1.河南中医药大学,郑州 450046
2.河南中医药大学 第一附属医院,郑州 450000
邵范雷,在读硕士,从事中医药防治消化系统疾病的研究,E-mail: 1170053106@qq.com
刘卫红,硕士,主任药师,从事中药学研究,E-mail: lwh_c@163.com
收稿:2022-12-13,
网络出版:2023-02-01,
纸质出版:2024-02-20
移动端阅览
邵范雷,陈秋平,毕倩等.鳖甲煎丸调控lncRNA SNHG5/miRNA-26a-5p/GSK-3β信号轴干预原发性肝癌的作用机制[J].中国实验方剂学杂志,2024,30(04):107-113.
SHAO Fanlei,CHEN Qiuping,BI Qian,et al.Intervention Mechanism of Biejiajian Wan on Primary Liver Cancer by Regulating lncRNA SNHG5/miRNA-26a-5p/GSK-3β Signal Axis[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(04):107-113.
邵范雷,陈秋平,毕倩等.鳖甲煎丸调控lncRNA SNHG5/miRNA-26a-5p/GSK-3β信号轴干预原发性肝癌的作用机制[J].中国实验方剂学杂志,2024,30(04):107-113. DOI: 10.13422/j.cnki.syfjx.20230730.
SHAO Fanlei,CHEN Qiuping,BI Qian,et al.Intervention Mechanism of Biejiajian Wan on Primary Liver Cancer by Regulating lncRNA SNHG5/miRNA-26a-5p/GSK-3β Signal Axis[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(04):107-113. DOI: 10.13422/j.cnki.syfjx.20230730.
目的
2
基于长链非编码RNA SNHG5 (lncRNA SNHG5) /微小RNA-26a-5p (miRNA-26a-5p) /糖原合成酶激酶-3
β
(GSK-3
β
) 信号轴探究鳖甲煎丸干预原发性肝癌的作用机制。
方法
2
双荧光素酶报告实验验证HepG2细胞内lncRNA SNHG5与miRNA-26a-5p,miRNA-26a-5p与GSK-3
β
的靶向互作关系。建立人肝癌HepG2裸鼠移植瘤模型,随机分为模型组,鳖甲煎丸低、中、高剂量组(0.5、1.0、2.0 g·kg
-1
),索拉非尼组(100 mg·kg
-1
),每组10只。分别予以生理盐水或药物灌胃28 d,并于不同时间测量裸鼠瘤体积。苏木素-伊红(HE)染色观察肿瘤组织形态学改变;实时荧光定量聚合酶链式反应(Real-time PCR)检测肿瘤组织中lncRNA SNHG5、miRNA-26a-5p、GSK-3
β
及
β
-连环蛋白(
β
-catenin)
mRNA的核酸水平差异;蛋白免疫印迹法(Western blot)检测肿瘤组织中GSK-3
β
、
β
-catenin的蛋白表达水平。
结果
2
与SNHG5-野生型(WT)+miRNA内参(NC)组比较,SNHG5-WT+miRNA-26a-5p mimic(模拟物)组的相对荧光素酶活性明显降低(
P
<
0.05)。与GSK-3
β
-WT+miRNA NC组比较,GSK-3
β
-WT+miRNA-26a-5p mimic组的相对荧光素酶活性明显降低(
P
<
0.05)。与模型组比较,鳖甲煎丸低、中、高剂量组裸鼠肿瘤体积明显减小(
P
<
0.05,
P
<
0.01)。与模型组比较,鳖甲煎丸各剂量组裸鼠瘤体组织内细胞排列明显稀疏,部分细胞坏死,且呈浓度依赖性变化。与模型组比较,鳖甲煎丸各剂量组lncRNA SNHG5、GSK-3
β
及
β
-catenin的表达均明显下降(
P
<
0.05,
P
<
0.01),miRNA-26a-5p的表达均明显升高(
P
<
0.05,
P
<
0.01)。与模型组比较,鳖甲煎丸各剂量组的关键蛋白GSK-3
β
及
β
-catenin表达均明显降低(
P
<
0.05,
P
<
0.01)。
结论
2
鳖甲煎丸可能通过lncRNA SNHG5/miRNA-26a-5p/GSK-3
β
信号轴,影响肝癌细胞坏死从而发挥抗肿瘤作用,该研究为鳖甲煎丸临床应用提供更多的理论依据。
Objective
2
To investigate the mechanism of Biejiajian Wan in the intervention of primary liver cancer based on long non-coding RNA SNHG5 (lncRNA SNHG5)/micro RNA-26a-5p (miRNA-26a-5p)/glycogen synthase kinase-3
β
(GSK-3
β
) signal axis.
Method
2
Double luciferase reporting assay was used to verify the targeted interaction between lncRNA SNHG5 and miRNA-26a-5p, miRNA-26a-5p, and GSK-3
β
in HepG2 cells. Nude-mouse transplanted tumor model of human HepG2 were established and randomly divided into model group, Biejiajian Wan low-dose group (0.5 g·kg
-1
), medium-dose group (1.0 g·kg
-1
), and high-dose group (2.0 g·kg
-1
), and sorafenib group (100 mg·kg
-1
), with 10 mice in each group. The mice were given intragastric administration of normal saline or drug for 28 days, and the tumor volume was measured at different time. Hematoxylin-eosin (HE) staining was used to observe the histological changes of tumors. The nucleic acid levels of lncRNA SNHG5, miRNA-26a-5p, GSK-3
β
, and
β-
catenin mPNA in tumor tissue were detected by real-time quantitative polymerase chain reaction (Real-time PCR). The protein expression levels of GSK-3
β
and
β
-catenin in tumor tissue were detected by western blot.
Result
2
Compared with the SNHG5-WT (wild type) + miRNA NC (negative control) group, the relative luciferase activities of the SNHG5-WT + miRNA-26a-5p mimic group were decreased (
P
<
0.05). Compared with the GSK-3
β
-WT + miRNA NC group, the relative luciferase activity of the GSK-3
β
-WT + miRNA-26a-5p mimic group was decreased (
P
<
0.05). Compared with the model group, the tumor volume of Biejiajian Wan low-dose, medium-dose, and high-dose groups was significantly decreased (
P
<
0.05,
P
<
0.01). Compared with the model group, the cells in the tumor tissue of nude mice in each dose group of Biejiajian Wan were sparsely arranged with necrocytosis, which showed concentration-dependent changes. Compared with the model group, the expression levels of lncRNA SNHG5, GSK-3
β
, and
β
-catenin were decreased (
P
<
0.05,
P
<
0.01), while the expression of miRNA-26a-5p was increased in each dose group of Biejiajian Wan (
P
<
0.05,
P
<
0.01). Compared with the model group, the protein expression levels of GSK-3
β
and
β
-catenin were decreased in each dose group of Biejiajian Wan (
P
<
0.05,
P
<
0.01).
Conclusion
2
Biejiajian Wan may affect the necrosis of liver cancer cells through lncRNA SNHG5/miRNA-26a-5p/GSK-3
β
signal axis and thus play an anti-tumor role. This research will provide more theoretical basis for the clinical application of Biejiajian Wan.
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