This protocol describes a procedure to isolate small extracellular vesicles from macrophages by differential ultracentrifugation and extract the peptidome for identification by mass spectrometry.
Cheng, J., Zhu, J., Liu, Y., Yang, C., Zhang, Y., Liu, Y., Jin, C., Wang, J. Identification of Peptides of Small Extracellular Vesicles from Bone Marrow-Derived Macrophages. J. Vis. Exp. (196), e65521, doi:10.3791/65521 (2023).