Cited by 144BRCA gene mutations in cancerPancreatic and Hepatic Oncology ResearchGenetic factors in colorectal cancer

Prevalence of germ-line mutations in cancer genes among pancreatic cancer patients with a positive family history

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Chaffee, Kari G., Oberg, Ann L., McWilliams, Robert R., Majithia, Neil, Allen, Brian A., Kidd, John, Singh, Nanda, Hartman, Anne-Renee +2 more·2018·Genetics in Medicine

Abstract

PurposePanel-based genetic testing has identified increasing numbers of patients with pancreatic ductal adenocarcinoma (PDAC) who carry germ-line mutations. However, small sample sizes or number of genes evaluated limit prevalence estimates of these mutations. We estimated prevalence of mutations in PDAC patients with positive family history.MethodsWe sequenced 25 cancer susceptibility genes in lymphocyte DNA from 302 PDAC patients in the Mayo Clinic Biospecimen Resource for Pancreatic Research Registry. Kindreds containing at least two first-degree relatives with PDAC met criteria for familial pancreatic cancer (FPC), while the remaining were familial, but not FPC.ResultsThirty-six patients (12%) carried at least one deleterious mutation in one of 11 genes. Of FPC patients, 25/185 (14%) were carriers, while 11/117 (9%) non-FPC patients with family history were carriers. Deleterious mutations (n) identified in PDAC patients were BRCA2 (11), ATM (8), CDKN2A (4), CHEK2 (4), MUTYH/MYH (3 heterozygotes, not biallelic), BRCA1 (2), and 1 each in BARD1, MSH2, NBN, PALB2, and PMS2. Novel mutations were found in ATM, BARD1, and PMS2.ConclusionMultiple susceptibility gene testing in PDAC patients with family history of pancreatic cancer is warranted regardless of FPC status and will inform genetic risk counseling for families.

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Authors
Chaffee, K. G., Oberg, A. L., McWilliams, R. R., Majithia, N., Allen, B. A., Kidd, J., Singh, N., Hartman, A.-R., Wenstrup, R. J., & Petersen, G. M.
Affiliations
  • Mayo Clinic (US)
  • Myriad Genetics (US)
Corresponding author
Petersen, Gloria M.
Venue
Genetics in Medicine
Publisher
Elsevier BV
Published
2018-01
Volume
20
Issue
1
Pages
119-127
ISSN
1098-3600 (ISSN-L)
OpenAlex
W2738571634
Cited by
144
References
38
Citations by year
2026: 5 · 2025: 13 · 2024: 15 · 2023: 23 · 2022: 19 · 2021: 34 · 2020: 14 · 2019: 10 · 2018: 9 · 2017: 2
FWCI
6.35
Type
journal article
Language
en
Open access
Locations
  • Genetics in Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (CA102701)
  • National Cancer Institute (CA102701, R01CA-97075, P50CA102701, R01CA097075)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Health Sciences › Medicine › Oncology › Pancreatic and Hepatic Oncology Research
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
Keywords
pancreatic ductal adenocarcinoma, germline mutations, cancer susceptibility genes, familial pancreatic cancer, family history (medicine), mutation prevalence, BRCA2, ATM, CDKN2A, CHEK2, MUTYH, BARD1, PMS2, novel mutations
MeSH terms
Adult, Aged, Aged, 80 and over, Alleles, Carcinoma, Female, Genetic Testing, Genotype, Humans, Male, Middle Aged, Pancreatic Neoplasms, Registries, United States, Prevalence, Germ-Line Mutation, Genetic Predisposition to Disease, High-Throughput Nucleotide Sequencing

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