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. 2017 Aug 7;8:917. doi: 10.3389/fimmu.2017.00917

Figure 4.

Figure 4

Actin enhances neutrophil activation through triggering receptor expressed on myeloid cells-1 (TREM-1) signaling. (A) RAW264.7 cells were treated with LPS for 4 h and further incubated with rACTIN and LP17 for an additional 5 h. Then, the supernatants were collected for detection of TNF-α concentration with a commercial ELISA kit (n = 6). (B) Peritoneal macrophages isolated from trem1+/+ or trem1−/− mice (n = 6) were treated with LPS for 4 h and further incubated with rACTIN and LP17 for an additional 5 h. Finally, the supernatants of the cells were collected for the detection of TNF-α, IL-6, and MCP-1 concentration with commercial ELISA kits. The data were expressed the means ± SE of measurement. *p < 0.05.