Objective To investigate the biological effect of CD40 stimulation on human gastric cancer cell lines AGS and BGC-823 ,and analyze the difference of gene expression profiles of AGS after activating CD40 signalling.

• 目的探讨激发CD40信号对人胃癌细胞株AGS和BGC-823的生物学作用及CD40信号激活前后AGS细胞基因表达谱变化。