Isolating Phagosomes from Tissue Culture Cells

Isolating phagosomes from tissue culture cells.

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 proto...

Isolation of mitochondria from tissue culture cells.

The number of mitochondria per cell varies substantially from cell line to cell line. For example, human HeLa cells contain at least twice as many mitochondria as smaller mouse L cells. This protocol starts with a washed cell pellet of 1-2 mL derived from ∼10⁹ cells grown in culture. The cells are swollen in a hypotonic buffer and ruptured with a Dounce or Potter-Elvehjem homogenizer using a ti...

P9: Isolation and Culture of Adult Microglia Cells Derived from Epileptic Human Brain Tissue

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Isolating highly pure rat spermatogonial stem cells in culture.

Methods are detailed for isolating highly pure populations of spermatogonial stem cells from primary cultures of testis cells prepared from 22- to 24-day-old rats. The procedure is based on the principle that testicular somatic cells bind tightly to plastic and collagen matrices when cultured in serum-containing medium, whereas spermatogonia and spermatocytes do not bind to plastic or collagen ...

Survival of Bordetella pertussis in Tissue Culture of Animal Cells