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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] [MESH Headings] [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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Giardina C, Kuo A, Nito K, Kurkcu S. Early onset colorectal cancer: Cancer promotion in young tissue. Biochem Pharmacol 2024; 226:116393. [PMID: 38942088 DOI: 10.1016/j.bcp.2024.116393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 05/30/2024] [Accepted: 06/25/2024] [Indexed: 06/30/2024]
Abstract
The incidence of colorectal cancer (CRC) in patients under 50 has been increasing over the past several decades. The factors underlying the increase in early onset colorectal cancer (EOCRC) are not entirely clear, although several genetic and clinical differences with late onset colorectal cancer (LOCRC) have been noted. EOCRC cases are often diagnosed at a more advanced stage, raising the possibility that these cancers progress more rapidly than LOCRC cases. The impact of age on cancer progression is an intriguing topic and numerous lines of research have found that a young tissue environment is often more promotional. In fact, a less hospitable promotional tissue environment in older individuals may offset the increased cancer risk associated with the increased mutational load associated with age. Here we address how youthful aspects of angiogenesis, the tumor immune response, and the oxidative stress response may contribute to the rapid progression of EOCRC. Understanding the factors promoting EOCRC may provide insight into why EOCRC cases are increasing.
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Affiliation(s)
- Charles Giardina
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT 06269, USA.
| | - Alan Kuo
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT 06269, USA
| | - Klea Nito
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT 06269, USA
| | - Shan Kurkcu
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT 06269, USA
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3
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Onat İ, Kocagöz R, Öz MD, Yeniay L, Tiftikçioğlu YÖ, Zekioğlu O, Serin G, Özdemir M, Gür E, Süzen HS, Orhan H. Blood and tissue levels of persistent organic pollutants and genetic susceptibility in patients with breast cancer. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104433. [PMID: 38583790 DOI: 10.1016/j.etap.2024.104433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/22/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
We investigated possible associations between the internal concentrations of POPs and correlations between blood and tumor tissue concentrations in patients who underwent surgery for breast cancer and breast reduction as controls. Genetic variations in CYP1A1, GSTP1, GSTM1, and GSTT1 and hOGG1 were evaluated to determine whether they represent risk factors for breast cancer. Certain POPs have been found to be associated with breast cancer development. GST-P1 polymorphism represented a significant risk for breast cancer with unadjusted OR. However, the GSTT1 null polymorphism represented a significant risk for breast cancer when OR adjusted for age and smoking status. CYP1A1 polymorphism was a significant risk factor for breast cancer, regardless of whether the OR was adjusted. These results suggest that exposure to certain POPs, GSTT1 and CYP1A1 polymorphisms, age, and smoking status are risk factors for breast cancer. In addition, the blood concentrations of some POPs represent surrogates for breast tissue concentrations.
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Affiliation(s)
- İlgen Onat
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, Bornova-İzmir 35040, Turkey
| | - Rasih Kocagöz
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, Bornova-İzmir 35040, Turkey
| | - Merve Demirbügen Öz
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ankara University, Tandoğan, Ankara 06350, Turkey
| | | | | | - Osman Zekioğlu
- Department of Medical Pathology, Faculty of Medicine, Ege University, Bornova-İzmir 35040, Turkey
| | - Gürdeniz Serin
- Department of Medical Pathology, Faculty of Medicine, Ege University, Bornova-İzmir 35040, Turkey
| | | | - Ersin Gür
- Department of Plastic and Reconstructive Surgery, Turkey
| | - Halit Sinan Süzen
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ankara University, Tandoğan, Ankara 06350, Turkey
| | - Hilmi Orhan
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Ege University, Bornova-İzmir 35040, Turkey; İzmir Biomedicine and Genome Center (İBG-İzmir), Balcova-İzmir 35340, Turkey.
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4
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Kim JH, Jun S, Kim J. Dietary intake and cancer incidence in Korean adults: a systematic review and meta-analysis of observational studies. Epidemiol Health 2023; 45:e2023102. [PMID: 38037322 PMCID: PMC10876448 DOI: 10.4178/epih.e2023102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 11/30/2023] [Indexed: 12/02/2023] Open
Abstract
Cancer is a major health burden in Korea, and dietary factors have been suggested as putative risk factors for cancer development at various sites. This study systematically reviewed the published literature investigating the associations between dietary factors and cancer incidence among Korean adults, following the Preferred Reporting Items for Systematic Reviews and Meta- Analyses guidelines. We focused on the 5 most studied cancer sites (stomach, colorectum, breast, thyroid, and cervix) as outcomes and dietary exposures with evidence levels greater than limited-suggestive according to the World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) panel's judgment for any of the cancer sites. This resulted in the inclusion of 72 studies. Pooled estimates of the impact of dietary factors on cancer risk suggested protective associations of fruits and vegetables with risks for gastric cancer (GC), colorectal cancer (CRC), and breast cancer (BC) and dietary vitamin C with the risk of GC, as well as a harmful association between fermented soy products and the risk of GC. Despite the limited number of studies, we observed consistent protective associations of dietary fiber with GC and dietary fiber, coffee, and calcium with CRC. These findings are largely consistent with the WCRF/AICR expert report. However, pooled estimates for the associations of other salt-preserved foods with GC, meat with CRC, and dietary carotenoids and dairy products with BC did not reach statistical significance. Further studies with prospective designs, larger sample sizes, and diverse types of dietary factors and cancer sites are necessary.
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Affiliation(s)
- Ji Hyun Kim
- National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea
| | - Shinyoung Jun
- Department of Food Science and Nutrition, Soonchunhyang University, Asan, Korea
| | - Jeongseon Kim
- National Cancer Center Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea
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5
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Ghelmani Y, Asadian F, Antikchi MH, Dastgheib SA, Shaker SH, Jafari-Nedooshan J, Neamatzadeh H. Association Between the hOGG1 1245C>G (rs1052133) Polymorphism and Susceptibility to Colorectal Cancer: a Meta-analysis Based on 7010 Cases and 10,674 Controls. J Gastrointest Cancer 2020; 52:389-398. [PMID: 33025423 DOI: 10.1007/s12029-020-00532-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND The 1245C>G (rs1052133) polymorphism of human 8-oxoguanine DNA glycosylase 1 (hOGG1) gene has been indicated to be correlated with colorectal (CRC) susceptibility, but studies have yielded conflicting results. Thus, the present meta-analysis was performed to derive a more precise estimation between hOGG1 1245C>G polymorphism and CRC risk. METHODS Data were collected from several electronic databases such as PubMed, EMBASE, and Google Scholar databases, with the last search up to September 01, 2020. Pooled odds ratios (ORs) with corresponding 95% confidence intervals (CIs) were used to assess the strength of the association. RESULTS A total of 24 case-control studies with 7010 CRC cases and 10,674 controls were selected. Pooled data showed that the hOGG1 1245C>G polymorphism was significantly associated with CRC risk under three genetic models, i.e., homozygote (GG vs. CC: OR = 1.229, 95% CI 1.031-1.465, p = 0.022); heterozygote (GC vs. CC: OR = 1.142, 95% CI 1.008-1.294, p = 0.037); and dominant (GG+GC vs. CC: OR = 1.162, 95% CI 1.034-1.304, p = 0.011). When stratified analysis by ethnicity, a significant association of the hOGG1 1245C>G polymorphism with risk of CRC was found in the Caucasians, but not in Asians. Moreover, there were significant associations between hOGG1 1245C>G polymorphism and CRC by PCR-RFLP and hospital-based subgroups. CONCLUSIONS Inconsistent with the previous meta-analysis, these meta-analysis results revealed that the hOGG1 1245C>G polymorphism might be associated with an increased risk of CRC, especially in Caucasians.
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Affiliation(s)
- Yaser Ghelmani
- Clinical Research Development Center of Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Fatemeh Asadian
- Department of Medical Laboratory Sciences, School of Paramedical Science, Shiraz University of Medical Sciences, Shiraz, Iran.
| | | | - Seyed Alireza Dastgheib
- Department of Medical Genetics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Hossein Shaker
- Department of Emergency Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Hossein Neamatzadeh
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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6
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Floris M, Sanna D, Castiglia P, Putzu C, Sanna V, Pazzola A, De Miglio MR, Sanges F, Pira G, Azara A, Lampis E, Serra A, Carru C, Steri M, Costanza F, Bisail M, Muroni MR. MTHFR, XRCC1 and OGG1 genetic polymorphisms in breast cancer: a case-control study in a population from North Sardinia. BMC Cancer 2020; 20:234. [PMID: 32192442 PMCID: PMC7083022 DOI: 10.1186/s12885-020-06749-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 03/12/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Despite conflicting results, considerable evidence suggests the association between single nucleotide polymorphisms in MTHFR, XRCC1 and OGG1 genes and, risk of developing breast cancer. Here a case-control study is reported, including 135 breat cancer patients and 112 healthy women, all representative of Northern Sardinian population. METHODS Polymerase chain reaction/restriction fragment length polymorphism method was used to determine the genotypes of five polymorphisms: MTHFR C677T (rs1801133) and A1298C (rs1801131), XRCC1 Arg194Trp (rs1799782) and Arg399Gln (rs25487) and OGG1 Ser326Cys (rs1052133). Allelic, genotypic and haplotype association analyses with disease risk and clinicopathological parameters were performed. RESULTS A nominally significant association with breast cancer risk was observed for MTHFR C677T polymorphism heterozygous genotype in the codominant model (OR: 0.57, 95% CI: 0.32-1.00, p = 0.049) and for Cys/Cys genotype of the OGG1 Ser326Cys polymorphism in the recessive model (OR: 0.23, 95% CI: 0.05-1.11, p = 0.0465). No significant differences were found at genotype-level for A1298C polymorphism of the MTHFR gene and Arg194Trp and Arg399Gln of the XRCC1 gene. Furthermore, the OGG1 and XRCC1 rs25487 polymorphisms were nominally associated with PgR, Her2 status and with sporadic breast cancer, respectively. CONCLUSIONS Based on genetic characteristics of individuals included in this study, results suggest that MTHFR CT and OGG1 Cys/Cys genotypes have a protective effect that may have an influence on breast cancer risk in a representative Northern Sardinian population.
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Affiliation(s)
- Matteo Floris
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy.
| | - Daria Sanna
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Paolo Castiglia
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Carlo Putzu
- Division of Medical Oncology, AOU Sassari, Sassari, Italy
| | - Valeria Sanna
- Division of Medical Oncology, AOU Sassari, Sassari, Italy
| | | | - Maria Rosaria De Miglio
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Francesca Sanges
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Giovanna Pira
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Antonio Azara
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Emanuele Lampis
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy
| | | | - Ciriaco Carru
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Maristella Steri
- Institute for Genetic and Biomedical Research, National Research Council (CNR), Monserrato, Cagliari, Italy
| | - Flavia Costanza
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | | | - Maria Rosaria Muroni
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy.
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7
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Chang WS, Shen TC, Liao JM, Tsai YT, Hsia TC, Wu HC, Tsai CW, Bau DT. Significant Contribution of DNA Repair Human 8-Oxoguanine DNA N-Glycosylase 1 Genotypes to Renal Cell Carcinoma. Onco Targets Ther 2020; 13:1583-1591. [PMID: 32110055 PMCID: PMC7039087 DOI: 10.2147/ott.s231733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 02/06/2020] [Indexed: 11/24/2022] Open
Abstract
Introduction DNA repair systems play essential roles in genomic stability and carcinogenesis. Therefore, genotypes at DNA repair loci may contribute to the determination of personal susceptibility to cancers. The contribution of human 8-oxoguanine DNA N-glycosylase 1 (hOGG1) genotypes to renal cell carcinoma (RCC) is largely unknown. This study aimed to evaluate the contributions of hOGG1 rs1052133 genotypes to the RCC risk. Methods We evaluated the contribution of hOGG1 rs1052133 (G/C) genotypes among 118 cases and 590 controls and analyzed the interactions of hOGG1 genotypes with smoking, alcohol drinking, hypertension, and diabetes status. Results The hOGG1 rs1052133 CC genotype was significantly associated with a decreased RCC risk compared with that of the GG genotype (odds ratio [OR] = 0.25, 95% confidence interval [CI] = 0.09–0.72, p = 0.0049). The frequency of the rs1052133 C allele was significantly low in the RCC group (22.5% vs 31.2%; OR = 0.64; 95% CI = 0.46–0.89, p = 0.0074). Stratifying the analysis according to smoking, alcohol drinking, and diabetes status revealed no difference in the rs1052133 genotype distribution among these subgroups. A significant differential distribution of rs1052133 genotypes was observed among subjects with hypertension. Conclusion The CC genotype of rs1052133 may play a role in determining RCC susceptibility among Taiwanese people and may serve as a biomarker of RCC, particularly in patients with hypertension.
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Affiliation(s)
- Wen-Shin Chang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan
| | - Te-Chun Shen
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan.,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, China Medical University, Taichung, Taiwan
| | - Jiuan-Miaw Liao
- Department of Physiology, Chung Shan Medical University and Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yueh-Ting Tsai
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan
| | - Te-Chun Hsia
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Hsi-Chin Wu
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, China Medical University, Taichung, Taiwan
| | - Chia-Wen Tsai
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan
| | - Da-Tian Bau
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan
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8
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Hsu PC, Chen CC, Tzeng HE, Hsu YN, Kuo CC, Lin ML, Chang WS, Wang YC, Tsai CW, Pei JS, Bau DAT. HOGG1 rs1052133 Genotypes and Risk of Childhood Acute Lymphoblastic Leukemia in a Taiwanese Population. In Vivo 2019; 33:1081-1086. [PMID: 31280195 DOI: 10.21873/invivo.11576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND/AIM Cells suffer from oxidative DNA damage which leads to the accumulation of 8-oxoguanine (8-oxoG) adducts in our genome that can become carcinogenic. The human 8-oxoG DNA glycosylase 1 (hOGG1) plays a central role in repairing these 8-oxoGs via the base excision repair pathway. Mounting evidence has suggested that hOGG1 polymorphisms may affect the activity of hOGG1 and serve as genomic markers for the prediction of personal susceptibility to several cancers. To determine whether the commonly examined hOGG1 rs1052133 (Ser326Cys) polymorphism is associated with the risk of childhood acute lymphoblastic leukemia (ALL) among Taiwanese children, we genotyped the hOGG1 rs1052133 (Ser326Cys) in 266 cases and 266 controls. RESULTS The distributions of the GG, CG and CC genotypes at the hOGG1 rs1052133 were 49.2, 39.1 and 11.7% in the control group and 48.1, 36.1 and 15.8% in the case group (p=0.3656). The combined genotypes CG+CC were not associated with increased risk of childhood ALL (odds ratio [OR]=1.05, 95% confidence interval [CI]=0.74-1.47, p=0.7947). CONCLUSION The hOGG1 rs1052133 polymorphism is not associated with susceptibility to childhood ALL in the Taiwanese population.
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Affiliation(s)
- Pei-Chen Hsu
- Department of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C
| | - Chao-Chun Chen
- Department of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C
| | - Huey-En Tzeng
- Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan, R.O.C
| | - Yuan-Nian Hsu
- Department of Family Medicine, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C
| | - Chien-Chung Kuo
- Department of Pediatric Orthopedics, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Meng-Liang Lin
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan, R.O.C
| | - Wen-Shin Chang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Yun-Chi Wang
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - Chia-Wen Tsai
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C.
| | - Jen-Sheng Pei
- Department of Pediatrics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, R.O.C. .,Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C
| | - DA-Tian Bau
- Terry Fox Cancer Research Laboratory, Translational Medicine Research Center, China Medical University Hospital, Taichung, Taiwan, R.O.C. .,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, R.O.C.,Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan, R.O.C
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9
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Kang SW, Kim SK, Park HJ, Chung JH, Ban JY. Human 8-oxoguanine DNA glycosylase gene polymorphism (Ser326Cys) and cancer risk: updated meta-analysis. Oncotarget 2018; 8:44761-44775. [PMID: 28415770 PMCID: PMC5546516 DOI: 10.18632/oncotarget.16226] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 03/03/2017] [Indexed: 01/30/2023] Open
Abstract
Genetic polymorphism of human 8-oxoguanine glycosylase 1 (hOGG1) has been reported to have a relationship with the risk of the development of various cancers. Many studies have described the influence of Ser326Cys polymorphism of the hOGG1 gene on cancer susceptibility. However, the results have remained inconclusive and controversial. Therefore, we performed a meta-analysis to more precisely determine the relationship between the hOGG1 polymorphism and the development of cancer.Electronic databases including PubMed, Embase, Google Scholar, and the Korean Studies Information Service System (KISS) were searched. The odds ratio (OR), 95% confidence interval (CI), and p value were calculated to assess the strength of the association with the risk of cancer using Comprehensive Meta-analysis software (Corporation, NJ, USA). The 127 studies including 38,757 cancer patients and 50,177 control subjects were analyzed for the meta-analysis.Our meta-analysis revealed that G allele of Ser326Cys polymorphism of the hOGG1 gene statistically increased the susceptibility of cancer (all population, OR = 1.092, 95% CI = 1.051-1.134, p < 0.001; in Asian, OR = 1.095, 95% CI = 1.048-1.145, p < 0.001; in Caucasian, OR = 1.097, 95% CI = 1.033-1.179, p = 0.002). Also, other genotype models showed significant association with cancer (p < 0.05, respectively).The present meta-analysis concluded that the G allele was associated with an increased risk of cancer. It suggested that the hOGG1 polymorphism may be a candidate marker of cancer.
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Affiliation(s)
- Sang Wook Kang
- Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
| | - Su Kang Kim
- Kohwang Medical Institute, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Hae Jeong Park
- Kohwang Medical Institute, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Joo-Ho Chung
- Kohwang Medical Institute, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ju Yeon Ban
- Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
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10
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Tian M, Liu W, You H, Zhao Q, Ouyang L, Gao B, Zhang X, Che N. Protective effect of Yiguanjian decoction against DNA damage on
concanavalin A-induced liver injury mice model. J TRADIT CHIN MED 2017; 36:471-8. [PMID: 28459511 DOI: 10.1016/s0254-6272(16)30064-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To investigate the inhibitory effect of
Yiguanjian decoction (YD) on DNA damage in Concanavalin
A (Con A)-induced liver injury mice model
and to explain the possible mechanism. METHODS METHODS: Totally 120 male BALB/c mice were randomly
divided into 6 groups, 20 mice each: normal
group, model group, Bifendate group, YD low dose
group, YD middle dose group and YD high dose
group. Except normal group, liver injury model induced
by Con A was established. While modeling,
each mouse in YD group was given YD (0.4 mL/20 g
per day) by intragastric administration (0.13 g YD
for YD low dose group; 0.26 g for YD middle dose
group; 0.52 g for YD high dose group). Bifendate
group was given Bifendate (0.2 g·kg-1·d-1) by gavage.
Normal group and model group were fed
with same volume of physiological saline daily. After
8 weeks, the serum alanine transaminase (ALT)
and aspartate transaminase (AST) were tested. The
hematoxylin-eosin staining was used to evaluate
the grade of liver inflammation and liver fibrosis
stage. Hepatocellular DNA damage was detected
by single cell gel electrophoresis technology. The
protein expression of tumor necrosis factor-α
(TNF-α), Bax and MutT Homolog 1 (MTH1) was detected
by western blotting and enzyme linked immunosorbent
assay. Bax mRNA and MTH1 mRNA
were detected by Real-time Polymerase Chain Reaction
(PCR). RESULTS YD can improve the degree of liver inflammation
and fibrosis in the liver of chronic hepatitis
mice, the dose effect relationship is remarkable
(P < 0.05). YD can reduce liver cell DNA damage.
The difference between YD middle dose group and
model group was statistically significant (P < 0.05).
YD middle dose group had decreased the protein
expression of TNF-α in the mice liver of immunological
liver injury (P < 0.05). YD can increase the protein
expression of Bax (P < 0.05). Compared with
normal group, the protein expression of MTH1 was
decreased (P < 0.05), but there was no statistical significance
between YD group and model group (P >
0.05). YD can increase the mRNA expression of Bax
and MTH1 (both P < 0.05). CONCLUSION YD can effectively inhibit the DNA
damage in immunological liver injury mice, the
mechanism may be that it can decrease the TNF-α
and increase the Bax and MTH1 expression.
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11
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Zou H, Li Q, Xia W, Liu Y, Wei X, Wang D. Association between the OGG1 Ser326Cys Polymorphism and Cancer Risk: Evidence from 152 Case-Control Studies. J Cancer 2016; 7:1273-80. [PMID: 27390603 PMCID: PMC4934036 DOI: 10.7150/jca.15035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 04/26/2016] [Indexed: 01/14/2023] Open
Abstract
Although it has been suggested that the 8-oxoguanine DNA glycosylase (OGG1) gene Ser326Cys polymorphism may be a risk factor for cancer, the conclusions from previous studies are inconsistent. Thus, we conducted an updated meta-analysis to estimate the effect of OGG1 variant genotypes on cancer susceptibility. We searched the PubMed for all eligible studies published in English for the period ending September 2014. We found the association between OGG1 Ser326Cys polymorphism and cancer susceptibility based on 152 case-control studies in different genetic model comparisons (dominant model: OR = 1.053, P = 0.018; recessive model: OR = 1.108, P < 0.001; homozygote: OR = 1.135, P < 0.001; additive model: OR = 1.059, P < 0.001). However, the results from the subgroup analyses based on types of cancer, health population as controls or studies with relatively large sample size did not support the conclusion. Although the overall results of this meta-analysis showed a positive association between OGG1 variant genotypes and cancer susceptibility, the subgroup analyses by cancer type, sample size, and source of controls presented inconsistent results. Therefore, the current evidence from the meta-analysis did not support the hypothesis of OGG1 Ser326Cys polymorphism as a risk factor of cancer.
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Affiliation(s)
- Hua Zou
- 1. Cancer Center, Daping Hospital and Research Institute of Surgery, Third Military Medical University, Chongqing 400042, China
| | - Qing Li
- 1. Cancer Center, Daping Hospital and Research Institute of Surgery, Third Military Medical University, Chongqing 400042, China
| | - Wei Xia
- 1. Cancer Center, Daping Hospital and Research Institute of Surgery, Third Military Medical University, Chongqing 400042, China
| | - Yong Liu
- 3. Intensive care unit, Suining Central Hospital, Deshengxi Road 127, Chuanshan District, Suining, Sichuan 629000, China
| | - Xi Wei
- 2. Department of Diagnostic and Therapeutic Ultrasonography, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
| | - Dong Wang
- 1. Cancer Center, Daping Hospital and Research Institute of Surgery, Third Military Medical University, Chongqing 400042, China
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12
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Correlating blood levels of 8-hydroxydeoxyguanosine to hOGG1 genotypes and the incidence of ischemic cardiomyopathy. Kaohsiung J Med Sci 2016; 32:241-7. [DOI: 10.1016/j.kjms.2016.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 04/18/2016] [Accepted: 04/18/2016] [Indexed: 11/19/2022] Open
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13
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Lai CY, Hsieh LL, Tang R, Santella RM, Chang-Chieh CR, Yeh CC. Association between polymorphisms of APE1 and OGG1 and risk of colorectal cancer in Taiwan. World J Gastroenterol 2016; 22:3372-3380. [PMID: 27022219 PMCID: PMC4806195 DOI: 10.3748/wjg.v22.i12.3372] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 11/08/2015] [Accepted: 01/18/2016] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the effects of OGG1 (Ser326Cys, 11657A/G, and Arg154His) and APE1 (Asp148Glu, and T-656G) polymorphisms on colorectal cancer (CRC) risk.
METHODS: We enrolled 727 cases newly diagnosed with colorectal adenocarcinoma and 736 age- and sex-matched healthy controls from a medical center in Taiwan. Genomic DNA isolated from the buffy coat was used for genotyping through polymerase chain reaction. Unconditional logistic regressions were used for calculating ORs and 95%CIs to determine the association between the genetic polymorphisms and CRC risk. Haplotype frequencies were estimated using PHASE software. Moreover, stratification analyses on the basis of sex, age at diagnosis, and tumor subsite and stage were performed.
RESULTS: The CRC risk was higher in patients with the OGG1 326Ser/Cys + Cys/Cys genotype (OR = 1.38, 95%CI: 1.03-1.85, P = 0.030), particularly high in patients with stage III + IV cancer (OR = 1.48, 95%CI: 1.03-2.13) compared with patients with the Ser/Ser genotype. In addition, OGG1 11657G allele carriers had a 41% reduced CRC risk among stage 0-II patients (OR = 0.59, 95%CI: 0.35-0.98). The CRC risk was significantly higher among females with the APE1 Glu allele (OR = 1.41, 95%CI: 1.02-1.96). The APE1 148Glu/-656G haplotype was also associated with a significant CRC risk in females (OR = 1.36, 95%CI: 1.03-1.78).
CONCLUSION: OGG1 and APE1 polymorphisms are associated with stage- and sex-specific risk of CRC in the Taiwanese population.
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Abstract
Over a few decades, Korean diet has changed from traditional diet, mainly composed of rice and vegetables, to Westernised diet rich, in meat and milk, along with the economic development and globalisation. Increasing prevalence of diet-related chronic diseases such as cancer and metabolic syndrome (MetS) is becoming a heavy burden to society and requires further attention. In this review, the association of meat and milk consumption with cancer and MetS among Koreans was discussed. Previous meta-analyses showed that meat intake was positively associated with increased risk of cancers, especially colon, as well as obesity and type 2 diabetes mellitus, and that the intake of milk and dairy products was negatively associated with colorectal cancer, obesity, and type 2 diabetes mellitus, based on studies conducted mostly in Western countries. In Korea and other Asian countries, the association of meat and milk intake with cancers were inconclusive and varied by types of cancers. Conversely, milk intake was negatively associated with MetS risk as reported in Western countries. The difference in results between Korea and Western countries might come from the differences in dietary patterns and study designs. Most Koreans still maintain traditional dietary pattern, although rapid change towards Westernised diet is underway among the younger age group. Randomised clinical trials or prospective cohort studies with consideration of combined effects of various dietary factors in Korea and other Asian countries are needed to elucidate the impact of meat and milk or related dietary patterns in their diet.
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15
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Shin A, Lee J, Lee J, Park MS, Park JW, Park SC, Oh JH, Kim J. Isoflavone and Soyfood Intake and Colorectal Cancer Risk: A Case-Control Study in Korea. PLoS One 2015; 10:e0143228. [PMID: 26575841 PMCID: PMC4648565 DOI: 10.1371/journal.pone.0143228] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 11/02/2015] [Indexed: 12/30/2022] Open
Abstract
We aimed to assess the relationship between dietary soyfood and isoflavone intake and colorectal cancer risk in a case-control study. A total of 901 colorectal cancer cases and 2669 controls were recruited at the National Cancer Center, Korea. A semi-quantitative food frequency questionnaire was used to assess the usual dietary habits, and the isoflavone intake level was estimated from five soyfood items. A high intake of total soy products, legumes, and sprouts was associated with a reduced risk for colorectal cancer in men and women, although the middle quartiles of intake of total soy products were associated with an elevated risk. In contrast, a high intake of fermented soy paste was associated with an elevated risk for colorectal cancer in men. The groups with the highest intake quartiles of isoflavones showed a decreased risk for colorectal cancer compared to their counterparts with the lowest intake quartiles in men (odds ratio (OR): 0.67, 95% confidence interval (CI): 0.51–0.89) and women (OR: 0.65, 95% CI: 0.43–0.99). The reduced risk for the highest intake groups persisted for distal colon cancer in men and rectal cancer in women. The association between soyfood intake and colorectal cancer risk was more prominent among post-menopausal women than pre-menopausal women. In conclusion, a high intake of total soy products or dietary isoflavones was associated with a reduced risk for overall colorectal cancer, and the association may be more relevant to distal colon or rectal cancers.
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Affiliation(s)
- Aesun Shin
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 110–799, Republic of Korea
| | - Jeonghee Lee
- Molecular Epidemiology Branch, National Cancer Center, Goyang-si, 410–769, Republic of Korea
| | - Jeeyoo Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 110–799, Republic of Korea
- Department of Nutritional Science and Food Management, Ewha Womans University, Seoul, 120–750, Republic of Korea
| | - Moon Sung Park
- Gachon University College of Nursing, Incheon, 406–799, Republic of Korea
| | - Ji Won Park
- Department of Surgery, Seoul National University College of Medicine and Hospital, Seoul, 110–799, Republic of Korea
| | - Sung Chan Park
- Center for Colorectal Cancer, National Cancer Center, Goyang-si, 410–769, Republic of Korea
| | - Jae Hwan Oh
- Center for Colorectal Cancer, National Cancer Center, Goyang-si, 410–769, Republic of Korea
| | - Jeongseon Kim
- Molecular Epidemiology Branch, National Cancer Center, Goyang-si, 410–769, Republic of Korea
- * E-mail:
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16
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Sun X, Yang H, Lin Y, Zhao J, Bao Y, Liu X, Qi Z, Wang S, Huang C, Yu Z. Genetic association between hOGG1 C8069G polymorphism and colorectal cancer risk. Int J Clin Exp Med 2015; 8:21145-21151. [PMID: 26885047 PMCID: PMC4723892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 06/30/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND hOGG1 C8069G polymorphism has been extensively investigated in single studies as well as meta-analyses in terms of the association with colorectal cancer (CRC). But the results remain contradictory. This study was undertaken to comprehensively evaluate the association of the commonly studied hOGG1 C8069G polymorphism and the susceptibility to CRC. METHODS By searching the electronic databases of PubMed, Embase, and Web of science, 16 available publications consisting of 4,866 cases and 7,363 controls were finally included in our meta-analysis. Stratified analyses by ethnicity and source of control were also carried out to further assess the association between hOGG1 C8069G polymorphism and CRC risk. RESULTS hOGG1 C8069G polymorphism was not observed to have statistical significance with the susceptibility to CRC (ORCC vs. GG = 0.97, 95% CI = 0.91-1.05; P = 0.995; ORCC + CG vs. GG = 0.98, 95% CI = 0.93-1.04; P = 0.993; ORCC vs. CG + GG = 0.96, 95% CI = 0.90-1.02; P = 0.339; ORallele C vs. allele G = 0.98, 95% CI = 0.94-1.02; P = 0.912; ORCG vs. GG = 0.95, 95% CI = 0.88-1.03; P = 0.526). Similarly, no association was found in the subgroup analysis by ethnicity or the source of control. CONCLUSIONS The results of our meta-analysis did not demonstrate any evidence for significant association between hOGG1 C8069G polymorphism and CRC risk. Future large-scale studies are expected to be conducted to further confirm our findings.
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Affiliation(s)
- Xiaoge Sun
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Hao Yang
- Department of Radiation Oncology, Inner Mongolia Cancer Hospital & The Affiliated People’s Hospital of Inner Mongolia Medical UniversityHohhot, Inner Mongolia, China
| | - Yu Lin
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Jianguo Zhao
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Yinna Bao
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Xiulan Liu
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Zhen Qi
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Shaojun Wang
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Congxiu Huang
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
| | - Zhilong Yu
- Department of Radiation Oncology, The Affiliated Hospital of Inner Mongolia Medical UniversityTongdao Road, Hohhot 10050, Inner Mongolia, P.R. China
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Oxidative DNA damage enhances the carcinogenic potential of in vitro chronic arsenic exposures. Arch Toxicol 2015; 90:1893-905. [DOI: 10.1007/s00204-015-1605-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 09/21/2015] [Indexed: 01/23/2023]
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18
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Kabziński J, Majsterek I, Mik M, Dziki A, Dziki Ł, Maciejczak L. Impact of APEX Ile64val Gene Polymorphisms of DNA Repair Ber System on Modulation of the Risk of Colorectal Cancer in the Polish Population. POLISH JOURNAL OF SURGERY 2015; 87:121-3. [PMID: 26146106 DOI: 10.1515/pjs-2015-0030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Indexed: 11/15/2022]
Abstract
UNLABELLED Colorectal cancer (CRC) is one of the deadliest cancers which lie in the incidence of morbidity in second place. Intensive research is to determine and confirm the genetic basis of this disease, which is believed may have a direct relationship with the reduced efficiency of DNA repair systems. The aim of this study was to determine the effect of APEX gene polymorphism Ile64Val on increasing the risk of colorectal cancer in the Polish population. MATERIAL AND METHODS The blood samples collected from 150 patients diagnosed with colon cancer was used. The control group consisted of 150 healthy subjects. Genotyping was performed by TaqMan method. RESULTS The results indicate that genotype Ile Val is associated with an increased risk of colorectal cancer (OR 2.069; 95% CI 1,205-3,552; p = 0.008). CONCLUSIONS Based on these results, we conclude that the APEX gene polymorphism Ile64Val may be associated with an increased risk of colorectal cancer.
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19
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Woo HD, Park S, Oh K, Kim HJ, Shin HR, Moon HK, Kim J. Diet and cancer risk in the Korean population: a meta- analysis. Asian Pac J Cancer Prev 2015; 15:8509-19. [PMID: 25339056 DOI: 10.7314/apjcp.2014.15.19.8509] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Many studies have found links between diet and cancer. The summary estimates of the association between dietary factors and cancer risk were investigated using previously reported studies of the Korean population. Gastric cancer risk was inversely associated with the high intake of soy foods [OR (95% CI): 0.32 (0.25-0.40) for soybean, 0.56 (0.45-0.71) for soybean curd, and 0.67 (0.46-0.98) for soymilk], allium vegetables [OR (95% CI): 0.37 (0.26-0.53) for green onion, 0.54 (0.40-0.73) for garlic, and 0.54 (0.35-0.85) for onion], fruits [OR (95% CI): 0.61 (0.42-0.88)], and mushrooms [OR (95% CI): 0.43 (0.21-0.88)]. Salt and Kimchi were associated with an increased gastric cancer risk [OR (95% CI): 1.92 (1.52-2.43) and 2.21 (1.29-3.77), respectively]. Colorectal cancer risk was positively associated with meat intake [OR (95% CI): 1.25 (1.15-1.36)]. Total soy products, soybean curd, and soymilk showed an inverse association with breast cancer risk [OR (95% CI): 0.61 (0.38-0.99), 0.47 (0.34-0.66), and 0.75 (0.57-0.98), respectively]. Green/yellow and light colored vegetables were associated with a reduced risk of breast cancer [OR (95% CI): 0.34 (0.23-0.49) and 0.44 (0.21-0.90), respectively]. Mushroom intake was inversely associated in pre-menopausal women only [OR (95% CI): 0.47 (0.26-0.86)]. In conclusion, soy foods, fruits and vegetables might reduce cancer risk in the Korean population. High salt food might be risk factor for gastric cancer, and intake of high amount of meat might cause colorectal cancer.
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Affiliation(s)
- Hae Dong Woo
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Goyang, Korea E-mail :
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Guo J, Yang J, Li Y. Association of hOGG1 Ser326Cys polymorphism with susceptibility to hepatocellular carcinoma. Int J Clin Exp Med 2015; 8:8977-8985. [PMID: 26309550 PMCID: PMC4537974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 06/10/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND Since, the relationship between hOGG1 Ser326Cys polymorphism and HCC was inconsistent in the recent literatures. The present meta-analysis based on previous studies was to obtain precise estimation on the issue. METHODS A computer search was carried out from PubMed, CBM and EMBASE databases. A total of nine case-control publications with 2583 HCC patients and 2271 controls were included in the meta-analysis. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to evaluate the relationship of Ser326Cys polymorphism and HCC susceptibility. Z test was used to assess the significance of pooled OR. The fixed-effect model or random-effect model was employed according to heterogeneity. RESULTS Overall, hOGG1 Ser326Cys polymorphism was in relation with increased risk for HCC under the following genetic models: GG versus CC: OR=2.51, 95% CI=1.67-3.78; GG versus CG + CC: OR=2.27, 95% CI=1.57-3.30; GG + CG versus CC: OR=1.13, 95% CI=1.03-1.24. The subgroup analysis by ethnicity suggested that high risk for HCC was observed in Asians with GG and GG + CG genotype (GG versus CC: OR=2.17, 95% CI=1.49-3.17; GG versus CG + CC: OR=1.96, 95% CI=1.41-2.73; GG + CG versus CC: OR=1.13, 95% CI=1.03-1.25). For subgroup analysis based on source of control, GG genotype of Ser326Cys was significantly associated with HCC risk in hospital-based (HB) controls (GG versus CC: OR=2.31, 95% CI=1.50-3.56; GG versus CG + CC: OR=2.17, 95% CI=1.44-3.28), as well as in population-based (PB) models (GG vs. CC: OR=2.80, 95% CI=1.16-6.77; GG versus CG + CC: OR=2.39, 95% CI=1.08-5.30). CONCLUSIONS According to the results, hOGG1 Ser326Cys polymorphism was associated with increased risk of HCC.
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Affiliation(s)
- Jun Guo
- Department of Clinical Laboratory, Renmin Hospital of Wuhan UniversityWuhan 430060, Hubei, China
| | - Jing Yang
- Department of Microbiology, School of Basic Medical Sciences, Hubei University of MedicineShiyan 442000, Hubei, China
| | - Yan Li
- Department of Clinical Laboratory, Renmin Hospital of Wuhan UniversityWuhan 430060, Hubei, China
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A systematic review and meta-analysis of the association between OGG1 Ser326Cys polymorphism and cancers. Med Oncol 2015; 32:472. [DOI: 10.1007/s12032-014-0472-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 12/18/2014] [Indexed: 12/26/2022]
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22
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The hOGG1 Ser326Cys polymorphism contributes to digestive system cancer susceptibility: evidence from 48 case-control studies. Tumour Biol 2014; 36:1029-38. [PMID: 25323581 DOI: 10.1007/s13277-014-2710-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 02/10/2014] [Indexed: 12/13/2022] Open
Abstract
The Ser326Cys polymorphism in the human 8-oxogunaine DNA glycosylase (hOGG1) gene had been implicated in cancer susceptibility. Studies investigating the associations between the Ser326Cys polymorphism and digestion cancer susceptibility showed conflicting results. Therefore, a meta-analysis was performed to derive a more precise estimation of the relationship. We conducted a meta-analysis of 48 studies that included 12,073 cancer cases and 19,557 case-free controls. We assessed the strength of the association using odds ratios (ORs) with 95% confidence intervals (CIs). In our analysis, the hOGG1 Ser326Cys polymorphism was significantly associated with the risk of digestive system cancers (Cys/Cys vs. Ser/Ser: OR = 1.17, 95% CI = 1.00-1.35, P < 0.001; Cys/Cys vs. Cys/Ser + Ser/Ser: OR = 1.14, 95% CI = 1.00-1.29, P < 0.001). In subgroup analyses by cancer types, we found that the hOGG1 Ser326Cys polymorphism may increase hepatocellular cancer and colorectal cancer risks, but decrease the risk of oral cancer. These findings supported that hOGG1 Ser326Cys polymorphism may contribute to the susceptibility of digestive cancers.
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Association of hOGG1 Ser326Cys polymorphism with colorectal cancer risk: an updated meta-analysis including 5235 cases and 8438 controls. Tumour Biol 2014; 35:12627-33. [PMID: 25227662 DOI: 10.1007/s13277-014-2586-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 09/18/2013] [Indexed: 12/17/2022] Open
Abstract
It has been suggested that hOGG1 Ser326Cys polymorphism may be a risk factor for colorectal cancer. Published data on its association with colorectal cancer generated contradictory results; thus, we performed an updated meta-analysis of eligible published studies to estimate the effect of hOGG1 Ser326Cys polymorphism on colorectal cancer susceptibility. We reviewed many abstracts and finally included 18 eligible case-control studies comprising 5235 cases and 8438 controls. We pooled data with a fixed or random-effect model. Subgroup analysis by ethnicity was also performed. The overall data indicated a significant association of hOGG1 Ser326Cys polymorphism on colorectal cancer risk (allele model OR = 1.14, 95 %CI 1.02-1.27; homozygote model OR = 1.32, 95 %CI 0.92-1.92; recessive model OR = 1.12, 95 %CI 1.00-1.26; dominant model OR = 1.15, 95 %CI 1.00-1.32). Furthermore, in the subgroup analysis by ethnicity, increased cancer risk was observed among Caucasians under the allele, heterogeneity, recessive, and dominant models (allele model OR = 1.23, 95 %CI = 1.05-1.44; homozygote model OR = 1.49, 95%CI 1.05-2.12; recessive model OR = 1.40, 95 %CI 1.16-1.69; dominant model OR = 1.21, 95 %CI = 1.12-1.45). In summary, the present meta-analysis suggested that hOGG1 Ser326Cys polymorphism might modify the susceptibility to colorectal cancer among the total population, especially among Caucasians.
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Shen H, Cao J, Hong Z, Liu K, Shi J, Ding L, Zhang H, Du C, Li Q, Zhang Z, Zhu B. A functional Ser326Cys polymorphism in hOGG1 is associated with noise-induced hearing loss in a Chinese population. PLoS One 2014; 9:e89662. [PMID: 24599382 PMCID: PMC3943766 DOI: 10.1371/journal.pone.0089662] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Accepted: 01/22/2014] [Indexed: 01/23/2023] Open
Abstract
DNA damage to cochlear hair cells caused by 8-oxoguanine (8-oxoG) is essential for the development of noise-induced hearing loss (NIHL). Human 8-oxoG DNA glycosylase1 (hOGG1) is a key enzyme in the base excision repair (BER) pathway that eliminates 8-oxoG. Many epidemiological and functional studies have suggested that the hOGG1 Ser326Cys polymorphism (rs1052133) is associated with many diseases. The purpose of this investigation was to investigate whether the hOGG1 Ser326Cys polymorphism in the human BER pathway is associated with genetic susceptibility to NIHL in a Chinese population. This polymorphism was genotyped among 612 workers with NIHL and 615 workers with normal hearing. We found that individuals with the hOGG1 Cys/Cys genotype had a statistically significantly increased risk of NIHL compared with those who carried the hOGG1 Ser/Ser genotype (adjusted OR=1.59, 95% CI=1.13-2.25) and this increased risk was more pronounced among the workers in the 15- to 25- and >25-year noise exposure time, 85-92 dB(A) noise exposure level, ever smoking, and ever drinking groups, similar effects were also observed in a recessive model. In summary, our data suggested that the hOGG1 Cys/Cys genotype may be a genetic susceptibility marker for NIHL in the Chinese Han population.
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Affiliation(s)
- Huanxi Shen
- Kunshan Municipal Center for Disease Prevention and Control, Kunshan, China
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
| | - Jinglian Cao
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
- Institute of Occupational Disease Prevention, Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China
| | - Zhiqiang Hong
- Kunshan Municipal Center for Disease Prevention and Control, Kunshan, China
| | - Kai Liu
- Department of Disease Prevention and Control of Yizheng Hospital, Drum Tower Hospital Group of Nanjing, Yizheng, China
| | - Jian Shi
- Kunshan Municipal Center for Disease Prevention and Control, Kunshan, China
| | - Lu Ding
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
- Institute of Occupational Disease Prevention, Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China
| | - Hengdong Zhang
- Institute of Occupational Disease Prevention, Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China
| | - Cheng Du
- Kunshan Municipal Center for Disease Prevention and Control, Kunshan, China
| | - Qian Li
- The First People's Hospital of Kunshan, Kunshan, China
| | - Zhengdong Zhang
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
- * E-mail: (BZ); (ZZ)
| | - Baoli Zhu
- Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, China
- Institute of Occupational Disease Prevention, Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, China
- * E-mail: (BZ); (ZZ)
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Lu M, Sun L, Zhou J, Zhang J. Assessment of the association between hOGG1 C8069G polymorphism and colorectal cancer. Tumour Biol 2013; 35:2373-7. [DOI: 10.1007/s13277-013-1313-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Accepted: 10/13/2013] [Indexed: 12/19/2022] Open
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Ogg1 genetic background determines the genotoxic potential of environmentally relevant arsenic exposures. Arch Toxicol 2013; 88:585-96. [PMID: 24190502 DOI: 10.1007/s00204-013-1151-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 10/22/2013] [Indexed: 10/26/2022]
Abstract
Inorganic arsenic (i-As) is a well-established human carcinogen to which millions of people are exposed worldwide. It is generally accepted that the genotoxic effects of i-As after an acute exposure are partially linked to the i-As-induced production of reactive oxygen species, but it is necessary to better determine whether chronic sub-toxic i-As doses are able to induce biologically significant levels of oxidative DNA damage (ODD). To fill in this gap, we have tested the genotoxic and oxidative effects of environmentally relevant arsenic exposures using mouse embryonic fibroblast MEF mutant Ogg1 cells and their wild-type counterparts. Effects were examined by using the comet assay complemented with the use of FPG enzyme. Our findings indicate that MEF Ogg1-/- cells are more sensitive to arsenite-induced acute toxicity, genotoxicity and ODD. Long-term exposure to sub-toxic doses of arsenite generates a detectable increase in ODD and genotoxic DNA damage only in MEF Ogg1-deficient cells. Altogether, the data presented here point out the relevance of ODD and Ogg1 genetic background on the genotoxic risk of i-As at environmentally plausible doses. The persistent accumulation of DNA 8-OH-dG lesions in Ogg1-/- cells during the complete course of the exposure suggests a relevant role in arsenic-associated carcinogenic risk in turn.
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Ouyang FD, Yang FL, Chen HC, Khan MA, Huang FM, Wan XX, Xu AH, Huang X, Zhou MJ, Fang Q, Zhang DZ. Polymorphisms of DNA repair genes XPD, XRCC1, and OGG1, and lung adenocarcinoma susceptibility in Chinese population. Tumour Biol 2013; 34:2843-2848. [PMID: 23700156 DOI: 10.1007/s13277-013-0844-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 05/03/2013] [Indexed: 10/26/2022] Open
Abstract
Lung adenocarcinoma (ADC) is one of the major histological types of lung cancer. Genetic polymorphism in DNA repair genes and lung ADC susceptibility is well documented. In this case-control study, the association between the polymorphic sites of DNA repair genes XPD-751, XRCC1-399, and OGG1-326, and lung ADC susceptibility in ethnic Han Chinese population has been investigated. Genomic DNA was isolated from the peripheral blood of 201 healthy controls and 82 lung ADC patients from the people of Hunan Province, China. Polymorphisms of the investigated genes were analyzed by using polymerase chain reaction-restriction fragment length polymorphism. There was no significant difference between the samples from lung ADC patients and healthy controls about the genotype frequencies of XPD-751, XRCC1-399, and OGG1-326 sites. However, multifactor dimensionality reduction analysis showed that the genetic polymorphisms of the three-loci models of DNA repair genes (XPD-751/XRCC1-399/OGG1-326) are associated with lung ADC. Thus, this study reveals that a three-order interaction among the polymorphic sites of XPD-751, XRCC1-399, and OGG1-326 is associated with lung ADC risk in the studied population, although polymorphism in individual gene was not associated.
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Affiliation(s)
- Fang-dan Ouyang
- Department of Biochemistry, School of Life Sciences, Central South University, Changsha, Hunan, 410013, China
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Zhou C, Xie LP, Lin YW, Yang K, Mao QQ, Cheng Y. Susceptibility of XPD and hOGG1 genetic variants to prostate cancer. Biomed Rep 2013; 1:679-683. [PMID: 24649009 DOI: 10.3892/br.2013.123] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 05/24/2013] [Indexed: 01/22/2023] Open
Abstract
DNA repair genes are important in maintaining genomic stability and integrity. DNA repair gene polymorphisms, such as those of the human homolog of 8-oxoguanine DNA glycosylase 1 (hOGG1) and excision repair cross-complementing rodent repair deficiency, complementation group 2/Xeroderma pigmentosum complementation group D (ERCC2/XPD), contribute to carcinogenesis. The aim of this study was to investigate the association of prostate cancer (PCa) risk with hOGG1 and ERCC2/XPD genetic variants. A case-control study of 200 cases including 100 PCa patients and 100 healthy subjects was conducted. Two single-nucleotide polymorphisms (SNPs) (ERCC2/XPD Arg156Arg and hOGG1 Ser326Cys) were genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The results demonstrated a significant association of the XPD156 homozygous (AA, OR=3.80; 95% CI: 1.19-12.18; P=0.017), heterozygous (AC, OR=2.48; 95% CI: 1.02-6.35; P=0.033) and combined (AA+AC, OR=2.76; 95% CI: 1.18-6.84; P=0.011) mutant genotypes with a predisposition to high-risk PCa. In the stratified analysis, predisposition to high-risk PCa was also associated with the mutant genotypes of hOGG1 326 homozygous mutant (GG, OR=2.93; 95% CI: 1-8.74; P=0.033). The results also showed that the A allele of XPD Arg156Arg and the G allele of hOGG1 Ser326Cys were associated with an increased risk of PCa (OR=1.86 and 1.62; 95% CI: 1.13-3.06 and 1-2.67, respectively). In conclusion, the findings of this study demonstrated that the ERCC2/XPD Arg156Arg and hOGG1 Ser326Cys polymorphisms increased the susceptibility to high-risk PCa.
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Affiliation(s)
- Cheng Zhou
- Department of Urology, Ningbo First Hospital, Ningbo, Zhejiang 315000, P.R. China
| | - Li-Ping Xie
- Department of Urology, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China
| | - Yi-Wei Lin
- Department of Urology, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China
| | - Kai Yang
- Department of Urology, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China
| | - Qi-Qi Mao
- Department of Urology, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China
| | - Yue Cheng
- Department of Urology, Ningbo First Hospital, Ningbo, Zhejiang 315000, P.R. China
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Karahalil B, Engin AB, Coşkun E. Could 8-oxoguanine DNA glycosylase 1 Ser326Cys polymorphism be a biomarker of susceptibility in cancer? Toxicol Ind Health 2012; 30:814-25. [PMID: 23081862 DOI: 10.1177/0748233712463777] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Biomarkers are key molecular or cellular events that give an indication whether there is a threat for disease, whether a disease already exists, or how such disease may develop in an individual case. The discovery of polymorphisms in genes that function in the metabolism of chemicals and in DNA repair has demonstrated the importance of understanding the phenomenon of genetic susceptibility in a population. Polymorphisms in DNA repair genes as an important component of the individual susceptibility to the development of cancer and various hereditary diseases have been commonly studied, since these genes have critical roles in maintaining genome integrity. Furthermore, the evaluation of cancer risk depends on the level of exposure to carcinogenic factors as well as on the genetic codes of the individual. This approach is supported by studies that present positive association between these polymorphic genes and cancers. Although 8-oxoguanine DNA glycosylase 1 (OGG1) is one of the promising biomarker candidates of cancer susceptibility, there are also some controversial results. Epidemiological studies show that the OGG1 might be a biomarker of susceptibility for various cancers; however, the small sample size and difference in the eligibility criteria for inclusion of subjects and sources might limit the studies to demonstrate the association between the OGG1 Ser326Cys polymorphism and the risk of cancer. Thus, meta-analyses may provide more valuable and reliable data to demonstrate the potential of OGG1 Ser326Cys DNA repair enzyme polymorphisms that could be the biomarkers of susceptibility of cancer. Our aim in this review is to compile published studies, including some controversial results on the association between the OGG1 Ser326Cys polymorphism and the risk of cancer.
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Affiliation(s)
- Bensu Karahalil
- Toxicology Department, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Ayşe Başak Engin
- Toxicology Department, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Erdem Coşkun
- Toxicology Department, Faculty of Pharmacy, Gazi University, Ankara, Turkey
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Karahalil B, Bohr VA, Wilson DM. Impact of DNA polymorphisms in key DNA base excision repair proteins on cancer risk. Hum Exp Toxicol 2012; 31:981-1005. [PMID: 23023028 DOI: 10.1177/0960327112444476] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Genetic variation in DNA repair genes can modulate DNA repair capacity and may be related to cancer risk. However, study findings have been inconsistent. Inheritance of variant DNA repair genes is believed to influence individual susceptibility to the development of environmental cancer. Reliable knowledge on which the base excision repair (BER) sequence variants are associated with cancer risk would help elucidate the mechanism of cancer. Given that most of the previous studies had inadequate statistical power, we have conducted a systematic review on sequence variants in three important BER proteins. Here, we review published studies on the association between polymorphism in candidate BER genes and cancer risk. We focused on three key BER genes: 8-oxoguanine DNA glycosylase (OGG1), apurinic/apyrimidinic endonuclease (APE1/APEX1) and x-ray repair cross-complementing group 1 (XRCC1). These specific DNA repair genes were selected because of their critical role in maintaining genome integrity and, based on previous studies, suggesting that single-nucleotide polymorphisms (SNPs) in these genes have protective or deleterious effects on cancer risk. A total of 136 articles in the December 13, 2010 MEDLINE database (National Center for Biotechnology Information, http://www.ncbi.nlm.nih.gov/pubmed/) reporting polymorphism in OGG1, XRCC1 or APE1 genes were analyzed. Many of the reported SNPs had diverse association with specific human cancers. For example, there was a positive association between the OGG1 Ser326Cys variant and gastric and lung cancer, while the XRCC1 Arg399Gln variant was associated with reduced cancer risk. Gene-environment interactions have been noted and may be important for colorectal and lung cancer risk and possibly other human cancers.
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Affiliation(s)
- B Karahalil
- Department of Toxicology, Gazi University, Ankara, Turkey.
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Lin CS, Wang LS, Chou TY, Hsu WH, Lin HC, Lee SY, Lee MH, Chang SC, Wei YH. Cigarette Smoking and hOGG1 Ser326Cys Polymorphism are Associated with 8-OHdG Accumulation on Mitochondrial DNA in Thoracic Esophageal Squamous Cell Carcinoma. Ann Surg Oncol 2012; 20 Suppl 3:S379-88. [DOI: 10.1245/s10434-012-2576-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Indexed: 12/26/2022]
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Meta-analysis of the association between hOGG1 Ser326Cys polymorphism and risk of colorectal cancer based on case--control studies. J Cancer Res Clin Oncol 2012; 138:1443-8. [PMID: 22526153 DOI: 10.1007/s00432-012-1197-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2012] [Accepted: 03/05/2012] [Indexed: 02/06/2023]
Abstract
PURPOSE Oxidative DNA damage caused by reactive oxygen species plays an important role in cancer development. The association between colorectal cancer and hOGG1 Ser326Cys polymorphisms has been analyzed in several published studies, but mixed findings have been reported. The main purpose of this study was to integrate previous results and explore whether the polymorphism of hOGG1 is associated with susceptibility to colorectal cancer. METHODS PubMed, Embase, Google Scholar, and Cbmdisc were searched for studies on the relationship of hOGG1 SNPs and the incidence of colorectal cancer (CRC). Eligible articles were included for data extraction. The main outcome was the frequency of hOGG1 Ser326Cys polymorphisms between cases and controls. Comparison of the distribution of SNP was mainly performed using Review Manager 5.0. RESULTS A total of 4,174 cases and 6,196 controls from 12 studies were included for this meta-analysis. Overall, stratified by ethnicity or population source, no significant associations between the hOGG1 Ser326Cys polymorphism and colorectal cancer risk were found for Cys/Cys allele (OR = 1.146; 95 % CI: 0.978-1.342, P = 0.091), Cys/Cys + Cys/Ser versus Ser/Ser (OR = 1.045; 95 % CI: 0.975-1.121, P = 0.213) Cys/Cys Versus Ser/Ser (OR = 1.243; 95 % CI: 0.979-1.578, P = 0.074) and Cys/Cys versus Cys/Ser + Ser/Ser (OR = 1.198; 95 % CI: 0.959-1.496, P = 0.111) in a recessive model and (OR = 1.494; 95 % CI: 1.023-2.181, P = 0.038) in a homozygote contrast. However, if apart from sensitivity analysis, there was some evidence to indicate that significantly increased risks were found among European plus American subjects, who are mostly Caucasian (OR = 1.444; 95 % CI: 1.017-2.05 Cys/Cys vs. Ser/Cys + Ser/Ser; P = 0.04). In the subgroup analyses, we also did not found any association between hOGG1 Ser326Cys polymorphism and certain populations and smokers. CONCLUSIONS This meta-analysis suggests that there is no robust association between hOGG1 Ser326Cys polymorphism and colorectal cancer. Because of the limitation of meta-analysis, this finding demands further investigation.
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Salmanoglu M, Kucukardali Y, Kucukodaci Z, Fenercioglu A, Solmazgul E, Onem Y, Baloglu H, Ozata M. Prevalence of the DNA repair enzyme-NEIL1 gene mutation in patients with type 2 diabetes in the Turkish population. J Endocrinol Invest 2012; 35:401-6. [PMID: 21985917 DOI: 10.3275/8017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In spite of the fact that an indirect relationship between NEIL1 gene and Type 2 diabetes has been demonstrated in animal model studies, there have been no human studies showing this relationship. In our study, we aimed to show the relationship between NEIL1 mutation and Type 2 diabetes in humans. The study group consisted 70 patients with Type 2 diabetes and the control group consisted of 50 healthy individuals. The mean age was 53±11 yr and 49±11 yr, respectively. Two NEIL1 mutations (2.9%) were detected in the patient group. There was A→G change (133A→G) at the 133. position of the 8th exon with 257 bp length in base sequencing. There was no mutation in the control group. We searched NEIL1 gene mutation for the first time in patients with Type 2 diabetes. This mutation was "silent" as it did not cause any amino acid change. The effects of these mutations on the etiopathogenesis of disease are not known. Although the lysine encoded by AAG was identical to the lysine encoded by AAA, it is not clear if they have functional differences due to the changing environmental conditions. NEIL1 gene mutation may have causative role in the development of Type 2 diabetes.
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Affiliation(s)
- M Salmanoglu
- Department of Internal Medicine, Haydarpasa Training Hospital, Gulhane Military Medical Academy, Istanbul, Turkey
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34
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Kershaw RM, Hodges NJ. Repair of oxidative DNA damage is delayed in the Ser326Cys polymorphic variant of the base excision repair protein OGG1. Mutagenesis 2012; 27:501-10. [PMID: 22451681 DOI: 10.1093/mutage/ges012] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Gene-environment interactions influence an individual's risk of disease development. A common human 8-oxoguanine DNA glycosylase 1 (OGG1) variant, Cys326-hOGG1, has been associated with increased cancer risk. Evidence suggests that this is due to reduced repair ability, particularly under oxidising conditions but the underlying mechanism is poorly understood. Oxidising conditions may arise due to internal cellular processes, such as inflammation or external chemical or radiation exposure. To investigate wild-type and variant OGG1 regulation and activity under oxidising conditions, we generated mOgg1 (-/-) null mouse embryonic fibroblasts cells stably expressing Ser326- and Cys326-hOGG1 and measured activity, gene expression, protein expression and localisation following treatment with the glutathione-depleting compound L-buthionine-S-sulfoximine (BSO). Assessment of OGG1 activity using a 7,8-dihydro-8-oxodeoxyguanine (8-oxo dG) containing molecular beacon demonstrated that the activity of both Ser326- and Cys326-hOGG1 was increased following oxidative treatment but with different kinetics. Peak activity of Ser326-hOGG1 occurred 12 h prior to that of Cys326-hOGG1. In both variants, the increased activity was not associated with any gene expression or protein increase or change in protein localisation. These findings suggest that up-regulation of OGG1 activity in response to BSO-induced oxidative stress is via post-transcriptional regulation and provide further evidence for impaired Cys326-hOGG1 repair ability under conditions of oxidative stress. This may have important implications for increased mutation frequency resulting from increased oxidative stress in individuals homozygous for the Cys326 hOGG1 allele.
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Affiliation(s)
- Rachael M Kershaw
- School of Biosciences, University of Birmingham, Vincent Drive, Edgbaston, Birmingham, B15 2TT, UK
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35
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Elevated risk of hypertension induced by arsenic exposure in Taiwanese rural residents: possible effects of manganese superoxide dismutase (MnSOD) and 8-oxoguanine DNA glycosylase (OGG1) genes. Arch Toxicol 2011; 86:869-78. [DOI: 10.1007/s00204-011-0797-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Accepted: 12/12/2011] [Indexed: 10/14/2022]
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Zhang Y, He BS, Pan YQ, Xu YQ, Wang SK. Association of OGG1 Ser326Cys polymorphism with colorectal cancer risk: a meta-analysis. Int J Colorectal Dis 2011; 26:1525-30. [PMID: 21695387 DOI: 10.1007/s00384-011-1258-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/10/2011] [Indexed: 02/04/2023]
Abstract
INTRODUCTION 8-Oxoguanine DNA glycosylase 1 (OGG1), a key protein involved in the base excision repair pathway, can recognize and excise several lesions from oligodeoxynucleotides with single DNA damage. A C/G polymorphism at 1,245 bp (C1245G) in exon 7 of the OGG1 (Ser326Cys, rs1052133) is found to have a lower enzymatic activity. A variety of case-control studies have been published evaluating the association between OGG1 Ser326Cys polymorphism and colorectal cancer (CRC), though their conclusions were always contradictory. MATERIALS AND METHODS This meta-analysis enrolled 12 studies to estimate the overall risk of OGG1 Ser326Cys polymorphism associated with CRC. The pooled odds ratios (ORs) were performed for codominant model (Cys/Cys versus Ser/Ser; Ser/Cys versus Ser/Ser), dominant model (Ser/Cys + Cys/Cys versus Ser/Ser) and recessive model (Cys/Cys versus Ser/Cys + Ser/Ser). RESULTS No significant associations were found for Cys/Cys versus Ser/Ser (OR = 1.19, 95% confidence interval (CI) 0.92-1.53), Ser/Cys versus Ser/Ser (OR = 1.04, 95% CI 0.95-1.13), Ser/Cys + Cys/Cys versus Ser/Ser (OR = 1.06, 95% CI 0.98-1.16) and Cys/Cys versus Ser/Cys + Ser/Ser (OR = 1.11, 95% CI 0.90-1.38); moreover, in the stratified analyses, no significantly increased risk was found for all genetic models. CONCLUSIONS Our meta-analysis suggests that the OGG1 Ser326Cys polymorphism is not associated with CRC risk.
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Affiliation(s)
- Ying Zhang
- Clinical Laboratory, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, 215300, Jiangsu Province, China
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37
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Wang W, Wang M, Chen Y, Zhang Z, Wang S, Xu M, Wang B, Zhao Q, Zhang Z. The hOGG1 Ser326Cys polymorphism contributes to cancer susceptibility: evidence from 83 case-control studies. Mutagenesis 2011; 27:329-36. [PMID: 22121210 DOI: 10.1093/mutage/ger083] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The Ser326Cys polymorphism in the human 8-oxogunaine DNA glycosylase (hOGG1) gene had been implicated in cancer susceptibility. Studies investigating the associations between the Ser326Cys polymorphism and cancer susceptibility showed conflicting results. To derive a more precise estimation of the relationship, a meta-analysis was performed. This meta-analysis was performed from 83 case-control studies, including 27,918 cases and 33,399 controls. The fixed and random effect models were used to estimate the odds ratios (ORs) and their 95% confidence interval (CI) for various contrasts of this polymorphism. The combined results based on all studies showed that the hOGG1 Ser326Cys polymorphism was associated with an increased cancer susceptibility in different genetic models. In the stratified analyses, the association was significantly in head and neck cancer (homozygote comparison: OR = 2.19, 95% CI: 1.20-4.01, P(heterogeneity) = 0.002; heterozygote comparison: OR = 1.48, 95% CI: 1.11-1.99, P(heterogeneity) = 0.004; dominant model comparison: OR = 1.58, 95% CI: 1.14-2.19, P(heterogeneity) < 0.001; recessive model comparison: OR = 1.73, 95% CI: 1.02-2.94, P(heterogeneity) = 0.002; and additive model comparison: OR = 1.43, 95% CI: 1.09-1.88, P(heterogeneity) < 0.001) which remained for studies of the Asian populations and hospital-based of control sources. But it was not observed in other cancer types of the European population and population based of control sources. This meta-analysis suggested that the hOGG1 Ser326Cys polymorphism might contribute to an increased risk on cancer susceptibility. More studies based on larger sample size should be performed to confirm the findings.
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Affiliation(s)
- Wei Wang
- Department of General Surgery, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Wei B, Zhou Y, Xu Z, Xi B, Cheng H, Ruan J, Zhu M, Hu Q, Wang Q, Wang Z, Yan Z, Jin K, Zhou D, Xuan F, Huang X, Shao J, Lu P. The effect of hOGG1 Ser326Cys polymorphism on cancer risk: evidence from a meta-analysis. PLoS One 2011; 6:e27545. [PMID: 22114677 PMCID: PMC3219678 DOI: 10.1371/journal.pone.0027545] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Accepted: 10/18/2011] [Indexed: 01/15/2023] Open
Abstract
Background Human oxoguanine glycosylase 1 (hOGG1) in base excision repair (BER) pathway plays a vital role in DNA repair. Numerous epidemiological studies have evaluated the association between hOGG1 Ser326Cys polymorphism and the risk of cancer. However, the results of these studies on the association remain conflicting. To derive a more precise estimation of the association, we conducted a meta-analysis. Methodology/Principal Findings A comprehensive search was conducted to identify the eligible studies of hOGG1 Ser326Cys polymorphism and cancer risk. We used odds ratios (ORs) with 95% confidence intervals (CIs) to assess the strength of the association. We found that the hOGG1 Ser326Cys polymorphism was significantly associated with overall cancer risk (Cys/Cys vs. Ser/Ser: OR = 1.19, 95%CI = 1.09–1.30, P<0.001; Cys/Cys vs. Cys/Ser+Ser/Ser: OR = 1.16, 95%CI = 1.08–1.26, P<0.001). Moreover, in subgroup analyses by cancer types, the stronger significant association between hOGG1 Ser326Cys polymorphism and lung cancer risk was found (Cys/Cys vs. Ser/Ser: OR = 1.29, 95%CI = 1.16–1.44, P<0.001; Cys/Cys vs. Cys/Ser+Ser/Ser: OR = 1.22, 95%CI = 1.12–1.33, P<0.001). The significant effects of hOGG1 Ser326Cys polymorphism on colorectal, breast, bladder, prostate, esophageal, and gastric cancer were not detected. In addition, in subgroup analyses by ethnicities, we found that the hOGG1 Ser326Cys polymorphism was associated with overall cancer risk in Asians (Cys/Cys vs. Ser/Ser: OR = 1.21, 95%CI = 1.10–1.33, P<0.001). Conclusions This meta-analysis showed that hOGG1 326Cys allele might be a low-penetrant risk factor for lung cancer.
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Affiliation(s)
- Bingbing Wei
- Department of Urology, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, China
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An OGG1 polymorphism is associated with mitochondrial DNA content in pesticide-exposed fruit growers. Toxicology 2011; 287:8-14. [DOI: 10.1016/j.tox.2011.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Revised: 05/02/2011] [Accepted: 05/04/2011] [Indexed: 12/21/2022]
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40
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Liu X, Xiao N, Guo W, Wu Y, Cai Z, He Q, Zhang L, Chen X, Sun C, Wang J, Zhu C, Jin H, Wang Y. The hOGG1 gene 5′-UTR variant c.−53G>C contributes to the risk of gastric cancer but not colorectal cancer in the Chinese population. J Cancer Res Clin Oncol 2011; 137:1477-85. [DOI: 10.1007/s00432-011-1022-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2011] [Accepted: 07/21/2011] [Indexed: 02/05/2023]
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41
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Li Q, Huang L, Rong L, Xue Y, Lu Q, Rui Y, Li J, Tong N, Wang M, Zhang Z, Fang Y. hOGG1 Ser326Cys polymorphism and risk of childhood acute lymphoblastic leukemia in a Chinese population. Cancer Sci 2011; 102:1123-7. [PMID: 21401806 DOI: 10.1111/j.1349-7006.2011.01928.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Oxidative DNA damage caused by reactive oxygen species can produce 8-oxoguanine (8-oxoG) in DNA, which is misread and leads to G:C→T:A transversions. This can be carcinogenic. Repair of 8-oxoG by the base excision repair pathway involves the activity of human 8-oxoG DNA glycosylase 1 (hOGG1). Accumulating evidence suggests that the hOGG1 Ser326Cys polymorphism affects the activity of hOGG1 and might serve as a genetic marker for susceptibility to several cancers. To determine whether this polymorphism is associated with risk of childhood acute lymphoblastic leukemia (ALL) in Chinese children, we genotyped the hOGG1 Ser326Cys polymorphism (rs1052133) in a case-control study including 415 cases and 511 controls. We found that there was a significant difference in the genotype distributions of the hOGG1 Ser326Cys polymorphism between cases and controls (P = 0.046), and the combined genotypes Ser/Ser and Ser/Cys were associated with a statistically significantly decreased risk of ALL (adjusted odds ratio [OR] = 0.66, 95% confidence interval [CI] = 0.49-0.88, P = 0.005). Furthermore, we found a decreased risk for high risk ALL (adjusted OR = 0.60, 95% CI = 0.40-0.88, P = 0.005), low risk ALL (adjusted OR = 0.68, 95% CI = 0.47-0.99, P = 0.042), and B-phenotype ALL (adjusted OR = 0.63, 95% CI = 0.46-0.86, P = 0.003) among children with the Ser/Ser and Ser/Cys genotypes. Our results suggest that the hOGG1 Ser326Cys polymorphism is associated with susceptibility to childhood ALL in a Chinese population.
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Affiliation(s)
- Qian Li
- Department of Hematology and Oncology, The Affiliated Nanjing Children's Hospital of Nanjing Medical University, Nanjing Department of Hematology and Oncology, The Affiliated Children's Hospital of Soochow University, Suzhou Department of Molecular and Genetic Toxicology, Cancer Center of Nanjing Medical University, Nanjing, China
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Garre P, Briceño V, Xicola RM, Doyle BJ, de la Hoya M, Sanz J, Llovet P, Pescador P, Puente J, Díaz-Rubio E, Llor X, Caldés T. Analysis of the oxidative damage repair genes NUDT1, OGG1, and MUTYH in patients from mismatch repair proficient HNPCC families (MSS-HNPCC). Clin Cancer Res 2011; 17:1701-12. [PMID: 21355073 DOI: 10.1158/1078-0432.ccr-10-2491] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
PURPOSE Several studies have described molecular differences between microsatellite stable hereditary nonpolyposis colorectal cancer (MSS-HNPCC) and microsatellite unstable Lynch syndrome tumors (MSI-HNPCC). These differences highlight the possibility that other instability forms could explain cancer susceptibility in this group of families. The base excision repair (BER) pathway is the major DNA repair pathway for oxidative DNA damage. A defect in this pathway can result in DNA transversion mutations and a subsequent increased cancer risk. Mutations in MUTYH have been associated with increased colorectal cancer (CRC) risk while no association has been described for OGG1 or NUDT1. EXPERIMENTAL DESIGN We performed mutational screening of the three genes involved in defense against oxidative DNA damage in a set of 42 MSS-HNPCC families. RESULTS Eight rare variants and 5 frequent variants were found in MSS-HNPCC patients. All variants were previously described by other authors except variant c.285C>T in OGG1. Segregation studies were done and in silico programs were used to estimate the level of amino acid conservation, protein damage prediction, and possible splicing alterations. Variants OGG1 c.137G>A; MUTYH c.1187G>A were detected in Amsterdam I families and cosegregate with cancer. Analysis of OGG1 c.137G>A transcripts showed an inactivation of the splicing donor of exon 1. CONCLUSIONS Two rare variants (OGG1 c.137G>A; MUTYH c.1187G>A) and one common polymorphism (NUDT1 c.426C>T) were associated with CRC risk. We show that the BER pathway can play a significant role in a number of MSS-HNPCC colorectal cancers. More studies could be of interest in order to gain further understanding of yet unexplained CRC susceptibility cases.
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Affiliation(s)
- Pilar Garre
- Laboratorio de Oncología Molecular, Hospital Clinico San Carlos, Madrid, Spain
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43
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Srivastava K, Srivastava A, Kumar A, Mittal B. Gallbladder cancer predisposition: a multigenic approach to DNA-repair, apoptotic and inflammatory pathway genes. PLoS One 2011; 6:e16449. [PMID: 21283657 PMCID: PMC3025033 DOI: 10.1371/journal.pone.0016449] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2010] [Accepted: 12/21/2010] [Indexed: 12/21/2022] Open
Abstract
Gallbladder cancer (GBC) is a multifactorial disease with complex interplay between multiple genetic variants. We performed Classification and Regression Tree Analysis (CART) and Grade of Membership (GoM) analysis to identify combinations of alleles among the DNA repair, inflammatory and apoptotic pathway genetic variants in modifying the risk for GBC. We analyzed 16 polymorphisms in 8 genes involved in DNA repair, apoptotic and inflammatory pathways to find out combinations of genetic variants contributing to GBC risk. The genes included in the study were XRCC1, OGG1, ERCC2, MSH2, CASP8, TLR2, TLR4 and PTGS2. Single locus analysis by logistic regression showed association of MSH2 IVS1+9G>C (rs2303426), ERCC2 Asp312Asn (rs1799793), OGG1 Ser326Cys (rs1052133), OGG1 IVS4-15C>G (rs2072668), CASP8 -652 6N ins/del (rs3834129), PTGS2 -1195G>A (rs689466), PTGS2 -765G>C (rs20417), TLR4 Ex4+936C>T (rs4986791) and TLR2 –196 to –174del polymorphisms with GBC risk. The CART analysis revealed OGG1 Ser326Cys, and OGG1 IVS4-15C>G polymorphisms as the best polymorphic signature for discriminating between cases and controls. In the GoM analysis, the data was categorized into six sets representing risk for GBC with respect to the investigated polymorphisms. Sets I, II and III described low intrinsic risk (controls) characterized by multiple protective alleles while sets IV, V and VI represented high intrinsic risk groups (GBC cases) characterized by the presence of multiple risk alleles. The CART and GoM analyses also showed the importance of PTGS2 -1195G>A polymorphism in susceptibility to GBC risk. In conclusion, the present multigenic approach can be used to define individual risk profiles for gallbladder cancer in North Indian population.
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Affiliation(s)
- Kshitij Srivastava
- Department of Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Anvesha Srivastava
- Department of Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Ashok Kumar
- Department of Surgical Gastroenterology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
| | - Balraj Mittal
- Department of Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
- * E-mail:
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Engin AB, Karahalil B, Engin A, Karakaya AE. Oxidative stress, Helicobacter pylori, and OGG1 Ser326Cys, XPC Lys939Gln, and XPD Lys751Gln polymorphisms in a Turkish population with colorectal carcinoma. Genet Test Mol Biomarkers 2010; 14:559-64. [PMID: 20649433 DOI: 10.1089/gtmb.2009.0195] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The contribution of polymorphisms of DNA repair genes OGG1 Ser326Cys, XPC Lys939Gln, and XPD Lys751Gln in developing colorectal carcinoma is controversial. Whether the group 1A carcinogen Helicobacter pylori is a risk factor or not in these patients could not be clearly elucidated. One hundred ten colorectal cancer patients and 116 cancer-free individuals constituted the test and control groups, respectively. The association of OGG1 Ser326Cys, XPC Lys939Gln, and XPD Lys751Gln polymorphisms and the susceptibility to colorectal carcinoma with or without oxidative stress were evaluated. DNA was extracted from peripheral blood cells and genotypes were determined using polymerase chain reaction-restriction fragment length polymorphism. For serum nitric oxide and total antioxidant status assay, spectrophotometric analyses were used. Serum albumin measurements were performed using an autoanalyzer. H. pylori IgG was measured by ELISA. The serum albumin concentrations of cancer patients were significantly lower than those of the controls (p < 0.05). The carriers of the variant genotype of OGG1 (odds ratio: 0.963; 95% confidence interval: 0.446-2.079), XPC (0.789, 0.366-1.700), or XPD (0.532, 0.259-1.094) did not associate with the increased risk of cancer progression, despite the increased oxidative stress in cancer patients. Seropositivity of H. pylori IgG has been found to increase the risk of colorectal carcinoma by 2.2-fold.
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Affiliation(s)
- Ayse Basak Engin
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey.
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45
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Sun LM, Shang Y, Zeng YM, Deng YY, Cheng JF. HOGG1 polymorphism in atrophic gastritis and gastric cancer after Helicobacter pylori eradication. World J Gastroenterol 2010; 16:4476-82. [PMID: 20845517 PMCID: PMC2941073 DOI: 10.3748/wjg.v16.i35.4476] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the association between Ser326Cys human oxoguanine glycosylase 1 (hOGG1) polymorphism and atrophic gastritis and gastric cancer after Helicobacter pylori (H. pylori) eradication.
METHODS: A total of 488 subjects (73 patients with gastric cancer, 160 with atrophic gastritis after H. pylori eradication and 255 controls) were prospectively collected. Polymerase chain reaction-restriction fragment length polymorphism analysis was performed to distinguish hOGG1 Ser326Cys polymorphism. Statistical analysis was conducted by two-sample t test for continuous variables and χ2 test for categorical variables. Logistic regression models were used to find the risk factors for gastric cancer and atrophic gastritis.
RESULTS: Neither the hOGG1 Ser/Cys nor the Cys/Cys genotype was associated with gastric cancer. Compared with the Ser/Ser genotype, odds ratio (OR) for Ser/Cys was 0.96, (95% CI: 0.51-1.84) and OR for Cys/Cys was 1.1 (95% CI: 0.48-2.1). No association was detected between hOGG1 polymorphism and Lauren type of gastric cancer (P = 0.61) either. However, Ser/Cys and Cys/Cys were significantly associated with atrophic gastritis with OR: 1.76 for Ser/Cys (95% CI: 1.03-3.0) and 2.38 for Cys/Cys (95% CI: 1.34-4.23). After controlling for age, gender, smoking and alcohol, there were still significant associations with OR: 2.05 for Ser/Cys (95% CI: 1.14-3.68) and 2.76 for Cys/Cys (95% CI: 1.47-5.18).
CONCLUSION: HOGG1 polymorphisms (Cys/Cys and Ser/Cys) are associated with atrophic gastritis. No significant association is detected between hOGG1 polymorphisms (Cys/Cys or Ser/Cys) and gastric cancer.
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The hOGG1 Ser326Cys polymorphism and breast cancer risk: a meta-analysis. Breast Cancer Res Treat 2010; 122:835-42. [PMID: 20058067 DOI: 10.1007/s10549-009-0722-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2009] [Accepted: 12/24/2009] [Indexed: 10/20/2022]
Abstract
It was reported that the functional polymorphism Ser326Cys in the human 8-oxoguanine DNA glycosylase gene was associated with breast cancer risk; however, the published studies have inconsistent conclusions. To elucidate the effect of hOGG1 Ser326Cys on the susceptibility to breast cancer, all available studies were collected in this meta-analysis. We extracted the data from 10 case-control studies that were published in the PubMed database from 2003 to 2008 using the search phrases "human 8-oxoguanine DNA glycosylase, hOGG1, OGG1, OGG, polymorphism, genetic variation, and breast cancer." This meta-analysis included 4,963 breast cancer cases and 4,776 control subjects. The results showed that individuals who carrying the hOGG1 326Cys allele in the additive model did not have significantly increased risk of breast cancer compared with those carrying the 326Ser allele (P = 0.47, OR = 1.02; 95% CI = 0.96-1.09); similarly, no significant association between the hOGG1 326Cys allele and breast cancer risk was found either in the recessive genetic model (P = 0.34, OR = 1.06; 95% CI = 0.94-1.18) for Cys/Cys versus Ser/Cys + Ser/Ser, or dominant genetic model (P = 0.78, OR = 1.01; 95% CI = 0.93-1.11) for Cys/Cys + Ser/Cys versus Ser/Ser. In the stratified analysis, the meta-analysis showed the association between hOGG1 326Cys allele in the additive model and breast cancer was significant in European subjects (P = 0.04, OR = 0.71; 95% CI = 0.51-0.98), and dominant genetic model (P = 0.004, OR = 0.44; 95% CI = 0.25-0.77). However, the association was not significant between this polymorphism and different menopausal status (premenopausal and postmenopausal) and the other ethnicities (Asians and Americans). The meta-analysis suggested that the hOGG1 326Cys allele plays a significant protective effect to breast cancer in European women.
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Curtin K, Samowitz WS, Wolff RK, Ulrich CM, Caan BJ, Potter JD, Slattery ML. Assessing tumor mutations to gain insight into base excision repair sequence polymorphisms and smoking in colon cancer. Cancer Epidemiol Biomarkers Prev 2009; 18:3384-8. [PMID: 19959686 PMCID: PMC2796556 DOI: 10.1158/1055-9965.epi-09-0955] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
DNA repair enzymes function in major pathways to reverse DNA damage, including base excision repair (BER). Missense polymorphisms in BER repair genes may contribute to differences in DNA repair capacity, specific mutations, and susceptibility to cancer in the presence of exposure to carcinogens such as cigarette smoking. In a study of 1,604 incident colon cancer cases and 1,969 matched population-based controls genotyped for BER variants OGG1 (S326C) and XRCC1 (R194W, R280H, and R399Q), we found no associations with colon cancer overall. However, a 2-fold increased risk of BRAF V600E tumor mutation was observed in current and former cigarette smokers homozygous for the OGG1 polymorphism (odds ratio, 2.2; 95% confidence interval, 1.02-4.9, recessive model); similar associations were not observed for microsatellite instability, CpG island methylator phenotype, KRAS2 mutations, or TP53 mutations. The XRCC1 R194W polymorphism was associated with a modest increased risk of TP53 tumor mutations in those who regularly smoked cigarettes (odds ratio, 1.4; 95% confidence interval, 1.02-1.9). These findings point to the importance of studying tumor mutations when examining DNA repair polymorphisms and cigarette smoke exposure to identify potentially relevant associations with colorectal cancer.
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Affiliation(s)
- Karen Curtin
- Department of Internal Medicine, University of Utah Health Sciences Center, Salt Lake City, 84132, USA.
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Dorszewska J, Kempisty B, Jaroszewska-Kolecka J, Rózycka A, Florczak J, Lianeri M, Jagodziński PP, Kozubski W. Expression and polymorphisms of gene 8-oxoguanine glycosylase 1 and the level of oxidative DNA damage in peripheral blood lymphocytes of patients with Alzheimer's disease. DNA Cell Biol 2009; 28:579-88. [PMID: 19630534 DOI: 10.1089/dna.2009.0926] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The purpose of this study was to determine the level of 8-oxo-2'-deoxyguanosine (8-oxo2dG) and expression of three isoforms of 8-oxoguanine glycosylase 1 (OGG1), OGG1-1a, 1b, and 1c, and OGG1 protein and Ser326Cys and Arg46Gln polymorphisms of the OGG1 gene, in peripheral blood lymphocytes of patients with Alzheimer's disease (AD) and healthy controls. The study was performed in 41 AD patients and 51 healthy subjects. The level of 8-oxo2dG was determined by high performance liquid chromatography/electrochemical; expression of OGG1-1a, 1b, and 1c by real-time quantitative polymerase chain reaction; and OGG1 protein by Western blotting. The polymerase chain reaction-restriction fragment length polymorphism analysis was conducted to analyze the Ser326Cys and Arg46Gln polymorphisms. It was found that AD patients and controls have three isoforms, OGG1-1a, 1b, and 1c. The OGG1-1c isoform seems to be associated with early stage of AD, while an increase in the expression of the OGG1-1b isoform and levels of OGG1 protein appears to be similarly related to the progression of AD. All of the studied OGG1 isoforms show a decreased expression in advanced AD. The CG Ser326Cys genotype seems to have a tendency to decrease 8-oxo2dG via control of repair mechanisms. The Arg46Gln polymorphism is not associated with the pathogenesis of AD. It appears that the OGG1-1a, 1b, and 1c isoforms are involved in the pathogenesis of AD.
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Affiliation(s)
- Jolanta Dorszewska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland.
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van der Zwaluw CS, Franke B, Engels RCME. Research Highlights. Pharmacogenomics 2009. [DOI: 10.2217/pgs.09.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Carmen S van der Zwaluw
- Behavioural Science Institute, Radboud University Nijmegen, PO Box 9104, 6500 HE Nijmegen, The Netherlands
| | - Barbara Franke
- Behavioural Science Institute, Radboud University Nijmegen, PO Box 9104, 6500 HE Nijmegen, The Netherlands
| | - Rutger CME Engels
- Behavioural Science Institute, Radboud University Nijmegen, PO Box 9104, 6500 HE Nijmegen, The Netherlands
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50
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Sliwinski T, Krupa R, Wisniewska-Jarosinska M, Pawlowska E, Lech J, Chojnacki J, Blasiak J. Common polymorphisms in the XPD and hOGG1 genes are not associated with the risk of colorectal cancer in a Polish population. TOHOKU J EXP MED 2009; 218:185-91. [PMID: 19561388 DOI: 10.1620/tjem.218.185] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Mutations in the DNA repair genes may contribute to the increased risk of cancer, including colorectal cancer. Xeroderma pigmentosum group D (XPD) protein and human homolog of the 8-oxoguanine glycosylase 1 (hOGG1) are involved in nucleotide excision repair and base excision repair, respectively. The XPD and the hOGG1 genes are highly polymorphic, and some of their polymorphisms are associated with several types of cancers. However, there is controversy as to the relationship between their polymorphisms and the risk of colorectal cancer. In the present study, we therefore searched for the association in a Polish population between colorectal cancer and two common polymorphisms: an A --> C transversion in the XPD gene that produces a Lys-to-Gln substitution at codon 751 (the Lys751Gln polymorphism; rs28365048) and a C --> G transversion in the hOGG1 gene resulting in a Ser-to-Cys change at codon 326 (the Ser326Cys polymorphism; rs1052133). Genotypes were determined using peripheral blood lymphocytes of 100 colorectal cancer patients and 100 age-, sex- and ethnicity-matched cancer-free controls by PCR and restriction fragment-length polymorphism analysis. We did not find statistically significant association between each polymorphism and the occurrence of colorectal cancer, and did not observe any relationship between each polymorphism and colorectal cancer progression assessed by node metastasis, tumor size and Duke's stage. Moreover, there was no correlation between combined genotypes of the two polymorphisms and colorectal cancer. Therefore, the Lys751Gln polymorphism of the XPD gene and the Ser326Cys polymorphism of the hOGG1 gene are not associated with colorectal cancer in a Polish population.
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Affiliation(s)
- Tomasz Sliwinski
- Department of Molecular Genetics, University of Lodz, Lodz, Poland
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