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Figure 7 | BMC Microbiology

Figure 7

From: Molecular characterization of Legionella pneumophila-induced interleukin-8 expression in T cells

Figure 7

Bay 11-7082 blocks L. pneumophila -induced NF-κB activation and IL-8 secretion. Jurkat cells were pretreated with or without Bay 11-7082 (20 μM) for 1 h prior to L. pneumophila Corby infection and subsequently were infected with Corby (MOI, 100:1) for the indicated times. Cell lysates were prepared and subjected to immunoblotting with the indicated antibodies (A) and nuclear extracts from the harvested cells were analyzed for NF-κB and Oct-1 (B). Jurkat cells were pretreated with the indicated concentrations of Bay 11-7082 for 1 h prior to Corby infection and subsequently infected with Corby (MOI, 100:1) for 4 h (C) and 24 h (D). IL-8 mRNA expression on the harvested cells was analyzed by RT-PCR (C) and the supernatants were subjected to ELISA to determine IL-8 secretion (D). Data in (A)-(C) are representative examples of three independent experiments with similar results. Data are mean ± SD from three experiments.

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