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Updated: Jan 10, 2026

In Vivo Immunogenicity Screening of Tumor-Derived Extracellular Vesicles by Flow Cytometry of Splenic T Cells
Published on: September 23, 2021
Tumor-derived extracellular vesicles: Bridging communication and next-generation theranostics
Jace Chen1, Apple Verdiell1, Carlos Formoso2
1Pritzker School of Molecular Engineering, The University of Chicago, Chicago, IL 60637, USA; Ben May Department for Cancer Research, The University of Chicago, Chicago, IL 60637, USA.
Tumor-derived extracellular vesicles (TD-EVs) play key roles in cancer progression and metastasis. These vesicles show promise for cancer diagnosis and targeted therapy, but challenges remain for clinical use.
Area of Science:
- Oncology
- Cell Biology
- Biotechnology
Background:
- Cancer remains a leading global cause of death despite various treatments.
- Tumor-derived extracellular vesicles (TD-EVs) are increasingly recognized for their roles in cancer development.
- TD-EVs influence tumorigenesis, angiogenesis, metastasis, and immune evasion.
Purpose of the Study:
- To review the multifaceted roles of TD-EVs in cancer biology.
- To explore the diagnostic and therapeutic potential of TD-EVs.
- To identify challenges hindering the clinical translation of TD-EV applications.
Main Methods:
- Literature review of TD-EVs in cancer.
- Analysis of TD-EVs' mechanisms in tumor growth and spread.
- Evaluation of TD-EVs as biomarkers and therapeutic delivery systems.
Main Results:
- TD-EVs promote cancer via EMT, angiogenesis, immune suppression, and metastasis.
- EV PD-L1 is a potential liquid biopsy biomarker for immune evasion.
- Engineered TD-EVs show promise for targeted drug and nucleic acid delivery.
Conclusions:
- TD-EVs are crucial in cancer progression and offer potential for liquid biopsy and targeted therapies.
- Standardization of isolation, characterization, and distinguishing TD-EVs from normal EVs are critical challenges.
- Further research is needed to overcome obstacles for clinical translation of TD-EV-based strategies.
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