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Morphological change of DC 24 hr after exposure to S. typhimurium. Morphological change of DC 24 hr after exposure to low dose of S. typhimurium(a) and negative control (b). Bar 25 µm. Confocal microscopy showed morphological change occurred to some cells without intracellular bacteria (c). Equally, there were some extracellular Salmonella. Green: phalloidin, Red: anti-S. typhimurium LPS, Blue: To-PRO-3 (nuclei). Bar 50 µm.
