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Genet Test. 2000;4(1):49-54.

Exon deletions and duplications in BRCA1 detected by semiquantitative PCR.

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  • 1Yorkshire Regional DNA Laboratory, St. James's University Hospital, Leeds, UK.

Abstract

rearrangements have recently been identified in the BRCA1 gene. Inclusion of a method for identifying such rearrangements should now be a prerequisite for providing a comprehensive mutation detection strategy. We have developed a semiquantitative PCR-based fluorescent assay for the detection of previously identified deletions. This method avoids the need for long PCR or Southern blotting and is suitable for large-scale epidemiological studies. The assay was used to screen 44 high-risk families within the U.K. Yorkshire Health Region. No deletions were detected, but five cases (11%) with an apparent duplication of exon 13 in BRCA1 were identified. The presence of this mutation was confirmed by long PCR. Further developments include extending the assay to include all exons of BRCA1.

PMID:
10794361
[PubMed - indexed for MEDLINE]
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