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Kocagöz R, Onat İ, Öz MD, Turna B, Kumbaracı BS, Orman MN, Süzen HS, Orhan H. The role of tissue persistent organic pollutants and genetic polymorphisms in patients with benign and malignant kidney tumors. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 110:104495. [PMID: 38950873 DOI: 10.1016/j.etap.2024.104495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 06/06/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024]
Abstract
This study aimed to explore whether there is an association between environmental exposure to POPs and kidney tumor induction, and whether blood POP concentrations reflect kidney tissue concentrations. POP derivatives were determined in blood, tumor tissue, tumor surrounding tissue, and perirenal fat tissue samples taken from patients who underwent surgery for renal tumors. A voluntary control group was recruited for blood and urine samples as well. Urinary excretions of o,o'-dityrosine, chlorotyrosine, nitrotyrosine, and 8-OHdG were measured in the same patients. The possible role of genetic polymorphisms in CYP1A1, GST isozymes P, M, and T, and hOGG1 genes on the predisposition to renal cancer was investigated. Some POPs have been found to be associated with kidney cancer, as evidenced by their significantly high ORs. 8-OHdG levels were significantly higher compared to the control group. The GSTT1 null polymorphism can be a risk factor for malignant but not for benign kidney tumors.
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Affiliation(s)
- Rasih Kocagöz
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, Bornova, İzmir 35040, Türki̇ye
| | - İlgen Onat
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, Bornova, İzmir 35040, Türki̇ye
| | - Merve Demirbügen Öz
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ankara University, Tandoğan, Ankara 06350, Türki̇ye
| | | | | | - Mehmet Nurullah Orman
- Department of Biostatistics and Medical Informatics, Faculty of Medicine, Ege University, Bornova, İzmir 35040, Türki̇ye
| | - Halit Sinan Süzen
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ankara University, Tandoğan, Ankara 06350, Türki̇ye
| | - Hilmi Orhan
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, Bornova, İzmir 35040, Türki̇ye; İzmir Biomedicine and Genome Center (İBG-İzmir), Balcova, İzmir 35340, Türkiye.
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2
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Plakogiannis FA, Weidmann J, Fraser B, Kwong J, Asi D, Kumar P, Baldock M, Naamo J, Baluja R, Catanzariti R, Yeung S, Pont L, Williams K, De Rubis G, Dua K, Bukhari NI. Investigation of smoking on the antiplatelet response to clopidogrel: Unravelling the smoker's paradox. Pathol Res Pract 2024; 257:155290. [PMID: 38640781 DOI: 10.1016/j.prp.2024.155290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/20/2024] [Accepted: 04/02/2024] [Indexed: 04/21/2024]
Abstract
The intricate relationship between smoking and the effects of the antiplatelet drug clopidogrel has been termed the "smoker's paradox". This paradox details the enhanced efficacy of clopidogrel in smokers compared to non-smokers. This review begins with an exploration of the proposed mechanisms of the smoker's paradox, particularly drawing attention to the induction of cytochrome P450 (CYP) isoenzymes via tobacco smoke, specifically the enzymes CYP1A2 and CYP2C19. Moreover, an investigation of the effects of genetic variability on the smoker's paradox was undertaken from both clinical and molecular perspectives, delving into the effects of ethnicity and genetic polymorphisms. The intriguing role of CYP1A2 genotypes and the response to clopidogrel in smoking and non-smoking populations was examined conferring insight into the individuality rather than universality of the smoker's paradox. CYP1A2 induction is hypothesised to elucidate the potency of smoking in exerting a counteracting effect in those taking clopidogrel who possess CYP2C19 loss of function polymorphisms. Furthermore, we assess the comparative efficacies of clopidogrel and other antiplatelet agents, namely prasugrel and ticagrelor. Studies indicated that prasugrel and ticagrelor provided a more consistent effect and further reduced platelet reactivity compared to clopidogrel within both smoking and non-smoking populations. Personalised dosing was another focus of the review considering patient comorbidities, genetic makeup, and smoking status with the objective of improving the antiplatelet response of those taking clopidogrel. In summation, this review provides insight into multiple areas of research concerning clopidogrel and the smoker's paradox taking into account proposed mechanisms, genetics, other antiplatelet agents, and personalised dosing.
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Affiliation(s)
- Frank A Plakogiannis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Jakob Weidmann
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Blake Fraser
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Justin Kwong
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Diana Asi
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Pratham Kumar
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Madeleine Baldock
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Jasmine Naamo
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Ruhani Baluja
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Rachelle Catanzariti
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Stewart Yeung
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Lisa Pont
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Kylie Williams
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Gabriele De Rubis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia.
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia.
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3
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Hu Q, Li C, Huang Y, Wei Z, Chen L, Luo Y, Li X. Effects of Glutathione S-Transferases (GSTM1, GSTT1 and GSTP1) gene variants in combination with smoking or drinking on cancers: A meta-analysis. Medicine (Baltimore) 2024; 103:e37707. [PMID: 38579033 PMCID: PMC10994484 DOI: 10.1097/md.0000000000037707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/04/2024] [Indexed: 04/07/2024] Open
Abstract
BACKGROUND This meta-analysis aimed to systematically summarize the association between cancer risks and glutathione s-transferases (GSTs) among smokers and drinkers. METHODS Literature was searched through PubMed, Web of Science, CNKI, and WANFANG published from 2001 to 2022. Stata was used with fixed-effect model or random-effect model to calculate pooled odds ratios (ORs) and the 95% confidence interval (95% CI). Sensitivity and heterogeneity calculations were performed, and publication bias was analyzed by Begg and Egger's test. Regression analysis was performed on the correlated variables about heterogeneity, and the false-positive report probabilities (FPRP) and the Bayesian False Discovery Probability (BFDP) were calculated to assess the confidence of a statistically significant association. RESULTS A total of 85 studies were eligible for GSTs and cancer with smoking status (19,604 cases and 23,710 controls), including 14 articles referring to drinking status (4409 cases and 5645 controls). GSTM1-null had significant associations with cancer risks (for smokers: OR = 1.347, 95% CI: 1.196-1.516, P < .001; for nonsmokers: OR = 1.423, 95% CI: 1.270-1.594, P < .001; for drinkers: OR = 1.748, 95% CI: 1.093-2.797, P = .02). GSTT1-null had significant associations with cancer risks (for smokers: OR = 1.356, 95% CI: 1.114-1.651, P = .002; for nonsmokers: OR = 1.103, 95% CI: 1.011-1.204, P = .028; for drinkers: OR = 1.423, 95% CI: 1.042-1.942, P = .026; for nondrinkers: OR = 1.458, 95% CI: 1.014-2.098, P = .042). Negative associations were found between GSTP1rs1695(AG + GG/AA) and cancer risks among nondrinkers (OR = 0.840, 95% CI: 0.711-0.985, P = .032). CONCLUSIONS GSTM1-null and GSTT1-null might be related cancers in combination with smoking or drinking, and GSTP1rs1695 might be associated with cancers among drinkers.
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Affiliation(s)
- Qiurui Hu
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
| | - Cuiping Li
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, Nanning, People’s Republic of China
| | - Yonghui Huang
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
| | - Zhenxia Wei
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
| | - Li Chen
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
| | - Ying Luo
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, Nanning, People’s Republic of China
| | - Xiaojie Li
- College and Hospital of Stomatology, Guangxi Medical University, Nanning, People’s Republic of China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Clinical Research Center for Craniofacial Deformity, Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, Nanning, People’s Republic of China
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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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Khalaj Z, Baratieh Z, Nikpour P, Khanahmad H, Mokarian F, Salehi R, Salehi M. Distribution of CYP2D6 polymorphism in the Middle Eastern region. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2019; 24:61. [PMID: 31523247 PMCID: PMC6670283 DOI: 10.4103/jrms.jrms_1076_18] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/04/2019] [Accepted: 04/10/2019] [Indexed: 12/12/2022]
Abstract
Cytochrome P450 2D6 (CYP2D6) is an important drug-metabolizing enzyme involved in the pharmacokinetic metabolism of drugs. CYP2D6 gene is highly polymorphic, and the combination of its different alleles yields different phenotypes including extensive metabolizer (EM), intermediate metabolizer (IM), poor metabolizer (PM), and ultrarapid metabolizer (UM). Genotyping of the important alleles for this gene in different ethnicities is of particular importance for assessing the efficacy of various drugs. In this study, we reviewed the CYP2D6 allele and phenotype frequencies predicted from the genotypes of CYP2D6 in the Middle East area. Regardless of different ethnicities, the CYP2D6*41 allele frequency was shown to be higher than that of other reduced functional alleles. In addition, CYP2D6*4 was the most frequent nonfunctional allele in all studied populations in the Middle East. Taken together, our findings illustrated that the frequencies of PM or IM alleles and different genotypes harboring these alleles are relatively high in the Middle Eastern countries. Therefore, the study of CYP2D6 alleles for each patient to detect those that are at risk is of great importance to prevent adverse drug reactions through individualization therapy.
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Affiliation(s)
- Zahra Khalaj
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zohreh Baratieh
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parvaneh Nikpour
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.,Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Khanahmad
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fariborz Mokarian
- Cancer Prevention Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Rasoul Salehi
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.,Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mansoor Salehi
- Department of Genetics and Molecular Biology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.,Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.,Cellular, Molecular and Genetics Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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6
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Hekim N, Gure MA, Metin Mahmutoglu A, Gunes S, Asci R, Henkel R. SNP's in xenobiotic metabolism and male infertility. Xenobiotica 2019; 50:363-370. [PMID: 31070506 DOI: 10.1080/00498254.2019.1616850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
1. Glutathione S-transferases (GST) and cytochrome P450s (CYPs) are xenobiotic metabolizing enzymes participating in the protection of cell. The present study aimed to investigate the relationship between polymorphisms of glutathione S-transferase M1 (GSTM1) null, glutathione S-transferase T1 (GSTT1) null, glutathione S-transferase P1 (GSTP1) Ile105Val, cytochrome P450 1A2 (CYP1A2) 734 C→A, cytochrome P450 2D6 (CYP2D6) 1934 G→A and male infertility.2. A total of 306 azoospermic or oligozoospermic infertile men and 129 normozoospermic or fertile controls were enrolled in the study. Multiplex polymerase chain reaction (PCR) or PCR-restriction fragment length polymorphism methods were used for genotyping. There was a significant relationship between male infertility and CYP2D6 GG genotype (p < 0.001). CYP1A2 AA genotype was slightly higher in the infertile group (p = 0.056).3. There was no association between GSTT1 null polymorphisms and male infertility (p = 0.068), GSTM1 null (p = 0.843) and GSTP1 Ile105Val (p = 0.192) genes. GSTM1 null genotype frequency was higher in azoospermic men (p = 0.009). Men carrying CYP1A2 AA genotype had higher risk of infertility risk (OR = 3.14; %95 CI = 1.16-8.54) in the smoker group.4. Our results demonstrated that polymorphisms of CYP2D6 and CYP1A2 may play a role in idiopathic male infertility in our sample population.
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Affiliation(s)
- Neslihan Hekim
- Medical Faculty, Department of Medical Biology, Ondokuz Mayis University, Samsun, Turkey
| | - Mohamed Ali Gure
- Medical Faculty, Department of Medical Biology, Ondokuz Mayis University, Samsun, Turkey
| | - Asli Metin Mahmutoglu
- Medical Faculty, Department of Medical Biology, Ondokuz Mayis University, Samsun, Turkey
| | - Sezgin Gunes
- Medical Faculty, Department of Medical Biology, Ondokuz Mayis University, Samsun, Turkey.,Department of Multidisciplinary Molecular Medicine, Ondokuz Mayis University, Samsun, Turkey
| | - Ramazan Asci
- Department of Multidisciplinary Molecular Medicine, Ondokuz Mayis University, Samsun, Turkey.,Medical Faculty, Department of Urology, Ondokuz Mayis University, Samsun, Turkey
| | - Ralf Henkel
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa
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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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Altunkol A, Savaş M, Dilmeç F, Utanğaç MM, Abat D, Gümüş K, Karlıdağ İ, Yeni E. Detection of CYP1A1 and GSTP1 gene polymorphisms in bladder cancer patients in a Turkish population using a polymerase chain reaction-restriction fragment length polymorphism method. Turk J Urol 2018; 44:125-131. [PMID: 29511581 DOI: 10.5152/tud.2018.23571] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 10/16/2017] [Indexed: 01/09/2023]
Abstract
Objective Understanding genetic polymorphisms might facilitate the analysis of differences between individuals in their susceptibility to developing cancers as a result of environmental carcinogens. Skin, lung, colon and bladder cancers emerge from biological defects in GSTM1, GSTT1 and GSTP1 gene expressions. In this study, we aimed to investigate whether there was an association between CYP1A1 and GSTP1 gene polymorphisms and bladder cancer in a Turkish population. Material and methods Blood samples were collected from 120 individuals (60 patients with bladder cancer and 60 healthy individuals), and their DNAs were isolated. A polymerase chain reaction-restriction fragment length polymorphism (PCR - RFLP) method was used to detect the frequencies of CYP1A1 NM_000499.3: c.*1189T > C and GSTP1 NM_000852.3: c.313A > G polymorphisms in bladder cancer patients. Results The frequency of the CYP1A1: c.*1189 TC genotype and C allele were significantly different between bladder cancer patients and healthy individuals (p=0.001 and p=0.005, respectively). However, there was no significant difference for the GSTP1: c.313 AG genotype or G allele between both study groups (p=0.699 and p=0.360, respectively). Conclusion A polymorphic site of the CYP1A1 gene might be involved in the development of bladder cancer. However, the investigated GSTP1 polymorphic site did not represent an important risk factor for the development of bladder cancer in a Turkish population.
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Affiliation(s)
- Adem Altunkol
- Department of Urology, University of Health Sciences, Adana Numune Training and Research Hospital, Adana, Turkey
| | - Murat Savaş
- Department of Urology, University of Health Sciences, Antalya Training and Research Hospital, Antalya, Turkey
| | - Fuat Dilmeç
- Department of Medical Biology and Genetics, Harran University School of Medicine, Şanlıurfa, Turkey
| | - Mehmet Mazhar Utanğaç
- Department of Childhood Urology, Uludağ University School of Medicine, Bursa, Turkey
| | - Deniz Abat
- Department of Urology, University of Health Sciences, Adana Numune Training and Research Hospital, Adana, Turkey
| | - Kemal Gümüş
- Clinic of Urology, Ministry of Health, Balıklıgöl State Hospital, Şanlıurfa, Turkey
| | - İsmail Karlıdağ
- Department of Urology, University of Health Sciences, Mehmet Akif İnan Training and Research Hospital, Şanlıurfa, Turkey
| | - Ercan Yeni
- Department of Urology, Harran University School of Medicine, Şanlıurfa, Turkey
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9
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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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10
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Al-Ahmad MM, Amir N, Dhanasekaran S, John A, Abdulrazzaq YM, Ali BR, Bastaki SMA. Genetic polymorphisms of cytochrome P450-1A2 (CYP1A2) among Emiratis. PLoS One 2017; 12:e0183424. [PMID: 28934216 PMCID: PMC5608188 DOI: 10.1371/journal.pone.0183424] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Accepted: 08/03/2017] [Indexed: 02/05/2023] Open
Abstract
Cytochrome P450 1A2 (CYP1A2) is one of the CYP450 mixed-function oxidase system that is of clinical importance due to the large number of drug interactions associated with its induction and inhibition. In addition, significant inter-individual differences in the elimination of drugs metabolized by CYP1A2 enzyme have been observed which are largely due to the highly polymorphic nature of CYP1A2 gene. However, there are limited studies on CYP1A2 phenotypes and CYP1A2 genotypes among Emiratis and thus this study was carried out to fill this gap. Five hundred and seventy six non-smoker Emirati subjects were asked to consume a soft drink containing caffeine (a non-toxic and reliable probe for predicting CYP1A2 phenotype) and then provide a buccal swab along with a spot urine sample. Taq-Man Real Time PCR was used to determine the CYP1A2 genotype of each individual. Phenotyping was carried out by analyzing the caffeine metabolites using High Performance Liquid Chromatography (HPLC) analysis. We found that 1.4%, 16.3% and 82.3% of the Emirati subjects were slow, intermediate and rapid CYP1A2 metabolizers, respectively. In addition, we found that 1.4% of the subjects were homozygote for derived alleles while 16.1% were heterozygote and 82.5% were homozygote for the ancestral allele. The genotype frequency of the ancestral allele, CYP1A2*1A/*1A, is the highest in this population, followed by CYP1A2 *1A/*1C and CYP1A2 *1A/*1K genotypes, with frequencies of 0.825, 0.102 and 0.058, respectively. The degree of phenotype/genotype concordance was equal to 81.6%. The CYP1A2*1C/*1C and CYP1A2*3/*3 genotypes showed significantly the lowest enzyme phenotypic activity. The frequency of slow activity CYP1A2 enzyme alleles is very low among Emiratis which correlates with the presence of low frequencies of derived alleles in CYP1A2 gene.
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Affiliation(s)
- Mohammad M. Al-Ahmad
- Department of Pharmacology, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Naheed Amir
- Department of Pharmacology, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Subramanian Dhanasekaran
- Department of Pharmacology, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Anne John
- Department of Pathology, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Yousef M. Abdulrazzaq
- Department of Pediatrics, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Bassam R. Ali
- Department of Pathology, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Salim M. A. Bastaki
- Department of Pharmacology, College of Medicine and Health Sciences, UAE University, Al Ain, Abu Dhabi, United Arab Emirates
- * E-mail:
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11
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Stasiukonyte N, Liutkeviciene R, Vilkeviciute A, Banevicius M, Kriauciuniene L. Associations between Rs4244285 and Rs762551 gene polymorphisms and age-related macular degeneration. Ophthalmic Genet 2017; 38:357-364. [PMID: 28095090 DOI: 10.1080/13816810.2016.1242018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Age-related macular degeneration is the leading cause of blindness in elderly individuals in developed countries. The etiology and pathophysiology of age-related macular degeneration have not been elucidated yet. Knowing that the main pathological change of age-related macular degeneration is formation of drusen containing about 40% of lipids, there have been attempts to find associations between age-related macular degeneration and genes controlling lipid metabolism. PURPOSE To determine the frequency of CYP2C19 (G681A) Rs4244285 and CYP1A2 (-163C>A) Rs762551 genotypes in patients with age-related macular degeneration. METHODS The study enrolled 150 patients with early age-related macular degeneration and 296 age- and gender-matched healthy controls. The genotyping of Rs4244285 and Rs762551 was carried out by using the real-time polymerase chain reaction method. RESULTS The CYP1A2 (-163C>A) Rs762551 C/C genotype was more frequently detected in patients with age-related macular degeneration than in the control group (32.7% vs. 21.6%, p = 0.011) and was associated with an increased risk of developing early age-related macular degeneration (OR = 1.759, 95% CI: 1.133-2.729; p = 0.012). The CYP1A2 (-163C>A) Rs762551 C/A genotype was more frequently documented in the control group compared with patients with age-related macular degeneration (46.3% vs. 30.7%, p = 0.002) and was associated with a decreased risk of having age-related macular degeneration (OR = 0.580. 95% CI: 0.362-0.929, p = 0.023) in the co-dominant model. CONCLUSION The study showed that the CYP1A2 (-163C>A) Rs762551 C/C genotype was associated with an increased risk of age-related macular degeneration.
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Affiliation(s)
- Neringa Stasiukonyte
- a Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania
| | - Rasa Liutkeviciene
- b Department of Ophthalmology, Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania.,c Neuroscience Institute, Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania
| | - Alvita Vilkeviciute
- c Neuroscience Institute, Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania
| | - Mantas Banevicius
- b Department of Ophthalmology, Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania
| | - Loresa Kriauciuniene
- b Department of Ophthalmology, Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania.,c Neuroscience Institute, Medical Academy , Lithuanian University of Health Sciences , Kaunas , Lithuania
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12
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Zeng Y, Jiang HY, Wei L, Xu WD, Wang YJ, Wang YD, Liu C. Association between the CYP1A2 rs762551 Polymorphism and Bladder Cancer Susceptibility: a Meta-Analysis Based on Case-Control Studies. Asian Pac J Cancer Prev 2016; 16:7249-54. [PMID: 26514519 DOI: 10.7314/apjcp.2015.16.16.7249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Previous studies evaluated associations between the CYP1A2 rs762551 polymorphism and bladder cancer risk. However, the results were inconsistent. We therefore performed a meta-analysis of the published case-control studies to assess in detail the association between CYP1A2 rs762551 polymorphism and bladder cancer risk. MATERIALS AND METHODS PubMed, Embase and Web of Science were searched to identify relevant studies and the pooled odds ratio (OR) and 95 % confidence interval (95%CI) were calculated. RESULTS A total of seven articles including 3,013 cases and 2,771 controls were finally included. Overall, a significant association was found between the CYP1A2 rs762551 polymorphism and bladder cancer susceptibility for CC vs AA (OR=0.82, 95% CI=0.69~0.99), but no significant associations were found for the other three models (AC vs AA: OR=0.91, 95% CI=0.81~1.02; the dominant model: OR=0.90, 95% CI=0.80~1.00; the recessive model: OR=0.84, 95% CI =0.72~1.00). In the subgroup analysis by ethnicity, we detected significant associations between the CYP1A2 rs762551 polymorphism and bladder cancer susceptibility for GA vs GG (OR = 0.78, 95% CI =0.64~0.96) and for the recessive model (OR=0.80, 95% CI=0.66~0.96) in Caucasians, but not for Asians. CONCLUSIONS The results from the meta-analysis suggested that the CYP1A2 rs762551 polymorphism is a protective factor for bladder cancer, especially in Caucasians.
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Affiliation(s)
- Yong Zeng
- Department of Cardiothoracic Surgery, Shaoxing People's Hospital , Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang Province, China E-mail :
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13
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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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14
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Vukovic V, Ianuale C, Leoncini E, Pastorino R, Gualano MR, Amore R, Boccia S. Lack of association between polymorphisms in the CYP1A2 gene and risk of cancer: evidence from meta-analyses. BMC Cancer 2016; 16:83. [PMID: 26865042 PMCID: PMC4750358 DOI: 10.1186/s12885-016-2096-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 01/28/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Polymorphisms in the CYP1A2 genes have the potential to affect the individual capacity to convert pre-carcinogens into carcinogens. With these comprehensive meta-analyses, we aimed to provide a quantitative assessment of the association between the published genetic association studies on CYP1A2 single nucleotide polymorphisms (SNPs) and the risk of cancer. METHODS We searched MEDLINE, ISI Web of Science and SCOPUS bibliographic online databases and databases of genome-wide association studies (GWAS). After data extraction, we calculated Odds Ratios (ORs) and 95% confidence intervals (CIs) for the association between the retrieved CYP1A2 SNPs and cancer. Random effect model was used to calculate the pooled ORs. Begg and Egger tests, one-way sensitivity analysis were performed, when appropriate. We conducted stratified analyses by study design, sample size, ethnicity and tumour site. RESULTS Seventy case-control studies and one GWA study detailing on six different SNPs were included. Among the 71 included studies, 42 were population-based case-control studies, 28 hospital-based case-control studies and one genome-wide association study, including total of 47,413 cancer cases and 58,546 controls. The meta-analysis of 62 studies on rs762551, reported an OR of 1.03 (95% CI, 0.96-1.12) for overall cancer (P for heterogeneity < 0.01; I(2) = 50.4%). When stratifying for tumour site, an OR of 0.84 (95% CI, 0.70-1.01; P for heterogeneity = 0.23, I(2) = 28.5%) was reported for bladder cancer for those homozygous mutant of rs762551. An OR of 0.79 (95% CI, 0.65-0.95; P for heterogeneity = 0.09, I(2) = 58.1%) was obtained for the bladder cancer from the hospital-based studies and on Caucasians. CONCLUSIONS This large meta-analysis suggests no significant effect of the investigated CYP1A2 SNPs on cancer overall risk under various genetic models. However, when stratifying according to the tumour site, our results showed a borderline not significant OR of 0.84 (95% CI, 0.70-1.01) for bladder cancer for those homozygous mutant of rs762551. Due to the limitations of our meta-analyses, the results should be interpreted with attention and need to be further confirmed by high-quality studies, for all the potential CYP1A2 SNPs.
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Affiliation(s)
- Vladimir Vukovic
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy.
| | - Carolina Ianuale
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy
| | - Emanuele Leoncini
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy
| | - Roberta Pastorino
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy
| | - Maria Rosaria Gualano
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy
| | - Rosarita Amore
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy
| | - Stefania Boccia
- Institute of Public Health- Section of Hygiene, Università Cattolica del Sacro Cuore, Largo F.Vito 1, 00168, Rome, Italy
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15
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Qi GZ, Zhang ZY, Wang X, Yin SJ, Lou YQ, Zhang GL. Functional allele and genotype frequencies of CYP1A2
,CYP2B6
and iNOS
among mainland Chinese Tibetan, Mongolian, Uygur and Han populations. J Clin Pharm Ther 2016; 41:84-91. [DOI: 10.1111/jcpt.12351] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 12/10/2015] [Indexed: 12/20/2022]
Affiliation(s)
- G.-Z. Qi
- Department of Pharmacology; Basic Medical School; Beijing (Peking) University; Beijing China
| | - Z.-Y. Zhang
- Department of Pharmacology; Basic Medical School; Beijing (Peking) University; Beijing China
| | - X. Wang
- Department of Pharmacology; Basic Medical School; Beijing (Peking) University; Beijing China
| | - S.-J. Yin
- Department of Pharmacology; Basic Medical School; Beijing (Peking) University; Beijing China
| | - Y.-Q. Lou
- Department of Pharmacology; Basic Medical School; Beijing (Peking) University; Beijing China
| | - G.-L. Zhang
- Department of Pharmacology; Basic Medical School; Beijing (Peking) University; Beijing China
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16
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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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Edem E, Kirdök AH, Kınay AO, Tekin Üİ, Taş S, Alpaslan E, Pabuccu MT, Akdeniz B. Does "smoker's paradox" exist in clopidogrel-treated Turkish patients with acute coronary syndrome. Platelets 2015; 27:240-4. [PMID: 26367336 DOI: 10.3109/09537104.2015.1083544] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Previously conducted studies revealed that smoking enhanced the efficacy of clopidogrel by increasing formation of the active metabolite (AM) from the prodrug through induction of the cytochrome CYP1A2. The expression of cytochrome enzymes depends on genotype and no data exists in literature conducted in Turkish patients comparing the clopidogrel responsiveness between active smokers and non-active smokers treated with clopidogrel. In this study, our aim was to investigate the clopidogrel responsiveness in clopidogrel-treated Turkish acute coronary syndrome (ACS) patients according to their smoking status. We retrospectively enrolled 258 patients who were hospitalized due to ACS. Clinical variables of the patients, especially smoking status were recorded. Clopidogrel resistance was evaluated by using adenosine diphosphate (ADP) induced platelet aggregometry. Clopidogrel resistance was detected as a change in maximal aggregation ≤20% from baseline. A total of 139 patients were active smokers while 12 were former smokers. 107 patients did not have a history of smoking. Ten of the smokers were hyporesponsive to clopidogrel, whereas 36 of non-smokers were hyporesponsive to clopidogrel (p < 0.001). Receiver-operating characteristic curve analysis demonstrated that Au-min value >612.5 predicted the clopidogrel resistance with a sensitivity of 60% (OR: 100.65, %95 CI = 19.996-506.615 p < 0.001). Results of this study demonstrated that ADP responses were lower in smokers receiving clopidogrel and aspirin than in non-smokers receiving the same drug regimen. This finding indicates that smoking was related to an enhanced clopidogrel responsiveness in Turkish patients hospitalized due to ACS, suggesting that "smoker's paradox" probably exists in Turkish ACS patients.
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Affiliation(s)
- Efe Edem
- a Department of Cardiology , Tınaztepe Hospital , Izmir , Turkey and
| | - Ali Hikmet Kirdök
- a Department of Cardiology , Tınaztepe Hospital , Izmir , Turkey and
| | - Ahmet Ozan Kınay
- a Department of Cardiology , Tınaztepe Hospital , Izmir , Turkey and
| | - Ümit İlker Tekin
- a Department of Cardiology , Tınaztepe Hospital , Izmir , Turkey and
| | - Sedat Taş
- b Department of Cardiology, Faculty of Medicine , Dokuz Eylül University , Izmir , Turkey
| | - Erkan Alpaslan
- b Department of Cardiology, Faculty of Medicine , Dokuz Eylül University , Izmir , Turkey
| | - Mustafa Türker Pabuccu
- b Department of Cardiology, Faculty of Medicine , Dokuz Eylül University , Izmir , Turkey
| | - Bahri Akdeniz
- b Department of Cardiology, Faculty of Medicine , Dokuz Eylül University , Izmir , Turkey
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18
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Savukaitytė A, Ugenskienė R, Jankauskaitė R, Čereškevičius D, Šepetauskienė E, Juozaitytė E. Investigation of prognostic value of polymorphisms within estrogen metabolizing genes in Lithuanian breast cancer patients. BMC MEDICAL GENETICS 2015; 16:2. [PMID: 25648141 PMCID: PMC4410685 DOI: 10.1186/s12881-015-0147-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 01/21/2015] [Indexed: 11/10/2022]
Abstract
Background Breast cancer is the most frequent oncological disease among women. Estrogens are known to play an important role in breast cancer development. Recognition of the relationship between polymorphisms within estrogen metabolizing genes and conventional prognostic factors of breast cancer might improve our knowledge on individualized breast cancer prognosis. Therefore, we aimed to investigate possible associations between germline genetic polymorphisms within GSTM1, GSTT1, GSTP1, SULT1A1 and UGT1A1 genes and breast cancer clinicopathological characteristics together with disease progression. Methods Our study involved 80 young (younger than 50 years of age) breast cancer patients. PCR-based Restriction Fragment Length Polymorphism (RFLP) assay was used to determine GSTP1 and SULT1A1 genotypes. GSTM1 and GSTT1 null genotypes were detected by multiplex PCR. UGT1A1 polymorphism was investigated with microsatellite analysis. Relationships between genotypes and breast cancer clinicopathological features along with disease progression were estimated by Pearson‘s Chi-square test. Logistic regression analyses were performed to estimate the odds ratios associating different genotypes with clinicopathological characteristics and disease progression. Results The study showed individuals with GSTT1 null genotype to have approximately 3.5 times higher risk for breast cancer progression than those with wild type genotype (OR = 3.472, 95% CI 1.043-11.559, P = 0.043). Moreover, SULT1A1 G638A AA genotype significantly increased the chances of HER2 molecular subtype breast cancer when compared to GG genotype (OR = 19.971, 95% CI 1.716-232.480, P = 0.017). Heterozygotes for GSTP1 A313G genotype were more likely to have positive lymph nodes in comparison to AA genotype carriers (OR = 2.803, 95% CI 1.049-7.487, P = 0.040). No significant correlation was determined for UGT1A1 A(TA)nTAA and GSTM1 +/- polymorphism alone or combined GTTT1 null and GSTM1 null genotype. Conclusions Conclusively, our findings suggest that GSTT1 null genotype and SULT1A1 G638A AA genotype could be uselful genetic markers for breast cancer prognosis. Further analyses on larger sample size are required to highlight the effect of GSTP1 G allele on breast cancer prognosis. Electronic supplementary material The online version of this article (doi:10.1186/s12881-015-0147-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Aistė Savukaitytė
- Oncology Research Laboratory, Oncology Institute, Lithuanian University of Health Sciences, Eiveniu g. 2 LT-50009, Kaunas, Lithuania.
| | - Rasa Ugenskienė
- Oncology Research Laboratory, Oncology Institute, Lithuanian University of Health Sciences, Eiveniu g. 2 LT-50009, Kaunas, Lithuania.
| | - Roberta Jankauskaitė
- Oncology Research Laboratory, Oncology Institute, Lithuanian University of Health Sciences, Eiveniu g. 2 LT-50009, Kaunas, Lithuania.
| | - Darius Čereškevičius
- Oncology Research Laboratory, Oncology Institute, Lithuanian University of Health Sciences, Eiveniu g. 2 LT-50009, Kaunas, Lithuania.
| | - Eglė Šepetauskienė
- Center of Informatics Technologies, Lithuanian University of Health Sciences, Sukileliu pr. 17 LT-50009, Kaunas, Lithuania.
| | - Elona Juozaitytė
- Oncology Institute, Lithuanian University of Health Sciences, Eiveniu g. 2 LT-50009, Kaunas, Lithuania.
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19
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Deng SP, Zhu L, Huang DS. Mining the bladder cancer-associated genes by an integrated strategy for the construction and analysis of differential co-expression networks. BMC Genomics 2015; 16 Suppl 3:S4. [PMID: 25707808 PMCID: PMC4331807 DOI: 10.1186/1471-2164-16-s3-s4] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background Bladder cancer is the most common malignant tumor of the urinary system and it is a heterogeneous disease with both superficial and invasive growth. However, its aetiological agent is still unclear. And it is indispensable to find key genes or modules causing the bladder cancer. Based on gene expression microarray datasets, constructing differential co-expression networks (DCNs) is an important method to investigate diseases and there have been some relevant good tools such as R package 'WGCNA', 'DCGL'. Results Employing an integrated strategy, 36 up-regulated differentially expressed genes (DEGs) and 356 down-regulated DEGs were selected and main functions of those DEGs are cellular physiological precess(24 up-regulated DEGs; 167 down-regulated DEGs) and cellular metabolism (19 up-regulated DEGs; 104 down-regulated DEGs). The up-regulated DEGs are mainly involved in the the pathways related to "metabolism". By comparing two DCNs between the normal and cancer states, we found some great changes in hub genes and topological structure, which suggest that the modules of two different DCNs change a lot. Especially, we screened some hub genes of a differential subnetwork between the normal and the cancer states and then do bioinformatics analysis for them. Conclusions Through constructing and analyzing two differential co-expression networks at different states using the screened DEGs, we found some hub genes associated with the bladder cancer. The results of the bioinformatics analysis for those hub genes will support the biological experiments and the further treatment of the bladder cancer.
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Karaca S, Karaca M, Cesuroglu T, Erge S, Polimanti R. GSTM1,GSTP1, andGSTT1genetic variability in Turkish and worldwide populations. Am J Hum Biol 2014; 27:310-6. [DOI: 10.1002/ajhb.22671] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 11/16/2014] [Accepted: 11/22/2014] [Indexed: 12/22/2022] Open
Affiliation(s)
- Sefayet Karaca
- School of Health Science, Aksaray University; Aksaray Turkey
- GENAR Institute for Public Health and Genomics Research; Ankara Turkey
| | - Mehmet Karaca
- Department of Biology; Faculty of Science and Arts, Aksaray University; Aksaray Turkey
| | - Tomris Cesuroglu
- GENAR Institute for Public Health and Genomics Research; Ankara Turkey
- Department of Social Medicine; Maastricht University; Maastricht the Netherlands
| | - Sema Erge
- GENAR Institute for Public Health and Genomics Research; Ankara Turkey
- Department of Nutrition and Dietetics; Faculty of Health Science, Zirve University; Gaziantep Turkey
| | - Renato Polimanti
- Department of Psychiatry; Yale University School of Medicine; West Haven Connecticut United States
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Sun WX, Chen YH, Liu ZZ, Xie JJ, Wang W, Du YP, Chen Y, Shen XL, He XF, Wu LX, Wei W, Zhang L. Association between the CYP1A2 polymorphisms and risk of cancer: a meta-analysis. Mol Genet Genomics 2014; 290:709-25. [PMID: 25472037 DOI: 10.1007/s00438-014-0956-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 11/12/2014] [Indexed: 12/29/2022]
Abstract
The previously published data on the association between CYP1A2*1C (rs2069514) and CYP1A2*1F (rs762551) polymorphisms and cancer risk have remained controversial. Hence, we performed a meta-analysis to investigate the association between CYP1A2*1F and CYP1A2*1C polymorphisms and cancer risk under different inheritance models. Overall, significant association was observed between CYP1A2*1F and cancer risk when all the eligible studies were pooled into the meta-analysis (dominant model: OR 1.08, 95 % CI 1.02-1.15; heterozygous model: OR 1.06, 95 % CI 1.01-1.12; additive model: OR 1.07, 95 % CI 1.02-1.13). In the further stratified and sensitivity analyses, for CYP1A2*1F polymorphism, significantly increased lung cancer risk and significantly decreased bladder cancer risk were observed in Caucasians. For CYP1A2*1C polymorphism, no significant association was found in overall and all subgroup analyses. In summary, this meta-analysis suggests that CYP1A2*1F polymorphism is associated with lung cancer and bladder cancer risk in Caucasians.
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Affiliation(s)
- Wen-Xia Sun
- Department of Gynecology, Peace Hospital of Changzhi Medical College, Changzhi, Shanxi, 046000, People's Republic of China
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Sankhwar M, Sankhwar S. Variations in CYP isoforms and bladder cancer: A superfamily paradigm. Urol Oncol 2014; 32:28.e33-40. [DOI: 10.1016/j.urolonc.2012.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2012] [Revised: 08/12/2012] [Accepted: 08/13/2012] [Indexed: 10/27/2022]
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23
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Berber U, Yilmaz I, Yilmaz O, Haholu A, Kucukodaci Z, Ates F, Demirel D. CYP1A1 (Ile462Val), CYP1B1 (Ala119Ser and Val432Leu), GSTM1 (null), and GSTT1 (null) Polymorphisms and Bladder Cancer Risk in a Turkish Population. Asian Pac J Cancer Prev 2013; 14:3925-9. [DOI: 10.7314/apjcp.2013.14.6.3925] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Zhou LP, Luan H, Dong XH, Jin GJ, Man DL, Shang H. Genetic variants of CYP2D6 gene and cancer risk: a HuGE systematic review and meta-analysis. Asian Pac J Cancer Prev 2013; 13:3165-72. [PMID: 22994728 DOI: 10.7314/apjcp.2012.13.7.3165] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE Genetic polymorphisms in metabolic enzymes are associated with numerous cancers. A large number of single nucleotide polymorphisms (SNPs) in the CYP2D6 gene have been reported to associate with cancer susceptibility. However, the results are controversial. The aim of this Human Genome Epidemiology (HuGE) review and meta-analysis was to summarize the evidence for associations. METHODS Studies focusing on the relationship between CYP2D6 gene polymorphisms and susceptibility to cancer were selected from the Pubmed, Cochrane library, Embase, Web of Science, Springerlink, CNKI and CBM databases. Data were extracted by two independent reviewers and the meta-analysis was performed with Review Manager Version 5.1.6 and STATA Version 12.0 software. Odds ratios (ORs) with 95% confidence intervals (95%CIs) were calculated. RESULTS According to the inclusion criteria, forty-three studies with a total of 7,009 cancer cases and 9,646 healthy controls, were included in the meta-analysis. The results showed that there was a positive association between heterozygote (GC) of rs1135840 and cancer risk (OR=1.92, 95%CI: 1.14-3.21, P=0.01). In addition, we found that homozygote (CC) of rs1135840 might be a protective factor for cancer (OR=0.58, 95%CI: 0.34-0.97, P=0.04). Similarly, the G allele and G carrier (AG + GG) of rs16947 and heterozygote (A/del) of rs35742686 had negative associations with cancer risk (OR=0.69, 95%CI: 0.48-0.99, P=0.04; OR=0.60, 95%CI: 0.38-0.94, P=0.03; OR=0.50, 95%CI: 0.26-0.95, P=0.03; respectively). CONCLUSION This meta-analysis suggests that CYP2D6 gene polymorphisms are involved in the pathogenesis of various cancers. The heterozygote (GC) of rs1135840 in CYP2D6 gene might increase the risk while the homozygote (CC) of rs1135840, G allele and G carrier (AG + GG) of rs16947 and heterozygote (A/del) of rs35742686 might be protective factors.
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Affiliation(s)
- Li-Ping Zhou
- Department of Laboratory Medicine, the First Affiliated Hospital of China Medical University, Shenyang, China
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25
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Tian Z, Li YL, Zhao L, Zhang CL. Role of CYP1A2 1F polymorphism in cancer risk: evidence from a meta-analysis of 46 case-control studies. Gene 2013; 524:168-74. [PMID: 23628800 DOI: 10.1016/j.gene.2013.04.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 04/09/2013] [Accepted: 04/10/2013] [Indexed: 12/11/2022]
Abstract
BACKGROUND Emerging evidence showed that the common polymorphism (CYP1A2 1F, rs762551 C→A) in the promoter region of the CYP1A2 gene might be associated with susceptibility to cancer in humans. But individually published results were inconclusive. The aim of this meta-analysis is to investigate the association between CYP1A2 1F polymorphism and cancer risk. METHODS The Pubmed, Embase, Web of Science and Chinese BioMedical databases were searched for all articles published up to September 1st, 2012. Statistical analyses were performed using the STATA 12.0 software. RESULTS Forty-six case-control studies were included with a total of 22,993 cancer cases and 28,420 healthy controls. Meta-analysis results showed that the A allele of CYP1A2 1F polymorphism was associated with a decreased cancer risk (odds ratio [OR]=0.92, 95% confidence interval [CI]: 0.87-0.98, P=0.013). In the subgroup analysis by cancer types, the A allele of CYP1A2 1F polymorphism may increase the risk of breast cancer (OR=1.05, 95% CI: 1.01-1.10, P=0.024), and is also associated with a decreased risk of ovarian cancer (OR=0.70, 95% CI: 0.54-0.89, P=0.004). However, similar results were not found in lung, colorectal, bladder, endometrial, pancreatic and gastric cancers. Further subgroup analysis by ethnicity also showed a significant association between the A allele of CYP1A2 1F polymorphism and a decreased cancer risk among Caucasian populations (OR=0.91, 95% CI: 0.84-0.98, P=0.014); but no significant associations were observed among Asian populations. CONCLUSIONS Results from the current meta-analysis indicate that the A allele of CYP1A2 1F polymorphism may be associated with breast and ovarian cancer risk, especially among Caucasian populations.
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Affiliation(s)
- Zhong Tian
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, PR China.
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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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27
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Wang H, Zhang Z, Han S, Lu Y, Feng F, Yuan J. CYP1A2 rs762551 polymorphism contributes to cancer susceptibility: a meta-analysis from 19 case-control studies. BMC Cancer 2012; 12:528. [PMID: 23157985 PMCID: PMC3526566 DOI: 10.1186/1471-2407-12-528] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 11/08/2012] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Genetic polymorphism (rs762551A>C) in gene encoding cytochrome P450 1A2 (CYP1A2) has been shown to influence the inducibility of CYP1A2 expression and thus might be associated with risk of several types of human cancer. However, the results of previous studies on the associations of this polymorphism with risk of cancer are not all consistent. To clarify the potential contribution of CYP1A2 rs762551 to cancer risk, we performed a meta-analysis of the published case-control studies. METHODS We used PubMed, Embase, OVID, ScienceDirect, and Chinese National Knowledge Infrastructure databases to identify the related publications for this meta-analysis. The pooled odds ratio (OR) and 95% confidence interval (CI) were calculated using random effect model to evaluate the association of rs762551 with cancer risk. A χ(2)-based Q-test was used to examine the heterogeneity assumption and the funnel plot and Egger's test were used to examine the potential publication bias. The leave-one-out sensitivity analysis was conducted to determine whether our assumptions or decisions have a major effect on the results of the review. RESULTS Our analysis of 19 eligible case-control studies showed a significant association between rs762551C variant with risk of cancer in the genetic model of CC versus AA (OR = 1.30, 95% CI = 1.02-1.64) and the dominant model (OR = 1.19, 95% CI = 1.04-1.36). In subgroup analysis based on ethnicity, the rs762551CC genotype was associated with increased cancer risk (OR = 1.29, 95% CI = 1.27-1.63 in co-dominate model and OR = 1.17, 95% CI = 1.02-1.34 in dominant model in Caucasians, but not in Asians and the mixed population. CONCLUSION These results suggested that CYP1A2 rs762551 polymorphism is likely to be associated with susceptibility to cancer in Caucasians.
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Affiliation(s)
- Hongge Wang
- Department of Epidemiology, College of Public Health, Hebei United University, Tangshan 063000, China
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28
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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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29
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Gong M, Dong W, An R. Glutathione S-transferase T1 Polymorphism Contributes to Bladder Cancer Risk: A Meta-Analysis Involving 50 Studies. DNA Cell Biol 2012; 31:1187-97. [PMID: 22339266 DOI: 10.1089/dna.2011.1567] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Mancheng Gong
- Department of Urological Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wenjing Dong
- Department of Oncology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ruihua An
- Department of Urological Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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Vural B, Yakar F, Derin D, Saip P, Yakar A, Demirkan A, Karabulut A, Ugurel E, Cine N, Kilicaslan Z, Tüzün E, Ozbek U. Evaluation of glutathione S-transferase P1 polymorphisms (Ile105Val and Ala114Val) in patients with small cell lung cancer. Genet Test Mol Biomarkers 2012; 16:701-6. [PMID: 22339038 DOI: 10.1089/gtmb.2011.0315] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
AIMS Glutathione S-transferase P1 (GSTP1) plays an important role in cellular protection against oxidative stress and toxic chemicals. Polymorphisms within GSTP1 are associated with alterations in enzyme activity, which may lead to development of lung disease and cancer. In this study, we aimed to investigate the GSTP1 Ile105Val and Ala114Val polymorphisms in patients with small cell lung cancer (SCLC). PATIENTS/METHODS GSTP1 Ile105Val polymorphism in exon 5 and GSTP1 Ala114Val polymorphism in exon 6 were determined by using polymerase chain reaction-restriction fragment length polymorphism techniques in 89 patients with SCLC and 108 control patients with chronic obstructive pulmonary disease (COPD). Genotype frequencies and cigarette smoking intensities were compared among SCLC and COPD patients. RESULTS There were significantly less SCLC patients with variant exon 6 genotypes than COPD patients (7.9% vs. 20.4%, p=0.007), while the number of patients with variant exon 5 genotypes were comparable among groups. SCLC and COPD patients with variant exon 6 genotype showed trends toward exhibiting reduced cigarette consumption. CONCLUSIONS The variant GSTP1 exon 6 genotype might be conferring protection against SCLC development. Whether this effect is associated with exposure to cigarette smoking needs to be clarified.
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Affiliation(s)
- Burcak Vural
- Department of Genetics, Institute for Experimental Medicine (DETAE), Istanbul University, Istanbul, Turkey.
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Putluri N, Shojaie A, Vasu VT, Vareed SK, Nalluri S, Putluri V, Thangjam GS, Panzitt K, Tallman CT, Butler C, Sana TR, Fischer SM, Sica G, Brat DJ, Shi H, Palapattu GS, Lotan Y, Weizer AZ, Terris MK, Shariat SF, Michailidis G, Sreekumar A. Metabolomic profiling reveals potential markers and bioprocesses altered in bladder cancer progression. Cancer Res 2011; 71:7376-86. [PMID: 21990318 PMCID: PMC3249241 DOI: 10.1158/0008-5472.can-11-1154] [Citation(s) in RCA: 143] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although alterations in xenobiotic metabolism are considered causal in the development of bladder cancer, the precise mechanisms involved are poorly understood. In this study, we used high-throughput mass spectrometry to measure over 2,000 compounds in 58 clinical specimens, identifying 35 metabolites which exhibited significant changes in bladder cancer. This metabolic signature distinguished both normal and benign bladder from bladder cancer. Exploratory analyses of this metabolomic signature in urine showed promise in distinguishing bladder cancer from controls and also nonmuscle from muscle-invasive bladder cancer. Subsequent enrichment-based bioprocess mapping revealed alterations in phase I/II metabolism and suggested a possible role for DNA methylation in perturbing xenobiotic metabolism in bladder cancer. In particular, we validated tumor-associated hypermethylation in the cytochrome P450 1A1 (CYP1A1) and cytochrome P450 1B1 (CYP1B1) promoters of bladder cancer tissues by bisulfite sequence analysis and methylation-specific PCR and also by in vitro treatment of T-24 bladder cancer cell line with the DNA demethylating agent 5-aza-2'-deoxycytidine. Furthermore, we showed that expression of CYP1A1 and CYP1B1 was reduced significantly in an independent cohort of bladder cancer specimens compared with matched benign adjacent tissues. In summary, our findings identified candidate diagnostic and prognostic markers and highlighted mechanisms associated with the silencing of xenobiotic metabolism. The metabolomic signature we describe offers potential as a urinary biomarker for early detection and staging of bladder cancer, highlighting the utility of evaluating metabolomic profiles of cancer to gain insights into bioprocesses perturbed during tumor development and progression.
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Affiliation(s)
- Nagireddy Putluri
- Departments of Molecular and Cell Biology, Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX
| | - Ali Shojaie
- Department of Statistics, University of Michigan, Ann Arbor, MI
| | - Vihas T Vasu
- Department of Biochemisty, Georgia Health Science University, Augusta, GA
- Cancer Center, Georgia Health Science University, Augusta, GA
| | - Shaiju K. Vareed
- Departments of Molecular and Cell Biology, Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX
| | - Srilatha Nalluri
- Department of Biochemisty, Georgia Health Science University, Augusta, GA
- Cancer Center, Georgia Health Science University, Augusta, GA
| | - Vasanta Putluri
- Departments of Molecular and Cell Biology, Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX
| | - Gagan Singh Thangjam
- Department of Biochemisty, Georgia Health Science University, Augusta, GA
- Cancer Center, Georgia Health Science University, Augusta, GA
| | - Katrin Panzitt
- Departments of Molecular and Cell Biology, Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX
| | | | - Charles Butler
- Department of Pathology and Laboratory Medicine, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA
| | - Theodore R. Sana
- Metabolomics Laboratory Application Group, Agilent Technologies, Santa Clara, CA
| | - Steven M. Fischer
- Metabolomics Laboratory Application Group, Agilent Technologies, Santa Clara, CA
| | - Gabriel Sica
- Department of Pathology and Laboratory Medicine, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA
| | - Daniel J. Brat
- Department of Pathology and Laboratory Medicine, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA
| | - Huidong Shi
- Department of Biochemisty, Georgia Health Science University, Augusta, GA
- Cancer Center, Georgia Health Science University, Augusta, GA
| | | | - Yair Lotan
- Department of Urology, University of Texas Southwestern Medical Dallas, TX Center at Dallas
| | - Alon Z. Weizer
- Department of Urology, University of Michigan, Ann Arbor, MI
| | - Martha K. Terris
- Department of Urology, Georgia Health Science University, Augusta, GA
- Cancer Center, Georgia Health Science University, Augusta, GA
- Section of Urology, Charlie Norwood Veteran Affairs Medical Center, Augusta, GA
| | - Shahrokh F. Shariat
- Department of Urology, Weill Medical College of Cornell University, New York, NY, USA
| | | | - Arun Sreekumar
- Departments of Molecular and Cell Biology, Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX
- Department of Surgery, Georgia Health Science University, Augusta, GA
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Tao L, Xiang YB, Chan KK, Wang R, Gao YT, Yu MC, Yuan JM. Cytochrome P4501A2 phenotype and bladder cancer risk: The Shanghai bladder cancer study. Int J Cancer 2011; 130:1174-83. [PMID: 21480221 DOI: 10.1002/ijc.26121] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Accepted: 03/16/2011] [Indexed: 11/05/2022]
Abstract
Cytochrome P450 1A2 (CYP1A2) is hypothesized to catalyze the activation of arylamines, known human bladder carcinogens present in cigarette smoke. The relationship between CYP1A2 phenotype and bladder cancer risk was examined in a case-control study involving 519 patients and 514 controls in Shanghai, China. Both CYP1A2 and N-acetyltransferase 2 (NAT2) phenotypic status were determined by a caffeine-based urinary assay. Our study showed that among smokers at urine collection, patients with bladder cancer had statistically significantly higher CYP1A2 phenotype scores compared to control subjects (p = 0.001). The odds ratios (95% confidence intervals) of bladder cancer for the second, third and fourth quartiles of the CYP1A2 score were 1.31 (0.53-3.28), 2.04 (0.90-4.60) and 2.82 (1.32-6.05), respectively, relative to the lowest quartile (p for trend = 0.003). NAT2 slow acetylation phenotype was associated with a statistically significant 40% increased risk of bladder cancer, and the relationship was independent of subjects' smoking status. Subjects possessing the NAT2 slow acetylation phenotype and the highest tertile of CYP1A2 scores showed the highest risk for bladder cancer. Their odds ratios (95% confidence intervals) was 2.13 (1.24-3.68) relative to their counterparts possessing the NAT2 rapid acetylation phenotype and the lowest tertile of CYP1A2 scores. The findings of our study demonstrate that CYP1A2 phenotype may be an important contributing factor in the development of smoking-related bladder cancer in humans.
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Affiliation(s)
- Li Tao
- Masonic Cancer Center, University of Minnesota, MN, USA
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Jiang Z, Li C, Wang X. Glutathione S-transferase M1 polymorphism and bladder cancer risk: a meta-analysis involving 33 studies. Exp Biol Med (Maywood) 2011; 236:723-8. [DOI: 10.1258/ebm.2011.010295] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Glutathione S-transferase M1 ( GSTM1) might be involved in inactivation of procarcinogens that contribute to the genesis and progression of cancers. GSTM1 null status has been extensively studied as a risk factor in bladder cancer susceptibility. The aim of this study is to evaluate the role of GSTM1 null genotype in bladder cancer risk. All available studies were considered in this meta-analysis, including 7301 cases and 9405 controls from 33 studies. Significantly increased risk was detected between GSTM1 deletion and bladder cancer susceptibility in all subjects (odds ratio [OR] = 1.409 [1.267–1.568], P < 0.001). The same patterns were observed in Caucasians (OR = 1.434 [1.212–1.697], P < 0.001) and Asians (OR = 1.485 [1.295–1.704], P < 0.001). When stratified with study design, a positive association was also found in hospital-based studies (OR = 1.552 [1.382–1.744], P < 0.001), but no association in population-based ones (OR = 1.088 [0.970–1.221], P = 0.151). In summary, our meta-analysis suggested that GSTM1 null status is associated with a high increase in the risk of bladder cancer, and further studies based on population design are necessary to confirm our conclusion.
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Affiliation(s)
- Zheng Jiang
- Department of Abdominal Surgery, The Affiliated Tumor Hospital, Harbin Medical University, Harbin 150086
| | - Chunxiang Li
- Laboratory of Medical Genetics, Harbin Medical University, Harbin 150081, China
| | - Xishan Wang
- Department of Abdominal Surgery, The Affiliated Tumor Hospital, Harbin Medical University, Harbin 150086
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Park KW, Park JJ, Jeon KH, Kang SH, Oh IY, Yang HM, Cho HJ, Lee HY, Kang HJ, Koo BK, Oh BH, Park YB, Kim HS. Enhanced Clopidogrel Responsiveness in Smokers. Arterioscler Thromb Vasc Biol 2011; 31:665-71. [DOI: 10.1161/atvbaha.110.217182] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Kyung Woo Park
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Jin Joo Park
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Ki-Hyun Jeon
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Si-Hyuk Kang
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Il-Young Oh
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Han-Mo Yang
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Hyun-Jai Cho
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Hae-Young Lee
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Hyun-Jae Kang
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Bon-Kwon Koo
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Byung-Hee Oh
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Young-Bae Park
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
| | - Hyo-Soo Kim
- From the Department of Internal Medicine and Cardiovascular Center, Seoul National University Hospital, Seoul, Korea
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Zhang R, Xu G, Chen W, Zhang W. Genetic Polymorphisms of Glutathione S-Transferase P1 and Bladder Cancer Susceptibility in a Chinese Population. Genet Test Mol Biomarkers 2011; 15:85-8. [PMID: 21117956 DOI: 10.1089/gtmb.2010.0162] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- RongGui Zhang
- Department of Urology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - GuangYong Xu
- Department of Urology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - WenJun Chen
- Department of Urology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - WeiLi Zhang
- Department of Urology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Genetic polymorphisms of glutathione S-transferase M1 and bladder cancer risk: a meta-analysis of 26 studies. Mol Biol Rep 2010; 38:2491-7. [DOI: 10.1007/s11033-010-0386-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2010] [Accepted: 11/08/2010] [Indexed: 01/13/2023]
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37
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CYP1A2 polymorphisms, occupational and environmental exposures and risk of bladder cancer. Eur J Epidemiol 2010; 25:491-500. [DOI: 10.1007/s10654-010-9479-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2010] [Accepted: 06/07/2010] [Indexed: 10/19/2022]
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38
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Functional characterization of eight human cytochrome P450 1A2 gene variants by recombinant protein expression. THE PHARMACOGENOMICS JOURNAL 2010; 10:478-88. [DOI: 10.1038/tpj.2010.2] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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39
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Lim JSL, Singh O, Ramasamy RD, Ramasamy S, Subramanian K, Lee EJ, Chowbay B. Pharmacogenetics of CYP1A2, Novel Polymorphisms and Haplotypes in Three Distinct Asian Populations. Drug Metab Pharmacokinet 2010; 25:616-23. [DOI: 10.2133/dmpk.dmpk-10-sc-051] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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40
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Jeon MJ, Choi YM, Hong MA, Lee GH, Ku SY, Kim SH, Kim JG, Moon SY. No association between the GSTP1 exon 5 polymorphism and susceptibility to advanced stage endometriosis in the Korean population. Am J Reprod Immunol 2009; 63:222-6. [PMID: 20047584 DOI: 10.1111/j.1600-0897.2009.00780.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
PROBLEM To investigate whether the glutathione-S-transferase P1 (GSTP1) exon 5 polymorphism is associated with susceptibility to advanced stage endometriosis in Korean women. METHOD OF STUDY Case-control study in a collective of 260 patients and 164 controls. Genotyping of the GSTP1 exon 5 polymorphism was performed by using real-time TaqMan PCR assay. RESULTS The genotype distribution of the GSTP1 exon 5 polymorphism in the endometriosis group was not significantly different from that of the control group (AA/AG/GG rates were 64.2%/32.7%/3.1% and 65.2%/31.7%/3.0% for the endometriosis and control groups, respectively, P = 0.977). Further subgroup analysis according to either stage or bilaterality of ovarian endometrioma also found no significant difference in the genotype distribution between any of the endometriosis subgroups and the control group. CONCLUSION These findings suggest that the GSTP1 exon 5 polymorphism is not a major determinant of the development of advanced stage endometriosis in the Korean population.
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Affiliation(s)
- Myung Jae Jeon
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, 28 Yungun-dong, Chongno-ku, Seoul, South Korea
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41
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Population study of genetic polymorphisms and superficial bladder cancer risk in Han-Chinese smokers in Shanghai. Int Urol Nephrol 2009; 41:855-64. [DOI: 10.1007/s11255-009-9560-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2008] [Accepted: 03/16/2009] [Indexed: 12/17/2022]
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