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Quantitative Analysis of Extracellular Vesicle Release Using Artificial MicroRNAs
1Departament de Biomedicina, Unitat de Biologia Cel·lular, Facultat de Medicina i Ciències de la Salut, Centre de Recerca Biomèdica CELLEX, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Universitat de Barcelona, Barcelona, Spain. albertlu@ub.edu.
Methods in Molecular Biology (Clifton, N.J.)
|May 4, 2023
Summary
This study introduces barcoded exosomal microRNAs (bEXOmiRs) as a novel tool to track extracellular vesicle (EV) release. This method enhances the study of EV biology and intercellular communication in health and disease.
Area of Science:
- Cell Biology
- Molecular Biology
- Biotechnology
Background:
- Extracellular vesicles (EVs) mediate intercellular communication, but their precise roles in physiology and disease remain unclear.
- Current methods for monitoring EV production and release, such as FACS assays and fluorescent proteins, have limitations.
- Advancing the study of fundamental EV biology requires novel tools and methodologies.
Purpose of the Study:
- To present a detailed protocol for designing and cloning artificially barcoded exosomal microRNAs (bEXOmiRs).
- To describe the analysis of bEXOmiR expression and abundance in both cells and isolated EVs.
- To provide a high-throughput method for reporting EV release.
Main Methods:
- Design and cloning of bEXOmiRs.
- Analysis of bEXOmiR expression in cellular contexts.
- Quantification of bEXOmiRs in isolated extracellular vesicles.
Main Results:
- The protocol details the creation of bEXOmiRs for tracking EV release.
- Methods for analyzing bEXOmiR expression and abundance are provided.
- bEXOmiRs serve as high-throughput reporters for EV release studies.
Conclusions:
- bEXOmiRs offer a valuable new tool for studying extracellular vesicle biology.
- This protocol facilitates high-throughput monitoring of EV release.
- Improved understanding of EV function in health and disease can be achieved with these advanced methods.
