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The snoRNA HBII-52 Regulates Alternative Splicing of the Serotonin Receptor 2C
Shivendra Kishore and
Stefan Stamm*
The Prader-Willi syndrome is a congenital disease that is causedby the loss of paternal gene expression from a maternally imprintedregion on chromosome 15. This region contains a small nucleolarRNA (snoRNA), HBII-52, that exhibits sequence complementarityto the alternatively spliced exon Vb of the serotonin receptor5-HT2CR. We found that HBII-52 regulates alternative splicingof 5-HT2CR by binding to a silencing element in exon Vb. Prader-Willisyndrome patients do not express HBII-52. They have different5-HT2CR messenger RNA (mRNA) isoforms than healthy individuals.Our results show that a snoRNA regulates the processing of anmRNA expressed from a gene located on a different chromosome,and the results indicate that a defect in pre-mRNA processingcontributes to the Prader-Willi syndrome.
Institut für Biochemie, Emil-Fischer-Zentrum, Friedrich-Alexander Universität Erlangen-Nürnberg, Fahrstraße 17, 91054 Erlangen, Germany.
* To whom correspondence should be addressed. E-mail: stefan{at}stamms-lab.net
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Gen Biol Evol
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|Abstract »|Full Text »|PDF »
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RNA
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PNAS
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