p53-induced microRNA-1246 inhibits the cell growth of human hepatocellular carcinoma cells by targeting NFIB

In recent years, miR-1246 has been identified as a transcriptional target of p53 in Down syndrome and may provide a new p53-miR-1246-DYRK1A-NFAT pathway in cancer. The present study aimed to explore the role of miR-1246 in the tumorigenesis of human hepatocellular carcinoma (HCC). We found that wild...

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Veröffentlicht in:Oncology reports 2015-03, Vol.33 (3), p.1335-1341
Hauptverfasser: ZHANG, QUAN, CAO, LI-YE, CHENG, SHU-JIE, ZHANG, AI-MIN, JIN, XIAO-SHI, LI, YONG
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container_end_page 1341
container_issue 3
container_start_page 1335
container_title Oncology reports
container_volume 33
creator ZHANG, QUAN
CAO, LI-YE
CHENG, SHU-JIE
ZHANG, AI-MIN
JIN, XIAO-SHI
LI, YONG
description In recent years, miR-1246 has been identified as a transcriptional target of p53 in Down syndrome and may provide a new p53-miR-1246-DYRK1A-NFAT pathway in cancer. The present study aimed to explore the role of miR-1246 in the tumorigenesis of human hepatocellular carcinoma (HCC). We found that wild-type p53 regulated the expression of miR-1246 in HCC cell lines, and alteration of miR-1246 modulated cell proliferation, colony formation ability and apoptosis. The nuclear factor I/B (NFIB), an oncogene, was identified as a direct target gene of miR-1246 using a fluorescent reporter assay. Overexpression of NFIB abolished the regulation of cell apoptosis caused by miR-1246 in HepG2 cells. This finding suggests that miR-1246 is regulated by p53 and suppresses the growth of human HCC by targeting NFIB. Here, we propose a new p53-miR-1246-NFIB pathway in HCC.
doi_str_mv 10.3892/or.2015.3715
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Apoptosis
Apoptosis - genetics
Breast cancer
Carcinoma, Hepatocellular - genetics
Cell growth
Cell Line, Tumor
Cell proliferation
Cell Proliferation - genetics
Cell Transformation, Neoplastic - genetics
Development and progression
Gene expression
Gene Expression Regulation, Neoplastic
HCC
Health aspects
Hep G2 Cells
Hepatoma
Humans
Kinases
Laboratories
Liver cancer
Liver Neoplasms - genetics
MicroRNA
MicroRNAs - biosynthesis
MicroRNAs - genetics
MicroRNAs - metabolism
miR-1246
NFI Transcription Factors - biosynthesis
NFI Transcription Factors - genetics
NFI Transcription Factors - metabolism
NFIB
Oncogenes
Prevention
RNA Interference
RNA, Small Interfering
Statistical analysis
Transcription factors
Tumor proteins
Tumor Suppressor Protein p53 - genetics
Tumor Suppressor Protein p53 - metabolism
title p53-induced microRNA-1246 inhibits the cell growth of human hepatocellular carcinoma cells by targeting NFIB
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