C Luciferase assay of WT or Cuedc2-/- MEFs transiently transfected with an NF-κB-responsive luciferase reporter and then, 1 d later, treated for 6 h with TNF (10 ng/ml; TNF) or for H/R. * p = 0.0032, n = 3 per group, ** p = 0.013, n = 3 per group. 