A novel miR-0308-3p revealed by miRNA-seq of HBV-positive hepatocellular carcinoma suppresses cell proliferation and promotes G1/S arrest by targeting double CDK6/Cyclin D1 genes

Cell & Bioscience
Xiaoming DaiPingkun Zhou

Abstract

Persistent infection with hepatitis B virus (HBV) accounts for the majority of hepatocellular carcinoma (HCC), but the molecular mechanisms underlying liver carcinogenesis are still not completely understood. Increasing evidence demonstrates that microRNAs (miRNAs) play significant functional roles in virus-host interactions. The aim of this study was to explore differentially expressed miRNA profiles and investigate the molecular mechanism of miR-0308-3p in HBV-positive HCC carcinogenesis. High-throughput sequencing was used to detect novel miRNAs in three samples of HBV-positive HCC tissue compared to matched HBV-negative HCC tissue. The Cancer Genome Atlas (TCGA) database was used to mine miRNAs related to HBV-positive HCC. Bioinformatics analyses were conducted to predict the miRNAs' possible biological and pathway regulatory functions. Quantitative polymerase chain reaction (qPCR) was then applied to evaluate the expression levels of randomly selected miRNAs. CCK-8 was used to measure cell proliferation and cell cycles were analyzed using flow cytometry. A dual luciferase reporter gene assay was used to confirm the downstream targets of miR-0308-3p. In total, there were 34 overlapping miRNAs in both our miRNA-seq data and ...Continue Reading

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Citations

Jul 10, 2021·Signal Transduction and Targeted Therapy·Ruixue Huang, Ping-Kun Zhou
Jun 20, 2021·Clinics and Research in Hepatology and Gastroenterology·Jinying ZhaoLijia Su

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Datasets Mentioned

BETA
BC023620.2

Methods Mentioned

BETA
RNA-seq
biopsy
electrophoresis
PCRs
flow cytometry
Assay
miRNA-seq
RNAseq
transfection

Software Mentioned

Mireap

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