Chinese Journal of Tissue Engineering Research ›› 2021, Vol. 25 ›› Issue (21): 3360-3367.doi: 10.3969/j.issn.2095-4344.3870

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Effect and molecular mechanism of Honeysuckle-Rhizoma coptidis in the treatment of periprosthetic joint infection based on molecular docking and network pharmacology

Zhang Haitao1, Chen Jinlun2, Zhu Xingyang1, Zeng Huiliang3, Li Jie2, Sun Xiaobo1, Qi Xinyu2, Zeng Jianchun2, Zeng Yirong2   

  1. 1First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China; 2First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China; 3Foshan Traditional Chinese Medicine Hospital, Foshan 528000, Guangdong Province, China
  • Received:2020-07-14 Revised:2020-07-16 Accepted:2020-09-11 Online:2021-07-28 Published:2021-01-23
  • Contact: Zeng Yirong, MD, Chief physician, Doctoral supervisor, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China
  • About author:Zhang Haitao, Master candidate, First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong Province, China

Abstract: BACKGROUND: Studies have shown that various monomers of Honeysuckle and Rhizoma coptidis are effective in the treatment of periprosthetic joint infections. There are many studies on the individual effects of Honeysuckle and Rhizoma coptidis, but the common pharmacological mechanism of Honeysuckle and Rhizoma coptidis is rarely reported.
OBJECTIVE: To explore the potential effective components, targets and action mechanisms of Honeysuckle-Rhizoma coptidis in the treatment of periprosthetic joint infection based on molecular docking network pharmacology. 
METHODS: The effective components and target genes of Honeysuckle and Rhizoma coptidis were screened by traditional Chinese medicine system pharmacology database and analysis platform. The GeneCards and On-line Mendelian Inheritance in Man were used to obtain the targets for periprosthetic joint infection. The intersection of the two was taken to obtain the Honeysuckle, Rhizoma coptidis-periprosthetic joint infection disease intersection target. The protein-protein interaction (PPI) network was constructed through the STRING database, and the “CytoNCA” plug-in in Cytoscape 3.7.2 software was used for topology analysis and core target screening of the PPI network. Afterwards, through Cytoscape 3.7.2 software, the network of “traditional Chinese medicine - active component -intersection target-disease”, “active component -intersection target” and “pathway -enrichment gene” was constructed. DAVID was used to analyze the Gene Ontology (GO) function of the intersection target and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment. The affinity between the active components and the target was verified by molecular docking. 
RESULTS AND CONCLUSION: (1) Through data screening, 14 effective components and 183 corresponding targets of Honeysuckle, 9 effective components of Rhizoma coptidis and 158 corresponding targets were obtained for periprosthetic joint infection. (2) In addition, 286 genes related to periprosthetic joint infection and 37 genes related to drug and disease were obtained. 17 core genes (such as interleukin 6) were screened by PPI network. (3) GO function enrichment showed that there were 59 biological functions of Honeysuckle-Rhizoma coptidis in the treatment of periprosthetic infection, including 44 biological processes, 6 cellular components and 9 molecular functions. (4) A total of 17 signal pathways were screened by enrichment of KEGG pathway. (5) The results of molecular docking showed that quercetin, luteolin, and kaempferol had good affinity with interleukin 6, matrix metalloproteinase 9 and interleukin 1β. (6) Results verified that Honeysuckle-Rhizoma coptidis is characterized by multiple effective compounds (such as quercetin and luteolin), multiple action pathways (such as Chagas disease and Toll-like receptor signaling pathway) and multiple target genes (such as prostaglandin-endoperoxide synthase 2 and interleukin 6) in the treatment of periprosthetic infection. These compounds, target genes and pathways can coordinate the therapeutic effect of drugs. In addition, quercetin was also found as a potential active ingredient, which provides a new direction and new idea for further research.

Key words: joint, traditional Chinese medicine, prosthesis, Honeysuckle, Rhizoma coptidis, infection, network pharmacology, molecular docking, signal pathway, gene

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