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A GFP-based assay for rapid screening of compounds affecting ARE-dependent mRNA turnover
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 153468
Author(s) Benjamin, D.; Colombi, M.; Moroni, C.
Author(s) at UniBasel Moroni, Christoph
Year 2004
Title A GFP-based assay for rapid screening of compounds affecting ARE-dependent mRNA turnover
Journal Nucleic Acids Research
Volume 32
Number 11
Pages / Article-Number e89
Keywords 3' Untranslated Regions; Animals; Base Sequence; Cell Line; Drug Evaluation/methods; *Genes; Reporter; Green Fluorescent Proteins; Interleukin-3/genetics; Ionomycin/pharmacology; Luminescent Proteins/analysis/*genetics; Mice; Molecular Sequence Data; Okadaic Acid/pharmacology; RNA Stability/*drug effects; RNA; Messenger/*metabolism; *Regulatory Sequences; Ribonucleic Acid; Time Factors
Abstract A reporter transcript containing the green fluorescent protein (GFP) gene upstream of the destabilizing 3'-untranslated region (3'-UTR) of the murine IL-3 gene was inserted in mouse PB-3c-15 mast cells. The GFP-IL-3 transcript was inherently unstable due to the presence of an adenosine-uridine (AU)-rich element (ARE) in the 3'-UTR and was subject to rapid decay giving a low baseline of GFP fluorescence. Transcript stabilization with ionomycin resulted in an increase of fluorescence that is quantitated by FACS analysis of responding cells. Using this system we have identified okadaic acid as a novel stabilizing compound, and investigated the upstream signaling pathways leading to stabilization. This reporter system has the advantage of speed and simplicity over standard methods currently in use and in addition to serving as a research tool it can be easily automated to increase throughput for drug discovery.
Publisher Oxford University Press
ISSN/ISBN 0305-1048 ; 1362-4962
edoc-URL http://edoc.unibas.ch/dok/A5257870
Full Text on edoc Available
Digital Object Identifier DOI 10.1093/nar/gnh086
ISI-Number WOS:000222399200004
Document type (ISI) Article
 
   

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