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 5

Treg cells apoptosis in tumor microenvironment. Scale: 20 μm. (a) Treg cells apoptosis was detected by TUNEL staining. (b) The number of Treg cells apoptoses per mm2 was quantified by cell count.
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