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Le Centre de Recherche en Cancérologie de Marseille fête ses 50 ans ! -

12 2021 Medecine sciences : M/S

[Tetraspanins and syndecans: Partners in crime for ‘dealing’ exosomes?]


Exosomes are small extracellular vesicles derived from endosomal compartments. The molecular mechanisms supporting the biology of exosomes, from their biogenesis to their internalization by target cells, rely on ‘dedicated’ membrane proteins. These mechanisms of action need to be further clarified. This will help to better understand how exosome composition and heterogeneity are established. This would also help to rationalize their use as source of biomarkers and therapeutic tools. Here we discuss how syndecans and tetraspanins, two families of membrane scaffold proteins, cooperate to regulate different steps of exosome biology.

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