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

Figure 5.

Figure 5

Inflammatory responses upon K. pneumoniae-induced meningitis. Brain tissues retrieved from three of the 1084S- and ΔClbA-inoculated mice which had the highest brain CFU at 24 h post-intravenous-inoculation (IV), 5 days post-intranasal-inoculation (IN), and 7 days post-orogastric-inoculation (OG), were homogenized with lysis buffer, protein-concentration determined, and subjected to quantification of 23 cytokines and chemokines. Inflammatory cytokines, IL-1a (A), IL-1b (B), IL-6 (C), IL-12 (p40) (D), and IL-12 (p70) (E), G-CSF (F), and chemokines, KC (G), MCP-1 (H), MIP-1a (I), and MIP-1b (J), which were significantly induced upon K. pneumoniae 1084S infections are shown. Data are expressed as mean ± SEM. “a” represents a significant increase in the K. pneumoniae 1084S-infected group (black bars) in comparison to the ΔClbA group (slash bars), determined by Student's t-test (one-tailed; p < 0.05).