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. 2017 Nov 15;24:85. doi: 10.1186/s12929-017-0393-1

Fig. 8.

Fig. 8

Schematic illustration of the proposed mechanism for infection-induced pathological responses. LPS pretreatment induced PAR-2 expression in vascular ECs. PAR-2 agonist (trypsin) potentiates PAR-2 activation and then calcium mobilization. The intracellular calcium activates the ERK/p38 MAPK pathway and leads to MCP-1 secretion