Related Experiment Video
Updated: Jun 21, 2026

08:53
A Reporter Based Cellular Assay for Monitoring Splicing Efficiency
Published on: September 15, 2021
Regulation of pre-mRNA splicing by antisense oligonucleotides.
1Department of Pharmacology, Isis Pharmaceuticals Inc, Carlsbad, CA 92008, USA.
Summary
Antisense oligonucleotides offer a new therapeutic strategy for diseases caused by faulty RNA splicing. Chemically modified oligonucleotides can precisely target and correct aberrant splicing in mutant genes.
Area of Science:
- Molecular Biology
- Genetics
- Therapeutics
Background:
- Many human diseases stem from mutations leading to incorrect RNA splicing.
- Current treatments struggle to address these splicing defects effectively.
Purpose of the Study:
- To explore the potential of antisense oligonucleotides (ASOs) as a novel therapeutic approach for correcting aberrant RNA splicing.
- To investigate chemically modified ASOs for targeted inhibition of splicing at mutant splice sites.
Main Methods:
- Utilizing chemically modified antisense oligonucleotides designed to bind specific pre-mRNA sequences.
- Directing these modified ASOs to critical regions of pre-mRNA involved in the splicing process.
- Leveraging the high-affinity binding of modified ASOs without inducing RNA degradation.
Main Results:
- Demonstrated the feasibility of using chemically modified ASOs to bind target mRNA sequences with high affinity.
- Showcased the potential to inhibit aberrant splicing at specific mutant splice sites by directing ASOs to pre-mRNA regions.
- Established a novel application of antisense technology for splicing modulation.
Conclusions:
- Chemically modified antisense oligonucleotides represent a promising therapeutic strategy for diseases caused by aberrant RNA splicing.
- This approach offers a novel and largely unexplored method for restoring correct gene splicing and treating genetic disorders.
- Further research into this application of antisense technology could yield significant therapeutic benefits.
Related Concept Videos
RNA Splicing
Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
RNA Splicing
Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
Alternative RNA Splicing
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
Alternative RNA Splicing
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
RNA Interference
RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
RNA Interference
RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
