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  • Title: Isolation of clathrin-coated vesicles by differential and density gradient centrifugation.
    Author: Girard M, Allaire PD, Blondeau F, McPherson PS.
    Journal: Curr Protoc Cell Biol; 2005 Apr; Chapter 3():Unit 3.13. PubMed ID: 18228473.
    Abstract:
    Clathrin-coated vesicles (CCVs) are an important class of transport organelles that mediate the endocytosis of proteins and lipids at the plasma membrane and the transport of proteins from the trans-Golgi network to the endosomal/lysosomal system. The authors describe a protocol for isolating CCVs from adult rat brain using differential centrifugation, Ficoll and D(2)O-sucrose density gradient centrifugation, and velocity sedimentation in linear sucrose gradients. The application of this basic method to the isolation of CCVs from developing rat brains and to the generation of relatively crude CCVs from cultured cells is also described. Furthermore, we describe a protocol in which differential centrifugation and a series of discontinuous sucrose gradients are used to isolate CCVs from rat liver. An approach to analyzing CCV purity by electron microscopy is also described.
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