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Effects of Qu and Qu-PEG NS on RAW 264.7 cells (A) in the absence of LPS and (B) in the presence of LPS on the expression of COX-2, IL-1β, and TNF-α-activated NF-κB (p65) as biomarkers of inflammation. The β-actin was employed as base level of protein expression. * p < 0.05 indicates a significant difference.
