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http://purl.uniprot.org/citations/34706275http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Introduction and objectives

This study aimed to investigate miR-3682 as a biomarker in hepatocellular carcinoma (HCC).

Materials and methods

MiRNA and RNA profiles of 375 HCC tissues and 50 normal liver samples were downloaded from The Cancer Genome Atlas (TCGA) database. Multivariate Cox regression and Kaplan-Meier analyses were applied to examine the prognostic value of factors. Target genes of miR-3682 were analyzed by TargetScan and dual-luciferase reporter assay. Online Database for Annotation, Visualization, and Integrated Discovery (DAVID) to perform KEGG pathway enrichment. Cell counting kit-8, colony formation and migration and invasion assays were performed to analyze biological behaviors of HCC cells.

Results

MiR-3682 was identified to be highly expressed in HCC tissues and cell lines. And miR-3682 was negatively and independently associated with the outcome of HCC patients. Inhibition of miR-3682 suppressed HCC cell viability and mobility. ADRA1A, predicted and confirmed as the novel target of miR-3682, was an independent and positive prognostic predictor for HCC. In addition, the knockdown of ADRA1A partially offset the inhibitory effect of miR-3682 inhibitor on the growth and mobility of HCC cells. DAVID enrichment and western blot of key signaling-related proteins analyses revealed that miR-3682 inactivated 5'-AMP-activated protein kinase (AMPK) signaling by negatively regulating ADRA1A. Mechanically, it was partially through suppressing AMPK signaling via targeting ADRA1A that miR-3682 supported the HCC cell malignant phenotype.

Conclusions

This study implicates that miR-3682 plays an oncogenetic role in HCC and can be considered a novel therapeutic target and prognostic indicator of HCC."xsd:string
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http://purl.uniprot.org/citations/34706275http://purl.uniprot.org/core/author"Liu X."xsd:string
http://purl.uniprot.org/citations/34706275http://purl.uniprot.org/core/author"Zhao W."xsd:string
http://purl.uniprot.org/citations/34706275http://purl.uniprot.org/core/date"2022"xsd:gYear
http://purl.uniprot.org/citations/34706275http://purl.uniprot.org/core/name"Ann Hepatol 27 Suppl"xsd:string
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http://purl.uniprot.org/citations/34706275http://purl.uniprot.org/core/title"MiR-3682 promotes the progression of hepatocellular carcinoma (HCC) via inactivating AMPK signaling by targeting ADRA1A."xsd:string
http://purl.uniprot.org/citations/34706275http://purl.uniprot.org/core/volume"1"xsd:string
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