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Amoiridis M, Verigos J, Meaburn K, Gittens WH, Ye T, Neale MJ, Soutoglou E. Inhibition of topoisomerase 2 catalytic activity impacts the integrity of heterochromatin and repetitive DNA and leads to interlinks between clustered repeats. Nat Commun 2024; 15:5727. [PMID: 38977669 PMCID: PMC11231352 DOI: 10.1038/s41467-024-49816-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 06/14/2024] [Indexed: 07/10/2024] Open
Abstract
DNA replication and transcription generate DNA supercoiling, which can cause topological stress and intertwining of daughter chromatin fibers, posing challenges to the completion of DNA replication and chromosome segregation. Type II topoisomerases (Top2s) are enzymes that relieve DNA supercoiling and decatenate braided sister chromatids. How Top2 complexes deal with the topological challenges in different chromatin contexts, and whether all chromosomal contexts are subjected equally to torsional stress and require Top2 activity is unknown. Here we show that catalytic inhibition of the Top2 complex in interphase has a profound effect on the stability of heterochromatin and repetitive DNA elements. Mechanistically, we find that catalytically inactive Top2 is trapped around heterochromatin leading to DNA breaks and unresolved catenates, which necessitate the recruitment of the structure specific endonuclease, Ercc1-XPF, in an SLX4- and SUMO-dependent manner. Our data are consistent with a model in which Top2 complex resolves not only catenates between sister chromatids but also inter-chromosomal catenates between clustered repetitive elements.
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Affiliation(s)
- Michalis Amoiridis
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, BN1 9RH, UK
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1258, Illkirch, France
- Centre National de Recherche Scientifique (CNRS), UMR7104, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - John Verigos
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, BN1 9RH, UK
| | - Karen Meaburn
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, BN1 9RH, UK
| | - William H Gittens
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, BN1 9RH, UK
| | - Tao Ye
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Illkirch, France
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1258, Illkirch, France
- Centre National de Recherche Scientifique (CNRS), UMR7104, Illkirch, France
- Université de Strasbourg, Illkirch, France
| | - Matthew J Neale
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, BN1 9RH, UK
| | - Evi Soutoglou
- Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Brighton, BN1 9RH, UK.
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2
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Obermann R, Yemane B, Jarvis C, Franco FM, Kyriukha Y, Nolan W, Gohara B, Krezel AM, Wildman SA, Janetka JW. Small Molecule Antagonists of the DNA Repair ERCC1/XPA Protein-Protein Interaction. ChemMedChem 2024; 19:e202300648. [PMID: 38300970 PMCID: PMC11031295 DOI: 10.1002/cmdc.202300648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/03/2024]
Abstract
The DNA excision repair protein ERCC1 and the DNA damage sensor protein, XPA are highly overexpressed in patient samples of cisplatin-resistant solid tumors including lung, bladder, ovarian, and testicular cancer. The repair of cisplatin-DNA crosslinks is dependent upon nucleotide excision repair (NER) that is modulated by protein-protein binding interactions of ERCC1, the endonuclease, XPF, and XPA. Thus, inhibition of their function is a potential therapeutic strategy for the selective sensitization of tumors to DNA-damaging platinum-based cancer therapy. Here, we report on new small-molecule antagonists of the ERCC1/XPA protein-protein interaction (PPI) discovered using a high-throughput competitive fluorescence polarization binding assay. We discovered a unique structural class of thiopyridine-3-carbonitrile PPI antagonists that block a truncated XPA polypeptide from binding to ERCC1. Preliminary hit-to-lead studies from compound 1 reveal structure-activity relationships (SAR) and identify lead compound 27 o with an EC50 of 4.7 μM. Furthermore, chemical shift perturbation mapping by NMR confirms that 1 binds within the same site as the truncated XPA67-80 peptide. These novel ERCC1 antagonists are useful chemical biology tools for investigating DNA damage repair pathways and provide a good starting point for medicinal chemistry optimization as therapeutics for sensitizing tumors to DNA damaging agents and overcoming resistance to platinum-based chemotherapy.
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Affiliation(s)
| | | | - Cassie Jarvis
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - Francisco M. Franco
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - Yevhenii Kyriukha
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - William Nolan
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - Beth Gohara
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - Andrzej M. Krezel
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - Scott A. Wildman
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
| | - James W. Janetka
- Washington University School of Medicine, Department of Biochemistry and Molecular Biophysics, 660 S. Euclid Ave., Box 8231, St. Louis, MO 63110 USA
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3
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Shi R, Wang S, Jiang Y, Zhong G, Li M, Sun Y. ERCC4: a potential regulatory factor in inflammatory bowel disease and inflammation-associated colorectal cancer. Front Endocrinol (Lausanne) 2024; 15:1348216. [PMID: 38516408 PMCID: PMC10954797 DOI: 10.3389/fendo.2024.1348216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/19/2024] [Indexed: 03/23/2024] Open
Abstract
The pathogenesis of inflammatory bowel disease (IBD) remains unclear and is associated with an increased risk of developing colitis-associated cancer (CAC). Under sustained inflammatory stimulation in the intestines, loss of early DNA damage response genes can lead to tumor formation. Many proteins are involved in the pathways of DNA damage response and play critical roles in protecting genes from various potential damages that DNA may undergo. ERCC4 is a structure-specific endonuclease that participates in the nucleotide excision repair (NER) pathway. The catalytic site of ERCC4 determines the activity of NER and is an indispensable gene in the NER pathway. ERCC4 may be involved in the imbalanced process of DNA damage and repair in IBD-related inflammation and CAC. This article primarily reviews the function of ERCC4 in the DNA repair pathway and discusses its potential role in the processes of IBD-related inflammation and carcinogenesis. Finally, we explore how this knowledge may open novel avenues for the treatment of IBD and IBD-related cancer.
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Affiliation(s)
| | | | | | | | | | - Yan Sun
- *Correspondence: Yan Sun, ; Mingsong Li,
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4
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Tsukada K, Hatakeyama S, Tanaka S. DNA interstrand crosslink repair by XPF-ERCC1 homologue confers ultraviolet resistance in Neurospora crassa. Fungal Genet Biol 2023; 164:103752. [PMID: 36435348 DOI: 10.1016/j.fgb.2022.103752] [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: 06/22/2022] [Revised: 09/22/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022]
Abstract
Ultraviolet (UV) light is a mutagen that causes DNA damage. Some UV-sensitive Neurospora crassa strains have been reported to exhibit a partial photoreactivation defect (PPD) phenotype, and the possible cause of this has been unknown for more than half a century. In this study, in the process of elucidating the possible causes of a PPD phenotype, we discovered that the XPF homologue MUS-38 is involved in repairing the UV-induced DNA interstrand crosslink (ICL) in N. crassa. Furthermore, the sensitivity of the Δmus-38 and Δmus-44 strains to ICL agents was significantly higher than that of other nucleotide excision repair (NER)-related gene knockout (KO) strains, indicating that the MUS-38/MUS-44 complex is involved in an NER-independent ICL repair mechanism. Based on reports concerning the mammalian homologues XPF and ERCC1 we obtained separation-of-function mutants defective only in NER in mus-38 and mus-44. Additionally, the photoreactivation ability of these mutants was significantly higher than that of the KO strains. These results indicate that the PPD phenotype is caused by a defect in the repair-ability of ICL induced by UV and that an NER-independent ICL repair by MUS-38 and MUS-44 confers resistance to UV in N. crassa.
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Affiliation(s)
- Kotaro Tsukada
- Laboratory of Genetics, Division of Life Science, Graduate School of Science & Engineering, Saitama University, Shimo-Ohkubo 255, Sakura Ward, Saitama City, Saitama 338-8570, Japan
| | - Shin Hatakeyama
- Laboratory of Genetics, Division of Life Science, Graduate School of Science & Engineering, Saitama University, Shimo-Ohkubo 255, Sakura Ward, Saitama City, Saitama 338-8570, Japan
| | - Shuuitsu Tanaka
- Laboratory of Genetics, Division of Life Science, Graduate School of Science & Engineering, Saitama University, Shimo-Ohkubo 255, Sakura Ward, Saitama City, Saitama 338-8570, Japan.
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Association of ERCC1 rs11615 Polymorphism with the Risk of Cervical Cancer Especially in Chinese Populations: A Meta-Analysis. JOURNAL OF ONCOLOGY 2022; 2022:1790993. [PMID: 36245993 PMCID: PMC9568358 DOI: 10.1155/2022/1790993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/07/2022] [Accepted: 09/16/2022] [Indexed: 11/18/2022]
Abstract
Abnormalities of the ERCC1 gene can affect DNA repair pathways, thereby having a vital effect on genomic stability. A growing amount of case-control studies have focused on making an investigation of the association between ERCC1 rs11615 polymorphism and cervical cancer susceptibility. However, the controversial results have raised concerns. To draw a more accurate conclusion, six studies were elaborately selected from the electronic databases for this meta-analysis, with 753 cervical cancer cases and 851 healthy controls. We applied pooled ORs combined with 95% CIs to test the potential associations. Significant associations were revealed in Chinese populations (T vs C:
and
; TT vs CC:
and
; TT/CT vs CC:
and
; and TT vs CT/CC:
and
). Even when the studies deviating from HWE were excluded, an increased cervical cancer susceptibility was observed in Chinese. These results disclose that there is an obvious correlation between the risk of cervical cancer and ERCC1 rs11615 polymorphism, especially in Chinese populations, and the T variant is the risky one. Also, our findings need further studies to validate.
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Housh K, Jha JS, Haldar T, Amin SBM, Islam T, Wallace A, Gomina A, Guo X, Nel C, Wyatt JW, Gates KS. Formation and repair of unavoidable, endogenous interstrand cross-links in cellular DNA. DNA Repair (Amst) 2020; 98:103029. [PMID: 33385969 DOI: 10.1016/j.dnarep.2020.103029] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 02/08/2023]
Abstract
Genome integrity is essential for life and, as a result, DNA repair systems evolved to remove unavoidable DNA lesions from cellular DNA. Many forms of life possess the capacity to remove interstrand DNA cross-links (ICLs) from their genome but the identity of the naturally-occurring, endogenous substrates that drove the evolution and retention of these DNA repair systems across a wide range of life forms remains uncertain. In this review, we describe more than a dozen chemical processes by which endogenous ICLs plausibly can be introduced into cellular DNA. The majority involve DNA degradation processes that introduce aldehyde residues into the double helix or reactions of DNA with endogenous low molecular weight aldehyde metabolites. A smaller number of the cross-linking processes involve reactions of DNA radicals generated by oxidation.
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Affiliation(s)
- Kurt Housh
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Jay S Jha
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Tuhin Haldar
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Saosan Binth Md Amin
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Tanhaul Islam
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Amanda Wallace
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Anuoluwapo Gomina
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Xu Guo
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Christopher Nel
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Jesse W Wyatt
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States
| | - Kent S Gates
- University of Missouri, Department of Chemistry, 125 Chemistry Building, Columbia, MO 65211, United States; University of Missouri, Department of Biochemistry, Columbia, MO 65211, United States.
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7
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Functional Comparison of XPF Missense Mutations Associated to Multiple DNA Repair Disorders. Genes (Basel) 2019; 10:genes10010060. [PMID: 30658521 PMCID: PMC6357085 DOI: 10.3390/genes10010060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 11/23/2022] Open
Abstract
XPF endonuclease is one of the most important DNA repair proteins. Encoded by XPF/ERCC4, XPF provides the enzymatic activity of XPF-ERCC1 heterodimer, an endonuclease that incises at the 5’ side of various DNA lesions. XPF is essential for nucleotide excision repair (NER) and interstrand crosslink repair (ICLR). XPF/ERCC4 mutations are associated with several human diseases: Xeroderma Pigmentosum (XP), Segmental Progeria (XFE), Fanconi Anemia (FA), Cockayne Syndrome (CS), and XP/CS combined disease (XPCSCD). Most affected individuals are compound heterozygotes for XPF/ERCC4 mutations complicating the identification of genotype/phenotype correlations. We report a detailed overview of NER and ICLR functional studies in human XPF-KO (knock-out) isogenic cells expressing six disease-specific pathogenic XPF amino acid substitution mutations. Ultraviolet (UV) sensitivity and unscheduled DNA synthesis (UDS) assays provide the most reliable information to discern mutations associated with ICLR impairment from mutations related to NER deficiency, whereas recovery of RNA synthesis (RRS) assays results hint to a possible role of XPF in resolving R-loops. Our functional studies demonstrate that a defined cellular phenotype cannot be easily correlated to each XPF mutation. Substituted positions along XPF sequences are not predictive of cellular phenotype nor reflect a particular disease. Therefore, in addition to mutation type, allelic interactions, protein stability and intracellular distribution of mutant proteins may also contribute to alter DNA repair pathways balance leading to clinically distinct disorders.
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Heyza JR, Lei W, Watza D, Zhang H, Chen W, Back JB, Schwartz AG, Bepler G, Patrick SM. Identification and Characterization of Synthetic Viability with ERCC1 Deficiency in Response to Interstrand Crosslinks in Lung Cancer. Clin Cancer Res 2018; 25:2523-2536. [PMID: 30538112 DOI: 10.1158/1078-0432.ccr-18-3094] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/14/2018] [Accepted: 12/06/2018] [Indexed: 12/20/2022]
Abstract
PURPOSE ERCC1/XPF is a DNA endonuclease with variable expression in primary tumor specimens, and has been investigated as a predictive biomarker for efficacy of platinum-based chemotherapy. The failure of clinical trials utilizing ERCC1 expression to predict response to platinum-based chemotherapy suggests additional mechanisms underlying the basic biology of ERCC1 in the response to interstrand crosslinks (ICLs) remain unknown. We aimed to characterize a panel of ERCC1 knockout (Δ) cell lines, where we identified a synthetic viable phenotype in response to ICLs with ERCC1 deficiency. EXPERIMENTAL DESIGN We utilized the CRISPR-Cas9 system to create a panel of ERCC1Δ lung cancer cell lines which we characterized. RESULTS We observe that loss of ERCC1 hypersensitizes cells to cisplatin when wild-type (WT) p53 is retained, whereas there is only modest sensitivity in cell lines that are p53mutant/null. In addition, when p53 is disrupted by CRISPR-Cas9 (p53*) in ERCC1Δ/p53WT cells, there is reduced apoptosis and increased viability after platinum treatment. These results were recapitulated in 2 patient data sets utilizing p53 mutation analysis and ERCC1 expression to assess overall survival. We also show that kinetics of ICL-repair (ICL-R) differ between ERCC1Δ/p53WT and ERCC1Δ/p53* cells. Finally, we provide evidence that cisplatin tolerance in the context of ERCC1 deficiency relies on DNA-PKcs and BRCA1 function. CONCLUSIONS Our findings implicate p53 as a potential confounding variable in clinical assessments of ERCC1 as a platinum biomarker via promoting an environment in which error-prone mechanisms of ICL-R may be able to partially compensate for loss of ERCC1.See related commentary by Friboulet et al., p. 2369.
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Affiliation(s)
- Joshua R Heyza
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Wen Lei
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Donovan Watza
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Hao Zhang
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Wei Chen
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan.,Biostatistics Core, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Jessica B Back
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Ann G Schwartz
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan
| | - Gerold Bepler
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan.
| | - Steve M Patrick
- Department of Oncology, Karmanos Cancer Institute and Wayne State University, Detroit, Michigan.
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ERCC1 rs11615 polymorphism increases susceptibility to breast cancer: a meta-analysis of 4547 individuals. Biosci Rep 2018; 38:BSR20180440. [PMID: 29752341 PMCID: PMC6013698 DOI: 10.1042/bsr20180440] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/06/2018] [Accepted: 05/10/2018] [Indexed: 12/12/2022] Open
Abstract
Excision repair cross-complementation group 1 (ERCC1), a DNA repair protein, is vital for maintaining genomic fidelity and integrity. Despite the fact that a mounting body of case-control studies has concentrated on investigating the association of the ERCC1 rs11615 polymorphism and breast cancer risk, there is still no consensus on it. We conducted the current meta-analysis of all eligible articles to reach a much more explicit conclusion on this ambiguous association. A total of seven studies involving 2354 breast cancer cases and 2193 controls were elaborately selected for this analysis from the Embase, EBSCO, PubMed, WanFang, and China National Knowledge Infrastructure (CNKI) databases. Pooled odds ratios (ORs) and their 95% confidence intervals (CIs) were estimated in our meta-analysis. We found that the ERCC1 rs11615 polymorphism was significantly associated with breast cancer risk under all genetic models. When excluded, the studies that deviated from Hardy-Weinberg equilibrium (HWE), the pooled results of what remained significantly increase the risk of breast cancer under the allele model (OR = 1.14, 95% CI = 1.02-1.27, P=0.02), heterozygote model (OR = 1.24, 95% CI = 1.06-1.44, P=0.007), and dominant model (OR = 1.21, 95% CI = 1.05-1.41, P=0.01). This increased breast cancer risk was found in Asian population as well as under the heterozygote model (OR = 1.24, 95% CI = 1.05-1.48, P=0.013) and dominant model (OR = 1.20, 95% CI = 1.02-1.42, P=0.03). Our results suggest that the ERCC1 rs11615 polymorphism is associated with breast cancer susceptibility, and in particular, this increased risk of breast cancer existence in Asian population.
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