Related Experiment Videos
mRNA accessible site tagging (MAST): a novel high throughput method for selecting effective antisense
Hong-Yan Zhang1, Jianping Mao, Daixing Zhou
1Center for Genomics and Bioinformatics, Karolinska Institutet, 17177, Stockholm, Sweden.
Nucleic Acids Research
|July 11, 2003
Summary
A new method called mRNA accessible site tagging (MAST) precisely maps accessible sites on any messenger RNA (mRNA). This high-throughput technique validates accessible sites and aids in designing effective antisense oligonucleotides for gene silencing.
Area of Science:
- Molecular Biology
- Genomics
- Bioinformatics
Background:
- Understanding mRNA structure is crucial for gene regulation.
- Existing methods for mapping mRNA accessible sites have limitations.
Purpose of the Study:
- To develop a high-throughput, solution-based method for mapping mRNA accessible sites.
- To validate the accuracy and utility of the developed method.
Main Methods:
- mRNA accessible site tagging (MAST) involves immobilizing mRNA and hybridizing it to randomized oligonucleotide libraries.
- Sequencing of specifically hybridized oligonucleotides precisely defines accessible mRNA sites.
- Validation through mapping rabbit beta-globin mRNA and designing antisense oligonucleotides.
Main Results:
- MAST accurately maps accessible sites on mRNA with high throughput.
- The method demonstrates advantages over existing technologies.
- Antisense oligonucleotides designed using MAST maps show significant knockdown effects correlated with accessibility.
Conclusions:
- MAST is a versatile and effective tool for mapping mRNA accessible sites.
- The methodology is applicable to any mRNA length using a universal protocol.
- MAST facilitates the design of targeted gene-silencing strategies.