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

Evidence-based Complementary and Alternative Medicine : ECAM
Xinye LiWen-Bo Liang

Abstract

To study the antitumor effect of Xihuang pill (XHP) on the number of Treg cells in the tumor microenvironment of 4T1 breast tumor-bearing mice by PI3K/AKT/AP-1 pathway, a mouse model was established. Flow cytometry (FCM) and immunohistochemistry (IHC) were used to detect the number of Treg cells in the tumor microenvironment; terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) was used to detect the apoptosis of Treg cells in tumor microenvironment. Quantitative real-time PCR (RT-qPCR) was used to detect the mRNA expression of PI3K, AKT, and AP-1 in Treg cells in tumor microenvironment; immunofluorescence (IF) and Western Blot (WB) were used to detect the protein expression of PI3K, AKT, and AP-1 in Treg cells in tumor microenvironment. Compared with the naive control group, the tumor weight in XHP groups decreased significantly (P < 0.05); FCM and IHC results showed that the number of Treg cells in the tumor microenvironment decreased with the dose of XHP groups (P < 0.05); TUNEL staining showed that the number of Treg cells in tumor microenvironment increased with the dose of XHP groups (P < 0.05); RT-qPCR results showed that the mRNA expression of PI3K and AKT in Treg cells decreased with the dose of XHP gro...Continue Reading

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Citations

Apr 18, 2019·Evidence-based Complementary and Alternative Medicine : ECAM·Dan MaoSifang Zhang
Jan 30, 2019·Journal of Oncology·Rana G Zaini, Amani A Al-Rehaili
Nov 6, 2020·Acta Pharmaceutica : a Quarterly Journal of Croatian Pharmaceutical Society and Slovenian Pharmaceutical Society, Dealing with All Branches of Pharmacy and Allied Sciences·Qingfang ZengWei Zhou

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Methods Mentioned

BETA
flow cytometry
PCR
electrophoresis

Software Mentioned

SPSS17

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