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CRISPR Gene Editing Tool for MicroRNA Cluster Network Analysis
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CRISPR screening strategies for microRNA target identification
Bing Yang1, Katherine McJunkin1
1National Institutes of Diabetes and Digestive and Kidney Diseases Intramural Research Program, National Institutes of Health, Bethesda, MD, USA.
The FEBS Journal
|January 25, 2020
Summary
Identifying essential microRNA (miRNA) binding sites is now feasible using CRISPR technology. These CRISPR-based strategies help uncover critical miRNA-target interactions for gene regulation research.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Identifying microRNA (miRNA) target genes is crucial for understanding gene regulation.
- Determining the biological significance of miRNA-target interactions presents a significant challenge.
Purpose of the Study:
- To present CRISPR-based strategies for identifying essential miRNA binding sites.
- To facilitate the dissection of miRNA gene regulatory networks.
Main Methods:
- Utilizing CRISPR knockout screens to identify genes suppressing miRNA mutant phenotypes.
- Employing a custom CRISPR approach to target and mutate individual miRNA binding sites.
- Implementing a mutational profile readout for negative selection screens.
Main Results:
- CRISPR knockout screens can identify genes that, when inactivated, suppress miRNA mutant phenotypes.
- Targeting individual miRNA binding sites with CRISPR can reveal sites crucial for miRNA function.
- The described methods offer a robust approach to pinpointing essential miRNA binding sites.
Conclusions:
- CRISPR technology provides powerful tools for identifying essential miRNA binding sites.
- These advancements will accelerate the understanding of miRNA gene regulatory networks.
- Combining CRISPR with other target identification methods will enhance miRNA research.
