsenic (+3 Oxidation State) Methyltranserase (AS3MT) and Urinary Metabolites of Inorganic Arsenic: Role of Exposure Level. Toxicol Sci 2016; 153:112-23. [PMID: 27370415 DOI: 10.1093/toxsci/kfw112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Variants in AS3MT, the gene encoding arsenic (+3 oxidation state) methyltranserase, have been shown to influence patterns of inorganic arsenic (iAs) metabolism. Several studies have suggested that capacity to metabolize iAs may vary depending on levels of iAs exposure. However, it is not known whether the influence of variants in AS3MT on iAs metabolism also vary by level of exposure. We investigated, in a population of Mexican adults exposed to drinking water As, whether associations between 7 candidate variants in AS3MT and urinary iAs metabolites were consistent with prior studies, and whether these associations varied depending on the level of exposure. Overall, associations between urinary iAs metabolites and AS3MT variants were consistent with the literature. Referent genotypes, defined as the genotype previously associated with a higher percentage of urinary dimethylated As (DMAs%), were associated with significant increases in the DMAs% and ratio of DMAs to monomethylated As (MAs), and significant reductions in MAs% and iAs%. For 3 variants, associations between genotypes and iAs metabolism were significantly stronger among subjects exposed to water As >50 versus ≤50 ppb (water As X genotype interaction P < .05). In contrast, for 1 variant (rs17881215), associations were significantly stronger at exposures ≤50 ppb. Results suggest that iAs exposure may influence the extent to which several AS3MT variants affect iAs metabolism. The variants most strongly associated with iAs metabolism-and perhaps with susceptibility to iAs-associated disease-may vary in settings with exposure level.
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Affiliation(s)
- Xiaofan Xu
- *Department of Nutrition, Gillings School of Global Public Health
| | - Zuzana Drobná
- Department of Biological Sciences College of Sciences, North Carolina State University, North Carolina
| | | | - Keri Barron
- *Department of Nutrition, Gillings School of Global Public Health
| | - Carmen González-Horta
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, México
| | - Blanca Sánchez-Ramírez
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, México
| | - Lourdes Ballinas-Casarrubias
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, México
| | | | | | | | - María C Ishida
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, México
| | - Daniela S Gutiérrez-Torres
- Programa de Maestría en Ciencias en Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Chihuahua, México
| | - R Jesse Saunders
- *Department of Nutrition, Gillings School of Global Public Health
| | - Jamie Crandell
- Department of Biostatistics Gillings School of Global Public Health School of Nursing
| | - Rebecca C Fry
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health and Curriculum in Toxicology, University of North Carolina, Chapel Hill, North Carolina
| | - Dana Loomis
- International Agency for Research of Cancer, Monographs Section, Lyon Cedex, France
| | - Gonzalo G García-Vargas
- Facultad de Medicina, Universidad Juárez del Estado de Durango, Gómez Palacio, Durango, México
| | - Luz M Del Razo
- **Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, México DF, México
| | - Miroslav Stýblo
- *Department of Nutrition, Gillings School of Global Public Health
| | - Michelle A Mendez
- *Department of Nutrition, Gillings School of Global Public Health Carolina Population Center and Lineberger Cancer Center, University of North Carolina, Chapel Hill, North Carolina
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Agusa T, Kunito T, Minh Tue N, Thi Mai Lan V, Binh Minh T, Thi Kim Trang P, Fujihara J, Takeshita H, Takahashi S, Hung Viet P, Tanabe S, Iwata H. [Relationship between Arsenic (+3 Oxidation State) Methyltransferase Genetic Polymorphisms and Methylation Capacity of Inorganic Arsenic]. Nihon Eiseigaku Zasshi 2016; 70:186-96. [PMID: 26411936 DOI: 10.1265/jjh.70.186] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Arsenic metabolism affects the susceptibility of humans to arsenic toxicity; therefore, clarification of the factors associated with individual variations in arsenic metabolism is an important task. Genetic polymorphisms such as single nucleotide polymorphisms (SNPs) in arsenic (+3 oxidation state) methyltransferase (AS3MT), which can methylate arsenic compounds using S-adenosyl-l-methionine (AdoMet), have been reported to modify arsenic methylation. In this review, we summarize studies conducted by us in Vietnam and by others on the association of AS3MT genetic polymorphisms with arsenic metabolism as well as human health effects. Most of the SNPs in AS3MT showed inconsistent results in terms of genotype-dependent differences in arsenic metabolism among the studies. However, AS3MT 12390 (rs3740393) and 14458 (rs11191439) were consistently related to arsenic methylation regardless of the study population: AS3MT 12390 (rs3740393) affected the second step of methylation of arsenic, whereas 14458 (rs11191439) affected the first methylation step.
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Affiliation(s)
- Tetsuro Agusa
- Center for Marine Environmental Studies (CMES), Ehime University
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Wang Y, He J, Ma TJ, Lei W, Li F, Shen H, Shen ZY. GSTT1 Null Genotype Significantly Increases the Susceptibility to Urinary System Cancer: Evidences from 63,876 Subjects. J Cancer 2016; 7:1680-1693. [PMID: 27698905 PMCID: PMC5039389 DOI: 10.7150/jca.15494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 05/18/2016] [Indexed: 02/07/2023] Open
Abstract
GSTT1 gene plays an important role in detoxification and clearance of reactive oxygen species(ROS). A null variant in this gene has been demonstrated to confer cancer susceptibility. Although many studies have demonstrated the association between GSTT1 null polymorphism and urinary system cancer susceptibility, several publications reported opposite conclusions. For better understanding the effects of this polymorphism on the risk of urinary system cancer, a updated meta-analysis was performed with a total of 26,666 cases and 37,210 controls extracted from 117 studies, by following the latest meta-analysis guidelines (PRISMA). The results suggested that the GSTT1 null genotype was significantly associated with an increased risk of urinary system cancer (OR=1.13, 95%CI=1.05-1.22). Furthermore, stratified analyses by the type of cancer, ethnicity, source of control and quality score presented a significantly increased risk associated with GSTT1 null genotype in bladder and prostate cancer subgroup, Caucasians and Indians subgroup, population-based(PB) subgroup, medium quality and low quality subgroup. Overall, our meta-analysis suggested that GSTT1 null genotype is a potential cancer susceptibility variant. Well-designed and large-cohort studies are needed to confirm the association between GSTT1 null genotype and urinary system cancer risk.
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Affiliation(s)
- Ying Wang
- Department of Cardiovascular Surgery of the First Affiliated Hospital& Institute for Cardiovascular Science, Soochow University, Suzhou, Jiangsu, China
| | - Jing He
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Department of Experimental Research, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, Guangdong, China
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, Guangdong, China
| | - Tian-Jiao Ma
- Department of Internal Medicine, Harbin Medical University, Harbin 150081, Heilongjiang, China
| | - Wei Lei
- Department of Cardiovascular Surgery of the First Affiliated Hospital& Institute for Cardiovascular Science, Soochow University, Suzhou, Jiangsu, China
| | - Feng Li
- Department of Urinary Surgery, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Han Shen
- Department of Cardiovascular Surgery of the First Affiliated Hospital& Institute for Cardiovascular Science, Soochow University, Suzhou, Jiangsu, China
| | - Zhen-Ya Shen
- Department of Cardiovascular Surgery of the First Affiliated Hospital& Institute for Cardiovascular Science, Soochow University, Suzhou, Jiangsu, China
- ✉ Corresponding author: Zhen-Ya Shen, Department of Cardiovascular Surgery & Institute of Cardiovascular Science, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China,
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33
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DNA methylation changes in the placenta are associated with fetal manganese exposure. Reprod Toxicol 2015; 57:43-9. [PMID: 25982381 DOI: 10.1016/j.reprotox.2015.05.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 04/13/2015] [Accepted: 05/07/2015] [Indexed: 12/22/2022]
Abstract
Adequate micronutrient intake, including manganese (Mn), is important for fetal development. Both Mn deficiencies and excess exposures are associated with later-life disease, and Mn accumulates in the placenta. Placental functional alterations may alter fetal programming and lifelong health, and we hypothesized that prenatal exposures to Mn may alter placental function through epigenetic mechanisms. Using Illumina's HumanMethylation450 BeadArray, DNA methylation of >485,000 CpG loci genome-wide was interrogated in 61 placental samples and Mn associations assessed genome-wide via omnibus test (p=0.045). 713 loci were associated with Mn exposure (p<0.0001). Five significantly differentially-methylated (p<1.3×10(-7)) loci reside in neurodevelopmental, fetal growth and cancer-related genes. cg22284422, within the uncharacterized LOC284276 gene, was associated with birth weight; for every 10% increase in methylation, lower birth weights were observed, with an average decrease of 293.44g. Our observations suggest a link between prenatal micronutrient levels, placental epigenetic status and birth weight, although these preliminary results require validation.
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Engström KS, Vahter M, Fletcher T, Leonardi G, Goessler W, Gurzau E, Koppova K, Rudnai P, Kumar R, Broberg K. Genetic variation in arsenic (+3 oxidation state) methyltransferase (AS3MT), arsenic metabolism and risk of basal cell carcinoma in a European population. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2015; 56:60-9. [PMID: 25156000 PMCID: PMC4322484 DOI: 10.1002/em.21896] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 08/11/2014] [Indexed: 05/19/2023]
Abstract
Exposure to inorganic arsenic increases the risk of basal cell carcinoma (BCC). Arsenic metabolism is a susceptibility factor for arsenic toxicity, and specific haplotypes in arsenic (+3 oxidation state) methyltransferase (AS3MT) have been associated with increased urinary fractions of the most toxic arsenic metabolite, methylarsonic acid (MMA). The aim of this study is to elucidate the association of AS3MT haplotypes with arsenic metabolism and the risk of BCC. Four AS3MT polymorphisms were genotyped in BCC cases (N = 529) and controls (N = 533) from Eastern Europe with low to moderate arsenic exposure (lifetime average drinking water concentration: 1.3 µg/L, range 0.01-167 µg/L). Urinary metabolites [inorganic arsenic (iAs), MMA, dimethylarsinic acid (DMA)] were analyzed by HPLC-ICPMS. Five AS3MT haplotypes (based on rs3740400 A/C, rs3740393 G/C, rs11191439 T/C and rs1046778 T/C) had frequencies >5%. Individuals with the CCTC haplotype had lower %iAs (P = 0.032) and %MMA (P = 0.020) in urine, and higher %DMA (P = 0.033); individuals with the CGCT haplotype had higher %MMA (P < 0.001) and lower %DMA (P < 0.001). All haplotypes showed increased risk of BCC with increasing arsenic exposure through drinking water (ORs 1.1-1.4, P values from <0.001 to 0.082), except for the CCTC haplotype (OR 1.0, CI 0.9-1.2, P value 0.85). The results suggest that carriage of AS3MT haplotypes associated with less-efficient arsenic methylation, or lack of AS3MT haplotypes associated with a more-efficient arsenic methylation, results in higher risk of arsenic-related BCC. The fact that AS3MT haplotype status modified arsenic metabolism, and in turn the arsenic-related BCC risk, supports a causal relationship between low-level arsenic exposure and BCC.
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Affiliation(s)
- Karin S Engström
- Division of Occupational and Environmental Medicine, Lund UniversityLund, Sweden
| | - Marie Vahter
- Section for Metals and Health, Institute for Environmental Medicine, Karolinska InstitutetSolna, Sweden
| | - Tony Fletcher
- London School of Hygiene & Tropical MedicineLondon, United Kingdom
| | | | - Walter Goessler
- Institut für Chemie, Analytische Chemie, Karl-Franzens-UniversitätGraz, Austria
| | - Eugen Gurzau
- Health Department, Environmental Health Center, Babes Bolyai UniversityCluj-Napoca, Romania
| | - Kvetoslava Koppova
- Department of Environmental Health, Regional Authority of Public HealthBanska Bystrica, Slovakia
| | - Peter Rudnai
- Department of Environmental Epidemiology, National Institute of Environmental HealthBudapest, Hungary
| | - Rajiv Kumar
- Division of Molecular Genetic Epidemiology, German Cancer Research CentreHeidelberg, Germany
| | - Karin Broberg
- Division of Occupational and Environmental Medicine, Lund UniversityLund, Sweden
- Section for Metals and Health, Institute for Environmental Medicine, Karolinska InstitutetSolna, Sweden
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Méndez-Giménez L, Rodríguez A, Balaguer I, Frühbeck G. Role of aquaglyceroporins and caveolins in energy and metabolic homeostasis. Mol Cell Endocrinol 2014; 397:78-92. [PMID: 25008241 DOI: 10.1016/j.mce.2014.06.017] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 06/25/2014] [Accepted: 06/26/2014] [Indexed: 12/23/2022]
Abstract
Aquaglyceroporins and caveolins are submicroscopic integral membrane proteins that are particularly abundant in many mammalian cells. Aquaglyceroporins (AQP3, AQP7, AQP9 and AQP10) encompass a subfamily of aquaporins that allow the movement of water, but also of small solutes, such as glycerol, across cell membranes. Glycerol constitutes an important metabolite as a substrate for de novo synthesis of triacylglycerols and glucose as well as an energy substrate to produce ATP via the mitochondrial oxidative phosphorylation. In this sense, the control of glycerol influx/efflux in metabolic organs by aquaglyceroporins plays a crucial role with the dysregulation of these glycerol channels being associated with metabolic diseases, such as obesity, insulin resistance, non-alcoholic fatty liver disease and cardiac hypertrophy. On the other hand, caveolae have emerged as relevant plasma membrane sensors implicated in a wide range of cellular functions, including endocytosis, apoptosis, cholesterol homeostasis, proliferation and signal transduction. Caveolae-coating proteins, namely caveolins and cavins, can act as scaffolding proteins within caveolae by concentrating signaling molecules involved in free fatty acid and cholesterol uptake, proliferation, insulin signaling or vasorelaxation, among others. The importance of caveolae in whole-body homeostasis is highlighted by the link between homozygous mutations in genes encoding caveolins and cavins with metabolic diseases, such as lipodystrophy, dyslipidemia, muscular dystrophy and insulin resistance in rodents and humans. The present review focuses on the role of aquaglyceroporins and caveolins on lipid and glucose metabolism, insulin secretion and signaling, energy production and cardiovascular homeostasis, outlining their potential relevance in the development and treatment of metabolic diseases.
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Affiliation(s)
- Leire Méndez-Giménez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Pamplona, Spain
| | - Amaia Rodríguez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Pamplona, Spain.
| | - Inmaculada Balaguer
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain
| | - Gema Frühbeck
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III, Pamplona, Spain; Department of Endocrinology and Nutrition, Clínica Universidad de Navarra, Pamplona, Spain.
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36
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Genetic polymorphisms in Glutathione S-transferase Omega (GSTO) and cancer risk: a meta-analysis of 20 studies. Sci Rep 2014; 4:6578. [PMID: 25300926 PMCID: PMC4192632 DOI: 10.1038/srep06578] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Accepted: 09/15/2014] [Indexed: 12/28/2022] Open
Abstract
Glutathione S-transferase Omega (GSTO) plays an important role in the development of cancer. Recently, a number of studies have investigated the association between single nucleotide polymorphisms on GSTO and susceptibility to cancer; however, the results remain inconclusive. We performed a meta-analysis of 20 studies, involving 4770 cases and 5701 controls to identify the strength of association by pooled odds ratios (ORs) with corresponding 95% confidence intervals (CIs). Overall, the pooled results revealed a significantly increased risk of susceptibility for GSTO2 polymorphism (GG vs. AA: OR = 1.20, 95%CI: 1.02-1.41, Pheterogeneity = 0.116), but no significant association was found for GSTO1 polymorphism. Subgroup analysis showed that GSTO2 polymorphism significantly increased cancer risk in Caucasian population (GG vs. AA: OR = 1.32, 95%CI 1.06-1.64, Pheterogeneity = 0.616) and GSTO2 polymorphism was significantly associated with elevated risk of breast cancer (GG vs. AA OR = 1.37, 95%CI: 1.06-1.77; Pheterogeneity = 0.281). This meta-analysis demonstrates that GSTO2 polymorphism may significantly increase cancer risk in Caucasian population and is associated with elevated risk of breast cancer; while GSTO1 polymorphism is not associated with cancer risk.
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37
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Antonelli R, Shao K, Thomas DJ, Sams R, Cowden J. AS3MT, GSTO, and PNP polymorphisms: impact on arsenic methylation and implications for disease susceptibility. ENVIRONMENTAL RESEARCH 2014; 132:156-67. [PMID: 24792412 DOI: 10.1016/j.envres.2014.03.012] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Revised: 03/05/2014] [Accepted: 03/12/2014] [Indexed: 05/19/2023]
Abstract
BACKGROUND Oral exposure to inorganic arsenic (iAs) is associated with adverse health effects. Epidemiological studies suggest differences in susceptibility to these health effects, possibly due to genotypic variation. Genetic polymorphisms in iAs metabolism could lead to increased susceptibility by altering urinary iAs metabolite concentrations. OBJECTIVE To examine the impact of genotypic polymorphisms on iAs metabolism. METHODS We screened 360 publications from PubMed and Web of Science for data on urinary mono- and dimethylated arsenic (MMA and DMA) percentages and polymorphic genes encoding proteins that are hypothesized to play roles in arsenic metabolism. The genes we examined were arsenic (+3) methyltransferase (AS3MT), glutathione-s-transferase omega (GSTO), and purine nucleoside phosphorylase (PNP). Relevant data were pooled to determine which polymorphisms are associated across studies with changes in urinary metabolite concentration. RESULTS In our review, AS3MT polymorphisms rs3740390, rs11191439, and rs11191453 were associated with statistically significant changes in percent urinary MMA. Studies of GSTO polymorphisms did not indicate statistically significant associations with methylation, and there are insufficient data on PNP polymorphisms to evaluate their impact on metabolism. DISCUSSION Collectively, these data support the hypothesis that AS3MT polymorphisms alter in vivo metabolite concentrations. Preliminary evidence suggests that AS3MT genetic polymorphisms may impact disease susceptibility. GSTO polymorphisms were not associated with iAs-associated health outcomes. Additional data are needed to evaluate the association between PNP polymorphisms and iAs-associated health outcomes. Delineation of these relationships may inform iAs mode(s) of action and the approach for evaluating low-dose health effects for iAs. CONCLUSIONS Genotype impacts urinary iAs metabolite concentrations and may be a potential mechanism for iAs-related disease susceptibility.
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Affiliation(s)
- Ray Antonelli
- ORISE Fellow, Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Kan Shao
- ORISE Fellow, Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - David J Thomas
- Integrated Systems Toxicology Division, National Health and Environmental Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Reeder Sams
- Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, Research Triangle Park Division, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - John Cowden
- Hazardous Pollutant Assessment Group, National Center for Environmental Assessment, Research Triangle Park Division, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
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Lu K, Cable PH, Abo RP, Ru H, Graffam ME, Schlieper KA, Parry NMA, Levine S, Bodnar WM, Wishnok JS, Styblo M, Swenberg JA, Fox JG, Tannenbaum SR. Gut microbiome perturbations induced by bacterial infection affect arsenic biotransformation. Chem Res Toxicol 2013; 26:1893-903. [PMID: 24134150 DOI: 10.1021/tx4002868] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Exposure to arsenic affects large human populations worldwide and has been associated with a long list of human diseases, including skin, bladder, lung, and liver cancers, diabetes, and cardiovascular disorders. In addition, there are large individual differences in susceptibility to arsenic-induced diseases, which are frequently associated with different patterns of arsenic metabolism. Several underlying mechanisms, such as genetic polymorphisms and epigenetics, have been proposed, as these factors closely impact the individuals' capacity to metabolize arsenic. In this context, the role of the gut microbiome in directly metabolizing arsenic and triggering systemic responses in diverse organs raises the possibility that perturbations of the gut microbial communities affect the spectrum of metabolized arsenic species and subsequent toxicological effects. In this study, we used an animal model with an altered gut microbiome induced by bacterial infection, 16S rRNA gene sequencing, and inductively coupled plasma mass spectrometry-based arsenic speciation to examine the effect of gut microbiome perturbations on the biotransformation of arsenic. Metagenomics sequencing revealed that bacterial infection significantly perturbed the gut microbiome composition in C57BL/6 mice, which in turn resulted in altered spectra of arsenic metabolites in urine, with inorganic arsenic species and methylated and thiolated arsenic being perturbed. These data clearly illustrated that gut microbiome phenotypes significantly affected arsenic metabolic reactions, including reduction, methylation, and thiolation. These findings improve our understanding of how infectious diseases and environmental exposure interact and may also provide novel insight regarding the gut microbiome composition as a new risk factor of individual susceptibility to environmental chemicals.
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Affiliation(s)
- Kun Lu
- Department of Biological Engineering, ‡Department of Biology, §Division of Comparative Medicine, and ∥Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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Cordova EJ, Valenzuela OL, Sánchez-Peña LC, Escamilla-Guerrero G, Hernández-Zavala A, Orozco L, Razo LMD. Nuclear factor erythroid 2-related factor gene variants and susceptibility of arsenic-related skin lesions. Hum Exp Toxicol 2013; 33:582-9. [DOI: 10.1177/0960327113506234] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Inorganic arsenic (iAs) is an important pollutant associated with various chronic-degenerative diseases. The cytoprotective protein nuclear factor erythroid 2-related factor (NRF2) has been proposed as an important responsive mechanism against iAs exposure. The aim of this study was to determine whether the risk of skin lesions in people exposed to iAs-contaminated water could be modified by the presence of single nucleotide polymorphisms in the NRF2 coding gene. We studied 117 individuals with long-term iAs exposure and 120 nonexposed individuals. Total As was determined in water, meanwhile iAs and its metabolites were measured in urine. The iAs-induced skin lesion status was evaluated by expert dermatologists. We sequenced the promoter region of NRF2 in a sample of 120 healthy donors. We found four polymorphisms previously reported and one novel polymorphism in the 5′ regulatory region of the NRF2. In this study, we did not find allelic and genotype association of NRF2 polymorphisms with iAs-related skin lesion. However, the analysis of haplotypes composed by –653GA, and –617CA NRF2 single nucleotide polymorphisms showed a significant association with protection against skin lesions in the low-As exposure group. This is the first report studying the association between NRF2 polymorphisms and susceptibility of As-related skin lesions. Increasing the sample size will allow us to confirm this data.
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Affiliation(s)
- EJ Cordova
- Immunogenomics and Metabolic Diseases, National Institute of Genomic Medicine, Health Ministry, Mexico City, Mexico
| | - OL Valenzuela
- Department of Toxicology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Mexico City, Mexico
| | - LC Sánchez-Peña
- Department of Toxicology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Mexico City, Mexico
| | | | - A Hernández-Zavala
- Sección de Investigación y Posgrado, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City, Mexico
| | - L Orozco
- Immunogenomics and Metabolic Diseases, National Institute of Genomic Medicine, Health Ministry, Mexico City, Mexico
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, Mexico City, Mexico
| | - LM Del Razo
- Department of Toxicology, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Mexico City, Mexico
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Djukic TI, Savic-Radojevic AR, Pekmezovic TD, Matic MG, Pljesa-Ercegovac MS, Coric VM, Radic TM, Suvakov SR, Krivic BN, Dragicevic DP, Simic TP. Glutathione S-transferase T1, O1 and O2 polymorphisms are associated with survival in muscle invasive bladder cancer patients. PLoS One 2013; 8:e74724. [PMID: 24040330 PMCID: PMC3770566 DOI: 10.1371/journal.pone.0074724] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Accepted: 08/02/2013] [Indexed: 11/26/2022] Open
Abstract
Objective To examine the association of six glutathione transferase (GST) gene polymorphisms (GSTT1, GSTP1/rs1695, GSTO1/rs4925, GSTO2/rs156697, GSTM1, GSTA1/rs3957357) with the survival of patients with muscle invasive bladder cancer and the genotype modifying effect on chemotherapy. Patients and Methods A total of 105 patients with muscle invasive bladder cancer were included in the study. The follow-up lasted 5 years. The effect of GSTs polymorphisms on predicting mortality was analyzed by the Cox proportional hazard models, while Kaplan-Meier analysis was performed to assess differences in survival. Results GSTT1 active, GSTO1 Asp140Asp or GSTO2 Asp142Asp genotypes were independent predictors of a higher risk of death among bladder cancer patients (HR = 2.5, P = 0.028; HR = 2.9, P = 0.022; HR = 3.9, P = 0.001; respectively) and significantly influenced the overall survival. There was no association between GSTP1, GSTM1 and GSTA1 gene variants with overall mortality. Only GSTO2 polymorphism showed a significant effect on the survival in the subgroup of patients who received chemotherapy (P = 0.006). Conclusion GSTT1 active genotype and GSTO1 Asp140Asp and GSTO2 Asp142Asp genotypes may have a prognostic/pharmacogenomic role in patients with muscle invasive bladder cancer.
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Affiliation(s)
- Tatjana I. Djukic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Ana R. Savic-Radojevic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Tatjana D. Pekmezovic
- Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Marija G. Matic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Marija S. Pljesa-Ercegovac
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Vesna M. Coric
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Tanja M. Radic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Sonja R. Suvakov
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | | | - Dejan P. Dragicevic
- Clinic of Urology, Clinical Centre of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Tatjana P. Simic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- * E-mail:
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Li X, Li B, Xi S, Zheng Q, Wang D, Sun G. Association of urinary monomethylated arsenic concentration and risk of hypertension: a cross-sectional study from arsenic contaminated areas in northwestern China. Environ Health 2013; 12:37. [PMID: 23602086 PMCID: PMC3639875 DOI: 10.1186/1476-069x-12-37] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 04/17/2013] [Indexed: 05/08/2023]
Abstract
BACKGROUND Although some studies mainly from Taiwan, Bangladesh and the United States, have suggested a consistent dose-response increase in the prevalence of hypertension with increasing arsenic exposure, the association between chronic environmental arsenic exposure and the risk of hypertension is still inconclusive. Most of the studies discussed the association from the point of view of arsenic concentration in drinking water or cumulative arsenic exposure (CAE), few involved arsenic speciation into the discussion. In this cross-sectional study, we evaluated the potential association between environmental arsenic exposure through drinking water and the prevalence of hypertension by analyzing not only CAE but also urinary arsenic speciation, and provided data on arsenic exposure and hypertension from mainland of China. METHODS A cross-sectional study was conducted in one of the arsenic contaminated areas in the northwest of China. Among a total of 1005 residents who voluntarily participated in the study, 604 of eligible subjects were confirmed and interviewed door to door. Standing height, body weight, and blood pressure were measured. First void urine was collected and measured for the concentration of urinary arsenic speciation. CAE was calculated in a subpopulation of 360 subjects with detailed water consumption history. The association between urinary arsenic speciation, CAE and the risk of hypertension were analyzed by multiple logistic regressions. RESULTS We found that the levels of urinary arsenic species of inorganic arsenic (iAs), monomethylated arsenic (MMA), dimethylated arsenic (DMA) and total arsenic (tAs) were significantly correlated with systolic or pulse blood pressure. A positive relationship was found between the highest tertile of CAE and hypertension in a dose-dependent manner. Subjects with higher concentration of urinary MMA or lower percentage of DMA tended to be liable to suffer from hypertension. A significant increasing trend of the risk of hypertension with increasing tertiles of MMA concentration was also observed in the logistic regression models both before and after adjustment for confounders. CONCLUSIONS Our findings suggested that arsenic exposure, especially high level of CAE, was positively associated with the prevalence of hypertension, and that higher concentration of urinary MMA might be related to the increased susceptibility to hypertension.
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Affiliation(s)
- Xin Li
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 BeiEr Road, Heping District, Shenyang, Liaoning Province, 110001, China
| | - Bing Li
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 BeiEr Road, Heping District, Shenyang, Liaoning Province, 110001, China
| | - Shuhua Xi
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 BeiEr Road, Heping District, Shenyang, Liaoning Province, 110001, China
| | - Quanmei Zheng
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 BeiEr Road, Heping District, Shenyang, Liaoning Province, 110001, China
| | - Da Wang
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 BeiEr Road, Heping District, Shenyang, Liaoning Province, 110001, China
| | - Guifan Sun
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, No. 92 BeiEr Road, Heping District, Shenyang, Liaoning Province, 110001, China
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Faita F, Cori L, Bianchi F, Andreassi MG. Arsenic-induced genotoxicity and genetic susceptibility to arsenic-related pathologies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2013; 10:1527-46. [PMID: 23583964 PMCID: PMC3709332 DOI: 10.3390/ijerph10041527] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 03/22/2013] [Accepted: 04/03/2013] [Indexed: 12/24/2022]
Abstract
The arsenic (As) exposure represents an important problem in many parts of the World. Indeed, it is estimated that over 100 million individuals are exposed to arsenic, mainly through a contamination of groundwaters. Chronic exposure to As is associated with adverse effects on human health such as cancers, cardiovascular diseases, neurological diseases and the rate of morbidity and mortality in populations exposed is alarming. The purpose of this review is to summarize the genotoxic effects of As in the cells as well as to discuss the importance of signaling and repair of arsenic-induced DNA damage. The current knowledge of specific polymorphisms in candidate genes that confer susceptibility to arsenic exposure is also reviewed. We also discuss the perspectives offered by the determination of biological markers of early effect on health, incorporating genetic polymorphisms, with biomarkers for exposure to better evaluate exposure-response clinical relationships as well as to develop novel preventative strategies for arsenic- health effects.
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Affiliation(s)
- Francesca Faita
- Institute of Clinical Physiology, CNR, via Moruzzi 1, Pisa 56124, Italy.
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Liu M, Chen L, Zhou R, Wang J. Association between GSTM1 polymorphism and DNA adduct concentration in the occupational workers exposed to PAHs: A meta-analysis. Gene 2013; 519:71-6. [DOI: 10.1016/j.gene.2013.01.045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2012] [Revised: 01/28/2013] [Accepted: 01/29/2013] [Indexed: 12/16/2022]
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44
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Quantitative assessment of the association between glutathione S-transferase P1 Ile105Val polymorphism and bladder cancer risk. Tumour Biol 2013; 34:1651-7. [PMID: 23483487 DOI: 10.1007/s13277-013-0698-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2013] [Accepted: 02/04/2013] [Indexed: 10/27/2022] Open
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45
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Tellez-Plaza M, Gribble MO, Voruganti VS, Francesconi KA, Goessler W, Umans JG, Silbergeld EK, Guallar E, Franceschini N, North KE, Kao WH, MacCluer JW, Cole SA, Navas-Acien A. Heritability and preliminary genome-wide linkage analysis of arsenic metabolites in urine. ENVIRONMENTAL HEALTH PERSPECTIVES 2013; 121:345-51. [PMID: 23322787 PMCID: PMC3621197 DOI: 10.1289/ehp.1205305] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2012] [Accepted: 01/14/2013] [Indexed: 05/19/2023]
Abstract
BACKGROUND Arsenic (III) methyltransferase (AS3MT) has been related to urine arsenic metabolites in association studies. Other genes might also play roles in arsenic metabolism and excretion. OBJECTIVE We evaluated genetic determinants of urine arsenic metabolites in American Indian adults from the Strong Heart Study (SHS). METHODS We evaluated heritability of urine arsenic metabolites [percent inorganic arsenic (%iAs), percent monomethylarsonate (%MMA), and percent dimethylarsinate (%DMA)] in 2,907 SHS participants with urine arsenic measurements and at least one relative within the cohort. We conducted a preliminary linkage analysis in a subset of 487 participants with available genotypes on approximately 400 short tandem repeat markers using a general pedigree variance component approach for localizing quantitative trait loci (QTL). RESULTS The medians (interquartile ranges) for %iAs, %MMA, and %DMA were 7.7% (5.4-10.7%), 13.6% (10.5-17.1%), and 78.4% (72.5-83.1%), respectively. The estimated heritability was 53% for %iAs, 50% for %MMA, and 59% for %DMA. After adjustment for sex, age, smoking, body mass index, alcohol consumption, region, and total urine arsenic concentrations, LOD [logarithm (to the base of 10) of the odds] scores indicated suggestive evidence for genetic linkage with QTLs influencing urine arsenic metabolites on chromosomes 5 (LOD = 2.03 for %iAs), 9 (LOD = 2.05 for %iAs and 2.10 for %MMA), and 11 (LOD = 1.94 for %iAs). A peak for %DMA on chromosome 10 within 2 Mb of AS3MT had an LOD of 1.80. CONCLUSIONS This population-based family study in American Indian communities supports a genetic contribution to variation in the distribution of arsenic metabolites in urine and, potentially, the involvement of genes other than AS3MT.
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Affiliation(s)
- Maria Tellez-Plaza
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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Di Pierro GB, Gulia C, Cristini C, Fraietta G, Marini L, Grande P, Gentile V, Piergentili R. Bladder cancer: a simple model becomes complex. Curr Genomics 2013; 13:395-415. [PMID: 23372425 PMCID: PMC3401896 DOI: 10.2174/138920212801619232] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2012] [Revised: 06/11/2012] [Accepted: 06/12/2012] [Indexed: 12/12/2022] Open
Abstract
Bladder cancer is one of the most frequent malignancies in developed countries and it is also characterized by a high number of recurrences. Despite this, several authors in the past reported that only two altered molecular pathways may genetically explain all cases of bladder cancer: one involving the FGFR3 gene, and the other involving the TP53 gene. Mutations in any of these two genes are usually predictive of the malignancy final outcome. This cancer may also be further classified as low-grade tumors, which is always papillary and in most cases superficial, and high-grade tumors, not necessarily papillary and often invasive. This simple way of considering this pathology has strongly changed in the last few years, with the development of genome-wide studies on expression profiling and the discovery of small non-coding RNA affecting gene expression. An easy search in the OMIM (On-line Mendelian Inheritance in Man) database using "bladder cancer" as a query reveals that genes in some way connected to this pathology are approximately 150, and some authors report that altered gene expression (up- or down-regulation) in this disease may involve up to 500 coding sequences for low-grade tumors and up to 2300 for high-grade tumors. In many clinical cases, mutations inside the coding sequences of the above mentioned two genes were not found, but their expression changed; this indicates that also epigenetic modifications may play an important role in its development. Indeed, several reports were published about genome-wide methylation in these neoplastic tissues, and an increasing number of small non-coding RNA are either up- or down-regulated in bladder cancer, indicating that impaired gene expression may also pass through these metabolic pathways. Taken together, these data reveal that bladder cancer is far to be considered a simple model of malignancy. In the present review, we summarize recent progress in the genome-wide analysis of bladder cancer, and analyse non-genetic, genetic and epigenetic factors causing extensive gene mis-regulation in malignant cells.
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Affiliation(s)
- Giovanni Battista Di Pierro
- Dipartimento di Scienze Ginecologico-Ostetriche e Scienze Urologiche, Policlinico Umberto I, Sapienza - Università di Roma
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Bhattacharjee P, Chatterjee D, Singh KK, Giri AK. Systems biology approaches to evaluate arsenic toxicity and carcinogenicity: an overview. Int J Hyg Environ Health 2013; 216:574-86. [PMID: 23340121 DOI: 10.1016/j.ijheh.2012.12.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 12/11/2012] [Accepted: 12/13/2012] [Indexed: 01/08/2023]
Abstract
Long term exposure to arsenic, either through groundwater, food stuff or occupational sources, results in a plethora of dermatological and non-dermatological health effects including multi-organ cancer and early mortality. Several epidemiological studies, across the globe have reported arsenic-induced health effects and cancerous outcomes; but the prevalence of such diseases varies depending on environmental factors (geographical location, exposure level), and genetic makeup (and variants thereof); which is further modulated by several other factors like ethnicity, age-sex, smoking status, diet, etc. It is also interesting to note that, chronic arsenic exposure to a similar extent, even among the same family members, result in wide inter-individual variations. To understand the adverse effect of this toxic metabolite on biological system (cellular targets), and to unravel the underlying molecular basis (at the level of transcript, proteome, or metabolite), a holistic, systems biology approach was taken. Due to the paradoxical nature and unavailability of any suitable animal model system; the literature review is primarily based on cell line and population based studies. Thus, here we present a comprehensive review on the systems biology approaches to explore the underlying mechanism of arsenic-induced carcinogenicity, along with our own observations and an overview of mitigation strategies and their effectiveness till date.
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Affiliation(s)
- Pritha Bhattacharjee
- Molecular and Human Genetics Division, Indian Institute of Chemical Biology, Kolkata, India
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Chung CJ, Huang CY, Pu YS, Shiue HS, Su CT, Hsueh YM. The effect of cigarette smoke and arsenic exposure on urothelial carcinoma risk is modified by glutathione S-transferase M1 gene null genotype. Toxicol Appl Pharmacol 2013; 266:254-9. [DOI: 10.1016/j.taap.2012.11.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Revised: 10/16/2012] [Accepted: 11/06/2012] [Indexed: 01/07/2023]
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49
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Wu K, Wang X, Xie Z, Liu Z, Lu Y. Glutathione S-transferase P1 gene polymorphism and bladder cancer susceptibility: an updated analysis. Mol Biol Rep 2012; 40:687-95. [PMID: 23054023 DOI: 10.1007/s11033-012-2109-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Accepted: 10/03/2012] [Indexed: 02/05/2023]
Abstract
Studies investigating the association between glutathione S-transferase P1 (GSTP1) gene polymorphism and bladder cancer (BC) risk have reported conflicting results. In order to clarify the effect of GSTP1 polymorphism on the BC susceptibility, we conducted an updated system review of published epidemiology studies to provide more precise evidence. We performed a systematic search of PubMed, EMBASE, and China National Knowledge Infrastructure (CNKI). 20 studies with 4,428 BC cases and 5,457 controls were identified. The combined analyses based on all studies showed that there was a significant difference in the genotype distribution in GSTP1(A313G) polymorphism between BC cases and controls not only in Asians (GG vs. AA + AG, OR = 1.59, 95 % CI = 1.01-2.51) but also in Caucasians (GG vs. AA + AG, OR = 1.51, 95 % CI = 1.11-2.06). Upon stratification for smoking status, we observed no statistically significant difference in genotype distribution of GSTP1 in ever-smokers. Combination of the high-risk genotypes (GSTM1 null + GSTT1 null + GSTP1 313 A/G or G/G) demonstrated further increase in the BC risk (OR = 6.64, 95 %CI = 3.63-12.16). This meta-analysis suggests that GSTP1 313 G/G polymorphism is a strong predisposing risk factor for BC.
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Affiliation(s)
- Ke Wu
- Department of Urology, West China Hospital, Sichuan University, 37 Guo Xue Road, Chengdu 610041, China
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50
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Beebe-Dimmer JL, Iyer PT, Nriagu JO, Keele GR, Mehta S, Meliker JR, Lange EM, Schwartz AG, Zuhlke KA, Schottenfeld D, Cooney KA. Genetic variation in glutathione S-transferase omega-1, arsenic methyltransferase and methylene-tetrahydrofolate reductase, arsenic exposure and bladder cancer: a case-control study. Environ Health 2012. [PMID: 22747749 DOI: 10.1186/1476-1069x-1111-1143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
BACKGROUND Ingestion of groundwater with high concentrations of inorganic arsenic has been linked to adverse health outcomes, including bladder cancer, however studies have not consistently observed any elevation in risk at lower concentrations. Genetic variability in the metabolism and clearance of arsenic is an important consideration in any investigation of its potential health risks. Therefore, we examined the association between genes thought to play a role in the metabolism of arsenic and bladder cancer. METHODS Single nucleotide polymorphisms (SNPs) in GSTO-1, As3MT and MTHFR were genotyped using DNA from 219 bladder cancer cases and 273 controls participating in a case-control study in Southeastern Michigan and exposed to low to moderate (<50 μg/L) levels of arsenic in their drinking water. A time-weighted measure of arsenic exposure was constructed using measures from household water samples combined with past residential history, geocoded and merged with archived arsenic data predicted from multiple resources. RESULTS While no single SNP in As3MT was significantly associated with bladder cancer overall, several SNPs were associated with bladder cancer among those exposed to higher arsenic levels. Individuals with one or more copies of the C allele in rs11191439 (the Met287Thr polymorphism) had an elevated risk of bladder cancer (OR = 1.17; 95% CI = 1.04-1.32 per 1 μg/L increase in average exposure). However, no association was observed between average arsenic exposure and bladder cancer among TT homozygotes in the same SNP. Bladder cancer cases were also 60% less likely to be homozygotes for the A allele in rs1476413 in MTHFR compared to controls (OR = 0.40; 95% CI = 0.18-0.88). CONCLUSIONS Variation in As3MT and MTHFR is associated with bladder cancer among those exposed to relatively low concentrations of inorganic arsenic. Further investigation is warranted to confirm these findings.
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Affiliation(s)
- Jennifer L Beebe-Dimmer
- Program of Population Studies and Disparities Research, Karmanos Cancer Institute, 4100 John R, Detroit, MI 48201, USA.
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