The proposed protocol includes guidelines on how to avoid contamination with endotoxin during the isolation of extracellular vesicles from cell culture supernatants, and how to properly evaluate them.
Babula, A., Siemińska, I., Baj-Krzyworzeka, M. Isolation of Low Endotoxin Content Extracellular Vesicles Derived from Cancer Cell Lines. J. Vis. Exp. (192), e65062, doi:10.3791/65062 (2023).