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Network pharmacology-guided mechanism study uncovers inhibitory effect of Mahuang Decoction on lung cancer growth by impeding Akt/ERK signaling pathways.

ABSTRACT: Lung cancer (LC) ranks the leading cause of cancer-related death worldwide, due partially to the unsatisfactory therapeutic effect of the mainstream treatment. Alternatively, Chinese herb medicine (CHM) offers a bright perspective for treating complex diseases. Mahuang Decoction (MHD), a classic CHM formula, has been widely used in treating respiratory diseases in China for centuries, but its action mechanism has yet to be fully investigated. In this study, we first systemically explore the action mechanism of MHD by using network pharmacology and bioinformatic analysis tools, which uncovered a potential "new use of old drug" for MHD in cancer treatment. The therapeutic effect of MHD on LC was then validated by oral administration of MHD in the immunodeficient mice bearing xenografted LC tumors. To better understand the pharmacological activity of MHD against LC, we next constructed a drug/disease-target PPI network composed of 252 putative core therapeutic targets of MHD using Cytoscape. The subsequent enrichment analysis for these targets suggested that MHD could affect the apoptosis and cell cycle of LC cells via impeding Akt/ERK signaling pathways. Notably, these in silico analysis results were further validated by a series of cellular functional and molecular biological assays. Thus, our results show that MHD holds a great potential in LC treatment.

SUBMITTER: Pan Y

PROVIDER: S-EPMC8129243 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundColon cancer (CC) ranks the second highest mortality rate among malignant tumors worldwide, and the current mainstream treatment regimens are not very effective. The unique efficacy of Chinese herb medicine (CHM) for cancer has recently attracted increasing attention. Cinnamomi Ramulus (CR), as a classic CHM, has been widely used in the treatment of a variety of diseases for hundreds of years in China, but its specific pharmacological mechanism against CC needs to be fully evaluated.MethodsTCMSP and China National Knowledge Infrastructure database were utilized to predict the candidate ingredients of CR, and TCMSP and SwissTargetPrediction database were also employed to predict the drug targets of the candidate ingredients from CR. We subsequently evaluated the therapeutic effect of CR by orally administrating it on CC-bearing mice. Next, we further identified the potential CC-related targets by using Gene Expression Omnibus (GEO) database. Based on these obtained targets, the drug/disease-target PPI networks were constructed using Bisogenet plugin of Cytoscape. The potential core therapeutic targets were then identified through topological analysis using CytoNCA plugin. GO and KEGG enrichment analyses were performed to predict the underlying mechanism of CR against CC. Furthermore, these in silico analysis results were validated by a series of cellular functional and molecular biological assays. UPLC-MS/MS method and molecular docking analysis were employed to identify the potential key components from CR.ResultsIn this study, we firstly found that CR has potential therapeutic effect on cancer. Then, oral administration of CR could inhibit the growth of CC cells in C57BL/6 mice, while inhibiting the viability and motility of CC cells in vitro. We obtained 111 putative core therapeutic targets of CR. Subsequent enrichment analysis on these targets showed that CR could induce apoptosis and cell cycle arrest in CC cells by blocking Akt/ERK signaling pathways, which was further experimentally verified. We identified 5 key components from the crude extract of CR, among which taxifolin was found most likely to be the key active component against CC.ConclusionsOur results show that CR as well as its active component taxifolin holds great potential in treatment of CC.

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Network pharmacology-guided mechanism study uncovers inhibitory effect of Mahuang Decoction on lung cancer growth by impeding Akt/ERK signaling pathways.

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