Related Experiment Video
Updated: May 21, 2026

11:38
An Innovative Method for Exosome Quantification and Size Measurement
Published on: January 17, 2015
A systematic approach to exosome-based translational nanomedicine
Joshua L Hood1, Samuel A Wickline
1Consortium for Translational Research in Advanced Imaging and Nanomedicine (C-TRAIN), Department of Medicine, Division of Cardiology, Washington University School of Medicine, St. Louis, MO 631088, USA. jhood@dom.wustl.edu
Summary
Exosomes, tiny cell-derived vesicles, can be engineered into semi-synthetic nanomedicines. This study presents a systematic approach to isolate, modify, and test exosomes for translational nanomedicine applications.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Cell Biology
Background:
- Exosomes are cell-derived nanovesicles that mediate intercellular communication.
- Known functions include immune modulation, angiogenesis promotion, and tumor metastasis.
- Current clinical applications focus on cancer vaccines and diagnostics.
Purpose of the Study:
- To explore the potential of exosomes as a platform for developing semi-synthetic nanovesicles.
- To present a systematic approach for exosome isolation, modification, and testing.
- To facilitate the translation of exosome-based nanomedicine.
Main Methods:
- Systematic isolation of exosomes.
- Modification of exosomes for specific applications.
- Testing of exosome-based nanovesicles.
Main Results:
- Exosomes possess nanoscale size, native ligand expression, and deformable structure suitable for nanomedicine.
- A systematic approach is proposed to overcome obstacles in exosome-based nanomedicine development.
- The approach aims to enable the creation of novel semi-synthetic nanovesicles.
Conclusions:
- Exosomes offer a promising biological platform for semi-synthetic nanomedicine development.
- Addressing isolation, modification, and testing challenges is crucial for clinical translation.
- This systematic strategy can advance exosome-based translational nanomedicine.

