Journal
TRENDS IN CELL BIOLOGY
Volume 22, Issue 10, Pages 515-526Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcb.2012.07.006
Keywords
membrane domain; receptor clustering; immunoreceptor signaling; membrane skeleton; rafts; cytoskeleton
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Funding
- Cystic Fibrosis Canada
- Canadian Institutes for Health Research
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There is mounting evidence that the plasma membrane is highly dynamic and organized in a complex manner. The cortical cytoskeleton is proving to be a particularly important regulator of plasmalemmal organization, modulating the mobility of proteins and lipids in the membrane, facilitating their segregation, and influencing their clustering. This organization plays a critical role in receptor-mediated signaling, especially in the case of immunoreceptors, which require lateral clustering for their activation. Based on recent developments, we discuss the structures and mechanisms whereby the cortical cytoskeleton regulates membrane dynamics and organization, and how the nonuniform distribution of immunoreceptors and their self-association may affect activation and signaling.
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