Research Article

The Antitumor Effect of Xihuang Pill on Treg Cells Decreased in Tumor Microenvironment of 4T1 Breast Tumor-Bearing Mice by PI3K/AKT~AP-1 Signaling Pathway

Figure 4

Blue: DAPI for the nucleus. Green: Foxp3+ cells. Blue-green: Merge. Scale: 20 μm.