Search

Your search keyword '"Ahmed, Munaza"' showing total 10 results
Start Over Author "Ahmed, Munaza" Topic breast cancer
10 results on '"Ahmed, Munaza"'

1. Polygenic risk scores and breast and epithelial ovarian cancer risks for carriers of BRCA1 and BRCA2 pathogenic variants

Author

Barnes, Daniel R, Rookus, Matti A, McGuffog, Lesley, Leslie, Goska, Mooij, Thea M, Dennis, Joe, Mavaddat, Nasim, Adlard, Julian, Ahmed, Munaza, Aittomäki, Kristiina, Andrieu, Nadine, Andrulis, Irene L, Arnold, Norbert, Arun, Banu K, Azzollini, Jacopo, Balmaña, Judith, Barkardottir, Rosa B, Barrowdale, Daniel, Benitez, Javier, Berthet, Pascaline, Białkowska, Katarzyna, Blanco, Amie M, Blok, Marinus J, Bonanni, Bernardo, Boonen, Susanne E, Borg, Åke, Bozsik, Aniko, Bradbury, Angela R, Brennan, Paul, Brewer, Carole, Brunet, Joan, Buys, Saundra S, Caldés, Trinidad, Caligo, Maria A, Campbell, Ian, Christensen, Lise Lotte, Chung, Wendy K, Claes, Kathleen BM, Colas, Chrystelle, Collonge-Rame, Marie-Agnès, Cook, Jackie, Daly, Mary B, Davidson, Rosemarie, de la Hoya, Miguel, de Putter, Robin, Delnatte, Capucine, Devilee, Peter, Diez, Orland, Ding, Yuan Chun, Domchek, Susan M, Dorfling, Cecilia M, Dumont, Martine, Eeles, Ros, Ejlertsen, Bent, Engel, Christoph, Evans, D Gareth, Faivre, Laurence, Foretova, Lenka, Fostira, Florentia, Friedlander, Michael, Friedman, Eitan, Frost, Debra, Ganz, Patricia A, Garber, Judy, Gehrig, Andrea, Gerdes, Anne-Marie, Gesta, Paul, Giraud, Sophie, Glendon, Gord, Godwin, Andrew K, Goldgar, David E, González-Neira, Anna, Greene, Mark H, Gschwantler-Kaulich, Daphne, Hahnen, Eric, Hamann, Ute, Hanson, Helen, Hentschel, Julia, Hogervorst, Frans BL, Hooning, Maartje J, Horvath, Judit, Hu, Chunling, Hulick, Peter J, Imyanitov, Evgeny N, Isaacs, Claudine, Izatt, Louise, Izquierdo, Angel, Jakubowska, Anna, James, Paul A, Janavicius, Ramunas, John, Esther M, Joseph, Vijai, Karlan, Beth Y, Kast, Karin, Koudijs, Marco, Kruse, Torben A, Kwong, Ava, Laitman, Yael, Lasset, Christine, and Lazaro, Conxi

Subjects
Clinical Research, Cancer, Ovarian Cancer, Prevention, Rare Diseases, Breast Cancer, 2.1 Biological and endogenous factors, Aetiology, BRCA1 Protein, BRCA2 Protein, Breast Neoplasms, Carcinoma, Ovarian Epithelial, Female, Genetic Predisposition to Disease, Heterozygote, Humans, Mutation, Ovarian Neoplasms, Prospective Studies, Retrospective Studies, Risk Factors, BRCA1, 2, breast cancer, ovarian cancer, PRS, genetics, GEMO Study Collaborators, EMBRACE Collaborators, kConFab Investigators, HEBON Investigators, GENEPSO Investigators, Consortium of Investigators of Modifiers of BRCA and BRCA2, BRCA1/2, Genetics, Clinical Sciences, Genetics & Heredity
Abstract

PurposeWe assessed the associations between population-based polygenic risk scores (PRS) for breast (BC) or epithelial ovarian cancer (EOC) with cancer risks for BRCA1 and BRCA2 pathogenic variant carriers.MethodsRetrospective cohort data on 18,935 BRCA1 and 12,339 BRCA2 female pathogenic variant carriers of European ancestry were available. Three versions of a 313 single-nucleotide polymorphism (SNP) BC PRS were evaluated based on whether they predict overall, estrogen receptor (ER)-negative, or ER-positive BC, and two PRS for overall or high-grade serous EOC. Associations were validated in a prospective cohort.ResultsThe ER-negative PRS showed the strongest association with BC risk for BRCA1 carriers (hazard ratio [HR] per standard deviation = 1.29 [95% CI 1.25-1.33], P = 3×10-72). For BRCA2, the strongest association was with overall BC PRS (HR = 1.31 [95% CI 1.27-1.36], P = 7×10-50). HR estimates decreased significantly with age and there was evidence for differences in associations by predicted variant effects on protein expression. The HR estimates were smaller than general population estimates. The high-grade serous PRS yielded the strongest associations with EOC risk for BRCA1 (HR = 1.32 [95% CI 1.25-1.40], P = 3×10-22) and BRCA2 (HR = 1.44 [95% CI 1.30-1.60], P = 4×10-12) carriers. The associations in the prospective cohort were similar.ConclusionPopulation-based PRS are strongly associated with BC and EOC risks for BRCA1/2 carriers and predict substantial absolute risk differences for women at PRS distribution extremes.

Published
2020

2. Mendelian randomisation study of height and body mass index as modifiers of ovarian cancer risk in 22,588 BRCA1 and BRCA2 mutation carriers

Author

Qian, Frank, Rookus, Matti A, Leslie, Goska, Risch, Harvey A, Greene, Mark H, Aalfs, Cora M, Adank, Muriel A, Adlard, Julian, Agnarsson, Bjarni A, Ahmed, Munaza, Aittomäki, Kristiina, Andrulis, Irene L, Arnold, Norbert, Arun, Banu K, Ausems, Margreet GEM, Azzollini, Jacopo, Barrowdale, Daniel, Barwell, Julian, Benitez, Javier, Białkowska, Katarzyna, Bonadona, Valérie, Borde, Julika, Borg, Ake, Bradbury, Angela R, Brunet, Joan, Buys, Saundra S, Caldés, Trinidad, Caligo, Maria A, Campbell, Ian, Carter, Jonathan, Chiquette, Jocelyne, Chung, Wendy K, Claes, Kathleen BM, Collée, J Margriet, Collonge-Rame, Marie-Agnès, Couch, Fergus J, Daly, Mary B, Delnatte, Capucine, Diez, Orland, Domchek, Susan M, Dorfling, Cecilia M, Eason, Jacqueline, Easton, Douglas F, Eeles, Ros, Engel, Christoph, Evans, D Gareth, Faivre, Laurence, Feliubadaló, Lidia, Foretova, Lenka, Friedman, Eitan, Frost, Debra, Ganz, Patricia A, Garber, Judy, Garcia-Barberan, Vanesa, Gehrig, Andrea, Glendon, Gord, Godwin, Andrew K, Gómez Garcia, Encarna B, Hamann, Ute, Hauke, Jan, Hopper, John L, Hulick, Peter J, Imyanitov, Evgeny N, Isaacs, Claudine, Izatt, Louise, Jakubowska, Anna, Janavicius, Ramunas, John, Esther M, Karlan, Beth Y, Kets, Carolien M, Laitman, Yael, Lázaro, Conxi, Leroux, Dominique, Lester, Jenny, Lesueur, Fabienne, Loud, Jennifer T, Lubiński, Jan, Łukomska, Alicja, McGuffog, Lesley, Mebirouk, Noura, Meijers-Heijboer, Hanne EJ, Meindl, Alfons, Miller, Austin, Montagna, Marco, Mooij, Thea M, Mouret-Fourme, Emmanuelle, Nathanson, Katherine L, Nehoray, Bita, Neuhausen, Susan L, Nevanlinna, Heli, Nielsen, Finn C, Offit, Kenneth, Olah, Edith, Ong, Kai-ren, Oosterwijk, Jan C, Ottini, Laura, Parsons, Michael T, Peterlongo, Paolo, Pfeiler, Georg, and Pradhan, Nisha

Subjects
Biomedical and Clinical Sciences, Oncology and Carcinogenesis, Clinical Research, Prevention, Ovarian Cancer, Breast Cancer, Genetics, Aging, Cancer, Rare Diseases, Aetiology, 2.1 Biological and endogenous factors, Adult, Aged, Body Height, Body Mass Index, Female, Genes, BRCA1, Genes, BRCA2, Heterozygote, Humans, Mendelian Randomization Analysis, Menopause, Middle Aged, Mutation, Ovarian Neoplasms, Proportional Hazards Models, KConFab Investigators, HEBON Investigators, GEMO Study Collaborators, EMBRACE Collaborators, CIMBA, Public Health and Health Services, Oncology & Carcinogenesis, Oncology and carcinogenesis
Abstract

BackgroundHeight and body mass index (BMI) are associated with higher ovarian cancer risk in the general population, but whether such associations exist among BRCA1/2 mutation carriers is unknown.MethodsWe applied a Mendelian randomisation approach to examine height/BMI with ovarian cancer risk using the Consortium of Investigators for the Modifiers of BRCA1/2 (CIMBA) data set, comprising 14,676 BRCA1 and 7912 BRCA2 mutation carriers, with 2923 ovarian cancer cases. We created a height genetic score (height-GS) using 586 height-associated variants and a BMI genetic score (BMI-GS) using 93 BMI-associated variants. Associations were assessed using weighted Cox models.ResultsObserved height was not associated with ovarian cancer risk (hazard ratio [HR]: 1.07 per 10-cm increase in height, 95% confidence interval [CI]: 0.94-1.23). Height-GS showed similar results (HR = 1.02, 95% CI: 0.85-1.23). Higher BMI was significantly associated with increased risk in premenopausal women with HR = 1.25 (95% CI: 1.06-1.48) and HR = 1.59 (95% CI: 1.08-2.33) per 5-kg/m2 increase in observed and genetically determined BMI, respectively. No association was found for postmenopausal women. Interaction between menopausal status and BMI was significant (Pinteraction

Published
2019

3. The predictive ability of the 313 variant–based polygenic risk score for contralateral breast cancer risk prediction in women of European ancestry with a heterozygous BRCA1 or BRCA2 pathogenic variant

Author

Lakeman, Inge M. M., Van Den Broek, Alexandra J., Vos, Juliën A. M., Barnes, Daniel R., Adlard, Julian, Andrulis, Irene L., Arason, Adalgeir, Arnold, Norbert, Arun, Banu K., Balmaña, Judith, Barrowdale, Daniel, Giraud, Sophie, Golmard, Lisa, Hake, Christopher R., Houdayer, Claude, Risch, Harvey A., Lasset, Christine, Laurent, Maïté, Spurdle, Amanda B., Hooning, Maartje J., Hopper, John L., Kets, Carolien M., Leroux, Dominique, Longy, Michel, Mari, Véronique, Mazoyer, Sylvie, Mebirouk, Noura, Mortemousque, Isabelle, Blok, Marinus J., Prieur, Fabienne, Hamann, Ute, Pujol, Pascal, Konstantopoulou, Irene, Heemskerk Gerritsen, Bernadette A. M., Isaacs, Claudine, Saule, Claire, Piedmonte, Marion, Schuster, Helene, Sevenet, Nicolas, Sobol, Hagay, Sokolowska, Johanna, Gómez Garcia, Encarna B., Venat Bouvet, Laurence, Claes, Kathleen B. M., Ahmed, Munaza, Teixeira, Manuel R., Barwell, Julian, Brady, Angela, Izatt, Louise, Hogervorst, Frans B. L., Brennan, Paul, Harrington, Patricia A., Henderson, Alex, Hodgson, Shirley, Kwong, Ava, Borg, Ake, Kennedy, M. John, Porteous, Mary E., Rogers, Mark T., Side, Lucy E., Snape, Katie, Walker, Lisa, Collée, J. Margriet, Jakubowska, Anna, Couch, Fergus J., Hahnen, Eric, Daly, Mary B., Dennis, Joe, Teo, Soo Hwang, Jensen, Uffe Birk, Rantala, Johanna, Dhawan, Mallika, Benitez, Javier, Domchek, Susan M., Eeles, Ros, Engel, Christoph, Legrand, Clémentine, Evans, D. Gareth, James, Paul A., Feliubadaló i Elorza, Maria Lídia, Teulé-Vega, Àlex, Foretova, Lenka, Castera, Laurent, Friedman, Eitan, Frost, Debra, Rennert, Gad, Ganz, Patricia A., Leslie, Goska, Garber, Judy, Hulick, Peter J., Imyanitov, Evgeny N., Glendon, Gord, Thomassen, Mads, Janavicius, Ramunas, Mulligan, Anna Marie, Hollestelle, Antoinette, Jager, Agnes, Koppert, Linetta B., Cook, Jackie, Koudijs, Marco, Kriege, Mieke, Meijers Heijboer, Hanne E. J., Schmutzler, Rita K., Mensenkamp, Arjen R., Dunning, Alison M., Mooij, Thea M., Oosterwijk, Jan C., Caux Moncoutier, Virginie, Singer, Christian F., Berthet, Pascaline, Caldés, Trinidad, Van den Ouweland, Ans M. W., Van der Baan, Frederieke H., Van der Hout, Annemieke H., Van der Kolk, Lizet E., Van der Luijt, Rob B., Thull, Darcy L., Van Deurzen, Carolien H. M., Sharma, Priyanka, Van Doorn, Helena C., Bignon, Yves Jean, Colas, Chrystelle, Van Engelen, Klaartje, Brewer, Carole, Van Hest, Liselotte P., Van Os, Theo A. M., Caligo, Maria A., Verhoef, Senno, Tischkowitz, Marc, Vogel, Maartje J., Wijnen, Juul T., Lalloo, Fiona, Beesley, Jonathan, Fox, Stephen, Collonge Rame, Marie Agnès, Simard, Jacques, Holland, Helene, Jiao, Yue, John, Esther M., Joseph, Vijai, Gerdes, Anne Marie, Karlan, Beth Y., Lesueur, Fabienne, Loud, Jennifer T., Lubiński, Jan, Manoukian, Siranoush, Mcguffog, Lesley, Miller, Austin, Coupier, Isabelle, Gomes, Denise Molina, Barouk Simonet, Emmanuelle, Montagna, Marco, Miller, Clare, Elan, Camille, Davidson, Rosemarie, Mouret Fourme, Emmanuelle, Gayther, Simon A., Nathanson, Katherine L., Neuhausen, Susan L., Nevanlinna, Heli, Yie, Joanne Ngeow Yuen, Pauw, Antoine de, Olah, Edith, Morrison, Patrick J., Olopade, Olufunmilayo I., Van Asperen, Christi J., Park, Sue K., Parsons, Michael T., Donaldson, Alan, Belotti, Muriel, Peterlongo, Paolo, Stadler, Zsofia, Stoppa Lyonnet, Dominique, Sutter, Christian, Ong, Kai Ren, Delnatte, Capucine, Tan, Yen Yen, Toland, Amanda E., Tung, Nadine, Van Rensburg, Elizabeth J., Vega, Ana, Wappenschmidt, Barbara, Devilee, Peter, Eason, Jacqueline, Chung, Wendy K., Bernstein, Jonine L., Offit, Kenneth, Aalfs, Cora M., Hanson, Helen, Godwin, Andrew K., Easton, Douglas F., Bonadona, Valérie, Rookus, Matti A., Chenevix-Trench, Georgia, Antoniou, Antonis C., O’shaughnessy Kirwan, Aoife, Robson, Mark, Eccles, Diana M., Schmidt, Marjanka K., Adank, Muriel A., Gemo Study Collaborators, Phillips, Kelly Anne, Embrace Collaborators, Ocgn Investigators, Goldgar, David E., Hebon Investigators, Perkins, Jo, Kconfab Investigators, Bressac de Paillerets, Brigitte, Buecher, Bruno, Caputo, Sandrine, Ausems, Margreet G. E. M., Gregory, Helen, Caron, Olivier, Faivre, Laurence, Fert Ferrer, Sandra, Gauthier Villars, Marion, Radice, Paolo, Gesta, Paul, Clinical Genetics, Medical Oncology, Surgery, Pathology, Gynecological Oncology, Schmidt, Marjanka K. [0000-0002-2228-429X], Apollo - University of Cambridge Repository, Targeted Gynaecologic Oncology (TARGON), Damage and Repair in Cancer Development and Cancer Treatment (DARE), Schmidt, Marjanka K [0000-0002-2228-429X], HUS Gynecology and Obstetrics, Department of Obstetrics and Gynecology, Institut Català de la Salut, [Lakeman IMM] Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands. Department of Clinical Genetics, Leiden University Medical Center, Leiden, The Netherlands. [van den Broek AJ, Vos JAM] Division of Molecular Pathology, The Netherlands Cancer Institute–Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands. [Barnes DR] Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK. [Adlard J] Yorkshire Regional Genetics Service, Chapel Allerton Hospital, Leeds, UK. [Andrulis IL] Fred A. Litwin Center for Cancer Genetics, Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON, Canada. Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada. [Balmaña J] Hereditary cancer Genetics Group, Vall d’Hebron Institute of Oncology (VHIO), Barcelona, Spain. Servei d’Oncologia Mèdica, Vall d’Hebron Hospital Universitari, Barcelona, Spain, Vall d'Hebron Barcelona Hospital Campus, Pediatric surgery, Human genetics, Amsterdam Neuroscience - Complex Trait Genetics, CCA - Cancer biology and immunology, Epidemiology and Data Science, Human Genetics, ARD - Amsterdam Reproduction and Development, APH - Personalized Medicine, APH - Quality of Care, Chapel Allerton Hospital, University of Leeds, Departments of Molecular Genetics and Laboratory Medicine and Pathobiology, University of Toronto-Cancer Care Ontario, Reykjavík University, Division of Oncology, Department of Gynaecology and Obstetrics, University Hospital Schleswig–Holstein, The University of Texas M.D. Anderson Cancer Center [Houston], Unitat d'Alt Risc i Prevenció del Càncer, Vall d'Hebron University Hospital [Barcelona], University of Cambridge [UK] (CAM), Group of Human Genetics, Human Cancer Genetics Programme, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Department of Oncology, Clinical Sciences, Lund University [Lund]-Skåne University Hospital, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos [Madrid, Spain] (IdISSC), Section of Genetic Oncology, University of Pisa - Università di Pisa, Columbia University [New York], Ghent University Hospital, Department of Clinical Genetics, Erasmus University Medical Center [Rotterdam] (Erasmus MC)-Family Cancer Clinic, Department of Laboratory Medicine and Pathology, Mayo Clinic, Division of Population Science, Fox Chase Cancer Center, Institut Curie [Paris], Mines Paris - PSL (École nationale supérieure des mines de Paris), Université Paris sciences et lettres (PSL), CHU Grenoble, CHI Poissy-Saint-Germain, Unité de génétique et biologie des cancers (U830), Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle (MIVEGEC), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud]), RS: GROW - R4 - Reproductive and Perinatal Medicine, MUMC+: DA KG Lab Centraal Lab (9), MUMC+: DA KG Polikliniek (9), and Klinische Genetica

Subjects
0301 basic medicine, Percentile, Pathological Conditions, Signs and Symptoms::Pathologic Processes::Disease Attributes::Disease Susceptibility::Genetic Predisposition to Disease [DISEASES], Neoplasms::Neoplasms by Site::Breast Neoplasms [DISEASES], SUSCEPTIBILITY ALLELES, Diàtesi, FAMILIES, Tumours of the digestive tract Radboud Institute for Health Sciences [Radboudumc 14], MESH: BRCA2 Protein, Breast cancer, 0302 clinical medicine, MESH: Risk Factors, Risk Factors, Other subheadings::/diagnosis [Other subheadings], Medicine and Health Sciences, Medicine, Mama - Càncer - Diagnòstic, Family history, skin and connective tissue diseases, Genetics (clinical), MESH: Heterozygote, neoplasias::neoplasias por localización::neoplasias de la mama [ENFERMEDADES], Factors de risc en les malalties, BRCA1 Protein, Hazard ratio, MESH: Genetic Predisposition to Disease, 1184 Genetics, developmental biology, physiology, article, OVARIAN, BRCA2 Protein/genetics, Women's cancers Radboud Institute for Health Sciences [Radboudumc 17], 3. Good health, 030220 oncology & carcinogenesis, Female, Malalties congènites, Adult, Heterozygote, medicine.medical_specialty, MESH: Mutation, Risk factors in diseases, Otros calificadores::/diagnóstico [Otros calificadores], Breast Neoplasms, Context (language use), MUTATION CARRIERS, Càncer de mama, afecciones patológicas, signos y síntomas::procesos patológicos::atributos de la enfermedad::susceptibilidad a enfermedades::predisposición genética a la enfermedad [ENFERMEDADES], 03 medical and health sciences, SDG 3 - Good Health and Well-being, Internal medicine, Humans, Genetic Predisposition to Disease, MESH: BRCA1 Protein, Retrospective Studies, BRCA2 Protein, MESH: Humans, business.industry, Proportional hazards model, CONSORTIUM, Breast Neoplasms/diagnosis, MESH: Adult, MESH: Retrospective Studies, Retrospective cohort study, medicine.disease, Confidence interval, 030104 developmental biology, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, Mutation, BRCA1 Protein/genetics, 3111 Biomedicine, business, MESH: Female, MESH: Breast Neoplasms
Abstract

Predicció de risc de càncer de mama; Dones europees; Variant patògena heterozigota Predicción del riesgo de cáncer de mama; Mujeres europeas; Variante patógena heterocigota Breast cancer risk prediction; European women; Heterozygous pathogenic variant Purpose To evaluate the association between a previously published 313 variant–based breast cancer (BC) polygenic risk score (PRS313) and contralateral breast cancer (CBC) risk, in BRCA1 and BRCA2 pathogenic variant heterozygotes. Methods We included women of European ancestry with a prevalent first primary invasive BC (BRCA1 = 6,591 with 1,402 prevalent CBC cases; BRCA2 = 4,208 with 647 prevalent CBC cases) from the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA), a large international retrospective series. Cox regression analysis was performed to assess the association between overall and ER-specific PRS313 and CBC risk. Results For BRCA1 heterozygotes the estrogen receptor (ER)-negative PRS313 showed the largest association with CBC risk, hazard ratio (HR) per SD = 1.12, 95% confidence interval (CI) (1.06–1.18), C-index = 0.53; for BRCA2 heterozygotes, this was the ER-positive PRS313, HR = 1.15, 95% CI (1.07–1.25), C-index = 0.57. Adjusting for family history, age at diagnosis, treatment, or pathological characteristics for the first BC did not change association effect sizes. For women developing first BC

Published
2021

4. Breast and Prostate Cancer Risks for Male BRCA1 and BRCA2 Pathogenic Variant Carriers Using Polygenic Risk Scores.

Author

Barnes, Daniel R, Silvestri, Valentina, Leslie, Goska, McGuffog, Lesley, Dennis, Joe, Yang, Xin, Adlard, Julian, Agnarsson, Bjarni A, Ahmed, Munaza, Aittomäki, Kristiina, Andrulis, Irene L, Arason, Adalgeir, Arnold, Norbert, Auber, Bernd, Azzollini, Jacopo, Balmaña, Judith, Barkardottir, Rosa B, Barrowdale, Daniel, Barwell, Julian, and Belotti, Muriel

Subjects
MONOGENIC & polygenic inheritance (Genetics), DISEASE risk factors, PROSTATE cancer, BRCA genes, BREAST cancer, PROTEINS, RESEARCH, GENETIC mutation, GENETIC polymorphisms, RISK assessment, GENETIC carriers, COMPARATIVE studies, DISEASE susceptibility, RESEARCH funding, BREAST tumors, PROSTATE tumors
Abstract

Background: Recent population-based female breast cancer and prostate cancer polygenic risk scores (PRS) have been developed. We assessed the associations of these PRS with breast and prostate cancer risks for male BRCA1 and BRCA2 pathogenic variant carriers.Methods: 483 BRCA1 and 1318 BRCA2 European ancestry male carriers were available from the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA). A 147-single nucleotide polymorphism (SNP) prostate cancer PRS (PRSPC) and a 313-SNP breast cancer PRS were evaluated. There were 3 versions of the breast cancer PRS, optimized to predict overall (PRSBC), estrogen receptor (ER)-negative (PRSER-), or ER-positive (PRSER+) breast cancer risk.Results: PRSER+ yielded the strongest association with breast cancer risk. The odds ratios (ORs) per PRSER+ standard deviation estimates were 1.40 (95% confidence interval [CI] =1.07 to 1.83) for BRCA1 and 1.33 (95% CI = 1.16 to 1.52) for BRCA2 carriers. PRSPC was associated with prostate cancer risk for BRCA1 (OR = 1.73, 95% CI = 1.28 to 2.33) and BRCA2 (OR = 1.60, 95% CI = 1.34 to 1.91) carriers. The estimated breast cancer odds ratios were larger after adjusting for female relative breast cancer family history. By age 85 years, for BRCA2 carriers, the breast cancer risk varied from 7.7% to 18.4% and prostate cancer risk from 34.1% to 87.6% between the 5th and 95th percentiles of the PRS distributions.Conclusions: Population-based prostate and female breast cancer PRS are associated with a wide range of absolute breast and prostate cancer risks for male BRCA1 and BRCA2 carriers. These findings warrant further investigation aimed at providing personalized cancer risks for male carriers and informing clinical management. [ABSTRACT FROM AUTHOR]

Published
2022
Full Text
View/download PDF

5. Truncating mutations in the Fanconi anemia J gene BRIP1 are low-penetrance breast cancer susceptibility alleles.

Author

Seal, Sheila, Thompson, Deborah, Renwick, Anthony, Elliott, Anna, Kelly, Patrick, Barfoot, Rita, Chagtai, Tasnim, Jayatilake, Hiran, Ahmed, Munaza, Spanova, Katarina, North, Bernard, McGuffog, Lesley, Evans, D. Gareth, Eccles, Diana, Easton, Douglas F., Stratton, Michael R., and Rahman, Nazneen

Subjects
BREAST cancer, FANCONI'S anemia, APLASTIC anemia, GENETIC disorders, BRCA genes, TUMOR suppressor genes, HUMAN genetics
Abstract

We identified constitutional truncating mutations of the BRCA1-interacting helicase BRIP1 in 9/1,212 individuals with breast cancer from BRCA1/BRCA2 mutation–negative families but in only 2/2,081 controls (P = 0.0030), and we estimate that BRIP1 mutations confer a relative risk of breast cancer of 2.0 (95% confidence interval = 1.2–3.2, P = 0.012). Biallelic BRIP1 mutations were recently shown to cause Fanconi anemia complementation group J. Thus, inactivating truncating mutations of BRIP1, similar to those in BRCA2, cause Fanconi anemia in biallelic carriers and confer susceptibility to breast cancer in monoallelic carriers. [ABSTRACT FROM AUTHOR]

Published
2006
Full Text
View/download PDF

6. ATM mutations that cause ataxia-telangiectasia are breast cancer susceptibility alleles.

Author

Renwick, Anthony, Thompson, Deborah, Seal, Sheila, Kelly, Patrick, Chagtai, Tasnim, Ahmed, Munaza, North, Bernard, Jayatilake, Hiran, Barfoot, Rita, Spanova, Katarina, McGuffog, Lesley, Evans, D. Gareth, Eccles, Diana, Easton, Douglas F., Stratton, Michael R., and Rahman, Nazneen

Subjects
BREAST cancer, ATAXIA telangiectasia, CEREBELLUM diseases, GENETIC disorders, IMMUNOLOGICAL deficiency syndromes, GENETICS
Abstract

We screened individuals from 443 familial breast cancer pedigrees and 521 controls for ATM sequence variants and identified 12 mutations in affected individuals and two in controls (P = 0.0047). The results demonstrate that ATM mutations that cause ataxia-telangiectasia in biallelic carriers are breast cancer susceptibility alleles in monoallelic carriers, with an estimated relative risk of 2.37 (95% confidence interval (c.i.) = 1.51–3.78, P = 0.0003). There was no evidence that other classes of ATM variant confer a risk of breast cancer. [ABSTRACT FROM AUTHOR]

Published
2006
Full Text
View/download PDF

7. Polygenic risk scores and breast and epithelial ovarian cancer risks for carriers of BRCA1 and BRCA2 pathogenic variants

Author

Barnes, Daniel R, Rookus, Matti A, McGuffog, Lesley, Leslie, Goska, Mooij, Thea M, Dennis, Joe, Mavaddat, Nasim, Adlard, Julian, Ahmed, Munaza, Aittomäki, Kristiina, Andrieu, Nadine, Andrulis, Irene L, Arnold, Norbert, Arun, Banu K, Azzollini, Jacopo, Balmaña, Judith, Barkardottir, Rosa B, Barrowdale, Daniel, Benitez, Javier, Berthet, Pascaline, Białkowska, Katarzyna, Blanco, Amie M, Blok, Marinus J, Bonanni, Bernardo, Boonen, Susanne E, Borg, Åke, Bozsik, Aniko, Bradbury, Angela R, Brennan, Paul, Brewer, Carole, Brunet, Joan, Buys, Saundra S, Caldés, Trinidad, Caligo, Maria A, Campbell, Ian, Christensen, Lise Lotte, Chung, Wendy K, Claes, Kathleen BM, Colas, Chrystelle, GEMO Study Collaborators, EMBRACE Collaborators, Collonge-Rame, Marie-Agnès, Cook, Jackie, Daly, Mary B, Davidson, Rosemarie, De La Hoya, Miguel, De Putter, Robin, Delnatte, Capucine, Devilee, Peter, Diez, Orland, Ding, Yuan Chun, Domchek, Susan M, Dorfling, Cecilia M, Dumont, Martine, Eeles, Ros, Ejlertsen, Bent, Engel, Christoph, Evans, D Gareth, Faivre, Laurence, Foretova, Lenka, Fostira, Florentia, Friedlander, Michael, Friedman, Eitan, Frost, Debra, Ganz, Patricia A, Garber, Judy, Gehrig, Andrea, Gerdes, Anne-Marie, Gesta, Paul, Giraud, Sophie, Glendon, Gord, Godwin, Andrew K, Goldgar, David E, González-Neira, Anna, Greene, Mark H, Gschwantler-Kaulich, Daphne, Hahnen, Eric, Hamann, Ute, Hanson, Helen, Hentschel, Julia, Hogervorst, Frans BL, Hooning, Maartje J, Horvath, Judit, Hu, Chunling, Hulick, Peter J, Imyanitov, Evgeny N, KConFab Investigators, HEBON Investigators, GENEPSO Investigators, Isaacs, Claudine, Izatt, Louise, Izquierdo, Angel, Jakubowska, Anna, James, Paul A, Janavicius, Ramunas, John, Esther M, Joseph, Vijai, Karlan, Beth Y, Kast, Karin, Koudijs, Marco, Kruse, Torben A, Kwong, Ava, Laitman, Yael, Lasset, Christine, Lazaro, Conxi, Lester, Jenny, Lesueur, Fabienne, Liljegren, Annelie, Loud, Jennifer T, Lubiński, Jan, Mai, Phuong L, Manoukian, Siranoush, Mari, Véronique, Mebirouk, Noura, Meijers-Heijboer, Hanne EJ, Meindl, Alfons, Mensenkamp, Arjen R, Miller, Austin, Montagna, Marco, Mouret-Fourme, Emmanuelle, Mukherjee, Semanti, Mulligan, Anna Marie, Nathanson, Katherine L, Neuhausen, Susan L, Nevanlinna, Heli, Niederacher, Dieter, Nielsen, Finn Cilius, Nikitina-Zake, Liene, Noguès, Catherine, Olah, Edith, Olopade, Olufunmilayo I, Ong, Kai-Ren, O'Shaughnessy-Kirwan, Aoife, Osorio, Ana, Ott, Claus-Eric, Papi, Laura, Park, Sue K, Parsons, Michael T, Pedersen, Inge Sokilde, Peissel, Bernard, Peixoto, Ana, Peterlongo, Paolo, Pfeiler, Georg, Phillips, Kelly-Anne, Prajzendanc, Karolina, Pujana, Miquel Angel, Radice, Paolo, Ramser, Juliane, Ramus, Susan J, Rantala, Johanna, Rennert, Gad, Risch, Harvey A, Robson, Mark, Rønlund, Karina, Salani, Ritu, Schuster, Hélène, Senter, Leigha, Shah, Payal D, Sharma, Priyanka, Side, Lucy E, Singer, Christian F, Slavin, Thomas P, Soucy, Penny, Southey, Melissa C, Spurdle, Amanda B, Steinemann, Doris, Steinsnyder, Zoe, Stoppa-Lyonnet, Dominique, Sutter, Christian, Tan, Yen Yen, Teixeira, Manuel R, Teo, Soo Hwang, Thull, Darcy L, Tischkowitz, Marc, Tognazzo, Silvia, Toland, Amanda E, Trainer, Alison H, Tung, Nadine, Van Engelen, Klaartje, Van Rensburg, Elizabeth J, Vega, Ana, Vierstraete, Jeroen, Wagner, Gabriel, Walker, Lisa, Wang-Gohrke, Shan, Wappenschmidt, Barbara, Weitzel, Jeffrey N, Yadav, Siddhartha, Yang, Xin, Yannoukakos, Drakoulis, Zimbalatti, Dario, Offit, Kenneth, Thomassen, Mads, Couch, Fergus J, Schmutzler, Rita K, Simard, Jacques, Easton, Douglas F, Chenevix-Trench, Georgia, Antoniou, Antonis C, and Consortium Of Investigators Of Modifiers Of BRCA And BRCA2

Subjects
BRCA2 Protein, Ovarian Neoplasms, Heterozygote, endocrine system diseases, BRCA1 Protein, Breast Neoplasms, Carcinoma, Ovarian Epithelial, PRS, 3. Good health, breast cancer, ovarian cancer, BRCA1/2, Risk Factors, Mutation, Humans, genetics, Female, Genetic Predisposition to Disease, Prospective Studies, Retrospective Studies
Abstract

PURPOSE: We assessed the associations between population-based polygenic risk scores (PRS) for breast (BC) or epithelial ovarian cancer (EOC) with cancer risks for BRCA1 and BRCA2 pathogenic variant carriers. METHODS: Retrospective cohort data on 18,935 BRCA1 and 12,339 BRCA2 female pathogenic variant carriers of European ancestry were available. Three versions of a 313 single-nucleotide polymorphism (SNP) BC PRS were evaluated based on whether they predict overall, estrogen receptor (ER)-negative, or ER-positive BC, and two PRS for overall or high-grade serous EOC. Associations were validated in a prospective cohort. RESULTS: The ER-negative PRS showed the strongest association with BC risk for BRCA1 carriers (hazard ratio [HR] per standard deviation = 1.29 [95% CI 1.25-1.33], P = 3×10-72). For BRCA2, the strongest association was with overall BC PRS (HR = 1.31 [95% CI 1.27-1.36], P = 7×10-50). HR estimates decreased significantly with age and there was evidence for differences in associations by predicted variant effects on protein expression. The HR estimates were smaller than general population estimates. The high-grade serous PRS yielded the strongest associations with EOC risk for BRCA1 (HR = 1.32 [95% CI 1.25-1.40], P = 3×10-22) and BRCA2 (HR = 1.44 [95% CI 1.30-1.60], P = 4×10-12) carriers. The associations in the prospective cohort were similar. CONCLUSION: Population-based PRS are strongly associated with BC and EOC risks for BRCA1/2 carriers and predict substantial absolute risk differences for women at PRS distribution extremes.

8. Polygenic risk scores and breast and epithelial ovarian cancer risks for carriers of BRCA1 and BRCA2 pathogenic variants

Author

Barnes, Daniel R., Rookus, Matti A., McGuffog, Lesley, Leslie, Goska, Mooij, Thea M., Dennis, Joe, Mavaddat, Nasim, Adlard, Julian, Ahmed, Munaza, Aittomäki, Kristiina, Andrieu, Nadine, Andrulis, Irene L., Arnold, Norbert, Arun, Banu K., Azzollini, Jacopo, Balmaña, Judith, Barkardottir, Rosa B., Barrowdale, Daniel, Benitez, Javier, Berthet, Pascaline, Białkowska, Katarzyna, Blanco, Amie M., Blok, Marinus J., Bonanni, Bernardo, Boonen, Susanne E., Borg, Åke, Bozsik, Aniko, Bradbury, Angela R., Brennan, Paul, Brewer, Carole, Brunet, Joan, Buys, Saundra S., Caldés, Trinidad, Caligo, Maria A., Campbell, Ian, Christensen, Lise Lotte, Chung, Wendy K., Claes, Kathleen B. M., Colas, Chrystelle, Collonge-Rame, Marie-Agnès, Cook, Jackie, Daly, Mary B., Davidson, Rosemarie, De La Hoya, Miguel, De Putter, Robin, Delnatte, Capucine, Devilee, Peter, Diez, Orland, Ding, Yuan Chun, Domchek, Susan M., Dorfling, Cecilia M., Dumont, Martine, Eeles, Ros, Ejlertsen, Bent, Engel, Christoph, Evans, D. Gareth, Faivre, Laurence, Foretova, Lenka, Fostira, Florentia, Friedlander, Michael, Friedman, Eitan, Frost, Debra, Ganz, Patricia A., Garber, Judy, Gehrig, Andrea, Gerdes, Anne-Marie, Gesta, Paul, Giraud, Sophie, Glendon, Gord, Godwin, Andrew K., Goldgar, David E., González-Neira, Anna, Greene, Mark H., Gschwantler-Kaulich, Daphne, Hahnen, Eric, Hamann, Ute, Hanson, Helen, Hentschel, Julia, Hogervorst, Frans B. L., Hooning, Maartje J., Horvath, Judit, Hu, Chunling, Hulick, Peter J., Imyanitov, Evgeny N., Isaacs, Claudine, Izatt, Louise, Izquierdo, Angel, Jakubowska, Anna, James, Paul A., Janavicius, Ramunas, John, Esther M., Joseph, Vijai, Karlan, Beth Y., Kast, Karin, Koudijs, Marco, Kruse, Torben A., Kwong, Ava, Laitman, Yael, Lasset, Christine, Lazaro, Conxi, Lester, Jenny, Lesueur, Fabienne, Liljegren, Annelie, Loud, Jennifer T., Lubiński, Jan, Mai, Phuong L., Manoukian, Siranoush, Mari, Véronique, Mebirouk, Noura, Meijers-Heijboer, Hanne E. J., Meindl, Alfons, Mensenkamp, Arjen R., Miller, Austin, Montagna, Marco, Mouret-Fourme, Emmanuelle, Mukherjee, Semanti, Mulligan, Anna Marie, Nathanson, Katherine L., Neuhausen, Susan L., Nevanlinna, Heli, Niederacher, Dieter, Nielsen, Finn Cilius, Nikitina-Zake, Liene, Noguès, Catherine, Olah, Edith, Olopade, Olufunmilayo I., Ong, Kai-Ren, O’Shaughnessy-Kirwan, Aoife, Osorio, Ana, Ott, Claus-Eric, Papi, Laura, Park, Sue K., Parsons, Michael T., Pedersen, Inge Sokilde, Peissel, Bernard, Peixoto, Ana, Peterlongo, Paolo, Pfeiler, Georg, Phillips, Kelly-Anne, Prajzendanc, Karolina, Pujana, Miquel Angel, Radice, Paolo, Ramser, Juliane, Ramus, Susan J., Rantala, Johanna, Rennert, Gad, Risch, Harvey A., Robson, Mark, Rønlund, Karina, Salani, Ritu, Schuster, Hélène, Senter, Leigha, Shah, Payal D., Sharma, Priyanka, Side, Lucy E., Singer, Christian F., Slavin, Thomas P., Soucy, Penny, Southey, Melissa C., Spurdle, Amanda B., Steinemann, Doris, Steinsnyder, Zoe, Stoppa-Lyonnet, Dominique, Sutter, Christian, Tan, Yen Yen, Teixeira, Manuel R., Teo, Soo Hwang, Thull, Darcy L., Tischkowitz, Marc, Tognazzo, Silvia, Toland, Amanda E., Trainer, Alison H., Tung, Nadine, Van Engelen, Klaartje, Van Rensburg, Elizabeth J., Vega, Ana, Vierstraete, Jeroen, Wagner, Gabriel, Walker, Lisa, Wang-Gohrke, Shan, Wappenschmidt, Barbara, Weitzel, Jeffrey N., Yadav, Siddhartha, Yang, Xin, Yannoukakos, Drakoulis, Zimbalatti, Dario, Offit, Kenneth, Thomassen, Mads, Couch, Fergus J., Schmutzler, Rita K., Simard, Jacques, Easton, Douglas F., Chenevix-Trench, Georgia, Antoniou, Antonis C., Antoniou, Antonis, Easton, Douglas, Side, Lucy, Spurdle, Amanda, Blok, Marinus, Hogervorst, Frans, Hooning, Maartje, Mensenkamp, Arjen, Meijers-Heijboer, Hanne, Rookus, Matti, and Engelen, Klaartje Van

Subjects
breast cancer, ovarian cancer, endocrine system diseases, BRCA1/2, article, genetics, PRS, 3. Good health
Abstract

Purpose: We assessed the associations between population-based polygenic risk scores (PRS) for breast (BC) or epithelial ovarian cancer (EOC) with cancer risks for BRCA1 and BRCA2 pathogenic variant carriers. Methods: Retrospective cohort data on 18,935 BRCA1 and 12,339 BRCA2 female pathogenic variant carriers of European ancestry were available. Three versions of a 313 single-nucleotide polymorphism (SNP) BC PRS were evaluated based on whether they predict overall, estrogen receptor (ER)–negative, or ER-positive BC, and two PRS for overall or high-grade serous EOC. Associations were validated in a prospective cohort. Results: The ER-negative PRS showed the strongest association with BC risk for BRCA1 carriers (hazard ratio [HR] per standard deviation = 1.29 [95% CI 1.25–1.33], P = 3×10−72). For BRCA2, the strongest association was with overall BC PRS (HR = 1.31 [95% CI 1.27–1.36], P = 7×10−50). HR estimates decreased significantly with age and there was evidence for differences in associations by predicted variant effects on protein expression. The HR estimates were smaller than general population estimates. The high-grade serous PRS yielded the strongest associations with EOC risk for BRCA1 (HR = 1.32 [95% CI 1.25–1.40], P = 3×10−22) and BRCA2 (HR = 1.44 [95% CI 1.30–1.60], P = 4×10−12) carriers. The associations in the prospective cohort were similar. Conclusion: Population-based PRS are strongly associated with BC and EOC risks for BRCA1/2 carriers and predict substantial absolute risk differences for women at PRS distribution extremes.

9. Polygenic risk scores and breast and epithelial ovarian cancer risks for carriers of BRCA1 and BRCA2 pathogenic variants

Author

Barnes, Daniel R., Rookus, Matti A., McGuffog, Lesley, Leslie, Goska, Mooij, Thea M., Dennis, Joe, Mavaddat, Nasim, Adlard, Julian, Ahmed, Munaza, Aittomäki, Kristiina, Andrieu, Nadine, Andrulis, Irene L., Arnold, Norbert, Arun, Banu K., Azzollini, Jacopo, Balmaña, Judith, Barkardottir, Rosa B., Barrowdale, Daniel, Benitez, Javier, Berthet, Pascaline, Białkowska, Katarzyna, Blanco, Amie M., Blok, Marinus J., Bonanni, Bernardo, Boonen, Susanne E., Borg, Åke, Bozsik, Aniko, Bradbury, Angela R., Brennan, Paul, Brewer, Carole, Brunet, Joan, Buys, Saundra S., Caldés, Trinidad, Caligo, Maria A., Campbell, Ian, Christensen, Lise Lotte, Chung, Wendy K., Claes, Kathleen B. M., Colas, Chrystelle, Collonge-Rame, Marie-Agnès, Cook, Jackie, Daly, Mary B., Davidson, Rosemarie, De La Hoya, Miguel, De Putter, Robin, Delnatte, Capucine, Devilee, Peter, Diez, Orland, Ding, Yuan Chun, Domchek, Susan M., Dorfling, Cecilia M., Dumont, Martine, Eeles, Ros, Ejlertsen, Bent, Engel, Christoph, Evans, D. Gareth, Faivre, Laurence, Foretova, Lenka, Fostira, Florentia, Friedlander, Michael, Friedman, Eitan, Frost, Debra, Ganz, Patricia A., Garber, Judy, Gehrig, Andrea, Gerdes, Anne-Marie, Gesta, Paul, Giraud, Sophie, Glendon, Gord, Godwin, Andrew K., Goldgar, David E., González-Neira, Anna, Greene, Mark H., Gschwantler-Kaulich, Daphne, Hahnen, Eric, Hamann, Ute, Hanson, Helen, Hentschel, Julia, Hogervorst, Frans B. L., Hooning, Maartje J., Horvath, Judit, Hu, Chunling, Hulick, Peter J., Imyanitov, Evgeny N., Isaacs, Claudine, Izatt, Louise, Izquierdo, Angel, Jakubowska, Anna, James, Paul A., Janavicius, Ramunas, John, Esther M., Joseph, Vijai, Karlan, Beth Y., Kast, Karin, Koudijs, Marco, Kruse, Torben A., Kwong, Ava, Laitman, Yael, Lasset, Christine, Lazaro, Conxi, Lester, Jenny, Lesueur, Fabienne, Liljegren, Annelie, Loud, Jennifer T., Lubiński, Jan, Mai, Phuong L., Manoukian, Siranoush, Mari, Véronique, Mebirouk, Noura, Meijers-Heijboer, Hanne E. J., Meindl, Alfons, Mensenkamp, Arjen R., Miller, Austin, Montagna, Marco, Mouret-Fourme, Emmanuelle, Mukherjee, Semanti, Mulligan, Anna Marie, Nathanson, Katherine L., Neuhausen, Susan L., Nevanlinna, Heli, Niederacher, Dieter, Nielsen, Finn Cilius, Nikitina-Zake, Liene, Noguès, Catherine, Olah, Edith, Olopade, Olufunmilayo I., Ong, Kai-Ren, O’Shaughnessy-Kirwan, Aoife, Osorio, Ana, Ott, Claus-Eric, Papi, Laura, Park, Sue K., Parsons, Michael T., Pedersen, Inge Sokilde, Peissel, Bernard, Peixoto, Ana, Peterlongo, Paolo, Pfeiler, Georg, Phillips, Kelly-Anne, Prajzendanc, Karolina, Pujana, Miquel Angel, Radice, Paolo, Ramser, Juliane, Ramus, Susan J., Rantala, Johanna, Rennert, Gad, Risch, Harvey A., Robson, Mark, Rønlund, Karina, Salani, Ritu, Schuster, Hélène, Senter, Leigha, Shah, Payal D., Sharma, Priyanka, Side, Lucy E., Singer, Christian F., Slavin, Thomas P., Soucy, Penny, Southey, Melissa C., Spurdle, Amanda B., Steinemann, Doris, Steinsnyder, Zoe, Stoppa-Lyonnet, Dominique, Sutter, Christian, Tan, Yen Yen, Teixeira, Manuel R., Teo, Soo Hwang, Thull, Darcy L., Tischkowitz, Marc, Tognazzo, Silvia, Toland, Amanda E., Trainer, Alison H., Tung, Nadine, Van Engelen, Klaartje, Van Rensburg, Elizabeth J., Vega, Ana, Vierstraete, Jeroen, Wagner, Gabriel, Walker, Lisa, Wang-Gohrke, Shan, Wappenschmidt, Barbara, Weitzel, Jeffrey N., Yadav, Siddhartha, Yang, Xin, Yannoukakos, Drakoulis, Zimbalatti, Dario, Offit, Kenneth, Thomassen, Mads, Couch, Fergus J., Schmutzler, Rita K., Simard, Jacques, Easton, Douglas F., Chenevix-Trench, Georgia, Antoniou, Antonis C., Antoniou, Antonis, Easton, Douglas, Side, Lucy, Spurdle, Amanda, Blok, Marinus, Hogervorst, Frans, Hooning, Maartje, Mensenkamp, Arjen, Meijers-Heijboer, Hanne, Rookus, Matti, and Engelen, Klaartje Van

Subjects
breast cancer, ovarian cancer, endocrine system diseases, BRCA1/2, article, genetics, PRS, 3. Good health
Abstract

Purpose: We assessed the associations between population-based polygenic risk scores (PRS) for breast (BC) or epithelial ovarian cancer (EOC) with cancer risks for BRCA1 and BRCA2 pathogenic variant carriers. Methods: Retrospective cohort data on 18,935 BRCA1 and 12,339 BRCA2 female pathogenic variant carriers of European ancestry were available. Three versions of a 313 single-nucleotide polymorphism (SNP) BC PRS were evaluated based on whether they predict overall, estrogen receptor (ER)–negative, or ER-positive BC, and two PRS for overall or high-grade serous EOC. Associations were validated in a prospective cohort. Results: The ER-negative PRS showed the strongest association with BC risk for BRCA1 carriers (hazard ratio [HR] per standard deviation = 1.29 [95% CI 1.25–1.33], P = 3×10−72). For BRCA2, the strongest association was with overall BC PRS (HR = 1.31 [95% CI 1.27–1.36], P = 7×10−50). HR estimates decreased significantly with age and there was evidence for differences in associations by predicted variant effects on protein expression. The HR estimates were smaller than general population estimates. The high-grade serous PRS yielded the strongest associations with EOC risk for BRCA1 (HR = 1.32 [95% CI 1.25–1.40], P = 3×10−22) and BRCA2 (HR = 1.44 [95% CI 1.30–1.60], P = 4×10−12) carriers. The associations in the prospective cohort were similar. Conclusion: Population-based PRS are strongly associated with BC and EOC risks for BRCA1/2 carriers and predict substantial absolute risk differences for women at PRS distribution extremes.

10. BRCA1, BRCA2 and CHEK2 c.1100 delC mutations in patients with double primaries of the breasts and/or ovaries.

Author

Evans, D. Gareth, Ahmed, Munaza, Bayliss, Stuart, Howard, Emma, Lalloo, Fiona, and Wallace, Andrew

Subjects
BRCA genes, GENETIC mutation, CANCER genetics, BREAST cancer, CANCER in women
Abstract

Background Previous publications and utilisation of risk models for BRCA1 and BRCA2 mutation identification suggests that multiple primary disease in an individual is a strong predictor of a BRCA1/2 mutation and that this is more predictive than the same cancers occurring in close relatives. Methods This study assessed the pathological mutation detection rates for BRCA1, BRCA2 and the CHEK2c.1100 delC mutation in 2022 women with breast cancer, including 100 with breast/ovary double primary and 255 with bilateral breast cancer. Results and discussion Although detection rates for mutations in BRCA1/2 are high at 49% for breast/ovarian double primary and 34% for bilateral breast cancer, the differential effect of multiple primaries in an individual appears to have been overestimated, particularly in those families with only a few malignancies. Nonetheless, bilateral breast cancer does differentially enhance detection rates in strong familial aggregations. CHEK2 1100 DelC mutation rates were lower in bilateral than for unilateral cases at 0.8% compared to 2%. The detected mutation rates for isolated double primary breast and ovarian cancer was 14% (3/22) compared to 17% (17/99) for the same two primaries in two close relatives in families with no other cases of breast/ovarian cancer. Risk models may need to be adjusted if further studies corroborate these findings. [ABSTRACT FROM AUTHOR]

Published
2010
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results