Abstract

Long noncoding RNAs (lncRNAs) have emerged as potent regulators of breast cancer development and progression, including the metastatic spread of disease. Through in silico and biological analyses, we identified a novel lncRNA, BMP/OP-Responsive Gene (BORG), whose expression directly correlates with aggressive breast cancer phenotypes, as well as with metastatic competence and disease recurrence in multiple clinical cohorts. Mechanistically, BORG elicits the metastatic outgrowth of latent breast cancer cells by promoting the localization and transcriptional repressive activity of TRIM28, which binds BORG and induces substantial alterations in carcinoma proliferation and survival. Moreover, inhibiting BORG expression in metastatic breast cancer cells impedes their metastatic colonization of the lungs of mice, implying that BORG acts as a novel driver of the genetic and epigenetic alterations that underlie the acquisition of metastatic and recurrent phenotypes by breast cancer cells.

Details

Title
The lncRNA BORG Drives Breast Cancer Metastasis and Disease Recurrence
Author
Gooding, Alex J 1 ; Zhang, Bing 2 ; Jahanbani, Fereshteh Kenari 2 ; Gilmore, Hannah L 3 ; Chang, Jenny C 4 ; Valadkhan, Saba 2 ; Schiemann, William P 1 

 Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA 
 Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, OH, USA 
 Department of Pathology, University Hospitals, Case Medical Center and Case Western Reserve University, Cleveland, OH, USA 
 Houston Methodist Research Center, Houston, TX, USA 
Pages
1-18
Publication year
2017
Publication date
Oct 2017
Publisher
Nature Publishing Group
e-ISSN
20452322
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
1957851542
Copyright
© 2017. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.