 D Immunoblotting of protein markers of tight junction (ZO-1), adherens junction (β-CATENIN, α-E-CATENIN and PLAKOGLOBIN), and desmosome (PLAKOGLOBIN and DESMOPLAKIN) in colon E Densitometric analysis of Plakoglobin protein levels in (D) (WT n = 6, KO n = 5, P = 0.021) 