After1h incubation of PAEC,addition of TNF significantly stimulated the adhesion reaction of RAEC with MC(66.8%). After2h incubation the effect reached maximum(77.5%),then the effect slightly decreased.

• TNF与内皮细胞共育1h；即可明显促进黏附作用(66.；8%25)；4h时达最大刺激效应(77