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Table 1 Characterization of extracellular vesicles

From: Extracellular vesicles derived from mesenchymal stromal cells: a therapeutic option in respiratory diseases?

Extracellular vesicles

Origin

Size

Content

Markers

Exosomes

Multivesicular bodies

50–150 nm

Proteins, and lipids, DNA, mRNA and miRNA

CD63, CD81, CD9, heat-shock proteins, Alix, Tsg101, integrin, annexins and MHC classes I and II

Microvesicles

Plasma membrane

150–1000 nm

Proteins, and lipids, DNA, mRNA, miRNA and cell organelles.

Integrins, flotillins and tetraspanins

Apoptotic bodies

Membrane of dying cells

>1 μm

DNA, noncoding RNAs and cell organelles

Surface markers for macrophages

  1. Alix ALG-2-interacting protein X, MHC major histocompatibility complex, miRNA microRNA, Tsg101 tumor susceptibility gene 101