expression analysis of the long non-coding rna antisense to uchl1 (as uchl1) during dopaminergic cells’ differentiation in vitro and in neurochemical models of parkinson’s disease

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2015
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Abstract
Antisense (AS) transcripts are RNA molecules that are transcribed from the opposite strand to sense (S) genes forming S/AS pairs. The most prominent configuration is when a lncRNA is antisense to a protein coding gene. Increasing evidences prove that antisense transcription may control sense gene expression acting at distinct regulatory levels. However, its contribution to brain function and neurodegenerative diseases remains unclear.We have recently identified AS Uchl1 as an antisense to the mouse Ubiquitin carboxy-terminal hydrolase L1 (Uchl1) gene (AS Uchl1), the synthenic locus of UCHL1/PARK5. This is mutated in rare cases of early-onset familial Parkinson’s Disease (PD) and loss of UCHL1 activity has been reported in many neurodegenerative diseases. Importantly, manipulation of UchL1 expression has been proposed as tool for therapeutic intervention. AS Uchl1 induces UchL1 expression by increasing its translation. It is the representative member of SINEUPs (SINEB2 sequence to UP-regulate translation), a new functional class of natural antisense lncRNAs that activate translation of their sense genes. Here we take advantage of FANTOM5 dataset to identify the transcription start sites associated to S/AS pair at Uchl1 locus. We show that AS Uchl1 expression is under the regulation of Nurr1, a major transcription factor involved in dopaminergic cells’ differentiation and maintenance. Furthermore, AS Uch1 RNA levels are strongly down-regulated in neurochemical models of PD in vitro and in vivo.This work positions AS Uchl1 RNA as a component of Nurr1-dependent gene network and target of cellular stress extending our understanding on the role of antisense transcription in the brain.
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ecarrieri2015frontiersexpression Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Claudia eCarrieri;Alistair eForrest;Claudio eSantoro;Francesca ePersichetti;Piero eCarninci;Silvia eZucchelli;Silvia eZucchelli;Stefano eGustincich
Journal macromolecular bioscience
Year 2015
DOI
10.3389/fncel.2015.00114
URL
http://journal.frontiersin.org/Journal/10.3389/fncel.2015.00114/full
Keywords
parkinson’s disease neuropsychiatry biological psychiatry

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