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. 2018 Feb 13;9:211. doi: 10.3389/fimmu.2018.00211

Figure 5.

Figure 5

Beta-defensins 2 (BD2) and beta-defensins 3 (BD3) promoted macrophage-mediated phagocytosis and intracellular killing of Pseudomonas aeruginosa (PA) by inhibiting autophagy. RAW264.7 cells were transfected with siBD2, siBD3, siBecin1, or siATG7 for 24 h, and infected with PA at multiplicity of infection 25 for 1 or 2 h. Microtubule-associated protein 1 light chain 3 (LC3)-II protein expression was determined by western blot (A,D). Phagocytosis (B,E) and intracellular killing (C,F) was accessed by plate count assay. Data are shown as the mean ± SEM of three independent experiments (**p < 0.01; ***p < 0.001).