Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

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HITS-CLIP analysis of FUS in lineage-committed cells.


ABSTRACT: In the present study, we performed HITS-CLIP analysis for FUS using mouse brain to extensively characterize tits RNA-binding sites and functional roles in RNA metabolisms. We identified preferential binding of FUS to stem-and-loop structures but without any discernible consensus motifs. FUS was preferentially bound to introns and 3' untranslated regions, but the exon/intron boundaries were mostly devoid of FUS-tags. Analysis of position-dependence of FUS-binding sites in regulating inclusion and skipping of exons disclosed that FUS is bound broadly around the alternatively spliced exons. Among them, however, noticeable CLIP-tags were observed in the downstream introns. We also noticed that FUS occasionally binds to the antisense strands in the promoter regions. Global analysis of CLIP-tags and expression profiles revealed that binding of FUS to the promoter antisense regions downgregulates transcription of the sense strand. HITS-CLIP (High Throughput Sequencing after Crosslinking and Immunoprecipitation) experiments targeting FUS in mouse cerebrums derived from 12-week-old C57BL/6 mice

ORGANISM(S): Mus musculus

SUBMITTER: Akio Masuda 

PROVIDER: E-GEOD-37190 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Position-dependent FUS-RNA interactions regulate alternative splicing events and transcriptions.

Ishigaki Shinsuke S   Masuda Akio A   Fujioka Yusuke Y   Iguchi Yohei Y   Katsuno Masahisa M   Shibata Akihide A   Urano Fumihiko F   Sobue Gen G   Ohno Kinji K  

Scientific reports 20120724


FUS is an RNA-binding protein that regulates transcription, alternative splicing, and mRNA transport. Aberrations of FUS are causally associated with familial and sporadic ALS/FTLD. We analyzed FUS-mediated transcriptions and alternative splicing events in mouse primary cortical neurons using exon arrays. We also characterized FUS-binding RNA sites in the mouse cerebrum with HITS-CLIP. We found that FUS-binding sites tend to form stable secondary structures. Analysis of position-dependence of FU  ...[more]

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