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pubmed:abstractText |
We have performed linkage analysis with five markers for the chromosome region 17q12-q21 in 13 Dutch breast cancer kindreds in order to find support for the claim by Hall et al. that a gene in this region, termed "BRCA1," is associated with predisposition to early-onset familial breast cancer. This work is part of a collaborative study, the results of which are published elsewhere in this issue. Best evidence for linkage was observed with the marker CMM86 (D17S74) in pedigrees with an average age at onset of < or = 47 years (LOD score = 1.77 at 1% recombination). In one breast-ovarian cancer family with a high probability of being linked to 17q, we observed one putative recombinant between D17S250 and D17S579, which suggests that BRCA1 is proximal to D17S579.
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