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Published in: Breast Cancer Research and Treatment 3/2011

01-06-2011 | Brief Report

Germline mutational analysis of the C19orf62 gene in African-American women with breast cancer

Authors: Yonglan Zheng, Jing Zhang, Qun Niu, Olufunmilayo I. Olopade, Dezheng Huo

Published in: Breast Cancer Research and Treatment | Issue 3/2011

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Abstract

The past two decades have seen steady progress in the field of breast cancer genetics as we continually increase our understanding of how tumorigenesis results from damaged DNA. While BRCA1 and BRCA2 have taken center stage as indicators for breast cancer risk, we continue to identify other susceptibility genes and genomic regions, ever increasing our comprehension of breast cancer etiology. Through genome-wide association studies (GWAS), the 19p13 locus was found to contribute to breast and ovarian cancer risk. This region harbors a gene called C19orf62 whose protein has been reported to be a pivotal component in DNA damage repair. In this study, complete sequencing was performed to screen for deleterious mutations in the C19orf62 gene. In our cohort of 110 familial and 144 nonfamilial African-American breast cancer female patients, we identified 35 DNA sequence variants, including four missense variants, which appeared unlikely to be disease-causing. We did not detect deleterious frameshift truncating or nonsense mutations in this cohort. Our findings suggest that germline deleterious mutations in C19orf62 should be rare or absent in familial and nonfamilial breast cancer women. However, the possibility that mutations in C19orf62 contribute to breast cancer risk warrants further studies in large diverse populations.
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Metadata
Title
Germline mutational analysis of the C19orf62 gene in African-American women with breast cancer
Authors
Yonglan Zheng
Jing Zhang
Qun Niu
Olufunmilayo I. Olopade
Dezheng Huo
Publication date
01-06-2011
Publisher
Springer US
Published in
Breast Cancer Research and Treatment / Issue 3/2011
Print ISSN: 0167-6806
Electronic ISSN: 1573-7217
DOI
https://doi.org/10.1007/s10549-011-1445-y

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