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  • Cell adhesion molecules and actin cytoskeleton at immune synapses and kinapses.

Cell adhesion molecules and actin cytoskeleton at immune synapses and kinapses.

Current opinion in cell biology (2007-10-10)
Michael L Dustin
ABSTRACT

The 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.

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