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Representative light microscopy images of J774A.1 macrophages. (a) Macrophages 24 h after prestimulation with 1-µg/mL lipopolysaccharides (LPS). (b) Unstimulated macrophages. After stimulation, the change in cell morphology (larger cells with more protrusions) is visible in comparison to more round cells in the control culture. Scale bar: 100 µM.
