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Zou T, Liu JY, Qin Q, Guo J, Zhou WZ, Li XP, Zhou HH, Chen J, Liu ZQ. Role of rs873601 Polymorphisms in Prognosis of Lung Cancer Patients Treated with Platinum-Based Chemotherapy. Biomedicines 2023; 11:3133. [PMID: 38137354 PMCID: PMC10741124 DOI: 10.3390/biomedicines11123133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/15/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Lung cancer is still the most lethal malignancy in the world, according to the report of Cancer Statistics in 2021. Platinum-based chemotherapy combined with immunotherapy is the first-line treatment in lung cancer patients. However, the 5-year survival rate is always affected by the adverse reactions and drug resistance caused by platinum-based chemotherapy. DNA damage and repair system is one of the important mechanisms that can affect the response to chemotherapy and clinical outcomes in lung cancer patients. OBJECTIVE The objective of this study is to find the relationship between the polymorphisms of DNA repair genes with the prognosis of platinum-based chemotherapy in lung cancer patients. PATIENTS AND METHODS We performed genotyping in 17 single nucleotide polymorphisms (SNPs) of Excision Repair Cross-Complementation group (ERCC) genes and X-ray Repair Cross-Complementing (XRCC) genes of 345 lung cancer patients via Sequenom MassARRAY. We used Cox proportional hazard models, state, and plink to analyze the associations between SNPs and the prognosis of lung cancer patients. RESULTS We found that the ERCC5 rs873601 was associated with the overall survival time in lung cancer patients treated with platinum-based chemotherapy (p = 0.031). There were some polymorphisms that were related to the prognosis in specific subgroups of lung cancer. Rs873601 showed a great influence on the prognosis of patients more than 55 years, Small Cell Lung Cancer (SCLC), and smoking patients. Rs2444933 was associated with prognosis in age less than 55 years, SCLC, metastasis, and stage III/IV/ED patients. Rs3740051 played an important role in the prognosis of SCLC and metastasis patients. Rs1869641 was involved in the prognosis of SCLC patients. Rs1051685 was related to the prognosis in non-metastasis patients. CONCLUSION The ERCC5 rs873601 (G>A) was a valuable biomarker for predicting the prognosis in lung cancer patients treated with platinum-based chemotherapy.
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Affiliation(s)
- Ting Zou
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha 410078, China;
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Jun-Yan Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, China;
| | - Qun Qin
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Jie Guo
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Wen-Zhi Zhou
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Xiang-Ping Li
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
| | - Hong-Hao Zhou
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha 410078, China;
| | - Juan Chen
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zhao-Qian Liu
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha 410078, China;
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
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Karaağaç M, Geredeli Ç, Yıldırım MS, Altınok T, Dede İ, İnal A, Zamani AG, Kaya B, Demirkazık A, Artaç M. The XRCC1 and TP53 gene polymorphisms are associated with advanced-stage disease and early distant metastasis at diagnosis in non-small cell lung cancer. J Cancer Res Ther 2023; 19:1248-1254. [PMID: 37787291 DOI: 10.4103/jcrt.jcrt_1657_21] [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] [Indexed: 10/04/2023]
Abstract
Background Studies on single nucleotide polymorphisms (SNPs) in non-small cell lung cancer (NSCLC) suggest that DNA repair capacity may have prognostic implications for disease recurrence and survival. However, there is no study investigating the relationship between SNPs and the risk of metastasis at the time of initial diagnosis in patients with NSCLC. Objective This study aimed to investigate the potential predictive value of SNPs in detecting the risk of metastasis at the time of initial diagnosis and poor prognosis in patients with NSCLC. Material and Methods In this prospective cohort study, we evaluated 275 patients with NSCLC. Analysis of SNPs from peripheral blood cells was performed by a polymerase chain reaction. Excision repair cross-complementing group 1 (ERCC1)- Asn118Asn, excision repair cross-complementing group 2 (ERCC2)-Lys751Gln, X-ray repair cross-complementing group 1 (XRCC1)-Arg399Gln, and tumor protein 53 (TP53)-Arg72Pro polymorphisms were evaluated in conjunction with the development of metastasis. Results The ERCC1 normal genotype, ERCC2 heterozygote genotype, XRCC1 normal genotype, and TP53 normal genotype were associated with a higher stage and more advanced-stage disease at the time of initial diagnosis (P = 0.027, 0.005, <0.001, and 0.006, respectively). Also, XRCC1 normal genotype and TP53 normal genotype were associated with the risk of metastasis at the time of initial diagnosis (P = <0.001 and 0.002, respectively). Moreover, the XRCC1 normal genotype was associated with the risk of brain metastasis at the time of initial diagnosis (P = 0.031). Conclusions We showed that SNPs are related to a higher stage and more advanced-stage disease at the time of initial diagnosis in patients with NSCLC, and XRCC1 and TP53 gene polymorphisms are associated with the risk of metastasis. These results may contribute to the identification of high-risk groups and may help to earlier diagnosis and treatment in patients with NSCLC.
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Affiliation(s)
- Mustafa Karaağaç
- Department of Medical Oncology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Çağlayan Geredeli
- Department of Medical Oncology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Mahmut Selman Yıldırım
- Department of Medical Oncology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Tamer Altınok
- Department of Thoracic Surgery, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - İsa Dede
- Department of Medical Oncology, Medical Faculty, Ankara University, Ankara, Turkey
| | - Ali İnal
- Department of Medical Oncology, Medical Faculty, Dicle University, Diyarbakir, Turkey
| | - Ayşe Gül Zamani
- Department of Medical Oncology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Buğra Kaya
- Department of Nuclear Medicine, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Ahmet Demirkazık
- Department of Medical Oncology, Medical Faculty, Ankara University, Ankara, Turkey
| | - Mehmet Artaç
- Department of Medical Oncology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
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Chen Z, Wei D, Chen X, Huang Y, Shen Z, He W. RNA sequencing uncover crucial genes mediating progression of large-artery atherosclerotic and small-artery occlusion ischemic stroke. Brain Res 2022; 1796:148078. [PMID: 36096198 DOI: 10.1016/j.brainres.2022.148078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 08/04/2022] [Accepted: 09/04/2022] [Indexed: 02/05/2023]
Abstract
PURPOSE The goal of our study is to uncover the pathogenesis of large-artery atherosclerotic ischemic stroke (LAAIS) and small-artery occlusion ischemic stroke (SAOIS) and analyze their difference using RNA sequencing. METHODS RNA sequencing was used to filtrate differentially expressed mRNAs (DEmRNAs) and differentially expressed lncRNAs (DElncRNAs) in LAAIS and SAOIS. Specific DEmRNAs and DElncRNAs in LAAIS and SAOIS were further found. Functional annotation and DElncRNA-DEmRNA co-expression network were built to reveal biological function of DEmRNAs. RESULTS A total of 832 DEmRNAs and 96 DElncRNAs were identified in LAAIS vs normal controls. 587 DEmRNAs and 105 DElncRNAs were identified in SAOIS vs normal controls. In LAAIS vs SAOIS, 636 DEmRNAs and 112 DElncRNAs were identified. Among which, 571 DEmRNAs and 61 DElncRNAs were LAAIS specific DEmRNAs and DElncRNAs, respectively. 325 DEmRNAs and 66 DElncRNAs were respectively SAOIS specific DEmRNAs and DElncRNAs. We also obtained 3086 LAAIS specific DElncRNA-DEmRNA co-expression pairs and 661 SAOIS specific DElncRNA-DEmRNA co-expression pairs. Oxidative phosphorylation and Alzheimer's disease were significantly enriched pathways in both LAAIS specific DEmRNAs and DEmRNAs in LAAIS specific DElncRNA-DEmRNA co-expression network. ECM-receptor interaction, hypertrophic cardiomyopathy and dilated cardiomyopathy were significantly enriched pathways in both SAOIS specific DEmRNAs and DEmRNAs in SAOIS specific DElncRNA-DEmRNA co-expression network. CONCLUSION This finding may help to understand the mechanisms of LAAIS and SAOIS and offer novel clues for finding specific biomarkers for LAAIS and SAOIS.
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Affiliation(s)
- Zhaolin Chen
- Department of Neurology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Duncai Wei
- Department of Pharmacy, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Xiaopu Chen
- Department of Neurology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Yinting Huang
- Department of Neurology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Zibin Shen
- Department of Neurology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Wenzhen He
- Department of Neurology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
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Sun W, Niraula D, El Naqa I, Ten Haken RK, Dinov ID, Cuneo K, Jin JJ. Precision radiotherapy via information integration of expert human knowledge and AI recommendation to optimize clinical decision making. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2022; 221:106927. [PMID: 35675722 PMCID: PMC11058561 DOI: 10.1016/j.cmpb.2022.106927] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 05/10/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
In the precision medicine era, there is a growing need for precision radiotherapy where the planned radiation dose needs to be optimally determined by considering a myriad of patient-specific information in order to ensure treatment efficacy. Existing artificial-intelligence (AI) methods can recommend radiation dose prescriptions within the scope of this available information. However, treating physicians may not fully entrust the AI's recommended prescriptions due to known limitations or at instances when the AI recommendation may go beyond physicians' current knowledge. This paper lays out a systematic method to integrate expert human knowledge with AI recommendations for optimizing clinical decision making. Towards this goal, Gaussian process (GP) models are integrated with deep neural networks (DNNs) to quantify the uncertainty of the treatment outcomes given by physicians and AI recommendations, respectively, which are further used as a guideline to educate clinical physicians and improve AI models performance. The proposed method is demonstrated in a comprehensive dataset where patient-specific information and treatment outcomes are prospectively collected during radiotherapy of 67 non-small cell lung cancer (NSCLC) patients and are retrospectively analyzed.
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Affiliation(s)
- Wenbo Sun
- Department of Industrial and Operations Engineering, University of Michigan, Ann Arbor, USA.
| | - Dipesh Niraula
- Department of Machine Learning, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA.
| | - Issam El Naqa
- Department of Machine Learning, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA.
| | | | - Ivo D Dinov
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, USA
| | - Kyle Cuneo
- Department of Radiation Oncology, University of Michigan, Ann Arbor, USA.
| | - Judy Jionghua Jin
- Department of Industrial and Operations Engineering, University of Michigan, Ann Arbor, USA.
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Avinash Tejasvi ML, Maragathavalli G, Putcha UK, Ramakrishna M, Vijayaraghavan R, Anulekha Avinash CK. Impact of ERCC1 gene polymorphisms on response to cisplatin based therapy in oral squamous cell carcinoma (OSCC) patients. INDIAN J PATHOL MICR 2021; 63:538-543. [PMID: 33154302 DOI: 10.4103/ijpm.ijpm_964_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background and Objectives Cisplatin is one of the major drugs that used in the treatment of oral cancer.Excision repair cross-complementation group 1 (ERCC1) is a key DNA repair gene in the nucleotide excision repair pathway which is activated in the repair of intra- and interstrand DNA crosslink caused by platinum-based treatment. The aim of this study was to investigate the association between polymorphisms in ERCC1 (C118T & C8092A) genes and the response to cisplatin-based chemotherapy. Methods ERCC1polymorphisms (C118T & C8092A) were studied using PCR-RFLP method from 150 OSCC patients as cases as well as 150 normal tissues from the same patients were collected as controls for this study. Results: Frequencies of ERCC1 C118C, C118T and T118T genotypes were 60%, 28% and 12% in OSCC patients and 78%, 19% and 3% in the controls, respectively. The C118T & T118T genotype had a 1.69 and 4.97 -folds increased risk for OSCC. Frequencies of ERCC1 C8092C, C8092A and A8092A were 78%, 18% and 4% in the OSCC patients and 89%, 10%, amd 1% in the controls, respectively. The C8092A genotype showed a 1.97-fold increased risk for OSCC. Interpretation & Conclusions In conclusion, this study highlights the DNA repair gene polymorphisms that might play a role in mediating susceptibility to oral squamous cell carcinoma and cisplatin therapy. Our data suggest that the ERCC1 C118T, T118T and ERCC1 C8092A genotypes are genetic risk factors for Oral squamous cell carcinoma and ERCC1 118 C/T and C8092A polymorphisms have significant influence on clinical outcome.
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Affiliation(s)
- M L Avinash Tejasvi
- Department of Oral Medicine and Radiology, Kamineni Institute of Dental Sciences, Narketpally, Telangana, Ph.D Scholar (Oral Medicine and Radiology), Saveetha University, Chennai, Tamil Nadu, India
| | - G Maragathavalli
- Department of Oral Medicine and Radiology, Saveetha Dental College and Hospitals, Chennai, Tamil Nadu, India
| | - Uday Kumar Putcha
- Department of Pathology and Microbiology, National Institute of Nutrition, Hyderabad, Telangana, India
| | - M Ramakrishna
- Department of Radiation Oncology, MNJ Institute of Oncology and Regional Cancer Centre, Hyderabad, Telangana, India
| | - R Vijayaraghavan
- Department of Research and Development, Saveetha University, Chennai, Tamil Nadu, India
| | - C K Anulekha Avinash
- Department of Prosthodontics, Kamineni Institute of Dental Sciences, Narketpally, Telangana, India
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Smits MAJ, Janssens GE, Goddijn M, Hamer G, Houtkooper RH, Mastenbroek S. Longevity pathways are associated with human ovarian ageing. Hum Reprod Open 2021; 2021:hoab020. [PMID: 34027130 PMCID: PMC8126403 DOI: 10.1093/hropen/hoab020] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 04/01/2021] [Indexed: 12/30/2022] Open
Abstract
STUDY QUESTION Are genes known to be involved in somatic cell ageing, particularly related to longevity pathways, associated with the accelerated ageing process of the ovary? SUMMARY ANSWER Growth, metabolism, and cell-cycle progression-related pathways that are involved in somatic cell ageing are also associated with ovarian ageing. WHAT IS KNOWN ALREADY Ovarian ageing is characterized by a gradual decline in ovarian follicle quantity, a decline in oocyte quality, and lower chances of pregnancy. Genetic pathways modulating the rate of somatic cell ageing have been researched intensively. Ovarian ageing does not follow the same timeline as somatic cell ageing, as signs of ovarian ageing occur at a younger female age, while the somatic cells are still relatively young. It is not known whether the generally recognized somatic cell longevity genes also play a role during ovarian ageing. Looking at somatic cell longevity genes can lead to new hypotheses and possible treatment options for subfertility caused by ovarian ageing. STUDY DESIGN, SIZE, DURATION In this observational study, we analysed a dataset of individual gene expression profiles of 38 germinal vesicle (GV) oocytes from 38 women aged between 25 and 43 years. We correlated female age (calendar age in years) and biological age (factors known to be associated with ovarian ageing such as dosage of FSH needed for ovarian hyperstimulation, and antral follicle count (AFC)) with gene expression signatures of longevity pathways. PARTICIPANTS/MATERIALS, SETTING, METHODS Transcripts of 38 GV oocytes were used for individual gene expression analysis. R version 3.5.1 was used to process and analyse data. The GeneAge database (build 19) was used to obtain mouse ageing-related genes. Human to mouse orthologues were obtained using the R package biomaRt. Correlations and significance between gene expression data and age were tested for using Pearson's product moment correlation coefficient using ranked expression data. Distributions were compared with an ANOVA, and the Tukey Honest Significant Difference method was used to control for the Type I error rate across multiple comparisons. MAIN RESULTS AND THE ROLE OF CHANCE Of the 136 genes in the GeneAge database, the expression of 15 anti-longevity genes identified in oocytes showed a positive correlation with female calendar age and FSH dosage administered during ICSI treatment, and a negative correlation with AFC. Expression of 32 pro-longevity genes was negatively correlated with calendar age and FSH dosage, and positively correlated with AFC. In general, anti- and pro-longevity genes changed in opposing directions with advancing maternal age in oocytes. Notably, the anti-longevity genes include many ‘growth’-related genes involved in the mechanistic target of rapamycin (mTOR) Complex 1 pathway, such as EIF5A2, EIF3H, EIF4E, and mTOR. The pro-longevity genes include many cell-cycle progression-related genes involved in DNA damage repair (e.g. XRCC6, ERCC2, and MSH2) or cell-cycle checkpoint regulation genes (e.g. ATM, BRCA1, TP53, TP63, TP73, and BUB1B). LIMITATIONS, REASONS FOR CAUTION Using mature oocytes instead of GV-stage oocytes discarded from ICSI treatments may provide different results. No correction for multiple testing was carried out on individual genes because a small set of longevity-related genes was selected a priori for the analysis. The global trend was corrected for multiple testing and remained significant. This work was an observational study and, as no additional experimental work was performed, the associations described do not directly demonstrate the involvement of such genes in oocyte ageing. WIDER IMPLICATIONS OF THE FINDINGS Growth, metabolism, and cell-cycle progression-related pathways that are known to be involved in somatic cell ageing were associated with ovarian ageing. If experimental data are obtained to support these associations, we suggest that interventions known to modulate these processes could benefit women suffering from ovarian ageing. STUDY FUNDING/COMPETING INTEREST(S) G.E.J. is supported by a VENI grant from ZonMw (https://www.zonmw.nl). Work in the Houtkooper group is financially supported by an ERC Starting grant (No. 638290), a VIDI grant from ZonMw (No. 91715305), and the Velux Stiftung (No. 1063). M.G. declares several research and educational grants from Guerbet, Merck and Ferring (all location VUmc), outside the scope of the submitted work. The other authors report no competing interest TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Myrthe A J Smits
- Amsterdam UMC, University of Amsterdam, Center for Reproductive Medicine, Reproductive Biology Laboratory, Amsterdam Reproduction & Development research institute, Amsterdam, The Netherlands
| | - Georges E Janssens
- Laboratory Genetic Metabolic Diseases, Amsterdam Gastroenterology and Metabolism, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Mariëtte Goddijn
- Amsterdam UMC, University of Amsterdam, Center for Reproductive Medicine, Reproductive Biology Laboratory, Amsterdam Reproduction & Development research institute, Amsterdam, The Netherlands
| | - Geert Hamer
- Amsterdam UMC, University of Amsterdam, Center for Reproductive Medicine, Reproductive Biology Laboratory, Amsterdam Reproduction & Development research institute, Amsterdam, The Netherlands
| | - Riekelt H Houtkooper
- Laboratory Genetic Metabolic Diseases, Amsterdam Gastroenterology and Metabolism, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Sebastiaan Mastenbroek
- Amsterdam UMC, University of Amsterdam, Center for Reproductive Medicine, Reproductive Biology Laboratory, Amsterdam Reproduction & Development research institute, Amsterdam, The Netherlands
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Tejasvi MA, Maragathavalli G, Kumar PU, Ramakrishna M, Raghavan V, Ck AA. Impact of ERCC2 Gene Polymorphisms on OSCC Susceptibility and Clinical Characteristics. Glob Med Genet 2021; 7:121-127. [PMID: 33693445 PMCID: PMC7938941 DOI: 10.1055/s-0041-1722952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2022] Open
Abstract
Background DNA repair systems play an important role in maintaining the integrity of the human genome. Deficiency in the repair capacity due to either mutations or inherited polymorphisms in DNA repair genes may contribute to variations in the DNA repair capacity and subsequently susceptibility to cancer. Objectives This study aimed to investigate the association between Excision repair cross-complementation groups 2 (ERCC2) single nucleotide polymorphisms (SNPs rs1799793 and rs13181) and the response to platinum-based chemotherapy among patients with oral squamous cell carcinoma (OSCC). Methodology Polymerase chain reaction-based restriction fragment length polymorphism analysis was used to determine the polymorphism from a total of 150 OSCC patients and 150 normal tissues of same patients were collected as controls for this study. Results ERCC2 GA (Asp312Asn) AC (Lys751Gln) genotypes were significantly associated ( p = 0.0001 and p = 0.0004, respectively) with OSCC patients, when compared with the controls. These findings suggest that potentially functional SNPs in ERCC2 may contribute to OSCC risk. This study highlights the genetic variant that might play a role in mediating susceptibility to OSCC in this population. An understanding of DNA repair gene polymorphisms might not only enable risk assessment, but also response to therapy, which target the DNA repair pathway.
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Affiliation(s)
- Ml Avinash Tejasvi
- Department of Oral Medicine and Radiology, Kamineni Institute of Dental sciences, Narketpally, Saveetha University, Chennai, India
| | - Gopal Maragathavalli
- Department of Oral Medicine and Radiology, Saveetha Dental College and Hospitals, Chennai, India
| | - Putcha Uday Kumar
- Department of Pathology & Microbiology, National Institute of Nutrition, Hyderabad, India
| | - M Ramakrishna
- Department of Radiation Oncology, MNJ Institute of Oncology & Regional Cancer Centre, Hyderabad, India
| | - Vijaya Raghavan
- Department of Research and Development, Saveetha University, Chennai, India
| | - Anulekha Avinash Ck
- Department of Prosthodontics, Kamineni Institute of Dental Sciences Narketpally, Telangana, India
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Kaur K, Kaur R. Modulation of DNA damage by XPF, XPG and ERCC1 gene polymorphisms in pesticide-exposed agricultural workers of Punjab, North-West India. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2021; 861-862:503302. [PMID: 33551103 DOI: 10.1016/j.mrgentox.2020.503302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 12/04/2020] [Accepted: 12/14/2020] [Indexed: 12/16/2022]
Abstract
Inter-individual variations in DNA repair capacity (DRC) for repairing pesticide-induced DNA oxidation damage may influence adverse health outcomes. We aimed to evaluate whether polymorphisms in genes involved in nucleotide excision repair (NER) pathway could modulate DNA damage in pesticide-exposed agricultural workers. Xeroderma pigmentosum group F (XPF) (Arg415Gln, G1244A, rs1800067), xeroderma pigmentosum group G (XPG) (Asp1104His, G3507C, rs17655), excision repair cross complementation group 1 (ERCC1) (3'UTR, C8092A, rs3212986) and ERCC1 (Asn118Asn, C19007T, rs11615) polymorphisms were analyzed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique in 225 pesticide-exposed agricultural workers and 225 controls from Punjab, North-West India. The assessment of DNA damage was carried out by alkaline comet assay. Kruskal-Wallis test was used to evaluate the association of gene polymorphisms in NER pathway with DNA damage. Pesticide-exposed agricultural workers carrying variant XPF Gln/Gln (AA) genotype showed higher comet tail length (p < 0.01) than wild type Arg/Arg (GG) genotype. The comet tail length (p < 0.01) was found to be significantly increased in exposed agricultural workers carrying XPG His/His (CC) genotype than wild-type Asp/Asp (GG) genotype. In relation to the individuals carrying wild type ERCC1 3'UTR CC genotype, exposed individuals with variant ERCC1 3'UTR CA genotype showed elevation in the comet tail length (p = 0.029). However, we found no association of ERCC1 Asn118Asn (C19007T) genotype with DNA damage. These results indicate that XPF, XPG and ERCC1 genes of NER pathway may modulate the efficacy of the DNA repair system against pesticide exposure in our population.
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Affiliation(s)
- Karashdeep Kaur
- Department of Biotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, 140406 Punjab, India.
| | - Rupinder Kaur
- Department of Biotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, 140406 Punjab, India.
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Li YK, Xu Q, Sun LP, Gong YH, Jing JJ, Xing CZ, Yuan Y. Nucleotide excision repair pathway gene polymorphisms are associated with risk and prognosis of colorectal cancer. World J Gastroenterol 2020; 26:307-323. [PMID: 31988591 PMCID: PMC6969885 DOI: 10.3748/wjg.v26.i3.307] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 12/26/2019] [Accepted: 01/01/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Single nucleotide polymorphisms (SNPs) are universally present in nucleotide excision repair (NER) pathway genes, which could make impacts on colorectal carcinogenesis and prognosis.
AIM To explore the association of all tagSNPs in NER pathway genes with colorectal cancer (CRC) risk and prognosis in a northern Chinese population by a two-stage case-control design composed of a discovery and validation stage.
METHODS Genotyping for NER SNPs was performed using kompetitive allele specific PCR. In the discovery stage, 39 tagSNPs in eight genes were genotyped in 368 subjects, including 184 CRC cases and 184 individual-matched controls. In the validation stage, 13 SNPs in six genes were analyzed in a total of 1712 subjects, including 854 CRC cases and 858 CRC-free controls.
RESULTS Two SNPs (XPA rs10817938 and XPC rs2607775) were associated with an increased CRC risk in overall and stratification analyses. Significant cumulative and interaction effects were also demonstrated in the studied SNPs on CRC risk. Another two SNPs (ERCC2 rs1052555 and ERCC5 rs2228959) were newly found to be associated with a poor overall survival of CRC patients.
CONCLUSION Our findings suggest novel SNPs in NER pathway genes that can be predictive for CRC risk and prognosis in a large-scale Chinese population. The present study has referential values for the identification of all-round NER-based genetic biomarkers in predicting the susceptibility and clinical outcome of CRC.
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Affiliation(s)
- Yan-Ke Li
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
- Department of Anorectal Surgery, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Qian Xu
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Li-Ping Sun
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Yue-Hua Gong
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Jing-Jing Jing
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Cheng-Zhong Xing
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
- Department of Anorectal Surgery, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
| | - Yuan Yuan
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, Key Laboratory of Cancer Etiology and Prevention of Liaoning Education Department, Key Laboratory of GI Cancer Etiology and Prevention of Liaoning Province, the First Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
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10
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Zhang LF, Zhu LJ, Zhang W, Yuan W, Song NH, Zuo L, Mi YY, Wang ZJ, Zhang W. MMP-8 C-799 T, Lys460Thr, and Lys87Glu variants are not related to risk of cancer. BMC MEDICAL GENETICS 2019; 20:162. [PMID: 31638929 PMCID: PMC6805444 DOI: 10.1186/s12881-019-0890-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 09/06/2019] [Indexed: 12/12/2022]
Abstract
Background Several studies have focused on the relationship between MMP-8 variants and cancer risk, but they have been unsuccessful in drawing reliable conclusions. Methods We employed odds ratio (OR) together with 95% confidence interval (CI) to assess the correlation between MMP-8 C-799 T, Lys460Thr, and Lys87Glu polymorphisms and cancer risk. We further employed in silico tools to evaluate the effect of MMP-8 expression on cancer susceptibility and overall survival time. Results A total of 8140 patients with malignant carcinoma and 10,529 healthy individuals (control) were enrolled. Overall, the analysis showed that the relationship between three MMP-8 variants and cancer susceptibility was not significant (allelic contrast, C-799 T: OR = 0.98, 95% CI = 0.92–1.04, Pheterogeneity = 0.068; Lys460Thr: OR = 0.94, 95% CI = 0.67–1.32, Pheterogeneity = 0.905; Lys87Glu: OR = 1.05, 95% CI = 0.93–1.18, Pheterogeneity = 0.968). Similar results were observed in subgroup analysis by ethnicity, cancer type, and source of control. In silico analysis indicated that MMP-8 expression was elevated in bladder cancer tissue compared to that in the control. However, both the higher and lower MMP-8 expression groups did not show an impact on the overall survival time of the patients. Conclusions MMP-8 C-799 T, Lys460Thr, and Lys87Glu variants are not participant with the susceptibility of cancer.
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Affiliation(s)
- Li-Feng Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu Province, China
| | - Li-Jie Zhu
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214000, China
| | - Wei Zhang
- Department of Oncology, Taizhou People's Hospital, Taizhou, 225300, Jiangsu, China
| | - Wei Yuan
- Department of Cardiology, Taizhou People's Hospital, Taizhou, 225300, Jiangsu, China
| | - Ning-Hong Song
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
| | - Li Zuo
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, 213003, Jiangsu Province, China.
| | - Yuan-Yuan Mi
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, 214000, China.
| | - Zeng-Jun Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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11
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Bishehsari F, Zhang L, Voigt RM, Maltby N, Semsarieh B, Zorub E, Shaikh M, Wilber S, Armstrong AR, Mirbagheri SS, Preite NZ, Song P, Stornetta A, Balbo S, Forsyth CB, Keshavarzian A. Alcohol Effects on Colon Epithelium are Time-Dependent. Alcohol Clin Exp Res 2019; 43:1898-1908. [PMID: 31237690 PMCID: PMC6722020 DOI: 10.1111/acer.14141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 06/20/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Alcohol intake increases the risk of developing colon cancer. Circadian disruption promotes alcohol's effect on colon carcinogenesis through unknown mechanisms. Alcohol's metabolites induce DNA damage, an early step in carcinogenesis. We assessed the effect of time of alcohol consumption on markers of tissue damage in the colonic epithelium. METHODS Mice were treated by alcohol or phosphate-buffered saline (PBS), at 4-hour intervals for 3 days, and their colons were analyzed for (i) proliferation (Ki67) and antiapoptosis (Bcl-2) markers, (ii) DNA damage (γ-H2AX), and (iii) the major acetaldehyde (AcH)-DNA adduct, N2 -ethylidene-dG. To model circadian disruption, mice were shifted once weekly for 12 h and then were sacrificed at 4-hour intervals. Samples of mice with a dysfunctional molecular clock were analyzed. The dynamics of DNA damage repair from AcH treatment as well as role of xeroderma pigmentosum, complementation group A (XPA) in their repair were studied in vitro. RESULTS Proliferation and survival of colonic epithelium have daily rhythmicity. Alcohol induced colonic epithelium proliferation in a time-dependent manner, with a stronger effect during the light/rest period. Alcohol-associated DNA damage also occurred more when alcohol was given at light. Levels of DNA adduct did not vary by time, suggesting rather lower repair efficiency during the light versus dark. XPA gene expression, a key excision repair gene, was time-dependent, peaking at the beginning of the dark. XPA knockout colon epithelial cells were inefficient in repair of the DNA damage induced by alcohol's metabolite. CONCLUSIONS Time of day of alcohol intake may be an important determinant of colon tissue damage and carcinogenicity.
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Affiliation(s)
- Faraz Bishehsari
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Lijuan Zhang
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Robin M. Voigt
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Natalie Maltby
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Bita Semsarieh
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Eyas Zorub
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Maliha Shaikh
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Sherry Wilber
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Andrew R Armstrong
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Seyed Sina Mirbagheri
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Nailliw Z. Preite
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Peter Song
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Alessia Stornetta
- Masonic Cancer Center, University of Minnesota, Minneapolis MN 55455
| | - Silvia Balbo
- Masonic Cancer Center, University of Minnesota, Minneapolis MN 55455
| | - Christopher B. Forsyth
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
| | - Ali Keshavarzian
- Department of Internal Medicine, Division of Gastroenterology, Rush University Medical Center, Chicago, IL USA
- Department of Physiology, Rush University Medical Center, Chicago, IL USA
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht Netherlands
- Department of Pharmacology, Rush University Medical Center, Chicago, IL USA
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12
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Dai F, Zhu LJ, Zhang W, Mi YY, Sun HY, Zhang LF, Yue C, Wu XY, Zuo L, Bai Y. The association between three AXIN2 variants and cancer risk. J Cell Biochem 2019; 120:15561-15571. [PMID: 31038806 DOI: 10.1002/jcb.28823] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 01/28/2019] [Accepted: 01/30/2019] [Indexed: 12/13/2022]
Abstract
Plenty of epidemiological studies have assessed the effects of AXIN2 polymorphisms on the risk of developing cancer, but the available results were somewhat inconclusive. Odds ratios (ORs) with 95% confidence intervals (CIs) were utilized to investigate the relationship between three AXIN2 variants (rs2240308 C/T, rs1133683 C/T, and rs4791171 A/G) and overall cancer susceptibility. In silico tools were undertaken to investigate the correlation of AXIN2 expression with cancer risk and survival time. Furthermore, we explored the serum expression of AXIN2 by enzyme-linked immunosorbent assay. A total of 4167 cancer patients and 3515 control subjects were evaluated. The overall results demonstrated that there was no major association of these polymorphisms on cancer risk. However, stratified analysis by cancer type showed evidence that rs2240308 C/T polymorphism had a lower risk in lung cancer (OR, 0.76; 95% CI, 0.63-0.92; Pheterogeneity = 0.865) and prostate cancer (OR, 0.54; 95% CI, 0.35-0.84; Pheterogeneity = 0.088) by heterozygote comparison. Similar results were indicated in Asian descendants and population-based studies. In silico analysis showed evidence that AXIN2 expressions in lung cancer and prostate cancer were lower than that in normal counterpart. High expression of AXIN2 may have longer overall survival time than low expression group for lung cancer participants. In addition, individuals who were CC/TC carriers had a higher serum expression level than TT carriers. In conclusion, this pooled analysis suggested that AXIN2 rs2240308 C/T variant may decrease both lung and prostate cancer susceptibility, particularly in Asian descendants and population-based studies. Future large scale and well-designed research are required to validate these effects in more detail.
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Affiliation(s)
- Feng Dai
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Li-Jie Zhu
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Wei Zhang
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, China
| | - Yuan-Yuan Mi
- Department of Urology, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - He-Yun Sun
- Department of Urology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Li-Feng Zhang
- Department of Urology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Chuang Yue
- Department of Urology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Xing-Yu Wu
- Department of Urology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Li Zuo
- Department of Urology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
| | - Yu Bai
- Department of Urology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China
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13
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Meucci S, Keilholz U, Heim D, Klauschen F, Cacciatore S. Somatic genome alterations in relation to age in lung squamous cell carcinoma. Oncotarget 2018; 9:32161-32172. [PMID: 30181806 PMCID: PMC6114948 DOI: 10.18632/oncotarget.25848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 07/12/2018] [Indexed: 12/31/2022] Open
Abstract
Lung squamous cell carcinoma (LUSC) is the most common cause of global cancer-related mortality and the major risk factors is smoking consumption. By analyzing ∼500 LUSC samples from The Cancer Genome Atlas, we detected a higher mutational burden as well as a higher level of methylation changes in younger patients. The SNPs mutational profiling showed enrichments of smoking-related signature 4 and defective DNA mismatch repair (MMR)-related signature 6 in younger patients, while the defective DNA MMR signature 26 was enriched among older patients. Furthermore, gene set enrichment analysis was performed in order to explore functional effect of somatic alterations in relation to patient age. Extracellular Matrix-Receptor Interaction, Nucleotide Excision Repair and Axon Guidance seem crucial disrupted pathways in younger patients. We hypothesize that a higher sensitivity to smoking-related damages and the enrichment of defective DNA MMR related mutations may contribute to the higher mutational burden of younger patients. The two distinct age-related defective DNA MMR signatures 6 and 26 might be crucial mutational patterns in LUSC tumorigenesis which may develop distinct phenotypes. Our study provides indications of age-dependent differences in mutational backgrounds (SNPs and CNVs) as well as epigenetic patterns that might be relevant for age adjusted treatment approaches.
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Affiliation(s)
- Stefano Meucci
- Charité Comprehensive Cancer Center, Charité University Hospital, Berlin, Germany
| | - Ulrich Keilholz
- Charité Comprehensive Cancer Center, Charité University Hospital, Berlin, Germany
| | - Daniel Heim
- Institut für Pathologie, Charité University Hospital, Berlin, Germany
| | | | - Stefano Cacciatore
- Imperial College Parturition Research Group, Division of the Institute of Reproductive and Developmental Biology, Imperial College London, London, England, UK
- International Centre for Genetic Engineering and Biotechnology, Cancer Genomics Group, Cape Town, South Africa
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14
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Li G, Wang X, Wang X, Guan Z, Guo J, Wang F, Zhang J, Niu B, Zhang T, Wang J, Yang J. Polymorphism rs1052536 in Base Excision Repair Gene Is a Risk Factor in a High-Risk Area of Neural Tube Defects in China. Med Sci Monit 2018; 24:5015-5026. [PMID: 30022792 PMCID: PMC6067017 DOI: 10.12659/msm.907492] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Background DNA Base Excision Repair Gene-DNA LigaseIII (LIG3) is an important repair gene in the repair pathway and plays an important role in maintaining the integrity of mitochondria. Rs1052536 and rs3135967 polymorphisms of the gene are associated with lung cancer, keratoconus, and Fuchs endothelial corneal dystrophy. There is no previously published report on the relationship between the polymorphisms and neural tube defects (NTDs). Material/Methods Mass ARRAY iPLEX was used to determine the distribution of the polymorphisms in the case group of 108 NTD pregnant women and a control group of 233 normal healthy pregnant women to examine the relevance of their polymorphisms and NTD occurrence. Results The homozygotes of rs1052536 TT were associated with an increased risk for NTDs than CC (P=0.014, OR=2.31, 95%CI [1.17–4.54]), and variants of rs1052536 T were associated with an increased risk of NTDs (P=0.024, OR=1.50, 95%CI [1.06–2.13]). The stratified analysis showed that TT genotype of rs1052536 increased the risk of anencephaly (P=0.016, OR=2.69, 95%CI [1.18–6.10]) and the T allele significantly increased the risk of cranial NTDs (P=0.033, OR=1.56, 95%CI [1.04–2.35]). Conclusions Rs1052536 in LIG3 gene might be a potential genetic risk factor in a high-risk area of NTDs in China.
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Affiliation(s)
- Guannan Li
- Department of Neurology, Affiliated Children's Hospital of Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Xin Wang
- Department of Neurology, Affiliated Children's Hospital of Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Xiuwei Wang
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Zhen Guan
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Jin Guo
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Fang Wang
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Jianzhao Zhang
- Department of Neurology, Affiliated Children's Hospital of Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Bo Niu
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Ting Zhang
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Jianhua Wang
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China (mainland)
| | - Jian Yang
- Department of Neurology, Affiliated Children's Hospital of Capital Institute of Pediatrics, Beijing, China (mainland)
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15
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Zhao J, Chen S, Zhou H, Zhang T, Liu Y, He J, Zhu J, Ruan J. XPG rs17655 G>C polymorphism associated with cancer risk: evidence from 60 studies. Aging (Albany NY) 2018; 10:1073-1088. [PMID: 29779017 PMCID: PMC5990387 DOI: 10.18632/aging.101448] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 05/08/2018] [Indexed: 02/07/2023]
Abstract
Xeroderma pigmentosum group G (XPG), a key component in nucleotide excision repair pathway, functions to cut DNA lesions during DNA repair. Genetic variations that alter DNA repair gene expression or function may decrease DNA repair ability and impair genome integrity, thereby predisposing to cancer. The association between XPG rs17655 G>C polymorphism and cancer risk has been investigated extensively, but the results remain contradictory. To get a more accurate conclusion, we performed a comprehensive meta-analysis of 60 case-control studies, involving 27,098 cancer cases and 30,535 healthy controls. Crude odds ratios (ORs) and 95% confidence interval (CIs) were calculated to determine the association of interest. Pooled analysis indicated that the XPG rs17655 G>C polymorphism increased the risk of overall cancer (CC vs. GG: OR=1.10, 95% CI=1.00-1.20; CG vs. GG: OR=1.06, 95% CI=1.02-1.11; CG+CC vs. GG: OR=1.07, 95% CI=1.02-1.12; C vs. G: OR=1.05, 95% CI=1.01-1.09). Stratification analysis by cancer type further showed that this polymorphism was associated with increased risk of gastric cancer and colorectal cancer. This meta-analysis indicated that the XPG gene rs17655 G>C polymorphism was associated with increased overall cancer risk, especially the risk of gastric cancer and colorectal cancer. Further validation experiments are needed to strength our conclusion.
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Affiliation(s)
- Jie Zhao
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Shanshan Chen
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Haixia Zhou
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Ting Zhang
- Department of Clinical Medicine Center, The First People’s Hospital of Wenling, The Affiliated Wenling Hospital of Wenzhou Medical University, Wenling 317500, Zhejiang, China
| | - Yang Liu
- Department of Clinical Laboratory, Molecular Epidemiology Laboratory, Harbin Medical University Cancer Hospital, Harbin 150040, Heilongjiang, China
| | - Jing He
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou 510623, Guangdong, China
| | - Jinhong Zhu
- Department of Clinical Laboratory, Molecular Epidemiology Laboratory, Harbin Medical University Cancer Hospital, Harbin 150040, Heilongjiang, China
| | - Jichen Ruan
- Department of Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
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16
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Erkisi Z, Yaylim-Eraltan I, Turna A, Görmüs U, Camlica H, Isbir T. Polymorphisms in the Microsomal Epoxide Hydrolase Gene: Role in Lung Cancer Susceptibility and Prognosis. TUMORI JOURNAL 2018; 96:756-63. [DOI: 10.1177/030089161009600519] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aims and background The aim of this study was to investigate the relationship between EPHXI exon 3 Tyr113His and exon 4 His139Arg polymorphisms, predicted microsomal epoxide hydrolase (mEH) activity, and lung cancer development. mEH is a protective enzyme involved in oxidative defences against a number of environmental chemicals and pollutants, but it is also responsible for the xenobiotic activation of carcinogens. Methods We investigated the two polymorphisms of the mEH gene (EPHX1) in 58 lung cancer patients and 41 controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Results The exon 3 Tyr113His polymorphism was associated with lung cancer (P <0.001). The frequency of the His113His homozygote genotype in exon 3 was significantly increased in patients compared with controls (P <0.001). In contrast, there was no significant difference in exon 4 polymorphisms between patients and controls. When the exon 3 and 4 polymorphisms were considered together, the combined EPHX1 His113His113/His139His139 genotype (very low predicted enzyme activity) was found to be associated with an increased risk of lung cancer (P = 0.044, OR = 3.063, CI = 0.932–10.069). We observed that patients with T3 + T4 tumors had an approximately 3-fold higher risk of the Tyr113/His113 genotype than patients with T1 + T2 tumors. Lung cancer patients carrying aheterozygote Tyr113/His113 genotype had a 2-fold increased risk of lymph node metastases (P = 0.051). Conclusion These findings suggest that the exon 3 Tyr113His and exon 4 His139Arg polymorphisms of EPHXI may be associated with a increased risk of lung cancer and a worse prognosis. Free full text available at www.tumorionline.it
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Affiliation(s)
- Zelal Erkisi
- Department of Medicine, Institute of Experimental Medical Research, University of Istanbul, Istanbul
| | - Ilhan Yaylim-Eraltan
- Department of Medicine, Institute of Experimental Medical Research, University of Istanbul, Istanbul
| | - Akif Turna
- Department of Thoracic Surgery, Yedikule Teaching Hospital for Chest Diseases and Thoracic Surgery, Istanbul
| | - Uzay Görmüs
- Department of Medicine, Institute of Experimental Medical Research, University of Istanbul, Istanbul
| | - Hakan Camlica
- Division of Cancer Epidemiology and Biostatistics, Institute of Oncology, University of Istanbul, Istanbul
| | - Turgay Isbir
- Department of Medical Biology, Medical Faculty, Yeditepe University, Istanbul, Turkey
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17
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Impact of DNA repair, folate and glutathione gene polymorphisms on risk of non small cell lung cancer. Pathol Res Pract 2018; 214:44-52. [DOI: 10.1016/j.prp.2017.11.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/08/2017] [Accepted: 11/16/2017] [Indexed: 12/18/2022]
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18
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Sandler JE, Huang H, Zhao N, Wu W, Liu F, Ma S, Udelsman R, Zhang Y. Germline Variants in DNA Repair Genes, Diagnostic Radiation, and Risk of Thyroid Cancer. Cancer Epidemiol Biomarkers Prev 2017; 27:285-294. [PMID: 29263185 DOI: 10.1158/1055-9965.epi-17-0319] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/27/2017] [Accepted: 12/15/2017] [Indexed: 01/30/2023] Open
Abstract
Background: Radiation exposure is a well-documented risk factor for thyroid cancer; diagnostic imaging represents an increasing source of exposure. Germline variations in DNA repair genes could increase risk of developing thyroid cancer following diagnostic radiation exposure. No studies have directly tested for interaction between germline mutations and radiation exposure.Methods: Using data and DNA samples from a Connecticut population-based case-control study performed in 2010 to 2011, we genotyped 440 cases of incident thyroid cancer and 465 population-based controls for 296 SNPs in 52 DNA repair genes. We used multivariate unconditional logistic regression models to estimate associations between each SNP and thyroid cancer risk, as well as to directly estimate the genotype-environment interaction between each SNP and ionizing radiation.Results: Three SNPs were associated with increased risk of thyroid cancer and with thyroid microcarcinoma: HUS rs2708896, HUS rs10951937, and MGMT rs12769288. No SNPs were associated with increased risk of larger tumor (>10 mm) in the additive model. The gene-environment interaction analysis yielded 24 SNPs with Pinteraction < 0.05 for all thyroid cancer, 12 SNPs with Pinteraction < 0.05 for thyroid microcarcinoma, and 5 SNPs with Pinteraction < 0.05 for larger tumors.Conclusions: Germline variants in DNA repair genes are associated with thyroid cancer risk and are differentially associated with thyroid microcarcinoma and large tumor size. Our study provides the first evidence that germline genetic variations modify the association between diagnostic radiation and thyroid cancer risk.Impact: Thyroid microcarcinoma may represent a distinct subset of thyroid cancer. The effect of diagnostic radiation on thyroid cancer risk varies by germline polymorphism. Cancer Epidemiol Biomarkers Prev; 27(3); 285-94. ©2017 AACR.
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Affiliation(s)
| | - Huang Huang
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Nan Zhao
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut
| | - Weiwei Wu
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut.,School of Public Health, Shanxi Medical University, Taiyuan, China
| | - Fangfang Liu
- The 302 Military Hospital, Beijing, China.,Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Shuangge Ma
- Department of Biostatistics, Yale School of Public Health, New Haven, Connecticut
| | - Robert Udelsman
- Endocrine Neoplasia Institute, Miami Cancer Center, Miami, Florida
| | - Yawei Zhang
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut. .,Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut
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Namazi A, Forat-Yazdi M, Jafari MA, Foroughi E, Farahnak S, Nasiri R, Zare-Shehneh M, Neamatzadeh H. Association between Polymorphisms of ERCC5 Gene and Susceptibility to Gastric Cancer: A Systematic Review and Meta-Analysis. ASIAN PACIFIC JOURNAL OF CANCER PREVENTION : APJCP 2017; 18:2611-2617. [PMID: 29072052 PMCID: PMC5747378 DOI: 10.22034/apjcp.2017.18.10.2611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Background: several epidemiological studies have suggested that polymorphisms of the Excision Repair Cross Complementing Group-5 (ERCC5) gene might be related to gastric cancer risk; however, the results have been inconsistent or controversial. Therefore, we have performed a systematic review and meta-analysis to clarify the association between the ERCC5 gene polymorphisms and gastric cancer risk. Materials and Methods: An electronic search was conducted of several databases, including PubMed, Web of Science, and Google Scholar for articles that describe the association between polymorphisms of the ERCC5 gene and susceptibility of gastric cancer. Results: A total of 33 case control studies in 15 publications were included in the present meta-analysis. There were significant associations between gastric cancer susceptibility and ERCC5 gene rs751402 C>T (T vs. C: OR = 1.166, 95% C = 1.066-1.274, p= 0.001; TT vs. CC: OR = 0.723, 95% CI = 0.587-0.890, p = 0.002; TT+TC vs. CC: OR = 0.853, 95% CI = 0.757-0.961, p = 0.009; TT vs. TC+CC: OR = 0.793, 95% CI = 0.659-0.955, p = 0.015), rs2296147 T>C (C vs. T: OR = 1.268, 95% C = 1.049-1.532, p= 0.014), rs873601 G>A polymorphisms (A vs. G, OR = 1.087, 95% C = 1.021-1.159, p= 0.010; AA vs. GG, OR = 1.184, 95% CI = 1.043-1.343, p = 0.009, AA vs. AG+GG, OR = 1.156, 95% CI = 1.040-1.284, p = 0.007), but not rs2094258 C>T and rs1047768 T>C. Conclusion: the current meta-analysis demonstrates that rs751402 C>T, rs2296147 T>C, and rs873601 G>A polymorphisms of ERCC5 gene are associated with the susceptibility of gastric cancer.
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Affiliation(s)
- Abolfazl Namazi
- Department of Internal Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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20
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Eskandari E, Rezaifar A, Hashemi M. XPG Asp1104His, XRCC2 Rs3218536 A/G and RAD51 135G/C Gene Polymorphisms and Colorectal Cancer Risk: A Meta-Analysis. Asian Pac J Cancer Prev 2017; 18:1805-1813. [PMID: 28749109 PMCID: PMC5648383 DOI: 10.22034/apjcp.2017.18.7.1805] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background: DNA repair mechanisms are crucial for sustaining DNA integrity and preventing carcinogenesis. The xeroderma pigmentosum group G (XPG), X-ray repair cross complementing group 2 (XRCC2) and RAD51 are candidate genes for DNA repair pathways. Methods: We performed a meta-analysis of 26 studies that assessed the impact of XPG Asp1104His, XRCC2 rs3218536 A/G and RAD51 135G/C polymorphisms on colorectal cancer (CRC) risk. This study included 10288 CRC patients and 11885 controls, and odds ratio (OR) with its 95% confidence interval (CI) were used to calculate the strength of association. Results: The results of overall meta-analysis suggested an association between the XPG Asp1104His polymorphism and CRC susceptibility in allele (OR=1.06; 95% CI=1.01-1.12) and heterozygote model (OR=1.16; 95%CI=1.02-1.31). In the subgroup analysis based on ethnicity and source of control, we found significantly increased CRC cancer risk in Asians (OR=1.12, 95%CI=1.04-1.21) and in hospital-based (OR=1.22, 95%CI=1.08-1.38) populations. Moreover, the RAD51 135 G/C polymorphism increased the risk of CRC in total using allele (OR=1.21) and recessive models (OR=1.62). However, XRCC2 rs3218536 A/G was not associated with the risk of CRC in total or in subgroups. Conclusions: According to the results of our meta-analysis, the XPG Asp1104His and RAD51 135 G/C polymorphisms might influence colorectal cancer risk.
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Affiliation(s)
- Ebrahim Eskandari
- Genetic of Non-Communicable Disease Research Center, School of Medicine, University of Medical Sciences, Zahedan, Iran.,Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran.
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Exposure to meat-derived carcinogens and bulky DNA adduct levels in normal-appearing colon mucosa. Mutat Res 2017; 821:5-12. [PMID: 28735743 DOI: 10.1016/j.mrgentox.2017.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 06/16/2017] [Accepted: 06/28/2017] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Meat consumption is a risk factor for colorectal cancer. This research investigated the relationship between meat-derived carcinogen exposure and bulky DNA adduct levels, a biomarker of DNA damage, in colon mucosa. METHODS Least squares regression was used to examine the relationship between meat-derived carcinogen exposure (PhIP and meat mutagenicity) and bulky DNA adduct levels in normal-appearing colon tissue measured using 32P-postlabelling among 202 patients undergoing a screening colonoscopy. Gene-diet interactions between carcinogen exposure and genetic factors relevant to biotransformation and DNA repair were also examined. Genotyping was conducting using the MassARRAY® iPLEX® Gold SNP Genotyping assay. RESULTS PhIP and higher meat mutagenicity exposures were not associated with levels of bulky DNA adducts in colon mucosa. The XPC polymorphism (rs2228001) was found to associate with bulky DNA adduct levels, whereby genotypes conferring lower DNA repair activity were associated with higher DNA adduct levels than the normal activity genotype. Among individuals with genotypes associated with lower DNA repair (XPD, rs13181 and rs1799179) or detoxification activity (GSTP1, rs1695), higher PhIP or meat mutagenicity exposures were associated with higher DNA adduct levels. Significant interactions between the XPC polymorphism (rs2228000) and both dietary PhIP and meat mutagenicity on DNA adduct levels was observed, but associations were inconsistent with the a priori hypothesized direction of effect. CONCLUSION Exposure to meat-derived carcinogens may be associated with increased DNA damage occurring directly in the colon among genetically susceptible individuals.
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New polymorphisms of Xeroderma Pigmentosum DNA repair genes in myelodysplastic syndrome. Leuk Res 2017; 58:73-82. [DOI: 10.1016/j.leukres.2017.03.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 03/16/2017] [Accepted: 03/19/2017] [Indexed: 11/21/2022]
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Zhang H, Ge J, Hong H, Bi L, Sun Z. Genetic polymorphisms in ERCC1 and ERCC2 genes are associated with response to chemotherapy in osteosarcoma patients among Chinese population: a meta-analysis. World J Surg Oncol 2017; 15:75. [PMID: 28388903 PMCID: PMC5383995 DOI: 10.1186/s12957-017-1142-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 03/22/2017] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND There existed controversies about the association between the response to chemotherapy for osteosarcoma (OS) patients and the genetic polymorphisms in excision repair cross-complementation group (ERCC1 and ERCC2) genes. We aimed to perform a meta-analysis to comprehensively evaluate the association. METHOD We searched multiple databases for literature retrieval including the PubMED (1966 ∼ 2017), Embase (1980 ∼ 2017), and the Web of science (1945 ∼ 2017). The overall odds ratios(OR) and their corresponding 95% confidence interval (CI) were calculated for the three polymorphisms under the dominant, recessive, and allelic models. RESULTS From six eligible articles in our study, we found that for ERCC1 rs11615 polymorphism, a significant association was detected between the chemotherapy response and the polymorphism under all three models (dominant model: OR = 2.015, P = 0.005; recessive model: OR = 1.791, P = 0.003; allelic model: OR = 1.677, P = 0.003), and OS patients carrying C allele in rs11615 polymorphism were more likely to response to chemotherapy. In terms of ERCC2 rs1799793 polymorphism, this polymorphism was significantly associated with the response to chemotherapy for OS patients under recessive model (OR = 1.337, P = 0.036), and patients with AG + AA genotype in rs1799793 polymorphism were more appropriate to receive chemotherapy. With respect to ERCC2 rs13181 polymorphism, this polymorphism was not correlated with the response to chemotherapy for OS patients under all three models. CONCLUSIONS Our meta-analysis suggested that among Chinese population, the rs11615 and rs1799793 polymorphisms were significantly correlated with the response to chemotherapy for patients with OS, and patients with CC or TC + CC genotypes in ERCC1 rs11615 polymorphism or AG + AA genotype in ERCC2 rs1799793 polymorphism were more suitable for chemotherapy.
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Affiliation(s)
- Haiguang Zhang
- Yantaishan Hospital, No. 91 Jiefang Road, 264000 Yantai City, Shandong Province China
| | - Junbo Ge
- Yantaishan Hospital, No. 91 Jiefang Road, 264000 Yantai City, Shandong Province China
| | - Huanyu Hong
- Yantaishan Hospital, No. 91 Jiefang Road, 264000 Yantai City, Shandong Province China
| | - Lili Bi
- Yeda Hospital, 264000 Yantai, Shandong Province China
| | - Zhengwen Sun
- Yantaishan Hospital, No. 91 Jiefang Road, 264000 Yantai City, Shandong Province China
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24
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Genetic variants of the DNA repair genes from Exome Aggregation Consortium (EXAC) database: significance in cancer. DNA Repair (Amst) 2017; 52:92-102. [DOI: 10.1016/j.dnarep.2017.02.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Revised: 01/11/2017] [Accepted: 02/20/2017] [Indexed: 12/29/2022]
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25
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Liu X, Lin Q, Fu C, Liu C, Zhu F, Liu Z, Li S, Jiang L. Association between XPA gene rs1800975 polymorphism and susceptibility to lung cancer: a meta-analysis. CLINICAL RESPIRATORY JOURNAL 2016; 12:448-458. [PMID: 27460688 DOI: 10.1111/crj.12535] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 03/14/2016] [Accepted: 07/17/2016] [Indexed: 11/30/2022]
Abstract
BACKGROUND Xeroderma pigmentosum complementation group A (XPA) gene is a key member of nucleotide excision repair pathway. It was reported that XPA rs1800975 polymorphism was associated with susceptibility to lung cancer. However, the conclusions were controversial. METHODS We conducted a computer retrieval of PubMed, EMbase, CNKI, CBM, and WanFang infrastructure platform from 1980 to 2014. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to estimate the association strength. Publication bias was detected by means of a funnel plot. RESULTS A total of 11 articles (12 studies) involving 4257 cases and 5294 controls were included. Significant associations could be found between rs1800975 and lung cancer risk in these three models (codominant model AG vs. AA, overdominant genetic model AG vs. AA + GG, dominant model AG + GG vs. AA) in overall. In the stratified analysis by ethnicity, we found similar results as above in the Asian population. In the smoking population, the G allele carriers were associated with a significantly reduced risk of lung cancer (AG + GG vs. AA) compared with the AA carriers.Stratified analysis showed the AG genotype and G allele carriers (AG + GG) might be a protective factor compared with the AA gene for squamous carcinoma (AG vs. AA, AG + GG vs. AA). CONCLUSIONS This meta-analysis suggested that the XPA gene rs1800975 Polymorphism was associated with lung cancer susceptibility. By performing multiple separate pairwise comparisons, carriers with AG genotype under the codominant genetic model (AG vs. AA) might play actually the leading role in associating with lung cancer susceptibility in overall and in Asians.
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Affiliation(s)
- Xin Liu
- Department of Respiratory Medicine, Fujian province geriatric Hospital, Fuzhou, 350000, People's Republic of China
| | - Qunying Lin
- Department of Respiratory Medicine, Affiliated Hospital of Putian University, Putian, 351100, People's Republic of China
| | - Cuiping Fu
- Department of Respiratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, People's Republic of China.,Respiratory Research Institute, Fudan University, Shanghai, 200032, People's Republic of China
| | - Chengying Liu
- Department of Respiratory Medicine, Affiliated Jiangyin Hospital of Southeast University, Jiangyin, 214400, People's Republic of China
| | - Fen Zhu
- Department of Respiratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, People's Republic of China.,Respiratory Research Institute, Fudan University, Shanghai, 200032, People's Republic of China
| | - Zilong Liu
- Department of Respiratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, People's Republic of China.,Respiratory Research Institute, Fudan University, Shanghai, 200032, People's Republic of China
| | - Shanqun Li
- Department of Respiratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, People's Republic of China.,Respiratory Research Institute, Fudan University, Shanghai, 200032, People's Republic of China
| | - Liyan Jiang
- Department of Respiratory Medicine, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, 200032, People's Republic of China
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26
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Single nucleotide polymorphisms in DNA repair genes and putative cancer risk. Arch Toxicol 2016; 90:2369-88. [PMID: 27334373 DOI: 10.1007/s00204-016-1771-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 06/15/2016] [Indexed: 02/07/2023]
Abstract
Single nucleotide polymorphisms (SNPs) are the most frequent type of genetic alterations between individuals. An SNP located within the coding sequence of a gene may lead to an amino acid substitution and in turn might alter protein function. Such a change in protein sequence could be functionally relevant and therefore might be associated with susceptibility to human diseases, such as cancer. DNA repair mechanisms are known to play an important role in cancer development, as shown in various human cancer syndromes, which arise due to mutations in DNA repair genes. This leads to the question whether subtle genetic changes such as SNPs in DNA repair genes may contribute to cancer susceptibility. In numerous epidemiological studies, efforts have been made to associate specific SNPs in DNA repair genes with altered DNA repair and cancer. The present review describes some of the common and most extensively studied SNPs in DNA repair genes and discusses whether they are functionally relevant and subsequently increase the likelihood that cancer will develop.
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27
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Du P, Wang Y, Chen L, Gan Y, Wu Q. High ERCC1 expression is associated with platinum-resistance, but not survival in patients with epithelial ovarian cancer. Oncol Lett 2016; 12:857-862. [PMID: 27446360 PMCID: PMC4950824 DOI: 10.3892/ol.2016.4732] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 05/10/2016] [Indexed: 01/07/2023] Open
Abstract
The present study aimed to investigate the association between excision repair cross-complementation group 1 (ERCC1) expression and clinical resistance to platinum-based chemotherapy or clinical characteristics, including survival time, in patients with epithelial ovarian cancer (EOC). ERCC1 expression was determined by immunohistochemical staining in 92 tumor specimens from patients with EOC. The effect of ERCC1 expression on progression-free survival time (PFS) or overall survival time (OS), and its association with clinical resistance to platinum-based chemotherapy was investigated by Kaplan-Meier survival analysis, Cox regression analysis and the χ2 test. Of 92 patients with EOC, 89.13% (82/92) had ERCC1-positive tumors. The positive rate was significantly higher in platinum-resistant patients compared with those who were platinum-responding (P<0.05). The PFS and median OS were 12 and 30 months, respectively, in ERCC1 high expression patients, and 17 and 39 months, respectively, in ERCC1 low expression patients. However, there was no statistically significant difference in PFS (P=0.099) or OS (P=0.103) between the high and low expression groups. Furthermore, it was identified that ERCC1 was not an independent factor affecting the prognosis of patients with EOC based on Cox proportional hazards regression analysis. These results demonstrate that high ERCC1 expression is associated with resistance to platinum-based chemotherapy, but not with survival time, and ERCC1 protein expression is not an independent factor or the only factor affecting the prognosis of patients with EOC.
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Affiliation(s)
- Pei Du
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510230, P.R. China
| | - Yifeng Wang
- Department of Obstetrics and Gynecology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Liquan Chen
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510230, P.R. China
| | - Yaping Gan
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510230, P.R. China
| | - Qinian Wu
- Department of Pathology, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510230, P.R. China
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28
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Langie SAS, Koppen G, Desaulniers D, Al-Mulla F, Al-Temaimi R, Amedei A, Azqueta A, Bisson WH, Brown DG, Brunborg G, Charles AK, Chen T, Colacci A, Darroudi F, Forte S, Gonzalez L, Hamid RA, Knudsen LE, Leyns L, Lopez de Cerain Salsamendi A, Memeo L, Mondello C, Mothersill C, Olsen AK, Pavanello S, Raju J, Rojas E, Roy R, Ryan EP, Ostrosky-Wegman P, Salem HK, Scovassi AI, Singh N, Vaccari M, Van Schooten FJ, Valverde M, Woodrick J, Zhang L, van Larebeke N, Kirsch-Volders M, Collins AR. Causes of genome instability: the effect of low dose chemical exposures in modern society. Carcinogenesis 2015; 36 Suppl 1:S61-88. [PMID: 26106144 DOI: 10.1093/carcin/bgv031] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Genome instability is a prerequisite for the development of cancer. It occurs when genome maintenance systems fail to safeguard the genome's integrity, whether as a consequence of inherited defects or induced via exposure to environmental agents (chemicals, biological agents and radiation). Thus, genome instability can be defined as an enhanced tendency for the genome to acquire mutations; ranging from changes to the nucleotide sequence to chromosomal gain, rearrangements or loss. This review raises the hypothesis that in addition to known human carcinogens, exposure to low dose of other chemicals present in our modern society could contribute to carcinogenesis by indirectly affecting genome stability. The selected chemicals with their mechanisms of action proposed to indirectly contribute to genome instability are: heavy metals (DNA repair, epigenetic modification, DNA damage signaling, telomere length), acrylamide (DNA repair, chromosome segregation), bisphenol A (epigenetic modification, DNA damage signaling, mitochondrial function, chromosome segregation), benomyl (chromosome segregation), quinones (epigenetic modification) and nano-sized particles (epigenetic pathways, mitochondrial function, chromosome segregation, telomere length). The purpose of this review is to describe the crucial aspects of genome instability, to outline the ways in which environmental chemicals can affect this cancer hallmark and to identify candidate chemicals for further study. The overall aim is to make scientists aware of the increasing need to unravel the underlying mechanisms via which chemicals at low doses can induce genome instability and thus promote carcinogenesis.
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Affiliation(s)
- Sabine A S Langie
- Environmental Risk and Health Unit, Flemish Institute for Technological Research (VITO), Boeretang 200, 2400 Mol, Belgium, Health Canada, Environmental Health Sciences and Research Bureau, Environmental Health Centre, Ottawa, Ontario K1A0K9, Canada, Department of Pathology, Kuwait University, Safat 13110, Kuwait, Department of Experimental and Clinical Medicine, University of Firenze, Florence 50134, Italy, Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Navarra, Pamplona 31009, Spain, Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA, Department of Environmental and Radiological Health Sciences/Food Science and Human Nutrition, College of Veterinary Medicine and Biomedical Sciences, Colorado State University/Colorado School of Public Health, Fort Collins, CO 80523-1680, USA, Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, PO Box 4404, N-0403 Oslo, Norway, Hopkins Building, School of Biological Sciences, University of Reading, Reading, Berkshire RG6 6UB, UK, Division of Genetic and Molecular Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA, Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna 40126, Italy, Human and Environmental Safety Research, Department of Health Sciences, College of North Atlantic, Doha, State of Qatar, Mediterranean Institute of Oncology, 95029 Viagrande, Italy, Laboratory for Cell Genetics, Vrije Universiteit Brussel, Brussels 1050, Belgium, Department of Biomedical Science, Faculty of Medicine and Health Sciences, University Putra, Serdang 43400, Selangor, Malaysia, University of Copenhagen, Department of Public Health, Copenhagen 1353, Denmark, Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy, Medical Phys
| | - Gudrun Koppen
- Environmental Risk and Health Unit, Flemish Institute for Technological Research (VITO), Boeretang 200, 2400 Mol, Belgium, Health Canada, Environmental Health Sciences and Research Bureau, Environmental Health Centre, Ottawa, Ontario K1A0K9, Canada, Department of Pathology, Kuwait University, Safat 13110, Kuwait, Department of Experimental and Clinical Medicine, University of Firenze, Florence 50134, Italy, Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Navarra, Pamplona 31009, Spain, Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA, Department of Environmental and Radiological Health Sciences/Food Science and Human Nutrition, College of Veterinary Medicine and Biomedical Sciences, Colorado State University/Colorado School of Public Health, Fort Collins, CO 80523-1680, USA, Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, PO Box 4404, N-0403 Oslo, Norway, Hopkins Building, School of Biological Sciences, University of Reading, Reading, Berkshire RG6 6UB, UK, Division of Genetic and Molecular Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA, Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna 40126, Italy, Human and Environmental Safety Research, Department of Health Sciences, College of North Atlantic, Doha, State of Qatar, Mediterranean Institute of Oncology, 95029 Viagrande, Italy, Laboratory for Cell Genetics, Vrije Universiteit Brussel, Brussels 1050, Belgium, Department of Biomedical Science, Faculty of Medicine and Health Sciences, University Putra, Serdang 43400, Selangor, Malaysia, University of Copenhagen, Department of Public Health, Copenhagen 1353, Denmark, Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy, Medical Phys
| | - Daniel Desaulniers
- Health Canada, Environmental Health Sciences and Research Bureau, Environmental Health Centre, Ottawa, Ontario K1A0K9, Canada
| | - Fahd Al-Mulla
- Department of Pathology, Kuwait University, Safat 13110, Kuwait
| | | | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, Florence 50134, Italy
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Navarra, Pamplona 31009, Spain
| | - William H Bisson
- Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA
| | - Dustin G Brown
- Department of Environmental and Radiological Health Sciences/Food Science and Human Nutrition, College of Veterinary Medicine and Biomedical Sciences, Colorado State University/Colorado School of Public Health, Fort Collins, CO 80523-1680, USA
| | - Gunnar Brunborg
- Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, PO Box 4404, N-0403 Oslo, Norway
| | - Amelia K Charles
- Hopkins Building, School of Biological Sciences, University of Reading, Reading, Berkshire RG6 6UB, UK
| | - Tao Chen
- Division of Genetic and Molecular Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA
| | - Annamaria Colacci
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna 40126, Italy
| | - Firouz Darroudi
- Human and Environmental Safety Research, Department of Health Sciences, College of North Atlantic, Doha, State of Qatar
| | - Stefano Forte
- Mediterranean Institute of Oncology, 95029 Viagrande, Italy
| | - Laetitia Gonzalez
- Laboratory for Cell Genetics, Vrije Universiteit Brussel, Brussels 1050, Belgium
| | - Roslida A Hamid
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, University Putra, Serdang 43400, Selangor, Malaysia
| | - Lisbeth E Knudsen
- University of Copenhagen, Department of Public Health, Copenhagen 1353, Denmark
| | - Luc Leyns
- Laboratory for Cell Genetics, Vrije Universiteit Brussel, Brussels 1050, Belgium
| | | | - Lorenzo Memeo
- Mediterranean Institute of Oncology, 95029 Viagrande, Italy
| | - Chiara Mondello
- Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy
| | - Carmel Mothersill
- Medical Physics & Applied Radiation Sciences, McMaster University, Hamilton, Ontario L8S4L8, Canada
| | - Ann-Karin Olsen
- Department of Chemicals and Radiation, Division of Environmental Medicine, Norwegian Institute of Public Health, PO Box 4404, N-0403 Oslo, Norway
| | - Sofia Pavanello
- Department of Cardiac, Thoracic and Vascular Sciences, Unit of Occupational Medicine, University of Padova, Padova 35128, Italy
| | - Jayadev Raju
- Toxicology Research Division, Bureau of Chemical Safety Food Directorate, Health Products and Food Branch Health Canada, Ottawa, Ontario K1A0K9, Canada
| | - Emilio Rojas
- Departamento de Medicina Genomica y Toxicologia Ambiental, Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de México, México CP 04510, México
| | - Rabindra Roy
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Elizabeth P Ryan
- Department of Environmental and Radiological Health Sciences/Food Science and Human Nutrition, College of Veterinary Medicine and Biomedical Sciences, Colorado State University/Colorado School of Public Health, Fort Collins, CO 80523-1680, USA
| | - Patricia Ostrosky-Wegman
- Departamento de Medicina Genomica y Toxicologia Ambiental, Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de México, México CP 04510, México
| | - Hosni K Salem
- Urology Department, kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo 12515, Egypt
| | - A Ivana Scovassi
- Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy
| | - Neetu Singh
- Centre for Advanced Research, King George's Medical University, Chowk, Lucknow 226003, Uttar Pradesh, India
| | - Monica Vaccari
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna 40126, Italy
| | - Frederik J Van Schooten
- Department of Toxicology, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, 6200MD, PO Box 61, Maastricht, The Netherlands
| | - Mahara Valverde
- Departamento de Medicina Genomica y Toxicologia Ambiental, Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de México, México CP 04510, México
| | - Jordan Woodrick
- Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Luoping Zhang
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA 94720-7360, USA
| | - Nik van Larebeke
- Laboratory for Analytical and Environmental Chemistry, Vrije Universiteit Brussel, Brussels 1050, Belgium, Study Centre for Carcinogenesis and Primary Prevention of Cancer, Ghent University, Ghent 9000, Belgium
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29
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Ho V, Peacock S, Massey TE, Godschalk RWL, van Schooten FJ, Chen J, King WD. Gene-diet interactions in exposure to heterocyclic aromatic amines and bulky DNA adduct levels in blood leukocytes. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2015; 56:609-620. [PMID: 26010176 DOI: 10.1002/em.21950] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/09/2015] [Accepted: 03/10/2015] [Indexed: 06/04/2023]
Abstract
Heterocyclic aromatic amines (HAAs), carcinogens produced in meat when cooked at high temperatures, are an emerging biologic explanation for the meat-colorectal cancer relationship. HAAs form DNA adducts; left unrepaired, adducts can induce mutations, which may initiate/promote carcinogenesis. The purpose of this research was to investigate the relationship between dietary HAAs, genetic susceptibility and bulky DNA adduct levels. Least squares regression was used to examine the relationship between dietary HAA exposure and bulky DNA adduct levels in blood measured using (32)P-postlabeling among 99 healthy volunteers. Gene-diet interactions between dietary HAAs and genetic factors relevant to the biotransformation of HAAs and DNA repair were also examined. No main effects of dietary HAAs on bulky DNA adduct levels was found. However, those with the putative NAT1 rapid acetylator phenotype had lower adduct levels than those with the slow acetylator phenotype (P = 0.02). Furthermore, having five or more 'at-risk' genotypes was associated with higher bulky DNA adduct levels (P = 0.03). Gene-diet interactions were observed between NAT1 polymorphisms and dietary HAAs (P < 0.05); among the slow acetylator phenotype, higher intakes of HAAs were associated with an increase in DNA adduct levels compared to lower intakes. This study provides evidence of a biologic relationship between dietary HAAs, genetic susceptibility and bulky DNA adduct formation. However, the lack of a strong main effect of HAAs suggests that dietary HAAs are not a large contributor to bulky DNA adducts in this population; future studies should consider relevant gene-diet interactions to clarify the role of HAAs in carcinogenesis.
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Affiliation(s)
- Vikki Ho
- University of Montreal Hospital Research Centre (CRCHUM), Tour Saint-Antoine, Montréal, Québec, H2X 0A9, Canada
| | - Sarah Peacock
- Department of Public Health Sciences, Queen's University, Kingston, Ontario, K7L3N6, Canada
| | - Thomas E Massey
- Department of Biomedical and Molecular Sciences, Pharmacology and Toxicology Graduate Program, Kingston, Ontario, K7L3N6, Canada
| | - Roger W L Godschalk
- Department of Toxicology, Maastricht University, Maastricht, The Netherlands
| | | | - Jian Chen
- Department of Pathology, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - Will D King
- Department of Public Health Sciences, Queen's University, Kingston, Ontario, K7L3N6, Canada
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Bileck A, Ferk F, Al-Serori H, Koller VJ, Muqaku B, Haslberger A, Auwärter V, Gerner C, Knasmüller S. Impact of a synthetic cannabinoid (CP-47,497-C8) on protein expression in human cells: evidence for induction of inflammation and DNA damage. Arch Toxicol 2015; 90:1369-82. [PMID: 26194647 DOI: 10.1007/s00204-015-1569-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 07/06/2015] [Indexed: 01/12/2023]
Abstract
Synthetic cannabinoids (SCs) are marketed worldwide as legal surrogates for marihuana. In order to predict potential health effects in consumers and to elucidate the underlying mechanisms of action, we investigated the impact of a representative of the cyclohexylphenols, CP47,497-C8, which binds to both cannabinoid receptors, on protein expression patterns, genomic stability and on induction of inflammatory cytokines in human lymphocytes. After treatment of the cells with the drug, we found pronounced up-regulation of a variety of enzymes in nuclear extracts which are involved in lipid metabolism and inflammatory signaling; some of the identified proteins are also involved in the endogenous synthesis of endocannabinoids. The assumption that the drug causes inflammation is further supported by results obtained in additional experiments with cytosols of LPS-stimulated lymphocytes which showed that the SC induces pro-inflammatory cytokines (IL12p40 and IL-6) as well as TNF-α. Furthermore, the proteome analyses revealed that the drug causes down-regulation of proteins which are involved in DNA repair. This observation provides an explanation for the formation of comets which was seen in single-cell gel electrophoresis assays and for the induction of micronuclei (which reflect structural and numerical chromosomal aberrations) by the drug. These effects were seen in experiments with human lymphocytes which were conducted under identical conditions as the proteome analysis. Taken together, the present findings indicate that the drug (and possibly other structurally related SCs) may cause DNA damage and inflammation in directly exposed cells of consumers.
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Affiliation(s)
- Andrea Bileck
- Faculty of Chemistry, Institute of Analytical Chemistry, University of Vienna, Währingerstr. 38, 1090, Vienna, Austria
| | - Franziska Ferk
- Department of Internal Medicine 1, Comprehensive Cancer Center, Institute of Cancer Research, Medical University of Vienna, Borschkegasse 8A, 1090, Vienna, Austria
| | - Halh Al-Serori
- Department of Internal Medicine 1, Comprehensive Cancer Center, Institute of Cancer Research, Medical University of Vienna, Borschkegasse 8A, 1090, Vienna, Austria
| | - Verena J Koller
- Department of Internal Medicine 1, Comprehensive Cancer Center, Institute of Cancer Research, Medical University of Vienna, Borschkegasse 8A, 1090, Vienna, Austria
| | - Besnik Muqaku
- Faculty of Chemistry, Institute of Analytical Chemistry, University of Vienna, Währingerstr. 38, 1090, Vienna, Austria
| | - Alexander Haslberger
- Department of Nutritional Sciences, University of Vienna, UZA 2/2D541, Althanstrasse 14, 1090, Vienna, Austria
| | - Volker Auwärter
- Institute of Forensic Medicine, University Medical Center Freiburg, Albertstraße 9, 79104, Freiburg, Germany
| | - Christopher Gerner
- Faculty of Chemistry, Institute of Analytical Chemistry, University of Vienna, Währingerstr. 38, 1090, Vienna, Austria
| | - Siegfried Knasmüller
- Department of Internal Medicine 1, Comprehensive Cancer Center, Institute of Cancer Research, Medical University of Vienna, Borschkegasse 8A, 1090, Vienna, Austria.
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MATSUOKA HISASHI, KONDO KAZUYA, TAKIZAWA HIROMITSU, FUJINO HARUHIKO, SAKAMOTO ETSUKO, UCHIDA JUNJI, UYAMA KOH, TOBA HIROAKI, KENZAKI KOICHIRO, SAKIYAMA SHOJI, TANGOKU AKIRA. Comprehensive evaluation of the response of genes to the administration of the antitumor drug S-1 using a low density array. Int J Oncol 2014; 46:569-77. [DOI: 10.3892/ijo.2014.2754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Accepted: 10/09/2014] [Indexed: 11/06/2022] Open
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Association study between XPG Asp1104His polymorphism and colorectal cancer risk in a Chinese population. Sci Rep 2014; 4:6700. [PMID: 25332048 PMCID: PMC4204027 DOI: 10.1038/srep06700] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 10/02/2014] [Indexed: 12/11/2022] Open
Abstract
Previous studies have reported that the Asp1104His polymorphism in Xeroderma Pigmentosum complementation group G (XPG) was associated with the susceptibility to colorectal cancer (CRC), although the results were inconsistent. This study was aim to investigate whether there existed an association between XPG Asp1104His polymorphism and CRC risk in the Chinese population, and a further meta-analysis was performed to consolidate the results. We found that XPG Asp1104His polymorphism was associated with a significantly increased CRC risk (dominant model: His/His + Asp/His vs. Asp/Asp, adjusted OR = 1.39, 95% CI = 1.14–1.69). Stratification analysis by clinical characteristics indicated that the His/His + Asp/His genotypes were associated with increased CRC susceptibility in patients with moderately differentiated grade, but not in poorly and well differentiated grade. Furthermore, a total of 5 eligible studies, including 2,649 CRC cases and 2,848 controls, were recruited for the meta-analysis. We identified that the meta-analysis reported a similar result in dominant model (OR = 1.35; 95% CI = 1.20–1.51). Especially, when stratified by ethnicity, an evidently increased risk was identified in the Asian population. In conclusion, our findings suggest that XPG Asp1104His polymorphism may increase the susceptibility of CRC, especially in Asian populations.
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Multiple analytical approaches demonstrate a complex relationship of genetic and nongenetic factors with cisplatin- and carboplatin-induced nephrotoxicity in lung cancer patients. BIOMED RESEARCH INTERNATIONAL 2014; 2014:937429. [PMID: 25250341 PMCID: PMC4163485 DOI: 10.1155/2014/937429] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 07/09/2014] [Accepted: 07/17/2014] [Indexed: 01/05/2023]
Abstract
Background. Cisplatin and carboplatin cause nephrotoxicity by forming platinum-DNA adducts and lead to cell death. Methods. One-hundred and sixteen Taiwanese lung cancer patients who received cisplatin or carboplatin more than twice were recruited, and their genotypes were determined. The risk of renal dysfunction, injury to the kidney, failure of kidney function, loss of kidney function, and end-stage kidney disease (RIFLE) criteria were used to evaluate the occurrence of nephrotoxicity. A logistic regression, multiple regression with a classification and regression tree (CART), and the Framingham study risk score were used to analyze interactions between genetic and nongenetic factors in producing platinum-induced nephrotoxicity. Results. ERCC1 118C and TP53 72Arg polymorphisms were associated with increased risks of platinum-induced nephrotoxicity. Other risk factors found included the platinum type, baseline serum creatinine (Scr), coadministration of vinorelbine, and the number of chemotherapy cycles. The overall prediction rate of the CART was 82.7%, with a sensitivity of 0.630 and specificity of 0.896. The Framingham study risk prediction model contained 7 factors. Its prediction rate was 84.5%, with a sensitivity of 0.643 and specificity of 0.909. Conclusions. Genetic polymorphisms of ERCC1 and TP53 are risk factors for nephrotoxicity. The CART analysis may provide a clinically applicable model to predict the risk of cisplatin- and carboplatin-induced nephrotoxicity.
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Xu XM, Xie LC, Yuan LL, Hu XL, Jin JQ, Niu YM. Association of xeroderma pigmentosum complementation group G Asp1104His polymorphism with breast cancer risk: A cumulative meta-analysis. Mol Clin Oncol 2014; 2:1177-1181. [PMID: 25279219 DOI: 10.3892/mco.2014.384] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 08/01/2014] [Indexed: 11/05/2022] Open
Abstract
The xeroderma pigmentosum complementation group G (XPG) gene plays an important role in the DNA nucleotide excision repair (NER) pathway. Several studies have investigated the association between the XPG Asp1104His polymorphism and breast cancer; however, the results have been inconsistent. Therefore, we conducted a meta-analysis of 8 published articles (10 case-control studies) including a total of 5,235 patients with breast cancer and 5,685 healthy controls. The results demonstrated that the XPG Asp1104His polymorphism was not associated with breast cancer in the overall population [His vs. Asp, odds ratio (OR)=1.00, 95% confidence interval (CI): 0.91-1.08; His/His vs. Asp/Asp, OR=0.96, 95% CI: 0.83-1.11; Asp/His vs. Asp/Asp, OR=1.02, 95% CI: 0.94-1.11; His/His+Asp/His vs. Asp/Asp, OR=1.03, 95% CI: 0.92-1.15; and His/His vs. Asp/Asp+Asp/His, OR=0.93, 95% CI: 0.81-1.06]. In the subgroup analysis by ethnicity, no significant association was observed in European subjects. In conclusion, this meta-analysis suggested that the XPG Asp1104His polymorphism is not associated with breast cancer risk.
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Affiliation(s)
- Xiao-Ming Xu
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Long-Chuan Xie
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Ling-Ling Yuan
- Department of Pathology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Xiao-Li Hu
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jian-Qiang Jin
- Department of Pathology, The Fourth Affiliated Hospital of Soochow University, Wuxi, Jiangsu 214062, P.R. China
| | - Yu-Ming Niu
- Department of Stomatology, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China ; Center for Evidence-Based Medicine, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
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Comprehensive assessment of the association between XPD rs13181 polymorphism and lung cancer risk. Tumour Biol 2014; 35:8125-32. [PMID: 24845027 DOI: 10.1007/s13277-014-1948-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Accepted: 04/06/2014] [Indexed: 10/25/2022] Open
Abstract
Xeroderma pigmentosum group D (XPD) rs13181 may reduce DNA repair capacity (DRC) through modifying XPD protein product. Reduced DRC is reportedly related to an increase in the risk of lung cancer. To precisely estimate the association between XPD rs13181 and lung cancer risk, we carried out the current meta-analysis. We searched multiple databases (up to 31 October 2013) for studies investigating the association of XPD rs13181 and lung cancer. Odds ratio (OR) was estimated with the fixed effect model to assess the association. Heterogeneity between studies was measured using Q test. Subgroup analyses were conducted by ethnicity, histological type, and sample size. Meta-analysis of 30 studies suggested that individuals carrying Gln/Gln genotype were more likely than the individuals with Lys/Lys or Lys/Gln + Lys/Lys genotypes (homozygous model, OR 1.18, 95 % confidence interval (CI) 1.07-1.31; recessive model, OR 1.17, 95 % CI 1.06-1.29) to develop lung cancer, without any substantial heterogeneity. This significantly increased risk was also revealed in the individuals harboring Gln/Gln + Lys/Gln genotypes (dominant model, OR 1.07, 95 % CI 1.01-1.12). Further stratification by histological type, ethnicity, and sample size yielded statistically significant estimates in subgroup of Caucasian subjects, non-small cell lung cancer, and relatively large studies, but borderline association in Asians. Our analyses demonstrate that XPD rs13181 may be associated with an increase in the risk of lung cancer among Caucasian populations.
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Mei C, Hou M, Guo S, Hua F, Zheng D, Xu F, Jiang Y, Li L, Qiao Y, Fan Y, Zhou Q. Polymorphisms in DNA repair genes of XRCC1, XPA, XPC, XPD and associations with lung cancer risk in Chinese people. Thorac Cancer 2014; 5:232-42. [PMID: 26767006 DOI: 10.1111/1759-7714.12073] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Accepted: 09/01/2013] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The carcinogenic chemicals and reactive oxygen species in tobacco can result in DNA damage. DNA repair genes play an important role in maintaining genome integrity. Genetic polymorphisms of DNA repair genes and smoking may contribute to susceptibility of lung cancer. METHODS In this hospital-based case-control study, we investigated the relationship between 13 tagging single nucleotide polymorphisms (SNPs) in base excision repair pathway and nucleotide excision repair pathway genes, smoking, and lung cancer susceptibility. Thirteen tag SNPs were genotyped in 265 lung cancer patients and 301 healthy controls. Logistic regression and multifactor dimensionality reduction method were applied to explore the association and high-order gene-gene and gene-smoking interaction. RESULTS In single tag SNP analysis, XPA rs2808668, XPC rs2733533, and XPD rs1799787 were significantly associated with lung cancer susceptibility. Joint effects analysis of XPA rs2808668, XPC rs2733533 and XPD rs1799787 showed that there was an increased risk of lung cancer with increasing numbers of risk alleles. Haplotype analysis showed that XRCC1 (rs25487, rs1799782, rs3213334) GCC had a positive association with lung cancer. Analysis of gene-gene and gene-smoking interaction by multifactor dimensionality reduction showed that a positive interaction existed between the four genes and smoking. The two-factor model, including XPC rs2755333 and smoking, had the best prediction ability for lung cancer. Compared with the C/C genotype of XPC rs2733533 and no smoking, the combination of genotype A carriers with XPC rs2733533 and heavy smokers (≥30 pack-year) had a 13.32-fold risk of lung cancer. CONCLUSION Our results suggest multiple genetic variants in multiple DNA repair genes may jointly contribute to lung cancer risk through gene-gene and gene-smoking interactions.
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Affiliation(s)
- Chaorong Mei
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital Tianjin, China; Tibet Chengdu branch of West China Hospital, Sichuan University Changdu, China
| | - Mei Hou
- Cancer Center, West China Hospital, Sichuan University Chengdu, China
| | - Shanxian Guo
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital Tianjin, China
| | - Feng Hua
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital Tianjin, China
| | - Dejie Zheng
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital Tianjin, China
| | - Feng Xu
- Cancer Center, West China Hospital, Sichuan University Chengdu, China
| | - Yong Jiang
- Department of Cancer Epidemiology, Cancer Institute, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing, China
| | - Lu Li
- Cancer Center, West China Hospital, Sichuan University Chengdu, China
| | - Youlin Qiao
- Department of Cancer Epidemiology, Cancer Institute, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing, China
| | - Yaguang Fan
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital Tianjin, China
| | - Qinghua Zhou
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital Tianjin, China
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Chandirasekar R, Kumar BL, Sasikala K, Jayakumar R, Suresh K, Venkatesan R, Jacob R, Krishnapriya EK, Kavitha H, Ganesh GK. Assessment of genotoxic and molecular mechanisms of cancer risk in smoking and smokeless tobacco users. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2014; 767:21-7. [PMID: 24769293 DOI: 10.1016/j.mrgentox.2014.04.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2013] [Revised: 03/29/2014] [Accepted: 04/11/2014] [Indexed: 12/25/2022]
Abstract
Inexpensive forms of tobacco are widely used in developing countries such as India. We have evaluated genotoxicity endpoints (chromosome aberrations, micronucleus frequency, comet assay) and polymorphisms of the XRCC1 and p53 genes among smokers and smokeless tobacco (SLT) users in rural Tamilnadu, South India. Cytogenetic, DNA damage and SNP analyses were performed on peripheral blood samples; micronucleus frequency was measured in peripheral blood and buccal mucosa exfoliated cells. Both categories of tobacco users had elevated levels of genotoxic damage. SNP analysis of tobacco users revealed that 17% carry the XRCC1 gln399gln genotype and 19% carry the p53 pro72pro genotype. Both genotypes are associated with increased risk of cancer.
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Affiliation(s)
- R Chandirasekar
- Unit of Human Genetics, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamilnadu, India.
| | - B Lakshman Kumar
- Departments of Biotechnology and Zoology, Kongunadu Arts and Science College, Coimbatore 641 029, India
| | - K Sasikala
- Unit of Human Genetics, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamilnadu, India
| | - R Jayakumar
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - K Suresh
- Unit of Human Genetics, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamilnadu, India
| | - R Venkatesan
- Unit of Human Genetics, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamilnadu, India
| | - Raichel Jacob
- Unit of Human Genetics, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamilnadu, India
| | - E K Krishnapriya
- Unit of Human Genetics, Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamilnadu, India
| | - H Kavitha
- Departments of Biotechnology and Zoology, Kongunadu Arts and Science College, Coimbatore 641 029, India
| | - G Karthik Ganesh
- Department of Bioinformatics, Bharathiar University, Coimbatore 641 046, Tamilnadu, India
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Lu B, Li J, Gao Q, Yu W, Yang Q, Li X. Laryngeal cancer risk and common single nucleotide polymorphisms in nucleotide excision repair pathway genes ERCC1, ERCC2, ERCC3, ERCC4, ERCC5 and XPA. Gene 2014; 542:64-8. [PMID: 24582975 DOI: 10.1016/j.gene.2014.02.043] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Revised: 02/13/2014] [Accepted: 02/24/2014] [Indexed: 11/24/2022]
Abstract
Because the molecular mechanisms underlying the development of laryngeal cancer are not well understood, we conducted a case-control study to determine the association between eight common SNPs in NER pathway genes and risk of laryngeal cancer, and the association between genetic polymorphisms and environmental factors. A 1:1 matched case-control study of 176 cases and 176 controls was conducted. Laryngeal cancer cases were more likely to smoke and drink (all P values<0.05). Subjects with the ERCC1 rs11615 CC genotype and C allele had an increased risk of laryngeal cancer. Similarly, individuals with the ERCC5 rs17655 GG genotype and G allele had an increased risk of laryngeal cancer. Gene-gene interaction analysis showed that subjects carrying ERCC1 rs11615 C allele and XPG/ERCC5 rs17655 G allele had a greatly increased risk of breast cancer. Stratified analysis revealed that the interaction between polymorphisms of ERCC1 rs11615 and ERCC5 rs17655 and smoking on cancer risk was statistically significant, and ERCC1 rs11615 polymorphisms also had a significant interaction with drinking habit. In conclusion, our study suggests that ERCC1 rs11615 and ERCC5 rs17655 polymorphisms are associated with increased risk of laryngeal cancer, and that they confer more risk among smokers and drinkers.
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Affiliation(s)
- Baocai Lu
- Department of Otorhinolaryngology, The First AffiliatedHospital of Xinxiang Medical University, Weihui, China
| | - Jing Li
- Department of Otorhinolaryngology, The First AffiliatedHospital of Xinxiang Medical University, Weihui, China
| | - Qingzu Gao
- Department of Pathology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Wenfa Yu
- Department of Otorhinolaryngology, The First AffiliatedHospital of Xinxiang Medical University, Weihui, China.
| | - Qinghui Yang
- Oncology Department, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Xiaoyu Li
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Jining Medical University, Jining, China
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Li X, Xu J, Yang X, Wu Y, Cheng B, Chen D, Bai B. Association of single nucleotide polymorphisms of nucleotide excision repair genes with laryngeal cancer risk and interaction with cigarette smoking and alcohol drinking. Tumour Biol 2014; 35:4659-65. [PMID: 24563277 DOI: 10.1007/s13277-014-1610-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Accepted: 01/02/2014] [Indexed: 12/30/2022] Open
Abstract
We investigated the potential association of 12 single nucleotide polymorphisms (SNPs) of nucleotide excision repair (NER) genes with risk of laryngeal cancer. A ratio of 1:1 matched case-control study was conducted. Conditional regression analysis indicated that subjects with ERCC1 rs11615 CC and C allele had an increased risk of laryngeal cancer compared with the TT genotype. Individuals with the ERCC5 rs17655 GG and G allele had a moderately increased risk of laryngeal cancer when compared with the CC genotype. By stratified analysis, ERCC1 rs11615 CC genotype and C allele were significantly associated with greatly increased risk of laryngeal cancer in ever smokers. ERCC1 rs11615 and ERCC5 rs17655 polymorphisms were associated with a moderately increased risk of this cancer in ever drinkers. In summary, we suggest that genetic variations in ERCC1 rs11615 and ERCC5 rs17655 are associated with laryngeal cancer risk in a Chinese population, especially in ever smokers and drinkers. Our finding could be helpful in identifying people at high risk for the disease for early intervention.
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Affiliation(s)
- Xiaoyu Li
- Department of Otolaryngology Head and Neck Surgery, The Affiliated Hospital of Jining Medical University, Jining, 272029, China
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Association between ERCC2 Lys751Gln polymorphism and lung cancer risk: a meta-analysis involving 23,370 subjects. Twin Res Hum Genet 2014; 17:99-107. [PMID: 24556168 DOI: 10.1017/thg.2014.4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Recent studies report a correlation between excision repair cross-complementing group 2 (ERCC2) Lys751Gln polymorphism and an increased risk of lung cancer, but results are controversial and inconclusive. Thus, we conducted a comprehensive meta-analysis in order to assess the correlation between them. Our study uses an odds ratio (OR) with a 95% confidence interval (95% CI) to evaluate the strength of the association; we also performed Begg's funnel plot and the Egger's test to assess the publication bias of previous articles. Finally, our meta-analysis is comprised of 28 full studies, including 23,370 subjects (10,242 cases and 13,128 controls). Our overall research shows that ERCC2 Lys751Gln polymorphism carries an increased risk of developing lung cancer (C vs. A: OR = 1.160, 95% CI = 1.081-1.245, p = .000; CC vs. AA: OR = 1.252, 95% CI = 1.130-1.388, p = .000; CA vs. AA: OR = 1.152, 95% CI = 1.060-1.252, p = .001; CC+CA vs. AA: OR = 1.186, 95% CI = 1.089-1.292, p = .000; CC vs. CA+AA: OR = 1.196, 95% CI = 1.087-1.316, p = .000). In ethnic subgroup analyses, we find a significant risk among Caucasians (C vs. A: OR = 1.106, 95% CI = 1.048-1.166, p = .000; CC vs. AA: OR = 1.233, 95% CI = 1.103-1.378, p = .000; CC+CA vs. AA: OR = 1.113, 95% CI = 1.033-1.199, p = .005; CC vs. CA+AA: OR = 1.185, 95% CI = 1.069-1.313, p = .001) and among Asians under two genetic models (CA vs. AA: OR = 1.265, 95% CI = 1.034-1.549, p = .023; CC+CA vs. AA: OR = 1.252, 95% CI = 1.015-1.544, p = .036). These results were confirmed by similar findings, demonstrated by stratified analyses in study design and histological typing. This meta-analysis indicates that ERCC2 Lys751Gln polymorphism may lead to an increased susceptibility to lung cancer risk among Caucasians and Asians.
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Abstract
DNA damage response genes play vital roles in the maintenance of a healthy genome. Defects in cell cycle checkpoint and DNA repair genes, especially mutation or aberrant downregulation, are associated with a wide spectrum of human disease, including a predisposition to the development of neurodegenerative conditions and cancer. On the other hand, upregulation of DNA damage response and repair genes can also cause cancer, as well as increase resistance of cancer cells to DNA damaging therapy. In recent years, it has become evident that many of the genes involved in DNA damage repair have additional roles in tumorigenesis, most prominently by acting as transcriptional (co-)factors. Although defects in these genes are causally connected to tumor initiation, their role in tumor progression is more controversial and it seems to depend on tumor type. In some tumors like melanoma, cell cycle checkpoint/DNA repair gene upregulation is associated with tumor metastasis, whereas in a number of other cancers the opposite has been observed. Several genes that participate in the DNA damage response, such as RAD9, PARP1, BRCA1, ATM and TP53 have been associated with metastasis by a number of in vitro biochemical and cellular assays, by examining human tumor specimens by immunohistochemistry or by DNA genome-wide gene expression profiling. Many of these genes act as transcriptional effectors to regulate other genes implicated in the pathogenesis of cancer. Furthermore, they are aberrantly expressed in numerous human tumors and are causally related to tumorigenesis. However, whether the DNA damage repair function of these genes is required to promote metastasis or another activity is responsible (e.g., transcription control) has not been determined. Importantly, despite some compelling in vitro evidence, investigations are still needed to demonstrate the role of cell cycle checkpoint and DNA repair genes in regulating metastatic phenotypes in vivo.
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Affiliation(s)
- Constantinos G. Broustas
- Center for Radiological Research, Columbia University College of Physicians and Surgeons, New York, New York 10032
| | - Howard B. Lieberman
- Center for Radiological Research, Columbia University College of Physicians and Surgeons, New York, New York 10032
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York 10032
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Liu D, Wu D, Li H, Dong M. The effect of XPD/ERCC2 Lys751Gln polymorphism on acute leukemia risk: a systematic review and meta-analysis. Gene 2014; 538:209-16. [PMID: 24486506 DOI: 10.1016/j.gene.2014.01.049] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 01/06/2014] [Accepted: 01/14/2014] [Indexed: 11/24/2022]
Abstract
AIMS Epidemiological studies have assessed the association between xeroderma pigmentosum group D (XPD) Lys751Gln and acute leukemia risk with conflicting results. We performed this meta-analysis to derive a more precise estimation of the relationship. Pooled odds ratio (OR) with 95% confidence interval (95% CI) was used to assess the strength of the association. RESULTS Ten published case-control studies including a total of 1494 cases and 2259 controls were identified. Overall, significant risk effects of Lys751Gln genotype was found under the dominant model (OR=1.16; 95% CI=1.01-1.34; P=0.032). When stratified by clinical types, the variant genotype was associated with the acute myeloid leukemia (AML) risk under the heterozygote comparison (OR=1.20; 95% CI=1.00-1.43; P=0.048), the homozygote comparison (OR=1.35; 95% CI=1.05-1.74; P=0.019) and the dominant model (OR=1.23; 95% CI=1.04-1.45; P=0.015), respectively. Furthermore, significantly increased risks were also pronounced in Caucasian AML patients (the homozygote comparison: OR=1.38; 95% CI=1.07-1.78; P=0.013; the dominant model: OR=1.23; 95% CI=1.03-1.46; P=0.020; and the recessive model: OR=1.26; 95% CI=1.00-1.60; P=0.050). No evident heterogeneities were observed for the overall data under all genetic models. In addition, no statistical evidence for publication bias was found using the method of Begg's and Egger's tests. CONCLUSION This meta-analysis suggested that XPD Lys751Gln polymorphism might be a risk factor for AML and Caucasian acute leukemia patients.
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Affiliation(s)
- Duo Liu
- Department of pharmacy, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Dongyuan Wu
- Department of pharmacy, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Hongbin Li
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China
| | - Mei Dong
- Department of pharmacy, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China.
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Yuli Y, Zhe S, Xia W, Siqing L, Zhenxuan W, Yu-Hua Z, Bing S, Jun-Wei C. XPG is a novel biomarker of clinical outcome in advanced non-small-cell lung cancer. Pak J Med Sci 2013; 29:762-7. [PMID: 24353624 PMCID: PMC3809298 DOI: 10.12669/pjms.293.3664] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2012] [Revised: 01/03/2013] [Accepted: 04/02/2013] [Indexed: 12/28/2022] Open
Abstract
Objective: Polymorphisms in XPG were considered to contribute to the clinical outcome of patients receiving platinum drug chemotherapy. We investigated the impact of several potential SNPs of XPG on the efficacy of platinum-based chemotherapy in NSCLC patients. Methods: A total of 433 patients were consecutively selected between Nov. 2006 and Dec. 2007, and were followed-up up to Nov. 2011. The genotyping of six SNPs (rs2296147, rs751402, rs873601, rs4150375, rs17655 and rs2094258) were genotyped using the Taqman real-time PCR method with a 7900 HT sequence detector system. Results: Patients carrying CT+TT genotype of rs2296147 had a significantly longer median PFS (17.5 months) and OS (26.8 months) than CC genotype. Hazard ratio (HR) for PFS and OS in patients with CT+TT genotype of rs2296147 was respectively 0.73(0.51-0.97) and 0.66(0.48-0.99) when compare CC genotype, respectively. Similarly, patients with rs2094258 AG+GG genotype had a longer median progression time (18.4 months) and overall survival time (27.3 months) when compared with those with AA genotype, and HRs(95% CI) for PFS and OS were 0.44(0.34-0.78) and 0.51(0.39-0.82), respectively. Conclusions: Our study suggests rs2296147 CT+TT and rs2094258 AG+GG genotypes contribute to the better survival of NSCLC. Our study provides significant information on role of prognostic value of XPG SNPs, and detecting of XPG could be used as predictive markers toward individualizing NSCLC treatment strategies.
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Affiliation(s)
- Yi Yuli
- Yi Yuli, Nursing College of Nanchang University, Nanchang, China
| | - Sun Zhe
- Sun Zhe, Department of Oncology, the First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wang Xia
- WANG Xia, The Fourth Department of Tuberculosis, The First Affiliated Hospital, Xinxiang Medical College, Weihui, China
| | - Li Siqing
- LI Si-qing, The Second Department of Tuberculosis, The First Affiliated Hospital, Xinxiang Medical College, Weihui, China
| | - Wu Zhenxuan
- WU Zhen-xuan, The Fourth Department of Tuberculosis, The First Affiliated Hospital, Xinxiang Medical College, Weihui, China
| | - Zhu Yu-Hua
- ZHU Yu-hua, The Fourth Department of Tuberculosis, The First Affiliated Hospital, Xinxiang Medical College, Weihui, China
| | - Sun Bing
- Sun Bing, The Second Department of Tuberculosis, The First Affiliated Hospital, Xinxiang Medical College, Weihui, China
| | - Cui Jun-Wei
- Cui Jun-wei, The First Department of Tuberculosis, The First Affiliated Hospital, Xinxiang Medical College, Weihui, China
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Tan X, Wang Y, Shi L, Xian L, Guo J, Liang G, Chen M. Polymorphism of ERCC2 Asp312Asn with lung cancer risk: evidence from 20,101 subjects. Genet Test Mol Biomarkers 2013; 18:50-6. [PMID: 24083550 DOI: 10.1089/gtmb.2013.0296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The association between excision repair cross complementing group 2 (ERCC2) Asp312Asn polymorphism and lung cancer has been reported by many articles recently, but the results were controversial and inconclusive. Therefore, a meta-analysis was conducted to assess the relationship between them. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the strength of association. A total of 22 full studies with 20,101 subjects (8719 cases and 11,382 controls) were included in our research. The meta-analysis result showed that no significant association was found between ERCC2 Asp312Asn polymorphism and lung cancer in overall analysis (AA vs. GG, OR=1.023, 95% CI=0.824-1.270, p=0.838; AG vs. GG, OR=1.003, 95% CI=0.936-1.074, p=0.942; AA+AG vs. GG, OR=1.013, 95% CI=0.949-1.082, p=0.697; AA vs. AG+GG, OR=1.033, 95% CI=0.841-1.270, p=0.755). In subset analyses of stratified ethnicity, significantly increased risk was found among Asians (AA vs. GG, OR=3.212, 95% CI=1.518-6.795, p=0.002; AA vs. AG+GG, OR=3.174, 95% CI=1.500-6.712, p=0.003), whereas the association was not found among Caucasians under any genetic models. When analyses were conducted based on the study design, it indicated that the risk of lung cancer might be significantly increased in a hospital-based study (AA vs. GG, OR=1.323, 95% CI=1.096-1.596, p=0.004; AA+AG vs. GG, OR=1.109, 95% CI=1.000-1.229, p=0.050; AA vs. AG+GG, OR=1.285, 95% CI=1.076-1.535, p=0.006). In addition, a significantly increased risk for nonsmokers was detected under the dominant model (AA+AG vs. GG, OR=1.460, 95% CI=1.095-1.948, p=0.010). In conclusion, this meta-analysis suggested ERCC2 Asp312Asn polymorphism may increase the risk of lung cancer among Asians, whereas not among Caucasians.
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Affiliation(s)
- Xiang Tan
- 1 Department of Cardiothoracic Surgery, First Affiliated Hospital, Guangxi Medical University , Nanning, China
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45
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Coelho P, García-Lestón J, Costa S, Costa C, Silva S, Dall'Armi V, Zoffoli R, Bonassi S, de Lima JP, Gaspar JF, Pásaro E, Laffon B, Teixeira JP. Genotoxic effect of exposure to metal(loid)s. A molecular epidemiology survey of populations living and working in Panasqueira mine area, Portugal. ENVIRONMENT INTERNATIONAL 2013; 60:163-170. [PMID: 24036326 DOI: 10.1016/j.envint.2013.08.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2013] [Revised: 08/13/2013] [Accepted: 08/18/2013] [Indexed: 06/02/2023]
Abstract
Previous studies investigating the exposure to metal(loid)s of populations living in the Panasqueira mine area of central Portugal found a higher internal dose of elements such as arsenic, chromium, lead, manganese, molybdenum and zinc in exposed individuals. The aims of the present study were to evaluate the extent of genotoxic damage caused by environmental and occupational exposure in individuals previously tested for metal(loid) levels in different biological matrices, and the possible modulating role of genetic polymorphisms involved in metabolism and DNA repair. T-cell receptor mutation assay, comet assay, micronucleus (MN) test and chromosomal aberrations (CA) were performed in a group of 122 subjects working in the Panasqueira mine or living in the same region. The modifying effect of polymorphisms in GSTA2, GSTM1, GSTP1, GSTT1, XRCC1, APEX1, MPG, MUTYH, OGG1, PARP1, PARP4, ERCC1, ERCC4, and ERCC5 genes was investigated. Significant increases in the frequency of all biomarkers investigated were found in exposed groups, however those environmentally exposed were generally higher. Significant influences of polymorphisms were observed for GSTM1 deletion and OGG1 rs1052133 on CA frequencies, APEX1 rs1130409 on DNA damage, ERCC1 rs3212986 on DNA damage and CA frequency, and ERCC4 rs1800067 on MN and CA frequencies. Our results show that the metal(loid) contamination in the Panasqueira mine area induced genotoxic damage both in individuals working in the mine or living in the area. The observed effects are closely associated to the internal exposure dose, and are more evident in susceptible genotypes. The urgent intervention of authorities is required to protect exposed populations.
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Affiliation(s)
- Patrícia Coelho
- National Institute of Health, Environmental Health Department, Rua Alexandre Herculano n321, 4000-055 Porto, Portugal.
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Etemadi A, Islami F, Phillips DH, Godschalk R, Golozar A, Kamangar F, Malekshah AFT, Pourshams A, Elahi S, Ghojaghi F, Strickland PT, Taylor PR, Boffetta P, Abnet CC, Dawsey SM, Malekzadeh R, van Schooten FJ. Variation in PAH-related DNA adduct levels among non-smokers: the role of multiple genetic polymorphisms and nucleotide excision repair phenotype. Int J Cancer 2013; 132:2738-47. [PMID: 23175176 PMCID: PMC3597757 DOI: 10.1002/ijc.27953] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Accepted: 11/02/2012] [Indexed: 02/03/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) likely play a role in many cancers even in never-smokers. We tried to find a model to explain the relationship between variation in PAH-related DNA adduct levels among people with similar exposures, multiple genetic polymorphisms in genes related to metabolic and repair pathways, and nucleotide excision repair (NER) capacity. In 111 randomly selected female never-smokers from the Golestan Cohort Study in Iran, we evaluated 21 SNPs in 14 genes related to xenobiotic metabolism and 12 SNPs in eight DNA repair genes. NER capacity was evaluated by a modified comet assay, and aromatic DNA adduct levels were measured in blood by32P-postlabeling. Multivariable regression models were compared by Akaike's information criterion (AIC). Aromatic DNA adduct levels ranged between 1.7 and 18.6 per 10(8) nucleotides (mean: 5.8 ± 3.1). DNA adduct level was significantly lower in homozygotes for NAT2 slow alleles and ERCC5 non-risk-allele genotype, and was higher in the MPO homozygote risk-allele genotype. The sum of risk alleles in these genes significantly correlated with the log-adduct level (r = 0.4, p < 0.001). Compared with the environmental model, adding Phase I SNPs and NER capacity provided the best fit, and could explain 17% more of the variation in adduct levels. NER capacity was affected by polymorphisms in the MTHFR and ERCC1 genes. Female non-smokers in this population had PAH-related DNA adduct levels three to four times higher than smokers and occupationally-exposed groups in previous studies, with large inter-individual variation which could best be explained by a combination of Phase I genes and NER capacity.
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Affiliation(s)
- Arash Etemadi
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD 20852, USA.
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47
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Letkova L, Matakova T, Musak L, Sarlinova M, Krutakova M, Slovakova P, Kavcova E, Jakusova V, Janickova M, Drgova A, Berzinec P, Halasova E. DNA repair genes polymorphism and lung cancer risk with the emphasis to sex differences. Mol Biol Rep 2013; 40:5261-73. [PMID: 23673479 DOI: 10.1007/s11033-013-2626-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 04/30/2013] [Indexed: 12/31/2022]
Abstract
Polymorphisms in nucleotide and base excision repair genes are associated with the variability in the risk of developing lung cancer. In the present study, we investigated the polymorphisms of following selected DNA repair genes: XPC (Lys939Gln), XPD (Lys751Gln), hOGG1 (Ser326Cys) and XRCC1 (Arg399Gln), and the risks they present towards the development of lung cancer with the emphasis to gender differences within the Slovak population. We analyzed 761 individuals comprising 382 patients with diagnosed lung cancer and 379 healthy controls. Genotypes were determined by polymerase chain reaction/restriction fragment length polymorphism method. We found out statistically significant increased risk for lung cancer development between genders. Female carrying XPC Gln/Gln, XPC Lys/Gln+Gln/Gln and XRCC1 Arg/Gln, XRCC1 Arg/Gln+Gln/Gln genotypes had significantly increased risk of lung cancer corresponding to OR = 2.06; p = 0.04, OR = 1.66; p = 0.04 and OR = 1.62; p = 0.04, OR = 1.69; p = 0.02 respectively. In total, significantly increased risk of developing lung cancer was found in the following combinations of genotypes: XPD Lys/Gln+XPC Lys/Lys (OR = 1.62; p = 0.04), XRCC1 Gln/Gln+hOGG1 Ser/Ser (OR = 2.14; p = 0.02). After stratification for genders, the following combinations of genotype were found to be significant in male: XPD Lys/Gln+XPC Lys/Lys (OR = 1.87; p = 0.03), XRCC1 Arg/Gln+XPC Lys/Lys (OR = 4.52; p = 0.0007), XRCC1 Arg/Gln+XPC Lys/Gln (OR = 5.44; p < 0.0001). In female, different combinations of the following genotypes were found to be significant: XRCC1 Arg/Gln+hOGG1 Ser/Ser (OR = 1.98; p = 0.04), XRCC1 Gln/Gln+hOGG1 Ser/Ser (OR = 3.75; p = 0.02), XRCC1 Arg/Gln+XPC Lys/Gln (OR = 2.40; p = 0.04), XRCC1 Arg/Gln+XPC Gln/Gln (OR = 3.03; p = 0.04). We found out decreased cancer risk in genotype combinations between female patients and healthy controls: XPD Lys/Lys+XPC Lys/Gln (OR = 0.45; p = 0.02), XPD Lys/Gln+XPC Lys/Lys (OR = 0.32; p = 0.005), XPD Lys/Gln+XPC Lys/Gln (OR = 0.48; p = 0.02). Our results did not show any difference between pooled smokers and non-smokers in observed gene polymorphisms in the association to the lung cancer risk. However, gender stratification indicated the possible effect of heterozygous constitution of hOGG1 gene (Ser/Cys) on lung cancer risk in female non-smokers (OR = 0.20; p = 0.01) and heterozygous constitution of XPC gene (Lys/Gln) in male smokers (OR = 2.70; p = 0.01).
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Affiliation(s)
- L Letkova
- Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Mala Hora 4, 036 01, Martin, Slovak Republic.
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Wang M, Chu H, Zhang Z, Wei Q. Molecular epidemiology of DNA repair gene polymorphisms and head and neck cancer. J Biomed Res 2013; 27:179-92. [PMID: 23720673 PMCID: PMC3664724 DOI: 10.7555/jbr.27.20130034] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Accepted: 03/27/2013] [Indexed: 12/12/2022] Open
Abstract
Although tobacco and alcohol consumption are two common risk factors of head and neck cancer (HNC), other specific etiologic causes, such as viral infection and genetic susceptibility factors, remain to be understood. Human DNA is often damaged by numerous endogenous and exogenous mutagens or carcinogens, and genetic variants in interaction with environmental exposure to these agents may explain interindividual differences in HNC risk. Single nucleotide polymorphisms (SNPs) in genes involved in the DNA damage-repair response are reported to be risk factors for various cancer types, including HNC. Here, we reviewed epidemiological studies that have assessed the associations between HNC risk and SNPs in DNA repair genes involved in base-excision repair, nucleotide-excision repair, mismatch repair, double-strand break repair and direct reversion repair pathways. We found, however, that only a few SNPs in DNA repair genes were found to be associated with significantly increased or decreased risk of HNC, and, in most cases, the effects were moderate, depending upon locus-locus interactions among the risk SNPs in the pathways. We believe that, in the presence of exposure, additional pathway-based analyses of DNA repair genes derived from genome-wide association studies (GWASs) in HNC are needed.
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Affiliation(s)
- Meilin Wang
- Department of Genetic Toxicology, the Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China; ; Department of Environmental Genomics, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University, Nanjing, Jiangsu 211166, China
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Lu X, Liu Y, Yu T, Xiao S, Bao X, Pan L, Zhu G, Cai Y, Liu Q, Jin C, Yang J, Wu S, An L, van der Straaten T. ERCC1 and ERCC2 haplotype modulates induced BPDE-DNA adducts in primary cultured lymphocytes. PLoS One 2013; 8:e60006. [PMID: 23593158 PMCID: PMC3617188 DOI: 10.1371/journal.pone.0060006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Accepted: 02/22/2013] [Indexed: 11/18/2022] Open
Abstract
Background Benzo[a]pyrene(B[a]P), and its ultimate metabolite Benzo[a]pyrene 7,8-diol 9,10-epoxide (BPDE), are classic DNA damaging carcinogens. DNA damage caused by BPDE is normally repaired by Nucleotide Excision Repair (NER), of which ERCC1 and ERCC2/XPD exert an indispensable role. Genetic variations in ERCC1 and ERCC2 have been related to DNA repair efficiency. In this study we used lymphocytes from healthy individuals to show that polymorphisms in ERCC1 and ERCC2 are directly associated with decreased DNA repair efficiency. Methods ERCC1 (rs3212986 and rs11615) and ERCC2 (rs13181, rs1799793 and rs238406) were genotyped in 818 healthy Han individuals from the northeast of China. BPDE induced DNA adducts in lymphocytes were assessed by high performance liquid chromatography (HPLC) in 282 randomly selected participants. The effect of ERCC1 rs3212986 and ERCC2 rs238406 on DNA damage caused by B[a]P was assessed with a modified comet assay. Results We found that the variant genotypes of ERCC1 rs3212986 and ERCC2 rs238406 were associated with the high levels of BPDE-DNA adducts. Especially ERCC1 rs3212986 A-allele variant was significantly associated with the high BPDE-DNA adducts. Haplotype analysis showed that the ERCC1 haplotype AC (OR = 2.36, 95% CI = 1.84–2.97), ERCC2 haplotype AGA (OR = 1.51, 95% CI = 1.06–2.15) and haplotype block AGAAC (OR = 5.28, 95% CI = 2.95–9.43), AGCAC (OR = 1.35 95% CI = 1.13–1.60) were linked with high BPDE-DNA adducts. In addition, we found that the combined minor alleles of ERCC1 rs3212986 and ERCC2 rs238406 were associated with a reduced DNA repair capacity. Conclusions Our results suggest that the variant genotypes of ERCC1 rs3212986 and ERCC2 rs238406 are associated with decreased repair efficiency of BPDE induced DNA damage, and may be predictive for an individual’s DNA repair capacity in response to environmental carcinogens.
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Affiliation(s)
- Xiaobo Lu
- Department of Toxicology, School of Public Health, China Medical University, Shenyang, People's Republic of China.
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Staratschek-Jox A, Schultze JL. Re-overcoming barriers in translating biomarkers to clinical practice. ACTA ACUST UNITED AC 2013; 4:103-12. [PMID: 23484444 DOI: 10.1517/17530051003657647] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
IMPORTANCE OF THE FIELD Recently, there has been growing evidence for the concept of personalized medicine as the implementation of genomic and molecular information in the delivery of healthcare. In parallel, the identification of biomarkers has become of enormous significance as a prerequisite for individualized intervention regimens. AREAS COVERED IN THIS REVIEW Biomarkers are developed to improve prevention, diagnosis or therapeutic outcome of a given disease. Although each application reveals distinct developmental strategies, evidence-based approval of new biomarkers is important for the success of new drugs, diagnostic tests or recommendations in preventive medicine. Current hurdles to bringing biomarkers into clinical practice are reviewed, thereby focusing on adequate approaches to overcome these limitations in the future. WHAT THE READER WILL GAIN The reader will get an introduction to strategies resolving actual barriers in clinical biomarker development. TAKE HOME MESSAGE The identification of evidence-based biomarkers is crucial for the success of individualized therapeutic approaches. Developmental strategies have to be adapted to clinical need, thereby focusing on biomarker validation in clinical settings as well as on the establishment of standardized biomarker test systems for routine application. Consortia have been established bringing together representatives of government, academia and industry to improve future biomarker development.
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Affiliation(s)
- Andrea Staratschek-Jox
- University of Bonn, Genomics and Immunoregulation, LIMES (Life and Medical Sciences Bonn), Program Unit Molecular Immune and Cell Biology, Carl Troll Str. 31, D-53115 Bonn, Germany +49 228 73 62779 ; +49 228 73 62646 ;
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