Unknown,Transcriptomics,Genomics,Proteomics

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Real-time quantitative PCR analysis of hormone-receptor-negative primary breast tumors


ABSTRACT: Total RNA was extracted from FFPE samples of 139 chemotherapy-naïve hormone-receptor-negative breast cancers pooled from three sample sources and assayed for the expression of 21 genes within two previously reported microarray-derived prognostic signatures in 6 RT-PCR multiplexes. RT-PCR gene expression profiling. Total RNA was extracted from 10 micron FFPE sections, and expression levels of the 21 genes of interest plus two reference genes were quantified with 6 multiplex RT-PCR TaqMan assays.

ORGANISM(S): Homo sapiens

SUBMITTER: Christina Yau 

PROVIDER: E-GEOD-51630 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

An optimized five-gene multi-platform predictor of hormone receptor negative and triple negative breast cancer metastatic risk.

Yau Christina C   Sninsky John J   Kwok Shirley S   Wang Alice A   Degnim Amy A   Ingle James N JN   Gillett Cheryl C   Tutt Andrew A   Waldman Fred F   Moore Dan D   Esserman Laura L   Benz Christopher C CC  

Breast cancer research : BCR 20130101 5


<h4>Introduction</h4>Outcome predictors in use today are prognostic only for hormone receptor-positive (HRpos) breast cancer. Although microarray-derived multigene predictors of hormone receptor-negative (HRneg) and/or triple negative (Tneg) breast cancer recurrence risk are emerging, to date none have been transferred to clinically suitable assay platforms (for example, RT-PCR) or validated against formalin-fixed paraffin-embedded (FFPE) HRneg/Tneg samples.<h4>Methods</h4>Multiplexed RT-PCR was  ...[more]

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