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http://dx.doi.org/10.4110/in.2012.12.3.71

Actin Engine in Immunological Synapse  

Piragyte, Indre (Immune Synapse Research Center and Cell Dynamics Research Center, School of Life Sciences, Gwangju Institute of Science and Technology)
Jun, Chang-Duk (Immune Synapse Research Center and Cell Dynamics Research Center, School of Life Sciences, Gwangju Institute of Science and Technology)
Publication Information
IMMUNE NETWORK / v.12, no.3, 2012 , pp. 71-83 More about this Journal
Abstract
T cell activation and function require physical contact with antigen presenting cells at a specialized junctional structure known as the immunological synapse. Once formed, the immunological synapse leads to sustained T cell receptor-mediated signalling and stabilized adhesion. High resolution microscopy indeed had a great impact in understanding the function and dynamic structure of immunological synapse. Trends of recent research are now moving towards understanding the mechanical part of immune system, expanding our knowledge in mechanosensitivity, force generation, and biophysics of cell-cell interaction. Actin cytoskeleton plays inevitable role in adaptive immune system, allowing it to bear dynamic and precise characteristics at the same time. The regulation of mechanical engine seems very complicated and overlapping, but it enables cells to be very sensitive to external signals such as surface rigidity. In this review, we focus on actin regulators and how immune cells regulate dynamic actin rearrangement process to drive the formation of immunological synapse.
Keywords
Actin; Immunological synapse; Regulation; T cells;
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