Citations 2
Abstract 3282: Determination of cancer susceptibility in probands with breast and ovarian cancer
Schrader, Kasmintan A. , Wubbenhorst, Bradley , Guidugli, Lucia, Corines, Marina, Zhang, Liying , Gupta, Namrata , Hudis, Clifford A. , Lipkin, Steven M. , Nathanson, Katherine L. , Offit, Kenneth , Maxwell, Kara N. , Vijai, Joseph , Hart, Steven N. , Thomas, Tinu , Klein, Robert J. , Neuhausen, Susan L. , Weitzel, Jeffrey N. , Norton, Larry , Getz, Gad , Daly, Mark J. , Altshuler, David , Couch, Fergus J. , Schrader, Intan , Nathanson, Katherine L
Cancer Research | May 1, 2015 | Volume: 74 | Issue: 19_Supplement | Pages: 3282-3282
Abstract Germline mutations of BRCA1 and BRCA2 underlie joint susceptibility to breast and ovarian cancers, but do not account for all cases. Genome wide association studies show little overlap between common variants associated with breast and ovarian cancer susceptibility, whereas rare variants in genes initially identified as breast cancer susceptibility genes also confer susceptibility to ovarian cancer cases, unselected for breast cancer. Ovarian and breast tumors also are observed in Peutz-Jeghers and possibly in Lynch syndrome. To further elucidate rare germline susceptibilities for breast and ovarian cancer, we have ascertained a unique cohort of 90 BRCA1/2-negative probands with a personal history of breast cancer and ovarian/fallopian tube/peritoneal cancer, unselected for family history. Cases are from the clinical genetics services of Memorial Sloan-Kettering Cancer Center and University of Pennsylvania. Analysis is ongoing using both targeted and exome sequencing approaches. Germline DNA of 69 cases will be subjected to whole exome sequencing. A total of 21 additional cases will undergo targeted sequencing for 28 genes (8 cases) and an extended panel of 54 genes (13 cases). The majority of ovarian cancers are high-grade serous epithelial ovarian carcinoma (n=51), in combination with invasive ductal or DCIS (n=36), invasive lobular (n=4), or unspecified (n=11) breast cancers. The remaining ovarian subgroups comprise other epithelial subtypes; endometrioid (n=9), clear cell (n=3), mucinous and low-grade serous (n=3) and non-epithelial (n=4) or unclassified (n=20), in combination with invasive ductal or DCIS (n=21), invasive lobular (n=5) or unspecified (n=13) breast cancers. Preliminary analysis of the targeted set of genes in 69 cases, reveals 43 predicted pathogenic coding or splice site variants; 17 of which are within PALB2, MSH2, MSH6, BARD1, FANCE, CDKN2A, TP53, SETD2, SIRT1, BRIP1, RAD50, and RAD51D and are not seen in dbSNP138, 1000 Genomes or Exome Variant Server ESP6500 and 26 variants with reported frequencies in MUTYH, MSH6, MLH1, FAM175A, RAD50, UIMC1, JARID2, PHF3, SIRT1, MRE11A, ATM, BRCA2, TP53BP1, CDH1, RAD51D, BRCA1, BABAM1 of less than 1% allele frequency in public databases. Analysis of these variants across and within histologic subtypes is being undertaken to look for specific genotype-phenotype correlations. Analysis of novel candidate genes and pathways by co-segregation, functional analysis, as well as external replication is underway to determine whether shared rare variants, mutated genes, or altered pathways confer cancer susceptibility in this cohort. Germline susceptibility to breast and ovarian cancer is heterogenous and remains a critical research and clinical question. Improved understanding of the susceptibility genetics will allow further examination of the utility of targeted cancer prevention strategies in those who are found to be at risk. Citation Format: Kasmintan A. Schrader, Kara N. Maxwell, Joseph Vijai, Steven Hart, Tinu Thomas, Bradley Wubbenhorst, Lucia Guidugli, Robert Klein, Marina Corines, Liying Zhang, Susan Neuhausen, Jeffrey Weitzel, Namrata Gupta, Larry Norton, Clifford Hudis, Gad Getz, Mark Daly, Steven Lipkin, David Altshuler, Fergus Couch, Katherine Nathanson, Kenneth Offit. Determination of cancer susceptibility in probands with breast and ovarian cancer. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2014;74(19 Suppl):Abstract nr 3282. doi:10.1158/1538-7445.AM2014-3282
Candidate Genetic Modifiers for Breast and Ovarian Cancer Risk in BRCA1 and BRCA2 Mutation Carriers
Peterlongo, Paolo , Chang-Claude, Jenny, Moysich, Kirsten B., Schmutzler, Rita K., Simard, Jacques , Soucy, Penny, Eeles, Rosalind A. , Easton, Douglas F. , Hamann, Ute, Wilkening, Stefan, Chen, Bowang , Rookus, Matti A. , Schmidt, Marjanka K. , Baan, Frederieke H. van der , Spurdle, Amanda B. , Walker, Logan C. , Lose, Felicity , Maia, Ana-Teresa , Montagna, Marco , Matricardi, Laura , Lubiński, Jan , Jakubowska, Anna , Gómez, E. , Olopade, Olufunmilayo I., Nathanson, Katherine L. , Rebbeck, Timothy R., Arun, Banu K., Karlan, Beth Y., Oršulić, Sandra , Lester, Jenny, Chung, Wendy K., Miron, Alex, Southey, Melissa C. , Goldgar, David E., Janavičius, Ramūnas , Dorfling, Cecilia M., Rensburg, Elizabeth J. van , Ding, Yuan Chun , Neuhausen, Susan L., Hansen, Thomas van Overeem , Gerdes, Anne‐Marie , Ejlertsen, Bent , Jønson, Lars, Osório, Ana , Martínez-Bouzas, Cristina, Benı́tez, Javier , Conway, Edye E., Blazer, Kathleen R. , Weitzel, Jeffrey N. , Manoukian, Siranoush , Peissel, Bernard , Zaffaroni, Daniela , Scuvera, Giulietta, Barile, Monica, Ficarazzi, Filomena , Mariette, Frédérique, Fortuzzi, Stefano , Viel, Alessandra , Giannini, Giuseppe , Papi, Laura , Martayan, Aline , Tibiletti, Maria Grazia , Radice, Paolo , Vratimos, Athanassios, Fostira, Florentia, Donaldson, Alan, Brewer, Carole, Foo, Claire, Evans, D. Gareth , Frost, Debra, Eccles, Diana , Brady, Angela, Adlard, Julian , Walker, Lisa, Izatt, Louise , Side, Lucy E., Rogers, Mark T., Porteous, Mary, Morrison, Patrick J., Platte, Radka, Davidson, Rosemarie, Hodgson, Shirley V. , Ellis, Steve, Cole, Trevor, EMBRACE, on behalf of, Claes, Kathleen , Maerken, Tom Van, Meindl, Alfons , Gehrig, Andrea, Sutter, Christian , Engel, Christoph , Niederacher, Dieter , Plendl, Hansjoerg, Kast, Karin, Rhiem, Kerstin, Ditsch, Nina , Varon-Mateeva, Raymonda, Wappenschmidt, Barbara , Wang-Gohrke, Shan, Paillerets, Brigitte Bressac–de , Buecher, Bruno , Delnatte, Capucine, Houdayer, Claude , Coupier, Isabelle, Barjhoux, Laure, Venat‐Bouvet, Laurence , Boutry‐Kryza, Nadia, Sinilnikova, Olga M., Caron, Olivier , Mazoyer, Sylvie , Belotti, Muriel, Collaborators, on behalf of GEMO Study, Piedmonte, Marion, Friedländer, Michael , Rodriguez, Gustavo C., Copeland, Larry J. , Hoya, Miguel de la , Segura, Pedro Pérez, Nevanlinna, Heli , Aittomäki, Kristiina, Os, Theo A.M. van, Meijers-Heijboer, Hanne E.J., Hout, Annemarie H. van der, Hoogerbrugge, Nicoline, Ausems, Margreet G.E.M. , Doorn, Helena C. van , Collée, Margriet , HEBON, on behalf of, Oláh, Edith , Dı́ez, Orland , Blanco, Ignacio , Lázaro, Conxi , Brunet, Joan , Feliubadaló, Lídia , Cybulski, Cezary, Durda, Katarzyna, Jaworska–Bieniek, Katarzyna, Sukiennicki, Grzegorz, Arason, Aðalgeir , Chiquette, Jocelyne , Teixeira, Manuel R. , Olswold, Curtis, Lindor, Noralane M. , Offit, Kenneth, Corines, Marina, Jacobs, Lauren , Robson, Mark E. , Zhang, Liying , Vijai, Joseph , Berger, Andreas, Singer, Christian F., Rappaport, Christine , Kaulich, Daphne Geschwantler, Pfeiler, Georg , Tea, Muy-Kheng M., Phelan, Catherine M., Greene, Mark H. , Mai, Phuong L., Rennert, Gad , Mulligan, Anna Marie , Glendon, Gord , Tchatchou, Sandrine, Andrulis, Irene L., Bojesen, Anders , Pedersen, Inge Søkilde , Thomassen, Mads , Jensen, Uffe Birk , Laitman, Yael , Rantala, Johanna, Wachenfeldt, Anna von , Ehrencrona, Hans , Askmalm, Marie Stenmark, Borg, Åke , Kuchenbaecker, Karoline B., McGuffog, Lesley, Barrowdale, Daniel , Healey, Sue, Lee, Andrew , Chenevix‐Trench, Georgia , Investigators, on behalf of KConFab, Antoniou, Antonis C. , Friedman, Eitan , Durocher, Francine , Olopade, Olufunmilayo I. , Hoogerbrugge, Nicoline , Thorne, Heather , Stenmark‐Askmalm, Marie , Wang, Xianshu , Chang‐Claude, Jenny, Moysich, Kirsten B. , Rudolph, Anja , Nussbaum, Robert L. , Domchek, Susan M. , Arun, Banu , By, Karlan, Chung, Wendy K. , Buys, Saundra S. , Garber, Judy E. , Cook, Jackie A , Tischkowitz, Marc D. , Barwell, Julian , Kennedy, Michael John , Ellis, Steve, EMBRACE, on behalf of, Godwin, Andrew K. , Meindl, Alfons , Steinemann, Doris , Arnold, Norbert , Wang-Gohrke, Shan, Stoppa‐Lyonnet, Dominique , Damiola, Francesca , Golmard, Lisa , Pujol, Pascal , Collaborators, on behalf of GEMO Study, Meijers‐Heijboer, Hanne , Vreeswijk, Maaike P.G. , Hoogerbrugge, Nicoline, HEBON, on behalf of, Gronwald, Jacek , Couch, Fergus J. , Szabo, Csilla I. , Singer, Christian F , Mai, Phuong L., Toland, Amanda Ewart , Pharoah, Paul D.P. , Investigators, on behalf of KConFab, Nevanlinna, H , Peterlongo, Paolo , Rennert, Gad , Spurdle, Amanda B , Teixeira, Manuel R , van Rensburg, Elizabeth J , Eccles, Diana , Moysich, Kirsten , de la Hoya, Miguel , Diez, Orland , Radice, Paolo , Weitzel, Jeffrey N , Claes, Kathleen B M , Adlard, Julian , Brunet, Joan , Eeles, Rosalind A , Ehrencrona, Hans , Evans, D Gareth , Joseph, Vijai , Matricardi, Laura , Olopade, Olufunmilayo I , Southey, Melissa C , Jakubowska, Anna , Schmidt, Marjanka K , Nathanson, Katherine L , Friedlander, Michael , Arason, Adalgeir , Barrowdale, Daniel , Benitez, Javier , Engel, Christoph , Lazaro, Conxi , Montagna, Marco , Robson, Mark , Viel, Alessandra , Simard, Jacques , Chenevix-Trench, Georgia , Feliubadaló, Lidia , Gómez-García, Encarna B , Hansen, Thomas van Overeem , Manoukian, Siranoush , Lubinski, Jan , Rhiem, Kerstin
Cancer Epidemiology, Biomarkers & Prevention | October 22, 2014 | Volume: 24 | Issue: 1 | Pages: 308-316
Abstract Background:BRCA1 and BRCA2 mutation carriers are at substantially increased risk for developing breast and ovarian cancer. The incomplete penetrance coupled with the variable age at diagnosis in carriers of the same mutation suggests the existence of genetic and nongenetic modifying factors. In this study, we evaluated the putative role of variants in many candidate modifier genes. Methods: Genotyping data from 15,252 BRCA1 and 8,211 BRCA2 mutation carriers, for known variants (n = 3,248) located within or around 445 candidate genes, were available through the iCOGS custom-designed array. Breast and ovarian cancer association analysis was performed within a retrospective cohort approach. Results: The observed P values of association ranged between 0.005 and 1.000. None of the variants was significantly associated with breast or ovarian cancer risk in either BRCA1 or BRCA2 mutation carriers, after multiple testing adjustments. Conclusion: There is little evidence that any of the evaluated candidate variants act as modifiers of breast and/or ovarian cancer risk in BRCA1 or BRCA2 mutation carriers. Impact: Genome-wide association studies have been more successful at identifying genetic modifiers of BRCA1/2 penetrance than candidate gene studies. Cancer Epidemiol Biomarkers Prev; 24(1); 308–16. ©2014 AACR.