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B cell receptor-induced Ca2+ mobilization mediates F-actin rearrangements and is indispensable for adhesion and spreading of B lymphocytes

Maus, Máté and Medgyesi, Dávid and Kiss, Endre and Schneider, E. Andrea and Enyedi, Ágnes and Szilágyi, Nóra and Matkó, János and Sármay, Gabriella (2013) B cell receptor-induced Ca2+ mobilization mediates F-actin rearrangements and is indispensable for adhesion and spreading of B lymphocytes. JOURNAL OF LEUKOCYTE BIOLOGY, 93 (4). pp. 537-547. ISSN 0741-5400

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Abstract

B cells acquire membrane-bound cognate antigens from the surface of the APCs by forming an IS, similar to that seen in T cells. Recognition of membrane-bound antigens on the APCs initiates adhesion of B lymphocytes to the antigen-tethered surface, which is followed by the formation of radial lamellipodia-like structures, a process known as B cell spreading. The spreading response requires the rearrangement of the submembrane actin cytoskeleton and is regulated mainly via signals transmitted by the BCR. Here, we show that cytoplasmic calcium is a regulator of actin cytoskeleton dynamics in B lymphocytes. We find that BCR-induced calcium mobilization is indispensible for adhesion and spreading of B cells and that PLC

Item Type: Article
Uncontrolled Keywords: B cell spreading
Subjects: Q Science / természettudomány > Q1 Science (General) / természettudomány általában
Depositing User: András Bognár
Date Deposited: 27 Jan 2014 13:38
Last Modified: 01 Mar 2015 00:15
URI: http://real.mtak.hu/id/eprint/9287

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