Mechanism of action of Dange Jiecheng decoction in a rat model of alcoholic liver disease based on the Kelch-like ECH-associated protein 1/nuclear factor erythroid 2-related factor 2 signaling pathway

Ming WANG; Jianhu XU; Li MA

doi:10.3969/j.issn.1001-5256.2023.05.018

Volume 39 Issue 5

May 2023

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Article Navigation > Journal of Clinical Hepatology > 2023 > 39(5): 1119-1125

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Mechanism of action of Dange Jiecheng decoction in a rat model of alcoholic liver disease based on the Kelch-like ECH-associated protein 1/nuclear factor erythroid 2-related factor 2 signaling pathway

DOI: 10.3969/j.issn.1001-5256.2023.05.018

Ming WANG¹,
Jianhu XU^{1, 2},
Li MA^{1, 2
,
,
,}

1.
School of Traditional Chinese Medicine, Ningxia Medical University, Yinchuan 750004, China
2.
Key Laboratory of Ningxia Minority Medicine Modernization, Ministry of Education, Yinchuan 750004, China

Research funding:

Natural Science Foundation of Ningxia (2021AAC03146);

University Level Special Talents Start-up Project of Ningxia Medical University (XT2020027)

More Information

Corresponding author: MA Li, mali3549@163.com (ORCID: 0000-0002-6646-3438)
Received Date: 2022-09-25
Accepted Date: 2022-11-25
Published Date: 2023-05-20

Abstract

Abstract

Objective To investigate the therapeutic effect of Dange Jiecheng decoction on a rat model of alcoholic liver disease (ALD) and the anti-oxidative stress mechanism of Dange Jiecheng decoction. Methods A total of 96 Sprague-Dawley rats were randomly divided into blank group with 13 rats and ALD group with 83 rats, and the rats in the ALD group were given liquor by gavage to establish a model of ALD. Then the ALD group was randomly divided into model group, high-dose Dange Jiecheng decoction group (24 g/kg), low-dose Dange Jiecheng decoction group (6 g/kg), and Yiganling tablet group (21 mg/kg), with 17 rats in each group. The rats in the blank group and the model group were given normal saline by gavage, and those in the other groups were given corresponding drugs by gavage, for 4 consecutive weeks. HE staining was used to observe the pathological changes of liver tissue; Western blot was used to measure the contents of Kelch-like ECH-associated protein 1 (Keap1), nuclear factor erythroid 2-related factor 2 (Nrf2), and heme oxygenase-1 (HO-1) in liver tissue; quantitative real-time PCR was used to measure the mRNA expression levels of Keap1 and HO-1 in liver tissue. A one-way analysis of variance 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 blank group, the model group had disordered arrangement of hepatocytes with necrosis, massive inflammatory cell infiltration, and a large number of lipid droplet vacuoles, significant increases in the protein and mRNA expression levels of Keap1 (P < 0.05), and significant reductions in the protein expression levels of Nrf2 and HO-1 and the mRNA expression level of HO-1 (P < 0.05). Compared with the model group, the high- and low-dose Dange Jiecheng decoction groups and the Yiganling tablet group had ordered arrangement of hepatocytes, reductions in hepatocyte necrosis and inflammatory cells, and occasional lipid droplet vacuoles, as well as significant reductions in the protein and mRNA expression levels of Keap1 (P < 0.05) and significant increases in the protein expression levels of Nrf2 and HO-1 and the mRNA expression level of HO-1 (P < 0.05). Conclusion By regulating the Keap1/Nrf2 signaling pathway, Dange Jiecheng decoction can promote the nuclear import of Nrf2, upregulate the expression of HO-1, and alleviate oxidative stress response, thereby exerting a protective effect on ALD rats.
- Liver Diseases, Alcoholic,
- Kelch-Like ECH-Associated Protein 1,
- NF-E2-Related Factor 2,
- Dange Jiecheng Decoction,
- Rats, Sprague-Dawley

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References(23)

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Mechanism of action of Dange Jiecheng decoction in a rat model of alcoholic liver disease based on the Kelch-like ECH-associated protein 1/nuclear factor erythroid 2-related factor 2 signaling pathway

DOI: 10.3969/j.issn.1001-5256.2023.05.018

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