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Differential expression profile of hepatic circular RNAs in chronic hepatitis B

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机构: [1]Central lab, Liver disease research center, the Second People’s Hospital of Yunnan Province, Kunming, China [2]The First Affiliated Hospital of Kunming Medical University, Kunming, China
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关键词: chronic hepatitis B circular RNA expression profile microRNA

摘要:
CircRNAs exert gene regulatory effects by sequestering target microRNAs (miRNAs) and play a vital role in the onset and development of disease. Until recently, little has been known about the expression, regulation and biological function of circRNAs in both health and chronic hepatitis B (CHB).To identify hepatic circRNAs associated with CHB, we performed RNA sequencing using liver biopsies from untreated CHB patients and controls. We then established a bioinformatics pipeline for identification of CHB-associated circRNAs and in silico analysis of the circRNA-miRNA-mRNA pathways. We used quantitative reverse transcription polymerase chain reaction (qRT-PCR) to confirm these results. The profiles of hepatic circRNA expression were significantly different in CHB compared with controls, with a total of 99 dysregulated circRNAs identified to be correlated with CHB. Computational analysis of the circRNA-miRNA-mRNA pathways revealed a large number of miRNAs (665), which were putatively targeted by the differentially expressed hepatic circRNAs. Interestingly, four of the predicted CHB-related circRNA-miRNA-mRNA pathways were found to be involved in the pathogenesis of HBV infection and progression of HBV-associated liver disease. Among these pathways, regression analysis of gene expression revealed a strong positive correlation between hsa_circ_0000650 and TGF2 and a negative correlation between hsa_circ_0000650 and miR-6873-3p, which hinted that hsa_circ_0000650 interacted with TGF2 mediated by miR-6873-3p. This study firstly demonstrates that patients with CHB present different profiles of hepatic circRNAs and circRNA/miRNA interactions. Thus, circRNAs have promise as novel mechanisms underlying the pathogenesis and progression of CHB.

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出版当年[2019]版:
大类 | 2 区 医学
小类 | 2 区 传染病学 2 区 病毒学 3 区 胃肠肝病学
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 传染病学 3 区 病毒学 4 区 胃肠肝病学
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出版当年[2018]版:
Q1 INFECTIOUS DISEASES Q2 VIROLOGY Q2 GASTROENTEROLOGY & HEPATOLOGY
最新[2023]版:
Q2 GASTROENTEROLOGY & HEPATOLOGY Q3 INFECTIOUS DISEASES Q3 VIROLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2018版] 出版当年五年平均 出版前一年[2017版] 出版后一年[2019版]

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第一作者机构: [1]Central lab, Liver disease research center, the Second People’s Hospital of Yunnan Province, Kunming, China
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通讯机构: [*1]The Liver Disease Center of the Second People’s Hospital of Yunnan Province, Kunming, China [*2]The Central Laboratory of the Second People’s Hospital of Yunnan Province, Kunming, China.
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