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1.南阳市中心医院,河南 南阳 473000
2.荆州市第二人民医院消化内科,湖北 荆州 434000
3.南阳市中心医院呼吸内科,河南 南阳 473000
4.广西中医药大学附属瑞康医院消化内科,南宁 530011
Received:01 April 2023,
Revised:2023-08-15,
Accepted:17 August 2023,
Published:15 October 2023
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尹硕鑫,敖先伟,李博,等.清热化湿方通过上调miRNA-155抑制Wnt/β-catenin信号通路治疗胃癌的作用机制研究[J].中国药房,2023,34(19):2339-2343.
YIN Shuoxin,AO Xianwei,LI Bo,et al.Mechanism study of Qingre huashi decoction in the treatment of gastric cancer by up-regulating miRNA-155 and inhibiting Wnt/β-catenin signaling pathway[J].ZHONGGUO YAOFANG,2023,34(19):2339-2343.
尹硕鑫,敖先伟,李博,等.清热化湿方通过上调miRNA-155抑制Wnt/β-catenin信号通路治疗胃癌的作用机制研究[J].中国药房,2023,34(19):2339-2343. DOI: 10.6039/j.issn.1001-0408.2023.19.07.
YIN Shuoxin,AO Xianwei,LI Bo,et al.Mechanism study of Qingre huashi decoction in the treatment of gastric cancer by up-regulating miRNA-155 and inhibiting Wnt/β-catenin signaling pathway[J].ZHONGGUO YAOFANG,2023,34(19):2339-2343. DOI: 10.6039/j.issn.1001-0408.2023.19.07.
目的
2
研究清热化湿方干预miRNA-155抑制Wnt/
β
-catenin信号通路治疗胃癌的作用机制。
方法
2
将30只裸鼠随机分为模型组、对照组(0.004 g/kg顺铂+0.02 g/kg氟尿嘧啶)、过表达组和清热化湿方低、中、高剂量组(2.71、5.43、10.86 g/kg),每组5只。过表达组接种过表达miRNA-155 AGS细胞,其余各组均接种AGS细胞,以复制胃癌荷瘤模型。对照组腹腔注射相应药物,其余各组灌胃相应药物或生理盐水,每天1次,连续3周。测定各组裸鼠的肿瘤组织质量,观察肿瘤组织的病理学形态,检测肿瘤组织中miRNA-155以及Wnt7、
β
-catenin、T细胞因子4(TCF-4)蛋白和mRNA表达水平。
结果
2
与模型组比较,对照组、过表达组及清热化湿方高剂量组裸鼠肿瘤组织质量均显著降低(
P
<0.05);Wnt7、
β
-catenin、TCF-4 mRNA和蛋白表达水平均显著降低(
P
<0.05),miRNA-155表达水平均显著升高(
P
<0.05);肿瘤细胞均出现不同程度的排列疏松,核染色较浅,出现坏死灶。
结论
2
清热化湿方可通过上调miRNA-155,抑制Wnt/
β
-catenin信号通路中Wnt7、
β
-catenin、TCF-4 mRNA和蛋白的表达,进而抑制胃癌荷瘤模型裸鼠的瘤体生长。
OBJECTIVE
2
To study the mechanism of Qingre huashi decoction in the treatment of gastric cancer by intervening in miRNA-155 and inhibiting Wnt/
β
-catenin signaling pathway.
METHODS
2
Thirty nude mice were randomly divided into model group, control group (0.004 g/kg cisplatin+0.02 g/kg fluorouracil), overexpression group, Qingre huashi prescription low-dose, medium-dose and high-dose groups (2.71, 5.43, 10.86 g/kg), with 5 mice in each group. The overexpression group was inoculated with miRNA-155 AGS cell line, and the other groups were inoculated with AGS cells to induce tumor-bearing gastric cancer model. The control group was given relevant medicine intraperitoneally, and other groups were given relevant medicine or normal saline intragastrically, once a day, for 3 consecutive weeks. The weight of tumor tissue in nude
mice was determined; the pathological morphology of tumor tissue was observed; the miRNA-155 expression, mRNA and protein expressions of Wnt7,
β
-catenin and T-cell factor-4(TCF-4) in tumor tissue were detected.
RESULTS
2
Compared with the model group, the tumor weights of nude mice in the control group, the overexpression group and Qingre huashi decoction high-dose group were significantly reduced (
P
<0.05); mRNA and protein expressions of Wnt7,
β
-catenin and TCF-4 were significantly decreased (
P
<0.05), while miRNA-155 expression was increased significantly (
P
<0.05). Tumor cells exhibited varying degrees of loose arrangement, shallow nuclear staining, and necrotic foci.
CONCLUSIONS
2
Qingre huashi decoction can inhibit the protein and mRNA expressions of Wnt7,
β
-catenin and TCF-4 in Wnt/
β
-catenin signaling pathway by up-regulating miRNA-155, thus inhibiting the tumor growth of tumor-bearing nude mice.
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