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The origin, function and diagnostic potential of extracellular microRNA in human body fluids

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889192427 Year: Pages: 114 DOI: 10.3389/978-2-88919-242-7 Language: English
Publisher: Frontiers Media SA
Subject: Genetics --- Science (General)
Added to DOAB on : 2015-11-16 15:44:59
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Abstract

Short non-coding RNA molecules, microRNAs (miRNAs), post-transcriptionally regulate gene expression in living cells. In recent years, miRNAs have been found in a wide spectrum of mammalian body fluids including blood plasma, saliva, urine, milk, seminal plasma, tears and amniotic fluid as extracellular circulating nuclease-resistant entities. The changes in miRNA spectra observed in certain fluids correlated with various pathological conditions suggesting that extracellular miRNAs can serve as informative biomarkers for certain diseases including cancer. However, the mechanism of generation and a biological role of extracellular miRNAs remain unclear. The current theories regarding extracellular miRNA origin and function suggest that these miRNAs can be either non-specific 'by-products' of cellular activity and cell death or specifically released cell-cell signaling messengers. The goal of this Research Topic is to bring together up-to-date knowledge about the extracellular miRNA and its role in disease diagnostics and, possibly, inter-cellular communication.

Emerging roles of long noncoding RNAs in neurological diseases and metabolic disorders

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889195718 Year: Pages: 76 DOI: 10.3389/978-2-88919-571-8 Language: English
Publisher: Frontiers Media SA
Subject: Biology --- Science (General) --- Genetics
Added to DOAB on : 2016-02-05 17:24:33
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Abstract

Long noncoding RNAs (lncRNAs) are a new class of transcripts that are in general longer than 200 nucleotides and that have no protein-coding potential. The vast majority of vertebrate genomes encode diverse and complex lncRNAs that play regulatory roles at almost every step of gene expression. Recently, increasing evidence has implicated lncRNAs in the pathogenesis of various human diseases. The purpose of the Research Topic, "Emerging roles of long noncoding RNAs in neurological diseases and metabolic disorders", is to bring together leading researchers in the field who, through contributing to an organized and comprehensive collection of peer-reviewed articles, provide a broad perspective on the latest advances in the field. A number of interesting and cutting-edge areas will be covered as below, but this list is not exclusive:- The methodologies and technologies of identifying and studying lncRNAs - LncRNAs in gene-specific transcription - LncRNAs in epigenetic regulation - LncRNAs in post-transcriptional regulation - LncRNAs in disease - Mapping of noncoding single nucleotide polymorphisms associated with disease.

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