Document Detail


Diverse roles of hnRNP L in mammalian mRNA processing: a combined microarray and RNAi analysis.
MedLine Citation:
PMID:  18073345     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Alternative mRNA splicing patterns are determined by the combinatorial control of regulator proteins and their target RNA sequences. We have recently characterized human hnRNP L as a global regulator of alternative splicing, binding to diverse C/A-rich elements. To systematically identify hnRNP L target genes on a genome-wide level, we have combined splice-sensitive microarray analysis and an RNAi-knockdown approach. As a result, we describe 11 target genes of hnRNP L that were validated by RT-PCR and that represent several new modes of hnRNP L-dependent splicing regulation, involving both activator and repressor functions: first, intron retention; second, inclusion or skipping of cassette-type exons; third, suppression of multiple exons; and fourth, alternative poly(A) site selection. In sum, this approach revealed a surprising diversity of splicing-regulatory processes as well as poly(A) site selection in which hnRNP L is involved.
Authors:
Lee-Hsueh Hung; Monika Heiner; Jingyi Hui; Silke Schreiner; Vladimir Benes; Albrecht Bindereif
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-12-11
Journal Detail:
Title:  RNA (New York, N.Y.)     Volume:  14     ISSN:  1469-9001     ISO Abbreviation:  RNA     Publication Date:  2008 Feb 
Date Detail:
Created Date:  2008-01-25     Completed Date:  2008-03-07     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  9509184     Medline TA:  RNA     Country:  United States    
Other Details:
Languages:  eng     Pagination:  284-96     Citation Subset:  IM    
Affiliation:
Institute of Biochemistry, Justus-Liebig-University of Giessen, D-35392 Giessen, Germany.
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MeSH Terms
Descriptor/Qualifier:
Alternative Splicing / genetics*
Amino Acid Motifs
Exons
Hela Cells
Heterogeneous-Nuclear Ribonucleoprotein L / antagonists & inhibitors,  genetics,  physiology*
Humans
Introns
Oligonucleotide Array Sequence Analysis / methods*
Polyadenylation
RNA Interference
RNA, Messenger / metabolism*
Chemical
Reg. No./Substance:
0/Heterogeneous-Nuclear Ribonucleoprotein L; 0/RNA, Messenger
Comments/Corrections

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