Neidhardt, Guido, Hauke, Jan, Ramser, Juliane, Gross, Eva, Gehrig, Andrea, Mueller, Clemens R., Kahlert, Anne-Karin, Hackmann, Karl, Honisch, Ellen, Niederacher, Dieter, Heilmann-Heimbach, Stefanie ORCID: 0000-0003-1057-465X, Franke, Andre ORCID: 0000-0003-1530-5811, Lieb, Wolfgang, Thiele, Holger, Altmueller, Janine, Nuernberg, Peter, Klaschik, Kristina, Ernst, Corinna, Ditsch, Nina, Jessen, Frank, Ramirez, Alfredo ORCID: 0000-0003-4991-763X, Wappenschmidt, Barbara, Engel, Christoph ORCID: 0000-0002-7247-282X, Rhiem, Kerstin, Meindl, Alfons, Schmutzler, Rita K. and Hahnen, Eric (2017). Association Between Loss-of-Function Mutations Within the FANCM Gene and Early-Onset Familial Breast Cancer. JAMA Oncol., 3 (9). S. 1245 - 1249. CHICAGO: AMER MEDICAL ASSOC. ISSN 2374-2445

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Abstract

IMPORTANCE Germline mutations in established moderately or highly penetrant risk genes for breast cancer (BC) and/or ovarian cancer (OC), including BRCA1 and BRCA2, explain fewer than half of all familial BC and/or OC cases. Based on the genotyping of 2 loss-of-function (LoF) variants c.5101C>T (p.GIn1701Ter [rs147021911]) and c.5791C>T (p.Arg1931Ter [rs144567652]), the FANCM gene has been suggested as a novel BC predisposition gene, while the analysis of the entire coding region of the FANCM gene in familial index cases and geographically matched controls is pending. OBJECTIVES To assess the mutational spectrum within the FANCM gene, and to determine a potential association of LoF germline mutations within the FANCM gene with BC and/or OC risk. DESIGN, SETTING, AND PARTICIPANTS For the purpose of identification and characterization of novel BC and/or OC predisposition genes, a total of 2047 well-characterized familial BC index cases, 628 OC cases, and 2187 geographically matched controls were screened for LoF mutations within the FANCM gene by next-generation sequencing. All patients previously tested negative for pathogenic BRCA1 and BRCA2 mutations. All data collection occurred between June 1, 2013, and April 30, 2016. Data analysis was performed from May 1, 2016, to July 1, 2016. MAIN OUTCOMES AND MEASURES FANCM LoF mutation frequencies in patients with BC and/or OC were compared with the FANCM LoF mutation frequencies in geographically matched controls by univariate logistic regression. Positive associations were stratified by age at onset and cancer family history. RESULTS In this case-control study, 2047 well-characterized familial female BC index cases, 628 OC cases, and 2187 geographically matched controls were screened for truncating FANCM alterations. Heterozygous LoF mutations within the FANCM gene were significantly associated with familial BC risk, with an overall odds ratio (OR) of 2.05 (95% CI, 0.94-4.54; P = .049) and a mutation frequency of 1.03% in index cases. In familial patients whose BC onset was before age 51 years, an elevated OR of 2.44 (95% CI, 1.08-5.59; P = .02) was observed. A more pronounced association was identified for patients with a triple-negative BC tumor phenotype (OR, 3.75; 95% CI, 1.00-12.85; P = .02). No significant association was detected for unselected OC cases (OR, 1.74; 95% CI, 0.57-5.08; P = .27). CONCLUSIONS AND RELEVANCE Based on the significant associations of heterozygous LoF mutations with early-onset or triple-negative BC, FANCM should be included in diagnostic gene panel testing for individual risk assessment. Larger studies are required to determine age-dependent disease risks for BC and to assess a potential role of FANCM mutations in OC pathogenesis.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Neidhardt, GuidoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hauke, JanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ramser, JulianeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gross, EvaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gehrig, AndreaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mueller, Clemens R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kahlert, Anne-KarinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hackmann, KarlUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Honisch, EllenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Niederacher, DieterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heilmann-Heimbach, StefanieUNSPECIFIEDorcid.org/0000-0003-1057-465XUNSPECIFIED
Franke, AndreUNSPECIFIEDorcid.org/0000-0003-1530-5811UNSPECIFIED
Lieb, WolfgangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thiele, HolgerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Altmueller, JanineUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nuernberg, PeterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Klaschik, KristinaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ernst, CorinnaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ditsch, NinaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jessen, FrankUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ramirez, AlfredoUNSPECIFIEDorcid.org/0000-0003-4991-763XUNSPECIFIED
Wappenschmidt, BarbaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Engel, ChristophUNSPECIFIEDorcid.org/0000-0002-7247-282XUNSPECIFIED
Rhiem, KerstinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Meindl, AlfonsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmutzler, Rita K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hahnen, EricUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-219844
DOI: 10.1001/jamaoncol.2016.5592
Journal or Publication Title: JAMA Oncol.
Volume: 3
Number: 9
Page Range: S. 1245 - 1249
Date: 2017
Publisher: AMER MEDICAL ASSOC
Place of Publication: CHICAGO
ISSN: 2374-2445
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SUSCEPTIBILITY GENE; RISKMultiple languages
OncologyMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/21984

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