After iDCs were transfected by Adv-CD40L-IRES2-CTLA4Ig, the fluorescence microscope was used to observe the expression of CD40L and CTLA4Ig in iDCs. 2.

• 腺病毒介导CD40L-IRES2-CTLA4Ig基因转染iDC，荧光显微镜下观察CD40L和CTLA4-Ig在树突状细胞的表达情况；