1.中国中医科学院 中医基础理论研究所,北京 100100
2.北京中医药大学,北京 100029
3.兰溪市中医院,浙江 金华 321100
4.四川大学 华西临床医学院,成都 610041
褚策,在读硕士,从事经典名方现代理论诠释和热敏通道相关理论研究,E-mail:luckycc2022@163.com
汪文来,研究员,从事热敏通道理论及相关机制研究、中医药防治骨质疏松症等疑难杂病作用机制研究,E-mail:wagnwenlai666@163.com
赵红霞,研究员,硕士生导师,从事经典名方中医理论现代研究与诠释、热敏通道理论及相关机制研究,E-mail:zhaohongxia7000@163.com;
收稿:2025-07-04,
修回:2025-09-08,
录用:2025-09-22,
网络首发:2025-09-30,
纸质出版:2026-03-20
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褚策,袁雨露,杨桢等.基于TRPV1调控内皮细胞炎症反应探讨人参汤治疗AS小鼠的作用机制[J].中国实验方剂学杂志,2026,32(06):46-53.
CHU Ce,YUAN Yulu,YANG Zhen,et al.Mechanisms of Renshentang in Treating AS via Regulation of Endothelial Cell Inflammation Based on TRPV1[J].Chinese Journal of Experimental Traditional Medical Formulae,2026,32(06):46-53.
褚策,袁雨露,杨桢等.基于TRPV1调控内皮细胞炎症反应探讨人参汤治疗AS小鼠的作用机制[J].中国实验方剂学杂志,2026,32(06):46-53. DOI: 10.13422/j.cnki.syfjx.20252201.
CHU Ce,YUAN Yulu,YANG Zhen,et al.Mechanisms of Renshentang in Treating AS via Regulation of Endothelial Cell Inflammation Based on TRPV1[J].Chinese Journal of Experimental Traditional Medical Formulae,2026,32(06):46-53. DOI: 10.13422/j.cnki.syfjx.20252201.
目的
2
基于瞬时受体电位香草酸受体亚型1(TRPV1)调控内皮细胞炎症反应探讨人参汤治疗动脉粥样硬化(AS)小鼠的作用机制。
方法
2
采用高脂饲料在载脂蛋白E敲除(ApoE
-/-
)小鼠上建立AS模型,随机分为辛伐他汀组(0.02 g·kg
-1
·d
-1
)与人参汤低、中、高剂量组(剂量分别为1.77、3.54、7.08 g·kg
-1
·d
-1
),ApoE
-/-
小鼠喂食高脂饲料同时给药,每组12只;C57BL/6J小鼠作为正常组喂食普通饲料,共9只。连续给药12周,麻醉后取小鼠主动脉。大体油红O观察主动脉脂质斑块情况;苏木素-伊红(HE)染色法观察主动脉根部病理变化;免疫组化法分析小鼠主动脉根部促炎因子肿瘤坏死因子-
α
(TNF-
α
)、白细胞介素-1
β
(IL-1
β
)水平及TRPV1、磷酸化-磷脂酰肌醇3-激酶(p-PI3K)、磷酸化-蛋白激酶B (p-Akt)的表达水平;实时荧光定量聚合酶链式反应(Real-time PCR)检测小鼠主动脉内皮型一氧化氮合酶(eNOS) mRNA的表达水平;蛋白免疫印迹法检测TRPV1表达水平。
结果
2
与正常组比较,模型组主动脉斑块显著增加(
P
<
0.01),主动脉根部TNF-
α
、IL-1
β
水平均显著升高(
P
<
0.01)。TRPV1、p-PI3K、p-Akt表达水平降低(
P
<
0.05,
P
<
0.01),eNOS mRNA的表达水平降低(
P
<
0.05,
P
<
0.01)。与模型组比较,人参汤各剂量组均可显著减少主动脉斑块(
P
<
0.01),显著降低TNF-
α
、IL-1
β
水平(
P
<
0.01),TRPV1、p-PI3K、p-Akt、eNOS mRNA的表达水平明显增加(
P
<
0.05,
P
<
0.01)。
结论
2
人参汤通过提高TRPV1蛋白的表达水平,上调PI3K/Akt/eNOS信号通路从而抑制内皮细胞炎症,抑制AS的形成,可能是其治疗AS的分子机制之一。
Objective
2
To investigate the mechanisms by which Renshentang treats atherosclerosis (AS) in mice, focusing on the regulation of endothelial inflammatory responses mediated by transient receptor potential vanilloid subtype 1 (TRPV1).
Methods
2
An AS model was established in apolipoprotein E knockout (ApoE
-/-
) mice fed a high-fat diet. The mice were randomly divided into a simvastatin group (0.02 g·kg
-1
·d
-1
) and low-, medium-, and high-dose Renshentang groups (1.77, 3.54, 7.08 g·kg
-1
·d
-1
), with 12 mice in each group. ApoE
-/-
mice were fed a high-fat diet and treated simultaneously. C57BL/6J mice fed a normal diet served as the normal group (
n
=9). After continuous administration for 12 weeks, mice were anesthetized and the aortas were collected. Oil Red O staining was used to observe lipid plaque formation in the aorta. Hematoxylin-eosin (HE) staining was performed to examine pathological changes in the aortic root. Immunohistochemistry was used to analyze the levels of pro-inflammatory factors tumor necrosis factor-
α
(TNF-
α
) and interleukin-1
β
(IL-1
β
), as well as the expression of TRPV1, phosphorylated phosphoinositide 3-kinase (p-PI3K), and phosphorylated protein kinase B (p-Akt) in the aortic root. Real-time quantitative polymerase chain reaction (Real-time PCR) was used to detect endothelial nitric oxide synthase (eNOS) mRNA expression in the aorta, and Western blot was used to detect TRPV1 protein expression.
Results
2
Compared with the normal group, the model group showed a significant increase in aortic plaque formation (
P
<
0.01) and significantly elevated levels of TNF-
α
and IL-1
β
in the aortic root (
P
<
0.01). The expression levels of TRPV1, p-PI3K, and p-Akt were decreased (
P
<
0.05,
P
<
0.01), and eNOS mRNA expression was reduced (
P
<
0.05,
P
<
0.01). Compared with the model group, all Renshentang groups significantly reduced aortic plaque formation (
P
<
0.01), significantly decreased TNF-
α
and IL-1
β
levels (
P
<
0.01), and markedly increased the expression levels of TRPV1, p-PI3K, p-Akt, and eNOS mRNA (
P
<
0.05,
P
<
0.01).
Conclusion
2
Renshentang may inhibit endothelial inflammation and suppress the formation of AS by increasing TRPV1 protein expression and up-regulating the PI3K/Akt/eNOS signaling pathway, which may be one of the molecular mechanisms underlying its therapeutic effect against AS.
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