Lactobacillus plantarum inhibits epithelial barrier dysfunction and interleukin-8 secretion induced by tumor necrosis factor-α

Figure 4 Effect of L. plantarum on IκB-α degradation. Caco-2 cells were incubated with L. plantarum, TNF-α or L. plantarum plus TNF-α. Cell lysates were immunoblotted with antibodies against IκB-α. TNF-α caused degradation of IκB-α. L. plantarum inhibited TNF-α-induced IκB-α degradation. LP: L. plantarum; TNF, TNF-α.