Zuojin Pill Alleviates Precancerous Lesions of Gastric Cancer by Modulating the MEK/ERK/c-Myc Pathway: An Integrated Approach of Network Pharmacology, Molecular Dynamics Simulation, and Experimental Validation.
Lan Liang, Chenming He, Xue Han, Jia Liu, Liuhong Yang, Fengjiao Chang, Yami Zhang, Jie Lin
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引用次数: 0
Abstract
Background: Precancerous lesions of gastric cancer (PLGC) represent critical stages in gastric cancer progression, with a high risk of malignancy. Current treatments, such as Helicobacter pylori eradication, show limited efficacy in reversing precancerous molecular changes. Zuojin Pill (ZJP), a traditional Chinese medicine, has demonstrated potential for treating digestive disorders and may offer a promising approach for PLGC intervention.
Objective: This study aims to investigate the therapeutic effects and mechanisms of ZJP in treating PLGC, focusing on its active components, target pathways, and molecular interactions. By using advanced analytical techniques, we provide a scientific foundation for ZJP's potential application in early gastric cancer intervention.
Methods: Using ultra-high performance liquid chromatography-quadrupole orbitrap high-resolution mass spectrometry (UPLC-Q-Orbitrap HRMS), we identified active components in ZJP. A network pharmacology approach was then applied to construct a "ZJP-compound-target-disease" network. Molecular docking and molecular dynamics simulations were conducted to analyze the stability and interactions of the main active components of ZJP with core protein targets in PLGC. Animal experiments were used to validate significant targets and pathways in vivo.
Results: Tangeritin, Isorhamnetin, Caffeic Acid, Azelaic Acid, and Adenosine were identified as the main active components of ZJP in the treatment of PLGC, with key targets including PIK3R1, MAPK3, SRC, JAK2, STAT3, and PIK3CA. Molecular docking and molecular dynamics simulations further confirmed the relationship between compounds and target proteins. The potential molecular mechanism of ZJP predicted by network pharmacology analysis was confirmed in PLGC rats. ZJP downregulated IL-6, TNF-α, c-myc, p-MEK1 and p-ERK1/2, effectively reversing the progression of PLGC.
Conclusion: ZJP can reverse MNNG-induced PLGC, potentially through inhibition of the MEK/ERK/c-myc pathway and regulation of cellular proliferation and apoptosis.
期刊介绍：
Drug Design, Development and Therapy is an international, peer-reviewed, open access journal that spans the spectrum of drug design, discovery and development through to clinical applications.
The journal is characterized by the rapid reporting of high-quality original research, reviews, expert opinions, commentary and clinical studies in all therapeutic areas.
Specific topics covered by the journal include:
Drug target identification and validation
Phenotypic screening and target deconvolution
Biochemical analyses of drug targets and their pathways
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Isolation, structural characterization, (bio)synthesis, bioengineering and pharmacological evaluation of natural products**
Distribution, pharmacokinetics and metabolic transformations of drugs or biologically active compounds in drug development
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Preclinical development studies
Translational animal models
Mechanisms of action and signalling pathways
Toxicology
Gene therapy, cell therapy and immunotherapy
Personalized medicine and pharmacogenomics
Clinical drug evaluation
Patient safety and sustained use of medicines.
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