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. 2015 Nov 12;5:79. doi: 10.3389/fcimb.2015.00079

Figure 4.

Figure 4

The histopathological study on lungs of mice infected with highly virulent S. suis strain for 6 h with different treatment. (A) The histopathologic evaluation of lung of mice treated with PBS (b), rTREM-1(c), ampicillin (d), and a combination of ampicillin and rTREM-1 (e) at 6 h post infection with highly virulent S. suis strain. The mock infected mice were served as a control (a). The red line represents 20 μm. (B) The comparasion of histopathologic changes of lung of mice infected with highly virulent S. suis strain with different treatment. Five areas were randomly selected from the every histopathologic section and then were scored based on the severity and inflammation. Scores 0, 1, 2, 3, and 4 represent normal, minimal, mild, moderate, and severe histopathologic changes. “*” represents p < 0.05 for the two selected groups.