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辽宁中医药大学 中医学院,沈阳 110032
徐爽,硕士,从事中医方药理论与效用机制研究,E-mail:603145884@qq.com
刘立萍,教授,博士,硕士生导师,从事中医方药理论与效用机制研究,E-mail:fangji2013@163.com
收稿日期:2021-07-28,
网络出版日期:2021-11-26,
纸质出版日期:2022-02-05
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徐爽,李然,刘立萍.丹栀逍遥散含药血清逆转乳腺癌MDA-MB-231细胞能量代谢重编程[J].中国实验方剂学杂志,2022,28(03):8-14.
XU Shuang,LI Ran,LIU Li-ping.Danzhi Xiaoyaosan-containing Serum Reverses Energy Metabolic Reprogramming of MDA-MB-231 Breast Cancer Cells[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(03):8-14.
徐爽,李然,刘立萍.丹栀逍遥散含药血清逆转乳腺癌MDA-MB-231细胞能量代谢重编程[J].中国实验方剂学杂志,2022,28(03):8-14. DOI: 10.13422/j.cnki.syfjx.20220321.
XU Shuang,LI Ran,LIU Li-ping.Danzhi Xiaoyaosan-containing Serum Reverses Energy Metabolic Reprogramming of MDA-MB-231 Breast Cancer Cells[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(03):8-14. DOI: 10.13422/j.cnki.syfjx.20220321.
目的
2
观察丹栀逍遥散含药血清对乳腺癌MDA-MB-231细胞的影响,探讨其作用机制是否与干预能量代谢相关。
方法
2
6周龄SD雄性大鼠30只,随机分为空白组、丹栀逍遥散水煎剂组(8.99 g·kg
-1
)、西黄丸组(0.55 g·kg
-1
),药物干预7 d,分离血清。噻唑蓝(MTT)比色法检测细胞活力,流式细胞术检测细胞周期,Annenxin V/碘化丙啶(PI)双染色法检测细胞凋亡,葡萄糖含量检测试剂盒检测细胞内葡萄糖含量,免疫荧光染色法检测细胞葡萄糖转运蛋白1(GLUT1)表达情况,Seahorse XFe细胞能量代谢分析仪检测细胞胞外酸化率(ECAR)和耗氧率(OCR),蛋白免疫印迹法(Western blot)检测细胞已激糖酶2(HK2),丙酮酸激酶M2型(PKM2),乳酸脱氢酶A(LDHA)表达。
结果
2
与空白组比较,丹栀逍遥散水煎剂含药血清可抑制MDA-MB-231细胞增殖,15%含药血清干预48 h效果最佳(
P
<
0.01)。与空白组比较,丹栀逍遥散水煎剂组细胞DNA暂停分裂期/DNA合成前期(G
0
/G
1
期)上调(
P
<
0.01),DNA合成期(S期),DNA合成后期/细胞分裂期(G
2
/M期)下调(
P
<
0.01);降低MDA-MB-231细胞GLUT1表达;降低MDA-MB-231细胞的基础糖酵解,糖酵解能力值,糖酵解储备值,基础呼吸值,腺苷三磷酸(ATP)产量,储备呼吸值(
P
<
0.01);下调MDA-MB-231细胞HK2,PKM2,LDHA蛋白表达(
P
<
0.05,
P
<
0.01)。
结论
2
丹栀逍遥散含药血清能够抑制乳腺癌MDA-MB-231细胞增殖、促进细胞凋亡、使细胞周期阻滞,其作用机制可能与其逆转乳腺癌MDA-MB-231细胞能量代谢重编程有关。
Objective
2
To observe the effect of Danzhi Xiaoyaosan-containing serum on MDA-MB-231 breast cancer cells, and to find out whether the action mechanism is related to its intervention in energy metabolism.
Method
2
Thirty six-week-old male SD rats were randomly divided into the blank group, Danzhi Xiaoyaosan (8.99 g·kg
-1
) group, and Xihuangwan (0.55 g·kg
-1
) group. The serum was isolated after drug intervention for seven days. The cell viability was detected by methyl thiazolyl-tetrazolium (MTT) assay, the cell cycle by flow cytometry, and the apoptosis by Annenxin V/propidium iodide (PI) double staining. Following the determination of intracellular glucose content using the glucose testing kit, the expression of glucose transporter 1 (GLUT1) was measured by immunofluorescence staining. Seahorse XFe cell energy metabolism analyzer was used to detect the extracellular acidification rate (ECAR) and oxygen consumption rate (OCR). The expression levels of hexokinase 2 (HK2), pyruvate kinase M2 (PKM2), and lactate dehydrogenase A (LDHA) were assayed by Western blot.
Result
2
Compared with the blank group, Danzhi Xiaoyaosan-containing serum inhibited the proliferation of MDA-MB-231 cells, with the best effect observed after intervention with 15% Danzhi Xiaoyaosan-containing serum for 48 h (
P
<
0.01), blocked the MDA-MB-231 cells in G
0
/G
1
phase(
P
<
0.01), and down-regulated the GLUT1 expression, basal glycolysis, glycolysis capacity, glycolytic reserve, basal respiration, adenosine triphosphate (ATP) production, spare respiratory capacity(
P
<
0.01), as well as the protein expression of HK2, PKM2, and LDHA in MDA-MB-231 cells(
P
<
0.05,
P
<
0.01).
Conclusion
2
Danzhi Xiaoyaosan-containing serum inhibits MDA-MB-231 cell proliferation, promotes apoptosis, and induces cell cycle arrest, which may be related to its reversal of energy metabolic reprogramming in MDA-MB-231 cells.
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