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BRCA2 germline mutations in Swedish breast cancer families

BRCA2 germline mutations in Swedish breast cancer families Mutations in the breast cancer susceptibility gene (BRCA2) are believed to be responsible for a significant fraction of hereditary breast cancer. To determine the BRCA2 mutation spectrum in a subset of Swedish breast cancer families, 162 families were screened for germline mutations in this gene. A combination of RT-PCR, PTT and direct DNA sequencing was used. Two mutations and one previously reported polymorphic variant resulting in a truncated protein were identified. Our data suggest that only a small proportion of Swedish breast cancer families is attributable to BRCA2 germline mutations. This result, in combination with the low frequency of BRCA1 germline mutations identified in our previous study, suggests additional high penetrant as well as low penetrant breast cancer susceptibility genes are involved in familial breast cancer. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Human Genetics Springer Journals

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References (22)

Publisher
Springer Journals
Copyright
Copyright © 1998 by Macmillan Publishers Limited
Subject
Biomedicine; Biomedicine, general; Human Genetics; Bioinformatics; Gene Expression; Cytogenetics
ISSN
1018-4813
eISSN
1476-5438
DOI
10.1038/sj.ejhg.5200167
Publisher site
See Article on Publisher Site

Abstract

Mutations in the breast cancer susceptibility gene (BRCA2) are believed to be responsible for a significant fraction of hereditary breast cancer. To determine the BRCA2 mutation spectrum in a subset of Swedish breast cancer families, 162 families were screened for germline mutations in this gene. A combination of RT-PCR, PTT and direct DNA sequencing was used. Two mutations and one previously reported polymorphic variant resulting in a truncated protein were identified. Our data suggest that only a small proportion of Swedish breast cancer families is attributable to BRCA2 germline mutations. This result, in combination with the low frequency of BRCA1 germline mutations identified in our previous study, suggests additional high penetrant as well as low penetrant breast cancer susceptibility genes are involved in familial breast cancer.

Journal

European Journal of Human GeneticsSpringer Journals

Published: Apr 21, 1998

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