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  • Title: BRCA1 and BRCA2 germline mutations in Korean breast cancer patients at high risk of carrying mutations.
    Author: Ahn SH, Son BH, Yoon KS, Noh DY, Han W, Kim SW, Lee ES, Park HL, Hong YJ, Choi JJ, Moon SY, Kim MJ, Kim KH, Kwak BS, Cho DY.
    Journal: Cancer Lett; 2007 Jan 08; 245(1-2):90-5. PubMed ID: 16455195.
    Abstract:
    We analyzed the mutation spectrum of BRCA1 and BRCA2 genes in 354 Korean breast cancer patients. Overall, 40 patients carried 25 distinct BRCA1/2 mutations including 12 novel mutations. Seven district mutations were found in multiple unrelated patients, with the BRCA2 c.7480C>T mutation detected in eight unrelated patients, accounting for 50% of the mutations detected in BRCA2. The large number (25/40, 62.5%) of recurrent mutations suggests the possibility of developing a simple screening test for these mutations. The frequency of mutations was related to the number and kinds of risk factors, varying from 10.4 to 25% in the five major risk factor groups. The frequency of BRCA mutations in patients with two or more risk factors was markedly higher than that in patients with one risk factor.
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