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. Author manuscript; available in PMC: 2018 Aug 28.
Published in final edited form as: Chem Rev. 2018 Jan 31;118(4):1917–1950. doi: 10.1021/acs.chemrev.7b00534

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