The long non-coding RNA PCSEAT exhibits an oncogenic property in prostate cancer and functions as a competing endogenous RNA that associates with EZH2

The long non-coding RNA PCSEAT exhibits an oncogenic property in prostate cancer and functions as... Prostate cancer (PCa) is the most common malignancy and the leading cause of cancer deaths in males. Recent studies demonstrate that long non-coding RNAs (lncRNAs) are involved in many aspects of PCa. However, their biological roles in PCa remain imperfectly understood. Here,wecharacterized anlncRNA, PCaspecific expression and EZH2-associatedtranscript (PCSEAT, annotated as PRCAT38), which is specifically overexpressedin PCa. We further demonstrated that knockdown of PCSEAT results in the reduction of PCa cell growth and motility, and overexpression of PCSEAT reverses these phenotypes. Furthermore, bioactive PCSEAT is incorporated into exosomes and transmitted to adjacent cells, thus promoting cell proliferation and motility. Mechanistically, we found that PCSEAT promotes cell proliferation, at least in part by affecting miR-143-3p- and miR-24-2-5p-mediated regulation of EZH2, suggesting that PCSEAT and EZH2 competitively ‘sponge’ miR-143-3p and miR-24-2-5p.Overall, ourresultsrevealthat PCSEAT is specifically overexpressed in PCa patients and a potential oncogene in PCa cells via mediating EZH2 activity, indicating that PCSEAT may be a potential therapeutic target in PCa. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biochemical and Biophysical Research Communications Elsevier

The long non-coding RNA PCSEAT exhibits an oncogenic property in prostate cancer and functions as a competing endogenous RNA that associates with EZH2

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Inc.
ISSN
0006-291x
D.O.I.
10.1016/j.bbrc.2018.05.157
Publisher site
See Article on Publisher Site

Abstract

Prostate cancer (PCa) is the most common malignancy and the leading cause of cancer deaths in males. Recent studies demonstrate that long non-coding RNAs (lncRNAs) are involved in many aspects of PCa. However, their biological roles in PCa remain imperfectly understood. Here,wecharacterized anlncRNA, PCaspecific expression and EZH2-associatedtranscript (PCSEAT, annotated as PRCAT38), which is specifically overexpressedin PCa. We further demonstrated that knockdown of PCSEAT results in the reduction of PCa cell growth and motility, and overexpression of PCSEAT reverses these phenotypes. Furthermore, bioactive PCSEAT is incorporated into exosomes and transmitted to adjacent cells, thus promoting cell proliferation and motility. Mechanistically, we found that PCSEAT promotes cell proliferation, at least in part by affecting miR-143-3p- and miR-24-2-5p-mediated regulation of EZH2, suggesting that PCSEAT and EZH2 competitively ‘sponge’ miR-143-3p and miR-24-2-5p.Overall, ourresultsrevealthat PCSEAT is specifically overexpressed in PCa patients and a potential oncogene in PCa cells via mediating EZH2 activity, indicating that PCSEAT may be a potential therapeutic target in PCa.

Journal

Biochemical and Biophysical Research CommunicationsElsevier

Published: Jul 12, 2018

References

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