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- W2056587454 abstract "Monocyte chemoattractant protein-1 (MCP-1) is important in attracting monocytes to sites of inflammation. Besides induction of monocyte recruitment, MCP-1 can also affect chemotactic response of endothelial cells. The molecular mechanisms involved in MCP-1-induced cell migration are poorly understood. In the current investigation, we demonstrate activation of p42/44ERK1/2 and p38 mitogen-activated protein kinases (MAPKs), phosphatydilinositol-3-kinase (PI3K) and Src-kinases in both monocytes and endothelial cells stimulated with MCP-1 in vitro. The response was rapid and time-dependent, detectable within 3 min of MCP-1 stimulation. MCP-1-induced phosphorylation of p42/44ERK1/2 MAPKs was partially blocked by inhibitor of PI3K LY294002, while phosphorylation of p38 MAPK was diminished to a greater extent in presence of Src-kinase inhibitor PP2. There was a substantial inhibition of monocyte migration upon treatment with inhibitors of p38 MAPK, at the same time inhibition of p42/44ERK1/2 MAPK activation had no effect. On the contrary, the MCP-1-stimulated chemotaxis of endothelial cells was completely abolished by inhibitors of PI3K and p42/44ERK1/2, but not by p38 MAPK inhibitors. These results suggest that parallel signal transduction pathways are activated by MCP-1, and that depending on the cell type these pathways differentially contribute to cell chemotactic activity." @default.
- W2056587454 created "2016-06-24" @default.
- W2056587454 creator A5043473960 @default.
- W2056587454 creator A5059147991 @default.
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- W2056587454 date "2005-09-01" @default.
- W2056587454 modified "2023-10-01" @default.
- W2056587454 title "MCP-1-stimulated chemotaxis of monocytic and endothelial cells is dependent on activation of different signaling cascades" @default.
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- W2056587454 doi "https://doi.org/10.1016/j.cyto.2005.06.016" @default.
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