Prevalence of Cancer Predisposition Germline Variants in Male Breast Cancer Patients: Results of the German Consortium for Hereditary Breast and Ovarian Cancer.

Rolfes, Muriel; Borde, Julika; Möllenhoff, Kathrin; Kayali, Mohamad; Ernst, Corinna; Gehrig, Andrea; Sutter, Christian; Ramser, Juliane; Niederacher, Dieter; Horváth, Judit; Arnold, Norbert; Meindl, Alfons; Auber, Bernd; Rump, Andreas; Wang-Gohrke, Shan; Ritter, Julia; Hentschel, Julia; Thiele, Holger; Altmüller, Janine; Nürnberg, Peter; Rhiem, Kerstin; Engel, Christoph; Wappenschmidt, Barbara; Schmutzler, Rita K; Hahnen, Eric; Hauke, Jan

doi:10.3390/cancers14133292

2022

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Titel:: Prevalence of Cancer Predisposition Germline Variants in Male Breast Cancer Patients: Results of the German Consortium for Hereditary Breast and Ovarian Cancer.
Dokumenttyp:: Article; Journal Article
Autor(en):: Rolfes, Muriel; Borde, Julika; Möllenhoff, Kathrin; Kayali, Mohamad; Ernst, Corinna; Gehrig, Andrea; Sutter, Christian; Ramser, Juliane; Niederacher, Dieter; Horváth, Judit; Arnold, Norbert; Meindl, Alfons; Auber, Bernd; Rump, Andreas; Wang-Gohrke, Shan; Ritter, Julia; Hentschel, Julia; Thiele, Holger; Altmüller, Janine; Nürnberg, Peter; Rhiem, Kerstin; Engel, Christoph; Wappenschmidt, Barbara; Schmutzler, Rita K; Hahnen, Eric; Hauke, Jan
Abstract:: Male breast cancer (mBC) is associated with a high prevalence of pathogenic variants (PVs) in the BRCA2 gene; however, data regarding other BC predisposition genes are limited. In this retrospective multicenter study, we investigated the prevalence of PVs in BRCA1/2 and 23 non-BRCA1/2 genes using a sample of 614 patients with mBC, recruited through the centers of the German Consortium for Hereditary Breast and Ovarian Cancer. A high proportion of patients with mBC carried PVs in BRCA2 (23.0%, 142/614) and BRCA1 (4.6%, 28/614). The prevalence of BRCA1/2 PVs was 11.0% in patients with mBC without a family history of breast and/or ovarian cancer. Patients with BRCA1/2 PVs did not show an earlier disease onset than those without. The predominant clinical presentation of tumor phenotypes was estrogen receptor (ER)-positive, progesterone receptor (PR)-positive, and HER2-negative (77.7%); further, 10.2% of the tumors were triple-positive, and 1.2% were triple-negative. No association was found between ER/PR/HER2 status and BRCA1/2 PV occurrence. Comparing the prevalence of protein-truncating variants (PTVs) between patients with mBC and control data (ExAC, n = 27,173) revealed significant associations of PTVs in both BRCA1 and BRCA2 with mBC (BRCA1: OR = 17.04, 95% CI = 10.54−26.82, p < 10−5; BRCA2: OR = 77.71, 95% CI = 58.71−102.33, p < 10−5). A case-control investigation of 23 non-BRCA1/2 genes in 340 BRCA1/2-negative patients and ExAC controls revealed significant associations of PTVs in CHEK2, PALB2, and ATM with mBC (CHEK2: OR = 3.78, 95% CI = 1.59−7.71, p = 0.002; PALB2: OR = 14.77, 95% CI = 5.02−36.02, p < 10−5; ATM: OR = 3.36, 95% CI = 0.89−8.96, p = 0.04). Overall, our findings support the benefit of multi-gene panel testing in patients with mBC irrespective of their family history, age at disease onset, and tumor phenotype.
Zeitschriftentitel:: Cancers (Basel)
Jahr:: 2022
Band / Volume:: 14
Heft / Issue:: 13
Volltext / DOI:: doi:10.3390/cancers14133292
PubMed:: http://view.ncbi.nlm.nih.gov/pubmed/35805063
TUM Einrichtung:: 1067; 1072; 597; Klinik und Poliklinik für Frauenheilkunde
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Clinical Medicine Klinik und Poliklinik für Frauenheilkunde (Prof. Kiechle)2022

mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments