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Title 

nc886 is induced by TGF-β and suppresses the microRNA pathway in ovarian cancer

Authors 

J H AhnH S LeeJ S LeeY S LeeJong Lyul ParkSeon-Young KimJ A HwangN KunkeawS Y JungT J KimK S LeeS H JeonI LeeB H JohnsonJ H Choi

Publisher 

Nature Publishing Group

Issue Date 

2018

Citation 

Nature Communications

Abstract 

Transforming growth factor-β (TGF-β) signaling and microRNAs (miRNAs) are important gene regulatory components in cancer. Usually in advanced malignant stages, TGF-β signaling is elevated but global miRNA expression is suppressed. Such a gene expression signature is well illustrated in a fibrosis (or mesenchymal) subtype of ovarian cancer (OC) that is of poor prognosis. However, the interplay between the two pathways in the OC subtype has not yet been elucidated. nc886 is a recently identified non-coding RNA implicated in several malignancies. The high expression of nc886 is associated with poor prognosis in 285 OC patients. Herein, we find that in OC nc886 expression is induced by TGF-β and that nc886 binds to Dicer to inhibit miRNA maturation. By preventing the miRNA pathway, nc886 emulates TGF-β in gene expression patterns and potentiates cell adhesion, migration, invasion, and drug resistance. Here we report nc886 to be a molecular link between the TGF-β and miRNA pathways

ISSN 

2041-1723

Link 

http://dx.doi.org/10.1038/s41467-018-03556-7

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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