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Open AccessJournal ArticleDOI

The role of microRNAs in liver cancer progression

Shenglin Huang, +1 more
- 18 Jan 2011 - 
- Vol. 104, Iss: 2, pp 235-240
TLDR
Current knowledge about the roles and validated targets of miRNAs in liver cancer progression is summarised.
Abstract
Primary liver cancer, predominantly consisting of hepatocellular carcinoma (HCC), is one of the most common and aggressive human malignancies worldwide. MicroRNAs (miRNAs) are a class of small non-coding RNAs that regulate gene expression post-transcriptionally. Emerging evidence indicates that miRNAs are often deregulated in HCC, and that some specific miRNAs are associated with the clinicopathological features of HCC. Recent work demonstrates that miRNAs have essential roles in HCC progression and directly contribute to cell proliferation, avoidance of apoptotic cell death, and metastasis of HCC by targeting a large number of critical protein-coding genes. The discovery of the aberrantly expressed miRNAs and their corresponding targets has opened a novel avenue to investigate the molecular mechanism of HCC progression and to develop potential therapeutics against HCC. In this review, we summarise current knowledge about the roles and validated targets of miRNAs in liver cancer progression.

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Citations
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Cellular and molecular mechanisms of hepatocellular carcinoma: an update.

TL;DR: The current knowledge of HCC is discussed, focusing mainly on advances that have occurred during the past 5 years and on the development of novel therapeutics for liver cancer.
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MicroRNA-214 downregulation contributes to tumor angiogenesis by inducing secretion of the hepatoma-derived growth factor in human hepatoma

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MicroRNAs as Biomarkers for Liver Disease and Hepatocellular Carcinoma

TL;DR: Serum levels of liver enzymes provide insight into liver function and are used during treatment of liver disease, but such information is limited and more sensitive biomarkers may help to achieve earlier detection of neoplastic changes preceding HCC.
References
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Journal ArticleDOI

MicroRNAs: Genomics, Biogenesis, Mechanism, and Function

TL;DR: Although they escaped notice until relatively recently, miRNAs comprise one of the more abundant classes of gene regulatory molecules in multicellular organisms and likely influence the output of many protein-coding genes.
Journal Article

MicroRNA signatures in human cancers

TL;DR: The causes of the widespread differential expression of miRNA genes in malignant compared with normal cells can be explained by the location of these genes in cancer-associated genomic regions, by epigenetic mechanisms and by alterations in the miRNA processing machinery as discussed by the authors.
Journal ArticleDOI

MicroRNAs: small RNAs with a big role in gene regulation

TL;DR: Two founding members of the microRNA family were originally identified in Caenorhabditis elegans as genes that were required for the timed regulation of developmental events and indicate the existence of multiple RISCs that carry out related but specific biological functions.
Journal Article

Oncomirs : microRNAs with a role in cancer

TL;DR: I MicroRNAs (miRNAs) are an abundant class of small non-protein-coding RNAs that function as negative gene regulators as discussed by the authors, and have been shown to repress the expression of important cancer-related genes and might prove useful in the diagnosis and treatment of cancer.
Journal ArticleDOI

Hepatocellular Carcinoma: Epidemiology and Molecular Carcinogenesis

TL;DR: A detailed understanding of epidemiologic factors and molecular mechanisms associated with HCC ultimately could improve current concepts for screening and treatment of this disease.
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