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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, Nasim, Antoniou, Antonis C., Mooij, Thea M., Hooning, Maartje J., Heemskerk-Gerritsen, Bernadette A., Nogues, Catherine, Laborde, Lilian, Breysse, Emmanuel, Stoppa-Lyonnet, Dominique, Gauthier-Villars, Marion, Buecher, Bruno, Caron, Olivier, Fourme-Mouret, Emmanuelle, Fricker, Jean-Pierre, Lasset, Christine, Bonadona, Valerie, Berthet, Pascaline, Faivre, Laurence, Luporsi, Elisabeth, Mari, Veronique, Gladieff, Laurence, Gesta, Paul, Sobol, Hagay, Eisinger, Francois, Longy, Michel, Dugast, Catherine, Colas, Chrystelle, Coupier, Isabelle, Pujol, Pascal, Corsini, Carole, Lortholary, Alain, Vennin, Philippe, Adenis, Claude, Nguyen, Tan Dat, Delnatte, Capucine, Tinat, Julie, Tennevet, Isabelle, Limacher, Jean-Marc, Maugard, Christine, Bignon, Yves-Jean, Demange, Liliane, Penet, Clotilde, Dreyfus, Helene, Cohen-Haguenauer, Odile, Venat-Bouvet, Laurence, Leroux, Dominique, Zattara-Cannoni, Helene, Fert-Ferrer, Sandra, Bera, Odile, Ellis, Steve, Barrowdale, Daniel, Frost, Debra, Evans, D. Gareth, Izatt, Louise, Adlard, Julian, Eeles, Ros, Brewer, Carole, Tischkowitz, Marc, Henderson, Alex, Cook, Jackie, Eccles, Diana, Hogervorst, F. B. L., Collee, J. M., van Asperen, C. J., Mensenkamp, A. R., Ausems, M. G. E. M., Meijers-Heijboer, H. E. J., van Engelen, K., Blok, M. J., Oosterwijk, J. C., Verloop, J., van den Broek, E., van Engelen, Klaartje, Mourits, Marian J. E., Ausems, Margreet G. E. M., Koppert, Linetta B., Hopper, John L., John, Esther M., Chung, Wendy K., Andrulis, Irene L., Daly, Mary B., Buys, Saundra S., Benitez, Javier, Caldes, Trinidad, Jakubowska, Anna, Simard, Jacques, Singer, Christian F., Tan, Yen, Olah, Edith, Navratilova, Marie, Foretova, Lenka, Gerdes, Anne-Marie, Roos-Blom, Marie-Jose, Van Leeuwen, Flora E., Arver, Brita, Olsson, Hakan, Schmutzler, Rita K., Engel, Christoph, Kast, Karin, Phillips, Kelly-Anne, Terry, Mary Beth, Milne, Roger L., Goldgar, David E., Rookus, Matti A., Andrieu, Nadine, Easton, Douglas F., Mavaddat, Nasim, Antoniou, Antonis C., Mooij, Thea M., Hooning, Maartje J., Heemskerk-Gerritsen, Bernadette A., Nogues, Catherine, Laborde, Lilian, Breysse, Emmanuel, Stoppa-Lyonnet, Dominique, Gauthier-Villars, Marion, Buecher, Bruno, Caron, Olivier, Fourme-Mouret, Emmanuelle, Fricker, Jean-Pierre, Lasset, Christine, Bonadona, Valerie, Berthet, Pascaline, Faivre, Laurence, Luporsi, Elisabeth, Mari, Veronique, Gladieff, Laurence, Gesta, Paul, Sobol, Hagay, Eisinger, Francois, Longy, Michel, Dugast, Catherine, Colas, Chrystelle, Coupier, Isabelle, Pujol, Pascal, Corsini, Carole, Lortholary, Alain, Vennin, Philippe, Adenis, Claude, Nguyen, Tan Dat, Delnatte, Capucine, Tinat, Julie, Tennevet, Isabelle, Limacher, Jean-Marc, Maugard, Christine, Bignon, Yves-Jean, Demange, Liliane, Penet, Clotilde, Dreyfus, Helene, Cohen-Haguenauer, Odile, Venat-Bouvet, Laurence, Leroux, Dominique, Zattara-Cannoni, Helene, Fert-Ferrer, Sandra, Bera, Odile, Ellis, Steve, Barrowdale, Daniel, Frost, Debra, Evans, D. Gareth, Izatt, Louise, Adlard, Julian, Eeles, Ros, Brewer, Carole, Tischkowitz, Marc, Henderson, Alex, Cook, Jackie, Eccles, Diana, Hogervorst, F. B. L., Collee, J. M., van Asperen, C. J., Mensenkamp, A. R., Ausems, M. G. E. M., Meijers-Heijboer, H. E. J., van Engelen, K., Blok, M. J., Oosterwijk, J. C., Verloop, J., van den Broek, E., van Engelen, Klaartje, Mourits, Marian J. E., Ausems, Margreet G. E. M., Koppert, Linetta B., Hopper, John L., John, Esther M., Chung, Wendy K., Andrulis, Irene L., Daly, Mary B., Buys, Saundra S., Benitez, Javier, Caldes, Trinidad, Jakubowska, Anna, Simard, Jacques, Singer, Christian F., Tan, Yen, Olah, Edith, Navratilova, Marie, Foretova, Lenka, Gerdes, Anne-Marie, Roos-Blom, Marie-Jose, Van Leeuwen, Flora E., Arver, Brita, Olsson, Hakan, Schmutzler, Rita K., Engel, Christoph, Kast, Karin, Phillips, Kelly-Anne, Terry, Mary Beth, Milne, Roger L., Goldgar, David E., Rookus, Matti A., Andrieu, Nadine, and Easton, Douglas F.

Abstract

Background 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. Methods 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. Results 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. Conclusion 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.

Published
2020

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

Author

Mavaddat, Nasim, Antoniou, Antonis C., Mooij, Thea M., Hooning, Maartje J., Heemskerk-Gerritsen, Bernadette A., Nogues, Catherine, Laborde, Lilian, Breysse, Emmanuel, Stoppa-Lyonnet, Dominique, Gauthier-Villars, Marion, Buecher, Bruno, Caron, Olivier, Fourme-Mouret, Emmanuelle, Fricker, Jean-Pierre, Lasset, Christine, Bonadona, Valerie, Berthet, Pascaline, Faivre, Laurence, Luporsi, Elisabeth, Mari, Veronique, Gladieff, Laurence, Gesta, Paul, Sobol, Hagay, Eisinger, Francois, Longy, Michel, Dugast, Catherine, Colas, Chrystelle, Coupier, Isabelle, Pujol, Pascal, Corsini, Carole, Lortholary, Alain, Vennin, Philippe, Adenis, Claude, Nguyen, Tan Dat, Delnatte, Capucine, Tinat, Julie, Tennevet, Isabelle, Limacher, Jean-Marc, Maugard, Christine, Bignon, Yves-Jean, Demange, Liliane, Penet, Clotilde, Dreyfus, Helene, Cohen-Haguenauer, Odile, Venat-Bouvet, Laurence, Leroux, Dominique, Zattara-Cannoni, Helene, Fert-Ferrer, Sandra, Bera, Odile, Ellis, Steve, Barrowdale, Daniel, Frost, Debra, Evans, D. Gareth, Izatt, Louise, Adlard, Julian, Eeles, Ros, Brewer, Carole, Tischkowitz, Marc, Henderson, Alex, Cook, Jackie, Eccles, Diana, Hogervorst, F. B. L., Collee, J. M., van Asperen, C. J., Mensenkamp, A. R., Ausems, M. G. E. M., Meijers-Heijboer, H. E. J., van Engelen, K., Blok, M. J., Oosterwijk, J. C., Verloop, J., van den Broek, E., van Engelen, Klaartje, Mourits, Marian J. E., Ausems, Margreet G. E. M., Koppert, Linetta B., Hopper, John L., John, Esther M., Chung, Wendy K., Andrulis, Irene L., Daly, Mary B., Buys, Saundra S., Benitez, Javier, Caldes, Trinidad, Jakubowska, Anna, Simard, Jacques, Singer, Christian F., Tan, Yen, Olah, Edith, Navratilova, Marie, Foretova, Lenka, Gerdes, Anne-Marie, Roos-Blom, Marie-Jose, Van Leeuwen, Flora E., Arver, Brita, Olsson, Hakan, Schmutzler, Rita K., Engel, Christoph, Kast, Karin, Phillips, Kelly-Anne, Terry, Mary Beth, Milne, Roger L., Goldgar, David E., Rookus, Matti A., Andrieu, Nadine, Easton, Douglas F., Mavaddat, Nasim, Antoniou, Antonis C., Mooij, Thea M., Hooning, Maartje J., Heemskerk-Gerritsen, Bernadette A., Nogues, Catherine, Laborde, Lilian, Breysse, Emmanuel, Stoppa-Lyonnet, Dominique, Gauthier-Villars, Marion, Buecher, Bruno, Caron, Olivier, Fourme-Mouret, Emmanuelle, Fricker, Jean-Pierre, Lasset, Christine, Bonadona, Valerie, Berthet, Pascaline, Faivre, Laurence, Luporsi, Elisabeth, Mari, Veronique, Gladieff, Laurence, Gesta, Paul, Sobol, Hagay, Eisinger, Francois, Longy, Michel, Dugast, Catherine, Colas, Chrystelle, Coupier, Isabelle, Pujol, Pascal, Corsini, Carole, Lortholary, Alain, Vennin, Philippe, Adenis, Claude, Nguyen, Tan Dat, Delnatte, Capucine, Tinat, Julie, Tennevet, Isabelle, Limacher, Jean-Marc, Maugard, Christine, Bignon, Yves-Jean, Demange, Liliane, Penet, Clotilde, Dreyfus, Helene, Cohen-Haguenauer, Odile, Venat-Bouvet, Laurence, Leroux, Dominique, Zattara-Cannoni, Helene, Fert-Ferrer, Sandra, Bera, Odile, Ellis, Steve, Barrowdale, Daniel, Frost, Debra, Evans, D. Gareth, Izatt, Louise, Adlard, Julian, Eeles, Ros, Brewer, Carole, Tischkowitz, Marc, Henderson, Alex, Cook, Jackie, Eccles, Diana, Hogervorst, F. B. L., Collee, J. M., van Asperen, C. J., Mensenkamp, A. R., Ausems, M. G. E. M., Meijers-Heijboer, H. E. J., van Engelen, K., Blok, M. J., Oosterwijk, J. C., Verloop, J., van den Broek, E., van Engelen, Klaartje, Mourits, Marian J. E., Ausems, Margreet G. E. M., Koppert, Linetta B., Hopper, John L., John, Esther M., Chung, Wendy K., Andrulis, Irene L., Daly, Mary B., Buys, Saundra S., Benitez, Javier, Caldes, Trinidad, Jakubowska, Anna, Simard, Jacques, Singer, Christian F., Tan, Yen, Olah, Edith, Navratilova, Marie, Foretova, Lenka, Gerdes, Anne-Marie, Roos-Blom, Marie-Jose, Van Leeuwen, Flora E., Arver, Brita, Olsson, Hakan, Schmutzler, Rita K., Engel, Christoph, Kast, Karin, Phillips, Kelly-Anne, Terry, Mary Beth, Milne, Roger L., Goldgar, David E., Rookus, Matti A., Andrieu, Nadine, and Easton, Douglas F.

Abstract

Background 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. Methods 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. Results 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. Conclusion 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.

Published
2020

3. Oral Contraceptive Use and Breast Cancer Risk: Retrospective and Prospective Analyses From a BRCA1 and BRCA2 Mutation Carrier Cohort Study

Author

Schrijver, Lieske H., Olsson, Hakan, Phillips, Kelly-Anne, Terry, Mary Beth, Goldgar, David E., Kast, Karin, Engel, Christoph, Mooij, Thea M., Adlard, Julian, Barrowdale, Daniel, Davidson, Rosemarie, Eeles, Ros, Ellis, Steve, Evans, D. Gareth, Frost, Debra, Izatt, Louise, Porteous, Mary E., Side, Lucy E., Walker, Lisa, Berthet, Pascaline, Bonadona, Val Erie, Leroux, Dominique, Mouret-Fourme, Emmanuelle, Venat-Bouvet, Laurence, Buys, Saundra S., Southey, Melissa C., John, Esther M., Chung, Wendy K., Daly, Mary B., Bane, Anita, van Asperen, Christi J., Garcia, Encarna B. Gomez, Mourits, Marian J. E., Roos-Blom, Marie-Jose, Friedlander, Michael L., McLachlan, Sue-Anne, Singer, Christian F., Foretova, Lenka, Gerdes, Anne-Marie, Caldes, Trinidad, Olah, Edith, Jakubowska, Anna, Nogues, Catherine, Andrieu, Nadine, Easton, Douglas F., van Leeuwen, Flora E., Hopper, John L., Milne, Roger L., Antoniou, Antonis C., Rookus, Matti A., Rookus, M. A., Hogervorst, F. B. L., van Leeuwen, F. E., Adank, M. A., Schmidt, M. K., Russell, N. S., de Lange, J. L., Wijnands, R., Jenner, D. J., Collee, J. M., van den Ouweland, A. M. W., Hooning, M. J., Seynaeve, C., van Deurzen, C. H. M., Obdeijn, I. M., van Asperen, C. J., Wijnen, J. T., Tollenaar, R. A. E. M., Devilee, P., van Cronenburg, T. C. T. E. F., Kets, C. M., Mensenkamp, A. R., Ausems, M. G. E. M., van der Luijt, R. B., van der Pol, C. C., Aalfs, C. M., Meijers-Heijboer, H. E. J., van Os, T. A. M., van Engelen, K., Gille, J. J. P., Waisfisz, Q., Gomez-Garcia, E. B., Blok, M. J., Oosterwijk, J. C., van der Hout, A. H., Mourits, M. J., de Bock, G. H., Siesling, S., Verloop, J., Overbeek, L. I. H., Schrijver, Lieske H., Olsson, Hakan, Phillips, Kelly-Anne, Terry, Mary Beth, Goldgar, David E., Kast, Karin, Engel, Christoph, Mooij, Thea M., Adlard, Julian, Barrowdale, Daniel, Davidson, Rosemarie, Eeles, Ros, Ellis, Steve, Evans, D. Gareth, Frost, Debra, Izatt, Louise, Porteous, Mary E., Side, Lucy E., Walker, Lisa, Berthet, Pascaline, Bonadona, Val Erie, Leroux, Dominique, Mouret-Fourme, Emmanuelle, Venat-Bouvet, Laurence, Buys, Saundra S., Southey, Melissa C., John, Esther M., Chung, Wendy K., Daly, Mary B., Bane, Anita, van Asperen, Christi J., Garcia, Encarna B. Gomez, Mourits, Marian J. E., Roos-Blom, Marie-Jose, Friedlander, Michael L., McLachlan, Sue-Anne, Singer, Christian F., Foretova, Lenka, Gerdes, Anne-Marie, Caldes, Trinidad, Olah, Edith, Jakubowska, Anna, Nogues, Catherine, Andrieu, Nadine, Easton, Douglas F., van Leeuwen, Flora E., Hopper, John L., Milne, Roger L., Antoniou, Antonis C., Rookus, Matti A., Rookus, M. A., Hogervorst, F. B. L., van Leeuwen, F. E., Adank, M. A., Schmidt, M. K., Russell, N. S., de Lange, J. L., Wijnands, R., Jenner, D. J., Collee, J. M., van den Ouweland, A. M. W., Hooning, M. J., Seynaeve, C., van Deurzen, C. H. M., Obdeijn, I. M., van Asperen, C. J., Wijnen, J. T., Tollenaar, R. A. E. M., Devilee, P., van Cronenburg, T. C. T. E. F., Kets, C. M., Mensenkamp, A. R., Ausems, M. G. E. M., van der Luijt, R. B., van der Pol, C. C., Aalfs, C. M., Meijers-Heijboer, H. E. J., van Os, T. A. M., van Engelen, K., Gille, J. J. P., Waisfisz, Q., Gomez-Garcia, E. B., Blok, M. J., Oosterwijk, J. C., van der Hout, A. H., Mourits, M. J., de Bock, G. H., Siesling, S., Verloop, J., and Overbeek, L. I. H.

Abstract

Background: For BRCA1 and BRCA2 mutation carriers, the association between oral contraceptive preparation (OCP) use and breast cancer (BC) risk is still unclear. Methods: Breast camcer risk associations were estimated from OCP data on 6030 BRCA1 and 3809 BRCA2 mutation carriers using age-dependent Cox regression, stratified by study and birth cohort. Prospective, left-truncated retrospective and full-cohort retrospective analyses were performed. Results: For BRCA1 mutation carriers, OCP use was not associated with BC risk in prospective analyses (hazard ratio [HR] = 1.08, 95% confidence interval [CI] = 0.75 to 1.56), but in the left-truncated and full-cohort retrospective analyses, risks were increased by 26% (95% CI = 6% to 51%) and 39% (95% CI = 23% to 58%), respectively. For BRCA2 mutation carriers, OCP use was associated with BC risk in prospective analyses (HR = 1.75, 95% CI = 1.03 to 2.97), but retrospective analyses were inconsistent (left-truncated: HR = 1.06, 95% CI = 0.85 to 1.33; full cohort: HR = 1.52, 95% CI = 1.28 to 1.81). There was evidence of increasing risk with duration of use, especially before the first full-term pregnancy (BRCA1: both retrospective analyses, P < .001 and P = .001, respectively; BRCA2: full retrospective analysis, P = .002). Conclusions: Prospective analyses did not show that past use of OCP is associated with an increased BC risk for BRCA1 mutation carriers in young middle-aged women (40-50 years). For BRCA2 mutation carriers, a causal association is also not likely at those ages. Findings between retrospective and prospective analyses were inconsistent and could be due to survival bias or a true association for younger women who were underrepresented in the prospective cohort. Given the uncertain safety of long-term OCP use for BRCA1/2 mutation carriers, indications other than contraception should be avoided and non-hormonal contraceptive methods should be discussed.

Published
2018

4. Oral Contraceptive Use and Breast Cancer Risk: Retrospective and Prospective Analyses From a BRCA1 and BRCA2 Mutation Carrier Cohort Study

Author

Schrijver, Lieske H., Olsson, Hakan, Phillips, Kelly-Anne, Terry, Mary Beth, Goldgar, David E., Kast, Karin, Engel, Christoph, Mooij, Thea M., Adlard, Julian, Barrowdale, Daniel, Davidson, Rosemarie, Eeles, Ros, Ellis, Steve, Evans, D. Gareth, Frost, Debra, Izatt, Louise, Porteous, Mary E., Side, Lucy E., Walker, Lisa, Berthet, Pascaline, Bonadona, Val Erie, Leroux, Dominique, Mouret-Fourme, Emmanuelle, Venat-Bouvet, Laurence, Buys, Saundra S., Southey, Melissa C., John, Esther M., Chung, Wendy K., Daly, Mary B., Bane, Anita, van Asperen, Christi J., Garcia, Encarna B. Gomez, Mourits, Marian J. E., Roos-Blom, Marie-Jose, Friedlander, Michael L., McLachlan, Sue-Anne, Singer, Christian F., Foretova, Lenka, Gerdes, Anne-Marie, Caldes, Trinidad, Olah, Edith, Jakubowska, Anna, Nogues, Catherine, Andrieu, Nadine, Easton, Douglas F., van Leeuwen, Flora E., Hopper, John L., Milne, Roger L., Antoniou, Antonis C., Rookus, Matti A., Rookus, M. A., Hogervorst, F. B. L., van Leeuwen, F. E., Adank, M. A., Schmidt, M. K., Russell, N. S., de Lange, J. L., Wijnands, R., Jenner, D. J., Collee, J. M., van den Ouweland, A. M. W., Hooning, M. J., Seynaeve, C., van Deurzen, C. H. M., Obdeijn, I. M., van Asperen, C. J., Wijnen, J. T., Tollenaar, R. A. E. M., Devilee, P., van Cronenburg, T. C. T. E. F., Kets, C. M., Mensenkamp, A. R., Ausems, M. G. E. M., van der Luijt, R. B., van der Pol, C. C., Aalfs, C. M., Meijers-Heijboer, H. E. J., van Os, T. A. M., van Engelen, K., Gille, J. J. P., Waisfisz, Q., Gomez-Garcia, E. B., Blok, M. J., Oosterwijk, J. C., van der Hout, A. H., Mourits, M. J., de Bock, G. H., Siesling, S., Verloop, J., Overbeek, L. I. H., Schrijver, Lieske H., Olsson, Hakan, Phillips, Kelly-Anne, Terry, Mary Beth, Goldgar, David E., Kast, Karin, Engel, Christoph, Mooij, Thea M., Adlard, Julian, Barrowdale, Daniel, Davidson, Rosemarie, Eeles, Ros, Ellis, Steve, Evans, D. Gareth, Frost, Debra, Izatt, Louise, Porteous, Mary E., Side, Lucy E., Walker, Lisa, Berthet, Pascaline, Bonadona, Val Erie, Leroux, Dominique, Mouret-Fourme, Emmanuelle, Venat-Bouvet, Laurence, Buys, Saundra S., Southey, Melissa C., John, Esther M., Chung, Wendy K., Daly, Mary B., Bane, Anita, van Asperen, Christi J., Garcia, Encarna B. Gomez, Mourits, Marian J. E., Roos-Blom, Marie-Jose, Friedlander, Michael L., McLachlan, Sue-Anne, Singer, Christian F., Foretova, Lenka, Gerdes, Anne-Marie, Caldes, Trinidad, Olah, Edith, Jakubowska, Anna, Nogues, Catherine, Andrieu, Nadine, Easton, Douglas F., van Leeuwen, Flora E., Hopper, John L., Milne, Roger L., Antoniou, Antonis C., Rookus, Matti A., Rookus, M. A., Hogervorst, F. B. L., van Leeuwen, F. E., Adank, M. A., Schmidt, M. K., Russell, N. S., de Lange, J. L., Wijnands, R., Jenner, D. J., Collee, J. M., van den Ouweland, A. M. W., Hooning, M. J., Seynaeve, C., van Deurzen, C. H. M., Obdeijn, I. M., van Asperen, C. J., Wijnen, J. T., Tollenaar, R. A. E. M., Devilee, P., van Cronenburg, T. C. T. E. F., Kets, C. M., Mensenkamp, A. R., Ausems, M. G. E. M., van der Luijt, R. B., van der Pol, C. C., Aalfs, C. M., Meijers-Heijboer, H. E. J., van Os, T. A. M., van Engelen, K., Gille, J. J. P., Waisfisz, Q., Gomez-Garcia, E. B., Blok, M. J., Oosterwijk, J. C., van der Hout, A. H., Mourits, M. J., de Bock, G. H., Siesling, S., Verloop, J., and Overbeek, L. I. H.

Abstract

Background: For BRCA1 and BRCA2 mutation carriers, the association between oral contraceptive preparation (OCP) use and breast cancer (BC) risk is still unclear. Methods: Breast camcer risk associations were estimated from OCP data on 6030 BRCA1 and 3809 BRCA2 mutation carriers using age-dependent Cox regression, stratified by study and birth cohort. Prospective, left-truncated retrospective and full-cohort retrospective analyses were performed. Results: For BRCA1 mutation carriers, OCP use was not associated with BC risk in prospective analyses (hazard ratio [HR] = 1.08, 95% confidence interval [CI] = 0.75 to 1.56), but in the left-truncated and full-cohort retrospective analyses, risks were increased by 26% (95% CI = 6% to 51%) and 39% (95% CI = 23% to 58%), respectively. For BRCA2 mutation carriers, OCP use was associated with BC risk in prospective analyses (HR = 1.75, 95% CI = 1.03 to 2.97), but retrospective analyses were inconsistent (left-truncated: HR = 1.06, 95% CI = 0.85 to 1.33; full cohort: HR = 1.52, 95% CI = 1.28 to 1.81). There was evidence of increasing risk with duration of use, especially before the first full-term pregnancy (BRCA1: both retrospective analyses, P < .001 and P = .001, respectively; BRCA2: full retrospective analysis, P = .002). Conclusions: Prospective analyses did not show that past use of OCP is associated with an increased BC risk for BRCA1 mutation carriers in young middle-aged women (40-50 years). For BRCA2 mutation carriers, a causal association is also not likely at those ages. Findings between retrospective and prospective analyses were inconsistent and could be due to survival bias or a true association for younger women who were underrepresented in the prospective cohort. Given the uncertain safety of long-term OCP use for BRCA1/2 mutation carriers, indications other than contraception should be avoided and non-hormonal contraceptive methods should be discussed.

Published
2018

5. Breast Cancer Risk After Salpingo-Oophorectomy in Healthy BRCA1/2 Mutation Carriers : Revisiting the Evidence for Risk Reduction

Author

Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., Hereditary Breast Ovarian Canc Res, Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., and Hereditary Breast Ovarian Canc Res

Published
2015

6. Breast Cancer Risk After Salpingo-Oophorectomy in Healthy BRCA1/2 Mutation Carriers : Revisiting the Evidence for Risk Reduction

Author

Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., Hereditary Breast Ovarian Canc Res, Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., and Hereditary Breast Ovarian Canc Res

Published
2015

7. Breast Cancer Risk After Salpingo-Oophorectomy in Healthy BRCA1/2 Mutation Carriers : Revisiting the Evidence for Risk Reduction

Author

Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., Hereditary Breast Ovarian Canc Res, Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., and Hereditary Breast Ovarian Canc Res

Published
2015

8. Breast Cancer Risk After Salpingo-Oophorectomy in Healthy BRCA1/2 Mutation Carriers: Revisiting the Evidence for Risk Reduction

Author

Genetica Sectie Oncogenetica, Child Health, Cancer, Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., Hereditary Breast Ovarian Canc Res, Genetica Sectie Oncogenetica, Child Health, Cancer, Heemskerk-Gerritsen, B. A. M., Seynaeve, C., van Asperen, C. J., Ausems, M. G. E. M., Collee, J. M., van Doorn, H. C., Garcia, E. B. Gomez, Kets, C. M., van Leeuwen, F. E., Meijers-Heijboer, H. E. J., Mourits, M. J. E., van Os, T. A. M., Vasen, H. F. A., Verhoef, S., Rookus, M. A., Hooning, M. J., and Hereditary Breast Ovarian Canc Res

Published
2015

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

Author

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

Abstract

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

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

Author

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

Abstract

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

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

Author

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

Abstract

BACKGROUND: The variable penetrance of breast cancer in BRCA1/2 mutation carriers suggests that other genetic or environmental factors modify breast cancer risk. Two genes of special interest are prohibitin (PHB) and methylene-tetrahydrofolate reductase (MTHFR), both of which are important either directly or indirectly in maintaining genomic integrity. less thanbrgreater than less thanbrgreater thanMETHODS: To evaluate the potential role of genetic variants within PHB and MTHFR in breast and ovarian cancer risk, 4102 BRCA1 and 2093 BRCA2 mutation carriers, and 6211 BRCA1 and 2902 BRCA2 carriers from the Consortium of Investigators of Modifiers of BRCA1 and BRCA2 (CIMBA) were genotyped for the PHB 1630 Candgt;T (rs6917) polymorphism and the MTHFR 677 Candgt;T (rs1801133) polymorphism, respectively. less thanbrgreater than less thanbrgreater thanRESULTS: There was no evidence of association between the PHB 1630 Candgt;T and MTHFR 677 Candgt;T polymorphisms with either disease for BRCA1 or BRCA2 mutation carriers when breast and ovarian cancer associations were evaluated separately. Analysis that evaluated associations for breast and ovarian cancer simultaneously showed some evidence that BRCA1 mutation carriers who had the rare homozygote genotype (TT) of the PHB 1630 Candgt;T polymorphism were at increased risk of both breast and ovarian cancer (HR 1.50, 95% CI 1.10-2.04 and HR 2.16, 95% CI 1.24-3.76, respectively). However, there was no evidence of association under a multiplicative model for the effect of each minor allele. less thanbrgreater than less thanbrgreater thanCONCLUSION: The PHB 1630TT genotype may modify breast and ovarian cancer risks in BRCA1 mutation carriers. This association need to be evaluated in larger series of BRCA1 mutation carriers., Funding Agencies|Breast Cancer Research Foundation||Susan G Komen Foundation||Istituto Toscano Tumori||Cancer Care Ontario, Canada (ILA)||National Cancer Institute, National Institutes of Health|RFA-CA-06-503|Mayo Rochester Early Career Development Award for Non-Clinician Scientists||Grant Agency of the Czech republic|301/08/P103|Ministry of Health of the CR|-MZ0 MOU 2005|Fund for Scientific Research Flanders (FWO)|1.5.150.07|Ghent university|12051203|Susan G Komen Foundation Basic, Clinical and Translational|||BCTR0402923

Published
2012
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