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1.上海中医药大学附属龙华医院肿瘤二科(上海 200032)
2.上海中医药大学附属龙华医院全国名老中医专家工作室(上海 200032)
Received:03 September 2024,
Published:10 February 2025
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吴新鸿,王立芳,王中奇,等.基于MAPK信号通路探讨肺岩宁颗粒逆转T细胞衰老抗非小细胞肺癌的作用机制[J].上海中医药杂志,2025,59(2):71-79.
WU Xinhong,WANG Lifang,WANG Zhongqi,et al.Exploration of anti‑non‑small cell lung cancer mechanism of Feiyanning Granules by reversing T cell senescence based on MAPK signaling pathway[J].Shanghai Journal of Traditional Chinese Medicine,2025,59(2):71-79.
吴新鸿,王立芳,王中奇,等.基于MAPK信号通路探讨肺岩宁颗粒逆转T细胞衰老抗非小细胞肺癌的作用机制[J].上海中医药杂志,2025,59(2):71-79. DOI: 10.16305/j.1007-1334.2025.z20240903003.
WU Xinhong,WANG Lifang,WANG Zhongqi,et al.Exploration of anti‑non‑small cell lung cancer mechanism of Feiyanning Granules by reversing T cell senescence based on MAPK signaling pathway[J].Shanghai Journal of Traditional Chinese Medicine,2025,59(2):71-79. DOI: 10.16305/j.1007-1334.2025.z20240903003.
目的
2
探究肺岩宁颗粒抗非小细胞肺癌(NSCLC)的作用,及其对肺肿瘤组织中T细胞的比例、T细胞衰老相关细胞因子的作用及机制。
方法
2
SPF级C57BL/6J小鼠24只,尾静脉注射Lewis肺癌细胞LLC-luc构建小鼠肺肿瘤模型,随机分为模型对照组(Model组)、肺岩宁组(FYN组)和阳性对照组(SB225002组),每组8只;另取8只设无瘤对照组(Control组)。实验开始第1天起,Control组和Model组小鼠给予等体积0.9%氯化钠溶液灌胃,FYN组给予肺岩宁颗粒溶液4.8 g/(kg·d)灌胃,SB225002组给予CXC趋化因子受体2(CXCR2)抑制剂SB225002 5 mg/(kg·d)腹腔注射,连续干预20 d。观察小鼠一般情况,记录体质量及肺组织质量,苏木精-伊红(HE)染色法观察肺组织形态,流式细胞术检测肺肿瘤组织CD4
+
T细胞、CD8
+
T细胞和T细胞比例,免疫组织化学法检测肺肿瘤组织精氨酸酶-1
(Arg-1)、细胞间黏附分子-1(ICAM-1)和肿瘤蛋白p53(p53)蛋白表达,实时荧光定量逆转录聚合酶链式反应(RT-qPCR)法检测肺肿瘤组织白细胞介素-6(
IL⁃6
)、肿瘤坏死因子-α(
TNF⁃α
)和转化生长因子-β(
TGF
-
β
)mRNA表达,Western blot法检测肺肿瘤组织Arg-1、ICAM-1蛋白表达,以及丝裂原活化蛋白激酶(MAPK)通路蛋白[细胞外信号调节激酶(ERK1/2)、磷酸化细胞外信号调节激酶(p-ERK1/2)、p38 MAPK和磷酸化p38 MAPK(p-p38 MAPK)]的表达。
结果
2
与Control组比较,Model组、FYN组和SB225002组平均体质量在15 d后增长减缓,其中Model组出现明显差异(
P
<
0.05,
P
<
0.01),FYN组和SB225002组差异无统计学意义(
P>
0.05);与Model组相比,FYN组和SB225002组体质量增幅较大,但差异无统计学意义(
P
>
0.05)。与Model组相比,FYN组和SB225002组肺组织炎症浸润减少,肺泡淤血减少,肺泡形态较为正常,肺组织平均质量降低(
P
<
0.01,
P
<
0.001);FYN组和SB225002组肺肿瘤组织中T细胞和CD8
+
T细胞比例升高(
P
<
0.05);FYN组和SB225002组肺肿瘤组织中
IL⁃6、TNF⁃α、TGF⁃β
mRNA及Arg-1、p53、p-ERK1/2和p-p38 MAPK蛋白表达水平降低(
P
<
0.05,
P
<
0.01,
P
<
0.001),ICAM-1表达水平升高(
P
<
0.05,
P
<
0.001)。
结论
2
肺岩宁颗粒能够抑制小鼠NSCLC进展,增加肺部肿瘤组织T细胞的浸润与活化,降低T细胞衰老相关细胞因子和蛋白的表达,其机制可能与其参与调节MAPK信号通路而逆转T细胞衰老有关。
Objective
2
To explore the effect of Feiyanning Granules on non-small cell lung cancer (NSCLC), and its effect and mechanism on the proportion of T cells as well as T cell aging-related cytokines and proteins in lung tumor tissue.
Methods
2
Twenty-four SPF C57BL/6J mice were injected with Lewis lung cancer cells LLC-luc through the tail vein to establish a mouse lung tumor model. They were randomly divided into model control group (Model group), Feiyanning group (FYN group) and positive control group (SB225002 group), with 8 mice in each group. A tumor-free control group (Control group) was also set up with 8 mice. From the first day of the experiment, mice in the Control group and the Model group were given an equal volume of sodium chlorid
e solution (9 g/L) by gavage, the FYN group was given Feiyanning Granules solution 4.8 g/(kg·d) by gavage, and the SB225002 group was given a CXC chemokine receptor 2 (CXCR2) inhibitor SB225002 5 mg/(kg·d) by intraperitoneal injection. The intervention was continued for 20 d. The general conditions of the mice were observed, and the body mass and lung tissue mass were recorded. The morphology of lung tissue was observed by hematoxylin-eosin (HE) staining. The ratios of CD4
+
T cells, CD8
+
T cells and T cells in lung tumor tissues were detected by flow cytometry. The protein expressions of arginase-1 (Arg-1), intercellular adhesion molecule-1 (ICAM-1) and tumor protein p53 (p53) in lung tumor tissues were detected by immunohistochemistry. The mRNA expressions of interleukin-6 (
IL
-
6
), tumor necrosis factor-α (
TNF
-
α
) and transforming growth factor-β (
TGF
-
β
) in lung tumor tissues were detected by real-time fluorescence quantitative reverse transcription polymerase chain reaction (RT-qPCR). The protein expressions of Arg-1 and ICAM-1 in lung tumor tissues, as well as the expression of mitogen-activated protein kinase (MAPK) pathway proteins [extracellular signal-regulated kinase (ERK1/2), phosphorylated extracellular signal-regulated kinase (p-ERK1/2), p38 MAPK and phosphorylated p38 MAPK (p-p38 MAPK)] were detected by Western blot.
Results
2
Compared with the Control group, the average body mass of the Model group, FYN group and SB225002 group slowed down after 15 d, among which the Model group showed significant difference (
P
<
0.05,
P
<
0.01), while there was no significant difference between the FYN group and the SB225002 group (
P
>
0.05). Compared with the Model group, the FYN group and the SB225002 group showed a greater increase in body mass, but the difference was not statistically significant (
P
>
0.05). Compared with the Model group, the inflammatory infiltration of lung tissues in the FYN and SB225002 groups was reduced, alveolar congestion was reduced, alveolar morphology was relatively normal, and the average mass of lung tissues was reduced (
P
<
0.01,
P
<
0.001); the proportions of T cells and CD8
+
T cells in lung tumor tissues of the FYN and SB225002 groups were increased (
P
<
0.05); the expression levels of
IL
-
6, TNF
-
α
and
TGF
-
β
mRNA, as well as Arg-1, p53, p-ERK1/2 and p-p38 MAPK proteins in lung tumor tissues of the FYN and SB225002 groups were decreased (
P
<
0.05,
P
<
0.01,
P
<
0.001), and the expression level of ICAM-1 was increased (
P
<
0.05,
P
<
0.001).
Conclusions
2
Feiyanning Granules can inhibit the progression of NSCLC in mice, increase the infiltration and activation of T cells in lung tumor tissues, and reduce the expressions of T cell aging-related cytokines and proteins. Its mechanism may be related to the participation in regulating the mitogen-activated protein kinase (MAPK) signaling pathway to reverse T cell aging.
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