Table 1.
Major types of extracellular particles.
Vesicle | Size (nm) | Density (g/mL) | Origin | Markers |
---|---|---|---|---|
Exosomes | 40–200 | 1.13 – 1.18 | Endosomes | Tetraspanins, Alix, TSG101 |
Microvesicles | 200 – 2000 | 1.16 – 1.19 | Plasma membrane | Integrins, selectins, CD40 |
Apoptotic bodies | 500 – 2000 | 1.16 – 1.28 | Plasma membrane, endoplasmic reticulum | Phosphatidylserine, genomic DNA |
High-density lipoprotein particles | 7–13 | >1.06 | Hepatocyte | Apolipoproteins, phospholipids, cholesterol, triglycerides |
Low-density lipoprotein particles | 21–27 | 1.02 – 1.06 | Hepatocyte | Apolipoproteins, phospholipids, cholesterol, triglycerides |