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Sueangoen N, Thuwajit P, Yenchitsomanus PT, Thuwajit C. Public neoantigens in breast cancer immunotherapy (Review). Int J Mol Med 2024; 54:65. [PMID: 38904202 DOI: 10.3892/ijmm.2024.5388] [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: 01/17/2024] [Accepted: 05/15/2024] [Indexed: 06/22/2024] Open
Abstract
Among women globally, breast cancer is the most prevalent cancer and the leading cause of cancer‑related death. Interestingly, though genetic mutations contribute to the disease, <15% of women diagnosed with breast cancer have a family history of the disease, suggesting a prevalence of sporadic genetic mutations in breast cancer development. In the rapidly rising field of cancer genomics, neoantigen‑based immunotherapy has come to the fore. The investigation of novel proteins arising from unique somatic mutations or neoantigens have opened a new pathway for both individualized and public cancer treatments. Because they are shared among individuals with similar genetic changes, public neoantigens provide an opportunity for 'off‑the‑shelf' anticancer therapies, potentially extending the benefits to a wider patient group. The present review aimed to highlight the role of shared or public neoantigens as therapeutic targets for patients with breast cancer, emphasizing common hotspot mutations of certain genes identified in breast cancer. The clinical utilization of public neoantigen‑based therapies for breast cancer treatment were also discussed.
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Affiliation(s)
- Natthaporn Sueangoen
- Research Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Peti Thuwajit
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pa-Thai Yenchitsomanus
- Siriraj Center of Research Excellence for Cancer Immunotherapy (SiCORE‑CIT), Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chanitra Thuwajit
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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2
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O'Quigley J. Making sense of breast cancer risk estimates. Genet Epidemiol 2024; 48:141-147. [PMID: 38334222 DOI: 10.1002/gepi.22550] [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: 08/24/2023] [Revised: 12/18/2023] [Accepted: 01/08/2024] [Indexed: 02/10/2024]
Abstract
Individual probabilistic assessments on the risk of cancer, primary or secondary, will not be understood by most patients. That is the essence of our arguments in this paper. Greater understanding can be achieved by extensive, intensive, and detailed counseling. But since probability itself is a concept that easily escapes our everyday intuition-consider the famous Monte Hall paradox-then it would also be wise to advise patients and potential patients, to not put undue weight on any probabilistic assessment. Such assessments can be of value to the epidemiologist in the investigation of different potential etiologies describing cancer evolution or to the clinical trialist as a way to maximize design efficiency. But to an ordinary individual we cannot anticipate that these assessments will be correctly interpreted.
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Affiliation(s)
- John O'Quigley
- Department of Statistical Science, University College London, London, UK
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3
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Byrne M, Sia TY, Fong C, Khurram A, Waters M, Kemel YM, Zhou Q, Ranganathan M, Long Roche K, Chi DS, Saban S, Wu M, Varice N, Hamilton JG, Carrot-Zhang J, Abu-Rustum NR, Iasonos A, Ellenson LH, Mandelker D, Weigelt B, Brown CL, Aghajanian C, Stadler Z, Liu YL. Mainstreaming in parallel with ovarian cancer tumor testing to improve genetic testing uptake. Gynecol Oncol 2024; 183:126-132. [PMID: 38493020 DOI: 10.1016/j.ygyno.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/01/2024] [Accepted: 03/05/2024] [Indexed: 03/18/2024]
Abstract
OBJECTIVES Although genetic testing (GT) is universally recommended for patients with epithelial ovarian cancer (EOC), rates are low (34%). In 1/2019, we implemented mainstreaming-GT in parallel with tumor testing via MSK-IMPACT within oncology clinics. We sought to determine GT rates pre/post-mainstreaming and patient characteristics associated with GT. METHODS Patients with newly diagnosed EOC seen at our institution from 7/1/2015-3/31/2022 were included. Clinical data were abstracted including social determinants of health (SDOH) variables, race/ethnicity, marital status, insurance, language, comorbidities, employment, and Yost index, a measure of socioeconomic status. GT rates were calculated overall and pre-/post-mainstreaming (1/2019). Logistic regression models were fit to identify variables associated with GT. RESULTS Of 1742 patients with EOC, 1591 (91%) underwent GT. Rates of GT increased from 87% to 95% after mainstreaming (p < 0.001). Among 151 patients not undergoing GT, major reasons were lack of provider recommendation (n = 76, 50%) and logistical issues (n = 38, 25%) with few declining (n = 14, 9%) or having medical complications preventing GT (n = 7, 4.6%). High-grade serous histology, advanced stage (III/IV), and having a spouse/partner were associated with increased GT uptake (p < 0.01). Among SDOH variables, there were no differences by insurance, Yost score, language, comorbidities, employment, or race/ethnicity. In multivariable models, likelihood of GT increased with mainstreaming, even after adjustment for histology, stage, and marital status (OR 3.77; 95% CI: 2.56-5.66). CONCLUSIONS Mainstreaming increased the likelihood of GT in patients with EOC. We found lower testing rates in patients without partners/spouses, non-high-grade serous histology, and early-stage disease, representing potential areas for future interventions.
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Affiliation(s)
- Maureen Byrne
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Tiffany Y Sia
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Christopher Fong
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Aliya Khurram
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Michele Waters
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Yelena M Kemel
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Qin Zhou
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Megha Ranganathan
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Kara Long Roche
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, United States of America
| | - Dennis S Chi
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, United States of America
| | - Sally Saban
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Michelle Wu
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Nancy Varice
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Jada G Hamilton
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Psychiatry, Weill Cornell Medical College, New York, NY, United States of America; Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Jian Carrot-Zhang
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Nadeem R Abu-Rustum
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, United States of America
| | - Alexia Iasonos
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Lora H Ellenson
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Diana Mandelker
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Britta Weigelt
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America
| | - Carol L Brown
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, United States of America
| | - Carol Aghajanian
- Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Medicine, Weill Cornell Medical College, New York, NY, United States of America
| | - Zsofia Stadler
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Medicine, Weill Cornell Medical College, New York, NY, United States of America
| | - Ying L Liu
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States of America; Department of Medicine, Weill Cornell Medical College, New York, NY, United States of America.
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4
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Gressel GM, Frey MK, Norquist B, Senter L, Blank SV, Urban RR. Germline and somatic testing for ovarian Cancer: An SGO clinical practice statement. Gynecol Oncol 2024; 181:170-178. [PMID: 38215513 DOI: 10.1016/j.ygyno.2023.12.010] [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: 09/29/2023] [Revised: 12/09/2023] [Accepted: 12/13/2023] [Indexed: 01/14/2024]
Abstract
Germline and somatic genetic testing have become critical components of care for people with ovarian cancer. The identification of germline and somatic pathogenic variants as well as homologous recombination deficiency can contribute to the prediction of treatment response, prognostic outcome, and suitability for targeted agents (e.g. poly (ADP-ribose) polymerase (PARP) inhibitors). Furthermore, identifying germline pathogenic variants can prompt cascade genetic testing for at-risk relatives. Despite the clinical benefits and consensus recommendations from several organizations calling for universal genetic testing in ovarian cancer, only about one third of patients complete germline or somatic genetic testing. The members of the Society of Gynecologic Oncology (SGO) Clinical Practice Committee have composed this statement to provide an overview of germline and somatic genetic testing for patients with epithelial ovarian cancer, focusing on available testing modalities and options for care delivery.
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Affiliation(s)
- G M Gressel
- Corewell Health Cancer Center, Division of Gynecologic Oncology, Michigan State University- College of Human Medicine, United States.
| | - M K Frey
- Weill Cornell Medicine, Division of Gynecologic Oncology, United States
| | - B Norquist
- University of Washington School of Medicine, Division of Gynecologic Oncology, United States
| | - L Senter
- The Ohio State University, Comprehensive Cancer Center,United States
| | - S V Blank
- Icahn School of Medicine at Mount Sinai, United States
| | - R R Urban
- University of Washington School of Medicine, Division of Gynecologic Oncology, United States
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5
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Kim HY, Park J, Moon SJ, Jeong S, Hong JH, Lee JK, Cho GJ, Cho HW. Short-term Impact of Hormone Replacement Therapy on Risk of Breast Cancer in BRCA Mutation Carriers: A Nationwide Study in South Korea. Cancer Res Treat 2024; 56:143-148. [PMID: 37591780 PMCID: PMC10789953 DOI: 10.4143/crt.2023.653] [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: 05/11/2023] [Accepted: 07/30/2023] [Indexed: 08/19/2023] Open
Abstract
PURPOSE BRCA1/2 mutations are well-known risk factors for breast and ovarian cancers in women. Risk-reducing salpingo-oophorectomy (RRSO) is the standard treatment for preventing ovarian cancer with BRCA mutations. Postmenopausal syndrome (symptoms after RRSO can be alleviated by hormone replacement therapy (HRT); however, the use of HRT in carriers of BRCA mutations has been controversial because of the concern that HRT increases the risk of breast cancer. This study aimed to evaluate the effects of HRT in BRCA mutation carriers who underwent RRSO. MATERIALS AND METHODS A total of 151 carriers, who underwent RRSO between 2013 and 2020 after the diagnosis of BRCA1 or BRCA2 mutations were selected and followed up for a median of 3.03 years. Patients were divided into two groups: those who received HRT after RRSO (n=33) and those who did not (n=118). We compared the incidence of breast cancer over time between these two groups. RESULTS There was no significant difference in the incidence of breast cancer between women who received HRT and those who did not (p=0.229). Multivariate logistic regression analysis, adjusted for age and parity revealed no significant difference in the risk of breast cancer between these two groups (hazard ratio, 0.312; 95% confidence interval, 0.039 to 2.480; p=0.278). CONCLUSION In this study, we found no relationship between post-RRSO HRT and breast cancer in the population with BRCA mutations. Therefore, healthcare providers may consider the alleviation of symptoms of postmenopausal syndrome through HRT in patients who underwent RRSO.
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Affiliation(s)
- Hye Yeon Kim
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jisoo Park
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Seok Joo Moon
- Smart Healthcare Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Sohyeon Jeong
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jin Hwa Hong
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jae Kwan Lee
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Geum Joon Cho
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
- Smart Healthcare Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Hyun-Woong Cho
- Department of Obstetrics and Gynecology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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6
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Kang OJ, Lee SW, Kim JH, Park JY, Suh DS, Kim DY, Kim JH, Kim YM, Kim YT. Pathological findings and long-term prognosis in Korean BRCA1/2 mutation carriers undergoing risk-reducing salpingo-oophorectomy. Int J Gynecol Cancer 2023; 33:1743-1749. [PMID: 37541685 DOI: 10.1136/ijgc-2023-004618] [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] [Indexed: 08/06/2023] Open
Abstract
OBJECTIVE Our study aimed to evaluate the incidence of pathological findings in asymptomatic Korean patients with BRCA1/2 pathogenic variants who underwent risk-reducing salpingo-oophorectomy and to assess their long-term prognosis. METHODS We retrospectively analyzed the medical records of patients with a germinal BRCA1/2 pathologic variant who had undergone risk-reducing salpingo-oophorectomy at Asan Medical Center (Seoul, Korea) between January 2013 and December 2020. All pathologic reports were made based on the sectioning and extensively examining the fimbriated end of the fallopian tube (SEE/FIM) protocol. RESULTS Out of 243 patients who underwent risk-reducing salpingo-oophorectomy, 121 (49.8%) had a BRCA1 mutation, 119 (48.9%) had a BRCA2 mutation, and three (1.2%) had both mutations. During the procedure, four (3.3%) patients with a BRCA1 mutation were diagnosed with serous tubal intraepithelial carcinoma (STIC) or serous tubal intraepithelial lesion (STIL), and another four patients (3.3%) were diagnosed with occult cancer despite no evidence of malignancy on preoperative ultrasound. In the BRCA2 mutation group, we found one (0.8%) case of STIC, but no cases of STIL or occult cancer. During the median follow-up period of 98 months (range, 44-104) for STIC and 54 months (range, 52-56) for STIL, none of the patients diagnosed with these precursor lesions developed primary peritoneal carcinomatosis. CONCLUSIONS Risk-reducing salpingo-oophorectomy, in asymptomatic Korean patients with BRCA1/2 pathogenic variants, detected ovarian cancer and precursor lesions, including STIC or STIL. Furthermore, our follow-up period did not reveal any instances of primary peritoneal carcinomatosis, suggesting a limited body of evidence supporting the imperative need for adjuvant treatment in patients diagnosed with these precursor lesions during risk-reducing salpingo-oophorectomy.
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Affiliation(s)
- Ok-Ju Kang
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Shin-Wha Lee
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Ju-Hyun Kim
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jeong-Yeol Park
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Dae-Shik Suh
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Dae-Yeon Kim
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jong-Hyeok Kim
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Yong-Man Kim
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Young-Tak Kim
- Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, South Korea
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7
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Sia TY, Maio A, Kemel YM, Arora KS, Gordhandas SB, Kahn RM, Salo-Mullen EE, Sheehan MA, Tejada PR, Bandlamudi C, Zhou Q, Iasonos A, Grisham RN, O'Cearbhaill RE, Tew WP, Roche KL, Zivanovic O, Sonoda Y, Gardner GJ, Chi DS, Latham AJ, Carlo MI, Murciano-Goroff YR, Will M, Walsh MF, Robson ME, Mandelker DL, Berger MF, Abu-Rustum NR, Brown CL, Offit K, Hamilton JG, Aghajanian C, Weigelt B, Stadler ZK, Liu YL. Germline Pathogenic Variants and Genetic Counseling by Ancestry in Patients With Epithelial Ovarian Cancer. JCO Precis Oncol 2023; 7:e2300137. [PMID: 37738546 PMCID: PMC10861001 DOI: 10.1200/po.23.00137] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/11/2023] [Accepted: 07/17/2023] [Indexed: 09/24/2023] Open
Abstract
PURPOSE To evaluate rates of germline pathogenic/likely pathogenic variants (PVs) and genetic counseling by ancestry in patients with epithelial ovarian cancer (EOC). METHODS Patients with pathologically confirmed EOC who underwent clinical tumor-normal sequencing from January 1, 2015, to December 31, 2020, inclusive of germline analysis of ≥76 genes were included. Patients with newly identified PVs were referred for Clinical Genetics Service (CGS) counseling. Ancestry groups were defined using self-reported race/ethnicity and Ashkenazi Jewish (AJ) heritage. Genetic ancestry was inferred computationally using validated algorithms. Logistic regression models were built. RESULTS Of 1,266 patients, self-reported ancestry (AJ, 17%; Asian, 10%; Black/African American, 5.4%; Hispanic, 6.2%; non-Hispanic White, 57%; other, 0.16%; unknown, 4.0%) correlated with genetic ancestry (AJ ancestry, 18%; admixed, 10%; African, 4%; East Asian [EAS], 6%; European, 56%; Native American, 0.2%; South Asian [SAS], 4%; unknown, 2%). Germline PVs were observed in 313 (25%) patients, including 195 (15%) with PVs in EOC-associated genes. Those with PVs were younger at diagnosis (59 v 62 years; P < .001) and more likely to have high-grade serous ovarian cancer (83% v 72%; P = .009). PV prevalence varied between ancestry groups (P < .001), with highest rates in the AJ (39.9%) and Asian (26.5%) groups and similar rates (>10%) across other ancestry groups. Use of genetic ancestry demonstrated similar findings and further characterized high rates of PV in EAS/SAS groups. Younger age, high-grade serous histology, and self-reported AJ or Asian ancestry were associated with PV in an EOC-associated gene. Rates of CGS counseling for newly identified PVs were high (80%) across ancestry groups. CONCLUSION Rates of PV, particularly in EOC-associated genes, were high regardless of ancestry, with similar rates of counseling between groups, emphasizing the importance of universal genetic testing in all patients with EOC.
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Affiliation(s)
- Tiffany Y. Sia
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Anna Maio
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Yelena M. Kemel
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Kanika S. Arora
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Sushmita B. Gordhandas
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Ryan M. Kahn
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Erin E. Salo-Mullen
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Margaret A. Sheehan
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Prince Rainier Tejada
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Chaitanya Bandlamudi
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Qin Zhou
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Alexia Iasonos
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Rachel N. Grisham
- Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Roisin E. O'Cearbhaill
- Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - William P. Tew
- Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Kara Long Roche
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Oliver Zivanovic
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Yukio Sonoda
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Ginger J. Gardner
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Dennis S. Chi
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Alicia J. Latham
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Maria I. Carlo
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Yonina R. Murciano-Goroff
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Marie Will
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Michael F. Walsh
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Mark E. Robson
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Diana L. Mandelker
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Michael F. Berger
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Nadeem R. Abu-Rustum
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Carol L. Brown
- Gynecology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY
| | - Kenneth Offit
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Jada G. Hamilton
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Psychiatry, Weill Cornell Medical College, New York, NY
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Carol Aghajanian
- Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Britta Weigelt
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Zsofia K. Stadler
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
| | - Ying L. Liu
- Clinical Genetics Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Gynecologic Medical Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
- Department of Medicine, Weill Cornell Medical College, New York, NY
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8
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Green S, Prainsack B, Sabatello M. Precision medicine and the problem of structural injustice. MEDICINE, HEALTH CARE, AND PHILOSOPHY 2023; 26:433-450. [PMID: 37231234 PMCID: PMC10212228 DOI: 10.1007/s11019-023-10158-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/24/2023] [Indexed: 05/27/2023]
Abstract
Many countries currently invest in technologies and data infrastructures to foster precision medicine (PM), which is hoped to better tailor disease treatment and prevention to individual patients. But who can expect to benefit from PM? The answer depends not only on scientific developments but also on the willingness to address the problem of structural injustice. One important step is to confront the problem of underrepresentation of certain populations in PM cohorts via improved research inclusivity. Yet, we argue that the perspective needs to be broadened because the (in)equitable effects of PM are also strongly contingent on wider structural factors and prioritization of healthcare strategies and resources. When (and before) implementing PM, it is crucial to attend to how the organisation of healthcare systems influences who will benefit, as well as whether PM may present challenges for a solidaristic sharing of costs and risks. We discuss these issues through a comparative lens of healthcare models and PM-initiatives in the United States, Austria, and Denmark. The analysis draws attention to how PM hinges on-and simultaneously affects-access to healthcare services, public trust in data handling, and prioritization of healthcare resources. Finally, we provide suggestions for how to mitigate foreseeable negative effects.
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Affiliation(s)
- Sara Green
- Section for History and Philosophy of Science, Department of Science Education, University of Copenhagen, Niels Bohr Building (NBB), Universitetsparken 5, 2100 Copenhagen Ø, Denmark
- Centre for Medical Science and Technology Studies, Department of Public Health, University of Copenhagen, Oester Farimagsgade 5, 1014 Copengagen, Denmark
| | - Barbara Prainsack
- Department of Political Science, University of Vienna, Universitätsstraße 7, 1010 Vienna, Austria
- School of Social and Political Sciences, Faculty of Arts and Social Sciences, University of Sydney, Camperdown, NSW 2006 Australia
| | - Maya Sabatello
- Center for Precision Medicine and Genomics, Department of Medicine, Columbia University, New York, USA
- Division of Ethics, Department of Medical Humanities and Ethics, Columbia University, New York, USA
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9
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Andreis TF, de Souza KIW, Vieira IA, Alemar B, Sinigaglia M, de Araújo Rocha YM, Artigalás O, Bittar C, Oliveira Netto CB, Ashton-Prolla P, Rosset C. Challenges in periodic revision of genetic testing results: Comparison of the main classification guidelines and report of a retrospective analysis involving BRCA1/BRCA2 variants of uncertain significance. Gene 2023; 862:147281. [PMID: 36775216 DOI: 10.1016/j.gene.2023.147281] [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: 11/16/2022] [Revised: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023]
Abstract
In the context of cancer predisposition syndromes, it is widely known that the correct interpretation of germline variants identified in multigene panel testing is essential for adequate genetic counseling and clinical decision making, in which variants of uncertain significance (VUS) are not considered actionable findings. Thus, their periodic re-evaluation using appropriate guidelines is notably important. In the present study, we compared the performance of the main variant classification guidelines (ACMG, Sherloc and ENIGMA) in variant reassessment, using as input a BRCA1/2 VUS case series (retrospective analysis) from Brazil, an ethnically diverse and admixed country with substantial challenges in VUS reclassification. As main findings, two of the 15 VUS analyzed were reclassified as likely pathogenic by the 3 guidelines, BRCA1 c.4987-3C > G (rs397509213) and BRCA2 c.7868A > G (rs80359012). Moreover, challenges in variant classification and reassessment are described and additional in silico data about structural impact of the variant BRCA2 c.7868A > G are provided. We hypothesize that the establishment of a framework to reassess VUS could improve this process in health centers that have not yet implemented this practice. Results of this study underscore that periodic monitoring of the functional, clinical, and bioinformatics data of a VUS by a multidisciplinary team are of utmost importance in clinical practice. When there is a specific guideline for a given gene, such as ENIGMA for BRCA1/2, it should be considered the first option for variant assessment. Finally, recruitment of VUS carriers and their relatives to participate in variant segregation studies and publication of VUS reclassification results in the international scientific literature should be encouraged.
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Affiliation(s)
- Tiago Finger Andreis
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Genética e Biologia Molecular (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Kayana Isabel Weber de Souza
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Ciências Médicas: Medicina (PPGCM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Igor Araujo Vieira
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil; Escola de Saúde, Universidade do Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Rio Grande do Sul, Brazil
| | - Bárbara Alemar
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil
| | | | - Yasminne Marinho de Araújo Rocha
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Osvaldo Artigalás
- Hospital Moinhos de Vento (HMV), Porto Alegre, Rio Grande do Sul, Brazil
| | - Camila Bittar
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil; Hospital Moinhos de Vento (HMV), Porto Alegre, Rio Grande do Sul, Brazil
| | | | - Patricia Ashton-Prolla
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Genética e Biologia Molecular (PPGBM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Ciências Médicas: Medicina (PPGCM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Clévia Rosset
- Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Ciências Médicas: Medicina (PPGCM), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil; Unidade de Pesquisa Laboratorial (UPL) - Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Rio Grande do Sul, Brazil.
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10
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Imyanitov EN, Kuligina ES, Sokolenko AP, Suspitsin EN, Yanus GA, Iyevleva AG, Ivantsov AO, Aleksakhina SN. Hereditary cancer syndromes. World J Clin Oncol 2023; 14:40-68. [PMID: 36908677 PMCID: PMC9993141 DOI: 10.5306/wjco.v14.i2.40] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/09/2022] [Accepted: 02/15/2023] [Indexed: 02/21/2023] Open
Abstract
Hereditary cancer syndromes (HCSs) are arguably the most frequent category of Mendelian genetic diseases, as at least 2% of presumably healthy subjects carry highly-penetrant tumor-predisposing pathogenic variants (PVs). Hereditary breast-ovarian cancer and Lynch syndrome make the highest contribution to cancer morbidity; in addition, there are several dozen less frequent types of familial tumors. The development of the majority albeit not all hereditary malignancies involves two-hit mechanism, i.e. the somatic inactivation of the remaining copy of the affected gene. Earlier studies on cancer families suggested nearly fatal penetrance for the majority of HCS genes; however, population-based investigations and especially large-scale next-generation sequencing data sets demonstrate that the presence of some highly-penetrant PVs is often compatible with healthy status. Hereditary cancer research initially focused mainly on cancer detection and prevention. Recent studies identified multiple HCS-specific drug vulnerabilities, which translated into the development of highly efficient therapeutic options.
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Affiliation(s)
- Evgeny N Imyanitov
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Ekaterina S Kuligina
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Anna P Sokolenko
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Evgeny N Suspitsin
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Grigoriy A Yanus
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Aglaya G Iyevleva
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Alexandr O Ivantsov
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
| | - Svetlana N Aleksakhina
- Department of Tumor Growth Biology, N.N. Petrov Institute of Oncology, St.-Petersburg 197758, Russia
- Department of Clinical Genetics, St.-Petersburg Pediatric Medical University, St.-Petersburg 194100, Russia
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11
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Padmanabhan H, Mariapun S, Lee SY, Hassan NT, Lee DSC, Meiser B, Wong SW, Lee YQ, Yip CH, Teo SH, Thong MK, Taib NAM, Yoon SY. Impact of BRCA1/2 cascade testing on anxiety, depression, and cancer worry levels among unaffected relatives in a multiethnic Asian cohort. J Genet Couns 2023; 32:43-56. [PMID: 35913122 DOI: 10.1002/jgc4.1619] [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: 09/13/2021] [Revised: 06/10/2022] [Accepted: 06/24/2022] [Indexed: 11/10/2022]
Abstract
Cascade testing for families with BRCA pathogenic variants is important to identify relatives who are carriers. These relatives can benefit from appropriate risk management and preventative strategies arising from an inherited increased risk of breast, ovarian, prostate, melanoma, and pancreatic cancers. Cascade testing has the potential to enable cost-effective cancer control even in low- and middle-income settings, but few studies have hitherto evaluated the psychosocial impact of cascade testing in an Asian population, where the cultural and religious beliefs around inheritance and destiny have previously been shown to influence perception and attitudes toward screening. In this study, we evaluated the short- and long-term psychosocial impact of genetic testing among unaffected relatives of probands identified through the Malaysian Breast Cancer Genetics Study and the Malaysian Ovarian Cancer Study, using validated questionnaires (Hospital Anxiety and Depression Scale and Cancer Worry Scale) administered at baseline, and 1-month and 2-year post-disclosure of results. Of the 305 unaffected relatives from 98 independent families who were offered cascade testing, 256 (84%) completed predictive testing and family history of cancers was the only factor significantly associated with uptake of predictive testing. We found that the levels of anxiety, depression, and cancer worry among unaffected relatives decreased significantly after result disclosure and remained low 2-year post-result disclosure. Younger relatives and relatives of Malay descent had higher cancer worry at both baseline and after result disclosure compared to those of Chinese and Indian descent, whereas relatives of Indian descent and those with family history of cancers had higher anxiety and depression levels post-result disclosure. Taken together, the results from this Asian cohort highlight the differences in psychosocial needs in different communities and inform the development of culture-specific genetic counseling strategies.
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Affiliation(s)
| | | | | | | | | | - Bettina Meiser
- Psychosocial Research Group, Prince of Wales Clinical School, University of New South Wales, Sydney, Australia
| | | | | | | | | | - Meow-Keong Thong
- Department of Paediatrics, Genetic Medicine Unit, Faculty of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Nur Aishah Mohd Taib
- Department of Surgery, Faculty of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia
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12
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Abdallah N, Purrington KS, Tatineni S, Assad H, Petrucelli N, Simon MS. Racial and ethnic variation in BRCA1 and BRCA2 genetic test results among individuals referred for genetic counseling at a large urban comprehensive cancer center. Cancer Causes Control 2023; 34:141-149. [PMID: 36370215 DOI: 10.1007/s10552-022-01648-w] [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: 06/17/2022] [Accepted: 10/24/2022] [Indexed: 11/15/2022]
Abstract
PURPOSE The prevalence of pathogenic variants in BRCA1 and BRCA2 in populations other than Ashkenazi Jewish (AJ) is not well defined. We describe the racial and ethnic-specific prevalence of BRCA1/2 pathogenic variants and variants of uncertain significance (VUS) among individuals referred for genetic testing in a large urban comprehensive cancer center over a 20-year period. METHODS The population included 3,537 unrelated individuals who underwent genetic testing from January 1999 to October 2019 at the Karmanos Cancer Institute. We estimated the prevalence of pathogenic variants and VUS and evaluated associations with race and ethnicity for African American (AA), Arab, AJ and Hispanic individuals compared to Non-Hispanic Whites (NHW). We used multivariable models to adjust for other predictors of pathogenic variants. We also reported the most common pathogenic variants by racial and ethnic group. RESULTS The racial and ethnic breakdown of our population was: NHW (68.9%), AA (20.3%), AJ (2.5%), Arab (2.2%), Hispanic (1.0%), Asian Pacific Islander, Native American/Alaskan Native (4.7%), and < 1% unknown. The overall prevalence of pathogenic variants in BRCA1/2 was 8.9% and the prevalence of VUS was 5.6%. Compared to NHW, there were no racial or ethnic differences in the rate of pathogenic variants. However, AA individuals were more likely to have VUS in BRCA1 (adjusted OR 2.43, 95% CI 1.38-4.28) and AJ were more likely to have VUS in BRCA2 (adjusted OR 3.50, 95% CI 1.61-6.58). CONCLUSION These results suggest the continued need for genetic testing and variant reclassification for individuals of all racial and ethnic groups.
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Affiliation(s)
- Nadine Abdallah
- Department of Internal Medicine, Division of Oncology, Mayo Clinic, Rochester, MN, USA
| | - Kristen S Purrington
- Department of Oncology, Karmanos Cancer Institute at Wayne State University, Detroit, MI, USA.,Population Studies and Disparities Research Program, Barbara Ann Karmanos Cancer Institute, Detroit, MI, USA
| | - Sushma Tatineni
- Department of Oncology, Minnesota Oncology, Minneapolis, MN, USA
| | - Hadeel Assad
- Department of Oncology, Karmanos Cancer Institute at Wayne State University, Detroit, MI, USA.,Population Studies and Disparities Research Program, Barbara Ann Karmanos Cancer Institute, Detroit, MI, USA
| | - Nancie Petrucelli
- Department of Oncology, Karmanos Cancer Institute at Wayne State University, Detroit, MI, USA
| | - Michael S Simon
- Department of Oncology, Karmanos Cancer Institute at Wayne State University, Detroit, MI, USA. .,Population Studies and Disparities Research Program, Barbara Ann Karmanos Cancer Institute, Detroit, MI, USA.
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13
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Wu J, Jin S, Gu C, Wei Y, Zhu Y, Necchi A, Shariat SF, Pan J, Gan H, Dai B, Zhang H, Shi G, Zhu Y, Shen Y, Zhu Y, Ye D. Inherited mutations in Chinese patients with upper tract urothelial carcinoma. Cell Rep Med 2023; 4:100883. [PMID: 36630951 PMCID: PMC9873949 DOI: 10.1016/j.xcrm.2022.100883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 10/16/2022] [Accepted: 12/13/2022] [Indexed: 01/12/2023]
Abstract
Upper tract urothelial carcinoma (UTUC) accounts for 10% of urothelial carcinomas (UCs) and has a substantial hereditary component. However, the majority of our knowledge of germline spectrum comes from bladder cancer (BCa) data in White populations. Here, we sequence 309 Chinese UTUC cases and identify 71 germline pathogenic/likely pathogenic (P/LP) mutations in 62 patients (20.1%). Compared with White cases, we observe disparities and similarities in inherited mutational profiles. Association analysis reveals that germline P/LP mutations in MSH2, BRCA2, BRCA1, and BRIP1 significantly increase UTUC risk in Chinese populations. Furthermore, germline P/LP mutation in homologous recombination genes indicates poor prognosis for non-metastatic UTUC. Finally, we perform paired sequencing and observe significant correlations between germline mutation patterns and tumor subtypes. This study highlights the importance of genetic testing in patients with UTUC and calls for germline data from various ethnicities to better understand this disease.
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Affiliation(s)
- Junlong Wu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Shengming Jin
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Chengyuan Gu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yu Wei
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yao Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Andrea Necchi
- Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Department of Medical Oncology, 20132 Milan, Italy
| | - Shahrokh F. Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, 1090 Vienna, Austria,Institute for Urology and Reproductive Health, Sechenov University, 119991 Moscow, Russia,Department of Special Surgery, Division of Urology, Jordan University Hospital, the University of Jordan, Amman 11942, Jordan,Karl Landsteiner Society, Karl Landsteiner Institute of Urology and Andrology, Vienna, Austria,Department of Urology, Weill Cornell Medical College, New York, NY 10065, USA,Department of Urology, University of Texas Southwestern, Dallas, TX 75390, USA,Department of Urology, Second Faculty of Medicine, Charles University, 150 06 Prague, Czech Republic,European Association of Urology Research Foundation, Arnhem, the Netherlands
| | - Jian Pan
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Hualei Gan
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China,Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
| | - Bo Dai
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Hailiang Zhang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Guohai Shi
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yu Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yijun Shen
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yiping Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Dingwei Ye
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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14
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Wilkerson AD, Obi M, Ortega C, Sebikali-Potts A, Wei W, Pederson HJ, Al-Hilli Z. Young Black Women May be More Likely to Have First Mammogram Cancers: A New Perspective in Breast Cancer Disparities. Ann Surg Oncol 2023; 30:2856-2869. [PMID: 36602665 DOI: 10.1245/s10434-022-12995-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 12/10/2022] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Black women are diagnosed with breast cancer at earlier ages and are 42% more likely to die from the disease than White women. Recommendations for commencement of screening mammography remain discordant. This study sought to determine the frequency of first mammogram cancers among Black women versus other self-reported racial groups. METHODS In this retrospective cohort study, clinical and mammographic data were obtained from 738 women aged 40-45 years who underwent treatment for breast cancer between 2010 and 2019 within a single hospital system. First mammogram cancers were defined as those with tissue diagnoses within 3 months of baseline mammogram. Multivariate logistic regression was applied to assess variables associated with first mammogram cancer detection. RESULTS Black women were significantly more likely to have first mammogram cancer diagnoses (39/82, 47.6%) compared with White women (162/610, 26.6%) and other groups (16/46, 34.8%) [p < 0.001]. Black women were also more likely to have a body mass index > 30 (p < 0.001), higher clinical T categories (p = 0.02), and present with more advanced clinical stages (p = 0.03). Every month delay in mammographic screening beyond age 40 years (odds ratio [OR] 1.06, 95% confidence interval [CI] 1.05-1.07; p < 0.0001), Black race (OR 2.24, 95% CI 1.10-4.53; p = 0.03), and lack of private insurance (OR 2.41, 95% CI 1.22-4.73; p = 0.01) were associated with an increased likelihood of cancer detection on first mammogram. CONCLUSION Our findings suggests that Black women aged 40-45 years may be more likely to have cancer detected on their first mammogram and would benefit from starting screening mammography no later than age 40 years, and for those with elevated lifetime risk, even sooner.
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Affiliation(s)
- Avia D Wilkerson
- Department of General Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Megan Obi
- Department of General Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Camila Ortega
- Department of General Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | | | - Wei Wei
- Department of Quantitative Health Sciences, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Holly J Pederson
- Department of Breast Services, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Zahraa Al-Hilli
- Department of General Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA. .,Department of Breast Services, Cleveland Clinic Foundation, Cleveland, OH, USA.
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15
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Mehmood S, Aslam S, Dilshad E, Ismail H, Khan AN. Transforming Diagnosis and Therapeutics Using Cancer Genomics. Cancer Treat Res 2023; 185:15-47. [PMID: 37306902 DOI: 10.1007/978-3-031-27156-4_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In past quarter of the century, much has been understood about the genetic variation and abnormal genes that activate cancer in humans. All the cancers somehow possess alterations in the DNA sequence of cancer cell's genome. In present, we are heading toward the era where it is possible to obtain complete genome of the cancer cells for their better diagnosis, categorization and to explore treatment options.
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Affiliation(s)
- Sabba Mehmood
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan.
| | - Shaista Aslam
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Pakistan
| | - Erum Dilshad
- Department of Bioinformatics and Biosciences, Faculty of Health and Life Sciences, Capital University of Science and Technology (CUST) Islamabad, Islamabad, Pakistan
| | - Hammad Ismail
- Departments of Biochemistry and Biotechnology, University of Gujrat (UOG) Gujrat, Gujrat, Pakistan
| | - Amna Naheed Khan
- Department of Bioinformatics and Biosciences, Faculty of Health and Life Sciences, Capital University of Science and Technology (CUST) Islamabad, Islamabad, Pakistan
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16
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Bang YJ, Kwon WK, Kim JW, Lee JE, Jung BY, Kim M, Kim J, An J, Jung SP, Kim HK, Kim Z, Youn HJ, Ryu JM, Kim SW. Comprehensive clinical characterization of patients with BRCA1: c.5017_5019del germline variant. Ann Surg Treat Res 2022; 103:323-330. [PMID: 36601340 PMCID: PMC9763777 DOI: 10.4174/astr.2022.103.6.323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/18/2022] [Accepted: 10/11/2022] [Indexed: 12/15/2022] Open
Abstract
Purpose We provide evidence for the reclassification of the BRCA1:c.5017_5019del variant by presenting the clinicopathological characteristics, clinical outcomes, and family history of breast or ovarian cancer in 17 patients with this variant. Methods This study included breast or ovarian cancer patients tested for BRCA1/2 genes between January 2008 and June 2020 at 10 medical centers in Korea. We retrospectively reviewed 17 probands from 15 families who had the BRCA1:c.5017_5019del variant according to the electronic medical records. Results We present 10 breast cancer patients and 7 ovarian cancer patients from 15 families identified as having BRCA1:c.5017_5019del and a total of 19 cases of breast cancer and 14 cases of ovarian cancer in these families. The ratio of breast-to-ovarian cancer was 1.3:1. Breast cancer patients with this variant showed a rich family history of breast or ovarian cancer, 8 patients (80.0%). The mean age at diagnosis was 45.4 years and 6 patients (60.0%) were categorized into hormone-receptor-negative breast cancer. Also, the ovarian cancer patients with this variant showed strong family histories of breast and/or ovarian cancer in 4 patients (57.1%). Conclusion We presented clinical evidence for the reclassification of BRCA1:c.5017_5019del as a likely pathogenic variant (LPV). Reclassification as LPV could result in the prophylactic treatment and medical surveillance of probands, family testing recommendations, and appropriate genetic counseling of their families.
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Affiliation(s)
- Yoon Ju Bang
- Department of Surgery, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
| | - Won Kyung Kwon
- Department of Laboratory and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jong-Won Kim
- Department of Laboratory and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jeong Eon Lee
- Division of Breast Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Boo Yeon Jung
- Breast Cancer Center, Samsung Medical Center, Seoul, Korea
| | - Mina Kim
- Breast Cancer Center, Samsung Medical Center, Seoul, Korea
| | - Jisun Kim
- Division of Breast Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jeongshin An
- Institute of Convergence Medicine Research, Ewha Womans University Mokdong Hospital, Ewha Womans University School of Medicine, Seoul, Korea
| | - Seung Pil Jung
- Division of Breast and Endocrine Surgery, Department of Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Hong-Kyu Kim
- Department of Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Zisun Kim
- Department of Surgery, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Hyun Jo Youn
- Department of Surgery, Jeonbuk National University Hospital, Jeonbuk National University Medical School, Jeonju, Korea
| | - Jai Min Ryu
- Division of Breast Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sung-Won Kim
- Department of Surgery, Breast Care Center, Daerim St. Mary’s Hospital, Seoul, Korea
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Yuan W, Ni J, Wen H, Shi W, Chen X, Huang H, Zhang X, Lu X, Zhu C, Dong H, Yang S, Wu X, Chen X. Genomic Scar Score: A robust model predicting homologous recombination deficiency based on genomic instability. BJOG 2022; 129 Suppl 2:14-22. [PMID: 36485068 DOI: 10.1111/1471-0528.17324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To develop a novel machine learning-based algorithm called the Genomic Scar Score (GSS) for predicting homologous recombination deficiency (HRD) events. DESIGN Method development study. SETTING AmoyDx Medical Laboratory and Jiangsu Cancer Hospital. POPULATION OR SAMPLE A cohort of individuals with ovarian or breast cancer (n = 377) were collected from the AmoyDx Medical Laboratory. Another cohort of patients with ovarian cancer treated with PARP inhibitors (n = 58) was enrolled in the Jiangsu Cancer Hospital. METHODS We used linear support vector machines to build a Genomic Scar (GS) model to predict HRD events, and Kaplan-Meier analyses were performed by comparing the progression-free survival (PFS) of patients in different groups using a two-sided log-rank test. MAIN OUTCOME MEASURES The performance of the GS model and the result of clinical validation. RESULTS The GS model displayed more than 97.0% sensitivity to detect BRCA-deficient events, and the GS model identified patients that could benefit from poly(ADP-ribose) polymerase inhibitors (PARPi), as the GS score (GSS)-positive group had a longer progression-free survival (PFS) (9.4 versus 4.4 months; hazard ratio [HR] = 0.54, P < 0.001) than the GSS-negative group after PARPi treatment. Meanwhile, the GSS showed high concordance among different NGS panels, which implied the robustness of the GS model. CONCLUSIONS The GS was a robust model to predict HRD and had broad clinical applications in predicting which patients will respond favourably to PARPi treatment.
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Affiliation(s)
| | - Jing Ni
- Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Hao Wen
- Department of Gynecological Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Weijie Shi
- Amoy Diagnostics Co., Ltd., Xiamen, China
| | | | | | | | - Xuan Lu
- Amoy Diagnostics Co., Ltd., Xiamen, China
| | | | - Hua Dong
- Amoy Diagnostics Co., Ltd., Xiamen, China
| | | | - Xiaohua Wu
- Department of Gynecological Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiaoxiang Chen
- Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
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18
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Liu YL, Maio A, Kemel Y, Salo-Mullen EE, Sheehan M, Tejada PR, Trottier M, Arnold AG, Fleischut MH, Latham A, Carlo MI, Murciano-Goroff YR, Walsh MF, Mandelker D, Mehta N, Bandlamudi C, Arora K, Zehir A, Berger MF, Solit DB, Aghajanian C, Diaz LA, Robson ME, Brown CL, Offit K, Hamilton JG, Stadler ZK. Disparities in cancer genetics care by race/ethnicity among pan-cancer patients with pathogenic germline variants. Cancer 2022; 128:3870-3879. [PMID: 36041233 PMCID: PMC10335605 DOI: 10.1002/cncr.34434] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/27/2022] [Accepted: 06/30/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND Germline risk assessment is increasing as part of cancer care; however, disparities in subsequent genetic counseling are unknown. METHODS Pan-cancer patients were prospectively consented to tumor-normal sequencing via custom next generation sequencing panel (Memorial Sloan Kettering-Integrated Mutation Profiling of Actionable Cancer Targets) inclusive of germline analysis of ≥76 genes from January 2015 through December 2019 (97.5% research nonbillable) with protocol for genetics referral. Rates of pathogenic/likely pathogenic germline variants (PVs) and downstream counseling were compared across ancestry groups (mutually exclusive groups based on self-reported race/ethnicity and Ashkenazi Jewish [AJ] heritage) using nonparametric tests and multivariable logistic regression models. RESULTS Among 15,775 patients (59.6%, non-Hispanic [NH]-White; 15.7%, AJ; 20.5%, non-White [6.9%, Asian; 6.8%, Black/African American (AA); 6.7%, Hispanic; 0.1%, Other], and 4.2%, unknown), 2663 (17%) had a PV. Non-White patients had a lower PV rate (n = 433, 13.4%) compared to NH-Whites (n = 1451, 15.4%) and AJ patients (n = 683, 27.6%), p < .01, with differences in mostly moderate and low/recessive/uncertain penetrance variants. Among 2239 patients with new PV, 1652 (73.8%) completed recommended genetic counseling. Non-White patients had lower rates of genetic counseling (67.7%) than NH-White (73.7%) and AJ patients (78.8%), p < .01, with lower rates occurring in Black/AA (63%) compared to NH-White patients, even after adjustment for confounders (odds ratio, 0.60; 95% confidence interval, 0.37-0.97; p = .036). Non-White, particularly Black/AA and Asian, probands had a trend toward lower rates and numbers of at-risk family members being seen for counseling/genetic testing. CONCLUSIONS Despite minimizing barriers to genetic testing, non-White patients were less likely to receive recommended cancer genetics follow-up, with potential implications for oncologic care, cancer risk reduction, and at-risk family members. LAY SUMMARY Genetic testing is becoming an important part of cancer care, and we wanted to see if genetics care was different between individuals of different backgrounds. We studied 15,775 diverse patients with cancer who had genetic testing using a test called MSK-IMPACT that was covered by research funding. Clinically important genetic findings were high in all groups. However, Black patients were less likely to get recommended counseling compared to White patients. Even after removing many roadblocks, non-White and especially Black patients were less likely to get recommended genetics care, which may affect their cancer treatments and families.
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Affiliation(s)
- Ying L Liu
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Anna Maio
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Yelena Kemel
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Erin E Salo-Mullen
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Margaret Sheehan
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Prince Ray Tejada
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Magan Trottier
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Angela G Arnold
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | | | - Alicia Latham
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Maria I Carlo
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Yonina R Murciano-Goroff
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Michael F Walsh
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Diana Mandelker
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Nikita Mehta
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Chaitanya Bandlamudi
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Kanika Arora
- Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Ahmet Zehir
- Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- AstraZeneca, New York, New York, USA
| | - Michael F Berger
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - David B Solit
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Carol Aghajanian
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Luis A Diaz
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Mark E Robson
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Carol L Brown
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, New York, USA
| | - Kenneth Offit
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Jada G Hamilton
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Psychiatry, Weill Cornell Medical College, New York, New York, USA
| | - Zsofia K Stadler
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
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McDonald JT, Ricks-Santi LJ. Hereditary variants of unknown significance in African American women with breast cancer. PLoS One 2022; 17:e0273835. [PMID: 36315513 PMCID: PMC9621418 DOI: 10.1371/journal.pone.0273835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 08/17/2022] [Indexed: 11/06/2022] Open
Abstract
Expanded implementation of genetic sequencing has precipitously increased the discovery of germline and somatic variants. The direct benefit of identifying variants in actionable genes may lead to risk reduction strategies such as increased surveillance, prophylactic surgery, as well as lifestyle modifications to reduce morbidity and mortality. However, patients with African ancestry are more likely to receive inconclusive genetic testing results due to an increased number of variants of unknown significance decreasing the utility and impact on disease management and prevention. This study examines whole exome sequencing results from germline DNA samples in African American women with a family history of cancer including 37 cases that were diagnosed with breast cancer and 51 family members. Self-identified ancestry was validated and compared to the 1000 genomes population. The analysis of sequencing results was limited to 85 genes from three clinically available common genetic screening platforms. This target region had a total of 993 variants of which 6 (<1%) were pathogenic or likely pathogenic, 736 (74.1%) were benign, and 170 (17.1%) were classified as a variant of unknown significance. There was an average of 3.4±1.8 variants with an unknown significance per individual and 85 of 88 individuals (96.6%) harbored at least one of these in the targeted genes. Pathogenic or likely pathogenic variants were only found in 6 individuals for the BRCA1 (p.R1726fs, rs80357867), BRCA2 (p.K589fs, rs397507606 & p.L2805fs, rs397507402), RAD50 (p.E995fs, rs587780154), ATM (p.V2424G, rs28904921), or MUTYH (p.G396D, rs36053993) genes. Strategies to functionally validate the remaining variants of unknown significance, especially in understudied and hereditary cancer populations, are greatly needed to increase the clinical utility and utilization of clinical genetic screening platforms to reduce cancer incidence and mortality.
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Affiliation(s)
- J. Tyson McDonald
- Department of Radiation Medicine, Georgetown University School of Medicine, Washington, DC, United States of America
| | - Luisel J. Ricks-Santi
- Cancer Research Center, Hampton University, Hampton, VA, United States of America
- Department of Pharmacotherapy and Translational Research, College of Medicine, University of Florida, Gainesville, FL, United States of America
- * E-mail:
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20
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Aitmagambetova MA, Smagulova GA, Tuhvatshin RR, Zheksenova AN, Amanzholkyzy A. Genetic and clinical characteristics of BRCA-associated hereditary breast cancer in the West region of Kazakhstan. Carcinogenesis 2022; 43:838-841. [PMID: 35917581 DOI: 10.1093/carcin/bgac068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 07/01/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Breast cancer is the most common cancer in women and is cause mortality in many countries. The purpose of this article is to determine the BRCA1 BRCA2 gene mutation polymorphisms, as well as to determine the clinical, histopathological and prognostic characteristics in patients with breast cancer in the western region of Kazakhstan. A study was conducted on the genotyping of 278 patients in the MC ZKMU Marat Ospanov with an established diagnosis of breast cancer, which revealed that out of 278 patients, of 3 cases were identified. In the age category up to 50 years, 70 cases were detected (25.1%) after 50 years 208 cases were identified (74%). Number of patients in stage I was 20 (7.1%) in stage second 204 (73%) and in stage third 54 (19%). By tumor size, 30(10%) cases were T1, 194 (69%) cases were T2, 35 (12.5%) cases were T3, and 19 cases were T4 (6.8%). According to metastasis of the lymph nodes, no lymph nodes were detected in 107 (38%) cases, 1-3 L/n (Lymph Nodes) in 95 (34%) cases, 4-9 L/n in 12 (4%) cases, 10 L/n in 4 (1.4%) cases and unknown cases was 60 (21%). In 99.6% of patients no distant metastases was detected. According to the molecular classification of the tumor, Luminal type A is most found in this study 147 (52.8%), then Luminal type B 57 (20.5%), HER-2 positive 26 (9.3%) and Triple negative 48 (17.2%). By ethnicity the Kazakh race is 182 (65%) the Caucasian race was 96 (34%). Large population screening studies involving all BRCA1/2 polymorphisms are required to confirm the penetrance, frequency and significance of a wide range of variations of BRCA1/2 genes in the Kazakh population.
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Affiliation(s)
- Marzhan A Aitmagambetova
- Department of Oncology and Visual Diagnostics, West Kazakhstan Marat Ospanov State Medical University, Aktobe, Republic of Kazakhstan
| | - Gaziza A Smagulova
- Department of Internal Medicine and Clinical Pharmacology, West Kazakhstan Marat Ospanov State Medical University, Aktobe, Republic of Kazakhstan
| | - Rustem R Tuhvatshin
- Department of Pathological Physiology, Kyrgyz State Medical Institute for Retraining and Further Training named after S.B. Daniyarov, Bishkek, Kyrgyz Republic
| | - Azhar N Zheksenova
- Department of Pathophysiology, West Kazakhstan Marat Ospanov State Medical University, Aktobe, Republic of Kazakhstan
| | - Ainur Amanzholkyzy
- Department of Normal Physiology, West Kazakhstan Marat Ospanov State Medical University, Aktobe, Republic of Kazakhstan
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21
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Ossa Gomez CA, Achatz MI, Hurtado M, Sanabria-Salas MC, Sullcahuaman Y, Chávarri-Guerra Y, Dutil J, Nielsen SM, Esplin ED, Michalski ST, Bristow SL, Hatchell KE, Nussbaum RL, Pineda-Alvarez DE, Ashton-Prolla P. Germline Pathogenic Variant Prevalence Among Latin American and US Hispanic Individuals Undergoing Testing for Hereditary Breast and Ovarian Cancer: A Cross-Sectional Study. JCO Glob Oncol 2022; 8:e2200104. [PMID: 35867948 PMCID: PMC9812461 DOI: 10.1200/go.22.00104] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
PURPOSE To report on pathogenic germline variants detected among individuals undergoing genetic testing for hereditary breast and/or ovarian cancer (HBOC) from Latin America and compare them with self-reported Hispanic individuals from the United States. METHODS In this cross-sectional study, unrelated individuals with a personal/family history suggestive of HBOC who received clinician-ordered germline multigene sequencing were grouped according to the location of the ordering physician: group A, Mexico, Central America, and the Caribbean; group B, South America; and group C, United States with individuals who self-reported Hispanic ethnicity. Relatives who underwent cascade testing were analyzed separately. RESULTS Among 24,075 unrelated probands across all regions, most were female (94.9%) and reported a personal history suggestive of HBOC (range, 65.0%-80.6%); the mean age at testing was 49.1 ± 13.1 years. The average number of genes analyzed per patient was highest in group A (A 63 ± 28, B 56 ± 29, and C 40 ± 28). Between 9.1% and 18.7% of patients had pathogenic germline variants in HBOC genes (highest yield in group A), with the majority associated with high HBOC risk. Compared with US Hispanics individuals the overall yield was significantly higher in both Latin American regions (A v C P = 1.64×10-9, B v C P < 2.2×10-16). Rates of variants of uncertain significance were similar across all three regions (33.7%-42.6%). Cascade testing uptake was low in all regions (A 6.6%, B 4.5%, and C 1.9%). CONCLUSION This study highlights the importance of multigene panel testing in Latin American individuals with newly diagnosed or history of HBOC, who can benefit from medical management changes including targeted therapies, eligibility to clinical trials, risk-reducing surgeries, surveillance and prevention of secondary malignancy, and genetic counseling and subsequent cascade testing of at-risk relatives.
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Affiliation(s)
| | - Maria Isabel Achatz
- Department of Oncology, Hospital Sírio-Libanês, Brasília, Distrito Federal, Brazil
| | - Mabel Hurtado
- Instituto Oncológico, Fundación Arturo López Pérez, Santiago, Chile
| | | | - Yasser Sullcahuaman
- Universidad Peruana de Ciencias Aplicadas, Lima, Peru,Instituto de Investigación Genomica, Lima, Peru
| | - Yanin Chávarri-Guerra
- Department of Hemato-Oncology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Julie Dutil
- Cancer Biology Division, Ponce Research Institute, Ponce Health Sciences University, Pone, Puerto Rico
| | | | | | | | | | | | | | - Daniel E. Pineda-Alvarez
- Invitae, San Francisco, CA,Daniel E. Pineda-Alvarez, MD, Medical Affairs, Invitae Corporation, 1400 16th Street, San Francisco, CA, 94103; e-mail:
| | - Patricia Ashton-Prolla
- Departamento de Genética, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil,Serviço de Genética Médica e Laboratório de Medicina Genômica, Centro de Pesquisa Experimental, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
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22
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Burke W, Parens E, Chung WK, Berger SM, Appelbaum PS. The Challenge of Genetic Variants of Uncertain Clinical Significance : A Narrative Review. Ann Intern Med 2022; 175:994-1000. [PMID: 35436152 PMCID: PMC10555957 DOI: 10.7326/m21-4109] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Genomic tests expand diagnostic and screening opportunities but also identify genetic variants of uncertain clinical significance (VUSs). Only a minority of VUSs are likely to prove pathogenic when later reassessed, but resolution of the uncertainty is rarely timely. That uncertainty adds complexity to clinical decision making and can result in harms and costs to patients and the health care system, including the time-consuming analysis required to interpret a VUS and the potential for unnecessary treatment and adverse psychological effects. Current efforts to improve variant interpretation will help reduce the scope of the problem, but the high prevalence of rare and novel variants in the human genome points to VUSs as an ongoing challenge. Additional strategies can help mitigate the potential harms of VUSs, including testing protocols that limit identification or reporting of VUSs, subclassification of VUSs according to the likelihood of pathogenicity, routine family-based evaluation of variants, and enhanced counseling efforts. All involve tradeoffs, and the appropriate balance of measures is likely to vary for different test uses and clinical settings. Cross-specialty deliberation and public input could contribute to systematic and broadly supported policies for managing VUSs.
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Affiliation(s)
- Wylie Burke
- Department of Bioethics and Humanities, University of Washington, Seattle, WA, USA
| | | | - Wendy K. Chung
- Departments of Pediatrics and Medicine, Columbia University Irving Medical Center, New York, NY, USA
| | - Sara M. Berger
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY, USA
| | - Paul S. Appelbaum
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA
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23
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Casaletto J, Parsons M, Markello C, Iwasaki Y, Momozawa Y, Spurdle AB, Cline M. Federated analysis of BRCA1 and BRCA2 variation in a Japanese cohort. CELL GENOMICS 2022; 2:100109. [PMID: 35373174 PMCID: PMC8975122 DOI: 10.1016/j.xgen.2022.100109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
More than 40% of the germline variants in ClinVar today are variants of uncertain significance (VUSs). These variants remain unclassified in part because the patient-level data needed for their interpretation is siloed. Federated analysis can overcome this problem by "bringing the code to the data": analyzing the sensitive patient-level data computationally within its secure home institution and providing researchers with valuable insights from data that would not otherwise be accessible. We tested this principle with a federated analysis of breast cancer clinical data at RIKEN, derived from the BioBank Japan repository. We were able to analyze these data within RIKEN's secure computational framework without the need to transfer the data, gathering evidence for the interpretation of several variants. This exercise represents an approach to help realize the core charter of the Global Alliance for Genomics and Health (GA4GH): to responsibly share genomic data for the benefit of human health.
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Affiliation(s)
- James Casaletto
- UC Santa Cruz Genomics Institute, Mail Stop: Genomics, University of California, 1156 High Street, Santa Cruz, CA 95064, USA
- Corresponding author
| | - Michael Parsons
- QIMR Berghofer Medical Research Institute, 300 Herston Rd., Herston, QLD 4006, Australia
| | - Charles Markello
- UC Santa Cruz Genomics Institute, Mail Stop: Genomics, University of California, 1156 High Street, Santa Cruz, CA 95064, USA
| | - Yusuke Iwasaki
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama City, Kanagawa 230-0045, Japan
| | - Yukihide Momozawa
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama City, Kanagawa 230-0045, Japan
| | - Amanda B. Spurdle
- QIMR Berghofer Medical Research Institute, 300 Herston Rd., Herston, QLD 4006, Australia
| | - Melissa Cline
- UC Santa Cruz Genomics Institute, Mail Stop: Genomics, University of California, 1156 High Street, Santa Cruz, CA 95064, USA
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24
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Bellcross CA. Hereditary Breast and Ovarian Cancer. Obstet Gynecol Clin North Am 2022; 49:117-147. [DOI: 10.1016/j.ogc.2021.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Hibler EA, Fought AJ, Kershaw KN, Molsberry R, Nowakowski V, Lindner D. Novel Interactive Tool for Breast and Ovarian Cancer Risk Assessment (Bright Pink Assess Your Risk): Development and Usability Study. J Med Internet Res 2022; 24:e29124. [PMID: 35200148 PMCID: PMC8914739 DOI: 10.2196/29124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 07/23/2021] [Accepted: 12/02/2021] [Indexed: 12/04/2022] Open
Abstract
Background The lifetime risk of breast and ovarian cancer is significantly higher among women with genetic susceptibility or a strong family history. However, current risk assessment tools and clinical practices may identify only 10% of asymptomatic carriers of susceptibility genes. Bright Pink developed the Assess Your Risk (AYR) tool to estimate breast and ovarian cancer risk through a user-friendly, informative web-based quiz for risk assessment at the population level. Objective This study aims to present the AYR tool, describe AYR users, and present evidence that AYR works as expected by comparing classification using the AYR tool with gold standard genetic testing guidelines. Methods The AYR is a recently developed population-level risk assessment tool that includes 26 questions based on the National Comprehensive Cancer Network (NCCN) guidelines and factors from other commonly used risk assessment tools. We included all women who completed the AYR between November 2018 and January 2019, with the exception of self-reported cancer or no knowledge of family history. We compared AYR classifications with those that were independently created using NCCN criteria using measures of validity and the McNemar test. Results There were 143,657 AYR completions, and most participants were either at increased or average risk for breast cancer or ovarian cancer (137,315/143,657, 95.59%). Using our estimates of increased and average risk as the gold standard, based on the NCCN guidelines, we estimated the sensitivity and specificity for the AYR algorithm–generated risk categories as 100% and 89.9%, respectively (P<.001). The specificity improved when we considered the additional questions asked by the AYR to define increased risk, which were not examined by the NCCN criteria. By race, ethnicity, and age group; we found that the lowest observed specificity was for the Asian race (85.9%) and the 30 to 39 years age group (87.6%) for the AYR-generated categories compared with the NCCN criteria. Conclusions These results demonstrate that Bright Pink’s AYR is an accurate tool for use by the general population to identify women at increased risk of breast and ovarian cancer. We plan to validate the tool longitudinally in future studies, including the impact of race, ethnicity, and age on breast and ovarian cancer risk assessment.
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Affiliation(s)
- Elizabeth A Hibler
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Angela J Fought
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Kiarri N Kershaw
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Rebecca Molsberry
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Virginia Nowakowski
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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Agha N, Alshamsan B, Al-Farsi S, Ateya HA, Almugbel FA, Alotaibi HA, Omar A, Mohamed AS, Alharthy H, Elhassan T, Salem H, Alhusaini H. Assessing frequency and clinical outcomes of BRCA mutated ovarian cancer in Saudi women. BMC Cancer 2022; 22:18. [PMID: 34980015 PMCID: PMC8722352 DOI: 10.1186/s12885-021-09123-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 12/18/2021] [Indexed: 12/02/2022] Open
Abstract
PURPOSE BRCA gene mutations (BRCAm) have an impact on patients' characteristics and clinical outcomes of ovarian cancer (OC). The frequency and patterns of BRCAm vary among countries and ethnicities. There are limited data from Saudi Arabia (SA); thus, this study aims to determine the frequency, pattern, and impact on patient characteristics and outcomes of BRCAm OC compared to wild-type BRCA (BRCAw) in Saudi women. METHODS This retrospective study evaluated women diagnosed with non-mucinous OC, fallopian tube, or peritoneal carcinoma who had BRCA status tested in an accredited lab between January 2016 and December 2017. The associations between various parameters and BRCAm were estimated using logistic regression. Statistical analysis performed with SPSS (Version 27). RESULT Sixty-one women with a median age of 52 at diagnosis were analyzed. Germline BRCA mutations were found in 41% of cases (25/61). The most common deleterious germline BRCA1 mutation was c.1140dupG (39%). Most women (72%) had no family history of cancers and 82% had advanced stage. Regardless of BRCA mutations, an optimal overall response rate (ORR) to first-line treatment has been achieved although most cases relapsed (84%) and the majority were platinum-sensitive relapse (85%). Higher ORR to subsequent lines and better survival were obtained in women with BRCA-mutation. CONCLUSION The prevalence of BRCAm of OC was higher in Saudi women compared to regional and most of the international figures. The better clinical outcomes of BRCAm women agreed with the reported evidence. Further studies on BRCA mutations of OC and genetic counseling are highly recommended. TRIAL REGISTRATION Trial approved by the Institutional Review Board of King Faisal Specialist Hospital and Research Center (RAC # 2171137) and conducted at King Faisal Specialist Hospital and Research Center, PO Box 3354, Riyadh 11,211, Saudi Arabia.
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Affiliation(s)
- Naela Agha
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.
- Northern Ireland Cancer Centre, Belfast City Hospital- Belfast- the UK, 66 Finaghy Road South, Belfast, BT10 0DE, UK.
| | - Bader Alshamsan
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Department of Medicine, Qassim Medical College, Qassim University, Qassim, Saudi Arabia
| | - Sharifa Al-Farsi
- Surgical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Heba Aly Ateya
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- National Cancer Institute, Cairo University, Cairo, Egypt
| | - Fahad A Almugbel
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Hazem Abdullah Alotaibi
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Oncology center, Prince Mohmmad Medical City, Riyadh, Saudi Arabia
| | - Ayman Omar
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Department of Clinical Oncology and Nuclear Medicine, Suez Canal University Hospitals, Ismailia, Egypt
| | - Amgad Shahin Mohamed
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- National Cancer Institute, Cairo University, Cairo, Egypt
| | - Hanan Alharthy
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Tusneem Elhassan
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Hany Salem
- Surgical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Hamed Alhusaini
- Medical Oncology, Oncology Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
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Hjerkind KV, Johansson ALV, Trewin CB, Russnes HG, Ursin G. Incidence of breast cancer subtypes in immigrant and non-immigrant women in Norway. Breast Cancer Res 2022; 24:4. [PMID: 35012613 PMCID: PMC8751256 DOI: 10.1186/s13058-021-01498-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/20/2021] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Breast cancer incidence differs between non-immigrants and immigrants from low- and middle-income countries. This study investigates whether immigrants also have different subtype-specific incidences. METHODS We used national health registries in Norway and calculated subtype-specific incidence rate ratios (IRRs) for invasive breast cancer among women aged 20-75 and 20-49 years between 2005 and 2015. Immigrant groups were classified by country of birth broadly defined based on WHO regional groupings. Subtype was defined using estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor 2 (HER2) status as luminal A-like (ER+ PR+ HER2-), luminal B-like/HER2- (ER+ PR- HER2-), luminal B-like/HER2+ (ER+ PR any HER2+), HER2+ (ER-PR-HER2+) and triple-negative breast cancer (TNBC) (ER-PR-HER2-). RESULTS Compared to non-immigrants, incidence of the luminal A-like subtype was lower in immigrants from Sub-Saharan Africa (IRR 0.43 95% CI 0.28-0.66), South East Asia (IRR 0.63 95% CI 0.51-0.79), South Asia (IRR 0.67 95% CI 0.52-0.86) and Eastern Europe (IRR 0.86 95% CI 0.76-0.99). Immigrants from South Asia had higher rates of HER2 + tumors (IRR 2.02 95% CI 1.26-3.23). The rates of TNBC tended to be similar regardless of region of birth, except that women from South East Asia had an IRR of 0.54 (95% CI 0.32-0.91). CONCLUSIONS Women from Eastern Europe, Sub-Saharan Africa and Asia had different subtype-specific incidences compared to women from high-income countries (including non-immigrants). These differences in tumor characteristics between immigrant groups should be taken into consideration when planning preventive or screening strategies.
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Affiliation(s)
- Kirsti V. Hjerkind
- grid.418941.10000 0001 0727 140XDepartment of Registration, Cancer Registry of Norway, Oslo, Norway
| | - Anna L. V. Johansson
- grid.4714.60000 0004 1937 0626Department of Medical Epidemiology and Biostatistics, Karolinska Institute, 171 77 Stockholm, Sweden ,grid.418941.10000 0001 0727 140XCancer Registry of Norway, Postbox 5313, 0304 Majorstuen, Oslo, Norway
| | - Cassia B. Trewin
- grid.418941.10000 0001 0727 140XDepartment of Registration, Cancer Registry of Norway, Oslo, Norway
| | - Hege G. Russnes
- grid.55325.340000 0004 0389 8485Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, 0424 Oslo, Norway ,grid.55325.340000 0004 0389 8485Department of Pathology, Oslo University Hospital, 0424 Oslo, Norway
| | - Giske Ursin
- grid.418941.10000 0001 0727 140XCancer Registry of Norway, Postbox 5313, 0304 Majorstuen, Oslo, Norway ,grid.42505.360000 0001 2156 6853Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA USA ,grid.5510.10000 0004 1936 8921Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
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Jia X, Zhao S, Li X, Lv L, Chen X, Pan E, Ou Q, Song C, Sun S, Zhao J, Xu L, Li M. Favorable Response to Olaparib in a Patient with Cancer of Unknown Primary Carrying a Germline BRCA1 R71K Mutation. Onco Targets Ther 2021; 14:5353-5360. [PMID: 34866915 PMCID: PMC8636970 DOI: 10.2147/ott.s334847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 11/16/2021] [Indexed: 11/23/2022] Open
Abstract
The treatment options for cancer of unknown primary (CUP) are challenging due to the lack of knowledge about the primary sites, often resulting in a poor prognosis. The emerging next-generation sequencing (NGS) technique has provided a reliable approach to facilitate tumor primary site prediction and targetable gene alteration identification for CUP patients. In this report, we described a 63-year-old female patient who experienced recurrent CUP. NGS-based genetic profiling results revealed a pathogenic germline BRCA1 R71K mutation. Accordingly, the patient received the poly(adenosine diphosphate [ADP]-ribose) polymerase (PARP) inhibitor olaparib treatment and demonstrated a favorable response to this treatment. Our case suggests that NGS holds great promise for providing improved diagnosis and treatment options to patients with CUP, warranting further clinical investigation.
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Affiliation(s)
- Xiaomeng Jia
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Shanshan Zhao
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Xiang Li
- Department of Radiology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Li Lv
- Department of Pathology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Xin Chen
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, 210032, People's Republic of China
| | - Evenki Pan
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, 210032, People's Republic of China
| | - Qiuxiang Ou
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, 210032, People's Republic of China
| | - Chen Song
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Siwen Sun
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Jinbo Zhao
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Lingzhi Xu
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
| | - Man Li
- Department of Oncology, The Second Hospital of Dalian Medical University, Dalian, 116023, People's Republic of China
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Smetherman D, Biggs K, Fayanju OM, Grosskreutz S, Khan Z, Malak S, Moseley T, Smith-Graziani D, Valero V, Lightfoote J. Racial and Ethnic Disparities in Breast Cancer: A Collaboration Between the American College of Radiology Commissions on Women and Diversity and Breast Imaging. JOURNAL OF BREAST IMAGING 2021; 3:712-720. [PMID: 38424936 DOI: 10.1093/jbi/wbab081] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Indexed: 03/02/2024]
Abstract
Since the 1980s, the mortality rate from breast cancer in the United States has dropped almost 40%. The quality of life and survival gains from early detection and improved treatment have not been shared equally by all ethnic groups, however. Many factors, including social determinants of health, unequal access to screening and oncologic care, and differences in incidence, tumor biology, and risk factors, have contributed to these unequal breast cancer outcomes. As breast radiologists approach their own patients, they must be aware that minority women are disproportionately affected by breast cancer at earlier ages and that non-Hispanic Black and Hispanic women are impacted by greater severity of disease than non-Hispanic White women. Guidelines that do not include women younger than 50 and/or have longer intervals between examinations could have a disproportionately negative impact on minority women. In addition, the COVID-19 pandemic could worsen existing disparities in breast cancer mortality. Increased awareness and targeted efforts to identify and mitigate all of the underlying causes of breast cancer disparities will be necessary to realize the maximum benefit of screening, diagnosis, and treatment and to optimize quality of life and mortality gains for all women. Breast radiologists, as leaders in breast cancer care, have the opportunity to address and reduce some of these disparities for their patients and communities.
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Affiliation(s)
- Dana Smetherman
- Ochsner Health, Department of Radiology, New Orleans, LA, USA
| | - Kelly Biggs
- James E. Van Zandt, VA Medical Center, Department of Radiology, Altoona, PA, USA
| | - Oluwadamilola M Fayanju
- Perelman School of Medicine, University of Pennsylvania, Department of Surgery, Philadelphia, PA, USA
| | | | - Zahra Khan
- Medina Global, Strategic Planning and Health Policy, Cambridge, MA, USA
| | - Sharp Malak
- St. Bernard's Healthcare, Department of Radiology, Jonesboro, AR, USA
| | - Tanya Moseley
- The University of Texas MD Anderson Cancer Center, Departments of Breast Surgical Oncology and Breast Imaging, Houston, TX, USA
| | | | - Vicente Valero
- The University of Texas MD Anderson Cancer Center, Breast Medical Oncology Department, Houston, TX, USA
| | - Johnson Lightfoote
- Pomona Valley Hospital Medical Center, Department of Radiology, Pomona, CA, USA
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30
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McNevin CS, Cadoo K, Baird AM, Murchan P, Sheils O, McDermott R, Finn S. Pathogenic BRCA Variants as Biomarkers for Risk in Prostate Cancer. Cancers (Basel) 2021; 13:cancers13225697. [PMID: 34830851 PMCID: PMC8616097 DOI: 10.3390/cancers13225697] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Historically, the treatment of prostate cancer was a blanket approach for all. Prostate cancer has not benefitted from targeted treatments based on specific tumour characteristics (ie. Particular genetic or molecular patterns) the way other cancers have. This is important as studies have shown that prostate cancer patients with certain errors in their genes, such as BRCA2 or BRCA1, are more likely to have worse disease and poorer outcome. These patients can be treated successfully with a group of drugs called ‘PARP inhibitors’. This paper examines the prognostic, clinical and therapeutic role of BRCA2/BRCA1 mutations across the evolution of PCa. The impact of the inclusion of BRCA genes on genetic screening will also be outlined. Abstract Studies have demonstrated that men with Prostate Cancer (PCa) harboring BRCA2/BRCA1 genetic aberrations, are more likely to have worse disease and a poorer prognosis. A mutation in BRCA2 is known to confer the highest risk of PCa for men (8.6 fold in men ≤65 years) making BRCA genes a conceivable genomic biomarker for risk in PCa. These genes have attracted a lot of research attention however their role in the clinical assessment and treatment of PCa remains complex. Multiple studies have been published examining the relationship between prostate cancer and BRCA mutations. Here BRCA mutations are explored specifically as a biomarker for risk in PCa. It is in this context, we examined the prognostic, clinical and therapeutic role of BRCA2/BRCA1 mutations across the evolution of PCa. The impact of the inclusion of BRCA genes on genetic screening will also be outlined.
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Affiliation(s)
- Ciara S. McNevin
- Department of Histopathology and Morbid Anatomy, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland; (C.S.M.); (P.M.)
- Department of Medical Oncology, St. James Hospital, D08 NHY1 Dublin, Ireland;
| | - Karen Cadoo
- Department of Medical Oncology, St. James Hospital, D08 NHY1 Dublin, Ireland;
- School of Medicine, Trinity Translational Medicine Institute, St. James Hospital, D08 W9RT Dublin, Ireland; (A.-M.B.); (O.S.)
| | - Anne-Marie Baird
- School of Medicine, Trinity Translational Medicine Institute, St. James Hospital, D08 W9RT Dublin, Ireland; (A.-M.B.); (O.S.)
| | - Pierre Murchan
- Department of Histopathology and Morbid Anatomy, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland; (C.S.M.); (P.M.)
- Science Foundation Ireland Centre for Research Training in Genomics Data Science, School of Mathematics, Statistics and Applied Mathematics, National University of Ireland, H91 TK33 Galway, Ireland
| | - Orla Sheils
- School of Medicine, Trinity Translational Medicine Institute, St. James Hospital, D08 W9RT Dublin, Ireland; (A.-M.B.); (O.S.)
| | - Ray McDermott
- Department of Medical Oncology, Tallaght University Hospital, D24 NR0A Dublin, Ireland;
- Department of Medical Oncology, St. Vincent’s University Hospital, D04 YN26 Dublin, Ireland
| | - Stephen Finn
- Department of Histopathology and Morbid Anatomy, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland; (C.S.M.); (P.M.)
- Department of Medical Oncology, St. James Hospital, D08 NHY1 Dublin, Ireland;
- Correspondence:
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31
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Germline variant of BRCA1 c.5332G>A has clinical features of hereditary breast and ovarian cancer syndrome. Int Cancer Conf J 2021; 11:12-16. [DOI: 10.1007/s13691-021-00512-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/13/2021] [Indexed: 11/27/2022] Open
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32
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Padamsee TJ, Meadows R, Hils M. Layers of information: interacting constraints on breast cancer risk-management by high-risk African American women. ETHNICITY & HEALTH 2021; 26:787-810. [PMID: 30589360 PMCID: PMC9529154 DOI: 10.1080/13557858.2018.1562053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 11/20/2018] [Indexed: 06/09/2023]
Abstract
Objectives: To understand how various decision-making dynamics interact to shape the risk-management choices of African American women at high-risk of breast cancer, and to explore whether African American and White women have differential access to the information and interactions that promote proactive, confident risk-management behavior.Design: This paper draws on 50 original in-depth, semi-structured interviews with African American and White women at elevated risk of breast cancer. We used inductive grounded-theory methodology to explore the processes by which women make risk-management decisions and to compare those processes between racial groups. Moving backward from women's decisions about whether or not to engage in specific risk-management behaviors, we explored the patterns that underlie behavioral decisions.Results: We find that decisions to engage in risk-management behavior rest on three accumulated layers of information. The layer most proximal to making risk-management decisions involves specific information about risk-management options; the middle layer involves general information about managing breast cancer risk; and the foundational layer involves personal perceptions of breast cancer risk and prevention. African American and White women experience distinct dynamics at each of these levels, and these differences may help explain racial differences in risk-management behavior. Compared to their White counterparts, African American women faced additional burdens at every step along the risk-management journey.Conclusion: These findings suggest that information gathering is more complex than has previously been addressed, that information access and provider access are closely related, and that African American women may be systematically disadvantaged with respect to information-generating experiences. Preventing cancer morbidity and mortality requires that all high-risk women have access to the layers of information necessary to engage in cancer screenings and preventive interventions. These results exemplify the ways that structural, social, and interpersonal inequalities combine to influence risk-management choices.
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Affiliation(s)
- Tasleem J. Padamsee
- Corresponding Author. 280F Cunz Hall, 1841 Neil Avenue, Columbus, OH 43210, United States; ; Phone: 1-614-688-0986; Fax: 1-614-247-1846
| | - Rachel Meadows
- Suite 525 Gateway Building C, 1590 N High Street, Columbus, OH 43201, United States
| | - Megan Hils
- 282-2 Cunz Hall, 1841 Neil Avenue, Columbus, OH 43210, United States
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33
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Cannioto R. Investigating Contributions of Physical Inactivity and Obesity to Racial Disparities in Cancer Risk and Mortality Warrants More Consideration. J Natl Cancer Inst 2021; 113:647-649. [PMID: 33252653 PMCID: PMC8168126 DOI: 10.1093/jnci/djaa189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 11/13/2020] [Indexed: 12/26/2022] Open
Affiliation(s)
- Rikki Cannioto
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
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34
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Torcivia JP, Mazumder R. Scanning window analysis of non-coding regions within normal-tumor whole-genome sequence samples. Brief Bioinform 2021; 22:bbaa203. [PMID: 32940334 PMCID: PMC8138877 DOI: 10.1093/bib/bbaa203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 08/08/2020] [Accepted: 08/10/2020] [Indexed: 11/15/2022] Open
Abstract
Genomics has benefited from an explosion in affordable high-throughput technology for whole-genome sequencing. The regulatory and functional aspects in non-coding regions may be an important contributor to oncogenesis. Whole-genome tumor-normal paired alignments were used to examine the non-coding regions in five cancer types and two races. Both a sliding window and a binning strategy were introduced to uncover areas of higher than expected variation for additional study. We show that the majority of cancer associated mutations in 154 whole-genome sequences covering breast invasive carcinoma, colon adenocarcinoma, kidney renal papillary cell carcinoma, lung adenocarcinoma and uterine corpus endometrial carcinoma cancers and two races are found outside of the coding region (4 432 885 in non-gene regions versus 1 412 731 in gene regions). A pan-cancer analysis found significantly mutated windows (292 to 3881 in count) demonstrating that there are significant numbers of large mutated regions in the non-coding genome. The 59 significantly mutated windows were found in all studied races and cancers. These offer 16 regions ripe for additional study within 12 different chromosomes-2, 4, 5, 7, 10, 11, 16, 18, 20, 21 and X. Many of these regions were found in centromeric locations. The X chromosome had the largest set of universal windows that cluster almost exclusively in Xq11.1-an area linked to chromosomal instability and oncogenesis. Large consecutive clusters (super windows) were found (19 to 114 in count) providing further evidence that large mutated regions in the genome are influencing cancer development. We show remarkable similarity in highly mutated non-coding regions across both cancer and race.
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Affiliation(s)
- J P Torcivia
- The Department of Biochemistry and Molecular Medicine, The George Washington University Medical Center, Washington, DC, USA
| | - R Mazumder
- The Department of Biochemistry and Molecular Medicine, The George Washington University Medical Center, Washington, DC, USA
- McCormick Genomic and Proteomic Center, The George Washington University, Washington, DC, USA
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35
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Hinshaw JC, Zhao LP, Brimm JE, Payne TH, Hisama FM. Value of a genetics clinic evaluation in identifying women at risk for hereditary breast-ovarian cancer syndrome. J Genet Couns 2021; 30:1591-1597. [PMID: 33881185 DOI: 10.1002/jgc4.1425] [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: 07/20/2020] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 11/08/2022]
Abstract
Our work evaluates the contributions of a genetics clinic visit in assessing patients' risk of hereditary cancers and in meeting National Cancer Comprehensive Network (NCCN) criteria for genetic testing. We reviewed the electronic health records (EHR) of 56 women seen for medical care in our healthcare system who were subsequently seen in the Adult Genetics Clinic. We searched for all personal or family cancer history available in either free-text or structured form within the EHR prior to the genetics visit. For each patient, we then compared the aggregate data with the pedigree information obtained at the Genetics Clinic visit for first-, second-, and third-degree relatives. During the genetics clinic visit, the number of relatives with cancer diagnoses doubled from 121 to 235, and for 17 of 56 (30%) of patients, family histories changed one or more NCCN criteria. For 39/56 (70%) of patients, the family history in the EHR was not changed during the genetics clinic visit. Of 56 women referred to the genetics clinic, 45 (80%) met NCCN guidelines for testing, 40 women underwent genetic testing, and 9 of 40 (23%) tested were positive for a Likely Pathogenic or Pathogenic (LP/P) variant. This study of 56 women quantitatively demonstrates the value of a genetics clinic visit by improved identification of key family history components.
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Affiliation(s)
- Jesse C Hinshaw
- University of Washington School of Medicine, Seattle, WA, USA
| | - Lue-Ping Zhao
- Fred Hutchinson Cancer Research Institute, Seattle, WA, USA
| | - John E Brimm
- University of Washington School of Medicine, Seattle, WA, USA
| | - Thomas H Payne
- Department of Medicine (General Internal Medicine), University of Washington School of Medicine, Seattle, WA, USA.,Brotman Baty Institute for Precision Medicine, University of Washington, Seattle, WA, USA
| | - Fuki M Hisama
- Brotman Baty Institute for Precision Medicine, University of Washington, Seattle, WA, USA.,Department of Medicine (Medical Genetics), University of Washington School of Medicine, Seattle, WA, USA
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36
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Kim JH, Park S, Park HS, Park JS, Lee ST, Kim SW, Lee JW, Lee MH, Park SK, Noh WC, Choi DH, Han W, Jung SH. Analysis of BRCA1/2 variants of unknown significance in the prospective Korean Hereditary Breast Cancer study. Sci Rep 2021; 11:8485. [PMID: 33875706 PMCID: PMC8055990 DOI: 10.1038/s41598-021-87792-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 04/05/2021] [Indexed: 11/12/2022] Open
Abstract
Genetic testing for BRCA1 and BRCA2 is crucial in diagnosing hereditary breast and ovarian cancer syndromes and has increased with the development of multigene panel tests. However, results classified as variants of uncertain significance (VUS) present challenges to clinicians in attempting to choose an appropriate management plans. We reviewed a total of 676 breast cancer patients included in the Korean Hereditary Breast Cancer (KOHBRA) study with a VUS on BRCA mutation tests between November 2007 and April 2013. These results were compared to the ClinVar database. We calculated the incidence and odds ratios for these variants using the Korean Reference Genome Database. A total of 58 and 91 distinct VUS in BRCA1 and BRCA2 were identified in the KOHBRA study (comprising 278 and 453 patients, respectively). A total of 27 variants in the KOHBRA study were not registered in the Single Nucleotide Polymorphism database. Among BRCA1 VUSs, 20 were reclassified as benign or likely benign, four were reclassified as pathogenic or likely pathogenic, and eight remained as VUSs according to the ClinVar database. Of the BRCA2 VUSs, 25 were reclassified as benign or likely benign, two were reclassified as pathogenic or likely pathogenic, and 33 remained as VUS according to the ClinVar database. There were 12 variants with conflicting interpretations of pathogenicity for BRCA1 and 18 for BRCA2. Among them, p.Leu1780Pro showed a particularly high odds ratio. Six pathogenic variants and one conflicting variant identified using ClinVar could be reclassified as pathogenic variants in this study. Using updated ClinVar information and calculating odds ratios can be helpful when reclassifying VUSs in BRCA1/2.
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Affiliation(s)
- Joo Heung Kim
- Department of Surgery, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Gyeonggi, Republic of Korea
| | - Sunggyun Park
- Department of Laboratory Medicine, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Hyung Seok Park
- Department of Surgery, Yonsei University College of Medicine, 50-1 Yonseiro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
| | - Ji Soo Park
- Hereditary Cancer Clinic, Cancer Prevention Center, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonseiro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sung-Won Kim
- Department of Surgery, Daerim St. Mary's Hospital, Seoul, Republic of Korea
| | - Jong Won Lee
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Min Hyuk Lee
- Department of Surgery, Soonchunhyang University Seoul Hospital, Seoul, Republic of Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Woo-Chul Noh
- Department of Surgery, Korea Institute of Radiological & Medical Science, Korea Cancer Center Hospital, Seoul, Republic of Korea
| | - Doo Ho Choi
- Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University, Seoul, Republic of Korea
| | - Wonshik Han
- Department of Surgery, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sung Hoo Jung
- Department of Surgery, Chonbuk National University Hospital, Jeonju, Jeollabuk, Republic of Korea
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Vidal AF, Ferraz RS, El-Husny A, Silva CS, Vinasco-Sandoval T, Magalhães L, Raiol-Moraes M, Barra WF, Pereira CLBL, de Assumpção PP, de Brito LM, Vialle RA, Santos S, Ribeiro-Dos-Santos Â, Ribeiro-Dos-Santos AM. Comprehensive analysis of germline mutations in northern Brazil: a panel of 16 genes for hereditary cancer-predisposing syndrome investigation. BMC Cancer 2021; 21:363. [PMID: 33827469 PMCID: PMC8028728 DOI: 10.1186/s12885-021-08089-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 03/23/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Next generation sequencing (NGS) has been a handy tool in clinical practice, mainly due to its efficiency and cost-effectiveness. It has been widely used in genetic diagnosis of several inherited diseases, and, in clinical oncology, it may enhance the discovery of new susceptibility genes and enable individualized care of cancer patients. In this context, we explored a pan-cancer panel in the investigation of germline variants in Brazilian patients presenting clinical criteria for hereditary cancer syndromes or familial history. METHODS Seventy-one individuals diagnosed or with familial history of hereditary cancer syndromes were submitted to custom pan-cancer panel including 16 high and moderate penetrance genes previously associated with hereditary cancer syndromes (APC, BRCA1, BRCA2, CDH1, CDKN2A, CHEK2, MSH2, MSH6, MUTYH, PTEN, RB1, RET, TP53, VHL, XPA and XPC). All pathogenic variants were validated by Sanger sequencing. RESULTS We identified a total of eight pathogenic variants among 12 of 71 individuals (16.9%). Among the mutation-positive subjects, 50% were diagnosed with breast cancer and had mutations in BRCA1, CDH1 and MUTYH. Notably, 33.3% were individuals diagnosed with polyposis or who had family cases and harbored pathogenic mutations in APC and MUTYH. The remaining individuals (16.7%) were gastric cancer patients with pathogenic variants in CDH1 and MSH2. Overall, 54 (76.05%) individuals presented at least one variant uncertain significance (VUS), totalizing 81 VUS. Of these, seven were predicted to have disease-causing potential. CONCLUSION Overall, analysis of all these genes in NGS-panel allowed the identification not only of pathogenic variants related to hereditary cancer syndromes but also of some VUS that need further clinical and molecular investigations. The results obtained in this study had a significant impact on patients and their relatives since it allowed genetic counselling and personalized management decisions.
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Affiliation(s)
- Amanda Ferreira Vidal
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Rafaella Sousa Ferraz
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Antonette El-Husny
- Bettina Ferro de Souza University Hospital, Federal University of Pará, Belém, Pará, Brazil
| | - Caio Santos Silva
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Tatiana Vinasco-Sandoval
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Leandro Magalhães
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Milene Raiol-Moraes
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Williams Fernandes Barra
- João de Barros Barreto University Hospital, Federal University of Pará, Belém, Pará, Brazil
- Center of Oncology Research, Federal University of Pará, Belém, Pará, Brazil
| | - Cynthia Lara Brito Lins Pereira
- João de Barros Barreto University Hospital, Federal University of Pará, Belém, Pará, Brazil
- Center of Oncology Research, Federal University of Pará, Belém, Pará, Brazil
| | | | - Leonardo Miranda de Brito
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Ricardo Assunção Vialle
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
| | - Sidney Santos
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
- Center of Oncology Research, Federal University of Pará, Belém, Pará, Brazil
| | - Ândrea Ribeiro-Dos-Santos
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil
- Center of Oncology Research, Federal University of Pará, Belém, Pará, Brazil
| | - André M Ribeiro-Dos-Santos
- Laboratory of Human and Medical Genetics, Graduate Program Genetics and Molecular Biology, Federal University of Pará, Belém, Pará, Brazil.
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Kastora S, Triantafyllidou O, Kounidas G, Vlahos N. Delineation of an unknown significance FANCA genetic variant in a recurrent breast cancer patient. BMJ Case Rep 2021; 14:14/3/e241251. [PMID: 33762291 PMCID: PMC7993164 DOI: 10.1136/bcr-2020-241251] [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] [Indexed: 11/04/2022] Open
Abstract
Fanconi anaemia is a heterogeneous condition associated with mutations in the Fanconi anaemia complementation group (FANC). The FANC group has also been extensively associated with tumourigenesis due to its intricate association with the cellular repair mechanism. In this case report, we are drawing initial associations between a previously unreported FANC-A gene point mutation (P1222L) and familial breast cancer, by examining the presentation and management of a 65-year-old female patient with history of bilateral breast cancer of two different histological categories (ductal and in situ lobular). Here, we present a further genetic analysis beyond the common clinical practice to understand the patient's genetic predisposition and improve their long-term management.
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Affiliation(s)
- Stavroula Kastora
- Acute Medicine, Grampian University Hospitals NHS Trust, Aberdeen, UK
- School of Medicine, University of Aberdeen College of Life Sciences & Medicine, Aberdeen, UK
| | - Olga Triantafyllidou
- Reproductive Medicine Unit, "Leto" Maternity Hospital, Athens, Greece
- 2nd Department of Obstetrics and Gynaecology, Aretaieion Panepistemiako Nosokomeio, Athens, Attica, Greece
| | - Georgios Kounidas
- School of Medicine, University of Aberdeen College of Life Sciences & Medicine, Aberdeen, UK
| | - Nikolaos Vlahos
- 2nd Department of Obstetrics and Gynaecology, Aretaieion Panepistemiako Nosokomeio, Athens, Attica, Greece
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Aka E, Horo A, Koffi A, Fanny M, Didi-Kouko C, Nda G, Abouna A, Kone M. [Management of breast cancer in Abidjan: A single center experience]. ACTA ACUST UNITED AC 2021; 49:684-690. [PMID: 33677121 DOI: 10.1016/j.gofs.2021.03.001] [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: 11/11/2020] [Indexed: 11/17/2022]
Abstract
AIM To present the results of the personalized care of Ivorian women suffering from breast cancer since the advent of immunohistochemistry in Côte d'Ivoire. METHODS We carried out a single-center retrospective study at the Yopougon university hospital from January 2014 to December 2018. All women's breast cancer with complementary immunohistochemistry and treated at the Yopougon hospital center were selected. Standard descriptive statistical tests were used to describe patient and tumor characteristics, and univariate and multivariate analyzes were performed with a statistical significance set at a P-value of 0.05 using SPSS version 20.0. RESULTS The mean age of women is 48.27 years, SD (11.92). 50.88 % of the tumors were hormone-dependent. The triple negative subgroup was the most represented (43.28 %) followed by luminal A (35.42 %). Conservative treatment represented 18.51 % of cases. In the univariate analysis, the risk of developing a hormone-dependent cancer is statistically significant respectively in women with an education level removed OR=1.98 (P˂0.015) and with a wealthy salary OR=1.85 (P˂0.009). On the other hand, the high level of education (OR=0.44; P˂0.005), and the well-off salary condition (OR=0.59; P˂0.024) would be protective factors for the development of triple negative breast cancer. All these factors are not significant in multivariate analysis, whether for hormone-dependent or triple negative tumors. CONCLUSION The personalized care of breast cancer in our African context remains difficult and must take into account several medical and extra-medical parameters.
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Affiliation(s)
- E Aka
- Teaching Hospital of Yopougon-Abidjan/Obstetrics and Gynecology Unit, University Félix Houphouët Boigny (FHB), Abidjan, Cote d'Ivoire.
| | - A Horo
- Teaching Hospital of Yopougon-Abidjan/Obstetrics and Gynecology Unit, University Félix Houphouët Boigny (FHB), Abidjan, Cote d'Ivoire.
| | - A Koffi
- Teaching Hospital of Yopougon-Abidjan/Obstetrics and Gynecology Unit, University Félix Houphouët Boigny (FHB), Abidjan, Cote d'Ivoire.
| | - M Fanny
- Teaching Hospital of Yopougon-Abidjan/Obstetrics and Gynecology Unit, University Félix Houphouët Boigny (FHB), Abidjan, Cote d'Ivoire.
| | - C Didi-Kouko
- University Félix Houphouët Boigny (FHB), Teaching Hospital of Treichville-Abidjan/Oncology Unit, Abidjan, Cote d'Ivoire.
| | - G Nda
- University Félix Houphouët Boigny (FHB), Ivoirian Cancer Registry, Abidjan, Cote d'Ivoire.
| | - A Abouna
- University Félix Houphouët Boigny (FHB), Teaching Hospital of Treichville-Abidjan/Anatomy-Pathology Unit, Abidjan, Cote d'Ivoire.
| | - M Kone
- Teaching Hospital of Yopougon-Abidjan/Obstetrics and Gynecology Unit, University Félix Houphouët Boigny (FHB), Abidjan, Cote d'Ivoire.
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Chapman-Davis E, Zhou ZN, Fields JC, Frey MK, Jordan B, Sapra KJ, Chatterjee-Paer S, Carlson AD, Holcomb KM. Racial and Ethnic Disparities in Genetic Testing at a Hereditary Breast and Ovarian Cancer Center. J Gen Intern Med 2021; 36:35-42. [PMID: 32720237 PMCID: PMC7859010 DOI: 10.1007/s11606-020-06064-x] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/07/2020] [Accepted: 07/15/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Prior studies suggest that referral to genetic counseling and completion of genetic testing vary by race/ethnicity; however, the data are limited. OBJECTIVE We sought to evaluate patterns of genetic testing and clinical outcomes across race/ethnicity at a hereditary breast and ovarian cancer center. DESIGN The medical records for all patients undergoing genetic assessment at a hereditary breast and ovarian cancer center were reviewed and stratified by self-reported race/ethnicity (non-Hispanic White, Hispanic, non-Hispanic Black, and Asian). PARTICIPANTS A total of 1666 patients met inclusion criteria (non-Hispanic Whites, 1367; Hispanics, 85, non-Hispanic Blacks, 101; Asians, 113). MAIN MEASURES Demographics, patient characteristics, and referral patterns for patients who underwent genetic testing were analyzed using Kruskal-Wallis tests, chi-square test, or Fisher's exact tests, stratifying by self-reported race/ethnicity. Pathogenic mutations and variants of unknown significance (VUS) were reviewed. Outcomes of patients with genetic mutations and personal history of breast and/or gynecologic malignancies were compared. KEY RESULTS Non-Hispanic Whites were more likely to be referred due to family cancer history compared to all other ethnicities while Non-Hispanic Blacks, Hispanics, and Asians were more likely to be referred due to personal history of cancer (p < 0.001). Non-Hispanic Blacks and Hispanics were more likely to have advanced-stage cancer at the time of genetic testing (p < 0.02). Rates of mutations did not differ by race/ethnicity when Ashkenazi Jewish patients were excluded (p = 0.08). Among patients found to have a BRCA1/2 mutation, Non-Hispanic Whites were more likely to undergo cancer screening and risk-reducing surgery compared with all other ethnicities (p = 0.04). CONCLUSIONS Minority patients were more likely to utilize genetic services following a cancer diagnosis and less likely due to family cancer history, suggesting a missed opportunity for mutation detection and cancer prevention in this population. Efforts to eradicate racial/ethnic disparities in early access to genetic testing and guided cancer prevention strategies are essential.
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Affiliation(s)
- Eloise Chapman-Davis
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA.
| | - Zhen Ni Zhou
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Jessica C Fields
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Melissa K Frey
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Bailey Jordan
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Katherine J Sapra
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Sudeshna Chatterjee-Paer
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
| | - Ann D Carlson
- Genetic Risk Assessment Program, Weill Cornell Medicine, New York, NY, USA
| | - Kevin M Holcomb
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, New York Presbyterian-Weill Cornell Medicine, New York, NY, USA
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Peres LC, Bethea TN, Camacho TF, Bandera EV, Beeghly-Fadiel A, Chyn DL, Harris HR, Joslin CE, Moorman PG, Myers E, Ochs-Balcom HM, Rosenow W, Setiawan VW, Wu AH, Rosenberg L, Schildkraut JM. Racial Differences in Population Attributable Risk for Epithelial Ovarian Cancer in the OCWAA Consortium. J Natl Cancer Inst 2020; 113:710-718. [PMID: 33252629 DOI: 10.1093/jnci/djaa188] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/31/2020] [Accepted: 10/14/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The causes of racial disparities in epithelial ovarian cancer (EOC) incidence remain unclear. Differences in the prevalence of ovarian cancer risk factors may explain disparities in EOC incidence among African American (AA) and White women. METHODS We used data from 4 case-control studies and 3 case-control studies nested within prospective cohorts in the Ovarian Cancer in Women of African Ancestry Consortium to estimate race-specific associations of 10 known or suspected EOC risk factors using logistic regression. Using the Bruzzi method, race-specific population attributable risks (PAR) were estimated for each risk factor individually and collectively, including groupings of exposures (reproductive factors and modifiable factors). All statistical tests were 2-sided. RESULTS Among 3244 White EOC cases and 9638 controls and 1052 AA EOC cases and 2410 controls, AA women had a statistically significantly higher PAR (false discovery rate [FDR] P < .001) for first-degree family history of breast cancer (PAR = 10.1%, 95% confidence interval [CI] = 6.5% to 13.7%) compared with White women (PAR = 2.6%, 95% CI = 0.8% to 4.4%). After multiple test correction, AA women had a higher PAR than White women when evaluating all risk factors collectively (PAR = 61.6%, 95% CI = 48.6% to 71.3% vs PAR = 43.0%, 95% CI = 32.8% to 51.4%, respectively; FDR P = .06) and for modifiable exposures, including body mass index, oral contraceptives, aspirin, and body powder (PAR = 36.0%, 95% CI = 21.0% to 48.8% vs PAR = 13.8%, 95% CI = 4.5% to 21.8%, respectively; FDR P = .04). CONCLUSIONS Collectively, the selected risk factors accounted for slightly more of the risk among AA than White women, and interventions to reduce EOC incidence that are focused on multiple modifiable risk factors may be slightly more beneficial to AA women than White women at risk for EOC.
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Affiliation(s)
- Lauren C Peres
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Traci N Bethea
- Office of Minority Health and Health Disparities Research, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University Medical Campus, Washington, DC, USA
| | - Tareq F Camacho
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA
| | - Elisa V Bandera
- Cancer Epidemiology and Health Outcomes, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, USA
| | - Alicia Beeghly-Fadiel
- Department of Medicine, Division of Epidemiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Deanna L Chyn
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA
| | - Holly R Harris
- Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.,Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA, USA
| | - Charlotte E Joslin
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago School of Medicine and Division of Epidemiology and Biostatistics, School of Public Health, Chicago, IL, USA
| | - Patricia G Moorman
- Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC, USA
| | - Evan Myers
- Department of Family Medicine and Community Health, Duke University Medical Center, Durham, NC, USA
| | - Heather M Ochs-Balcom
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Will Rosenow
- Department of Public Health Sciences, University of Virginia, Charlottesville, VA, USA
| | - V Wendy Setiawan
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Anna H Wu
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California Norris Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Lynn Rosenberg
- Slone Epidemiology Center at Boston University, Boston, MA, USA
| | - Joellen M Schildkraut
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
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Okano M, Nomizu T, Tachibana K, Nagatsuka M, Matsuzaki M, Katagata N, Ohtake T, Yokoyama S, Arai M, Nakamura S. The relationship between BRCA-associated breast cancer and age factors: an analysis of the Japanese HBOC consortium database. J Hum Genet 2020; 66:307-314. [PMID: 33046835 DOI: 10.1038/s10038-020-00849-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/10/2020] [Accepted: 09/14/2020] [Indexed: 01/08/2023]
Abstract
BRCA1/2 pathogenic variant prevalence in Japanese breast cancer is unclear. Here, we analyzed BRCA1/2 pathogenic variant prevalence with a particular focus on age factors, using the Japanese HBOC consortium database. All registered subjects were Japanese individuals who underwent BRCA1/2 genetic testing from January 1996 to July 2017 according to the Japanese HBOC consortium database. Cases were extracted and analyzed for each evaluation item. Overall BRCA1 and BRCA2 pathogenic variant prevalence was 11.2% and 9.0% in the cohort of 2366 proband patients, respectively. The age at onset of breast cancer for patients with BRCA1/2 pathogenic variants was significantly lower than that for patients without a BRCA1/2 pathogenic variant. In both BRCA1/2 patients, ages at onset were not statistically significantly different between two subtype groups (ER-positive vs. TNBC). We analyzed the BRCA1/2 pathogenic variant prevalence among age groups in patients with no family history of breast or ovarian cancer. In the TNBC group, the rate of genetic variants was more frequent among younger patients. Our results demonstrated that early breast cancer onset is associated with a BRCA1/2 pathogenic variant in the Japanese population. Younger TNBC patients were more likely to have a BRCA1/2 pathogenic variant irrespective of a family history of breast or ovarian cancer.
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Affiliation(s)
- Maiko Okano
- Department of Surgery, Hoshi General Hospital, Fukushima, Japan. .,Department of Breast Surgery, Fukushima Medical University School of Medicine, Fukushima, Japan.
| | - Tadashi Nomizu
- Department of Surgery, Hoshi General Hospital, Fukushima, Japan
| | - Kazunoshin Tachibana
- Department of Surgery, Hoshi General Hospital, Fukushima, Japan.,Department of Breast Surgery, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Miki Nagatsuka
- Department of Surgery, Hoshi General Hospital, Fukushima, Japan
| | | | - Naoto Katagata
- Department of Surgery, Hoshi General Hospital, Fukushima, Japan
| | - Toru Ohtake
- Department of Breast Surgery, Fukushima Medical University School of Medicine, Fukushima, Japan
| | | | - Masami Arai
- Diagnostics and Therapeutics of Intractable Diseases, Graduate School of Medicine, Juntendo University, Tokyo, Japan
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Bhaskaran SP, Huang T, Rajendran BK, Guo M, Luo J, Qin Z, Zhao B, Chian J, Li S, Wang SM. Ethnic-specific BRCA1/2 variation within Asia population: evidence from over 78 000 cancer and 40 000 non-cancer cases of Indian, Chinese, Korean and Japanese populations. J Med Genet 2020; 58:752-759. [PMID: 32963034 DOI: 10.1136/jmedgenet-2020-107299] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/06/2020] [Accepted: 08/13/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Germline mutation in BRCA1 and BRCA2 (BRCA) is genetic predisposition for breast and ovarian cancer. Identification of mutation carriers is a critical step to prevent and treat the cancer in the mutation carriers. Human BRCA variation has been well determined as ethnic-specific by studies in Ashkenazi Jewish, Polish and Icelandic populations in the 1990s. However, sufficient evidence is lacking to determine if ethnic-specific BRCA variation is also present in Asia population, which is the largest and the most diversified in modern humans. Our current study aims to investigate ethnic-specific BRCA variation in Asian population. METHODS We performed a comprehensive data mining to collect BRCA variation data in Indian, Chinese, Korean and Japanese populations derived from over 78 000 cancer and 40 000 non-cancer cases. We standardised all BRCA variation data following the international standard. We made a systematic comparison between the datasets including variant composition, variation spectrum, variant type, clinical class, founder mutation and high-frequent variants. RESULTS Our analysis showed that over half of the Asian BRCA variants were Asian-specific, and significant differences were present between the four Asia populations in each category analysed. CONCLUSION Data from our study reveal that ethnic-specific BRCA variation is commonly present in Asia population as existing in non-Asian populations. Our study indicates that ethnicity should be an important factor to consider in prevention and treatment of BRCA mutation-related cancer in the Asia population. We recommend that the current BRCA variation databases should include ethnic variation information in order to function as true global BRCA references.
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Affiliation(s)
| | - Teng Huang
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | | | - Maoni Guo
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Jiangtao Luo
- Healthcare Analytics Institute, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Zixin Qin
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Bojin Zhao
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Jiasheng Chian
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Suicheng Li
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - San Ming Wang
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
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Yoshihara K, Enomoto T, Aoki D, Watanabe Y, Kigawa J, Takeshima N, Inomata H, Hattori K, Jinushi M, Tsuda H, Sugiyama T. Association of gBRCA1/2 mutation locations with ovarian cancer risk in Japanese patients from the CHARLOTTE study. Cancer Sci 2020; 111:3350-3358. [PMID: 32495382 PMCID: PMC7469841 DOI: 10.1111/cas.14513] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 05/22/2020] [Accepted: 05/29/2020] [Indexed: 12/14/2022] Open
Abstract
Whether germline (g) breast cancer susceptibility gene (BRCA) mutations are located within or outside the ovarian cancer cluster region (OCCR) (1380-4062 bp for gBRCA1, and between 3249-5681 bp and 6645-7471 bp for gBRCA2) may influence risk variations for ovarian cancers. This ad hoc analysis of the CHARLOTTE epidemiological study in Japan assessed the distribution of gBRCA1/2 mutations in patients with newly diagnosed ovarian cancer, and investigated an association between gBRCA1/2 mutation locations and ovarian cancer risk. Differences in patient background and clinical characteristics in subgroups stratified by gBRCA1/2 mutation locations were also evaluated. We analyzed the data of 93 patients (14.7%) from the CHARLOTTE study who were positive for gBRCA1/2 mutations. After excluding 16 cases with L63X founder mutation, 28 (65.1%) of gBRCA1 mutations were within the OCCR. Of 30 gBRCA2 mutations, 15 (50.0%) were within the OCCR. Of 27 patients (one patient excluded for unknown family history) with gBRCA1 mutations located in the OCCR, 11 (40.7%) had a family history of ovarian cancer; the proportion of patients with a family history of ovarian cancer and gBRCA1 mutations outside the OCCR was lower (13.3%). Sixty percent of patients with gBRCA1 mutations outside the OCCR had a family history of breast cancer; the proportion of patients with a family history of breast cancer and gBRCA1 mutations within the OCCR was relatively lower (33.3%). Understanding the mutation locations may contribute to more accurate risk assessments of susceptible individuals and early detection of ovarian cancer among gBRCA mutation carriers.
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Affiliation(s)
- Kosuke Yoshihara
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takayuki Enomoto
- Department of Obstetrics and Gynecology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Daisuke Aoki
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Yoh Watanabe
- Department of Obstetrics and Gynecology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Junzo Kigawa
- Department of Obstetrics and Gynecology, Matsue City Hospital, Matsue, Japan
| | | | - Hyoe Inomata
- Medical Department, AstraZeneca K.K., Osaka, Japan
| | - Kana Hattori
- Medical Department, AstraZeneca K.K., Osaka, Japan
| | | | - Hitoshi Tsuda
- Department of Basic Pathology, National Defense Medical College, Tokorozawa, Japan
| | - Toru Sugiyama
- Department of Obstetrics and Gynecology, St. Mary's Hospital, Kurume, Japan
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Hiatt RA, Engmann NJ, Balke K, Rehkopf DH. A Complex Systems Model of Breast Cancer Etiology: The Paradigm II Conceptual Model. Cancer Epidemiol Biomarkers Prev 2020; 29:1720-1730. [PMID: 32641370 DOI: 10.1158/1055-9965.epi-20-0016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 03/09/2020] [Accepted: 06/04/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The etiology of breast cancer is a complex system of interacting factors from multiple domains. New knowledge about breast cancer etiology continues to be produced by the research community, and the communication of this knowledge to other researchers, practitioners, decision makers, and the public is a challenge. METHODS We updated the previously published Paradigm model (PMID: 25017248) to create a framework that describes breast cancer etiology in four overlapping domains of biologic, behavioral, environmental, and social determinants. This new Paradigm II conceptual model was part of a larger modeling effort that included input from multiple experts in fields from genetics to sociology, taking a team and transdisciplinary approach to the common problem of describing breast cancer etiology for the population of California women in 2010. Recent literature was reviewed with an emphasis on systematic reviews when available and larger epidemiologic studies when they were not. Environmental chemicals with strong animal data on etiology were also included. RESULTS The resulting model illustrates factors with their strength of association and the quality of the available data. The published evidence supporting each relationship is made available herein, and also in an online dynamic model that allows for manipulation of individual factors leading to breast cancer (https://cbcrp.org/causes/). CONCLUSIONS The Paradigm II model illustrates known etiologic factors in breast cancer, as well as gaps in knowledge and areas where better quality data are needed. IMPACT The Paradigm II model can be a stimulus for further research and for better understanding of breast cancer etiology.
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Affiliation(s)
- Robert A Hiatt
- Department of Epidemiology & Biostatistics, University of California San Francisco, San Francisco, California. .,Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California
| | | | - Kaya Balke
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California
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Park S, Lee E, Park S, Lee S, Nam SJ, Kim SW, Lee JE, Yu JH, Kim JY, Ahn JS, Im YH, Park WY, Park K, Park YH. Clinical Characteristics and Exploratory Genomic Analyses of Germline BRCA1 or BRCA2 Mutations in Breast Cancer. Mol Cancer Res 2020; 18:1315-1325. [PMID: 32554602 DOI: 10.1158/1541-7786.mcr-19-1108] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 02/28/2020] [Accepted: 06/11/2020] [Indexed: 11/16/2022]
Abstract
gBRCA1/2 mutations increase the incidence of breast cancer by interrupting the homologous recombination repair (HRR) pathway. Although gBRCA1 and gBRCA2 breast cancer have similar clinical profiles, different molecular characteristics have been observed. In this study, we conducted comprehensive genomic analyses and compared gBRCA1/2 breast cancer. Sanger sequencing to identify gBRCA1/2 mutations was conducted in 2,720 patients, and gBRCA1 (n = 128) and gBRCA2 (n = 126) mutations were analyzed. Within this population, deep target sequencing and matched whole-transcriptome sequencing (WTS) results were available for 46 and 34 patients, respectively. An internal database of patients with breast cancer with wild-type gBRCA was used to compile a target sequencing (n = 195) and WTS (n = 137) reference dataset. Three specific mutation sites, p.Y130X (n = 14) and p.1210Afs (n = 13) in gBRCA1 and p.R294X (n = 22) in gBRCA2, were comparably frequent. IHC subtyping determined that the incidence of triple-negative breast cancer was higher among those with a gBRCA1 mutation (71.9%), and estrogen receptor-positive breast cancer was dominant in those with a gBRCA2 mutation (76.2%). gBRCA1/2 mutations were mutually exclusive with PIK3CA somatic mutations (P < 0.05), and gBRCA1 frequently cooccurred with TP53 somatic mutations (P < 0.05). The median tumor mutation burden was 6.53 per megabase (MB) in gBRCA1 and 6.44 per MB in gBRCA2. The expression of AR, ESR1, and PGR was significantly upregulated with gBRCA2 mutation compared with gBRCA1 mutation. gBRCA1 and gBRCA2 breast cancer have similar clinical characteristics, but they have different molecular subtypes, coaltered somatic mutations, and gene expression patterns. IMPLICATIONS: Even though gBRCA1 and gBRCA2 mutations both alter HRR pathways, our results suggest that they generate different molecular characteristics and different mechanisms of carcinogenesis.
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Affiliation(s)
- Sehhoon Park
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Eunjin Lee
- Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Seri Park
- Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of South Korea
| | - Sohee Lee
- Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of South Korea
| | - Seok Jin Nam
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Seok Won Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Jeong Eon Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Jong-Han Yu
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Ji-Yeon Kim
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Jin Seok Ahn
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Young-Hyuck Im
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Woong-Yang Park
- Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea
| | - Kyunghee Park
- Samsung Genome Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea.
| | - Yeon Hee Park
- Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea. .,Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of South Korea
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Bruegl AS, Joshi S, Batman S, Weisenberger M, Munro E, Becker T. Gynecologic cancer incidence and mortality among American Indian/Alaska Native women in the Pacific Northwest, 1996-2016. Gynecol Oncol 2020; 157:686-692. [PMID: 32305303 PMCID: PMC7293560 DOI: 10.1016/j.ygyno.2020.03.033] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 03/31/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Compare the incidence and mortality of gynecologic cancers among American Indian/Alaska Native (AI/AN) women to the Non-Hispanic White (NHW) population in the Pacific Northwest. METHODS Age-adjusted cancer incidence (1996-2016) and mortality (2006-2016) rates were calculated from population-based state cancer registry and death certificate data obtained from Washington, Oregon, and Idaho, and corrected for AI/AN misclassification. Incidence and mortality rate ratios (RR) were calculated to compare AI/AN and NHW women with gynecologic cancers. RESULTS Across all gynecologic cancer sites, AI/AN women were diagnosed at a younger age compared to NHW women. AI/AN women had a higher incidence of cervical cancer compared to NHW women with a RR of 1.53 (95% CI: 1.34, 1.75). For all age groups, AI/AN women had a higher incidence of cervical cancer and the disparity was greatest in the 50-64 age group with a RR of 1.76 (95% CI: 1.36, 2.30). Cervical cancer mortality was greater among AI/AN women, with an all-ages RR of 1.79 (95% CI: 1.30, 2.46); the disparity was greatest in the 50-64 age group (RR: 2.88, 95% CI: 1.89, 4.38). For uterine cancer, AI/AN women had similar incidence rates as NHW women but higher mortality rates (RR: 1.35, 95% CI: 1.03-1.75). Incidence and mortality for ovarian cancer were similar between groups. CONCLUSION Our analysis of gynecologic cancers among AI/AN in the PNW found significant disparities relative to NHW women in cervical cancer incidence and mortality. These disparities persist despite advances in prevention strategies.
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Affiliation(s)
- Amanda S Bruegl
- Department of Obstetrics and Gynecology, 3181 SW Sam Jackson Park Road, Oregon Health and Science University (OHSU), Portland, OR 97239, USA.
| | - Sujata Joshi
- Northwest Portland Area Indian Health Board Tribal Epidemiology Center, 2121 SW Broadway, Suite 300, Portland, OR 97201, USA
| | - Samantha Batman
- Department of Obstetrics and Gynecology, 3181 SW Sam Jackson Park Road, Oregon Health and Science University (OHSU), Portland, OR 97239, USA
| | - Mercedes Weisenberger
- Department of Obstetrics and Gynecology, 3181 SW Sam Jackson Park Road, Oregon Health and Science University (OHSU), Portland, OR 97239, USA
| | - Elizabeth Munro
- Department of Obstetrics and Gynecology, 3181 SW Sam Jackson Park Road, Oregon Health and Science University (OHSU), Portland, OR 97239, USA
| | - Thomas Becker
- Northwest Portland Area Indian Health Board Tribal Epidemiology Center, 2121 SW Broadway, Suite 300, Portland, OR 97201, USA; OHSU-Portland State University (PSU) School of Public Health, 506 SW Mill Street, Portland, OR 97201, USA
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Oak N, Cherniack AD, Mashl RJ, Hirsch FR, Ding L, Beroukhim R, Gümüş ZH, Plon SE, Huang KL. Ancestry-specific predisposing germline variants in cancer. Genome Med 2020; 12:51. [PMID: 32471518 PMCID: PMC7260738 DOI: 10.1186/s13073-020-00744-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 05/07/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Distinct prevalence of inherited genetic predisposition may partially explain the difference of cancer risks across ancestries. Ancestry-specific analyses of germline genomes are required to inform cancer genetic risk and prognosis of diverse populations. METHODS We conducted analyses using germline and somatic sequencing data generated by The Cancer Genome Atlas. Collapsing pathogenic and likely pathogenic variants to cancer predisposition genes (CPG), we analyzed the association between CPGs and cancer types within ancestral groups. We also identified the predisposition-associated two-hit events and gene expression effects in tumors. RESULTS Genetic ancestry analysis classified the cohort of 9899 cancer cases into individuals of primarily European (N = 8184, 82.7%), African (N = 966, 9.8%), East Asian (N = 649, 6.6%), South Asian (N = 48, 0.5%), Native/Latin American (N = 41, 0.4%), and admixed (N = 11, 0.1%) ancestries. In the African ancestry, we discovered a potentially novel association of BRCA2 in lung squamous cell carcinoma (OR = 41.4 [95% CI, 6.1-275.6]; FDR = 0.002) previously identified in Europeans, along with a known association of BRCA2 in ovarian serous cystadenocarcinoma (OR = 8.5 [95% CI, 1.5-47.4]; FDR = 0.045). In the East Asian ancestry, we discovered one previously known association of BRIP1 in stomach adenocarcinoma (OR = 12.8 [95% CI, 1.8-90.8]; FDR = 0.038). Rare variant burden analysis further identified 7 suggestive associations in African ancestry individuals previously described in European ancestry, including SDHB in pheochromocytoma and paraganglioma, ATM in prostate adenocarcinoma, VHL in kidney renal clear cell carcinoma, FH in kidney renal papillary cell carcinoma, and PTEN in uterine corpus endometrial carcinoma. Most predisposing variants were found exclusively in one ancestry in the TCGA and gnomAD datasets. Loss of heterozygosity was identified for 7 out of the 15 African ancestry carriers of predisposing variants. Further, tumors from the SDHB or BRCA2 carriers showed simultaneous allelic-specific expression and low gene expression of their respective affected genes, and FH splice-site variant carriers showed mis-splicing of FH. CONCLUSIONS While several CPGs are shared across patients, many pathogenic variants are found to be ancestry-specific and trigger somatic effects. Studies using larger cohorts of diverse ancestries are required to pinpoint ancestry-specific genetic predisposition and inform genetic screening strategies.
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Affiliation(s)
- Ninad Oak
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Andrew D Cherniack
- The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02142, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - R Jay Mashl
- Department of Medicine, Washington University in St. Louis, St. Louis, MO, 63108, USA
- McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO, 63108, USA
| | - Fred R Hirsch
- Department of Oncological Sciences, Center for Thoracic Oncology, Tisch Cancer Institute, New York, NY, USA
| | - Li Ding
- Department of Medicine, Washington University in St. Louis, St. Louis, MO, 63108, USA
- McDonnell Genome Institute, Washington University in St. Louis, St. Louis, MO, 63108, USA
- Department of Genetics, Washington University in St. Louis, St. Louis, MO, 63108, USA
- Siteman Cancer Center, Washington University in St. Louis, St. Louis, MO, 63108,, USA
| | - Rameen Beroukhim
- The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02142, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Zeynep H Gümüş
- Department of Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Sharon E Plon
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, 77030, USA
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, 77030, USA
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Kuan-Lin Huang
- Department of Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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Apostolou P, Fostira F, Kouroussis C, Kalfakakou D, Delimitsou A, Agelaki S, Androulakis N, Christodoulou C, Kalbakis K, Kalykaki A, Sanidas E, Papadimitriou C, Vamvakas L, Georgoulias V, Mavroudis D, Yannoukakos D, Konstantopoulou I, Saloustros E. BRCA1 and BRCA2 germline testing in Cretan isolates reveals novel and strong founder effects. Int J Cancer 2020; 147:1334-1342. [PMID: 32022259 DOI: 10.1002/ijc.32903] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 01/15/2020] [Accepted: 01/23/2020] [Indexed: 12/14/2022]
Abstract
Germline BRCA1 and BRCA2 loss-of-function variants have been linked to increased breast and ovarian cancer risk, with more than 5,000 distinct pathogenic variants being reported worldwide. Among individuals of Greek descent, the BRCA1/2 variant spectrum is heterogeneous, but characterized by strong founder effects. As patients from certain geographical regions of Greece (like Crete) were underrepresented in previous studies, we hypothesized that isolated Cretans, a southern Greece islanders' population with distinct demographic, cultural and genetic features, could harbor founder BRCA1/2 mutations. A total of 304 breast or/and ovarian cancer patients of Cretan descent, fulfilling NCCN criteria for genetic testing, were tested by NGS or Sanger sequencing, followed by MLPA. Haplotype analysis was subsequently performed to investigate potential founder effects of recurrent alleles. Overall, 16.5% (50/304) of the tested patients carried 22 different pathogenic variants; 48% in BRCA1, 52% in BRCA2. Three variants, namely two in BRCA2 (Δexons 12 and 13 and c.7806-2A>T) and one in BRCA1 (c.5492del), constituting approximately half (48%) of all detected pathogenic variants, were shown to have a founder effect, with all carriers sharing common haplotypes. Remarkably, these variants were confined to Cretans and have not been identified in other regions of Greece. The high prevalence of specific BRCA1/2 pathogenic variants among Cretans, provides the possibility of cost- and time-efficient screening of the Cretan population. Integrating this knowledge in local public health services may have a significant impact on cancer prevention, and may serve as a starting point for the implementation of testing on a population level.
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Affiliation(s)
- Paraskevi Apostolou
- Molecular Diagnostics Laboratory, INRaSTES, National Center for Scientific Research "Demokritos", Athens, Greece
| | - Florentia Fostira
- Molecular Diagnostics Laboratory, INRaSTES, National Center for Scientific Research "Demokritos", Athens, Greece
| | | | - Despoina Kalfakakou
- Molecular Diagnostics Laboratory, INRaSTES, National Center for Scientific Research "Demokritos", Athens, Greece
| | - Angeliki Delimitsou
- Molecular Diagnostics Laboratory, INRaSTES, National Center for Scientific Research "Demokritos", Athens, Greece
| | - Sofia Agelaki
- Laboratory of Translational Oncology, School of Medicine, University of Crete, Heraklion, Crete, Greece.,Department of Medical Oncology, School of Medicine, University Hospital of Heraklion, Crete, Greece
| | | | | | - Konstantinos Kalbakis
- Department of Medical Oncology, School of Medicine, University Hospital of Heraklion, Crete, Greece
| | - Antonia Kalykaki
- Department of Medical Oncology, School of Medicine, University Hospital of Heraklion, Crete, Greece
| | - Elias Sanidas
- Department of Surgery, School of Medicine, University of Crete, Heraklion, Greece
| | - Christos Papadimitriou
- Oncology Unit, Second Department of Surgery, Aretaieion Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Lambros Vamvakas
- Department of Medical Oncology, School of Medicine, University Hospital of Heraklion, Crete, Greece
| | | | - Dimitris Mavroudis
- Laboratory of Translational Oncology, School of Medicine, University of Crete, Heraklion, Crete, Greece.,Department of Medical Oncology, School of Medicine, University Hospital of Heraklion, Crete, Greece
| | - Drakoulis Yannoukakos
- Molecular Diagnostics Laboratory, INRaSTES, National Center for Scientific Research "Demokritos", Athens, Greece
| | - Irene Konstantopoulou
- Molecular Diagnostics Laboratory, INRaSTES, National Center for Scientific Research "Demokritos", Athens, Greece
| | - Emmanouil Saloustros
- Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
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50
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Abstract
Ovarian cancer is one of the most fatal cancers diagnosed in women in the United States (U.S.). Data from national databases, including the Surveillance Epidemiology and End Results (SEER) program, show racial/ethnic differences in risk and survival of epithelial ovarian cancer with higher incidence among white women yet worse survival among African-American women compared to other racial/ethnic groups. The reasons for these differences are not well understood, but are likely multi-factorial. Epidemiologic studies suggest there may be some risk factor differences across racial/ethnic groups that would explain differences in the incidence of this rare and heterogeneous disease. Likewise, although data suggest that socioeconomic factors and access to care contribute to the disparity in ovarian cancer survival among African-American women, there are likely other contributing factors that have not as of yet been identified. Small sample sizes of minority women from individual studies do not provide adequate power to evaluate fully the contributions of environmental, genetic, and clinical factors associated with ovarian cancer risk and survival within these groups. Pooling existing data from individual epidemiologic studies has made a valuable contribution; however, new data collection is warranted to further our understanding of the underpinnings of the disparities in ovarian cancer that may lead to prevention and improved survival across all racial/ethnic groups.
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