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M6A-mRNA&lncRNA Epitranscriptomic Microarray analysis for human liver tissues of healthy, HBV-infected with and without cirrhosis donors.

ABSTRACT: The samples of human liver tissues from the healthy donors, the HBV-infected patients without cirrhosis, and the HBV-infected patients with cirrhosis were collected. The tissues were then analyzed by the m6A-mRNA&lncRNA Epitranscriptomic miroarray. The Goal of this experiment was to determine the different of gene expression and m6a methylation of liver tissues among the healthy donors, the HBV-infected patients with and without cirrhosis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE252249 | GEO | 2024/05/21

REPOSITORIES: GEO

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Project description:Background: Of Hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC), 85%-90% of cases develop from liver cirrhosis, and circular RNAs (circRNAs) have important roles in this process; however, differences in serum circRNA expression profiles between patients with HBV-related cirrhosis and those with HCC have not been studied. Methods: Serum RNA was extracted from patients with HCC and cirrhosis (n = 5 per group) and used for microarray analysis of circRNA expression profiles. Bioinformatics analyses, including clustering, differential expression, and construction of a ceRNA network, were performed. Quantitative real-time reverse transcription PCR validation analysis was conducted using samples from patients with HBV-related cirrhosis (n = 88) and HCC (n = 73). Further, statistical analyses were used to analyze the potential function and value of selected circRNAs with expression differing between the HBV-related cirrhosis and HCC groups. Results: Cluster analysis revealed 8 up-regulated and 80 down-regulated circRNAs. Further, qRT-PCR analysis showed that circRNA_0000367 expression was consistent with that detected by microarray experiments, with significantly lower levels in patients with HBV-related HCC than those with HBV-related cirrhosis. CircRNA_0000367 expression levels were also significantly lower in patients with drug-resistant HBV and those with HBV-related cirrhosis with Model for End-Stage Liver Disease score < 10. Further, circRNA_00000367 expression levels were lower in patients with HBV-related cirrhosis who progressed to HCC. Analysis of the lncRNA-miRNA-mRNA ceRNA network identified 39 miRNAs and 24 mRNAs involved in circRNA_00000367 networks; these target genes were involved in various biological processes and signaling pathways. Conclusion: Serum cicrRNA_0000367 is a potential HCC biomarker in patients with HBV-related cirrhosis, where down-regulation of cicrRNA_0000367 in HBV-related cirrhosis may be associated with progression to HCC.

Dataset Information

M6A-mRNA&lncRNA Epitranscriptomic Microarray analysis for human liver tissues of healthy, HBV-infected with and without cirrhosis donors.

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