Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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CGH profiles of primary breast carcinomas from HBOC (Hereditary Breast and Ovarian Cancer) families


ABSTRACT: 89 tumors from women that were eligible for, and subjected to, routine diagnostic testing according to the HBOC criteria but were negative for pathogenic BRCA1/2-mutations or carried an UV in either BRCA1/2 A BRCA2-classifier was built using array-CGH profiles of 28 BRCA2-mutated and 28 sporadic breast tumors. The classifier was validated on an independent group of 19 BRCA2-mutated and 19 sporadic breast tumors. Subsequently, we tested 89 breast tumors from suspected hereditary breast (and ovarian) cancer (HBOC) families, in which either no BRCA1/2 mutation or an UV had been found by routine diagnostics.

ORGANISM(S): Homo sapiens

SUBMITTER: Simon Joosse 

PROVIDER: E-GEOD-22481 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Prediction of BRCA2-association in hereditary breast carcinomas using array-CGH.

Joosse Simon A SA   Brandwijk Kim I M KI   Devilee Peter P   Wesseling Jelle J   Hogervorst Frans B L FB   Verhoef Senno S   Nederlof Petra M PM  

Breast cancer research and treatment 20100708 2


Germline mutations in BRCA1/2 increase the lifetime risk for breast and ovarian cancer dramatically. Identification of such mutations is important for optimal treatment decisions and pre-symptomatic mutation screening in family members. Although current DNA diagnostics is able to identify many different mutations, it remains unclear, how many BRCA2-associated breast cancer cases remain unidentified as such. In addition, mutation scanning detects many unclassified variants (UV) for which the clin  ...[more]

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