Evidence that RNA editing modulates splice site selection in the 5-HT2C receptor gene

Flomen, Rachel and Knight, Joanne and Sham, Pak and Kerwin, Robert and Makoff, Andrew (2004) Evidence that RNA editing modulates splice site selection in the 5-HT2C receptor gene. Nucleic Acids Research, 32 (7). pp. 2113-2122. ISSN 0305-1048

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Abstract

Adenosine to inosine editing of mRNA from the human 5-HT2C receptor gene (HTR2C) occurs at five exonic positions (A-E) in a stable stem-loop that includes the normal 5' splice site of intron 5 and is flanked by two alternative splice sites. Using in vitro editing, we identified a novel editing site (F) located in the intronic part of the stem-loop and demonstrated editing at this site in human brain. We have shown that in cell culture, base substitutions to mimic editing at different combinations of the six sites profoundly affect relative splicing at the normal and the upstream alternative splice site, but splicing at the downstream alternative splice site was consistently rare. Editing combinations in different splice variants from human brain were determined and are consistent with the effects of editing on splicing observed in cell culture. As RNA editing usually occurs close to exon/intron boundaries, this is likely to be a general phenomenon and suggests an important novel role for RNA editing.

Item Type: Journal Article
Journal or Publication Title: Nucleic Acids Research
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/1300/1311
Subjects:
ID Code: 79919
Deposited By: ep_importer_pure
Deposited On: 07 Jun 2016 13:46
Refereed?: Yes
Published?: Published
Last Modified: 11 Jun 2019 03:30
URI: https://eprints.lancs.ac.uk/id/eprint/79919

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