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Cell adhesion molecules and actin cytoskeleton at immune synapses and kinapses Dustin MLCurr Opin Cell Biol 2007[Oct]; 19 (5): 529-33The immunological synapse is a stable adhesive junction between a polarized immune effector cell and an antigen-bearing cell. Immunological synapses are often observed to have a striking radial symmetry in the plane of contact with a prominent central cluster of antigen receptors surrounded by concentric rings of adhesion molecules and actin-rich projections. There is a striking similarity between the radial zones of the immunological synapse and the dynamic actinomyosin modules employed by migrating cells. Breaking the symmetry of an immunological synapse generates a moving adhesive junction that can be defined as a kinapse, which facilitates signal integration by immune cells while moving over the surface of antigen-presenting cells.|Actins/*metabolism[MESH]|Animals[MESH]|Apoptosis Regulatory Proteins[MESH]|Cell Adhesion Molecules/*metabolism[MESH]|Cell Adhesion/*physiology[MESH]|Cell Communication/*physiology[MESH]|Cytoskeleton/*metabolism[MESH]|Humans[MESH]|Intracellular Signaling Peptides and Proteins/metabolism[MESH]|Lymphocyte Activation[MESH]|Mitochondrial Proteins/metabolism[MESH]|Receptors, Antigen, T-Cell/metabolism/ultrastructure[MESH]|Signal Transduction/physiology[MESH]|T-Lymphocytes/cytology/*immunology[MESH] |
