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Western blot analysis on the expression of NF-κB, IκBα, TGF-β, and pSmad2 in lungs. Representative blots (left) and quantitative data (right) on the expression of NF-κB p65 (A), IκBα (B), TGF-β (C), pSmad2 (D) in lungs are shown. Data are normalized to α-Tubulin or GAPDH, and represented as means ± SD. *p < 0.05, **p < 0.01 vs CON group, †p < 0.05, ††p < 0.01 vs IR group. CON: Control, IR: Radiation, IR + N: Radiation+Nicaraven.
