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Transcriptome analysis of basal and luminal tumor-initiating cells in ErbB2-driven breast cancer
Journal article   Open access   Peer reviewed

Transcriptome analysis of basal and luminal tumor-initiating cells in ErbB2-driven breast cancer

Nicholas Borcherding, Nicholas Bormann, David Kusner, Ryan Kolb and Weizhou Zhang
Genomics data, Vol.4(C), pp.119-122
06/2015
DOI: 10.1016/j.gdata.2015.04.008
PMCID: PMC4493742
PMID: 26167451
url
https://doi.org/10.1016/j.gdata.2015.04.008View
Published (Version of record) Open Access

Abstract

Breast cancer is the leading cause of cancer-related mortality for females worldwide [1]. Improving early screening strategies and understanding the events that lead to tumor initiation have led to demonstrable improvements in clinical outcome. Our previous work revealed a variance in the tumorigenic capacity between different mammary epithelial cell populations in an MMTV-ErbB2 mouse model. In order to greater understand how different mammary epithelial cells influence the tumorigenic capacity in ErbB2-induced breast cancer, we transplanted different cell populations from pre-neoplastic MMTV-ErbB2 female mice into recipient mice for tumorigenic study. We found that different mammary epithelial cells bear different tumorigenic potentials even when induced by the same ErbB2 proto-oncogene. To understand the difference in tumors formed from different epithelial cells, we performed gene expression profiling using these tumors (GSE64487). Several genes were further validated using real-time reverse transcription polymerase chain reaction (RT-PCR). Here we provide further details on the experimental methods and microarray analysis. This data provides a resource to further understanding how different mammary cell populations can initiate ErbB2-driven tumors and the role of these cell populations as putative tumor-initiating cells (TICs).
Breast Cancer Tumor-initiating cells Myoepithelial cells Luminal progenitors Mammary stem cells

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