Yiqi Jiedu pian(complex of coptic chinensis) has an antiproliferative effect on nasopharyngeal carcinoma (NPC).In order to understand the regulative mechanism of antiproliferative effect at molecular level,the differential display polymerase reaction was used to identify genes that were down-regulated and up-regulated after Yiqi Jiedu Pian treating human nasopharyngeal carcinoma cell line.As a result,most of genes were down regulated,a few of genes we...