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Ye F, Xie Y, Lin M, Liu Y, Fang Y, Chen K, Zhang Y, Ding Y. KIAA1549 promotes the development and chemoresistance of colorectal cancer by upregulating ERCC2. Mol Cell Biochem 2024; 479:629-642. [PMID: 37140813 DOI: 10.1007/s11010-023-04751-x] [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: 02/01/2023] [Accepted: 04/24/2023] [Indexed: 05/05/2023]
Abstract
Colorectal cancer (CRC) is the third most commonly diagnosed cancer worldwide. Chemotherapy is the mainstay of treatment for patients with CRC in II-IV stages. Resistance to chemotherapy occurs commonly, which results in treatment failure. Therefore, the identification of novel functional biomarkers is essential for recognizing high-risk patients, predicting recurrence, and developing new therapeutic strategies. Herein, we assessed the roles of KIAA1549 in promoting tumor development and chemoresistance in colorectal cancer. As a result, we found that KIAA1549 expression is up-regulation in CRC. Public databases revealed a progressive up-regulation of KIAA1549 expression from adenomas to carcinomas. Functional characterization uncovered that KIAA1549 promotes tumor malignant phenotypes and boosts the chemoresistance of CRC cells in an ERCC2-dependent manner. Inhibition of KIAA1549 and ERCC2 effectively enhanced the sensitivity to chemotherapeutic drugs oxaliplatin and 5-fluorouracil. Our findings suggest that endogenous KIAA1549 might function as a tumor development-promoting role and trigger chemoresistance in colorectal cancer partly by upregulating DNA repair protein ERCC2. Hence, KIAA1549 could be an effective therapeutic target for CRC and inhibition of KIAA1549 combined with chemotherapy might be a potential therapeutic strategy in the future.
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Affiliation(s)
- Feng Ye
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yuwen Xie
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Mingdao Lin
- Department of General Surgery & Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, The First School of Clinical Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yang Liu
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yuan Fang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Keli Chen
- Huiqiao Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yaowei Zhang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yi Ding
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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Das AP, Saini S, Tyagi S, Chaudhary N, Agarwal SM. Elucidation of Increased Cervical Cancer Risk Due to Polymorphisms in XRCC1 (R399Q and R194W), ERCC5 (D1104H), and NQO1 (P187S). Reprod Sci 2023; 30:1118-1132. [PMID: 36195778 DOI: 10.1007/s43032-022-01096-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 09/22/2022] [Indexed: 10/10/2022]
Abstract
Genetic variations like single nucleotide polymorphisms (SNPs) are associated with cervical carcinogenesis. In this study, SNPs have been identified that contribute toward changes in the function and stability of the proteins and show association with cervical cancer. Initially, literature mining identified 114 protein-coding polymorphisms with population-based evidence in cervical cancer. Subsequently, the functional assessment was performed using sequence-dependent tools, and thereafter, protein stability was analyzed using sequence and structural data. Twenty-three non-synonymous SNPs (nsSNPs) found to be damaging and destabilizing were then analyzed to check their risk association at the population level. The meta-analysis indicated that polymorphisms in DNA damage repair genes XRCC1 (rs25487 and rs1799782), ERCC5 (rs17655), and oxidative stress-related gene NQO1 (rs1800566) are significantly associated with increased cervical cancer risk. The XRCC1 rs25487 and rs1799782 polymorphisms showed the highest risk of cervical cancer in the homozygous model having odds ratio (OR) = 1.85, 95% confidence interval (CI) = 1.17-2.92, p = 0.01, and recessive model with OR = 1.81, 95% CI = 1.01-3.24, and p = 0.04 respectively. Similarly, rs17655 polymorphism of ERCC5 and rs1800566 polymorphism of NQO1 showed the highest pooled OR in the homozygous (OR = 1.70, 95% CI = 1.32-2.19, p = 0.00004) and heterozygous model (OR = 1.3, 95% CI = 1.06-1.58, p = 0.01) respectively. Thus, in this study, a comprehensive collection of nsSNPs was collated and assessed, leading to the identification of polymorphisms in DNA damage repair and oxidative stress-related genes, that destabilize the protein and shows increased risk associated with cervical cancer.
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Affiliation(s)
- Agneesh Pratim Das
- Bioinformatics Division, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector-39, Noida, 201301, Uttar Pradesh, India
| | - Sandeep Saini
- Bioinformatics Division, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector-39, Noida, 201301, Uttar Pradesh, India
| | - Shrishty Tyagi
- Multanimal Modi College, CCS University, Modinagar, 201204, India
| | - Nisha Chaudhary
- Multanimal Modi College, CCS University, Modinagar, 201204, India
| | - Subhash Mohan Agarwal
- Bioinformatics Division, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector-39, Noida, 201301, Uttar Pradesh, India.
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Association of nonsynonymous SNPs of nucleotide excision repair genes ERCC4 rs1800067 (G/A) and ERCC5 rs17655 (G/C) as predisposing risk factors for gallbladder cancer. Dig Liver Dis 2022; 54:1533-1540. [PMID: 35780063 DOI: 10.1016/j.dld.2022.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/28/2022] [Accepted: 06/13/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Deregulation of DNA repair mechanisms have been frequently demonstrated in the pathology of cancers including gallbladder cancer. AIM We aimed to investigate the association of ERCC4 rs1800067 (G/A) and ERCC5 rs17655 (G/C) with the predisposition in gallbladder cancer and its prognosis. We have also investigated the prognostic and diagnostic values of expression profiles of ERCC4 and ERCC5 in GBC. METHODS Polymorphisms of rs1800067 and rs17655 were genotyped by PCR-RFLP. The expression of these genes was analyzed by semi-quantitative PCR. Overall survival was analyzed using Kaplan-Meier plot and cox-regression analysis. RESULTS Patients with risk group genotypes of rs17655 have shorter overall survival in patients with presence of gallstone, T1+T2 tumor invasion, absence of lymph node involvement and early stages of tumor. Homozygous wild genotype (GG) of rs1800067 and homozygous mutant genotype (CC) of rs17655 together increases two-fold risk of the disease. The variant genotypes (GC/CC) of rs17655 show significantly higher level of ERCC5 expression. CONCLUSION Major allele of ERCC4 rs1800067 and minor allele of ERCC5 rs17655 are significantly associated with increased risk of GBC. Upregulation of ERCC4 and ERCC5 is an early event of development of GBC.
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Shao X, Yang X, Liu Y, Song Q, Pan X, Chen W, Jiang W, Xu D, Song Y, Chen R. Genetic polymorphisms in DNA repair genes and their association with risk of cervical cancer: A systematic review and meta-analysis. J Obstet Gynaecol Res 2022; 48:2405-2418. [PMID: 35732591 DOI: 10.1111/jog.15325] [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: 06/21/2021] [Revised: 03/05/2022] [Accepted: 05/29/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND There have been a large number of epidemiologic studies regarding the association between genetic polymorphisms in DNA repair genes and onset of cervical cancer. However, results are inconsistent. METHODS Articles published before June 2021 and regarding genetic polymorphisms in DNA repair genes and cervical cancer were searched in following databases: PubMed, Web of Science, Google Scholar, and CNKI. With at least three articles for each polymorphism, we made meta-analysis to compute multivariate odds ratios (ORs) and their 95% confidence intervals (CIs). RESULTS The present study showed significant associations between XRCC1 Arg399Gln polymorphisms and risk of cervical cancer in Asian, whereas no significant association between them were showed in Caucasian (Asian: GA vs. GG: OR = 1.27, 95%CI 1.06-1.52; AA vs. GG: OR = 1.91, 95%CI 1.29-2.83; GA + AA vs. GG: OR = 1.36, 95%CI 1.12-1.65; AA vs. GG + GA: OR = 1.66, 95%CI 1.17-2.37; Caucasian: GA vs. GG: OR = 1.08, 95%CI 0.83-1.41; AA vs. GG: OR = 2.18, 95%CI 0.75-6.31; GA + AA vs. GG: OR = 1.23, 95%CI 0.85-1.78; AA vs. GG + GA: OR = 1.70, 95%CI 0.69-4.18). In addition, there were significant associations between ERCC2 rs13181 polymorphisms and risk of cervical cancer in Asian (AC vs AA: OR = 0.53, 95%CI 0.37-0.75, I2 = 0.0%, p value of Q test = 0.847; AC + CC vs AA: OR = 0.50, 95%CI 0.36-0.70, I2 = 0.0%, p value of Q test = 0.856). CONCLUSIONS The meta-analysis showed that there were significant associations between XRCC1 Arg399Gln and ERCC2 rs13181 polymorphisms and risk of cervical cancer.
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Affiliation(s)
- Xueting Shao
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.,Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Xiaole Yang
- Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Ying Liu
- Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Qingxia Song
- Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Xin Pan
- Department of Gynaecology and Obstetrics, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Wansu Chen
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.,Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Wei Jiang
- Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Dan Xu
- Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Yuanyuan Song
- Department of Gynaecology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Renshou Chen
- Institute of Traditional Chinese Medicine Literature, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
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Zhang XQ, Li L. A meta-analysis of XRCC1 single nucleotide polymorphism and susceptibility to gynecological malignancies. Medicine (Baltimore) 2021; 100:e28030. [PMID: 34918657 PMCID: PMC8677953 DOI: 10.1097/md.0000000000028030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 11/11/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Gynecological malignant tumor is a serious threat to women's health, cervical cancer, endometrial cancer and ovarian cancer are the most common. The eponymous protein encoded by the XRCC1 (X-ray repair cross complementation 1) gene is an important functional protein in the process of single-stranded DNA damage. Non-synonymous mutations of XRCC1 gene cause amino acid sequence changes that affect protein function and DNA repair ability, and may affect the interaction with other DNA repair proteins, leading to increased risk of tumor development. Many studies have assessed the association between XRCC1 gene polymorphism and the risk of cancer in the female reproductive system, but the results have been inconclusive. In this study, the relationship between XRCC1 Arg399Gln, Arg194Trp, Arg280His single nucleotide polymorphisms and susceptibility to gynecological malignancies was further explored by meta-analysis. METHODS English database: Pubmed, Medline, Excerpta Medica Database, Cochrance, etc; Chinese database: China national knowledge infrastructure, Wanfang Database, etc. STATA14 was used for statistical analysis, such as odd ratio (OR) value, subgroup analysis, heterogeneity test, sensitivity analysis, and publication bias. RESULTS In gynecologic cancers, the allele frequency difference of Arg399Gln case control group was statistically significant (GvsA: P = .007). There was no significant difference in allele frequency in the Arg194Trp and Arg280His case control groups (P = .065, 0.198). In different gene models, Arg399Gln was significantly correlated with gynecologic cancers susceptibility (GGvs AA: OR 0.91; 95% confidence interval [CI], 0.85 0.98); Arg194Trp was significantly correlated with gynecologic cancers susceptibility (CCvs TT: OR 0.94; 95% CI 0.88,1.00; CCvs CT: OR 0.97; 95% CI 0.90, 1.05); Arg280His was significantly correlated with gynecologic cancers susceptibility (GGvs AA: OR 0.98; 95% CI 0.94, 1.02; GGvs GA: OR 1.00;95% CI 0.97, 1.04). In the subgroup analysis, Arg399Gln and Arg194Trp were significantly correlated with gynecologic cancers susceptibility in the Asian race (P = .000, 0.049). In the analysis of different cancer subgroups, Arg399Gln and cervical cancer susceptibility were statistically significant (P = .039). Arg194Trp and endometrial cancer susceptibility were statistically significant (P = .033, 0.001). CONCLUSIONS XRCC1 Arg399Gln, Arg194Trp, Arg280His single nucleotide polymorphisms were associated with gynecologic cancer susceptibility. Arg399Gln genotype was statistically significant in relation to cervical cancer susceptibility. Arg194Trp genotype was statistically significant in relation to endometrial cancer susceptibility.
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Mio C, Verrienti A, Pecce V, Sponziello M, Damante G. Rare germline variants in DNA repair-related genes are accountable for papillary thyroid cancer susceptibility. Endocrine 2021; 73:648-657. [PMID: 33821390 PMCID: PMC8325654 DOI: 10.1007/s12020-021-02705-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 03/19/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Understanding the molecular mechanisms underlying papillary thyroid cancer (PTC) proved to be vital not only for diagnostic purposes but also for tailored treatments. Despite the strong evidence of heritability, only a small subset of alterations has been implicated in PTC pathogenesis. To this reason, we used targeted next-generation sequencing (NGS) to identify candidate variants implicated in PTC pathogenesis, progression, and invasiveness. METHODS A total of 42 primary PTC tissues were investigated using a targeted next-generation sequencing (NGS) panel enlisting 47 genes involved in DNA repair and tumor progression. RESULTS We identified 57 point mutations in 78.5% of samples (n = 32). Thirty-two somatic mutations were identified exclusively in known thyroid cancer genes (BRAF, KRAS, NRAS, and TERT). Unpredictably, 45% of the all identified mutations (n = 25) resulted to be germline, most affecting DNA repair genes. Interestingly, none of the latter variants was in the main population databases. Following ACMG classification, 20% of pathogenic/likely pathogenic and 68% of variant of unknown significance were identified. CONCLUSIONS Overall, our results support the hypothesis that rare germline variants in DNA repair genes are accountable for PTC susceptibility. More data, including the segregation analysis in affected families, should be collected before definitely annotate these alterations and to establish their potential prognostic and treatment implications.
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Affiliation(s)
- Catia Mio
- Department of Medicine, University of Udine, 33100, Udine, Italy.
| | - Antonella Verrienti
- Department of Translational and Precision Medicine, "Sapienza" University of Rome, 00161, Rome, Italy
| | - Valeria Pecce
- Department of Translational and Precision Medicine, "Sapienza" University of Rome, 00161, Rome, Italy
| | - Marialuisa Sponziello
- Department of Translational and Precision Medicine, "Sapienza" University of Rome, 00161, Rome, Italy
| | - Giuseppe Damante
- Department of Medicine, University of Udine, 33100, Udine, Italy
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Joo J, Omae Y, Hitomi Y, Park B, Shin HJ, Yoon KA, Sawai H, Tsuiji M, Hayashi T, Kong SY, Tokunaga K, Kim JY. The association of integration patterns of human papilloma virus and single nucleotide polymorphisms on immune- or DNA repair-related genes in cervical cancer patients. Sci Rep 2019; 9:13132. [PMID: 31511581 PMCID: PMC6739467 DOI: 10.1038/s41598-019-49523-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 08/24/2019] [Indexed: 11/24/2022] Open
Abstract
The present study investigated the association between single nucleotide polymorphisms (SNPs) in immune- or DNA repair-related genes and the integration pattern of human papillomavirus (HPV), a promising prognostic marker in cervical cancer. The HPV integration patterns of cervical cancer patients were determined by polymerase chain reaction and in situ hybridization, and categorized as episomal (group A), single-copy or multi-copy tandem repetition integrated (group B), and undetectable HPV types (group C). After sample and SNP quality control, 166,505 SNPs in 161 samples (38, 111, and 12 patients in groups A, B, and C, respectively) were examined. None of the SNPs reached genome-wide significance, and several candidate SNPs for future study were selected, including rs10999435 on chromosome 10q22, rs1322054 on chromosome 9q32-33, and rs10902171 on chromosome 11p15. Luciferase assay identified rs1322054 as the primary functional variant to regulate gene expression in immune cell. Further studies are needed to determine the genetic background of different integration patterns of HPV in cervical cancer patients.
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Affiliation(s)
- Jungnam Joo
- Biometrics Research Branch, National Cancer Center, Goyang, Korea
| | - Yosuke Omae
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Genome Medical Science Project (Toyama), National Center for Global Health and Medicine (NCGM), Tokyo, Japan
| | - Yuki Hitomi
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Boram Park
- Biometrics Research Branch, National Cancer Center, Goyang, Korea
| | - Hye-Jin Shin
- Particle Therapy Research Branch, National Cancer Center, Goyang, Korea
| | - Kyong-Ah Yoon
- College of Veterinary Medicine, Konkuk University, Seoul, Korea
- Center for Breast Cancer, National Cancer Center, Goyang, Korea
| | - Hiromi Sawai
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Makoto Tsuiji
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Tomonori Hayashi
- Department of Radiobiology and Molecular Epidemiology, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Sun-Young Kong
- Translational Research Branch, National Cancer Center, Goyang, Korea
| | - Katsushi Tokunaga
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Genome Medical Science Project (Toyama), National Center for Global Health and Medicine (NCGM), Tokyo, Japan
| | - Joo-Young Kim
- Particle Therapy Research Branch, National Cancer Center, Goyang, Korea.
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Saini N, Gordenin DA. Somatic mutation load and spectra: A record of DNA damage and repair in healthy human cells. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2018; 59:672-686. [PMID: 30152078 PMCID: PMC6188803 DOI: 10.1002/em.22215] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 06/07/2018] [Accepted: 06/11/2018] [Indexed: 05/31/2023]
Abstract
Somatic genome instability is a hallmark of cancer genomes and has been linked to aging and a variety of other pathologies. Large-scale cancer genome and exome sequencing have revealed that mutation load and spectra in cancers can be influenced by environmental exposures, the anatomical site of exposures, and tissue type. There is now an abundance of data favoring the hypothesis that a substantial portion of the mutations in cancers originate prior to carcinogenesis in stem cells of the healthy individual. Rapid advances in sequencing of noncancer cells from healthy humans have shown that their mutation loads and spectra resemble cancer data. Similar to cancer genomes, mutation profiles of healthy cells show marked intra-individual variation, thus providing a metric of the various factors-environmental and endogenous-involved in mutagenesis in these individuals. This review focuses on the current methodologies to measure mutation loads and to determine mutation signatures for evaluating the environmental and endogenous sources of DNA damage in human somatic cells. We anticipate that in future, such large-scale studies aimed at exploring the landscapes of somatic mutations across different cell types in healthy people would provide a valuable resource for designing personalized preventative strategies against diseases associated with somatic genome instability. Environ. Mol. Mutagen. 59:672-686, 2018. Published 2018. This article is a U.S. Government work and is in the public domain in the USA.
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Affiliation(s)
- Natalie Saini
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, US National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Dmitry A. Gordenin
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, US National Institutes of Health, Research Triangle Park, North Carolina, USA
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Pongsavee M, Wisuwan K. ERCC5 rs751402 polymorphism is the risk factor for sporadic breast cancer in Thailand. INTERNATIONAL JOURNAL OF MOLECULAR EPIDEMIOLOGY AND GENETICS 2018; 9:27-33. [PMID: 30245779 PMCID: PMC6146168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 06/15/2018] [Indexed: 06/08/2023]
Abstract
Breast cancer is a complex disease. Single Nucleotide Polymorphisms (SNPs) can modify the risk of cancer. They may be regarded as potential markers of carcinogenesis. Currently, the diversity or polymorphism of ERCC5 gene (excision repair cross-complementary group 5 gene or ERCC5) was reported to associate with an increased risk of breast cancer. This study aims to investigate the relationship between ERCC5 polymorphism and the breast cancer risk in the lower northeastern region women of Thailand. One hundred fifty five samples from breast cancer patients and 122 samples from healthy control group were analysed. Genomic DNA was extracted from white blood cell of all samples. The real-time polymerase chain reaction (qPCR) was used to demonstrate genetic polymorphism of ERCC5. The results showed that the ERCC5 rs751402 polymorphism variant AG was associated with an increased risk of breast cancer. The frequency of ERCC5 rs751402 in patients with breast cancer was higher than healthy control group. The ERCC5 rs751402 variant AG carrier was associated with increased breast cancer risk to 2.3 folds, with OR = 2.30, 95% CI = 1.22-4.35, P = 0.01, when age, menopause period, number of child, smoking and alcohol drinking were adjust. This study demonstrated that ERCC5 rs751402 genotype AG was associated with breast cancer risk in the lower northeastern region women of Thailand.
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Affiliation(s)
- Malinee Pongsavee
- Department of Medical Technology, Faculty of Allied Health Sciences, Thammasat University, Rangsit CampusPatumthani 12121, Thailand
| | - Kamol Wisuwan
- Department of Pathology, Ubonratchathani Cancer HospitalUbonratchathani, Thailand
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Sahan AZ, Hazra TK, Das S. The Pivotal Role of DNA Repair in Infection Mediated-Inflammation and Cancer. Front Microbiol 2018; 9:663. [PMID: 29696001 PMCID: PMC5904280 DOI: 10.3389/fmicb.2018.00663] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 03/21/2018] [Indexed: 12/19/2022] Open
Abstract
Pathogenic and commensal microbes induce various levels of inflammation and metabolic disease in the host. Inflammation caused by infection leads to increased production of reactive oxygen species (ROS) and subsequent oxidative DNA damage. These in turn cause further inflammation and exacerbation of DNA damage, and pose a risk for cancer development. Helicobacter pylori-mediated inflammation has been implicated in gastric cancer in many previously established studies, and Fusobacterium nucleatum presence has been observed with greater intensity in colorectal cancer patients. Despite ambiguity in the exact mechanism, infection-mediated inflammation may have a link to cancer development through an accumulation of potentially mutagenic DNA damage in surrounding cells. The multiple DNA repair pathways such as base excision, nucleotide excision, and mismatch repair that are employed by cells are vital in the abatement of accumulated mutations that can lead to carcinogenesis. For this reason, understanding the role of DNA repair as an important cellular mechanism in combatting the development of cancer will be essential to characterizing the effect of infection on DNA repair proteins and to identifying early cancer biomarkers that may be targeted for cancer therapies and treatments.
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Affiliation(s)
- Ayse Z Sahan
- Department of Pathology, University of California, San Diego, San Diego, CA, United States
| | - Tapas K Hazra
- Department of Internal Medicine, University of Texas Medical Branch, Galveston, TX, United States
| | - Soumita Das
- Department of Pathology, University of California, San Diego, San Diego, CA, United States
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