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PMID:9774382
| Citation |
Yang, L, Embree, LJ, Tsai, S and Hickstein, DD (1998) Oncoprotein TLS interacts with serine-arginine proteins involved in RNA splicing. J. Biol. Chem. 273:27761-4 |
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| Abstract |
The gene encoding the human TLS protein, also termed FUS, is located at the site of chromosomal translocations in human leukemias and sarcomas where it forms a chimeric fusion gene with one of several different genes. To identify interacting partners of TLS, we screened a yeast two-hybrid cDNA library constructed from mouse hematopoietic cells using the C-terminal region of TLS in the bait plasmid. Two cDNAs encoding members of the serine-arginine (SR) family of proteins were isolated. The first SR protein is the mouse homolog of human splicing factor SC35, and the second SR member is a novel 183-amino acid protein that we term TASR (TLS-associated serine-arginine protein). cDNA cloning of human TASR indicated that mouse and human TASR have identical amino acid sequences. The interactions between TLS and these two SR proteins were confirmed by co-transfection and immunoprecipitation studies. In vivo splicing assays indicated that SC35 and TASR influence splice site selection of adenovirus E1A pre-mRNA. TLS may recruit SR splicing factors to specific target genes through interaction with its C-terminal region, and chromosomal translocations that truncate the C-terminal region of TLS may prevent this interaction. Thus TLS translocations may alter RNA processing and play a role in malignant transformation. |
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| Keywords |
Amino Acid Sequence; Animals; Carrier Proteins/genetics; Carrier Proteins/metabolism; Cell Cycle Proteins; Cloning, Molecular; Heterogeneous-Nuclear Ribonucleoproteins; Humans; Mice; Molecular Sequence Data; Neoplasm Proteins/genetics; Neoplasm Proteins/metabolism; Nuclear Proteins/genetics; Nuclear Proteins/metabolism; Protein Binding; RNA Splicing; RNA-Binding Protein FUS; RNA-Binding Proteins; Recombinant Proteins/metabolism; Repetitive Sequences, Amino Acid; Repressor Proteins; Ribonucleoproteins/genetics; Ribonucleoproteins/metabolism; Saccharomyces cerevisiae/genetics; Sequence Homology, Amino Acid |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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