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"Hereditary breast and ovarian cancer in Cyprus: identification of a founder BRCA2 mutation." |
Hadjisavvas A, Charalambous E, Adamou A, Neuhausen SL, Christodoulou CG, Kyriacou K |
Published June 1, 2004 in Cancer Genet Cytogenet volume 151 .
Pubmed ID: 15172753
Abstract:
| The entire coding regions of the two breast cancer susceptibility genes BRCA1 and BRCA2 from breast cancer patients from 40 Cypriot families with multiple cases of breast and ovarian cancer were sequenced. A total of four protein-truncating mutations were found in six families. In BRCA1, a novel truncating mutation 5429delG was found in exon 21. In BRCA2, three truncating mutations were detected: a frameshift 8984delG in exon 22 and two nonsense mutations C1913X in exon 11 and K3326X in exon 27. It is noted that mutation 8984delG was found in three separate families, and haplotype analysis showed that this may be a founder mutation in the Cypriot population. In addition, a pair of rare variants, Q356R and S1512I, was detected in BRCA1 in patients belonging to two Cypriot families. The simultaneous presence of this pair of missense mutations may be associated with the breast cancer phenotype in the Cypriot population. We conclude that the BRCA2 gene appears to play a more important role in familial breast cancer in the Cypriot population than BRCA1. |
This publication refers to following REPAIRtoire entries:
| Proteins |
Last modification of this entry: Oct. 6, 2010
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