Objective: To investigate the intervention effect and potential mechanism of Qingre Huashi decoction(QHD) for preventing the onset of colon cancer by observing SGC-7901 cell proliferation and apoptosis along with the expression of CD14 gene

tumor necrosis factor alpha and interleukin 1 beta. Method: SGC-7901 cells were divided into control group

intervention group. In vitro

the control group was offered fetal calf serum. The intervention group was fed with serum containing QHD for 5%

10%

15%

20%

30%. The multiplication

proliferation and apoptosis of SGC-7901 cell were detected by MTT and flow cytometry respectively. The expression of CD14

TNF-α and IL-1β gene was assayed by immunohistochemistry and real-time PCR. Result: Compared with control group

the survival of SGC-7901 cell was decreased in QHD group(P<0.05). In QHD group

the cells in G0/G1 phase were increased but the S phase cell was on the decline. Those changes were correlated with the culturing content. There is a significant difference between QHD group and control group in those changes as mentioned above(P<0.05). Especially

the effect of middle concentration serum containing QHD on inducing cell apoptosis and down regulating the expression of CD14

TNF-α

IL-1β was obvious (P<0.05). Conclusion: QHD exerts a distinct effect on preventing the onset of colon cancer by mediating SGC-7901 cell S time

cell composition and regulating the expression of CD14

TNF-α and IL-1β and inducing cell apoptosis.