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Bioinformatics Analyses of Potential miRNA-mRNA Regulatory Axis in HBV-related Hepatocellular Carcinoma

We aimed to explore the crucial miRNA-mRNA axis through bioinformatics analysis and provide evidences for the development of pathophysiological mechanisms and new therapies for HBV-related HCC. MiRNA (GSE76903) and mRNA (GSE77509) dataset were used to screen differentially expressed miRNAs (DE-miRNA...

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Published in:International journal of medical sciences 2021-01, Vol.18 (2), p.335-346
Main Authors: Huang, Dan-Ping, Zeng, Yi-Hao, Yuan, Wei-Qu, Huang, Xiu-Fang, Chen, Sheng-Qian, Wang, Mu-Yao, Qiu, Yi-Jun, Tong, Guang-Dong
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container_title International journal of medical sciences
container_volume 18
creator Huang, Dan-Ping
Zeng, Yi-Hao
Yuan, Wei-Qu
Huang, Xiu-Fang
Chen, Sheng-Qian
Wang, Mu-Yao
Qiu, Yi-Jun
Tong, Guang-Dong
description We aimed to explore the crucial miRNA-mRNA axis through bioinformatics analysis and provide evidences for the development of pathophysiological mechanisms and new therapies for HBV-related HCC. MiRNA (GSE76903) and mRNA (GSE77509) dataset were used to screen differentially expressed miRNAs (DE-miRNAs) and differentially expressed mRNAs (DE-mRNAs) using R software. Overlapping genes between DE-mRNAs and target genes of DE-miRNAs were identified as candidate genes. Hub genes were obtained via cytohubba analysis. The expression at protein and mRNA levels and prognostic value of hub genes were evaluated based on The Cancer Genome Atlas (TCGA) data. Key miRNA-mRNA axes were constructed according to predicted miRNA-mRNA pairs. MiRNA expression and prognostic role were respectively identified using starBase v3.0 and Kaplan-Meier plotter database. Real-time PCR was performed to verify the expression of crucial miRNAs and mRNAs. Coexpression of crucial miRNA and mRNA were analyzed using starBase v3.0. and were screened as hub genes, which were significantly upregulated at protein and mRNA levels. These up-regulated hub genes were also significantly associated with poor prognosis. Hsa-mir-195-5p/ , hsa-mir-5589-3p/ and hsa-let-7c-3p/ were screened as critical miRNA-mRNA axes. Critical miRNAs were decreased in HCC, which indicates unfavourable prognosis. QPCR results showed that crucial miRNAs were decreased, whereas critical mRNAs were increased in HBV-related HCC. A reverse relationship between miRNA and mRNA in crucial axis was further verified. This study identified several miRNA-mRNA axes in HBV-related HCC. Hsa-mir-195-5p/ , hsa-mir-5589-3p/ and hsa-let-7c-3p/ might serve as potential prognostic biomarkers and therapeutic targets for HBV-related HCC.
doi_str_mv 10.7150/ijms.50126
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MiRNA (GSE76903) and mRNA (GSE77509) dataset were used to screen differentially expressed miRNAs (DE-miRNAs) and differentially expressed mRNAs (DE-mRNAs) using R software. Overlapping genes between DE-mRNAs and target genes of DE-miRNAs were identified as candidate genes. Hub genes were obtained via cytohubba analysis. The expression at protein and mRNA levels and prognostic value of hub genes were evaluated based on The Cancer Genome Atlas (TCGA) data. Key miRNA-mRNA axes were constructed according to predicted miRNA-mRNA pairs. MiRNA expression and prognostic role were respectively identified using starBase v3.0 and Kaplan-Meier plotter database. Real-time PCR was performed to verify the expression of crucial miRNAs and mRNAs. Coexpression of crucial miRNA and mRNA were analyzed using starBase v3.0. and were screened as hub genes, which were significantly upregulated at protein and mRNA levels. These up-regulated hub genes were also significantly associated with poor prognosis. Hsa-mir-195-5p/ , hsa-mir-5589-3p/ and hsa-let-7c-3p/ were screened as critical miRNA-mRNA axes. Critical miRNAs were decreased in HCC, which indicates unfavourable prognosis. QPCR results showed that crucial miRNAs were decreased, whereas critical mRNAs were increased in HBV-related HCC. A reverse relationship between miRNA and mRNA in crucial axis was further verified. This study identified several miRNA-mRNA axes in HBV-related HCC. 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subjects Bioinformatics
Biomarkers
Cancer therapies
Gene expression
Hepatitis B
Infections
Liver cancer
Medical prognosis
MicroRNAs
Proteins
Research Paper
Software
title Bioinformatics Analyses of Potential miRNA-mRNA Regulatory Axis in HBV-related Hepatocellular Carcinoma
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