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. 2017 Mar 31;7:103. doi: 10.3389/fcimb.2017.00103

Figure 6.

Figure 6

Immunohistochemical analysis of MMP-9 and LCN-2 expression in the brain upon K. pneumoniae 1084S infections. Representative images of brain sections retrieved from the control mice (A,G), the ΔClbA-inoculated mice (B,H), and the 1084-inoculated mice which developed meningitis (C–F) at the 7th day post-orogastric-inoculation are shown. Brown staining (arrows) indicates a positive reaction with the respective antibody against MMP-9 (A–E) and LCN-2 (F–H). Scale bar: 50 μm.