Immunoblot analysis of IκBα phosphorylation and degradation as well as p65/RelA phosphorylation in healthy control or OTULING281R fibroblasts primary fibroblasts in response to stimulation with TNF (10 ng/mL). Data are representative of three independent experiments. Immunoblot analysis of phosphorylation of the MAP kinases p38 and JNK in healthy control or OTULING281R primary fibroblasts in response to stimulation with TNF (10 ng/mL). Data are representative of three independent experiments. 