期刊
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH
卷 1853, 期 4, 页码 830-840出版社
ELSEVIER
DOI: 10.1016/j.bbamcr.2014.11.010
关键词
B cell antigen receptor; Nanocluster; Protein islands
资金
- Excellence Initiative of the German Federal and State Governments [EXC 294]
- ERC [322972]
- Deutsche Forschungsgemeinschaft [SFB746, TRR130]
- European Research Council (ERC) [322972] Funding Source: European Research Council (ERC)
The fluid mosaic model of Singer and Nicolson correctly predicted that the plasma membrane (PM) forms a lipid bilayer containing many integral trans-membrane proteins. This model also suggested that most of these proteins were randomly dispersed and freely diffusing moieties. Initially, this view of a dynamic and rather unorganized membrane was supported by early observations of the cell surfaces using the light microscope. However, recent studies on the PM below the diffraction limit of visible light (similar to 250 nm) revealed that, at nanoscale dimensions, membranes are highly organized and compartmentalized structures. Lymphocytes are particularly useful to study this nanoscale membrane organization because they grow as single cells and are not permanently engaged in cell:cell contacts within a tissue that can influence membrane organization. In this review, we describe the methods that can be used to better study the protein:protein interaction and nanoscale organization of lymphocyte membrane proteins, with a focus on the B cell antigen receptor (BCR). Furthermore, we discuss the factors that may generate and maintain these membrane structures. This article is part of a Special Issue entitled: Nanoscale membrane organisation and signalling. 0 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license
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