Nuclei isolated from THP-1 cells were fluorescence-stained for NF-κB p50 subunit or NF-κB p65 subunit before (filled area) or after cells were treated with 1 mg/ml of 10 kDa dCGN (C10), or with 1 mg/ml of 40 kDa dCGN (C40) for 30 minutes at 37°C.