Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of human histologically normal breast tissues reveals proliferative genes dominate malignancy-risk gene signature


ABSTRACT: Analysis of 143 completely histologically-normal breast tissues resulted in the identification of a “malignancy risk” gene signature that may serve as a marker of subsequent risk of breast cancer development. Experiment Overall Design: RNA was extracted from microdissected frozen breast tissues for gene array analysis

ORGANISM(S): Homo sapiens

SUBMITTER: Dung-Tsa Chen 

PROVIDER: E-GEOD-10780 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Proliferative genes dominate malignancy-risk gene signature in histologically-normal breast tissue.

Chen Dung-Tsa DT   Nasir Aejaz A   Culhane Aedin A   Venkataramu Chinnambally C   Fulp William W   Rubio Renee R   Wang Tao T   Agrawal Deepak D   McCarthy Susan M SM   Gruidl Mike M   Bloom Gregory G   Anderson Tove T   White Joe J   Quackenbush John J   Yeatman Timothy T  

Breast cancer research and treatment 20090306 2


Historical data have indicated the potential for the histologically-normal breast to harbor pre-malignant changes at the molecular level. We postulated that a histologically-normal tissue with "tumor-like" gene expression pattern might harbor substantial risk for future cancer development. Genes associated with these high-risk tissues were considered to be "malignancy-risk genes". From a total of 90 breast cancer patients, we collected a set of 143 histologically-normal breast tissues derived fr  ...[more]

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