Cited by 5,766Extracellular vesicles in diseaseCellular transport and secretionNanoparticle-Based Drug Delivery

Isolation and Characterization of Exosomes from Cell Culture Supernatants and Biological Fluids

Théry, Clotilde, Amigorena, Sebastian, Raposo, Graça, Clayton, Aled·2006·Current Protocols in Cell Biology

Abstract

Exosomes are small membrane vesicles found in cell culture supernatants and in different biological fluids. Exosomes form in a particular population of endosomes, called multivesicular bodies (MVBs), by inward budding into the lumen of the compartment. Upon fusion of MVBs with the plasma membrane, these internal vesicles are secreted. Exosomes possess a defined set of membrane and cytosolic proteins. The physiological function of exosomes is still a matter of debate, but increasing results in various experimental systems suggest their involvement in multiple biological processes. Because both cell‐culture supernatants and biological fluids contain different types of lipid membranes, it is critical to perform high‐quality exosome purification. This unit describes different approaches for exosome purification from various sources, and discusses methods to evaluate the purity and homogeneity of the purified exosome preparations.

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Authors
Théry, C., Amigorena, S., Raposo, G., & Clayton, A.
Affiliations
  • Institut Curie (FR)
  • Institut Curie Paris France
  • Cardiff University (GB)
Venue
Current Protocols in Cell Biology
Publisher
Wiley
Published
2006-03
Volume
30
Issue
1
Pages
Unit 3.22-Unit 3.22
ISSN
  • 1934-2500 (ISSN-L)
  • 1934-2616
OpenAlex
W1877686344
Cited by
5,766
References
30
Citations by year
2026: 206 · 2025: 356 · 2024: 485 · 2023: 502 · 2022: 558 · 2021: 641 · 2020: 620 · 2019: 521 · 2018: 452 · 2017: 390 · 2016: 301 · 2015: 259 · 2014: 177 · 2013: 106 · 2012: 85
FWCI
3.54
Type
journal article
Language
en
Open access
closed
Locations
  • Current Protocols in Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (acceptedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
Keywords
exosomes, exosome isolation, multivesicular bodies, cell culture supernatant, biological fluids, exosome characterization, membrane vesicles, exosome function
MeSH terms
Animals, Culture Media, Electrophoresis, Polyacrylamide Gel, Flow Cytometry, Humans, Immunohistochemistry, Ultracentrifugation, Cell Culture Techniques, Secretory Vesicles, Microscopy, Electron, Transmission

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