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Int. J. Mol. Sci. 2016, 17(11), 1795; doi:10.3390/ijms17111795

Function and Regulation of MicroRNAs and Their Potential as Biomarkers in Paediatric Liver Disease

1
Hepatic Fibrosis Group, QIMR Berghofer Medical Research Institute, 300 Herston Rd, Herston, QLD 4006, Australia
2
Department of Gastroenterology and Hepatology, Lady Cilento Children′s Hospital, 501 Stanley St, South Brisbane, QLD 4101, Australia
3
Faculty of Medicine and Biomedical Sciences, The University of Queensland, Brisbane, QLD 4006, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Y-h. Taguchi
Received: 12 September 2016 / Revised: 18 October 2016 / Accepted: 20 October 2016 / Published: 27 October 2016
(This article belongs to the Special Issue microRNA Regulation 2017)
View Full-Text   |   Download PDF [2129 KB, uploaded 27 October 2016]   |  

Abstract

MicroRNAs (miRNAs) are short non-coding RNAs involved in biological and pathological processes of every cell type, including liver cells. Transcribed from specific genes, miRNA precursors are processed in the cytoplasm into mature miRNAs and as part of the RNA-induced silencing complex (RISC) complex binds to messenger RNA (mRNA) by imperfect complementarity. This leads to the regulation of gene expression at a post-transcriptional level. The function of a number of different miRNAs in fibrogenesis associated with the progression of chronic liver disease has recently been elucidated. Furthermore, miRNAs have been shown to be both disease-and tissue-specific and are stable in the circulation, which has led to increasing investigation on their utility as biomarkers for the diagnosis of chronic liver diseases, including those in children. Here, we review the current knowledge on the biogenesis of microRNA, the mechanisms of translational repression and the use of miRNA as circulatory biomarkers in chronic paediatric liver diseases including cystic fibrosis associated liver disease, biliary atresia and viral hepatitis B. View Full-Text
Keywords: microRNA; children; chronic liver disease; circulatory miRNA microRNA; children; chronic liver disease; circulatory miRNA
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Calvopina, D.A.; Coleman, M.A.; Lewindon, P.J.; Ramm, G.A. Function and Regulation of MicroRNAs and Their Potential as Biomarkers in Paediatric Liver Disease. Int. J. Mol. Sci. 2016, 17, 1795.

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