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NF-κB activity in colon tissue homogenates after treatment of experimental colitis (90 mg/kg TNBS) with 30 mg/kg chitosans of different DD (70% and 95%) and viscosities (10 and 3000 mPas) in combination with 30 mg/kg 5-ASA, (−): healthy control, (+): untreated colitis control (mean ± SD; n = 5; * p < 0.05 compared to 5-ASA 30 mg/kg, § p < 0.05; §§ p < 0.01 compared to colitis control, Dunnett’s test.).
