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安徽中医药大学,合肥 230012
沈瑞,在读硕士,从事中医药防治肿瘤研究,E-mail: shenrui28256@163.com
宋航,博士,教授,博士生导师,从事中医药防治肿瘤研究,E-mail: hangsong@ahtcm.edu.cn
收稿日期:2022-03-29,
网络出版日期:2022-08-18,
纸质出版日期:2023-03-20
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沈瑞,徐静,王雷等.灵芝多糖调控PI3K/Akt信号通路抑制肝癌细胞恶性表型[J].中国实验方剂学杂志,2023,29(06):88-94.
SHEN Rui,XU Jing,WANG Lei,et al.Ganoderma lucidum Polysaccharides Inhibit Malignant Phenotype of Hepatocellular Carcinoma Cells by Regulating PI3K/Akt Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(06):88-94.
沈瑞,徐静,王雷等.灵芝多糖调控PI3K/Akt信号通路抑制肝癌细胞恶性表型[J].中国实验方剂学杂志,2023,29(06):88-94. DOI: 10.13422/j.cnki.syfjx.2022002023.
SHEN Rui,XU Jing,WANG Lei,et al.Ganoderma lucidum Polysaccharides Inhibit Malignant Phenotype of Hepatocellular Carcinoma Cells by Regulating PI3K/Akt Signaling Pathway[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(06):88-94. DOI: 10.13422/j.cnki.syfjx.2022002023.
目的
2
观察灵芝多糖对肝癌细胞SK-HEP-1和Huh-7增殖、迁移、细胞周期及凋亡的影响,同时探讨其可能的作用机制。
方法
2
将肝癌细胞SK-HEP-1和Huh-7作为主要研究对象,设立空白组和灵芝多糖低、中、高组(3.5、7、14 g·L
-1
)。细胞增殖与活性检测-8(CCK-8)法检测灵芝多糖对肝癌细胞增殖能力的影响;划痕实验检测灵芝多糖对肝癌细胞迁移能力的影响;流式细胞术测定灵芝多糖对肝癌细胞周期的影响;Hoechst33258染色法测定灵芝多糖对肝癌细胞凋亡的影响,通过蛋白免疫印迹法检测灵芝多糖对肝癌细胞磷脂酰肌醇3-激酶(PI3K)、蛋白激酶B(Akt)、磷酸化PI3K(p-PI3K)、磷酸化Akt(p-Akt)蛋白表达水平的影响。
结果
2
与空白组比较,灵芝多糖低、中、高组SK-HEP-1和Huh-7细胞增殖和迁移能力降低(
P
<
0.05);灵芝多糖低、中、高组G
1
期细胞比例升高(
P
<
0.05),S期和G
2
期细胞比例降低(
P
<
0.05);灵芝多糖低、中、高组可以诱导2种肝癌细胞凋亡,并且药物浓度越高作用越明显。与空白组比较,灵芝多糖低、中、高组PI3K和Akt的磷酸化水平降低(
P
<
0.05)。
结论
2
灵芝多糖对肝癌细胞SK-HEP-1和Huh-7的恶性表型有显著抑制作用,其作用机制与PI3K/Akt信号通路有关。
Objective
2
To investigate the effect of
Ganoderma lucidum
polysaccharides (GLP) on the proliferation, migration, cycle, and apoptosis of hepatocellular carcinoma SKHEP1 and Huh7 cells and to explore the underlying mechanism.
Method
2
SK-HEP-1 and Huh-7 cells were classified into the blank group and low-, medium-, and high-dose GLP groups (3.5, 7, 14 g·L
-1
). The proliferation of the cells was examined by cell counting kit-8 (CCK8) assay, and the migration by scratch assay. Cell cycle was measured by flow cytometry and apoptosis was detected based on Hoechst33258 staining. In addition, the expression of phosphatidylinositol 3-kinase (PI3K), protein kinase B (Akt), phosphorylated PI3K (pPI3K), and phosphorylated Akt (pAkt) in the cells was determined by Western blot.
Result
2
Compared with the blank group, the three doses of GLP reduced the proliferation and migration of SKHEP1 and Huh7 cells (
P
<
0.05), increased the percentage of cells in G
1
phase (
P
<
0.05), and decreased percentage of cells in S and G
2
phase (
P
<
0.05). In addition, the three doses can induce apoptosis of both SK-HEP-1 and Huh-7 cells, particularly the high dose. Moreover, the three doses of GLP lowered the levels of pPI3K and pAkt (
P
<
0.05).
Conclusion
2
GLP significantly inhibited the malignant phenotype of SK-HEP-1 and Huh-7 cells through the PI3K/Akt signaling pathway.
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