Abstract:
:Breast cancer is a heterogeneous disease and can be classified based on gene expression profiles that reflect distinct epithelial subtypes. We identify prostate-derived ETS factor (PDEF) as a mediator of mammary luminal epithelial lineage-specific gene expression and as a factor required for tumorigenesis in a subset of breast cancers. PDEF levels strongly correlate with estrogen receptor (ER)-positive luminal breast cancer, and PDEF transcription is inversely regulated by ER and GATA3. Furthermore, PDEF is essential for luminal breast cancer cell survival and is required in models of endocrine resistance. These results offer insights into the function of this ETS factor that are clinically relevant and may be of therapeutic value for patients with breast cancer treated with endocrine therapy.
journal_name
Cancer Celljournal_title
Cancer cellauthors
Buchwalter G,Hickey MM,Cromer A,Selfors LM,Gunawardane RN,Frishman J,Jeselsohn R,Lim E,Chi D,Fu X,Schiff R,Brown M,Brugge JSdoi
10.1016/j.ccr.2013.04.026subject
Has Abstractpub_date
2013-06-10 00:00:00pages
753-67issue
6eissn
1535-6108issn
1878-3686pii
S1535-6108(13)00190-6journal_volume
23pub_type
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