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265 Publications visible to you, out of a total of 265
Evaluation of a candidate breast cancer associated SNP in ERCC4 as a risk modifier in BRCA1 and BRCA2 mutation carriers. Results from the Consortium of Investigators of Modifiers of BRCA1/BRCA2 (CIMBA)
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

BACKGROUND In this study we aimed to evaluate the role of a SNP in intron 1 of the ERCC4 gene (rs744154), previously reported to be associated with a reduced risk of breast cancer in the general …l population, as a breast cancer risk modifier in BRCA1 and BRCA2 mutation carriers. METHODS We have genotyped rs744154 in 9408 BRCA1 and 5632 BRCA2 mutation carriers from the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA) and assessed its association with breast cancer risk using a retrospective weighted cohort approach. RESULTS We found no evidence of association with breast cancer risk for BRCA1 (per-allele HR: 0.98, 95% CI: 0.93-1.04, P = 0.5) or BRCA2 (per-allele HR: 0.97, 95% CI: 0.89-1.06, P = 0.5) mutation carriers. CONCLUSION This SNP is not a significant modifier of breast cancer risk for mutation carriers, though weak associations cannot be ruled out.

Authors: A. Osorio, R. L. Milne, G. Pita, P. Peterlongo, T. Heikkinen, J. Simard, G. Chenevix-Trench, A. B. Spurdle, J. Beesley, X. Chen, S. Healey, S. L. Neuhausen, Y. C. Ding, F. J. Couch, X. Wang, N. Lindor, S. Manoukian, M. Barile, A. Viel, L. Tizzoni, C. I. Szabo, L. Foretova, M. Zikan, K. Claes, M. H. Greene, P. Mai, G. Rennert, F. Lejbkowicz, O. Barnett-Griness, I. L. Andrulis, H. Ozcelik, N. Weerasooriya, A-M Gerdes, M. Thomassen, D. G. Cruger, M. A. Caligo, E. Friedman, B. Kaufman, Y. Laitman, S. Cohen, T. Kontorovich, R. Gershoni-Baruch, E. Dagan, H. Jernström, M. S. Askmalm, B. Arver, B. Malmer, S. M. Domchek, K. L. Nathanson, J. Brunet, T. Ramón Y Cajal, D. Yannoukakos, U. Hamann, F. B. L. Hogervorst, S. Verhoef, E. B. Gómez García, J. T. Wijnen, A. van den Ouweland, D. F. Easton, S. Peock, M. Cook, C. T. Oliver, D. Frost, C. Luccarini, D. G. Evans, F. Lalloo, R. Eeles, G. Pichert, J. Cook, S. Hodgson, P. J. Morrison, F. Douglas, A. K. Godwin, O. M. Sinilnikova, L. Barjhoux, D. Stoppa-Lyonnet, V. Moncoutier, S. Giraud, C. Cassini, L. Olivier-Faivre, F. Révillion, J-P Peyrat, D. Muller, J-P Fricker, H. T. Lynch, E. M. John, S. Buys, M. Daly, J. L. Hopper, M. B. Terry, A. Miron, Y. Yassin, D. Goldgar, C. F. Singer, D. Gschwantler-Kaulich, G. Pfeiler, A-C Spiess, Thomas v. O. Hansen, O. T. Johannsson, T. Kirchhoff, K. Offit, K. Kosarin, M. Piedmonte, G. C. Rodriguez, K. Wakeley, J. F. Boggess, J. Basil, P. E. Schwartz, S. V. Blank, A. E. Toland, M. Montagna, C. Casella, E. N. Imyanitov, A. Allavena, R. K. Schmutzler, B. Versmold, C. Engel, A. Meindl, N. Ditsch, N. Arnold, D. Niederacher, H. Deissler, B. Fiebig, R. Varon-Mateeva, D. Schaefer, U. G. Froster, T. Caldes, M. de La Hoya, L. McGuffog, A. C. Antoniou, H. Nevanlinna, P. Radice, J. Benítez

Date Published: 1st Dec 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Common variants in LSP1, 2q35 and 8q24 and breast cancer risk for BRCA1 and BRCA2 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Genome-wide association studies of breast cancer have identified multiple single nucleotide polymorphisms (SNPs) that are associated with increased breast cancer risks in the general population. In a … previous study, we demonstrated that the minor alleles at three of these SNPs, in FGFR2, TNRC9 and MAP3K1, also confer increased risks of breast cancer for BRCA1 or BRCA2 mutation carriers. Three additional SNPs rs3817198 at LSP1, rs13387042 at 2q35 and rs13281615 at 8q24 have since been reported to be associated with breast cancer in the general population, and in this study we evaluated their association with breast cancer risk in 9442 BRCA1 and 5665 BRCA2 mutation carriers from 33 study centres. The minor allele of rs3817198 was associated with increased breast cancer risk only for BRCA2 mutation carriers [hazard ratio (HR) = 1.16, 95% CI: 1.07-1.25, P-trend = 2.8 x 10(-4)]. The best fit for the association of SNP rs13387042 at 2q35 with breast cancer risk was a dominant model for both BRCA1 and BRCA2 mutation carriers (BRCA1: HR = 1.14, 95% CI: 1.04-1.25, P = 0.0047; BRCA2: HR = 1.18 95% CI: 1.04-1.33, P = 0.0079). SNP rs13281615 at 8q24 was not associated with breast cancer for either BRCA1 or BRCA2 mutation carriers, but the estimated association for BRCA2 mutation carriers (per-allele HR = 1.06, 95% CI: 0.98-1.14) was consistent with odds ratio estimates derived from population-based case-control studies. The LSP1 and 2q35 SNPs appear to interact multiplicatively on breast cancer risk for BRCA2 mutation carriers. There was no evidence that the associations vary by mutation type depending on whether the mutated protein is predicted to be stable or not.

Authors: Antonis C. Antoniou, Olga M. Sinilnikova, Lesley McGuffog, Sue Healey, Heli Nevanlinna, Tuomas Heikkinen, Jacques Simard, Amanda B. Spurdle, Jonathan Beesley, Xiaoqing Chen, Susan L. Neuhausen, Yuan C. Ding, Fergus J. Couch, Xianshu Wang, Zachary Fredericksen, Paolo Peterlongo, Bernard Peissel, Bernardo Bonanni, Alessandra Viel, Loris Bernard, Paolo Radice, Csilla I. Szabo, Lenka Foretova, Michal Zikan, Kathleen Claes, Mark H. Greene, Phuong L. Mai, Gad Rennert, Flavio Lejbkowicz, Irene L. Andrulis, Hilmi Ozcelik, Gord Glendon, Anne-Marie Gerdes, Mads Thomassen, Lone Sunde, Maria A. Caligo, Yael Laitman, Tair Kontorovich, Shimrit Cohen, Bella Kaufman, Efrat Dagan, Ruth Gershoni Baruch, Eitan Friedman, Katja Harbst, Gisela Barbany-Bustinza, Johanna Rantala, Hans Ehrencrona, Per Karlsson, Susan M. Domchek, Katherine L. Nathanson, Ana Osorio, Ignacio Blanco, Adriana Lasa, Javier Benítez, Ute Hamann, Frans B. L. Hogervorst, Matti A. Rookus, J. Margriet Collee, Peter Devilee, Marjolijn J. Ligtenberg, Rob B. van der Luijt, Cora M. Aalfs, Quinten Waisfisz, Juul Wijnen, Cornelis E. P. van Roozendaal, Susan Peock, Margaret Cook, Debra Frost, Clare Oliver, Radka Platte, D. Gareth Evans, Fiona Lalloo, Rosalind Eeles, Louise Izatt, Rosemarie Davidson, Carol Chu, Diana Eccles, Trevor Cole, Shirley Hodgson, Andrew K. Godwin, Dominique Stoppa-Lyonnet, Bruno Buecher, Mélanie Léoné, Brigitte Bressac-de Paillerets, Audrey Remenieras, Olivier Caron, Gilbert M. Lenoir, Nicolas Sevenet, Michel Longy, Sandra Fert Ferrer, Fabienne Prieur, David Goldgar, Alexander Miron, Esther M. John, Saundra S. Buys, Mary B. Daly, John L. Hopper, Mary Beth Terry, Yosuf Yassin, Christian Singer, Daphne Gschwantler-Kaulich, Christine Staudigl, Thomas v. O. Hansen, Rosa Bjork Barkardottir, Tomas Kirchhoff, Prodipto Pal, Kristi Kosarin, Kenneth Offit, Marion Piedmonte, Gustavo C. Rodriguez, Katie Wakeley, John F. Boggess, Jack Basil, Peter E. Schwartz, Stephanie V. Blank, Amanda E. Toland, Marco Montagna, Cinzia Casella, Evgeny N. Imyanitov, Anna Allavena, Rita K. Schmutzler, Beatrix Versmold, Christoph Engel, Alfons Meindl, Nina Ditsch, Norbert Arnold, Dieter Niederacher, Helmut Deissler, Britta Fiebig, Christian Suttner, Ines Schönbuchner, Dorothea Gadzicki, Trinidad Caldes, Miguel de La Hoya, Karen A. Pooley, Douglas F. Easton, Georgia Chenevix-Trench

Date Published: 15th Nov 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Polymorphisms in BRCA2 resulting in aberrant codon-usage and their analysis on familial breast cancer risk
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Mutations in BRCA1 and BRCA2 are associated with increased breast cancer risk. While numerous non-synonymous SNPs in BRCA1/2 have been investigated for breast cancer risk, the impact of synonymous SNPs … has not been studied so far. Recently, it has been reported that synonymous SNPs leading to an aberration from the preferred codon-usage can have functional effects and consequently be associated with disease. This motivated us to search for SNPs with the tendency to differential codon-usage in BRCA1/BRCA2. Based on defined criteria, two codon-usage-changing variants, Ser455Ser (1365A \textgreater G) and Ser2414Ser (7242A \textgreater G), were detected in BRCA2, whereas no such variant could be identified in BRCA1. We investigated the impact of these variants on breast cancer risk in a large case-control study. However, both SNPs, BRCA2 Ser2414Ser (7242A \textgreater G) and Ser455Ser (1365A \textgreater G), showed no association with breast cancer risk. This indicates that these codon-usage-changing SNPs have no major impact on familial breast cancer risk.

Authors: Rongxi Yang, Bowang Chen, Kari Hemminki, Barbara Wappenschmidt, Christoph Engel, Christian Sutter, Nina Ditsch, Bernhard H. F. Weber, Dieter Niederacher, Norbert Arnold, Alfons Meindl, Claus R. Bartram, Rita K. Schmutzler, Barbara Burwinkel

Date Published: 1st Nov 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

The TP53 Arg72Pro and MDM2 309GT polymorphisms are not associated with breast cancer risk in BRCA1 and BRCA2 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

BACKGROUND The TP53 pathway, in which TP53 and its negative regulator MDM2 are the central elements, has an important role in carcinogenesis, particularly in BRCA1- and BRCA2-mediated carcinogenesis. …. A single nucleotide polymorphism (SNP) in the promoter region of MDM2 (309T\textgreaterG, rs2279744) and a coding SNP of TP53 (Arg72Pro, rs1042522) have been shown to be of functional significance. METHODS To investigate whether these SNPs modify breast cancer risk for BRCA1 and BRCA2 mutation carriers, we pooled genotype data on the TP53 Arg72Pro SNP in 7011 mutation carriers and on the MDM2 309T\textgreaterG SNP in 2222 mutation carriers from the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA). Data were analysed using a Cox proportional hazards model within a retrospective likelihood framework. RESULTS No association was found between these SNPs and breast cancer risk for BRCA1 (TP53: per-allele hazard ratio (HR)=1.01, 95% confidence interval (CI): 0.93-1.10, P(trend)=0.77; MDM2: HR=0.96, 95%CI: 0.84-1.09, P(trend)=0.54) or for BRCA2 mutation carriers (TP53: HR=0.99, 95%CI: 0.87-1.12, P(trend)=0.83; MDM2: HR=0.98, 95%CI: 0.80-1.21, P(trend)=0.88). We also evaluated the potential combined effects of both SNPs on breast cancer risk, however, none of their combined genotypes showed any evidence of association. CONCLUSION There was no evidence that TP53 Arg72Pro or MDM2 309T\textgreaterG, either singly or in combination, influence breast cancer risk in BRCA1 or BRCA2 mutation carriers.

Authors: O. M. Sinilnikova, A. C. Antoniou, J. Simard, S. Healey, M. Léoné, D. Sinnett, A. B. Spurdle, J. Beesley, X. Chen, M. H. Greene, J. T. Loud, F. Lejbkowicz, G. Rennert, S. Dishon, I. L. Andrulis, S. M. Domchek, K. L. Nathanson, S. Manoukian, P. Radice, I. Konstantopoulou, I. Blanco, A. L. Laborde, M. Durán, A. Osorio, J. Benitez, U. Hamann, F. B. L. Hogervorst, T. A. M. van Os, H. J. P. Gille, S. Peock, M. Cook, C. Luccarini, D. G. Evans, F. Lalloo, R. Eeles, G. Pichert, R. Davidson, T. Cole, J. Cook, J. Paterson, C. Brewer, D. J. Hughes, I. Coupier, S. Giraud, F. Coulet, C. Colas, F. Soubrier, E. Rouleau, I. Bièche, R. Lidereau, L. Demange, C. Nogues, H. T. Lynch, R. K. Schmutzler, B. Versmold, C. Engel, A. Meindl, N. Arnold, C. Sutter, H. Deissler, D. Schaefer, U. G. Froster, K. Aittomäki, H. Nevanlinna, L. McGuffog, D. F. Easton, G. Chenevix-Trench, D. Stoppa-Lyonnet

Date Published: 1st Oct 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

No association of TGFB1 L10P genotypes and breast cancer risk in BRCA1 and BRCA2 mutation carriers: a multi-center cohort study
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

BACKGROUND The transforming growth factor beta-1 gene (TGFB1) is a plausible candidate for breast cancer susceptibility. The L10P variant of TGFB1 is associated with higher circulating levels and …d secretion of TGF-beta, and recent large-scale studies suggest strongly that this variant is associated with breast cancer risk in the general population. METHODS To evaluate whether TGFB1 L10P also modifies the risk of breast cancer in BRCA1 or BRCA2 mutation carriers, we undertook a multi-center study of 3,442 BRCA1 and 2,095 BRCA2 mutation carriers. RESULTS We found no evidence of association between TGFB1 L10P and breast cancer risk in either BRCA1 or BRCA2 mutation carriers. The per-allele HR for the L10P variant was 1.01 (95%CI: 0.92-1.11) in BRCA1 carriers and 0.92 (95%CI: 0.81-1.04) in BRCA2 mutation carriers. CONCLUSIONS These results do not support the hypothesis that TGFB1 L10P genotypes modify the risk of breast cancer in BRCA1 or BRCA2 mutation carriers.

Authors: Timothy R. Rebbeck, Antonis C. Antoniou, Trinidad Caldes Llopis, Heli Nevanlinna, Kristiina Aittomäki, Jacques Simard, Amanda B. Spurdle, Fergus J. Couch, Lutecia H. Mateus Pereira, Mark H. Greene, Irene L. Andrulis, Boris Pasche, Virginia Kaklamani, Ute Hamann, Csilla Szabo, Susan Peock, Margaret Cook, Patricia A. Harrington, Alan Donaldson, Allison M. Male, Carol Anne Gardiner, Helen Gregory, Lucy E. Side, Anne C. Robinson, Louise Emmerson, Ian Ellis, Jean-Philippe Peyrat, Joëlle Fournier, Philippe Vennin, Claude Adenis, Danièle Muller, Jean-Pierre Fricker, Michel Longy, Olga M. Sinilnikova, Dominique Stoppa-Lyonnet, Rita K. Schmutzler, Beatrix Versmold, Christoph Engel, Alfons Meindl, Karin Kast, Dieter Schaefer, Ursula G. Froster, Georgia Chenevix-Trench, Douglas F. Easton

Date Published: 1st May 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Association of hormone receptor status with grading, age of onset, and tumor size in BRCA1-associated breast cancer
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

BRCA1-associated breast cancer frequently presents with estrogen-receptor (ERalpha) and progesterone-receptor (PR) negativity, grade 3, and early onset. In contrast, in BRCA1-deficient mice, ERalpha … is highly expressed in early tumorigenesis. In a retrospective cohort study on 587 breast cancer patients with deleterious BRCA1 mutations, the correlation of ER, PR status, grading, age of onset, and tumor size was investigated. ERalpha and PR expression decreased from 62% in ductal carcinoma in situ (DCIS) to 20% and 16% in pT3, respectively (p value for ER 0.025 and PR 0.035, Fisher’s exact test). The percentage of grade 1/2 tumors decreased from 44% in DCIS to 17% in pT3 (p value 0.074). Moreover, ER/PR positivity increased with increasing age. Our data suggest that early stage BRCA1-associated breast cancers are more frequently ERalpha and PR positive and low grade than advanced stages.

Authors: M. Graeser, K. Bosse, M. Brosig, C. Engel, R. K. Schmutzler

Date Published: 1st May 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

A breast cancer risk haplotype in the caspase-8 gene
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Recent large-scale studies have been successful in identifying common, low-penetrance variants associated with common cancers. One such variant in the caspase-8 (CASP8) gene, D302H (rs1045485), has … been confirmed to be associated with breast cancer risk, although the functional effect of this polymorphism (if any) is not yet clear. In order to further map the CASP8 gene with respect to breast cancer susceptibility, we performed extensive haplotype analyses using single nucleotide polymorphisms (SNP) chosen to tag all common variations in the gene (tSNP). We used a staged study design based on 3,200 breast cancer and 3,324 control subjects from the United Kingdom, Utah, and Germany. Using a haplotype-mining algorithm in the UK cohort, we identified a four-SNP haplotype that was significantly associated with breast cancer and that was superior to any other single or multi-locus combination (P=8.0 x 10(-5)), with a per allele odds ratio and 95% confidence interval of 1.30 (1.12-1.49). The result remained significant after adjustment for the multiple testing inherent in mining techniques (false discovery rate, q=0.044). As expected, this haplotype includes the D302H locus. Multicenter analyses on a subset of the tSNPs yielded consistent results. This risk haplotype is likely to carry one or more underlying breast cancer susceptibility alleles, making it an excellent candidate for resequencing in homozygous individuals. An understanding of the mode of action of these alleles will aid risk assessment and may lead to the identification of novel treatment targets in breast cancer.

Authors: Neil Duncan Shephard, Ryan Abo, Sushila Harkisandas Rigas, Bernd Frank, Wei-Yu Lin, Ian Wallace Brock, Adam Shippen, Sabapathy Prakash Balasubramanian, Malcolm Walter Ronald Reed, Claus Rainer Bartram, Alfons Meindl, Rita Katharina Schmutzler, Christoph Engel, Barbara Burwinkel, Lisa Anne Cannon-Albright, Kristina Allen-Brady, Nicola Jane Camp, Angela Cox

Date Published: 24th Mar 2009

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

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