Adaptive immunity is controlled by dynamic 'immunological synapses' formed between T cells and antigen presenting cells. This protocol describes methods for investigating endothelial cells both as understudied physiologic APCs and as a novel type of 'planar cellular APC model'.
Martinelli, R., Carman, C. V. An Endothelial Planar Cell Model for Imaging Immunological Synapse Dynamics. J. Vis. Exp. (106), e53288, doi:10.3791/53288 (2015).