Separation of endocytic vesicles in Nycodenz gradients.

Separation of endocytic vesicles in Nycodenz gradients.

The endocytosis of 125I-labeled asialofetuin by rat hepatocytes was studied utilizing Nycodenz/sucrose gradients. It was proven in pulse chase experiments that the ligand endocytosed initially (after half of to 1 min) was in small, slow-sedimenting vesicles of comparable sizes. The vesicles containing the ligand elevated in measurement, and after about 2.5 min 20-30% of the …

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