Cited by 299BRCA gene mutations in cancerPancreatic and Hepatic Oncology ResearchGenetic factors in colorectal cancer

Prevalence of Germline Mutations in Cancer Predisposition Genes in Patients With Pancreatic Cancer

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Grant, Robert C., Selander, Iris, Connor, Ashton A., Selvarajah, Shamini, Borgida, Ayelet, Briollais, Laurent, Petersen, Gloria M., Lerner-Ellis, Jordan +2 more·2015·Gastroenterology

Abstract

Background & aims We investigated the prevalence of germline mutations in APC, ATM, BRCA1, BRCA2, CDKN2A, MLH1, MSH2, MSH6, PALB2, PMS2, PRSS1, STK11, and TP53 in patients with pancreatic cancer.Methods The Ontario Pancreas Cancer Study enrolls consenting participants with pancreatic cancer from a province-wide electronic pathology database; 708 probands were enrolled from April 2003 through August 2012. To improve the precision of BRCA2 prevalence estimates, 290 probands were selected from 3 strata, based on family history of breast and/or ovarian cancer, pancreatic cancer, or neither. Germline DNA was analyzed by next-generation sequencing using a custom multiple-gene panel. Mutation prevalence estimates were calculated from the sample for the entire cohort.Results Eleven pathogenic mutations were identified: 3 in ATM, 1 in BRCA1, 2 in BRCA2, 1 in MLH1, 2 in MSH2, 1 in MSH6, and 1 in TP53. The prevalence of mutations in all 13 genes was 3.8% (95% confidence interval, 2.1%-5.6%). Carrier status was associated significantly with breast cancer in the proband or first-degree relative (P < .01), and with colorectal cancer in the proband or first-degree relative (P < .01), but not family history of pancreatic cancer, age at diagnosis, or stage at diagnosis. Of patients with a personal or family history of breast and colorectal cancer, 10.7% (95% confidence interval, 4.4%-17.0%) and 11.1% (95% confidence interval, 3.0%-19.1%) carried pathogenic mutations, respectively.Conclusions A small but clinically important proportion of pancreatic cancer is associated with mutations in known predisposition genes. The heterogeneity of mutations identified in this study shows the value of using a multiple-gene panel in pancreatic cancer.

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Crossref · 10.1053/j.gastro.2014.11.042

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  • Genomic risk contributes to up to 8% of PDAC cases.

    “Recent studies estimate that genomic risk contributes to up to 8% of PDAC cases,180–184”

    From Artificial Intelligence and Early Detection of Pancreatic Cancer: 2020 Summative Review (2021) · cites this paper as [183]

    The Discussion (page unavailable) reports germline mutations in cancer-predisposition genes in 3.8% of patients with pancreatic cancer, supporting a genetic contribution. It does not estimate an 8% contribution to PDAC cases; its near-10% figure applies only to patients with a personal or first-degree family history of breast or colorectal cancer. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Classic medical history features (young age at PDAC diagnosis and family history of pancreatic or other cancers) have poor sensitivity in identifying individuals at high genomic risk for pancreatic cancer.

    “However, these classic features have poor sensitivity in identifying individuals at high genomic risk for pancreatic cancer.182–185”

    From Artificial Intelligence and Early Detection of Pancreatic Cancer: 2020 Summative Review (2021) · cites this paper as [183]

    The Discussion (page unavailable) says classic personal and family history was absent in several mutation carriers, and the Results report no association with age at diagnosis or family history of pancreatic cancer. But the Results also say most carriers had some family history of cancer and that breast or colorectal cancer history was significantly associated with carrier status. The blanket claim that family history of other cancers has poor sensitivity is therefore broader than this paper establishes. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Deleterious variants in known pancreatic cancer susceptibility genes account for about 10-20% of familial clustering of pancreatic cancer.

    “Deleterious variants in the known pancreatic cancer susceptibility genes account for ~10–20% of the familial clustering of pancreatic cancer.”
  • Predisposition to MPM is very heterogeneous, similar to that reported for pancreatic cancer and other cancer types.

    “Our data show, for the first time, that predisposition to MPM is very heterogeneous, similar to that reported for pancreatic cancer and other cancer types [17,18,38].”

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Research works printed but not linked: 8

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Authors
Grant, R. C., Selander, I., Connor, A. A., Selvarajah, S., Borgida, A., Briollais, L., Petersen, G. M., Lerner-Ellis, J., Holter, S., & Gallinger, S.
Affiliations
  • Ontario Institute for Cancer Research (CA)
  • Mount Sinai Hospital (CA)
  • University Health Network (CA)
  • University of Toronto (CA)
  • Mayo Clinic (US)
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2015-03
Volume
148
Issue
3
Pages
556-564
ISSN
0016-5085 (ISSN-L)
OpenAlex
W2147918436
Cited by
299
References
59
Citations by year
2026: 12 · 2025: 10 · 2024: 15 · 2023: 21 · 2022: 28 · 2021: 48 · 2020: 31 · 2019: 31 · 2018: 28 · 2017: 29 · 2016: 26 · 2015: 20
FWCI
16.22
Type
journal article
Language
en
Open access
Locations
  • Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Cancer Institute (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 cancer, germline mutations, cancer susceptibility genes, BRCA1, BRCA2, ATM, CDKN2A, TP53, mismatch repair genes, hereditary cancer, breast cancer, colorectal cancer, mutation prevalence, family history (medicine)
MeSH terms
Esophageal Achalasia, Hepatitis, Alcoholic, Humans, Pancreatic Neoplasms, Liver Transplantation, Genes, Neoplasm, Nitric Oxide Synthase Type I, Non-alcoholic Fatty Liver Disease

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