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Jalilvand A, Yari K, Aznab M, Rahimi Z, Salahshouri Far I, Mohammadi P. A case-control study on the SNP309T → G and 40-bp Del1518 of the MDM2 gene and a systematic review for MDM2 polymorphisms in the patients with breast cancer. J Clin Lab Anal 2020; 34:e23529. [PMID: 32951271 PMCID: PMC7755803 DOI: 10.1002/jcla.23529] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE The current research was conducted to study the association between the SNP309 and del1518 polymorphisms with the breast cancer in the patients with the Kurdish ethnic background from western Iran. Also, a systematic review of the relevant case-control studies on the MDM2 polymorphisms in the patients with breast cancer was performed. METHODOLOGY Two mL of peripheral blood was taken from 100 patients with breast cancer and 100 healthy individuals. The frequencies of MDM2 SNP309 and del1518 genotypes and alleles were determined using the PCR-RFLP and PCR methods, respectively. RESULTS The frequency of the TT, TG, and GG of MDM2-SNP309 genotypes in the patients was obtained as 23%, 52%, and 25%, and they were equal to 22%, 40%, and 38% in the control group, respectively. Also, considering the MDM2-del1518 polymorphism, the frequencies of ins/ins, ins/del, and del/del genotypes were equal to 52%, 41%, and 7% in the breast cancer group and they were equal to 62, 30, and 8% in the control group, respectively. Analysis of the results indicated that the GG genotype plays a protective role for the breast cancer in the recessive model (GG vs TT + TG) of SNP309 (χ2 = 3.916, P = .048, and OR = 0.54). CONCLUSION Our findings revealed that the GG genotype of MDM2-SNP309 can play a protective role in the breast cancer disease. Also, our systematic review indicated that the SNP309, SNP285, and del1518 of MDM2 gene in different populations mostly did not have a significant association with the risk of breast cancer.
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Affiliation(s)
- Amin Jalilvand
- Medical Biology Research CenterHealth Technology InstituteKermanshah University of Medical SciencesKermanshahIran
| | - Kheirollah Yari
- Medical Biology Research CenterHealth Technology InstituteKermanshah University of Medical SciencesKermanshahIran
- Zagros Bioidea CoRazi University IncubatorKermanshahIran
| | - Mozaffar Aznab
- Department of Internal MedicineMedical Oncologist‐HematologistKermanshah University of Medical SciencesKermanshahIran
| | - Zohreh Rahimi
- Medical Biology Research CenterHealth Technology InstituteKermanshah University of Medical SciencesKermanshahIran
| | - Iman Salahshouri Far
- Department of Biology, Science and Research BranchIslamic Azad UniversityTehranIran
| | - Pantea Mohammadi
- Medical Biology Research CenterHealth Technology InstituteKermanshah University of Medical SciencesKermanshahIran
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Pouladi N, Abdolahi S, Farajzadeh D, Feizi MAHP. Association of the 17p13.1 region gene variants rs1042522 and rs2287499 with risk of breast cancer in Iranian-Azeri population. Meta Gene 2019. [DOI: 10.1016/j.mgene.2018.11.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Lilyquist J, Ruddy KJ, Vachon CM, Couch FJ. Common Genetic Variation and Breast Cancer Risk-Past, Present, and Future. Cancer Epidemiol Biomarkers Prev 2018; 27:380-394. [PMID: 29382703 PMCID: PMC5884707 DOI: 10.1158/1055-9965.epi-17-1144] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/05/2018] [Accepted: 01/11/2018] [Indexed: 11/16/2022] Open
Abstract
Breast cancer is the most common cancer among women in the United States, with up to 30% of those diagnosed displaying a family history of breast cancer. To date, 18% of the familial risk of breast cancer can be explained by SNPs. This review summarizes the discovery of risk-associated SNPs using candidate gene and genome-wide association studies (GWAS), including discovery and replication in large collaborative efforts such as The Collaborative Oncologic Gene-environment Study and OncoArray. We discuss the evolution of GWAS studies, efforts to discover additional SNPs, and methods for identifying causal variants. We summarize findings associated with overall breast cancer, pathologic subtypes, and mutation carriers (BRCA1, BRCA2, and CHEK2). In addition, we summarize the development of polygenic risk scores (PRS) using the risk-associated SNPs and show how PRS can contribute to estimation of individual risks for developing breast cancer. Cancer Epidemiol Biomarkers Prev; 27(4); 380-94. ©2018 AACRSee all articles in this CEBP Focus section, "Genome-Wide Association Studies in Cancer."
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Affiliation(s)
- Jenna Lilyquist
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | | | - Celine M Vachon
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | - Fergus J Couch
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota.
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
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Yadav P, Masroor M, Tanwer K, Mir R, Javid J, Ahmad I, Zuberi M, Kaza RCM, Jain SK, Khurana N, Ray PC, Saxena A. Clinical significance of TP53 (R72P) and MDM2 (T309G) polymorphisms in breast cancer patients. Clin Transl Oncol 2016; 18:728-734. [PMID: 26553387 DOI: 10.1007/s12094-015-1425-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 10/08/2015] [Indexed: 12/16/2022]
Abstract
INTRODUCTION TP53 gene is the most frequently altered tumor suppressor gene in breast cancer. It has been observed that MDM2 plays a central role in regulating the TP53 pathway. This study aimed to investigate the role of TP53 Arg72Pro and MDM2 T309G polymorphisms in breast cancer patients. MATERIAL AND METHOD The TP53 (Arg72Pro) and MDM2 (T309G) polymorphisms were studied in a hospital-based case control study by AS-PCR in 100 breast cancer patients and 100 healthy control subjects. RESULTS It was observed that TP53 Arg72Pro polymorphism was significantly associated with breast cancer (χ (2) = 9.92, p = 0.007). A significantly increased breast cancer risk was associated with the Proline allele [odds ratio 1.84 (95 % CI: 1.22-2.77), risk ratio 1.34 (95 % CI: 1.11-1.63), p value 0.003], HER2/neu status (p = 0.01) and distant metastasis (p = 0.05). On the other hand, we have found a significant correlation between MDM2 (T309G) polymorphism with HER2/neu status (χ (2) = 11.14, p = 0.003) and distant metastasis (p value = 0.04). CONCLUSION Our finding suggests that TP53 (Arg72Pro) polymorphism may play a significant role as risk factor for breast cancer in north Indian breast cancer patients. While MDM2 (T309G) polymorphism may not be directly associated with the risk of breast cancer occurrence in the same population, but it may play role in disease progression by triggering TP53.
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Affiliation(s)
- P Yadav
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India
| | - M Masroor
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India
| | - K Tanwer
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India
| | - R Mir
- Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - J Javid
- Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - I Ahmad
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India
| | - M Zuberi
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India
| | - R C M Kaza
- Department of Surgery, Maulana Azad Medical College and Associated Hospitals, New Delhi, India
| | - S K Jain
- Department of Surgery, Maulana Azad Medical College and Associated Hospitals, New Delhi, India
| | - N Khurana
- Department of Pathology, Maulana Azad Medical College and Associated Hospitals, New Delhi, India
| | - P C Ray
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India
| | - A Saxena
- Department of Biochemistry, Maulana Azad Medical College and Associated Hospitals, New Delhi, 110002, India.
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Arcand SL, Akbari MR, Mes-Masson AM, Provencher D, Foulkes WD, Narod SA, Tonin PN. Germline TP53 mutational spectrum in French Canadians with breast cancer. BMC MEDICAL GENETICS 2015; 16:24. [PMID: 25925845 PMCID: PMC4436120 DOI: 10.1186/s12881-015-0169-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 03/27/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND Specific germline mutations in the hereditary breast-ovarian cancer susceptibility (HBC/HBOC) genes, BRCA1, BRCA2 and PALB2, have been shown to recur in French Canadians of Quebec, Canada, and this has been attributed to common ancestors. Germline TP53 mutation carriers are known to segregate in Li-Fraumeni syndrome families, which feature young age of onset breast cancer. We have reported rare TP53 mutation carriers in French Canadian HBC families, though none recurred possibly due to the limited number of cancer families investigated. Here we describe TP53 germline mutations found in French Canadian cancer families provided from hereditary cancer clinics; investigate 37 new BRCA1 and BRCA2 mutation-negative HBC/HBOC families for the TP53 mutations; and assess the frequency of TP53 mutations in a 1235 French Canadian breast cancer cases not selected for family history of cancer. METHODS TP53 mutation-positive pedigrees from French Canadian cancer families were provided from local hereditary cancer clinics. Bidirectional Sanger sequencing of all protein encoding exons of TP53 was performed using peripheral blood lymphocyte DNA from breast/ovarian cancer probands from 37 HBC/HBOC families of French Canadian descent. Targeted bidirectional Sanger sequencing assay of regions containing the identified TP53 mutations was performed on 1235 French Canadian breast cancer cases not selected for family history cancer. RESULTS Five new TP53 mutations were identified in six pedigrees from hereditary cancer clinics. No deleterious mutations were identified in cancer probands from 37 HBC/HBOC families. A targeted mutation screen of the 1235 breast cancer cases identified a c.844C>T [p.Arg282Trp] mutation carrier. This mutation was also found among the six mutation-positive cancer families provided by the local hereditary cancer clinics. The targeted screen also uncovered a new TP53 mutation, c.685T>C [p.Cys229Arg] that was found in two breast cancer cases. All TP53 mutation carriers were among the 656 women with breast cancer diagnosed less than 50 years of age. CONCLUSIONS In all six new TP53 mutations were identified in French Canadians, where two each occurred in independently ascertained cases/families. Although all newly identified breast cancer mutation carriers reported a family history of cancer, none were consistent with features of Li-Fraumeni syndrome families.
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Affiliation(s)
- Suzanna L Arcand
- Cancer Research Program, The Research Institute of the McGill University Health Centre, 1001 Decarie Boulevard, E02.6217, Montreal, Quebec, H4A 3J1, Canada.
| | - Mohammed R Akbari
- Women's College Research Institute, Women's College Hospital, and University of Toronto, Toronto, Ontario, Canada.
| | - Anne-Marie Mes-Masson
- Département de médecine, Université de Montréal, Montreal, Quebec, Canada.
- Centre de recherche du Centre hospitalier de l'Université de Montréal et Institut du cancer de Montréal, Montreal, Quebec, Canada.
| | - Diane Provencher
- Centre de recherche du Centre hospitalier de l'Université de Montréal et Institut du cancer de Montréal, Montreal, Quebec, Canada.
- Division de gynécologie oncologique Université de Montréal, Montreal, Quebec, Canada.
| | - William D Foulkes
- Cancer Research Program, The Research Institute of the McGill University Health Centre, 1001 Decarie Boulevard, E02.6217, Montreal, Quebec, H4A 3J1, Canada.
- Lady Davis Institute of the Jewish General Hospital, Montreal, Quebec, Canada.
- Program in Cancer Genetics, Departments of Oncology, Human Genetics and Medicine, McGill University, Quebec, Canada.
| | - Steven A Narod
- Women's College Research Institute, Women's College Hospital, and University of Toronto, Toronto, Ontario, Canada.
| | - Patricia N Tonin
- Cancer Research Program, The Research Institute of the McGill University Health Centre, 1001 Decarie Boulevard, E02.6217, Montreal, Quebec, H4A 3J1, Canada.
- Program in Cancer Genetics, Departments of Oncology, Human Genetics and Medicine, McGill University, Quebec, Canada.
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Shao A, Zheng L, Chen S, Gu H, Jing H. p21, p53, TP53BP1 and p73 polymorphisms and the risk of gastric cardia adenocarcinoma in a Chinese population. Biomarkers 2014; 20:109-15. [PMID: 25532599 DOI: 10.3109/1354750x.2014.996607] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Gastric cardia adenocarcinoma (GCA) is one of the most common malignant tumors and among the leading causes of cancer-related death. Genetic factors might play an important role in GCA carcinogenesis. Here, we performed a hospital-based case-control study to evaluate the effect of functional p21, p53, TP53BP1 and p73 single nucleotide polymorphisms (SNPs) on the risk of GCA. The study included 330 GCA cases and 608 controls. Genotypes were determined using the ligation detection reaction (LDR) method. The p21 rs1059234 TT, p21 rs3176352 GC/CC, p21 rs762623 GA and TP53BP1 rs560191 CC genotypes were associated with the risk of GCA, and a genotype combination effect was observed. After Bonferroni correction, the association remained significant for TP53BP1 rs560191 G > C, whereas the remaining four SNPs showed no association between the polymorphisms and GCA risk in all comparison models. Further large replication studies are needed to confirm the present findings.
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Affiliation(s)
- Aizhong Shao
- Medical School of Nanjing University , Nanjing, Jiangsu , China
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Gonçalves ML, Borja SM, Cordeiro JABL, Saddi VA, Ayres FM, Vilanova-Costa CAST, Silva AMTC. Association of the TP53 codon 72 polymorphism and breast cancer risk: a meta-analysis. SPRINGERPLUS 2014; 3:749. [PMID: 26034701 PMCID: PMC4447735 DOI: 10.1186/2193-1801-3-749] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 11/11/2014] [Indexed: 01/10/2023]
Abstract
This study was conducted in order to investigate the implications of the R72P polymorphism in the TP53 gene in breast cancer risk. The enlightenment of this matter might provide a piece of information about the potential implications of this polymorphism in patient risk. A meta-analysis was conducted considering a large sample size from studies with conflicting results on the R72P polymorphism in breast cancer patients. Relevant studies were selected from PubMed and SciELO databases for data extraction and statistical analysis. Database was built according to the continent and considering the genotype frequencies, sample size and genotyping methodology. The dominant models (RR vs RP + PP and RR + RP vs. PP), homozygous (RR vs. PP), heterozygous (RR vs. RP and RP vs. PP) and the allele (R vs. P) were used. Genotype frequencies were summarized and evaluated by χ2 test of heterogeneity in 2×2 contingency tables with 95% CIs. Odds Ratios (OR) were calculated with a fixed-effect model (Mantel-Haenszel) or a random-effect model (DerSimonian-Laird) if the studies were considered homogeneous (P > 0.05) or heterogeneous (P < 0.05), respectively, using BioEstat® 5.0 software. Supported by a large sample size composed by 25,629 cases and 26,633 controls from 41 studies, we found significant association between the R72P polymorphism in the TP53 gene and the breast cancer risk. The overall data shows an increased risk due to the P allele dominant model, but not in Asia where the risk was associated with the R allele and R dominant model.
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Affiliation(s)
- Meire Luzia Gonçalves
- Departamento de Medicina, Pontifícia Universidade Católica de Goiás, Av. Universitária 1.069, Setor Universitário, Goiânia, Goiás CEP 74.605-010 Brazil
| | - Sarah Moreira Borja
- Departamento de Medicina, Pontifícia Universidade Católica de Goiás, Av. Universitária 1.069, Setor Universitário, Goiânia, Goiás CEP 74.605-010 Brazil
| | | | - Vera Aparecida Saddi
- Departamento de Medicina, Pontifícia Universidade Católica de Goiás, Av. Universitária 1.069, Setor Universitário, Goiânia, Goiás CEP 74.605-010 Brazil ; Laboratório de Oncogenética e Radiobiologia, Hospital Araújo Jorge, Associação de Combate ao Câncer em Goiás, Goiânia, Goiás CEP 74605-070 Brazil ; Programa de Pós-Graduação Stricto Sensu em Ciências Ambientais e Saúde, Pontifícia Universidade Católica de Goiás, Goiânia, Goiás CEP 74065-140 Brazil
| | - Flávio Monteiro Ayres
- Unidade Universitária de Ciências Exatas e Tecnológicas, Universidade Estadual de Goiás, Anápolis, Goiás CEP 75132-400 Brazil
| | | | - Antonio Márcio Teodoro Cordeiro Silva
- Departamento de Medicina, Pontifícia Universidade Católica de Goiás, Av. Universitária 1.069, Setor Universitário, Goiânia, Goiás CEP 74.605-010 Brazil ; Programa de Pós-Graduação Stricto Sensu em Ciências Ambientais e Saúde, Pontifícia Universidade Católica de Goiás, Goiânia, Goiás CEP 74065-140 Brazil
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Zheng L, Tang W, Shi Y, Chen S, Wang X, Wang L, Shao A, Ding G, Liu C, Liu R, Yin J, Gu H. p21 rs3176352 G>C and p73 rs1801173 C>T polymorphisms are associated with an increased risk of esophageal cancer in a Chinese population. PLoS One 2014; 9:e96958. [PMID: 24820515 PMCID: PMC4018405 DOI: 10.1371/journal.pone.0096958] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Accepted: 04/12/2014] [Indexed: 01/15/2023] Open
Abstract
Objective Esophageal cancer was the fifth most commonly diagnosed cancer and the fourth leading cause of cancer-related death in China in 2009. Genetic factors might play an important role in esophageal squamous cell carcinoma (ESCC) carcinogenesis. Designs and Methods To evaluate the effect p21, p53, TP53BP1 and p73 single nucleotide polymorphisms (SNPs) on the risk of ESCC, we conducted a hospital based case–control study. A total of 629 ESCC cases and 686 controls were recruited. Their genotypes were determined using ligation detection reaction (LDR) method. Results When the p21 rs3176352 GG homozygote genotype was used as the reference group, the CC genotype was associated with a significantly increased risk of ESCC. When the p73 rs1801173 CC homozygote genotype was used as the reference group, the CT genotype was associated with a significantly increased risk of ESCC. After Bonferroni correction, for p21 rs3176352 G>C, the pcorrect was still significant. For the other six SNPs, in all comparison models, no association between the polymorphisms and ESCC risk was observed. Conclusions p21 rs3176352 G>C and p73 rs1801173 C>T SNPs are associated with increased risk of ESCC. To confirm the current findings, additional, larger studies and tissue-specific biological characterization are required.
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Affiliation(s)
- Liang Zheng
- Department of Cardiothoracic Surgery, The First People's Hospital of Changzhou and The Third Affiliated Hospital of Suzhou University, Changzhou, Jiangsu Province, China
| | - Weifeng Tang
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Yijun Shi
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Suocheng Chen
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Xu Wang
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Liming Wang
- Cancer institute, Department of chemotherapy, People's Hospital Affiliated to Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Aizhong Shao
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Guowen Ding
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Chao Liu
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
| | - Ruiping Liu
- Department of Orthopedics, Affiliated Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou, Jiangsu Province, China
| | - Jun Yin
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
- * E-mail: (JY); (HG)
| | - Haiyong Gu
- Department of Cardiothoracic Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, China
- * E-mail: (JY); (HG)
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Bianco A, Quaresima B, Pileggi C, Faniello MC, De Lorenzo C, Costanzo F, Pavia M. Polymorphic repeat length in the AIB1 gene and breast cancer risk in BRCA1 and BRCA2 mutation carriers: a meta-analysis of observational studies. PLoS One 2013; 8:e57781. [PMID: 23483928 PMCID: PMC3590298 DOI: 10.1371/journal.pone.0057781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Accepted: 01/24/2013] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES We carried out a meta-analysis focusing on the relationship between length of AIB1 gene poly-Q repeat domain as a modifier of breast cancer (BC) susceptibility in patients with BRCA1 and BRCA2 mutation carriers. DATA SOURCES We searched MEDLINE and EMBASE for all medical literature published until February, 2012. STUDY ELIGIBILITY CRITERIA Studies were included in the meta-analysis if they met all the predetermined criteria, such as: (a) case-control or cohort studies; (b) the primary outcome was clearly defined as BC; (c) the exposure of interest measured was AIB1 polyglutamine repeat length genotype; (d) provided relative risk (RR) or odds ratio (OR) estimates and their 95% confidence intervals (CIs). SYNTHESIS METHODS: Two of the authors independently evaluated the quality of the studies included and extracted the data. Meta-analyses were performed for case-control and cohort studies separately. Heterogeneity was examined and the publication bias was assessed with a funnel plot for asymmetry. RESULT 7 studies met our predetermined inclusion criteria and were included in the meta-analysis. Overall quality ratings of the studies varied from 0.36 to 0.77, with a median of 0.5. The overall RR estimates of 29/29 poly-Q repeats on risk of BC in BRCA1/2, BRCA1, and BRCA2, were always greater than 1.00; however, this effect was not statistically significant. In the meta-analysis of studies reporting the effect of 28/28 poly-Q repeats on risk of BC in BRCA1/2, BRCA1, and BRCA2, the overall RR decreased below 1.00; however, this effect was not statistically significant. Similar estimates were shown for at least 1 allele of ≤26 repeats. CONCLUSIONS Genotypes of AIB1 polyglutamine polymorphism analyzed do not appear to be associated to a modified risk of BC development in BRCA1 and BRCA2 mutation carriers. Future research on length of poly-Q repeat domain and BC susceptibility should be discouraged and more promising potential sources of penetrance variation among BRCA1 and BRCA2 mutation carriers should be investigated.
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Affiliation(s)
- Aida Bianco
- Department of Health Sciences, University of Catanzaro Magna Græcia, Catanzaro, Italy
| | - Barbara Quaresima
- Department of Experimental and Clinical Medicine, University of Catanzaro Magna Græcia, Catanzaro, Italy
| | - Claudia Pileggi
- Department of Health Sciences, University of Catanzaro Magna Græcia, Catanzaro, Italy
| | - Maria Concetta Faniello
- Department of Experimental and Clinical Medicine, University of Catanzaro Magna Græcia, Catanzaro, Italy
| | - Carlo De Lorenzo
- Department of Experimental and Clinical Medicine, University of Catanzaro Magna Græcia, Catanzaro, Italy
| | - Francesco Costanzo
- Department of Experimental and Clinical Medicine, University of Catanzaro Magna Græcia, Catanzaro, Italy
| | - Maria Pavia
- Department of Health Sciences, University of Catanzaro Magna Græcia, Catanzaro, Italy
- * E-mail:
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Murine double minute clone 2,309T/G and 285G/C promoter single nucleotide polymorphism as a risk factor for breast cancer: a Polish experience. Int J Biol Markers 2012; 27:e105-10. [PMID: 22467100 DOI: 10.5301/jbm.2012.9140] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2012] [Indexed: 01/10/2023]
Abstract
BACKGROUND Breast cancer is a multifactorial disease caused by complex interactions between genetic and environmental factors. Recently, a functional polymorphism, MDM2 285G>C (rs117039649), has been discovered. This polymorphism antagonizes the effect of the 309T>G (rs2279744) polymorphism on the same gene, resulting in decreased MDM2 transcription. METHODS The MDM2 285G>C and 309T>G polymorphisms were identified by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and sequencing analysis in women with breast cancer (n=468) and controls (n=550). RESULTS The odds ratio (OR) for breast cancer patients with the MDM2 285C/C and 285G/C genotypes was 0.4768 (95% confidence interval [CI] 0.2906-0.7824; p=0.0033, pcorr=0.0066). We also found a significantly lower frequency of the MDM2 285C allele in patients with breast cancer than in controls: the OR for the C allele in patients with breast cancer was 0.4930 (95% CI=0.3059-0.7947, p=0.0031, pcorr=0.0062). The p value of the chi-square test for the trend observed for the MDM2 285G>C polymorphism was statistically significant (ptrend=0.0036). The statistical power of this study amounted to 85% for the G/C or C/C genotypes and 85% for the C allele. However, we did not observe significant differences between the distribution of MDM2 309T>G genotypes and alleles in patients with breast cancer and healthy controls. CONCLUSION In a sample of the Polish population, we observed that the MDM2 285C gene variant may be a significant protective factor against breast cancer.
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Barnes DR, Antoniou AC. Unravelling modifiers of breast and ovarian cancer risk for BRCA1 and BRCA2 mutation carriers: update on genetic modifiers. J Intern Med 2012; 271:331-43. [PMID: 22443199 DOI: 10.1111/j.1365-2796.2011.02502.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Pathogenic mutations in the tumour suppressor genes BRCA1 and BRCA2 confer increased risks for breast and ovarian cancer and account for approximately 15% of the excess familial risk of breast cancer amongst first-degree relatives of patients with breast cancer. There is considerable evidence indicating that these risks vary by other genetic and environmental factors clustering in families. In the past few years, based on the availability of genome-wide association data and samples from large collaborative studies, several common alleles have been found to modify breast or ovarian cancer risk for BRCA1 and BRCA2 mutation carriers. These common alleles explain a small proportion of the genetic variability in breast or ovarian cancer risk for mutation carriers, suggesting more modifiers remain to be identified. We review the so far identified genetic modifiers of breast and ovarian cancer risk and consider the implications for risk prediction. BRCA1 and BRCA2 mutation carriers could be some of the first to benefit from clinical applications of common variants identified through genome-wide association studies. However, to be able to provide more individualized risk estimates, it will be important to understand how the associations vary with different tumour characteristics and their interactions with other genetic and environmental modifiers.
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Affiliation(s)
- D R Barnes
- Department of Public Health and Primary Care, Centre for Cancer Genetic Epidemiology, University of Cambridge, Cambridge, UK
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Combined effects of MDM2 SNP309 and TP53 R72P polymorphisms, and soy isoflavones on breast cancer risk among Chinese women in Singapore. Breast Cancer Res Treat 2011; 130:1011-9. [PMID: 21833626 DOI: 10.1007/s10549-011-1680-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2011] [Accepted: 07/08/2011] [Indexed: 02/06/2023]
Abstract
The MDM2 oncoprotein regulates the p53 pathway and, while functional polymorphisms of the MDM2 and p53 genes have been investigated for association with breast cancer risk, results are largely null or non-conclusive. We have earlier reported that the increased intake of soy isoflavones reduces risk of postmenopausal breast cancer, and experimental studies suggest that dietary isoflavones can down-regulate the expression of the MDM2 oncoprotein. In this study, we investigated the association between the MDM2 SNP309 and TP53 R72P polymorphisms and breast cancer risk using a case-control study of 403 cases and 662 controls nested among 35,303 women in The Singapore Chinese Health Study, a population-based, prospective cohort of middle-aged and elderly men and women who have been continuously followed since 1993. The G allele of the TP53 R72P polymorphism and T allele of the MDM2 SNP309 polymorphism were putative high-risk alleles and exhibited a combined gene-dose-dependent joint effect on breast cancer risk that was more clearly observed in postmenopausal women. Among postmenopausal women, the simultaneous presence of G allele in TP53 and T allele in MDM2 polymorphisms was associated with an odds ratio (OR) of 2.42 [95% confidence interval (CI) 1.06-5.50]. Furthermore, the protective effect of dietary soy isoflavones on postmenopausal breast cancer was mainly confined to women homozygous for the high activity MDM2 allele (GG genotype). In this genetic subgroup, women consuming levels of soy isoflavones above the median level exhibited risk that was half of those with below median intake (OR 0.52; 95% CI 0.28-0.99). Our findings support experimental data implicating combined effects of MDM2 protein and the p53-mediated pathway in breast carcinogenesis, and suggest that soy isoflavones may exert protective effect via down-regulation of the MDM2 protein.
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MDM2 SNP309 polymorphism and breast cancer risk: a meta-analysis. Mol Biol Rep 2011; 39:3471-7. [DOI: 10.1007/s11033-011-1119-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Accepted: 06/20/2011] [Indexed: 01/17/2023]
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Yu H, Huang YJ, Liu Z, Wang LE, Li G, Sturgis EM, Johnson DG, Wei Q. Effects of MDM2 promoter polymorphisms and p53 codon 72 polymorphism on risk and age at onset of squamous cell carcinoma of the head and neck. Mol Carcinog 2011; 50:697-706. [PMID: 21656578 DOI: 10.1002/mc.20806] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 04/19/2011] [Accepted: 05/03/2011] [Indexed: 12/22/2022]
Abstract
Both p53 tumor suppressor and murine double minute 2 (MDM2) oncoprotein are crucial in carcinogenesis. We hypothesized that MDM2 promoter single nucleotide polymorphisms (SNPs) SNP309 T > G, A2164G, and p53 codon 72 are associated with risk and age at onset of squamous cell carcinoma of head and neck (SCCHN). We genotyped these SNPs in a study of 1,083 Caucasian SCCHN cases and 1,090 cancer-free controls. Although none of these SNPs individually had a significant effect on risk of SCCHN, nor did their combined putative risk genotypes (i.e., MDM2 SNP309 GT + GG, 2164 AA, and p53 codon 72 CC), we found that individuals with two to three risk genotypes had significantly increased risk of non-oropharyngeal cancer (OR = 1.42; 95% CI = 1.07-1.88). This increased risk was more pronounced among young subjects, men, smokers, and drinkers. In addition, female patients carrying the MDM2 SNP309 GT and GG genotypes showed a 3-yr (56.7 yr) and 9-yr (51.2 yr) earlier age at onset of non-oropharyngeal cancer (P(trend) = 0.007), respectively, compared with those carrying the TT genotype (60.1 yr). The youngest age (42.5 yr) at onset of non-oropharyngeal cancer was observed in female patients with the combined MDM2 SNP309 GG and p53 codon 72 CC genotypes. The findings suggest that MDM2 SNP309, A2164G, and p53 codon 72 SNPs may collectively contribute to non-oropharyngeal cancer risk and that MDM2 SNP309 individually or in combination with p53 codon 72 may accelerate the development of non-oropharyngeal cancer in women. Further studies with large sample sizes are warranted to validate these results.
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Affiliation(s)
- Hongping Yu
- Department of Epidemiology, The University of Texas M. D. Anderson Cancer Center, Houston, 77030, USA
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Walker LC, Fredericksen ZS, Wang X, Tarrell R, Pankratz VS, Lindor NM, Beesley J, Healey S, Chen X, Stoppa-Lyonnet D, Tirapo C, Giraud S, Mazoyer S, Muller D, Fricker JP, Delnatte C, Schmutzler RK, Wappenschmidt B, Engel C, Schönbuchner I, Deissler H, Meindl A, Hogervorst FB, Verheus M, Hooning MJ, van den Ouweland AMW, Nelen MR, Ausems MGEM, Aalfs CM, van Asperen CJ, Devilee P, Gerrits MM, Waisfisz Q, Szabo CI, Easton DF, Peock S, Cook M, Oliver CT, Frost D, Harrington P, Evans DG, Lalloo F, Eeles R, Izatt L, Chu C, Davidson R, Eccles D, Ong KR, Cook J, Rebbeck T, Nathanson KL, Domchek SM, Singer CF, Gschwantler-Kaulich D, Dressler AC, Pfeiler G, Godwin AK, Heikkinen T, Nevanlinna H, Agnarsson BA, Caligo MA, Olsson H, Kristoffersson U, Liljegren A, Arver B, Karlsson P, Melin B, Sinilnikova OM, McGuffog L, Antoniou AC, Chenevix-Trench G, Spurdle AB, Couch FJ. Evidence for SMAD3 as a modifier of breast cancer risk in BRCA2 mutation carriers. Breast Cancer Res 2010; 12:R102. [PMID: 21114847 PMCID: PMC3046447 DOI: 10.1186/bcr2785] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Revised: 11/11/2010] [Accepted: 11/29/2010] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Current attempts to identify genetic modifiers of BRCA1 and BRCA2 associated risk have focused on a candidate gene approach, based on knowledge of gene functions, or the development of large genome-wide association studies. In this study, we evaluated 24 SNPs tagged to 14 candidate genes derived through a novel approach that analysed gene expression differences to prioritise candidate modifier genes for association studies. METHODS We successfully genotyped 24 SNPs in a cohort of up to 4,724 BRCA1 and 2,693 BRCA2 female mutation carriers from 15 study groups and assessed whether these variants were associated with risk of breast cancer in BRCA1 and BRCA2 mutation carriers. RESULTS SNPs in five of the 14 candidate genes showed evidence of association with breast cancer risk for BRCA1 or BRCA2 carriers (P < 0.05). Notably, the minor alleles of two SNPs (rs7166081 and rs3825977) in high linkage disequilibrium (r² = 0.77), located at the SMAD3 locus (15q22), were each associated with increased breast cancer risk for BRCA2 mutation carriers (relative risk = 1.25, 95% confidence interval = 1.07 to 1.45, P(trend) = 0.004; and relative risk = 1.20, 95% confidence interval = 1.03 to 1.40, P(trend) = 0.018). CONCLUSIONS This study provides evidence that the SMAD3 gene, which encodes a key regulatory protein in the transforming growth factor beta signalling pathway and is known to interact directly with BRCA2, may contribute to increased risk of breast cancer in BRCA2 mutation carriers. This finding suggests that genes with expression associated with BRCA1 and BRCA2 mutation status are enriched for the presence of common genetic modifiers of breast cancer risk in these populations.
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Affiliation(s)
- Logan C Walker
- Division of Genetics and Population Health, Queensland Institute of Medical Research, 300 Herston Road, Brisbane 4029, Australia
| | - Zachary S Fredericksen
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Xianshu Wang
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Robert Tarrell
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Vernon S Pankratz
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Noralane M Lindor
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Jonathan Beesley
- Division of Genetics and Population Health, Queensland Institute of Medical Research, 300 Herston Road, Brisbane 4029, Australia
| | - Sue Healey
- Division of Genetics and Population Health, Queensland Institute of Medical Research, 300 Herston Road, Brisbane 4029, Australia
| | - Xiaoqing Chen
- Division of Genetics and Population Health, Queensland Institute of Medical Research, 300 Herston Road, Brisbane 4029, Australia
| | - Dominique Stoppa-Lyonnet
- INSERM U509, Service de Génétique Oncologique, Institut Curie, Université Paris-Descartes, 26 rue d'Ulm, 75248 Paris cedex 05, France
| | - Carole Tirapo
- INSERM U509, Service de Génétique Oncologique, Institut Curie, Université Paris-Descartes, 26 rue d'Ulm, 75248 Paris cedex 05, France
| | - Sophie Giraud
- Unité Mixte de Génétique Constitutionnelle des Cancers Fréquents, Centre Hospitalier Universitaire de Lyon/Centre Léon Bérard, 28 Rue Laennec, 69008 Lyon, France
| | - Sylvie Mazoyer
- Equipe labellisée LIGUE 2008, UMR5201 CNRS, Centre Léon Bérard, Université de Lyon, 28 Rue Laennec, 69008 Lyon, France
| | - Danièle Muller
- Unité d'Oncogénétique, CLCC Paul Strauss, 3 rue de la Porte de l'Hoˆpital BP42, 67065 Strasbourg Cedex, France
| | - Jean-Pierre Fricker
- Unité d'Oncogénétique, CLCC Paul Strauss, 3 rue de la Porte de l'Hoˆpital BP42, 67065 Strasbourg Cedex, France
| | - Capucine Delnatte
- Centre René Gauducheau, Boulevard Jacques Monod, Nantes 44805 Saint Herblain Cedex, France
| | - Rita K Schmutzler
- Centre for Hereditary Breast and Ovarian Cancer, Department of Obstetrics and Gynaecology, University of Cologne, Albertus-Magnus-Platz, 50923 Cologne, Germany
| | - Barbara Wappenschmidt
- Centre for Hereditary Breast and Ovarian Cancer, Department of Obstetrics and Gynaecology, University of Cologne, Albertus-Magnus-Platz, 50923 Cologne, Germany
| | - Christoph Engel
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Ritterstraße 26, 04109 Leipzig, Germany
| | - Ines Schönbuchner
- Institute of Human Genetics, University of Würzburg, Sander Ring 2, 97070 Würzburg, Germany
| | - Helmut Deissler
- Department of Obstetrics and Gynaecology, University of Ulm, Oberer Eselsberg 11, 89069 Ulm, Germany
| | - Alfons Meindl
- Department of Obstetrics and Gynaecology, Division of Tumor Genetics, Klinikum rechts der Isar, Technical University Munich, Arcisstraße 21, 80333 Munich, Germany
| | - Frans B Hogervorst
- Family Cancer Clinic, The Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
| | - Martijn Verheus
- Department of Epidemiology, Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam 1066 CX, The Netherlands
| | - Maartje J Hooning
- Department of Medical Oncology, Family Cancer Clinic, Erasmus University Medical Center, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands
| | - Ans MW van den Ouweland
- Department of Clinical Genetics, Family Cancer Clinic, Erasmus University Medical Center, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands
| | - Marcel R Nelen
- Department of Human Genetics 849, Radboud University Nijmegen Medical Centre, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Margreet GEM Ausems
- Department of Medical Genetics, University Medical Center Utrecht, Heidelberglaan 100, Utrecht 3584 CX, The Netherlands
| | - Cora M Aalfs
- Department of Clinical Genetics, Academic Medical Center, Meibergdreef 9, Amsterdam 1105 AZ, The Netherlands
| | - Christi J van Asperen
- Department of Clinical Genetics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Peter Devilee
- Department of Human Genetics & Department of Pathology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Monique M Gerrits
- Department of Genetics and Cell Biology, University Medical Center, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Quinten Waisfisz
- Department of Clinical Genetics, VU University Medical Center, De Boelelaan 1105, 1081 HV Amsterdam, The Netherlands
| | - Csilla I Szabo
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
| | - Douglas F Easton
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Susan Peock
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Margaret Cook
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Clare T Oliver
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Debra Frost
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Patricia Harrington
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - D Gareth Evans
- Genetic Medicine, Manchester Academic Health Sciences Centre, Central Manchester University Hospitals NHS Foundation Trust, St Mary's Hospital, Hathersage Road, Manchester M13 9LW, UK
| | - Fiona Lalloo
- Genetic Medicine, Manchester Academic Health Sciences Centre, Central Manchester University Hospitals NHS Foundation Trust, St Mary's Hospital, Hathersage Road, Manchester M13 9LW, UK
| | - Ros Eeles
- Oncogenetics Team, The Institute of Cancer Research and Royal Marsden NHS Foundation Trust, 15 Cotswold Road, Sutton, Surrey SM2 5NG, UK
| | - Louise Izatt
- Clinical Genetics Department, Guy's and St Thomas NHS Foundation Trust, Guys Hospital, St Thomas Street, London SE1 9RT, UK
| | - Carol Chu
- Yorkshire Regional Genetics Service, St. James's Hospital, Beckett Street, Leeds LS9 TF7, UK
| | - Rosemarie Davidson
- Ferguson-Smith Centre for Clinical Genetics, Block 4 Yorhill NHS Trust, Yorkhill, Glasgow G3 8SJ, UK
| | - Diana Eccles
- Wessex Clinical Genetics Service and Cancer Sciences Division, Princess Anne Hospital, Southampton SO16 5YA, UK
| | - Kai-Ren Ong
- West Midlands Regional Genetics Service, Birmingham Women's Hospital Healthcare NHS Trust, Mindelsohn Way, Edgbaston, Birmingham B15 2TG, UK
| | - Jackie Cook
- Sheffield Clinical Genetics Service, Sheffield Children's Hospital, Western Bank, Sheffield, S10 2JF, UK
| | - Tim Rebbeck
- Abramson Cancer Center, University of Pennsylvania School of Medicine, 531 BRB 2/3, 421 Curie Boulevard, Philadelphia, PA 19104, USA
| | - Katherine L Nathanson
- Abramson Cancer Center, University of Pennsylvania School of Medicine, 531 BRB 2/3, 421 Curie Boulevard, Philadelphia, PA 19104, USA
| | - Susan M Domchek
- Abramson Cancer Center, University of Pennsylvania School of Medicine, 531 BRB 2/3, 421 Curie Boulevard, Philadelphia, PA 19104, USA
| | - Christian F Singer
- Division of Special Gynecology, Department of OB/GYN, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Daphne Gschwantler-Kaulich
- Division of Special Gynecology, Department of OB/GYN, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Anne-Catharina Dressler
- Division of Special Gynecology, Department of OB/GYN, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Georg Pfeiler
- Division of Special Gynecology, Department of OB/GYN, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Andrew K Godwin
- Women's Cancer Program, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA
| | - Tuomas Heikkinen
- Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Haartmaninkatu 8, 00290 Helsinki, Finland
| | - Heli Nevanlinna
- Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Haartmaninkatu 8, 00290 Helsinki, Finland
| | - Bjarni A Agnarsson
- Department of Pathology, University Hospital and University of Iceland School of Medicine, 101 Reykjavik, Iceland
| | - Maria Adelaide Caligo
- Section of Genetic Oncology, University Hospital of Pisa, Via Roma 57, Pisa 56127, Italy
| | - Håkan Olsson
- Department of Oncology, Lund University Hospital, S-22185 Lund, Sweden
| | - Ulf Kristoffersson
- Department of Clinical Genetics, Lund University Hospital, S-22185 Lund, Sweden
| | - Annelie Liljegren
- Department of Oncology, Karolinska University Hospital, 171 64 Solna, Stockholm, Sweden
| | - Brita Arver
- Department of Oncology, Karolinska University Hospital, 171 64 Solna, Stockholm, Sweden
| | - Per Karlsson
- Department of Oncology, Sahlgrenska University Hospital, S-41345 Gothenburg, Sweden
| | - Beatrice Melin
- Department of Radiation Sciences, Oncology, Umeå University, SE-901 87 Umeå, Sweden
| | - Olga M Sinilnikova
- Equipe labellisée LIGUE 2008, UMR5201 CNRS, Centre Léon Bérard, Université de Lyon, 28 Rue Laennec, 69008 Lyon, France
- Unité d'Oncogénétique, CLCC Paul Strauss, 3 rue de la Porte de l'Hoˆpital BP42, 67065 Strasbourg Cedex, France
| | - Lesley McGuffog
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Antonis C Antoniou
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Strangeways Research Laboratory, Worts Causeway, Cambridge CB1 8RN, UK
| | - Georgia Chenevix-Trench
- Division of Genetics and Population Health, Queensland Institute of Medical Research, 300 Herston Road, Brisbane 4029, Australia
| | - Amanda B Spurdle
- Division of Genetics and Population Health, Queensland Institute of Medical Research, 300 Herston Road, Brisbane 4029, Australia
| | - Fergus J Couch
- Department of Laboratory Medicine and Pathology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
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Antoniou AC, Chenevix-Trench G. Common genetic variants and cancer risk in Mendelian cancer syndromes. Curr Opin Genet Dev 2010; 20:299-307. [DOI: 10.1016/j.gde.2010.03.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2010] [Revised: 03/23/2010] [Accepted: 03/23/2010] [Indexed: 02/07/2023]
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Marchbanks PA, McDonald JA, Wilson HG, Folger SG, Mandel MG, Daling JR, Bernstein L, Malone KE, Ursin G, Strom BL, Norman SA, Wingo PA, Burkman RT, Berlin JA, Simon MS, Spirtas R, Weiss LK. Oral contraceptives and the risk of breast cancer. N Engl J Med 2002; 4:174-91. [PMID: 12087137 DOI: 10.1016/j.molonc.2010.04.011] [Citation(s) in RCA: 242] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Revised: 04/29/2010] [Accepted: 04/29/2010] [Indexed: 02/08/2023]
Abstract
BACKGROUND It is uncertain whether the use of an oral contraceptive increases the risk of breast cancer later in life, when the incidence of breast cancer is increased. We conducted a population-based, case-control study to determine the risk of breast cancer among former and current users of oral contraceptives. METHODS We interviewed women who were 35 to 64 years old. A total of 4575 women with breast cancer and 4682 controls were interviewed. Conditional logistic regression was used to calculate odds ratios as estimates of the relative risk (incidence-density ratios) of breast cancer. RESULTS The relative risk was 1.0 (95 percent confidence interval, 0.8 to 1.3) for women who were currently using oral contraceptives and 0.9 (95 percent confidence interval, 0.8 to 1.0) for those who had previously used them. The relative risk did not increase consistently with longer periods of use or with higher doses of estrogen. The results were similar among white and black women. Use of oral contraceptives by women with a family history of breast cancer was not associated with an increased risk of breast cancer, nor was the initiation of oral-contraceptive use at a young age. CONCLUSIONS Among women from 35 to 64 years of age, current or former oral-contraceptive use was not associated with a significantly increased risk of breast cancer.
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Affiliation(s)
- Polly A Marchbanks
- Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, USA
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