Aim To observe the regulation of stromal derived factor 1(SDF-1) on monocytes-endothelial cells induced by low density lipoprotein (LDL). Methods LDL was separated by density gradient centrifugation. Reverse transcriptpolymerase chain reaction (RT-PCR) and Westem blot were separately used to detect the expression of mRNA and protein of SDF- 1 in endothelial cells. Cell counting was used to observe the effect of the adhesion of monocytes/endothelial cells treated with LDL or SDF-1 antibody. Results Compared with the control group, the leve...