Study

MicroRNA expression in malignant and benign breast tissue – the Norwegian Women and Cancer study

Study ID Alternative Stable ID Type
EGAS00001002671 Other

Study Description

The Norwegian Women and Cancer study (NOWAC) is a prospective study which started in 1991 and includes 172 000 Norwegian women aged 30-70 years. The study is based on questionnaires with information on variables of importance to breast cancer risk. Later, about 49 500 samples of peripheral blood have been collected (the NOWAC postgenome cohort). Participants in the NOWAC postgenome cohort with a diagnosis of breast cancer have been identified, and breast cancer cases in Northern Norway diagnosed in 2004-2008 were included in this pilot study. Formalin-fixed paraffin-embedded (FFPE) tumor tissue was retrieved from the pathology labs, tissue cores were collected and RNA extracted. As normal controls, FFPE tissue from benign breast specimens (breast reductions) was included in the study. Microarray analyses of microRNA expression were perfomed by Exiqon using the 7th generation miRCURY LNA microRNA microarray system.od- to be deleted

Study Datasets 1 dataset.

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Dataset ID Description Technology Samples
EGAD00010001406
Breast cancer tissue and controls
Exiqon 7th generation miRCURY LNA microRNA microarray system 149

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