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Association between XRCC3 p.Thr241Met polymorphism and risk of glioma: A systematic review and meta-analysis. PLoS One 2022; 17:e0276313. [PMID: 36264998 PMCID: PMC9584405 DOI: 10.1371/journal.pone.0276313] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 10/04/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The XRCC3 p.Thr241Met (rs861539) polymorphism has been extensively studied for its association with glioma risk, but results remain conflicting. Therefore, we performed a systematic review and meta-analysis to resolve this inconsistency. METHODS Studies published up to June 10, 2022, were searched in PubMed, Web of Science, Scopus, VIP, Wanfang, and China National Knowledge Infrastructure databases and screened for eligibility. Then, the combined odds ratio (OR) of the included studies was estimated based on five genetic models, i.e., homozygous (Met/Met vs. Thr/Thr), heterozygous (Thr/Met vs. Thr/Thr), dominant (Thr/Met + Met/Met vs. Thr/Thr), recessive (Met/Met vs. Thr/Thr + Thr/Met) and allele (Met vs. Thr). The study protocol was preregistered at PROSPERO (registration number: CRD42021235704). RESULTS Overall, our meta-analysis of 14 eligible studies involving 12,905 subjects showed that the p.Thr241Met polymorphism was significantly associated with increased glioma risk in both homozygous and recessive models (homozygous, OR = 1.381, 95% CI = 1.081-1.764, P = 0.010; recessive, OR = 1.305, 95% CI = 1.140-1.493, P<0.001). Subgroup analyses by ethnicity also revealed a statistically significant association under the two aforementioned genetic models, but only in the Asian population and not in Caucasians (P>0.05). CONCLUSION We demonstrated that the XRCC3 p.Thr241Met polymorphism is associated with an increased risk of glioma only in the homozygous and recessive models.
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Maleki Dana P, Sadoughi F, Mirzaei H, Asemi Z, Yousefi B. DNA damage response and repair in the development and treatment of brain tumors. Eur J Pharmacol 2022; 924:174957. [DOI: 10.1016/j.ejphar.2022.174957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 04/03/2022] [Accepted: 04/11/2022] [Indexed: 11/03/2022]
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Harder A. Do non-pathogenic variants of DNA mismatch repair genes modify neurofibroma load in neurofibromatosis type 1? Childs Nerv Syst 2022; 38:705-713. [PMID: 34997843 PMCID: PMC8940751 DOI: 10.1007/s00381-021-05436-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 12/13/2021] [Indexed: 01/07/2023]
Abstract
Non-pathogenic mismatch repair (MMR) gene variants can be associated with decreased MMR capacity in several settings. Due to an increased mutation rate, reduced MMR capacity leads to accumulation of somatic sequence changes in tumour suppressor genes such as in the neurofibromatosis type 1 (NF1) gene. Patients with autosomal dominant NF1 typically develop neurofibromas ranging from single to thousands. Concerning the number of neurofibromas NF1 patients face a situation that is still not predictable. A few studies suggested that germline non-pathogenic MMR gene variants modify the number of neurofibromas in NF1 and by this mechanism may promote the extent of neurofibroma manifestation. This review represents first evidence that specific non-pathogenic single nucleotide variants of MMR genes act as a modifier of neurofibroma manifestation in NF1, highlighting MSH2 re4987188 as the best analysed non-pathogenic variant so far. In summary, besides MSH2 promotor methylation, specific non-pathogenic germline MSH2 variants are associated with the extent of neurofibroma manifestation. Those variants can serve as a biomarker to facilitate better mentoring of NF1 patients at risk.
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Affiliation(s)
- Anja Harder
- Institute of Pathology, Medical Faculty, Martin Luther University Halle-Wittenberg, Halle (Saale), 06120, Germany.
- Institute of Neuropathology, University Hospital Münster, Münster, Germany.
- Faculty of Health Sciences, Joint Faculty, Potsdam, Germany.
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PARP1 rs1136410 (A/G) polymorphism is associated with early age of onset of gallbladder cancer. Eur J Cancer Prev 2021; 31:311-317. [PMID: 34406176 DOI: 10.1097/cej.0000000000000708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Evaluation of the association of PARP1 rs1136410 (A/G) polymorphism with gallbladder cancer susceptibility and its prognosis in the Indian population of eastern Uttar Pradesh and western Bihar. METHODS PARP1 rs1136410 was genotyped by PCR-RFLP and its association with the prognosis of gallbladder cancer patients were analyzed using Kaplan-Meier plot and log-rank tests. RESULTS Our results demonstrate that minor allele G is more frequent in gallbladder cancer patients than controls. The frequencies of minor allele G and GG genotype are significantly associated with increased risk of gallbladder cancer. Our data suggest that the minor allele G and homozygous genotype GG are significant predisposing factors for the early age of onset of gallbladder cancer. Similarly, women patients having AG and GG genotypes demonstrate an increased risk of gallbladder cancer. The risk group genotypes (AG + GG) are significantly more frequent in patients with thick gallbladder wall, with jaundice and with the presence of lymph node than in patients with normal gallbladder wall thickness, without jaundice and absence of lymph node involvement. Survival analysis data suggest that patients with risk group genotype (AG + GG) presenting jaundice have shorter overall survival. CONCLUSION Our study suggests that the minor allele G of PARP1 rs1136410 (A/G) is a predisposing factor for gallbladder carcinogenesis and is significantly associated with early onset of the disease. Interestingly, the minor allele G is significantly more frequent in the patients with jaundice, lymph node metastasis and gallbladder wall thickness.
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Yuan L, Hu WM, Chen K, Shi Q, Lin A, Chen HT, Zhuo ZJ, Zeng L. XPG gene polymorphisms and glioma susceptibility: a two-centre case-control study. Br J Biomed Sci 2021; 78:135-140. [PMID: 33393424 DOI: 10.1080/09674845.2020.1870308] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background: Glioma, the most common tumour in children next to leukaemia, is difficult to treat, with a poor prognosis and high recurrence rate. Xeroderma pigmentosum group G (XPG) plays a key role in the nucleotide excision repair pathway, which may modulate individual susceptibility to developing cancer. We hypothesized links between XPG variants and glioma in children.Methods: We tested our hypothesis in a study comparing 171 glioma cases with 228 age and sex matched controls, determining XPG polymorphisms rs2094258 C > T, rs751402 C > T, rs2296147 T > C, rs1047768 T > C, rs873601 G > A by standard molecular genetic methods.Results: rs2094258 C > T was associated with a decreased glioma risk, but carrying the rs1047768 C or rs873601 A allele brought an increased risk. Subjects carrying 5 risk genotypes had a significantly increased glioma risk at an adjusted odds ratio of 1.97 (95% confidence Interval 1.26-3.08)(p = 0.003) when compared with those carrying 0-4 risk genotypes. Furthermore, children with 5 risk genotypes had a higher glioma risk when aged >60 months, were more likely to be male, and with subtypes of astrocytic tumours, and low-grade clinical stage, when compared to those with 0-4 risk genotypes. Preliminary functional exploration suggested that rs2094258 is linked with the expression of its surrounding genes in the expression quantitative trait locus analysis.Conclusion: Certain variants of XPG are risk factors for paediatric glioma, and so may be useful in early diagnosis.
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Affiliation(s)
- L Yuan
- Department of Pathology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - W M Hu
- Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - K Chen
- Department of Pathology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Q Shi
- Department of Pathology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - A Lin
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - H T Chen
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Z J Zhuo
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - L Zeng
- Department of Pathology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
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Martinez-Perez R, Ung TH, Youssef AS. The 100 most-cited articles on vestibular schwannoma: historical perspectives, current limitations, and future research directions. Neurosurg Rev 2021; 44:2965-2975. [PMID: 33523339 DOI: 10.1007/s10143-021-01487-4] [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] [Received: 09/23/2020] [Revised: 01/04/2021] [Accepted: 01/25/2021] [Indexed: 12/19/2022]
Abstract
There has been a steady increase of vestibular schwannoma (VS) research in the body of literature. To delineate the most impactful works on VS, a bibliometric analysis is warranted. The Thomson Reuters Web of Sciences database was queried to identify all articles on VS published to June 2020. The articles were sorted in descending order of the number of citations. Titles and abstracts of the top 100 most-cited articles were screened to identify the research area, publication year, author, and country of publication. Our query yielded 6477 research publications. The 100 most-cited articles were cited 15804 times. The most productive decade was the 1990s (40% of the top 100 articles). Twenty-five journals contributed to all included articles. Journal of Neurosurgery contributed most of the articles (20%). Most common contributing country was the USA (60%). "Operative treatment" was the most common research topic (68%), followed by other aspects such as medical management (13%), epidemiology (12%), diagnosis (5%), or translational medicine (2%). The current analysis highlights the importance of the multimodal approach in the study and treatment of VS. While emphasizing the relevance of including highly cited articles in the current education of VS, our results point out the deficiency in certain research areas with high impact in other fields of neuro-oncology, such as translational medicine and molecular epigenetics.
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Affiliation(s)
- Rafael Martinez-Perez
- Departments of Neurosurgery, Anschutz Medical Campus, University of Colorado, Aurora, CO, USA. .,Department of Neurosurgery, University of Colorado School of Medicine, 1635 Aurora Ct, 4th floor, Aurora, CO, 80045, USA.
| | - Timothy H Ung
- Departments of Neurosurgery, Anschutz Medical Campus, University of Colorado, Aurora, CO, USA
| | - A Samy Youssef
- Departments of Neurosurgery, Anschutz Medical Campus, University of Colorado, Aurora, CO, USA. .,Department of Neurosurgery, University of Colorado School of Medicine, 1635 Aurora Ct, 4th floor, Aurora, CO, 80045, USA.
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Innis SM, Cabot B. GBAF, a small BAF sub-complex with big implications: a systematic review. Epigenetics Chromatin 2020; 13:48. [PMID: 33143733 PMCID: PMC7607862 DOI: 10.1186/s13072-020-00370-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 10/23/2020] [Indexed: 12/01/2022] Open
Abstract
ATP-dependent chromatin remodeling by histone-modifying enzymes and chromatin remodeling complexes is crucial for maintaining chromatin organization and facilitating gene transcription. In the SWI/SNF family of ATP-dependent chromatin remodelers, distinct complexes such as BAF, PBAF, GBAF, esBAF and npBAF/nBAF are of particular interest regarding their implications in cellular differentiation and development, as well as in various diseases. The recently identified BAF subcomplex GBAF is no exception to this, and information is emerging linking this complex and its components to crucial events in mammalian development. Furthermore, given the essential nature of many of its subunits in maintaining effective chromatin remodeling function, it comes as no surprise that aberrant expression of GBAF complex components is associated with disease development, including neurodevelopmental disorders and numerous malignancies. It becomes clear that building upon our knowledge of GBAF and BAF complex function will be essential for advancements in both mammalian reproductive applications and the development of more effective therapeutic interventions and strategies. Here, we review the roles of the SWI/SNF chromatin remodeling subcomplex GBAF and its subunits in mammalian development and disease.
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Affiliation(s)
- Sarah M Innis
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - Birgit Cabot
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA.
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DNA repair and cell synthesis proteins: immunohistochemical expression and correlation with recurrence-regrowth in meningiomas. J Mol Histol 2020; 51:411-420. [PMID: 32617895 DOI: 10.1007/s10735-020-09892-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 06/25/2020] [Indexed: 10/23/2022]
Abstract
Meningiomas are considered the second most common neoplasm of the central nervous system in adults. Most of them are benign with slow growth, frequent in women and with a high recurrence rate. In tumors, DNA error repair processes lose efficacy, providing mutagenesis and genomic instability. This work evaluated the expression of proteins involved in cell synthesis (cyclin D1) and DNA errors repair (MUTYH, XPF, XPG) in meningiomas, relating them to clinical, tumor and survival variables. The study included 85 patients, with a mean age of 52 ± 13.3 years and most of them women (2:1 ratio). Sixty-seven cases were grade I (79%). Grade II tumors were independent predictors of recurrence-regrowth (HR: 2.8; p = 0.038). The high expression of cyclin D1 was associated with grade II (p = 0.001) and low MUTYH expression with grade I (p = 0.04). Strong expression of XPF and XPG was associated with grade II (p = 0.002; p < 0.001) and with recurrence-regrowth (p = 0.04; p = 0.003). Strong XPF expression was significantly related to large tumors (p = 0.03). An association of cyclin D1, MUTYH and XPF were found. Survival was not associated with the expression of any of the proteins studied. To know the role of DNA repair proteins and cell synthesis is important for understanding the processes of origin and tumor development. Grade II meningiomas and strong expression of XPF and XPG were predictors of recurrence or regrowth and may assist in clinical management, considering the high recurrence of meningiomas and the absence of consensus regarding treatment.
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Zhang XY, Wei XH, Wang BJ, Yao J. The XRCC4rs1805377 polymorphism is not associated with the risk of cancer: An updated meta-analysis. J Int Med Res 2020; 48:300060520926364. [PMID: 32493081 PMCID: PMC7273771 DOI: 10.1177/0300060520926364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
ObjectivesA growing number of studies have reported that genes involved in the repair of DNA double-strand breaks might be cancer-susceptibility genes. The x-ray cross-complementing group 4 gene ( XRCC4) encodes a protein that functions in the repair of DNA double-strand breaks, and this meta-analysis aimed to investigate the relationship between the XRCC4 rs1805377 polymorphism and cancer occurrence.MethodsWe retrieved case–control studies that met the inclusion criteria from PubMed, Web of Science, Embase, and China National Knowledge Infrastructure databases. Associations between rs1805377 and cancer risk were evaluated by odds ratios (ORs) using a random effects model and 95% confidence intervals (CIs) as well as sensitivity and subgroup analyses.ResultsAfter inclusion criteria were met, the meta-analysis involved 24 studies that included 9,633 cancer patients and 10,544 healthy controls. No significant association was found between rs1805377 and the risk of cancer (pooled OR = 1.107; 95% CI = 0.955–1.284) in the dominant genetic model. Similarly, no significant association was observed in the subgroup analysis.ConclusionsThrough this meta-analysis, we found no association between the rs1805377 polymorphism and cancer occurrence. This may provide useful information for relevant future studies into the etiology of cancer.
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Affiliation(s)
- Xin-yuan Zhang
- School of Forensic Medicine, China Medical University, Shenyang, Liaoning Province, P. R. China
| | - Xiao-han Wei
- School of Forensic Medicine, China Medical University, Shenyang, Liaoning Province, P. R. China
| | - Bao-jie Wang
- School of Forensic Medicine, China Medical University, Shenyang, Liaoning Province, P. R. China
| | - Jun Yao
- School of Forensic Medicine, China Medical University, Shenyang, Liaoning Province, P. R. China
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Han F, Zhang L, Chen C, Wang Y, Zhang Y, Qian L, Sun W, Zhou D, Yang B, Zhang H, Lai M. GLTSCR1 Negatively Regulates BRD4-Dependent Transcription Elongation and Inhibits CRC Metastasis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1901114. [PMID: 31832310 PMCID: PMC6891902 DOI: 10.1002/advs.201901114] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 09/30/2019] [Indexed: 05/08/2023]
Abstract
Frameshift mutations frequently occur in colorectal cancer (CRC) with microsatellite instability (MSI), but the nature and biological function of many MSI-associated mutations remain elusive. Here, an MSI frameshift mutation is identified in glioma tumor suppressor candidate region gene 1 (GLTSCR1) that produces two C-terminal-truncated proteins. Additionally, GLTSCR1 is verified as a tumor suppressor that inhibits CRC metastasis. Through binding to bromodomains and the phosphorylation-dependent interaction domain of bromodomain protein 4 (BRD4) via the C-terminus, GLTSCR1 blocks oncogenic transcriptional elongation. However, truncated GLTSCR1 translocates into the cytoplasm and loses BRD4 binding domain, which induces the phosphorylation of RNA Pol II at Ser2 and dephosphorylation at Ser5, then increases oncogenic transcriptional elongation. Importantly, GLTSCR1 deficiency decreases sensitivity to bromodomain and extra terminal domain inhibitors. This study highlights the molecular mechanism of the GLTSCR1-BRD4 interaction, which is a potential therapeutic target for CRC.
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Affiliation(s)
- Fengyan Han
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Lei Zhang
- Department of PharmacologyChina Pharmaceutical UniversityNanjing210009China
| | - Chaoyi Chen
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Yan Wang
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Yi Zhang
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Lili Qian
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Wenjie Sun
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Dan Zhou
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Beibei Yang
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Honghe Zhang
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
| | - Maode Lai
- Department of PathologyKey Laboratory of Disease Proteomics of Zhejiang ProvinceResearch unit of intelligence classification of tumor pathology and precision therapy Chinese Academy of Medical Sciences (2019RU042)School of MedicineZhejiang UniversityHangzhou310058China
- Department of PharmacologyChina Pharmaceutical UniversityNanjing210009China
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Lu X, Chen F, Liu X, Yuan D, Zi Y, He X, Zhu D. Detection and clinical significance of DNA repair gene ERCC8 tag SNPs in gastric cancer. TURKISH JOURNAL OF GASTROENTEROLOGY 2019; 29:392-396. [PMID: 30249552 DOI: 10.5152/tjg.2018.17662] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND/AIMS Excision repair cross-complementing group 8 (ERCC8) is one of the members of the nucleotide excision repair pathway. This study aimed to explore the association between ERCC8 tag single nucleotide polymorphisms (SNPs) and gastric cancer. MATERIALS AND METHODS Totally, 120 patients with gastric cancer treated from March 2010 to March 2011 were selected as the observation group and 120 healthy individuals were selected as the control group during the same period. The Sequenom MassARRAY system was used to identify genotypes in these samples. The genetic locus of ERCC8 tag SNPs and the relevance of gastric cancer risk to the different ERCC8 genotypes alone or in combination with Helicobacter pylori infection were observed and analyzed. The AA, GA, and GG genotypes on rs158572 and rs158916 in the observation and control groups were compared. RESULTS The results showed that the odds ratio of the different ERCC8 rs158572 and rs158916 genotypes was not significantly increased in the observation group compared with that in the control group. By contrast, in patients with H. pylori infection, the ERCC8 rs158572 GA/GG and rs158916 TT genotypes showed a 7.921-fold and 8.021-fold [95% confidence interval (CI)=4.022-15.921, p=0.029 and 95% CI=3.021-15.092, p=0.021, respectively] increased risk of gastric cancer than the AA and CT/CC genotypes, respectively. CONCLUSION Helicobacter pylori infection combined with ERCC8 rs158572 and rs158916 can be used as a predictive index of gastric cancer occurrence.
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Affiliation(s)
- Xingre Lu
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
| | - Fengyu Chen
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
| | - Xiaowen Liu
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
| | - Diao Yuan
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
| | - Yunju Zi
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
| | - Xiang He
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
| | - Deyong Zhu
- Department of Clinical Laboratory, The People's Hospital of Wenshan Prefecture, Yunnan, China
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The potential role of MGMT rs12917 polymorphism in cancer risk: an updated pooling analysis with 21010 cases and 34018 controls. Biosci Rep 2018; 38:BSR20180942. [PMID: 30232235 PMCID: PMC6435461 DOI: 10.1042/bsr20180942] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 09/12/2018] [Accepted: 09/14/2018] [Indexed: 02/06/2023] Open
Abstract
In the present study, we aimed at determining the potential role of rs12917 polymorphism of the O-6-methylguanine-DNA methyltransferase (MGMT) gene in the occurrence of cancer. Based on the available data from the online database, we performed an updated meta-analysis. We retrieved 537 articles from our database research and finally selected a total of 54 case–control studies (21010 cases and 34018 controls) for a series of pooling analyses. We observed an enhanced risk in cancer cases compared with controls, using the genetic models T/T compared with C/C (P-value of association test <0.001; odds ratio (OR) = 1.29) and T/T compared with C/C+C/T (P<0.001; OR = 1.32). We detected similar positive results in the subgroups ‘Caucasian’, and ‘glioma’ (all P<0.05; OR > 1). However, we detected negative results in our analyses of most of the other subgroups (P>0.05). Begg’s and Egger’s tests indicated that the results were free of potential publication bias, and sensitivity analysis suggested the stability of the pooling results. In summary, the T/T genotype of MGMT rs12917 is likely to be linked to an enhanced susceptibility to cancer overall, especially glioma, in the Caucasian population.
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Bashir K, Sarwar R, Saeed S, Mahjabeen I, Kayani MA. Interaction among susceptibility genotypes of PARP1 SNPs in thyroid carcinoma. PLoS One 2018; 13:e0199007. [PMID: 30183716 PMCID: PMC6124699 DOI: 10.1371/journal.pone.0199007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 04/16/2018] [Indexed: 01/21/2023] Open
Abstract
Polymorphisms in DNA repair genes may alter the repair mechanism which makes the person susceptible to DNA damage. Polymorphic variants in these DNA repair pathway genes such as Poly (ADP-ribose) polymerase- 1 (PARP1) have been associated with susceptibility of several types of cancer including thyroid. Many studies have been published on PARP1 gene polymorphisms and carcinogenesis with inconsistent results. The present study was designed to explore the link between the PARP1 polymorphisms and thyroid cancer risk. This case-control study was comprised of 456 thyroid cancer patients and 400 healthy controls. Three SNPs of PARP1 gene; rs1136410, rs1805414 and rs1805404 were analyzed using ARMS-PCR. The combined genotype and haplotype analysis were performed using haploview software 4.2. Major allele homozygote (CC) of rs1136410 and combined genotype (TT+TC) of rs180414 showed a significant association with thyroid cancer risk (OR = 1.30; 95% CI 0.99–1.77; P = 0.05) and (OR = 0.43; 95% CI = 0.27–0.67; P = 0.03). Histological subtype analysis showed the significant association of selected PARP1 SNPs with papillary, follicular and anaplastic subtypes in thyroid cancer patients. Haplotype analysis showed that TCT (p = 0.01), CTT (p = 0.02) and CTC (p = 0.03) were significantly higher in controls when compared to cases. However, TTC (p = 0.05) and TCC (p = 0.01) haplotype frequency was significantly higher in cases compared to controls. Global haplotype analysis showed that there was an overall significant difference between cases and controls (p = 0.001). Identification of these genetic risk markers may provide evidence for exploring insight into mechanisms of pathogenesis and subsequently aid in developing novel therapeutic strategies for thyroid cancer.
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Affiliation(s)
- Kashif Bashir
- Department of Biosciences, COMSATS Institute of Information and Technology, Islamabad, Pakistan
| | - Romana Sarwar
- Department of Biosciences, COMSATS Institute of Information and Technology, Islamabad, Pakistan
| | - Soma Saeed
- Department of Biosciences, COMSATS Institute of Information and Technology, Islamabad, Pakistan
| | - Ishrat Mahjabeen
- Department of Biosciences, COMSATS Institute of Information and Technology, Islamabad, Pakistan
| | - Mahmood Akhtar Kayani
- Department of Biosciences, COMSATS Institute of Information and Technology, Islamabad, Pakistan
- * E-mail:
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Yin JY, Ma YG, Vogel U, Liu DH, Sun ZX. GLTSCR1, ATM, PPP1R13L and CD3EAP Genetic Variants and Lung Cancer Risk in a Chinese Population. Curr Med Sci 2018; 38:734-740. [PMID: 30128886 DOI: 10.1007/s11596-018-1938-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 04/10/2018] [Indexed: 10/28/2022]
Abstract
Genetic variants in glioma tumor suppressor candidate region gene 1 (GLTSCR1) and ATM serine/threonine kinase (ATM) have been associated with various cancer risks. Epidemiological studies also revealed the association of variants of GLTSCR1 and ATM genes with different brain tumors. However, little is known about the relationship between both gene polymorphisms and lung cancer risk. We conducted a Chinese hospital-based casecontrol study involving 384 lung cancer cases and 387 cancer-free controls. No significant differences in the single polymorphism (GLTSCR1 rs1035938 and ATM rs11212592) association were found in five genetic models (co-dominant, dominant, recessive, overdominant and log-additive models) (adjusted by smoking duration). Join effect of three SNPs (PPP1R13L rs1970764, CD3EAP rs967591, GLTSCR1 rs1035938) on chromosome 19q13.3 showed that the designated haplotype8 (rs 1970764G-rs967591A-rs1035938C) [OR (95% CI)=1.60(1.11-2.32), P/0.012] andhaplotype8 (rs1970764G-rs967591G-rs1035938T) [OR (95% CI)=2.45 (1.17-5.12), P=0.018] were associated with increased risk of lung cancer (adjusted by smoking duration). The analysis of multifactor dimensionality reduction revealed that two 3-way models were the best fit models in analyses of 2 loci (P<0.001) or 4 loci (Р=0.015-0.016). The entropy-based analysis indicated the strongest synergistic effect between PPP1R13L rs1970764 and ATM rs11212592 in analysis of four genes. In conclusion, our study suggests that haplotypes consisting of PPP1R13L rs1970764-CD3EAP rs961591-GLTSCR1 rs1035938 on Chr19q13.3, interaction of smoking and GLTSCR1 rs1035938-ATM rs11212592, and synergistic action of PPP1R13L rs1970764 and ATM rs11212592 may associate with lung cancer risk in the Chinese population.
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Affiliation(s)
- Jiao-Yang Yin
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, China.
| | - Ye-Gang Ma
- Department of Thoracic Surgery, Liaoning Cancer Hospital, Shenyang, 110042, China
| | - Ulla Vogel
- National Research Centre for the Working Environment, Copenhagen, DK-2100, Denmark
| | - Dong-Hui Liu
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, China
| | - Zhen-Xiang Sun
- Key Laboratory of Environment and Population Health of Liaoning Education Ministry (Shenyang Medical College), Shenyang, 110034, China
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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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Common Genetic Variants of MUTYH are not Associated with Cutaneous Malignant Melanoma: Application of Molecular Screening by Means of High-Resolution Melting Technique in a Pilot Case-Control Study. Int J Biol Markers 2018; 26:37-42. [DOI: 10.5301/jbm.2011.6285] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2010] [Indexed: 01/09/2023]
Abstract
MUTYH glycosylase recognizes the 8-oxoG:A mismatch and is able to excise the adenine base using proofreading mechanisms. Some papers have reported a strong association between cancer development or aggressiveness and MUTYH gene mutations. The aim of this study was to find a possible association between the most frequent MUTYH mutations and melanoma in the context of a case-control pilot study. One hundred ninety-five melanoma patients and 195 healthy controls were matched for sex and age. Clinical and laboratory data were collected in a specific database and all individuals were analyzed for MUTYH mutations by high-resolution melting and direct sequencing techniques. Men and women had significantly different distributions of tumor sites and phototypes. No significant associations were observed between the Y165C, G382D and V479F MUTYH mutations and risk of melanoma development or aggressiveness. Our preliminary findings therefore do not confirm a role for MUTYH gene mutations in the melanoma risk. Further studies are necessary for the assessment of MUTYH not only in melanoma but also other cancer types with the same embryonic origin, in the context of larger arrays studies of genes involved in DNA stability or integrity.
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Baldi I, Engelhardt J, Bonnet C, Bauchet L, Berteaud E, Grüber A, Loiseau H. Epidemiology of meningiomas. Neurochirurgie 2018; 64:5-14. [DOI: 10.1016/j.neuchi.2014.05.006] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 05/15/2014] [Accepted: 07/24/2014] [Indexed: 12/15/2022]
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Pećina-Šlaus N, Kafka A, Bukovac A, Vladušić T, Tomas D, Hrašćan R. Genetic changes of MLH1 and MSH2 genes could explain constant findings on microsatellite instability in intracranial meningioma. Tumour Biol 2017; 39:1010428317705791. [PMID: 28705114 DOI: 10.1177/1010428317705791] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Postreplicative mismatch repair safeguards the stability of our genome. The defects in its functioning will give rise to microsatellite instability. In this study, 50 meningiomas were investigated for microsatellite instability. Two major mismatch repair genes, MLH1 and MSH2, were analyzed using microsatellite markers D1S1611 and BAT26 amplified by polymerase chain reaction and visualized by gel electrophoresis on high-resolution gels. Furthermore, genes DVL3 (D3S1262), AXIN1 (D16S3399), and CDH1 (D16S752) were also investigated for microsatellite instability. Our study revealed constant presence of microsatellite instability in meningioma patients when compared to their autologous blood DNA. Altogether 38% of meningiomas showed microsatellite instability at one microsatellite locus, 16% on two, and 13.3% on three loci. The percent of detected microsatellite instability for MSH2 gene was 14%, and for MLH1, it was 26%, for DVL3 22.9%, for AXIN1 17.8%, and for CDH1 8.3%. Since markers also allowed for the detection of loss of heterozygosity, gross deletions of MLH1 gene were found in 24% of meningiomas. Genetic changes between MLH1 and MSH2 were significantly positively correlated (p = 0.032). We also noted a positive correlation between genetic changes of MSH2 and DVL3 genes (p = 0.034). No significant associations were observed when MLH1 or MSH2 was tested against specific histopathological meningioma subtype or World Health Organization grade. However, genetic changes in DVL3 were strongly associated with anaplastic histology of meningioma (χ2 = 9.14; p = 0.01). Our study contributes to better understanding of the genetic profile of human intracranial meningiomas and suggests that meningiomas harbor defective cellular DNA mismatch repair mechanisms.
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Affiliation(s)
- Nives Pećina-Šlaus
- 1 Laboratory of Neurooncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Zagreb, Croatia.,2 Department of Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Anja Kafka
- 1 Laboratory of Neurooncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Zagreb, Croatia.,2 Department of Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Anja Bukovac
- 1 Laboratory of Neurooncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Zagreb, Croatia.,2 Department of Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Tomislav Vladušić
- 3 Department of Biochemical Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
| | - Davor Tomas
- 4 Department of Pathology, School of Medicine, University of Zagreb, Zagreb, Croatia.,5 University Hospital "Sisters of Charity," Zagreb, Croatia
| | - Reno Hrašćan
- 3 Department of Biochemical Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
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Qian T, Zhang B, Qian C, He Y, Li Y. Association between common polymorphisms in ERCC gene and glioma risk: A meta-analysis of 15 studies. Medicine (Baltimore) 2017; 96:e6832. [PMID: 28514298 PMCID: PMC5440135 DOI: 10.1097/md.0000000000006832] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND A number of studies have investigated the roles of excision repair cross complementation group 1 (ERCC1), ERCC2, and ERCC5 genes polymorphisms in the development of glioma; however, the results were inconsistent. Here, we performed a meta-analysis to investigate the association between 6 polymorphisms in the ERCC genes (rs3212986, rs11615, rs13181, rs1799793, rs238406, rs17655) and glioma risk. METHODS The PubMed, Embase, and Web of science were searched up to September 6, 2016, for studies on the association between ERCC polymorphisms and glioma risk. A fixed-effects or random-effects model was used to calculate the pooled odds ratios based on the results from the heterogeneity tests. Sensitivity and cumulative meta-analyses were also performed. RESULTS A total of 15 studies were eligible for the pooled analysis, conducted in 2 populations of ethnic descent: 8 Europeans and 7 Asians. The results showed that ERCC1 rs3212986 polymorphism was positively associated with glioma [AA vs CC: odds ratio (OR) = 1.298, 95% confidence interval (95% CI) = 1.043-1.230, P = .025]. Association of the ERCC2 rs13181 and rs1799793 polymorphisms was only observed in Asians (CC vs AA for rs13181: OR = 1.539, 95% CI = 1.122-2.109, P = .007; AA vs GG for rs1799793: OR = 1.474, 95% CI = 1.090-1.994, P = .012). However, no association was observed between glioma risk and ERCC1 rs11615, ERCC2 rs238406, and ERCC5 rs17655 polymorphisms. Moreover, sensitivity and cumulative meta-analyses confirmed the stability of the results. CONCLUSIONS Our meta-analysis indicated that the ERCC1 rs3212986 polymorphism and 2 polymorphisms in ERCC2 gene (rs13181 and rs1799793) contributed to the susceptibility of glioma.
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20
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XRCC1 Arg399Gln Gene Polymorphism and Hepatocellular Carcinoma Risk in the Italian Population. Int J Biol Markers 2017; 32:e190-e194. [DOI: 10.5301/jbm.5000241] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2016] [Indexed: 01/29/2023]
Abstract
Background The human X-ray repair cross-complementing protein 1 ( XRCC1) gene encodes for one of the major repair factors involved in base excision repair (BER), which is reported to be associated with the risk of several cancers. A few studies have explored the association between risk of hepatocellular carcinoma (HCC) and single-nucleotide polymorphisms (SNPs) in different DNA repair genes, with contradictory results. The purpose of this study was to evaluate the association between XRCC1 Arg399Gln polymorphism and susceptibility to HCC. Methods A total of 89 HCC patients and 99 randomly selected healthy controls were enrolled. Genotyping of XRCC1 rs25487 was performed by high-resolution melting analysis and Sanger sequencing. Results On univariate analysis, a statistically significant association was found between risk of HCC and XRCC1 399Arg/Gln genotype (odd ratio [OR] = 1.88; 95% CI, 1.04-3.43), which was confirmed after adjusting by sex (OR = 1.94; 95% CI, 1.04-3.63). Although not significant, Kaplan-Meier analysis showed a decreased median survival in Arg/Gln genotype carriers in comparison with Arg/Arg carriers. Conclusions To our knowledge, this is the first study reporting an association between BER SNP and HCC risk in a population of central-southern Italy.
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Zhang M, Li W, Hao Z, Zhou J, Zhang L, Liang C. Association Between Twelve Polymorphisms in Five X-ray Repair Cross-complementing Genes and the Risk of Urological Neoplasms: A Systematic Review and Meta-Analysis. EBioMedicine 2017; 18:94-108. [PMID: 28330811 PMCID: PMC5405151 DOI: 10.1016/j.ebiom.2017.03.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 03/07/2017] [Accepted: 03/07/2017] [Indexed: 01/03/2023] Open
Abstract
Polymorphisms in X-ray repair cross-complementing (XRCC) genes have been implicated in altering the risk of various urological cancers. However, the results of reported studies are controversial. To ascertain whether polymorphisms in XRCC genes are associated with the risk of urological neoplasms, we conducted present updated meta-analysis and systematic review. Summary odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were used to estimate the association. Finally, 54 publications comprising 129 case-control studies for twelve polymorphisms in five XRCC genes were enrolled. We identified that XRCC1-rs25489 polymorphism was associated with an increased risk of urological neoplasms in heterozygote and dominant models. Moreover, in the subgroup analysis by cancer type, we found that XRCC1-rs25489 polymorphism was associated with an increased risk of bladder cancer (BC) in heterozygote model. Although overall analyses suggested a null result for XRCC1-rs25487 polymorphism, in the stratified analysis by ethnicity, an increased risk of urological neoplasms for Asians in allelic and homozygote models was identified. While for other polymorphisms in XRCC genes, no significant association was uncovered. To sum up, our results indicated that XRCC1-rs25489 polymorphism is a risk factor for urological neoplasms, particularly for BC. Further studies with large sample size are needed to validate these findings.
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Affiliation(s)
- Meng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Institute of Urology, Anhui Medical University, Hefei, China; Graduate School of Anhui Medical University, Hefei, China
| | - Wanzhen Li
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Institute of Urology, Anhui Medical University, Hefei, China; Graduate School of Anhui Medical University, Hefei, China
| | - Zongyao Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Institute of Urology, Anhui Medical University, Hefei, China; Graduate School of Anhui Medical University, Hefei, China
| | - Jun Zhou
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Institute of Urology, Anhui Medical University, Hefei, China; Graduate School of Anhui Medical University, Hefei, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Institute of Urology, Anhui Medical University, Hefei, China; Graduate School of Anhui Medical University, Hefei, China.
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Institute of Urology, Anhui Medical University, Hefei, China; Graduate School of Anhui Medical University, Hefei, China.
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Reappraisal of XRCC1 Arg194Trp polymorphism and glioma risk: a cumulative meta-analysis. Oncotarget 2017; 8:21599-21608. [PMID: 28423490 PMCID: PMC5400609 DOI: 10.18632/oncotarget.15376] [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: 12/08/2016] [Accepted: 01/11/2017] [Indexed: 12/18/2022] Open
Abstract
The association between XRCC1 Arg194Trp polymorphism and glioma risk were inconsistent from published meta-analyses and epidemiological studies. Hence, we performed this updated and cumulative meta-analysis to reappraisal this relationship. PubMed, Embase, CBM (Chinese Biomedical Database), and CNKI (China National Knowledge Internet) databases were comprehensively searched up to August 13, 2016 (updated on December 22, 2016). After study selection and data extraction from eligible studies, the association was evaluated by odds ratios (ORs) and its 95% confidence intervals (95%CIs) using Comprehensive Meta-Analysis software. Finally 16 case-control studies involving 7011 patients and 9519 healthy controls were yielded. The results indicated that XRCC1 Arg194Trp polymorphism was significantly correlated with the increased risk of glioma [Trp vs. Arg: OR = 1.18(1.05-1.34); TrpTrp vs. ArgArg: OR = 1.66(1.31-2.12); ArgTrp vs. ArgArg: OR = 1.34(1.02-1.77); TrpTrp vs. ArgArg+ArgTrp: OR = 1.47(1.26-1.72); TrpTrp+ArgTrp vs. ArgArg: OR = 1.17(1.01-1.35)]. Cumulative analysis showed the results changed from non-significant to significant when new studies accumulated, and sensitivity analysis indicated the results were stable. Subgroup analysis showed the significant association existed in Asians but not in Caucasians. Current evidence indicated that XRCC1 Arg194Trp polymorphism was associated with increased risk for glioma, especially in Asians; however, relevant studies involving other ethnic groups are required to validate our findings in further.
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Han XY, Wang W, Wang LL, Wang XR, Li G. Genetic variants and increased risk of meningioma: an updated meta-analysis. Onco Targets Ther 2017; 10:1875-1888. [PMID: 28405167 PMCID: PMC5378443 DOI: 10.2147/ott.s130147] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
PURPOSE Various genetic variants have been reported to be linked to an increased risk of meningioma. However, no confirmed conclusion has been obtained. The purpose of the study was to investigate potential meningioma-associated gene polymorphisms, based on published evidence. MATERIALS AND METHODS An updated meta-analysis was performed in September 2016. After electronic database searching and study screening, we selected eligible case-control studies and extracted data for meta-analysis, using Mantel-Haenszel statistics. P-values, pooled odds ratios (ORs), and 95% confidence intervals were calculated. RESULTS We finally selected eight genes with ten polymorphisms: MLLT10 rs12770228, CASP8 rs1045485, XRCC1 rs1799782, rs25487, MTHFR rs1801133, rs1801131, MTRR rs1801394, MTR rs1805087, GSTM1 null/present, and GSTT1 null/present. Results of meta-analyses showed that there was increased meningioma risk in case groups under all models of MLLT10 rs12770228 (all OR >1, P<0.001), compared with control groups. Similar results were observed under the allele, homozygote, dominant, and recessive models of MTRR rs1801394 (all OR >1, P<0.05), and the heterozygote and dominant models of MTHFR rs1801131 in the Caucasian population (all OR >1, P<0.05). However, no significantly increased meningioma risks were observed for CASP8 rs1045485, XRCC1 rs25487, rs1799782, MTHFR rs1801133, MTR rs1805087, or GSTM1/GSTT1 null mutations. CONCLUSION Our updated meta-analysis provided statistical evidence for the role of MLLT10 rs12770228, MTRR rs1801394, and MTHFR rs1801131 in increased susceptibility to meningioma.
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Affiliation(s)
- Xiao-Yong Han
- Department of Neurosurgery 3, Cangzhou Central Hospital, Cangzhou
| | - Wei Wang
- Department of Ultrasound, Anqiu People's Hospital, Weifang, China
| | - Lei-Lei Wang
- Department of Neurosurgery 3, Cangzhou Central Hospital, Cangzhou
| | - Xi-Rui Wang
- Department of Neurosurgery 3, Cangzhou Central Hospital, Cangzhou
| | - Gang Li
- Department of Neurosurgery 3, Cangzhou Central Hospital, Cangzhou
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Contribution of classical end-joining to PTEN inactivation in p53-mediated glioblastoma formation and drug-resistant survival. Nat Commun 2017; 8:14013. [PMID: 28094268 PMCID: PMC5247582 DOI: 10.1038/ncomms14013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 11/21/2016] [Indexed: 02/07/2023] Open
Abstract
DNA repair gene defects are found in virtually all human glioblastomas, but the genetic evidence for a direct role remains lacking. Here we demonstrate that combined inactivation of the XRCC4 non-homologous end-joining (NHEJ) DNA repair gene and p53 efficiently induces brain tumours with hallmark characteristics of human proneural/classical glioblastoma. The murine tumours exhibit PTEN loss of function instigated by reduced PTEN mRNA, and increased phosphorylated inactivation and stability as a consequence of aberrantly elevated CK2 provoked by p53 ablation and irrevocably deregulated by NHEJ inactivation. This results in DNA damage-resistant cytoplasmic PTEN and CK2 expression, and the attenuation of DNA repair genes. CK2 inhibition restores PTEN nuclear distribution and DNA repair activities and impairs tumour but not normal cell survival. These observations demonstrate that NHEJ contributes to p53-mediated glioblastoma suppression, and reveal a crucial role for PTEN in the early DNA damage signalling cascade, the inhibition of which promotes tumorigenicity and drug-resistant survival. We know that defects in DNA repair genes are associated with cancer development. Here the authors eliminate XRCC4, a non-homologous end-joining protein, and p53 in the developing brain and find that this causes glioblastoma development as a consequence of reduced PTEN function.
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Chen L, Liu MM, Liu H, Lu D, Zhao XD, Yang XJ. ERCC1 and XRCC1 but not XPA single nucleotide polymorphisms correlate with response to chemotherapy in endometrial carcinoma. Onco Targets Ther 2016; 9:7019-7028. [PMID: 27895494 PMCID: PMC5117877 DOI: 10.2147/ott.s110976] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Our study aimed to investigate the correlation between single nucleotide polymorphisms of ERCC1/XRCC1/XPA genes and postoperative chemotherapy efficacy and prognosis of endometrial carcinoma. Our study included 108 patients with endometrial carcinoma and 100 healthy participants. ERCC1 rs11615/XRCC1 rs25487/XPA rs1800975 gene polymorphisms were detected by polymerase chain reaction-restriction fragment length polymorphism. Then the chemotherapy efficacy and toxic effects of the patients were assessed. The genotype and allele frequency of ERCC1 rs11615/XRCC1 rs25487 in the case group were significantly different from that in the control group (all P<0.05). The patients with AA + GA in ERCC1 rs11615 had an increased risk of endometrial carcinoma than those with GG, and the risk of endometrial carcinoma for patients with AA + GA was also higher in comparison with patients with GG genotype in XRCC1 rs25487 (all P<0.05). GG on both ERCC1 rs11615/XRCC1 rs25487 had a higher effective rate of chemotherapy than GA + AA (all P<0.05). ERCC1 rs11615/XRCC1 rs25487 gene polymorphisms were linked with toxic effects in liver, kidney, and nervous system. ERCC1 rs11615/XRCC1 rs25487, muscular invasion, and tumor stage were independent risk factors for the prognosis of endometrial carcinoma (all P<0.05). However, no significant associations were observed between XPA rs1800975 polymorphism and chemotherapy efficacy and prognosis of endometrial carcinoma (all P>0.05). These results indicated that ERCC1 and XRCC1 but not XPA polymorphisms correlate with response to chemotherapy in endometrial carcinoma.
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Affiliation(s)
| | | | - Hui Liu
- Department of Gynecology and Obstetrics
| | | | - Xiao-Dan Zhao
- Department of Clinical Laboratory, The 2nd Affiliated Hospital, Harbin Medical University
| | - Xue-Jing Yang
- Nursing Department, Harbin Chest Hospital, Harbin, People's Republic of China
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Abbritti RV, Polito F, Cucinotta M, Lo Giudice C, Caffo M, Tomasello C, Germanò A, Aguennouz M. Meningiomas and Proteomics: Focus on New Potential Biomarkers and Molecular Pathways. Cancer Genomics Proteomics 2016; 13:369-379. [PMID: 27566655 PMCID: PMC5070626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 05/25/2016] [Indexed: 06/06/2023] Open
Abstract
Meningiomas are one of the most common tumors affecting the central nervous system, exhibiting a great heterogeneity in grading, treatment and molecular background. This article provides an overview of the current literature regarding the molecular aspect of meningiomas. Analysis of potential biomarkers in serum, cerebrospinal fluid (CSF) and pathological tissues was reported. Applying bioinformatic methods and matching the common proteic profile, arising from different biological samples, we highlighted the role of nine proteins, particularly related to tumorigenesis and grading of meningiomas: serpin peptidase inhibitor alpha 1, ceruloplasmin, hemopexin, albumin, C3, apolipoprotein, haptoglobin, amyloid-P-component serum and alpha-1-beta-glycoprotein. These proteins and their associated pathways, including complement and coagulation cascades, plasma lipoprotein particle remodeling and lipid metabolism could be considered possible diagnostic, prognostic biomarkers, and eventually therapeutic targets. Further investigations are needed to better characterize the role of these proteins and pathways in meningiomas. The role of new therapeutic strategies are also discussed.
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Affiliation(s)
- Rosaria Viola Abbritti
- Biomedical Sciences and Morphological and Functional Imaging, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Francesca Polito
- Biomedical Sciences and Morphological and Functional Imaging, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Maria Cucinotta
- Clinical and Experimental Medicine, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Claudio Lo Giudice
- Clinical and Experimental Medicine, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Maria Caffo
- Biomedical Sciences and Morphological and Functional Imaging, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Chiara Tomasello
- Biomedical Sciences and Morphological and Functional Imaging, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Antonino Germanò
- Biomedical Sciences and Morphological and Functional Imaging, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
| | - Mohammed Aguennouz
- Clinical and Experimental Medicine, Gaetano Martino, Polyclinic University Hospital University of Messina, Messina, Italy
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Polymorphisms in DNA repair genes in gastrointestinal stromal tumours: susceptibility and correlation with tumour characteristics and clinical outcome. Tumour Biol 2016; 37:13413-13423. [PMID: 27460091 DOI: 10.1007/s13277-016-5276-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 07/15/2016] [Indexed: 12/13/2022] Open
Abstract
DNA repair pathways play an essential role in cancer susceptibility by maintaining genomic integrity. This led us to investigate the influence of polymorphisms in the genes coding repair pathway enzymes on gastrointestinal stromal tumours (GIST) susceptibility, tumour characteristics and clinical outcome. We investigated a panel of 20 polymorphisms in 11 genes in 81 cases and 147 controls. The XPD rs13181 wild-type allele and hOGG1 rs1052133 and XPF rs1800067 minor alleles were significantly associated with disease susceptibility. XPA rs1800975 and rs2808668 were associated with tumour size (P = 0.018), metastatic status at onset (P = 0.035) and mitotic index (P = 0.002). With regards to outcome treatment, the XPD rs50872 minor allele had a significant favourable impact on time to progression (TTP). Similarly, the XPC rs2228000 minor allele was correlated with a longer TTP (P = 0.03). On the contrary, the XPC rs2228001 and hOGG1 rs1052133 minor alleles were associated with a diminished TTP (P = 0.005 and P = 0.01, respectively). Regarding OS, we found the presence of at least one hOGG1 (rs1052133) minor allele that had a 60 % lower risk to die compared to the wild-type carriers (P = 0.04). Furthermore, the XRCC3 rs861539 variant allele is associated with a hazard of early death compared with the wild-type genotype (P = 0.04). To the best of our knowledge, this is the first study on polymorphisms in DNA repair genes, belonging to the different pathways, extensively evaluated in GIST patients. Through this multiple candidate gene approach, we report for the first time the significant associations between polymorphisms in DNA repair genes, susceptibility, clinical pathological features and clinical outcome in GIST.
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28
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Pećina-Šlaus N, Kafka A, Lechpammer M. Molecular Genetics of Intracranial Meningiomas with Emphasis on Canonical Wnt Signalling. Cancers (Basel) 2016; 8:E67. [PMID: 27429002 PMCID: PMC4963809 DOI: 10.3390/cancers8070067] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 06/27/2016] [Accepted: 07/07/2016] [Indexed: 12/15/2022] Open
Abstract
Research over the last decade recognized the importance of novel molecular pathways in pathogenesis of intracranial meningiomas. In this review, we focus on human brain tumours meningiomas and the involvement of Wnt signalling pathway genes and proteins in this common brain tumour, describing their known functional effects. Meningiomas originate from the meningeal layers of the brain and the spinal cord. Most meningiomas have benign clinical behaviour and are classified as grade I by World Health Organization (WHO). However, up to 20% histologically classified as atypical (grade II) or anaplastic (grade III) are associated with higher recurrent rate and have overall less favourable clinical outcome. Recently, there is emerging evidence that multiple signalling pathways including Wnt pathway contribute to the formation and growth of meningiomas. In the review we present the synopsis on meningioma histopathology and genetics and discuss our research regarding Wnt in meningioma. Epithelial-to-mesenchymal transition, a process in which Wnt signalling plays an important role, is shortly discussed.
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Affiliation(s)
- Nives Pećina-Šlaus
- Laboratory of Neuro-Oncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Salata 12, Zagreb 10000, Croatia.
- Department of Biology, School of Medicine, University of Zagreb, Salata 3, Zagreb 10000, Croatia.
| | - Anja Kafka
- Laboratory of Neuro-Oncology, Croatian Institute for Brain Research, School of Medicine, University of Zagreb, Salata 12, Zagreb 10000, Croatia.
- Department of Biology, School of Medicine, University of Zagreb, Salata 3, Zagreb 10000, Croatia.
| | - Mirna Lechpammer
- Department of Pathology & Laboratory Medicine, University of California, Davis, Medical Center 4400 V Street, Sacramento, CA 95817, USA.
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29
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Wang C, Nie H, Li Y, Liu G, Wang X, Xing S, Zhang L, Chen X, Chen Y, Li Y. The study of the relation of DNA repair pathway genes SNPs and the sensitivity to radiotherapy and chemotherapy of NSCLC. Sci Rep 2016; 6:26526. [PMID: 27246533 PMCID: PMC4887885 DOI: 10.1038/srep26526] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Accepted: 05/04/2016] [Indexed: 12/18/2022] Open
Abstract
To analyze the relation between SNPs in DNA repair pathway-related genes and sensitivity of tumor radio-chemotherapy, 26 SNPs in 20 DNA repair genes were genotyped on 176 patients of NSCLC undertaking radio-chemotherapy treatment. In squamous cell carcinoma (SCC), as the rs2228000, rs2228001 (XPC), rs2273953 (TP73), rs2279744 (MDM2), rs2299939 (PTEN) and rs8178085, rs12334811 (DNA-PKcs) affected the sensitivity to chemotherapy, so did the rs8178085, rs12334811 to radiotherapy. Moreover rs344781, rs2273953 and rs12334811 were related with the survival time of SCC. In general, the “good” genotype GG (rs12334811) showed greater efficacy of radio-chemotherapy and MSF (24 months) on SCC. In adenocarcinoma, as the rs2699887 (PIK3), rs12334811 (DNA-PKcs) influenced the sensitivity to chemotherapy, so did the rs2299939, rs2735343 (PTEN) to radiotherapy. And rs402710, rs80270, rs2279744 and rs2909430 impacted the survival time of the adenocarcinoma patients. Both GG (rs2279744) and AG (rs2909430) showed a shorter survival time (MFS = 6). Additionally, some SNPs such as rs2228000, rs2228001 and rs344781 were found to regulate the expression of DNA repair pathway genes through eQTLs dataset analysis. These results indicate that SNPs in DNA repair pathway genes might regulate the expression and affect the DNA damage repair, and thereby impact the efficacy of radio-chemotherapy and the survival time of NSCLC.
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Affiliation(s)
- Chunbo Wang
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China.,Department of Radiotherapy, Affiliated Tumour Hospital of Harbin Medical University
| | - Huan Nie
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China
| | - Yiqun Li
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China
| | - Guiyou Liu
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China.,Genome Analysis Laboratory, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, China
| | - Xu Wang
- Department of Radiotherapy, Beijing Miyun County Hospital
| | - Shijie Xing
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China
| | - Liping Zhang
- Department of Radiotherapy, Affiliated Tumour Hospital of Harbin Medical University
| | - Xin Chen
- Department of Radiotherapy, Affiliated Tumour Hospital of Harbin Medical University
| | - Yue Chen
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China
| | - Yu Li
- School of Life Science and Technology, Harbin Institute of Technology, Heilongjiang, China
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30
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Maile EJ, Barnes I, Finlayson AE, Sayeed S, Ali R. Nervous System and Intracranial Tumour Incidence by Ethnicity in England, 2001-2007: A Descriptive Epidemiological Study. PLoS One 2016; 11:e0154347. [PMID: 27135830 PMCID: PMC4852951 DOI: 10.1371/journal.pone.0154347] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 04/12/2016] [Indexed: 01/08/2023] Open
Abstract
Background There is substantial variation in nervous system and intracranial tumour incidence worldwide. UK incidence data have limited utility because they group these diverse tumours together and do not provide data for individual ethnic groups within Blacks and South Asians. Our objective was to determine the incidence of individual tumour types for seven individual ethnic groups. Methods We used data from the National Cancer Intelligence Network on tumour site, age, sex and deprivation to identify 42,207 tumour cases. Self-reported ethnicity was obtained from the Hospital Episode Statistics database. We used mid-year population estimates from the Office for National Statistics. We analysed tumours by site using Poisson regression to estimate incidence rate ratios comparing non-White ethnicities to Whites after adjustment for sex, age and deprivation. Results Our study showed differences in tumour incidence by ethnicity for gliomas, meningiomas, pituitary tumours and cranial and paraspinal nerve tumours. Relative to Whites; South Asians, Blacks and Chinese have a lower incidence of gliomas (p<0.01), with respective incidence rate ratios of 0.68 (confidence interval: 0.60–0.77), 0.62 (0.52–0.73) and 0.58 (0.41–0.83). Blacks have a higher incidence of meningioma (p<0.01) with an incidence rate ratio of 1.29 (1.05–1.59) and there is heterogeneity in meningioma incidence between individual South Asian ethnicities. Blacks have a higher incidence of pituitary tumours relative to Whites (p<0.01) with an incidence rate ratio of 2.95 (2.37–3.67). There is heterogeneity in pituitary tumour incidence between individual South Asian ethnicities. Conclusions We present incidence data of individual tumour types for seven ethnic groups. Current understanding of the aetiology of these tumours cannot explain our results. These findings suggest avenues for further work.
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Affiliation(s)
- Edward J. Maile
- Cancer Epidemiology Unit, Nuffield Department of Population Health, Medical Sciences Division, University of Oxford, Oxford, Oxfordshire, United Kingdom
| | - Isobel Barnes
- Cancer Epidemiology Unit, Nuffield Department of Population Health, Medical Sciences Division, University of Oxford, Oxford, Oxfordshire, United Kingdom
| | - Alexander E. Finlayson
- Cancer Epidemiology Unit, Nuffield Department of Population Health, Medical Sciences Division, University of Oxford, Oxford, Oxfordshire, United Kingdom
| | - Shameq Sayeed
- Cancer Epidemiology Unit, Nuffield Department of Population Health, Medical Sciences Division, University of Oxford, Oxford, Oxfordshire, United Kingdom
| | - Raghib Ali
- Cancer Epidemiology Unit, Nuffield Department of Population Health, Medical Sciences Division, University of Oxford, Oxford, Oxfordshire, United Kingdom
- Faculty of Medicine and Health Sciences, Institute of Public Health, United Arab Emirates University, Abu Dhabi, UAE
- * E-mail:
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31
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Liu K, Jiang Y. Polymorphisms in DNA Repair Gene and Susceptibility to Glioma: A Systematic Review and Meta-Analysis Based on 33 Studies with 15 SNPs in 9 Genes. Cell Mol Neurobiol 2016; 37:263-274. [PMID: 27055523 DOI: 10.1007/s10571-016-0367-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Accepted: 03/22/2016] [Indexed: 11/29/2022]
Abstract
At present, many publications have evaluated the correlation between the DNA repair gene polymorphisms and glioma susceptibility. However, the results remain inconclusive. The aim of this research is to exhaustively assess the association of genetic polymorphisms in DNA repair genes with glioma risk in human. Meta-analysis method was conducted, and 33 studies with 15 SNPs in 9 genes were included (12553 glioma cases and 17178 controls). Correlation strength was evaluated by odds ratio with a 95 % confidence interval. Rs1799782 T allele and rs25487A allele might bring about higher risk of glioma in Asian population. Rs1805377 G allele was an increased risk genetic factor of glioma. Asian carried with rs3212986 A allele was more likely to have glioma. Rs1800067 G allele was a risk factor of developing glioma. Carriers with rs12917 CC genotype in MGMT gene had higher risk of glioma in Caucasian than other non-CC genotype carriers. Carriers with rs1136410 T allele in PARP1 gene could more likely to develop glioma in Caucasian. This meta-analysis suggests that glioma susceptibility is associated with rs1799782 and rs25487 of X-ray repair complementing defective repair in Chinese hamster cells 1 (XRCC1), rs1805377 of XRCC4, rs1800067 of excision repair cross-complementing rodent repair deficiency complementation group 4 (ERCC4) and rs3212986 of ERCC1 in Asian population, and rs12917 of O-6-methylguanine-DNA methyltransferase (MGMT) and rs1136410 of poly(ADP-ribose) polymerase 1 (PARP1) in Caucasian population.
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Affiliation(s)
- Kun Liu
- Department of neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renmin(M) Road, Changsha, 410011, Hunan, China.,Department of neurosurgery, Brains Hospital of Hunan Province, Changsha, China
| | - Yugang Jiang
- Department of neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renmin(M) Road, Changsha, 410011, Hunan, China.
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32
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Qi L, Yu HQ, Zhang Y, Ding LJ, Zhao DH, Lv P, Wang WY, Xu Y. A Comprehensive Meta-analysis of Genetic Associations Between Key Polymorphic Loci in DNA Repair Genes and Glioma Risk. Mol Neurobiol 2016; 54:1314-1325. [PMID: 26843108 DOI: 10.1007/s12035-016-9725-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 01/13/2016] [Indexed: 02/07/2023]
Abstract
Genetic variants found in DNA repair genes (ERCC1, rs3212986; ERCC2, rs13181; ERCC4, rs1800067; ERCC5, rs17655; XRCC1, rs1799782, rs25487, rs25489; XRCC3, rs861539) have been reported to have an ambivalent association with the development of glioma. In the present study, a meta-analysis was conducted to confirm the relationship, taking heterogeneity of population into consideration. We analyzed 21 articles of 6 genes along with 8 single nucleotide polymorphisms (SNPs) (24,078 cases and 30,926 healthy individuals), which assessed the relationship between nucleotide excision, base excision, double-strand break repair gene, and the development of glioma under five models. All statistical analysis was implemented by the software of R 3.2.1, and the relationships between key polymorphic loci in DNA repair genes and glioma were quantified by the pooled odds ratio (OR) and 95 % confidential intervals. Overall, the synthesized evidence demonstrated that the SNP of rs13181 and rs1799782 significantly increased the risk of glioma whereas SNP of rs1800067 were significantly associated with a decrease in the risk of glioma. Additionally, subgroup analyses of 8 SNPs by ethnicity indicated that the mutation of rs13181, rs1800067 were apparently protective factors of glioma among Asians, while the mutation of rs13181 was a risk factors of glioma in Caucasians. Furthermore, the mutation of rs1799782 significantly raises the risk of glioma for Asian. Our study suggested that rs13181*C and rs1799782*A are risk alleles for glioma; rs1800067*A are beneficial alleles for decreased susceptibility to glioma. Future studies with large sample size and other races are strongly recommended to confirm the results from this study.
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Affiliation(s)
- Ling Qi
- Department of Pathology, Jilin Medical University, Jilin, 132013, China
| | - Hong-Quan Yu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
| | - Yu Zhang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
| | - Li-Juan Ding
- Department of Radiation Oncology, First Hospital of Jilin University, Changchun, 130021, China
| | - Dong-Hai Zhao
- Department of Pathology, Jilin Medical University, Jilin, 132013, China
| | - Peng Lv
- Department of Pathology, Jilin Medical University, Jilin, 132013, China
| | - Wei-Yao Wang
- Department of Pathology, Jilin Medical University, Jilin, 132013, China
| | - Ye Xu
- Medical Research Laboratory, Jilin Medical University, No.5 Jilin District, Jilin, 132013, China.
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33
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Wójcik KA, Synowiec E, Polakowski P, Błasiak J, Szaflik J, Szaflik JP. Variation in DNA Base Excision Repair Genes in Fuchs Endothelial Corneal Dystrophy. Med Sci Monit 2015; 21:2809-27. [PMID: 26388025 PMCID: PMC4582917 DOI: 10.12659/msm.894273] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Fuchs endothelial corneal dystrophy (FECD) is a corneal disease characterized by abnormalities in the Descemet membrane and the corneal endothelium. The etiology of this disease is poorly understood. An increased level of oxidative DNA damage reported in FECD corneas suggests a role of DNA base excision repair (BER) genes in its pathogenesis. In this work, we searched for the association between variation of the PARP-1, NEIL1, POLG, and XRCC1 genes and FECD occurrence. MATERIAL AND METHODS This study was conducted on 250 FECD patients and 353 controls using polymerase chain reaction-restriction fragment length polymorphism, high-resolution melting analysis, and the TaqMan® SNP Genotyping Assay. RESULTS We observed that the A/A genotype and the A allele of the c.1196A>G polymorphism of the XRCC1 gene were positively correlated with an increased FECD occurrence, whereas the G allele had the opposite effect. A weak association between the C/G genotype of the g.46438521G>C polymorphism of the NEIL1 gene and an increased incidence of FECD was also detected. Haplotypes of both polymorphisms of the XRCC1 were associated with FECD occurrence. No association of the c.2285T>C, c.-1370T>A and c.580C>T polymorphisms of the PARP-1, POLG and XRCC1 genes, respectively, with FECD occurrence was observed. CONCLUSIONS Our results suggest that the c.1196A>G polymorphism in the XRCC1 gene may be an independent genetic risk factor for FECD.
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Affiliation(s)
| | - Ewelina Synowiec
- Department of Molecular Genetics, University of Łódź, Łódź, Poland
| | - Piotr Polakowski
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
| | - Janusz Błasiak
- Department of Molecular Genetics, University of Łódź, Łódź, Poland
| | - Jerzy Szaflik
- Department of Ophthalmology, Medical University of Warsaw, Warsaw, Poland
| | - Jacek P Szaflik
- Department of Ophthalmology, Medical University of Warsaw, Warszawa, Poland
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Claus EB, Walsh KM, Wiencke JK, Molinaro AM, Wiemels JL, Schildkraut JM, Bondy ML, Berger M, Jenkins R, Wrensch M. Survival and low-grade glioma: the emergence of genetic information. Neurosurg Focus 2015; 38:E6. [PMID: 25552286 DOI: 10.3171/2014.10.focus12367] [Citation(s) in RCA: 289] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Significant gaps exist in our understanding of the causes and clinical management of glioma. One of the biggest gaps is how best to manage low-grade (World Health Organization [WHO] Grade II) glioma. Low-grade glioma (LGG) is a uniformly fatal disease of young adults (mean age 41 years), with survival averaging approximately 7 years. Although LGG patients have better survival than patients with high-grade (WHO Grade III or IV) glioma, all LGGs eventually progress to high-grade glioma and death. Data from the Surveillance, Epidemiology and End Results (SEER) program of the National Cancer Institute suggest that for the majority of LGG patients, overall survival has not significantly improved over the past 3 decades, highlighting the need for intensified study of this tumor. Recently published research suggests that historically used clinical variables are not sufficient (and are likely inferior) prognostic and predictive indicators relative to information provided by recently discovered tumor markers (e.g., 1p/19q deletion and IDH1 or IDH2 mutation status), tumor expression profiles (e.g., the proneural profile) and/or constitutive genotype (e.g., rs55705857 on 8q24.21). Discovery of such tumor and constitutive variation may identify variables needed to improve randomization in clinical trials as well as identify patients more sensitive to current treatments and targets for improved treatment in the future. This article reports on survival trends for patients diagnosed with LGG within the United States from 1973 through 2011 and reviews the emerging role of tumor and constitutive genetics in refining risk stratification, defining targeted therapy, and improving survival for this group of relatively young patients.
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35
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Niedermaier T, Behrens G, Schmid D, Schlecht I, Fischer B, Leitzmann MF. Body mass index, physical activity, and risk of adult meningioma and glioma: A meta-analysis. Neurology 2015; 85:1342-50. [PMID: 26377253 DOI: 10.1212/wnl.0000000000002020] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 06/18/2015] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE Whether adiposity and lack of physical activity affect the risk for developing meningioma and glioma is poorly understood. Our objective was to characterize these associations in detail. METHODS We conducted a systematic review and meta-analysis of adiposity and physical activity in relation to meningioma and glioma using cohort and case-control studies published through February 2015. We followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. RESULTS We identified 12 eligible studies of body mass index (BMI) and 6 studies of physical activity, comprising up to 2,982 meningioma cases and 3,057 glioma cases. Using normal weight as the reference group, overweight (summary relative risk [RR] = 1.21, 95% confidence interval [CI] = 1.01-1.43) and obesity (RR = 1.54, 95% CI = 1.32-1.79) were associated with increased risk of meningioma. In contrast, overweight (RR = 1.06, 95% CI = 0.94-1.20) and obesity (RR = 1.11, 95% CI = 0.98-1.27) were unrelated to glioma. Similarly, dose-response meta-analyses revealed a statistically significant positive association of BMI with meningioma, but not glioma. High vs low physical activity levels showed a modest inverse relation to meningioma (RR = 0.73, 95% CI = 0.61-0.88) and a weak inverse association with glioma (RR = 0.86, 95% CI = 0.76-0.97). Relations persisted when the data were restricted to prospective studies, except for the association between physical activity and glioma, which was rendered statistically nonsignificant (RR = 0.91, 95% CI = 0.77-1.07). CONCLUSIONS Adiposity is related to enhanced risk for meningioma but is unassociated with risk for glioma. Based on a limited body of evidence, physical activity is related to decreased risk of meningioma but shows little association with risk of glioma.
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Affiliation(s)
- Tobias Niedermaier
- From the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany
| | - Gundula Behrens
- From the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany.
| | - Daniela Schmid
- From the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany
| | - Inga Schlecht
- From the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany
| | - Beate Fischer
- From the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany
| | - Michael F Leitzmann
- From the Department of Epidemiology and Preventive Medicine, University of Regensburg, Germany
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36
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Li J, Chen Q, Liu B, Yang J, Shao L, Wu T. Association between X-ray repair cross-complementing group 1 gene polymorphisms and glioma risk: a systematic review and meta-analysis based on 22 case-control studies. Int J Clin Exp Med 2015; 8:11863-11880. [PMID: 26550099 PMCID: PMC4612784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 07/11/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVES Glioma is the most common central nervous system tumor. This systematic review and meta-analysis is aimed to systematically assess the association of XRCC1 polymorphisms with the risk of glioma. METHODS Such databases as EMbase, PubMed, The Cochrane Library, the China National Knowledge Infrastructure (CNKI) platforms, VIP and WanFang were searched up to April 2015 to collect case-control studies of association between XRCC1 polymorphisms and glioma. Data were extracted and meta-analysis was conducted by using Stata 12.0 softwares. RESULTS A total of 22 studies were included in the meta-analysis, including 18503 glioma patients and 24367 controls. The overall data indicated that XRCC1 Arg194Trp (C>T) polymorphism significantly increased glioma risk (allele C versus T: OR=0.72, 95% CI=0.55-0.93, CC versus TT: OR=0.55, 95% CI=0.46-0.67; CC versus CT+TT: OR=0.64, 95% CI=0.45-0.91 and CC+CT vs. TT: OR=0.61, 95% CI=0.51-0.74), especially in Asia ethnicity. XRCC1 Arg280His (G>A) polymorphism has no association with glioma (allele G versus A: OR=1.01, 95% CI=0.83-1.22; GG versus AA: OR=1.07, 95% CI=0.66-1.75; GA versus AA: OR=1.01, 95% CI=0.77-1.32; GG versus GA+AA: OR=1.01, 95% CI=0.84-1.22 and GG+GT versus AA: OR=1.06, 95% CI=0.67-1.69). XRCC1 Arg399Gln (G>A) polymorphism will significantly increase glioma risk in Asian (allele G versus A: OR=0.78, 95% CI= 0.72-0.84; GG versus AA: OR=0.56, 95% CI=0.47-0.66; GA versus AA OR=0.71, 95% CI=0.59-0.84; GG versus GA+AA: OR=0.76, 95% CI=0.68-0.84 and GG+GA vs. AA: OR=0.62, 95% CI=0.53-0.73) but not Caucasian ethnicity. XRCC1 Pro161Leu (C>T), Leu387Leu (G>A), Pro602Thr (C>A), Ser593Arg (C>G) and Glu491Lys (G>A) polymorphisms increased glioma risk in different degrees. CONCLUSION This meta-analysis suggested that XRCC1 Arg194Trp and XRCC1 Arg399Gln (G>A) polymorphisms led to susceptibility to glioma in Asian but not Caucasian population. XRCC1 Glu491Lys (G>A), Pro161Leu (C>T), Leu387Leu (G>A), Pro602Thr (C>A), Thr304Ala (A>G) and Ser593Arg (C>G) polymorphisms will increase glioma risk. However, XRCC1 Arg280His (G>A) is irrelevant to the increased or decreased glioma risk.
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Affiliation(s)
- Jiqiang Li
- Department of Neurosurgery, Renmin Hospital, Wuhan UniversityWuhan 430060, China
- Central Laboratory of Renmin Hospital of Wuhan UniversityWuhan 430060, China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital, Wuhan UniversityWuhan 430060, China
| | - Baohui Liu
- Department of Neurosurgery, Renmin Hospital, Wuhan UniversityWuhan 430060, China
- Central Laboratory of Renmin Hospital of Wuhan UniversityWuhan 430060, China
| | - Jian Yang
- Department of Neurosurgery, Renmin Hospital, Wuhan UniversityWuhan 430060, China
- Central Laboratory of Renmin Hospital of Wuhan UniversityWuhan 430060, China
| | - Lingmin Shao
- Department of Neurosurgery, Renmin Hospital, Wuhan UniversityWuhan 430060, China
- Central Laboratory of Renmin Hospital of Wuhan UniversityWuhan 430060, China
| | - Tingfeng Wu
- Department of Neurosurgery, Renmin Hospital, Wuhan UniversityWuhan 430060, China
- Central Laboratory of Renmin Hospital of Wuhan UniversityWuhan 430060, China
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37
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Geng P, Ou J, Li J, Liao Y, Wang N, Xie G, Sa R, Liu C, Xiang L, Liang H. A Comprehensive Analysis of Influence ERCC Polymorphisms Confer on the Development of Brain Tumors. Mol Neurobiol 2015; 53:2705-14. [PMID: 26264164 DOI: 10.1007/s12035-015-9371-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 07/21/2015] [Indexed: 12/21/2022]
Abstract
Within DNA repair genes, there lie a number of single nucleotide polymorphisms that may impair protein function and attenuate DNA repair capability, resulting in genomic instability and individual predisposition to malignancies. The purpose of this study was to assess the previously reported inconsistent association of polymorphisms in ERCC1 (rs11615, rs3212986), ERCC2 (rs13181, rs1799793, rs238406), and ERCC5 (rs17655) with the development of brain tumors. In the present work, we carried out a comprehensive meta-analysis of results from all published data (5 data sets for rs11615, 7 for rs3212986, 11 for rs13181, 5 for rs1799793, 3 for rs238406, and 4 for rs17655) to evaluate risk of brain tumors contributed by the polymorphisms being investigated. Either the analytic method described by Mantel and Haenszel or that proposed by DerSimonian and Laird was properly used to summarize the risk estimates (OR and 95% CI). Data analyses were done with Stata version 12.0. Meta-analyses were performed for all polymorphisms, and only rs3212986 in the ERCC1 gene showed a significant association with glioma incidence. In the homozygote comparison, we found 1.26-fold elevated risk of glioma in relation to presence of the AA genotype (OR = 1.26, 95% CI = 1.05-1.52, P OR = 0.013, P heterogeneity = 0.849, I(2) = 0.0%). We also noted that individuals with the rs3212986-AA as compared to those with rs3212986-CC/CA had a 28% higher risk to develop glioma (OR = 1.28, 95% CI = 1.06-1.53, P OR = 0.008, Pheterogeneity = 0.808, I(2) = 0.0%). No major effects were observed for Caucasians or Asians in subgroup analysis by ethnicity. ERCC1 rs3212986 is a common single nucleotide polymorphism and may contribute toward individual susceptibility for glioma. Further research in this filed is required to verify the association obtained based on a relatively small number.
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Affiliation(s)
- Peiliang Geng
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Juanjuan Ou
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Jianjun Li
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Yunmei Liao
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Ning Wang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Ganfeng Xie
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Rina Sa
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Chen Liu
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Lisha Xiang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China
| | - Houjie Liang
- Department of Oncology and Southwest Cancer Center, Southwest Hospital Third Military Medical University, 29 Gaotanyan Main Street, Chongqing, 400038, China.
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Xu C, Chen P, Liu W, Gu AH, Wang XR. Association between the XRCC1 Arg194Trp polymorphism and glioma risk: an updated meta-analysis. Asian Pac J Cancer Prev 2015; 15:7419-24. [PMID: 25227852 DOI: 10.7314/apjcp.2014.15.17.7419] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Gliomas are the most common type of primary brain tumors. The XRCC1 Arg194Trp variant affects the proliferating cell nuclear antigen( PCNA) binding region, which suggests that this mutation may contribute to gliomagenesis and a number of articles have examine the association between XRCC1 Arg194Trp and the susceptibility to glioma. However, the results were conflicting. Test of heterogeneity, sensitivity analysis, meta- analysis, and assessment of publication bias were all performed in our present meta-analysis, covering a total of 5,407 patients and 7,715 healthy persons. In the overall analysis the XRCC1 Arg194Trp polymorphism showed a significant association with glioma susceptibility in a recessive mode l(for TrpTrp vs ArgArg+ArgTrp: OR=1.918, 95%CI=1.575-2.336, I2=2.3%). In addition, analysis of subgroups presented an increased risk in Asians and populations-based on hospitals. The results suggested that the XRCC1 Arg194Trp polymorphism is a genetic risk factor for glioma, especially in Asian population. To further evaluate gene-gene and gene-environment interactions on XRCC1 polymorphisms and glioma risk, thousands of subjects and tissue-specific biochemical characterizations are required.
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Affiliation(s)
- Cheng Xu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing ,China E-mail :
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Association Between PARP1 Single Nucleotide Polymorphism and Brain Tumors. Mol Neurobiol 2015; 53:2083-9. [DOI: 10.1007/s12035-015-9168-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 03/31/2015] [Indexed: 12/13/2022]
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Cui QK, Zhu JX, Liu WD, Wang YH, Wang ZG. Association of ERCC1 rs3212986 & ERCC2 rs13181 polymorphisms with the risk of glioma. Pak J Med Sci 2015; 30:1409-14. [PMID: 25674148 PMCID: PMC4320740 DOI: 10.12669/pjms.306.5221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 07/16/2014] [Accepted: 08/04/2014] [Indexed: 11/15/2022] Open
Abstract
Objective:: Several previous studies have reported the role variant of ERCC1 rs3212986 and ERCC2 rs13181 polymorphisms in the risk of glioma, but the results of these studies are inconsistent. Therefore, we aimed to conduct a meta-analysis to investigate the role of ERCC1 rs3212986 and ERCC2 rs13181 on the risk of glioma. Methods: A comprehensive research was conducted through the databases of Pubmed, EMBASE and the China National Knowledge Infrastructure (CNKI) platforms until June 1, 2014, including 14 eligible case-control studies. Results: Our meta-analysis found that ERCC1 rs3212986 AA genotype was significantly associated with increased risk of glioma compared with CC genotype, and the pooled OR (95%CI) was 1.29(1.07-1.55). By subgroup analysis, ERCC1 rs3212986 AA genotype was found to be significantly correlated with increased glioma risk in Chinese population (OR=1.37, 95%CI=1.07, 1.55), Similarly, we found that ERCC2 rs13181 GT and TT genotypes were significantly associated with increased risk of glioma in Chinese population, with ORs(95%CI) of 1.47(1.17-1.85) and 1.50(1.02-2.22). But ERCC1 rs3212986 and ERCC2 rs13181 polymorphisms had no significant association with glioma risk in Caucasian populations. By begg’s funnel plot, we found that no publication bias was existed in this meta-analysis. Conclusion: Our meta-analysis suggested that ERCC1 rs3212986 and ERCC2 rs13181 polymorphism play an important risk factor for brain tumor development in Chinese population, but no association in Caucasian populations.
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Affiliation(s)
- Qing-Ke Cui
- Qing-ke Cui, Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng Shandong, 252000, P. R. China
| | - Jian-Xin Zhu
- Qing-ke Cui, Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng Shandong, 252000, P. R. China
| | - Wei-Dong Liu
- Wei-dong Liu, Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng Shandong, 252000, P. R. China
| | - Yun-Hua Wang
- Yun-hua Wang, Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng Shandong, 252000, P. R. China
| | - Zhi-Gang Wang
- Zhi-gang Wang, Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng Shandong, 252000, P. R. China
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Feng X, Miao G, Han Y, Xu Y, Wu H. Glioma risks associate with genetic polymorphisms of XRCC1 gene in Chinese population. J Cell Biochem 2014; 115:1122-7. [PMID: 24375631 DOI: 10.1002/jcb.24753] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2013] [Accepted: 12/17/2013] [Indexed: 12/25/2022]
Abstract
Glioma is the most common type of primary brain tumors in adults. Previous evidence indicates that the X-ray repair cross-complementing group 1 gene (XRCC1) is an important candidate gene which influencing the pathogenesis of glioma. This study aims to assess the potential associations between glioma risks and genetic polymorphisms of XRCC1 gene. A total of 1,286 Chinese Han ethnic subjects consisting of 638 glioma patients and 648 controls were recruited in this case-control study. The genotyping of XRCC1 genetic polymorphisms (c.482C>T, c.1161G>A, and c.1804C>A) were conducted using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), created restriction site-PCR (CRS-PCR) and DNA sequencing methods. Our data indicated that the allelic and genotypic frequencies of these genetic polymorphisms in glioma patients were significantly different from those of controls. We detected that the alleles/genotypes were statistically associated with the increased risks of glioma (for c.482C>T, TT versus (vs.) CC: OR = 2.24, 95% CI = 1.48-3.39, P < 0.001; T vs. C: OR = 1.30, 95% CI = 1.09-1.53, P = 0.003; for c.1161G>A, AA vs. GG: OR = 1.62, 95% CI = 1.11-2.35, P = 0.012; A vs. G: OR = 1.19, 95% CI = 1.01-1.41, P = 0.040; for c.1804C>A, AA vs. CC: OR = 2.12, 95% CI = 1.45-3.11, P < 0.001; A vs. C: OR = 1.32, 95% CI = 1.12-1.56, P = 0.001). Our findings suggest that these genetic polymorphisms of XRCC1 gene may influence glioma risks in Chinese Han ethnic subjects, and might be potential molecular markers for evaluating glioma risks.
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Affiliation(s)
- Xingjun Feng
- Department of Neurosurgery, General Hospital of Chinese People's Armed Police Forces, Beijing, 100039, People's Republic of China
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He LW, Shi R, Jiang L, Zeng Y, Ma WL, Zhou JY. XRCC1 gene polymorphisms and glioma risk in Chinese population: a meta-analysis. PLoS One 2014; 9:e111981. [PMID: 25375625 PMCID: PMC4222958 DOI: 10.1371/journal.pone.0111981] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Accepted: 10/03/2014] [Indexed: 01/18/2023] Open
Abstract
Background Three extensively investigated polymorphisms (Arg399Gln, Arg194Trp, and Arg280His) in the X-ray repair cross-complementing group 1 (XRCC1) gene have been implicated in risk for glioma. However, the results from different studies remain inconsistent. To clarify these conflicts, we performed a quantitative synthesis of the evidence to elucidate these associations in the Chinese population. Methods Data were extracted from PubMed and EMBASE, with the last search up to August 21, 2014. Meta-analysis was performed by critically reviewing 8 studies for Arg399Gln (3062 cases and 3362 controls), 8 studies for Arg194Trp (3419 cases and 3680 controls), and 5 studies for Arg280His (2234 cases and 2380 controls). All of the statistical analyses were performed using the software program, STATA (version 11.0). Results Our analysis suggested that both Arg399Gln and Arg194Trp polymorphisms were significantly associated with increased risk of glioma (for Arg399Gln polymorphism: Gln/Gln vs. Arg/Arg, OR = 1.82, 95% CI = 1.46–2.27, P = 0.000; Arg/Gln vs. Arg/Arg, OR = 1.25, 95% CI = 1.10–1.42, P = 0.001 and for Arg194Trp polymorphism: recessive model, OR = 1.78, 95% CI = 1.44–2.19, P = 0.000), whereas the Arg280His polymorphism had no influence on the susceptibility to glioma in a Chinese population. Conclusions This meta-analysis suggests that there may be no association between the Arg280His polymorphism and glioma risk, whereas the Arg399Gln/Arg194Trp polymorphisms may contribute to genetic susceptibility to glioma in the Chinese population. Nevertheless, large-scale, well-designed and population-based studies are needed to further evaluate gene-gene and gene–environment interactions, as well as to measure the combined effects of these XRCC1 variants on glioma risk.
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Affiliation(s)
- Li-Wen He
- Institute of Genetic Engineering, Southern Medical University, Guangzhou, China
- Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Rong Shi
- Institute of Genetic Engineering, Southern Medical University, Guangzhou, China
| | - Lei Jiang
- Department of Neurosurgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Ye Zeng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wen-Li Ma
- Institute of Genetic Engineering, Southern Medical University, Guangzhou, China
| | - Jue-Yu Zhou
- Institute of Genetic Engineering, Southern Medical University, Guangzhou, China
- * E-mail:
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Jiang J, Quan XF, Zhang L, Wang YC. The XRCC3 Thr241Met polymorphism influences glioma risk - a meta-analysis. Asian Pac J Cancer Prev 2014; 14:3169-73. [PMID: 23803098 DOI: 10.7314/apjcp.2013.14.5.3169] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Findings from previous published studies regarding the association of the XRCC3 Thr241Met polymorphism with glioma susceptibility have often been conflicting. Therefore, a meta-analysis including all available publications was carried out to make a more precise estimation of the potential relationship. METHODS By searching the electronic databases of Pubmed and Embase (up to April 1st, 2013), a total of nine case-control studies with 3,752 cases and 4,849 controls could be identified for inclusion in the current meta-analysis. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to assess the strength of the association. RESULTS This meta-analysis showed the XRCC3 Thr241Met polymorphism to be significantly associated with decreased glioma risk in the allelic model (Met allele vs. Thr allele: OR= 0.708, 95%CI= 0.631-0.795). Moreover, we also observed a statistically significant association between the XRCC3 Thr241Met polymorphism and reduced glioma risk in analyses stratified by ethnicity (Asian) and source of controls (hospital based) in the allelic model. CONCLUSIONS Current evidence suggests that the XRCC3 Thr241Met polymorphism may be a risk factor for glioma development, especially in Asians.
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Affiliation(s)
- Jun Jiang
- Radiation Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Yuan Q, Liu JW, Xing CZ, Yuan Y. Associations of ERCC4 rs1800067 polymorphism with cancer risk: an updated meta-analysis. Asian Pac J Cancer Prev 2014; 15:7639-44. [PMID: 25292041 DOI: 10.7314/apjcp.2014.15.18.7639] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND RESULTS from previous studies concerning the association of ERCC4 rs1800067 polymorphism with risk of cancer were inconsistent. To explore the exact relation with susceptibility, we conducted the present meta-analysis. MATERIALS AND METHODS Literature of electronic databases including PubMed, Web of Science, EMBASE, Wanfang and Chinese National Knowledge Infrastructure (CNKI) were systematically searched. ORs and their 95%CIs were used to assess the strength of associations between ERCC4 polymorphism and cancer risk. RESULTS There was no significant association between ERCC4 rs1800067 AA or AG genotypes and overall risk of cancer (AA vs. GG: OR=0.998, 95%CI=0.670-1.486, P=0.992; AG vs. GG: OR=0.970, 95%CI=0.888- 1.061, P=0.508). A dominant genetic model also did not demonstrate significant association of (AA+AG) genotype carriers with altered risk of overall cancer (OR=0.985, 95%CI=0.909-1.068, P=0.719). In addition, no significant association was observed between A allele of ERCC4 rs1800067 A/G polymorphism and altered cancer risk compared with G allele (OR=0.952, 95%CI=0.851-1.063, P=0.381). Subgroup analysis suggested that AA genotype carriers were significantly associated with decreased risk of glioma compared with wild-type GG genotype individuals (OR=0.523, 95%CI=0.275-0.993, P=0.048). For subgroup of lung cancer, A allele of ERCC4 rs1800067 A/G polymorphism was significantly associated with decreased risk of lung cancer compared with G allele (OR=0.806, 95%CI=0.697-0.931, P=0.003). CONCLUSIONS This meta-analysis indicated that ERCC4 rs1800067 A/G polymorphism might not be associated with risk of overall cancer. However, individuals with the AA genotype were associated with significantly reduced risk of glioma compared with wild-type GG genotype; The A allele was associated with significantly reduced risk of lung cancer compared with G allele. Future large- scale studies performed in multiple populations are warranted to confirm our results.
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Affiliation(s)
- Quan Yuan
- Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang, China E-mail :
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Huang LM, Shi X, Yan DF, Zheng M, Deng YJ, Zeng WC, Liu C, Lin XD. Association between ERCC2 polymorphisms and glioma risk: a meta-analysis. Asian Pac J Cancer Prev 2014; 15:4417-22. [PMID: 24969862 DOI: 10.7314/apjcp.2014.15.11.4417] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
ERCC2 is an essential component of the nucleotide excision repair pathway which is involved in the effective maintenance of genome integrity. Association studies on ERCC2 polymorphisms and glioma risk have yielded inconclusive results. This meta-analysis was performed to gain a better insight into the relationship between ERCC2 polymorphisms and glioma risk. A systematic literature search updated to December 2, 2013 was performed in the Pubmed and EMBASE databases. Crude pooled odds ratios (ORs) with their corresponding 95% confidence intervals (95% CIs) were used to estimate the association between ERCC2 polymorphisms and glioma risk under a suitable effect model according to heterogeneity. All analyses were performed using Review Manager 5 (version 5.2) and STATA (version 12.0). The combined results demonstrated rs13181 to be significantly associated with glioma risk (G allele versus T allele: OR=1.15, 95% CI=1.05-1.26, P=0.002; dominant model: OR=1.22, 95% CI=1.07-1.39, P=0.002; recessive model: OR=1.18, 95% CI=0.98-1.41, P=0.070). We also found that rs13181 acts in an allele dose-dependent manner (GG versus TT: OR=1.30, 95% CI=1.07-1.57, P=0.009; TG versus TT: OR=1.20, 95%=CI 1.05-1.37, P=0.009; trend test, P=0.004). However, no evidence was found in analyses for the association between other 3 ERCC2 polymorphisms (rs238406, rs1799793, and rs1052555) and susceptibility to glioma development. Our meta-analysis suggests that rs13181 is significantly associated with glioma risk in an allele dose-dependent manner, whereas, 3 other ERCC2 polymorphisms (rs238406, rs1799793, and rs1052555) may have no influence.
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Affiliation(s)
- Li-Ming Huang
- Department of Chemotherapy, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China E-mail :
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Qin Q, Lu J, Zhu H, Xu L, Cheng H, Zhan L, Yang X, Zhang C, Sun X. PARP-1 Val762Ala polymorphism and risk of cancer: a meta-analysis based on 39 case-control studies. PLoS One 2014; 9:e98022. [PMID: 24853559 PMCID: PMC4031170 DOI: 10.1371/journal.pone.0098022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 04/27/2014] [Indexed: 12/18/2022] Open
Abstract
Background Poly(ADP-ribose) polymerase-1 (PARP-1) is a nuclear chromatin-associated enzyme involved in several important cellular processes, particularly in the DNA repair system. PARP-1 rs1136410: C>T is among the most studied polymorphisms and likely involved in human carcinogenesis. However, results from previous studies are inconclusive. Thus, a meta-analysis was conducted to derive a more precise estimation of the effects of this enzyme. Methodology and Principal Findings A comprehensive search was conducted in the PubMed and EMBASE databases until December 9, 2013. A total of 39 studies with 16,783 cancer cases and 23,063 control subjects were included in the meta-analysis on the basis of the inclusion and exclusion criteria. No significant association between the PARP-1 Val762Ala polymorphism and cancer risk was found when all of the studies were pooled into the analysis (VA + AA vs. VV: OR = 1.03, 95% CI = 0.95–1.11). The subgroup analysis of cancer types revealed that the –762Ala allele was associated with increased risk of gastric, cervical, and lung cancers and a decreased risk of glioma. In addition, a significantly increased risk of cancer associated with the polymorphism was observed in Asian descendents (VA + AA vs. VV: OR = 1.17, 95% CI = 1.09–1.25; AA vs. VV: OR = 1.28, 95% CI = 1.08–1.51; VA vs. VV: OR = 1.12, 95% CI = 1.04–1.20; AA vs. VA + VV: OR = 1.09, 95% CI = 1.03–1.39). These results also indicated that a joint effect between PARP-1 Val762Ala and XRCC1 Arg399Gln could be involved in the risk of cancer development (OR = 3.53, 95% CI = 1.30–9.59). Conclusion The present meta-analysis provides evidence that the PARP-1 Val762Ala may be involved in cancer development at least in some ethnic groups (Asian) or some specific cancer types (gastric, cervical, and lung cancers, and glioma).
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Affiliation(s)
- Qin Qin
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Jing Lu
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Hongcheng Zhu
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Liping Xu
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Hongyan Cheng
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Liangliang Zhan
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xi Yang
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Chi Zhang
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xinchen Sun
- Department of Radiation Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
- * E-mail:
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He XF, Liu LR, Wei W, Liu Y, Su J, Wang SL, Shen XL, Yang XB. Association between the XPG Asp1104His and XPF Arg415Gln polymorphisms and risk of cancer: a meta-analysis. PLoS One 2014; 9:e88490. [PMID: 24802942 PMCID: PMC4011698 DOI: 10.1371/journal.pone.0088490] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Accepted: 01/08/2014] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The XPG (xeroderma pigmentosum type G) Asp1104His and XPF (xeroderma pigmentosum type F) Arg415Gln polymorphisms had been implicated in cancer susceptibility. The previous published data on the association between XPG Asp1104His and XPF Arg415Gln polymorphisms and cancer risk remained controversial. METHODOLOGY/PRINCIPAL FINDINGS To derive a more precise estimation of the association between the XPG Asp1104His and XPF Arg415Gln polymorphisms and overall cancer risk, we performed a meta-analysis to investigate the association between cancer susceptibility and XPG Asp1104His (32,162 cases and 39,858 controls from 66 studies) and XPF Arg415Gln polymorphisms (17,864 cases and 20,578 controls from 32 studies) in different inheritance models. We used odds ratios with 95% confidence intervals to assess the strength of the association. Overall, significantly elevated cancer risk was found when all studies were pooled into the meta-analysis of XPG Asp1104His (dominant model: OR = 1.05, 95% CI = 1.00-1.10; Asp/His vs. Asp/Asp: OR = 1.06, 95% CI = 1.01-1.11). In the further stratified and sensitivity analyses, significantly decreased lung cancer risk was found for XPF Arg415Gln (dominant model: OR = 0.82, 95% CI = 0.71-0.96; Arg/Gln versus Arg/Arg: OR = 0.83, 95% CI = 0.71-0.97; additive model: OR = 0.83, 95% CI = 0.72-0.95) and significantly increased other cancer risk was found among hospital-based studies for XPG Asp1104His (dominant model: OR = 1.23, 95% CI = 1.02-1.49). CONCLUSIONS/SIGNIFICANCE In summary, this meta-analysis suggests that XPF Arg415Gln polymorphism may be associated with decreased lung cancer risk and XPG Asp1104His may be a low-penetrant risk factor in some cancers development. And larger scale primary studies are required to further evaluate the interaction of XPG Asp1104His and XPF Arg415Gln polymorphisms and cancer risk in specific populations.
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Affiliation(s)
- Xiao-Feng He
- Department of Research, Peace Hospital of Changzhi Medical College, Changzhi, China
| | - Li-Rong Liu
- Department of Clinical Biochemistry, Affiliated Hospital of Guiyang Medical University, Guiyang, China
| | - Wu Wei
- Department of Hematology, Peace Hospital of Changzhi Medical College, Changzhi, China
- * E-mail:
| | - Yi Liu
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jiao Su
- Department of Biological Chemistry, Changzhi Medical College, Changzhi, China
| | - Su-Lan Wang
- Department of Hematology, Peace Hospital of Changzhi Medical College, Changzhi, China
| | - Xu-Liang Shen
- Department of Hematology, Peace Hospital of Changzhi Medical College, Changzhi, China
| | - Xian-Bin Yang
- Department of Research, Peace Hospital of Changzhi Medical College, Changzhi, China
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Association of single-nucleotide polymorphisms in ERCC1 and ERCC2 with glioma risk. Tumour Biol 2014; 35:7451-7. [PMID: 24782032 DOI: 10.1007/s13277-014-1969-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 04/11/2014] [Indexed: 12/31/2022] Open
Abstract
We conducted a case-control study to assess the role of three single-nucleotide polymorphisms (SNPs) in excision repair cross-complementation group 1 (ERCC1) and two SNPs in excision repair cross-complementation group 2 (ERCC2) on the glioma risk in a Chinese population, and investigate the gene-environmental interaction for the cancer risk. A 1:2 matched case-control study was conducted. Logistic regression analysis revealed that individuals carrying ERCC1 rs2298881 CC genotype were associated with risk of glioma when compared with AA genotype carriers. The significant associations of ERCC1 rs2298881 polymorphism with glioma susceptibility were observed in both the dominant and the recessive models. In a stratification analysis, we found that ERCC1 rs2298881 variants showed an increased association with the risk of glioma in males, ever smokers, and high-grade glioma cases. In conclusion, our study suggests that ERCC1 rs2298881 polymorphism is associated with risk of glioma in codominant, dominant, and recessive models, especially in males, smokers, and high-grade glioma cases. This finding could be useful in revealing the genetic characteristics of glioma and suggests more effective strategies for prevention and treatment.
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Association of ERCC1 C8092A and ERCC2 Lys751Gln polymorphisms with the risk of glioma: a meta-analysis. PLoS One 2014; 9:e95966. [PMID: 24763305 PMCID: PMC3999106 DOI: 10.1371/journal.pone.0095966] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Accepted: 04/02/2014] [Indexed: 11/20/2022] Open
Abstract
Objectives To comprehensively evaluate the association of ERCC1 C8092A and ERCC2 Lys751Gln polymorphisms with the risk of glioma. Methods Potential studies were searched and selected through the Pubmed/MEDLINE, EMBASE, the China National Knowledge Infrastructure (CNKI) platforms, WanFang and VIP database up to June 2013. Two investigators independently reviewed full text and included studies met inclusion criteria. Combined odds ratios (ORs) and 95% confidence intervals (95% CIs) were calculated in a fixed-effects model or a random-effects model according to results of heterogeneity test. All analyses were performed by Revman 5.2 and Stata 10.0 software. Results A total of 10 studies were included in our meta-analysis, including 3,580 glioma patients and 4,728 controls. Overall, ERCC1 C8092A polymorphism was associated with the risk of glioma (AA vs. CC: OR = 1.29, 95%CI: 1.07–1.55, P = 0.01; recessive model: OR = 1.29; 95% CI: 1.07–1.55, P = 0.01). When stratified by ethnicity, significant association was only observed in the Chinese population (AA vs. CC: OR = 1.37, 95%CI: 1.03–1.81, P = 0.03; recessive model: OR = 1.34; 95% CI: 1.02–1.75, P = 0.04). For ERCC2 Lys751Gln polymorphism, no significant association was found between ERCC2 Lys751Gln polymorphism and the risk of glioma in different genetic models. A significant association of ERCC2 Lys751Gln polymorphism with the risk of glioma was identified in the Caucasian population under recessive model (OR = 0.87; 95% CI: 0.78–0.98, P = 0.02), but not in the Chinese population. Conclusion This meta-analysis suggested that the AA genotype of ERCC1 C8092A polymorphism might increase the susceptibility of glioma in the Chinese population. And the TT genotype of ERCC2 Lys751Gln polymorphism may decrease the risk of glioma in the Caucasian population. But the small number of studies and moderate methodological quality require cautious interpretation of the study results.
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Zhou JY, Shi R, Jiang L, Zeng Y, Ma WL. Letter regarding Zhu et al. entitled "Assessment of the association between XRCC1 Arg399Gln polymorphism and glioma susceptibility". Tumour Biol 2014; 35:6181-2. [PMID: 24715306 DOI: 10.1007/s13277-014-1931-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Accepted: 04/03/2014] [Indexed: 10/25/2022] Open
Affiliation(s)
- Jue-Yu Zhou
- Institute of Genetic Engineering, Southern Medical University, 1838 North Guangzhou Avenue, 510515, Guangzhou, China,
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