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Eur Rev Med Pharmacol Sci. 2019 Jan;23(2):576-587. doi: 10.26355/eurrev_201901_16870.

MiR-10b suppresses the growth and metastasis of colorectal cancer cell by targeting FGF13.

Author information

1
Department of General Surgery, Yantai Municipal Laiyang Central Hospital, Yantai, Shandong, China. liwenlwen@qq.com.

Abstract

OBJECTIVE:

MicroRNA (miRNA) plays important roles in the progression of different cancers. In this study, we investigated the precise role of miR-10b in the growth and metastasis of colorectal cancer (CRC) cell.

PATIENTS AND METHODS:

The levels of miR-10b in CRC cell lines were detected using quantitative Real Time-Polymerase Chain Reaction (qRT-PCR) assay. A series of functional assays, including cell proliferation, colony formation, wound healing and transwell invasion were conducted using miR-10b transfected cells. The expressions of E-cadherin and N-cadherin were assessed by immunofluorescence staining. Xenograft model and lung metastasis model were constructed to investigate the impact of miR-10b on the growth and metastasis of CRC cell in vivo.

RESULTS:

We revealed that miR-10b was markedly down-regulated in CRC. The up-regulation of miR-10b suppressed the growth, colony formation, migration and invasion of CRC cell. Furthermore, the xenograft model indicated that miR-10b inhibited CRC cell growth and lung metastasis in vivo by targeting fibroblast growth factor 13 (FGF13). In addition, we demonstrated that the overexpression of FGF13 rescued the suppressive effects of miR-10b on CRC cells growth, migration and invasion. Finally, the knockdown of FGF13 was able to mimic the inhibitory effects of miR-10b on the progression of CRC cells.

CONCLUSIONS:

These results demonstrate that miR-10b plays an important role in growth, migration and invasion of CRC by targeting FGF13.

PMID:
30720165
DOI:
10.26355/eurrev_201901_16870
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