Isolating Phagosomes from Tissue Culture Cells
2014
Phagocytosis is the process by which receptors at the plasma membrane are used to engulf a particle such as a bacterium, parasite, or dead cell. Phagosomes can be isolated from tissue culture cells by various centrifugation methods, including the use of differential density gradients or sucrose step gradients, but these methods are time-consuming or otherwise difficult. We describe here a protocol that avoids centrifugation and relies instead on the uptake of magnetic beads to rapidly isolate the phagosomal compartment from tissue culture cells.
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