PUBLICATION

Specific inhibition of splicing factor activity by decoy RNA oligonucleotides

Authors
Denichenko, P., Mogilevsky, M., Cléry, A., Welte, T., Biran, J., Shimshon, O., Barnabas, G.D., Danan-Gotthold, M., Kumar, S., Yavin, E., Levanon, E.Y., Allain, F.H., Geiger, T., Levkowitz, G., Karni, R.
ID
ZDB-PUB-190425-2
Date
2019
Source
Nature communications   10: 1590 (Journal)
Registered Authors
Biran, Jacob, Levkowitz, Gil
Keywords
none
MeSH Terms
  • Alternative Splicing
  • Animals
  • Animals, Genetically Modified
  • Binding Sites
  • Glioblastoma/genetics
  • Glioblastoma/pathology
  • HEK293 Cells
  • Heterogeneous-Nuclear Ribonucleoproteins/antagonists & inhibitors
  • Heterogeneous-Nuclear Ribonucleoproteins/genetics*
  • Heterogeneous-Nuclear Ribonucleoproteins/metabolism
  • Humans
  • MAP Kinase Signaling System/genetics
  • Muscle, Skeletal/growth & development
  • Nonsense Mediated mRNA Decay
  • Oligonucleotides/chemistry
  • Oligonucleotides/metabolism
  • Oligonucleotides/pharmacology*
  • Polypyrimidine Tract-Binding Protein/antagonists & inhibitors
  • Polypyrimidine Tract-Binding Protein/genetics*
  • Polypyrimidine Tract-Binding Protein/metabolism
  • RNA Splicing Factors/antagonists & inhibitors
  • RNA Splicing Factors/genetics*
  • RNA Splicing Factors/metabolism
  • Serine-Arginine Splicing Factors/antagonists & inhibitors
  • Serine-Arginine Splicing Factors/genetics*
  • Serine-Arginine Splicing Factors/metabolism
  • Tandem Repeat Sequences
  • Xenograft Model Antitumor Assays
  • Zebrafish/embryology
  • Zebrafish/genetics
PubMed
30962446 Full text @ Nat. Commun.
Abstract
Alternative splicing, a fundamental step in gene expression, is deregulated in many diseases. Splicing factors (SFs), which regulate this process, are up- or down regulated or mutated in several diseases including cancer. To date, there are no inhibitors that directly inhibit the activity of SFs. We designed decoy oligonucleotides, composed of several repeats of a RNA motif, which is recognized by a single SF. Here we show that decoy oligonucleotides targeting splicing factors RBFOX1/2, SRSF1 and PTBP1, can specifically bind to their respective SFs and inhibit their splicing and biological activities both in vitro and in vivo. These decoy oligonucleotides present an approach to specifically downregulate SF activity in conditions where SFs are either up-regulated or hyperactive.
Genes / Markers
Figures
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Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping