Exploring the mechanism of angelica sinensis in treating mild cognitive impairment based on network pharmacology and molecular docking technology
Objective Exploring the key action targets of angelica sinensis for the treatment of mild cognitive dysfunction based on network pharmacology and molecular docking technology.Methods TCMSPW,SwisstaTrgetPrediction,UniProt,and other databases were used to retrieve the active ingredients of angelica sinensis,and the corresponding targets were obtained;the relevant targets of mild cognitive impairment were further retrieved through the databases DisGeNET,GeneCards,and venny2.1.0 platform was used to take the intersection between the targets of angelica sinensis and mild cognitive impairment,and a Venn diagram was constructed.Cytoscape3.9.1 software was used to establish a visual protein interaction network(PPI),GO enrichment analysis and KEGG pathway and gene functional enrichment analysis and network visualization were performed using David database and microson signal website,and finally molecular docking validation was performed by autodock Tools.Results There were 44 common genes of angelica sinensis key genes including NPC1L1,NR1H3,RORC,ESR1,ESR2,SHBG,and 3 190 key genes for MCI including APOE,SPG11,PAH,MAPT,SCN8A,APP and so on.After taking the intersection,there were 25 intersection sets between angelica sinensis and MCI related genes,including ESR1,ESR2,SHBG,HMGCR,CYP19A1,AR,CYP17A1 and so on,among which the key targets displayed by PPI were ranked by MCC values,and the top 10 in order were CYP19A1,CYP17A1,ESR1,SHBG,AR,NR3C1,ESR2,HSD11B1,PPARG,PPARA.The GO analysis suggested the involvement of several biological processes,including intracellular steroid hormone receptor signaling pathway,positive regulation of RNA polymeraseⅡpromoter transcription,negative regulation of cholesterol storage,negative regulation of RNA polymerase II promoter transcription,intracellular estrogen receptor signaling pathway,triglyceride homeostasis,cholesterol biosynthetic process,mRNA transcription from RNA polymeraseⅡpromoter,which were further analyzed by KEGG,setting P＜0.05 as the screening condition,six pathways were obtained,including chemical carcinogen receptor activation,steroid hormone biosynthesis,prolactin signaling,PPAR signaling,insulin resistance and cancer pathways.Finally,molecular docking showed that the docking scores between core components and targets were all＜-0.5,indicating a good docking activity.Conclusion Angelica sinensis in the treatment of mild cognitive dysfunction can act through active ingredients such as stigmasterol and β-sitosterol,involving targets such as CYP19A1,CYP17A1,and ESR1 and signaling pathways such as steroid hormone biosynthesis,prolactin signaling,PPAR signaling and insulin resistance.It has been preliminarily clarified that angelica sinensis has curative effects on MCI.
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