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. 2012 Nov 15;10:33. doi: 10.1186/1478-811X-10-33

Figure 8.

Figure 8

Schematic representation of the signaling pathways involved in the LPS-induced inflammatory responses. LPS induced ROS production through TLR4/MyD88/c-Src/NADPH oxidase, in turn initiates the activation of p38 MAPK and ATF2. Activated ATF2 was recruited to the promoter region of VCAM-1 leading to an increase of VCAM-1 promoter activity and the expression of VCAM-1. Up-regulation of VCAM-1 enhances the adhesion of THP-1 ells to HRMCs challenged with LPS.