Authors
Changjie Lou, Juan Zhao, Yuanlong Gu, Qingwei Li, Shuli Tang, Yangjiazi Wu, Jiebing Tang, Chunhui Zhang, Zhiwei Li, Yanqiao Zhang
Published in
Journal of cellular physiology. Volume 235. Issue 4. Pages 3928-3938. Epub Oct 14, 2019.
Abstract
Pancreatic cancer (PC) is one of the top two most fatal cancers, with the poorest survival rate among all human malignancies. Increasing evidence suggests the involvement of long noncoding RNAs (lncRNAs) in the initiation and progression of various cancers. Herein, we investigated the role of lncRNA LINC01559 in PC. Several online databases indicated that LINC01559 was at a low expression in normal pancreatic tissues but was obviously upregulated in PAAD tissues. Further, our results showed that LINC01559 was stimulated in PC cell lines relative to normal controls. Furthermore, we validated that LINC01559 facilitated PC cell proliferation and migration in vitro. Also, silencing LINC01559 obstructed PC cell growth in vivo. Besides, LINC01559 was revealed to be mainly in the cytoplasm of PC cells and therefore served as a ceRNA of Yes-associated protein (YAP) in PC cells via sponging miR-607. Surprisingly, we also proved that LINC01559 could interact with YAP protein, which might hinder YAP phosphorylation and enhance YAP transcriptional activity in PC cells. Furthermore, we demonstrated that YAP was the downstream effector in LINC01559-regulated PC development. Collectively, our findings unmasked that LINC01559 accelerates PC progression through relying on YAP, providing a new potential target for clinical treatment of patients with PC.
PMID:
31608998
Bibliographic data and abstract were imported from PubMed on 15 Oct 2026.
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