PMID: 26884845Feb 18, 2016Paper

Role of Bcl-2 and its associated miRNAs in vasculogenic mimicry of hepatocellular carcinoma

International Journal of Clinical and Experimental Pathology
Nan ZhaoQiang Gu

Abstract

An investigation of the role of the anti-apoptotic protein Bcl-2 and its associated miRNAs in vasculogenic mimicry (VM) in hepatocellular carcinoma. The Bcl-2 expression plasmid was constructed for transfection into the hepatocellular carcinoma cell line HepG2. Changes in the expression profiles of the miRNAs induced by Bcl-2 overexpression and their relationships with vasculogenic mimicry were analysed. Real-time PCR was performed in frozen tissue specimens from 42 cases of hepatocellular carcinoma to analyse the relationship between Bcl-2 and miR-27a; Immunohistochemical staining was performed in paraffin-embedded tissue samples from 97 cases of hepatocellular carcinoma to analyse the relationship between Bcl-2 expression and the expression of vasculogenic mimicry (VM) related molecules VEGF and HIF1A, which were target genes of the Bcl-2 related miRNAs. Overexpression of Bcl-2 results in a significant change in the expression of a wide range of miRNAs, and the target genes of these miRNAs are composed of various vasculogenic mimicry related genes; Bcl-2 expression was positively correlated with the expression of the miRNA target genes VEGF and HIF1A. The expression of VEGF and HIF1A was significantly and positively correlate...Continue Reading

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