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Nicotine treatment suppressed NF‐κB activation in LPS‐stimulated RAW264.7 cells (n=8 for each group). α‐Bungarotoxin (α‐Bgt) partly inhibited the effect of nicotine on nuclear translocation of LPS‐induced NF‐κB p65. NF‐κB p65 antibody labeled in green with FITC. The nuclei were stained in blue with 40,6‐diamidino‐2‐phenylindole. LPS indicates lipopolysaccharide; Nic, nicotine.
