Activation of natural killer T cells by alpha-galactosylceramide rapidly induces the full maturation of dendritic cells in vivo and thereby acts as an adjuvant for combined CD4 and CD8 T cell immunity to a coadministered protein. - Fujii,S.; Shimizu,K.; Smith,C.; Bonifaz,L.; Steinman,RM. (J Exp Med, 2003)