基于mTOR/HIF-1α/VEGF信号通路探讨抗纤抑癌方对肝癌前病变大鼠模型的调控作用

李志国; 马浔; 叶永安; 杨先照

doi:10.12449/JCH241019

基于mTOR/HIF-1α/VEGF信号通路探讨抗纤抑癌方对肝癌前病变大鼠模型的调控作用

DOI: 10.12449/JCH241019

李志国^1, , ,,
马浔²,
叶永安³,
杨先照³

1.
北京市丰台中西医结合医院消化科，北京 100072
2.
北京杏园金方国医医院中医科，北京 101300
3.
北京中医药大学肝病研究院，北京 100700

基金项目:

国家自然科学基金青年科学基金项目 (81603555);

北京市自然科学基金青年科学基金项目 (7174319);

北京市丰台中西医结合医院院自然基金 (YS2022-01)

伦理学声明：本研究方案于2017年5月经由北京中医药大学东直门医院实验动物伦理委员会审批，批号：17-05，符合实验室动物管理与使用准则。

利益冲突声明：本文不存在任何利益冲突。

作者贡献声明：叶永安、杨先照对研究的思路或设计有关键贡献；马浔、李志国参与了研究数据的获取分析解释过程；李志国、杨先照参与起草及修改文章关键内容。

详细信息

通信作者:
李志国， lizhiguo1888@163.com （ORCID： 0000-0003-3533-2542）

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出版历程
- 收稿日期: 2024-02-04
- 录用日期: 2024-03-07
- 出版日期: 2024-10-25

Regulatory effect of Kangxian Yiai Prescription in a rat model of precancerous lesions of liver cancer： A study based on the mTOR/HIF-1α/VEGF signaling pathway

Zhiguo LI^{1
, ,
,},
Xun MA²,
Yongan YE³,
Xianzhao YANG³

1.
Department of Gastroenterology，Fengtai Hospital of Integrated Traditional Chinese and Western Medicine，Beijing 100072，China
2.
Department of Traditional Chinese Medicine，Beijing Xing Yuan Jin Fang Clinic of Chinese Medicine，Beijing 101300，China
3.
Institute of Liver Diseases，Beijing University of Chinese Medicine，Beijing 100700，China

Research funding:

National Natural Science Foundation of China Youth Science Fund Project (81603555);

Beijing Natural Science Foundation Youth Science Fund Project (7174319);

Beijing Fengtai Integrated Traditional Chinese and Western Medicine Hospital Natural Science Foundation (YS2022-01)

More Information

Corresponding author: LI Zhiguo， lizhiguo1888@163.com （ORCID： 0000-0003-3533-2542）

摘要

摘要: 目的研究抗纤抑癌方对肝癌前病变大鼠模型mTOR/HIF-1α/VEGF信号通路的影响。方法 40只雄性Wistar大鼠，分为正常组、模型组、抗纤抑癌组和鳖甲软肝组，每组各10只。正常组大鼠腹腔注射生理盐水，剂量为0.4 mL/100 g，其他3组大鼠以50 mg/kg剂量腹腔注射二乙基亚硝胺，制备肝癌前病变大鼠模型。通过免疫组化和Western Blot法检测GST-Pi的表达，实时荧光定量PCR和Western Blot法检测mTOR、HIF-1α、VEGF、M2型丙酮酸激酶（PKM2）、葡萄糖载体蛋白1（GLUT-1） mRNA及蛋白的表达。计量资料多组间比较采用单因素方差分析或Kruskal-Wallis H秩和检验，进一步两两比较采用LSD-t检验。结果与正常组比较，模型组大鼠肝组织GST-Pi蛋白表达显著升高（P<0.01）；与模型组比较，抗纤抑癌组GST-Pi蛋白表达水平显著降低（P<0.05）。与正常组比较，模型组大鼠肝组织GLUT1及PKM2 mRNA的表达均显著升高（P值均<0.01）；与模型组比较，鳖甲软肝组及抗纤抑癌组GLUT1 mRNA的表达均显著降低（P值均<0.05）。与正常组比较，模型组大鼠肝组织GLUT1及PKM2的蛋白表达均显著升高（P值均<0.01）。与正常组比较，模型组大鼠肝组织mTOR、HIF-1α及VEGF的mRNA表达均显著升高（P值均<0.01）；与模型组比较，鳖甲软肝组mTOR及VEGF的mRNA的表达均显著降低（P值均<0.05），抗纤抑癌组mTOR及VEGF mRNA的表达亦显著降低（P值均<0.01）。与正常组比较，模型组大鼠肝组织mTOR、HIF-1α、VEGF的蛋白表达均显著升高（P值均<0.01）；与模型组相比，鳖甲软肝组只有mTOR的蛋白表达显著降低（P<0.01），抗纤抑癌组mTOR、HIF-1α、VEGF的蛋白表达均显著降低（P值均<0.05）；与鳖甲软肝组相比，抗纤抑癌组mTOR的蛋白表达较高（P<0.01）。结论抗纤抑癌方可通过调控mTOR/HIF-1α/VEGF信号抑制肝癌前病变。
- 肝肿瘤 /
- 信号传导 /
- 抗纤抑癌方 /
- 大鼠， Wistar
Abstract: Objective To investigate the effect of Kangxian Yiai Prescription （KXYA） on the mTOR/HIF-1α/VEGF signaling pathway in a rat model of precancerous lesions of liver cancer. Methods A total of 40 male Wistar rats were divided into normal group， model group， KXYA group， and Biejia Rangan Tablets （BJRG） group， with 10 rats in each group. The rats in the normal group were given intraperitoneal injection of normal saline at a dose of 0.4 mL/100 g， and those in the other three groups were given intraperitoneal injection of diethylnitrosamine at a dose of 50 mg/kg to establish a rat model of the precancerous lesions of liver cancer. Immunohistochemistry and Western Blot were used to measure the expression level of GST-Pi， and quantitative real-time PCR and Western Blot were used to measure the mRNA and protein expression levels of mTOR， HIF-1α， VEGF， PKM2， and GLUT1. A one-way analysis of variance or the Kruskal-Wallis H test was used for comparison of continuous data between multiple groups， and the least significant difference t-test was used for further comparison between two groups. Results Compared with the normal group， the model group had a significant increase in the protein expression level of GST-Pi in liver tissue （P<0.01）， and compared with the model group， the KXYA group had a significant reduction in the protein expression level of GST-Pi （P<0.05）. Compared with the normal group， the model group had significant increases in the mRNA expression levels of GLUT1 and PKM2 in liver tissue （P<0.01）， and compared with the model group， the BJRG group and the KXYA group had a significant reduction in the mRNA expression level of GLUT1 （P<0.05）. Compared with the normal group， the model group had significant increases in the protein expression levels of GLUT1 and PKM2 in liver tissue （P<0.01）. Compared with the normal group， the model group had significant increases in the mRNA expression levels of mTOR， HIF-1α， and VEGF in liver tissue （P<0.01）； compared with the model group， the BJRG group had significant reductions in the mRNA expression levels of mTOR and VEGF （P<0.05）， and the KXYA group also had significant reductions in the mRNA expression levels of mTOR and VEGF （P<0.01）. Compared with the normal group， the model group had significant increases in the protein expression levels of mTOR， HIF-1α， and VEGF in liver tissue （P<0.01）； compared with the model group， the BJRG group had a significant reduction in the protein expression level of mTOR （P<0.01）， and the KXYA group had significant reductions in the protein expression levels of mTOR， HIF-1α， and VEGF （P<0.05）； compared with the BJRG group， the KXYA group had a significantly higher protein expression level of mTOR （P<0.01）. Conclusion KXYA can inhibit the precancerous lesions of liver cancer by regulating the mTOR/HIF-1α/VEGF signaling pathway.
- Liver Neoplasms /
- Signal Transduction /
- Kangxian-Yiai Formula /
- Rats， Wistar

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图 1 大鼠肝组织GST-Pi免疫组化（×400）

注： a，正常组；b，模型组；c，鳖甲软肝组；d，抗纤抑癌组。

Figure 1. Rat liver tissue GST-Pi immunohistochemistry （×400）

下载: 全尺寸图片幻灯片

图 2 各组大鼠肝组织GST-Pi蛋白表达情况

Figure 2. Expression of GST-Pi Protein in rat liver tissues

下载: 全尺寸图片幻灯片

图 3 大鼠肝组织GLUT1和PKM2的mRNA表达

Figure 3. mRNA expression of GLUT1 and PKM2 in rat liver tissues

下载: 全尺寸图片幻灯片

图 4 大鼠肝组织GLUT1和PKM2的蛋白表达

Figure 4. Protein expression of GLUT1 and PKM2 in rat liver tissues

下载: 全尺寸图片幻灯片

图 5 大鼠肝组织mTOR、HIF-1α、VEGF的 mRNA表达

Figure 5. mRNA expression of mTOR， HIF-1α， and VEGF in rat liver tissues

下载: 全尺寸图片幻灯片

图 6 大鼠肝组织mTOR、HIF-1α、VEGF蛋白表达

Figure 6. Protein expression of mTOR， HIF-1α， and VEGF in rat liver tissues

下载: 全尺寸图片幻灯片

表 1 实时荧光定量PCR引物序列

Table 1. Real time fluorescence quantitative PCR primer sequence

引物名称	引物序列（5'-3'）	扩增产物长度（bp）
Rat-mTOR	F：TGTCAGCCTGTCAGAATCCA	74
	R：CCATGTTGACCAGCATTTCA
Rat-HIF-1α	F：TGGAAGCACTAGACAAAGCTCA	78
	R：TTGACCATATCGCTGTCCAC
Rat-VEGF	F：GAGTTAAACGAACGTACTTGCAGA	90
	R：TCTAGTTCCCGAAACCCTGA
Rat-PKM2	F：GGAGAAGTGCGATGAGAACAT	141
	R：TCTGTCACCAGGTAGTCAGCAC
Rat-GLUT1	F：GTATCCTGTTGCCCTTCTGC	95
	R：TCGAAGCTTTTTCAGCACAC
GAPDH	F：TCATTGACCTCAACTACATGG	131
	R：TCGCTCCTGGAAGATGGTG

下载: 导出CSV

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