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Figure 10 | BMC Microbiology

Figure 10

From: Lipopolysaccharide (LPS)-induced autophagy is involved in the restriction of Escherichia coliin peritoneal mesothelial cells

Figure 10

Knockdown of TLR4 inhibits LPS induced autophagy and bactericidal activity. After transiently transfected with negative control siRNA or TLR4 siRNA, the HMrSV5 cells were incubated with LPS (1.0 μg/ml) for 12 hours. (A) The panel shows representative images of western blots probed with antibodies against TLR4, Beclin-1, LC3-II and β-actin. (B) Densitometric analysis of the blots showing the ratios of TLR4 to β-actin in Figure 10A. (C) Densitometric anaysis of the blots showing the ratios of Beclin-1 and LC3-II to β-actin in Figure 10A. * and ** denote p < 0.05 and p < 0.01 respectively in Figure 10B and 10C (vs. control); # and ## denote p < 0.05 and p < 0.01 respectively in Figure 10B and 10C (vs. LPS). (D) Graph represents percentage of remaining E.coli at different time points in each group treated as described above. Data are mean values ± SD (n ≥3). * and ** denote p < 0.05 and p < 0.01 respectively (LPS vs. control); # and ## denote p < 0.05 and p < 0.01 respectively (LPS + TLR4 siRNA vs. LPS).

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