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1. Association of type and location of BRCA1 and BRCA2 mutations with risk of breast and ovarian cancer.

Author

Rebbeck TR, Mitra N, Wan F, Sinilnikova OM, Healey S, McGuffog L, Mazoyer S, Chenevix-Trench G, Easton DF, Antoniou AC, Nathanson KL, Laitman Y, Kushnir A, Paluch-Shimon S, Berger R, Zidan J, Friedman E, Ehrencrona H, Stenmark-Askmalm M, Einbeigi Z, Loman N, Harbst K, Rantala J, Melin B, Huo D, Olopade OI, Seldon J, Ganz PA, Nussbaum RL, Chan SB, Odunsi K, Gayther SA, Domchek SM, Arun BK, Lu KH, Mitchell G, Karlan BY, Walsh C, Lester J, Godwin AK, Pathak H, Ross E, Daly MB, Whittemore AS, John EM, Miron A, Terry MB, Chung WK, Goldgar DE, Buys SS, Janavicius R, Tihomirova L, Tung N, Dorfling CM, van Rensburg EJ, Steele L, Neuhausen SL, Ding YC, Ejlertsen B, Gerdes AM, Hansen Tv, Ramón y Cajal T, Osorio A, Benitez J, Godino J, Tejada MI, Duran M, Weitzel JN, Bobolis KA, Sand SR, Fontaine A, Savarese A, Pasini B, Peissel B, Bonanni B, Zaffaroni D, Vignolo-Lutati F, Scuvera G, Giannini G, Bernard L, Genuardi M, Radice P, Dolcetti R, Manoukian S, Pensotti V, Gismondi V, Yannoukakos D, Fostira F, Garber J, Torres D, Rashid MU, Hamann U, Peock S, Frost D, Platte R, Evans DG, Eeles R, Davidson R, Eccles D, Cole T, Cook J, Brewer C, Hodgson S, Morrison PJ, Walker L, Porteous ME, Kennedy MJ, Izatt L, Adlard J, Donaldson A, Ellis S, Sharma P, Schmutzler RK, Wappenschmidt B, Becker A, Rhiem K, Hahnen E, Engel C, Meindl A, Engert S, Ditsch N, Arnold N, Plendl HJ, Mundhenke C, Niederacher D, Fleisch M, Sutter C, Bartram CR, Dikow N, Wang-Gohrke S, Gadzicki D, Steinemann D, Kast K, Beer M, Varon-Mateeva R, Gehrig A, Weber BH, Stoppa-Lyonnet D, Sinilnikova OM, Mazoyer S, Houdayer C, Belotti M, Gauthier-Villars M, Damiola F, Boutry-Kryza N, Lasset C, Sobol H, Peyrat JP, Muller D, Fricker JP, Collonge-Rame MA, Mortemousque I, Nogues C, Rouleau E, Isaacs C, De Paepe A, Poppe B, Claes K, De Leeneer K, Piedmonte M, Rodriguez G, Wakely K, Boggess J, Blank SV, Basil J, Azodi M, Phillips KA, Caldes T, de la Hoya M, Romero A, Nevanlinna H, Aittomäki K, van der Hout AH, Hogervorst FB, Verhoef S, Collée JM, Seynaeve C, Oosterwijk JC, Gille JJ, Wijnen JT, Gómez Garcia EB, Kets CM, Ausems MG, Aalfs CM, Devilee P, Mensenkamp AR, Kwong A, Olah E, Papp J, Diez O, Lazaro C, Darder E, Blanco I, Salinas M, Jakubowska A, Lubinski J, Gronwald J, Jaworska-Bieniek K, Durda K, Sukiennicki G, Huzarski T, Byrski T, Cybulski C, Toloczko-Grabarek A, Złowocka-Perłowska E, Menkiszak J, Arason A, Barkardottir RB, Simard J, Laframboise R, Montagna M, Agata S, Alducci E, Peixoto A, Teixeira MR, Spurdle AB, Lee MH, Park SK, Kim SW, Friebel TM, Couch FJ, Lindor NM, Pankratz VS, Guidugli L, Wang X, Tischkowitz M, Foretova L, Vijai J, Offit K, Robson M, Rau-Murthy R, Kauff N, Fink-Retter A, Singer CF, Rappaport C, Gschwantler-Kaulich D, Pfeiler G, Tea MK, Berger A, Greene MH, Mai PL, Imyanitov EN, Toland AE, Senter L, Bojesen A, Pedersen IS, Skytte AB, Sunde L, Thomassen M, Moeller ST, Kruse TA, Jensen UB, Caligo MA, Aretini P, Teo SH, Selkirk CG, Hulick PJ, and Andrulis I

Subjects
Adult, Age of Onset, Female, Heterozygote, Humans, Middle Aged, Nucleotides, Risk Factors, Breast Neoplasms genetics, Genes, BRCA1, Genes, BRCA2, Genetic Predisposition to Disease, Mutation, Ovarian Neoplasms genetics
Abstract

Importance: Limited information about the relationship between specific mutations in BRCA1 or BRCA2 (BRCA1/2) and cancer risk exists., Objective: To identify mutation-specific cancer risks for carriers of BRCA1/2., Design, Setting, and Participants: Observational study of women who were ascertained between 1937 and 2011 (median, 1999) and found to carry disease-associated BRCA1 or BRCA2 mutations. The international sample comprised 19,581 carriers of BRCA1 mutations and 11,900 carriers of BRCA2 mutations from 55 centers in 33 countries on 6 continents. We estimated hazard ratios for breast and ovarian cancer based on mutation type, function, and nucleotide position. We also estimated RHR, the ratio of breast vs ovarian cancer hazard ratios. A value of RHR greater than 1 indicated elevated breast cancer risk; a value of RHR less than 1 indicated elevated ovarian cancer risk., Exposures: Mutations of BRCA1 or BRCA2., Main Outcomes and Measures: Breast and ovarian cancer risks., Results: Among BRCA1 mutation carriers, 9052 women (46%) were diagnosed with breast cancer, 2317 (12%) with ovarian cancer, 1041 (5%) with breast and ovarian cancer, and 7171 (37%) without cancer. Among BRCA2 mutation carriers, 6180 women (52%) were diagnosed with breast cancer, 682 (6%) with ovarian cancer, 272 (2%) with breast and ovarian cancer, and 4766 (40%) without cancer. In BRCA1, we identified 3 breast cancer cluster regions (BCCRs) located at c.179 to c.505 (BCCR1; RHR = 1.46; 95% CI, 1.22-1.74; P = 2 × 10(-6)), c.4328 to c.4945 (BCCR2; RHR = 1.34; 95% CI, 1.01-1.78; P = .04), and c. 5261 to c.5563 (BCCR2', RHR = 1.38; 95% CI, 1.22-1.55; P = 6 × 10(-9)). We also identified an ovarian cancer cluster region (OCCR) from c.1380 to c.4062 (approximately exon 11) with RHR = 0.62 (95% CI, 0.56-0.70; P = 9 × 10(-17)). In BRCA2, we observed multiple BCCRs spanning c.1 to c.596 (BCCR1; RHR = 1.71; 95% CI, 1.06-2.78; P = .03), c.772 to c.1806 (BCCR1'; RHR = 1.63; 95% CI, 1.10-2.40; P = .01), and c.7394 to c.8904 (BCCR2; RHR = 2.31; 95% CI, 1.69-3.16; P = .00002). We also identified 3 OCCRs: the first (OCCR1) spanned c.3249 to c.5681 that was adjacent to c.5946delT (6174delT; RHR = 0.51; 95% CI, 0.44-0.60; P = 6 × 10(-17)). The second OCCR spanned c.6645 to c.7471 (OCCR2; RHR = 0.57; 95% CI, 0.41-0.80; P = .001). Mutations conferring nonsense-mediated decay were associated with differential breast or ovarian cancer risks and an earlier age of breast cancer diagnosis for both BRCA1 and BRCA2 mutation carriers., Conclusions and Relevance: Breast and ovarian cancer risks varied by type and location of BRCA1/2 mutations. With appropriate validation, these data may have implications for risk assessment and cancer prevention decision making for carriers of BRCA1 and BRCA2 mutations.

Published
2015
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2. Assessing associations between the AURKA-HMMR-TPX2-TUBG1 functional module and breast cancer risk in BRCA1/2 mutation carriers.

Author

Blanco I, Kuchenbaecker K, Cuadras D, Wang X, Barrowdale D, de Garibay GR, Librado P, Sánchez-Gracia A, Rozas J, Bonifaci N, McGuffog L, Pankratz VS, Islam A, Mateo F, Berenguer A, Petit A, Català I, Brunet J, Feliubadaló L, Tornero E, Benítez J, Osorio A, Ramón y Cajal T, Nevanlinna H, Aittomäki K, Arun BK, Toland AE, Karlan BY, Walsh C, Lester J, Greene MH, Mai PL, Nussbaum RL, Andrulis IL, Domchek SM, Nathanson KL, Rebbeck TR, Barkardottir RB, Jakubowska A, Lubinski J, Durda K, Jaworska-Bieniek K, Claes K, Van Maerken T, Díez O, Hansen TV, Jønson L, Gerdes AM, Ejlertsen B, de la Hoya M, Caldés T, Dunning AM, Oliver C, Fineberg E, Cook M, Peock S, McCann E, Murray A, Jacobs C, Pichert G, Lalloo F, Chu C, Dorkins H, Paterson J, Ong KR, Teixeira MR, Hogervorst FB, van der Hout AH, Seynaeve C, van der Luijt RB, Ligtenberg MJ, Devilee P, Wijnen JT, Rookus MA, Meijers-Heijboer HE, Blok MJ, van den Ouweland AM, Aalfs CM, Rodriguez GC, Phillips KA, Piedmonte M, Nerenstone SR, Bae-Jump VL, O'Malley DM, Ratner ES, Schmutzler RK, Wappenschmidt B, Rhiem K, Engel C, Meindl A, Ditsch N, Arnold N, Plendl HJ, Niederacher D, Sutter C, Wang-Gohrke S, Steinemann D, Preisler-Adams S, Kast K, Varon-Mateeva R, Gehrig A, Bojesen A, Pedersen IS, Sunde L, Jensen UB, Thomassen M, Kruse TA, Foretova L, Peterlongo P, Bernard L, Peissel B, Scuvera G, Manoukian S, Radice P, Ottini L, Montagna M, Agata S, Maugard C, Simard J, Soucy P, Berger A, Fink-Retter A, Singer CF, Rappaport C, Geschwantler-Kaulich D, Tea MK, Pfeiler G, John EM, Miron A, Neuhausen SL, Terry MB, Chung WK, Daly MB, Goldgar DE, Janavicius R, Dorfling CM, van Rensburg EJ, Fostira F, Konstantopoulou I, Garber J, Godwin AK, Olah E, Narod SA, Rennert G, Paluch SS, Laitman Y, Friedman E, Liljegren A, Rantala J, Stenmark-Askmalm M, Loman N, Imyanitov EN, Hamann U, Spurdle AB, Healey S, Weitzel JN, Herzog J, Margileth D, Gorrini C, Esteller M, Gómez A, Sayols S, Vidal E, Heyn H, Stoppa-Lyonnet D, Léoné M, Barjhoux L, Fassy-Colcombet M, de Pauw A, Lasset C, Ferrer SF, Castera L, Berthet P, Cornelis F, Bignon YJ, Damiola F, Mazoyer S, Sinilnikova OM, Maxwell CA, Vijai J, Robson M, Kauff N, Corines MJ, Villano D, Cunningham J, Lee A, Lindor N, Lázaro C, Easton DF, Offit K, Chenevix-Trench G, Couch FJ, Antoniou AC, and Pujana MA

Subjects
Aurora Kinase A genetics, Breast Neoplasms enzymology, Breast Neoplasms pathology, Carcinogenesis genetics, Cell Cycle Proteins genetics, Estrogen Receptor alpha metabolism, Evolution, Molecular, Extracellular Matrix Proteins genetics, Female, Genetic Loci genetics, Humans, Hyaluronan Receptors genetics, Likelihood Functions, Mammary Glands, Human metabolism, Microtubule-Associated Proteins genetics, Nuclear Proteins genetics, Polymorphism, Single Nucleotide, Retrospective Studies, Tubulin genetics, Breast Neoplasms genetics, Genes, BRCA1, Genes, BRCA2, Genetic Predisposition to Disease genetics, Mutation
Abstract

While interplay between BRCA1 and AURKA-RHAMM-TPX2-TUBG1 regulates mammary epithelial polarization, common genetic variation in HMMR (gene product RHAMM) may be associated with risk of breast cancer in BRCA1 mutation carriers. Following on these observations, we further assessed the link between the AURKA-HMMR-TPX2-TUBG1 functional module and risk of breast cancer in BRCA1 or BRCA2 mutation carriers. Forty-one single nucleotide polymorphisms (SNPs) were genotyped in 15,252 BRCA1 and 8,211 BRCA2 mutation carriers and subsequently analyzed using a retrospective likelihood approach. The association of HMMR rs299290 with breast cancer risk in BRCA1 mutation carriers was confirmed: per-allele hazard ratio (HR) = 1.10, 95% confidence interval (CI) 1.04-1.15, p = 1.9 x 10(-4) (false discovery rate (FDR)-adjusted p = 0.043). Variation in CSTF1, located next to AURKA, was also found to be associated with breast cancer risk in BRCA2 mutation carriers: rs2426618 per-allele HR = 1.10, 95% CI 1.03-1.16, p = 0.005 (FDR-adjusted p = 0.045). Assessment of pairwise interactions provided suggestions (FDR-adjusted pinteraction values > 0.05) for deviations from the multiplicative model for rs299290 and CSTF1 rs6064391, and rs299290 and TUBG1 rs11649877 in both BRCA1 and BRCA2 mutation carriers. Following these suggestions, the expression of HMMR and AURKA or TUBG1 in sporadic breast tumors was found to potentially interact, influencing patients' survival. Together, the results of this study support the hypothesis of a causative link between altered function of AURKA-HMMR-TPX2-TUBG1 and breast carcinogenesis in BRCA1/2 mutation carriers.

Published
2015
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3. A nonsynonymous polymorphism in IRS1 modifies risk of developing breast and ovarian cancers in BRCA1 and ovarian cancer in BRCA2 mutation carriers.

Author

Ding YC, McGuffog L, Healey S, Friedman E, Laitman Y, Paluch-Shimon S, Kaufman B, Liljegren A, Lindblom A, Olsson H, Kristoffersson U, Stenmark-Askmalm M, Melin B, Domchek SM, Nathanson KL, Rebbeck TR, Jakubowska A, Lubinski J, Jaworska K, Durda K, Gronwald J, Huzarski T, Cybulski C, Byrski T, Osorio A, Cajal TR, Stavropoulou AV, Benítez J, Hamann U, Rookus M, Aalfs CM, de Lange JL, Meijers-Heijboer HE, Oosterwijk JC, van Asperen CJ, Gómez García EB, Hoogerbrugge N, Jager A, van der Luijt RB, Easton DF, Peock S, Frost D, Ellis SD, Platte R, Fineberg E, Evans DG, Lalloo F, Izatt L, Eeles R, Adlard J, Davidson R, Eccles D, Cole T, Cook J, Brewer C, Tischkowitz M, Godwin AK, Pathak H, Stoppa-Lyonnet D, Sinilnikova OM, Mazoyer S, Barjhoux L, Léoné M, Gauthier-Villars M, Caux-Moncoutier V, de Pauw A, Hardouin A, Berthet P, Dreyfus H, Ferrer SF, Collonge-Rame MA, Sokolowska J, Buys S, Daly M, Miron A, Terry MB, Chung W, John EM, Southey M, Goldgar D, Singer CF, Tea MK, Gschwantler-Kaulich D, Fink-Retter A, Hansen TV, Ejlertsen B, Johannsson OT, Offit K, Sarrel K, Gaudet MM, Vijai J, Robson M, Piedmonte MR, Andrews L, Cohn D, DeMars LR, DiSilvestro P, Rodriguez G, Toland AE, Montagna M, Agata S, Imyanitov E, Isaacs C, Janavicius R, Lazaro C, Blanco I, Ramus SJ, Sucheston L, Karlan BY, Gross J, Ganz PA, Beattie MS, Schmutzler RK, Wappenschmidt B, Meindl A, Arnold N, Niederacher D, Preisler-Adams S, Gadzicki D, Varon-Mateeva R, Deissler H, Gehrig A, Sutter C, Kast K, Nevanlinna H, Aittomäki K, Simard J, Spurdle AB, Beesley J, Chen X, Tomlinson GE, Weitzel J, Garber JE, Olopade OI, Rubinstein WS, Tung N, Blum JL, Narod SA, Brummel S, Gillen DL, Lindor N, Fredericksen Z, Pankratz VS, Couch FJ, Radice P, Peterlongo P, Greene MH, Loud JT, Mai PL, Andrulis IL, Glendon G, Ozcelik H, Gerdes AM, Thomassen M, Jensen UB, Skytte AB, Caligo MA, Lee A, Chenevix-Trench G, Antoniou AC, and Neuhausen SL

Subjects
Cohort Studies, Female, Genetic Predisposition to Disease, Genotype, Humans, Mutation, Polymorphism, Single Nucleotide, Breast Neoplasms genetics, Genes, BRCA1, Genes, BRCA2, Insulin Receptor Substrate Proteins genetics, Ovarian Neoplasms genetics
Abstract

Background: We previously reported significant associations between genetic variants in insulin receptor substrate 1 (IRS1) and breast cancer risk in women carrying BRCA1 mutations. The objectives of this study were to investigate whether the IRS1 variants modified ovarian cancer risk and were associated with breast cancer risk in a larger cohort of BRCA1 and BRCA2 mutation carriers., Methods: IRS1 rs1801123, rs1330645, and rs1801278 were genotyped in samples from 36 centers in the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA). Data were analyzed by a retrospective cohort approach modeling the associations with breast and ovarian cancer risks simultaneously. Analyses were stratified by BRCA1 and BRCA2 status and mutation class in BRCA1 carriers., Results: Rs1801278 (Gly972Arg) was associated with ovarian cancer risk for both BRCA1 (HR, 1.43; 95% confidence interval (CI), 1.06-1.92; P = 0.019) and BRCA2 mutation carriers (HR, 2.21; 95% CI, 1.39-3.52, P = 0.0008). For BRCA1 mutation carriers, the breast cancer risk was higher in carriers with class II mutations than class I mutations (class II HR, 1.86; 95% CI, 1.28-2.70; class I HR, 0.86; 95%CI, 0.69-1.09; P(difference), 0.0006). Rs13306465 was associated with ovarian cancer risk in BRCA1 class II mutation carriers (HR, 2.42; P = 0.03)., Conclusion: The IRS1 Gly972Arg single-nucleotide polymorphism, which affects insulin-like growth factor and insulin signaling, modifies ovarian cancer risk in BRCA1 and BRCA2 mutation carriers and breast cancer risk in BRCA1 class II mutation carriers., Impact: These findings may prove useful for risk prediction for breast and ovarian cancers in BRCA1 and BRCA2 mutation carriers., (©2012 AACR.)

Published
2012
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4. Association of PHB 1630 C>T and MTHFR 677 C>T polymorphisms with breast and ovarian cancer risk in BRCA1/2 mutation carriers: results from a multicenter study.

Author

Jakubowska A, Rozkrut D, Antoniou A, Hamann U, Scott RJ, McGuffog L, Healy S, Sinilnikova OM, Rennert G, Lejbkowicz F, Flugelman A, Andrulis IL, Glendon G, Ozcelik H, Thomassen M, Paligo M, Aretini P, Kantala J, Aroer B, von Wachenfeldt A, Liljegren A, Loman N, Herbst K, Kristoffersson U, Rosenquist R, Karlsson P, Stenmark-Askmalm M, Melin B, Nathanson KL, Domchek SM, Byrski T, Huzarski T, Gronwald J, Menkiszak J, Cybulski C, Serrano P, Osorio A, Cajal TR, Tsitlaidou M, Benítez J, Gilbert M, Rookus M, Aalfs CM, Kluijt I, Boessenkool-Pape JL, Meijers-Heijboer HE, Oosterwijk JC, van Asperen CJ, Blok MJ, Nelen MR, van den Ouweland AM, Seynaeve C, van der Luijt RB, Devilee P, Easton DF, Peock S, Frost D, Platte R, Ellis SD, Fineberg E, Evans DG, Lalloo F, Eeles R, Jacobs C, Adlard J, Davidson R, Eccles D, Cole T, Cook J, Godwin A, Bove B, Stoppa-Lyonnet D, Caux-Moncoutier V, Belotti M, Tirapo C, Mazoyer S, Barjhoux L, Boutry-Kryza N, Pujol P, Coupier I, Peyrat JP, Vennin P, Muller D, Fricker JP, Venat-Bouvet L, Johannsson OT, Isaacs C, Schmutzler R, Wappenschmidt B, Meindl A, Arnold N, Varon-Mateeva R, Niederacher D, Sutter C, Deissler H, Preisler-Adams S, Simard J, Soucy P, Durocher F, Chenevix-Trench G, Beesley J, Chen X, Rebbeck T, Couch F, Wang X, Lindor N, Fredericksen Z, Pankratz VS, Peterlongo P, Bonanni B, Fortuzzi S, Peissel B, Szabo C, Mai PL, Loud JT, and Lubinski J

Subjects
Female, Genetic Predisposition to Disease, Heterozygote, Humans, Mutation, Prohibitins, Risk, Breast Neoplasms genetics, Genes, BRCA1, Genes, BRCA2, Methylenetetrahydrofolate Reductase (NADPH2) genetics, Ovarian Neoplasms genetics, Polymorphism, Genetic, Repressor Proteins genetics
Abstract

Background: The variable penetrance of breast cancer in BRCA1/2 mutation carriers suggests that other genetic or environmental factors modify breast cancer risk. Two genes of special interest are prohibitin (PHB) and methylene-tetrahydrofolate reductase (MTHFR), both of which are important either directly or indirectly in maintaining genomic integrity., Methods: To evaluate the potential role of genetic variants within PHB and MTHFR in breast and ovarian cancer risk, 4102 BRCA1 and 2093 BRCA2 mutation carriers, and 6211 BRCA1 and 2902 BRCA2 carriers from the Consortium of Investigators of Modifiers of BRCA1 and BRCA2 (CIMBA) were genotyped for the PHB 1630 C>T (rs6917) polymorphism and the MTHFR 677 C>T (rs1801133) polymorphism, respectively., Results: There was no evidence of association between the PHB 1630 C>T and MTHFR 677 C>T polymorphisms with either disease for BRCA1 or BRCA2 mutation carriers when breast and ovarian cancer associations were evaluated separately. Analysis that evaluated associations for breast and ovarian cancer simultaneously showed some evidence that BRCA1 mutation carriers who had the rare homozygote genotype (TT) of the PHB 1630 C>T polymorphism were at increased risk of both breast and ovarian cancer (HR 1.50, 95%CI 1.10-2.04 and HR 2.16, 95%CI 1.24-3.76, respectively). However, there was no evidence of association under a multiplicative model for the effect of each minor allele., Conclusion: The PHB 1630TT genotype may modify breast and ovarian cancer risks in BRCA1 mutation carriers. This association need to be evaluated in larger series of BRCA1 mutation carriers.

Published
2012
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5. Evaluation of the XRCC1 gene as a phenotypic modifier in BRCA1/2 mutation carriers. Results from the consortium of investigators of modifiers of BRCA1/BRCA2.

Author

Osorio A, Milne RL, Alonso R, Pita G, Peterlongo P, Teulé A, Nathanson KL, Domchek SM, Rebbeck T, Lasa A, Konstantopoulou I, Hogervorst FB, Verhoef S, van Dooren MF, Jager A, Ausems MG, Aalfs CM, van Asperen CJ, Vreeswijk M, Waisfisz Q, Van Roozendaal CE, Ligtenberg MJ, Easton DF, Peock S, Cook M, Oliver CT, Frost D, Curzon B, Evans DG, Lalloo F, Eeles R, Izatt L, Davidson R, Adlard J, Eccles D, Ong KR, Douglas F, Downing S, Brewer C, Walker L, Nevanlinna H, Aittomäki K, Couch FJ, Fredericksen Z, Lindor NM, Godwin A, Isaacs C, Caligo MA, Loman N, Jernström H, Barbany-Bustinza G, Liljegren A, Ehrencrona H, Stenmark-Askmalm M, Feliubadaló L, Manoukian S, Peissel B, Zaffaroni D, Bonanni B, Fortuzzi S, Johannsson OT, Chenevix-Trench G, Chen XC, Beesley J, Spurdle AB, Sinilnikova OM, Healey S, McGuffog L, Antoniou AC, Brunet J, Radice P, and Benítez J

Subjects
Adolescent, Adult, Aged, Aged, 80 and over, Breast Neoplasms epidemiology, Carcinoma epidemiology, DNA-Binding Proteins genetics, Female, Focus Groups, Genetic Predisposition to Disease, Heterozygote, Humans, Middle Aged, Phenotype, Polymorphism, Single Nucleotide, X-ray Repair Cross Complementing Protein 1, Young Adult, Breast Neoplasms genetics, Carcinoma genetics, DNA-Binding Proteins physiology, Epistasis, Genetic physiology, Genes, BRCA1 physiology, Genes, BRCA2 physiology
Abstract

Background: Single-nucleotide polymorphisms (SNPs) in genes involved in DNA repair are good candidates to be tested as phenotypic modifiers for carriers of mutations in the high-risk susceptibility genes BRCA1 and BRCA2. The base excision repair (BER) pathway could be particularly interesting given the relation of synthetic lethality that exists between one of the components of the pathway, PARP1, and both BRCA1 and BRCA2. In this study, we have evaluated the XRCC1 gene that participates in the BER pathway, as phenotypic modifier of BRCA1 and BRCA2., Methods: Three common SNPs in the gene, c.-77C>T (rs3213245) p.Arg280His (rs25489) and p.Gln399Arg (rs25487) were analysed in a series of 701 BRCA1 and 576 BRCA2 mutation carriers., Results: An association was observed between p.Arg280His-rs25489 and breast cancer risk for BRCA2 mutation carriers, with rare homozygotes at increased risk relative to common homozygotes (hazard ratio: 22.3, 95% confidence interval: 14.3-34, P<0.001). This association was further tested in a second series of 4480 BRCA1 and 3016 BRCA2 mutation carriers from the Consortium of Investigators of Modifiers of BRCA1 and BRCA2., Conclusions and Interpretation: No evidence of association was found when the larger series was analysed which lead us to conclude that none of the three SNPs are significant modifiers of breast cancer risk for mutation carriers.

Published
2011
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6. Genetic variation at 9p22.2 and ovarian cancer risk for BRCA1 and BRCA2 mutation carriers.

Author

Ramus SJ, Kartsonaki C, Gayther SA, Pharoah PD, Sinilnikova OM, Beesley J, Chen X, McGuffog L, Healey S, Couch FJ, Wang X, Fredericksen Z, Peterlongo P, Manoukian S, Peissel B, Zaffaroni D, Roversi G, Barile M, Viel A, Allavena A, Ottini L, Papi L, Gismondi V, Capra F, Radice P, Greene MH, Mai PL, Andrulis IL, Glendon G, Ozcelik H, Thomassen M, Gerdes AM, Kruse TA, Cruger D, Jensen UB, Caligo MA, Olsson H, Kristoffersson U, Lindblom A, Arver B, Karlsson P, Stenmark Askmalm M, Borg A, Neuhausen SL, Ding YC, Nathanson KL, Domchek SM, Jakubowska A, Lubiński J, Huzarski T, Byrski T, Gronwald J, Górski B, Cybulski C, Dębniak T, Osorio A, Durán M, Tejada MI, Benítez J, Hamann U, Rookus MA, Verhoef S, Tilanus-Linthorst MA, Vreeswijk MP, Bodmer D, Ausems MG, van Os TA, Asperen CJ, Blok MJ, Meijers-Heijboer HE, Peock S, Cook M, Oliver C, Frost D, Dunning AM, Evans DG, Eeles R, Pichert G, Cole T, Hodgson S, Brewer C, Morrison PJ, Porteous M, Kennedy MJ, Rogers MT, Side LE, Donaldson A, Gregory H, Godwin A, Stoppa-Lyonnet D, Moncoutier V, Castera L, Mazoyer S, Barjhoux L, Bonadona V, Leroux D, Faivre L, Lidereau R, Nogues C, Bignon YJ, Prieur F, Collonge-Rame MA, Venat-Bouvet L, Fert-Ferrer S, Miron A, Buys SS, Hopper JL, Daly MB, John EM, Terry MB, Goldgar D, Hansen Tv, Jønson L, Ejlertsen B, Agnarsson BA, Offit K, Kirchhoff T, Vijai J, Dutra-Clarke AV, Przybylo JA, Montagna M, Casella C, Imyanitov EN, Janavicius R, Blanco I, Lázaro C, Moysich KB, Karlan BY, Gross J, Beattie MS, Schmutzler R, Wappenschmidt B, Meindl A, Ruehl I, Fiebig B, Sutter C, Arnold N, Deissler H, Varon-Mateeva R, Kast K, Niederacher D, Gadzicki D, Caldes T, de la Hoya M, Nevanlinna H, Aittomäki K, Simard J, Soucy P, Spurdle AB, Holland H, Chenevix-Trench G, Easton DF, and Antoniou AC

Subjects
Adult, Aged, Aged, 80 and over, Alleles, Female, Genotype, Humans, Likelihood Functions, Middle Aged, Odds Ratio, Retrospective Studies, Risk Factors, Chromosomes, Human, Pair 9 genetics, Genes, BRCA1, Genes, BRCA2, Germ-Line Mutation, Heterozygote, Ovarian Neoplasms genetics, Polymorphism, Single Nucleotide
Abstract

Background: Germline mutations in the BRCA1 and BRCA2 genes are associated with increased risks of breast and ovarian cancers. Although several common variants have been associated with breast cancer susceptibility in mutation carriers, none have been associated with ovarian cancer susceptibility. A genome-wide association study recently identified an association between the rare allele of the single-nucleotide polymorphism (SNP) rs3814113 (ie, the C allele) at 9p22.2 and decreased risk of ovarian cancer for women in the general population. We evaluated the association of this SNP with ovarian cancer risk among BRCA1 or BRCA2 mutation carriers by use of data from the Consortium of Investigators of Modifiers of BRCA1/2., Methods: We genotyped rs3814113 in 10,029 BRCA1 mutation carriers and 5837 BRCA2 mutation carriers. Associations with ovarian and breast cancer were assessed with a retrospective likelihood approach. All statistical tests were two-sided., Results: The minor allele of rs3814113 was associated with a reduced risk of ovarian cancer among BRCA1 mutation carriers (per-allele hazard ratio of ovarian cancer = 0.78, 95% confidence interval = 0.72 to 0.85; P = 4.8 × 10(-9)) and BRCA2 mutation carriers (hazard ratio of ovarian cancer = 0.78, 95% confidence interval = 0.67 to 0.90; P = 5.5 × 10(-4)). This SNP was not associated with breast cancer risk among either BRCA1 or BRCA2 mutation carriers. BRCA1 mutation carriers with the TT genotype at SNP rs3814113 were predicted to have an ovarian cancer risk to age 80 years of 48%, and those with the CC genotype were predicted to have a risk of 33%., Conclusion: Common genetic variation at the 9p22.2 locus was associated with decreased risk of ovarian cancer for carriers of a BRCA1 or BRCA2 mutation.

Published
2011
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7. Common breast cancer susceptibility alleles are associated with tumour subtypes in BRCA1 and BRCA2 mutation carriers: results from the Consortium of Investigators of Modifiers of BRCA1/2.

Author

Mulligan AM, Couch FJ, Barrowdale D, Domchek SM, Eccles D, Nevanlinna H, Ramus SJ, Robson M, Sherman M, Spurdle AB, Wappenschmidt B, Lee A, McGuffog L, Healey S, Sinilnikova OM, Janavicius R, Hansen Tv, Nielsen FC, Ejlertsen B, Osorio A, Muñoz-Repeto I, Durán M, Godino J, Pertesi M, Benítez J, Peterlongo P, Manoukian S, Peissel B, Zaffaroni D, Cattaneo E, Bonanni B, Viel A, Pasini B, Papi L, Ottini L, Savarese A, Bernard L, Radice P, Hamann U, Verheus M, Meijers-Heijboer HE, Wijnen J, Gómez García EB, Nelen MR, Kets CM, Seynaeve C, Tilanus-Linthorst MM, van der Luijt RB, van Os T, Rookus M, Frost D, Jones JL, Evans DG, Lalloo F, Eeles R, Izatt L, Adlard J, Davidson R, Cook J, Donaldson A, Dorkins H, Gregory H, Eason J, Houghton C, Barwell J, Side LE, McCann E, Murray A, Peock S, Godwin AK, Schmutzler RK, Rhiem K, Engel C, Meindl A, Ruehl I, Arnold N, Niederacher D, Sutter C, Deissler H, Gadzicki D, Kast K, Preisler-Adams S, Varon-Mateeva R, Schoenbuchner I, Fiebig B, Heinritz W, Schäfer D, Gevensleben H, Caux-Moncoutier V, Fassy-Colcombet M, Cornelis F, Mazoyer S, Léoné M, Boutry-Kryza N, Hardouin A, Berthet P, Muller D, Fricker JP, Mortemousque I, Pujol P, Coupier I, Lebrun M, Kientz C, Longy M, Sevenet N, Stoppa-Lyonnet D, Isaacs C, Caldes T, de la Hoya M, Heikkinen T, Aittomäki K, Blanco I, Lazaro C, Barkardottir RB, Soucy P, Dumont M, Simard J, Montagna M, Tognazzo S, D'Andrea E, Fox S, Yan M, Rebbeck T, Olopade O, Weitzel JN, Lynch HT, Ganz PA, Tomlinson GE, Wang X, Fredericksen Z, Pankratz VS, Lindor NM, Szabo C, Offit K, Sakr R, Gaudet M, Bhatia J, Kauff N, Singer CF, Tea MK, Gschwantler-Kaulich D, Fink-Retter A, Mai PL, Greene MH, Imyanitov E, O'Malley FP, Ozcelik H, Glendon G, Toland AE, Gerdes AM, Thomassen M, Kruse TA, Jensen UB, Skytte AB, Caligo MA, Soller M, Henriksson K, Wachenfeldt vA, Arver B, Stenmark-Askmalm M, Karlsson P, Ding YC, Neuhausen SL, Beattie M, Pharoah PD, Moysich KB, Nathanson KL, Karlan BY, Gross J, John EM, Daly MB, Buys SM, Southey MC, Hopper JL, Terry MB, Chung W, Miron AF, Goldgar D, Chenevix-Trench G, Easton DF, Andrulis IL, and Antoniou AC

Subjects
Breast Neoplasms classification, Breast Neoplasms metabolism, Female, Humans, Polymorphism, Single Nucleotide, Receptors, Estrogen metabolism, Receptors, Progesterone metabolism, Risk, Alleles, Breast Neoplasms genetics, Genes, BRCA1, Genes, BRCA2, Genetic Predisposition to Disease, Heterozygote, Mutation
Abstract

Introduction: Previous studies have demonstrated that common breast cancer susceptibility alleles are differentially associated with breast cancer risk for BRCA1 and/or BRCA2 mutation carriers. It is currently unknown how these alleles are associated with different breast cancer subtypes in BRCA1 and BRCA2 mutation carriers defined by estrogen (ER) or progesterone receptor (PR) status of the tumour., Methods: We used genotype data on up to 11,421 BRCA1 and 7,080 BRCA2 carriers, of whom 4,310 had been affected with breast cancer and had information on either ER or PR status of the tumour, to assess the associations of 12 loci with breast cancer tumour characteristics. Associations were evaluated using a retrospective cohort approach., Results: The results suggested stronger associations with ER-positive breast cancer than ER-negative for 11 loci in both BRCA1 and BRCA2 carriers. Among BRCA1 carriers, single nucleotide polymorphism (SNP) rs2981582 (FGFR2) exhibited the biggest difference based on ER status (per-allele hazard ratio (HR) for ER-positive = 1.35, 95% CI: 1.17 to 1.56 vs HR = 0.91, 95% CI: 0.85 to 0.98 for ER-negative, P-heterogeneity = 6.5 × 10-6). In contrast, SNP rs2046210 at 6q25.1 near ESR1 was primarily associated with ER-negative breast cancer risk for both BRCA1 and BRCA2 carriers. In BRCA2 carriers, SNPs in FGFR2, TOX3, LSP1, SLC4A7/NEK10, 5p12, 2q35, and 1p11.2 were significantly associated with ER-positive but not ER-negative disease. Similar results were observed when differentiating breast cancer cases by PR status., Conclusions: The associations of the 12 SNPs with risk for BRCA1 and BRCA2 carriers differ by ER-positive or ER-negative breast cancer status. The apparent differences in SNP associations between BRCA1 and BRCA2 carriers, and non-carriers, may be explicable by differences in the prevalence of tumour subtypes. As more risk modifying variants are identified, incorporating these associations into breast cancer subtype-specific risk models may improve clinical management for mutation carriers.

Published
2011
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8. Exploring the link between MORF4L1 and risk of breast cancer

Author

Martrat, G., Maxwell, C.A., Tominaga, E., Porta-de-la-Riva, M., Bonifaci, N., Gomez-Baldo, L., Bogliolo, M., Lazaro, C., Blanco, I., Brunet, J., Aguilar, H., Fernandez-Rodriguez, J., Seal, S., Renwick, A., Rahman, N., Kuhl, J., Neveling, K., Schindler, D., Ramirez, M.J., Castella, M., Hernandez, G., Easton, D.F., Peock, S., Cook, M., Oliver, C.T., Frost, D., Platte, R., Evans, D.G., Lalloo, F., Eeles, R., Izatt, L., Chu, C., Davidson, R., Ong, K.R., Cook, J., Douglas, F., Hodgson, S., Brewer, C., Morrison, P.J., Porteous, M., Peterlongo, P., Manoukian, S., Peissel, B., Zaffaroni, D., Roversi, G., Barile, M., Viel, A., Pasini, B., Ottini, L., Putignano, A.L., Savarese, A., Bernard, L., Radice, P., Healey, S., Spurdle, A., Chen, X.Q., Beesley, J., Rookus, M.A., Verhoef, S., Tilanus-Linthorst, M.A., Vreeswijk, M.P., Asperen, C.J., Bodmer, D., Ausems, M.G.E.M., Os, T.A. van, Blok, M.J., Meijers-Heijboer, H.E.J., Hogervorst, F.B.L., Goldgar, D.E., Buys, S., John, E.M., Miron, A., Southey, M., Daly, M.B., Harbst, K., Borg, A., Rantala, J., Barbany-Bustinza, G., Ehrencrona, H., Stenmark-Askmalm, M., Kaufman, B., Laitman, Y., Milgrom, R., Friedman, E., Domchek, S.M., Nathanson, K.L., Rebbeck, T.R., Oskar, T., Couch, F.J., Wang, X.S., Fredericksen, Z., Cuadras, D., Moreno, V., Pientka, F.K., Depping, R., Caldes, T., Osorio, A., Benitez, J., Bueren, J., Heikkinen, T., Nevanlinna, H., Hamann, U., Torres, D., Caligo, M.A., Godwin, A.K., Imyanitov, E.N., Janavicius, R., Sinilnikova, O.M., Stoppa-Lyonnet, D., Mazoyer, S., Verny-Pierre, C., Castera, L., Pauw, A. de, Bignon, Y.J., Uhrhammer, N., Peyrat, J.P., Vennin, P., Ferrer, S.F., Collonge-Rame, M.A., Mortemousque, I., McGuffog, L., Chenevix-Trench, G., Pereira-Smith, O.M., Antoniou, A.C., Ceron, J., Tominaga, K., Surralles, J., Pujana, M.A., EMBRACE, kConFab, HEBON, BCFR, SWE-BRCA, GEMO Study Collaborators, Human Genetics, BMC, Ed., Translational Research Laboratory, Catalan Institute of Oncology-Bellvitge Institute for Biomedical Research, Biomedical Research Centre Network for Epidemiology and Public Health (CIBERESP), Catalan Institute of Oncology, Department of Cellular and Structural Biology, The University of Texas Health Science Center at Houston (UTHealth)-Sam and Ann Barshop Institute for Longevity and Aging Studies, Chemoresistance and Predictive Factors of Tumor Response and Stromal Microenvironment, Institut d'Investigació Biomèdica de Bellvitge [Barcelone] (IDIBELL), Biomarkers and Susceptibility Unit, Department of Genetics and Microbiology, Universitat Autònoma de Barcelona (UAB), Biomedical Research Centre Network for Rare Diseases (CIBERER), Genetic Counseling and Hereditary Cancer Programme, Section of Cancer Genetics, Institute of cancer research, Department of Human Genetics, Julius-Maximilians-Universität Würzburg (JMU), Strangeways Research Laboratory, University of Cambridge [UK] (CAM)-Department of Public Health and Primary Care-Centre for Cancer Genetic Epidemiology, Centre for Cancer Genetic Epidemiology [Cambridge], University of Cambridge [UK] (CAM)-Department of Oncology, Genetic Medicine, St Mary's Hospital-NHS Foundation Trust-Manchester Academic Health Sciences Centre-Central Manchester University Hospitals, Oncogenetics Team, The Institute of Cancer Research and Royal Marsden NHS Foundation Trust, Clinical Genetics Department, Guy's and St Thomas NHS Foundation Trust, Yorkshire Regional Genetics Service, St James's hospital, Ferguson-Smith Centre for Clinical Genetics, West Midlands Regional Genetics Service, Birmingham Women's and Children's NHS Foundation Trust, Sheffield Clinical Genetics Service, Sheffield Children's NHS Foundation Trust, Institute of Human Genetics, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Queen Mary University of London (QMUL)-St George's Hospital, Department of Clinical Genetics, Royal Devon & Exeter Hospital, Northern Ireland Regional Genetics Centre, Belfast City Hospital, South East of Scotland Regional Genetics Service, Western General Hospital, Unit of Molecular Bases of Genetic Risk and Genetic Testing, Department of Preventive and Predictive Medicine-Fondazione IRCCS Istituto Nazionale Tumori (INT), Department of Preventive and Predictive Medicine, IFOM, Istituto FIRC di Oncologia Molecolare (IFOM), Unit of Medical Genetics, Fondazione IRCCS INT, Division of Cancer Prevention and Genetics, Istituto Europeo di Oncologia (IEO), Division of Experimental Oncology 1, Centro di Riferimento Oncologico (CRO), Department of Genetics, Biology and Biochemistry, Università degli studi di Torino = University of Turin (UNITO), Department of Molecular Medicine, Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome] (UNIROMA), Università degli Studi di Firenze = University of Florence (UniFI), Fiorgen Foundation for Pharmacogenomics, Division of Medical Oncology, Regina Elena Cancer Institute, Department of Experimental Oncology, IEO, Division of Genetics and Population Health, Queensland Institute of Medical Research, Department of Epidemiology, The Netherlands Cancer Institute, Family Cancer Clinic, Department of Surgical Oncology, Erasmus University Medical Center [Rotterdam] (Erasmus MC)-Family Cancer Clinic, Center for Human and Clinical Genetics, Leiden University Medical Center (LUMC), DNA Diagnostics, Radboud University Medical Center [Nijmegen], Department of Medical Genetics, University Medical Center [Utrecht], Academic Medical Center - Academisch Medisch Centrum [Amsterdam] (AMC), University of Amsterdam [Amsterdam] (UvA)-University of Amsterdam [Amsterdam] (UvA), University Hospital Maastricht, VU Medical Center, Department of Dermatology, University of Utah School of Medicine [Salt Lake City], Department of Internal Medicine, Huntsman Cancer Institute, Cancer Prevention Institute of California, Department of Cancer Biology, Dana-Farber Cancer Institute [Boston], Department of Surgery, Harvard Medical School [Boston] (HMS), Centre for Molecular, Environmental, Genetic and Analytic Epidemiology (MEGA), University of Melbourne-Melbourne School of Population Health, Division of Population Science, Fox Chase Cancer Center, Department of Oncology, Clinical Sciences, Lund University [Lund]-Skåne University Hospital, Karolinska University Hospital [Stockholm], Department of Genetics and Pathology, Uppsala University, Department of Oncology, University Hospital-Hälsouniversitetet Universitetssjukhuset, The Institute of Oncology, Chaim Sheba Medical Center, The Susanne Levy Gertner Oncogenetics Unit, Sackler Faculty of Medicine, Tel Aviv University (TAU), Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania-University of Pennsylvania, Department of Medicine, Medical Genetics, Abramson Cancer Center-Perelman School of Medicine, Center for Clinical Epidemiology and Biostatistics, Faculty of Medicine, University of Iceland [Reykjavik], Department of Laboratory Medicine and Pathology, Mayo Clinic, Department of Health Sciences Research, Statistical Assessment Service, Department of Physiology, Universität zu Lübeck = University of Lübeck [Lübeck]-Center for Structural and Cell Biology in Medicine, Medical Oncology Branch, Hospital Clínico San Carlos, Human Cancer Genetics Programme, CIBER de Enfermedades Raras (CIBERER)-Spanish National Cancer Research Centre, Division of Hematopoiesis and Gene Therapy, Centro de Investigaciones Energéticas Medioambientales y Tecnológicas [Madrid] (CIEMAT), Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Molecular Genetics of Breast Cancer, German Cancer Research Center - Deutsches Krebsforschungszentrum [Heidelberg] (DKFZ), Instituto de Genética Humana, Pontificia Universidad Javeriana (PUJ), Section of Genetic Oncology, University of Pisa - Università di Pisa, Department of Pathology and Laboratory Medicine, University of Kansas Medical Center [Kansas City, KS, USA], Laboratory of Molecular Oncology, N.N. Petrov Institute of Oncology, Department of Molecular and Regenerative Medicine, Hematology, Oncology and Transfusion, Vilnius University [Vilnius]-Hospital Santariskiu Clinics, Unité Mixte de Génétique Constitutionnelle des Cancers Fréquents, Centre Léon Bérard [Lyon]-Hospices Civils de Lyon (HCL), Centre de Recherche en Cancérologie de Lyon (UNICANCER/CRCL), Centre Léon Bérard [Lyon]-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Service de Génétique Oncologique, Institut Curie [Paris], Unité de génétique et biologie des cancers (U830), Université Paris Descartes - Paris 5 (UPD5)-Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), Département d'Oncogénétique, Centre Jean Perrin [Clermont-Ferrand] (UNICANCER/CJP), UNICANCER-UNICANCER, Laboratoire d'Oncologie Moléculaire Humaine, Centre Régional de Lutte contre le Cancer Oscar Lambret [Lille] (UNICANCER/Lille), Université de Lille-UNICANCER-Université de Lille-UNICANCER, Consultation d'Oncogénétique, Laboratoire de Génétique Chromosomique, CH Chambéry, Département de Génétique et Reproduction, Centre Hospitalier Régional Universitaire de Besançon (CHRU Besançon)-Hôpital Saint-Jacques, Service de génétique [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours)-Hôpital Bretonneau, The CIMBA data management is supported by Cancer Research - UK., kConFab, HEBON, BCFR, SWE-BRCA, GEMO Study Collaborators, Autonomous University of Barcelona, Julius-Maximilians-Universität Würzburg [Wurtzbourg, Allemagne] (JMU), Department of Oncology-University of Cambridge [UK] (CAM), University of Turin, Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome], Università degli Studi di Firenze = University of Florence [Firenze] (UNIFI), Departament of Genetics and Pathology, Uppsala University-Rudbeck Laboratory, Tel Aviv University [Tel Aviv], University of Pennsylvania [Philadelphia]-University of Pennsylvania [Philadelphia], Universität zu Lübeck [Lübeck]-Center for Structural and Cell Biology in Medicine, University of Kansas Medical Center [Lawrence], Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Descartes - Paris 5 (UPD5), Université Lille Nord de France (COMUE)-UNICANCER-Université Lille Nord de France (COMUE)-UNICANCER, Universiteit Leiden-Universiteit Leiden, Skåne University Hospital-Lund University [Lund], University of Pennsylvania [Philadelphia]-University of Pennsylvania [Philadelphia]-Abramson Cancer Center, Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM), Hôpital Bretonneau-Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Clinical Genetics, Faculteit der Geneeskunde, Klinische Genetica, RS: GROW - School for Oncology and Reproduction, Genetica & Celbiologie, Easton, Douglas [0000-0003-2444-3247], Antoniou, Antonis [0000-0001-9223-3116], Apollo - University of Cambridge Repository, Martrat, G, Maxwell, C, Tominaga, E, Porta de la Riva, M, Bonifaci, N, Gómez Baldó, L, Bogliolo, M, Lázaro, C, Blanco, I, Brunet, J, Aguilar, H, Fernández Rodríguez, J, Seal, S, Renwick, A, Rahman, N, Kühl, J, Neveling, K, Schindler, D, Ramírez, M, Castellà, M, Hernández, G, Embrace, Easton, D, Peock, S, Cook, M, Oliver, C, Frost, D, Platte, R, Evans, D, Lalloo, F, Eeles, R, Izatt, L, Chu, C, Davidson, R, Ong, K, Cook, J, Douglas, F, Hodgson, S, Brewer, C, Morrison, P, Porteous, M, Peterlongo, P, Manoukian, S, Peissel, B, Zaffaroni, D, Roversi, G, Barile, M, Viel, A, Pasini, B, Ottini, L, Putignano, A, Savarese, A, Bernard, L, Radice, P, Healey, S, Spurdle, A, Chen, X, Beesley, J, Rookus, M, Verhoef, S, Tilanus Linthorst, M, Vreeswijk, M, Asperen, C, Bodmer, D, Ausems, M, van Os, T, Blok, M, Meijers Heijboer, H, Hogervorst, F, Goldgar, D, Buys, S, John, E, Miron, A, Southey, M, Daly, M, Harbst, K, Borg, A, Rantala, J, Barbany Bustinza, G, Ehrencrona, H, Stenmark Askmalm, M, Kaufman, B, Laitman, Y, Milgrom, R, Friedman, E, Domchek, S, Nathanson, K, Rebbeck, T, Johannsson, O, Couch, F, Wang, X, Fredericksen, Z, Cuadras, D, Moreno, V, Pientka, F, Depping, R, Caldés, T, Osorio, A, Benítez, J, Bueren, J, Heikkinen, T, Nevanlinna, H, Hamann, U, Torres, D, Caligo, M, Godwin, A, Imyanitov, E, Janavicius, R, Sinilnikova, O, Stoppa Lyonnet, D, Mazoyer, S, Verny Pierre, C, Castera, L, de Pauw, A, Bignon, Y, Uhrhammer, N, Peyrat, J, Vennin, P, Ferrer, S, Collonge Rame, M, Mortemousque, I, Mcguffog, L, Chenevix Trench, G, Pereira Smith, O, Antoniou, A, Cerón, J, Tominaga, K, Surrallés, J, Pujana, M, Human genetics, CCA - Oncogenesis, Biomedical Research Centre Network for Epidemiology and Public Health ( CIBERESP ), The University of Texas Health Science Center at San Antonio-Sam and Ann Barshop Institute for Longevity and Aging Studies, Institut d'Investigació Biomèdica de Bellvitge [Barcelone] ( IDIBELL ), Biomedical Research Centre Network for Rare Diseases ( CIBERER ), University of Würzburg, University of Cambridge [UK] ( CAM ) -Department of Public Health and Primary Care-Centre for Cancer Genetic Epidemiology, University of Cambridge [UK] ( CAM ) -Department of Oncology, Birmingham Women's Hospital Healthcare NHS Trust, Sheffield Children's Hospital, Newcastle Upon Tyne Hospitals NHS Trust, Queen Mary University of London ( QMUL ) -St George's Hospital, IFOM, Istituto FIRC di Oncologia Molecolare ( IFOM ), Università degli Studi di Roma 'La Sapienza' [Rome], University of Florence, Erasmus MC-Daniel den Hoed Cancer Center-Family Cancer Clinic, University Medical Center Utrecht, Academic Medical Center [Amsterdam] ( AMC ), University of Amsterdam [Amsterdam] ( UvA ) -University of Amsterdam [Amsterdam] ( UvA ), Harvard Medical School [Boston] ( HMS ), Centre for Molecular, Environmental, Genetic and Analytic Epidemiology ( MEGA ), University of Pennsylvania School of Medicine, University of Pennsylvania School of Medicine-Abramson Cancer Center, Centro de Investigaciones Energéticas, Deutsches Krebsforschungszentrum ( DKFZ ), Pontificia Universidad Javeriana, University of Pisa [Pisa], University of Kansas Medical Center, Centre Léon Bérard [Lyon]-Hospices Civils de Lyon ( HCL ), Centre de Recherche en Cancérologie de Lyon ( CRCL ), Centre Léon Bérard [Lyon]-Université Claude Bernard Lyon 1 ( UCBL ), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ), INSTITUT CURIE, Unité de génétique et biologie des cancers ( U830 ), Université Paris Descartes - Paris 5 ( UPD5 ) -Institut Curie-Institut National de la Santé et de la Recherche Médicale ( INSERM ), CRLCC Jean Perrin, CRLCC Oscar Lambret, Centre Hospitalier Régional Universitaire [Besançon] ( CHRU Besançon ) -Hôpital Saint-Jacques, Hôpital Bretonneau-CHRU Tours, and Universitat de Barcelona

Subjects
DNA Repair, Genes, BRCA2, RAD51, Genes, BRCA1, Germ-Cell, Helicase Brip1, medicine.disease_cause, [ SDV.CAN ] Life Sciences [q-bio]/Cancer, Mice, 0302 clinical medicine, Breast cancer, Fanconi anemia, Risk Factors, Replication Protein A, Teknik och teknologier, Homologous Recombination, skin and connective tissue diseases, C-Elegans, Genetics, Medicine(all), ddc:616, 0303 health sciences, Mutation, Fanconi Anemia Complementation Group D2 Protein, Nuclear Proteins, Anèmia aplàstica, 3. Good health, 030220 oncology & carcinogenesis, Chromodomain Protein, Engineering and Technology, Female, RNA Interference, Fanconi Anemia Complementation Group N Protein, Aplastic anemia, Research Article, BRCA2 Mutation Carrier, DNA repair, PALB2, Breast Neoplasms, [SDV.CAN]Life Sciences [q-bio]/Cancer, Biology, Cell Line, Càncer de mama, Genomic disorders and inherited multi-system disorders [IGMD 3], 03 medical and health sciences, SDG 3 - Good Health and Well-being, [SDV.CAN] Life Sciences [q-bio]/Cancer, Two-Hybrid System Techniques, medicine, Genetic predisposition, Animals, Humans, Genetic Predisposition to Disease, Caenorhabditis elegans, Gene, 030304 developmental biology, Phenocopy, Caenorhabditis-Elegan, Tumor Suppressor Proteins, medicine.disease, BRCA1, BRCA2, Pancreatic-Cancer, Fanconi Anemia, Genes, Cancer and Oncology, Fanconi-Anemia, Cancer research, Rad51 Recombinase, Susceptibility Gene, DNA Damage, Transcription Factors
Abstract

Introduction Proteins encoded by Fanconi anemia (FA) and/or breast cancer (BrCa) susceptibility genes cooperate in a common DNA damage repair signaling pathway. To gain deeper insight into this pathway and its influence on cancer risk, we searched for novel components through protein physical interaction screens. Methods Protein physical interactions were screened using the yeast two-hybrid system. Co-affinity purifications and endogenous co-immunoprecipitation assays were performed to corroborate interactions. Biochemical and functional assays in human, mouse and Caenorhabditis elegans models were carried out to characterize pathway components. Thirteen FANCD2-monoubiquitinylation-positive FA cell lines excluded for genetic defects in the downstream pathway components and 300 familial BrCa patients negative for BRCA1/2 mutations were analyzed for genetic mutations. Common genetic variants were genotyped in 9,573 BRCA1/2 mutation carriers for associations with BrCa risk. Results A previously identified co-purifying protein with PALB2 was identified, MRG15 (MORF4L1 gene). Results in human, mouse and C. elegans models delineate molecular and functional relationships with BRCA2, PALB2, RAD51 and RPA1 that suggest a role for MRG15 in the repair of DNA double-strand breaks. Mrg15-deficient murine embryonic fibroblasts showed moderate sensitivity to γ-irradiation relative to controls and reduced formation of Rad51 nuclear foci. Examination of mutants of MRG15 and BRCA2 C. elegans orthologs revealed phenocopy by accumulation of RPA-1 (human RPA1) nuclear foci and aberrant chromosomal compactions in meiotic cells. However, no alterations or mutations were identified for MRG15/MORF4L1 in unclassified FA patients and BrCa familial cases. Finally, no significant associations between common MORF4L1 variants and BrCa risk for BRCA1 or BRCA2 mutation carriers were identified: rs7164529, Ptrend = 0.45 and 0.05, P2df = 0.51 and 0.14, respectively; and rs10519219, Ptrend = 0.92 and 0.72, P2df = 0.76 and 0.07, respectively. Conclusions While the present study expands on the role of MRG15 in the control of genomic stability, weak associations cannot be ruled out for potential low-penetrance variants at MORF4L1 and BrCa risk among BRCA2 mutation carriers.

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