Gegen Qinlian decoction enhances immunity and protects intestinal barrier function in colorectal cancer patients via gut microbiota

Figure 4 Gegen Qinlian decoction enhanced intestinal barrier function. A: The expression of zonula occludens (ZO)-1, occludin, nuclear factor (NF)-κB and tumor necrosis factor (TNF)-α in tumor and normal tissues between the control and treatment groups determined by immunohistochemistry (× 400 magnification); B-E: Histogram showing the expression of ZO-1, occludin, NF-κB and TNF-α (^aP < 0.05). ZO-1: Zonula occludens-1; NF-κB: Nuclear factor-κB; TNF-α: Tumor necrosis factor-α.