Chapter title |
Use of Streptolysin O-Induced Membrane Damage as a Method of Studying the Function of Lipid Rafts During B Cell Activation
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Chapter number | 17 |
Book title |
B Cell Receptor Signaling
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Published in |
Methods in molecular biology, January 2018
|
DOI | 10.1007/978-1-4939-7474-0_17 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7473-3, 978-1-4939-7474-0
|
Authors |
Heather Miller, Wenxia Song |
Abstract |
B-lymphocytes have the ability to repair their plasma membranes following injury, such as by bacterial cholesterol-dependent cytolysins. The repair process includes the removal of the pore from the inflicted region of the plasma membrane via lipid raft-mediated internalization. Lipid rafts are critical for B cell receptor (BCR) activation. Cholesterol-dependent pore forming bacterial toxins provide a useful tool for examining the role of lipid rafts in B cell activation and the underlying cellular mechanisms. This method serves as a great alternative of known cholesterol disruption reagents such as filipin, nystatin, and methyl-β-cyclodextrin. Here, we describe a method of damaging primary murine B cell plasma membranes with the Streptococcus pyogenes cytolysin, Streptolysin O (SLO), and monitoring levels of damage, repair and BCR activation. |
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