Nuclear pore complexes (NPCs) are aqueous channels that penetrate the nuclear envelope, thereby connecting the nucleus and the cytoplasm. These structures consist of multiple copies of ∼30 different ...

Exosomes are saucer-shaped vesicles of 30–100 nm in diameter, which are delimited by a lipid bi-layer and which float at a density of 1.13–1.19 g ml −1 in sucrose gradients. These vesicles are ...