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1. Risk-reducing salpingo-oophorectomy, natural menopause, and breast cancer risk: an international prospective cohort of BRCA1 and BRCA2 mutation carriers

Author

Mavaddat, N., Antoniou, A.C., Mooij, T.M., Hooning, M.J., Heemskerk-Gerritsen, B.A., Nogues, C., Laborde, L., Breysse, E., Stoppa-Lyonnet, D., Gauthier-Villars, M., Buecher, B., Caron, O., Fourme-Mouret, E., Fricker, J.P., Lasset, C., Bonadona, V., Berthet, P., Faivre, L., Luporsi, E., Mari, V., Gladieff, L., Gesta, P., Sobol, H., Eisinger, F., Longy, M., Dugast, C., Colas, C., Coupier, I., Pujol, P., Corsini, C., Lortholary, A., Vennin, P., Adenis, C., Nguyen, T.D., Delnatte, C., Tinat, J., Tennevet, I., Limacher, J.M., Maugard, C., Bignon, Y.J., Demange, L., Penet, C., Dreyfus, H., Cohen-Haguenauer, O., Venat-Bouvet, L., Leroux, D., Zattara-Cannoni, H., Fert-Ferrer, S., Bera, O., Ellis, S., Barrowdale, D., Frost, D., Evans, D.G., Izatt, L., Adlard, J., Eeles, R., Brewer, C., Tischkowitz, M., Henderson, A., Cook, J., Eccles, D., Hogervorst, F.B.L., Collee, J.M., Asperen, C.J. van, Mensenkamp, A.R., Ausems, M.G.E.M., Meijers-Heijboer, H.E.J., Engelen, K. van, Blok, M.J., Oosterwijk, J.C., Verloop, J., Broek, E. van den, Mourits, M.J.E., Koppert, L.B., Hopper, J.L., John, E.M., Chung, W.K., Andrulis, I.L., Daly, M.B., Buys, S.S., Benitez, J., Caldes, T., Jakubowska, A., Simard, J., Singer, C.F., Tan, Y., Olah, E., Navratilova, M., Foretova, L., Gerdes, A.M., Roos-Blom, M.J., Leeuwen, F.E. van, Arver, B., Olsson, H., Schmutzler, R.K., Engel, C., Kast, K., Phillips, K.A., Terry, M.B., Milne, R.L., Goldgar, D.E., Rookus, M.A., Andrieu, N., Easton, D.F., GENEPSO, EMBRACE, HEBON, kConFab Investigators, IBCCS, kConFab, BCFR, University of Cambridge [UK] (CAM), Netherlands Cancer Institute (NKI), Antoni van Leeuwenhoek Hospital, Erasmus MC Cancer Institute, Rotterdam, Institut Paoli-Calmettes, Fédération nationale des Centres de lutte contre le Cancer (FNCLCC), Institut Curie [Paris], Institut Gustave Roussy (IGR), Département de médecine oncologique [Gustave Roussy], Centre Hospitalier Georges Renon [Niort] (CH Georges Renon Niort), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Centre Catherine-de-Sienne [Nantes] (CCS), Manchester University NHS Foundation Trust (MFT), Guy's & St Thomas' NHS Foundation Trust, Chapel Allerton Hospital, University of Leeds, Royal Marsden NHS Foundation Trust, Royal Devon & Exeter Hospital, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Sheffield Children's NHS Foundation Trust, Wessex clinical genetics service, Vrije Universiteit Amsterdam [Amsterdam] (VU), University Medical Center Groningen [Groningen] (UMCG), Department of Medical Genetics, University Medical Center [Utrecht], Centre for MEGA Epidemiology, The University of Melbourne, Victoria, Australia, Department of Epidemiology, Cancer Prevention Institute of California, Columbia University [New York], Departments of Molecular Genetics and Laboratory Medicine and Pathobiology, University of Toronto-Cancer Care Ontario, Division of Population Science, Fox Chase Cancer Center, Department of Internal Medicine, Huntsman Cancer Institute, Departemento Genetica Humana, Centro Nacional Investigaciones Oncologicas, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos [Madrid, Spain] (IdISSC), Department of Genetics and Pathology, International Hereditary Cancer Centre-Pomeranian Medical University [Szczecin] (PUM), Cancer Genomics Laboratory, Centre Hospitalier Universitaire de Québec, Division of Special Gynecology, Medizinische Universität Wien = Medical University of Vienna-Department of OB/GYN, Medizinische Universität Wien = Medical University of Vienna, National Institute of Oncology, Masaryk Memorial Cancer Institute (MMCI), Masaryk University [Brno] (MUNI), Department of Clinical Genetics [Copenhagen], Rigshospitalet [Copenhagen], Copenhagen University Hospital-Copenhagen University Hospital, The Netherlands Cancer Institute [Amsterdam, The Netherlands], Radiumhemmet, Karolinska University Hospital [Stockholm], Department of Oncology, Lund University Hospital, Division of Molecular Gyneco-Oncology, Department of Gynaecology and Obstetrics, Clinical Center Un, Institute for Medical Informatics, Statistics and Epidemiology [Leipzig] (IMISE), Universität Leipzig [Leipzig], Department of Gynaecology and Obstetrics, University Hospital Carl Gustav Carus, Dept of Haematology and Medical Oncology, Peter MacCallum Cancer Center, Department of Epidemiology [Columbia University], Columbia University [New York]-Columbia Mailman School of Public Health, Cancer Epidemiology Centre, Cancer Council Victoria, International Agency for Cancer Research (IACR), Netherlands Cancer Institute, Cancer et génome: Bioinformatique, biostatistiques et épidémiologie d'un système complexe, Mines Paris - PSL (École nationale supérieure des mines de Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), Université Paris sciences et lettres (PSL), Cancer Research U.K. Genetic Epidemiology Unit, Strangeways Research Laboratory, Andrieu, Nadine, Human genetics, Epidemiology and Data Science, Mavaddat, Nasim [0000-0003-0307-055X], Eeles, Ros [0000-0002-3698-6241], Engel, Christoph [0000-0002-7247-282X], Apollo - University of Cambridge Repository, Pomeranian Medical University-International Hereditary Cancer Centre, Masaryk Memorial Cancer Institute (RECAMO), Columbia Mailman School of Public Health-Columbia University [New York], Institut Curie [Paris]-MINES ParisTech - École nationale supérieure des mines de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM), Antoniou, Antonis [0000-0001-9223-3116], Tischkowitz, Marc [0000-0002-7880-0628], Easton, Douglas [0000-0003-2444-3247], Medical Oncology, Surgery, Cancer Research UK (Reino Unido), NIH - National Cancer Institute (NCI) (Estados Unidos), United States Department of Health and Human Services, Ministerio de Economía y Competitividad (España), Unión Europea. Comisión Europea. European Research Council (ERC), Norwegian EEA Financial Mechanism, Hungarian Scientific Research Fund (Hungría), Ministry of Education, Youth and Sports (República Checa), MH CZ -DRO (MMCI), National Health and Medical Research Council (Australia), Australian National Breast Cancer Foundation, Cancer Australia, ERA-NET TRANSAN JTC 2012 Cancer, Transcan grant, Biotechnology and Biological Sciences Research Council (Reino Unido), Pink Ribbons Project, Netherlands Organisation of Scientific Research, Dutch Cancer Society (Holanda), Instituto de Salud Carlos III, Deutsche Krebshilfe, National Institute for Health Research (Reino Unido), Unión Europea. Comisión Europea. 7 Programa Marco, Ministry of Economic Development, Innovation and Export Trade-grant, Canadian Institutes of Health Research, Cancer Research UK, NIH National Cancer Institute (NCI), United States Department of Health & Human Services National Institutes of Health (NIH) - USA, Ministerio de Economia y Competividad (MINECO), European Research Council (ERC), Hungarian Research Grants, MEYS -NPS I, National Health and Medical Research Council of Australia, BBMRI grant, Pink Ribbon grants, Netherlands Organisation of Scientific Research grant, KWF Kankerbestrijding, Instituto de Salud Carlos III - ISCIII, National Institute for Health Research (NIHR), European Union Seventh Framework Program (2007-2013), Canadian Institutes of Health Research (CIHR), Damage and Repair in Cancer Development and Cancer Treatment (DARE), Targeted Gynaecologic Oncology (TARGON), United States of Department of Health & Human Services, European Research Council, APH - Quality of Care, APH - Methodology, Graduate School, ARD - Amsterdam Reproduction and Development, RS: GROW - R4 - Reproductive and Perinatal Medicine, and MUMC+: DA KG Lab Centraal Lab (9)

Subjects
endocrine system diseases, SURGERY, [SDV]Life Sciences [q-bio], [SDV.GEN] Life Sciences [q-bio]/Genetics, Cohort Studies, 0302 clinical medicine, BRCA2 Mutation, Breast cancer, Surgical oncology, Prospective Studies, Prospective cohort study, skin and connective tissue diseases, Salpingo-oophorectomy/methods, 0303 health sciences, Natural menopause, Women's cancers Radboud Institute for Molecular Life Sciences [Radboudumc 17], Obstetrics, BRCA1 Protein, Breast Neoplasms/epidemiology, Incidence (epidemiology), Incidence, WOMEN, ASSOCIATION, Middle Aged, lcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogens, OVARIAN, BRCA2 Protein/genetics, 3. Good health, Menopause, Risk-reducing salpingo-oophorectomy, [SDV] Life Sciences [q-bio], 030220 oncology & carcinogenesis, SURVIVAL, Female, Research Article, Cohort study, Adult, medicine.medical_specialty, Salpingo-oophorectomy, Breast Neoplasms, [SDV.CAN]Life Sciences [q-bio]/Cancer, [SDV.GEN.GH] Life Sciences [q-bio]/Genetics/Human genetics, lcsh:RC254-282, 03 medical and health sciences, breast cancer, SDG 3 - Good Health and Well-being, [SDV.CAN] Life Sciences [q-bio]/Cancer, medicine, Humans, METAANALYSIS, 030304 developmental biology, BRCA2 Protein, [SDV.GEN]Life Sciences [q-bio]/Genetics, business.industry, CONSORTIUM, risk-reducing salpingo-oophorectomy, International Agencies, medicine.disease, BRCA1, BRCA2, KCONFAB, REDUCTION, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, LINK, Mutation, BRCA1 Protein/genetics, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, business, Risk Reduction Behavior
Abstract

The effect of risk-reducing salpingo-oophorectomy (RRSO) on breast cancer risk for BRCA1 and BRCA2 mutation carriers is uncertain. Retrospective analyses have suggested a protective effect but may be substantially biased. Prospective studies have had limited power, particularly for BRCA2 mutation carriers. Further, previous studies have not considered the effect of RRSO in the context of natural menopause. A multi-centre prospective cohort of 2272 BRCA1 and 1605 BRCA2 mutation carriers was followed for a mean of 5.4 and 4.9 years, respectively; 426 women developed incident breast cancer. RRSO was modelled as a time-dependent covariate in Cox regression, and its effect assessed in premenopausal and postmenopausal women. There was no association between RRSO and breast cancer for BRCA1 (HR = 1.23; 95% CI 0.94-1.61) or BRCA2 (HR = 0.88; 95% CI 0.62-1.24) mutation carriers. For BRCA2 mutation carriers, HRs were 0.68 (95% CI 0.40-1.15) and 1.07 (95% CI 0.69-1.64) for RRSO carried out before or after age 45 years, respectively. The HR for BRCA2 mutation carriers decreased with increasing time since RRSO (HR = 0.51; 95% CI 0.26-0.99 for 5 years or longer after RRSO). Estimates for premenopausal women were similar. We found no evidence that RRSO reduces breast cancer risk for BRCA1 mutation carriers. A potentially beneficial effect for BRCA2 mutation carriers was observed, particularly after 5 years following RRSO. These results may inform counselling and management of carriers with respect to RRSO. The BCFR was supported by grant UM1 CA164920 from the National Cancer Institute. The content of this manuscript does not necessarily reflect the views or policies of the National Cancer Institute or any of the collaborating centres in the Breast Cancer Family Registry (BCFR), nor does mention of trade names, commercial products, or organisations imply endorsement by the US Government or the BCFR. CNIO was partially supported by the Spanish Ministry of Economy and Competitiveness (MINECO) SAF2014-57680-R and the Spanish Research Network on Rare Diseases (CIBERER). CNIO was also partially supported by FISPI16/00440. INHERIT was supported by the Canadian Institutes of Health Research for the 'CIHR Team in Familial Risks of Breast Cancer' program-grant #CRN-87521-and the Ministry of Economic Development, Innovation and Export Trade-grant #PSR-SIIRI-701. The PERSPECTIVE project was supported by the Government of Canada through Genome Canada and the Canadian Institutes of Health Research (GPH-129344), the Ministere de l'Economie, de la Science et de l' Innovation du Quebec through Genome Quebec, and The Quebec Breast Cancer Foundation. Jacques Simard is a Chairholder of the Canada Research Chair in Oncogenetics. EMBRACE is supported by the Cancer Research UK grants C1287/A23382 and C1287/A16563. D. Gareth Evans is supported by an NIHR grant to the Biomedical Research Centre, Manchester (IS-BRC-1215-20007). The investigators at The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust are supported by an NIHR grant to the Biomedical Research Centre at The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust. Ros Eeles and Elizabeth Bancroft are supported by the Cancer Research UK grant C5047/A8385. Ros Eeles is also supported by NIHR support to the Biomedical Research Centre at The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust. Antonis C. Antoniou is funded by Cancer Research UK grants C12292/A20861 and C12292/A11174. MT is funded by the European Union Seventh Framework Program (2007-2013)/European Research Council (310018). The German Consortium for Hereditary Breast and Ovarian Cancer (GC-HBOC) is supported by the German Cancer Aid (grant no 110837, Rita K. Schmutzler). The national French cohort, GENEPSO, had been supported by a grant from the Fondation de France and the Ligue Nationale Contre le Cancer and is being supported by a grant from INCa as part of the European program ERA-NET on Translational Cancer Research (TRANSCAN-JTC2012, no. 2014-008). HCSC was supported by CIBERONC 161200301 from ISCIII (Spain), partially supported by European Regional Development FEDER funds. The HEBON study is supported by the Dutch Cancer Society grants NKI1998-1854, NKI2004-3088, NKI2007-3756, the Netherlands Organisation of Scientific Research grant NWO 91109024, the Pink Ribbon grants 110005 and 2014-187.WO76, the BBMRI grant NWO 184.021.007/CP46, and the Transcan grant JTC 2012 Cancer 12-054. The IHCC was supported by Grant PBZ_ KBN_122/P05/2004 and ERA-NET TRANSAN JTC 2012 Cancer 12-054 (ERA-NET-TRANSCAN/07/2014). This work was supported by grants to kConFab and the kConFab Follow-Up Study from Cancer Australia (809195); the Australian National Breast Cancer Foundation (IF 17); the National Health and Medical Research Council (454508, 288704, 145684); the National Institute of Health U.S.A. (1RO1CA159868); the Queensland Cancer Fund; the Cancer Councils of New South Wales, Victoria, Tasmania and South Australia; and the Cancer Foundation of Western Australia. KAP is an Australian National Breast Cancer Foundation fellow. MODSQUAD-Czech Republic, Brno, was supported by MH CZ -DRO (MMCI, 00209805) and by MEYS -NPS I -LO1413 to LF and MN. The Hungarian Breast and Ovarian Cancer Study was supported by Hungarian Research Grants KTIA-OTKA CK-80745, NKFI OTKA K-112228, and the Norwegian EEA Financial Mechanism HU0115/NA/2008-3/OP-9. Lund-BRCA collaborators are supported by the Swedish Cancer Society, Lund Hospital Funds, and European Research Council Advanced Grant ERC-2011-294576. Stockholm-BRCA collaborators are supported by the Swedish Cancer Society. The funders had no role in the design of the study; the collection, analysis, or interpretation of the data; the writing of the manuscript; or the decision to submit the manuscript for publication. Sí

Published
2020
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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.S., Barrowdale, D., Garibay, G.R., Librado, P., Sanchez-Gracia, A., Rozas, J., Bonifaci, N., McGuffog, L., Pankratz, V.S., Islam, A., Mateo, F., Berenguer, A., Petit, A., Catala, I., Brunet, J., Feliubadalo, L., Tornero, E., Benitez, J., Osorio, A., Cajal, T.R.Y., Nevanlinna, H., Aittomaki, K., Arun, B.K., Toland, A.E., Karlan, B.Y., Walsh, C., Lester, J., Greene, M.H., Mai, P.L., Nussbaum, R.L., Andrulis, I.L., Domchek, S.M., Nathanson, K.L., Rebbeck, T.R., Barkardottir, R.B., Jakubowska, A., Lubinski, J., Durda, K., Jaworska-Bieniek, K., Claes, K., Maerken, T. van, Diez, O., Hansen, T.V., Jonson, L., Gerdes, A.M., Ejlertsen, B., Hoya, M. de la, Caldees, T., Dunning, A.M., 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, K.R., Teixeira, M.R., Teixeira, Hogervorst, F.B.L., Hout, A.H. van der, Seynaeve, C., Luijt, R.B. van der, Ligtenberg, M.J.L., Devilee, P., Wijnen, J.T., Rookus, M.A., Meijers-Heijboer, H.E.J., Blok, M.J., Ouweland, A.M.W. van den, Aalfs, C.M., Rodriguez, G.C., Phillips, K.A.A., Piedmonte, M., Nerenstone, S.R., Bae-Jump, V.L., O'Malley, D.M., Ratner, E.S., Schmutzler, R.K., Wappenschmidt, B., Rhiem, K., Engel, C., Meindl, A., Ditsch, N., Arnold, N., Plendl, H.J., Niederacher, D., Sutter, C., Wang-Gohrke, S., Steinemann, D., Preisler-Adams, S., Kast, K., Varon-Mateeva, R., Gehrig, A., Bojesen, A., Pedersen, I.S., Sunde, L., Jensen, U.B., Thomassen, M., Kruse, T.A., 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, C.F., Rappaport, C., Geschwantler-Kaulich, D., Tea, M.K., Pfeiler, G., John, E.M., Miron, A., Neuhausen, S.L., Terry, M.B., Chung, W.K., Daly, M.B., Goldgar, D.E., Janavicius, R., Dorfling, C.M., Rensburg, E.J. van, Fostira, F., Konstantopoulou, I., Garber, J., Godwin, A.K., Olah, E., Narod, S.A., Rennert, G., Paluch, S.S., Laitman, Y., Friedman, E., Liljegren, A., Rantala, J., Stenmark-Askmalm, M., Loman, N., Imyanitov, E.N., Hamann, U., Spurdle, A.B., Healey, S., Weitzel, J.N., Herzog, J., Margileth, D., Gorrini, C., Esteller, M., Gomez, A., Sayols, S., Vidal, E., Heyn, H., Stoppa-Lyonnet, Leone, M., Barjhoux, L., Fassy-Colcombet, M., Pauw, A. de, Lasset, C., Ferrer, S.F., Castera, L., Berthet, P., Cornelis, F., Bignon, Y.J., Damiola, F., Mazoyer, S., Sinilnikova, O.M., Maxwell, C.A., Vijai, J., Robson, M., Kauff, N., Corines, M.J., Villano, D., Cunningham, J., Lee, A., Lindor, N., Lazaro, C., Easton, D.F., Offit, K., Chenevix-Trench, G., Couch, F.J., Antoniou, A.C., Pujana, M.A., BCFR, SWE-BRCA, KConFab Investigators, GEMO, Human genetics, CCA - Oncogenesis, Medical Oncology, Clinical Genetics, Suzuki, Hiromu, MUMC+: DA KG Lab Centraal Lab (9), RS: GROW - Oncology, RS: GROW - R4 - Reproductive and Perinatal Medicine, CCA -Cancer Center Amsterdam, ARD - Amsterdam Reproduction and Development, Human Genetics, Department of Obstetrics and Gynecology, Clinicum, Medicum, Haartman Institute (-2014), and Department of Medical and Clinical Genetics

Subjects
single nucleotide, Oncology, Carcinogenesis, TUBG1, Genes, BRCA2, Genes, BRCA1, Càncer d'ovari, MODIFIERS, Genome-wide association study, Cell Cycle Proteins, Breast cancer, mammary glands, Aetiology, genes, skin and connective tissue diseases, Cancer, Extracellular Matrix Proteins, Hazard ratio, CHIP-SEQ, 3. Good health, ddc, Hyaluronan Receptors, Medicine, Teixeira, Human, medicine.medical_specialty, Evolution, Science, Non-P.H.S, Single-nucleotide polymorphism, Evolution, Molecular, SDG 3 - Good Health and Well-being, Ovarian cancer, Genetics, biochemistry, Humans, human, CELL, Polymorphism, GENOME-WIDE ASSOCIATION, medicine (all), Retrospective Studies, Cancer och onkologi, Prevention, Mutació (Biologia), Biology and Life Sciences, Molecular, SWE-BRCA, BRCA1, medicine.disease, BRCA2, POLYMORPHISM, Genes, Genetic Loci, Cancer and Oncology, Mutation, U.S. Gov't, Bioinformatics, medicine.disease_cause, 3123 Gynaecology and paediatrics, Tubulin, Tumours of the digestive tract Radboud Institute for Molecular Life Sciences [Radboudumc 14], ELEMENTS, 2.1 Biological and endogenous factors, CD44, Non-U.S. Gov't, Aurora Kinase A, Likelihood Functions, Multidisciplinary, Research Support, Non-U.S. Gov't, agricultural and biological sciences (all), genetics and molecular biology (all), BCFR, Nuclear Proteins, Single Nucleotide, Mammary Glands, SURVIVAL, kConFab Investigators, Female, Microtubule-Associated Proteins, Research Article, Antigens, CD44, aurora kinase A, breast neoplasms, carcinogenesis, cell cycle proteins, estrogen receptor alpha, evolution, molecular, extracellular matrix proteins, female, genetic loci, genetic predisposition to disease, humans, likelihood functions, mammary glands, human, microtubule-associated proteins, nuclear proteins, polymorphism, retrospective studies, tubulin, genes, BRCA1, genes, BRCA2, mutation, biochemistry, genetics and molecular biology (all), SUSCEPTIBILITY LOCI, General Science & Technology, 3122 Cancers, Breast Neoplasms, Biology, Research Support, Polymorphism, Single Nucleotide, N.I.H, GENETIC INTERACTION NETWORKS, Càncer de mama, EXPRESSION SIGNATURE, Amino acid sequence, Research Support, N.I.H., Extramural, Internal medicine, Seqüència d'aminoàcids, evolution, Genetic variation, Journal Article, medicine, Genetic Predisposition to Disease, ddc:610, molecular, Antigens, Mammary Glands, Human, ddc:611, Intramural, Estrogen Receptor alpha, Extramural, Mutation (Biology), Research Support, N.I.H., Intramural, 3111 Biomedicine, GEMO, Research Support, U.S. Gov't, Non-P.H.S
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 p(interaction) values greater than 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. Funding Agencies|National Cancer Institute [UM1 CA164920]; Lithuania (BFBOCC-LT): Research Council of Lithuania grant [LIG-07/2012]; Hereditary Cancer Association (Paveldimo vezio asociacija); LSC grant [10.0010.08]; ESF [2009/0220/1DP/1.1.1.2.0/09/APIA/VIAA/016]; Liepajas municipal council; Cancer Association of South Africa (CANSA); Morris and Horowitz Familes Endowed Professorship; NEYE Foundation; Spanish Association against Cancer [AECC08, RTICC 06/0020/1060, FISPI08/1120]; Mutua Madrilena Foundation (FMMA); COH-CCGCRN: City of Hope Clinical Cancer Genetics Community Network from the National Cancer Institute and the Office of the Director, National Institutes of Health; Hereditary Cancer Research Registry from the National Cancer Institute and the Office of the Director, National Institutes of Health [RC4CA153828]; Fondazione IRCCS Istituto Nazionale Tumori; Cancer Research-United Kingdom grant [C12292/A11174, C1287/ A10118]; NHMRC Program Grant; DKFZ; European Union (European Social Fund-ESF); Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF)-Research Funding Program of the General Secretariat for Research and Technology: ARISTEIA; European Social Fund; Cancer Research United Kingdom Grants [C1287/A10118, C1287/A11990]; National Institute of Health Research (NIHR) grant; NIHR grant; Royal Marsden NHS Foundation Trust; Cancer Research United Kingdom Grant [C5047/A8385]; University of Kansas Cancer Center [P30 CA168524]; Kansas Bioscience Authority Eminent Scholar Program; Chancellors Distinguished Chair in Biomedical Sciences Professorship; AKG [5U01CA113916, R01CA140323]; German Cancer Aid [109076]; Center for Molecular Medicine Cologne (CMMC); Ligue National Contre le Cancer; Association "Le cancer du sein, parlonsen!" Award; Canadian Institutes of Health Research; Fund for Scientific Research Flanders (FWO); National Cancer Institute grant [CA 27469]; GOG Statistical and Data Center [CA 37517]; GOGs Cancer Prevention and Control Committee [CA 101165]; Intramural Research Program, NCI; ISCIII (Spain) [RD12/00369/0006, 12/00539]; European Regional Development FEDER funds; Helsinki University Central Hospital Research Fund; Academy of Finland [132473]; Finnish Cancer Society; Sigrid Juselius Foundation; Dutch Cancer Society grant [NKI1998-1854, NKI2004-3088, NKI2007-3756]; Netherlands Organization of Scientific Research [NWO 91109024]; Pink Ribbon grant [110005]; BBMRI grant [NWO 184.021.007/CP46]; Hungarian Research Grant [KTIA-OTKA CK-80745]; Norwegian EEA Financial Mechanism [HU0115/NA/2008-3/OP-9]; Spanish Ministry of Health ISCIII FIS [PI10/01422, PI12/01528, PI13/00285]; RTICC [RD12/0036/0008]; Ramon Areces (XV) Foundation; Eugenio Rodriguez Pascual Foundation; Roses Contra el Cancer Foundation; Spanish Association Against Cancer (AECC); AGAUR Generalitat de Catalunya [2009-SGR290, 2009-SGR293]; Polish Foundation of Science; Icelandic Association "Walking for Breast Cancer Research"; Nordic Cancer Union; Landspitali University Hospital Research Fund; Canadian Institutes of Health Research for the "CIHR Team in Familial Risks of Breast Cancer" program; Canadian Breast Cancer Research Alliance-grant [019511]; Ministry of Economic Development, Innovation and Export Trade-grant [PSR-SIIRI-701]; Ministero dellIstruzione, dellUniversita e della Ricerca and Ministero della Salute; Liga Portuguesa Contra o Cancro; National Breast Cancer Foundation; National Health and Medical Research Council (NHMRC); Queensland Cancer Fund; Cancer Council of New South Wales; Cancer Council of Victoria; Cancer Foundation of Western Australia; Cancer Councils of Tasmania; National Institutes of Health grant [CA128978]; NCI Specialized Program of Research Excellence (SPORE) in Breast Cancer [CA116201]; United States Department of Defence Ovarian Cancer Idea award [W81XWH-10-1-0341]; Breast Cancer Research Foundation; Jewish General Hospital Weekend; Quebec Ministry of Economic Development, Innovation and Export Trade; Cancer Councils of South Australia; European Regional Development Fund; State Budget of the Czech Republic (RECAMO) [CZ.1.05/2.1.00/03.0101]; MH CZ-DRO (MMCI) [00209805]; Niehaus Family Genetics Research Fund; STARR Cancer Consortium Grant; NAROD [1R01 CA149429-01]; NCI Intramural Research Program, National Institutes of Health [NO2-CP-11019-50, N02-CP-65504]; Westat, Inc, Rockville, Maryland; Clalit Health Services in Israel; Israel Cancer Association; Breast Cancer Research Foundation (BCRF), New York; Russian Federation for Basic Research [11-04-00227, 12-04-00928, 12-04-01490]; Federal Agency for Science and Innovations, Russia [02.740.11.0780]; Canadian Institutes of Health Research for the "CIHR Team in Familial Risks of Breast Cancer" program and grant from the National Cancer Institute [UM1 CA164920]; Breast Cancer Family Registry (BCFR); United States Government or the BCFR; Ohio State University Comprehensive Cancer Center; Isreal cancer association; Israeli Inherited breast cancer consortium; Swedish Cancer Society; Ralph and Marion Falk Medical Research Trust; Entertainment Industry Fund National Womens Cancer Research Alliance; National Institutes of Health (NIH) [R01-CA102776, R01-CA083855]; Rooney Family Foundation; Susan G. Komen Foundation for the cure, Basser Research Center; American Cancer Society Early Detection Professorship [SIOP-06-258-01-COUN]; SAF2010-20493; [PBZ_KBN_122/P05/2004]

Published
2015
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3. Interplay between BRCA1 and RHAMM Regulates Epithelial Apicobasal Polarization and May Influence Risk of Breast Cancer

Author

Maxwell, C.A., Benitez, J., Gomez-Baldo, L., Osorio, A., Bonifaci, N., Fernandez-Ramires, R., Costes, S.V., Guino, E., Chen, H., Evans, G.J.R., Mohan, P., Catala, I., Petit, A., Aguilar, H., Villanueva, A., Aytes, A., Serra-Musach, J., Rennert, G., Lejbkowicz, F., Peterlongo, P., Manoukian, S., Peissel, B., Ripamonti, C.B., Bonanni, B., Viel, A., Allavena, A., Bernard, L., Radice, P., Friedman, E., Kaufman, B., Laitman, Y., Dubrovsky, M., Milgrom, R., Jakubowska, A., Cybulski, C., Gorski, B., Jaworska, K., Durda, K., Sukiennicki, G., Lubinski, J., Shugart, Y.Y., Domchek, S.M., Letrero, R., Weber, B.L., Hogervorst, F.B.L., Rookus, M.A., Collee, J.M., Devilee, P., Ligtenberg, M.J., Luijt, R.B. van der, Aalfs, C.M., Waisfisz, Q., Wijnen, J., Roozendaal, C.E.P. van, Easton, D.F., Peock, S., Cook, M., Oliver, C., Frost, D., Harrington, P., Evans, D.G., Lalloo, F., Eeles, R., Izatt, L., Chu, C., Eccles, D., Douglas, F., Brewer, C., Nevanlinna, H., Heikkinen, T., Couch, F.J., Lindor, N.M., Wang, X.S., Godwin, A.K., Caligo, M.A., Lombardi, G., Loman, N., Karlsson, P., Ehrencrona, H., Wachenfeldt, A. von, Barkardottir, R.B., Hamann, U., Rashid, M.U., Lasa, A., Caldes, T., Andres, R., Schmitt, M., Assmann, V., Stevens, K., Offit, K., Curado, J., Tilgner, H., Guigo, R., Aiza, G., Brunet, J., Castellsague, J., Martrat, G., Urruticoechea, A., Blanco, I., Tihomirova, L., Goldgar, D.E., Buys, S., John, E.M., Miron, A., Southey, M., Daly, M.B., Schmutzler, R.K., Wappenschmidt, B., Meindl, A., Arnold, N., Deissler, H., Varon-Mateeva, R., Sutter, C., Niederacher, D., Imyamitov, E., Sinilnikova, O.M., Stoppa-Lyonne, 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., Spurdle, A.B., Beesley, J., Chen, X.Q., Healey, S., Barcellos-Hoff, M.H., Vidal, M., Gruber, S.B., Lazaro, C., Capella, G., McGuffog, L., Nathanson, K.L., Antoniou, A.C., Chenevix-Trench, G., Fleisch, M.C., Moreno, V., Pujana, M.A., HEBON, EMBRACE, SWE-BRCA, BCFR, GEMO Study Collaborators, kConFab, Human genetics, CCA - Innovative therapy, Universitat de Barcelona, Faculteit der Geneeskunde, 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, Human Genetics Group, Spanish National Cancer Research Centre, Biomedical Research Centre Network for Rare Diseases, CIBER de Enfermedades Raras (CIBERER), Biomarkers and Susceptibility Unit, Life Science Division [LBNL Berkeley], Lawrence Berkeley National Laboratory [Berkeley] (LBNL), Child and Family Research Institute, Department of Pathology, University Hospital of Bellvitge, Department of Community Medicine and Epidemiology, CHS National Cancer Control Center, Unit of Molecular Bases of Genetic Risk and Genetic Testing, Fondazione IRCCS Istituto Nazionale Tumouri (INT)-Fondazione Istituto FIRC di Oncologia Molecolare, Unit of Medical Genetics, Fondazione IRCCS Istituto Nazionale Tumouri (INT), Division of Cancer Prevention and Genetics, Unit of Experimental Oncology 1, Centro di Riferimento Oncologico, Department of Genetics, Biology and Biochemistry, University of Turin, Department of Experimental Oncology, Istituto Europeo di Oncologia-Consortium for Genomics Technology (Cogentech), The Susanne Levy Gertner Oncogenetics Unit, Institute of Human Genetics, Sackler Faculty of Medicine, Tel Aviv University [Tel Aviv], Department of Genetics and Pathology, Pomeranian Medical University-International Hereditary Cancer Centre, Unit of Statistical Genetics, National Institutes of Health [Bethesda] (NIH)-National Institute of Mental Health, Abramson Cancer Center, University of Pennsylvania [Philadelphia], Family Cancer Clinic, Netherlands Cancer Institute, Department of Epidemiology, Department of Clinical Genetics, Erasmus University Medical Center [Rotterdam] (Erasmus MC)-Family Cancer Clinic, Department of Genetic Epidemiology, Leiden University Medical Center (LUMC), Department of Human Genetics, Radboud university [Nijmegen], Department of Clinical Molecular Genetics, University Medical Center [Utrecht], Academic Medical Center - Academisch Medisch Centrum [Amsterdam] (AMC), University of Amsterdam [Amsterdam] (UvA)-University of Amsterdam [Amsterdam] (UvA), VU University Medical Center [Amsterdam], Center for Human and Clinical Genetics, Maastricht University Medical Centre (MUMC), Maastricht University [Maastricht]-Maastricht University [Maastricht], Centre for Cancer Genetic Epidemiology, University of Cambridge [UK] (CAM), Department of Oncology, Genetic Medicine, Manchester Academic Health Sciences Centre-Central Manchester University Hospitals, Oncogenetics Team, The Institute of Cancer Research and Royal Marsden NHS Foundation Trust, Clinical Genetics, Guy's and St. Thomas' NHS Foundation Trust, Yorkshire Regional Genetics Service, St James's hospital, Wessex Clinical Genetics Service, Princess Anne Hospital, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Royal Devon & Exeter Hospital, Department of Obstetrics and Gynecology, Helsinki University Central Hospital, Department of Laboratory Medicine and Pathology, Mayo Clinic, Department of Medical Genetics, Department of Pathology and Laboratory Medicine, University of Kansas Medical Center [Lawrence], Section of Genetic Oncology, Pisa University Hospital-University of Pisa - Università di Pisa, Lund University Hospital, Sahlgrenska University Hospital [Gothenburg], Departament of Genetics and Pathology, Uppsala University-Rudbeck Laboratory, Karolinska University Hospital [Stockholm], Landspitali-University Hospital, Molecular Genetics of Breast Cancer, German Cancer Research Center - Deutsches Krebsforschungszentrum [Heidelberg] (DKFZ), Deutsches Krebsforschungszentrum, Department of Basic Sciences, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Servicio de Genética, Hospital de la Santa Creu i Sant Pau, Molecular Oncology Laboratory, Hospital Clínico San Carlos, Medical Oncology Division, Hospital Clínico de Zaragoza, Department of Internal Medicine III, University of Rostock, Center for Experimental Medicine, Universitaetsklinikum Hamburg-Eppendorf = University Medical Center Hamburg-Eppendorf [Hamburg] (UKE)-Institute of Tumor Biology, University of Michigan [Ann Arbor], University of Michigan System-University of Michigan System, Clinical Genetics Service, Memorial Sloane Kettering Cancer Center [New York], Bioinformatics and Genomics Group, Centre for Genomic Regulation (CRG), Genetic Counseling and Hereditary Cancer Programme, Latvian Biomedical Research and Study Centre [Rīga], 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), entre for Molecular, Environmental, Genetic and Analytic (MEGA) Epidemiology, University of Melbourne, Division of Population Science, Fox Chase Cancer Center, Department of Gynaecology and Obstetrics, University Hospital of Cologne [Cologne]-Centre of Familial Breast and Ovarian Cancer-Centre for Integrated Oncology (CIO), Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM), University Hospital of Schleswig-Holstein-Christian-Albrechts-Universität zu Kiel (CAU), Universitätsklinikum Ulm - University Hospital of Ulm, Charité - UniversitätsMedizin = Charité - University Hospital [Berlin], Heidelberg University Hospital [Heidelberg], University Hospital Düsseldorf-Heinrich Heine Universität Düsseldorf = Heinrich Heine University [Düsseldorf], N. N. Petrov Institute of Oncology, Unité Mixte de Génétique Constitutionnelle des Cancers Fréquents, Centre Léon Bérard [Lyon]-Hospices Civils de Lyon (HCL), Génétique moléculaire, signalisation et cancer (GMSC), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Pathologie moléculaire des cancers, 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 Lille Nord de France (COMUE)-UNICANCER-Université Lille Nord de France (COMUE)-UNICANCER, Consultation d'Oncogénétique, Laboratoire de Génétique Chromosomique, Hôtel-Dieu-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, Queensland Institute of Medical Research, Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute [Boston]-Department of Cancer Biology, Department of Genetics [Boston], Department of Internal Medicine, Epidemiology, Human Genetics, Department of Obstetrics and Gynaecologie, Heinrich Heine Universität Düsseldorf = Heinrich Heine University [Düsseldorf], This work was funded by the Spanish Ministries of Health, and Science ane Innovation (CB07/02/2005, FIS 08/1120, 08/1359, 08/1635, and 09/02483, RTICCC RD06/0020/1060 and RD06/0020/0028, Transversal Action Against Cancer, the Spanish Biomedical Research Centre Networks for Epidemiology and Public Health, and Rare Diseases, and the 'Ramón y Cajal' Young Investigator Program), the Spanish National Society of Medical Oncology (2010), the Spanish Association Against Cancer (AECC 2010), the AGAUR Catalan Government Agency (2009SGR1489 and 2009SGR293, and the Beatriu Pinós Postdoctoral Program), the Ramón Areces Foundation (XV), the 'Roses Contra el Càncer' Foundation, the Michael Cuccione Foundation for Childhood Cancer Research, Cancer Research-UK (C490/A10119, C1287/A8874, C1287/A10118, C5047/A8385, and C8197/A10123), the National Institute for Health Research (UK), the Association for International Cancer Research (AICR-07-0454), the Ligue National Contre le Cancer (France), the Association 'Le cancer du sein, parlons-en!', the Dutch Cancer Society (NKI 1998-1854, 2004-3088, and 2007-3756), the Fondazione Italiana per la Ricerca sul Cancro ('Hereditary Tumors'), the Associazione Italiana per la Ricerca sul Cancro (4017), the Italian Ministero della Salute (RFPS-2006-3-340203 and 'Progetto Tumori Femminili'), the Italian Ministero dell'Universita' e Ricerca (RBLAO3-BETH), the Fondazione IRCCS Istituto Nazionale Tumori (INT '5×1000'), the Fondazione Cassa di Risparmio di Pisa (Istituto Toscano Tumori), the National Breast Cancer Foundation (Australia), the Australian National Health and Medical Research Council (145684, 288704, and 454508), the Queensland Cancer Fund, the Cancer Councils of New South Wales, Victoria, Tasmania, and South Australia, the Cancer Foundation of Western Australia, the German Cancer Aid (107054), the Center for Molecular Medicine Cologne (TV93), the National Cancer Institute (USA, CA128978 and CA122340), National Institutes of Health (RFA-CA-06-503, BCFR U01 CA69398, CA69417, CA69446, CA69467, CA69631, and CA69638), the Research Triangle Institute Informatics Support Center (RFP N02PC45022-46), the Specialized Program of Research Excellence (SPORE P50 CA83638 and CA113916), the Department of Defense Breast Cancer Research Program (05/0612), the Eileen Stein Jacoby Fund, the Breast Cancer Research Foundation, the Marianne and Robert MacDonald Foundation, the Komen Foundation, the Helsinki University Central Hospital Research Fund, the Academy of Finland (110663), the Finnish Cancer Society, the Sigrid Juselius Foundation, and the EU FP7 (223175, HEALTH-F2-2009-223175)., HEBON, EMBRACE, SWE-BRCA, BCFR, GEMO Study Collaborators, kConFab, Human Genetics, Genetica & Celbiologie, RS: GROW - School for Oncology and Reproduction, Hôpital Bretonneau-Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Università degli studi di Torino = University of Turin (UNITO), Tel Aviv University (TAU), International Hereditary Cancer Centre-Pomeranian Medical University [Szczecin] (PUM), University of Pennsylvania, Universiteit Leiden-Universiteit Leiden, Radboud University [Nijmegen], University of Kansas Medical Center [Kansas City, KS, USA], Uppsala University, Université de Lille-UNICANCER-Université de Lille-UNICANCER, Autard, Delphine, Neurology, and Pathology

Subjects
Mama -- Càncer -- Aspectes genètics, MESH: Extracellular Matrix Proteins, endocrine system diseases, Cellular differentiation, Genes, BRCA2, Genes, BRCA1, Microtubules, MESH: Genotype, 0302 clinical medicine, Breast cancer, Aurora Kinases, MESH: Genetic Variation, Biology (General), skin and connective tissue diseases, 0303 health sciences, Extracellular Matrix Proteins, Tumor, MESH: Microtubules, Cancer Risk Factors, 3. Good health, Hyaluronan Receptors, Oncology, Receptors, Estrogen, MESH: Epithelial Cells, 030220 oncology & carcinogenesis, MESH: Receptors, Estrogen, Medicine, General Agricultural and Biological Sciences, Genotype, QH301-705.5, MESH: Antigens, CD44, General Biochemistry, Genetics and Molecular Biology, MESH: Protein-Serine-Threonine Kinases, 03 medical and health sciences, [SDV.CAN] Life Sciences [q-bio]/Cancer, SDG 3 - Good Health and Well-being, Genetics, Cancer Genetics, Humans, Progenitor cell, Biology, MESH: BRCA1 Protein, MESH: Humans, CD44, Genetic Variation, Epithelial Cells, Oncogenes, medicine.disease, BRCA1, BRCA2, Genes, Carcinogenesis, MESH: Genes, BRCA1, MESH: Female, MESH: Genes, BRCA2, Population Genetics, HeLa Cells, Epithelial cells, medicine.disease_cause, MESH: BRCA2 Protein, Cell polarity, Basic Cancer Research, Receptors, Breast, MESH: Breast, MESH: Heterozygote, Aurora Kinase A, Cèl·lules epitelials, biology, BRCA1 Protein, General Neuroscience, MESH: Genetic Predisposition to Disease, Cell Polarity, Biological Sciences, BRCA2 Protein, Mama -- Càncer -- Aspectes moleculars, Protein-Serine-Threonine Kinases, Female, Stem cell, MESH: Cell Polarity, Research Article, Oncogens, Heterozygote, MESH: Cell Line, Tumor, [SDV.CAN]Life Sciences [q-bio]/Cancer, Breast Neoplasms, Protein Serine-Threonine Kinases, Cell Line, Càncer de mama, Cell Line, Tumor, Regulació genètica, medicine, Genetic Predisposition to Disease, Antigens, 030304 developmental biology, General Immunology and Microbiology, Human Genetics, Estrogen, MESH: HeLa Cells, Genetics of Disease, biology.protein, Cancer research, Gene Function, MESH: Breast Neoplasms
Abstract

Genetic analysis identifies the HMMR gene as a modifier of the breast cancer risk associated with BRCA1 gene mutation, while cell biological analysis of the protein product suggests a function in regulating development of the mammary gland., Differentiated mammary epithelium shows apicobasal polarity, and loss of tissue organization is an early hallmark of breast carcinogenesis. In BRCA1 mutation carriers, accumulation of stem and progenitor cells in normal breast tissue and increased risk of developing tumors of basal-like type suggest that BRCA1 regulates stem/progenitor cell proliferation and differentiation. However, the function of BRCA1 in this process and its link to carcinogenesis remain unknown. Here we depict a molecular mechanism involving BRCA1 and RHAMM that regulates apicobasal polarity and, when perturbed, may increase risk of breast cancer. Starting from complementary genetic analyses across families and populations, we identified common genetic variation at the low-penetrance susceptibility HMMR locus (encoding for RHAMM) that modifies breast cancer risk among BRCA1, but probably not BRCA2, mutation carriers: n = 7,584, weighted hazard ratio (wHR) = 1.09 (95% CI 1.02–1.16), ptrend = 0.017; and n = 3,965, wHR = 1.04 (95% CI 0.94–1.16), ptrend = 0.43; respectively. Subsequently, studies of MCF10A apicobasal polarization revealed a central role for BRCA1 and RHAMM, together with AURKA and TPX2, in essential reorganization of microtubules. Mechanistically, reorganization is facilitated by BRCA1 and impaired by AURKA, which is regulated by negative feedback involving RHAMM and TPX2. Taken together, our data provide fundamental insight into apicobasal polarization through BRCA1 function, which may explain the expanded cell subsets and characteristic tumor type accompanying BRCA1 mutation, while also linking this process to sporadic breast cancer through perturbation of HMMR/RHAMM., Author Summary Mutations in two genes that were initially identified as predisposing carriers to early-onset breast cancer, BRCA1 and BRCA2, cause similar perturbations in cellular responses to DNA damage but predispose carriers to distinct tumor types. Thus, the two genes may trigger different carcinogenic processes. We have used genetic analyses of affected families to uncover additional genetic variation that is linked to the risk of developing cancer for carriers of BRCA1 mutations. This variation falls within a centrosomal gene, named HMMR. The protein product of HMMR, which is called RHAMM, works in concert with BRCA1 to regulate the structure of normal breast cells as they grow and become polarized. This polarization process depends upon a balance between the activities of BRCA1 and the Aurora kinase A, with the kinase opposing BRCA1 function and promoting growth. Our findings provide new insights into the mechanism through which BRCA1 may promote commitment of initially bipotent mammary cells towards the luminal lineage, and how loss of this function may predispose cells to become breast tumors of a basal-like type.

Published
2011
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4. Association of the Variants CASP8 D302H and CASP10 V410I with Breast and Ovarian Cancer Risk in BRCA1 and BRCA2 Mutation Carriers

Author

Engel, C., Versmold, B., Wappenschmidt, B., Simard, J., Easton, D.F., Peock, S., Cook, M., Oliver, C., Frost, D., Mayes, R., Evans, D.G., Eeles, R., Paterson, J., Brewer, C., McGuffog, L., Antoniou, A.C., Stoppa-Lyonnet, D., Sinilnikova, O.M., Barjhoux, L., Frenay, M., Michel, C., Leroux, D., Dreyfus, H., Toulas, C., Gladieff, L., Uhrhammer, N., Bignon, Y.J., Meindl, A., Arnold, N., Varon-Mateeva, R., Niederacher, D., Preisler-Adams, S., Kast, K., Deissler, H., Sutter, C., Gadzicki, D., Chenevix-Trench, G., Spurdle, A.B., Chen, X.Q., Beesley, J., Olsson, H., Kristoffersson, U., Ehrencrona, H., Liljegren, A., Luijt, R.B. van der, Os, T.A. van, Leeuwen, F.E. van, Domchek, S.M., Rebbeck, T.R., Nathanson, K.L., Osorio, A., Cajal, T.R.Y., Konstantopoulou, I., Benitez, J., Friedman, E., Kaufman, B., Laitman, Y., Mai, P.L., Greene, M.H., Nevanlinna, H., Aittomaki, K., Szabo, C.I., Caldes, T., Couch, F.J., Andrulis, I.L., Godwin, A.K., Hamann, U., Schmutzler, R.K., Epidemiological Study Familial Bre, Kathleen Cuningham Fdn Consortium, Sweden SWE-BRCA, Hereditary Breast Ovarian Canc Grp, Consortium Investigators Modifiers, MUMC+: DA KG Lab Centraal Lab (9), RS: GROW - R4 - Reproductive and Perinatal Medicine, Klinische Genetica, MUMC+: DA KG Polikliniek (9), RS: GROW - School for Oncology and Reproduction, Human Genetics, Epidemiology and Data Science, CCA - Disease profiling, and EMGO - Quality of care

Subjects
Oncology, medicine.medical_specialty, Genetics and epigenetic pathways of disease [NCMLS 6], Genotype, endocrine system diseases, Epidemiology, Genes, BRCA2, Population, Genes, BRCA1, Breast Neoplasms, Single-nucleotide polymorphism, Biology, Polymerase Chain Reaction, Polymorphism, Single Nucleotide, Article, Molecular epidemiology [NCEBP 1], 03 medical and health sciences, 0302 clinical medicine, Breast cancer, caspase-8 gene inactivating mutations common variants reduced risk cell-cycle apoptosis susceptibility polymorphisms predisposition carcinomas, Risk Factors, Internal medicine, medicine, Humans, Genetic Predisposition to Disease, Caspase 10, education, skin and connective tissue diseases, 030304 developmental biology, Ovarian Neoplasms, Caspase 8, 0303 health sciences, education.field_of_study, Hereditary cancer and cancer-related syndromes [ONCOL 1], Cancer, medicine.disease, 3. Good health, Minor allele frequency, 030220 oncology & carcinogenesis, Cancer and Oncology, Mutation, Cancer research, Female, Breast disease, Ovarian cancer
Abstract

Background: The genes caspase-8 (CASP8) and caspase-10 (CASP10) functionally cooperate and play a key role in the initiation of apoptosis. Suppression of apoptosis is one of the major mechanisms underlying the origin and progression of cancer. Previous case-control studies have indicated that the polymorphisms CASP8 D302H and CASP10 V410I are associated with a reduced risk of breast cancer in the general population. Methods: To evaluate whether the CASP8 D302H (CASP10 V410I) polymorphisms modify breast or ovarian cancer risk in BRCA1 and BRCA2 mutation carriers, we analyzed 7,353 (7,227) subjects of white European origin provided by 19 (18) study groups that participate in the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA). A weighted cohort approach was used to estimate hazard ratios (HR) and 95% confidence intervals (95% CI). Results: The minor allele of CASP8 D302H was significantly associated with a reduced risk of breast cancer (per-allele HR, 0.85; 95% CI, 0.76-0.97; Ptrend = 0.011) and ovarian cancer (per-allele HR, 0.69; 95% CI, 0.53-0.89; Ptrend = 0.004) for BRCA1 but not for BRCA2 mutation carriers. The CASP10 V410I polymorphism was not associated with breast or ovarian cancer risk for BRCA1 or BRCA2 mutation carriers. Conclusions: CASP8 D302H decreases breast and ovarian cancer risk for BRCA1 mutation carriers but not for BRCA2 mutation carriers. Impact: The combined application of these and other recently identified genetic risk modifiers could in the future allow better individual risk calculation and could aid in the individualized counseling and decision making with respect to preventive options in BRCA1 mutation carriers. Cancer Epidemiol Biomarkers Prev; 19(11); 2859–68. ©2010 AACR.

Published
2010
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5. 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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