ArticleFamilial cancer2005
Lack of germ-line mutations at the specific BRCA1-IRIS coding sequence in 114 Spanish high-risk breast/ovarian families.
Article in Familial cancer, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors at 1 institution in 1 country.
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Abstract
A new BRCA1 locus product called BRCA1-IRIS has been identified recently. High-risk breast/ovarian families have not been screened for germ-line mutations at the specific BRCA1-IRIS coding sequence, as it was considered merely as part of BRCA1 intron 11. Here we report the first comprehensive screening of germ-line mutations in a cohort of 116 index cases from high-risk breast/ovarian families in which no germ-line mutation was identified in BRCA1 or BRCA2. We did not find germ-line mutations at the specific BRCA1-IRIS coding sequence in any sample. The only heterozygous patter identified by DGGE was caused by a C to A substitution in the non-coding 3' sequence, 123 bases downstream of the BRCA1-IRIS stop codon (IVS11+268C/A). The data indicates that it is probably a neutral change not associated with cancer risk. Our analysis suggests that the role of germ-line mutations at the specific BRCA1-IRIS sequence in breast cancer susceptibility, if any, is marginal and do not explain a significant fraction of high-risk breast/ovarian families, at least in the population analyzed.
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