Blockade of CD40-mediated signaling is sufficient for inducing islet but not skin transplantation tolerance.
Phillips NE, Markees TG, Mordes JP, Greiner DL, Rossini AA. Blockade of CD40-mediated signaling is sufficient for inducing islet but not skin transplantation tolerance. J Immunol. 2003 Mar 15; 170(6):3015-23.