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We used network pharmacology and molecular docking to investigate the molecular mechanism of Lishi-Kuijie decoction (KJF) in the treatment of ulcerative colitis (UC). Chemical components and targets related to the 13 herbs of Chinese Materia Medical in KJF were searched through the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP). The UC-related targets were identified through OMIM, DisGeNet and GeneCards databases. Using Cytoscape 3.7.2 software a drug-compound-disease-target network was established. The target interaction network and core target for KJF against UC was built and selected based on the String database and topological parameters. Using the R package clusterprofile in Bioconductor, the intersection genes and the disease-drug intersection targets were transformed to Entrez gene ID, followed by gene ontology biological process enrichment analysis and KEGG pathway annotation analysis. The KJF compound-UC target network contained 149 compounds, 108 corresponding targets and 12 core targets (including signal transducer and activator of transcription 3, interleukin 6, tumor necrosis factor, c-x-c motif chemokine ligand 8, interleukin 2, etc.). We identified 2 371 GO terms and 155 pathways (mainly involving IBD, PI3K-ATK, NF-kappa B, TNF, Toll-like receptor signaling pathway) as determined by enrichment analysis. Molecular docking, used with the key molecular factors and the core targets, revealed stable binding for IL2, TNF-α, MAPK1 and RELA. These results suggest the possible molecular mechanism of KJF in treatment of UC and lay the foundation for further characterization of the components and their mechanisms.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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