Oncotarget

Research Papers:

QiShenYiQi pill attenuates atherosclerosis by promoting regulatory T cells, inhibiting T helper 17 cells and accelerating cholesterol excretion

Li Peng _, Chong-Shan Lv, Yun Zhao, Shao-Dong Chen, Yang Huang, Da-Wei Lu, Shu-Qiong Huang, Zong-Bao Yang, Lin-Chao Qian and Lei Wen

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Oncotarget. 2017; 8:82196-82206. https://doi.org/10.18632/oncotarget.19072

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Abstract

Li Peng1, Chong-Shan Lv1, Yun Zhao1, Shao-Dong Chen1, Yang Huang1, Da-Wei Lu1, Shu-Qiong Huang1, Zong-Bao Yang1, Lin-Chao Qian1 and Lei Wen1

1Department of Traditional Chinese Medicine, Medical College, Xiamen University, Xiamen 361102, China

Correspondence to:

Li Peng, email: [email protected]

Lei Wen, email: [email protected]

Keywords: atherosclerosis, regulatory T cell, interleukin-17, cholesterol excretion, QiShenYiQi

Received: March 24, 2017     Accepted: June 05, 2017     Published: July 07, 2017

ABSTRACT

Objective: The aim of this study was to explore potential immunoregulatory mechanisms underlying the suppressive effect on atherosclerosis of QiShenYiQi pill (QSYQ).

Methods and Results: Male ApoE-/- mice were maintained on a Western-type diet and QSYQ treatment for eight weeks. Determination of atherosclerosis demonstrated that QSYQ attenuated plaque formation and decreased the level of blood low-density lipoproteins-cholesterol. QSYQ treatment did not affect body weight but reduced the ratio of liver weight and body weight. Western blots of liver showed that QSYQ increased the expression of liver X receptor alpha and ATP-binding cassette sub-family G member 5. Western blots of atherosclerotic aorta revealed that QSYQ inhibited the expression of cluster of differentiation 36, promoted the expression of forkhead box P3 and decreased interleukin-17A expression. Western blots of spleen showed that QSYQ decreased the expression of mothers against decapentaplegic homolog 2/3 and forkhead box P3, as well as attenuated the expression of spleen interleukin-6, RAR-related orphan receptor gamma and interleukin-17A.

Conclusions: QSYQ exerted an anti-atherosclerosis effect by promoting regulatory T cells in atherosclerotic lesion, inhibiting T helper 17 cells in plaque and spleen and accelerating liver cholesterol excretion.


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