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Laws A, Leonard S, Hershey E, Stokes S, Vincuilla J, Sharma E, Milliron K, Garber JE, Merajver SD, King TA, Pilewskie ML. Upgrade Rates and Breast Cancer Development Among Germline Pathogenic Variant Carriers with High-Risk Breast Lesions. Ann Surg Oncol 2024; 31:3120-3127. [PMID: 38261128 DOI: 10.1245/s10434-024-14947-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
BACKGROUND High-risk lesions (HRL) of the breast are risk factors for future breast cancer development and may be associated with a concurrent underlying malignancy when identified on needle biopsy; however, there are few data evaluating HRLs in carriers of germline pathogenic variants (PVs) in breast cancer predisposition genes. METHODS We identified patients from two institutions with germline PVs in high- and moderate-penetrance breast cancer predisposition genes and an HRL in an intact breast, including atypical ductal hyperplasia (ADH), flat epithelial atypia (FEA), and lobular neoplasia (LN). We calculated upgrade rates at surgical excision and used Kaplan-Meier methods to characterize 3-year breast cancer risk in patients without upgrade. RESULTS Of 117 lesions in 105 patients, 65 (55.6%) were ADH, 48 (41.0%) were LN, and 4 (3.4%) were FEA. Most PVs (83.8%) were in the BRCA1/2, CHEK2 and ATM genes. ADH and FEA were excised in most cases (87.1%), with upgrade rates of 11.8% (95% confidence interval [CI] 5.5-23.4%) and 0%, respectively. LN was selectively excised (53.8%); upgrade rate in the excision group was 4.8% (95% CI 0.8-22.7%), and with 20 months of median follow-up, no same-site cancers developed in the observation group. Among those not upgraded, the 3-year risk of breast cancer development was 13.1% (95% CI 6.3-26.3%), mostly estrogen receptor-positive (ER +) disease (89.5%). CONCLUSIONS Upgrade rates for HRLs in patients with PVs in breast cancer predisposition genes appear similar to non-carriers. HRLs may be associated with increased short-term ER+ breast cancer risk in PV carriers, warranting strong consideration of surgical or chemoprevention therapies in this population.
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Affiliation(s)
- Alison Laws
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Saskia Leonard
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
- John A. Burns School of Medicine, University of Hawaii, Honolulu, HI, USA
| | - Emma Hershey
- Department of Surgery, Michigan Medicine, Ann Arbor, MI, USA
| | - Samantha Stokes
- Division of Cancer Genetics and Prevention, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Julie Vincuilla
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
| | - Eshita Sharma
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
| | - Kara Milliron
- Breast and Ovarian Cancer Risk Evaluation Program, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, USA
| | - Judy E Garber
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Division of Cancer Genetics and Prevention, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Sofia D Merajver
- Breast and Ovarian Cancer Risk Evaluation Program, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, USA
| | - Tari A King
- Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA
- Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
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Gliniewicz K, Kluźniak W, Wokołorczyk D, Huzarski T, Stempa K, Rudnicka H, Jakubowska A, Szwiec M, Jarkiewicz-Tretyn J, Naczk M, Kluz T, Dębniak T, Gronwald J, Lubiński J, Narod SA, Akbari MR, Cybulski C. The APOBEC3B c.783delG Truncating Mutation Is Not Associated with an Increased Risk of Breast Cancer in the Polish Population. Genes (Basel) 2023; 14:1329. [PMID: 37510234 PMCID: PMC10379723 DOI: 10.3390/genes14071329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
The APOBEC3B gene belongs to a cluster of DNA-editing enzymes on chromosome 22 and encodes an activation-induced cytidine deaminase. A large deletion of APOBEC3B was associated with increased breast cancer risk, but the evidence is inconclusive. To investigate whether or not APOBEC3B is a breast cancer susceptibility gene, we sequenced this gene in 617 Polish patients with hereditary breast cancer. We detected a single recurrent truncating mutation (c.783delG, p.Val262Phefs) in four of the 617 (0.65%) hereditary cases by sequencing. We then genotyped an additional 12,484 women with unselected breast cancer and 3740 cancer-free women for the c.783delG mutation. The APOBEC3B c.783delG allele was detected in 60 (0.48%) unselected cases and 19 (0.51%) controls (OR = 0.95, 95% CI 0.56-1.59, p = 0.94). The allele was present in 8 of 1968 (0.41%) familial breast cancer patients from unselected cases (OR = 0.80, 95% CI 0.35-1.83, p = 0.74). Clinical characteristics of breast tumors in carriers of the APOBEC3B mutation and non-carriers were similar. No cancer type was more frequent in the relatives of mutation carriers than in those of non-carriers. We conclude the APOBEC3B deleterious mutation p.Val262Phefs does not confer breast cancer risk. These data do not support the hypothesis that APOBEC3B is a breast cancer susceptibility gene.
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Affiliation(s)
- Katarzyna Gliniewicz
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Wojciech Kluźniak
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Dominika Wokołorczyk
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Tomasz Huzarski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
- Department of Clinical Genetics and Pathology, University of Zielona Góra, 65-046 Zielona Góra, Poland
| | - Klaudia Stempa
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Helena Rudnicka
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Anna Jakubowska
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
- Independent Laboratory of Molecular Biology and Genetic Diagnostics, Pomeranian Medical University in Szczecin, 70-204 Szczecin, Poland
| | - Marek Szwiec
- Department of Surgery and Oncology, University of Zielona Góra, 65-046 Zielona Góra, Poland;
| | | | - Mariusz Naczk
- Institute of Health Sciences, Collegium Medicum, University of Zielona Góra, 65-417 Zielona Góra, Poland;
| | - Tomasz Kluz
- Department of Gynecology and Obstetrics, Institute of Medical, Sciences, Medical College of Rzeszów University, 35-959 Rzeszów, Poland;
| | - Tadeusz Dębniak
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Jacek Gronwald
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Jan Lubiński
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
| | - Steven A. Narod
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON M5S 1B2, Canada; (S.A.N.); (M.R.A.)
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada
| | - Mohammad R. Akbari
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON M5S 1B2, Canada; (S.A.N.); (M.R.A.)
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada
| | - Cezary Cybulski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; (K.G.); (W.K.); (D.W.); (T.H.); (K.S.); (H.R.); (A.J.); (T.D.); (J.G.); (J.L.)
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Gronwald J, Cybulski C, Huzarski T, Jakubowska A, Debniak T, Lener M, Narod SA, Lubinski J. Genetic testing for hereditary breast cancer in Poland: 1998-2022. Hered Cancer Clin Pract 2023; 21:9. [PMID: 37312208 DOI: 10.1186/s13053-023-00252-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/24/2023] [Indexed: 06/15/2023] Open
Abstract
BRCA1 and BRCA2 mutations contribute to both breast cancer and ovarian cancer worldwide. In Poland approximately 4% of patients with breast cancers and 10% of patients with ovarian cancer carry a mutation in BRCA1. The majority of mutations consist of three founder mutations. A rapid inexpensive test for these three mutations can be used to screen all Polish adults at a reasonable cost. In the region of Pomerania of North-western Poland nearly half a million tests have been performed, in large part through engaging family doctors and providing ready access to testing through the Pomeranian Medical University. The following commentary provides a history of genetic testing for cancer in Pomerania and the current approach to facilitating access to genetic testing at the Cancer Family Clinic for all adults living in the region.
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Affiliation(s)
- Jacek Gronwald
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Cezary Cybulski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Tomasz Huzarski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Anna Jakubowska
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Tadeusz Debniak
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Marcin Lener
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Steven A Narod
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
- Womens College Research Institute, Toronto, ON, Canada.
| | - Jan Lubinski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland.
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