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Observation of lipid accumulation in hepatic cells after treatment with IL-1β. (A) HepG2 cells were incubated with or without 20 ng mL−1 of IL-1β as indicated. Accumulation of lipids was visualized by Nile red staining. Cells were counterstained with Hoechst. (B) The concentration of triglycerides (TG) in HepG2 cells was measured as described in Experimental procedures. Data are expressed as the mean ± SEM. *P < 0.05 vs. control group.
