MiR-29b Inhibits Non-small Cell Lung Cancer Progression by Targeting STRN4

Overview

Journal Hum Cell

Publisher Springer

Specialty Cell Biology

Date 2019 Dec 9

PMID 31813135

Citations 11

Authors

Yuping Xie

Fen Zhao

Ping Zhang

Ping Duan

Yangmei Shen

Affiliations

Soon will be listed here.

Abstract

Non-small cell lung cancer (NSCLC) is a malignant tumor with a high fatality, low overall cure, and survival rates worldwide. When only palliative therapy is available, the disease leads to malignant proliferation. Previous studies showed miR-29b serves as an NSCLC suppressor by inhibiting cells proliferation, migration, and invasion. However, the mechanism underlying NSCLC progression remains elusive. In this study, we identified Striatin 4 (STRN4), a target of miR-29b, which serves as a pro-oncogenic protein by promoting cells proliferation, migration, and invasion in NSCLC. Besides, the STRN4 was highly expressed in NSCLC and negatively regulated by miR-29b. Down-regulation of STRN4 inhibits NSCLC cells proliferation, migration, invasion, and promotes apoptosis in vitro, whereas overexpression-induced enhanced cell migration and invasion could be reverved by miR-29b. Notably, overexpression of miR-29b and down-regulation of STRN4 by shRNA suppressed cellular proliferation and delayed tumor progression in vivo. Together, these findings identify a miR-29b/STRN4 regulatory pathway in NSCLC progression, which may provide a new sight for the treatment of NSCLC.

Citing Articles

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