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Updated: Jun 2, 2025
In Vivo Immunogenicity Screening of Tumor-Derived Extracellular Vesicles by Flow Cytometry of Splenic T Cells
Published on: September 23, 2021
Protocol for extracellular vesicle secretion-related gene screening via ExoScreen technique
Tomofumi Yamamoto1, Fumihiko Urabe2, Yusuke Yoshioka3
1Department of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan; Laboratory of Integrative Oncology, National Cancer Center Research Institute, Tokyo, Japan; Division of Biological Chemistry and Biologicals, National Institute of Health Sciences, Kawasaki, Kanagawa, Japan.
This study presents a new method combining a microRNA library and ExoScreen technology to screen genes involved in extracellular vesicle (EV) secretion and identify miRNA targets, aiding cancer research.
Area of Science:
- Cell Biology
- Molecular Biology
- Cancer Research
Background:
- Extracellular vesicles (EVs) are crucial mediators of intercellular communication, influencing cancer progression and cellular homeostasis.
- Understanding the mechanisms of EV secretion and the role of microRNAs (miRNAs) in regulating these processes is vital for therapeutic development.
Purpose of the Study:
- To develop and present a protocol for screening genes associated with EV secretion.
- To establish a method for identifying direct target genes regulated by specific miRNAs.
- To provide a tool for investigating the complex intracellular communication networks involving EVs.
Main Methods:
- Utilized a microRNA (miRNA) library in conjunction with the ExoScreen assay, a sensitive technique for detecting EVs.
- Developed procedures for screening EV secretion-related genes.
- Detailed methods for identifying direct miRNA target genes.
Main Results:
- Successfully combined miRNA library screening with ExoScreen for efficient analysis of EV secretion.
- Established a protocol to identify genes regulating EV secretion.
- Developed a method to screen direct miRNA target genes involved in EV regulation.
Conclusions:
- The presented protocol offers a valuable approach for dissecting the genetic regulation of EV secretion.
- This method facilitates the study of intricate cellular communication pathways mediated by EVs.
- The findings contribute to a deeper understanding of miRNA-mediated regulation of EV biology in cancer and homeostasis.
