Related Experiment Video
Updated: May 13, 2026
07:55
An Optimized Quantitative Pull-Down Analysis of RNA-Binding Proteins Using Short Biotinylated RNA
Published on: February 17, 2023
Emerging Technologies in RNA-Protein Interaction Analysis
Nishinki T Muthumuni1,2, Jia Guo1,2
1Biodesign Institute, Arizona State University, Tempe, AZ 85287, USA.
Biology
|May 12, 2026
Summary
Profiling RNA-protein interactions (RPIs) is challenging but crucial for understanding gene regulation and disease. This review systematically overviews current methods, including RNA-centric, protein-centric, and imaging approaches, for mapping these vital interactions.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- RNA-protein interactions (RPIs), mediated by RNA-binding proteins (RBPs), are critical for post-transcriptional gene regulation.
- Dysregulation of RPIs is implicated in various diseases, including cancer and neurodegenerative disorders.
- Current methods for profiling RPIs face challenges due to interaction transience, low affinity, and dynamic nature.
Purpose of the Study:
- To provide a comprehensive overview of current methodologies for investigating RPIs.
- To evaluate RNA-centric, protein-centric, and imaging-based strategies for RPI profiling.
- To compare these methods based on resolution, sensitivity, specificity, and biological applicability.
Main Methods:
- Systematic review of existing RPI profiling techniques.
- Discussion of RNA-centric and protein-centric experimental strategies.
- Evaluation of in situ imaging-based approaches for dynamic RPI analysis.
Main Results:
- Identified and categorized diverse methodologies for RPI investigation.
- Compared the strengths and limitations of different RPI profiling approaches.
- Highlighted the utility of imaging techniques for resolving spatial-temporal dynamics.
Conclusions:
- No single method is sufficient for comprehensive RPI mapping.
- Integrative strategies are essential for constructing high-resolution, context-dependent RPI maps.
- Understanding RPIs is vital for both physiological processes and disease pathogenesis.
Related Concept Videos
02:04Protein-protein Interfaces
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
02:24Ribosome Profiling
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...
02:26Protein Networks
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...