Knockdown of lncRNA CCEPR suppresses colorectal cancer progression.

Abstract:

:Long non-coding RNAs (lncRNAs) serve important roles in colorectal cancer. The aim of the present study was to investigate the expression and role of cervical carcinoma expressed PCNA regulatory (CCEPR) lncRNA in colorectal cancer progression. The results demonstrated that CCEPR expression was significantly higher in colorectal cancer tissues when compared with paired adjacent normal tissues. In addition, CCEPR expression was significantly higher in patients with advanced colorectal cancer (stage III/IV) than those with early-stage colorectal cancer (stage I/II). High CCEPR expression was significantly associated with poor differentiation, advanced clinical stage, positive lymph node metastasis and distant metastasis. Of particular note, patients with colorectal cancer exhibiting high CCEPR expression levels had shorter survival rates when compared with patients with low CCEPR expression. In vitro experiments demonstrated that the expression of CCEPR was increased in colorectal cancer cell lines when compared with a normal colon cell line. Knockdown of CCEPR significantly inhibited colorectal cancer cell proliferation, colony formation and cell cycle progression, as well as cell migration and invasion. Finally, silencing of CCEPR downregulated matrix metalloproteinase (MMP)-2 and MMP-9 expression and suppressed epithelial-mesenchymal transition in colorectal cancer cells. In conclusion, the results of the present study suggest that CCEPR may exert an oncogenic role in colorectal cancer, and CCEPR may be a promising molecular target for colorectal cancer treatment.

journal_name

Exp Ther Med

authors

Duan Y,Fang Z,Shi Z,Zhang L

doi

10.3892/etm.2019.7942

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

3534-3542

issue

5

eissn

1792-0981

issn

1792-1015

pii

ETM-0-0-7942

journal_volume

18

pub_type

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