Prognostic and Predictive Values of Long Non-coding RNA LINC00472 in Breast Cancer

Overview

Journal Oncotarget

Specialty Oncology

Date 2015 Apr 14

PMID 25865225

Citations 49

Authors

Yi Shen

Dionyssios Katsaros

Lenora W M Loo

Brenda Y Hernandez

Clayton Chong

Emilie Marion Canuto

Nicoletta Biglia

Lingeng Lu

Harvey Risch

Wen-Ming Chu

Herbert Yu

Affiliations

Soon will be listed here.

Abstract

LINC00472 is a novel long intergenic non-coding RNA. We evaluated LINC00472 expression in breast tumor samples using RT-qPCR, performed a meta-analysis of over 20 microarray datasets from the Gene Expression Omnibus (GEO) database, and investigated the effect of LINC00472 expression on cell proliferation and migration in breast cancer cells transfected with a LINC00472-expressing vector. Our qPCR results showed that high LINC00472 expression was associated with less aggressive breast tumors and more favorable disease outcomes. Patients with high expression of LINC00472 had significantly reduced risk of relapse and death compared to those with low expression. Patients with high LINC00472 expression also had better responses to adjuvant chemo- or hormonal therapy than did patients with low expression. Results of meta-analysis on multiple studies from the GEO database were in agreement with the findings of our study. High LINC00472 was also associated with favorable molecular subtypes, Luminal A or normal-like tumors. Cell culture experiments showed that up-regulation of LINC00472 expression could suppress breast cancer cell proliferation and migration. Collectively, our clinical and in vitro studies suggest that LINC00472 is a tumor suppressor in breast cancer. Evaluating this long non-coding RNA in breast tumors may have prognostic and predictive value in the clinical management of breast cancer.

Citing Articles

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