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A novel de novo BRCA1 mutation in a Chinese woman with early onset breast cancer

A novel de novo BRCA1 mutation in a Chinese woman with early onset breast cancer Germline mutations in the two breast cancer susceptibility genes, BRCA1 and BRCA2 account for a significant portion of hereditary breast/ovarian cancer. De novo mutations such as multiple exon deletion are rarely occurred in BRCA1 and BRCA2. During our mutation screening for BRCA1/2 genes to Chinese women with risk factors for hereditary breast/ovarian cancer, we identified a novel germline mutation, consisting of a deletion from exons 1 to 12 in BRCA1 gene, in a patient diagnosed with early onset triple negative breast cancer with no family history of cancer. None of her parents carried the mutation and molecular analysis showed that this novel de novo germline mutation resulted in down-regulation of BRCA1 gene expression. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Familial Cancer Springer Journals

A novel de novo BRCA1 mutation in a Chinese woman with early onset breast cancer

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References (27)

Publisher
Springer Journals
Copyright
Copyright © 2011 by The Author(s)
Subject
Biomedicine; Cancer Research ; Biomedicine general; Epidemiology; Human Genetics
ISSN
1389-9600
eISSN
1573-7292
DOI
10.1007/s10689-011-9429-y
pmid
21404118
Publisher site
See Article on Publisher Site

Abstract

Germline mutations in the two breast cancer susceptibility genes, BRCA1 and BRCA2 account for a significant portion of hereditary breast/ovarian cancer. De novo mutations such as multiple exon deletion are rarely occurred in BRCA1 and BRCA2. During our mutation screening for BRCA1/2 genes to Chinese women with risk factors for hereditary breast/ovarian cancer, we identified a novel germline mutation, consisting of a deletion from exons 1 to 12 in BRCA1 gene, in a patient diagnosed with early onset triple negative breast cancer with no family history of cancer. None of her parents carried the mutation and molecular analysis showed that this novel de novo germline mutation resulted in down-regulation of BRCA1 gene expression.

Journal

Familial CancerSpringer Journals

Published: Mar 15, 2011

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