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Genome-wide study of ER-regulated lncRNAs shows AP000439.3 may function as a key regulator of cell cycle in breast cancer. | LitMetric

Genome-wide study of ER-regulated lncRNAs shows AP000439.3 may function as a key regulator of cell cycle in breast cancer.

Oncol Rep

Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China.

Published: November 2017

AI Article Synopsis

Article Abstract

Estrogen receptor (ER) plays important roles in cell growth, development and tumorigenesis. Although ER-regulated genes have been extensively investigated, little is known about roles of ER-regulated lncRNAs in breast cancer. Here, we conducted genome-wide study of ER-regulated lncRNAs by using RNA-seq, ChIP-seq and TCGA data. A total of identified 114 ER-regulated lncRNAs were identified, many of them were overexpressed in ER+ breast cancer and co-expressed with some key regulators. Silencing one of most prominent lncRNA, AP000439.3, resulted in inhibition of cell cycle progression and proliferation. Further study revealed AP000439.3 can regulate expression of CCND1 through enhancing estrogen receptor induction of CCND1. This finding revealed lncRNAs may serve as important effectors of ER in regulation of gene expression and cell phenotype in breast cancer.

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Source
http://dx.doi.org/10.3892/or.2017.5975DOI Listing

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